/* roulang page: index */
:root {
            --qmh-bg: #0A0C10;
            --qmh-surface: #14171E;
            --qmh-surface-2: #1A1F28;
            --qmh-primary: #C8FF00;
            --qmh-primary-dark: #A8D600;
            --qmh-accent: #DFE7EB;
            --qmh-danger: #FF3D2E;
            --qmh-text: #E8ECEF;
            --qmh-text-muted: #9BA3AF;
            --qmh-text-dim: #6B7280;
            --qmh-border: rgba(223, 231, 235, 0.08);
            --qmh-border-hover: rgba(200, 255, 0, 0.6);
            --qmh-radius: 6px;
            --qmh-radius-sm: 4px;
            --qmh-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
            --qmh-shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.55);
            --qmh-font-sans: 'Inter', 'SF Pro Display', 'HarmonyOS Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --qmh-font-mono: 'SF Mono', 'JetBrains Mono', 'Roboto Mono', 'Consolas', monospace;
            --qmh-transition: all .25s cubic-bezier(0.4, 0, 0.2, 1);
            --qmh-section-pad: 88px 0;
            --qmh-section-pad-mobile: 44px 0;
            --qmh-gap: 24px;
            --qmh-nav-height: 68px;
            --qmh-bottom-cta-height: 64px;
            --qmh-bottom-tab-height: 58px;
        }

        * {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--qmh-font-sans);
            background-color: var(--qmh-bg);
            color: var(--qmh-text);
            line-height: 1.75;
            font-size: 15px;
            overflow-x: hidden;
            padding-bottom: var(--qmh-bottom-cta-height);
        }

        @media (max-width: 768px) {
            body {
                padding-bottom: calc(var(--qmh-bottom-cta-height) + var(--qmh-bottom-tab-height));
                font-size: 14px;
            }
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--qmh-accent);
            text-decoration: none;
            transition: var(--qmh-transition);
        }
        a:hover,
        a:focus {
            color: var(--qmh-primary);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--qmh-primary);
            outline-offset: 2px;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            color: var(--qmh-text);
            letter-spacing: -0.02em;
            line-height: 1.25;
        }

        .container-qmh {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        @media (min-width: 576px) {
            .container-qmh {
                padding-left: 28px;
                padding-right: 28px;
            }
        }
        @media (min-width: 1200px) {
            .container-qmh {
                padding-left: 36px;
                padding-right: 36px;
            }
        }

        .section-qmh {
            padding: var(--qmh-section-pad);
            position: relative;
        }
        @media (max-width: 768px) {
            .section-qmh {
                padding: var(--qmh-section-pad-mobile);
            }
        }

        .section-qmh--alt {
            background-color: #F4F6F8;
            color: #1A1F28;
        }
        .section-qmh--alt h2,
        .section-qmh--alt h3,
        .section-qmh--alt p {
            color: #1A1F28;
        }

        .section-label {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--qmh-primary);
            margin-bottom: 14px;
            position: relative;
            padding-left: 16px;
        }
        .section-label::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 6px;
            height: 6px;
            background: var(--qmh-primary);
            border-radius: 50%;
        }

        .section-qmh--alt .section-label {
            color: #1A1F28;
        }
        .section-qmh--alt .section-label::before {
            background: #1A1F28;
        }

        .section-title {
            font-size: 36px;
            font-weight: 800;
            letter-spacing: -0.03em;
            margin-bottom: 12px;
            font-variant-numeric: tabular-nums;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 26px;
            }
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--qmh-text-muted);
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: 40px;
        }
        .section-qmh--alt .section-subtitle {
            color: #5A6470;
        }

        /* ========== Top Navigation ========== */
        .qmh-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            height: var(--qmh-nav-height);
            background: rgba(10, 12, 16, 0.92);
            border-bottom: 1px solid rgba(223, 231, 235, 0.06);
            transition: background .35s ease, border-color .35s ease, box-shadow .35s ease;
        }
        .qmh-header.scrolled {
            background: rgba(10, 12, 16, 0.97);
            border-bottom-color: rgba(223, 231, 235, 0.1);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
        }

        .qmh-header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--qmh-nav-height);
            gap: 20px;
        }

        .qmh-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            text-decoration: none;
            color: var(--qmh-text);
            font-weight: 800;
            font-size: 20px;
            letter-spacing: -0.02em;
        }
        .qmh-logo:hover {
            color: var(--qmh-primary);
        }
        .qmh-logo-icon {
            width: 32px;
            height: 32px;
            background: var(--qmh-primary);
            border-radius: var(--qmh-radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            position: relative;
        }
        .qmh-logo-icon svg {
            width: 18px;
            height: 18px;
            fill: #0A0C10;
        }
        .qmh-logo-text {
            font-size: 19px;
            font-weight: 800;
            letter-spacing: -0.02em;
            white-space: nowrap;
        }

        .qmh-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
            justify-content: flex-end;
        }
        .qmh-nav-item {
            position: relative;
        }
        .qmh-nav-link {
            display: inline-block;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--qmh-text-muted);
            border-radius: var(--qmh-radius-sm);
            transition: var(--qmh-transition);
            white-space: nowrap;
            position: relative;
        }
        .qmh-nav-link:hover,
        .qmh-nav-link:focus {
            color: var(--qmh-text);
            background: rgba(223, 231, 235, 0.05);
        }
        .qmh-nav-link.active {
            color: var(--qmh-primary);
        }
        .qmh-nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 1px;
            background: var(--qmh-primary);
        }

        @media (max-width: 992px) {
            .qmh-header-inner {
                justify-content: space-between;
            }
            .qmh-nav {
                display: none;
            }
        }

        /* ========== Hero ========== */
        .qmh-hero {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding: calc(var(--qmh-nav-height) + 40px) 0 80px;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }
        .qmh-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(10, 12, 16, 0.85);
            z-index: 1;
        }
        .qmh-hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 120px;
            background: linear-gradient(to top, rgba(10, 12, 16, 1), rgba(10, 12, 16, 0));
            z-index: 2;
        }
        .qmh-hero-inner {
            position: relative;
            z-index: 3;
            display: flex;
            flex-direction: column;
            align-items: center;
            text-align: center;
            width: 100%;
        }

        .qmh-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(200, 255, 0, 0.08);
            border: 1px solid rgba(200, 255, 0, 0.25);
            color: var(--qmh-primary);
            padding: 6px 16px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.08em;
            margin-bottom: 28px;
            animation: fadeInUp .6s ease both;
        }
        .qmh-hero-badge-dot {
            width: 6px;
            height: 6px;
            background: var(--qmh-primary);
            border-radius: 50%;
            animation: pulse-dot 1.5s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: .4;
                transform: scale(1.4);
            }
        }

        .qmh-hero-title {
            font-size: 56px;
            font-weight: 900;
            letter-spacing: -0.04em;
            line-height: 1.1;
            margin-bottom: 20px;
            color: #fff;
            font-variant-numeric: tabular-nums;
            animation: fadeInUp .6s ease .1s both;
        }
        @media (max-width: 768px) {
            .qmh-hero-title {
                font-size: 34px;
            }
        }

        .qmh-hero-subtitle {
            font-size: 17px;
            color: var(--qmh-text-muted);
            max-width: 620px;
            line-height: 1.8;
            margin-bottom: 32px;
            animation: fadeInUp .6s ease .2s both;
        }
        @media (max-width: 768px) {
            .qmh-hero-subtitle {
                font-size: 15px;
            }
        }

        .qmh-hero-stage-wrapper {
            width: 100%;
            max-width: 720px;
            margin: 0 auto 36px;
            animation: fadeInUp .6s ease .3s both;
        }
        .qmh-hero-stage {
            background: rgba(20, 23, 30, 0.85);
            border: 1px solid var(--qmh-border);
            border-radius: var(--qmh-radius);
            padding: 28px 32px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            backdrop-filter: none;
        }
        @media (max-width: 768px) {
            .qmh-hero-stage {
                flex-direction: column;
                padding: 20px;
                gap: 12px;
            }
        }
        .qmh-hero-stage-item {
            text-align: center;
            flex: 1;
        }
        .qmh-hero-stage-num {
            font-size: 28px;
            font-weight: 800;
            font-variant-numeric: tabular-nums;
            color: var(--qmh-primary);
            letter-spacing: -0.02em;
            display: block;
            line-height: 1.2;
        }
        .qmh-hero-stage-label {
            font-size: 11px;
            color: var(--qmh-text-muted);
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-top: 4px;
        }
        .qmh-hero-stage-divider {
            width: 1px;
            height: 40px;
            background: rgba(223, 231, 235, 0.15);
            flex-shrink: 0;
        }
        @media (max-width: 768px) {
            .qmh-hero-stage-divider {
                width: 80%;
                height: 1px;
            }
        }

        .qmh-hero-ctas {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            justify-content: center;
            animation: fadeInUp .6s ease .4s both;
        }
        .btn-qmh {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--qmh-radius);
            border: none;
            cursor: pointer;
            transition: var(--qmh-transition);
            letter-spacing: 0.02em;
            text-decoration: none;
            white-space: nowrap;
        }
        .btn-qmh:hover {
            text-decoration: none;
            transform: translateY(-2px);
        }
        .btn-qmh:active {
            transform: translateY(0);
        }
        .btn-qmh--primary {
            background: var(--qmh-primary);
            color: #0A0C10;
        }
        .btn-qmh--primary:hover {
            background: var(--qmh-primary-dark);
            color: #0A0C10;
        }
        .btn-qmh--ghost {
            background: transparent;
            color: var(--qmh-accent);
            border: 1px solid rgba(223, 231, 235, 0.3);
        }
        .btn-qmh--ghost:hover {
            border-color: var(--qmh-primary);
            color: var(--qmh-primary);
            background: rgba(200, 255, 0, 0.05);
        }

        /* ========== Feature Trio ========== */
        .qmh-feature-trio {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--qmh-gap);
        }
        @media (max-width: 992px) {
            .qmh-feature-trio {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .qmh-feature-trio {
                grid-template-columns: 1fr;
            }
        }

        .qmh-feature-card {
            background: var(--qmh-surface);
            border: 1px solid var(--qmh-border);
            border-radius: var(--qmh-radius);
            padding: 28px 24px;
            transition: var(--qmh-transition);
            display: flex;
            flex-direction: column;
            min-height: 100%;
        }
        .qmh-feature-card:hover {
            border-color: var(--qmh-border-hover);
            transform: translateY(-4px);
            box-shadow: var(--qmh-shadow);
        }
        .qmh-feature-card-icon {
            width: 44px;
            height: 44px;
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: var(--qmh-radius-sm);
            background: rgba(200, 255, 0, 0.06);
            border: 1px solid rgba(200, 255, 0, 0.15);
        }
        .qmh-feature-card-icon svg {
            width: 22px;
            height: 22px;
            stroke: var(--qmh-primary);
            stroke-width: 1.5;
            fill: none;
        }
        .qmh-feature-card h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }
        .qmh-feature-card p {
            font-size: 13.5px;
            color: var(--qmh-text-muted);
            line-height: 1.7;
            margin-bottom: 0;
            flex-grow: 1;
        }

        .qmh-mini-table {
            width: 100%;
            border-collapse: collapse;
            margin-top: 8px;
        }
        .qmh-mini-table th,
        .qmh-mini-table td {
            padding: 6px 8px;
            font-size: 12px;
            text-align: left;
            border-bottom: 1px solid rgba(223, 231, 235, 0.06);
            font-variant-numeric: tabular-nums;
        }
        .qmh-mini-table th {
            color: var(--qmh-text-muted);
            font-weight: 500;
            font-size: 11px;
            letter-spacing: 0.04em;
            text-transform: uppercase;
        }
        .qmh-mini-table td {
            color: var(--qmh-text);
        }
        .qmh-mini-table .up {
            color: var(--qmh-primary);
            font-weight: 600;
        }
        .qmh-mini-table .down {
            color: var(--qmh-danger);
            font-weight: 600;
        }

        /* ========== Depth Blocks ========== */
        .qmh-depth-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        @media (max-width: 992px) {
            .qmh-depth-block {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }
        .qmh-depth-block--reverse {
            direction: ltr;
        }
        .qmh-depth-image {
            border-radius: var(--qmh-radius);
            overflow: hidden;
            border: 1px solid var(--qmh-border);
            position: relative;
        }
        .qmh-depth-image img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }
        .qmh-depth-image::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(10, 12, 16, 0.45), transparent 60%);
            pointer-events: none;
        }
        .qmh-depth-content h3 {
            font-size: 28px;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
        }
        .qmh-depth-content p {
            color: var(--qmh-text-muted);
            font-size: 14.5px;
            line-height: 1.85;
            margin-bottom: 16px;
        }
        .qmh-data-reading-card {
            background: var(--qmh-surface-2);
            border: 1px solid var(--qmh-border);
            border-radius: var(--qmh-radius-sm);
            padding: 16px 20px;
            margin: 16px 0;
            display: flex;
            align-items: center;
            gap: 14px;
            font-size: 13.5px;
        }
        .qmh-data-reading-card strong {
            color: var(--qmh-primary);
            font-variant-numeric: tabular-nums;
            font-size: 20px;
            font-weight: 800;
        }
        .qmh-data-reading-card span {
            color: var(--qmh-text-muted);
            font-size: 12.5px;
        }

        /* ========== News Section ========== */
        .qmh-news-grid {
            display: grid;
            grid-template-columns: 8fr 4fr;
            gap: 28px;
        }
        @media (max-width: 992px) {
            .qmh-news-grid {
                grid-template-columns: 1fr;
            }
        }
        .qmh-news-main {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
        }
        @media (max-width: 768px) {
            .qmh-news-main {
                grid-template-columns: 1fr;
            }
        }
        .qmh-news-card {
            background: var(--qmh-surface);
            border: 1px solid var(--qmh-border);
            border-radius: var(--qmh-radius);
            overflow: hidden;
            transition: var(--qmh-transition);
            cursor: pointer;
        }
        .qmh-news-card:hover {
            border-color: var(--qmh-border-hover);
            transform: translateY(-3px);
            box-shadow: var(--qmh-shadow);
        }
        .qmh-news-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .qmh-news-card-body {
            padding: 20px 22px;
        }
        .qmh-news-date {
            font-size: 11px;
            color: var(--qmh-text-dim);
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 8px;
        }
        .qmh-news-title {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.45;
        }
        .qmh-news-title a {
            color: var(--qmh-text);
        }
        .qmh-news-title a:hover {
            color: var(--qmh-primary);
        }
        .qmh-news-summary {
            font-size: 12.5px;
            color: var(--qmh-text-muted);
            line-height: 1.65;
            margin-bottom: 12px;
        }
        .qmh-read-more {
            font-size: 12.5px;
            font-weight: 600;
            color: var(--qmh-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: var(--qmh-transition);
        }
        .qmh-read-more:hover {
            gap: 8px;
        }
        .qmh-news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 0;
            border-left: 1px solid var(--qmh-border);
            padding-left: 20px;
        }
        @media (max-width: 992px) {
            .qmh-news-sidebar {
                border-left: none;
                padding-left: 0;
                border-top: 1px solid var(--qmh-border);
                padding-top: 20px;
            }
        }
        .qmh-news-list-item {
            display: flex;
            gap: 14px;
            padding: 12px 0;
            border-bottom: 1px solid rgba(223, 231, 235, 0.04);
            transition: var(--qmh-transition);
        }
        .qmh-news-list-item:hover {
            padding-left: 4px;
        }
        .qmh-news-dot {
            width: 6px;
            height: 6px;
            background: var(--qmh-primary);
            border-radius: 50%;
            flex-shrink: 0;
            margin-top: 8px;
        }
        .qmh-news-list-content {
            flex: 1;
        }
        .qmh-news-list-date {
            font-size: 10.5px;
            color: var(--qmh-text-dim);
            margin-bottom: 2px;
        }
        .qmh-news-list-title {
            font-size: 13.5px;
            font-weight: 600;
            color: var(--qmh-text);
            line-height: 1.5;
            cursor: pointer;
            transition: var(--qmh-transition);
        }
        .qmh-news-list-title:hover {
            color: var(--qmh-primary);
        }

        /* ========== About Section ========== */
        .qmh-about-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: start;
        }
        @media (max-width: 768px) {
            .qmh-about-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        .qmh-about-text {
            font-size: 15px;
            line-height: 1.9;
            color: #3A4350;
            margin-bottom: 16px;
        }
        .qmh-about-highlight {
            border-left: 3px solid var(--qmh-primary);
            padding-left: 16px;
            font-weight: 600;
            color: #1A1F28;
            font-size: 16px;
            line-height: 1.7;
            margin: 20px 0;
        }

        /* ========== Social Proof ========== */
        .qmh-marquee-wrap {
            overflow: hidden;
            position: relative;
            padding: 16px 0;
            border-top: 1px solid rgba(223, 231, 235, 0.06);
            border-bottom: 1px solid rgba(223, 231, 235, 0.06);
        }
        .qmh-marquee {
            display: flex;
            gap: 36px;
            animation: marquee-scroll 40s linear infinite;
            width: max-content;
        }
        @keyframes marquee-scroll {
            0% {
                transform: translateX(0);
            }
            100% {
                transform: translateX(-50%);
            }
        }
        .qmh-marquee-item {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 13px;
            color: var(--qmh-text-muted);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .qmh-marquee-item strong {
            color: var(--qmh-primary);
            font-weight: 600;
            font-variant-numeric: tabular-nums;
        }
        .qmh-marquee-sep {
            width: 4px;
            height: 4px;
            background: var(--qmh-text-dim);
            border-radius: 50%;
            flex-shrink: 0;
        }

        /* ========== Bottom Fixed CTA ========== */
        .qmh-bottom-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1030;
            height: var(--qmh-bottom-cta-height);
            background: rgba(20, 23, 30, 0.96);
            border-top: 1px solid rgba(200, 255, 0, 0.2);
            display: flex;
            align-items: center;
            padding: 0 20px;
            transition: var(--qmh-transition);
        }
        @media (max-width: 768px) {
            .qmh-bottom-cta {
                bottom: var(--qmh-bottom-tab-height);
                height: var(--qmh-bottom-cta-height);
                padding: 0 12px;
            }
        }
        .qmh-bottom-cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            max-width: 900px;
            margin: 0 auto;
        }
        .qmh-bottom-cta-text {
            font-size: 13px;
            color: var(--qmh-text-muted);
            flex-shrink: 0;
        }
        .qmh-bottom-cta-text strong {
            color: var(--qmh-primary);
            white-space: nowrap;
        }
        .qmh-bottom-cta-form {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
            max-width: 440px;
        }
        .qmh-input {
            background: var(--qmh-bg);
            border: none;
            border-bottom: 1px solid #2A2E33;
            color: var(--qmh-text);
            padding: 8px 4px;
            font-size: 13.5px;
            flex: 1;
            border-radius: 0;
            transition: var(--qmh-transition);
        }
        .qmh-input::placeholder {
            color: var(--qmh-text-dim);
        }
        .qmh-input:focus {
            outline: none;
            border-bottom-color: var(--qmh-primary);
            box-shadow: none;
        }
        .btn-qmh--subscribe {
            padding: 8px 20px;
            font-size: 13px;
            background: var(--qmh-primary);
            color: #0A0C10;
            border: none;
            border-radius: var(--qmh-radius-sm);
            font-weight: 600;
            cursor: pointer;
            transition: var(--qmh-transition);
            white-space: nowrap;
        }
        .btn-qmh--subscribe:hover {
            background: var(--qmh-primary-dark);
            transform: translateY(-1px);
        }

