/* roulang page: index */
:root {
            --c-ink: #1A1D20;
            --c-ink-2: #262B30;
            --c-acid: #D9F24F;
            --c-acid-soft: #EDF8B8;
            --c-orange: #FF6A3D;
            --c-orange-soft: #FFE0D6;
            --c-bg: #F5F2EB;
            --c-bg-warm: #EFEAE0;
            --c-card: #FFFFFF;
            --c-dark: #121417;
            --c-dark-2: #1E2225;
            --c-border: #E9E5DE;
            --c-border-strong: #D6D0C4;
            --c-text: #23262A;
            --c-text-soft: #6B7075;
            --c-text-light: #9BA0A5;
            --c-white: #FFFFFF;
            --c-acid-ink: #1A1D20;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --radius-full: 999px;
            --shadow-sm: 0 4px 12px rgba(18, 20, 23, 0.05);
            --shadow-md: 0 8px 24px rgba(18, 20, 23, 0.06);
            --shadow-lg: 0 16px 40px rgba(18, 20, 23, 0.12);
            --shadow-glow: 0 8px 32px rgba(217, 242, 79, 0.18);
            --font-sans: "Alibaba PuHuiTi", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
            --sp-0: 0;
            --sp-1: 8px;
            --sp-2: 16px;
            --sp-3: 24px;
            --sp-4: 32px;
            --sp-5: 48px;
            --sp-6: 64px;
            --sp-7: 80px;
            --sp-8: 96px;
            --sp-9: 120px;
            --nav-height: 72px;
            --transition-fast: 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --transition-med: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--c-text);
            background-color: var(--c-bg);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            letter-spacing: 0.01em;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
            object-fit: cover;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast), background var(--transition-fast), border var(--transition-fast);
        }
        a:hover {
            color: var(--c-orange);
        }
        ul, ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
        }
        button:focus, a:focus, input:focus, select:focus, textarea:focus {
            outline: 2px solid var(--c-orange);
            outline-offset: 2px;
        }

        .container-custom {
            width: 100%;
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }

        @media (min-width: 768px) {
            .container-custom {
                padding-left: 32px;
                padding-right: 32px;
            }
        }
        @media (min-width: 1200px) {
            .container-custom {
                padding-left: 48px;
                padding-right: 48px;
            }
        }

        /* ===== NAVBAR ===== */
        .navbar-28quan {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(26, 29, 32, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            min-height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: background var(--transition-med);
        }
        .navbar-28quan .navbar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            width: 100%;
            flex-wrap: nowrap;
        }
        .navbar-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 900;
            font-size: 1.5rem;
            color: var(--c-white);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .navbar-logo .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--c-acid);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            font-weight: 900;
            color: var(--c-ink);
            letter-spacing: -0.02em;
        }
        .navbar-logo span.logo-dot {
            color: var(--c-acid);
            font-weight: 900;
        }
        .navbar-logo:hover {
            color: var(--c-white);
        }

        .navbar-menu {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -webkit-overflow-scrolling: touch;
        }
        .navbar-menu::-webkit-scrollbar {
            display: none;
        }
        .navbar-menu a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 14px;
            color: rgba(255, 255, 255, 0.72);
            font-size: 0.9rem;
            font-weight: 500;
            border-radius: var(--radius-full);
            white-space: nowrap;
            transition: all var(--transition-fast);
            border: 1px solid transparent;
        }
        .navbar-menu a:hover {
            color: var(--c-white);
            background: rgba(255, 255, 255, 0.06);
        }
        .navbar-menu a.active {
            color: var(--c-ink);
            background: var(--c-acid);
            font-weight: 700;
            border-color: var(--c-acid);
        }

        .navbar-right {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .badge-activity-nav {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(217, 242, 79, 0.12);
            color: var(--c-acid);
            font-size: 0.78rem;
            font-weight: 600;
            padding: 6px 12px;
            border-radius: var(--radius-full);
            border: 1px solid rgba(217, 242, 79, 0.25);
            white-space: nowrap;
        }
        .badge-activity-nav .pulse-dot {
            width: 7px;
            height: 7px;
            border-radius: 50%;
            background: var(--c-acid);
            animation: pulse-dot 1.5s infinite;
        }
        @keyframes pulse-dot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.4; transform: scale(0.7); }
        }

        .btn-nav-cta {
            background: var(--c-acid);
            color: var(--c-ink);
            font-weight: 700;
            padding: 10px 20px;
            border-radius: var(--radius-full);
            font-size: 0.88rem;
            white-space: nowrap;
            border: none;
            transition: all var(--transition-fast);
            box-shadow: 0 4px 16px rgba(217, 242, 79, 0.25);
        }
        .btn-nav-cta:hover {
            background: #e6ff66;
            color: var(--c-ink);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(217, 242, 79, 0.4);
        }

        .navbar-toggler-28 {
            display: none;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: var(--radius-sm);
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            flex-direction: column;
            gap: 4px;
            cursor: pointer;
            flex-shrink: 0;
        }
        .navbar-toggler-28 span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--c-white);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        @media (max-width: 991px) {
            .navbar-toggler-28 {
                display: flex;
            }
            .navbar-menu {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(26, 29, 32, 0.98);
                backdrop-filter: blur(12px);
                flex-direction: column;
                align-items: stretch;
                padding: 16px 20px 24px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                gap: 4px;
                overflow-y: auto;
                max-height: calc(100vh - var(--nav-height));
            }
            .navbar-menu.open {
                display: flex;
            }
            .navbar-menu a {
                padding: 14px 16px;
                border-radius: var(--radius-sm);
                font-size: 0.95rem;
            }
            .badge-activity-nav {
                display: none;
            }
        }
        @media (max-width: 480px) {
            .navbar-logo {
                font-size: 1.25rem;
            }
            .navbar-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.95rem;
            }
            .btn-nav-cta {
                padding: 8px 14px;
                font-size: 0.78rem;
            }
        }

        /* ===== HERO ===== */
        .hero-28quan {
            position: relative;
            background: var(--c-ink);
            color: var(--c-white);
            overflow: hidden;
            padding: var(--sp-7) 0 var(--sp-8);
            min-height: 640px;
            display: flex;
            align-items: center;
        }
        .hero-28quan::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/f3a324ecd73e5ebd.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.22;
            z-index: 0;
        }
        .hero-28quan::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(26,29,32,0.35) 0%, rgba(26,29,32,0.75) 60%, rgba(18,20,23,0.92) 100%);
            z-index: 0;
        }
        .hero-28quan .container-custom {
            position: relative;
            z-index: 1;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1.1fr 0.9fr;
            gap: 48px;
            align-items: center;
        }
        .hero-left .hero-tag {
            display: inline-block;
            background: rgba(217, 242, 79, 0.14);
            color: var(--c-acid);
            font-size: 0.85rem;
            font-weight: 600;
            padding: 8px 16px;
            border-radius: var(--radius-full);
            border: 1px solid rgba(217, 242, 79, 0.3);
            margin-bottom: 24px;
            letter-spacing: 0.02em;
        }
        .hero-left h1 {
            font-size: 3rem;
            font-weight: 900;
            line-height: 1.25;
            letter-spacing: -0.02em;
            margin-bottom: 20px;
            color: var(--c-white);
        }
        .hero-left h1 .highlight {
            color: var(--c-acid);
            border-bottom: 3px solid var(--c-acid);
            padding-bottom: 2px;
        }
        .hero-left .hero-desc {
            font-size: 1.1rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 32px;
            max-width: 560px;
        }
        .hero-cta-group {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        .btn-28quan {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 0.95rem;
            border: none;
            cursor: pointer;
            transition: all var(--transition-fast);
            text-align: center;
            justify-content: center;
        }
        .btn-28quan-primary {
            background: var(--c-acid);
            color: var(--c-ink);
            box-shadow: 0 8px 24px rgba(217, 242, 79, 0.3);
        }
        .btn-28quan-primary:hover {
            background: #e8ff55;
            color: var(--c-ink);
            transform: translateY(-2px);
            box-shadow: 0 16px 36px rgba(217, 242, 79, 0.45);
        }
        .btn-28quan-outline {
            background: transparent;
            color: var(--c-white);
            border: 1.5px solid rgba(255, 255, 255, 0.35);
        }
        .btn-28quan-outline:hover {
            border-color: var(--c-acid);
            color: var(--c-acid);
            transform: translateY(-2px);
        }
        .btn-28quan-orange {
            background: var(--c-orange);
            color: var(--c-white);
            box-shadow: 0 8px 24px rgba(255, 106, 61, 0.3);
        }
        .btn-28quan-orange:hover {
            background: #ff8059;
            color: var(--c-white);
            transform: translateY(-2px);
            box-shadow: 0 16px 36px rgba(255, 106, 61, 0.45);
        }

        .hero-right {
            background: rgba(255, 255, 255, 0.05);
            backdrop-filter: blur(8px);
            border-radius: var(--radius-xl);
            border: 1px solid rgba(255, 255, 255, 0.12);
            padding: 28px 28px 24px;
        }
        .quiz-card-title {
            font-size: 1rem;
            font-weight: 700;
            color: var(--c-white);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .quiz-card-title i {
            color: var(--c-acid);
        }
        .quiz-q {
            margin-bottom: 18px;
        }
        .quiz-q .q-label {
            font-size: 0.85rem;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 8px;
        }
        .quiz-options {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .quiz-option {
            padding: 8px 16px;
            border-radius: var(--radius-full);
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.04);
            color: rgba(255, 255, 255, 0.75);
            font-size: 0.82rem;
            font-weight: 500;
            cursor: pointer;
            transition: all var(--transition-fast);
            user-select: none;
        }
        .quiz-option:hover, .quiz-option.selected {
            border-color: var(--c-acid);
            background: rgba(217, 242, 79, 0.15);
            color: var(--c-acid);
        }
        .quiz-preview {
            margin-top: 16px;
            background: rgba(217, 242, 79, 0.08);
            border-radius: var(--radius-md);
            padding: 16px 18px;
            border: 1px dashed rgba(217, 242, 79, 0.3);
        }
        .quiz-preview .preview-label {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--c-acid);
            text-transform: uppercase;
            letter-spacing: 0.04em;
            margin-bottom: 6px;
        }
        .quiz-preview .preview-text {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.6;
        }

        @media (max-width: 991px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 36px;
            }
            .hero-left h1 {
                font-size: 2.2rem;
            }
            .hero-28quan {
                padding: var(--sp-6) 0 var(--sp-7);
                min-height: auto;
            }
        }
        @media (max-width: 576px) {
            .hero-left h1 {
                font-size: 1.8rem;
            }
            .hero-left .hero-desc {
                font-size: 0.98rem;
            }
            .hero-right {
                padding: 20px 16px;
            }
            .btn-28quan {
                padding: 12px 20px;
                font-size: 0.88rem;
            }
        }

        /* ===== ACTIVITY BAR ===== */
        .activity-bar {
            background: var(--c-acid);
            color: var(--c-ink);
            padding: 12px 0;
            border-bottom: 2px solid rgba(0, 0, 0, 0.06);
        }
        .activity-bar .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }
        .activity-bar-left {
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 600;
            font-size: 0.9rem;
        }
        .activity-bar-left .activity-label {
            background: var(--c-ink);
            color: var(--c-acid);
            padding: 4px 12px;
            border-radius: var(--radius-sm);
            font-size: 0.75rem;
            font-weight: 700;
        }
        .activity-bar-right {
            display: flex;
            align-items: center;
            gap: 12px;
            font-weight: 700;
            font-size: 0.9rem;
        }
        .activity-countdown {
            display: flex;
            align-items: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.35);
            padding: 6px 14px;
            border-radius: var(--radius-full);
            font-weight: 700;
        }
        .btn-activity-sm {
            background: var(--c-ink);
            color: var(--c-acid);
            border: none;
            padding: 8px 18px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 0.82rem;
            cursor: pointer;
            transition: all var(--transition-fast);
        }
        .btn-activity-sm:hover {
            background: #2B2F33;
            color: var(--c-acid);
            transform: translateY(-1px);
        }
        @media (max-width: 768px) {
            .activity-bar .container-custom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        /* ===== SECTIONS ===== */
        .section-28quan {
            padding: var(--sp-7) 0;
            position: relative;
        }
        .section-28quan + .section-28quan {
            border-top: 1px solid var(--c-border);
        }
        .section-dark {
            background: var(--c-dark);
            color: var(--c-white);
        }
        .section-dark + .section-dark,
        .section-dark + .section-28quan {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .section-warm {
            background: var(--c-bg-warm);
        }
        .section-heading {
            margin-bottom: 40px;
            max-width: 720px;
        }
        .section-heading .section-tag {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            padding: 6px 14px;
            border-radius: var(--radius-full);
            background: rgba(255, 106, 61, 0.12);
            color: var(--c-orange);
            margin-bottom: 16px;
        }
        .section-heading h2 {
            font-size: 2rem;
            font-weight: 900;
            line-height: 1.25;
            letter-spacing: -0.01em;
            color: inherit;
            margin-bottom: 14px;
        }
        .section-heading p {
            font-size: 1rem;
            color: var(--c-text-soft);
            line-height: 1.8;
            margin-bottom: 0;
        }
        .section-dark .section-heading h2 {
            color: var(--c-white);
        }
        .section-dark .section-heading p {
            color: rgba(255, 255, 255, 0.65);
        }
        .section-dark .section-heading .section-tag {
            background: rgba(217, 242, 79, 0.12);
            color: var(--c-acid);
        }

        @media (max-width: 768px) {
            .section-28quan {
                padding: var(--sp-6) 0;
            }
            .section-heading h2 {
                font-size: 1.5rem;
            }
            .section-heading {
                margin-bottom: 28px;
            }
        }

        /* ===== CARDS ===== */
        .card-28quan {
            background: var(--c-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--c-border);
            padding: 28px;
            box-shadow: var(--shadow-md);
            transition: all var(--transition-med);
            height: 100%;
            position: relative;
            overflow: hidden;
        }
        .card-28quan:hover {
            box-shadow: var(--shadow-lg);
            border-color: var(--c-acid);
            transform: translateY(-3px);
        }
        .card-28quan .card-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--c-acid-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            color: var(--c-ink);
            margin-bottom: 16px;
        }
        .card-28quan .card-icon.orange {
            background: var(--c-orange-soft);
            color: var(--c-orange);
        }
        .card-28quan h3 {
            font-size: 1.15rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--c-ink);
        }
        .card-28quan p {
            font-size: 0.92rem;
            color: var(--c-text-soft);
            line-height: 1.7;
            margin-bottom: 0;
        }

        .card-dark {
            background: var(--c-dark-2);
            border-color: rgba(255, 255, 255, 0.08);
        }
        .card-dark h3 {
            color: var(--c-white);
        }
        .card-dark p {
            color: rgba(255, 255, 255, 0.65);
        }
        .card-dark:hover {
            border-color: var(--c-acid);
        }

        /* ===== LISTS & BADGES ===== */
        .tag-28quan {
            display: inline-block;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.02em;
        }
        .tag-auth {
            background: var(--c-acid);
            color: var(--c-ink);
        }
        .tag-orange {
            background: var(--c-orange-soft);
            color: var(--c-orange);
        }
        .tag-gray {
            background: #ECEAE4;
            color: var(--c-text-soft);
        }
        .tag-dark {
            background: rgba(255, 255, 255, 0.1);
            color: rgba(255, 255, 255, 0.7);
        }

        /* ===== PAIN POINTS ===== */
        .pain-list {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
            gap: 20px;
        }
        .pain-item {
            background: var(--c-card);
            border-radius: var(--radius-md);
            padding: 24px;
            border: 1px solid var(--c-border);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            gap: 8px;
            transition: all var(--transition-fast);
        }
        .pain-item:hover {
            border-color: var(--c-orange);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .pain-item .pain-num {
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--c-orange);
            letter-spacing: 0.04em;
        }
        .pain-item h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--c-ink);
            margin-bottom: 4px;
        }
        .pain-item p {
            font-size: 0.88rem;
            color: var(--c-text-soft);
            line-height: 1.65;
            margin: 0;
        }

        /* ===== STEPS ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
            gap: 20px;
            counter-reset: step-counter;
        }
        .step-card {
            background: var(--c-card);
            border-radius: var(--radius-lg);
            padding: 28px 22px;
            border: 1px solid var(--c-border);
            box-shadow: var(--shadow-sm);
            position: relative;
            counter-increment: step-counter;
            transition: all var(--transition-fast);
        }
        .step-card::before {
            content: counter(step-counter, decimal-leading-zero);
            font-size: 2rem;
            font-weight: 900;
            color: var(--c-acid);
            line-height: 1;
            display: block;
            margin-bottom: 12px;
        }
        .step-card h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--c-ink);
            margin-bottom: 8px;
        }
        .step-card p {
            font-size: 0.88rem;
            color: var(--c-text-soft);
            line-height: 1.65;
            margin: 0;
        }
        .step-card:hover {
            border-color: var(--c-acid);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .section-dark .step-card {
            background: var(--c-dark-2);
            border-color: rgba(255, 255, 255, 0.08);
        }
        .section-dark .step-card h3 {
            color: var(--c-white);
        }
        .section-dark .step-card p {
            color: rgba(255, 255, 255, 0.6);
        }

