/* roulang page: index */
:root {
            --color-primary: #FF4E1E;
            --color-primary-strong: #E03C0F;
            --color-primary-soft: rgba(255, 78, 30, 0.12);
            --color-accent: #C8FF2E;
            --color-accent-dark: #96C914;
            --color-dark: #0B0F14;
            --color-dark-2: #121920;
            --color-dark-3: #1C232A;
            --color-dark-4: #242D36;
            --color-light: #F5F6F8;
            --color-white: #FFFFFF;
            --color-text: #1C232A;
            --color-text-soft: #4A5560;
            --color-text-muted: #7A8694;
            --color-text-invert: #F5F6F8;
            --color-border: #DCE0E6;
            --color-border-light: #EAEDF2;
            --color-error: #D42C2C;
            --gradient-brand: linear-gradient(135deg, #0B0F14 0%, #1C232A 42%, #FF4E1E 100%);
            --gradient-accent: linear-gradient(90deg, #FFB800 0%, #FF4E1E 100%);
            --gradient-primary-btn: linear-gradient(90deg, #FFB800 0%, #FF4E1E 100%);
            --gradient-dark-section: linear-gradient(160deg, #0B0F14 0%, #1C232A 52%, #2A130E 100%);
            --shadow-card: 0 18px 40px -20px rgba(0, 0, 0, 0.25);
            --shadow-card-hover: 0 24px 60px -24px rgba(255, 78, 30, 0.35);
            --shadow-btn: 0 10px 24px -8px rgba(255, 78, 30, 0.45);
            --shadow-nav: 0 6px 24px -8px rgba(0, 0, 0, 0.16);
            --radius-sm: 12px;
            --radius-md: 18px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --radius-pill: 999px;
            --font-sans: 'Inter', 'PingFang SC', 'Source Han Sans SC', 'Noto Sans SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, sans-serif;
            --font-condensed: 'Barlow Condensed', 'Oswald', 'DIN Condensed', 'Inter', sans-serif;
            --container-max: 1200px;
            --container-pad: 24px;
            --section-gap: 76px;
            --section-gap-mobile: 48px;
            --transition-fast: 0.18s ease;
            --transition-med: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }

        *, *::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: 1.8;
            color: var(--color-text);
            background-color: var(--color-white);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

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

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

        a:focus-visible {
            outline: 3px solid rgba(255, 78, 30, 0.5);
            outline-offset: 2px;
            border-radius: 4px;
        }

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

        button {
            cursor: pointer;
            border: none;
            background: none;
            color: inherit;
        }

        button:focus-visible {
            outline: 3px solid rgba(255, 78, 30, 0.5);
            outline-offset: 2px;
        }

        ul, ol {
            list-style: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: var(--container-pad);
            padding-right: var(--container-pad);
            width: 100%;
        }

        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border: 0;
        }

        .section {
            padding-top: var(--section-gap);
            padding-bottom: var(--section-gap);
        }

        .section--dark {
            background: var(--gradient-dark-section);
            color: var(--color-text-invert);
        }

        .section--light {
            background: var(--color-light);
        }

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

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-primary-soft);
            color: var(--color-primary);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.05em;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            margin-bottom: 16px;
            text-transform: uppercase;
        }

        .section-tag--light {
            background: rgba(200, 255, 46, 0.15);
            color: var(--color-accent);
        }

        .section-tag .dot {
            width: 6px;
            height: 6px;
            background: var(--color-accent);
            border-radius: 50%;
            display: inline-block;
        }

        .section-title {
            font-size: 32px;
            font-weight: 900;
            line-height: 1.3;
            letter-spacing: -0.01em;
            color: var(--color-dark);
            margin-bottom: 12px;
        }

        .section-title--light {
            color: var(--color-white);
        }

        .section-title .highlight {
            background: var(--gradient-accent);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .section-desc {
            font-size: 16px;
            color: var(--color-text-soft);
            line-height: 1.8;
            max-width: 720px;
            margin-bottom: 32px;
        }

        .section--dark .section-desc {
            color: rgba(245, 246, 248, 0.75);
        }

        /* Header / Navigation */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(11, 15, 20, 0.92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: var(--shadow-nav);
        }

        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 16px;
            position: relative;
        }

        .nav-left, .nav-right {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
        }

        .nav-left {
            justify-content: flex-start;
        }

        .nav-right {
            justify-content: flex-end;
        }

        .nav-logo {
            font-size: 22px;
            font-weight: 900;
            letter-spacing: 0.02em;
            color: var(--color-white);
            white-space: nowrap;
            display: flex;
            align-items: center;
            gap: 8px;
            transition: color var(--transition-fast);
            flex-shrink: 0;
        }

        .nav-logo .logo-icon {
            width: 32px;
            height: 32px;
            background: var(--gradient-accent);
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            font-weight: 900;
            color: var(--color-dark);
            flex-shrink: 0;
        }

        .nav-logo:hover {
            color: var(--color-accent);
        }

        .nav-link {
            font-size: 14px;
            font-weight: 600;
            color: rgba(245, 246, 248, 0.82);
            padding: 8px 12px;
            border-radius: var(--radius-pill);
            white-space: nowrap;
            transition: color var(--transition-fast), background var(--transition-fast);
            position: relative;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: 2px;
            left: 12px;
            right: 12px;
            height: 2px;
            background: var(--gradient-accent);
            border-radius: 2px;
            transform: scaleX(0);
            transform-origin: left;
            transition: transform var(--transition-med);
        }

        .nav-link:hover {
            color: var(--color-white);
            background: rgba(255, 255, 255, 0.06);
        }

        .nav-link:hover::after, .nav-link.active::after {
            transform: scaleX(1);
        }

        .nav-link.active {
            color: var(--color-white);
            background: rgba(255, 78, 30, 0.18);
        }

        .nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            font-weight: 700;
            color: var(--color-white);
            background: var(--gradient-primary-btn);
            padding: 10px 18px;
            border-radius: var(--radius-pill);
            white-space: nowrap;
            box-shadow: var(--shadow-btn);
            transition: transform var(--transition-fast), box-shadow var(--transition-fast);
        }

        .nav-cta:hover {
            color: var(--color-white);
            transform: translateY(-2px);
            box-shadow: 0 14px 32px -8px rgba(255, 78, 30, 0.55);
        }

        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 10px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.06);
            transition: background var(--transition-fast);
        }

        .nav-toggle span {
            display: block;
            width: 22px;
            height: 2px;
            background: var(--color-white);
            border-radius: 2px;
            transition: transform var(--transition-med), opacity var(--transition-med);
        }

        .nav-toggle:hover {
            background: rgba(255, 255, 255, 0.12);
        }

        .nav-overlay {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(11, 15, 20, 0.96);
            z-index: 200;
            padding: 20px;
            overflow-y: auto;
            animation: fadeOverlay 0.25s ease;
        }

        .nav-overlay.open {
            display: flex;
            flex-direction: column;
        }

        @keyframes fadeOverlay {
            from { opacity: 0; }
            to { opacity: 1; }
        }

        .nav-overlay-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 8px 0 24px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }

        .nav-overlay-logo {
            font-size: 20px;
            font-weight: 900;
            color: var(--color-white);
        }

        .nav-overlay-close {
            font-size: 28px;
            color: var(--color-white);
            padding: 4px 10px;
            border-radius: 8px;
            background: rgba(255, 255, 255, 0.08);
            line-height: 1;
            transition: background var(--transition-fast), transform var(--transition-fast);
        }

        .nav-overlay-close:hover {
            background: rgba(255, 78, 30, 0.25);
            transform: rotate(90deg);
        }

        .nav-overlay-links {
            display: flex;
            flex-direction: column;
            gap: 12px;
            padding: 28px 0;
        }

        .nav-overlay-link {
            font-size: 20px;
            font-weight: 700;
            color: rgba(245, 246, 248, 0.85);
            padding: 12px 16px;
            border-radius: 14px;
            background: rgba(255, 255, 255, 0.04);
            transition: background var(--transition-fast), color var(--transition-fast);
        }

        .nav-overlay-link:hover, .nav-overlay-link.active {
            color: var(--color-white);
            background: rgba(255, 78, 30, 0.2);
        }

        .nav-overlay-cta {
            width: 100%;
            justify-content: center;
            font-size: 16px;
            padding: 14px 20px;
            text-align: center;
        }

        /* Hero */
        .hero {
            position: relative;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            min-height: 620px;
            display: flex;
            align-items: center;
            padding: 72px 0 80px;
            overflow: hidden;
        }

        .hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(160deg, rgba(11, 15, 20, 0.92) 0%, rgba(11, 15, 20, 0.78) 40%, rgba(255, 78, 30, 0.35) 100%);
            z-index: 1;
        }

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

        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1.05fr;
            gap: 44px;
            align-items: center;
        }

        .hero-cover {
            background: linear-gradient(150deg, #121920 0%, #1C232A 55%, #2A130E 100%);
            border-radius: var(--radius-xl);
            padding: 28px;
            border: 1px solid rgba(255, 255, 255, 0.12);
            box-shadow: 0 32px 80px -28px rgba(0, 0, 0, 0.6);
            position: relative;
            overflow: hidden;
        }

        .hero-cover::after {
            content: '';
            position: absolute;
            top: -60px;
            right: -60px;
            width: 200px;
            height: 200px;
            background: radial-gradient(circle, rgba(255, 78, 30, 0.35), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .hero-cover-title {
            font-size: 26px;
            font-weight: 900;
            color: var(--color-white);
            letter-spacing: 0.03em;
            line-height: 1.3;
            margin-bottom: 12px;
            position: relative;
            z-index: 1;
        }

        .hero-cover-sub {
            font-size: 14px;
            color: rgba(245, 246, 248, 0.7);
            line-height: 1.7;
            margin-bottom: 24px;
            position: relative;
            z-index: 1;
        }

        .hero-cover-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--gradient-accent);
            color: var(--color-dark);
            font-weight: 800;
            font-size: 13px;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            margin-bottom: 20px;
            position: relative;
            z-index: 1;
        }

        .hero-cover-list {
            display: flex;
            flex-direction: column;
            gap: 10px;
            position: relative;
            z-index: 1;
        }

        .hero-cover-item {
            display: flex;
            align-items: center;
            gap: 12px;
            color: rgba(245, 246, 248, 0.85);
            font-size: 14px;
            font-weight: 500;
            padding: 10px 14px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 12px;
            transition: background var(--transition-fast), transform var(--transition-fast);
        }

        .hero-cover-item:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateX(4px);
        }

        .hero-cover-item .item-num {
            width: 24px;
            height: 24px;
            background: var(--color-primary);
            color: var(--color-white);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            font-weight: 800;
            flex-shrink: 0;
        }

        .hero-content h1 {
            font-size: 40px;
            font-weight: 900;
            line-height: 1.25;
            letter-spacing: -0.015em;
            color: var(--color-white);
            margin-bottom: 18px;
            max-width: 560px;
        }

        .hero-content h1 .gradient-text {
            background: var(--gradient-accent);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-desc {
            font-size: 17px;
            color: rgba(245, 246, 248, 0.8);
            line-height: 1.9;
            max-width: 540px;
            margin-bottom: 28px;
        }

        .hero-cta-row {
            display: flex;
            flex-wrap: wrap;
            gap: 14px;
            margin-bottom: 32px;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 15px;
            padding: 14px 28px;
            border-radius: var(--radius-pill);
            transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), color var(--transition-fast), opacity var(--transition-fast);
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--gradient-primary-btn);
            color: var(--color-white);
            box-shadow: var(--shadow-btn);
        }

        .btn-primary:hover {
            color: var(--color-white);
            transform: translateY(-2px);
            box-shadow: 0 16px 36px -8px rgba(255, 78, 30, 0.55);
        }

        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 6px 16px -4px rgba(255, 78, 30, 0.4);
        }

        .btn-secondary {
            background: transparent;
            color: var(--color-white);
            border: 1.5px solid rgba(255, 255, 255, 0.35);
        }

        .btn-secondary:hover {
            color: var(--color-white);
            border-color: var(--color-accent);
            background: rgba(200, 255, 46, 0.1);
            transform: translateY(-2px);
        }

        .btn-secondary:active {
            transform: translateY(1px);
        }

        .btn:disabled, .btn.disabled {
            opacity: 0.45;
            pointer-events: none;
        }

        .btn-sm {
            font-size: 13px;
            padding: 10px 20px;
        }

        .hero-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }

        .hero-meta-item {
            display: flex;
            align-items: center;
            gap: 8px;
            color: rgba(245, 246, 248, 0.65);
            font-size: 13px;
            font-weight: 500;
        }

        .hero-meta-item .meta-dot {
            width: 5px;
            height: 5px;
            background: var(--color-accent);
            border-radius: 50%;
            flex-shrink: 0;
        }

        .hero-scroll {
            position: absolute;
            bottom: 24px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 2;
            color: rgba(245, 246, 248, 0.5);
            font-size: 12px;
            letter-spacing: 0.08em;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 6px;
            animation: scrollBounce 2.4s ease-in-out infinite;
        }

