/* roulang page: index */
:root {
            --qt-primary: #1A1A1A;
            --qt-accent: #E84A3C;
            --qt-accent-hover: #C93D31;
            --qt-accent-soft: #FDECEA;
            --qt-gold: #D9A441;
            --qt-gold-soft: #FBF4E6;
            --qt-bg: #FAFAF8;
            --qt-bg-warm: #F4F3F0;
            --qt-surface: #FFFFFF;
            --qt-text: #212121;
            --qt-text-muted: #6E6E6E;
            --qt-text-light: #9A9A9A;
            --qt-border: #E8E6E1;
            --qt-border-strong: #D8D5CE;
            --qt-radius-sm: 8px;
            --qt-radius: 14px;
            --qt-radius-lg: 18px;
            --qt-shadow-sm: 0 1px 4px rgba(26, 26, 26, 0.05);
            --qt-shadow: 0 8px 28px rgba(26, 26, 26, 0.08);
            --qt-shadow-hover: 0 16px 44px rgba(26, 26, 26, 0.13);
            --qt-font: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --qt-transition: all 0.22s ease;
            --qt-section-gap: 72px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--qt-font);
            background-color: var(--qt-bg);
            color: var(--qt-text);
            line-height: 1.85;
            font-size: 15.5px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--qt-transition);
        }

        a:hover {
            color: var(--qt-accent);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        .qt-section {
            padding: var(--qt-section-gap) 0;
        }

        .qt-section-sm {
            padding: 48px 0;
        }

        .qt-section-alt {
            background-color: var(--qt-bg-warm);
        }

        .qt-section-dark {
            background-color: var(--qt-primary);
            color: #F5F5F4;
        }

        .qt-section-dark .section-label {
            color: var(--qt-gold);
        }

        .qt-section-dark .section-title {
            color: #FFFFFF;
        }

        .section-label {
            display: inline-block;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--qt-accent);
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 16px;
            color: var(--qt-text);
        }

        .section-desc {
            font-size: 16px;
            color: var(--qt-text-muted);
            line-height: 1.9;
            margin-bottom: 32px;
            max-width: 760px;
        }

        .qt-text-accent {
            color: var(--qt-accent);
        }

        .qt-text-gold {
            color: var(--qt-gold);
        }

        .qt-bg-accent-soft {
            background-color: var(--qt-accent-soft);
        }

        .qt-bg-gold-soft {
            background-color: var(--qt-gold-soft);
        }

        .qt-rounded {
            border-radius: var(--qt-radius);
        }

        .qt-rounded-lg {
            border-radius: var(--qt-radius-lg);
        }

        .qt-rounded-sm {
            border-radius: var(--qt-radius-sm);
        }

        /* Header / Nav */
        .qt-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background-color: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--qt-border);
            transition: var(--qt-transition);
        }

        .qt-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            flex-wrap: wrap;
        }

        .qt-logo {
            font-size: 22px;
            font-weight: 700;
            letter-spacing: 0.04em;
            color: var(--qt-primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .qt-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 9px;
            background: var(--qt-accent);
            color: #FFFFFF;
            font-size: 16px;
            font-weight: 700;
        }

        .qt-nav-list {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
        }

        .qt-nav-link {
            display: inline-block;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--qt-text-muted);
            border-radius: 8px;
            transition: var(--qt-transition);
        }

        .qt-nav-link:hover,
        .qt-nav-link.active {
            background-color: var(--qt-accent-soft);
            color: var(--qt-accent);
        }

        .qt-nav-cta {
            background-color: var(--qt-accent);
            color: #FFFFFF;
            border-radius: var(--qt-radius-sm);
            padding: 10px 20px;
            font-size: 14px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--qt-transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }

        .qt-nav-cta:hover {
            background-color: var(--qt-accent-hover);
            color: #FFFFFF;
            transform: translateY(-1px);
        }

        .qt-nav-cta:active {
            transform: scale(0.98);
        }

        .qt-nav-cta:focus-visible {
            outline: 3px solid rgba(232, 74, 60, 0.35);
            outline-offset: 2px;
        }

        .qt-hamburger {
            display: none;
            border: 1px solid var(--qt-border);
            border-radius: 8px;
            padding: 8px 12px;
            background: var(--qt-surface);
            color: var(--qt-text);
            font-size: 18px;
            cursor: pointer;
        }

        /* Hero */
        .qt-hero {
            position: relative;
            min-height: 82vh;
            display: flex;
            align-items: center;
            background-color: var(--qt-primary);
            overflow: hidden;
        }

        .qt-hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center 30%;
            object-fit: cover;
            z-index: 0;
        }

        .qt-hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(175deg, rgba(26, 26, 26, 0.76) 0%, rgba(26, 26, 26, 0.92) 46%, rgba(26, 26, 26, 0.88) 100%);
            z-index: 1;
        }

        .qt-hero-content {
            position: relative;
            z-index: 2;
            padding: 72px 0 84px;
            color: #FFFFFF;
            max-width: 780px;
        }

        .qt-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(232, 74, 60, 0.2);
            border: 1px solid rgba(232, 74, 60, 0.4);
            color: #FFD7D2;
            border-radius: 999px;
            padding: 6px 16px;
            font-size: 13px;
            font-weight: 500;
            margin-bottom: 20px;
        }

        .qt-hero-title {
            font-size: 38px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 20px;
            color: #FFFFFF;
            letter-spacing: 0.01em;
        }

        .qt-hero-desc {
            font-size: 17px;
            line-height: 1.9;
            color: rgba(255, 255, 255, 0.82);
            margin-bottom: 28px;
            max-width: 640px;
        }

        .qt-hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            align-items: center;
            margin-bottom: 28px;
        }

        .qt-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--qt-radius-sm);
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            border: none;
            transition: var(--qt-transition);
            text-align: center;
        }

        .qt-btn-accent {
            background-color: var(--qt-accent);
            color: #FFFFFF;
        }

        .qt-btn-accent:hover {
            background-color: var(--qt-accent-hover);
            color: #FFFFFF;
            transform: translateY(-2px);
        }

        .qt-btn-outline-light {
            background: transparent;
            color: #FFFFFF;
            border: 1.5px solid rgba(255, 255, 255, 0.5);
        }

        .qt-btn-outline-light:hover {
            border-color: #FFFFFF;
            color: #FFFFFF;
            background: rgba(255, 255, 255, 0.08);
        }

        .qt-btn-outline {
            background: transparent;
            color: var(--qt-accent);
            border: 1.5px solid var(--qt-accent);
        }

        .qt-btn-outline:hover {
            background: var(--qt-accent);
            color: #FFFFFF;
        }

        .qt-btn-dark {
            background-color: var(--qt-primary);
            color: #FFFFFF;
        }

        .qt-btn-dark:hover {
            background-color: #2D2D2D;
            color: #FFFFFF;
        }

        .qt-countdown {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .qt-countdown-item {
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: var(--qt-radius-sm);
            padding: 10px 18px;
            min-width: 72px;
            text-align: center;
        }

        .qt-countdown-number {
            font-size: 28px;
            font-weight: 700;
            color: #FFFFFF;
            line-height: 1.2;
        }

        .qt-countdown-label {
            font-size: 12px;
            color: rgba(255, 255, 255, 0.65);
            letter-spacing: 0.06em;
        }

        /* Cards */
        .qt-card {
            background: var(--qt-surface);
            border: 1px solid var(--qt-border);
            border-radius: var(--qt-radius);
            overflow: hidden;
            transition: var(--qt-transition);
            box-shadow: var(--qt-shadow-sm);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .qt-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--qt-shadow-hover);
            border-color: var(--qt-border-strong);
        }

        .qt-card-img {
            width: 100%;
            height: 200px;
            object-fit: cover;
            display: block;
            background-color: var(--qt-bg-warm);
        }

        .qt-card-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .qt-card-meta {
            font-size: 12.5px;
            color: var(--qt-text-light);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .qt-card-title {
            font-size: 17px;
            font-weight: 600;
            color: var(--qt-text);
            margin-bottom: 8px;
            line-height: 1.5;
        }

        .qt-card-text {
            font-size: 14.5px;
            color: var(--qt-text-muted);
            line-height: 1.8;
            flex: 1;
            margin-bottom: 12px;
        }

        .qt-card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--qt-accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: var(--qt-transition);
        }

        .qt-card-link:hover {
            color: var(--qt-accent-hover);
            gap: 8px;
        }

        /* Badge */
        .qt-badge {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 500;
            letter-spacing: 0.02em;
        }

        .qt-badge-accent {
            background-color: var(--qt-accent-soft);
            color: var(--qt-accent);
        }

        .qt-badge-gold {
            background-color: var(--qt-gold-soft);
            color: var(--qt-gold);
        }

        .qt-badge-dark {
            background-color: rgba(255, 255, 255, 0.15);
            color: #FFFFFF;
        }

        /* Lists */
        .qt-list-unstyled {
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .qt-list-item {
            padding: 16px 0;
            border-bottom: 1px solid var(--qt-border);
            display: flex;
            gap: 16px;
            align-items: flex-start;
        }

        .qt-list-item:last-child {
            border-bottom: none;
        }

        /* FAQ */
        .qt-faq .accordion-item {
            border: 1px solid var(--qt-border);
            border-radius: var(--qt-radius-sm) !important;
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--qt-surface);
        }

        .qt-faq .accordion-button {
            font-size: 16px;
            font-weight: 600;
            color: var(--qt-text);
            background: var(--qt-surface);
            padding: 18px 20px;
            border-radius: var(--qt-radius-sm);
        }

        .qt-faq .accordion-button:not(.collapsed) {
            background: var(--qt-accent-soft);
            color: var(--qt-accent);
            box-shadow: none;
        }

        .qt-faq .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(232, 74, 60, 0.15);
        }

        .qt-faq .accordion-body {
            font-size: 15px;
            color: var(--qt-text-muted);
            line-height: 1.9;
            padding: 18px 20px;
        }

        /* Forms */
        .qt-input {
            border: 1.5px solid var(--qt-border-strong);
            border-radius: var(--qt-radius-sm);
            padding: 12px 16px;
            font-size: 15px;
            background: var(--qt-surface);
            transition: var(--qt-transition);
            width: 100%;
        }

        .qt-input:focus {
            outline: none;
            border-color: var(--qt-accent);
            box-shadow: 0 0 0 3px rgba(232, 74, 60, 0.12);
        }

        /* Icon boxes */
        .qt-icon-box {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 48px;
            height: 48px;
            border-radius: 12px;
            margin-bottom: 16px;
            font-size: 20px;
        }

        .qt-icon-box-accent {
            background: var(--qt-accent-soft);
            color: var(--qt-accent);
        }

        .qt-icon-box-gold {
            background: var(--qt-gold-soft);
            color: var(--qt-gold);
        }

        .qt-icon-box-dark {
            background: rgba(255, 255, 255, 0.12);
            color: #FFFFFF;
        }

        /* Number steps */
        .qt-step {
            display: flex;
            align-items: flex-start;
            gap: 18px;
            padding: 24px;
            background: var(--qt-surface);
            border: 1px solid var(--qt-border);
            border-radius: var(--qt-radius);
            height: 100%;
            transition: var(--qt-transition);
        }

        .qt-step:hover {
            border-color: var(--qt-accent);
            box-shadow: var(--qt-shadow);
        }

        .qt-step-number {
            flex-shrink: 0;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--qt-primary);
            color: #FFFFFF;
            font-size: 20px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .qt-step-number.accent {
            background: var(--qt-accent);
        }

        /* Timeline */
        .qt-timeline {
            position: relative;
            padding-left: 28px;
        }

        .qt-timeline::before {
            content: '';
            position: absolute;
            left: 8px;
            top: 6px;
            bottom: 6px;
            width: 2px;
            background: var(--qt-border-strong);
        }

        .qt-timeline-item {
            position: relative;
            margin-bottom: 24px;
            padding-left: 8px;
        }

        .qt-timeline-item::before {
            content: '';
            position: absolute;
            left: -26px;
            top: 8px;
            width: 10px;
            height: 10px;
            border-radius: 50%;
            background: var(--qt-accent);
            border: 2px solid var(--qt-surface);
            box-shadow: 0 0 0 2px var(--qt-border-strong);
        }

        /* Footer */
        .qt-footer {
            background-color: var(--qt-primary);
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 32px;
            font-size: 14px;
        }

        .qt-footer a {
            color: rgba(255, 255, 255, 0.7);
        }

        .qt-footer a:hover {
            color: #FFFFFF;
        }

        .qt-footer-title {
            color: #FFFFFF;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 16px;
        }

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

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

        .qt-footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin-top: 40px;
            padding-top: 20px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        /* Responsive */
        @media (max-width: 991px) {
            .qt-hamburger {
                display: inline-block;
            }
            .qt-nav-list {
                display: none;
                position: absolute;
                top: 68px;
                left: 0;
                right: 0;
                background: var(--qt-surface);
                border-bottom: 1px solid var(--qt-border);
                padding: 16px 24px;
                flex-direction: column;
                align-items: stretch;
                box-shadow: var(--qt-shadow);
                max-height: 70vh;
                overflow-y: auto;
            }
            .qt-nav-list.open {
                display: flex;
            }
            .qt-nav-link {
                padding: 10px 12px;
                display: block;
            }
            .qt-nav-cta {
                margin-top: 8px;
                justify-content: center;
            }
            .qt-nav {
                position: relative;
            }
            .qt-hero-title {
                font-size: 28px;
            }
            .qt-section {
                padding: 48px 0;
            }
            .qt-section {
                --qt-section-gap: 48px;
            }
            .section-title {
                font-size: 23px;
            }
            .qt-countdown-item {
                min-width: 60px;
                padding: 8px 12px;
            }
            .qt-countdown-number {
                font-size: 22px;
            }
        }

        @media (max-width: 576px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .qt-hero-title {
                font-size: 22px;
                line-height: 1.4;
            }
            .qt-hero-desc {
                font-size: 15px;
            }
            .qt-hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .qt-btn {
                width: 100%;
            }
            .qt-card-img {
                height: 160px;
            }
            .section-title {
                font-size: 20px;
            }
        }

/* roulang page: category2 */
:root {
            --qt-primary: #1A1A1A;
            --qt-accent: #E84A3C;
            --qt-accent-hover: #C93D31;
            --qt-accent-soft: #FDECEA;
            --qt-gold: #D9A441;
            --qt-gold-soft: #FBF4E6;
            --qt-bg: #FAFAF8;
            --qt-bg-warm: #F4F3F0;
            --qt-surface: #FFFFFF;
            --qt-text: #212121;
            --qt-text-muted: #6E6E6E;
            --qt-text-light: #9A9A9A;
            --qt-border: #E8E6E1;
            --qt-border-strong: #D8D5CE;
            --qt-radius-sm: 8px;
            --qt-radius: 14px;
            --qt-radius-lg: 18px;
            --qt-shadow-sm: 0 1px 4px rgba(26, 26, 26, 0.05);
            --qt-shadow: 0 8px 28px rgba(26, 26, 26, 0.08);
            --qt-shadow-hover: 0 16px 44px rgba(26, 26, 26, 0.13);
            --qt-font: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --qt-transition: all 0.22s ease;
            --qt-section-gap: 72px;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--qt-font);
            background-color: var(--qt-bg);
            color: var(--qt-text);
            line-height: 1.85;
            font-size: 15.5px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            margin: 0;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--qt-transition);
        }
        a:hover {
            color: var(--qt-accent);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
        }
        ul,
        ol {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }
        .qt-section {
            padding: var(--qt-section-gap) 0;
        }
        .qt-section-sm {
            padding: 48px 0;
        }
        .qt-section-alt {
            background-color: var(--qt-bg-warm);
        }
        .qt-section-dark {
            background-color: var(--qt-primary);
            color: #F5F5F4;
        }
        .qt-section-dark .section-label {
            color: var(--qt-gold);
        }
        .qt-section-dark .section-title {
            color: #FFFFFF;
        }
        .section-label {
            display: inline-block;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--qt-accent);
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 16px;
            color: var(--qt-text);
        }
        .section-desc {
            font-size: 16px;
            color: var(--qt-text-muted);
            line-height: 1.9;
            margin-bottom: 32px;
            max-width: 760px;
        }
        .qt-text-accent {
            color: var(--qt-accent);
        }
        .qt-text-gold {
            color: var(--qt-gold);
        }

        /* Header / Nav */
        .qt-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background-color: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--qt-border);
            transition: var(--qt-transition);
        }
        .qt-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            flex-wrap: wrap;
            gap: 8px;
        }
        .qt-logo {
            font-size: 22px;
            font-weight: 700;
            letter-spacing: 0.04em;
            color: var(--qt-primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .qt-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 9px;
            background: var(--qt-accent);
            color: #FFFFFF;
            font-size: 16px;
            font-weight: 700;
        }
        .qt-nav-list {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
        }
        .qt-nav-link {
            display: inline-block;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--qt-text-muted);
            border-radius: 8px;
            transition: var(--qt-transition);
        }
        .qt-nav-link:hover,
        .qt-nav-link.active {
            background-color: var(--qt-accent-soft);
            color: var(--qt-accent);
        }
        .qt-nav-cta {
            background-color: var(--qt-accent);
            color: #FFFFFF;
            border-radius: var(--qt-radius-sm);
            padding: 10px 20px;
            font-size: 14px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--qt-transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }
        .qt-nav-cta:hover {
            background-color: var(--qt-accent-hover);
            color: #FFFFFF;
            transform: translateY(-1px);
        }
        .qt-nav-cta:active {
            transform: scale(0.98);
        }
        .qt-nav-cta:focus-visible {
            outline: 3px solid rgba(232, 74, 60, 0.35);
            outline-offset: 2px;
        }
        .qt-hamburger {
            display: none;
            border: 1px solid var(--qt-border);
            border-radius: 8px;
            padding: 8px 12px;
            background: var(--qt-surface);
            color: var(--qt-text);
            font-size: 18px;
            cursor: pointer;
            transition: var(--qt-transition);
        }
        .qt-hamburger:hover {
            border-color: var(--qt-accent);
            color: var(--qt-accent);
        }