        /* ===== DATA BARS ===== */
        .data-bars {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
            gap: 16px;
        }
        .data-bar-item {
            background: var(--c-card);
            border-radius: var(--radius-md);
            padding: 20px;
            text-align: center;
            border: 1px solid var(--c-border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
        }
        .data-bar-item:hover {
            transform: translateY(-2px);
            border-color: var(--c-acid);
            box-shadow: var(--shadow-md);
        }
        .data-bar-item .data-num {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--c-ink);
            line-height: 1.1;
        }
        .data-bar-item .data-unit {
            font-size: 0.85rem;
            color: var(--c-text-soft);
            margin-top: 4px;
            font-weight: 500;
        }
        .section-dark .data-bar-item {
            background: var(--c-dark-2);
            border-color: rgba(255, 255, 255, 0.1);
        }
        .section-dark .data-bar-item .data-num {
            color: var(--c-acid);
        }
        .section-dark .data-bar-item .data-unit {
            color: rgba(255, 255, 255, 0.6);
        }

        /* ===== TESTIMONIALS ===== */
        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(260px, 1fr));
            gap: 20px;
        }
        .testimonial-card {
            background: var(--c-card);
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--c-border);
            box-shadow: var(--shadow-sm);
            display: flex;
            flex-direction: column;
            gap: 12px;
            transition: all var(--transition-fast);
        }
        .testimonial-card:hover {
            border-color: var(--c-acid);
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
        }
        .testimonial-header {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .testimonial-avatar {
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--c-acid-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            font-size: 0.9rem;
            color: var(--c-ink);
            flex-shrink: 0;
        }
        .testimonial-info .t-name {
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--c-ink);
        }
        .testimonial-info .t-scene {
            font-size: 0.75rem;
            color: var(--c-text-soft);
        }
        .testimonial-text {
            font-size: 0.9rem;
            line-height: 1.7;
            color: var(--c-text-soft);
            margin: 0;
        }
        .section-dark .testimonial-card {
            background: var(--c-dark-2);
            border-color: rgba(255, 255, 255, 0.08);
        }
        .section-dark .testimonial-info .t-name {
            color: var(--c-white);
        }
        .section-dark .testimonial-info .t-scene {
            color: rgba(255, 255, 255, 0.6);
        }
        .section-dark .testimonial-text {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ===== IMAGE CARD ===== */
        .img-card-28quan {
            display: flex;
            flex-direction: column;
            gap: 16px;
            background: var(--c-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--c-border);
            box-shadow: var(--shadow-sm);
            transition: all var(--transition-fast);
            height: 100%;
        }
        .img-card-28quan:hover {
            box-shadow: var(--shadow-lg);
            border-color: var(--c-acid);
            transform: translateY(-3px);
        }
        .img-card-28quan .img-wrap {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--c-bg-warm);
            position: relative;
        }
        .img-card-28quan .img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .img-card-28quan:hover .img-wrap img {
            transform: scale(1.04);
        }
        .img-card-28quan .img-body {
            padding: 20px 20px 24px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }
        .img-card-28quan .img-body h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--c-ink);
            margin: 0;
            line-height: 1.4;
        }
        .img-card-28quan .img-body p {
            font-size: 0.88rem;
            color: var(--c-text-soft);
            line-height: 1.65;
            margin: 0;
        }
        .img-card-28quan .img-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.78rem;
            color: var(--c-text-light);
            margin-top: 4px;
        }

        /* ===== SCORE BAR ===== */
        .score-bar-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-top: 6px;
        }
        .score-bar {
            flex: 1;
            height: 6px;
            background: #ECEAE4;
            border-radius: 3px;
            overflow: hidden;
        }
        .score-bar .score-fill {
            height: 100%;
            background: var(--c-orange);
            border-radius: 3px;
        }
        .score-bar-label {
            font-size: 0.78rem;
            font-weight: 600;
            color: var(--c-orange);
            white-space: nowrap;
        }

        /* ===== FAQ ===== */
        .faq-28quan .accordion-item {
            background: var(--c-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md) !important;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .faq-28quan .accordion-button {
            background: transparent;
            color: var(--c-ink);
            font-weight: 700;
            font-size: 0.95rem;
            padding: 20px 24px;
            border: none;
            box-shadow: none;
            border-radius: var(--radius-md) !important;
        }
        .faq-28quan .accordion-button:not(.collapsed) {
            background: var(--c-acid-soft);
            color: var(--c-ink);
        }
        .faq-28quan .accordion-button:focus {
            outline: 2px solid var(--c-orange);
            outline-offset: -2px;
        }
        .faq-28quan .accordion-body {
            padding: 4px 24px 20px;
            font-size: 0.9rem;
            color: var(--c-text-soft);
            line-height: 1.75;
        }
        .section-dark .faq-28quan .accordion-item {
            background: var(--c-dark-2);
            border-color: rgba(255, 255, 255, 0.1);
        }
        .section-dark .faq-28quan .accordion-button {
            color: var(--c-white);
        }
        .section-dark .faq-28quan .accordion-button:not(.collapsed) {
            background: rgba(217, 242, 79, 0.12);
            color: var(--c-acid);
        }
        .section-dark .faq-28quan .accordion-body {
            color: rgba(255, 255, 255, 0.65);
        }

        /* ===== CTA SECTION ===== */
        .cta-28quan {
            background: var(--c-ink);
            color: var(--c-white);
            padding: var(--sp-7) 0;
            position: relative;
            overflow: hidden;
        }
        .cta-28quan::before {
            content: "";
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/970fb9774a980af3.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.25;
            z-index: 0;
        }
        .cta-28quan .container-custom {
            position: relative;
            z-index: 1;
        }
        .cta-28quan h2 {
            font-size: 2rem;
            font-weight: 900;
            margin-bottom: 16px;
            color: var(--c-white);
        }
        .cta-28quan p {
            font-size: 1rem;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.7;
            margin-bottom: 28px;
            max-width: 560px;
        }
        .cta-form {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
            max-width: 480px;
        }
        .cta-form input {
            flex: 1;
            min-width: 220px;
            padding: 14px 18px;
            border-radius: var(--radius-full);
            border: 1px solid rgba(255, 255, 255, 0.2);
            background: rgba(255, 255, 255, 0.06);
            color: var(--c-white);
            font-size: 0.9rem;
            transition: border var(--transition-fast);
        }
        .cta-form input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }
        .cta-form input:focus {
            border-color: var(--c-acid);
            outline: 2px solid var(--c-acid);
            outline-offset: 2px;
        }

        /* ===== FOOTER ===== */
        .footer-28quan {
            background: var(--c-dark);
            color: rgba(255, 255, 255, 0.65);
            padding: 48px 0 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }
        .footer-28quan .footer-top {
            display: grid;
            grid-template-columns: 1.5fr 0.8fr 0.8fr;
            gap: 32px;
            margin-bottom: 36px;
        }
        .footer-brand .footer-logo {
            font-size: 1.4rem;
            font-weight: 900;
            color: var(--c-acid);
            margin-bottom: 12px;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .footer-brand .footer-logo .logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: var(--c-acid);
            color: var(--c-ink);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.95rem;
        }
        .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.7;
            margin: 0;
        }
        .footer-col h4 {
            font-size: 0.9rem;
            font-weight: 700;
            color: var(--c-white);
            margin-bottom: 14px;
        }
        .footer-col a {
            display: block;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.55);
            padding: 6px 0;
            transition: all var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--c-acid);
            padding-left: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 20px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
            font-size: 0.8rem;
        }
        .footer-bottom .footer-links a {
            color: rgba(255, 255, 255, 0.5);
            margin-right: 16px;
            transition: color var(--transition-fast);
        }
        .footer-bottom .footer-links a:hover {
            color: var(--c-acid);
        }
        @media (max-width: 768px) {
            .footer-28quan .footer-top {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        /* ===== RESPONSIVE HELPERS ===== */
        @media (max-width: 768px) {
            .hero-28quan {
                min-height: auto;
            }
            .hero-grid {
                gap: 28px;
            }
            .section-28quan {
                padding: 48px 0;
            }
            .steps-grid {
                grid-template-columns: 1fr;
            }
            .cta-28quan {
                padding: 48px 0;
            }
        }
        @media (max-width: 520px) {
            .hero-left h1 {
                font-size: 1.6rem;
            }
            .hero-cta-group {
                flex-direction: column;
                align-items: stretch;
            }
            .btn-28quan {
                width: 100%;
            }
            .data-bars {
                grid-template-columns: 1fr 1fr;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .pain-list {
                grid-template-columns: 1fr;
            }
        }

/* roulang page: category2 */
:root {
            --c-ink: #1A1D20;
            --c-ink-2: #262B30;
            --c-acid: #D9F24F;
            --c-acid-soft: #EDF8B8;
            --c-orange: #FF6A3D;
            --c-orange-soft: #FFE0D6;
            --c-bg: #F5F2EB;
            --c-bg-warm: #EFEAE0;
            --c-card: #FFFFFF;
            --c-dark: #121417;
            --c-dark-2: #1E2225;
            --c-border: #E9E5DE;
            --c-border-strong: #D6D0C4;
            --c-text: #23262A;
            --c-text-soft: #6B7075;
            --c-text-light: #9BA0A5;
            --c-white: #FFFFFF;
            --c-acid-ink: #1A1D20;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --radius-full: 999px;
            --shadow-sm: 0 4px 12px rgba(18, 20, 23, 0.05);
            --shadow-md: 0 8px 24px rgba(18, 20, 23, 0.06);
            --shadow-lg: 0 16px 40px rgba(18, 20, 23, 0.12);
            --shadow-glow: 0 8px 32px rgba(217, 242, 79, 0.18);
            --font-sans: "Alibaba PuHuiTi", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
            --sp-0: 0;
            --sp-1: 8px;
            --sp-2: 16px;
            --sp-3: 24px;
            --sp-4: 32px;
            --sp-5: 48px;
            --sp-6: 64px;
            --sp-7: 80px;
            --sp-8: 96px;
            --sp-9: 120px;
            --nav-height: 72px;
            --transition-fast: 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --transition-med: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--c-text);
            background-color: var(--c-bg);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            letter-spacing: 0.01em;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast), background var(--transition-fast), border var(--transition-fast);
        }

        a:hover {
            color: var(--c-orange);
        }

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

        button:focus,
        a:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: 2px solid var(--c-orange);
            outline-offset: 2px;
        }

        .container-custom {
            width: 100%;
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 32px;
            padding-right: 32px;
        }

        /* ===== NAVBAR ===== */
        .navbar-28quan {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(26, 29, 32, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            min-height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: background var(--transition-med);
        }

        .navbar-28quan .navbar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            width: 100%;
            flex-wrap: nowrap;
        }

        .navbar-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 900;
            font-size: 1.5rem;
            color: var(--c-white);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .navbar-logo .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--c-acid);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            font-weight: 900;
            color: var(--c-ink);
            letter-spacing: -0.02em;
        }

        .navbar-logo span.logo-dot {
            color: var(--c-acid);
            font-weight: 900;
        }

        .navbar-logo:hover {
            color: var(--c-white);
        }

        .navbar-menu {
            display: flex;
            align-items: center;
            gap: 4px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -webkit-overflow-scrolling: touch;
        }

        .navbar-menu::-webkit-scrollbar {
            display: none;
        }

        .navbar-menu a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 14px;
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.9rem;
            font-weight: 500;
            border-radius: var(--radius-full);
            white-space: nowrap;
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        .navbar-menu a:hover {
            color: var(--c-white);
            background: rgba(255, 255, 255, 0.08);
        }

        .navbar-menu a.active {
            color: var(--c-acid);
            background: rgba(217, 242, 79, 0.12);
            font-weight: 600;
        }

        .navbar-right {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
        }

        .badge-activity-nav {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 14px;
            background: rgba(217, 242, 79, 0.12);
            border: 1px solid rgba(217, 242, 79, 0.35);
            border-radius: var(--radius-full);
            font-size: 0.8rem;
            font-weight: 600;
            color: var(--c-acid);
            white-space: nowrap;
        }

        .pulse-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--c-acid);
            animation: pulse-dot-fade 1.8s ease-in-out infinite;
        }

        @keyframes pulse-dot-fade {
            0%,
            100% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.4;
                transform: scale(0.6);
            }
        }

        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            background: var(--c-acid);
            color: var(--c-ink);
            font-weight: 700;
            font-size: 0.9rem;
            border-radius: var(--radius-full);
            border: none;
            white-space: nowrap;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
        }

        .btn-nav-cta:hover {
            background: #c8e83a;
            color: var(--c-ink);
            transform: translateY(-2px);
            box-shadow: var(--shadow-glow);
        }

        .navbar-toggler-28 {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: none;
            padding: 8px;
            cursor: pointer;
        }

        .navbar-toggler-28 span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--c-white);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .navbar-toggler-28.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .navbar-toggler-28.open span:nth-child(2) {
            opacity: 0;
        }

        .navbar-toggler-28.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* ===== CATEGORY HERO ===== */
        .cat-hero-lap {
            position: relative;
            padding: 72px 0 56px;
            background: linear-gradient(135deg, #121417 0%, #1E2225 45%, #121417 100%);
            overflow: hidden;
        }

        .cat-hero-lap::before {
            content: "";
            position: absolute;
            top: -60px;
            right: -60px;
            width: 360px;
            height: 360px;
            border-radius: 50%;
            background: rgba(217, 242, 79, 0.08);
            pointer-events: none;
        }

        .cat-hero-lap::after {
            content: "";
            position: absolute;
            bottom: -80px;
            left: 10%;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: rgba(255, 106, 61, 0.06);
            pointer-events: none;
        }

        .cat-hero-inner {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
        }

        .cat-hero-text h1 {
            font-size: 2.6rem;
            font-weight: 900;
            color: var(--c-white);
            margin-bottom: 12px;
            line-height: 1.25;
            letter-spacing: -0.01em;
        }

        .cat-hero-text h1 .highlight {
            color: var(--c-acid);
        }

        .cat-hero-text p {
            font-size: 1.05rem;
            color: rgba(255, 255, 255, 0.65);
            max-width: 560px;
            margin-bottom: 0;
        }

        .cat-hero-stat {
            display: flex;
            gap: 32px;
            flex-shrink: 0;
        }

        .cat-hero-stat .stat-item {
            text-align: center;
            padding: 20px 28px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius-md);
            min-width: 110px;
        }

        .cat-hero-stat .stat-num {
            font-size: 1.9rem;
            font-weight: 900;
            color: var(--c-acid);
            line-height: 1.2;
        }

        .cat-hero-stat .stat-label {
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.55);
            margin-top: 4px;
        }

        /* ===== SECTION GENERAL ===== */
        .section-lap {
            padding: 72px 0;
        }

        .section-lap-alt {
            background: var(--c-bg-warm);
        }

        .section-lap-dark {
            background: var(--c-dark);
            color: var(--c-white);
        }

        .section-head {
            margin-bottom: 40px;
        }

        .section-head h2 {
            font-size: 1.75rem;
            font-weight: 800;
            color: var(--c-ink);
            margin-bottom: 8px;
            letter-spacing: -0.01em;
        }

        .section-lap-dark .section-head h2 {
            color: var(--c-white);
        }

        .section-head .sub {
            font-size: 0.95rem;
            color: var(--c-text-soft);
        }

        .section-lap-dark .section-head .sub {
            color: rgba(255, 255, 255, 0.55);
        }

        /* ===== FASTEST LAP SHOWCASE ===== */
        .fastest-lap-card {
            background: var(--c-card);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-lg);
            padding: 40px 36px;
            display: flex;
            align-items: center;
            gap: 40px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }

        .fastest-lap-card::after {
            content: "";
            position: absolute;
            top: 0;
            right: 0;
            width: 140px;
            height: 140px;
            background: radial-gradient(circle at top right, rgba(217, 242, 79, 0.18), transparent 70%);
            pointer-events: none;
        }

        .fastest-lap-main {
            display: flex;
            align-items: baseline;
            gap: 8px;
        }

        .fastest-lap-num {
            font-size: 4.2rem;
            font-weight: 900;
            color: var(--c-ink);
            letter-spacing: -0.03em;
            line-height: 1;
        }

        .fastest-lap-unit {
            font-size: 1.3rem;
            font-weight: 600;
            color: var(--c-text-soft);
        }

        .fastest-lap-info {
            flex: 1;
            min-width: 220px;
        }

        .fastest-lap-info .track-name {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--c-ink);
        }

        .fastest-lap-info .car-model {
            font-size: 0.9rem;
            color: var(--c-text-soft);
            margin-top: 2px;
        }

        .fastest-lap-info .date-badge {
            display: inline-block;
            margin-top: 10px;
            padding: 4px 12px;
            background: var(--c-acid-soft);
            border-radius: var(--radius-full);
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--c-ink);
        }

        .fastest-lap-badge {
            flex-shrink: 0;
            padding: 12px 22px;
            background: var(--c-acid);
            border-radius: var(--radius-full);
            font-weight: 800;
            font-size: 0.85rem;
            color: var(--c-ink);
            letter-spacing: 0.02em;
        }

        /* ===== FILTER BAR ===== */
        .filter-bar {
            background: var(--c-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-sm);
            padding: 20px 24px;
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            align-items: center;
        }

        .filter-bar .filter-label {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--c-text-soft);
            margin-right: 4px;
        }

        .filter-bar select {
            padding: 9px 16px;
            border: 1px solid var(--c-border-strong);
            border-radius: var(--radius-sm);
            background: var(--c-white);
            color: var(--c-text);
            font-size: 0.85rem;
            min-width: 130px;
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='10' height='6' viewBox='0 0 10 6'%3E%3Cpath d='M0 0l5 6 5-6z' fill='%236B7075'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 12px center;
            cursor: pointer;
            transition: border var(--transition-fast), box-shadow var(--transition-fast);
        }