        @keyframes scrollBounce {
            0%, 100% { transform: translateX(-50%) translateY(0); }
            50% { transform: translateX(-50%) translateY(10px); }
        }

        .hero-scroll .arrow {
            width: 18px;
            height: 18px;
            border-right: 2px solid rgba(245, 246, 248, 0.5);
            border-bottom: 2px solid rgba(245, 246, 248, 0.5);
            transform: rotate(45deg);
        }

        /* Pain / Trend section with horizontal scroll */
        .pain-section {
            background: var(--color-light);
            padding-top: 56px;
            padding-bottom: 56px;
        }

        .pain-header {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 20px;
            flex-wrap: wrap;
            margin-bottom: 28px;
        }

        .pain-header .section-title {
            margin-bottom: 0;
        }

        .pain-hint {
            font-size: 13px;
            color: var(--color-text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .pain-track-wrap {
            overflow-x: auto;
            scroll-snap-type: x mandatory;
            -webkit-overflow-scrolling: touch;
            padding-bottom: 12px;
            margin: 0 -4px;
            scrollbar-width: thin;
            scrollbar-color: rgba(255, 78, 30, 0.4) transparent;
        }

        .pain-track-wrap::-webkit-scrollbar {
            height: 5px;
        }

        .pain-track-wrap::-webkit-scrollbar-track {
            background: transparent;
        }

        .pain-track-wrap::-webkit-scrollbar-thumb {
            background: rgba(255, 78, 30, 0.4);
            border-radius: 10px;
        }

        .pain-track {
            display: flex;
            gap: 18px;
            scroll-snap-align: start;
            width: max-content;
            min-width: 100%;
        }

        .pain-card {
            flex-shrink: 0;
            width: 290px;
            background: var(--color-white);
            border-radius: var(--radius-lg);
            padding: 26px 24px;
            border: 1px solid var(--color-border-light);
            box-shadow: 0 8px 24px -12px rgba(0, 0, 0, 0.12);
            scroll-snap-align: start;
            transition: transform var(--transition-med), box-shadow var(--transition-med), border-color var(--transition-fast);
        }

        .pain-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-card);
            border-color: rgba(255, 78, 30, 0.25);
        }

        .pain-card-icon {
            width: 44px;
            height: 44px;
            background: var(--color-primary-soft);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 900;
            color: var(--color-primary);
            margin-bottom: 16px;
        }

        .pain-card h3 {
            font-size: 18px;
            font-weight: 800;
            color: var(--color-dark);
            margin-bottom: 10px;
        }

        .pain-card p {
            font-size: 14px;
            color: var(--color-text-soft);
            line-height: 1.75;
            margin-bottom: 14px;
        }

        .pain-card .badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 700;
            color: var(--color-primary);
            background: var(--color-primary-soft);
            padding: 5px 12px;
            border-radius: var(--radius-pill);
        }

        .pain-card .badge .dot {
            width: 6px;
            height: 6px;
            background: var(--color-primary);
            border-radius: 50%;
        }

        /* Solution section */
        .solution-section {
            background: var(--color-white);
        }

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

        .solution-card {
            background: var(--color-white);
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
            box-shadow: var(--shadow-card);
            transition: transform var(--transition-med), box-shadow var(--transition-med);
            display: flex;
            flex-direction: column;
            position: relative;
        }

        .solution-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-card-hover);
        }

        .solution-card-img {
            height: 210px;
            background-size: cover;
            background-position: center;
            position: relative;
            flex-shrink: 0;
        }

        .solution-card-img::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 15, 20, 0.1) 0%, rgba(11, 15, 20, 0.55) 100%);
        }

        .solution-card-img .tag-overlay {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 1;
            background: var(--gradient-accent);
            color: var(--color-dark);
            font-size: 12px;
            font-weight: 800;
            padding: 6px 14px;
            border-radius: var(--radius-pill);
        }

        .solution-card-img[data-bg="cover-1"] {
            background-image: url('/assets/images/coverpic/cover-1.webp');
        }
        .solution-card-img[data-bg="cover-4"] {
            background-image: url('/assets/images/coverpic/cover-4.webp');
        }
        .solution-card-img[data-bg="cover-5"] {
            background-image: url('/assets/images/coverpic/cover-5.webp');
        }

        .solution-card-body {
            padding: 24px 26px 26px;
            display: flex;
            flex-direction: column;
            flex-grow: 1;
        }

        .solution-card-body h3 {
            font-size: 20px;
            font-weight: 800;
            color: var(--color-dark);
            margin-bottom: 10px;
        }

        .solution-card-body p {
            font-size: 14px;
            color: var(--color-text-soft);
            line-height: 1.8;
            margin-bottom: 16px;
            flex-grow: 1;
        }

        .solution-card-body .link-more {
            font-size: 13px;
            font-weight: 700;
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap var(--transition-fast);
        }

        .solution-card-body .link-more:hover {
            gap: 10px;
        }

        .solution-card-body .link-more .arrow {
            font-size: 16px;
            line-height: 1;
        }

        /* Brand intro */
        .brand-section {
            background: var(--color-dark);
            position: relative;
            overflow: hidden;
        }

        .brand-section::before {
            content: '';
            position: absolute;
            top: -120px;
            left: -120px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(255, 78, 30, 0.2), transparent 65%);
            border-radius: 50%;
        }

        .brand-section::after {
            content: '';
            position: absolute;
            bottom: -140px;
            right: -100px;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(200, 255, 46, 0.12), transparent 65%);
            border-radius: 50%;
        }

        .brand-grid {
            display: grid;
            grid-template-columns: 1.05fr 1fr;
            gap: 48px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .brand-text .section-title {
            color: var(--color-white);
            margin-bottom: 18px;
        }

        .brand-text p {
            color: rgba(245, 246, 248, 0.78);
            font-size: 16px;
            line-height: 1.95;
            margin-bottom: 16px;
        }

        .brand-text .highlight-word {
            color: var(--color-accent);
            font-weight: 700;
        }

        .brand-img {
            background-image: url('/assets/images/coverpic/cover-2.webp');
            background-size: cover;
            background-position: center;
            border-radius: var(--radius-xl);
            min-height: 340px;
            box-shadow: 0 32px 60px -20px rgba(0, 0, 0, 0.55);
            border: 1px solid rgba(255, 255, 255, 0.1);
            position: relative;
            overflow: hidden;
        }

        .brand-img::after {
            content: 'MK体育官网';
            position: absolute;
            bottom: 20px;
            right: 24px;
            font-size: 22px;
            font-weight: 900;
            color: var(--color-white);
            text-shadow: 0 4px 20px rgba(0, 0, 0, 0.5);
        }

        /* Results / data badges */
        .results-section {
            background: var(--color-light);
        }

        .results-badge-wall {
            display: grid;
            grid-template-columns: repeat(5, 1fr);
            gap: 18px;
            margin-bottom: 28px;
        }

        .badge-card {
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: 22px 18px;
            text-align: center;
            border: 1px solid var(--color-border-light);
            box-shadow: 0 8px 20px -10px rgba(0, 0, 0, 0.1);
            transition: transform var(--transition-med), box-shadow var(--transition-med), border-color var(--transition-fast);
            position: relative;
            overflow: hidden;
        }

        .badge-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 20%;
            right: 20%;
            height: 3px;
            background: var(--gradient-accent);
            border-radius: 0 0 4px 4px;
        }

        .badge-card:hover {
            transform: translateY(-4px);
            box-shadow: 0 16px 32px -12px rgba(255, 78, 30, 0.3);
            border-color: rgba(255, 78, 30, 0.3);
        }

        .badge-card .badge-num {
            font-family: var(--font-condensed);
            font-size: 44px;
            font-weight: 700;
            line-height: 1.2;
            color: var(--color-primary);
            letter-spacing: 0.01em;
            margin-bottom: 4px;
        }

        .badge-card .badge-unit {
            font-size: 14px;
            font-weight: 800;
            color: var(--color-dark);
        }

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

        .badge-card .badge-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            background: var(--color-accent);
            border-radius: 50%;
            margin-bottom: 8px;
        }

        .results-note {
            font-size: 15px;
            color: var(--color-text-soft);
            line-height: 1.85;
            max-width: 800px;
        }

        .results-note strong {
            color: var(--color-dark);
        }

        /* Testimonials */
        .testimonial-section {
            background: var(--color-white);
        }

        .testimonial-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 22px;
        }

        .testimonial-card {
            background: var(--color-light);
            border-radius: var(--radius-lg);
            padding: 28px 26px;
            border: 1px solid var(--color-border-light);
            transition: transform var(--transition-med), box-shadow var(--transition-med);
            position: relative;
        }

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

        .testimonial-card::before {
            content: '"';
            position: absolute;
            top: 10px;
            left: 20px;
            font-size: 60px;
            font-weight: 900;
            color: rgba(255, 78, 30, 0.15);
            line-height: 1;
            pointer-events: none;
        }

        .testimonial-card blockquote {
            font-size: 15px;
            color: var(--color-text-soft);
            line-height: 1.85;
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }

        .testimonial-author {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .testimonial-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: var(--color-primary-soft);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 800;
            color: var(--color-primary);
            font-size: 16px;
            flex-shrink: 0;
        }

        .testimonial-name {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-dark);
        }

        .testimonial-role {
            font-size: 12px;
            color: var(--color-text-muted);
        }

        /* News section */
        .news-section {
            background: var(--color-light);
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 6px;
        }

        .news-item {
            display: flex;
            align-items: center;
            gap: 20px;
            background: var(--color-white);
            border-radius: var(--radius-md);
            padding: 18px 22px;
            border: 1px solid var(--color-border-light);
            transition: transform var(--transition-fast), box-shadow var(--transition-fast), border-color var(--transition-fast);
        }

        .news-item:hover {
            transform: translateX(4px);
            box-shadow: 0 10px 24px -10px rgba(0, 0, 0, 0.14);
            border-color: rgba(255, 78, 30, 0.25);
        }

        .news-date {
            flex-shrink: 0;
            text-align: center;
            background: var(--color-dark);
            border-radius: 10px;
            padding: 8px 12px;
            min-width: 62px;
        }

        .news-date .day {
            font-family: var(--font-condensed);
            font-size: 22px;
            font-weight: 700;
            color: var(--color-white);
            line-height: 1.1;
            display: block;
        }

        .news-date .month {
            font-size: 10px;
            color: var(--color-accent);
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            display: block;
        }

        .news-body {
            flex-grow: 1;
            min-width: 0;
        }

        .news-body h3 {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-dark);
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .news-body p {
            font-size: 13px;
            color: var(--color-text-muted);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .news-item .btn-link {
            flex-shrink: 0;
            font-size: 13px;
            font-weight: 700;
            color: var(--color-primary);
            display: flex;
            align-items: center;
            gap: 4px;
            transition: gap var(--transition-fast);
        }

        .news-item .btn-link:hover {
            gap: 8px;
        }

        /* Latest updates / KPI widget */
        .updates-section {
            background: var(--color-white);
        }

        .updates-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 28px;
            align-items: start;
        }

        .updates-table-wrap {
            background: var(--color-light);
            border-radius: var(--radius-lg);
            overflow: hidden;
            border: 1px solid var(--color-border-light);
        }

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

        .updates-table th {
            background: var(--color-dark);
            color: var(--color-white);
            font-weight: 700;
            text-align: left;
            padding: 14px 18px;
            font-size: 13px;
            letter-spacing: 0.03em;
        }

        .updates-table td {
            padding: 13px 18px;
            border-bottom: 1px solid var(--color-border-light);
            color: var(--color-text-soft);
        }

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

        .updates-table tr:hover td {
            background: rgba(255, 78, 30, 0.04);
        }

        .status-pill {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 12px;
            border-radius: var(--radius-pill);
        }

        .status-pill--live {
            background: rgba(200, 255, 46, 0.2);
            color: #3D5A00;
        }

        .status-pill--live .pulse {
            width: 6px;
            height: 6px;
            background: #96C914;
            border-radius: 50%;
            animation: pulse 1.5s ease-in-out infinite;
        }

        @keyframes pulse {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.4; transform: scale(0.7); }
        }

        .status-pill--upcoming {
            background: rgba(255, 78, 30, 0.15);
            color: var(--color-primary);
        }

        .kpi-mini-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }

        .kpi-mini {
            background: var(--color-dark);
            border-radius: var(--radius-md);
            padding: 20px;
            text-align: center;
        }

        .kpi-mini .kpi-num {
            font-family: var(--font-condensed);
            font-size: 32px;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.2;
        }

        .kpi-mini .kpi-label {
            font-size: 12px;
            color: rgba(245, 246, 248, 0.65);
            margin-top: 4px;
        }

        /* Ranking list */
        .rank-section {
            background: var(--color-light);
        }

        .rank-list {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
        }

        .rank-row {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 14px 22px;
            border-bottom: 1px solid var(--color-border-light);
            transition: background var(--transition-fast);
        }