        /* Breadcrumb */
        .qt-breadcrumb {
            padding: 16px 0 0;
            font-size: 14px;
            color: var(--qt-text-muted);
        }
        .qt-breadcrumb a {
            color: var(--qt-text-muted);
        }
        .qt-breadcrumb a:hover {
            color: var(--qt-accent);
        }
        .qt-breadcrumb .separator {
            margin: 0 8px;
            color: var(--qt-text-light);
        }
        .qt-breadcrumb .current {
            color: var(--qt-accent);
            font-weight: 500;
        }

        /* Category Head */
        .qt-cat-head {
            padding: 32px 0 28px;
            background-color: var(--qt-surface);
            border-bottom: 1px solid var(--qt-border);
        }
        .qt-cat-head-inner {
            display: flex;
            align-items: flex-start;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }
        .qt-cat-head h1 {
            font-size: 34px;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--qt-text);
            line-height: 1.3;
        }
        .qt-cat-head .cat-sub {
            font-size: 16px;
            color: var(--qt-text-muted);
            line-height: 1.9;
            max-width: 720px;
        }
        .qt-cat-head .cat-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--qt-accent-soft);
            color: var(--qt-accent);
            border-radius: 20px;
            padding: 6px 16px;
            font-size: 13px;
            font-weight: 600;
            white-space: nowrap;
        }
        .qt-cat-head .cat-badge i {
            font-size: 12px;
        }

        /* Score Focus Cards */
        .qt-score-focus .focus-card {
            background: var(--qt-surface);
            border: 1px solid var(--qt-border);
            border-radius: var(--qt-radius-lg);
            padding: 20px 22px;
            height: 100%;
            box-shadow: var(--qt-shadow-sm);
            transition: var(--qt-transition);
            position: relative;
            overflow: hidden;
        }
        .qt-score-focus .focus-card:hover {
            box-shadow: var(--qt-shadow-hover);
            transform: translateY(-4px);
            border-color: var(--qt-border-strong);
        }
        .qt-score-focus .focus-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: var(--qt-accent);
            opacity: 0;
            transition: var(--qt-transition);
        }
        .qt-score-focus .focus-card:hover::before {
            opacity: 1;
        }
        .focus-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 14px;
            font-size: 13px;
            color: var(--qt-text-muted);
        }
        .focus-league {
            font-weight: 600;
            color: var(--qt-accent);
            font-size: 12px;
            letter-spacing: 0.04em;
        }
        .focus-time {
            font-size: 12px;
        }
        .focus-teams {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            margin-bottom: 12px;
        }
        .focus-team {
            font-size: 16px;
            font-weight: 600;
            color: var(--qt-text);
            text-align: center;
            flex: 1;
        }
        .focus-score {
            font-size: 28px;
            font-weight: 700;
            color: var(--qt-primary);
            white-space: nowrap;
        }
        .focus-event {
            font-size: 13px;
            color: var(--qt-text-muted);
            background: var(--qt-bg-warm);
            border-radius: 6px;
            padding: 6px 12px;
            display: inline-block;
        }
        .focus-event i {
            color: var(--qt-accent);
            margin-right: 4px;
            font-size: 11px;
        }

        /* Score List Cards */
        .qt-score-list .list-card {
            display: flex;
            flex-direction: column;
            height: 100%;
            background: var(--qt-surface);
            border: 1px solid var(--qt-border);
            border-radius: var(--qt-radius-lg);
            overflow: hidden;
            box-shadow: var(--qt-shadow-sm);
            transition: var(--qt-transition);
        }
        .qt-score-list .list-card:hover {
            box-shadow: var(--qt-shadow-hover);
            transform: translateY(-4px);
            border-color: var(--qt-border-strong);
        }
        .list-card-img {
            position: relative;
            height: 180px;
            overflow: hidden;
            background: var(--qt-bg-warm);
        }
        .list-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--qt-transition);
        }
        .list-card:hover .list-card-img img {
            transform: scale(1.03);
        }
        .list-card-img .list-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            background: var(--qt-accent);
            color: #FFFFFF;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 6px;
            z-index: 2;
        }
        .list-card-body {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .list-card-date {
            font-size: 12px;
            color: var(--qt-text-light);
            margin-bottom: 8px;
        }
        .list-card-title {
            font-size: 17px;
            font-weight: 600;
            line-height: 1.5;
            margin-bottom: 8px;
            color: var(--qt-text);
        }
        .list-card-title a:hover {
            color: var(--qt-accent);
        }
        .list-card-desc {
            font-size: 14px;
            color: var(--qt-text-muted);
            line-height: 1.8;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 14px;
            flex: 1;
        }
        .list-card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--qt-accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .list-card-link i {
            transition: var(--qt-transition);
        }
        .list-card-link:hover i {
            transform: translateX(4px);
        }

        /* League Data */
        .qt-league-data .league-card {
            background: var(--qt-surface);
            border: 1px solid var(--qt-border);
            border-radius: var(--qt-radius-lg);
            padding: 20px 22px;
            height: 100%;
            box-shadow: var(--qt-shadow-sm);
            transition: var(--qt-transition);
        }
        .qt-league-data .league-card:hover {
            box-shadow: var(--qt-shadow);
            transform: translateY(-3px);
        }
        .league-card h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--qt-text);
        }
        .league-card .league-stat {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 8px 0;
            border-bottom: 1px dashed var(--qt-border);
            font-size: 14px;
        }
        .league-card .league-stat:last-child {
            border-bottom: none;
        }
        .league-stat .stat-val {
            font-weight: 600;
            color: var(--qt-accent);
        }

        /* Trend Data */
        .qt-trend .trend-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .trend-item {
            background: var(--qt-surface);
            border: 1px solid var(--qt-border);
            border-radius: var(--qt-radius-lg);
            padding: 24px 20px;
            text-align: center;
            box-shadow: var(--qt-shadow-sm);
            transition: var(--qt-transition);
        }
        .trend-item:hover {
            box-shadow: var(--qt-shadow);
            transform: translateY(-3px);
        }
        .trend-item .trend-num {
            font-size: 32px;
            font-weight: 700;
            color: var(--qt-accent);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .trend-item .trend-label {
            font-size: 13px;
            color: var(--qt-text-muted);
        }

        /* Column / Featured */
        .qt-column .column-card {
            background: var(--qt-surface);
            border: 1px solid var(--qt-border);
            border-radius: var(--qt-radius-lg);
            padding: 22px 24px;
            height: 100%;
            box-shadow: var(--qt-shadow-sm);
            transition: var(--qt-transition);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .qt-column .column-card:hover {
            box-shadow: var(--qt-shadow);
            transform: translateY(-3px);
            border-color: var(--qt-border-strong);
        }
        .column-card .column-tag {
            font-size: 12px;
            font-weight: 600;
            color: var(--qt-gold);
            letter-spacing: 0.04em;
        }
        .column-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--qt-text);
            margin-bottom: 4px;
        }
        .column-card p {
            font-size: 14px;
            color: var(--qt-text-muted);
            line-height: 1.8;
            margin-bottom: 8px;
            flex: 1;
        }

        /* FAQ */
        .qt-faq .accordion-item {
            border: 1px solid var(--qt-border);
            border-radius: var(--qt-radius) !important;
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--qt-surface);
            box-shadow: var(--qt-shadow-sm);
            transition: var(--qt-transition);
        }
        .qt-faq .accordion-item:has(.accordion-button:not(.collapsed)) {
            border-color: var(--qt-accent);
            box-shadow: var(--qt-shadow);
        }
        .qt-faq .accordion-button {
            font-size: 16px;
            font-weight: 600;
            color: var(--qt-text);
            background: var(--qt-surface);
            padding: 18px 20px;
            border: none;
            box-shadow: none;
            transition: var(--qt-transition);
        }
        .qt-faq .accordion-button:not(.collapsed) {
            color: var(--qt-accent);
            background: var(--qt-accent-soft);
        }
        .qt-faq .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(232, 74, 60, 0.18);
        }
        .qt-faq .accordion-button::after {
            filter: grayscale(0.6);
        }
        .qt-faq .accordion-body {
            font-size: 15px;
            color: var(--qt-text-muted);
            line-height: 1.9;
            padding: 16px 20px 20px;
        }

        /* CTA */
        .qt-cta {
            background: var(--qt-primary);
            color: #F5F5F4;
            padding: 56px 0;
            border-radius: var(--qt-radius-lg);
            margin: 0 24px;
            overflow: hidden;
            position: relative;
        }
        .qt-cta::before {
            content: '';
            position: absolute;
            top: -40%;
            right: -10%;
            width: 300px;
            height: 300px;
            background: rgba(232, 74, 60, 0.12);
            border-radius: 50%;
            pointer-events: none;
        }
        .qt-cta::after {
            content: '';
            position: absolute;
            bottom: -30%;
            left: -5%;
            width: 200px;
            height: 200px;
            background: rgba(217, 164, 65, 0.08);
            border-radius: 50%;
            pointer-events: none;
        }
        .qt-cta-inner {
            position: relative;
            z-index: 1;
            text-align: center;
        }
        .qt-cta h2 {
            font-size: 28px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 14px;
        }
        .qt-cta p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.7);
            max-width: 580px;
            margin: 0 auto 24px;
            line-height: 1.9;
        }
        .qt-cta .btn-accent {
            background: var(--qt-accent);
            color: #FFFFFF;
            border-radius: var(--qt-radius-sm);
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--qt-transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .qt-cta .btn-accent:hover {
            background: var(--qt-accent-hover);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(232, 74, 60, 0.35);
        }
        .qt-cta .btn-outline-light-qt {
            background: transparent;
            color: #FFFFFF;
            border: 1px solid rgba(255, 255, 255, 0.4);
            border-radius: var(--qt-radius-sm);
            padding: 12px 24px;
            font-size: 15px;
            font-weight: 500;
            cursor: pointer;
            transition: var(--qt-transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }
        .qt-cta .btn-outline-light-qt:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: #FFFFFF;
            color: #FFFFFF;
        }

        /* Brand Mini */
        .qt-brand-mini {
            padding: 40px 0 56px;
        }
        .qt-brand-mini .brand-card {
            background: var(--qt-surface);
            border: 1px solid var(--qt-border);
            border-radius: var(--qt-radius-lg);
            padding: 28px 30px;
            box-shadow: var(--qt-shadow-sm);
            display: flex;
            gap: 28px;
            align-items: flex-start;
            flex-wrap: wrap;
        }
        .qt-brand-mini .brand-card img {
            width: 140px;
            height: 140px;
            object-fit: cover;
            border-radius: var(--qt-radius);
            flex-shrink: 0;
        }
        .qt-brand-mini .brand-card h3 {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 10px;
            color: var(--qt-text);
        }
        .qt-brand-mini .brand-card p {
            font-size: 15px;
            color: var(--qt-text-muted);
            line-height: 1.9;
            margin-bottom: 0;
        }

        /* Footer */
        .qt-footer {
            background: var(--qt-primary);
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 24px;
            font-size: 14px;
        }
        .qt-footer .qt-logo {
            color: #FFFFFF;
            font-size: 20px;
        }
        .qt-footer .qt-footer-title {
            font-size: 15px;
            font-weight: 600;
            color: #FFFFFF;
            margin-bottom: 14px;
        }
        .qt-footer-links li {
            margin-bottom: 8px;
        }
        .qt-footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
        }
        .qt-footer-links a:hover {
            color: var(--qt-gold);
        }
        .qt-footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin-top: 40px;
            padding-top: 18px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.45);
        }
        .qt-footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
        }
        .qt-footer-bottom a:hover {
            color: var(--qt-gold);
        }

        /* Responsive */
        @media (max-width: 991.98px) {
            .qt-nav-list {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                gap: 2px;
                padding: 12px 0 16px;
                background: var(--qt-surface);
            }
            .qt-nav-list.show {
                display: flex;
            }
            .qt-hamburger {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }
            .qt-nav-cta {
                margin-left: auto;
            }
            .qt-trend .trend-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }
            .qt-cat-head h1 {
                font-size: 28px;
            }
            .qt-cta {
                margin: 0 16px;
            }
        }
        @media (max-width: 767.98px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .qt-section {
                padding: 48px 0;
            }
            .qt-nav {
                min-height: 60px;
            }
            .qt-logo {
                font-size: 19px;
            }
            .qt-cat-head h1 {
                font-size: 24px;
            }
            .qt-cat-head .cat-sub {
                font-size: 14px;
            }
            .qt-cat-head-inner {
                flex-direction: column;
                gap: 12px;
            }
            .focus-teams {
                flex-wrap: wrap;
                gap: 8px;
            }
            .focus-score {
                font-size: 24px;
            }
            .qt-trend .trend-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .trend-item {
                padding: 18px 14px;
            }
            .trend-item .trend-num {
                font-size: 24px;
            }
            .qt-brand-mini .brand-card {
                flex-direction: column;
                gap: 16px;
                padding: 20px;
            }
            .qt-brand-mini .brand-card img {
                width: 100%;
                height: 160px;
            }
            .qt-cta {
                padding: 40px 16px;
                margin: 0;
                border-radius: var(--qt-radius);
            }
            .qt-cta h2 {
                font-size: 22px;
            }
        }
        @media (max-width: 575.98px) {
            .qt-trend .trend-grid {
                grid-template-columns: 1fr;
            }
            .qt-score-focus .focus-card {
                padding: 16px;
            }
            .focus-teams {
                flex-direction: column;
                gap: 4px;
            }
            .focus-score {
                font-size: 22px;
            }
            .section-title {
                font-size: 22px;
            }
            .qt-footer {
                padding: 40px 0 16px;
            }
        }

/* roulang page: category3 */
:root {
            --qt-primary: #1A1A1A;
            --qt-accent: #E84A3C;
            --qt-accent-hover: #C93D31;
            --qt-accent-soft: #FDECEA;
            --qt-gold: #D9A441;
            --qt-gold-soft: #FBF4E6;
            --qt-bg: #FAFAF8;
            --qt-bg-warm: #F4F3F0;
            --qt-surface: #FFFFFF;
            --qt-text: #212121;
            --qt-text-muted: #6E6E6E;
            --qt-text-light: #9A9A9A;
            --qt-border: #E8E6E1;
            --qt-border-strong: #D8D5CE;
            --qt-radius-sm: 8px;
            --qt-radius: 14px;
            --qt-radius-lg: 18px;
            --qt-shadow-sm: 0 1px 4px rgba(26, 26, 26, 0.05);
            --qt-shadow: 0 8px 28px rgba(26, 26, 26, 0.08);
            --qt-shadow-hover: 0 16px 44px rgba(26, 26, 26, 0.13);
            --qt-font: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --qt-transition: all 0.22s ease;
            --qt-section-gap: 72px;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--qt-font);
            background-color: var(--qt-bg);
            color: var(--qt-text);
            line-height: 1.85;
            font-size: 15.5px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--qt-transition);
        }

        a:hover {
            color: var(--qt-accent);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        .qt-section {
            padding: var(--qt-section-gap) 0;
        }

        .qt-section-sm {
            padding: 48px 0;
        }

        .qt-section-alt {
            background-color: var(--qt-bg-warm);
        }

        .qt-section-dark {
            background-color: var(--qt-primary);
            color: #F5F5F4;
        }

        .qt-section-dark .section-label {
            color: var(--qt-gold);
        }

        .qt-section-dark .section-title {
            color: #FFFFFF;
        }

        .section-label {
            display: inline-block;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--qt-accent);
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 16px;
            color: var(--qt-text);
        }

        .section-desc {
            font-size: 16px;
            color: var(--qt-text-muted);
            line-height: 1.9;
            margin-bottom: 32px;
            max-width: 760px;
        }

        .qt-text-accent {
            color: var(--qt-accent);
        }

        .qt-text-gold {
            color: var(--qt-gold);
        }

        /* Header / Nav */
        .qt-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background-color: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--qt-border);
            transition: var(--qt-transition);
        }

        .qt-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            flex-wrap: wrap;
        }

        .qt-logo {
            font-size: 22px;
            font-weight: 700;
            letter-spacing: 0.04em;
            color: var(--qt-primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .qt-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 9px;
            background: var(--qt-accent);
            color: #FFFFFF;
            font-size: 16px;
            font-weight: 700;
        }

        .qt-nav-list {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
        }

        .qt-nav-link {
            display: inline-block;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--qt-text-muted);
            border-radius: 8px;
            transition: var(--qt-transition);
        }

        .qt-nav-link:hover,
        .qt-nav-link.active {
            background-color: var(--qt-accent-soft);
            color: var(--qt-accent);
        }

        .qt-nav-cta {
            background-color: var(--qt-accent);
            color: #FFFFFF;
            border-radius: var(--qt-radius-sm);
            padding: 10px 20px;
            font-size: 14px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--qt-transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }

        .qt-nav-cta:hover {
            background-color: var(--qt-accent-hover);
            color: #FFFFFF;
            transform: translateY(-1px);
        }

        .qt-nav-cta:active {
            transform: scale(0.98);
        }

        .qt-nav-cta:focus-visible {
            outline: 3px solid rgba(232, 74, 60, 0.35);
            outline-offset: 2px;
        }

        .qt-hamburger {
            display: none;
            border: 1px solid var(--qt-border);
            border-radius: 8px;
            padding: 8px 12px;
            background: var(--qt-surface);
            color: var(--qt-text);
            font-size: 18px;
            cursor: pointer;
        }

        /* Breadcrumb */
        .qt-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--qt-text-muted);
            padding: 16px 0 8px;
            flex-wrap: wrap;
        }

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

        .qt-breadcrumb a:hover {
            color: var(--qt-accent);
        }

        .qt-breadcrumb .separator {
            color: var(--qt-text-light);
        }

        .qt-breadcrumb .current {
            color: var(--qt-accent);
            font-weight: 500;
        }

        /* Page header */
        .qt-page-header {
            padding: 28px 0 20px;
            border-bottom: 1px solid var(--qt-border);
            background-color: var(--qt-surface);
        }

        .qt-page-header .h1 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 10px;
            color: var(--qt-primary);
        }

        .qt-page-header .subtitle {
            font-size: 16px;
            color: var(--qt-text-muted);
            line-height: 1.9;
            max-width: 780px;
        }

        /* Filter bar */
        .qt-filter-bar {
            display: flex;
            align-items: flex-end;
            gap: 16px;
            flex-wrap: wrap;
            padding: 20px 0;
            background-color: var(--qt-surface);
            border-radius: var(--qt-radius);
            box-shadow: var(--qt-shadow-sm);
            margin-top: 24px;
            padding: 20px 24px;
        }

        .qt-filter-group {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .qt-filter-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--qt-text-muted);
            letter-spacing: 0.03em;
        }

        .qt-filter-input,
        .qt-filter-select {
            border: 1px solid var(--qt-border);
            border-radius: var(--qt-radius-sm);
            padding: 10px 14px;
            font-size: 14px;
            background-color: var(--qt-surface);
            color: var(--qt-text);
            min-width: 160px;
            transition: var(--qt-transition);
        }

        .qt-filter-input:focus,
        .qt-filter-select:focus {
            outline: none;
            border-color: var(--qt-accent);
            box-shadow: 0 0 0 3px rgba(232, 74, 60, 0.12);
        }

        .qt-filter-btn {
            background-color: var(--qt-accent);
            color: #FFFFFF;
            border-radius: var(--qt-radius-sm);
            padding: 10px 22px;
            font-size: 14px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--qt-transition);
            white-space: nowrap;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .qt-filter-btn:hover {
            background-color: var(--qt-accent-hover);
            color: #FFFFFF;
            transform: translateY(-1px);
        }

        .qt-filter-btn:active {
            transform: scale(0.98);
        }

        /* Card grid */
        .qt-card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            margin-top: 16px;
        }

        .qt-match-card {
            background-color: var(--qt-surface);
            border-radius: var(--qt-radius);
            border: 1px solid var(--qt-border);
            box-shadow: var(--qt-shadow-sm);
            overflow: hidden;
            transition: var(--qt-transition);
            display: flex;
            flex-direction: column;
            height: 100%;
        }

        .qt-match-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--qt-shadow-hover);
            border-color: var(--qt-border-strong);
        }

        .qt-match-card .card-img-wrapper {
            position: relative;
            overflow: hidden;
            aspect-ratio: 16/9;
        }

        .qt-match-card .card-img-wrapper img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: var(--qt-transition);
        }

        .qt-match-card:hover .card-img-wrapper img {
            transform: scale(1.04);
        }

        .qt-match-card .card-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background-color: rgba(26, 26, 26, 0.75);
            color: #FFFFFF;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 20px;
            letter-spacing: 0.04em;
        }

        .qt-match-card .card-body {
            padding: 20px 22px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .qt-match-card .card-date {
            font-size: 13px;
            color: var(--qt-text-light);
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .qt-match-card .card-title {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 10px;
            color: var(--qt-primary);
        }

        .qt-match-card .card-summary {
            font-size: 14px;
            color: var(--qt-text-muted);
            line-height: 1.8;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 16px;
        }

        .qt-match-card .card-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--qt-accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: var(--qt-transition);
        }

        .qt-match-card .card-link:hover {
            color: var(--qt-accent-hover);
            gap: 8px;
        }

        /* Stat blocks */
        .qt-stat-row {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            margin-top: 24px;
        }

        .qt-stat-item {
            background-color: var(--qt-surface);
            border: 1px solid var(--qt-border);
            border-radius: var(--qt-radius);
            padding: 24px 22px;
            text-align: center;
            transition: var(--qt-transition);
        }

        .qt-stat-item:hover {
            box-shadow: var(--qt-shadow);
            transform: translateY(-2px);
        }

        .qt-stat-number {
            font-size: 32px;
            font-weight: 700;
            color: var(--qt-accent);
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .qt-stat-label {
            font-size: 14px;
            color: var(--qt-text-muted);
            font-weight: 500;
        }

        /* Feature card */
        .qt-feature-card {
            background-color: var(--qt-surface);
            border-radius: var(--qt-radius-lg);
            border: 1px solid var(--qt-border);
            box-shadow: var(--qt-shadow);
            overflow: hidden;
            display: flex;
            flex-wrap: wrap;
            transition: var(--qt-transition);
        }

        .qt-feature-card:hover {
            box-shadow: var(--qt-shadow-hover);
        }

        .qt-feature-card .feature-img {
            flex: 0 0 40%;
            min-height: 280px;
            overflow: hidden;
            position: relative;
        }

        .qt-feature-card .feature-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            top: 0;
            left: 0;
        }

        .qt-feature-card .feature-content {
            flex: 1;
            padding: 28px 32px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .qt-feature-card .feature-tag {
            display: inline-block;
            font-size: 13px;
            font-weight: 600;
            color: var(--qt-accent);
            background-color: var(--qt-accent-soft);
            padding: 4px 12px;
            border-radius: 20px;
            margin-bottom: 12px;
            align-self: flex-start;
        }

        .qt-feature-card .feature-title {
            font-size: 22px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 10px;
            color: var(--qt-primary);
        }

        .qt-feature-card .feature-desc {
            font-size: 15px;
            color: var(--qt-text-muted);
            line-height: 1.8;
            margin-bottom: 16px;
        }

        .qt-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background-color: var(--qt-accent);
            color: #FFFFFF;
            border-radius: var(--qt-radius-sm);
            padding: 12px 24px;
            font-size: 14px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--qt-transition);
            white-space: nowrap;
            align-self: flex-start;
        }

        .qt-btn:hover {
            background-color: var(--qt-accent-hover);
            color: #FFFFFF;
            transform: translateY(-1px);
        }

        .qt-btn:active {
            transform: scale(0.98);
        }

        .qt-btn:focus-visible {
            outline: 3px solid rgba(232, 74, 60, 0.35);
            outline-offset: 2px;
        }

        .qt-btn-outline {
            background-color: transparent;
            border: 1px solid var(--qt-border-strong);
            color: var(--qt-text);
        }

        .qt-btn-outline:hover {
            border-color: var(--qt-accent);
            color: var(--qt-accent);
            background-color: var(--qt-accent-soft);
            transform: translateY(-1px);
        }

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

        .qt-accordion .accordion-header {
            margin: 0;
        }

        .qt-accordion .accordion-button {
            background-color: var(--qt-surface);
            color: var(--qt-text);
            font-weight: 600;
            font-size: 15px;
            padding: 18px 22px;
            border: none;
            box-shadow: none;
            border-radius: var(--qt-radius) !important;
            transition: var(--qt-transition);
        }

        .qt-accordion .accordion-button:not(.collapsed) {
            background-color: var(--qt-accent-soft);
            color: var(--qt-accent);
            box-shadow: none;
        }

        .qt-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(232, 74, 60, 0.12);
        }

        .qt-accordion .accordion-body {
            font-size: 14.5px;
            color: var(--qt-text-muted);
            line-height: 1.85;
            padding: 16px 22px 20px;
            background-color: var(--qt-surface);
        }

        /* CTA section */
        .qt-cta-box {
            background-color: var(--qt-primary);
            border-radius: var(--qt-radius-lg);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }

        .qt-cta-box::before {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            background-color: rgba(232, 74, 60, 0.15);
            border-radius: 50%;
        }

        .qt-cta-box::after {
            content: '';
            position: absolute;
            bottom: -40px;
            left: -40px;
            width: 140px;
            height: 140px;
            background-color: rgba(217, 164, 65, 0.12);
            border-radius: 50%;
        }

        .qt-cta-content {
            position: relative;
            z-index: 1;
            flex: 1;
            min-width: 260px;
        }

        .qt-cta-title {
            font-size: 26px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 10px;
        }

        .qt-cta-desc {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.8;
            max-width: 480px;
        }

        .qt-cta-actions {
            position: relative;
            z-index: 1;
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .qt-cta-actions .qt-btn {
            align-self: center;
        }

        /* Footer */
        .qt-footer {
            background-color: #141414;
            color: #F5F5F4;
            padding: 56px 0 28px;
            margin-top: 60px;
        }

        .qt-footer-title {
            font-size: 15px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }

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

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

        .qt-footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: var(--qt-transition);
        }

        .qt-footer-links a:hover {
            color: var(--qt-accent);
            padding-left: 4px;
        }

        .qt-footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            margin-top: 40px;
            padding-top: 20px;
            color: rgba(255, 255, 255, 0.45);
            font-size: 13px;
        }

        .qt-footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            margin: 0 8px;
        }

        .qt-footer-bottom a:hover {
            color: var(--qt-accent);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .qt-card-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
            }

            .qt-stat-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .qt-feature-card .feature-img {
                flex: 0 0 100%;
                min-height: 200px;
                position: relative;
            }

            .qt-feature-card .feature-img img {
                position: relative;
            }

            .qt-cta-box {
                padding: 36px 28px;
            }
        }

        @media (max-width: 768px) {
            .qt-nav {
                position: relative;
            }

            .qt-hamburger {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }

            .qt-nav-list {
                display: none;
                position: absolute;
                top: 100%;
                left: 0;
                right: 0;
                background-color: var(--qt-surface);
                border: 1px solid var(--qt-border);
                border-radius: 0 0 var(--qt-radius) var(--qt-radius);
                box-shadow: var(--qt-shadow);
                flex-direction: column;
                align-items: stretch;
                padding: 12px;
                gap: 2px;
                z-index: 1000;
                max-height: 80vh;
                overflow-y: auto;
            }

            .qt-nav-list.open {
                display: flex;
            }

            .qt-nav-link {
                display: block;
                width: 100%;
                padding: 12px 16px;
            }

            .qt-nav-cta {
                justify-content: center;
                width: 100%;
                margin-top: 8px;
            }

            .qt-page-header .h1 {
                font-size: 26px;
            }

            .qt-filter-bar {
                flex-direction: column;
                align-items: stretch;
                padding: 16px;
                gap: 12px;
            }

            .qt-filter-group {
                width: 100%;
            }

            .qt-filter-input,
            .qt-filter-select {
                width: 100%;
                min-width: 0;
            }

            .qt-filter-btn {
                width: 100%;
                justify-content: center;
            }

            .qt-card-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .qt-stat-row {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .qt-stat-number {
                font-size: 26px;
            }

            .qt-stat-item {
                padding: 18px 14px;
            }

            .qt-feature-card {
                flex-direction: column;
            }

            .qt-feature-card .feature-img {
                flex: 0 0 auto;
                min-height: 180px;
                aspect-ratio: 16/9;
            }

            .qt-feature-card .feature-content {
                padding: 20px;
            }

            .qt-cta-box {
                flex-direction: column;
                align-items: flex-start;
                padding: 28px 20px;
            }

            .qt-cta-actions {
                width: 100%;
                flex-direction: column;
            }

            .qt-cta-actions .qt-btn {
                width: 100%;
                justify-content: center;
            }

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

            :root {
                --qt-section-gap: 48px;
            }

            .qt-footer {
                padding: 40px 0 20px;
            }
        }

        @media (max-width: 520px) {
            .qt-page-header .h1 {
                font-size: 22px;
            }

            .qt-stat-row {
                grid-template-columns: 1fr;
                gap: 10px;
            }

            .qt-stat-number {
                font-size: 22px;
            }

            .qt-card-grid {
                gap: 12px;
            }

            .qt-match-card .card-body {
                padding: 16px 16px 18px;
            }

            .qt-match-card .card-title {
                font-size: 16px;
            }

            .qt-cta-title {
                font-size: 22px;
            }

            .qt-breadcrumb {
                font-size: 13px;
            }

            .qt-section {
                padding: 36px 0;
            }

            .qt-section-sm {
                padding: 32px 0;
            }

            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

/* roulang page: category1 */
:root {
            --qt-primary: #1A1A1A;
            --qt-accent: #E84A3C;
            --qt-accent-hover: #C93D31;
            --qt-accent-soft: #FDECEA;
            --qt-gold: #D9A441;
            --qt-gold-soft: #FBF4E6;
            --qt-bg: #FAFAF8;
            --qt-bg-warm: #F4F3F0;
            --qt-surface: #FFFFFF;
            --qt-text: #212121;
            --qt-text-muted: #6E6E6E;
            --qt-text-light: #9A9A9A;
            --qt-border: #E8E6E1;
            --qt-border-strong: #D8D5CE;
            --qt-radius-sm: 8px;
            --qt-radius: 14px;
            --qt-radius-lg: 18px;
            --qt-shadow-sm: 0 1px 4px rgba(26, 26, 26, 0.05);
            --qt-shadow: 0 8px 28px rgba(26, 26, 26, 0.08);
            --qt-shadow-hover: 0 16px 44px rgba(26, 26, 26, 0.13);
            --qt-font: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --qt-transition: all 0.22s ease;
            --qt-section-gap: 72px;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--qt-font);
            background-color: var(--qt-bg);
            color: var(--qt-text);
            line-height: 1.85;
            font-size: 15.5px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--qt-transition);
        }

        a:hover {
            color: var(--qt-accent);
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        .qt-section {
            padding: var(--qt-section-gap) 0;
        }

        .qt-section-sm {
            padding: 48px 0;
        }

        .qt-section-alt {
            background-color: var(--qt-bg-warm);
        }

        .qt-section-dark {
            background-color: var(--qt-primary);
            color: #F5F5F4;
        }

        .qt-section-dark .section-label {
            color: var(--qt-gold);
        }

        .qt-section-dark .section-title {
            color: #FFFFFF;
        }

        .section-label {
            display: inline-block;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--qt-accent);
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 16px;
            color: var(--qt-text);
        }

        .section-desc {
            font-size: 16px;
            color: var(--qt-text-muted);
            line-height: 1.9;
            margin-bottom: 32px;
            max-width: 760px;
        }

        .qt-text-accent {
            color: var(--qt-accent);
        }

        .qt-text-gold {
            color: var(--qt-gold);
        }

        /* Header / Nav */
        .qt-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background-color: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--qt-border);
            transition: var(--qt-transition);
        }

        .qt-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            flex-wrap: wrap;
        }

        .qt-logo {
            font-size: 22px;
            font-weight: 700;
            letter-spacing: 0.04em;
            color: var(--qt-primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .qt-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 9px;
            background: var(--qt-accent);
            color: #FFFFFF;
            font-size: 16px;
            font-weight: 700;
        }

        .qt-nav-list {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
        }

        .qt-nav-link {
            display: inline-block;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--qt-text-muted);
            border-radius: 8px;
            transition: var(--qt-transition);
        }

        .qt-nav-link:hover,
        .qt-nav-link.active {
            background-color: var(--qt-accent-soft);
            color: var(--qt-accent);
        }

        .qt-nav-cta {
            background-color: var(--qt-accent);
            color: #FFFFFF;
            border-radius: var(--qt-radius-sm);
            padding: 10px 20px;
            font-size: 14px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--qt-transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }

        .qt-nav-cta:hover {
            background-color: var(--qt-accent-hover);
            color: #FFFFFF;
            transform: translateY(-1px);
        }

        .qt-nav-cta:active {
            transform: scale(0.98);
        }

        .qt-nav-cta:focus-visible {
            outline: 3px solid rgba(232, 74, 60, 0.35);
            outline-offset: 2px;
        }

        .qt-hamburger {
            display: none;
            border: 1px solid var(--qt-border);
            border-radius: 8px;
            padding: 8px 12px;
            background: var(--qt-surface);
            color: var(--qt-text);
            font-size: 18px;
            cursor: pointer;
            transition: var(--qt-transition);
        }

        .qt-hamburger:hover {
            border-color: var(--qt-accent);
            color: var(--qt-accent);
        }

        /* Breadcrumb */
        .qt-breadcrumb {
            font-size: 14px;
            color: var(--qt-text-light);
            margin-bottom: 16px;
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

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

        .qt-breadcrumb a:hover {
            color: var(--qt-accent);
        }

        .qt-breadcrumb .separator {
            color: var(--qt-border-strong);
            font-size: 12px;
        }

        .qt-breadcrumb .current {
            color: var(--qt-text);
            font-weight: 500;
        }