        .filter-bar select:focus {
            border-color: var(--c-orange);
            box-shadow: 0 0 0 3px rgba(255, 106, 61, 0.15);
            outline: none;
        }

        .filter-btn {
            padding: 9px 22px;
            background: var(--c-ink);
            color: var(--c-white);
            border: none;
            border-radius: var(--radius-full);
            font-size: 0.85rem;
            font-weight: 600;
            cursor: pointer;
            transition: background var(--transition-fast), transform var(--transition-fast);
            white-space: nowrap;
        }

        .filter-btn:hover {
            background: var(--c-ink-2);
            transform: translateY(-1px);
        }

        .filter-reset {
            padding: 9px 18px;
            background: transparent;
            border: 1px solid var(--c-border-strong);
            border-radius: var(--radius-full);
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--c-text-soft);
            cursor: pointer;
            white-space: nowrap;
            transition: border var(--transition-fast), color var(--transition-fast);
        }

        .filter-reset:hover {
            border-color: var(--c-ink);
            color: var(--c-ink);
        }

        /* ===== LAP RANKING ===== */
        .lap-ranking-list {
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .lap-rank-card {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--c-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            padding: 18px 22px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-med), border var(--transition-fast), transform var(--transition-fast);
            position: relative;
            overflow: hidden;
        }

        .lap-rank-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: var(--c-border-strong);
            transform: translateY(-2px);
        }

        .lap-rank-card.top-1 {
            border-left: 4px solid var(--c-acid);
        }

        .lap-rank-card.top-2 {
            border-left: 4px solid #c0c8a0;
        }

        .lap-rank-card.top-3 {
            border-left: 4px solid var(--c-orange);
        }

        .rank-number {
            font-size: 1.5rem;
            font-weight: 900;
            color: var(--c-text-soft);
            width: 52px;
            text-align: center;
            flex-shrink: 0;
        }

        .lap-rank-card.top-1 .rank-number {
            color: var(--c-acid);
            font-size: 1.8rem;
        }

        .lap-rank-card.top-2 .rank-number {
            color: #8a9270;
        }

        .lap-rank-card.top-3 .rank-number {
            color: var(--c-orange);
        }

        .rank-track-info {
            flex: 1;
            min-width: 160px;
        }

        .rank-track-info h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--c-ink);
            margin-bottom: 2px;
        }

        .rank-track-info .rank-car {
            font-size: 0.85rem;
            color: var(--c-text-soft);
        }

        .rank-lap-time {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--c-ink);
            white-space: nowrap;
            letter-spacing: -0.01em;
        }

        .rank-lap-time .time-unit {
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--c-text-soft);
        }

        .rank-date {
            font-size: 0.8rem;
            color: var(--c-text-light);
            white-space: nowrap;
        }

        .rank-status {
            display: inline-flex;
            align-items: center;
            padding: 5px 12px;
            border-radius: var(--radius-full);
            font-size: 0.72rem;
            font-weight: 700;
            white-space: nowrap;
        }

        .rank-status.new-record {
            background: var(--c-acid-soft);
            color: var(--c-ink);
        }

        .rank-status.steady {
            background: #E8F0D5;
            color: #4A5A2A;
        }

        .rank-status.fastest-month {
            background: var(--c-orange-soft);
            color: #C24722;
        }

        .rank-status.new-entry {
            background: #E5E0F5;
            color: #5A4B8A;
        }

        .rank-status.updated {
            background: #F0F2F5;
            color: #5A6070;
        }

        .rank-status.mountain-record {
            background: #DDE8F0;
            color: #2A5A7A;
        }

        .rank-status.weekly-fastest {
            background: var(--c-acid);
            color: var(--c-ink);
        }

        /* ===== DATA METHODOLOGY ===== */
        .methodology-box {
            background: var(--c-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            padding: 28px 32px;
            display: flex;
            gap: 24px;
            flex-wrap: wrap;
            align-items: flex-start;
        }

        .methodology-item {
            flex: 1;
            min-width: 200px;
            display: flex;
            gap: 14px;
            align-items: flex-start;
        }

        .methodology-icon {
            width: 40px;
            height: 40px;
            flex-shrink: 0;
            border-radius: 10px;
            background: var(--c-acid-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            color: var(--c-ink);
        }

        .methodology-item h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--c-ink);
            margin-bottom: 4px;
        }

        .methodology-item p {
            font-size: 0.85rem;
            color: var(--c-text-soft);
            margin-bottom: 0;
        }

        /* ===== DOWNLOAD CTA ===== */
        .download-cta {
            background: var(--c-card);
            border-radius: var(--radius-xl);
            box-shadow: var(--shadow-md);
            padding: 36px 40px;
            display: flex;
            align-items: center;
            gap: 32px;
            flex-wrap: wrap;
            border: 1px solid var(--c-border);
        }

        .download-cta .dl-info {
            flex: 1;
            min-width: 200px;
        }

        .download-cta .dl-info h3 {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--c-ink);
            margin-bottom: 6px;
        }

        .download-cta .dl-info p {
            font-size: 0.9rem;
            color: var(--c-text-soft);
            margin-bottom: 0;
        }

        .dl-file-badge {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 18px;
            background: var(--c-bg-warm);
            border-radius: var(--radius-md);
            font-size: 0.85rem;
            color: var(--c-text-soft);
        }

        .dl-file-badge i {
            font-size: 1.4rem;
            color: var(--c-ink);
        }

        .btn-download {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 14px 28px;
            background: var(--c-acid);
            color: var(--c-ink);
            font-weight: 700;
            font-size: 0.95rem;
            border-radius: var(--radius-full);
            border: none;
            white-space: nowrap;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
            cursor: pointer;
        }

        .btn-download:hover {
            background: #c8e83a;
            color: var(--c-ink);
            transform: translateY(-2px);
            box-shadow: var(--shadow-glow);
        }

        /* ===== RELATED ARTICLES ===== */
        .related-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .related-card {
            background: var(--c-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-med), border var(--transition-fast), transform var(--transition-fast);
            display: flex;
            flex-direction: column;
        }

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

        .related-card img {
            width: 100%;
            height: 160px;
            object-fit: cover;
        }

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

        .related-card-body .tag {
            font-size: 0.7rem;
            font-weight: 700;
            color: var(--c-orange);
            text-transform: uppercase;
            letter-spacing: 0.03em;
            margin-bottom: 6px;
        }

        .related-card-body h4 {
            font-size: 0.95rem;
            font-weight: 700;
            color: var(--c-ink);
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .related-card-body p {
            font-size: 0.8rem;
            color: var(--c-text-soft);
            margin-bottom: 0;
            line-height: 1.5;
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--c-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-med);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            cursor: pointer;
            font-weight: 700;
            font-size: 0.95rem;
            color: var(--c-ink);
            user-select: none;
        }

        .faq-question i {
            font-size: 0.85rem;
            color: var(--c-text-soft);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }

        .faq-item.open .faq-question i {
            transform: rotate(180deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-med), padding var(--transition-med);
            padding: 0 22px;
        }

        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 0 22px 18px;
        }

        .faq-answer p {
            font-size: 0.9rem;
            color: var(--c-text-soft);
            margin-bottom: 0;
            line-height: 1.7;
        }

        /* ===== SUBSCRIBE ===== */
        .subscribe-section {
            background: var(--c-dark);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            display: flex;
            align-items: center;
            gap: 32px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }

        .subscribe-section::before {
            content: "";
            position: absolute;
            top: -40px;
            right: -20px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(217, 242, 79, 0.1);
            pointer-events: none;
        }

        .subscribe-section .sub-text {
            flex: 1;
            min-width: 220px;
            position: relative;
            z-index: 2;
        }

        .subscribe-section .sub-text h3 {
            font-size: 1.5rem;
            font-weight: 900;
            color: var(--c-white);
            margin-bottom: 6px;
        }

        .subscribe-section .sub-text p {
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 0;
        }

        .subscribe-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
        }

        .subscribe-form input {
            flex: 1;
            min-width: 220px;
            padding: 13px 20px;
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: var(--radius-full);
            color: var(--c-white);
            font-size: 0.9rem;
        }

        .subscribe-form input::placeholder {
            color: rgba(255, 255, 255, 0.4);
        }

        .subscribe-form input:focus {
            outline: 2px solid var(--c-acid);
            outline-offset: 2px;
            border-color: transparent;
        }

        .subscribe-form .btn-sub {
            padding: 13px 28px;
            background: var(--c-acid);
            color: var(--c-ink);
            border: none;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            white-space: nowrap;
            transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast);
        }

        .subscribe-form .btn-sub:hover {
            background: #c8e83a;
            transform: translateY(-2px);
            box-shadow: var(--shadow-glow);
        }

        /* ===== FOOTER ===== */
        .footer-28quan {
            background: var(--c-dark);
            color: rgba(255, 255, 255, 0.65);
            padding: 48px 0 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        .footer-28quan .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 32px;
        }

        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.3rem;
            font-weight: 900;
            color: var(--c-white);
            margin-bottom: 12px;
        }

        .footer-brand .footer-logo .logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: var(--c-acid);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.9rem;
            font-weight: 900;
            color: var(--c-ink);
        }

        .footer-brand p {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.5);
            max-width: 320px;
            margin-bottom: 0;
            line-height: 1.6;
        }

        .footer-col h4 {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--c-white);
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }

        .footer-col a {
            display: block;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: 8px;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--c-acid);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.4);
        }

        .footer-bottom .footer-links {
            display: flex;
            gap: 16px;
        }

        .footer-bottom .footer-links a {
            color: rgba(255, 255, 255, 0.4);
            font-size: 0.78rem;
            transition: color var(--transition-fast);
        }

        .footer-bottom .footer-links a:hover {
            color: var(--c-acid);
        }

        /* ===== RESPONSIVE ===== */
        @media (max-width: 1024px) {
            .container-custom {
                padding-left: 24px;
                padding-right: 24px;
            }

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

            .cat-hero-text h1 {
                font-size: 2.1rem;
            }

            .fastest-lap-num {
                font-size: 3.2rem;
            }
        }

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

            .navbar-28quan .navbar-inner {
                gap: 12px;
            }

            .navbar-menu {
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(26, 29, 32, 0.98);
                flex-direction: column;
                align-items: stretch;
                gap: 0;
                padding: 12px 16px 20px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.3);
                display: none;
            }

            .navbar-menu.open {
                display: flex;
            }

            .navbar-menu a {
                padding: 14px 16px;
                border-radius: var(--radius-sm);
                font-size: 1rem;
                text-align: center;
                justify-content: center;
            }

            .navbar-toggler-28 {
                display: flex;
            }

            .badge-activity-nav {
                display: none;
            }

            .cat-hero-lap {
                padding: 40px 0 36px;
            }

            .cat-hero-inner {
                flex-direction: column;
                align-items: flex-start;
                gap: 24px;
            }

            .cat-hero-text h1 {
                font-size: 1.7rem;
            }

            .cat-hero-text p {
                font-size: 0.9rem;
            }

            .cat-hero-stat {
                gap: 12px;
                width: 100%;
            }

            .cat-hero-stat .stat-item {
                flex: 1;
                min-width: 0;
                padding: 14px 10px;
            }

            .cat-hero-stat .stat-num {
                font-size: 1.4rem;
            }

            .fastest-lap-card {
                padding: 24px 20px;
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
            }

            .fastest-lap-num {
                font-size: 2.8rem;
            }

            .fastest-lap-badge {
                padding: 8px 16px;
                font-size: 0.75rem;
            }

            .filter-bar {
                padding: 16px;
                gap: 10px;
            }

            .filter-bar select {
                min-width: 100%;
                width: 100%;
            }

            .filter-btn,
            .filter-reset {
                flex: 1;
                text-align: center;
                justify-content: center;
            }

            .lap-rank-card {
                padding: 14px 16px;
                gap: 12px;
                flex-wrap: wrap;
            }

            .rank-number {
                width: 36px;
                font-size: 1.2rem;
            }

            .lap-rank-card.top-1 .rank-number {
                font-size: 1.4rem;
            }

            .rank-lap-time {
                font-size: 1.2rem;
            }

            .rank-date {
                width: 100%;
                text-align: left;
            }

            .methodology-box {
                padding: 20px;
                gap: 16px;
                flex-direction: column;
            }

            .download-cta {
                padding: 24px 20px;
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
            }

            .related-grid {
                grid-template-columns: 1fr;
            }

            .subscribe-section {
                padding: 28px 20px;
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
            }

            .subscribe-form {
                width: 100%;
            }

            .subscribe-form input {
                min-width: 100%;
            }

            .footer-28quan .footer-top {
                grid-template-columns: 1fr;
                gap: 24px;
            }

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

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

            .section-head h2 {
                font-size: 1.4rem;
            }
        }

        @media (max-width: 576px) {
            .cat-hero-text h1 {
                font-size: 1.4rem;
            }

            .fastest-lap-num {
                font-size: 2.2rem;
            }

            .lap-rank-card {
                flex-direction: column;
                align-items: flex-start;
            }

            .rank-lap-time {
                font-size: 1.1rem;
            }
        }

/* roulang page: category1 */
:root {
            --c-ink: #1A1D20;
            --c-ink-2: #262B30;
            --c-acid: #D9F24F;
            --c-acid-soft: #EDF8B8;
            --c-orange: #FF6A3D;
            --c-orange-soft: #FFE0D6;
            --c-bg: #F5F2EB;
            --c-bg-warm: #EFEAE0;
            --c-card: #FFFFFF;
            --c-dark: #121417;
            --c-dark-2: #1E2225;
            --c-border: #E9E5DE;
            --c-border-strong: #D6D0C4;
            --c-text: #23262A;
            --c-text-soft: #6B7075;
            --c-text-light: #9BA0A5;
            --c-white: #FFFFFF;
            --c-acid-ink: #1A1D20;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --radius-full: 999px;
            --shadow-sm: 0 4px 12px rgba(18, 20, 23, 0.05);
            --shadow-md: 0 8px 24px rgba(18, 20, 23, 0.06);
            --shadow-lg: 0 16px 40px rgba(18, 20, 23, 0.12);
            --shadow-glow: 0 8px 32px rgba(217, 242, 79, 0.18);
            --font-sans: "Alibaba PuHuiTi", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
            --sp-0: 0;
            --sp-1: 8px;
            --sp-2: 16px;
            --sp-3: 24px;
            --sp-4: 32px;
            --sp-5: 48px;
            --sp-6: 64px;
            --sp-7: 80px;
            --sp-8: 96px;
            --sp-9: 120px;
            --nav-height: 72px;
            --transition-fast: 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --transition-med: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--c-text);
            background-color: var(--c-bg);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            letter-spacing: 0.01em;
        }

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

        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast), background var(--transition-fast), border var(--transition-fast);
        }

        a:hover {
            color: var(--c-orange);
        }

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

        button:focus,
        a:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: 2px solid var(--c-orange);
            outline-offset: 2px;
        }

        .container-custom {
            width: 100%;
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 48px;
            padding-right: 48px;
        }

        /* ===== 顶部活动条 ===== */
        .top-activity-bar {
            background: var(--c-dark);
            color: var(--c-white);
            padding: 10px 0;
            font-size: 0.85rem;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .top-activity-bar .container-custom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .top-activity-left {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .pulse-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--c-acid);
            animation: pulse-dot 1.6s ease-in-out infinite;
        }

        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(217, 242, 79, 0.4);
            }
            50% {
                box-shadow: 0 0 0 6px rgba(217, 242, 79, 0);
            }
        }

        .badge-activity-nav {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.06);
            color: var(--c-white);
            font-weight: 600;
            font-size: 0.8rem;
            padding: 6px 14px;
            border-radius: var(--radius-full);
            white-space: nowrap;
        }

        .top-activity-cta {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--c-dark);
            background: var(--c-acid);
            padding: 8px 18px;
            border-radius: var(--radius-full);
            white-space: nowrap;
            transition: background var(--transition-fast), transform var(--transition-fast);
        }

        .top-activity-cta:hover {
            background: var(--c-white);
            color: var(--c-dark);
            transform: translateY(-1px);
        }

        /* ===== 导航 ===== */
        .navbar-28quan {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(26, 29, 32, 0.96);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            min-height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: background var(--transition-med);
        }

        .navbar-28quan .navbar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            width: 100%;
            flex-wrap: nowrap;
        }

        .navbar-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 900;
            font-size: 1.5rem;
            color: var(--c-white);
            white-space: nowrap;
            flex-shrink: 0;
        }

        .navbar-logo .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--c-acid);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            font-weight: 900;
            color: var(--c-ink);
            letter-spacing: -0.02em;
        }

        .navbar-logo span.logo-dot {
            color: var(--c-acid);
            font-weight: 900;
        }

        .navbar-logo:hover {
            color: var(--c-white);
        }

        .navbar-menu {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -webkit-overflow-scrolling: touch;
        }

        .navbar-menu::-webkit-scrollbar {
            display: none;
        }

        .navbar-menu a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 14px;
            color: rgba(255, 255, 255, 0.72);
            font-size: 0.9rem;
            font-weight: 500;
            border-radius: var(--radius-full);
            white-space: nowrap;
            transition: color var(--transition-fast), background var(--transition-fast);
        }