        .rank-row:last-child {
            border-bottom: none;
        }

        .rank-row:hover {
            background: rgba(255, 78, 30, 0.04);
        }

        .rank-num {
            font-family: var(--font-condensed);
            font-size: 22px;
            font-weight: 700;
            color: var(--color-text-muted);
            width: 36px;
            flex-shrink: 0;
            text-align: center;
        }

        .rank-row:nth-child(1) .rank-num { color: #FFB800; }
        .rank-row:nth-child(2) .rank-num { color: #B0B8C0; }
        .rank-row:nth-child(3) .rank-num { color: #D4875A; }

        .rank-info {
            flex-grow: 1;
            min-width: 0;
        }

        .rank-info h4 {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-dark);
            margin-bottom: 2px;
        }

        .rank-info p {
            font-size: 12px;
            color: var(--color-text-muted);
        }

        .rank-metric {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
            font-size: 13px;
            font-weight: 700;
            color: var(--color-text-soft);
        }

        .rank-metric .trend-up {
            color: #96C914;
        }
        .rank-metric .trend-flat {
            color: var(--color-text-muted);
        }

        /* Deep content area */
        .deep-section {
            background: var(--color-white);
        }

        .deep-article {
            max-width: 840px;
            margin: 0 auto;
            background: var(--color-white);
            border-left: 5px solid var(--color-primary);
            padding: 28px 36px;
            border-radius: 0 var(--radius-md) var(--radius-md) 0;
            box-shadow: 0 12px 32px -16px rgba(0, 0, 0, 0.12);
        }

        .deep-article h2 {
            font-size: 24px;
            font-weight: 900;
            color: var(--color-dark);
            margin-bottom: 16px;
        }

        .deep-article p {
            font-size: 16px;
            color: var(--color-text-soft);
            line-height: 2.0;
            margin-bottom: 16px;
        }

        .deep-article p:last-child {
            margin-bottom: 0;
        }

        .deep-article .article-highlight {
            color: var(--color-primary);
            font-weight: 700;
        }

        /* Limited entry / countdown */
        .limited-section {
            background: var(--gradient-dark-section);
            position: relative;
            overflow: hidden;
        }

        .limited-section::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -80px;
            width: 350px;
            height: 350px;
            background: radial-gradient(circle, rgba(255, 78, 30, 0.25), transparent 65%);
            border-radius: 50%;
        }

        .limited-card {
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(12px);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-xl);
            padding: 36px 32px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            position: relative;
            z-index: 1;
        }

        .limited-info h3 {
            font-size: 22px;
            font-weight: 900;
            color: var(--color-white);
            margin-bottom: 8px;
        }

        .limited-info p {
            font-size: 14px;
            color: rgba(245, 246, 248, 0.7);
            max-width: 440px;
        }

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

        .countdown-item {
            text-align: center;
            background: rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-md);
            padding: 12px 16px;
            min-width: 60px;
        }

        .countdown-item .cd-num {
            font-family: var(--font-condensed);
            font-size: 32px;
            font-weight: 700;
            color: var(--color-accent);
            line-height: 1.2;
        }

        .countdown-item .cd-label {
            font-size: 11px;
            color: rgba(245, 246, 248, 0.6);
            text-transform: uppercase;
            letter-spacing: 0.05em;
        }

        .limited-action {
            flex-shrink: 0;
        }

        /* FAQ */
        .faq-section {
            background: var(--color-light);
        }

        .faq-list {
            max-width: 820px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: var(--color-white);
            border-radius: var(--radius-md);
            border: 1px solid var(--color-border-light);
            overflow: hidden;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }

        .faq-item:hover {
            border-color: rgba(255, 78, 30, 0.3);
            box-shadow: 0 8px 20px -8px rgba(0, 0, 0, 0.1);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 18px 22px;
            font-size: 15px;
            font-weight: 700;
            color: var(--color-dark);
            text-align: left;
            background: transparent;
            transition: background var(--transition-fast);
        }

        .faq-question:hover {
            background: rgba(255, 78, 30, 0.04);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--color-primary-soft);
            color: var(--color-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            transition: transform var(--transition-med), background var(--transition-fast), color var(--transition-fast);
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--color-primary);
            color: var(--color-white);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow);
        }

        .faq-answer-inner {
            padding: 0 22px 20px;
            font-size: 14px;
            color: var(--color-text-soft);
            line-height: 1.85;
        }

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

        /* Final CTA */
        .cta-section {
            background: var(--color-white);
            padding-bottom: 60px;
        }

        .cta-card {
            background: var(--gradient-dark-section);
            border-radius: var(--radius-xl);
            padding: 52px 40px;
            text-align: center;
            position: relative;
            overflow: hidden;
        }

        .cta-card::before {
            content: '';
            position: absolute;
            top: -80px;
            left: 50%;
            transform: translateX(-50%);
            width: 500px;
            height: 250px;
            background: radial-gradient(ellipse, rgba(255, 78, 30, 0.25), transparent 65%);
            border-radius: 50%;
        }

        .cta-card h2 {
            font-size: 28px;
            font-weight: 900;
            color: var(--color-white);
            margin-bottom: 14px;
            position: relative;
            z-index: 1;
        }

        .cta-card p {
            font-size: 15px;
            color: rgba(245, 246, 248, 0.7);
            max-width: 560px;
            margin: 0 auto 28px;
            line-height: 1.85;
            position: relative;
            z-index: 1;
        }

        .cta-card .cta-row {
            display: flex;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
        }

        /* Footer */
        .site-footer {
            background: var(--color-dark);
            color: rgba(245, 246, 248, 0.72);
            padding: 56px 0 28px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 40px;
        }

        .footer-brand .footer-logo {
            font-size: 22px;
            font-weight: 900;
            color: var(--color-white);
            margin-bottom: 12px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .footer-brand .footer-logo .logo-icon {
            width: 28px;
            height: 28px;
            background: var(--gradient-accent);
            border-radius: 7px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            font-weight: 900;
            color: var(--color-dark);
        }

        .footer-brand p {
            font-size: 13px;
            color: rgba(245, 246, 248, 0.55);
            line-height: 1.8;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 800;
            color: var(--color-white);
            margin-bottom: 14px;
            letter-spacing: 0.03em;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col a {
            font-size: 13px;
            color: rgba(245, 246, 248, 0.6);
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding-top: 22px;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 14px;
            font-size: 12px;
            color: rgba(245, 246, 248, 0.45);
        }

        .footer-bottom a {
            color: rgba(245, 246, 248, 0.6);
            transition: color var(--transition-fast);
        }

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

        .footer-links-inline {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero {
                min-height: auto;
                padding: 48px 0 64px;
            }
            .hero-content h1 {
                font-size: 32px;
            }
            .solution-grid {
                grid-template-columns: 1fr 1fr;
            }
            .results-badge-wall {
                grid-template-columns: repeat(3, 1fr);
            }
            .brand-grid {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .brand-img {
                min-height: 260px;
            }
            .updates-grid {
                grid-template-columns: 1fr;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .nav-left, .nav-right {
                gap: 4px;
            }
            .nav-link {
                font-size: 12px;
                padding: 6px 8px;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding-top: var(--section-gap-mobile);
                padding-bottom: var(--section-gap-mobile);
            }
            .nav-left, .nav-right {
                display: none;
            }
            .nav-wrap {
                justify-content: space-between;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-logo {
                font-size: 18px;
            }
            .nav-logo .logo-icon {
                width: 26px;
                height: 26px;
                font-size: 13px;
            }
            .hero {
                padding: 28px 0 48px;
            }
            .hero-cover {
                padding: 20px;
            }
            .hero-cover-title {
                font-size: 20px;
            }
            .hero-content h1 {
                font-size: 26px;
            }
            .hero-desc {
                font-size: 15px;
            }
            .section-title {
                font-size: 24px;
            }
            .solution-grid {
                grid-template-columns: 1fr;
            }
            .results-badge-wall {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .badge-card .badge-num {
                font-size: 32px;
            }
            .testimonial-grid {
                grid-template-columns: 1fr;
            }
            .news-item {
                flex-wrap: wrap;
                gap: 12px;
                padding: 14px 16px;
            }
            .news-date {
                min-width: 54px;
                padding: 6px 10px;
            }
            .news-date .day {
                font-size: 18px;
            }
            .news-body h3 {
                white-space: normal;
            }
            .news-body p {
                white-space: normal;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .limited-card {
                flex-direction: column;
                align-items: flex-start;
            }
            .countdown {
                gap: 8px;
            }
            .countdown-item {
                padding: 10px 12px;
                min-width: 50px;
            }
            .countdown-item .cd-num {
                font-size: 24px;
            }
            .deep-article {
                padding: 20px 22px;
            }
            .cta-card {
                padding: 36px 24px;
            }
            .pain-header {
                flex-direction: column;
                align-items: flex-start;
            }
            .pain-card {
                width: 250px;
            }
            .kpi-mini-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 520px) {
            .hero-content h1 {
                font-size: 23px;
            }
            .hero-desc {
                font-size: 14px;
            }
            .btn {
                font-size: 13px;
                padding: 12px 22px;
                white-space: normal;
            }
            .section-title {
                font-size: 21px;
            }
            .results-badge-wall {
                grid-template-columns: 1fr 1fr;
                gap: 10px;
            }
            .badge-card {
                padding: 16px 12px;
            }
            .badge-card .badge-num {
                font-size: 26px;
            }
            .rank-row {
                flex-wrap: wrap;
                gap: 10px;
                padding: 12px 16px;
            }
            .rank-metric {
                width: 100%;
                justify-content: flex-start;
                padding-left: 52px;
            }
            .limited-card {
                padding: 24px 20px;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
                gap: 8px;
            }
        }

        @media (prefers-reduced-motion: reduce) {
            *, *::before, *::after {
                transition-duration: 0.01ms !important;
                animation-duration: 0.01ms !important;
                animation-iteration-count: 1 !important;
            }
        }

/* roulang page: category2 */
:root {
        --color-primary: #FF4E1E;
        --color-primary-strong: #E03C0F;
        --color-primary-soft: rgba(255, 78, 30, 0.12);
        --color-accent: #C8FF2E;
        --color-accent-dark: #96C914;
        --color-dark: #0B0F14;
        --color-dark-2: #121920;
        --color-dark-3: #1C232A;
        --color-dark-4: #242D36;
        --color-light: #F5F6F8;
        --color-white: #FFFFFF;
        --color-text: #1C232A;
        --color-text-soft: #4A5560;
        --color-text-muted: #7A8694;
        --color-text-invert: #F5F6F8;
        --color-border: #DCE0E6;
        --color-border-light: #EAEDF2;
        --color-error: #D42C2C;
        --gradient-brand: linear-gradient(135deg, #0B0F14 0%, #1C232A 42%, #FF4E1E 100%);
        --gradient-accent: linear-gradient(90deg, #FFB800 0%, #FF4E1E 100%);
        --gradient-primary-btn: linear-gradient(90deg, #FFB800 0%, #FF4E1E 100%);
        --gradient-dark-section: linear-gradient(160deg, #0B0F14 0%, #1C232A 52%, #2A130E 100%);
        --shadow-card: 0 18px 40px -20px rgba(0, 0, 0, 0.25);
        --shadow-card-hover: 0 24px 60px -24px rgba(255, 78, 30, 0.35);
        --shadow-btn: 0 10px 24px -8px rgba(255, 78, 30, 0.45);
        --shadow-nav: 0 6px 24px -8px rgba(0, 0, 0, 0.16);
        --radius-sm: 12px;
        --radius-md: 18px;
        --radius-lg: 24px;
        --radius-xl: 32px;
        --radius-pill: 999px;
        --font-sans: 'Inter', 'PingFang SC', 'Source Han Sans SC', 'Noto Sans SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, sans-serif;
        --font-condensed: 'Barlow Condensed', 'Oswald', 'DIN Condensed', 'Inter', sans-serif;
        --container-max: 1200px;
        --container-pad: 24px;
        --section-gap: 76px;
        --section-gap-mobile: 48px;
        --transition-fast: 0.18s ease;
        --transition-med: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    }
    html {
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
    }
    body {
        font-family: var(--font-sans);
        font-size: 16px;
        line-height: 1.8;
        color: var(--color-text);
        background-color: var(--color-white);
        min-height: 100vh;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        overflow-x: hidden;
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
        border-radius: inherit;
    }
    a {
        color: inherit;
        text-decoration: none;
        transition: color var(--transition-fast), opacity var(--transition-fast), text-decoration-color var(--transition-fast);
    }
    a:hover {
        color: var(--color-primary);
    }
    a:focus-visible {
        outline: 3px solid rgba(255, 78, 30, 0.5);
        outline-offset: 2px;
        border-radius: 4px;
    }
    button, input, select, textarea {
        font-family: inherit;
        font-size: inherit;
        line-height: inherit;
    }
    button {
        cursor: pointer;
        border: none;
        background: none;
        color: inherit;
    }
    button:focus-visible {
        outline: 3px solid rgba(255, 78, 30, 0.5);
        outline-offset: 2px;
    }
    .container {
        max-width: var(--container-max);
        margin: 0 auto;
        padding-left: var(--container-pad);
        padding-right: var(--container-pad);
        width: 100%;
    }
    .section {
        padding-top: var(--section-gap);
        padding-bottom: var(--section-gap);
    }
    .section--dark {
        background: var(--gradient-dark-section);
        color: var(--color-text-invert);
    }
    .section--light {
        background: var(--color-light);
    }
    .section--white {
        background: var(--color-white);
    }
    .section-tag {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: var(--color-primary-soft);
        color: var(--color-primary);
        font-size: 13px;
        font-weight: 700;
        letter-spacing: 0.05em;
        padding: 6px 16px;
        border-radius: var(--radius-pill);
        margin-bottom: 16px;
        text-transform: uppercase;
    }
    .section-tag--light {
        background: rgba(200, 255, 46, 0.15);
        color: var(--color-accent);
    }
    .section-tag .dot {
        width: 6px;
        height: 6px;
        background: var(--color-accent);
        border-radius: 50%;
        display: inline-block;
    }
    .section-heading {
        margin-bottom: 32px;
    }
    .section-heading h2 {
        font-size: clamp(24px, 3vw, 32px);
        font-weight: 800;
        letter-spacing: -0.02em;
        line-height: 1.25;
        margin: 0 0 12px;
        color: var(--color-text);
    }
    .section-heading p {
        font-size: 16px;
        color: var(--color-text-soft);
        margin: 0;
        max-width: 680px;
    }
    .section--dark .section-heading h2 {
        color: var(--color-text-invert);
    }
    .section--dark .section-heading p {
        color: rgba(245, 246, 248, 0.75);
    }