        /* Category Header */
        .qt-cat-header {
            padding: 56px 0 40px;
            background-color: var(--qt-surface);
            border-bottom: 1px solid var(--qt-border);
        }

        .qt-cat-header .h1-title {
            font-size: 36px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--qt-text);
            margin-bottom: 16px;
        }

        .qt-cat-header .cat-desc {
            font-size: 16px;
            color: var(--qt-text-muted);
            line-height: 1.9;
            max-width: 820px;
            margin-bottom: 0;
        }

        /* League Cards */
        .qt-league-grid {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 20px;
            margin-top: 8px;
        }

        .qt-league-card {
            background: var(--qt-surface);
            border: 1px solid var(--qt-border);
            border-radius: var(--qt-radius);
            overflow: hidden;
            transition: var(--qt-transition);
            display: flex;
            flex-direction: column;
        }

        .qt-league-card:hover {
            box-shadow: var(--qt-shadow-hover);
            transform: translateY(-4px);
            border-color: var(--qt-border-strong);
        }

        .qt-league-card .card-img-wrap {
            position: relative;
            height: 160px;
            overflow: hidden;
            background-color: var(--qt-bg-warm);
        }

        .qt-league-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .qt-league-card:hover .card-img-wrap img {
            transform: scale(1.04);
        }

        .qt-league-card .card-body {
            padding: 16px 18px 18px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .qt-league-card .league-name {
            font-size: 18px;
            font-weight: 700;
            color: var(--qt-text);
            margin-bottom: 6px;
        }

        .qt-league-card .league-desc {
            font-size: 13px;
            color: var(--qt-text-muted);
            line-height: 1.7;
            margin-bottom: 12px;
            flex: 1;
        }

        .qt-league-card .league-badge {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            color: var(--qt-accent);
            background: var(--qt-accent-soft);
            padding: 4px 10px;
            border-radius: 20px;
            align-self: flex-start;
        }

        /* Match List / News Cards */
        .qt-match-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .qt-match-card {
            background: var(--qt-surface);
            border: 1px solid var(--qt-border);
            border-radius: var(--qt-radius-lg);
            overflow: hidden;
            transition: var(--qt-transition);
            display: flex;
            flex-direction: column;
            box-shadow: var(--qt-shadow-sm);
        }

        .qt-match-card:hover {
            box-shadow: var(--qt-shadow-hover);
            transform: translateY(-3px);
            border-color: var(--qt-border-strong);
        }

        .qt-match-card .match-img-wrap {
            position: relative;
            height: 200px;
            overflow: hidden;
            background-color: var(--qt-bg-warm);
        }

        .qt-match-card .match-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .qt-match-card:hover .match-img-wrap img {
            transform: scale(1.03);
        }

        .qt-match-card .match-img-wrap .match-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--qt-accent);
            color: #FFFFFF;
            font-size: 12px;
            font-weight: 600;
            padding: 5px 12px;
            border-radius: 20px;
            letter-spacing: 0.03em;
        }

        .qt-match-card .match-content {
            padding: 20px 22px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .qt-match-card .match-date {
            font-size: 13px;
            color: var(--qt-text-light);
            margin-bottom: 8px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .qt-match-card .match-title {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.5;
            color: var(--qt-text);
            margin-bottom: 10px;
        }

        .qt-match-card .match-summary {
            font-size: 14px;
            color: var(--qt-text-muted);
            line-height: 1.8;
            margin-bottom: 16px;
            flex: 1;
        }

        .qt-match-card .match-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--qt-accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--qt-transition);
            align-self: flex-start;
        }

        .qt-match-card .match-link:hover {
            color: var(--qt-accent-hover);
            gap: 10px;
        }

        /* Data Summary */
        .qt-data-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .qt-data-card {
            background: var(--qt-surface);
            border: 1px solid var(--qt-border);
            border-radius: var(--qt-radius);
            padding: 24px 22px;
            text-align: center;
            transition: var(--qt-transition);
            box-shadow: var(--qt-shadow-sm);
        }

        .qt-data-card:hover {
            box-shadow: var(--qt-shadow);
            transform: translateY(-2px);
            border-color: var(--qt-border-strong);
        }

        .qt-data-card .data-number {
            font-size: 36px;
            font-weight: 700;
            color: var(--qt-accent);
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .qt-data-card .data-label {
            font-size: 14px;
            color: var(--qt-text-muted);
            font-weight: 500;
        }

        .qt-data-card .data-sub {
            font-size: 12px;
            color: var(--qt-text-light);
            margin-top: 4px;
            line-height: 1.6;
        }

        /* Topic Cards */
        .qt-topic-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .qt-topic-card {
            background: var(--qt-surface);
            border: 1px solid var(--qt-border);
            border-radius: var(--qt-radius-lg);
            overflow: hidden;
            transition: var(--qt-transition);
            display: flex;
            flex-direction: column;
            box-shadow: var(--qt-shadow-sm);
        }

        .qt-topic-card:hover {
            box-shadow: var(--qt-shadow-hover);
            transform: translateY(-3px);
        }

        .qt-topic-card .topic-img-wrap {
            position: relative;
            height: 180px;
            overflow: hidden;
            background-color: var(--qt-bg-warm);
        }

        .qt-topic-card .topic-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .qt-topic-card:hover .topic-img-wrap img {
            transform: scale(1.03);
        }

        .qt-topic-card .topic-content {
            padding: 18px 20px 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .qt-topic-card .topic-kicker {
            font-size: 12px;
            font-weight: 600;
            color: var(--qt-gold);
            text-transform: uppercase;
            letter-spacing: 0.06em;
            margin-bottom: 6px;
        }

        .qt-topic-card .topic-title {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.5;
            color: var(--qt-text);
            margin-bottom: 8px;
        }

        .qt-topic-card .topic-summary {
            font-size: 14px;
            color: var(--qt-text-muted);
            line-height: 1.8;
        }

        /* FAQ */
        .qt-faq-wrap {
            max-width: 820px;
            margin: 0 auto;
        }

        .qt-accordion-item {
            background: var(--qt-surface);
            border: 1px solid var(--qt-border) !important;
            border-radius: var(--qt-radius) !important;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--qt-shadow-sm);
            transition: var(--qt-transition);
        }

        .qt-accordion-item:hover {
            border-color: var(--qt-border-strong) !important;
            box-shadow: var(--qt-shadow);
        }

        .qt-accordion-button {
            background: var(--qt-surface) !important;
            color: var(--qt-text) !important;
            font-size: 16px;
            font-weight: 600;
            padding: 18px 22px;
            border: none;
            box-shadow: none !important;
            transition: var(--qt-transition);
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }

        .qt-accordion-button:not(.collapsed) {
            color: var(--qt-accent) !important;
            background: var(--qt-accent-soft) !important;
            border-bottom: 1px solid var(--qt-border);
            border-radius: var(--qt-radius) var(--qt-radius) 0 0 !important;
        }

        .qt-accordion-button:focus {
            outline: 2px solid rgba(232, 74, 60, 0.3);
            outline-offset: -2px;
        }

        .qt-accordion-button .fa-chevron-down {
            transition: transform 0.3s ease;
            font-size: 14px;
            color: var(--qt-text-light);
        }

        .qt-accordion-button:not(.collapsed) .fa-chevron-down {
            transform: rotate(180deg);
            color: var(--qt-accent);
        }

        .qt-accordion-body {
            background: var(--qt-surface);
            color: var(--qt-text-muted);
            font-size: 15px;
            line-height: 1.85;
            padding: 18px 22px 22px;
        }

        /* CTA Section */
        .qt-cta-section {
            background-image: linear-gradient(rgba(26, 26, 26, 0.82), rgba(26, 26, 26, 0.82)), url('/assets/images/6c9e83fd6cf8d16e.jpg');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            padding: 72px 0;
            color: #FFFFFF;
            position: relative;
        }

        .qt-cta-content {
            max-width: 680px;
            margin: 0 auto;
            text-align: center;
        }

        .qt-cta-content .cta-title {
            font-size: 30px;
            font-weight: 700;
            color: #FFFFFF;
            line-height: 1.4;
            margin-bottom: 12px;
        }

        .qt-cta-content .cta-desc {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            line-height: 1.9;
            margin-bottom: 28px;
        }

        .qt-cta-btn {
            background: var(--qt-accent);
            color: #FFFFFF;
            border: none;
            border-radius: var(--qt-radius);
            padding: 14px 32px;
            font-size: 16px;
            font-weight: 700;
            cursor: pointer;
            transition: var(--qt-transition);
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .qt-cta-btn:hover {
            background: var(--qt-accent-hover);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 12px 32px rgba(232, 74, 60, 0.35);
        }

        .qt-cta-btn:active {
            transform: scale(0.98);
        }

        .qt-cta-btn:focus-visible {
            outline: 3px solid rgba(255, 255, 255, 0.5);
            outline-offset: 3px;
        }

        .qt-cta-note {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
            margin-top: 16px;
        }

        /* Footer */
        .qt-footer {
            background-color: var(--qt-primary);
            color: #F5F5F4;
            padding: 56px 0 24px;
        }

        .qt-footer .qt-logo {
            color: #FFFFFF;
        }

        .qt-footer .qt-logo .logo-mark {
            background: var(--qt-accent);
            color: #FFFFFF;
        }

        .qt-footer-title {
            font-size: 15px;
            font-weight: 700;
            color: #FFFFFF;
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }

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

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

        .qt-footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: var(--qt-transition);
        }

        .qt-footer-links a:hover {
            color: var(--qt-accent);
        }

        .qt-footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.12);
            margin-top: 40px;
            padding-top: 20px;
            color: rgba(255, 255, 255, 0.5);
            font-size: 13px;
        }

        .qt-footer-bottom a {
            color: rgba(255, 255, 255, 0.6);
            transition: var(--qt-transition);
        }

        .qt-footer-bottom a:hover {
            color: var(--qt-accent);
        }

        /* Responsive */
        @media (max-width: 1199px) {
            .qt-league-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }

        @media (max-width: 991px) {
            .qt-hamburger {
                display: block;
            }

            .qt-nav-list {
                display: none;
                flex-direction: column;
                width: 100%;
                padding: 12px 0 16px;
                gap: 2px;
                align-items: stretch;
            }

            .qt-nav-list.show {
                display: flex;
            }

            .qt-nav-link {
                display: block;
                padding: 10px 14px;
            }

            .qt-nav-cta {
                margin-top: 6px;
                justify-content: center;
                width: 100%;
            }

            .qt-match-list {
                grid-template-columns: repeat(2, 1fr);
            }

            .qt-topic-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .qt-data-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }

            .qt-cat-header .h1-title {
                font-size: 30px;
            }

            :root {
                --qt-section-gap: 56px;
            }
        }

        @media (max-width: 767px) {
            .qt-league-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 14px;
            }

            .qt-league-card .card-img-wrap {
                height: 130px;
            }

            .qt-match-list {
                grid-template-columns: 1fr;
                gap: 18px;
            }

            .qt-topic-grid {
                grid-template-columns: 1fr;
                gap: 18px;
            }

            .qt-data-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }

            .qt-cat-header {
                padding: 40px 0 32px;
            }

            .qt-cat-header .h1-title {
                font-size: 26px;
            }

            .qt-cat-header .cat-desc {
                font-size: 15px;
            }

            .section-title {
                font-size: 24px;
            }

            .qt-cta-content .cta-title {
                font-size: 24px;
            }

            .qt-cta-section {
                padding: 52px 0;
            }

            :root {
                --qt-section-gap: 44px;
            }

            .qt-footer {
                padding: 40px 0 20px;
            }
        }

        @media (max-width: 520px) {
            .qt-league-grid {
                grid-template-columns: 1fr;
                gap: 12px;
            }

            .qt-league-card .card-img-wrap {
                height: 160px;
            }

            .qt-data-grid {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }

            .qt-data-card {
                padding: 18px 14px;
            }

            .qt-data-card .data-number {
                font-size: 28px;
            }

            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .qt-cat-header .h1-title {
                font-size: 22px;
            }