        /* ========== Mobile Bottom Tab Nav ========== */
        .qmh-bottom-tab {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1029;
            height: var(--qmh-bottom-tab-height);
            background: rgba(10, 12, 16, 0.97);
            border-top: 1px solid rgba(223, 231, 235, 0.08);
            padding: 0;
            margin: 0;
            list-style: none;
            display: flex;
            align-items: stretch;
            justify-content: space-around;
            display: none;
        }
        @media (max-width: 768px) {
            .qmh-bottom-tab {
                display: flex;
            }
        }
        .qmh-bottom-tab-item {
            flex: 1;
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .qmh-bottom-tab-link {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 3px;
            font-size: 10px;
            color: var(--qmh-text-dim);
            text-decoration: none;
            padding: 6px 8px;
            border-radius: var(--qmh-radius-sm);
            transition: var(--qmh-transition);
            width: 100%;
            text-align: center;
        }
        .qmh-bottom-tab-link:hover,
        .qmh-bottom-tab-link.active {
            color: var(--qmh-primary);
        }
        .qmh-bottom-tab-link svg {
            width: 20px;
            height: 20px;
            stroke: currentColor;
            stroke-width: 1.5;
            fill: none;
        }
        .qmh-bottom-tab-link span {
            font-size: 10px;
            font-weight: 500;
            letter-spacing: 0.02em;
        }

        /* ========== Category Grid ========== */
        .qmh-category-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--qmh-gap);
        }
        @media (max-width: 992px) {
            .qmh-category-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            .qmh-category-grid {
                grid-template-columns: 1fr;
            }
        }
        .qmh-category-card {
            background: var(--qmh-surface);
            border: 1px solid var(--qmh-border);
            border-radius: var(--qmh-radius);
            overflow: hidden;
            transition: var(--qmh-transition);
            text-decoration: none;
            display: block;
            position: relative;
        }
        .qmh-category-card:hover {
            border-color: var(--qmh-border-hover);
            transform: translateY(-4px);
            box-shadow: var(--qmh-shadow);
        }
        .qmh-category-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
            transition: var(--qmh-transition);
        }
        .qmh-category-card:hover img {
            transform: scale(1.03);
        }
        .qmh-category-card-body {
            padding: 18px 20px;
        }
        .qmh-category-card-body h3 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 6px;
            color: var(--qmh-text);
        }
        .qmh-category-card-body p {
            font-size: 12.5px;
            color: var(--qmh-text-muted);
            margin-bottom: 0;
            line-height: 1.6;
        }
        .qmh-category-card-arrow {
            position: absolute;
            top: 150px;
            right: 16px;
            width: 28px;
            height: 28px;
            background: var(--qmh-primary);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: var(--qmh-transition);
            opacity: 0;
        }
        .qmh-category-card:hover .qmh-category-card-arrow {
            opacity: 1;
            transform: translateY(-2px);
        }
        .qmh-category-card-arrow svg {
            width: 12px;
            height: 12px;
            fill: #0A0C10;
        }

        /* ========== Hot List ========== */
        .qmh-hot-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--qmh-gap);
        }
        @media (max-width: 768px) {
            .qmh-hot-list {
                grid-template-columns: 1fr;
            }
        }
        .qmh-hot-item {
            display: flex;
            align-items: center;
            gap: 16px;
            background: var(--qmh-surface);
            border: 1px solid var(--qmh-border);
            border-radius: var(--qmh-radius);
            padding: 16px 20px;
            transition: var(--qmh-transition);
            cursor: pointer;
        }
        .qmh-hot-item:hover {
            border-color: var(--qmh-border-hover);
            transform: translateX(4px);
        }
        .qmh-hot-num {
            font-size: 28px;
            font-weight: 900;
            font-variant-numeric: tabular-nums;
            color: var(--qmh-primary);
            width: 40px;
            text-align: center;
            flex-shrink: 0;
            letter-spacing: -0.04em;
        }
        .qmh-hot-content h4 {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 4px;
        }
        .qmh-hot-content p {
            font-size: 12.5px;
            color: var(--qmh-text-muted);
            margin-bottom: 0;
        }
        .qmh-hot-action {
            margin-left: auto;
            flex-shrink: 0;
            font-size: 12px;
            font-weight: 600;
            color: var(--qmh-primary);
            padding: 6px 14px;
            border: 1px solid rgba(200, 255, 0, 0.3);
            border-radius: var(--qmh-radius-sm);
            transition: var(--qmh-transition);
        }
        .qmh-hot-action:hover {
            background: var(--qmh-primary);
            color: #0A0C10;
        }

        /* ========== FAQ ========== */
        .qmh-faq-list {
            display: flex;
            flex-direction: column;
            gap: 0;
            border-top: 1px solid var(--qmh-border);
        }
        .qmh-faq-item {
            border-bottom: 1px solid var(--qmh-border);
            padding: 20px 0;
            cursor: pointer;
            transition: var(--qmh-transition);
        }
        .qmh-faq-item:hover {
            padding-left: 8px;
        }
        .qmh-faq-q {
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 700;
            font-size: 15px;
            color: var(--qmh-text);
            margin-bottom: 0;
        }
        .qmh-faq-q-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: rgba(200, 255, 0, 0.1);
            border: 1px solid rgba(200, 255, 0, 0.25);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 13px;
            color: var(--qmh-primary);
            font-weight: 700;
        }
        .qmh-faq-a {
            font-size: 13.5px;
            color: var(--qmh-text-muted);
            line-height: 1.8;
            margin-top: 10px;
            padding-left: 36px;
            display: none;
        }
        .qmh-faq-item.open .qmh-faq-a {
            display: block;
        }
        .qmh-faq-item.open .qmh-faq-q-icon {
            background: var(--qmh-primary);
            color: #0A0C10;
        }

        /* ========== Footer ========== */
        .qmh-footer {
            background: #07080B;
            padding: 56px 0 24px;
            border-top: 1px solid rgba(223, 231, 235, 0.06);
            margin-bottom: var(--qmh-bottom-cta-height);
        }
        @media (max-width: 768px) {
            .qmh-footer {
                margin-bottom: calc(var(--qmh-bottom-cta-height) + var(--qmh-bottom-tab-height));
                padding: 36px 0 16px;
            }
        }
        .qmh-footer-grid {
            display: grid;
            grid-template-columns: 6fr 3fr 3fr;
            gap: 32px;
            margin-bottom: 32px;
        }
        @media (max-width: 768px) {
            .qmh-footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
        }
        .qmh-footer-brand .qmh-logo {
            margin-bottom: 12px;
        }
        .qmh-footer-desc {
            font-size: 13px;
            color: var(--qmh-text-dim);
            line-height: 1.75;
            max-width: 360px;
        }
        .qmh-footer h5 {
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--qmh-text);
        }
        .qmh-footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .qmh-footer-links li {
            margin-bottom: 8px;
        }
        .qmh-footer-links a {
            font-size: 13px;
            color: var(--qmh-text-muted);
            transition: var(--qmh-transition);
        }
        .qmh-footer-links a:hover {
            color: var(--qmh-primary);
        }
        .qmh-footer-bottom {
            border-top: 1px solid rgba(223, 231, 235, 0.06);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--qmh-text-dim);
        }
        .qmh-footer-bottom a {
            color: var(--qmh-text-muted);
            font-size: 12px;
        }
        .qmh-footer-bottom a:hover {
            color: var(--qmh-primary);
        }
        .qmh-footer-beian {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
        }

        /* ========== Animations ========== */
        @keyframes fadeInUp {
            0% {
                opacity: 0;
                transform: translateY(24px);
            }
            100% {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .animate-fade-in-up {
            animation: fadeInUp .6s ease both;
        }
        .animate-delay-1 {
            animation-delay: .1s;
        }
        .animate-delay-2 {
            animation-delay: .2s;
        }
        .animate-delay-3 {
            animation-delay: .3s;
        }
        .animate-delay-4 {
            animation-delay: .4s;
        }

        /* ========== Media Section ========== */
        .qmh-media-scroll {
            display: flex;
            gap: 16px;
            overflow-x: auto;
            padding-bottom: 12px;
            scroll-snap-type: x mandatory;
        }
        .qmh-media-scroll::-webkit-scrollbar {
            height: 4px;
        }
        .qmh-media-scroll::-webkit-scrollbar-track {
            background: var(--qmh-surface);
        }
        .qmh-media-scroll::-webkit-scrollbar-thumb {
            background: rgba(200, 255, 0, 0.3);
            border-radius: 2px;
        }
        .qmh-media-card {
            min-width: 280px;
            max-width: 320px;
            background: var(--qmh-surface);
            border: 1px solid var(--qmh-border);
            border-radius: var(--qmh-radius);
            overflow: hidden;
            scroll-snap-align: start;
            transition: var(--qmh-transition);
            flex-shrink: 0;
        }
        .qmh-media-card:hover {
            border-color: var(--qmh-border-hover);
            transform: translateY(-3px);
        }
        .qmh-media-card img {
            width: 100%;
            height: 150px;
            object-fit: cover;
        }
        .qmh-media-card-body {
            padding: 14px 16px;
        }
        .qmh-media-card-body .tag {
            font-size: 10px;
            color: var(--qmh-primary);
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
        }
        .qmh-media-card-body h4 {
            font-size: 14px;
            font-weight: 700;
            margin: 6px 0 4px;
        }
        .qmh-media-card-body p {
            font-size: 12px;
            color: var(--qmh-text-muted);
            margin-bottom: 0;
        }

        /* ========== Focus Topics ========== */
        .qmh-topic-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
        }
        @media (max-width: 992px) {
            .qmh-topic-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 576px) {
            .qmh-topic-grid {
                grid-template-columns: 1fr;
            }
        }
        .qmh-topic-card {
            background: var(--qmh-surface);
            border: 1px solid var(--qmh-border);
            border-radius: var(--qmh-radius);
            padding: 20px 18px;
            transition: var(--qmh-transition);
            cursor: pointer;
        }
        .qmh-topic-card:hover {
            border-color: var(--qmh-border-hover);
            transform: translateY(-3px);
            box-shadow: var(--qmh-shadow);
        }
        .qmh-topic-card .tag {
            font-size: 10px;
            color: var(--qmh-primary);
            font-weight: 600;
            letter-spacing: 0.05em;
            text-transform: uppercase;
            margin-bottom: 8px;
            display: block;
        }
        .qmh-topic-card h4 {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .qmh-topic-card p {
            font-size: 12.5px;
            color: var(--qmh-text-muted);
            margin-bottom: 0;
            line-height: 1.6;
        }

        /* ========== Hot Recommend ========== */
        .qmh-hot-recommend {
            display: grid;
            grid-template-columns: 3fr 2fr;
            gap: 20px;
        }
        @media (max-width: 768px) {
            .qmh-hot-recommend {
                grid-template-columns: 1fr;
            }
        }
        .qmh-hot-main-card {
            background: var(--qmh-surface);
            border: 1px solid var(--qmh-border);
            border-radius: var(--qmh-radius);
            overflow: hidden;
            position: relative;
            cursor: pointer;
            transition: var(--qmh-transition);
        }
        .qmh-hot-main-card:hover {
            border-color: var(--qmh-border-hover);
            transform: translateY(-3px);
        }
        .qmh-hot-main-card img {
            width: 100%;
            height: 280px;
            object-fit: cover;
        }
        .qmh-hot-main-card .overlay {
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            padding: 24px;
            background: linear-gradient(to top, rgba(10, 12, 16, 0.9), transparent);
        }
        .qmh-hot-main-card .overlay h4 {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 6px;
        }
        .qmh-hot-main-card .overlay p {
            font-size: 13px;
            color: var(--qmh-text-muted);
            margin-bottom: 0;
        }
        .qmh-hot-main-card .heat-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            background: var(--qmh-primary);
            color: #0A0C10;
            font-size: 11px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: var(--qmh-radius-sm);
            letter-spacing: 0.04em;
        }
        .qmh-hot-side {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .qmh-hot-side-card {
            background: var(--qmh-surface);
            border: 1px solid var(--qmh-border);
            border-radius: var(--qmh-radius);
            padding: 16px 18px;
            display: flex;
            align-items: center;
            gap: 14px;
            transition: var(--qmh-transition);
            cursor: pointer;
            flex: 1;
        }
        .qmh-hot-side-card:hover {
            border-color: var(--qmh-border-hover);
            transform: translateX(4px);
        }
        .qmh-hot-side-card .rank {
            font-size: 22px;
            font-weight: 900;
            color: var(--qmh-primary);
            font-variant-numeric: tabular-nums;
            width: 32px;
            text-align: center;
            flex-shrink: 0;
        }
        .qmh-hot-side-card h5 {
            font-size: 14px;
            font-weight: 700;
            margin-bottom: 2px;
        }
        .qmh-hot-side-card p {
            font-size: 12px;
            color: var(--qmh-text-muted);
            margin-bottom: 0;
        }
        .qmh-hot-side-card .btn-watch {
            margin-left: auto;
            font-size: 11px;
            font-weight: 600;
            color: var(--qmh-primary);
            padding: 5px 12px;
            border: 1px solid rgba(200, 255, 0, 0.3);
            border-radius: var(--qmh-radius-sm);
            white-space: nowrap;
            transition: var(--qmh-transition);
        }
        .qmh-hot-side-card .btn-watch:hover {
            background: var(--qmh-primary);
            color: #0A0C10;
        }

        /* ========== CTA Section ========== */
        .qmh-cta-section {
            background: var(--qmh-surface);
            border: 1px solid var(--qmh-border);
            border-radius: var(--qmh-radius);
            padding: 48px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }
        .qmh-cta-section::before {
            content: '';
            position: absolute;
            top: -50%;
            right: -20%;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(200, 255, 0, 0.06), transparent);
            border-radius: 50%;
            pointer-events: none;
        }
        .qmh-cta-section h3 {
            font-size: 28px;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }
        .qmh-cta-section p {
            font-size: 15px;
            color: var(--qmh-text-muted);
            max-width: 520px;
            margin: 0 auto 24px;
            line-height: 1.8;
        }
        .qmh-cta-section .btn-group {
            display: flex;
            gap: 12px;
            justify-content: center;
            flex-wrap: wrap;
        }

        /* ========== Utility ========== */
        .text-primary-qmh {
            color: var(--qmh-primary) !important;
        }
        .text-muted-qmh {
            color: var(--qmh-text-muted) !important;
        }
        .bg-surface-qmh {
            background: var(--qmh-surface) !important;
        }
        .border-qmh {
            border: 1px solid var(--qmh-border) !important;
        }
        .rounded-qmh {
            border-radius: var(--qmh-radius) !important;
        }
        .fw-800 {
            font-weight: 800 !important;
        }
        .fw-900 {
            font-weight: 900 !important;
        }
        .tabular-nums {
            font-variant-numeric: tabular-nums;
        }
        .mb-0 {
            margin-bottom: 0 !important;
        }
        .mt-0 {
            margin-top: 0 !important;
        }
        .gap-2 {
            gap: 8px !important;
        }
        .gap-3 {
            gap: 16px !important;
        }
        .gap-4 {
            gap: 24px !important;
        }
        .d-flex {
            display: flex !important;
        }
        .align-items-center {
            align-items: center !important;
        }
        .justify-content-between {
            justify-content: space-between !important;
        }
        .flex-wrap {
            flex-wrap: wrap !important;
        }

        /* Bootstrap overrides */
        .btn:focus {
            box-shadow: none;
        }
        .table {
            color: var(--qmh-text);
        }
        .form-control {
            background: var(--qmh-bg);
            border: none;
            border-bottom: 1px solid #2A2E33;
            color: var(--qmh-text);
            border-radius: 0;
            padding: 8px 4px;
            font-size: 13.5px;
        }
        .form-control:focus {
            background: var(--qmh-bg);
            border-bottom-color: var(--qmh-primary);
            box-shadow: none;
            color: var(--qmh-text);
        }
        .form-control::placeholder {
            color: var(--qmh-text-dim);
        }