    /* Header / Nav */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 100;
        background: rgba(255, 255, 255, 0.92);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-bottom: 1px solid var(--color-border-light);
        padding: 14px 0;
        box-shadow: var(--shadow-nav);
    }
    .nav-wrap {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
    }
    .nav-logo {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        font-weight: 900;
        font-size: 20px;
        color: var(--color-dark);
        letter-spacing: -0.01em;
        flex-shrink: 0;
    }
    .nav-logo .logo-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 36px;
        height: 36px;
        background: var(--gradient-primary-btn);
        color: #fff;
        font-size: 15px;
        font-weight: 900;
        border-radius: 10px;
        letter-spacing: -0.03em;
        box-shadow: var(--shadow-btn);
    }
    .nav-left, .nav-right {
        display: flex;
        align-items: center;
        gap: 6px;
    }
    .nav-link {
        display: inline-flex;
        align-items: center;
        padding: 8px 14px;
        font-size: 14px;
        font-weight: 600;
        color: var(--color-text-soft);
        border-radius: var(--radius-pill);
        transition: background var(--transition-fast), color var(--transition-fast);
    }
    .nav-link:hover {
        color: var(--color-primary);
        background: var(--color-primary-soft);
    }
    .nav-link.active {
        color: #fff;
        background: var(--gradient-primary-btn);
        box-shadow: var(--shadow-btn);
    }
    .nav-cta {
        display: inline-flex;
        align-items: center;
        padding: 9px 20px;
        font-size: 14px;
        font-weight: 700;
        color: #fff;
        background: var(--gradient-primary-btn);
        border-radius: var(--radius-pill);
        box-shadow: var(--shadow-btn);
        transition: transform var(--transition-fast), box-shadow var(--transition-fast);
        margin-left: 6px;
        white-space: nowrap;
    }
    .nav-cta:hover {
        color: #fff;
        transform: translateY(-2px);
        box-shadow: 0 14px 32px -8px rgba(255, 78, 30, 0.5);
    }
    .nav-toggle {
        display: none;
        flex-direction: column;
        gap: 5px;
        padding: 8px;
        z-index: 110;
    }
    .nav-toggle span {
        display: block;
        width: 24px;
        height: 2px;
        background: var(--color-dark);
        border-radius: 2px;
        transition: transform var(--transition-med), opacity var(--transition-med);
    }
    .nav-toggle.open span:nth-child(1) {
        transform: translateY(7px) rotate(45deg);
    }
    .nav-toggle.open span:nth-child(2) {
        opacity: 0;
    }
    .nav-toggle.open span:nth-child(3) {
        transform: translateY(-7px) rotate(-45deg);
    }
    .mobile-overlay {
        display: none;
        position: fixed;
        inset: 0;
        background: rgba(11, 15, 20, 0.6);
        backdrop-filter: blur(8px);
        z-index: 90;
        opacity: 0;
        transition: opacity var(--transition-med);
    }
    .mobile-overlay.show {
        opacity: 1;
    }
    .mobile-menu {
        display: none;
        position: fixed;
        top: 0;
        right: 0;
        bottom: 0;
        width: min(320px, 85vw);
        background: #fff;
        z-index: 95;
        padding: 24px;
        transform: translateX(100%);
        transition: transform var(--transition-med);
        box-shadow: -12px 0 40px rgba(0, 0, 0, 0.2);
        overflow-y: auto;
    }
    .mobile-menu.show {
        transform: translateX(0);
    }
    .mobile-menu .mobile-close {
        position: absolute;
        top: 16px;
        right: 16px;
        font-size: 28px;
        line-height: 1;
        padding: 6px;
    }
    .mobile-menu .nav-logo {
        margin-bottom: 20px;
    }
    .mobile-menu .mobile-link {
        display: block;
        padding: 14px 16px;
        font-size: 16px;
        font-weight: 600;
        border-radius: var(--radius-sm);
        color: var(--color-text);
        transition: background var(--transition-fast), color var(--transition-fast);
    }
    .mobile-menu .mobile-link:hover {
        background: var(--color-primary-soft);
        color: var(--color-primary);
    }
    .mobile-menu .mobile-link.active {
        background: var(--gradient-primary-btn);
        color: #fff;
    }
    .mobile-menu .mobile-cta {
        display: block;
        margin-top: 16px;
        padding: 14px 16px;
        text-align: center;
        background: var(--gradient-primary-btn);
        color: #fff;
        border-radius: var(--radius-pill);
        font-weight: 700;
    }

    /* Breadcrumb */
    .breadcrumb-bar {
        background: var(--color-light);
        padding: 14px 0;
        border-bottom: 1px solid var(--color-border-light);
    }
    .breadcrumb {
        display: flex;
        align-items: center;
        gap: 8px;
        font-size: 14px;
        color: var(--color-text-muted);
    }
    .breadcrumb a {
        color: var(--color-text-soft);
        font-weight: 500;
    }
    .breadcrumb a:hover {
        color: var(--color-primary);
    }
    .breadcrumb .sep {
        color: var(--color-text-muted);
    }
    .breadcrumb .current {
        color: var(--color-primary);
        font-weight: 700;
    }

    /* Category Hero */
    .category-hero {
        position: relative;
        background: url('/assets/images/coverpic/cover-2.webp') center / cover no-repeat;
        min-height: 420px;
        display: flex;
        align-items: center;
        color: var(--color-text-invert);
        isolation: isolate;
    }
    .category-hero::before {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(135deg, rgba(11, 15, 20, 0.88) 0%, rgba(28, 35, 42, 0.78) 45%, rgba(255, 78, 30, 0.55) 100%);
        z-index: -1;
    }
    .category-hero .hero-content {
        max-width: 760px;
        padding: 48px 0;
    }
    .category-hero h1 {
        font-size: clamp(28px, 4vw, 44px);
        font-weight: 900;
        letter-spacing: -0.02em;
        line-height: 1.2;
        margin: 0 0 16px;
    }
    .category-hero h1 .accent {
        background: var(--gradient-accent);
        -webkit-background-clip: text;
        background-clip: text;
        -webkit-text-fill-color: transparent;
        color: transparent;
    }
    .category-hero .hero-sub {
        font-size: 17px;
        line-height: 1.8;
        max-width: 620px;
        margin: 0 0 28px;
        color: rgba(245, 246, 248, 0.88);
    }
    .hero-actions {
        display: flex;
        flex-wrap: wrap;
        gap: 14px;
    }
    .btn {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        padding: 13px 28px;
        font-size: 15px;
        font-weight: 700;
        border-radius: var(--radius-pill);
        transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), border-color var(--transition-fast);
        white-space: nowrap;
    }
    .btn-primary {
        background: var(--gradient-primary-btn);
        color: #fff;
        box-shadow: var(--shadow-btn);
    }
    .btn-primary:hover {
        color: #fff;
        transform: translateY(-2px);
        box-shadow: 0 16px 36px -8px rgba(255, 78, 30, 0.55);
    }
    .btn-outline-light {
        border: 1.5px solid rgba(255, 255, 255, 0.6);
        color: #fff;
        background: transparent;
    }
    .btn-outline-light:hover {
        border-color: var(--color-accent);
        color: var(--color-accent);
        background: rgba(200, 255, 46, 0.1);
    }
    .btn-outline-dark {
        border: 1.5px solid var(--color-dark);
        color: var(--color-dark);
        background: transparent;
    }
    .btn-outline-dark:hover {
        border-color: var(--color-primary);
        color: var(--color-primary);
        background: var(--color-primary-soft);
    }

    /* Feature cards */
    .feature-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 22px;
    }
    .feature-card {
        background: #fff;
        border-radius: var(--radius-lg);
        padding: 28px 22px;
        box-shadow: var(--shadow-card);
        border: 1px solid var(--color-border-light);
        transition: transform var(--transition-med), box-shadow var(--transition-med), border-color var(--transition-med);
    }
    .feature-card:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow-card-hover);
        border-color: rgba(255, 78, 30, 0.3);
    }
    .feature-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 48px;
        height: 48px;
        background: var(--color-primary-soft);
        color: var(--color-primary);
        font-size: 22px;
        border-radius: 14px;
        margin-bottom: 16px;
    }
    .feature-card h3 {
        font-size: 17px;
        font-weight: 800;
        margin: 0 0 8px;
        color: var(--color-text);
    }
    .feature-card p {
        font-size: 14px;
        color: var(--color-text-soft);
        margin: 0;
        line-height: 1.7;
    }

    /* Schedule list cards */
    .schedule-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 26px;
    }
    .schedule-card {
        background: #fff;
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: var(--shadow-card);
        border: 1px solid var(--color-border-light);
        transition: transform var(--transition-med), box-shadow var(--transition-med);
        display: flex;
        flex-direction: column;
    }
    .schedule-card:hover {
        transform: translateY(-6px);
        box-shadow: var(--shadow-card-hover);
    }
    .schedule-card .card-media {
        position: relative;
        aspect-ratio: 16 / 9;
        overflow: hidden;
    }
    .schedule-card .card-media img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform var(--transition-slow);
    }
    .schedule-card:hover .card-media img {
        transform: scale(1.05);
    }
    .schedule-card .date-badge {
        position: absolute;
        top: 14px;
        left: 14px;
        background: rgba(11, 15, 20, 0.82);
        backdrop-filter: blur(6px);
        color: #fff;
        font-size: 12px;
        font-weight: 700;
        padding: 6px 14px;
        border-radius: var(--radius-pill);
        letter-spacing: 0.02em;
        display: inline-flex;
        align-items: center;
        gap: 6px;
    }
    .schedule-card .date-badge .dot {
        width: 6px;
        height: 6px;
        background: var(--color-accent);
        border-radius: 50%;
        display: inline-block;
    }
    .schedule-card .card-body {
        padding: 22px;
        display: flex;
        flex-direction: column;
        flex: 1;
    }
    .schedule-card .card-tag {
        display: inline-block;
        font-size: 12px;
        font-weight: 700;
        color: var(--color-primary);
        background: var(--color-primary-soft);
        padding: 4px 12px;
        border-radius: var(--radius-pill);
        margin-bottom: 10px;
    }
    .schedule-card h3 {
        font-size: 18px;
        font-weight: 800;
        margin: 0 0 8px;
        line-height: 1.4;
    }
    .schedule-card h3 a:hover {
        color: var(--color-primary);
    }
    .schedule-card p {
        font-size: 14px;
        color: var(--color-text-soft);
        margin: 0 0 16px;
        line-height: 1.7;
    }
    .card-link {
        margin-top: auto;
        display: inline-flex;
        align-items: center;
        gap: 6px;
        font-size: 14px;
        font-weight: 700;
        color: var(--color-primary);
        transition: gap var(--transition-fast);
    }
    .card-link:hover {
        gap: 10px;
        color: var(--color-primary-strong);
    }

    /* Deep content */
    .deep-content {
        background: #fff;
        border-radius: var(--radius-xl);
        padding: 36px 40px;
        border-left: 5px solid var(--color-primary);
        box-shadow: var(--shadow-card);
    }
    .deep-content h3 {
        font-size: 22px;
        font-weight: 800;
        margin: 0 0 16px;
        color: var(--color-text);
    }
    .deep-content p {
        font-size: 16px;
        line-height: 1.9;
        color: var(--color-text-soft);
        margin: 0 0 16px;
    }
    .deep-content p:last-child {
        margin-bottom: 0;
    }