        .navbar-menu a:hover {
            color: var(--c-white);
            background: rgba(255, 255, 255, 0.08);
        }

        .navbar-menu a.active {
            color: var(--c-dark);
            background: var(--c-acid);
            font-weight: 700;
        }

        .navbar-right {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            background: var(--c-orange);
            color: var(--c-white);
            font-weight: 700;
            font-size: 0.85rem;
            border-radius: var(--radius-full);
            border: none;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            white-space: nowrap;
        }

        .btn-nav-cta:hover {
            background: #ff7f57;
            color: var(--c-white);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 106, 61, 0.3);
        }

        .navbar-toggler-28 {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 44px;
            height: 44px;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            border-radius: var(--radius-sm);
            cursor: pointer;
            padding: 0;
            align-items: center;
        }

        .navbar-toggler-28 span {
            display: block;
            width: 20px;
            height: 2px;
            background: var(--c-white);
            border-radius: 2px;
            transition: transform var(--transition-fast), opacity var(--transition-fast);
        }

        .navbar-toggler-28[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }

        .navbar-toggler-28[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }

        .navbar-toggler-28[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* 移动端菜单 */
        .mobile-menu-dropdown {
            display: none;
            background: var(--c-dark);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 16px 0;
        }

        .mobile-menu-dropdown.show {
            display: block;
        }

        .mobile-menu-dropdown a {
            display: block;
            padding: 12px 32px;
            color: rgba(255, 255, 255, 0.78);
            font-weight: 500;
            font-size: 1rem;
            border-radius: 0;
            transition: background var(--transition-fast), color var(--transition-fast);
        }

        .mobile-menu-dropdown a:hover {
            background: rgba(255, 255, 255, 0.06);
            color: var(--c-white);
        }

        .mobile-menu-dropdown a.active {
            background: rgba(217, 242, 79, 0.12);
            color: var(--c-acid);
            font-weight: 700;
            border-left: 3px solid var(--c-acid);
        }

        /* ===== 面包屑 ===== */
        .breadcrumb-28 {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 0.85rem;
            color: var(--c-text-soft);
            padding-top: 24px;
            flex-wrap: wrap;
        }

        .breadcrumb-28 a {
            color: var(--c-text-soft);
            font-weight: 500;
        }

        .breadcrumb-28 a:hover {
            color: var(--c-orange);
        }

        .breadcrumb-28 .separator {
            color: var(--c-text-light);
        }

        .breadcrumb-28 .current {
            color: var(--c-text);
            font-weight: 600;
        }

        /* ===== 分类页头 ===== */
        .category-hero {
            padding: 48px 0 40px;
            background: var(--c-bg);
        }

        .category-hero h1 {
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--c-ink);
            margin: 16px 0 12px;
            line-height: 1.25;
            letter-spacing: -0.01em;
        }

        .category-hero .lead {
            font-size: 1.1rem;
            color: var(--c-text-soft);
            max-width: 720px;
            line-height: 1.8;
        }

        /* ===== 板块通用 ===== */
        .section-common {
            padding: 64px 0;
        }

        .section-common.alt-bg {
            background: var(--c-bg-warm);
        }

        .section-common.dark-bg {
            background: var(--c-dark);
            color: var(--c-white);
        }

        .section-label {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.8rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: var(--c-orange);
            margin-bottom: 12px;
        }

        .section-title {
            font-size: 1.75rem;
            font-weight: 900;
            color: var(--c-ink);
            line-height: 1.3;
            margin-bottom: 12px;
        }

        .dark-bg .section-title {
            color: var(--c-white);
        }

        .section-desc {
            font-size: 1rem;
            color: var(--c-text-soft);
            max-width: 640px;
            line-height: 1.8;
            margin-bottom: 32px;
        }

        .dark-bg .section-desc {
            color: rgba(255, 255, 255, 0.7);
        }

        /* ===== 今日要闻大卡 ===== */
        .featured-card {
            display: flex;
            gap: 32px;
            background: var(--c-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            overflow: hidden;
            border: 1px solid var(--c-border);
            transition: box-shadow var(--transition-med), border-color var(--transition-med);
        }

        .featured-card:hover {
            box-shadow: var(--shadow-lg);
            border-color: var(--c-acid);
        }

        .featured-card .featured-img {
            flex: 0 0 45%;
            min-height: 320px;
            position: relative;
            overflow: hidden;
        }

        .featured-card .featured-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .featured-card .featured-body {
            padding: 32px 32px 32px 0;
            display: flex;
            flex-direction: column;
            justify-content: center;
            gap: 16px;
        }

        .featured-card .badge-date {
            font-size: 0.8rem;
            color: var(--c-text-soft);
            font-weight: 500;
        }

        .featured-card h3 {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--c-ink);
            line-height: 1.4;
            margin: 0;
        }

        .featured-card p {
            color: var(--c-text-soft);
            font-size: 0.95rem;
            line-height: 1.8;
            margin: 0;
        }

        .featured-card .badge-news {
            display: inline-block;
            background: var(--c-orange-soft);
            color: var(--c-orange);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            align-self: flex-start;
        }

        /* ===== 文章列表 ===== */
        .article-list-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .article-card {
            background: var(--c-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--c-border);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-med), transform var(--transition-med), border-color var(--transition-med);
            display: flex;
            flex-direction: column;
        }

        .article-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--c-acid);
        }

        .article-card .article-img {
            height: 180px;
            overflow: hidden;
        }

        .article-card .article-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-med);
        }

        .article-card:hover .article-img img {
            transform: scale(1.04);
        }

        .article-card .article-body {
            padding: 20px 20px 24px;
            display: flex;
            flex-direction: column;
            gap: 10px;
            flex: 1;
        }

        .article-card .article-tag {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 700;
            color: var(--c-ink);
            background: var(--c-acid-soft);
            padding: 3px 10px;
            border-radius: var(--radius-full);
            align-self: flex-start;
        }

        .article-card h3 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--c-ink);
            line-height: 1.5;
            margin: 0;
        }

        .article-card p {
            font-size: 0.88rem;
            color: var(--c-text-soft);
            line-height: 1.7;
            margin: 0;
            flex: 1;
        }

        .article-card .article-date {
            font-size: 0.75rem;
            color: var(--c-text-light);
            margin-top: 4px;
        }

        /* ===== 时间线 ===== */
        .timeline-wrap {
            position: relative;
            padding-left: 28px;
        }

        .timeline-wrap::before {
            content: "";
            position: absolute;
            left: 10px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: var(--c-border-strong);
            border-radius: 2px;
        }

        .timeline-item {
            position: relative;
            padding: 0 0 28px 28px;
        }

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

        .timeline-item::before {
            content: "";
            position: absolute;
            left: -28px;
            top: 4px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--c-card);
            border: 3px solid var(--c-acid);
            box-shadow: 0 0 0 4px rgba(217, 242, 79, 0.15);
        }

        .timeline-item .tl-date {
            font-size: 0.8rem;
            font-weight: 700;
            color: var(--c-orange);
            margin-bottom: 4px;
        }

        .timeline-item .tl-title {
            font-size: 1.05rem;
            font-weight: 800;
            color: var(--c-white);
            margin-bottom: 4px;
        }

        .timeline-item .tl-location {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.65);
        }

        .timeline-item .badge-status {
            display: inline-block;
            font-size: 0.72rem;
            font-weight: 700;
            padding: 3px 10px;
            border-radius: var(--radius-full);
            margin-top: 6px;
        }

        .badge-status.open {
            background: var(--c-acid);
            color: var(--c-ink);
        }

        .badge-status.soon {
            background: var(--c-orange);
            color: var(--c-white);
        }

        .badge-status.ended {
            background: rgba(255, 255, 255, 0.12);
            color: rgba(255, 255, 255, 0.6);
        }

        /* ===== 热门话题标签 ===== */
        .topics-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 12px;
        }

        .topic-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 0.85rem;
            font-weight: 600;
            color: var(--c-text);
            background: var(--c-card);
            border: 1px solid var(--c-border);
            padding: 8px 18px;
            border-radius: var(--radius-full);
            transition: background var(--transition-fast), border-color var(--transition-fast), color var(--transition-fast), transform var(--transition-fast);
        }

        .topic-tag:hover {
            background: var(--c-ink);
            border-color: var(--c-ink);
            color: var(--c-white);
            transform: translateY(-2px);
        }

        .topic-tag i {
            font-size: 0.8rem;
            opacity: 0.6;
        }

        /* ===== 编辑推荐 ===== */
        .editor-picks-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .editor-pick-card {
            background: var(--c-card);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--c-border);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-med), transform var(--transition-med);
            cursor: pointer;
        }

        .editor-pick-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
        }

        .editor-pick-card .pick-img {
            height: 160px;
            overflow: hidden;
        }

        .editor-pick-card .pick-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .editor-pick-card .pick-body {
            padding: 16px 20px 20px;
        }

        .editor-pick-card h3 {
            font-size: 1rem;
            font-weight: 700;
            color: var(--c-ink);
            margin-bottom: 6px;
            line-height: 1.5;
        }

        .editor-pick-card p {
            font-size: 0.85rem;
            color: var(--c-text-soft);
            margin: 0;
            line-height: 1.6;
        }

        /* ===== 订阅区 ===== */
        .subscribe-box {
            background: var(--c-card);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-md);
            padding: 40px 36px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            border: 1px solid var(--c-border);
        }

        .subscribe-box .sub-info h3 {
            font-size: 1.3rem;
            font-weight: 800;
            color: var(--c-ink);
            margin-bottom: 8px;
        }

        .subscribe-box .sub-info p {
            color: var(--c-text-soft);
            margin: 0;
            font-size: 0.9rem;
        }

        .subscribe-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            min-width: 280px;
            flex: 0 0 auto;
        }

        .subscribe-form input {
            flex: 1;
            min-width: 200px;
            padding: 12px 18px;
            border: 1px solid var(--c-border-strong);
            border-radius: var(--radius-full);
            background: var(--c-white);
            color: var(--c-text);
            font-size: 0.9rem;
            transition: border-color var(--transition-fast);
        }

        .subscribe-form input:focus {
            border-color: var(--c-acid);
            outline: 2px solid rgba(217, 242, 79, 0.3);
        }

        .subscribe-form button {
            padding: 12px 28px;
            background: var(--c-ink);
            color: var(--c-white);
            border: none;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 0.9rem;
            cursor: pointer;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
        }

        .subscribe-form button:hover {
            background: var(--c-ink-2);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(18, 20, 23, 0.2);
        }

        /* ===== 数据快照 ===== */
        .data-snapshot {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .snapshot-card {
            background: var(--c-dark-2);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: border-color var(--transition-med), transform var(--transition-med);
        }

        .snapshot-card:hover {
            border-color: var(--c-acid);
            transform: translateY(-4px);
        }

        .snapshot-card .snap-label {
            font-size: 0.8rem;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 8px;
        }

        .snapshot-card .snap-value {
            font-size: 2.2rem;
            font-weight: 900;
            color: var(--c-acid);
            line-height: 1.2;
            margin-bottom: 4px;
        }

        .snapshot-card .snap-detail {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
        }

        .btn-view-data {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 24px;
            background: var(--c-acid);
            color: var(--c-ink);
            font-weight: 700;
            font-size: 0.9rem;
            border-radius: var(--radius-full);
            border: none;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
        }

        .btn-view-data:hover {
            background: var(--c-white);
            color: var(--c-ink);
            transform: translateY(-2px);
            box-shadow: 0 10px 24px rgba(217, 242, 79, 0.3);
        }

        /* ===== FAQ ===== */
        .faq-list {
            max-width: 800px;
        }

        .faq-item {
            background: var(--c-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            margin-bottom: 12px;
            overflow: hidden;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .faq-item:hover {
            border-color: var(--c-border-strong);
            box-shadow: var(--shadow-sm);
        }

        .faq-item .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 16px 20px;
            cursor: pointer;
            font-weight: 700;
            color: var(--c-ink);
            font-size: 0.95rem;
            background: transparent;
            border: none;
            width: 100%;
            text-align: left;
        }

        .faq-item .faq-question i {
            color: var(--c-text-light);
            font-size: 0.8rem;
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }

        .faq-item .faq-question[aria-expanded="true"] i {
            transform: rotate(180deg);
            color: var(--c-orange);
        }

        .faq-item .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-med), padding var(--transition-med);
            padding: 0 20px;
            color: var(--c-text-soft);
            font-size: 0.9rem;
            line-height: 1.75;
        }

        .faq-item .faq-answer.show {
            max-height: 300px;
            padding: 0 20px 16px;
        }

        /* ===== 页脚 ===== */
        .footer-28quan {
            background: var(--c-dark);
            color: rgba(255, 255, 255, 0.75);
            padding: 56px 0 0;
            margin-top: 0;
        }

        .footer-28quan .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 900;
            font-size: 1.4rem;
            color: var(--c-white);
            margin-bottom: 16px;
        }

        .footer-brand .footer-logo .logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: var(--c-acid);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            font-weight: 900;
            color: var(--c-ink);
        }

        .footer-brand p {
            font-size: 0.85rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.55);
            max-width: 360px;
        }

        .footer-col h4 {
            font-size: 0.85rem;
            font-weight: 700;
            color: var(--c-white);
            margin-bottom: 16px;
            letter-spacing: 0.04em;
        }

        .footer-col a {
            display: block;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.55);
            padding: 4px 0;
            transition: color var(--transition-fast);
        }

        .footer-col a:hover {
            color: var(--c-acid);
        }

        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            padding: 20px 0;
            font-size: 0.75rem;
            color: rgba(255, 255, 255, 0.45);
        }

        .footer-bottom .footer-links {
            display: flex;
            gap: 16px;
        }

        .footer-bottom .footer-links a {
            color: rgba(255, 255, 255, 0.45);
            font-size: 0.75rem;
        }

        .footer-bottom .footer-links a:hover {
            color: var(--c-acid);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .container-custom {
                padding-left: 32px;
                padding-right: 32px;
            }
            .article-list-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .editor-picks-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .data-snapshot {
                grid-template-columns: repeat(2, 1fr);
            }
            .footer-28quan .footer-top {
                grid-template-columns: 1.5fr 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 768px) {
            .container-custom {
                padding-left: 20px;
                padding-right: 20px;
            }
            .navbar-menu {
                display: none;
            }
            .navbar-toggler-28 {
                display: flex;
            }
            .navbar-right .badge-activity-nav {
                display: none;
            }
            .category-hero h1 {
                font-size: 1.8rem;
            }
            .section-common {
                padding: 48px 0;
            }
            .featured-card {
                flex-direction: column;
            }
            .featured-card .featured-img {
                flex: 0 0 auto;
                min-height: 200px;
                height: 200px;
            }
            .featured-card .featured-body {
                padding: 24px;
            }
            .article-list-grid {
                grid-template-columns: 1fr;
            }
            .editor-picks-grid {
                grid-template-columns: 1fr;
            }
            .data-snapshot {
                grid-template-columns: 1fr;
            }
            .subscribe-box {
                flex-direction: column;
                align-items: stretch;
                padding: 28px 20px;
            }
            .subscribe-form {
                min-width: auto;
                width: 100%;
            }
            .footer-28quan .footer-top {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .section-title {
                font-size: 1.4rem;
            }
        }

        @media (max-width: 520px) {
            .navbar-logo {
                font-size: 1.2rem;
                gap: 8px;
            }
            .navbar-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
                border-radius: 8px;
            }
            .btn-nav-cta {
                padding: 8px 14px;
                font-size: 0.75rem;
            }
            .category-hero {
                padding: 32px 0 28px;
            }
            .category-hero h1 {
                font-size: 1.5rem;
            }
            .section-common {
                padding: 40px 0;
            }
            .timeline-item {
                padding-left: 16px;
            }
            .timeline-wrap {
                padding-left: 16px;
            }
            .timeline-item::before {
                left: -16px;
                width: 10px;
                height: 10px;
            }
        }