/* roulang page: category3 */
:root {
            --qmh-bg: #0A0C10;
            --qmh-surface: #14171E;
            --qmh-surface-2: #1A1F28;
            --qmh-primary: #C8FF00;
            --qmh-primary-dark: #A8D600;
            --qmh-accent: #DFE7EB;
            --qmh-danger: #FF3D2E;
            --qmh-text: #E8ECEF;
            --qmh-text-muted: #9BA3AF;
            --qmh-text-dim: #6B7280;
            --qmh-border: rgba(223, 231, 235, 0.08);
            --qmh-border-hover: rgba(200, 255, 0, 0.6);
            --qmh-radius: 6px;
            --qmh-radius-sm: 4px;
            --qmh-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
            --qmh-shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.55);
            --qmh-font-sans: 'Inter', 'SF Pro Display', 'HarmonyOS Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --qmh-font-mono: 'SF Mono', 'JetBrains Mono', 'Roboto Mono', 'Consolas', monospace;
            --qmh-transition: all .25s cubic-bezier(0.4, 0, 0.2, 1);
            --qmh-section-pad: 88px 0;
            --qmh-section-pad-mobile: 44px 0;
            --qmh-gap: 24px;
            --qmh-nav-height: 68px;
            --qmh-bottom-cta-height: 64px;
            --qmh-bottom-tab-height: 58px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--qmh-font-sans);
            background-color: var(--qmh-bg);
            color: var(--qmh-text);
            line-height: 1.75;
            font-size: 15px;
            overflow-x: hidden;
            padding-bottom: calc(var(--qmh-bottom-cta-height) + var(--qmh-bottom-tab-height));
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--qmh-accent);
            text-decoration: none;
            transition: var(--qmh-transition);
        }
        a:hover,
        a:focus {
            color: var(--qmh-primary);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--qmh-primary);
            outline-offset: 2px;
        }
        .container-qmh {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        .section-qmh {
            padding: var(--qmh-section-pad);
            position: relative;
        }
        .section-label {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--qmh-primary);
            margin-bottom: 14px;
            position: relative;
            padding-left: 16px;
        }
        .section-label::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 6px;
            height: 6px;
            background: var(--qmh-primary);
            border-radius: 50%;
        }
        .section-title {
            font-size: 36px;
            font-weight: 800;
            letter-spacing: -0.03em;
            margin-bottom: 12px;
            font-variant-numeric: tabular-nums;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--qmh-text-muted);
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: 40px;
        }
        .qmh-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            height: var(--qmh-nav-height);
            background: rgba(10, 12, 16, 0.92);
            border-bottom: 1px solid rgba(223, 231, 235, 0.06);
            transition: background .35s ease, border-color .35s ease, box-shadow .35s ease;
        }
        .qmh-header.scrolled {
            background: rgba(10, 12, 16, 0.97);
            border-bottom-color: rgba(223, 231, 235, 0.1);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
        }
        .qmh-header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--qmh-nav-height);
            gap: 20px;
        }
        .qmh-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            text-decoration: none;
            color: var(--qmh-text);
            font-weight: 800;
            font-size: 20px;
            letter-spacing: -0.02em;
        }
        .qmh-logo:hover {
            color: var(--qmh-primary);
        }
        .qmh-logo-icon {
            width: 32px;
            height: 32px;
            background: var(--qmh-primary);
            border-radius: var(--qmh-radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .qmh-logo-icon svg {
            width: 18px;
            height: 18px;
            fill: none;
            stroke: #0A0C10;
            stroke-width: 2;
        }
        .qmh-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .qmh-nav-item {
            position: relative;
        }
        .qmh-nav-link {
            display: inline-block;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--qmh-text-muted);
            border-radius: var(--qmh-radius-sm);
            transition: var(--qmh-transition);
            white-space: nowrap;
        }
        .qmh-nav-link:hover,
        .qmh-nav-link:focus {
            color: var(--qmh-primary);
        }
        .qmh-nav-link.active {
            color: var(--qmh-primary);
            border-bottom: 1px solid var(--qmh-primary);
            border-radius: 0;
            font-weight: 600;
        }
        .btn-qmh {
            display: inline-block;
            padding: 12px 28px;
            font-size: 14px;
            font-weight: 700;
            letter-spacing: 0.02em;
            border: 0;
            border-radius: var(--qmh-radius);
            background: var(--qmh-primary);
            color: #0A0C10;
            cursor: pointer;
            transition: var(--qmh-transition);
            text-decoration: none;
            text-align: center;
        }
        .btn-qmh:hover,
        .btn-qmh:focus {
            background: var(--qmh-primary-dark);
            color: #0A0C10;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(200, 255, 0, 0.25);
        }
        .btn-qmh-ghost {
            display: inline-block;
            padding: 11px 28px;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.02em;
            border: 1px solid rgba(223, 231, 235, 0.25);
            border-radius: var(--qmh-radius);
            background: transparent;
            color: var(--qmh-accent);
            cursor: pointer;
            transition: var(--qmh-transition);
            text-decoration: none;
            text-align: center;
        }
        .btn-qmh-ghost:hover,
        .btn-qmh-ghost:focus {
            border-color: var(--qmh-primary);
            color: var(--qmh-primary);
            transform: translateY(-2px);
        }
        .card-ui {
            background: var(--qmh-surface);
            border: 1px solid var(--qmh-border);
            border-radius: var(--qmh-radius);
            padding: 24px;
            transition: var(--qmh-transition);
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .card-ui:hover {
            border-color: var(--qmh-border-hover);
            box-shadow: var(--qmh-shadow);
            transform: translateY(-2px);
        }
        .card-ui--hover-glow:hover {
            border-color: var(--qmh-primary);
            box-shadow: 0 0 0 1px rgba(200, 255, 0, 0.3), var(--qmh-shadow);
        }
        .tag-qmh {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--qmh-primary);
            background: rgba(200, 255, 0, 0.08);
            padding: 4px 10px;
            border-radius: 100px;
            margin-bottom: 12px;
        }
        .tag-qmh--dark {
            color: var(--qmh-text-muted);
            background: rgba(223, 231, 235, 0.06);
        }
        .badge-qmh {
            display: inline-block;
            font-size: 11px;
            font-weight: 700;
            padding: 3px 8px;
            border-radius: var(--qmh-radius-sm);
            letter-spacing: 0.05em;
        }
        .badge-qmh--green {
            background: var(--qmh-primary);
            color: #0A0C10;
        }
        .badge-qmh--red {
            background: var(--qmh-danger);
            color: #fff;
        }
        .badge-qmh--gray {
            background: rgba(223, 231, 235, 0.1);
            color: var(--qmh-text-muted);
        }
        .stat-num {
            font-family: var(--qmh-font-mono);
            font-variant-numeric: tabular-nums;
            font-weight: 700;
        }
        .qmh-hero-lite {
            padding-top: calc(var(--qmh-nav-height) + 40px);
            padding-bottom: 40px;
            min-height: 300px;
            display: flex;
            align-items: center;
            background: linear-gradient(180deg, rgba(10, 12, 16, 0.95) 0%, rgba(10, 12, 16, 0.85) 100%), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            position: relative;
            border-bottom: 1px solid var(--qmh-border);
        }
        .qmh-hero-lite::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(10, 12, 16, 0.75);
            z-index: 1;
        }
        .qmh-hero-lite .container-qmh {
            position: relative;
            z-index: 2;
        }
        .breadcrumb-qmh {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--qmh-text-muted);
            margin-bottom: 16px;
            list-style: none;
            padding: 0;
        }
        .breadcrumb-qmh a {
            color: var(--qmh-text-muted);
        }
        .breadcrumb-qmh a:hover {
            color: var(--qmh-primary);
        }
        .breadcrumb-qmh .separator {
            color: var(--qmh-text-dim);
        }
        .qmh-hero-lite h1 {
            font-size: 42px;
            font-weight: 800;
            letter-spacing: -0.03em;
            margin-bottom: 12px;
            color: var(--qmh-text);
        }
        .qmh-hero-lite .lead {
            font-size: 16px;
            color: var(--qmh-text-muted);
            max-width: 760px;
            line-height: 1.8;
        }
        .qmh-footer {
            background: #08090C;
            border-top: 1px solid var(--qmh-border);
            padding: 56px 0 32px;
            position: relative;
            z-index: 2;
        }
        .qmh-footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .qmh-footer-brand .qmh-logo {
            font-size: 18px;
            margin-bottom: 12px;
        }
        .qmh-footer-desc {
            font-size: 13px;
            color: var(--qmh-text-muted);
            line-height: 1.7;
            max-width: 380px;
            margin-bottom: 0;
        }
        .qmh-footer h5 {
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--qmh-text);
            margin-bottom: 16px;
        }
        .qmh-footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .qmh-footer-links a {
            font-size: 13px;
            color: var(--qmh-text-muted);
            transition: var(--qmh-transition);
        }
        .qmh-footer-links a:hover {
            color: var(--qmh-primary);
        }
        .qmh-footer-bottom {
            border-top: 1px solid var(--qmh-border);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px 24px;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--qmh-text-dim);
        }
        .qmh-footer-beian {
            display: flex;
            flex-wrap: wrap;
            gap: 8px 16px;
        }
        .qmh-bottom-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1030;
            background: var(--qmh-primary);
            color: #0A0C10;
            min-height: var(--qmh-bottom-cta-height);
            display: flex;
            align-items: center;
            padding: 10px 20px;
            box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.3);
        }
        .qmh-bottom-cta-inner {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            flex: 1;
        }
        .qmh-bottom-cta-text {
            font-size: 14px;
            font-weight: 700;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }
        .qmh-bottom-cta-form {
            display: flex;
            align-items: center;
            gap: 10px;
            flex: 1;
            max-width: 480px;
            background: rgba(10, 12, 16, 0.12);
            border-radius: var(--qmh-radius);
            padding: 6px 6px 6px 16px;
        }
        .qmh-bottom-cta-form input {
            flex: 1;
            border: 0;
            background: transparent;
            color: #0A0C10;
            font-size: 14px;
            min-width: 120px;
        }
        .qmh-bottom-cta-form input::placeholder {
            color: rgba(10, 12, 16, 0.5);
        }
        .qmh-bottom-cta-form input:focus {
            outline: none;
        }
        .qmh-bottom-cta-form button {
            border: 0;
            background: #0A0C10;
            color: var(--qmh-primary);
            font-size: 13px;
            font-weight: 700;
            padding: 10px 18px;
            border-radius: var(--qmh-radius-sm);
            cursor: pointer;
            transition: var(--qmh-transition);
            white-space: nowrap;
        }
        .qmh-bottom-cta-form button:hover {
            background: #1A1F28;
        }
        .qmh-bottom-tabs {
            position: fixed;
            bottom: var(--qmh-bottom-cta-height);
            left: 0;
            right: 0;
            z-index: 1031;
            background: rgba(10, 12, 16, 0.97);
            border-top: 1px solid var(--qmh-border);
            display: none;
            height: var(--qmh-bottom-tab-height);
            align-items: center;
            justify-content: space-around;
            padding: 0 8px;
        }
        .qmh-bottom-tab-link {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 4px;
            font-size: 10px;
            color: var(--qmh-text-muted);
            text-decoration: none;
            transition: var(--qmh-transition);
            flex: 1;
            padding: 6px 0;
        }
        .qmh-bottom-tab-link svg {
            width: 20px;
            height: 20px;
            fill: none;
            stroke: currentColor;
            stroke-width: 1.8;
        }
        .qmh-bottom-tab-link.active {
            color: var(--qmh-primary);
        }
        .qmh-bottom-tab-link:hover {
            color: var(--qmh-primary);
        }
        .qmh-insight-masonry {
            column-count: 2;
            column-gap: 24px;
        }
        .qmh-insight-masonry .card-ui {
            break-inside: avoid;
            margin-bottom: 24px;
        }
        .qmh-insight-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            border-radius: var(--qmh-radius-sm);
            margin-bottom: 16px;
        }
        .qmh-insight-card-title {
            font-size: 18px;
            font-weight: 700;
            letter-spacing: -0.02em;
            color: var(--qmh-text);
            margin-bottom: 8px;
        }
        .qmh-insight-card-meta {
            font-size: 12px;
            color: var(--qmh-text-dim);
            display: flex;
            gap: 12px;
            margin-bottom: 10px;
        }
        .qmh-insight-card-excerpt {
            font-size: 14px;
            color: var(--qmh-text-muted);
            line-height: 1.75;
            margin-bottom: 12px;
        }
        .qmh-insight-card-link {
            font-size: 13px;
            font-weight: 600;
            color: var(--qmh-primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        .qmh-insight-card-link:hover {
            color: var(--qmh-accent);
        }
        .qmh-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 13px;
        }
        .qmh-table th {
            text-align: left;
            padding: 12px 16px;
            font-size: 11px;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--qmh-text-dim);
            border-bottom: 1px solid var(--qmh-border);
        }
        .qmh-table td {
            padding: 12px 16px;
            border-bottom: 1px solid var(--qmh-border);
            color: var(--qmh-text-muted);
            font-variant-numeric: tabular-nums;
        }
        .qmh-table tr:hover td {
            background: rgba(200, 255, 0, 0.03);
            color: var(--qmh-text);
        }
        .qmh-progress {
            background: rgba(223, 231, 235, 0.06);
            border-radius: 100px;
            height: 6px;
            overflow: hidden;
            flex: 1;
            min-width: 60px;
        }
        .qmh-progress-bar {
            height: 100%;
            background: var(--qmh-primary);
            border-radius: 100px;
            transition: width .6s ease;
        }
        .qmh-faq-item {
            border-bottom: 1px solid var(--qmh-border);
            padding: 20px 0;
        }
        .qmh-faq-item:first-child {
            border-top: 1px solid var(--qmh-border);
        }
        .qmh-faq-question {
            font-size: 16px;
            font-weight: 700;
            color: var(--qmh-text);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 10px;
            cursor: pointer;
            transition: var(--qmh-transition);
        }
        .qmh-faq-question:hover {
            color: var(--qmh-primary);
        }
        .qmh-faq-question .icon {
            width: 20px;
            height: 20px;
            flex-shrink: 0;
            fill: none;
            stroke: var(--qmh-primary);
            stroke-width: 1.8;
        }
        .qmh-faq-answer {
            font-size: 14px;
            color: var(--qmh-text-muted);
            line-height: 1.8;
            padding-left: 30px;
            margin: 0;
        }
        .qmh-quote-block {
            border-left: 3px solid var(--qmh-primary);
            padding: 16px 20px;
            background: rgba(200, 255, 0, 0.04);
            border-radius: 0 var(--qmh-radius-sm) var(--qmh-radius-sm) 0;
            margin: 16px 0;
            font-size: 14px;
            color: var(--qmh-accent);
            line-height: 1.8;
        }
        @media (min-width: 992px) {
            .container-qmh {
                padding-left: 36px;
                padding-right: 36px;
            }
        }
        @media (max-width: 991px) {
            .qmh-nav {
                display: none;
            }
            .qmh-hero-lite h1 {
                font-size: 32px;
            }
            .section-title {
                font-size: 26px;
            }
        }
        @media (max-width: 768px) {
            .section-qmh {
                padding: var(--qmh-section-pad-mobile);
            }
            .qmh-bottom-tabs {
                display: flex;
            }
            .qmh-footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .qmh-hero-lite {
                min-height: 260px;
                padding-top: calc(var(--qmh-nav-height) + 28px);
                padding-bottom: 28px;
            }
            .qmh-hero-lite h1 {
                font-size: 28px;
            }
            .qmh-insight-masonry {
                column-count: 1;
            }
            .qmh-bottom-cta-inner {
                flex-direction: column;
                gap: 8px;
            }
            .qmh-bottom-cta-form {
                max-width: 100%;
                width: 100%;
            }
            .qmh-bottom-cta-text {
                font-size: 12px;
            }
        }
        @media (max-width: 520px) {
            .btn-qmh,
            .btn-qmh-ghost {
                padding: 10px 20px;
                font-size: 13px;
                display: block;
                width: 100%;
            }
            .qmh-table {
                font-size: 11px;
            }
            .qmh-table th,
            .qmh-table td {
                padding: 8px 10px;
            }
        }
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .fade-in-up {
            animation: fadeInUp .6s ease forwards;
        }
        .divider-qmh {
            height: 1px;
            background: var(--qmh-border);
            margin: 40px 0;
            border: 0;
        }

/* roulang page: category2 */
:root {
            --qmh-bg: #0A0C10;
            --qmh-surface: #14171E;
            --qmh-surface-2: #1A1F28;
            --qmh-primary: #C8FF00;
            --qmh-primary-dark: #A8D600;
            --qmh-accent: #DFE7EB;
            --qmh-danger: #FF3D2E;
            --qmh-text: #E8ECEF;
            --qmh-text-muted: #9BA3AF;
            --qmh-text-dim: #6B7280;
            --qmh-border: rgba(223, 231, 235, 0.08);
            --qmh-border-hover: rgba(200, 255, 0, 0.6);
            --qmh-radius: 6px;
            --qmh-radius-sm: 4px;
            --qmh-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
            --qmh-shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.55);
            --qmh-font-sans: 'Inter', 'SF Pro Display', 'HarmonyOS Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --qmh-font-mono: 'SF Mono', 'JetBrains Mono', 'Roboto Mono', 'Consolas', monospace;
            --qmh-transition: all .25s cubic-bezier(0.4, 0, 0.2, 1);
            --qmh-section-pad: 88px 0;
            --qmh-section-pad-mobile: 44px 0;
            --qmh-gap: 24px;
            --qmh-nav-height: 68px;
            --qmh-bottom-cta-height: 64px;
            --qmh-bottom-tab-height: 58px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--qmh-font-sans);
            background-color: var(--qmh-bg);
            color: var(--qmh-text);
            line-height: 1.75;
            font-size: 15px;
            overflow-x: hidden;
            padding-bottom: calc(var(--qmh-bottom-cta-height) + var(--qmh-bottom-tab-height));
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--qmh-accent);
            text-decoration: none;
            transition: var(--qmh-transition);
        }
        a:hover,
        a:focus {
            color: var(--qmh-primary);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--qmh-primary);
            outline-offset: 2px;
        }
        .container-qmh {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        @media (min-width: 768px) {
            .container-qmh {
                padding-left: 28px;
                padding-right: 28px;
            }
        }
        @media (min-width: 992px) {
            .container-qmh {
                padding-left: 36px;
                padding-right: 36px;
            }
        }
        .section-qmh {
            padding: var(--qmh-section-pad);
            position: relative;
        }
        @media (max-width: 768px) {
            .section-qmh {
                padding: var(--qmh-section-pad-mobile);
            }
        }
        .section-qmh--alt {
            background-color: #F4F6F8;
            color: #1A1F28;
        }
        .section-qmh--alt h2,
        .section-qmh--alt h3,
        .section-qmh--alt p {
            color: #1A1F28;
        }
        .section-label {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--qmh-primary);
            margin-bottom: 14px;
            position: relative;
            padding-left: 16px;
        }
        .section-label::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 6px;
            height: 6px;
            background: var(--qmh-primary);
            border-radius: 50%;
        }
        .section-qmh--alt .section-label {
            color: #1A1F28;
        }
        .section-qmh--alt .section-label::before {
            background: #1A1F28;
        }
        .section-title {
            font-size: 36px;
            font-weight: 800;
            letter-spacing: -0.03em;
            margin-bottom: 12px;
            font-variant-numeric: tabular-nums;
        }
        @media (max-width: 768px) {
            .section-title {
                font-size: 26px;
            }
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--qmh-text-muted);
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: 40px;
        }
        .section-qmh--alt .section-subtitle {
            color: #5A6470;
        }

        /* ========== Top Navigation ========== */
        .qmh-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            height: var(--qmh-nav-height);
            background: rgba(10, 12, 16, 0.92);
            border-bottom: 1px solid rgba(223, 231, 235, 0.06);
            transition: background .35s ease, border-color .35s ease, box-shadow .35s ease;
        }
        .qmh-header.scrolled {
            background: rgba(10, 12, 16, 0.97);
            border-bottom-color: rgba(223, 231, 235, 0.1);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
        }
        .qmh-header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--qmh-nav-height);
            gap: 20px;
        }
        .qmh-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            text-decoration: none;
            color: var(--qmh-text);
            font-weight: 800;
            font-size: 20px;
            letter-spacing: -0.02em;
        }
        .qmh-logo:hover {
            color: var(--qmh-primary);
        }
        .qmh-logo-icon {
            width: 32px;
            height: 32px;
            background: var(--qmh-primary);
            border-radius: var(--qmh-radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .qmh-logo-icon svg {
            width: 20px;
            height: 20px;
            fill: none;
            stroke: #0A0C10;
            stroke-width: 2;
        }
        .qmh-logo-text {
            font-size: 20px;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--qmh-text);
        }
        .qmh-nav {
            display: flex;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 4px;
        }
        .qmh-nav-item {
            position: relative;
        }
        .qmh-nav-link {
            display: block;
            padding: 8px 14px;
            font-size: 13.5px;
            font-weight: 500;
            color: var(--qmh-text-muted);
            letter-spacing: 0.02em;
            transition: var(--qmh-transition);
            border-radius: var(--qmh-radius-sm);
            position: relative;
        }
        .qmh-nav-link:hover {
            color: var(--qmh-primary);
        }
        .qmh-nav-link.active {
            color: var(--qmh-primary);
        }
        .qmh-nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 14px;
            right: 14px;
            height: 1px;
            background: var(--qmh-primary);
        }
        @media (max-width: 991px) {
            .qmh-nav {
                gap: 0;
                overflow-x: auto;
                -webkit-overflow-scrolling: touch;
                scrollbar-width: none;
                -ms-overflow-style: none;
                max-width: 100%;
            }
            .qmh-nav::-webkit-scrollbar {
                display: none;
            }
            .qmh-nav-link {
                padding: 8px 10px;
                font-size: 12.5px;
                white-space: nowrap;
            }
            .qmh-nav-link.active::after {
                left: 10px;
                right: 10px;
            }
            .qmh-header-inner {
                gap: 10px;
            }
            .qmh-logo-text {
                font-size: 17px;
            }
        }
        @media (max-width: 768px) {
            .qmh-nav {
                display: none;
            }
            .qmh-header-inner {
                justify-content: center;
            }
        }

        /* ========== Hero Lite ========== */
        .hero-lite {
            margin-top: var(--qmh-nav-height);
            min-height: 300px;
            background: linear-gradient(rgba(10, 12, 16, 0.88), rgba(10, 12, 16, 0.82)), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            display: flex;
            align-items: center;
            padding: 48px 0;
            border-bottom: 1px solid var(--qmh-border);
            position: relative;
            overflow: hidden;
        }
        .hero-lite::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--qmh-primary);
            opacity: 0.35;
        }
        .hero-lite-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--qmh-text-muted);
            margin-bottom: 16px;
        }
        .hero-lite-breadcrumb a {
            color: var(--qmh-text-muted);
        }
        .hero-lite-breadcrumb a:hover {
            color: var(--qmh-primary);
        }
        .hero-lite-breadcrumb .divider {
            color: var(--qmh-text-dim);
        }
        .hero-lite-title {
            font-size: 42px;
            font-weight: 800;
            letter-spacing: -0.04em;
            margin-bottom: 12px;
            font-variant-numeric: tabular-nums;
        }
        .hero-lite-desc {
            font-size: 16px;
            color: var(--qmh-text-muted);
            max-width: 620px;
            line-height: 1.8;
        }
        @media (max-width: 768px) {
            .hero-lite {
                min-height: 240px;
                padding: 36px 0;
            }
            .hero-lite-title {
                font-size: 30px;
            }
            .hero-lite-desc {
                font-size: 14px;
            }
        }

        /* ========== Data Snapshot Cards ========== */
        .stat-snap-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--qmh-gap);
        }
        .stat-snap-card {
            background: var(--qmh-surface);
            border: 1px solid var(--qmh-border);
            border-radius: var(--qmh-radius);
            padding: 24px;
            transition: var(--qmh-transition);
            position: relative;
            overflow: hidden;
        }
        .stat-snap-card:hover {
            border-color: var(--qmh-border-hover);
            transform: translateY(-3px);
            box-shadow: var(--qmh-shadow);
        }
        .stat-snap-card .stat-label {
            font-size: 12px;
            font-weight: 500;
            color: var(--qmh-text-muted);
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 10px;
        }
        .stat-snap-card .stat-value {
            font-size: 38px;
            font-weight: 800;
            font-variant-numeric: tabular-nums;
            letter-spacing: -0.02em;
            color: var(--qmh-primary);
            line-height: 1.1;
        }
        .stat-snap-card .stat-unit {
            font-size: 14px;
            color: var(--qmh-text-muted);
            font-weight: 400;
            margin-left: 4px;
        }
        .stat-snap-card .stat-trend {
            display: inline-block;
            margin-top: 10px;
            font-size: 12px;
            font-weight: 600;
            padding: 2px 10px;
            border-radius: 20px;
            letter-spacing: 0.04em;
        }
        .stat-trend.up {
            color: var(--qmh-primary);
            background: rgba(200, 255, 0, 0.08);
        }
        .stat-trend.down {
            color: var(--qmh-danger);
            background: rgba(255, 61, 46, 0.08);
        }
        .stat-trend.flat {
            color: var(--qmh-text-muted);
            background: rgba(223, 231, 235, 0.06);
        }
        @media (max-width: 991px) {
            .stat-snap-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 576px) {
            .stat-snap-grid {
                grid-template-columns: 1fr;
            }
            .stat-snap-card .stat-value {
                font-size: 30px;
            }
        }