    /* Data badges */
    .stats-grid {
        display: grid;
        grid-template-columns: repeat(5, 1fr);
        gap: 18px;
    }
    .stat-card {
        background: rgba(255, 255, 255, 0.06);
        border: 1px solid rgba(200, 255, 46, 0.2);
        border-radius: var(--radius-md);
        padding: 24px 18px;
        text-align: center;
        transition: transform var(--transition-med), border-color var(--transition-med);
    }
    .stat-card:hover {
        transform: translateY(-4px);
        border-color: rgba(200, 255, 46, 0.5);
    }
    .stat-number {
        display: block;
        font-family: var(--font-condensed);
        font-size: clamp(32px, 4vw, 48px);
        font-weight: 700;
        color: var(--color-accent);
        line-height: 1.1;
        letter-spacing: -0.01em;
    }
    .stat-label {
        display: block;
        font-size: 13px;
        color: rgba(245, 246, 248, 0.75);
        margin-top: 8px;
    }

    /* FAQ */
    .faq-list {
        max-width: 820px;
        margin: 0 auto;
    }
    .faq-item {
        background: #fff;
        border: 1px solid var(--color-border-light);
        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: rgba(255, 78, 30, 0.3);
    }
    .faq-item.open {
        border-color: var(--color-primary);
        box-shadow: var(--shadow-card);
    }
    .faq-question {
        width: 100%;
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        padding: 18px 22px;
        font-size: 16px;
        font-weight: 700;
        color: var(--color-text);
        text-align: left;
        background: transparent;
        transition: background var(--transition-fast);
    }
    .faq-question:hover {
        background: var(--color-light);
    }
    .faq-icon {
        flex-shrink: 0;
        width: 28px;
        height: 28px;
        display: inline-flex;
        align-items: center;
        justify-content: center;
        border-radius: 50%;
        background: var(--color-primary-soft);
        color: var(--color-primary);
        font-size: 18px;
        font-weight: 700;
        transition: transform var(--transition-med), background var(--transition-fast);
    }
    .faq-item.open .faq-icon {
        transform: rotate(45deg);
        background: var(--color-primary);
        color: #fff;
    }
    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-slow);
    }
    .faq-item.open .faq-answer {
        max-height: 400px;
    }
    .faq-answer-inner {
        padding: 0 22px 20px;
        font-size: 14px;
        color: var(--color-text-soft);
        line-height: 1.8;
    }

    /* CTA */
    .cta-panel {
        background: var(--gradient-brand);
        border-radius: var(--radius-xl);
        padding: 48px 44px;
        text-align: center;
        color: var(--color-text-invert);
        position: relative;
        overflow: hidden;
    }
    .cta-panel::before {
        content: '';
        position: absolute;
        top: -60%;
        right: -30%;
        width: 400px;
        height: 400px;
        background: rgba(200, 255, 46, 0.1);
        border-radius: 50%;
        pointer-events: none;
    }
    .cta-panel h2 {
        font-size: clamp(24px, 3vw, 32px);
        font-weight: 900;
        margin: 0 0 12px;
        letter-spacing: -0.01em;
    }
    .cta-panel p {
        font-size: 16px;
        color: rgba(245, 246, 248, 0.85);
        max-width: 560px;
        margin: 0 auto 28px;
    }
    .cta-actions {
        display: flex;
        flex-wrap: wrap;
        justify-content: center;
        gap: 14px;
    }

    /* Footer */
    .site-footer {
        background: var(--color-dark);
        color: var(--color-text-invert);
        padding: 56px 0 28px;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: 32px;
        margin-bottom: 36px;
    }
    .footer-logo {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        font-weight: 900;
        font-size: 20px;
        color: #fff;
        margin-bottom: 12px;
    }
    .footer-logo .logo-icon {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        width: 32px;
        height: 32px;
        background: var(--gradient-primary-btn);
        color: #fff;
        font-size: 14px;
        font-weight: 900;
        border-radius: 8px;
    }
    .footer-brand p {
        font-size: 14px;
        color: rgba(245, 246, 248, 0.65);
        line-height: 1.7;
        margin: 0 0 8px;
        max-width: 360px;
    }
    .footer-col h4 {
        font-size: 14px;
        font-weight: 700;
        margin: 0 0 14px;
        color: #fff;
        letter-spacing: 0.04em;
    }
    .footer-col ul {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    .footer-col ul li {
        margin-bottom: 8px;
    }
    .footer-col ul a {
        font-size: 14px;
        color: rgba(245, 246, 248, 0.65);
        transition: color var(--transition-fast);
    }
    .footer-col ul a:hover {
        color: var(--color-accent);
    }
    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        padding-top: 20px;
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        gap: 12px 20px;
        font-size: 13px;
        color: rgba(245, 246, 248, 0.5);
    }
    .footer-links-inline {
        display: inline-flex;
        align-items: center;
        gap: 10px;
        margin-left: auto;
    }
    .footer-links-inline a {
        color: rgba(245, 246, 248, 0.5);
        font-size: 13px;
    }
    .footer-links-inline a:hover {
        color: var(--color-accent);
    }

    /* Responsive */
    @media (max-width: 1024px) {
        .feature-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .schedule-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .stats-grid {
            grid-template-columns: repeat(3, 1fr);
        }
        .footer-grid {
            grid-template-columns: 2fr 1fr 1fr;
        }
    }
    @media (max-width: 768px) {
        .nav-left, .nav-right {
            display: none;
        }
        .nav-toggle {
            display: flex;
        }
        .mobile-overlay, .mobile-menu {
            display: block;
        }
        .nav-wrap {
            justify-content: space-between;
        }
        .nav-logo {
            font-size: 17px;
        }
        .nav-logo .logo-icon {
            width: 30px;
            height: 30px;
            font-size: 13px;
        }
        .section {
            padding-top: var(--section-gap-mobile);
            padding-bottom: var(--section-gap-mobile);
        }
        .category-hero {
            min-height: auto;
            padding: 40px 0;
        }
        .hero-actions {
            flex-direction: column;
        }
        .btn {
            width: 100%;
            justify-content: center;
        }
        .schedule-grid {
            grid-template-columns: 1fr;
        }
        .feature-grid {
            grid-template-columns: 1fr;
        }
        .stats-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .deep-content {
            padding: 24px 20px;
        }
        .cta-panel {
            padding: 32px 22px;
        }
        .footer-grid {
            grid-template-columns: 1fr;
            gap: 24px;
        }
        .footer-bottom {
            flex-direction: column;
            align-items: flex-start;
            gap: 8px;
        }
        .footer-links-inline {
            margin-left: 0;
        }
    }
    @media (max-width: 520px) {
        .stats-grid {
            grid-template-columns: 1fr 1fr;
            gap: 10px;
        }
        .stat-card {
            padding: 16px 12px;
        }
        .stat-number {
            font-size: 28px;
        }
        .breadcrumb {
            font-size: 12px;
            flex-wrap: wrap;
        }
        .schedule-card .card-body {
            padding: 16px;
        }
    }

/* roulang page: category1 */
:root {
        --color-primary: #FF4E1E;
        --color-primary-strong: #E03C0F;
        --color-primary-soft: rgba(255, 78, 30, 0.12);
        --color-accent: #C8FF2E;
        --color-accent-dark: #96C914;
        --color-dark: #0B0F14;
        --color-dark-2: #121920;
        --color-dark-3: #1C232A;
        --color-dark-4: #242D36;
        --color-light: #F5F6F8;
        --color-white: #FFFFFF;
        --color-text: #1C232A;
        --color-text-soft: #4A5560;
        --color-text-muted: #7A8694;
        --color-text-invert: #F5F6F8;
        --color-border: #DCE0E6;
        --color-border-light: #EAEDF2;
        --color-error: #D42C2C;
        --gradient-brand: linear-gradient(135deg, #0B0F14 0%, #1C232A 42%, #FF4E1E 100%);
        --gradient-accent: linear-gradient(90deg, #FFB800 0%, #FF4E1E 100%);
        --gradient-primary-btn: linear-gradient(90deg, #FFB800 0%, #FF4E1E 100%);
        --gradient-dark-section: linear-gradient(160deg, #0B0F14 0%, #1C232A 52%, #2A130E 100%);
        --shadow-card: 0 18px 40px -20px rgba(0, 0, 0, 0.25);
        --shadow-card-hover: 0 24px 60px -24px rgba(255, 78, 30, 0.35);
        --shadow-btn: 0 10px 24px -8px rgba(255, 78, 30, 0.45);
        --shadow-nav: 0 6px 24px -8px rgba(0, 0, 0, 0.16);
        --radius-sm: 12px;
        --radius-md: 18px;
        --radius-lg: 24px;
        --radius-xl: 32px;
        --radius-pill: 999px;
        --font-sans: 'Inter', 'PingFang SC', 'Source Han Sans SC', 'Noto Sans SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, sans-serif;
        --font-condensed: 'Barlow Condensed', 'Oswald', 'DIN Condensed', 'Inter', sans-serif;
        --container-max: 1200px;
        --container-pad: 24px;
        --section-gap: 76px;
        --section-gap-mobile: 48px;
        --transition-fast: 0.18s ease;
        --transition-med: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
        --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
    }
    html {
        scroll-behavior: smooth;
        -webkit-text-size-adjust: 100%;
    }
    body {
        font-family: var(--font-sans);
        font-size: 16px;
        line-height: 1.8;
        color: var(--color-text);
        background-color: var(--color-white);
        min-height: 100vh;
        -webkit-font-smoothing: antialiased;
        -moz-osx-font-smoothing: grayscale;
        overflow-x: hidden;
        margin: 0;
        padding: 0;
    }
    img {
        max-width: 100%;
        height: auto;
        display: block;
        border-radius: inherit;
    }
    a {
        color: inherit;
        text-decoration: none;
        transition: color var(--transition-fast), opacity var(--transition-fast), text-decoration-color var(--transition-fast);
    }
    a:hover {
        color: var(--color-primary);
    }
    a:focus-visible {
        outline: 3px solid rgba(255, 78, 30, 0.5);
        outline-offset: 2px;
        border-radius: 4px;
    }
    button, input, select, textarea {
        font-family: inherit;
        font-size: inherit;
        line-height: inherit;
    }
    button {
        cursor: pointer;
        border: none;
        background: none;
        color: inherit;
    }
    button:focus-visible {
        outline: 3px solid rgba(255, 78, 30, 0.5);
        outline-offset: 2px;
    }
    .container {
        max-width: var(--container-max);
        margin: 0 auto;
        padding-left: var(--container-pad);
        padding-right: var(--container-pad);
        width: 100%;
    }
    .section {
        padding-top: var(--section-gap);
        padding-bottom: var(--section-gap);
    }
    .section--dark {
        background: var(--gradient-dark-section);
        color: var(--color-text-invert);
    }
    .section--light {
        background: var(--color-light);
    }
    .section--white {
        background: var(--color-white);
    }
    .section-tag {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: var(--color-primary-soft);
        color: var(--color-primary);
        font-size: 13px;
        font-weight: 700;
        letter-spacing: 0.05em;
        padding: 6px 16px;
        border-radius: var(--radius-pill);
        margin-bottom: 16px;
        text-transform: uppercase;
    }
    .section-tag--light {
        background: rgba(200, 255, 46, 0.15);
        color: var(--color-accent);
    }
    .section-tag .dot {
        width: 6px;
        height: 6px;
        background: var(--color-accent);
        border-radius: 50%;
        display: inline-block;
    }
    .section-title {
        font-size: clamp(1.75rem, 3vw, 2.5rem);
        font-weight: 900;
        line-height: 1.25;
        margin: 0 0 16px;
        color: inherit;
    }
    .section-subtitle {
        font-size: 1.05rem;
        line-height: 1.7;
        color: var(--color-text-muted);
        margin: 0 0 32px;
        max-width: 720px;
    }
    .section--dark .section-subtitle {
        color: rgba(245, 246, 248, 0.7);
    }
    .section-head {
        margin-bottom: 32px;
    }
    .section-head--center {
        text-align: center;
    }
    .section-head--center .section-subtitle {
        margin-left: auto;
        margin-right: auto;
    }