            .qt-nav {
                min-height: 60px;
            }

            .qt-logo {
                font-size: 19px;
            }
        }

/* roulang page: category5 */
:root {
        --qt-primary: #1A1A1A;
        --qt-accent: #E84A3C;
        --qt-accent-hover: #C93D31;
        --qt-accent-soft: #FDECEA;
        --qt-gold: #D9A441;
        --qt-gold-soft: #FBF4E6;
        --qt-bg: #FAFAF8;
        --qt-bg-warm: #F4F3F0;
        --qt-surface: #FFFFFF;
        --qt-text: #212121;
        --qt-text-muted: #6E6E6E;
        --qt-text-light: #9A9A9A;
        --qt-border: #E8E6E1;
        --qt-border-strong: #D8D5CE;
        --qt-radius-sm: 8px;
        --qt-radius: 14px;
        --qt-radius-lg: 18px;
        --qt-shadow-sm: 0 1px 4px rgba(26, 26, 26, 0.05);
        --qt-shadow: 0 8px 28px rgba(26, 26, 26, 0.08);
        --qt-shadow-hover: 0 16px 44px rgba(26, 26, 26, 0.13);
        --qt-font: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
        --qt-transition: all 0.22s ease;
        --qt-section-gap: 72px;
    }
    html {
        scroll-behavior: smooth;
    }
    body {
        font-family: var(--qt-font);
        background-color: var(--qt-bg);
        color: var(--qt-text);
        line-height: 1.85;
        font-size: 15.5px;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
    }
    a {
        text-decoration: none;
        color: inherit;
        transition: var(--qt-transition);
    }
    a:hover {
        color: var(--qt-accent);
    }
    button,
    input,
    select,
    textarea {
        font-family: inherit;
    }
    .container {
        max-width: 1200px;
        padding-left: 24px;
        padding-right: 24px;
    }
    .qt-section {
        padding: var(--qt-section-gap) 0;
    }
    .qt-section-sm {
        padding: 48px 0;
    }
    .qt-section-alt {
        background-color: var(--qt-bg-warm);
    }
    .qt-section-dark {
        background-color: var(--qt-primary);
        color: #F5F5F4;
    }
    .qt-section-dark .section-label {
        color: var(--qt-gold);
    }
    .qt-section-dark .section-title {
        color: #FFFFFF;
    }
    .section-label {
        display: inline-block;
        font-size: 14px;
        font-weight: 600;
        letter-spacing: 0.08em;
        color: var(--qt-accent);
        text-transform: uppercase;
        margin-bottom: 12px;
    }
    .section-title {
        font-size: 28px;
        font-weight: 700;
        line-height: 1.35;
        margin-bottom: 16px;
        color: var(--qt-text);
    }
    .section-desc {
        font-size: 16px;
        color: var(--qt-text-muted);
        line-height: 1.9;
        margin-bottom: 32px;
        max-width: 760px;
    }
    .qt-text-accent {
        color: var(--qt-accent);
    }
    .qt-text-gold {
        color: var(--qt-gold);
    }
    /* Header / Nav */
    .qt-header {
        position: sticky;
        top: 0;
        z-index: 1050;
        background-color: rgba(255, 255, 255, 0.96);
        backdrop-filter: blur(10px);
        -webkit-backdrop-filter: blur(10px);
        border-bottom: 1px solid var(--qt-border);
        transition: var(--qt-transition);
    }
    .qt-nav {
        display: flex;
        align-items: center;
        justify-content: space-between;
        min-height: 68px;
        flex-wrap: wrap;
    }
    .qt-logo {
        font-size: 22px;
        font-weight: 700;
        letter-spacing: 0.04em;
        color: var(--qt-primary);
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .qt-logo .logo-mark {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 32px;
        height: 32px;
        border-radius: 9px;
        background: var(--qt-accent);
        color: #FFFFFF;
        font-size: 16px;
        font-weight: 700;
    }
    .qt-nav-list {
        display: flex;
        align-items: center;
        gap: 4px;
        list-style: none;
        margin: 0;
        padding: 0;
        flex-wrap: wrap;
    }
    .qt-nav-link {
        display: inline-block;
        padding: 8px 14px;
        font-size: 14px;
        font-weight: 500;
        color: var(--qt-text-muted);
        border-radius: 8px;
        transition: var(--qt-transition);
    }
    .qt-nav-link:hover,
    .qt-nav-link.active {
        background-color: var(--qt-accent-soft);
        color: var(--qt-accent);
    }
    .qt-nav-cta {
        background-color: var(--qt-accent);
        color: #FFFFFF;
        border-radius: var(--qt-radius-sm);
        padding: 10px 20px;
        font-size: 14px;
        font-weight: 600;
        border: none;
        cursor: pointer;
        transition: var(--qt-transition);
        display: inline-flex;
        align-items: center;
        gap: 6px;
        white-space: nowrap;
    }
    .qt-nav-cta:hover {
        background-color: var(--qt-accent-hover);
        color: #FFFFFF;
        transform: translateY(-1px);
    }
    .qt-nav-cta:active {
        transform: scale(0.98);
    }
    .qt-nav-cta:focus-visible {
        outline: 3px solid rgba(232, 74, 60, 0.35);
        outline-offset: 2px;
    }
    .qt-hamburger {
        display: none;
        border: 1px solid var(--qt-border);
        border-radius: 8px;
        padding: 8px 12px;
        background: var(--qt-surface);
        color: var(--qt-text);
        font-size: 18px;
        cursor: pointer;
        transition: var(--qt-transition);
    }
    .qt-hamburger:hover {
        background-color: var(--qt-bg-warm);
        border-color: var(--qt-border-strong);
    }
    /* Breadcrumb */
    .qt-breadcrumb {
        padding: 20px 0 8px;
        font-size: 14px;
        color: var(--qt-text-muted);
    }
    .qt-breadcrumb a {
        color: var(--qt-text-muted);
    }
    .qt-breadcrumb a:hover {
        color: var(--qt-accent);
    }
    .qt-breadcrumb .separator {
        margin: 0 8px;
        color: var(--qt-text-light);
    }
    .qt-breadcrumb .current {
        color: var(--qt-text);
        font-weight: 500;
    }
    /* Category Hero */
    .qt-category-head {
        background: linear-gradient(135deg, #FFFFFF 0%, var(--qt-bg-warm) 100%);
        border-bottom: 1px solid var(--qt-border);
        padding: 48px 0 40px;
    }
    .qt-category-head-inner {
        display: flex;
        align-items: center;
        gap: 32px;
    }
    .qt-category-head-content {
        flex: 1;
    }
    .qt-category-head-title {
        font-size: 32px;
        font-weight: 700;
        line-height: 1.3;
        margin-bottom: 12px;
    }
    .qt-category-head-desc {
        font-size: 16px;
        color: var(--qt-text-muted);
        line-height: 1.9;
        max-width: 680px;
        margin-bottom: 0;
    }
    .qt-category-head-figure {
        flex-shrink: 0;
        width: 280px;
        height: 210px;
        border-radius: var(--qt-radius-lg);
        overflow: hidden;
        box-shadow: var(--qt-shadow);
        position: relative;
    }
    .qt-category-head-figure img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    .qt-category-head-figure::after {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(160deg, rgba(26,26,26,0) 62%, rgba(26,26,26,0.35) 100%);
        pointer-events: none;
    }
    /* Team Cards */
    .qt-team-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
    .qt-team-card {
        background: var(--qt-surface);
        border-radius: var(--qt-radius);
        border: 1px solid var(--qt-border);
        box-shadow: var(--qt-shadow-sm);
        overflow: hidden;
        transition: var(--qt-transition);
        display: flex;
        flex-direction: column;
    }
    .qt-team-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--qt-shadow-hover);
        border-color: var(--qt-border-strong);
    }
    .qt-team-card-img {
        height: 190px;
        object-fit: cover;
        width: 100%;
        background-color: var(--qt-bg-warm);
    }
    .qt-team-card-body {
        padding: 20px 22px 22px;
        display: flex;
        flex-direction: column;
        flex: 1;
    }
    .qt-team-card-meta {
        font-size: 13px;
        color: var(--qt-text-light);
        display: flex;
        align-items: center;
        gap: 12px;
        margin-bottom: 10px;
    }
    .qt-team-card-title {
        font-size: 19px;
        font-weight: 700;
        color: var(--qt-text);
        margin-bottom: 8px;
        line-height: 1.4;
    }
    .qt-team-card-desc {
        font-size: 14.5px;
        color: var(--qt-text-muted);
        line-height: 1.8;
        margin-bottom: 18px;
        flex: 1;
    }
    .qt-btn {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-weight: 600;
        border-radius: var(--qt-radius-sm);
        padding: 10px 18px;
        font-size: 14px;
        border: none;
        cursor: pointer;
        transition: var(--qt-transition);
        text-decoration: none;
    }
    .qt-btn-primary {
        background-color: var(--qt-accent);
        color: #FFFFFF;
    }
    .qt-btn-primary:hover {
        background-color: var(--qt-accent-hover);
        color: #FFFFFF;
        transform: translateY(-1px);
    }
    .qt-btn-primary:active {
        transform: scale(0.98);
    }
    .qt-btn-outline {
        background-color: transparent;
        color: var(--qt-text);
        border: 1px solid var(--qt-border-strong);
    }
    .qt-btn-outline:hover {
        border-color: var(--qt-accent);
        color: var(--qt-accent);
        background-color: var(--qt-accent-soft);
    }
    .qt-btn:focus-visible {
        outline: 3px solid rgba(232, 74, 60, 0.35);
        outline-offset: 2px;
    }
    /* Stats Strip */
    .qt-stats-strip {
        background: var(--qt-primary);
        border-radius: var(--qt-radius-lg);
        padding: 36px 32px;
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 32px;
    }
    .qt-stat-item {
        color: #FFFFFF;
        text-align: left;
    }
    .qt-stat-number {
        font-size: 34px;
        font-weight: 700;
        color: var(--qt-gold);
        line-height: 1.2;
        margin-bottom: 6px;
    }
    .qt-stat-label {
        font-size: 14px;
        color: rgba(255,255,255,0.65);
        line-height: 1.7;
    }
    /* Rank Cards */
    .qt-rank-grid {
        display: grid;
        grid-template-columns: repeat(5, 1fr);
        gap: 16px;
    }
    .qt-rank-card {
        background: var(--qt-surface);
        border-radius: var(--qt-radius-sm);
        border: 1px solid var(--qt-border);
        padding: 18px 16px;
        text-align: center;
        box-shadow: var(--qt-shadow-sm);
        transition: var(--qt-transition);
    }
    .qt-rank-card:hover {
        transform: translateY(-3px);
        box-shadow: var(--qt-shadow);
        border-color: var(--qt-border-strong);
    }
    .qt-rank-league {
        font-size: 13px;
        color: var(--qt-text-light);
        margin-bottom: 6px;
    }
    .qt-rank-name {
        font-size: 17px;
        font-weight: 700;
        color: var(--qt-text);
        margin-bottom: 4px;
    }
    .qt-rank-stat {
        font-size: 13px;
        color: var(--qt-accent);
        font-weight: 600;
    }
    /* Featured List */
    .qt-featured-list {
        list-style: none;
        margin: 0;
        padding: 0;
    }
    .qt-featured-item {
        display: flex;
        align-items: center;
        gap: 20px;
        padding: 18px 0;
        border-bottom: 1px solid var(--qt-border);
    }
    .qt-featured-item:last-child {
        border-bottom: none;
    }
    .qt-featured-date {
        font-size: 13px;
        color: var(--qt-text-light);
        width: 96px;
        flex-shrink: 0;
    }
    .qt-featured-title {
        font-size: 16px;
        font-weight: 600;
        color: var(--qt-text);
        flex: 1;
    }
    .qt-featured-tag {
        display: inline-block;
        font-size: 12px;
        font-weight: 600;
        color: var(--qt-accent);
        background-color: var(--qt-accent-soft);
        padding: 4px 10px;
        border-radius: 20px;
        white-space: nowrap;
    }
    /* FAQ */
    .qt-accordion .accordion-item {
        border: 1px solid var(--qt-border);
        border-radius: var(--qt-radius-sm) !important;
        margin-bottom: 12px;
        overflow: hidden;
        background: var(--qt-surface);
        box-shadow: var(--qt-shadow-sm);
    }
    .qt-accordion .accordion-button {
        font-weight: 600;
        color: var(--qt-text);
        background-color: var(--qt-surface);
        padding: 18px 22px;
        font-size: 15.5px;
        border-radius: var(--qt-radius-sm) !important;
        box-shadow: none;
    }
    .qt-accordion .accordion-button:not(.collapsed) {
        background-color: var(--qt-accent-soft);
        color: var(--qt-text);
        box-shadow: none;
    }
    .qt-accordion .accordion-button:focus {
        box-shadow: none;
    }
    .qt-accordion .accordion-body {
        font-size: 14.5px;
        color: var(--qt-text-muted);
        line-height: 1.9;
        padding: 18px 22px 22px;
    }
    /* CTA */
    .qt-cta-panel {
        background: linear-gradient(135deg, #1A1A1A 0%, #2A2A2A 100%);
        border-radius: var(--qt-radius-lg);
        padding: 48px 40px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 32px;
        color: #FFFFFF;
    }
    .qt-cta-panel-title {
        font-size: 24px;
        font-weight: 700;
        margin-bottom: 10px;
        color: #FFFFFF;
    }
    .qt-cta-panel-desc {
        font-size: 15px;
        color: rgba(255,255,255,0.6);
        line-height: 1.8;
        max-width: 560px;
    }
    .qt-cta-form {
        display: flex;
        gap: 12px;
        flex-shrink: 0;
    }
    .qt-cta-input {
        border-radius: var(--qt-radius-sm);
        border: 1px solid rgba(255,255,255,0.2);
        background-color: rgba(255,255,255,0.06);
        color: #FFFFFF;
        padding: 12px 18px;
        font-size: 14px;
        min-width: 260px;
        transition: var(--qt-transition);
    }
    .qt-cta-input::placeholder {
        color: rgba(255,255,255,0.4);
    }
    .qt-cta-input:focus {
        outline: none;
        border-color: var(--qt-gold);
        background-color: rgba(255,255,255,0.1);
    }
    /* Brand section */
    .qt-brand-panel {
        background-color: var(--qt-surface);
        border-radius: var(--qt-radius-lg);
        border: 1px solid var(--qt-border);
        padding: 36px 36px;
        box-shadow: var(--qt-shadow-sm);
    }
    .qt-brand-panel .section-title {
        font-size: 22px;
    }
    .qt-brand-panel p {
        font-size: 15px;
        color: var(--qt-text-muted);
        line-height: 1.95;
        margin-bottom: 12px;
    }
    .qt-brand-panel p:last-child {
        margin-bottom: 0;
    }
    /* Footer */
    .qt-footer {
        background-color: var(--qt-primary);
        color: rgba(255,255,255,0.7);
        padding: 48px 0 32px;
        margin-top: 0;
    }
    .qt-footer-title {
        font-size: 15px;
        font-weight: 700;
        color: #FFFFFF;
        margin-bottom: 16px;
    }
    .qt-footer-links {
        list-style: none;
        margin: 0;
        padding: 0;
    }
    .qt-footer-links li {
        margin-bottom: 10px;
    }
    .qt-footer-links a {
        color: rgba(255,255,255,0.6);
        font-size: 14px;
        transition: var(--qt-transition);
    }
    .qt-footer-links a:hover {
        color: var(--qt-gold);
    }
    .qt-footer-bottom {
        border-top: 1px solid rgba(255,255,255,0.1);
        margin-top: 32px;
        padding-top: 20px;
        font-size: 13px;
        color: rgba(255,255,255,0.5);
    }
    .qt-footer-bottom a {
        color: rgba(255,255,255,0.6);
    }
    .qt-footer-bottom a:hover {
        color: var(--qt-gold);
    }
    /* Responsive */
    @media (max-width: 991.98px) {
        .qt-hamburger {
            display: inline-flex;
            align-items: center;
            justify-content: center;
        }
        .qt-nav-list {
            display: none;
            flex-direction: column;
            align-items: stretch;
            width: 100%;
            padding: 16px 0 8px;
            gap: 2px;
            border-top: 1px solid var(--qt-border);
            margin-top: 8px;
        }
        .qt-nav-list.show {
            display: flex;
        }
        .qt-nav-link {
            padding: 12px 16px;
            font-size: 15px;
        }
        .qt-nav-cta {
            justify-content: center;
            margin-top: 8px;
            width: 100%;
        }
        .qt-team-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .qt-stats-strip {
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .qt-rank-grid {
            grid-template-columns: repeat(3, 1fr);
        }
        .qt-cta-panel {
            flex-direction: column;
            align-items: flex-start;
            padding: 36px 28px;
        }
        .qt-cta-form {
            width: 100%;
            flex-direction: column;
        }
        .qt-cta-input {
            min-width: auto;
            width: 100%;
        }
        .qt-category-head-inner {
            flex-direction: column;
            align-items: flex-start;
        }
        .qt-category-head-figure {
            width: 100%;
            max-width: 480px;
            height: 240px;
        }
    }
    @media (max-width: 575.98px) {
        .qt-section {
            padding: 52px 0;
        }
        .qt-team-grid {
            grid-template-columns: 1fr;
        }
        .qt-stats-strip {
            grid-template-columns: 1fr;
            padding: 28px 24px;
        }
        .qt-rank-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .qt-featured-item {
            flex-wrap: wrap;
            gap: 10px;
        }
        .qt-featured-date {
            width: auto;
        }
        .qt-category-head-title {
            font-size: 26px;
        }
        .section-title {
            font-size: 24px;
        }
    }

/* roulang page: category6 */
:root {
            --qt-primary: #1A1A1A;
            --qt-accent: #E84A3C;
            --qt-accent-hover: #C93D31;
            --qt-accent-soft: #FDECEA;
            --qt-gold: #D9A441;
            --qt-gold-soft: #FBF4E6;
            --qt-bg: #FAFAF8;
            --qt-bg-warm: #F4F3F0;
            --qt-surface: #FFFFFF;
            --qt-text: #212121;
            --qt-text-muted: #6E6E6E;
            --qt-text-light: #9A9A9A;
            --qt-border: #E8E6E1;
            --qt-border-strong: #D8D5CE;
            --qt-radius-sm: 8px;
            --qt-radius: 14px;
            --qt-radius-lg: 18px;
            --qt-shadow-sm: 0 1px 4px rgba(26, 26, 26, 0.05);
            --qt-shadow: 0 8px 28px rgba(26, 26, 26, 0.08);
            --qt-shadow-hover: 0 16px 44px rgba(26, 26, 26, 0.13);
            --qt-font: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --qt-transition: all 0.22s ease;
            --qt-section-gap: 72px;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--qt-font);
            background-color: var(--qt-bg);
            color: var(--qt-text);
            line-height: 1.85;
            font-size: 15.5px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: var(--qt-transition);
        }

        a:hover {
            color: var(--qt-accent);
        }

        ul,
        ol {
            list-style: none;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }

        .qt-section {
            padding: var(--qt-section-gap) 0;
        }

        .qt-section-sm {
            padding: 48px 0;
        }

        .qt-section-alt {
            background-color: var(--qt-bg-warm);
        }

        .qt-section-dark {
            background-color: var(--qt-primary);
            color: #F5F5F4;
        }

        .qt-section-dark .section-label {
            color: var(--qt-gold);
        }

        .qt-section-dark .section-title {
            color: #FFFFFF;
        }

        .qt-section-dark .section-desc {
            color: rgba(255, 255, 255, 0.72);
        }

        .section-label {
            display: inline-block;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--qt-accent);
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 16px;
            color: var(--qt-text);
        }

        .section-desc {
            font-size: 16px;
            color: var(--qt-text-muted);
            line-height: 1.9;
            margin-bottom: 32px;
            max-width: 760px;
        }

        .qt-text-accent {
            color: var(--qt-accent);
        }

        .qt-text-gold {
            color: var(--qt-gold);
        }

        /* Header / Nav */
        .qt-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background-color: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--qt-border);
            transition: var(--qt-transition);
        }

        .qt-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            flex-wrap: wrap;
        }

        .qt-logo {
            font-size: 22px;
            font-weight: 700;
            letter-spacing: 0.04em;
            color: var(--qt-primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .qt-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 9px;
            background: var(--qt-accent);
            color: #FFFFFF;
            font-size: 16px;
            font-weight: 700;
        }

        .qt-nav-list {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
        }

        .qt-nav-link {
            display: inline-block;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--qt-text-muted);
            border-radius: 8px;
            transition: var(--qt-transition);
        }

        .qt-nav-link:hover,
        .qt-nav-link.active {
            background-color: var(--qt-accent-soft);
            color: var(--qt-accent);
        }

        .qt-nav-cta {
            background-color: var(--qt-accent);
            color: #FFFFFF;
            border-radius: var(--qt-radius-sm);
            padding: 10px 20px;
            font-size: 14px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--qt-transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }

        .qt-nav-cta:hover {
            background-color: var(--qt-accent-hover);
            color: #FFFFFF;
            transform: translateY(-1px);
        }

        .qt-nav-cta:active {
            transform: scale(0.98);
        }

        .qt-nav-cta:focus-visible {
            outline: 3px solid rgba(232, 74, 60, 0.35);
            outline-offset: 2px;
        }

        .qt-hamburger {
            display: none;
            border: 1px solid var(--qt-border);
            border-radius: 8px;
            padding: 8px 12px;
            background: var(--qt-surface);
            color: var(--qt-text);
            font-size: 18px;
            cursor: pointer;
            transition: var(--qt-transition);
        }

        .qt-hamburger:hover {
            background-color: var(--qt-bg-warm);
            border-color: var(--qt-border-strong);
        }

        /* Breadcrumb */
        .qt-breadcrumb-bar {
            background-color: var(--qt-surface);
            border-bottom: 1px solid var(--qt-border);
            padding: 14px 0;
        }

        .qt-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--qt-text-muted);
            flex-wrap: wrap;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .qt-breadcrumb li {
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .qt-breadcrumb li+li::before {
            content: '/';
            color: var(--qt-border-strong);
            font-size: 13px;
            margin-right: 4px;
        }

        .qt-breadcrumb a {
            color: var(--qt-text-muted);
            font-weight: 500;
        }

        .qt-breadcrumb a:hover {
            color: var(--qt-accent);
        }

        .qt-breadcrumb .current {
            color: var(--qt-text);
            font-weight: 600;
        }

        /* Category Page Header */
        .qt-cat-header {
            padding: 40px 0 24px;
        }

        .qt-cat-header h1 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 14px;
            color: var(--qt-text);
        }

        .qt-cat-header .cat-desc {
            font-size: 16px;
            color: var(--qt-text-muted);
            line-height: 1.9;
            max-width: 820px;
        }