        /* ========== Table & Progress Bar ========== */
        .table-card-ui {
            background: var(--qmh-surface);
            border: 1px solid var(--qmh-border);
            border-radius: var(--qmh-radius);
            padding: 0;
            overflow: hidden;
            transition: var(--qmh-transition);
        }
        .table-card-ui:hover {
            border-color: var(--qmh-border-hover);
            box-shadow: var(--qmh-shadow);
        }
        .table-card-header {
            padding: 20px 24px;
            border-bottom: 1px solid var(--qmh-border);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 10px;
        }
        .table-card-header h3 {
            font-size: 18px;
            font-weight: 700;
            margin: 0;
            letter-spacing: -0.02em;
        }
        .table-badge {
            display: inline-block;
            padding: 4px 12px;
            font-size: 11px;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            border-radius: 20px;
            background: rgba(200, 255, 0, 0.08);
            color: var(--qmh-primary);
            border: 1px solid rgba(200, 255, 0, 0.25);
        }
        .table-qmh {
            width: 100%;
            margin: 0;
            border-collapse: collapse;
            font-size: 14px;
        }
        .table-qmh thead th {
            font-size: 11px;
            font-weight: 600;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            color: var(--qmh-text-muted);
            padding: 14px 16px;
            border-bottom: 1px solid var(--qmh-border);
            white-space: nowrap;
            background: rgba(10, 12, 16, 0.3);
        }
        .table-qmh tbody td {
            padding: 14px 16px;
            border-bottom: 1px solid rgba(223, 231, 235, 0.04);
            vertical-align: middle;
            font-variant-numeric: tabular-nums;
        }
        .table-qmh tbody tr:last-child td {
            border-bottom: none;
        }
        .table-qmh tbody tr:hover td {
            background: rgba(223, 231, 235, 0.02);
        }
        .team-cell {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
            color: var(--qmh-text);
        }
        .team-cell .team-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            flex-shrink: 0;
        }
        .rank-cell {
            font-weight: 700;
            font-size: 15px;
            color: var(--qmh-text);
        }
        .rank-cell.top1 {
            color: var(--qmh-primary);
        }
        .progress-qmh {
            height: 6px;
            background: rgba(223, 231, 235, 0.06);
            border-radius: 3px;
            overflow: hidden;
            min-width: 80px;
        }
        .progress-qmh .progress-bar-qmh {
            height: 100%;
            border-radius: 3px;
            background: var(--qmh-primary);
            transition: width 1s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .progress-qmh .progress-bar-qmh.accent {
            background: var(--qmh-accent);
        }
        .progress-qmh .progress-bar-qmh.danger {
            background: var(--qmh-danger);
        }
        .progress-cell {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .progress-cell .progress-value {
            font-size: 13px;
            font-weight: 600;
            color: var(--qmh-text-muted);
            min-width: 36px;
            text-align: right;
            font-variant-numeric: tabular-nums;
        }
        @media (max-width: 768px) {
            .table-qmh {
                font-size: 12px;
            }
            .table-qmh thead th,
            .table-qmh tbody td {
                padding: 10px 8px;
            }
            .progress-cell .progress-value {
                font-size: 11px;
                min-width: 28px;
            }
            .progress-qmh {
                min-width: 50px;
                height: 4px;
            }
        }

        /* ========== Depth Content ========== */
        .depth-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }
        .depth-block.reverse {
            direction: rtl;
        }
        .depth-block.reverse > * {
            direction: ltr;
        }
        .depth-image {
            border-radius: var(--qmh-radius);
            overflow: hidden;
            border: 1px solid var(--qmh-border);
            position: relative;
        }
        .depth-image img {
            width: 100%;
            height: 340px;
            object-fit: cover;
        }
        .depth-image::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 40%;
            background: linear-gradient(transparent, rgba(10, 12, 16, 0.5));
            pointer-events: none;
        }
        .depth-content h3 {
            font-size: 26px;
            font-weight: 700;
            letter-spacing: -0.02em;
            margin-bottom: 16px;
        }
        .depth-content p {
            color: var(--qmh-text-muted);
            font-size: 15px;
            line-height: 1.85;
            margin-bottom: 14px;
        }
        .depth-content .data-note {
            background: rgba(200, 255, 0, 0.04);
            border-left: 3px solid var(--qmh-primary);
            padding: 14px 18px;
            border-radius: 0 var(--qmh-radius-sm) var(--qmh-radius-sm) 0;
            font-size: 13.5px;
            color: var(--qmh-accent);
            margin-top: 16px;
        }
        @media (max-width: 991px) {
            .depth-block,
            .depth-block.reverse {
                grid-template-columns: 1fr;
                direction: ltr;
                gap: 24px;
            }
            .depth-image img {
                height: 240px;
            }
            .depth-content h3 {
                font-size: 22px;
            }
        }

        /* ========== Comparison Grid ========== */
        .comparison-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: var(--qmh-gap);
        }
        .comparison-card {
            background: var(--qmh-surface);
            border: 1px solid var(--qmh-border);
            border-radius: var(--qmh-radius);
            padding: 28px;
            transition: var(--qmh-transition);
        }
        .comparison-card:hover {
            border-color: var(--qmh-border-hover);
            transform: translateY(-2px);
        }
        .comparison-card h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }
        .comparison-metric {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 0;
            border-bottom: 1px solid rgba(223, 231, 235, 0.05);
            font-size: 14px;
        }
        .comparison-metric:last-child {
            border-bottom: none;
        }
        .comparison-metric .metric-label {
            color: var(--qmh-text-muted);
        }
        .comparison-metric .metric-value {
            font-weight: 700;
            font-variant-numeric: tabular-nums;
            color: var(--qmh-text);
        }
        .comparison-metric .metric-value.highlight {
            color: var(--qmh-primary);
        }
        @media (max-width: 768px) {
            .comparison-grid {
                grid-template-columns: 1fr;
            }
            .comparison-card {
                padding: 20px;
            }
        }

        /* ========== Methodology ========== */
        .methodology-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--qmh-gap);
        }
        .methodology-item {
            background: var(--qmh-surface);
            border: 1px solid var(--qmh-border);
            border-radius: var(--qmh-radius);
            padding: 24px;
            transition: var(--qmh-transition);
        }
        .methodology-item:hover {
            border-color: var(--qmh-border-hover);
            transform: translateY(-2px);
        }
        .methodology-item .method-icon {
            width: 36px;
            height: 36px;
            border-radius: var(--qmh-radius-sm);
            background: rgba(200, 255, 0, 0.08);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 14px;
        }
        .methodology-item .method-icon svg {
            width: 20px;
            height: 20px;
            fill: none;
            stroke: var(--qmh-primary);
            stroke-width: 1.8;
        }
        .methodology-item h5 {
            font-size: 15px;
            font-weight: 700;
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }
        .methodology-item p {
            font-size: 13.5px;
            color: var(--qmh-text-muted);
            line-height: 1.75;
            margin: 0;
        }
        @media (max-width: 991px) {
            .methodology-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ========== FAQ ========== */
        .accordion-qmh .accordion-item {
            background: var(--qmh-surface);
            border: 1px solid var(--qmh-border);
            border-radius: var(--qmh-radius) !important;
            margin-bottom: 12px;
            overflow: hidden;
        }
        .accordion-qmh .accordion-button {
            background: transparent;
            color: var(--qmh-text);
            font-weight: 600;
            font-size: 15px;
            padding: 18px 24px;
            box-shadow: none;
            border: none;
        }
        .accordion-qmh .accordion-button:not(.collapsed) {
            background: rgba(200, 255, 0, 0.04);
            color: var(--qmh-primary);
            box-shadow: none;
        }
        .accordion-qmh .accordion-button:focus {
            box-shadow: none;
            outline: none;
        }
        .accordion-qmh .accordion-button::after {
            filter: invert(0.8);
        }
        .accordion-qmh .accordion-body {
            color: var(--qmh-text-muted);
            font-size: 14px;
            line-height: 1.8;
            padding: 0 24px 20px;
        }

        /* ========== CTA Section ========== */
        .cta-inline-section {
            background: var(--qmh-surface);
            border: 1px solid var(--qmh-border);
            border-radius: var(--qmh-radius);
            padding: 48px 48px;
            display: grid;
            grid-template-columns: 1.2fr 0.8fr;
            gap: 40px;
            align-items: center;
        }
        .cta-inline-section h3 {
            font-size: 28px;
            font-weight: 800;
            letter-spacing: -0.03em;
            margin-bottom: 14px;
        }
        .cta-inline-section p {
            color: var(--qmh-text-muted);
            font-size: 15px;
            line-height: 1.8;
            margin: 0;
        }
        .cta-btn-row {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }
        .btn-qmh {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 24px;
            font-size: 14px;
            font-weight: 700;
            letter-spacing: 0.02em;
            border-radius: var(--qmh-radius);
            border: none;
            cursor: pointer;
            transition: var(--qmh-transition);
            text-decoration: none;
            font-family: var(--qmh-font-sans);
        }
        .btn-qmh:focus-visible {
            outline: 2px solid var(--qmh-primary);
            outline-offset: 2px;
        }
        .btn-qmh-primary {
            background: var(--qmh-primary);
            color: #0A0C10;
        }
        .btn-qmh-primary:hover {
            background: var(--qmh-primary-dark);
            color: #0A0C10;
            transform: translateY(-2px);
            box-shadow: 0 6px 24px rgba(200, 255, 0, 0.22);
        }
        .btn-qmh-ghost {
            background: transparent;
            color: var(--qmh-accent);
            border: 1px solid rgba(223, 231, 235, 0.25);
        }
        .btn-qmh-ghost:hover {
            border-color: var(--qmh-primary);
            color: var(--qmh-primary);
            transform: translateY(-2px);
        }
        .btn-qmh-sm {
            padding: 8px 16px;
            font-size: 12.5px;
            border-radius: var(--qmh-radius-sm);
        }
        @media (max-width: 991px) {
            .cta-inline-section {
                grid-template-columns: 1fr;
                padding: 32px 24px;
                gap: 24px;
            }
            .cta-inline-section h3 {
                font-size: 22px;
            }
        }

        /* ========== Sticky Bottom CTA ========== */
        .sticky-bottom-cta {
            position: fixed;
            bottom: var(--qmh-bottom-tab-height);
            left: 0;
            right: 0;
            z-index: 1030;
            background: var(--qmh-surface-2);
            border-top: 1px solid var(--qmh-border);
            height: var(--qmh-bottom-cta-height);
            display: flex;
            align-items: center;
        }
        .sticky-bottom-cta .container-qmh {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }
        .sticky-bottom-cta .cta-text {
            font-size: 14px;
            font-weight: 600;
            color: var(--qmh-text);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .sticky-bottom-cta .cta-form {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .cta-form input {
            background: var(--qmh-bg);
            border: none;
            border-bottom: 1px solid #2A2E33;
            color: var(--qmh-text);
            padding: 8px 12px;
            font-size: 13px;
            width: 220px;
            border-radius: var(--qmh-radius-sm);
            transition: var(--qmh-transition);
            font-family: var(--qmh-font-sans);
        }
        .cta-form input:focus {
            outline: none;
            border-bottom-color: var(--qmh-primary);
        }
        .cta-form input::placeholder {
            color: var(--qmh-text-dim);
        }
        @media (max-width: 768px) {
            .sticky-bottom-cta {
                bottom: var(--qmh-bottom-tab-height);
            }
            .sticky-bottom-cta .cta-text {
                display: none;
            }
            .sticky-bottom-cta .cta-form {
                width: 100%;
            }
            .cta-form input {
                flex: 1;
                width: auto;
            }
        }
        @media (min-width: 769px) {
            .sticky-bottom-cta {
                bottom: 0;
            }
        }

        /* ========== Mobile Bottom Tab Nav ========== */
        .mobile-tab-nav {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1031;
            background: rgba(10, 12, 16, 0.97);
            border-top: 1px solid var(--qmh-border);
            height: var(--qmh-bottom-tab-height);
            display: none;
            align-items: center;
            justify-content: space-around;
            padding: 4px 8px;
        }
        .mobile-tab-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 2px;
            color: var(--qmh-text-muted);
            font-size: 10px;
            font-weight: 500;
            text-decoration: none;
            transition: var(--qmh-transition);
            padding: 4px 10px;
            border-radius: var(--qmh-radius-sm);
            letter-spacing: 0.03em;
        }
        .mobile-tab-item svg {
            width: 20px;
            height: 20px;
            fill: none;
            stroke: currentColor;
            stroke-width: 1.8;
        }
        .mobile-tab-item.active {
            color: var(--qmh-primary);
        }
        .mobile-tab-item:hover,
        .mobile-tab-item:focus {
            color: var(--qmh-primary);
            background: rgba(200, 255, 0, 0.05);
        }
        @media (max-width: 768px) {
            .mobile-tab-nav {
                display: flex;
            }
        }

        /* ========== Footer ========== */
        .qmh-footer {
            background: #080A0D;
            border-top: 1px solid var(--qmh-border);
            padding: 56px 0 32px;
            margin-bottom: 0;
        }
        .qmh-footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }
        .qmh-footer-brand .qmh-logo {
            margin-bottom: 14px;
        }
        .qmh-footer-desc {
            color: var(--qmh-text-muted);
            font-size: 13.5px;
            line-height: 1.8;
            max-width: 360px;
        }
        .qmh-footer h5 {
            font-size: 14px;
            font-weight: 700;
            color: var(--qmh-text);
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }
        .qmh-footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .qmh-footer-links li {
            margin-bottom: 8px;
        }
        .qmh-footer-links a {
            color: var(--qmh-text-muted);
            font-size: 13.5px;
            transition: var(--qmh-transition);
        }
        .qmh-footer-links a:hover {
            color: var(--qmh-primary);
        }
        .qmh-footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            border-top: 1px solid var(--qmh-border);
            padding-top: 20px;
            font-size: 12.5px;
            color: var(--qmh-text-dim);
        }
        .qmh-footer-bottom a {
            color: var(--qmh-text-dim);
        }
        .qmh-footer-bottom a:hover {
            color: var(--qmh-primary);
        }
        .qmh-footer-beian {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        @media (max-width: 991px) {
            .qmh-footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 28px;
            }
        }
        @media (max-width: 576px) {
            .qmh-footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .qmh-footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .qmh-footer-beian {
                flex-direction: column;
                gap: 6px;
            }
        }

        /* ========== Animations ========== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .fade-in-up {
            animation: fadeInUp 0.6s ease forwards;
        }
        .delay-1 { animation-delay: 0.1s; }
        .delay-2 { animation-delay: 0.2s; }
        .delay-3 { animation-delay: 0.3s; }
        .delay-4 { animation-delay: 0.4s; }
        .opacity-0 {
            opacity: 0;
        }

        /* ========== Responsive Grid Overrides ========== */
        @media (max-width: 576px) {
            .section-title {
                font-size: 24px;
            }
            .section-subtitle {
                font-size: 13.5px;
                margin-bottom: 24px;
            }
            .depth-block,
            .depth-block.reverse {
                gap: 18px;
            }
            .depth-image img {
                height: 190px;
            }
        }

/* roulang page: category1 */
:root {
            --qmh-bg: #0A0C10;
            --qmh-surface: #14171E;
            --qmh-surface-2: #1A1F28;
            --qmh-primary: #C8FF00;
            --qmh-primary-dark: #A8D600;
            --qmh-accent: #DFE7EB;
            --qmh-danger: #FF3D2E;
            --qmh-text: #E8ECEF;
            --qmh-text-muted: #9BA3AF;
            --qmh-text-dim: #6B7280;
            --qmh-border: rgba(223, 231, 235, 0.08);
            --qmh-border-hover: rgba(200, 255, 0, 0.6);
            --qmh-radius: 6px;
            --qmh-radius-sm: 4px;
            --qmh-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
            --qmh-shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.55);
            --qmh-font-sans: 'Inter', 'SF Pro Display', 'HarmonyOS Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --qmh-font-mono: 'SF Mono', 'JetBrains Mono', 'Roboto Mono', 'Consolas', monospace;
            --qmh-transition: all .25s cubic-bezier(0.4, 0, 0.2, 1);
            --qmh-section-pad: 88px 0;
            --qmh-section-pad-mobile: 44px 0;
            --qmh-gap: 24px;
            --qmh-nav-height: 68px;
            --qmh-bottom-cta-height: 64px;
            --qmh-bottom-tab-height: 58px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--qmh-font-sans);
            background-color: var(--qmh-bg);
            color: var(--qmh-text);
            line-height: 1.75;
            font-size: 15px;
            overflow-x: hidden;
            padding-bottom: calc(var(--qmh-bottom-cta-height) + var(--qmh-bottom-tab-height));
        }

        @media (min-width: 769px) {
            body {
                padding-bottom: var(--qmh-bottom-cta-height);
                font-size: 15px;
            }
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--qmh-accent);
            text-decoration: none;
            transition: var(--qmh-transition);
        }

        a:hover,
        a:focus {
            color: var(--qmh-primary);
            text-decoration: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--qmh-primary);
            outline-offset: 2px;
        }

        .container-qmh {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        @media (min-width: 576px) {
            .container-qmh {
                padding-left: 28px;
                padding-right: 28px;
            }
        }

        @media (min-width: 992px) {
            .container-qmh {
                padding-left: 36px;
                padding-right: 36px;
            }
        }

        .section-qmh {
            padding: var(--qmh-section-pad);
            position: relative;
        }

        @media (max-width: 767px) {
            .section-qmh {
                padding: var(--qmh-section-pad-mobile);
            }
        }

        .section-qmh--alt {
            background-color: #F4F6F8;
            color: #1A1F28;
        }

        .section-qmh--alt h2,
        .section-qmh--alt h3,
        .section-qmh--alt p {
            color: #1A1F28;
        }

        .section-label {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--qmh-primary);
            margin-bottom: 14px;
            position: relative;
            padding-left: 16px;
        }

        .section-label::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 6px;
            height: 6px;
            background: var(--qmh-primary);
            border-radius: 50%;
        }

        .section-qmh--alt .section-label {
            color: #1A1F28;
        }

        .section-qmh--alt .section-label::before {
            background: #1A1F28;
        }

        .section-title {
            font-size: 36px;
            font-weight: 800;
            letter-spacing: -0.03em;
            margin-bottom: 12px;
            font-variant-numeric: tabular-nums;
        }

        @media (max-width: 767px) {
            .section-title {
                font-size: 24px;
            }
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--qmh-text-muted);
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: 40px;
        }

        .section-qmh--alt .section-subtitle {
            color: #5A6470;
        }

        /* ========== Top Navigation ========== */
        .qmh-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            height: var(--qmh-nav-height);
            background: rgba(10, 12, 16, 0.92);
            border-bottom: 1px solid rgba(223, 231, 235, 0.06);
            transition: background .35s ease, border-color .35s ease, box-shadow .35s ease;
        }

        .qmh-header.scrolled {
            background: rgba(10, 12, 16, 0.97);
            border-bottom-color: rgba(223, 231, 235, 0.1);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
        }

        .qmh-header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--qmh-nav-height);
            gap: 20px;
        }

        .qmh-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            text-decoration: none;
            color: var(--qmh-text);
            font-weight: 800;
            font-size: 20px;
            letter-spacing: -0.02em;
        }