    /* header */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 1000;
        background: rgba(255, 255, 255, 0.96);
        backdrop-filter: blur(12px);
        box-shadow: var(--shadow-nav);
        border-bottom: 1px solid var(--color-border-light);
    }
    .nav-wrap {
        display: flex;
        align-items: center;
        justify-content: space-between;
        min-height: 72px;
        gap: 16px;
        position: relative;
    }
    .nav-toggle {
        display: none;
        flex-direction: column;
        gap: 5px;
        padding: 8px;
        border-radius: var(--radius-sm);
        background: transparent;
        z-index: 1002;
    }
    .nav-toggle span {
        display: block;
        width: 24px;
        height: 2px;
        background: var(--color-dark);
        border-radius: 2px;
        transition: all var(--transition-med);
    }
    .nav-toggle.active span:nth-child(1) {
        transform: rotate(45deg) translate(5px, 5px);
        background: var(--color-primary);
    }
    .nav-toggle.active span:nth-child(2) {
        opacity: 0;
    }
    .nav-toggle.active span:nth-child(3) {
        transform: rotate(-45deg) translate(5px, -5px);
        background: var(--color-primary);
    }
    .nav-left, .nav-right {
        display: flex;
        align-items: center;
        gap: 8px;
        flex: 1;
    }
    .nav-left {
        justify-content: flex-start;
    }
    .nav-right {
        justify-content: flex-end;
    }
    .nav-link {
        font-size: 0.92rem;
        font-weight: 600;
        padding: 8px 14px;
        border-radius: var(--radius-pill);
        color: var(--color-text-soft);
        white-space: nowrap;
        position: relative;
    }
    .nav-link:hover {
        color: var(--color-primary);
        background: var(--color-primary-soft);
    }
    .nav-link.active {
        color: var(--color-primary);
        background: var(--color-primary-soft);
    }
    .nav-link.active::after {
        content: '';
        position: absolute;
        bottom: -2px;
        left: 50%;
        transform: translateX(-50%);
        width: 20px;
        height: 3px;
        background: var(--color-primary);
        border-radius: 3px;
    }
    .nav-logo {
        font-family: var(--font-condensed);
        font-size: 1.4rem;
        font-weight: 900;
        letter-spacing: 0.03em;
        color: var(--color-dark);
        display: flex;
        align-items: center;
        gap: 10px;
        padding: 8px;
        border-radius: var(--radius-pill);
    }
    .nav-logo .logo-icon {
        width: 36px;
        height: 36px;
        background: var(--gradient-accent);
        color: #fff;
        border-radius: 10px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 0.95rem;
        font-weight: 900;
        font-family: var(--font-condensed);
        letter-spacing: 0.04em;
        box-shadow: var(--shadow-btn);
    }
    .nav-cta {
        background: var(--gradient-primary-btn);
        color: #fff;
        font-weight: 700;
        font-size: 0.88rem;
        padding: 10px 20px;
        border-radius: var(--radius-pill);
        white-space: nowrap;
        box-shadow: var(--shadow-btn);
        transition: all var(--transition-med);
    }
    .nav-cta:hover {
        transform: translateY(-2px);
        box-shadow: 0 14px 30px -8px rgba(255, 78, 30, 0.55);
        color: #fff;
    }

    /* breadcrumb */
    .breadcrumb-bar {
        background: var(--color-light);
        border-bottom: 1px solid var(--color-border-light);
        padding: 14px 0;
        font-size: 0.85rem;
        color: var(--color-text-muted);
    }
    .breadcrumb {
        display: flex;
        align-items: center;
        gap: 8px;
        flex-wrap: wrap;
    }
    .breadcrumb a {
        color: var(--color-text-soft);
    }
    .breadcrumb a:hover {
        color: var(--color-primary);
    }
    .breadcrumb .sep {
        color: var(--color-border);
    }
    .breadcrumb .current {
        color: var(--color-primary);
        font-weight: 600;
    }

    /* page hero */
    .page-hero {
        background: var(--gradient-dark-section);
        color: var(--color-text-invert);
        padding: 64px 0 72px;
        position: relative;
        overflow: hidden;
    }
    .page-hero::before {
        content: '';
        position: absolute;
        inset: 0;
        background: url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
        opacity: 0.22;
    }
    .page-hero::after {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(135deg, rgba(11, 15, 20, 0.88) 30%, rgba(28, 35, 42, 0.62) 60%, rgba(255, 78, 30, 0.28) 100%);
    }
    .page-hero .container {
        position: relative;
        z-index: 2;
    }
    .page-hero-inner {
        display: grid;
        grid-template-columns: 1fr 1fr;
        gap: 48px;
        align-items: center;
    }
    .page-hero-left h1 {
        font-size: clamp(2.2rem, 4.5vw, 3.2rem);
        font-weight: 900;
        line-height: 1.18;
        margin: 0 0 20px;
        color: #fff;
    }
    .page-hero-left h1 em {
        font-style: normal;
        color: var(--color-accent);
    }
    .page-hero-left .lead {
        font-size: 1.05rem;
        line-height: 1.8;
        color: rgba(245, 246, 248, 0.8);
        margin: 0 0 28px;
        max-width: 540px;
    }
    .hero-actions {
        display: flex;
        gap: 14px;
        flex-wrap: wrap;
    }
    .btn {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-weight: 700;
        font-size: 0.95rem;
        padding: 14px 26px;
        border-radius: var(--radius-pill);
        transition: all var(--transition-med);
        white-space: nowrap;
    }
    .btn--primary {
        background: var(--gradient-primary-btn);
        color: #fff;
        box-shadow: var(--shadow-btn);
    }
    .btn--primary:hover {
        transform: translateY(-2px);
        box-shadow: 0 16px 36px -8px rgba(255, 78, 30, 0.6);
        color: #fff;
    }
    .btn--outline {
        border: 2px solid rgba(255, 255, 255, 0.35);
        color: #fff;
        background: transparent;
    }
    .btn--outline:hover {
        border-color: var(--color-accent);
        color: var(--color-accent);
        background: rgba(200, 255, 46, 0.08);
        transform: translateY(-2px);
    }
    .btn--dark-outline {
        border: 2px solid var(--color-dark-3);
        color: var(--color-dark);
        background: transparent;
    }
    .btn--dark-outline:hover {
        border-color: var(--color-primary);
        color: var(--color-primary);
        background: var(--color-primary-soft);
        transform: translateY(-2px);
    }
    .hero-metrics {
        display: grid;
        grid-template-columns: repeat(2, 1fr);
        gap: 14px;
        margin-top: 32px;
        max-width: 480px;
    }
    .metric-chip {
        display: flex;
        align-items: center;
        gap: 10px;
        background: rgba(255, 255, 255, 0.08);
        border: 1px solid rgba(200, 255, 46, 0.25);
        border-radius: var(--radius-md);
        padding: 12px 16px;
        backdrop-filter: blur(6px);
        transition: all var(--transition-med);
    }
    .metric-chip:hover {
        background: rgba(255, 255, 255, 0.14);
        border-color: var(--color-accent);
        transform: translateY(-2px);
    }
    .metric-chip .dot {
        width: 8px;
        height: 8px;
        background: var(--color-accent);
        border-radius: 50%;
        flex-shrink: 0;
    }
    .metric-chip .metric-value {
        font-family: var(--font-condensed);
        font-size: 1.3rem;
        font-weight: 900;
        color: #fff;
        letter-spacing: 0.03em;
    }
    .metric-chip .metric-label {
        font-size: 0.78rem;
        color: rgba(245, 246, 248, 0.7);
    }
    .score-board-panel {
        background: rgba(255, 255, 255, 0.06);
        border: 1px solid rgba(200, 255, 46, 0.2);
        border-radius: var(--radius-xl);
        padding: 28px;
        backdrop-filter: blur(10px);
        box-shadow: 0 30px 60px -20px rgba(0, 0, 0, 0.5);
    }
    .score-board-panel .panel-title {
        font-size: 0.82rem;
        font-weight: 700;
        letter-spacing: 0.06em;
        color: var(--color-accent);
        text-transform: uppercase;
        margin-bottom: 18px;
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .score-board-panel .panel-title::before {
        content: '';
        width: 8px;
        height: 8px;
        background: var(--color-accent);
        border-radius: 50%;
        animation: pulse-dot 1.5s ease infinite;
    }
    @keyframes pulse-dot {
        0%, 100% { opacity: 1; transform: scale(1); }
        50% { opacity: 0.5; transform: scale(0.8); }
    }
    .live-match-row {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 14px 0;
        border-bottom: 1px solid rgba(255, 255, 255, 0.1);
    }
    .live-match-row:last-child {
        border-bottom: none;
    }
    .live-match-row .teams {
        font-weight: 700;
        font-size: 0.92rem;
        color: #fff;
        flex: 1;
    }
    .live-match-row .score {
        font-family: var(--font-condensed);
        font-size: 1.4rem;
        font-weight: 900;
        color: var(--color-accent);
        min-width: 56px;
        text-align: center;
    }
    .live-match-row .status {
        font-size: 0.72rem;
        font-weight: 600;
        color: var(--color-accent);
        background: rgba(200, 255, 46, 0.15);
        padding: 4px 10px;
        border-radius: var(--radius-pill);
    }

    /* service cards */
    .service-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
    .service-card {
        background: var(--color-white);
        border-radius: var(--radius-lg);
        padding: 28px 24px;
        box-shadow: var(--shadow-card);
        border: 1px solid var(--color-border-light);
        transition: all var(--transition-med);
        position: relative;
        overflow: hidden;
    }
    .service-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        right: 0;
        height: 4px;
        background: var(--gradient-accent);
        border-radius: var(--radius-lg) var(--radius-lg) 0 0;
        opacity: 0;
        transition: opacity var(--transition-med);
    }
    .service-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-card-hover);
        border-color: rgba(255, 78, 30, 0.3);
    }
    .service-card:hover::before {
        opacity: 1;
    }
    .service-card .icon {
        width: 48px;
        height: 48px;
        background: var(--color-primary-soft);
        border-radius: var(--radius-md);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 1.4rem;
        margin-bottom: 18px;
    }
    .service-card h3 {
        font-size: 1.15rem;
        font-weight: 800;
        margin: 0 0 12px;
    }
    .service-card p {
        font-size: 0.92rem;
        color: var(--color-text-muted);
        margin: 0;
        line-height: 1.7;
    }

    /* match feed */
    .match-feed-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 24px;
    }
    .match-card {
        background: var(--color-white);
        border-radius: var(--radius-lg);
        overflow: hidden;
        box-shadow: var(--shadow-card);
        border: 1px solid var(--color-border-light);
        transition: all var(--transition-med);
    }
    .match-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-card-hover);
    }
    .match-card .thumb {
        position: relative;
        aspect-ratio: 16 / 9;
        overflow: hidden;
    }
    .match-card .thumb img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform var(--transition-slow);
    }
    .match-card:hover .thumb img {
        transform: scale(1.05);
    }
    .match-card .thumb::after {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(to top, rgba(11, 15, 20, 0.6) 0%, transparent 50%);
    }
    .match-card .badge {
        position: absolute;
        top: 14px;
        left: 14px;
        z-index: 2;
        background: var(--color-primary);
        color: #fff;
        font-size: 0.72rem;
        font-weight: 700;
        padding: 4px 12px;
        border-radius: var(--radius-pill);
        letter-spacing: 0.04em;
    }
    .match-card .card-body {
        padding: 20px 22px 24px;
    }
    .match-card .date {
        font-size: 0.78rem;
        color: var(--color-primary);
        font-weight: 700;
        letter-spacing: 0.03em;
        margin-bottom: 8px;
    }
    .match-card h3 {
        font-size: 1.05rem;
        font-weight: 800;
        margin: 0 0 10px;
        line-height: 1.4;
    }
    .match-card .summary {
        font-size: 0.88rem;
        color: var(--color-text-muted);
        margin: 0 0 16px;
        line-height: 1.7;
    }
    .match-card .read-more {
        font-size: 0.85rem;
        font-weight: 700;
        color: var(--color-primary);
        display: inline-flex;
        align-items: center;
        gap: 6px;
        transition: gap var(--transition-fast);
    }
    .match-card .read-more:hover {
        gap: 10px;
    }
    .match-card .read-more .arrow {
        font-weight: 900;
        font-size: 1.1rem;
        line-height: 1;
    }

    /* scenario */
    .scenario-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
    }
    .scenario-item {
        background: var(--color-white);
        border-radius: var(--radius-lg);
        padding: 26px 22px;
        text-align: center;
        box-shadow: var(--shadow-card);
        border: 1px solid var(--color-border-light);
        transition: all var(--transition-med);
    }
    .scenario-item:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-card-hover);
    }
    .scenario-item .step-num {
        font-family: var(--font-condensed);
        font-size: 2.4rem;
        font-weight: 900;
        color: var(--color-primary);
        line-height: 1;
        margin-bottom: 10px;
    }
    .scenario-item h4 {
        font-size: 0.98rem;
        font-weight: 800;
        margin: 0 0 8px;
    }
    .scenario-item p {
        font-size: 0.82rem;
        color: var(--color-text-muted);
        margin: 0;
        line-height: 1.6;
    }

    /* steps */
    .steps-grid {
        display: grid;
        grid-template-columns: repeat(4, 1fr);
        gap: 20px;
        counter-reset: step;
    }
    .step-card {
        background: var(--color-white);
        border-radius: var(--radius-lg);
        padding: 24px 20px;
        text-align: center;
        box-shadow: var(--shadow-card);
        border: 1px solid var(--color-border-light);
        position: relative;
        transition: all var(--transition-med);
    }
    .step-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-card-hover);
    }
    .step-card .step-circle {
        width: 48px;
        height: 48px;
        background: var(--gradient-primary-btn);
        color: #fff;
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        font-family: var(--font-condensed);
        font-size: 1.3rem;
        font-weight: 900;
        margin: 0 auto 16px;
        box-shadow: var(--shadow-btn);
    }
    .step-card h4 {
        font-size: 0.98rem;
        font-weight: 800;
        margin: 0 0 8px;
    }
    .step-card p {
        font-size: 0.82rem;
        color: var(--color-text-muted);
        margin: 0;
        line-height: 1.6;
    }