/* roulang page: category4 */
:root {
            --c-ink: #1A1D20;
            --c-ink-2: #262B30;
            --c-acid: #D9F24F;
            --c-acid-soft: #EDF8B8;
            --c-orange: #FF6A3D;
            --c-orange-soft: #FFE0D6;
            --c-bg: #F5F2EB;
            --c-bg-warm: #EFEAE0;
            --c-card: #FFFFFF;
            --c-dark: #121417;
            --c-dark-2: #1E2225;
            --c-border: #E9E5DE;
            --c-border-strong: #D6D0C4;
            --c-text: #23262A;
            --c-text-soft: #6B7075;
            --c-text-light: #9BA0A5;
            --c-white: #FFFFFF;
            --c-acid-ink: #1A1D20;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --radius-full: 999px;
            --shadow-sm: 0 4px 12px rgba(18, 20, 23, 0.05);
            --shadow-md: 0 8px 24px rgba(18, 20, 23, 0.06);
            --shadow-lg: 0 16px 40px rgba(18, 20, 23, 0.12);
            --shadow-glow: 0 8px 32px rgba(217, 242, 79, 0.18);
            --font-sans: "Alibaba PuHuiTi", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
            --sp-0: 0;
            --sp-1: 8px;
            --sp-2: 16px;
            --sp-3: 24px;
            --sp-4: 32px;
            --sp-5: 48px;
            --sp-6: 64px;
            --sp-7: 80px;
            --sp-8: 96px;
            --sp-9: 120px;
            --nav-height: 72px;
            --transition-fast: 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --transition-med: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--c-text);
            background-color: var(--c-bg);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            letter-spacing: 0.01em;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            object-fit: cover;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast), background var(--transition-fast), border var(--transition-fast), box-shadow var(--transition-fast), transform var(--transition-fast);
        }
        a:hover {
            color: var(--c-orange);
        }
        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        button:focus,
        a:focus,
        input:focus,
        select:focus,
        textarea:focus {
            outline: 2px solid var(--c-orange);
            outline-offset: 2px;
        }
        .container-custom {
            width: 100%;
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 20px;
            padding-right: 20px;
        }
        @media (min-width: 768px) {
            .container-custom {
                padding-left: 32px;
                padding-right: 32px;
            }
        }
        @media (min-width: 1200px) {
            .container-custom {
                padding-left: 48px;
                padding-right: 48px;
            }
        }
        /* ===== NAVBAR ===== */
        .navbar-28quan {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(26, 29, 32, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            min-height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: background var(--transition-med);
        }
        .navbar-28quan .navbar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            width: 100%;
            flex-wrap: nowrap;
        }
        .navbar-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 900;
            font-size: 1.5rem;
            color: var(--c-white);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .navbar-logo .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--c-acid);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            font-weight: 900;
            color: var(--c-ink);
            letter-spacing: -0.02em;
        }
        .navbar-logo span.logo-dot {
            color: var(--c-acid);
            font-weight: 900;
        }
        .navbar-logo:hover {
            color: var(--c-white);
        }
        .navbar-menu {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -webkit-overflow-scrolling: touch;
        }
        .navbar-menu::-webkit-scrollbar {
            display: none;
        }
        .navbar-menu a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 14px;
            color: rgba(255, 255, 255, 0.72);
            font-size: 0.9rem;
            font-weight: 500;
            border-radius: var(--radius-full);
            white-space: nowrap;
            transition: color var(--transition-fast), background var(--transition-fast);
        }
        .navbar-menu a:hover {
            color: var(--c-white);
            background: rgba(255, 255, 255, 0.08);
        }
        .navbar-menu a.active {
            color: var(--c-ink);
            background: var(--c-acid);
            font-weight: 700;
        }
        .navbar-right {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }
        .badge-activity-nav {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 14px;
            background: rgba(217, 242, 79, 0.12);
            border: 1px solid rgba(217, 242, 79, 0.3);
            border-radius: var(--radius-full);
            color: var(--c-acid);
            font-size: 0.78rem;
            font-weight: 600;
            white-space: nowrap;
        }
        .pulse-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--c-acid);
            animation: pulse-dot 1.8s infinite;
        }
        @keyframes pulse-dot {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(217, 242, 79, 0.5);
            }
            50% {
                box-shadow: 0 0 0 6px rgba(217, 242, 79, 0);
            }
        }
        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 20px;
            background: var(--c-orange);
            color: var(--c-white);
            font-weight: 700;
            font-size: 0.85rem;
            border-radius: var(--radius-full);
            border: none;
            cursor: pointer;
            white-space: nowrap;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
        }
        .btn-nav-cta:hover {
            background: #ff7a50;
            color: var(--c-white);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(255, 106, 61, 0.35);
        }
        .navbar-toggler-28 {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: transparent;
            border: none;
            cursor: pointer;
            padding: 8px;
            border-radius: 6px;
        }
        .navbar-toggler-28 span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--c-white);
            border-radius: 2px;
            transition: transform var(--transition-fast), opacity var(--transition-fast);
        }
        @media (max-width: 991px) {
            .navbar-menu {
                display: none;
                position: absolute;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(26, 29, 32, 0.98);
                flex-direction: column;
                padding: 16px 24px 24px;
                gap: 4px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.1);
                max-height: 70vh;
                overflow-y: auto;
                align-items: stretch;
            }
            .navbar-menu.open {
                display: flex;
            }
            .navbar-menu a {
                padding: 14px 16px;
                border-radius: 12px;
                font-size: 1rem;
            }
            .navbar-toggler-28 {
                display: flex;
            }
            .badge-activity-nav {
                display: none;
            }
        }
        @media (max-width: 576px) {
            .btn-nav-cta {
                padding: 8px 14px;
                font-size: 0.75rem;
            }
            .navbar-logo {
                font-size: 1.25rem;
            }
            .navbar-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.9rem;
            }
        }
        /* ===== PAGE HERO ===== */
        .page-hero {
            position: relative;
            background: var(--c-dark);
            color: var(--c-white);
            padding: var(--sp-8) 0 var(--sp-5);
            overflow: hidden;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }
        .page-hero::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url('/assets/images/022aef203097e679.webp') center/cover no-repeat;
            opacity: 0.22;
            z-index: 1;
        }
        .page-hero::after {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(18, 20, 23, 0.85) 0%, rgba(18, 20, 23, 0.7) 60%, rgba(18, 20, 23, 0.92) 100%);
            z-index: 2;
        }
        .page-hero .container-custom {
            position: relative;
            z-index: 3;
        }
        .breadcrumb-28 {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.55);
            margin-bottom: var(--sp-3);
        }
        .breadcrumb-28 a {
            color: rgba(255, 255, 255, 0.7);
            transition: color var(--transition-fast);
        }
        .breadcrumb-28 a:hover {
            color: var(--c-acid);
        }
        .breadcrumb-28 .sep {
            color: rgba(255, 255, 255, 0.35);
        }
        .breadcrumb-28 .current {
            color: var(--c-acid);
            font-weight: 600;
        }
        .page-hero h1 {
            font-size: 2.5rem;
            font-weight: 900;
            line-height: 1.25;
            margin-bottom: var(--sp-2);
            letter-spacing: -0.01em;
        }
        .page-hero .hero-sub {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.75);
            max-width: 720px;
            line-height: 1.7;
            margin-bottom: 0;
        }
        @media (max-width: 768px) {
            .page-hero {
                padding: var(--sp-6) 0 var(--sp-4);
            }
            .page-hero h1 {
                font-size: 1.8rem;
            }
            .page-hero .hero-sub {
                font-size: 1rem;
            }
        }
        /* ===== SECTION BASE ===== */
        .section-pad {
            padding: var(--sp-7) 0;
        }
        .section-pad-sm {
            padding: var(--sp-5) 0;
        }
        .section-dark {
            background: var(--c-dark);
            color: var(--c-white);
        }
        .section-warm {
            background: var(--c-bg-warm);
        }
        .section-white {
            background: var(--c-white);
        }
        .section-accent-top {
            border-top: 3px solid var(--c-acid);
        }
        .section-head {
            margin-bottom: var(--sp-5);
        }
        .section-head h2 {
            font-size: 1.9rem;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: var(--sp-2);
            letter-spacing: -0.01em;
        }
        .section-head p {
            color: var(--c-text-soft);
            font-size: 1rem;
            max-width: 680px;
            margin-bottom: 0;
        }
        .section-dark .section-head p {
            color: rgba(255, 255, 255, 0.6);
        }
        .section-head .head-tag {
            display: inline-block;
            background: var(--c-acid-soft);
            color: var(--c-ink);
            font-size: 0.75rem;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: var(--radius-full);
            margin-bottom: var(--sp-2);
        }
        .section-dark .section-head .head-tag {
            background: rgba(217, 242, 79, 0.15);
            color: var(--c-acid);
        }
        /* ===== CARDS ===== */
        .card-28 {
            background: var(--c-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            transition: box-shadow var(--transition-med), transform var(--transition-med), border-color var(--transition-med);
            height: 100%;
        }
        .card-28:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--c-border-strong);
        }
        .card-28 .card-img {
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--c-bg-warm);
        }
        .card-28 .card-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-med);
        }
        .card-28:hover .card-img img {
            transform: scale(1.04);
        }
        .card-28 .card-body {
            padding: var(--sp-3);
        }
        .card-28 .card-title {
            font-size: 1.1rem;
            font-weight: 800;
            margin-bottom: var(--sp-1);
            line-height: 1.4;
        }
        .card-28 .card-text {
            color: var(--c-text-soft);
            font-size: 0.9rem;
            margin-bottom: var(--sp-2);
            line-height: 1.65;
        }
        .card-28 .card-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            font-size: 0.8rem;
            color: var(--c-text-light);
        }
        .card-28 .card-meta .badge-28 {
            background: var(--c-bg-warm);
            color: var(--c-text-soft);
            padding: 3px 10px;
            border-radius: var(--radius-full);
            font-weight: 600;
            font-size: 0.72rem;
        }
        .badge-acid {
            background: var(--c-acid);
            color: var(--c-ink);
            font-weight: 700;
        }
        .badge-orange {
            background: var(--c-orange);
            color: var(--c-white);
            font-weight: 700;
        }
        .badge-gray {
            background: #E8E5DF;
            color: var(--c-text-soft);
            font-weight: 600;
        }
        .difficulty-easy {
            color: #3A7D44;
            background: #E0F0E3;
            padding: 3px 10px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 0.72rem;
        }
        .difficulty-medium {
            color: #B35A00;
            background: #FFF0D6;
            padding: 3px 10px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 0.72rem;
        }
        .difficulty-hard {
            color: #C0392B;
            background: #FFE0D6;
            padding: 3px 10px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 0.72rem;
        }
        .difficulty-pro {
            color: #6B4FD8;
            background: #EAE4FF;
            padding: 3px 10px;
            border-radius: var(--radius-full);
            font-weight: 700;
            font-size: 0.72rem;
        }
        /* ===== TRAINING ROADMAP ===== */
        .roadmap-steps {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: var(--sp-3);
            counter-reset: step;
        }
        .roadmap-step {
            position: relative;
            background: var(--c-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-lg);
            padding: var(--sp-3);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-med), transform var(--transition-med), border-color var(--transition-med);
        }
        .roadmap-step:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--c-acid);
        }
        .roadmap-step::before {
            counter-increment: step;
            content: counter(step, decimal-leading-zero);
            position: absolute;
            top: 16px;
            right: 20px;
            font-size: 2.5rem;
            font-weight: 900;
            color: var(--c-bg-warm);
            line-height: 1;
        }
        .roadmap-step .step-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--c-ink);
            color: var(--c-acid);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: var(--sp-2);
        }
        .roadmap-step h3 {
            font-size: 1.05rem;
            font-weight: 700;
            margin-bottom: var(--sp-1);
        }
        .roadmap-step p {
            color: var(--c-text-soft);
            font-size: 0.85rem;
            margin-bottom: 0;
            line-height: 1.6;
        }
        @media (max-width: 991px) {
            .roadmap-steps {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 576px) {
            .roadmap-steps {
                grid-template-columns: 1fr;
            }
        }
        /* ===== COACH CARDS ===== */
        .coach-card {
            display: flex;
            gap: var(--sp-2);
            background: var(--c-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-lg);
            padding: var(--sp-3);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-med), transform var(--transition-med), border-color var(--transition-med);
            height: 100%;
            align-items: flex-start;
        }
        .coach-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--c-border-strong);
        }
        .coach-avatar {
            width: 64px;
            height: 64px;
            border-radius: 50%;
            overflow: hidden;
            flex-shrink: 0;
            background: var(--c-bg-warm);
        }
        .coach-avatar img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .coach-info h4 {
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 2px;
        }
        .coach-info .coach-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: var(--sp-1);
        }
        .coach-info .coach-tags span {
            font-size: 0.72rem;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: var(--radius-full);
            background: var(--c-bg-warm);
            color: var(--c-text-soft);
        }
        .coach-info p {
            color: var(--c-text-soft);
            font-size: 0.85rem;
            margin-bottom: 0;
            line-height: 1.6;
        }
        /* ===== TRAINING TABLE ===== */
        .training-schedule {
            background: var(--c-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }
        .training-schedule .schedule-head {
            display: grid;
            grid-template-columns: 1.2fr 1fr 1fr 1fr 1fr;
            background: var(--c-ink);
            color: var(--c-white);
            font-weight: 700;
            font-size: 0.85rem;
            text-align: center;
            padding: 14px 16px;
        }
        .training-schedule .schedule-row {
            display: grid;
            grid-template-columns: 1.2fr 1fr 1fr 1fr 1fr;
            text-align: center;
            padding: 14px 16px;
            border-bottom: 1px solid var(--c-border);
            font-size: 0.85rem;
            align-items: center;
            transition: background var(--transition-fast);
        }
        .training-schedule .schedule-row:last-child {
            border-bottom: none;
        }
        .training-schedule .schedule-row:hover {
            background: var(--c-bg);
        }
        .training-schedule .schedule-row .day-label {
            font-weight: 700;
            color: var(--c-text);
            text-align: left;
        }
        .training-schedule .schedule-row .intensity-high {
            color: var(--c-orange);
            font-weight: 700;
        }
        .training-schedule .schedule-row .intensity-low {
            color: #3A7D44;
            font-weight: 600;
        }
        .training-schedule .schedule-row .intensity-rest {
            color: var(--c-text-light);
            font-weight: 600;
        }
        @media (max-width: 768px) {
            .training-schedule .schedule-head,
            .training-schedule .schedule-row {
                grid-template-columns: 1fr 1fr;
                text-align: left;
                gap: 4px;
            }
            .training-schedule .schedule-head span:nth-child(2),
            .training-schedule .schedule-head span:nth-child(3),
            .training-schedule .schedule-head span:nth-child(4),
            .training-schedule .schedule-head span:nth-child(5) {
                display: none;
            }
            .training-schedule .schedule-row span:nth-child(2),
            .training-schedule .schedule-row span:nth-child(4) {
                font-size: 0.75rem;
                color: var(--c-text-soft);
            }
        }
        /* ===== DOWNLOAD LIST ===== */
        .download-list {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: var(--sp-2);
        }
        .download-item {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            background: var(--c-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            padding: 18px 20px;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-fast), transform var(--transition-fast), border-color var(--transition-fast);
        }
        .download-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: var(--c-acid);
        }
        .download-item .dl-info {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .download-item .dl-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: var(--c-acid-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--c-ink);
            font-size: 1.1rem;
            flex-shrink: 0;
        }
        .download-item h4 {
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 2px;
        }
        .download-item p {
            color: var(--c-text-soft);
            font-size: 0.8rem;
            margin-bottom: 0;
        }
        .btn-download {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            background: transparent;
            border: 1px solid var(--c-ink);
            color: var(--c-ink);
            font-size: 0.8rem;
            font-weight: 700;
            border-radius: var(--radius-full);
            white-space: nowrap;
            transition: background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
        }
        .btn-download:hover {
            background: var(--c-ink);
            color: var(--c-acid);
            border-color: var(--c-ink);
        }
        @media (max-width: 768px) {
            .download-list {
                grid-template-columns: 1fr;
            }
        }
        /* ===== RELATED ARTICLE CARD ===== */
        .related-card {
            display: flex;
            gap: var(--sp-2);
            background: var(--c-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            padding: 14px;
            box-shadow: var(--shadow-sm);
            align-items: center;
            transition: box-shadow var(--transition-fast), transform var(--transition-fast), border-color var(--transition-fast);
        }
        .related-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-2px);
            border-color: var(--c-border-strong);
        }
        .related-card .rc-img {
            width: 80px;
            height: 80px;
            border-radius: 10px;
            overflow: hidden;
            flex-shrink: 0;
            background: var(--c-bg-warm);
        }
        .related-card .rc-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }
        .related-card .rc-body {
            flex: 1;
            min-width: 0;
        }
        .related-card .rc-body h4 {
            font-size: 0.9rem;
            font-weight: 700;
            margin-bottom: 4px;
            line-height: 1.4;
        }
        .related-card .rc-body p {
            color: var(--c-text-soft);
            font-size: 0.78rem;
            margin-bottom: 0;
        }
        /* ===== FAQ ===== */
        .faq-wrap {
            max-width: 850px;
            margin: 0 auto;
        }
        .accordion-28 .accordion-item {
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            margin-bottom: var(--sp-2);
            overflow: hidden;
            background: var(--c-card);
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-fast);
        }
        .accordion-28 .accordion-item:hover {
            box-shadow: var(--shadow-md);
        }
        .accordion-28 .accordion-button {
            background: transparent;
            border: none;
            padding: 18px 24px;
            font-weight: 700;
            font-size: 1rem;
            color: var(--c-text);
            box-shadow: none;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            width: 100%;
            text-align: left;
        }
        .accordion-28 .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid var(--c-orange);
            outline-offset: -2px;
        }
        .accordion-28 .accordion-button::after {
            content: "\f078";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            font-size: 0.8rem;
            color: var(--c-text-soft);
            transition: transform var(--transition-fast);
            flex-shrink: 0;
        }
        .accordion-28 .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
            color: var(--c-orange);
        }
        .accordion-28 .accordion-body {
            padding: 0 24px 20px;
            color: var(--c-text-soft);
            font-size: 0.9rem;
            line-height: 1.7;
        }
        /* ===== CTA BAR ===== */
        .cta-bar {
            background: var(--c-dark);
            padding: var(--sp-6) 0;
            color: var(--c-white);
            position: relative;
            overflow: hidden;
        }
        .cta-bar::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url('/assets/images/4773b6c48724d03d.webp') center/cover no-repeat;
            opacity: 0.1;
            z-index: 1;
        }
        .cta-bar .container-custom {
            position: relative;
            z-index: 2;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            flex-wrap: wrap;
        }
        .cta-bar h2 {
            font-size: 1.6rem;
            font-weight: 800;
            margin-bottom: 4px;
        }
        .cta-bar p {
            color: rgba(255, 255, 255, 0.6);
            margin-bottom: 0;
            font-size: 0.95rem;
        }
        .btn-acid-lg {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 28px;
            background: var(--c-acid);
            color: var(--c-ink);
            font-weight: 800;
            font-size: 0.95rem;
            border-radius: var(--radius-full);
            border: none;
            cursor: pointer;
            white-space: nowrap;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
        }
        .btn-acid-lg:hover {
            background: #e4f970;
            color: var(--c-ink);
            transform: translateY(-2px);
            box-shadow: var(--shadow-glow);
        }
        @media (max-width: 768px) {
            .cta-bar .container-custom {
                flex-direction: column;
                text-align: center;
            }
        }
        /* ===== FOOTER ===== */
        .footer-28quan {
            background: var(--c-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: var(--sp-7) 0 var(--sp-4);
            font-size: 0.9rem;
        }
        .footer-28quan .footer-top {
            display: grid;
            grid-template-columns: 1.8fr 1fr 1fr;
            gap: var(--sp-5);
            padding-bottom: var(--sp-5);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand .footer-logo {
            font-size: 1.4rem;
            font-weight: 900;
            color: var(--c-white);
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: var(--sp-2);
        }
        .footer-brand .footer-logo .logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 8px;
            background: var(--c-acid);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1rem;
            font-weight: 900;
            color: var(--c-ink);
        }
        .footer-brand p {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.85rem;
            line-height: 1.7;
            max-width: 360px;
        }
        .footer-col h4 {
            color: var(--c-white);
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: var(--sp-2);
        }
        .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.55);
            padding: 4px 0;
            font-size: 0.85rem;
            transition: color var(--transition-fast);
        }
        .footer-col a:hover {
            color: var(--c-acid);
        }
        .footer-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            padding-top: var(--sp-3);
            font-size: 0.78rem;
            color: rgba(255, 255, 255, 0.4);
        }
        .footer-bottom .footer-links {
            display: flex;
            gap: 16px;
        }
        .footer-bottom .footer-links a {
            color: rgba(255, 255, 255, 0.5);
            font-size: 0.78rem;
        }
        .footer-bottom .footer-links a:hover {
            color: var(--c-acid);
        }
        @media (max-width: 768px) {
            .footer-28quan .footer-top {
                grid-template-columns: 1fr;
                gap: var(--sp-3);
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .footer-bottom .footer-links {
                justify-content: center;
            }
        }
        /* ===== MISC ===== */
        .text-acid {
            color: var(--c-acid);
        }
        .text-orange {
            color: var(--c-orange);
        }
        .fw-800 {
            font-weight: 800;
        }
        .gap-2-custom {
            gap: var(--sp-2);
        }
        .mb-0-custom {
            margin-bottom: 0;
        }
        @media (max-width: 576px) {
            .section-pad {
                padding: var(--sp-6) 0;
            }
            .section-head h2 {
                font-size: 1.5rem;
            }
        }