        .qmh-logo:hover {
            color: var(--qmh-primary);
        }

        .qmh-logo-icon {
            width: 32px;
            height: 32px;
            background: var(--qmh-primary);
            border-radius: var(--qmh-radius-sm);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .qmh-logo-icon svg {
            width: 18px;
            height: 18px;
            fill: none;
            stroke: #0A0C10;
            stroke-width: 2;
        }

        .qmh-logo-text {
            font-weight: 800;
            font-size: 20px;
            letter-spacing: -0.02em;
            color: var(--qmh-text);
            white-space: nowrap;
        }

        .qmh-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
        }

        .qmh-nav-item {
            margin: 0;
        }

        .qmh-nav-link {
            display: inline-block;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--qmh-text-muted);
            position: relative;
            border-radius: var(--qmh-radius-sm);
            transition: var(--qmh-transition);
            white-space: nowrap;
        }

        .qmh-nav-link::after {
            content: '';
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 2px;
            height: 2px;
            background: transparent;
            transition: var(--qmh-transition);
        }

        .qmh-nav-link:hover,
        .qmh-nav-link:focus {
            color: var(--qmh-text);
        }

        .qmh-nav-link.active {
            color: var(--qmh-primary);
        }

        .qmh-nav-link.active::after {
            background: var(--qmh-primary);
        }

        @media (max-width: 991px) {
            .qmh-nav {
                gap: 2px;
            }
            .qmh-nav-link {
                padding: 8px 10px;
                font-size: 13px;
            }
        }

        @media (max-width: 767px) {
            .qmh-nav {
                display: none;
            }
            .qmh-header-inner {
                justify-content: center;
            }
        }

        /* ========== Hero Lite ========== */
        .qmh-hero-lite {
            position: relative;
            min-height: 300px;
            background-color: var(--qmh-bg);
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: center;
            padding-top: var(--qmh-nav-height);
            overflow: hidden;
            border-bottom: 1px solid var(--qmh-border);
        }

        .qmh-hero-lite::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(10, 12, 16, 0.92) 0%, rgba(10, 12, 16, 0.78) 55%, rgba(10, 12, 16, 0.9) 100%);
            z-index: 1;
        }

        .qmh-hero-lite .container-qmh {
            position: relative;
            z-index: 2;
        }

        .qmh-breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--qmh-text-muted);
            margin-bottom: 18px;
            flex-wrap: wrap;
        }

        .qmh-breadcrumb-custom a {
            color: var(--qmh-text-muted);
        }

        .qmh-breadcrumb-custom a:hover {
            color: var(--qmh-primary);
        }

        .qmh-breadcrumb-sep {
            color: var(--qmh-text-dim);
        }

        .qmh-hero-lite-title {
            font-size: 42px;
            font-weight: 800;
            letter-spacing: -0.03em;
            color: #fff;
            margin-bottom: 8px;
            font-variant-numeric: tabular-nums;
        }

        .qmh-hero-lite-desc {
            font-size: 15px;
            color: rgba(223, 231, 235, 0.75);
            max-width: 560px;
            line-height: 1.7;
        }

        @media (max-width: 767px) {
            .qmh-hero-lite {
                min-height: 240px;
            }
            .qmh-hero-lite-title {
                font-size: 28px;
            }
            .qmh-hero-lite-desc {
                font-size: 14px;
            }
        }

        /* ========== Stats Cards ========== */
        .stat-card {
            background: var(--qmh-surface);
            border: 1px solid var(--qmh-border);
            border-radius: var(--qmh-radius);
            padding: 24px;
            height: 100%;
            transition: var(--qmh-transition);
            position: relative;
        }

        .stat-card:hover {
            border-color: var(--qmh-border-hover);
            transform: translateY(-3px);
            box-shadow: var(--qmh-shadow);
        }

        .stat-card-label {
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--qmh-text-dim);
            margin-bottom: 10px;
        }

        .stat-card-value {
            font-size: 40px;
            font-weight: 800;
            letter-spacing: -0.02em;
            font-variant-numeric: tabular-nums;
            color: var(--qmh-text);
            line-height: 1.2;
        }

        .stat-card-change {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            margin-top: 8px;
            padding: 2px 8px;
            border-radius: var(--qmh-radius-sm);
        }

        .stat-card-change.up {
            color: var(--qmh-primary);
            background: rgba(200, 255, 0, 0.08);
        }

        .stat-card-change.down {
            color: var(--qmh-danger);
            background: rgba(255, 61, 46, 0.08);
        }

        /* ========== Table Styles ========== */
        .qmh-table-wrapper {
            background: var(--qmh-surface);
            border: 1px solid var(--qmh-border);
            border-radius: var(--qmh-radius);
            overflow: hidden;
            margin-bottom: 32px;
        }

        .qmh-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
            margin: 0;
        }

        .qmh-table thead th {
            background: var(--qmh-surface-2);
            color: var(--qmh-text-dim);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            padding: 14px 18px;
            text-align: right;
            border-bottom: 1px solid var(--qmh-border);
            white-space: nowrap;
        }

        .qmh-table thead th:first-child {
            text-align: left;
        }

        .qmh-table tbody td {
            padding: 16px 18px;
            text-align: right;
            border-bottom: 1px solid rgba(223, 231, 235, 0.04);
            font-variant-numeric: tabular-nums;
            color: var(--qmh-text);
            white-space: nowrap;
        }

        .qmh-table tbody td:first-child {
            text-align: left;
            font-weight: 600;
            color: var(--qmh-text);
        }

        .qmh-table tbody tr:hover td {
            background: rgba(200, 255, 0, 0.04);
        }

        .qmh-table tbody tr:last-child td {
            border-bottom: none;
        }

        .rank-badge {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            font-size: 13px;
            font-weight: 700;
            font-variant-numeric: tabular-nums;
            flex-shrink: 0;
        }

        .rank-badge.top1 {
            background: rgba(200, 255, 0, 0.15);
            color: var(--qmh-primary);
        }

        .rank-badge.top2 {
            background: rgba(223, 231, 235, 0.12);
            color: var(--qmh-accent);
        }

        .rank-badge.top3 {
            background: rgba(255, 141, 46, 0.15);
            color: #FF8D2E;
        }

        .rank-badge.normal {
            background: rgba(223, 231, 235, 0.06);
            color: var(--qmh-text-muted);
        }

        .rank-change-up {
            color: var(--qmh-primary);
            font-size: 12px;
            font-weight: 600;
        }

        .rank-change-down {
            color: var(--qmh-danger);
            font-size: 12px;
            font-weight: 600;
        }

        .rank-change-flat {
            color: var(--qmh-text-dim);
            font-size: 12px;
        }

        /* ========== Progress Bars ========== */
        .qmh-progress {
            background: rgba(223, 231, 235, 0.06);
            border-radius: 10px;
            height: 8px;
            overflow: hidden;
            min-width: 120px;
            position: relative;
        }

        .qmh-progress-bar {
            height: 100%;
            border-radius: 10px;
            background: var(--qmh-primary);
            transition: width .8s cubic-bezier(0.4, 0, 0.2, 1);
            position: relative;
        }

        .qmh-progress-bar.accent {
            background: var(--qmh-accent);
        }

        .qmh-progress-bar.danger {
            background: var(--qmh-danger);
        }

        .progress-cell {
            display: flex;
            align-items: center;
            gap: 12px;
            justify-content: flex-end;
        }

        .progress-value {
            font-size: 13px;
            font-weight: 700;
            font-variant-numeric: tabular-nums;
            color: var(--qmh-text);
            min-width: 42px;
            text-align: right;
        }

        /* ========== Team Name ========== */
        .team-name {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 600;
            color: var(--qmh-text);
            white-space: nowrap;
        }

        .team-dot {
            width: 10px;
            height: 10px;
            border-radius: 50%;
            flex-shrink: 0;
        }

        /* ========== Card UI ========== */
        .card-ui {
            background: var(--qmh-surface);
            border: 1px solid var(--qmh-border);
            border-radius: var(--qmh-radius);
            padding: 24px;
            height: 100%;
            transition: var(--qmh-transition);
        }

        .card-ui:hover {
            border-color: var(--qmh-border-hover);
            transform: translateY(-3px);
            box-shadow: var(--qmh-shadow);
        }

        .card-ui h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--qmh-text);
        }

        .card-ui p {
            font-size: 14px;
            color: var(--qmh-text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ========== Buttons ========== */
        .btn-qmh {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--qmh-primary);
            color: #0A0C10;
            font-weight: 700;
            font-size: 14px;
            padding: 12px 24px;
            border: none;
            border-radius: var(--qmh-radius);
            transition: var(--qmh-transition);
            cursor: pointer;
            text-decoration: none;
            font-family: var(--qmh-font-sans);
            white-space: nowrap;
        }

        .btn-qmh:hover,
        .btn-qmh:focus {
            background: var(--qmh-primary-dark);
            color: #0A0C10;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(200, 255, 0, 0.25);
        }

        .btn-qmh:active {
            transform: translateY(0);
        }

        .btn-qmh-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--qmh-accent);
            font-weight: 600;
            font-size: 14px;
            padding: 12px 24px;
            border: 1px solid rgba(223, 231, 235, 0.25);
            border-radius: var(--qmh-radius);
            transition: var(--qmh-transition);
            cursor: pointer;
            text-decoration: none;
            font-family: var(--qmh-font-sans);
            white-space: nowrap;
        }

        .btn-qmh-ghost:hover,
        .btn-qmh-ghost:focus {
            border-color: var(--qmh-primary);
            color: var(--qmh-primary);
            transform: translateY(-2px);
        }

        /* ========== FAQ ========== */
        .qmh-faq-item {
            background: var(--qmh-surface);
            border: 1px solid var(--qmh-border);
            border-radius: var(--qmh-radius);
            margin-bottom: 14px;
            overflow: hidden;
            transition: var(--qmh-transition);
        }

        .qmh-faq-item:hover {
            border-color: rgba(223, 231, 235, 0.2);
        }

        .qmh-faq-question {
            padding: 18px 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            cursor: pointer;
            font-weight: 600;
            font-size: 15px;
            color: var(--qmh-text);
            gap: 16px;
            user-select: none;
        }

        .qmh-faq-question::after {
            content: '+';
            font-size: 22px;
            font-weight: 400;
            color: var(--qmh-text-dim);
            flex-shrink: 0;
            transition: var(--qmh-transition);
        }

        .qmh-faq-item.open .qmh-faq-question::after {
            content: '\2212';
            color: var(--qmh-primary);
        }

        .qmh-faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease;
        }

        .qmh-faq-answer-inner {
            padding: 0 24px 20px 24px;
            font-size: 14px;
            color: var(--qmh-text-muted);
            line-height: 1.8;
        }

        /* ========== Footer ========== */
        .qmh-footer {
            background: #07080B;
            border-top: 1px solid var(--qmh-border);
            padding: 56px 0 32px;
            color: var(--qmh-text-muted);
            font-size: 14px;
        }

        .qmh-footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        @media (max-width: 767px) {
            .qmh-footer-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
        }

        .qmh-footer h5 {
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--qmh-text);
            margin-bottom: 16px;
        }

        .qmh-footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .qmh-footer-links li {
            margin-bottom: 10px;
        }

        .qmh-footer-links a {
            color: var(--qmh-text-muted);
            font-size: 14px;
        }

        .qmh-footer-links a:hover {
            color: var(--qmh-primary);
        }

        .qmh-footer-desc {
            font-size: 14px;
            color: var(--qmh-text-muted);
            line-height: 1.8;
            margin: 14px 0 0;
            max-width: 420px;
        }

        .qmh-footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding-top: 24px;
            border-top: 1px solid rgba(223, 231, 235, 0.05);
            font-size: 13px;
            color: var(--qmh-text-dim);
        }

        .qmh-footer-beian {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            font-size: 13px;
            color: var(--qmh-text-dim);
        }

        .qmh-footer-bottom a {
            color: var(--qmh-text-dim);
        }

        .qmh-footer-bottom a:hover {
            color: var(--qmh-primary);
        }

        /* ========== Sticky Bottom CTA ========== */
        .qmh-bottom-cta {
            position: fixed;
            bottom: var(--qmh-bottom-tab-height);
            left: 0;
            right: 0;
            z-index: 1030;
            background: var(--qmh-primary);
            height: var(--qmh-bottom-cta-height);
            display: flex;
            align-items: center;
            box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.3);
        }

        @media (min-width: 769px) {
            .qmh-bottom-cta {
                bottom: 0;
            }
        }

        .qmh-bottom-cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
        }

        .qmh-bottom-cta-text {
            font-weight: 700;
            font-size: 15px;
            color: #0A0C10;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .qmh-bottom-cta-form {
            display: flex;
            align-items: center;
            gap: 10px;
            flex: 1;
            max-width: 480px;
            min-width: 220px;
        }

        .qmh-bottom-cta-input {
            flex: 1;
            background: rgba(10, 12, 16, 0.08);
            border: 1px solid rgba(10, 12, 16, 0.25);
            border-radius: var(--qmh-radius-sm);
            padding: 10px 16px;
            font-size: 14px;
            color: #0A0C10;
            font-family: var(--qmh-font-sans);
            outline: none;
            transition: var(--qmh-transition);
            min-width: 120px;
        }

        .qmh-bottom-cta-input:focus {
            border-color: #0A0C10;
            background: rgba(10, 12, 16, 0.12);
        }

        .qmh-bottom-cta-input::placeholder {
            color: rgba(10, 12, 16, 0.5);
        }

        .btn-qmh-bottom {
            background: #0A0C10;
            color: var(--qmh-primary);
            font-weight: 700;
            font-size: 14px;
            padding: 10px 20px;
            border: none;
            border-radius: var(--qmh-radius-sm);
            cursor: pointer;
            white-space: nowrap;
            transition: var(--qmh-transition);
            font-family: var(--qmh-font-sans);
        }

        .btn-qmh-bottom:hover {
            background: #1A1F28;
            color: var(--qmh-primary);
        }

        @media (max-width: 575px) {
            .qmh-bottom-cta-text {
                font-size: 13px;
            }
            .qmh-bottom-cta-input {
                padding: 8px 12px;
                font-size: 13px;
            }
            .btn-qmh-bottom {
                padding: 8px 14px;
                font-size: 13px;
            }
        }

        /* ========== Mobile Bottom Tab Nav ========== */
        .qmh-tab-nav {
            display: none;
        }

        @media (max-width: 767px) {
            .qmh-tab-nav {
                display: flex;
                position: fixed;
                bottom: 0;
                left: 0;
                right: 0;
                z-index: 1040;
                height: var(--qmh-bottom-tab-height);
                background: rgba(10, 12, 16, 0.97);
                border-top: 1px solid rgba(223, 231, 235, 0.08);
                align-items: center;
                justify-content: space-around;
                padding: 0 8px;
            }

            .qmh-tab-nav-item {
                display: flex;
                flex-direction: column;
                align-items: center;
                justify-content: center;
                gap: 4px;
                min-width: 56px;
                color: var(--qmh-text-muted);
                font-size: 11px;
                font-weight: 500;
                text-decoration: none;
                transition: var(--qmh-transition);
                padding: 4px 6px;
                border-radius: var(--qmh-radius-sm);
            }

            .qmh-tab-nav-item svg {
                width: 20px;
                height: 20px;
                fill: none;
                stroke: currentColor;
                stroke-width: 1.8;
                stroke-linecap: round;
                stroke-linejoin: round;
            }

            .qmh-tab-nav-item.active {
                color: var(--qmh-primary);
            }

            .qmh-tab-nav-item:hover,
            .qmh-tab-nav-item:focus {
                color: var(--qmh-primary);
            }
        }

        /* ========== Animations ========== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .fade-in-up {
            animation: fadeInUp .6s cubic-bezier(0.4, 0, 0.2, 1) both;
        }

        .fade-in-up-delay-1 {
            animation-delay: .12s;
        }

        .fade-in-up-delay-2 {
            animation-delay: .24s;
        }

        .fade-in-up-delay-3 {
            animation-delay: .36s;
        }

        /* ========== Insight Text ========== */
        .data-insight-text {
            font-size: 15px;
            color: var(--qmh-text-muted);
            line-height: 1.9;
        }

        .data-insight-text strong {
            color: var(--qmh-text);
            font-weight: 700;
        }

        .data-insight-text .highlight {
            color: var(--qmh-primary);
            font-weight: 600;
        }

        .data-callout {
            background: rgba(200, 255, 0, 0.05);
            border-left: 3px solid var(--qmh-primary);
            padding: 18px 24px;
            border-radius: 0 var(--qmh-radius) var(--qmh-radius) 0;
            margin: 20px 0;
            font-size: 14px;
            color: var(--qmh-text);
            line-height: 1.8;
        }

        /* ========== Section Compact ========== */
        .section-qmh--compact {
            padding: 56px 0;
        }

        @media (max-width: 767px) {
            .section-qmh--compact {
                padding: 32px 0;
            }
        }

        /* ========== Image Card ========== */
        .qmh-img-card {
            position: relative;
            border-radius: var(--qmh-radius);
            overflow: hidden;
            border: 1px solid var(--qmh-border);
            transition: var(--qmh-transition);
        }

        .qmh-img-card:hover {
            border-color: var(--qmh-border-hover);
            box-shadow: var(--qmh-shadow);
        }

        .qmh-img-card img {
            width: 100%;
            height: 240px;
            object-fit: cover;
        }

        .qmh-img-card-body {
            padding: 18px 20px;
            background: var(--qmh-surface);
        }

        .qmh-img-card-body h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--qmh-text);
        }

        .qmh-img-card-body p {
            font-size: 13px;
            color: var(--qmh-text-muted);
            margin-bottom: 0;
            line-height: 1.7;
        }

        /* ========== Table Responsive ========== */
        .table-responsive-qmh {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
        }

        .table-responsive-qmh::-webkit-scrollbar {
            height: 6px;
        }

        .table-responsive-qmh::-webkit-scrollbar-track {
            background: rgba(223, 231, 235, 0.04);
        }

        .table-responsive-qmh::-webkit-scrollbar-thumb {
            background: rgba(223, 231, 235, 0.15);
            border-radius: 3px;
        }

        /* ========== Grid Gap ========== */
        .g-24 {
            gap: 24px;
        }

        /* ========== Bootstrap Overrides ========== */
        .btn-primary {
            display: none;
        }

/* roulang page: category4 */
:root {
            --qmh-bg: #0A0C10;
            --qmh-surface: #14171E;
            --qmh-surface-2: #1A1F28;
            --qmh-primary: #C8FF00;
            --qmh-primary-dark: #A8D600;
            --qmh-accent: #DFE7EB;
            --qmh-danger: #FF3D2E;
            --qmh-text: #E8ECEF;
            --qmh-text-muted: #9BA3AF;
            --qmh-text-dim: #6B7280;
            --qmh-border: rgba(223, 231, 235, 0.08);
            --qmh-border-hover: rgba(200, 255, 0, 0.6);
            --qmh-radius: 6px;
            --qmh-radius-sm: 4px;
            --qmh-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
            --qmh-shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.55);
            --qmh-font-sans: 'Inter', 'SF Pro Display', 'HarmonyOS Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --qmh-font-mono: 'SF Mono', 'JetBrains Mono', 'Roboto Mono', 'Consolas', monospace;
            --qmh-transition: all .25s cubic-bezier(0.4, 0, 0.2, 1);
            --qmh-section-pad: 88px 0;
            --qmh-section-pad-mobile: 44px 0;
            --qmh-gap: 24px;
            --qmh-nav-height: 68px;
            --qmh-bottom-cta-height: 64px;
            --qmh-bottom-tab-height: 58px;
        }

        * {
            box-sizing: border-box;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--qmh-font-sans);
            background-color: var(--qmh-bg);
            color: var(--qmh-text);
            line-height: 1.75;
            font-size: 15px;
            overflow-x: hidden;
            padding-bottom: calc(var(--qmh-bottom-cta-height) + var(--qmh-bottom-tab-height));
        }

        @media (min-width: 769px) {
            body {
                padding-bottom: var(--qmh-bottom-cta-height);
                font-size: 15px;
            }
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--qmh-accent);
            text-decoration: none;
            transition: var(--qmh-transition);
        }

        a:hover,
        a:focus {
            color: var(--qmh-primary);
            text-decoration: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--qmh-primary);
            outline-offset: 2px;
        }