    /* faq */
    .faq-list {
        max-width: 800px;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        gap: 14px;
    }
    .faq-item {
        background: var(--color-white);
        border-radius: var(--radius-md);
        border: 1px solid var(--color-border-light);
        box-shadow: 0 6px 18px -8px rgba(0, 0, 0, 0.08);
        overflow: hidden;
        transition: all var(--transition-med);
    }
    .faq-item.active {
        border-color: rgba(255, 78, 30, 0.4);
        box-shadow: 0 10px 28px -10px rgba(255, 78, 30, 0.25);
    }
    .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(--color-text);
        transition: color var(--transition-fast);
        user-select: none;
    }
    .faq-question:hover {
        color: var(--color-primary);
    }
    .faq-question .faq-icon {
        width: 28px;
        height: 28px;
        background: var(--color-primary-soft);
        border-radius: 50%;
        display: flex;
        align-items: center;
        justify-content: center;
        flex-shrink: 0;
        transition: transform var(--transition-med);
        font-size: 1.1rem;
        font-weight: 900;
        color: var(--color-primary);
    }
    .faq-item.active .faq-icon {
        transform: rotate(45deg);
    }
    .faq-answer {
        max-height: 0;
        overflow: hidden;
        transition: max-height var(--transition-med), padding var(--transition-med);
        padding: 0 22px;
    }
    .faq-item.active .faq-answer {
        max-height: 400px;
        padding: 0 22px 18px;
    }
    .faq-answer p {
        font-size: 0.9rem;
        color: var(--color-text-muted);
        margin: 0;
        line-height: 1.7;
    }

    /* CTA */
    .cta-box {
        background: var(--gradient-dark-section);
        border-radius: var(--radius-xl);
        padding: 56px 48px;
        text-align: center;
        color: #fff;
        position: relative;
        overflow: hidden;
    }
    .cta-box::before {
        content: '';
        position: absolute;
        top: -50%;
        right: -20%;
        width: 500px;
        height: 500px;
        background: radial-gradient(circle, rgba(255, 78, 30, 0.3) 0%, transparent 65%);
        border-radius: 50%;
    }
    .cta-box::after {
        content: '';
        position: absolute;
        bottom: -30%;
        left: -10%;
        width: 400px;
        height: 400px;
        background: radial-gradient(circle, rgba(200, 255, 46, 0.18) 0%, transparent 65%);
        border-radius: 50%;
    }
    .cta-box .cta-content {
        position: relative;
        z-index: 2;
    }
    .cta-box h2 {
        font-size: clamp(1.6rem, 3vw, 2.3rem);
        font-weight: 900;
        margin: 0 0 16px;
    }
    .cta-box p {
        font-size: 1rem;
        color: rgba(245, 246, 248, 0.75);
        margin: 0 auto 28px;
        max-width: 600px;
        line-height: 1.7;
    }
    .cta-box .hero-actions {
        justify-content: center;
    }

    /* footer */
    .site-footer {
        background: var(--color-dark);
        color: var(--color-text-invert);
        padding: 56px 0 28px;
        margin-top: 0;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: 40px;
        margin-bottom: 40px;
    }
    .footer-brand p {
        font-size: 0.88rem;
        color: rgba(245, 246, 248, 0.6);
        margin: 16px 0 0;
        max-width: 320px;
        line-height: 1.7;
    }
    .footer-logo {
        font-family: var(--font-condensed);
        font-size: 1.4rem;
        font-weight: 900;
        color: #fff;
        display: flex;
        align-items: center;
        gap: 10px;
    }
    .footer-logo .logo-icon {
        width: 36px;
        height: 36px;
        background: var(--gradient-accent);
        color: #fff;
        border-radius: 10px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 0.95rem;
        font-weight: 900;
        font-family: var(--font-condensed);
    }
    .footer-col h4 {
        font-size: 0.92rem;
        font-weight: 800;
        color: #fff;
        margin: 0 0 16px;
        letter-spacing: 0.04em;
    }
    .footer-col ul {
        list-style: none;
        margin: 0;
        padding: 0;
    }
    .footer-col ul li {
        margin-bottom: 10px;
    }
    .footer-col ul li a {
        font-size: 0.88rem;
        color: rgba(245, 246, 248, 0.6);
        transition: color var(--transition-fast);
    }
    .footer-col ul li a:hover {
        color: var(--color-accent);
    }
    .footer-bottom {
        border-top: 1px solid rgba(255, 255, 255, 0.1);
        padding-top: 24px;
        display: flex;
        flex-wrap: wrap;
        gap: 16px;
        align-items: center;
        justify-content: space-between;
        font-size: 0.78rem;
        color: rgba(245, 246, 248, 0.45);
    }
    .footer-links-inline {
        display: flex;
        gap: 12px;
        align-items: center;
    }
    .footer-links-inline a {
        color: rgba(245, 246, 248, 0.55);
    }
    .footer-links-inline a:hover {
        color: var(--color-accent);
    }

    /* mobile nav overlay */
    .nav-mobile-overlay {
        position: fixed;
        inset: 0;
        background: rgba(11, 15, 20, 0.97);
        z-index: 1001;
        display: none;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 24px;
        opacity: 0;
        transition: opacity var(--transition-med);
    }
    .nav-mobile-overlay.open {
        display: flex;
        opacity: 1;
    }
    .nav-mobile-overlay a {
        font-size: 1.3rem;
        font-weight: 700;
        color: #fff;
        padding: 10px 20px;
        border-radius: var(--radius-pill);
    }
    .nav-mobile-overlay a:hover {
        color: var(--color-accent);
        background: rgba(200, 255, 46, 0.1);
    }
    .nav-mobile-overlay .nav-cta {
        background: var(--gradient-primary-btn);
        color: #fff;
        font-size: 1rem;
        padding: 14px 28px;
    }
    .nav-mobile-overlay .nav-cta:hover {
        color: #fff;
        background: var(--gradient-primary-btn);
    }

    /* responsive */
    @media (max-width: 1024px) {
        .page-hero-inner {
            grid-template-columns: 1fr;
            gap: 32px;
        }
        .score-board-panel {
            max-width: 540px;
        }
        .match-feed-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .service-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .scenario-grid {
            grid-template-columns: repeat(2, 1fr);
        }
        .steps-grid {
            grid-template-columns: repeat(2, 1fr);
            gap: 16px;
        }
        .footer-grid {
            grid-template-columns: 2fr 1fr 1fr;
        }
    }
    @media (max-width: 768px) {
        .nav-left, .nav-right {
            display: none;
        }
        .nav-toggle {
            display: flex;
        }
        .nav-wrap {
            justify-content: space-between;
        }
        .nav-logo {
            position: absolute;
            left: 50%;
            transform: translateX(-50%);
        }
        .match-feed-grid {
            grid-template-columns: 1fr;
        }
        .service-grid {
            grid-template-columns: 1fr;
        }
        .scenario-grid {
            grid-template-columns: 1fr;
        }
        .steps-grid {
            grid-template-columns: 1fr;
        }
        .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 28px;
        }
        .section {
            padding-top: var(--section-gap-mobile);
            padding-bottom: var(--section-gap-mobile);
        }
        .page-hero {
            padding: 48px 0 56px;
        }
        .cta-box {
            padding: 40px 24px;
        }
        .hero-metrics {
            grid-template-columns: 1fr;
        }
        .footer-bottom {
            flex-direction: column;
            align-items: flex-start;
        }
    }
    @media (max-width: 520px) {
        .hero-actions {
            flex-direction: column;
            width: 100%;
        }
        .hero-actions .btn {
            width: 100%;
            justify-content: center;
        }
        .match-card .card-body {
            padding: 16px 18px 20px;
        }
        .footer-grid {
            grid-template-columns: 1fr;
        }
        .section-title {
            font-size: 1.5rem;
        }
        .page-hero-left h1 {
            font-size: 1.8rem;
        }
    }

/* roulang page: category4 */
:root {
            --color-primary: #FF4E1E;
            --color-primary-strong: #E03C0F;
            --color-primary-soft: rgba(255, 78, 30, 0.12);
            --color-accent: #C8FF2E;
            --color-accent-dark: #96C914;
            --color-dark: #0B0F14;
            --color-dark-2: #121920;
            --color-dark-3: #1C232A;
            --color-dark-4: #242D36;
            --color-light: #F5F6F8;
            --color-white: #FFFFFF;
            --color-text: #1C232A;
            --color-text-soft: #4A5560;
            --color-text-muted: #7A8694;
            --color-text-invert: #F5F6F8;
            --color-border: #DCE0E6;
            --color-border-light: #EAEDF2;
            --color-error: #D42C2C;
            --gradient-brand: linear-gradient(135deg, #0B0F14 0%, #1C232A 42%, #FF4E1E 100%);
            --gradient-accent: linear-gradient(90deg, #FFB800 0%, #FF4E1E 100%);
            --gradient-primary-btn: linear-gradient(90deg, #FFB800 0%, #FF4E1E 100%);
            --gradient-dark-section: linear-gradient(160deg, #0B0F14 0%, #1C232A 52%, #2A130E 100%);
            --shadow-card: 0 18px 40px -20px rgba(0, 0, 0, 0.25);
            --shadow-card-hover: 0 24px 60px -24px rgba(255, 78, 30, 0.35);
            --shadow-btn: 0 10px 24px -8px rgba(255, 78, 30, 0.45);
            --shadow-nav: 0 6px 24px -8px rgba(0, 0, 0, 0.16);
            --radius-sm: 12px;
            --radius-md: 18px;
            --radius-lg: 24px;
            --radius-xl: 32px;
            --radius-pill: 999px;
            --font-sans: 'Inter', 'PingFang SC', 'Source Han Sans SC', 'Noto Sans SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, sans-serif;
            --font-condensed: 'Barlow Condensed', 'Oswald', 'DIN Condensed', 'Inter', sans-serif;
            --container-max: 1200px;
            --container-pad: 24px;
            --section-gap: 76px;
            --section-gap-mobile: 48px;
            --transition-fast: 0.18s ease;
            --transition-med: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
        }

        *,
        *::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: 1.8;
            color: var(--color-text);
            background-color: var(--color-white);
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            overflow-x: hidden;
        }

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

        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast), opacity var(--transition-fast), text-decoration-color var(--transition-fast);
        }
        a:hover {
            color: var(--color-primary);
        }
        a:focus-visible {
            outline: 3px solid rgba(255, 78, 30, 0.5);
            outline-offset: 2px;
            border-radius: 4px;
        }

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            line-height: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
            color: inherit;
        }
        button:focus-visible {
            outline: 3px solid rgba(255, 78, 30, 0.5);
            outline-offset: 2px;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: var(--container-pad);
            padding-right: var(--container-pad);
            width: 100%;
        }

        .section {
            padding-top: var(--section-gap);
            padding-bottom: var(--section-gap);
        }
        .section--dark {
            background: var(--gradient-dark-section);
            color: var(--color-text-invert);
        }
        .section--light {
            background: var(--color-light);
        }
        .section--white {
            background: var(--color-white);
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--color-primary-soft);
            color: var(--color-primary);
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.05em;
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            margin-bottom: 16px;
            text-transform: uppercase;
        }
        .section-tag--light {
            background: rgba(200, 255, 46, 0.15);
            color: var(--color-accent);
        }
        .section-tag .dot {
            width: 6px;
            height: 6px;
            background: var(--color-accent);
            border-radius: 50%;
            display: inline-block;
        }
        .section-tag .dot--orange {
            background: var(--color-primary);
        }