/* roulang page: category3 */
:root {
            --c-ink: #1A1D20;
            --c-ink-2: #262B30;
            --c-acid: #D9F24F;
            --c-acid-soft: #EDF8B8;
            --c-orange: #FF6A3D;
            --c-orange-soft: #FFE0D6;
            --c-bg: #F5F2EB;
            --c-bg-warm: #EFEAE0;
            --c-card: #FFFFFF;
            --c-dark: #121417;
            --c-dark-2: #1E2225;
            --c-border: #E9E5DE;
            --c-border-strong: #D6D0C4;
            --c-text: #23262A;
            --c-text-soft: #6B7075;
            --c-text-light: #9BA0A5;
            --c-white: #FFFFFF;
            --c-acid-ink: #1A1D20;
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 16px;
            --radius-xl: 24px;
            --radius-full: 999px;
            --shadow-sm: 0 4px 12px rgba(18, 20, 23, 0.05);
            --shadow-md: 0 8px 24px rgba(18, 20, 23, 0.06);
            --shadow-lg: 0 16px 40px rgba(18, 20, 23, 0.12);
            --shadow-glow: 0 8px 32px rgba(217, 242, 79, 0.18);
            --font-sans: "Alibaba PuHuiTi", "Source Han Sans SC", "PingFang SC", "Microsoft YaHei", -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, sans-serif;
            --sp-0: 0;
            --sp-1: 8px;
            --sp-2: 16px;
            --sp-3: 24px;
            --sp-4: 32px;
            --sp-5: 48px;
            --sp-6: 64px;
            --sp-7: 80px;
            --sp-8: 96px;
            --sp-9: 120px;
            --nav-height: 72px;
            --transition-fast: 0.2s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --transition-med: 0.35s cubic-bezier(0.25, 0.46, 0.45, 0.94);
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: var(--font-sans);
            font-size: 16px;
            line-height: 1.7;
            color: var(--c-text);
            background-color: var(--c-bg);
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            letter-spacing: 0.01em;
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
            object-fit: cover;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color var(--transition-fast), background var(--transition-fast), border var(--transition-fast);
        }
        a:hover {
            color: var(--c-orange);
        }
        button, input, select, textarea {
            font-family: inherit;
            font-size: inherit;
        }
        button:focus, a:focus, input:focus, select:focus, textarea:focus {
            outline: 2px solid var(--c-orange);
            outline-offset: 2px;
        }
        .container-custom {
            width: 100%;
            max-width: 1280px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 32px;
            padding-right: 32px;
        }
        @media (min-width: 1200px) {
            .container-custom {
                padding-left: 48px;
                padding-right: 48px;
            }
        }
        @media (max-width: 576px) {
            .container-custom {
                padding-left: 20px;
                padding-right: 20px;
            }
        }

        /* ===== NAVBAR ===== */
        .navbar-28quan {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(26, 29, 32, 0.95);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            min-height: var(--nav-height);
            display: flex;
            align-items: center;
            transition: background var(--transition-med);
        }
        .navbar-28quan .navbar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            width: 100%;
            flex-wrap: nowrap;
        }
        .navbar-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 900;
            font-size: 1.5rem;
            color: var(--c-white);
            white-space: nowrap;
            flex-shrink: 0;
        }
        .navbar-logo .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--c-acid);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.1rem;
            font-weight: 900;
            color: var(--c-ink);
            letter-spacing: -0.02em;
        }
        .navbar-logo span.logo-dot {
            color: var(--c-acid);
            font-weight: 900;
        }
        .navbar-logo:hover {
            color: var(--c-white);
        }
        .navbar-menu {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: nowrap;
            overflow-x: auto;
            scrollbar-width: none;
            -webkit-overflow-scrolling: touch;
        }
        .navbar-menu::-webkit-scrollbar {
            display: none;
        }
        .navbar-menu a {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 14px;
            color: rgba(255, 255, 255, 0.72);
            font-size: 0.9rem;
            font-weight: 500;
            border-radius: var(--radius-full);
            white-space: nowrap;
            flex-shrink: 0;
            transition: color var(--transition-fast), background var(--transition-fast);
        }
        .navbar-menu a:hover {
            color: var(--c-white);
            background: rgba(255, 255, 255, 0.08);
        }
        .navbar-menu a.active {
            color: var(--c-ink);
            background: var(--c-acid);
            font-weight: 700;
        }
        .navbar-right {
            display: flex;
            align-items: center;
            gap: 16px;
            flex-shrink: 0;
        }
        .badge-activity-nav {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 14px;
            background: rgba(217, 242, 79, 0.12);
            border: 1px solid rgba(217, 242, 79, 0.28);
            border-radius: var(--radius-full);
            color: var(--c-acid);
            font-size: 0.8rem;
            font-weight: 600;
            white-space: nowrap;
        }
        .pulse-dot {
            width: 8px;
            height: 8px;
            border-radius: 50%;
            background: var(--c-acid);
            animation: pulseDot 1.6s ease-in-out infinite;
        }
        @keyframes pulseDot {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.4; transform: scale(1.4); }
        }
        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 20px;
            background: var(--c-acid);
            color: var(--c-ink) !important;
            font-weight: 700;
            font-size: 0.85rem;
            border-radius: var(--radius-full);
            border: none;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            white-space: nowrap;
        }
        .btn-nav-cta:hover {
            background: #E5FF5A;
            transform: translateY(-2px);
            box-shadow: var(--shadow-glow);
            color: var(--c-ink) !important;
        }
        .navbar-toggler-28 {
            display: none;
            flex-direction: column;
            gap: 5px;
            background: none;
            border: none;
            padding: 8px;
            cursor: pointer;
            flex-shrink: 0;
        }
        .navbar-toggler-28 span {
            display: block;
            width: 24px;
            height: 2px;
            background: var(--c-white);
            border-radius: 2px;
            transition: transform var(--transition-fast), opacity var(--transition-fast);
        }
        .navbar-toggler-28[aria-expanded="true"] span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .navbar-toggler-28[aria-expanded="true"] span:nth-child(2) {
            opacity: 0;
        }
        .navbar-toggler-28[aria-expanded="true"] span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }
        @media (max-width: 992px) {
            .navbar-menu {
                position: fixed;
                top: var(--nav-height);
                left: 0;
                right: 0;
                background: rgba(26, 29, 32, 0.98);
                backdrop-filter: blur(12px);
                -webkit-backdrop-filter: blur(12px);
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                padding: 16px 20px 24px;
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                max-height: 0;
                overflow: hidden;
                transition: max-height var(--transition-med), padding var(--transition-med);
                pointer-events: none;
            }
            .navbar-menu.open {
                max-height: 480px;
                pointer-events: auto;
                padding: 16px 20px 24px;
            }
            .navbar-menu a {
                padding: 14px 18px;
                font-size: 1rem;
                border-radius: var(--radius-md);
            }
            .navbar-right .badge-activity-nav {
                display: none;
            }
            .navbar-toggler-28 {
                display: flex;
            }
        }
        @media (max-width: 576px) {
            .btn-nav-cta {
                padding: 8px 14px;
                font-size: 0.78rem;
            }
            .navbar-logo {
                font-size: 1.3rem;
            }
            .navbar-logo .logo-icon {
                width: 30px;
                height: 30px;
                font-size: 0.95rem;
            }
        }

        /* ===== BREADCRUMB ===== */
        .breadcrumb-28quan {
            background: transparent;
            padding: 16px 0 0;
            margin: 0;
            font-size: 0.88rem;
            color: var(--c-text-soft);
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .breadcrumb-28quan a {
            color: var(--c-text-soft);
            transition: color var(--transition-fast);
        }
        .breadcrumb-28quan a:hover {
            color: var(--c-orange);
        }
        .breadcrumb-28quan .separator {
            color: var(--c-border-strong);
            font-size: 0.75rem;
        }
        .breadcrumb-28quan .current {
            color: var(--c-text);
            font-weight: 600;
        }

        /* ===== PAGE HERO ===== */
        .page-hero-gear {
            padding: 48px 0 32px;
            position: relative;
            overflow: hidden;
        }
        .page-hero-gear .hero-badge-row {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-wrap: wrap;
            margin-bottom: 16px;
        }
        .badge-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            background: var(--c-acid-soft);
            color: var(--c-ink);
            font-size: 0.78rem;
            font-weight: 700;
            border-radius: var(--radius-full);
            border: 1px solid rgba(217, 242, 79, 0.5);
        }
        .badge-tag-outline {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            background: transparent;
            color: var(--c-text-soft);
            font-size: 0.78rem;
            font-weight: 600;
            border-radius: var(--radius-full);
            border: 1px solid var(--c-border-strong);
        }
        .page-hero-gear h1 {
            font-size: 2.8rem;
            font-weight: 900;
            line-height: 1.25;
            color: var(--c-ink);
            margin: 0 0 16px;
            letter-spacing: -0.02em;
        }
        .page-hero-gear h1 .highlight {
            color: var(--c-orange);
        }
        .page-hero-gear .hero-sub {
            font-size: 1.15rem;
            line-height: 1.8;
            color: var(--c-text-soft);
            max-width: 720px;
            margin: 0;
        }
        .page-hero-gear .hero-meta {
            display: flex;
            align-items: center;
            gap: 20px;
            flex-wrap: wrap;
            margin-top: 20px;
            font-size: 0.88rem;
            color: var(--c-text-soft);
        }
        .page-hero-gear .hero-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .page-hero-gear .hero-meta i {
            color: var(--c-orange);
        }
        @media (max-width: 768px) {
            .page-hero-gear h1 {
                font-size: 2rem;
            }
            .page-hero-gear .hero-sub {
                font-size: 1rem;
            }
        }
        @media (max-width: 576px) {
            .page-hero-gear {
                padding: 32px 0 24px;
            }
            .page-hero-gear h1 {
                font-size: 1.7rem;
            }
        }

        /* ===== SECTION COMMON ===== */
        .section-gear {
            padding: 56px 0;
        }
        .section-gear-alt {
            background: var(--c-bg-warm);
        }
        .section-gear-dark {
            background: var(--c-dark);
            color: var(--c-white);
        }
        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 32px;
        }
        .section-head h2 {
            font-size: 1.9rem;
            font-weight: 800;
            line-height: 1.3;
            letter-spacing: -0.01em;
            color: inherit;
            margin: 0;
        }
        .section-head .lead {
            font-size: 1rem;
            color: var(--c-text-soft);
            max-width: 520px;
            line-height: 1.7;
        }
        .section-gear-dark .section-head .lead {
            color: var(--c-text-light);
        }
        .section-head .link-more {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 0.9rem;
            font-weight: 600;
            color: var(--c-orange);
            white-space: nowrap;
        }
        .section-head .link-more:hover {
            gap: 12px;
        }

        /* ===== REVIEW CARDS ===== */
        .review-card-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .review-card {
            background: var(--c-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: box-shadow var(--transition-med), transform var(--transition-med), border-color var(--transition-med);
            display: flex;
            flex-direction: column;
        }
        .review-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-4px);
            border-color: var(--c-acid);
        }
        .review-card .review-img {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
            background: var(--c-bg-warm);
        }
        .review-card .review-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-med);
        }
        .review-card:hover .review-img img {
            transform: scale(1.04);
        }
        .review-card .review-img .tag-corner {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 5px 12px;
            background: var(--c-acid);
            color: var(--c-ink);
            font-size: 0.72rem;
            font-weight: 800;
            border-radius: var(--radius-sm);
            z-index: 2;
        }
        .review-card .review-img .score-badge {
            position: absolute;
            top: 12px;
            right: 12px;
            padding: 6px 14px;
            background: rgba(26, 29, 32, 0.82);
            color: var(--c-acid);
            font-size: 0.85rem;
            font-weight: 800;
            border-radius: var(--radius-full);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            z-index: 2;
        }
        .review-card .review-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .review-card .review-body .review-title {
            font-size: 1.15rem;
            font-weight: 700;
            color: var(--c-ink);
            line-height: 1.4;
            margin: 0;
        }
        .review-card .review-body .review-desc {
            font-size: 0.9rem;
            color: var(--c-text-soft);
            line-height: 1.7;
            margin: 0;
            flex: 1;
        }
        .review-card .review-body .review-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            font-size: 0.8rem;
            color: var(--c-text-light);
            padding-top: 12px;
            border-top: 1px solid var(--c-border);
        }
        .review-card .review-body .review-meta i {
            color: var(--c-orange);
        }
        @media (max-width: 992px) {
            .review-card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 576px) {
            .review-card-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== SCORE SYSTEM ===== */
        .score-system-panel {
            background: var(--c-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-xl);
            padding: 40px;
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
        }
        .score-system-panel .score-dim-list {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }
        .score-dim-item {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .score-dim-item .dim-label {
            flex-shrink: 0;
            font-weight: 600;
            font-size: 0.9rem;
            min-width: 80px;
            color: var(--c-ink);
        }
        .score-dim-item .dim-bar-track {
            flex: 1;
            height: 10px;
            background: var(--c-bg-warm);
            border-radius: var(--radius-full);
            overflow: hidden;
        }
        .score-dim-item .dim-bar-fill {
            height: 100%;
            background: var(--c-acid);
            border-radius: var(--radius-full);
            transition: width 0.6s ease;
        }
        .score-dim-item .dim-bar-fill.orange {
            background: var(--c-orange);
        }
        .score-dim-item .dim-score {
            flex-shrink: 0;
            font-weight: 800;
            font-size: 0.9rem;
            color: var(--c-ink);
            min-width: 42px;
            text-align: right;
        }
        .score-system-panel .score-note {
            display: flex;
            flex-direction: column;
            gap: 16px;
            justify-content: center;
        }
        .score-system-panel .score-note h3 {
            font-size: 1.4rem;
            font-weight: 800;
            color: var(--c-ink);
            margin: 0;
        }
        .score-system-panel .score-note p {
            font-size: 0.95rem;
            color: var(--c-text-soft);
            line-height: 1.8;
            margin: 0;
        }
        .score-system-panel .score-note .note-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 8px 16px;
            background: var(--c-acid-soft);
            color: var(--c-ink);
            font-size: 0.82rem;
            font-weight: 700;
            border-radius: var(--radius-full);
            width: fit-content;
        }
        @media (max-width: 768px) {
            .score-system-panel {
                grid-template-columns: 1fr;
                padding: 28px;
                gap: 28px;
            }
        }