        .container-qmh {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        @media (min-width: 576px) {
            .container-qmh {
                padding-left: 28px;
                padding-right: 28px;
            }
        }

        @media (min-width: 992px) {
            .container-qmh {
                padding-left: 36px;
                padding-right: 36px;
            }
        }

        .section-qmh {
            padding: var(--qmh-section-pad-mobile);
            position: relative;
        }

        @media (min-width: 992px) {
            .section-qmh {
                padding: var(--qmh-section-pad);
            }
        }

        .section-qmh--alt {
            background-color: #F4F6F8;
            color: #1A1F28;
        }

        .section-qmh--alt h2,
        .section-qmh--alt h3,
        .section-qmh--alt p {
            color: #1A1F28;
        }

        .section-label {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--qmh-primary);
            margin-bottom: 14px;
            position: relative;
            padding-left: 16px;
        }

        .section-label::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 6px;
            height: 6px;
            background: var(--qmh-primary);
            border-radius: 50%;
        }

        .section-title {
            font-size: 26px;
            font-weight: 800;
            letter-spacing: -0.03em;
            margin-bottom: 12px;
            font-variant-numeric: tabular-nums;
        }

        @media (min-width: 992px) {
            .section-title {
                font-size: 36px;
            }
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--qmh-text-muted);
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: 40px;
        }

        .section-qmh--alt .section-subtitle {
            color: #5A6470;
        }

        /* Top Navigation */
        .qmh-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            height: var(--qmh-nav-height);
            background: rgba(10, 12, 16, 0.92);
            border-bottom: 1px solid rgba(223, 231, 235, 0.06);
            transition: background .35s ease, border-color .35s ease, box-shadow .35s ease;
        }

        .qmh-header.scrolled {
            background: rgba(10, 12, 16, 0.97);
            border-bottom-color: rgba(223, 231, 235, 0.1);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
        }

        .qmh-header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--qmh-nav-height);
            gap: 20px;
        }

        .qmh-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            text-decoration: none;
            color: var(--qmh-text);
            font-weight: 800;
            font-size: 20px;
            letter-spacing: -0.02em;
        }

        .qmh-logo:hover {
            color: var(--qmh-primary);
        }

        .qmh-logo-icon {
            width: 32px;
            height: 32px;
            background: var(--qmh-primary);
            border-radius: var(--qmh-radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .qmh-logo-icon svg {
            width: 18px;
            height: 18px;
            fill: none;
            stroke: #0A0C10;
            stroke-width: 2;
        }

        .qmh-nav {
            display: none;
            align-items: center;
            gap: 8px;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        @media (min-width: 992px) {
            .qmh-nav {
                display: flex;
            }
        }

        .qmh-nav-item {
            margin: 0;
        }

        .qmh-nav-link {
            display: inline-block;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 600;
            color: var(--qmh-text-muted);
            border-radius: var(--qmh-radius-sm);
            position: relative;
            transition: var(--qmh-transition);
            white-space: nowrap;
        }

        .qmh-nav-link:hover,
        .qmh-nav-link:focus {
            color: var(--qmh-primary);
        }

        .qmh-nav-link.active {
            color: var(--qmh-primary);
        }

        .qmh-nav-link.active::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 14px;
            right: 14px;
            height: 1px;
            background: var(--qmh-primary);
        }

        /* Bottom Tab Navigation */
        .qmh-bottom-tab {
            display: flex;
            position: fixed;
            bottom: var(--qmh-bottom-cta-height);
            left: 0;
            right: 0;
            z-index: 1035;
            background: rgba(10, 12, 16, 0.97);
            border-top: 1px solid rgba(223, 231, 235, 0.08);
            height: var(--qmh-bottom-tab-height);
            align-items: stretch;
            justify-content: space-around;
        }

        @media (min-width: 769px) {
            .qmh-bottom-tab {
                display: none;
            }
        }

        .qmh-bottom-tab-link {
            flex: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 3px;
            font-size: 10px;
            color: var(--qmh-text-muted);
            text-decoration: none;
            transition: var(--qmh-transition);
        }

        .qmh-bottom-tab-link:hover,
        .qmh-bottom-tab-link.active {
            color: var(--qmh-primary);
        }

        .qmh-bottom-tab-link svg {
            width: 20px;
            height: 20px;
            fill: none;
            stroke: currentColor;
            stroke-width: 1.8;
        }

        /* Buttons */
        .btn-qmh {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--qmh-primary);
            color: #0A0C10;
            font-weight: 700;
            font-size: 14px;
            padding: 12px 24px;
            border: none;
            border-radius: var(--qmh-radius);
            cursor: pointer;
            transition: var(--qmh-transition);
            text-decoration: none;
            line-height: 1.4;
        }

        .btn-qmh:hover,
        .btn-qmh:focus {
            background: var(--qmh-primary-dark);
            color: #0A0C10;
            transform: translateY(-2px);
        }

        .btn-qmh-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--qmh-accent);
            font-weight: 600;
            font-size: 14px;
            padding: 12px 24px;
            border: 1px solid rgba(223, 231, 235, 0.3);
            border-radius: var(--qmh-radius);
            cursor: pointer;
            transition: var(--qmh-transition);
            text-decoration: none;
            line-height: 1.4;
        }

        .btn-qmh-ghost:hover,
        .btn-qmh-ghost:focus {
            border-color: var(--qmh-primary);
            color: var(--qmh-primary);
            transform: translateY(-2px);
        }

        /* Cards */
        .card-ui {
            background: var(--qmh-surface);
            border: 1px solid var(--qmh-border);
            border-radius: var(--qmh-radius);
            padding: 24px;
            transition: var(--qmh-transition);
            height: 100%;
        }

        .card-ui:hover {
            border-color: var(--qmh-border-hover);
            transform: translateY(-3px);
            box-shadow: var(--qmh-shadow);
        }

        /* Hero Lite */
        .hero-lite {
            padding-top: calc(var(--qmh-nav-height) + 56px);
            padding-bottom: 40px;
            background: linear-gradient(to bottom, rgba(10, 12, 16, 0.85), rgba(10, 12, 16, 0.95)), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            position: relative;
            min-height: 280px;
            display: flex;
            align-items: center;
        }

        .hero-lite::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: rgba(223, 231, 235, 0.08);
        }

        .breadcrumb-qmh {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--qmh-text-muted);
            margin-bottom: 12px;
            flex-wrap: wrap;
        }

        .breadcrumb-qmh a {
            color: var(--qmh-text-muted);
        }

        .breadcrumb-qmh a:hover {
            color: var(--qmh-primary);
        }

        .breadcrumb-qmh .sep {
            color: var(--qmh-text-dim);
        }

        .hero-lite-title {
            font-size: 32px;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 8px;
            font-variant-numeric: tabular-nums;
        }

        @media (min-width: 992px) {
            .hero-lite-title {
                font-size: 44px;
            }
        }

        .hero-lite-desc {
            font-size: 15px;
            color: var(--qmh-text-muted);
            max-width: 620px;
            line-height: 1.8;
        }

        /* Timeline specific */
        .timeline {
            position: relative;
            padding-left: 32px;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 10px;
            top: 4px;
            bottom: 4px;
            width: 2px;
            background: rgba(223, 231, 235, 0.15);
            border-radius: 1px;
        }

        .timeline-item {
            position: relative;
            padding-bottom: 36px;
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-dot {
            position: absolute;
            left: -32px;
            top: 6px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--qmh-surface);
            border: 2px solid var(--qmh-primary);
            z-index: 1;
        }

        .timeline-dot--muted {
            border-color: var(--qmh-text-dim);
        }

        .timeline-date {
            font-size: 12px;
            font-weight: 700;
            color: var(--qmh-primary);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            font-variant-numeric: tabular-nums;
            margin-bottom: 8px;
        }

        .timeline-item--muted .timeline-date {
            color: var(--qmh-text-dim);
        }

        .timeline-content {
            background: var(--qmh-surface);
            border: 1px solid var(--qmh-border);
            border-radius: var(--qmh-radius);
            padding: 24px;
            transition: var(--qmh-transition);
        }

        .timeline-content:hover {
            border-color: var(--qmh-border-hover);
            transform: translateY(-2px);
            box-shadow: var(--qmh-shadow);
        }

        .timeline-title {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
            line-height: 1.5;
        }

        .timeline-excerpt {
            font-size: 14px;
            color: var(--qmh-text-muted);
            line-height: 1.8;
            margin-bottom: 12px;
        }

        .badge-qmh {
            display: inline-block;
            padding: 4px 10px;
            font-size: 11px;
            font-weight: 600;
            border-radius: var(--qmh-radius-sm);
            background: rgba(200, 255, 0, 0.12);
            color: var(--qmh-primary);
            letter-spacing: 0.04em;
            margin-right: 8px;
        }

        .badge-qmh--neutral {
            background: rgba(223, 231, 235, 0.08);
            color: var(--qmh-text-muted);
        }

        .badge-qmh--alert {
            background: rgba(255, 61, 46, 0.12);
            color: var(--qmh-danger);
        }

        .filter-bar {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }

        .filter-chip {
            padding: 8px 16px;
            font-size: 13px;
            font-weight: 600;
            border: 1px solid var(--qmh-border);
            border-radius: var(--qmh-radius-sm);
            color: var(--qmh-text-muted);
            background: transparent;
            cursor: pointer;
            transition: var(--qmh-transition);
            white-space: nowrap;
        }

        .filter-chip:hover,
        .filter-chip.active {
            border-color: var(--qmh-primary);
            color: var(--qmh-primary);
        }

        /* Deep content block */
        .deep-block {
            display: flex;
            flex-direction: column;
            gap: var(--qmh-gap);
        }

        @media (min-width: 992px) {
            .deep-block {
                flex-direction: row;
                align-items: stretch;
            }
            .deep-block--reverse {
                flex-direction: row-reverse;
            }
        }

        .deep-block-image {
            flex: 0 0 45%;
            border-radius: var(--qmh-radius);
            overflow: hidden;
            border: 1px solid var(--qmh-border);
            min-height: 260px;
        }

        .deep-block-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .deep-block-body {
            flex: 1;
            padding: 8px 0;
        }

        .deep-block-body h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .deep-block-body p {
            font-size: 14px;
            color: var(--qmh-text-muted);
            line-height: 1.85;
            margin-bottom: 12px;
        }

        /* Data quick stats */
        .stat-row {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(140px, 1fr));
            gap: var(--qmh-gap);
            margin-top: 24px;
        }

        .stat-card {
            background: var(--qmh-surface);
            border: 1px solid var(--qmh-border);
            border-radius: var(--qmh-radius);
            padding: 20px;
            text-align: center;
            transition: var(--qmh-transition);
        }

        .stat-card:hover {
            border-color: var(--qmh-border-hover);
            transform: translateY(-2px);
        }

        .stat-value {
            font-size: 28px;
            font-weight: 800;
            font-variant-numeric: tabular-nums;
            color: var(--qmh-primary);
            line-height: 1.2;
        }

        .stat-label {
            font-size: 12px;
            color: var(--qmh-text-muted);
            margin-top: 6px;
        }

        /* FAQ */
        .faq-item {
            background: var(--qmh-surface);
            border: 1px solid var(--qmh-border);
            border-radius: var(--qmh-radius);
            margin-bottom: 12px;
            overflow: hidden;
            transition: var(--qmh-transition);
        }

        .faq-item:hover {
            border-color: var(--qmh-border-hover);
        }

        .faq-question {
            padding: 18px 24px;
            font-weight: 700;
            font-size: 15px;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
            color: var(--qmh-text);
            line-height: 1.5;
        }

        .faq-question::after {
            content: '+';
            font-size: 22px;
            font-weight: 300;
            color: var(--qmh-text-dim);
            transition: var(--qmh-transition);
        }

        .faq-item.open .faq-question::after {
            content: '−';
            color: var(--qmh-primary);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease;
            padding: 0 24px;
            color: var(--qmh-text-muted);
            font-size: 14px;
            line-height: 1.8;
        }

        .faq-item.open .faq-answer {
            max-height: 300px;
            padding-bottom: 18px;
        }

        /* Sticky Bottom CTA */
        .qmh-bottom-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1030;
            height: var(--qmh-bottom-cta-height);
            background: var(--qmh-primary);
            display: flex;
            align-items: center;
            padding: 0 16px;
        }

        @media (max-width: 768px) {
            .qmh-bottom-cta {
                bottom: 0;
            }
            .qmh-bottom-tab {
                bottom: var(--qmh-bottom-cta-height);
            }
        }

        .qmh-bottom-cta-inner {
            display: flex;
            align-items: center;
            gap: 12px;
            width: 100%;
            max-width: 900px;
            margin: 0 auto;
        }

        .qmh-bottom-cta-label {
            font-size: 13px;
            font-weight: 700;
            color: #0A0C10;
            white-space: nowrap;
            flex-shrink: 0;
        }

        .qmh-bottom-cta-input {
            flex: 1;
            background: rgba(10, 12, 16, 0.08);
            border: none;
            border-bottom: 2px solid rgba(10, 12, 16, 0.3);
            padding: 10px 12px;
            font-size: 14px;
            color: #0A0C10;
            border-radius: var(--qmh-radius-sm);
            transition: var(--qmh-transition);
            min-width: 0;
        }

        .qmh-bottom-cta-input:focus {
            outline: none;
            border-bottom-color: #0A0C10;
            background: rgba(10, 12, 16, 0.12);
        }

        .qmh-bottom-cta-btn {
            background: #0A0C10;
            color: var(--qmh-primary);
            border: none;
            padding: 10px 20px;
            font-weight: 700;
            font-size: 14px;
            border-radius: var(--qmh-radius-sm);
            cursor: pointer;
            transition: var(--qmh-transition);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .qmh-bottom-cta-btn:hover {
            background: #1A1F28;
            transform: translateY(-1px);
        }

        /* Footer */
        .qmh-footer {
            background: #07080B;
            border-top: 1px solid var(--qmh-border);
            padding: 48px 0 32px;
            margin-bottom: var(--qmh-bottom-cta-height);
        }

        @media (max-width: 768px) {
            .qmh-footer {
                margin-bottom: calc(var(--qmh-bottom-cta-height) + var(--qmh-bottom-tab-height));
            }
        }

        .qmh-footer-grid {
            display: grid;
            grid-template-columns: 1fr;
            gap: 32px;
        }

        @media (min-width: 768px) {
            .qmh-footer-grid {
                grid-template-columns: 6fr 3fr 3fr;
                gap: 40px;
            }
        }

        .qmh-footer-brand .qmh-logo {
            color: var(--qmh-text);
            margin-bottom: 12px;
        }

        .qmh-footer-desc {
            font-size: 13px;
            color: var(--qmh-text-dim);
            line-height: 1.8;
            max-width: 360px;
        }

        .qmh-footer h5 {
            font-size: 14px;
            font-weight: 700;
            color: var(--qmh-text);
            margin-bottom: 14px;
            letter-spacing: 0.02em;
        }

        .qmh-footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .qmh-footer-links li {
            margin-bottom: 8px;
        }

        .qmh-footer-links a {
            font-size: 13px;
            color: var(--qmh-text-dim);
            transition: var(--qmh-transition);
        }

        .qmh-footer-links a:hover {
            color: var(--qmh-primary);
        }

        .qmh-footer-bottom {
            border-top: 1px solid var(--qmh-border);
            margin-top: 32px;
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            justify-content: space-between;
            align-items: center;
            font-size: 12px;
            color: var(--qmh-text-dim);
        }

        .qmh-footer-beian {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .qmh-footer-bottom a {
            color: var(--qmh-text-dim);
            font-size: 12px;
        }

        .qmh-footer-bottom a:hover {
            color: var(--qmh-primary);
        }

        /* Animation */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .fade-in-up {
            animation: fadeInUp .6s ease forwards;
        }

        /* CTA panel */
        .cta-panel {
            background: var(--qmh-surface-2);
            border: 1px solid var(--qmh-border);
            border-radius: var(--qmh-radius);
            padding: 40px 24px;
            text-align: center;
        }

        @media (min-width: 992px) {
            .cta-panel {
                padding: 56px 48px;
            }
        }

        .cta-panel h3 {
            font-size: 24px;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .cta-panel p {
            color: var(--qmh-text-muted);
            font-size: 14px;
            line-height: 1.8;
            max-width: 520px;
            margin: 0 auto 24px;
        }

/* roulang page: category5 */
:root {
            --qmh-bg: #0A0C10;
            --qmh-surface: #14171E;
            --qmh-surface-2: #1A1F28;
            --qmh-primary: #C8FF00;
            --qmh-primary-dark: #A8D600;
            --qmh-accent: #DFE7EB;
            --qmh-danger: #FF3D2E;
            --qmh-text: #E8ECEF;
            --qmh-text-muted: #9BA3AF;
            --qmh-text-dim: #6B7280;
            --qmh-border: rgba(223, 231, 235, 0.08);
            --qmh-border-hover: rgba(200, 255, 0, 0.6);
            --qmh-radius: 6px;
            --qmh-radius-sm: 4px;
            --qmh-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
            --qmh-shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.55);
            --qmh-font-sans: 'Inter', 'SF Pro Display', 'HarmonyOS Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --qmh-font-mono: 'SF Mono', 'JetBrains Mono', 'Roboto Mono', 'Consolas', monospace;
            --qmh-transition: all .25s cubic-bezier(0.4, 0, 0.2, 1);
            --qmh-section-pad: 88px 0;
            --qmh-section-pad-mobile: 44px 0;
            --qmh-gap: 24px;
            --qmh-nav-height: 68px;
            --qmh-bottom-cta-height: 64px;
            --qmh-bottom-tab-height: 58px;
        }
        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        body {
            font-family: var(--qmh-font-sans);
            background-color: var(--qmh-bg);
            color: var(--qmh-text);
            line-height: 1.75;
            font-size: 15px;
            overflow-x: hidden;
            padding-bottom: calc(var(--qmh-bottom-cta-height) + var(--qmh-bottom-tab-height));
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: var(--qmh-accent);
            text-decoration: none;
            transition: var(--qmh-transition);
        }
        a:hover,
        a:focus {
            color: var(--qmh-primary);
            text-decoration: none;
        }
        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--qmh-primary);
            outline-offset: 2px;
        }
        .container-qmh {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 28px;
            padding-right: 28px;
        }
        .section-qmh {
            padding: var(--qmh-section-pad);
            position: relative;
        }
        .section-qmh--alt {
            background-color: #F4F6F8;
            color: #1A1F28;
        }
        .section-qmh--alt h2,
        .section-qmh--alt h3,
        .section-qmh--alt p {
            color: #1A1F28;
        }
        .section-label {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--qmh-primary);
            margin-bottom: 14px;
            position: relative;
            padding-left: 16px;
        }
        .section-label::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 6px;
            height: 6px;
            background: var(--qmh-primary);
            border-radius: 50%;
        }
        .section-title {
            font-size: 36px;
            font-weight: 800;
            letter-spacing: -0.03em;
            margin-bottom: 12px;
            font-variant-numeric: tabular-nums;
        }
        .section-subtitle {
            font-size: 15px;
            color: var(--qmh-text-muted);
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: 40px;
        }
        .section-qmh--alt .section-subtitle {
            color: #5A6470;
        }