        /* Filter Bar */
        .qt-filter-bar {
            background-color: var(--qt-surface);
            border: 1px solid var(--qt-border);
            border-radius: var(--qt-radius);
            padding: 16px 20px;
            box-shadow: var(--qt-shadow-sm);
            margin-bottom: 32px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 12px;
            justify-content: space-between;
        }

        .qt-filter-group {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
        }

        .qt-filter-label {
            font-size: 13px;
            font-weight: 600;
            color: var(--qt-text-muted);
            margin-right: 4px;
            white-space: nowrap;
        }

        .qt-filter-btn {
            padding: 7px 16px;
            font-size: 13px;
            border-radius: 20px;
            border: 1px solid var(--qt-border);
            background: var(--qt-surface);
            color: var(--qt-text-muted);
            cursor: pointer;
            transition: var(--qt-transition);
            white-space: nowrap;
        }

        .qt-filter-btn:hover {
            border-color: var(--qt-accent);
            color: var(--qt-accent);
            background: var(--qt-accent-soft);
        }

        .qt-filter-btn.active {
            background: var(--qt-accent);
            color: #FFFFFF;
            border-color: var(--qt-accent);
        }

        .qt-filter-count {
            font-size: 13px;
            color: var(--qt-text-light);
            white-space: nowrap;
        }

        /* Tool Cards */
        .qt-tool-card {
            background: var(--qt-surface);
            border: 1px solid var(--qt-border);
            border-radius: var(--qt-radius);
            overflow: hidden;
            box-shadow: var(--qt-shadow-sm);
            transition: var(--qt-transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .qt-tool-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--qt-shadow-hover);
            border-color: var(--qt-border-strong);
        }

        .qt-tool-card .card-img-wrap {
            position: relative;
            height: 190px;
            overflow: hidden;
        }

        .qt-tool-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.35s ease;
        }

        .qt-tool-card:hover .card-img-wrap img {
            transform: scale(1.04);
        }

        .qt-tool-card .card-body {
            padding: 20px 20px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .qt-tool-card .card-tag {
            display: inline-block;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: 12px;
            background: var(--qt-accent-soft);
            color: var(--qt-accent);
            margin-bottom: 12px;
            align-self: flex-start;
        }

        .qt-tool-card h3 {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.5;
            margin-bottom: 10px;
            color: var(--qt-text);
        }

        .qt-tool-card .card-summary {
            font-size: 14px;
            color: var(--qt-text-muted);
            line-height: 1.8;
            margin-bottom: 16px;
            flex: 1;
        }

        .qt-tool-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 13px;
            color: var(--qt-text-light);
            border-top: 1px solid var(--qt-border);
            padding-top: 14px;
        }

        .qt-tool-card .card-meta .date {
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .qt-tool-card .read-more {
            font-size: 14px;
            font-weight: 600;
            color: var(--qt-accent);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: var(--qt-transition);
        }

        .qt-tool-card .read-more:hover {
            color: var(--qt-accent-hover);
            gap: 8px;
        }

        /* Featured Item */
        .qt-featured-item {
            background: var(--qt-surface);
            border: 1px solid var(--qt-border);
            border-radius: var(--qt-radius);
            padding: 22px 24px;
            box-shadow: var(--qt-shadow-sm);
            display: flex;
            gap: 20px;
            align-items: flex-start;
            transition: var(--qt-transition);
            height: 100%;
        }

        .qt-featured-item:hover {
            box-shadow: var(--qt-shadow-hover);
            border-color: var(--qt-border-strong);
            transform: translateY(-2px);
        }

        .qt-featured-item .fi-icon {
            flex-shrink: 0;
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--qt-gold-soft);
            color: var(--qt-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
        }

        .qt-featured-item .fi-content h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--qt-text);
        }

        .qt-featured-item .fi-content p {
            font-size: 14px;
            color: var(--qt-text-muted);
            line-height: 1.8;
            margin-bottom: 0;
        }

        .qt-featured-item .fi-content .fi-link {
            display: inline-block;
            margin-top: 10px;
            font-size: 14px;
            font-weight: 600;
            color: var(--qt-accent);
        }

        .qt-featured-item .fi-content .fi-link:hover {
            color: var(--qt-accent-hover);
        }

        /* Data Summary */
        .qt-data-summary {
            background: var(--qt-primary);
            border-radius: var(--qt-radius-lg);
            padding: 40px 36px;
            color: #F5F5F4;
        }

        .qt-stat-card {
            text-align: center;
            padding: 16px 12px;
        }

        .qt-stat-card .stat-value {
            font-size: 34px;
            font-weight: 700;
            line-height: 1.3;
            color: var(--qt-gold);
            margin-bottom: 8px;
        }

        .qt-stat-card .stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.72);
            line-height: 1.7;
        }

        /* FAQ */
        .qt-accordion .accordion-item {
            border: 1px solid var(--qt-border);
            border-radius: var(--qt-radius-sm) !important;
            margin-bottom: 12px;
            overflow: hidden;
            background: var(--qt-surface);
            box-shadow: var(--qt-shadow-sm);
        }

        .qt-accordion .accordion-button {
            background: var(--qt-surface);
            color: var(--qt-text);
            font-weight: 600;
            font-size: 15px;
            padding: 18px 22px;
            border: none;
            box-shadow: none;
            border-radius: var(--qt-radius-sm) !important;
            transition: var(--qt-transition);
        }

        .qt-accordion .accordion-button:not(.collapsed) {
            background: var(--qt-accent-soft);
            color: var(--qt-accent);
            box-shadow: none;
        }

        .qt-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(232, 74, 60, 0.2);
            border-color: var(--qt-accent);
        }

        .qt-accordion .accordion-button::after {
            filter: invert(40%) sepia(0%) saturate(0%) hue-rotate(0deg);
        }

        .qt-accordion .accordion-body {
            padding: 16px 22px 20px;
            font-size: 14.5px;
            color: var(--qt-text-muted);
            line-height: 1.9;
            background: var(--qt-surface);
        }

        /* CTA */
        .qt-cta-band {
            background: linear-gradient(135deg, #1A1A1A 0%, #2A2A2A 100%);
            border-radius: var(--qt-radius-lg);
            padding: 48px 36px;
            text-align: center;
            color: #F5F5F4;
        }

        .qt-cta-band h2 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 14px;
            color: #FFFFFF;
        }

        .qt-cta-band p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.75);
            max-width: 620px;
            margin: 0 auto 28px;
            line-height: 1.9;
        }

        .qt-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            font-size: 15px;
            font-weight: 600;
            border-radius: var(--qt-radius-sm);
            border: none;
            cursor: pointer;
            transition: var(--qt-transition);
        }

        .qt-btn-primary {
            background: var(--qt-accent);
            color: #FFFFFF;
        }

        .qt-btn-primary:hover {
            background: var(--qt-accent-hover);
            color: #FFFFFF;
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(232, 74, 60, 0.3);
        }

        .qt-btn-primary:active {
            transform: scale(0.97);
        }

        .qt-btn-primary:focus-visible {
            outline: 3px solid rgba(232, 74, 60, 0.4);
            outline-offset: 2px;
        }

        .qt-btn-outline {
            background: transparent;
            color: #FFFFFF;
            border: 1.5px solid rgba(255, 255, 255, 0.5);
        }

        .qt-btn-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #FFFFFF;
            border-color: #FFFFFF;
            transform: translateY(-2px);
        }

        /* Brand snippet */
        .qt-brand-snippet {
            background: var(--qt-surface);
            border: 1px solid var(--qt-border);
            border-radius: var(--qt-radius);
            padding: 28px 32px;
            box-shadow: var(--qt-shadow-sm);
            display: flex;
            gap: 24px;
            align-items: flex-start;
            flex-wrap: wrap;
        }

        .qt-brand-snippet .bs-icon {
            flex-shrink: 0;
            width: 56px;
            height: 56px;
            border-radius: 14px;
            background: var(--qt-accent-soft);
            color: var(--qt-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
        }

        .qt-brand-snippet .bs-content {
            flex: 1;
            min-width: 260px;
        }

        .qt-brand-snippet .bs-content h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--qt-text);
        }

        .qt-brand-snippet .bs-content p {
            font-size: 14.5px;
            color: var(--qt-text-muted);
            line-height: 1.9;
            margin-bottom: 0;
        }

        /* Footer */
        .qt-footer {
            background: var(--qt-primary);
            color: rgba(255, 255, 255, 0.72);
            padding: 56px 0 32px;
            margin-top: var(--qt-section-gap);
        }

        .qt-footer .qt-logo {
            color: #FFFFFF;
        }

        .qt-footer-title {
            color: #FFFFFF;
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 16px;
        }

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

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

        .qt-footer-links a {
            color: rgba(255, 255, 255, 0.62);
            font-size: 14px;
            transition: var(--qt-transition);
        }

        .qt-footer-links a:hover {
            color: var(--qt-gold);
        }

        .qt-footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.14);
            margin-top: 36px;
            padding-top: 20px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        .qt-footer-bottom a {
            color: rgba(255, 255, 255, 0.62);
        }

        .qt-footer-bottom a:hover {
            color: var(--qt-gold);
        }

        /* Responsive */
        @media (max-width: 991.98px) {
            .qt-nav-list {
                gap: 2px;
            }

            .qt-nav-link {
                padding: 8px 10px;
                font-size: 13px;
            }

            .section-title {
                font-size: 24px;
            }

            .qt-tool-card .card-img-wrap {
                height: 170px;
            }

            .qt-data-summary {
                padding: 32px 24px;
            }

            .qt-stat-card .stat-value {
                font-size: 28px;
            }
        }

        @media (max-width: 767.98px) {
            .qt-hamburger {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }

            .qt-nav-list {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                padding: 12px 0 16px;
                background: var(--qt-surface);
            }

            .qt-nav-list.show {
                display: flex;
            }

            .qt-nav-link {
                display: block;
                padding: 10px 14px;
                font-size: 14px;
                border-radius: 8px;
            }

            .qt-nav-cta {
                margin-top: 8px;
                justify-content: center;
            }

            .qt-nav {
                flex-wrap: wrap;
                padding: 12px 0;
            }

            .qt-section {
                padding: 48px 0;
            }

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

            .qt-cat-header h1 {
                font-size: 26px;
            }

            .qt-filter-bar {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
                padding: 14px 16px;
            }

            .qt-tool-card .card-img-wrap {
                height: 200px;
            }

            .qt-cta-band {
                padding: 32px 20px;
            }

            .qt-cta-band h2 {
                font-size: 22px;
            }

            .qt-brand-snippet {
                flex-direction: column;
                gap: 16px;
                padding: 20px;
            }

            .qt-featured-item {
                flex-direction: column;
                gap: 14px;
                padding: 18px;
            }

            .qt-footer {
                padding: 40px 0 24px;
                margin-top: 48px;
            }
        }

        @media (max-width: 575.98px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

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

            .qt-cat-header h1 {
                font-size: 22px;
            }

            .qt-tool-card .card-img-wrap {
                height: 180px;
            }

            .qt-data-summary {
                padding: 24px 16px;
            }

            .qt-stat-card .stat-value {
                font-size: 24px;
            }

            .qt-cta-band h2 {
                font-size: 20px;
            }

            .qt-filter-btn {
                padding: 6px 12px;
                font-size: 12px;
            }
        }