        /* ===== EDITOR PICK ===== */
        .editor-pick-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }
        .editor-pick-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            aspect-ratio: 4 / 3;
            background: var(--c-dark);
            transition: transform var(--transition-med), box-shadow var(--transition-med);
        }
        .editor-pick-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-lg);
        }
        .editor-pick-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            opacity: 0.75;
            transition: opacity var(--transition-med);
        }
        .editor-pick-card:hover img {
            opacity: 0.55;
        }
        .editor-pick-card .pick-overlay {
            position: absolute;
            inset: 0;
            padding: 24px;
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            background: linear-gradient(180deg, transparent 0%, rgba(18, 20, 23, 0.65) 45%, rgba(18, 20, 23, 0.9) 100%);
        }
        .editor-pick-card .pick-overlay .pick-label {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--c-acid);
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.08em;
            margin-bottom: 8px;
        }
        .editor-pick-card .pick-overlay h3 {
            color: var(--c-white);
            font-size: 1.25rem;
            font-weight: 800;
            line-height: 1.4;
            margin: 0 0 8px;
        }
        .editor-pick-card .pick-overlay p {
            color: rgba(255, 255, 255, 0.78);
            font-size: 0.85rem;
            line-height: 1.6;
            margin: 0;
        }
        @media (max-width: 768px) {
            .editor-pick-row {
                grid-template-columns: 1fr;
            }
            .editor-pick-card {
                aspect-ratio: 16 / 9;
            }
        }

        /* ===== COMPARE TOOL ===== */
        .compare-tool-banner {
            background: var(--c-dark);
            border-radius: var(--radius-xl);
            padding: 48px;
            display: grid;
            grid-template-columns: 1fr auto;
            gap: 32px;
            align-items: center;
            position: relative;
            overflow: hidden;
        }
        .compare-tool-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 80% 20%, rgba(217, 242, 79, 0.1) 0%, transparent 60%);
            pointer-events: none;
        }
        .compare-tool-banner .compare-text {
            position: relative;
            z-index: 1;
        }
        .compare-tool-banner .compare-text h3 {
            color: var(--c-white);
            font-size: 1.6rem;
            font-weight: 800;
            margin: 0 0 12px;
            letter-spacing: -0.01em;
        }
        .compare-tool-banner .compare-text p {
            color: rgba(255, 255, 255, 0.7);
            font-size: 0.95rem;
            line-height: 1.8;
            margin: 0;
            max-width: 520px;
        }
        .compare-tool-banner .compare-actions {
            position: relative;
            z-index: 1;
            display: flex;
            flex-direction: column;
            gap: 12px;
            align-items: stretch;
        }
        .btn-compare-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 14px 28px;
            background: var(--c-acid);
            color: var(--c-ink) !important;
            font-weight: 700;
            font-size: 0.95rem;
            border-radius: var(--radius-full);
            border: none;
            transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
            white-space: nowrap;
        }
        .btn-compare-primary:hover {
            background: #E5FF5A;
            transform: translateY(-2px);
            box-shadow: var(--shadow-glow);
            color: var(--c-ink) !important;
        }
        .btn-compare-secondary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 10px;
            padding: 14px 28px;
            background: transparent;
            color: var(--c-white) !important;
            font-weight: 600;
            font-size: 0.9rem;
            border-radius: var(--radius-full);
            border: 1px solid rgba(255, 255, 255, 0.3);
            transition: background var(--transition-fast), border-color var(--transition-fast);
            white-space: nowrap;
        }
        .btn-compare-secondary:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.5);
            color: var(--c-white) !important;
        }
        @media (max-width: 768px) {
            .compare-tool-banner {
                grid-template-columns: 1fr;
                padding: 32px;
            }
        }

        /* ===== BUYING TIPS ===== */
        .tip-card-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }
        .tip-card {
            background: var(--c-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-lg);
            padding: 28px;
            transition: box-shadow var(--transition-med), transform var(--transition-med), border-color var(--transition-med);
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .tip-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: var(--c-acid);
        }
        .tip-card .tip-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--c-acid-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--c-ink);
            font-size: 1.2rem;
        }
        .tip-card h4 {
            font-size: 1.05rem;
            font-weight: 700;
            color: var(--c-ink);
            margin: 0;
        }
        .tip-card p {
            font-size: 0.88rem;
            color: var(--c-text-soft);
            line-height: 1.7;
            margin: 0;
        }
        @media (max-width: 992px) {
            .tip-card-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (max-width: 576px) {
            .tip-card-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== RELATED TRAINING ===== */
        .related-train-card {
            background: var(--c-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-lg);
            padding: 20px;
            display: flex;
            align-items: center;
            gap: 16px;
            transition: box-shadow var(--transition-med), border-color var(--transition-med);
        }
        .related-train-card:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--c-acid);
        }
        .related-train-card .rt-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            background: var(--c-dark);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--c-acid);
            font-size: 1.2rem;
            flex-shrink: 0;
        }
        .related-train-card .rt-text h4 {
            font-size: 0.98rem;
            font-weight: 700;
            color: var(--c-ink);
            margin: 0 0 4px;
        }
        .related-train-card .rt-text p {
            font-size: 0.82rem;
            color: var(--c-text-soft);
            margin: 0;
            line-height: 1.5;
        }
        .related-train-row {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
        }
        @media (max-width: 768px) {
            .related-train-row {
                grid-template-columns: 1fr;
            }
        }

        /* ===== FAQ ===== */
        .faq-accordion-28 .accordion-item {
            background: var(--c-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-lg) !important;
            margin-bottom: 12px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: box-shadow var(--transition-med), border-color var(--transition-med);
        }
        .faq-accordion-28 .accordion-item:hover {
            box-shadow: var(--shadow-md);
            border-color: var(--c-border-strong);
        }
        .faq-accordion-28 .accordion-button {
            background: var(--c-card);
            color: var(--c-ink);
            font-weight: 700;
            font-size: 0.95rem;
            padding: 20px 24px;
            border-radius: var(--radius-lg) !important;
            box-shadow: none !important;
            gap: 12px;
        }
        .faq-accordion-28 .accordion-button:not(.collapsed) {
            background: var(--c-card);
            color: var(--c-ink);
        }
        .faq-accordion-28 .accordion-button:focus {
            outline: 2px solid var(--c-orange);
            outline-offset: -2px;
        }
        .faq-accordion-28 .accordion-button::after {
            color: var(--c-text-soft);
            font-size: 0.85rem;
        }
        .faq-accordion-28 .accordion-body {
            color: var(--c-text-soft);
            font-size: 0.9rem;
            line-height: 1.8;
            padding: 8px 24px 20px;
        }

        /* ===== FOOTER ===== */
        .footer-28quan {
            background: var(--c-dark);
            color: rgba(255, 255, 255, 0.7);
            padding: 56px 0 28px;
            margin-top: 0;
        }
        .footer-28quan .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-28quan .footer-brand .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-weight: 900;
            font-size: 1.4rem;
            color: var(--c-white);
            margin-bottom: 16px;
        }
        .footer-28quan .footer-brand .footer-logo .logo-icon {
            width: 32px;
            height: 32px;
            border-radius: 9px;
            background: var(--c-acid);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.95rem;
            font-weight: 900;
            color: var(--c-ink);
        }
        .footer-28quan .footer-brand p {
            font-size: 0.88rem;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.55);
            max-width: 380px;
            margin: 0;
        }
        .footer-28quan .footer-col h4 {
            color: var(--c-white);
            font-size: 0.95rem;
            font-weight: 700;
            margin-bottom: 16px;
        }
        .footer-28quan .footer-col a {
            display: block;
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.88rem;
            padding: 4px 0;
            transition: color var(--transition-fast);
        }
        .footer-28quan .footer-col a:hover {
            color: var(--c-acid);
        }
        .footer-28quan .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 20px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            flex-wrap: wrap;
            font-size: 0.8rem;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-28quan .footer-bottom .footer-links {
            display: flex;
            gap: 20px;
            flex-wrap: wrap;
        }
        .footer-28quan .footer-bottom .footer-links a {
            color: rgba(255, 255, 255, 0.5);
            transition: color var(--transition-fast);
        }
        .footer-28quan .footer-bottom .footer-links a:hover {
            color: var(--c-acid);
        }
        @media (max-width: 768px) {
            .footer-28quan .footer-top {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .footer-28quan .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
            }
        }

        /* ===== RESPONSIVE FINE-TUNE ===== */
        @media (max-width: 768px) {
            .section-gear {
                padding: 40px 0;
            }
            .section-head h2 {
                font-size: 1.5rem;
            }
        }
        @media (max-width: 576px) {
            .section-gear {
                padding: 32px 0;
            }
            .section-head {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }
            .section-head h2 {
                font-size: 1.35rem;
            }
        }

/* roulang page: category5 */
:root {
        --c-ink: #1A1D20;
        --c-ink-2: #262B30;
        --c-acid: #D9F24F;
        --c-acid-soft: #EDF8B8;
        --c-orange: #FF6A3D;
        --c-orange-soft: #FFE0D6;
        --c-bg: #F5F2EB;
        --c-bg-warm: #EFEAE0;
        --c-card: #FFFFFF;
        --c-dark: #121417;
        --c-dark-2: #1E2225;
        --c-border: #E9E5DE;
        --c-border-strong: #D6D0C4;
        --c-text: #23262A;
        --c-text-soft: #6B7075;
        --c-text-light: #9BA0A5;
        --c-white: #FFFFFF;
        --c-acid-ink: #1A1D20;
        --radius-sm: 8px;
        --radius-md: 14px;
        --radius-lg: 16px;
        --radius-xl: 24px;
        --radius-full: 999px;
        --shadow-sm: 0 4px 12px rgba(18,20,23,0.05);
        --shadow-md: 0 8px 24px rgba(18,20,23,0.06);
        --shadow-lg: 0 16px 40px rgba(18,20,23,0.12);
        --shadow-glow: 0 8px 32px rgba(217,242,79,0.18);
        --font-sans: "Alibaba PuHuiTi","Source Han Sans SC","PingFang SC","Microsoft YaHei",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,sans-serif;
        --sp-0: 0;
        --sp-1: 8px;
        --sp-2: 16px;
        --sp-3: 24px;
        --sp-4: 32px;
        --sp-5: 48px;
        --sp-6: 64px;
        --sp-7: 80px;
        --sp-8: 96px;
        --sp-9: 120px;
        --nav-height: 72px;
        --transition-fast: 0.2s cubic-bezier(0.25,0.46,0.45,0.94);
        --transition-med: 0.35s cubic-bezier(0.25,0.46,0.45,0.94);
    }

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

    html {
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
    }

    body {
        font-family: var(--font-sans);
        font-size: 16px;
        line-height: 1.7;
        color: var(--c-text);
        background-color: var(--c-bg);
        overflow-x: hidden;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        letter-spacing: 0.01em;
    }

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

    a {
        text-decoration: none;
        color: inherit;
        transition: color var(--transition-fast), background var(--transition-fast), border var(--transition-fast);
    }

    a:hover {
        color: var(--c-orange);
    }

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

    button:focus,
    a:focus,
    input:focus,
    select:focus,
    textarea:focus {
        outline: 2px solid var(--c-orange);
        outline-offset: 2px;
    }

    .container-custom {
        width: 100%;
        max-width: 1280px;
        margin-left: auto;
        margin-right: auto;
        padding-left: 48px;
        padding-right: 48px;
    }

    @media (max-width: 768px) {
        .container-custom {
            padding-left: 20px;
            padding-right: 20px;
        }
    }

    @media (max-width: 576px) {
        .container-custom {
            padding-left: 16px;
            padding-right: 16px;
        }
    }

    /* ===== NAVBAR ===== */
    .navbar-28quan {
        position: sticky;
        top: 0;
        z-index: 1000;
        background: rgba(26,29,32,0.95);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-bottom: 1px solid rgba(255,255,255,0.08);
        min-height: var(--nav-height);
        display: flex;
        align-items: center;
        transition: background var(--transition-med);
    }

    .navbar-28quan .navbar-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 24px;
        width: 100%;
        flex-wrap: nowrap;
    }

    .navbar-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-weight: 900;
        font-size: 1.5rem;
        color: var(--c-white);
        white-space: nowrap;
        flex-shrink: 0;
    }

    .navbar-logo .logo-icon {
        width: 36px;
        height: 36px;
        border-radius: 10px;
        background: var(--c-acid);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.1rem;
        font-weight: 900;
        color: var(--c-ink);
        letter-spacing: -0.02em;
    }

    .navbar-logo span.logo-dot {
        color: var(--c-acid);
        font-weight: 900;
    }

    .navbar-logo:hover {
        color: var(--c-white);
    }

    .navbar-menu {
        display: flex;
        align-items: center;
        gap: 8px;
        flex-wrap: nowrap;
        overflow-x: auto;
        scrollbar-width: none;
        -webkit-overflow-scrolling: touch;
    }

    .navbar-menu::-webkit-scrollbar {
        display: none;
    }

    .navbar-menu a {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 10px 14px;
        color: rgba(255,255,255,0.72);
        font-size: 0.9rem;
        font-weight: 500;
        border-radius: var(--radius-full);
        white-space: nowrap;
        transition: color var(--transition-fast), background var(--transition-fast);
    }

    .navbar-menu a:hover {
        color: var(--c-white);
        background: rgba(255,255,255,0.08);
    }

    .navbar-menu a.active {
        color: var(--c-ink);
        background: var(--c-acid);
        font-weight: 700;
    }

    .navbar-right {
        display: flex;
        align-items: center;
        gap: 12px;
        flex-shrink: 0;
    }

    .badge-activity-nav {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 6px 14px;
        background: rgba(217,242,79,0.12);
        color: var(--c-acid);
        font-size: 0.75rem;
        font-weight: 600;
        border-radius: var(--radius-full);
        border: 1px solid rgba(217,242,79,0.25);
        white-space: nowrap;
    }

    .pulse-dot {
        width: 8px;
        height: 8px;
        border-radius: 50%;
        background: var(--c-acid);
        display: inline-block;
        animation: pulseDot 1.5s ease-in-out infinite;
        flex-shrink: 0;
    }

    @keyframes pulseDot {
        0%, 100% {
            opacity: 1;
            transform: scale(1);
        }
        50% {
            opacity: 0.45;
            transform: scale(1.5);
        }
    }

    .btn-nav-cta {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 10px 20px;
        background: var(--c-acid);
        color: var(--c-ink);
        font-size: 0.85rem;
        font-weight: 700;
        border-radius: var(--radius-full);
        border: none;
        cursor: pointer;
        transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
        white-space: nowrap;
    }

    .btn-nav-cta:hover {
        background: #c4e630;
        color: var(--c-ink);
        transform: translateY(-2px);
        box-shadow: var(--shadow-glow);
    }

    .navbar-toggler-28 {
        display: none;
        flex-direction: column;
        gap: 5px;
        background: transparent;
        border: none;
        padding: 8px;
        cursor: pointer;
    }

    .navbar-toggler-28 span {
        display: block;
        width: 24px;
        height: 2px;
        background: var(--c-white);
        border-radius: 2px;
        transition: all var(--transition-fast);
    }

    @media (max-width: 992px) {
        .navbar-menu {
            position: fixed;
            top: var(--nav-height);
            left: 0;
            right: 0;
            background: rgba(26,29,32,0.98);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            flex-direction: column;
            gap: 4px;
            padding: 16px 24px 24px;
            border-bottom: 1px solid rgba(255,255,255,0.08);
            transform: translateY(-105%);
            visibility: hidden;
            transition: transform var(--transition-med), visibility var(--transition-med);
            align-items: stretch;
        }
        .navbar-menu.show {
            transform: translateY(0);
            visibility: visible;
        }
        .navbar-menu a {
            padding: 14px 16px;
            font-size: 1rem;
            border-radius: var(--radius-md);
        }
        .navbar-right .badge-activity-nav {
            display: none;
        }
        .navbar-toggler-28 {
            display: flex;
        }
    }

    @media (max-width: 576px) {
        .btn-nav-cta {
            padding: 8px 14px;
            font-size: 0.78rem;
        }
        .navbar-logo {
            font-size: 1.25rem;
        }
        .navbar-logo .logo-icon {
            width: 32px;
            height: 32px;
            font-size: 0.95rem;
        }
    }

    /* ===== Breadcrumb ===== */
    .breadcrumb-wrap {
        padding: 16px 0 0;
        background: transparent;
    }

    .breadcrumb-28 {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 0.85rem;
        color: var(--c-text-soft);
        list-style: none;
        padding: 0;
        margin: 0;
        flex-wrap: wrap;
    }

    .breadcrumb-28 a {
        color: var(--c-text-soft);
    }

    .breadcrumb-28 a:hover {
        color: var(--c-orange);
    }

    .breadcrumb-28 .divider {
        color: var(--c-border-strong);
        font-size: 0.7rem;
    }

    .breadcrumb-28 .current {
        color: var(--c-text);
        font-weight: 600;
    }

    /* ===== Category Page Header ===== */
    .cat-header {
        position: relative;
        padding: 56px 0 64px;
        background: var(--c-dark);
        overflow: hidden;
        border-radius: 0 0 var(--radius-xl) var(--radius-xl);
    }

    .cat-header::before {
        content: '';
        position: absolute;
        inset: 0;
        background-image: url('/assets/images/44459c8323fb0610.webp');
        background-size: cover;
        background-position: center 30%;
        opacity: 0.22;
        pointer-events: none;
    }

    .cat-header::after {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(135deg, rgba(26,29,32,0.88) 0%, rgba(26,29,32,0.5) 60%, rgba(26,29,32,0.7) 100%);
        pointer-events: none;
    }