        /* ========== Top Navigation ========== */
        .qmh-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            height: var(--qmh-nav-height);
            background: rgba(10, 12, 16, 0.92);
            border-bottom: 1px solid rgba(223, 231, 235, 0.06);
            transition: background .35s ease, border-color .35s ease, box-shadow .35s ease;
        }
        .qmh-header.scrolled {
            background: rgba(10, 12, 16, 0.97);
            border-bottom-color: rgba(223, 231, 235, 0.1);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
        }
        .qmh-header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--qmh-nav-height);
            gap: 20px;
        }
        .qmh-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            text-decoration: none;
            color: var(--qmh-text);
            font-weight: 800;
            font-size: 20px;
            letter-spacing: -0.02em;
        }
        .qmh-logo:hover {
            color: var(--qmh-primary);
        }
        .qmh-logo-icon {
            width: 32px;
            height: 32px;
            background: var(--qmh-primary);
            border-radius: var(--qmh-radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .qmh-logo-icon svg {
            width: 18px;
            height: 18px;
            fill: none;
            stroke: #0A0C10;
            stroke-width: 2;
        }
        .qmh-logo-text {
            font-size: 20px;
            font-weight: 800;
            letter-spacing: -0.02em;
            white-space: nowrap;
        }
        .qmh-nav {
            display: flex;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 26px;
        }
        .qmh-nav-item {
            margin: 0;
            padding: 0;
        }
        .qmh-nav-link {
            display: inline-block;
            font-size: 14px;
            font-weight: 500;
            color: var(--qmh-text-muted);
            padding: 6px 0;
            position: relative;
            white-space: nowrap;
            transition: var(--qmh-transition);
        }
        .qmh-nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 1px;
            background: var(--qmh-primary);
            transition: width .25s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .qmh-nav-link:hover,
        .qmh-nav-link:focus,
        .qmh-nav-link.active {
            color: var(--qmh-primary);
        }
        .qmh-nav-link:hover::after,
        .qmh-nav-link.active::after {
            width: 100%;
        }

        /* ========== Bottom Tab Navigation ========== */
        .qmh-bottom-tabs {
            display: none;
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1045;
            height: var(--qmh-bottom-tab-height);
            background: rgba(10, 12, 16, 0.97);
            border-top: 1px solid rgba(223, 231, 235, 0.08);
            padding: 0 8px;
            box-shadow: 0 -4px 24px rgba(0, 0, 0, 0.45);
        }
        .qmh-bottom-tabs-inner {
            display: flex;
            align-items: center;
            justify-content: space-around;
            height: 100%;
        }
        .qmh-bottom-tab {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 3px;
            color: var(--qmh-text-muted);
            text-decoration: none;
            font-size: 10px;
            font-weight: 500;
            flex: 1;
            height: 100%;
            transition: var(--qmh-transition);
            border: none;
            background: transparent;
        }
        .qmh-bottom-tab svg {
            width: 20px;
            height: 20px;
            fill: none;
            stroke: currentColor;
            stroke-width: 1.5;
            transition: var(--qmh-transition);
        }
        .qmh-bottom-tab:hover,
        .qmh-bottom-tab:focus,
        .qmh-bottom-tab.active {
            color: var(--qmh-primary);
        }

        /* ========== Hero Lite ========== */
        .qmh-hero-lite {
            min-height: 300px;
            display: flex;
            align-items: center;
            padding-top: calc(var(--qmh-nav-height) + 48px);
            padding-bottom: 40px;
            background: linear-gradient(180deg, rgba(10, 12, 16, 0.88) 0%, rgba(10, 12, 16, 0.96) 100%), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            border-bottom: 1px solid var(--qmh-border);
            position: relative;
        }
        .qmh-hero-lite::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: var(--qmh-border);
        }
        .qmh-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--qmh-text-muted);
            margin-bottom: 18px;
            flex-wrap: wrap;
        }
        .qmh-breadcrumb a {
            color: var(--qmh-text-muted);
            transition: var(--qmh-transition);
        }
        .qmh-breadcrumb a:hover {
            color: var(--qmh-primary);
        }
        .qmh-breadcrumb span {
            color: var(--qmh-text-dim);
        }
        .qmh-breadcrumb .current {
            color: var(--qmh-primary);
            font-weight: 600;
        }
        .qmh-hero-lite h1 {
            font-size: 42px;
            font-weight: 800;
            letter-spacing: -0.03em;
            margin-bottom: 16px;
            font-variant-numeric: tabular-nums;
            line-height: 1.2;
        }
        .qmh-hero-lite .qmh-hero-desc {
            font-size: 16px;
            color: var(--qmh-text-muted);
            max-width: 720px;
            line-height: 1.8;
        }

        /* ========== Card UI ========== */
        .card-ui {
            background: var(--qmh-surface);
            border: 1px solid var(--qmh-border);
            border-radius: var(--qmh-radius);
            padding: 24px;
            transition: var(--qmh-transition);
            position: relative;
            overflow: hidden;
        }
        .card-ui:hover {
            border-color: var(--qmh-border-hover);
            transform: translateY(-3px);
            box-shadow: var(--qmh-shadow);
        }
        .card-ui .card-icon {
            font-size: 32px;
            margin-bottom: 16px;
            display: inline-block;
            line-height: 1;
        }
        .card-ui h3 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }
        .card-ui p {
            font-size: 14px;
            color: var(--qmh-text-muted);
            margin-bottom: 0;
            line-height: 1.75;
        }

        /* ========== Player Card Grid ========== */
        .player-card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: var(--qmh-gap);
        }
        .player-card {
            background: var(--qmh-surface);
            border: 1px solid var(--qmh-border);
            border-radius: var(--qmh-radius);
            overflow: hidden;
            transition: var(--qmh-transition);
            cursor: pointer;
        }
        .player-card:hover {
            border-color: var(--qmh-border-hover);
            transform: translateY(-4px);
            box-shadow: var(--qmh-shadow);
        }
        .player-card-image {
            aspect-ratio: 4/3;
            overflow: hidden;
            position: relative;
            background: var(--qmh-surface-2);
        }
        .player-card-image img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .35s ease;
        }
        .player-card:hover .player-card-image img {
            transform: scale(1.03);
        }
        .player-card-image .player-number {
            position: absolute;
            top: 12px;
            right: 12px;
            width: 36px;
            height: 36px;
            background: rgba(10, 12, 16, 0.85);
            border: 1px solid var(--qmh-border);
            border-radius: var(--qmh-radius-sm);
            color: var(--qmh-primary);
            font-weight: 700;
            font-size: 16px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-variant-numeric: tabular-nums;
        }
        .player-card-body {
            padding: 20px 24px 24px;
        }
        .player-card-name {
            font-size: 22px;
            font-weight: 800;
            letter-spacing: -0.02em;
            margin-bottom: 4px;
            color: var(--qmh-text);
        }
        .player-card-pos {
            font-size: 12px;
            font-weight: 600;
            color: var(--qmh-primary);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .player-card-stats {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 14px;
            padding-top: 14px;
            border-top: 1px solid var(--qmh-border);
        }
        .player-card-stat {
            text-align: center;
            flex: 1;
            min-width: 50px;
        }
        .player-card-stat-value {
            font-size: 18px;
            font-weight: 700;
            font-variant-numeric: tabular-nums;
            color: var(--qmh-text);
        }
        .player-card-stat-label {
            font-size: 10px;
            color: var(--qmh-text-dim);
            letter-spacing: 0.04em;
            margin-top: 2px;
        }

        /* ========== Data Bar ========== */
        .data-bar {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 8px;
        }
        .data-bar-label {
            font-size: 12px;
            color: var(--qmh-text-muted);
            min-width: 60px;
            text-align: right;
        }
        .data-bar-track {
            flex: 1;
            height: 6px;
            background: var(--qmh-surface-2);
            border-radius: 3px;
            overflow: hidden;
            position: relative;
        }
        .data-bar-fill {
            height: 100%;
            background: var(--qmh-primary);
            border-radius: 3px;
            transition: width .6s cubic-bezier(0.4, 0, 0.2, 1);
        }
        .data-bar-fill.warning {
            background: var(--qmh-danger);
        }
        .data-bar-value {
            font-size: 13px;
            font-weight: 700;
            color: var(--qmh-text);
            min-width: 40px;
            font-variant-numeric: tabular-nums;
        }

        /* ========== Table ========== */
        .qmh-table {
            width: 100%;
            border-collapse: collapse;
            font-size: 14px;
        }
        .qmh-table th {
            font-size: 11px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--qmh-text-muted);
            padding: 12px 16px;
            border-bottom: 1px solid var(--qmh-border);
            text-align: left;
            white-space: nowrap;
        }
        .qmh-table td {
            padding: 14px 16px;
            border-bottom: 1px solid var(--qmh-border);
            color: var(--qmh-text);
            font-variant-numeric: tabular-nums;
        }
        .qmh-table tbody tr {
            transition: var(--qmh-transition);
        }
        .qmh-table tbody tr:hover {
            background: rgba(200, 255, 0, 0.03);
        }
        .qmh-table .positive {
            color: var(--qmh-primary);
            font-weight: 600;
        }
        .qmh-table .negative {
            color: var(--qmh-danger);
            font-weight: 600;
        }

        /* ========== Buttons ========== */
        .btn-qmh {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--qmh-primary);
            color: #000;
            font-weight: 700;
            font-size: 14px;
            padding: 12px 28px;
            border-radius: var(--qmh-radius);
            border: 1px solid var(--qmh-primary);
            transition: var(--qmh-transition);
            text-decoration: none;
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-qmh:hover,
        .btn-qmh:focus {
            background: var(--qmh-primary-dark);
            border-color: var(--qmh-primary-dark);
            color: #000;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(200, 255, 0, 0.25);
        }
        .btn-qmh-ghost {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--qmh-accent);
            font-weight: 600;
            font-size: 14px;
            padding: 11px 28px;
            border-radius: var(--qmh-radius);
            border: 1px solid var(--qmh-border);
            transition: var(--qmh-transition);
            text-decoration: none;
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-qmh-ghost:hover,
        .btn-qmh-ghost:focus {
            border-color: var(--qmh-primary);
            color: var(--qmh-primary);
            transform: translateY(-2px);
        }

        /* ========== FAQ ========== */
        .qmh-faq-item {
            border-bottom: 1px solid var(--qmh-border);
            margin-bottom: 0;
        }
        .qmh-faq-question {
            width: 100%;
            text-align: left;
            background: transparent;
            border: none;
            color: var(--qmh-text);
            font-size: 16px;
            font-weight: 600;
            padding: 20px 0;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            transition: var(--qmh-transition);
        }
        .qmh-faq-question:hover {
            color: var(--qmh-primary);
        }
        .qmh-faq-question .faq-icon {
            flex-shrink: 0;
            font-size: 20px;
            transition: var(--qmh-transition);
            color: var(--qmh-text-muted);
        }
        .qmh-faq-question.active .faq-icon {
            transform: rotate(45deg);
            color: var(--qmh-primary);
        }
        .qmh-faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s cubic-bezier(0.4, 0, 0.2, 1);
            color: var(--qmh-text-muted);
            font-size: 14px;
            line-height: 1.8;
        }
        .qmh-faq-answer-inner {
            padding: 0 0 22px;
        }

        /* ========== Sticky Bottom CTA ========== */
        .qmh-bottom-cta {
            position: fixed;
            bottom: var(--qmh-bottom-tab-height);
            left: 0;
            right: 0;
            z-index: 1030;
            height: var(--qmh-bottom-cta-height);
            background: #0F1216;
            border-top: 2px solid var(--qmh-primary);
            padding: 8px 0;
            transition: var(--qmh-transition);
        }
        .qmh-bottom-cta-inner {
            display: flex;
            align-items: center;
            gap: 16px;
            height: 100%;
        }
        .qmh-bottom-cta-text {
            font-size: 13px;
            font-weight: 600;
            color: var(--qmh-accent);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .qmh-bottom-cta-form {
            display: flex;
            align-items: center;
            gap: 10px;
            flex: 1;
            min-width: 0;
        }
        .qmh-bottom-cta-form input {
            flex: 1;
            min-width: 0;
            background: #0A0C10;
            border: none;
            border-bottom: 1px solid #2A2E33;
            color: var(--qmh-text);
            padding: 8px 12px;
            font-size: 14px;
            border-radius: var(--qmh-radius-sm) var(--qmh-radius-sm) 0 0;
            transition: var(--qmh-transition);
        }
        .qmh-bottom-cta-form input:focus {
            outline: none;
            border-bottom-color: var(--qmh-primary);
            box-shadow: none;
        }
        .qmh-bottom-cta-form input::placeholder {
            color: var(--qmh-text-dim);
        }
        .qmh-bottom-cta-form .btn-subscribe {
            background: var(--qmh-primary);
            color: #000;
            font-weight: 700;
            font-size: 13px;
            padding: 9px 22px;
            border: none;
            border-radius: var(--qmh-radius-sm);
            cursor: pointer;
            transition: var(--qmh-transition);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .qmh-bottom-cta-form .btn-subscribe:hover {
            background: var(--qmh-primary-dark);
            transform: translateY(-1px);
        }

        /* ========== Footer ========== */
        .qmh-footer {
            background: #0D1015;
            border-top: 1px solid var(--qmh-border);
            padding: 56px 0 32px;
            position: relative;
            z-index: 1;
        }
        .qmh-footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 40px;
        }
        .qmh-footer-brand .qmh-logo {
            margin-bottom: 16px;
        }
        .qmh-footer-desc {
            font-size: 13px;
            color: var(--qmh-text-muted);
            line-height: 1.8;
            margin-bottom: 0;
            max-width: 360px;
        }
        .qmh-footer h5 {
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            color: var(--qmh-text);
            margin-bottom: 16px;
        }
        .qmh-footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .qmh-footer-links li {
            margin-bottom: 10px;
        }
        .qmh-footer-links a {
            font-size: 13px;
            color: var(--qmh-text-muted);
            transition: var(--qmh-transition);
        }
        .qmh-footer-links a:hover {
            color: var(--qmh-primary);
        }
        .qmh-footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            border-top: 1px solid var(--qmh-border);
            padding-top: 24px;
            font-size: 12px;
            color: var(--qmh-text-dim);
        }
        .qmh-footer-beian {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .qmh-footer-bottom a {
            color: var(--qmh-text-dim);
            transition: var(--qmh-transition);
        }
        .qmh-footer-bottom a:hover {
            color: var(--qmh-primary);
        }

        /* ========== Responsive ========== */
        @media (max-width: 991.98px) {
            .player-card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .qmh-footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .qmh-footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 767.98px) {
            .container-qmh {
                padding-left: 16px;
                padding-right: 16px;
            }
            .section-qmh {
                padding: var(--qmh-section-pad-mobile);
            }
            .section-title {
                font-size: 26px;
            }
            .qmh-hero-lite {
                min-height: 240px;
                padding-top: calc(var(--qmh-nav-height) + 32px);
                padding-bottom: 32px;
            }
            .qmh-hero-lite h1 {
                font-size: 30px;
            }
            .qmh-nav {
                display: none;
            }
            .qmh-bottom-tabs {
                display: block;
            }
            .qmh-bottom-cta {
                bottom: var(--qmh-bottom-tab-height);
            }
            .player-card-grid {
                grid-template-columns: 1fr;
            }
            .qmh-footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .qmh-footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
            .qmh-bottom-cta-inner {
                flex-direction: column;
                gap: 8px;
                justify-content: center;
            }
            .qmh-bottom-cta-text {
                display: none;
            }
            .qmh-bottom-cta-form {
                width: 100%;
            }
            .qmh-bottom-cta-form input {
                font-size: 13px;
            }
            .qmh-bottom-cta-form .btn-subscribe {
                padding: 9px 16px;
                font-size: 12px;
            }
        }
        @media (max-width: 575.98px) {
            .container-qmh {
                padding-left: 14px;
                padding-right: 14px;
            }
            .section-title {
                font-size: 22px;
            }
            .qmh-hero-lite h1 {
                font-size: 25px;
            }
            .qmh-hero-lite .qmh-hero-desc {
                font-size: 14px;
            }
            .card-ui {
                padding: 18px;
            }
            .player-card-body {
                padding: 16px 18px 20px;
            }
            .player-card-name {
                font-size: 19px;
            }
            .qmh-table th,
            .qmh-table td {
                padding: 10px 8px;
                font-size: 12px;
            }
        }

        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(20px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }
        .fade-in-up {
            animation: fadeInUp .6s cubic-bezier(0.4, 0, 0.2, 1) both;
        }
        .fade-in-up-delay-1 {
            animation-delay: .1s;
        }
        .fade-in-up-delay-2 {
            animation-delay: .2s;
        }
        .fade-in-up-delay-3 {
            animation-delay: .3s;
        }

/* roulang page: category6 */
:root {
            --qmh-bg: #0A0C10;
            --qmh-surface: #14171E;
            --qmh-surface-2: #1A1F28;
            --qmh-primary: #C8FF00;
            --qmh-primary-dark: #A8D600;
            --qmh-accent: #DFE7EB;
            --qmh-danger: #FF3D2E;
            --qmh-text: #E8ECEF;
            --qmh-text-muted: #9BA3AF;
            --qmh-text-dim: #6B7280;
            --qmh-border: rgba(223, 231, 235, 0.08);
            --qmh-border-hover: rgba(200, 255, 0, 0.6);
            --qmh-radius: 6px;
            --qmh-radius-sm: 4px;
            --qmh-shadow: 0 4px 24px rgba(0, 0, 0, 0.35);
            --qmh-shadow-lg: 0 12px 48px rgba(0, 0, 0, 0.55);
            --qmh-font-sans: 'Inter', 'SF Pro Display', 'HarmonyOS Sans SC', 'PingFang SC', 'Microsoft YaHei', sans-serif;
            --qmh-font-mono: 'SF Mono', 'JetBrains Mono', 'Roboto Mono', 'Consolas', monospace;
            --qmh-transition: all .25s cubic-bezier(0.4, 0, 0.2, 1);
            --qmh-section-pad: 88px 0;
            --qmh-section-pad-mobile: 44px 0;
            --qmh-gap: 24px;
            --qmh-nav-height: 68px;
            --qmh-bottom-cta-height: 64px;
            --qmh-bottom-tab-height: 58px;
        }

        html {
            scroll-behavior: smooth;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

        body {
            font-family: var(--qmh-font-sans);
            background-color: var(--qmh-bg);
            color: var(--qmh-text);
            line-height: 1.75;
            font-size: 15px;
            overflow-x: hidden;
            padding-bottom: calc(var(--qmh-bottom-cta-height) + var(--qmh-bottom-tab-height));
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }

        a {
            color: var(--qmh-accent);
            text-decoration: none;
            transition: var(--qmh-transition);
        }

        a:hover,
        a:focus {
            color: var(--qmh-primary);
            text-decoration: none;
        }

        a:focus-visible,
        button:focus-visible,
        input:focus-visible {
            outline: 2px solid var(--qmh-primary);
            outline-offset: 2px;
        }

        .container-qmh {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 36px;
            padding-right: 36px;
        }

        .section-qmh {
            padding: var(--qmh-section-pad);
            position: relative;
        }

        .section-qmh--alt {
            background-color: #F4F6F8;
            color: #1A1F28;
        }

        .section-qmh--alt h2,
        .section-qmh--alt h3,
        .section-qmh--alt p {
            color: #1A1F28;
        }

        .section-label {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            letter-spacing: 0.12em;
            text-transform: uppercase;
            color: var(--qmh-primary);
            margin-bottom: 14px;
            position: relative;
            padding-left: 16px;
        }

        .section-label::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 6px;
            height: 6px;
            background: var(--qmh-primary);
            border-radius: 50%;
        }

        .section-qmh--alt .section-label {
            color: #1A1F28;
        }

        .section-qmh--alt .section-label::before {
            background: #1A1F28;
        }

        .section-title {
            font-size: 36px;
            font-weight: 800;
            letter-spacing: -0.03em;
            margin-bottom: 12px;
            font-variant-numeric: tabular-nums;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--qmh-text-muted);
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: 40px;
        }

        .section-qmh--alt .section-subtitle {
            color: #5A6470;
        }

        /* ========== Top Navigation ========== */
        .qmh-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1040;
            height: var(--qmh-nav-height);
            background: rgba(10, 12, 16, 0.92);
            border-bottom: 1px solid rgba(223, 231, 235, 0.06);
            transition: background .35s ease, border-color .35s ease, box-shadow .35s ease;
        }

        .qmh-header.scrolled {
            background: rgba(10, 12, 16, 0.97);
            border-bottom-color: rgba(223, 231, 235, 0.1);
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.4);
        }

        .qmh-header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: var(--qmh-nav-height);
            gap: 20px;
        }

        .qmh-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
            text-decoration: none;
            color: var(--qmh-text);
            font-weight: 800;
            font-size: 20px;
            letter-spacing: -0.02em;
        }