/* roulang page: category4 */
:root {
            --qt-primary: #1A1A1A;
            --qt-accent: #E84A3C;
            --qt-accent-hover: #C93D31;
            --qt-accent-soft: #FDECEA;
            --qt-gold: #D9A441;
            --qt-gold-soft: #FBF4E6;
            --qt-bg: #FAFAF8;
            --qt-bg-warm: #F4F3F0;
            --qt-surface: #FFFFFF;
            --qt-text: #212121;
            --qt-text-muted: #6E6E6E;
            --qt-text-light: #9A9A9A;
            --qt-border: #E8E6E1;
            --qt-border-strong: #D8D5CE;
            --qt-radius-sm: 8px;
            --qt-radius: 14px;
            --qt-radius-lg: 18px;
            --qt-shadow-sm: 0 1px 4px rgba(26, 26, 26, 0.05);
            --qt-shadow: 0 8px 28px rgba(26, 26, 26, 0.08);
            --qt-shadow-hover: 0 16px 44px rgba(26, 26, 26, 0.13);
            --qt-font: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
            --qt-transition: all 0.22s ease;
            --qt-section-gap: 72px;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--qt-font);
            background-color: var(--qt-bg);
            color: var(--qt-text);
            line-height: 1.85;
            font-size: 15.5px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: var(--qt-transition);
        }
        a:hover {
            color: var(--qt-accent);
        }
        button, input, select, textarea {
            font-family: inherit;
        }
        .container {
            max-width: 1200px;
            padding-left: 24px;
            padding-right: 24px;
        }
        .qt-section {
            padding: var(--qt-section-gap) 0;
        }
        .qt-section-sm {
            padding: 48px 0;
        }
        .qt-section-alt {
            background-color: var(--qt-bg-warm);
        }
        .qt-section-dark {
            background-color: var(--qt-primary);
            color: #F5F5F4;
        }
        .qt-section-dark .section-label {
            color: var(--qt-gold);
        }
        .qt-section-dark .section-title {
            color: #FFFFFF;
        }
        .section-label {
            display: inline-block;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.08em;
            color: var(--qt-accent);
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .section-title {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.35;
            margin-bottom: 16px;
            color: var(--qt-text);
        }
        .section-desc {
            font-size: 16px;
            color: var(--qt-text-muted);
            line-height: 1.9;
            margin-bottom: 32px;
            max-width: 760px;
        }
        .qt-text-accent {
            color: var(--qt-accent);
        }
        .qt-text-gold {
            color: var(--qt-gold);
        }
        /* Header / Nav */
        .qt-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background-color: rgba(255, 255, 255, 0.96);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid var(--qt-border);
            transition: var(--qt-transition);
        }
        .qt-nav {
            display: flex;
            align-items: center;
            justify-content: space-between;
            min-height: 68px;
            flex-wrap: wrap;
        }
        .qt-logo {
            font-size: 22px;
            font-weight: 700;
            letter-spacing: 0.04em;
            color: var(--qt-primary);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .qt-logo .logo-mark {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 9px;
            background: var(--qt-accent);
            color: #FFFFFF;
            font-size: 16px;
            font-weight: 700;
        }
        .qt-nav-list {
            display: flex;
            align-items: center;
            gap: 4px;
            list-style: none;
            margin: 0;
            padding: 0;
            flex-wrap: wrap;
        }
        .qt-nav-link {
            display: inline-block;
            padding: 8px 14px;
            font-size: 14px;
            font-weight: 500;
            color: var(--qt-text-muted);
            border-radius: 8px;
            transition: var(--qt-transition);
        }
        .qt-nav-link:hover,
        .qt-nav-link.active {
            background-color: var(--qt-accent-soft);
            color: var(--qt-accent);
        }
        .qt-nav-cta {
            background-color: var(--qt-accent);
            color: #FFFFFF;
            border-radius: var(--qt-radius-sm);
            padding: 10px 20px;
            font-size: 14px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            transition: var(--qt-transition);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            white-space: nowrap;
        }
        .qt-nav-cta:hover {
            background-color: var(--qt-accent-hover);
            color: #FFFFFF;
            transform: translateY(-1px);
        }
        .qt-nav-cta:active {
            transform: scale(0.98);
        }
        .qt-nav-cta:focus-visible {
            outline: 3px solid rgba(232, 74, 60, 0.35);
            outline-offset: 2px;
        }
        .qt-hamburger {
            display: none;
            border: 1px solid var(--qt-border);
            border-radius: 8px;
            padding: 8px 12px;
            background: var(--qt-surface);
            color: var(--qt-text);
            font-size: 18px;
            cursor: pointer;
            transition: var(--qt-transition);
        }
        .qt-hamburger:hover {
            background-color: var(--qt-bg-warm);
        }
        /* Breadcrumb */
        .qt-breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--qt-text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .qt-breadcrumb a {
            color: var(--qt-text-muted);
        }
        .qt-breadcrumb a:hover {
            color: var(--qt-accent);
        }
        .qt-breadcrumb .separator {
            color: var(--qt-text-light);
            font-size: 12px;
        }
        .qt-breadcrumb .current {
            color: var(--qt-text);
            font-weight: 600;
        }
        /* Category Page Header */
        .qt-cat-header {
            padding: 48px 0 40px;
            background: linear-gradient(180deg, #FAFAF8 0%, #F4F3F0 100%);
            border-bottom: 1px solid var(--qt-border);
        }
        .qt-cat-header h1 {
            font-size: 32px;
            font-weight: 700;
            line-height: 1.3;
            margin-bottom: 14px;
            color: var(--qt-text);
        }
        .qt-cat-header .cat-desc {
            font-size: 16px;
            color: var(--qt-text-muted);
            line-height: 1.9;
            max-width: 760px;
            margin-bottom: 20px;
        }
        /* Filter bar */
        .qt-filter-bar {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            background: var(--qt-surface);
            border: 1px solid var(--qt-border);
            border-radius: var(--qt-radius);
            padding: 14px 18px;
            box-shadow: var(--qt-shadow-sm);
        }
        .qt-filter-bar .filter-group {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .qt-filter-bar select,
        .qt-filter-bar input {
            border: 1px solid var(--qt-border);
            border-radius: var(--qt-radius-sm);
            padding: 8px 14px;
            font-size: 14px;
            background-color: var(--qt-surface);
            color: var(--qt-text);
            outline: none;
            transition: var(--qt-transition);
            min-width: 140px;
        }
        .qt-filter-bar select:focus,
        .qt-filter-bar input:focus {
            border-color: var(--qt-accent);
            box-shadow: 0 0 0 3px rgba(232, 74, 60, 0.1);
        }
        .qt-filter-bar .filter-tag {
            padding: 8px 16px;
            border-radius: 999px;
            border: 1px solid var(--qt-border);
            background: var(--qt-surface);
            color: var(--qt-text-muted);
            font-size: 13px;
            font-weight: 500;
            cursor: pointer;
            transition: var(--qt-transition);
            white-space: nowrap;
        }
        .qt-filter-bar .filter-tag:hover,
        .qt-filter-bar .filter-tag.active {
            background-color: var(--qt-accent-soft);
            border-color: var(--qt-accent);
            color: var(--qt-accent);
        }
        /* Cards */
        .qt-card {
            background: var(--qt-surface);
            border: 1px solid var(--qt-border);
            border-radius: var(--qt-radius);
            overflow: hidden;
            box-shadow: var(--qt-shadow-sm);
            transition: var(--qt-transition);
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .qt-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--qt-shadow-hover);
            border-color: var(--qt-border-strong);
        }
        .qt-card-img {
            position: relative;
            height: 200px;
            overflow: hidden;
            flex-shrink: 0;
        }
        .qt-card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.35s ease;
        }
        .qt-card:hover .qt-card-img img {
            transform: scale(1.03);
        }
        .qt-card-body {
            padding: 20px 22px 22px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .qt-card-meta {
            font-size: 13px;
            color: var(--qt-text-light);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 10px;
        }
        .qt-card-badge {
            display: inline-block;
            padding: 3px 10px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 600;
            background-color: var(--qt-accent-soft);
            color: var(--qt-accent);
            letter-spacing: 0.03em;
        }
        .qt-card-title {
            font-size: 18px;
            font-weight: 700;
            line-height: 1.45;
            margin-bottom: 10px;
            color: var(--qt-text);
        }
        .qt-card-text {
            font-size: 14.5px;
            color: var(--qt-text-muted);
            line-height: 1.85;
            margin-bottom: 16px;
            flex: 1;
        }
        .qt-card-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            align-self: flex-start;
            color: var(--qt-accent);
            font-size: 14px;
            font-weight: 600;
            transition: var(--qt-transition);
            background: none;
            border: none;
            padding: 0;
            cursor: pointer;
        }
        .qt-card-btn:hover {
            color: var(--qt-accent-hover);
            gap: 10px;
        }
        /* Data summary */
        .qt-stat-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .qt-stat-item {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--qt-radius);
            padding: 28px 24px;
            text-align: center;
            transition: var(--qt-transition);
        }
        .qt-stat-item:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(255, 255, 255, 0.2);
        }
        .qt-stat-number {
            font-size: 36px;
            font-weight: 700;
            color: var(--qt-gold);
            line-height: 1.2;
            margin-bottom: 6px;
        }
        .qt-stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.6;
        }
        /* Feature list */
        .qt-feature-list {
            background: var(--qt-surface);
            border: 1px solid var(--qt-border);
            border-radius: var(--qt-radius-lg);
            overflow: hidden;
            box-shadow: var(--qt-shadow-sm);
        }
        .qt-feature-item {
            display: flex;
            align-items: center;
            gap: 18px;
            padding: 18px 24px;
            border-bottom: 1px solid var(--qt-border);
            transition: var(--qt-transition);
        }
        .qt-feature-item:last-child {
            border-bottom: none;
        }
        .qt-feature-item:hover {
            background-color: var(--qt-bg-warm);
        }
        .qt-feature-date {
            flex-shrink: 0;
            min-width: 90px;
            font-size: 14px;
            font-weight: 600;
            color: var(--qt-accent);
        }
        .qt-feature-vs {
            flex: 1;
            font-size: 15.5px;
            font-weight: 600;
            color: var(--qt-text);
        }
        .qt-feature-vs span {
            font-weight: 400;
            color: var(--qt-text-muted);
        }
        .qt-feature-league {
            flex-shrink: 0;
            font-size: 13px;
            color: var(--qt-text-muted);
            background: var(--qt-bg-warm);
            padding: 4px 12px;
            border-radius: 999px;
            border: 1px solid var(--qt-border);
        }
        /* FAQ */
        .qt-accordion .accordion-item {
            border: 1px solid var(--qt-border);
            border-radius: var(--qt-radius-sm);
            margin-bottom: 10px;
            overflow: hidden;
            background: var(--qt-surface);
        }
        .qt-accordion .accordion-button {
            font-size: 15px;
            font-weight: 600;
            color: var(--qt-text);
            padding: 18px 22px;
            background: var(--qt-surface);
            border: none;
            box-shadow: none;
        }
        .qt-accordion .accordion-button:not(.collapsed) {
            background: var(--qt-accent-soft);
            color: var(--qt-accent);
            box-shadow: none;
        }
        .qt-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(232, 74, 60, 0.1);
            border-color: var(--qt-accent);
        }
        .qt-accordion .accordion-button::after {
            filter: sepia(1) saturate(5) hue-rotate(-40deg);
        }
        .qt-accordion .accordion-body {
            font-size: 14.5px;
            color: var(--qt-text-muted);
            line-height: 1.9;
            padding: 16px 22px 20px;
            background: var(--qt-surface);
        }
        /* Topic cards */
        .qt-topic-card {
            background: var(--qt-surface);
            border: 1px solid var(--qt-border);
            border-radius: var(--qt-radius);
            padding: 24px;
            height: 100%;
            transition: var(--qt-transition);
            display: flex;
            flex-direction: column;
            box-shadow: var(--qt-shadow-sm);
        }
        .qt-topic-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--qt-shadow-hover);
            border-color: var(--qt-border-strong);
        }
        .qt-topic-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: var(--qt-accent-soft);
            color: var(--qt-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            margin-bottom: 14px;
        }
        .qt-topic-title {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--qt-text);
        }
        .qt-topic-desc {
            font-size: 14px;
            color: var(--qt-text-muted);
            line-height: 1.8;
            flex: 1;
            margin-bottom: 14px;
        }
        .qt-topic-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--qt-accent);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }
        /* CTA */
        .qt-cta-section {
            background: linear-gradient(135deg, #1A1A1A 0%, #2A2420 100%);
            border-radius: var(--qt-radius-lg);
            padding: 52px 48px;
            color: #F5F5F4;
            position: relative;
            overflow: hidden;
        }
        .qt-cta-section::after {
            content: '';
            position: absolute;
            right: -60px;
            top: -60px;
            width: 200px;
            height: 200px;
            background: rgba(217, 164, 65, 0.12);
            border-radius: 50%;
        }
        .qt-cta-title {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 10px;
            color: #FFFFFF;
        }
        .qt-cta-desc {
            font-size: 15px;
            color: rgba(255, 255, 255, 0.65);
            line-height: 1.9;
            margin-bottom: 24px;
            max-width: 560px;
        }
        .qt-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--qt-accent);
            color: #FFFFFF;
            border: none;
            border-radius: var(--qt-radius-sm);
            padding: 14px 28px;
            font-size: 15px;
            font-weight: 600;
            cursor: pointer;
            transition: var(--qt-transition);
            white-space: nowrap;
        }
        .qt-cta-btn:hover {
            background: var(--qt-accent-hover);
            color: #FFFFFF;
            transform: translateY(-2px);
        }
        .qt-cta-btn:active {
            transform: scale(0.98);
        }
        /* Brand mini */
        .qt-brand-mini {
            background: var(--qt-gold-soft);
            border: 1px solid #E8D5A8;
            border-radius: var(--qt-radius-lg);
            padding: 36px 40px;
        }
        .qt-brand-mini h2 {
            font-size: 22px;
            font-weight: 700;
            color: var(--qt-text);
            margin-bottom: 14px;
        }
        .qt-brand-mini p {
            font-size: 15px;
            color: var(--qt-text-muted);
            line-height: 1.95;
            margin-bottom: 0;
        }
        /* Footer */
        .qt-footer {
            background-color: var(--qt-primary);
            color: #F5F5F4;
            padding-top: 56px;
        }
        .qt-footer .qt-logo {
            color: #FFFFFF;
            font-size: 20px;
        }
        .qt-footer-title {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
            color: #FFFFFF;
        }
        .qt-footer-links {
            list-style: none;
            margin: 0;
            padding: 0;
        }
        .qt-footer-links li {
            margin-bottom: 8px;
        }
        .qt-footer-links a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: var(--qt-transition);
        }
        .qt-footer-links a:hover {
            color: var(--qt-gold);
        }
        .qt-footer-bottom {
            margin-top: 36px;
            padding: 22px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            font-size: 14px;
            color: rgba(255, 255, 255, 0.55);
        }
        .qt-footer-bottom a {
            color: rgba(255, 255, 255, 0.55);
            transition: var(--qt-transition);
        }
        .qt-footer-bottom a:hover {
            color: var(--qt-gold);
        }
        /* Responsive */
        @media (max-width: 991px) {
            .qt-nav-list {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: flex-start;
                padding: 16px 0;
                gap: 2px;
            }
            .qt-nav-list.show {
                display: flex;
            }
            .qt-nav-link {
                width: 100%;
                padding: 10px 14px;
            }
            .qt-nav-cta {
                margin-top: 8px;
                width: 100%;
                justify-content: center;
            }
            .qt-hamburger {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }
            .qt-stat-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
            .qt-cta-section {
                padding: 40px 32px;
            }
        }
        @media (max-width: 767px) {
            .qt-cat-header h1 {
                font-size: 26px;
            }
            .qt-stat-grid {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .qt-feature-item {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
                padding: 14px 18px;
            }
            .qt-stat-item {
                padding: 18px 14px;
            }
            .qt-stat-number {
                font-size: 26px;
            }
            .qt-cta-title {
                font-size: 22px;
            }
            .qt-brand-mini {
                padding: 24px 20px;
            }
            .section-title {
                font-size: 24px;
            }
        }
        @media (max-width: 519px) {
            .qt-section {
                padding: 48px 0;
            }
            .qt-cat-header {
                padding: 36px 0 28px;
            }
            .qt-cat-header h1 {
                font-size: 22px;
            }
            .qt-filter-bar {
                flex-direction: column;
                align-items: stretch;
                gap: 10px;
                padding: 12px 14px;
            }
            .qt-filter-bar .filter-group {
                flex-wrap: wrap;
            }
            .qt-filter-bar select,
            .qt-filter-bar input {
                min-width: 100%;
                flex: 1;
            }
            .qt-stat-grid {
                grid-template-columns: 1fr;
            }
            .qt-card-img {
                height: 160px;
            }
            .qt-cta-section {
                padding: 30px 20px;
            }
            .qt-cta-btn {
                width: 100%;
                justify-content: center;
            }
        }