    .cat-header .container-custom {
        position: relative;
        z-index: 2;
    }

    .cat-header h1 {
        font-size: 2.8rem;
        font-weight: 900;
        color: var(--c-white);
        line-height: 1.25;
        margin: 0 0 16px;
        letter-spacing: -0.01em;
    }

    .cat-header h1 .highlight {
        color: var(--c-acid);
    }

    .cat-header .cat-subtitle {
        font-size: 1.1rem;
        color: rgba(255,255,255,0.75);
        max-width: 640px;
        line-height: 1.8;
        margin: 0;
    }

    .cat-header .header-meta {
        display: flex;
        gap: 20px;
        margin-top: 24px;
        flex-wrap: wrap;
    }

    .cat-header .header-meta span {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        color: rgba(255,255,255,0.6);
        font-size: 0.85rem;
    }

    .cat-header .header-meta i {
        color: var(--c-acid);
    }

    @media (max-width: 768px) {
        .cat-header {
            padding: 40px 0 48px;
            border-radius: 0 0 var(--radius-lg) var(--radius-lg);
        }
        .cat-header h1 {
            font-size: 2rem;
        }
        .cat-header .cat-subtitle {
            font-size: 1rem;
        }
    }

    /* ===== Section Base ===== */
    .section-28 {
        padding: 72px 0;
    }

    .section-28.section-alt {
        background: var(--c-bg-warm);
    }

    .section-28.section-dark {
        background: var(--c-dark);
        color: rgba(255,255,255,0.85);
    }

    .section-28.section-dark h2 {
        color: var(--c-white);
    }

    .section-28.section-dark .section-subtitle {
        color: rgba(255,255,255,0.6);
    }

    .section-title {
        font-size: 2rem;
        font-weight: 800;
        color: var(--c-ink);
        line-height: 1.3;
        margin: 0 0 10px;
        letter-spacing: -0.01em;
    }

    .section-title .highlight {
        color: var(--c-orange);
    }

    .section-subtitle {
        font-size: 1.05rem;
        color: var(--c-text-soft);
        max-width: 680px;
        line-height: 1.8;
        margin: 0 0 40px;
    }

    @media (max-width: 768px) {
        .section-28 {
            padding: 48px 0;
        }
        .section-title {
            font-size: 1.5rem;
        }
        .section-subtitle {
            font-size: 0.95rem;
            margin-bottom: 28px;
        }
    }

    /* ===== Story Cards ===== */
    .story-card {
        background: var(--c-card);
        border: 1px solid var(--c-border);
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: var(--shadow-sm);
        transition: transform var(--transition-med), box-shadow var(--transition-med), border var(--transition-fast);
        height: 100%;
        display: flex;
        flex-direction: column;
    }

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

    .story-card .story-cover {
        position: relative;
        height: 190px;
        overflow: hidden;
        flex-shrink: 0;
    }

    .story-card .story-cover img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform var(--transition-med);
    }

    .story-card:hover .story-cover img {
        transform: scale(1.04);
    }

    .story-card .story-category {
        position: absolute;
        top: 14px;
        left: 14px;
        padding: 5px 12px;
        background: rgba(26,29,32,0.8);
        color: var(--c-acid);
        font-size: 0.72rem;
        font-weight: 600;
        border-radius: var(--radius-full);
        backdrop-filter: blur(4px);
        -webkit-backdrop-filter: blur(4px);
    }

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

    .story-card .story-title {
        font-size: 1.05rem;
        font-weight: 700;
        color: var(--c-ink);
        line-height: 1.4;
        margin: 0 0 8px;
    }

    .story-card .story-excerpt {
        font-size: 0.88rem;
        color: var(--c-text-soft);
        line-height: 1.7;
        margin: 0 0 16px;
        flex: 1;
    }

    .story-card .story-footer {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding-top: 14px;
        border-top: 1px solid var(--c-border);
    }

    .story-card .story-author {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 0.82rem;
        color: var(--c-text-soft);
        font-weight: 500;
    }

    .story-card .story-author .author-avatar {
        width: 28px;
        height: 28px;
        border-radius: 50%;
        background: var(--c-bg-warm);
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: 0.72rem;
        font-weight: 700;
        color: var(--c-ink);
        flex-shrink: 0;
        overflow: hidden;
    }

    .story-card .story-stats {
        display: flex;
        gap: 12px;
        font-size: 0.78rem;
        color: var(--c-text-light);
    }

    .story-card .story-stats span {
        display: inline-flex;
        align-items: center;
        gap: 4px;
    }

    .story-card .story-stats i {
        font-size: 0.72rem;
    }

    /* ===== Featured Stories ===== */
    .featured-story-card {
        background: var(--c-card);
        border: 1px solid var(--c-border);
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: var(--shadow-md);
        transition: transform var(--transition-med), box-shadow var(--transition-med);
        height: 100%;
        display: flex;
        flex-direction: column;
    }

    .featured-story-card:hover {
        transform: translateY(-3px);
        box-shadow: var(--shadow-lg);
    }

    .featured-story-card .featured-cover {
        position: relative;
        height: 220px;
        overflow: hidden;
        flex-shrink: 0;
    }

    .featured-story-card .featured-cover img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform var(--transition-med);
    }

    .featured-story-card:hover .featured-cover img {
        transform: scale(1.03);
    }

    .featured-story-card .featured-tag {
        position: absolute;
        top: 14px;
        left: 14px;
        padding: 5px 14px;
        background: var(--c-orange);
        color: var(--c-white);
        font-size: 0.72rem;
        font-weight: 700;
        border-radius: var(--radius-full);
        letter-spacing: 0.02em;
    }

    .featured-story-card .featured-body {
        padding: 24px;
        display: flex;
        flex-direction: column;
        flex: 1;
    }

    .featured-story-card .featured-name {
        font-size: 1.2rem;
        font-weight: 800;
        color: var(--c-ink);
        margin: 0 0 6px;
    }

    .featured-story-card .featured-label {
        font-size: 0.8rem;
        color: var(--c-orange);
        font-weight: 600;
        margin: 0 0 12px;
    }

    .featured-story-card .featured-quote {
        font-size: 0.92rem;
        color: var(--c-text-soft);
        line-height: 1.75;
        margin: 0 0 16px;
        flex: 1;
    }

    .featured-story-card .featured-meta {
        font-size: 0.8rem;
        color: var(--c-text-light);
        border-top: 1px solid var(--c-border);
        padding-top: 14px;
        display: flex;
        gap: 16px;
        flex-wrap: wrap;
    }

    /* ===== Community Interaction ===== */
    .comment-bubble {
        background: var(--c-card);
        border: 1px solid var(--c-border);
        border-radius: var(--radius-md);
        padding: 18px 20px;
        box-shadow: var(--shadow-sm);
        margin-bottom: 14px;
        transition: transform var(--transition-fast), box-shadow var(--transition-fast);
    }

    .comment-bubble:hover {
        transform: translateX(4px);
        box-shadow: var(--shadow-md);
    }

    .comment-bubble:last-child {
        margin-bottom: 0;
    }

    .comment-bubble .comment-header {
        display: flex;
        align-items: center;
        gap: 10px;
        margin-bottom: 8px;
    }

    .comment-bubble .comment-avatar {
        width: 32px;
        height: 32px;
        border-radius: 50%;
        background: var(--c-bg-warm);
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: 0.78rem;
        font-weight: 700;
        color: var(--c-ink);
        flex-shrink: 0;
    }

    .comment-bubble .comment-name {
        font-size: 0.85rem;
        font-weight: 700;
        color: var(--c-ink);
    }

    .comment-bubble .comment-time {
        font-size: 0.75rem;
        color: var(--c-text-light);
        margin-left: auto;
    }

    .comment-bubble .comment-text {
        font-size: 0.88rem;
        color: var(--c-text-soft);
        line-height: 1.7;
        margin: 0;
    }

    .comment-bubble .comment-reply {
        font-size: 0.75rem;
        color: var(--c-text-light);
        margin-top: 8px;
        display: inline-flex;
        align-items: center;
        gap: 4px;
        cursor: pointer;
    }

    .comment-bubble .comment-reply:hover {
        color: var(--c-orange);
    }

    /* ===== Submit CTA ===== */
    .submit-cta {
        background: var(--c-dark);
        border-radius: var(--radius-xl);
        padding: 56px 48px;
        position: relative;
        overflow: hidden;
        text-align: center;
    }

    .submit-cta::before {
        content: '';
        position: absolute;
        inset: 0;
        background-image: url('/assets/images/810af51bd15b06aa.webp');
        background-size: cover;
        background-position: center;
        opacity: 0.18;
    }

    .submit-cta::after {
        content: '';
        position: absolute;
        inset: 0;
        background: radial-gradient(ellipse at center, rgba(26,29,32,0.4) 0%, rgba(18,20,23,0.85) 100%);
    }

    .submit-cta .container-custom {
        position: relative;
        z-index: 2;
    }

    .submit-cta h2 {
        font-size: 2rem;
        font-weight: 800;
        color: var(--c-white);
        margin: 0 0 12px;
    }

    .submit-cta h2 .highlight {
        color: var(--c-acid);
    }

    .submit-cta p {
        font-size: 1.05rem;
        color: rgba(255,255,255,0.65);
        max-width: 560px;
        margin: 0 auto 28px;
        line-height: 1.8;
    }

    .submit-cta .btn-submit {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 14px 32px;
        background: var(--c-acid);
        color: var(--c-ink);
        font-size: 1rem;
        font-weight: 700;
        border-radius: var(--radius-full);
        border: none;
        cursor: pointer;
        transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast);
    }

    .submit-cta .btn-submit:hover {
        background: #c4e630;
        color: var(--c-ink);
        transform: translateY(-3px);
        box-shadow: var(--shadow-glow);
    }

    @media (max-width: 576px) {
        .submit-cta {
            padding: 40px 24px;
            border-radius: var(--radius-lg);
        }
        .submit-cta h2 {
            font-size: 1.5rem;
        }
        .submit-cta p {
            font-size: 0.95rem;
        }
    }

    /* ===== Activity Cards ===== */
    .activity-card {
        background: var(--c-card);
        border: 1px solid var(--c-border);
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: var(--shadow-sm);
        transition: transform var(--transition-med), box-shadow var(--transition-med);
        height: 100%;
        display: flex;
        flex-direction: column;
    }

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

    .activity-card .activity-cover {
        height: 140px;
        overflow: hidden;
        flex-shrink: 0;
    }

    .activity-card .activity-cover img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }

    .activity-card .activity-body {
        padding: 18px 20px;
        flex: 1;
        display: flex;
        flex-direction: column;
    }

    .activity-card .activity-status {
        display: inline-block;
        padding: 4px 10px;
        font-size: 0.7rem;
        font-weight: 700;
        border-radius: var(--radius-full);
        margin-bottom: 10px;
        width: fit-content;
    }

    .activity-card .activity-status.status-open {
        background: var(--c-acid-soft);
        color: var(--c-ink);
    }

    .activity-card .activity-status.status-soon {
        background: var(--c-orange-soft);
        color: var(--c-orange);
    }

    .activity-card .activity-status.status-ended {
        background: #E5E2DA;
        color: var(--c-text-soft);
    }

    .activity-card .activity-title {
        font-size: 0.95rem;
        font-weight: 700;
        color: var(--c-ink);
        margin: 0 0 6px;
        line-height: 1.4;
    }

    .activity-card .activity-date {
        font-size: 0.8rem;
        color: var(--c-text-light);
        margin: 0;
    }

    /* ===== FAQ ===== */
    .faq-item {
        background: var(--c-card);
        border: 1px solid var(--c-border);
        border-radius: var(--radius-md);
        margin-bottom: 12px;
        overflow: hidden;
        transition: border var(--transition-fast), box-shadow var(--transition-fast);
    }

    .faq-item:hover {
        border-color: var(--c-border-strong);
        box-shadow: var(--shadow-sm);
    }

    .faq-item .faq-question {
        padding: 18px 22px;
        font-size: 0.98rem;
        font-weight: 700;
        color: var(--c-ink);
        cursor: pointer;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 12px;
        user-select: none;
    }

    .faq-item .faq-question .faq-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 24px;
        height: 24px;
        border-radius: 50%;
        background: var(--c-bg-warm);
        font-size: 0.75rem;
        color: var(--c-text-soft);
        flex-shrink: 0;
        transition: transform var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
    }

    .faq-item .faq-question:hover .faq-icon {
        background: var(--c-acid);
        color: var(--c-ink);
        transform: rotate(90deg);
    }

    .faq-item .faq-answer {
        padding: 0 22px 18px;
        font-size: 0.9rem;
        color: var(--c-text-soft);
        line-height: 1.75;
        display: none;
    }

    .faq-item.open .faq-answer {
        display: block;
    }

    .faq-item.open .faq-icon {
        background: var(--c-acid);
        color: var(--c-ink);
        transform: rotate(45deg);
    }

    /* ===== Footer ===== */
    .footer-28quan {
        background: var(--c-dark);
        color: rgba(255,255,255,0.7);
        padding: 56px 0 24px;
        border-top: 1px solid rgba(255,255,255,0.06);
    }

    .footer-28quan .footer-top {
        display: grid;
        grid-template-columns: 1.5fr 1fr 1fr;
        gap: 48px;
        padding-bottom: 36px;
        border-bottom: 1px solid rgba(255,255,255,0.08);
    }

    .footer-brand .footer-logo {
        font-size: 1.6rem;
        font-weight: 900;
        color: var(--c-white);
        margin-bottom: 14px;
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .footer-brand .footer-logo .logo-icon {
        width: 32px;
        height: 32px;
        border-radius: 8px;
        background: var(--c-acid);
        display: inline-flex;
        align-items: center;
        justify-content: center;
        font-size: 0.95rem;
        font-weight: 900;
        color: var(--c-ink);
    }

    .footer-brand p {
        font-size: 0.9rem;
        line-height: 1.7;
        margin: 0;
        max-width: 360px;
    }

    .footer-col h4 {
        font-size: 0.95rem;
        font-weight: 700;
        color: var(--c-white);
        margin: 0 0 16px;
    }

    .footer-col a {
        display: block;
        font-size: 0.88rem;
        color: rgba(255,255,255,0.6);
        padding: 5px 0;
        transition: color var(--transition-fast);
    }

    .footer-col a:hover {
        color: var(--c-acid);
    }

    .footer-bottom {
        padding-top: 20px;
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 12px;
        font-size: 0.8rem;
        color: rgba(255,255,255,0.5);
    }

    .footer-bottom .footer-links {
        display: flex;
        gap: 16px;
    }

    .footer-bottom a {
        color: rgba(255,255,255,0.5);
    }

    .footer-bottom a:hover {
        color: var(--c-acid);
    }

    @media (max-width: 768px) {
        .footer-28quan .footer-top {
            grid-template-columns: 1fr;
            gap: 32px;
        }
        .footer-bottom {
            flex-direction: column;
            align-items: flex-start;
        }
    }

    /* ===== Misc ===== */
    .text-center {
        text-align: center;
    }
    .mt-0 { margin-top: 0; }
    .mb-0 { margin-bottom: 0; }
    .mt-2 { margin-top: 16px; }
    .mt-3 { margin-top: 24px; }
    .mb-2 { margin-bottom: 16px; }
    .mb-3 { margin-bottom: 24px; }
    .gap-3 { gap: 20px; }
    .gap-2 { gap: 16px; }
    .d-flex { display: flex; }
    .align-items-center { align-items: center; }
    .justify-content-between { justify-content: space-between; }
    .flex-wrap { flex-wrap: wrap; }

    .row-28 {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }

    .row-28.two-col {
        grid-template-columns: repeat(2, 1fr);
    }

    .row-28.four-col {
        grid-template-columns: repeat(4, 1fr);
    }

    @media (max-width: 992px) {
        .row-28 {
            grid-template-columns: repeat(2, 1fr);
        }
        .row-28.four-col {
            grid-template-columns: repeat(2, 1fr);
        }
    }

    @media (max-width: 576px) {
        .row-28,
        .row-28.two-col,
        .row-28.four-col {
            grid-template-columns: 1fr;
        }
    }

    .btn-28 {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 12px 28px;
        font-size: 0.92rem;
        font-weight: 700;
        border-radius: var(--radius-full);
        border: none;
        cursor: pointer;
        transition: background var(--transition-fast), transform var(--transition-fast), box-shadow var(--transition-fast), border var(--transition-fast);
    }

    .btn-28.btn-outline {
        background: transparent;
        border: 1.5px solid var(--c-border-strong);
        color: var(--c-ink);
    }

    .btn-28.btn-outline:hover {
        background: var(--c-ink);
        color: var(--c-white);
        border-color: var(--c-ink);
        transform: translateY(-2px);
    }

    .btn-28.btn-primary-28 {
        background: var(--c-ink);
        color: var(--c-white);
    }

    .btn-28.btn-primary-28:hover {
        background: var(--c-ink-2);
        transform: translateY(-2px);
        box-shadow: var(--shadow-md);
        color: var(--c-white);
    }

    .btn-28.btn-acid {
        background: var(--c-acid);
        color: var(--c-ink);
    }

    .btn-28.btn-acid:hover {
        background: #c4e630;
        transform: translateY(-2px);
        box-shadow: var(--shadow-glow);
        color: var(--c-ink);
    }

    @media (max-width: 576px) {
        .btn-28 {
            padding: 10px 22px;
            font-size: 0.85rem;
        }
    }

/* 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}