        .qmh-logo:hover {
            color: var(--qmh-primary);
        }

        .qmh-logo-icon {
            width: 32px;
            height: 32px;
            background: var(--qmh-primary);
            border-radius: var(--qmh-radius-sm);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }

        .qmh-logo-icon svg {
            width: 20px;
            height: 20px;
            fill: none;
            stroke: #0A0C10;
            stroke-width: 2;
        }

        .qmh-logo-text {
            font-size: 20px;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--qmh-text);
        }

        .qmh-logo:hover .qmh-logo-text {
            color: var(--qmh-primary);
        }

        .qmh-nav {
            display: flex;
            align-items: center;
            list-style: none;
            margin: 0;
            padding: 0;
            gap: 24px;
        }

        .qmh-nav-item {
            margin: 0;
            padding: 0;
        }

        .qmh-nav-link {
            display: inline-block;
            font-size: 14px;
            font-weight: 500;
            color: var(--qmh-text-muted);
            padding: 6px 0;
            position: relative;
            transition: var(--qmh-transition);
            letter-spacing: 0.01em;
            white-space: nowrap;
        }

        .qmh-nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 1px;
            background: var(--qmh-primary);
            transition: width .25s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .qmh-nav-link:hover {
            color: var(--qmh-text);
        }

        .qmh-nav-link:hover::after {
            width: 100%;
        }

        .qmh-nav-link.active {
            color: var(--qmh-primary);
        }

        .qmh-nav-link.active::after {
            width: 100%;
        }

        /* ========== Mobile Bottom Tab Nav ========== */
        .qmh-bottom-tab {
            display: none;
            position: fixed;
            bottom: var(--qmh-bottom-cta-height);
            left: 0;
            right: 0;
            z-index: 1035;
            height: var(--qmh-bottom-tab-height);
            background: rgba(10, 12, 16, 0.97);
            border-top: 1px solid rgba(223, 231, 235, 0.1);
            padding: 0 8px;
        }

        .qmh-bottom-tab-inner {
            display: flex;
            align-items: stretch;
            justify-content: space-around;
            height: 100%;
            max-width: 600px;
            margin: 0 auto;
        }

        .qmh-bottom-tab-item {
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 3px;
            font-size: 10px;
            color: var(--qmh-text-dim);
            text-decoration: none;
            transition: var(--qmh-transition);
            flex: 1;
            min-width: 0;
            padding: 4px 2px;
        }

        .qmh-bottom-tab-item svg {
            width: 20px;
            height: 20px;
            fill: none;
            stroke: var(--qmh-text-dim);
            stroke-width: 1.6;
            transition: var(--qmh-transition);
        }

        .qmh-bottom-tab-item span {
            font-size: 10px;
            line-height: 1.2;
            white-space: nowrap;
        }

        .qmh-bottom-tab-item.active {
            color: var(--qmh-primary);
        }

        .qmh-bottom-tab-item.active svg {
            stroke: var(--qmh-primary);
        }

        .qmh-bottom-tab-item:hover {
            color: var(--qmh-text);
        }

        .qmh-bottom-tab-item:hover svg {
            stroke: var(--qmh-text);
        }

        /* ========== Buttons ========== */
        .btn-qmh {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--qmh-primary);
            color: #0A0C10;
            font-weight: 700;
            font-size: 14px;
            padding: 12px 28px;
            border-radius: var(--qmh-radius);
            border: 1px solid transparent;
            transition: var(--qmh-transition);
            text-decoration: none;
            letter-spacing: 0.01em;
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-qmh:hover {
            background: var(--qmh-primary-dark);
            color: #0A0C10;
            transform: translateY(-2px);
            box-shadow: 0 6px 20px rgba(200, 255, 0, 0.25);
        }

        .btn-qmh:active {
            transform: translateY(0);
            box-shadow: none;
        }

        .btn-qmh--ghost {
            background: transparent;
            color: var(--qmh-accent);
            border: 1px solid var(--qmh-border);
        }

        .btn-qmh--ghost:hover {
            background: rgba(223, 231, 235, 0.08);
            border-color: var(--qmh-border-hover);
            color: var(--qmh-primary);
            box-shadow: none;
        }

        .btn-qmh--sm {
            padding: 8px 16px;
            font-size: 13px;
        }

        .btn-qmh--lg {
            padding: 16px 36px;
            font-size: 16px;
        }

        /* ========== Cards ========== */
        .card-ui {
            background: var(--qmh-surface);
            border: 1px solid var(--qmh-border);
            border-radius: var(--qmh-radius);
            padding: 24px;
            transition: var(--qmh-transition);
            height: 100%;
        }

        .card-ui:hover {
            border-color: var(--qmh-border-hover);
            box-shadow: var(--qmh-shadow);
            transform: translateY(-3px);
        }

        .card-ui__label {
            font-size: 11px;
            font-weight: 600;
            letter-spacing: 0.1em;
            text-transform: uppercase;
            color: var(--qmh-primary);
            margin-bottom: 10px;
        }

        .card-ui__title {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--qmh-text);
        }

        .card-ui__text {
            font-size: 13px;
            color: var(--qmh-text-muted);
            line-height: 1.7;
            margin-bottom: 0;
        }

        /* ========== Hero Lite ========== */
        .hero-lite {
            padding-top: calc(var(--qmh-nav-height) + 48px);
            padding-bottom: 36px;
            background: var(--qmh-bg);
            border-bottom: 1px solid var(--qmh-border);
            min-height: 280px;
            display: flex;
            align-items: center;
            position: relative;
            overflow: hidden;
        }

        .hero-lite::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: radial-gradient(ellipse at 30% 50%, rgba(200, 255, 0, 0.05) 0%, transparent 60%);
            pointer-events: none;
        }

        .hero-lite__breadcrumb {
            font-size: 12px;
            color: var(--qmh-text-dim);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .hero-lite__breadcrumb a {
            color: var(--qmh-text-muted);
        }

        .hero-lite__breadcrumb a:hover {
            color: var(--qmh-primary);
        }

        .hero-lite__breadcrumb .separator {
            color: var(--qmh-text-dim);
        }

        .hero-lite__title {
            font-size: 38px;
            font-weight: 800;
            letter-spacing: -0.03em;
            margin-bottom: 8px;
            color: var(--qmh-text);
        }

        .hero-lite__subtitle {
            font-size: 15px;
            color: var(--qmh-text-muted);
            max-width: 560px;
            line-height: 1.8;
        }

        /* ========== Feature Cover ========== */
        .feature-cover {
            background: var(--qmh-surface);
            border: 1px solid var(--qmh-border);
            border-radius: var(--qmh-radius);
            overflow: hidden;
            position: relative;
            min-height: 420px;
            display: flex;
            align-items: flex-end;
            transition: var(--qmh-transition);
        }

        .feature-cover:hover {
            border-color: var(--qmh-border-hover);
            box-shadow: var(--qmh-shadow-lg);
        }

        .feature-cover__bg {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            z-index: 1;
        }

        .feature-cover__overlay {
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: linear-gradient(180deg, rgba(10, 12, 16, 0.25) 0%, rgba(10, 12, 16, 0.85) 55%, rgba(10, 12, 16, 0.97) 100%);
            z-index: 2;
        }

        .feature-cover__content {
            position: relative;
            z-index: 3;
            padding: 36px;
            width: 100%;
        }

        .feature-cover__tag {
            display: inline-block;
            font-size: 11px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: #0A0C10;
            background: var(--qmh-primary);
            padding: 4px 12px;
            border-radius: var(--qmh-radius-sm);
            margin-bottom: 14px;
        }

        .feature-cover__title {
            font-size: 32px;
            font-weight: 800;
            letter-spacing: -0.02em;
            color: var(--qmh-text);
            margin-bottom: 10px;
            max-width: 700px;
            line-height: 1.3;
        }

        .feature-cover__meta {
            font-size: 13px;
            color: var(--qmh-text-muted);
            margin-bottom: 14px;
        }

        .feature-cover__desc {
            font-size: 14px;
            color: rgba(223, 231, 235, 0.8);
            max-width: 600px;
            line-height: 1.7;
            margin-bottom: 18px;
        }

        /* ========== Feature Grid ========== */
        .feature-item {
            background: var(--qmh-surface);
            border: 1px solid var(--qmh-border);
            border-radius: var(--qmh-radius);
            overflow: hidden;
            transition: var(--qmh-transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .feature-item:hover {
            border-color: var(--qmh-border-hover);
            box-shadow: var(--qmh-shadow);
            transform: translateY(-3px);
        }

        .feature-item__img-wrap {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }

        .feature-item__img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s cubic-bezier(0.4, 0, 0.2, 1);
        }

        .feature-item:hover .feature-item__img {
            transform: scale(1.05);
        }

        .feature-item__body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .feature-item__tag {
            display: inline-block;
            font-size: 10px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            color: var(--qmh-primary);
            margin-bottom: 8px;
        }

        .feature-item__title {
            font-size: 16px;
            font-weight: 700;
            color: var(--qmh-text);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .feature-item__desc {
            font-size: 13px;
            color: var(--qmh-text-muted);
            line-height: 1.65;
            margin-bottom: 12px;
            flex: 1;
        }

        .feature-item__meta {
            font-size: 12px;
            color: var(--qmh-text-dim);
            display: flex;
            align-items: center;
            gap: 12px;
        }

        /* ========== Data Table ========== */
        .data-bar {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 10px;
        }

        .data-bar__label {
            font-size: 12px;
            color: var(--qmh-text-muted);
            width: 80px;
            flex-shrink: 0;
            text-align: right;
        }

        .data-bar__track {
            flex: 1;
            height: 6px;
            background: var(--qmh-surface-2);
            border-radius: 3px;
            overflow: hidden;
        }

        .data-bar__fill {
            height: 100%;
            background: var(--qmh-primary);
            border-radius: 3px;
            transition: width .8s cubic-bezier(0.4, 0, 0.2, 1);
            min-width: 2px;
        }

        .data-bar__value {
            font-size: 12px;
            font-weight: 600;
            color: var(--qmh-text);
            width: 40px;
            flex-shrink: 0;
            font-variant-numeric: tabular-nums;
            text-align: left;
        }

        /* ========== FAQ ========== */
        .qmh-accordion .accordion-item {
            background: var(--qmh-surface);
            border: 1px solid var(--qmh-border);
            border-radius: var(--qmh-radius);
            margin-bottom: 12px;
            overflow: hidden;
        }

        .qmh-accordion .accordion-button {
            background: var(--qmh-surface);
            color: var(--qmh-text);
            font-weight: 600;
            font-size: 15px;
            padding: 18px 20px;
            border: none;
            box-shadow: none;
        }

        .qmh-accordion .accordion-button:not(.collapsed) {
            background: var(--qmh-surface);
            color: var(--qmh-primary);
            border-bottom: 1px solid var(--qmh-border);
            box-shadow: none;
        }

        .qmh-accordion .accordion-button:focus {
            box-shadow: none;
            border-color: var(--qmh-border-hover);
        }

        .qmh-accordion .accordion-button::after {
            filter: invert(0.7);
        }

        .qmh-accordion .accordion-body {
            background: var(--qmh-bg);
            color: var(--qmh-text-muted);
            font-size: 14px;
            line-height: 1.8;
            padding: 18px 20px;
        }

        /* ========== Bottom CTA ========== */
        .qmh-bottom-cta {
            position: fixed;
            bottom: 0;
            left: 0;
            right: 0;
            z-index: 1030;
            height: var(--qmh-bottom-cta-height);
            background: var(--qmh-primary);
            display: flex;
            align-items: center;
            transition: transform .3s ease;
        }

        .qmh-bottom-cta-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 36px;
        }

        .qmh-bottom-cta__text {
            font-size: 14px;
            font-weight: 700;
            color: #0A0C10;
            white-space: nowrap;
        }

        .qmh-bottom-cta__form {
            display: flex;
            align-items: center;
            gap: 10px;
            flex: 1;
            max-width: 480px;
        }

        .qmh-bottom-cta__input {
            flex: 1;
            background: rgba(10, 12, 16, 0.12);
            border: 1px solid rgba(10, 12, 16, 0.2);
            border-radius: var(--qmh-radius-sm);
            padding: 10px 16px;
            font-size: 14px;
            color: #0A0C10;
            outline: none;
            transition: var(--qmh-transition);
        }

        .qmh-bottom-cta__input::placeholder {
            color: rgba(10, 12, 16, 0.5);
        }

        .qmh-bottom-cta__input:focus {
            border-color: #0A0C10;
            background: rgba(10, 12, 16, 0.06);
        }

        .qmh-bottom-cta__btn {
            background: #0A0C10;
            color: var(--qmh-primary);
            font-weight: 700;
            font-size: 13px;
            padding: 10px 20px;
            border-radius: var(--qmh-radius-sm);
            border: none;
            transition: var(--qmh-transition);
            cursor: pointer;
            white-space: nowrap;
        }

        .qmh-bottom-cta__btn:hover {
            background: #1A1F28;
            color: var(--qmh-primary);
        }

        /* ========== Footer ========== */
        .qmh-footer {
            background: var(--qmh-bg);
            border-top: 1px solid rgba(223, 231, 235, 0.08);
            padding: 56px 0 32px;
            margin-bottom: var(--qmh-bottom-cta-height);
        }

        .qmh-footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .qmh-footer-brand .qmh-logo {
            margin-bottom: 12px;
        }

        .qmh-footer-desc {
            font-size: 13px;
            color: var(--qmh-text-muted);
            line-height: 1.8;
            max-width: 340px;
            margin-bottom: 0;
        }

        .qmh-footer h5 {
            font-size: 14px;
            font-weight: 700;
            color: var(--qmh-text);
            margin-bottom: 14px;
        }

        .qmh-footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .qmh-footer-links li {
            margin-bottom: 8px;
        }

        .qmh-footer-links a {
            font-size: 13px;
            color: var(--qmh-text-muted);
            transition: var(--qmh-transition);
        }

        .qmh-footer-links a:hover {
            color: var(--qmh-primary);
        }

        .qmh-footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 20px;
            border-top: 1px solid rgba(223, 231, 235, 0.06);
            font-size: 12px;
            color: var(--qmh-text-dim);
        }

        .qmh-footer-beian {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }

        .qmh-footer-bottom a {
            color: var(--qmh-text-dim);
            font-size: 12px;
        }

        .qmh-footer-bottom a:hover {
            color: var(--qmh-primary);
        }

        /* ========== Depth Content ========== */
        .depth-block {
            display: grid;
            grid-template-columns: 1fr 1.1fr;
            gap: 40px;
            align-items: center;
        }

        .depth-block__img {
            border-radius: var(--qmh-radius);
            overflow: hidden;
            border: 1px solid var(--qmh-border);
        }

        .depth-block__img img {
            width: 100%;
            height: auto;
            object-fit: cover;
        }

        .depth-block__text {
            font-size: 15px;
            line-height: 1.85;
            color: var(--qmh-text);
        }

        .depth-block__text p {
            margin-bottom: 16px;
        }

        .depth-block__text h3 {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 14px;
            color: var(--qmh-text);
        }

        /* ========== Timeline ========== */
        .timeline-item {
            position: relative;
            padding-left: 28px;
            padding-bottom: 24px;
            border-left: 1px solid rgba(223, 231, 235, 0.15);
            margin-left: 8px;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            left: -4px;
            top: 6px;
            width: 7px;
            height: 7px;
            background: var(--qmh-primary);
            border-radius: 50%;
        }

        .timeline-item:last-child {
            padding-bottom: 0;
            border-left-color: transparent;
        }

        .timeline-item__date {
            font-size: 12px;
            color: var(--qmh-primary);
            font-weight: 600;
            margin-bottom: 4px;
            font-variant-numeric: tabular-nums;
        }

        .timeline-item__title {
            font-size: 15px;
            font-weight: 700;
            color: var(--qmh-text);
            margin-bottom: 4px;
        }

        .timeline-item__text {
            font-size: 13px;
            color: var(--qmh-text-muted);
            line-height: 1.65;
        }

        /* ========== Badge ========== */
        .badge-qmh {
            display: inline-flex;
            align-items: center;
            font-size: 10px;
            font-weight: 600;
            letter-spacing: 0.08em;
            text-transform: uppercase;
            padding: 4px 10px;
            border-radius: var(--qmh-radius-sm);
            background: rgba(200, 255, 0, 0.12);
            color: var(--qmh-primary);
            border: 1px solid rgba(200, 255, 0, 0.25);
        }

        .badge-qmh--danger {
            background: rgba(255, 61, 46, 0.12);
            color: var(--qmh-danger);
            border-color: rgba(255, 61, 46, 0.25);
        }

        .badge-qmh--muted {
            background: rgba(223, 231, 235, 0.08);
            color: var(--qmh-text-muted);
            border-color: rgba(223, 231, 235, 0.15);
        }

        /* ========== Animations ========== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(24px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .animate-fade-in-up {
            animation: fadeInUp 0.7s cubic-bezier(0.4, 0, 0.2, 1) both;
        }

        .animation-delay-1 {
            animation-delay: 0.15s;
        }
        .animation-delay-2 {
            animation-delay: 0.3s;
        }
        .animation-delay-3 {
            animation-delay: 0.45s;
        }

        /* ========== Responsive ========== */
        @media (max-width: 992px) {
            .container-qmh {
                padding-left: 24px;
                padding-right: 24px;
            }

            .qmh-nav {
                gap: 16px;
            }

            .qmh-nav-link {
                font-size: 13px;
            }

            .section-title {
                font-size: 28px;
            }

            .depth-block {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .qmh-footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }

            .hero-lite__title {
                font-size: 30px;
            }

            .feature-cover__title {
                font-size: 24px;
            }
        }

        @media (max-width: 768px) {
            .container-qmh {
                padding-left: 16px;
                padding-right: 16px;
            }

            .qmh-header {
                height: 60px;
            }

            .qmh-header-inner {
                height: 60px;
            }

            .qmh-logo-text {
                font-size: 17px;
            }

            .qmh-logo-icon {
                width: 28px;
                height: 28px;
            }

            .qmh-nav {
                display: none;
            }

            .qmh-bottom-tab {
                display: block;
            }

            .hero-lite {
                padding-top: calc(60px + 32px);
                min-height: 220px;
                padding-bottom: 28px;
            }

            .hero-lite__title {
                font-size: 24px;
            }

            .hero-lite__subtitle {
                font-size: 13px;
            }

            .section-qmh {
                padding: 44px 0;
            }

            .section-title {
                font-size: 22px;
            }

            .section-subtitle {
                font-size: 13px;
                margin-bottom: 28px;
            }

            .feature-cover {
                min-height: 320px;
            }

            .feature-cover__content {
                padding: 20px;
            }

            .feature-cover__title {
                font-size: 20px;
            }

            .feature-cover__desc {
                font-size: 13px;
            }

            .qmh-footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

            .qmh-footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .qmh-footer-beian {
                flex-direction: column;
                gap: 4px;
            }

            .qmh-bottom-cta {
                height: auto;
                padding: 10px 0;
            }

            .qmh-bottom-cta-inner {
                flex-direction: column;
                gap: 8px;
                padding: 0 16px;
            }

            .qmh-bottom-cta__text {
                font-size: 12px;
                white-space: normal;
                text-align: center;
            }

            .qmh-bottom-cta__form {
                max-width: 100%;
                width: 100%;
            }

            .qmh-bottom-cta__input {
                font-size: 12px;
                padding: 8px 12px;
            }

            .qmh-bottom-cta__btn {
                font-size: 12px;
                padding: 8px 14px;
            }

            body {
                padding-bottom: calc(64px + 58px);
            }

            .depth-block__text {
                font-size: 14px;
            }

            .depth-block__text h3 {
                font-size: 18px;
            }

            .data-bar__label {
                width: 60px;
                font-size: 11px;
            }
        }

        @media (max-width: 520px) {
            .hero-lite__title {
                font-size: 21px;
            }

            .feature-cover__title {
                font-size: 18px;
            }

            .feature-cover__content {
                padding: 16px;
            }

            .section-title {
                font-size: 20px;
            }

            .qmh-bottom-tab-item span {
                font-size: 9px;
            }

            .qmh-bottom-tab-item svg {
                width: 18px;
                height: 18px;
            }
        }