/* roulang page: category7 */
:root {
 --qt-primary: #1A1A1A;
 --qt-accent: #E84A3C;
 --qt-accent-hover: #C93D31;
 --qt-accent-soft: #FDECEA;
 --qt-gold: #D9A441;
 --qt-gold-soft: #FBF4E6;
 --qt-bg: #FAFAF8;
 --qt-bg-warm: #F4F3F0;
 --qt-surface: #FFFFFF;
 --qt-text: #212121;
 --qt-text-muted: #6E6E6E;
 --qt-text-light: #9A9A9A;
 --qt-border: #E8E6E1;
 --qt-border-strong: #D8D5CE;
 --qt-radius-sm: 8px;
 --qt-radius: 14px;
 --qt-radius-lg: 18px;
 --qt-shadow-sm: 0 1px 4px rgba(26, 26, 26, 0.05);
 --qt-shadow: 0 8px 28px rgba(26, 26, 26, 0.08);
 --qt-shadow-hover: 0 16px 44px rgba(26, 26, 26, 0.13);
 --qt-font: 'PingFang SC', 'Microsoft YaHei', 'Noto Sans CJK SC', -apple-system, BlinkMacSystemFont, 'Segoe UI', sans-serif;
 --qt-transition: all 0.22s ease;
 --qt-section-gap: 72px;
 }
 html {
 scroll-behavior: smooth;
 }
 body {
 font-family: var(--qt-font);
 background-color: var(--qt-bg);
 color: var(--qt-text);
 line-height: 1.85;
 font-size: 15.5px;
 -webkit-font-smoothing: antialiased;
 -moz-osx-font-smoothing: grayscale;
 }
 img {
 max-width: 100%;
 height: auto;
 display: block;
 }
 a {
 text-decoration: none;
 color: inherit;
 transition: var(--qt-transition);
 }
 a:hover {
 color: var(--qt-accent);
 }
 button,
 input,
 select,
 textarea {
 font-family: inherit;
 }
 .container {
 max-width: 1200px;
 padding-left: 24px;
 padding-right: 24px;
 }
 .qt-section {
 padding: var(--qt-section-gap) 0;
 }
 .qt-section-sm {
 padding: 48px 0;
 }
 .qt-section-alt {
 background-color: var(--qt-bg-warm);
 }
 .qt-section-dark {
 background-color: var(--qt-primary);
 color: #F5F5F4;
 }
 .qt-section-dark .section-label {
 color: var(--qt-gold);
 }
 .qt-section-dark .section-title {
 color: #FFFFFF;
 }
 .section-label {
 display: inline-block;
 font-size: 14px;
 font-weight: 600;
 letter-spacing: 0.08em;
 color: var(--qt-accent);
 text-transform: uppercase;
 margin-bottom: 12px;
 }
 .section-title {
 font-size: 28px;
 font-weight: 700;
 line-height: 1.35;
 margin-bottom: 16px;
 color: var(--qt-text);
 }
 .section-desc {
 font-size: 16px;
 color: var(--qt-text-muted);
 line-height: 1.9;
 margin-bottom: 32px;
 max-width: 760px;
 }
 .qt-text-accent {
 color: var(--qt-accent);
 }
 .qt-text-gold {
 color: var(--qt-gold);
 }
 /* Header / Nav */
 .qt-header {
 position: sticky;
 top: 0;
 z-index: 1050;
 background-color: rgba(255, 255, 255, 0.96);
 backdrop-filter: blur(10px);
 -webkit-backdrop-filter: blur(10px);
 border-bottom: 1px solid var(--qt-border);
 transition: var(--qt-transition);
 box-shadow: 0 1px 10px rgba(26, 26, 26, 0.03);
 }
 .qt-nav {
 display: flex;
 align-items: center;
 justify-content: space-between;
 min-height: 68px;
 flex-wrap: wrap;
 gap: 8px;
 }
 .qt-logo {
 font-size: 22px;
 font-weight: 700;
 letter-spacing: 0.04em;
 color: var(--qt-primary);
 display: flex;
 align-items: center;
 gap: 8px;
 white-space: nowrap;
 }
 .qt-logo .logo-mark {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 width: 32px;
 height: 32px;
 border-radius: 9px;
 background: var(--qt-accent);
 color: #FFFFFF;
 font-size: 16px;
 font-weight: 700;
 }
 .qt-nav-list {
 display: flex;
 align-items: center;
 gap: 4px;
 list-style: none;
 margin: 0;
 padding: 0;
 flex-wrap: wrap;
 }
 .qt-nav-link {
 display: inline-block;
 padding: 8px 14px;
 font-size: 14px;
 font-weight: 500;
 color: var(--qt-text-muted);
 border-radius: 8px;
 transition: var(--qt-transition);
 white-space: nowrap;
 }
 .qt-nav-link:hover,
 .qt-nav-link.active {
 background-color: var(--qt-accent-soft);
 color: var(--qt-accent);
 }
 .qt-nav-cta {
 background-color: var(--qt-accent);
 color: #FFFFFF;
 border-radius: var(--qt-radius-sm);
 padding: 10px 20px;
 font-size: 14px;
 font-weight: 600;
 border: none;
 cursor: pointer;
 transition: var(--qt-transition);
 display: inline-flex;
 align-items: center;
 gap: 6px;
 white-space: nowrap;
 }
 .qt-nav-cta:hover {
 background-color: var(--qt-accent-hover);
 color: #FFFFFF;
 transform: translateY(-1px);
 }
 .qt-nav-cta:active {
 transform: scale(0.98);
 }
 .qt-nav-cta:focus-visible {
 outline: 3px solid rgba(232, 74, 60, 0.35);
 outline-offset: 2px;
 }
 .qt-hamburger {
 display: none;
 border: 1px solid var(--qt-border);
 border-radius: 8px;
 padding: 8px 12px;
 background: var(--qt-surface);
 color: var(--qt-text);
 font-size: 18px;
 cursor: pointer;
 transition: var(--qt-transition);
 }
 .qt-hamburger:hover {
 background-color: var(--qt-bg-warm);
 }
 .qt-hamburger:focus-visible {
 outline: 3px solid rgba(232, 74, 60, 0.35);
 outline-offset: 2px;
 }
 /* Breadcrumb */
 .qt-breadcrumb {
 padding: 18px 0;
 background-color: var(--qt-surface);
 border-bottom: 1px solid var(--qt-border);
 font-size: 14px;
 color: var(--qt-text-muted);
 }
 .qt-breadcrumb .breadcrumb-list {
 display: flex;
 align-items: center;
 gap: 8px;
 list-style: none;
 margin: 0;
 padding: 0;
 flex-wrap: wrap;
 }
 .qt-breadcrumb .breadcrumb-list li {
 display: flex;
 align-items: center;
 gap: 8px;
 }
 .qt-breadcrumb .breadcrumb-list li:last-child {
 color: var(--qt-text);
 font-weight: 600;
 }
 .qt-breadcrumb a {
 color: var(--qt-text-muted);
 }
 .qt-breadcrumb a:hover {
 color: var(--qt-accent);
 }
 .qt-breadcrumb .breadcrumb-sep {
 color: var(--qt-text-light);
 font-size: 12px;
 }
 /* Category Header */
 .cat-header {
 padding: 40px 0 32px;
 background-color: var(--qt-surface);
 border-bottom: 1px solid var(--qt-border);
 }
 .cat-header .cat-tag {
 display: inline-flex;
 align-items: center;
 gap: 6px;
 background-color: var(--qt-accent-soft);
 color: var(--qt-accent);
 font-size: 13px;
 font-weight: 600;
 padding: 6px 14px;
 border-radius: 50px;
 margin-bottom: 16px;
 }
 .cat-header h1 {
 font-size: 32px;
 font-weight: 700;
 line-height: 1.3;
 color: var(--qt-primary);
 margin-bottom: 12px;
 letter-spacing: 0.01em;
 }
 .cat-header .cat-subtitle {
 font-size: 16px;
 color: var(--qt-text-muted);
 line-height: 1.9;
 max-width: 780px;
 margin-bottom: 20px;
 }
 .filter-bar {
 display: flex;
 align-items: center;
 gap: 10px;
 flex-wrap: wrap;
 }
 .filter-bar .filter-label {
 font-size: 14px;
 font-weight: 600;
 color: var(--qt-text-muted);
 margin-right: 4px;
 }
 .filter-chip {
 display: inline-flex;
 align-items: center;
 padding: 6px 16px;
 border-radius: 50px;
 background-color: var(--qt-bg-warm);
 color: var(--qt-text-muted);
 font-size: 13px;
 font-weight: 500;
 border: 1px solid var(--qt-border);
 cursor: pointer;
 transition: var(--qt-transition);
 }
 .filter-chip:hover {
 border-color: var(--qt-accent);
 color: var(--qt-accent);
 }
 .filter-chip.active {
 background-color: var(--qt-accent);
 color: #FFFFFF;
 border-color: var(--qt-accent);
 }
 /* Card Grid */
 .card-grid {
 display: grid;
 grid-template-columns: repeat(3, 1fr);
 gap: 24px;
 }
 @media (max-width: 991px) {
 .card-grid {
 grid-template-columns: repeat(2, 1fr);
 }
 }
 @media (max-width: 575px) {
 .card-grid {
 grid-template-columns: 1fr;
 }
 }
 .article-card {
 background-color: var(--qt-surface);
 border-radius: var(--qt-radius);
 border: 1px solid var(--qt-border);
 overflow: hidden;
 box-shadow: var(--qt-shadow-sm);
 transition: var(--qt-transition);
 display: flex;
 flex-direction: column;
 height: 100%;
 }
 .article-card:hover {
 transform: translateY(-4px);
 box-shadow: var(--qt-shadow-hover);
 border-color: #E5C9C4;
 }
 .article-card .card-img-wrap {
 position: relative;
 height: 180px;
 overflow: hidden;
 background-color: var(--qt-bg-warm);
 }
 .article-card .card-img-wrap img {
 width: 100%;
 height: 100%;
 object-fit: cover;
 transition: transform 0.45s ease;
 }
 .article-card:hover .card-img-wrap img {
 transform: scale(1.04);
 }
 .article-card .card-img-wrap .card-badge {
 position: absolute;
 top: 12px;
 left: 12px;
 background-color: rgba(26, 26, 26, 0.8);
 color: #FFFFFF;
 font-size: 12px;
 font-weight: 600;
 padding: 4px 12px;
 border-radius: 50px;
 backdrop-filter: blur(4px);
 }
 .article-card .card-body {
 padding: 20px 20px 22px;
 display: flex;
 flex-direction: column;
 flex: 1;
 }
 .article-card .card-date {
 font-size: 13px;
 color: var(--qt-text-light);
 margin-bottom: 8px;
 display: flex;
 align-items: center;
 gap: 6px;
 }
 .article-card .card-title {
 font-size: 17px;
 font-weight: 700;
 line-height: 1.5;
 color: var(--qt-text);
 margin-bottom: 10px;
 }
 .article-card .card-summary {
 font-size: 14px;
 color: var(--qt-text-muted);
 line-height: 1.8;
 flex: 1;
 margin-bottom: 16px;
 }
 .btn-qt-read {
 display: inline-flex;
 align-items: center;
 gap: 6px;
 background: none;
 border: 1px solid var(--qt-border-strong);
 color: var(--qt-text);
 font-size: 14px;
 font-weight: 500;
 padding: 8px 18px;
 border-radius: var(--qt-radius-sm);
 cursor: pointer;
 transition: var(--qt-transition);
 align-self: flex-start;
 }
 .btn-qt-read:hover {
 border-color: var(--qt-accent);
 color: var(--qt-accent);
 background-color: var(--qt-accent-soft);
 }
 .btn-qt-read:focus-visible {
 outline: 3px solid rgba(232, 74, 60, 0.3);
 outline-offset: 2px;
 }
 /* Editor Pick */
 .editor-pick {
 background-color: var(--qt-bg-warm);
 border-radius: var(--qt-radius-lg);
 padding: 32px;
 display: flex;
 flex-wrap: wrap;
 gap: 24px;
 align-items: center;
 }
 .editor-pick .pick-img-wrap {
 flex: 0 0 300px;
 height: 200px;
 border-radius: var(--qt-radius);
 overflow: hidden;
 }
 .editor-pick .pick-img-wrap img {
 width: 100%;
 height: 100%;
 object-fit: cover;
 }
 .editor-pick .pick-content {
 flex: 1;
 min-width: 260px;
 }
 .editor-pick .pick-label {
 font-size: 13px;
 font-weight: 600;
 color: var(--qt-accent);
 letter-spacing: 0.06em;
 margin-bottom: 8px;
 text-transform: uppercase;
 }
 .editor-pick .pick-title {
 font-size: 22px;
 font-weight: 700;
 line-height: 1.45;
 color: var(--qt-text);
 margin-bottom: 10px;
 }
 .editor-pick .pick-desc {
 font-size: 15px;
 color: var(--qt-text-muted);
 line-height: 1.9;
 margin-bottom: 16px;
 }
 .btn-qt-primary {
 background-color: var(--qt-accent);
 color: #FFFFFF;
 border: none;
 border-radius: var(--qt-radius-sm);
 padding: 12px 24px;
 font-size: 15px;
 font-weight: 600;
 cursor: pointer;
 transition: var(--qt-transition);
 display: inline-flex;
 align-items: center;
 gap: 8px;
 }
 .btn-qt-primary:hover {
 background-color: var(--qt-accent-hover);
 color: #FFFFFF;
 transform: translateY(-2px);
 box-shadow: 0 10px 24px rgba(232, 74, 60, 0.25);
 }
 .btn-qt-primary:active {
 transform: scale(0.98);
 }
 .btn-qt-primary:focus-visible {
 outline: 3px solid rgba(232, 74, 60, 0.35);
 outline-offset: 2px;
 }
 .btn-qt-outline {
 background-color: transparent;
 color: var(--qt-text);
 border: 1px solid var(--qt-border-strong);
 border-radius: var(--qt-radius-sm);
 padding: 12px 24px;
 font-size: 15px;
 font-weight: 600;
 cursor: pointer;
 transition: var(--qt-transition);
 display: inline-flex;
 align-items: center;
 gap: 8px;
 }
 .btn-qt-outline:hover {
 border-color: var(--qt-accent);
 color: var(--qt-accent);
 background-color: var(--qt-accent-soft);
 transform: translateY(-2px);
 }
 .btn-qt-outline:focus-visible {
 outline: 3px solid rgba(232, 74, 60, 0.3);
 outline-offset: 2px;
 }
 /* Stats */
 .stats-row {
 display: flex;
 flex-wrap: wrap;
 gap: 20px;
 margin-top: 28px;
 }
 .stat-block {
 background-color: var(--qt-surface);
 border: 1px solid var(--qt-border);
 border-radius: var(--qt-radius);
 padding: 20px 22px;
 flex: 1;
 min-width: 140px;
 box-shadow: var(--qt-shadow-sm);
 transition: var(--qt-transition);
 }
 .stat-block:hover {
 transform: translateY(-3px);
 box-shadow: var(--qt-shadow);
 }
 .stat-block .stat-number {
 font-size: 28px;
 font-weight: 700;
 color: var(--qt-accent);
 line-height: 1.2;
 margin-bottom: 4px;
 }
 .stat-block .stat-text {
 font-size: 13px;
 color: var(--qt-text-muted);
 }
 /* Hot Topics */
 .topics-list {
 display: flex;
 flex-wrap: wrap;
 gap: 16px;
 }
 .topic-card {
 background-color: var(--qt-surface);
 border: 1px solid var(--qt-border);
 border-radius: var(--qt-radius);
 padding: 18px 22px;
 flex: 1;
 min-width: 180px;
 box-shadow: var(--qt-shadow-sm);
 transition: var(--qt-transition);
 display: flex;
 align-items: flex-start;
 gap: 14px;
 }
 .topic-card:hover {
 transform: translateY(-3px);
 box-shadow: var(--qt-shadow);
 border-color: #E5C9C4;
 }
 .topic-card .topic-icon {
 width: 44px;
 height: 44px;
 border-radius: 12px;
 display: flex;
 align-items: center;
 justify-content: center;
 font-size: 18px;
 background-color: var(--qt-accent-soft);
 color: var(--qt-accent);
 flex-shrink: 0;
 }
 .topic-card .topic-title {
 font-size: 15px;
 font-weight: 600;
 color: var(--qt-text);
 margin-bottom: 4px;
 }
 .topic-card .topic-desc {
 font-size: 13px;
 color: var(--qt-text-muted);
 line-height: 1.7;
 margin-bottom: 0;
 }
 /* Tips */
 .tip-list {
 display: grid;
 grid-template-columns: repeat(2, 1fr);
 gap: 16px;
 }
 @media (max-width: 767px) {
 .tip-list {
 grid-template-columns: 1fr;
 }
 }
 .tip-item {
 background-color: var(--qt-surface);
 border: 1px solid var(--qt-border);
 border-radius: var(--qt-radius);
 padding: 18px 20px;
 display: flex;
 align-items: flex-start;
 gap: 14px;
 transition: var(--qt-transition);
 }
 .tip-item:hover {
 border-color: #E5C9C4;
 box-shadow: var(--qt-shadow-sm);
 }
 .tip-item .tip-num {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 width: 36px;
 height: 36px;
 border-radius: 10px;
 background-color: var(--qt-gold-soft);
 color: var(--qt-gold);
 font-weight: 700;
 font-size: 15px;
 flex-shrink: 0;
 }
 .tip-item .tip-title {
 font-size: 15px;
 font-weight: 600;
 color: var(--qt-text);
 margin-bottom: 4px;
 }
 .tip-item .tip-text {
 font-size: 13px;
 color: var(--qt-text-muted);
 line-height: 1.7;
 margin-bottom: 0;
 }
 /* FAQ */
 .qt-accordion .accordion-item {
 border: 1px solid var(--qt-border);
 border-radius: var(--qt-radius) !important;
 margin-bottom: 12px;
 overflow: hidden;
 background-color: var(--qt-surface);
 }
 .qt-accordion .accordion-button {
 background-color: var(--qt-surface);
 color: var(--qt-text);
 font-weight: 600;
 font-size: 15px;
 padding: 18px 22px;
 border: none;
 box-shadow: none;
 }
 .qt-accordion .accordion-button:not(.collapsed) {
 background-color: var(--qt-accent-soft);
 color: var(--qt-accent);
 box-shadow: none;
 }
 .qt-accordion .accordion-button:focus {
 box-shadow: none;
 border-color: var(--qt-accent);
 }
 .qt-accordion .accordion-button:after {
 filter: grayscale(1);
 }
 .qt-accordion .accordion-body {
 font-size: 14px;
 color: var(--qt-text-muted);
 line-height: 1.9;
 padding: 16px 22px 20px;
 }
 /* Brand mini */
 .brand-mini {
 display: flex;
 flex-wrap: wrap;
 align-items: center;
 gap: 24px;
 background-color: var(--qt-surface);
 border: 1px solid var(--qt-border);
 border-radius: var(--qt-radius-lg);
 padding: 28px 30px;
 }
 .brand-mini .brand-img {
 flex: 0 0 120px;
 height: 120px;
 border-radius: var(--qt-radius);
 overflow: hidden;
 }
 .brand-mini .brand-img img {
 width: 100%;
 height: 100%;
 object-fit: cover;
 }
 .brand-mini .brand-content {
 flex: 1;
 min-width: 240px;
 }
 .brand-mini .brand-title {
 font-size: 20px;
 font-weight: 700;
 color: var(--qt-text);
 margin-bottom: 10px;
 }
 .brand-mini .brand-text {
 font-size: 14px;
 color: var(--qt-text-muted);
 line-height: 1.9;
 margin-bottom: 0;
 }
 /* CTA */
 .qt-cta {
 background-color: var(--qt-primary);
 color: #F5F5F4;
 border-radius: var(--qt-radius-lg);
 padding: 48px 40px;
 text-align: center;
 }
 .qt-cta .cta-title {
 font-size: 26px;
 font-weight: 700;
 color: #FFFFFF;
 margin-bottom: 12px;
 }
 .qt-cta .cta-desc {
 font-size: 15px;
 color: rgba(255, 255, 255, 0.7);
 line-height: 1.9;
 max-width: 640px;
 margin: 0 auto 24px;
 }
 .qt-cta .btn-qt-primary {
 background-color: var(--qt-accent);
 font-size: 16px;
 padding: 14px 32px;
 }
 .qt-cta .btn-qt-primary:hover {
 background-color: #F45D50;
 }
 /* Footer */
 .qt-footer {
 background-color: var(--qt-primary);
 color: #F5F5F4;
 padding: 56px 0 28px;
 border-top: 1px solid rgba(255, 255, 255, 0.05);
 }
 .qt-footer .qt-footer-title {
 font-size: 15px;
 font-weight: 600;
 color: #FFFFFF;
 margin-bottom: 16px;
 }
 .qt-footer .qt-footer-links {
 list-style: none;
 margin: 0;
 padding: 0;
 }
 .qt-footer .qt-footer-links li {
 margin-bottom: 10px;
 }
 .qt-footer .qt-footer-links a {
 font-size: 14px;
 color: rgba(255, 255, 255, 0.6);
 transition: var(--qt-transition);
 }
 .qt-footer .qt-footer-links a:hover {
 color: var(--qt-gold);
 padding-left: 4px;
 }
 .qt-footer-bottom {
 margin-top: 40px;
 padding-top: 24px;
 border-top: 1px solid rgba(255, 255, 255, 0.08);
 font-size: 14px;
 color: rgba(255, 255, 255, 0.55);
 }
 .qt-footer-bottom a {
 color: rgba(255, 255, 255, 0.65);
 margin: 0 6px;
 }
 .qt-footer-bottom a:hover {
 color: var(--qt-gold);
 }
 /* Responsive */
 @media (max-width: 991px) {
 :root {
 --qt-section-gap: 56px;
 }
 .qt-nav {
 flex-wrap: nowrap;
 }
 .qt-hamburger {
 display: inline-flex;
 align-items: center;
 justify-content: center;
 }
 .qt-nav-list {
 display: none;
 position: absolute;
 top: 68px;
 left: 0;
 right: 0;
 background-color: #FFFFFF;
 border-bottom: 1px solid var(--qt-border);
 box-shadow: 0 20px 30px rgba(26, 26, 26, 0.08);
 padding: 16px 24px 24px;
 flex-direction: column;
 align-items: flex-start;
 gap: 4px;
 z-index: 1049;
 }
 .qt-nav-list.show {
 display: flex;
 }
 .qt-nav-link {
 width: 100%;
 padding: 12px 14px;
 font-size: 15px;
 }
 .qt-nav-cta {
 width: 100%;
 justify-content: center;
 margin-top: 8px;
 }
 /* Ensure the CTA in nav list not display if already outside? */
 }
 @media (max-width: 575px) {
 .container {
 padding-left: 20px;
 padding-right: 20px;
 }
 :root {
 --qt-section-gap: 48px;
 }
 .section-title {
 font-size: 24px;
 }
 .cat-header h1 {
 font-size: 26px;
 }
 .editor-pick {
 padding: 22px;
 flex-direction: column;
 align-items: flex-start;
 }
 .editor-pick .pick-img-wrap {
 flex: 0 0 auto;
 width: 100%;
 height: 180px;
 }
 .qt-cta {
 padding: 32px 22px;
 }
 .qt-cta .cta-title {
 font-size: 22px;
 }
 .brand-mini {
 flex-direction: column;
 align-items: flex-start;
 }
 .brand-mini .brand-img {
 flex: 0 0 80px;
 height: 80px;
 }
 }

/* roulang: framework shim */
/* 覆盖 Bootstrap 等对 a/btn 的全局默认，避免导航出现下划线/蓝链 */
.site-header a,.site-header a:hover,.navbar a,.navbar a:hover,.nav-links a,.nav-links a:hover,header nav a,header nav a:hover{text-decoration:none}
.site-header .btn,.navbar .btn,.nav-cta{text-decoration:none}