        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            box-shadow: var(--shadow-nav);
            border-bottom: 1px solid var(--color-border-light);
            transition: background var(--transition-med), box-shadow var(--transition-med);
        }
        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.98);
            box-shadow: 0 10px 30px -12px rgba(0, 0, 0, 0.18);
        }
        .nav-wrap {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            min-height: 74px;
            position: relative;
        }
        .nav-left,
        .nav-right {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
        }
        .nav-left {
            justify-content: flex-end;
            padding-right: 12px;
        }
        .nav-right {
            justify-content: flex-start;
            padding-left: 12px;
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-condensed);
            font-weight: 900;
            font-size: 24px;
            letter-spacing: 0.02em;
            color: var(--color-dark);
            white-space: nowrap;
            transition: color var(--transition-fast);
        }
        .nav-logo:hover {
            color: var(--color-primary);
        }
        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 42px;
            height: 42px;
            background: var(--gradient-primary-btn);
            color: var(--color-white);
            font-family: var(--font-condensed);
            font-weight: 900;
            font-size: 16px;
            border-radius: var(--radius-md);
            letter-spacing: 0;
            box-shadow: var(--shadow-btn);
            flex-shrink: 0;
        }
        .nav-link {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text-soft);
            padding: 8px 14px;
            border-radius: var(--radius-pill);
            transition: color var(--transition-fast), background var(--transition-fast);
            white-space: nowrap;
        }
        .nav-link:hover {
            color: var(--color-primary);
            background: var(--color-primary-soft);
        }
        .nav-link.active {
            color: var(--color-primary);
            background: var(--color-primary-soft);
        }
        .nav-cta {
            font-size: 14px;
            font-weight: 700;
            color: var(--color-white);
            background: var(--gradient-primary-btn);
            padding: 10px 22px;
            border-radius: var(--radius-pill);
            white-space: nowrap;
            box-shadow: var(--shadow-btn);
            transition: transform var(--transition-fast), box-shadow var(--transition-fast);
        }
        .nav-cta:hover {
            color: var(--color-white);
            transform: translateY(-1px);
            box-shadow: 0 14px 30px -8px rgba(255, 78, 30, 0.5);
        }
        .nav-toggle {
            display: none;
            flex-direction: column;
            gap: 5px;
            padding: 8px;
            background: transparent;
            border-radius: var(--radius-sm);
            transition: background var(--transition-fast);
        }
        .nav-toggle:hover {
            background: var(--color-light);
        }
        .nav-toggle span {
            display: block;
            width: 26px;
            height: 2px;
            background: var(--color-dark);
            border-radius: 2px;
            transition: transform var(--transition-med), opacity var(--transition-med);
        }
        .nav-toggle.open span:nth-child(1) {
            transform: translateY(7px) rotate(45deg);
        }
        .nav-toggle.open span:nth-child(2) {
            opacity: 0;
        }
        .nav-toggle.open span:nth-child(3) {
            transform: translateY(-7px) rotate(-45deg);
        }

        /* Hero */
        .hero {
            position: relative;
            min-height: 620px;
            background: linear-gradient(135deg, rgba(11, 15, 20, 0.88) 0%, rgba(28, 35, 42, 0.82) 45%, rgba(255, 78, 30, 0.65) 100%),
                url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            display: flex;
            align-items: center;
            padding-top: 80px;
            padding-bottom: 80px;
            overflow: hidden;
            color: var(--color-text-invert);
        }
        .hero::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            right: 0;
            height: 180px;
            background: linear-gradient(180deg, transparent 0%, rgba(11, 15, 20, 0.45) 100%);
            pointer-events: none;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            max-width: 760px;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            background: rgba(200, 255, 46, 0.15);
            border: 1px solid rgba(200, 255, 46, 0.35);
            color: var(--color-accent);
            font-size: 14px;
            font-weight: 700;
            padding: 8px 20px;
            border-radius: var(--radius-pill);
            margin-bottom: 24px;
            letter-spacing: 0.04em;
        }
        .hero-badge .pulse-dot {
            width: 8px;
            height: 8px;
            background: var(--color-accent);
            border-radius: 50%;
            animation: pulse 1.6s infinite;
        }
        @keyframes pulse {
            0%, 100% { opacity: 1; transform: scale(1); }
            50% { opacity: 0.5; transform: scale(1.3); }
        }
        .hero h1 {
            font-family: var(--font-condensed);
            font-weight: 900;
            font-size: 52px;
            line-height: 1.15;
            letter-spacing: 0.01em;
            color: var(--color-white);
            margin-bottom: 24px;
        }
        .hero h1 .highlight {
            color: var(--color-accent);
            position: relative;
        }
        .hero-sub {
            font-size: 18px;
            line-height: 1.9;
            color: rgba(245, 246, 248, 0.82);
            max-width: 600px;
            margin-bottom: 36px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            align-items: center;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-weight: 700;
            font-size: 15px;
            padding: 14px 30px;
            border-radius: var(--radius-pill);
            transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), color var(--transition-fast);
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-primary {
            background: var(--gradient-primary-btn);
            color: var(--color-white);
            box-shadow: var(--shadow-btn);
        }
        .btn-primary:hover {
            color: var(--color-white);
            transform: translateY(-2px);
            box-shadow: 0 16px 36px -8px rgba(255, 78, 30, 0.55);
        }
        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 8px 20px -8px rgba(255, 78, 30, 0.4);
        }
        .btn-secondary {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(245, 246, 248, 0.5);
            color: var(--color-text-invert);
            backdrop-filter: blur(8px);
        }
        .btn-secondary:hover {
            background: rgba(255, 255, 255, 0.18);
            color: var(--color-white);
            transform: translateY(-2px);
        }
        .btn-sm {
            font-size: 14px;
            padding: 10px 22px;
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 28px;
            margin-top: 40px;
            padding-top: 28px;
            border-top: 1px solid rgba(245, 246, 248, 0.2);
            position: relative;
            z-index: 2;
        }
        .hero-stat {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }
        .hero-stat-number {
            font-family: var(--font-condensed);
            font-weight: 900;
            font-size: 36px;
            line-height: 1.1;
            color: var(--color-accent);
        }
        .hero-stat-label {
            font-size: 13px;
            color: rgba(245, 246, 248, 0.7);
            letter-spacing: 0.03em;
        }

        /* Breadcrumb */
        .breadcrumb-wrap {
            background: var(--color-light);
            border-bottom: 1px solid var(--color-border-light);
            padding: 16px 0;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            color: var(--color-text-muted);
            flex-wrap: wrap;
        }
        .breadcrumb a {
            color: var(--color-text-soft);
        }
        .breadcrumb a:hover {
            color: var(--color-primary);
        }
        .breadcrumb .sep {
            color: var(--color-text-muted);
            opacity: 0.6;
        }
        .breadcrumb .current {
            color: var(--color-primary);
            font-weight: 600;
        }

        /* Section titles */
        .section-head {
            margin-bottom: 40px;
        }
        .section-head h2 {
            font-family: var(--font-condensed);
            font-weight: 900;
            font-size: 36px;
            line-height: 1.2;
            color: var(--color-dark);
            letter-spacing: 0.02em;
            margin-bottom: 12px;
        }
        .section-head p {
            font-size: 17px;
            color: var(--color-text-soft);
            max-width: 720px;
            line-height: 1.9;
        }
        .section-head--light h2 {
            color: var(--color-white);
        }
        .section-head--light p {
            color: rgba(245, 246, 248, 0.75);
        }

        /* Cards */
        .cards-grid {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(300px, 1fr));
            gap: 28px;
        }
        .card {
            background: var(--color-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            overflow: hidden;
            transition: transform var(--transition-med), box-shadow var(--transition-med);
            border: 1px solid var(--color-border-light);
            display: flex;
            flex-direction: column;
        }
        .card:hover {
            transform: translateY(-5px);
            box-shadow: var(--shadow-card-hover);
        }
        .card-img-wrap {
            position: relative;
            padding-top: 56.25%;
            overflow: hidden;
        }
        .card-img-wrap img {
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform var(--transition-slow);
        }
        .card:hover .card-img-wrap img {
            transform: scale(1.05);
        }
        .card-img-wrap .badge {
            position: absolute;
            top: 16px;
            left: 16px;
            background: rgba(11, 15, 20, 0.8);
            backdrop-filter: blur(8px);
            color: var(--color-accent);
            font-size: 12px;
            font-weight: 700;
            padding: 5px 13px;
            border-radius: var(--radius-pill);
            letter-spacing: 0.04em;
        }
        .card-body {
            padding: 24px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .card-body .date {
            font-size: 13px;
            color: var(--color-text-muted);
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .card-body .date::before {
            content: '';
            width: 5px;
            height: 5px;
            background: var(--color-primary);
            border-radius: 50%;
        }
        .card-body h3 {
            font-family: var(--font-condensed);
            font-weight: 900;
            font-size: 21px;
            line-height: 1.35;
            color: var(--color-dark);
            margin-bottom: 12px;
            letter-spacing: 0.01em;
        }
        .card-body p {
            font-size: 15px;
            line-height: 1.8;
            color: var(--color-text-soft);
            flex: 1;
            margin-bottom: 18px;
        }
        .card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 700;
            color: var(--color-primary);
            transition: gap var(--transition-fast), color var(--transition-fast);
        }
        .card-link:hover {
            color: var(--color-primary-strong);
            gap: 10px;
        }
        .card-link .arrow {
            font-size: 18px;
            line-height: 1;
        }

        /* Feature rows */
        .feature-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
        }
        .feature-row .feature-text h2 {
            font-family: var(--font-condensed);
            font-weight: 900;
            font-size: 32px;
            line-height: 1.25;
            color: var(--color-dark);
            margin-bottom: 16px;
            letter-spacing: 0.01em;
        }
        .feature-row .feature-text p {
            font-size: 16px;
            line-height: 1.9;
            color: var(--color-text-soft);
            margin-bottom: 16px;
        }
        .feature-row .feature-text ul {
            list-style: none;
            padding: 0;
            margin-top: 16px;
        }
        .feature-row .feature-text ul li {
            position: relative;
            padding-left: 28px;
            font-size: 15px;
            line-height: 1.8;
            color: var(--color-text-soft);
            margin-bottom: 10px;
        }
        .feature-row .feature-text ul li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--color-primary);
            font-weight: 700;
            font-size: 15px;
        }
        .feature-img {
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            position: relative;
        }
        .feature-img img {
            width: 100%;
            object-fit: cover;
            aspect-ratio: 4/3;
        }

        /* Process */
        .process-steps {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(220px, 1fr));
            gap: 24px;
            margin-top: 32px;
        }
        .process-step {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(245, 246, 248, 0.15);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: background var(--transition-fast), border-color var(--transition-fast);
        }
        .process-step:hover {
            background: rgba(255, 255, 255, 0.1);
            border-color: rgba(200, 255, 46, 0.4);
        }
        .step-number {
            font-family: var(--font-condensed);
            font-weight: 900;
            font-size: 48px;
            line-height: 1;
            color: var(--color-accent);
            margin-bottom: 12px;
        }
        .process-step h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 8px;
        }
        .process-step p {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(245, 246, 248, 0.7);
        }

        /* Data badges */
        .badge-wall {
            display: flex;
            flex-wrap: wrap;
            gap: 20px;
            margin-top: 32px;
        }
        .data-badge {
            display: inline-flex;
            align-items: center;
            gap: 12px;
            background: var(--color-white);
            border: 1px solid var(--color-border);
            border-radius: var(--radius-pill);
            padding: 14px 28px;
            box-shadow: 0 4px 16px -6px rgba(0, 0, 0, 0.08);
            transition: transform var(--transition-fast), box-shadow var(--transition-fast);
            cursor: default;
        }
        .data-badge:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 28px -10px rgba(255, 78, 30, 0.25);
        }
        .data-badge .badge-dot {
            width: 8px;
            height: 8px;
            background: var(--color-accent-dark);
            border-radius: 50%;
            flex-shrink: 0;
        }
        .data-badge .badge-number {
            font-family: var(--font-condensed);
            font-weight: 900;
            font-size: 32px;
            line-height: 1;
            color: var(--color-dark);
        }
        .data-badge .badge-unit {
            font-size: 14px;
            font-weight: 600;
            color: var(--color-text-soft);
        }
        .data-badge .badge-label {
            font-size: 13px;
            color: var(--color-text-muted);
            margin-left: 4px;
        }

        /* FAQ */
        .faq-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
            max-width: 860px;
        }
        .faq-item {
            background: var(--color-white);
            border: 1px solid var(--color-border-light);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
        }
        .faq-item:hover {
            border-color: rgba(255, 78, 30, 0.3);
        }
        .faq-item.open {
            border-color: rgba(255, 78, 30, 0.5);
            box-shadow: 0 8px 28px -12px rgba(255, 78, 30, 0.2);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            cursor: pointer;
            font-weight: 700;
            font-size: 16px;
            color: var(--color-dark);
            user-select: none;
            transition: color var(--transition-fast);
        }
        .faq-question:hover {
            color: var(--color-primary);
        }
        .faq-icon {
            width: 24px;
            height: 24px;
            border-radius: 50%;
            background: var(--color-primary-soft);
            color: var(--color-primary);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            font-weight: 700;
            flex-shrink: 0;
            transition: transform var(--transition-med), background var(--transition-med), color var(--transition-med);
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: var(--color-primary);
            color: var(--color-white);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-slow), padding var(--transition-slow);
            padding: 0 24px;
        }
        .faq-item.open .faq-answer {
            max-height: 500px;
            padding: 0 24px 20px;
        }
        .faq-answer p {
            font-size: 15px;
            line-height: 1.9;
            color: var(--color-text-soft);
        }

        /* CTA */
        .cta-card {
            background: var(--gradient-brand);
            border-radius: var(--radius-xl);
            padding: 56px 48px;
            text-align: center;
            position: relative;
            overflow: hidden;
            color: var(--color-text-invert);
        }
        .cta-card::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 280px;
            height: 280px;
            background: radial-gradient(circle, rgba(200, 255, 46, 0.25) 0%, transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-card::after {
            content: '';
            position: absolute;
            bottom: -100px;
            left: -60px;
            width: 300px;
            height: 300px;
            background: radial-gradient(circle, rgba(255, 78, 30, 0.3) 0%, transparent 65%);
            border-radius: 50%;
            pointer-events: none;
        }
        .cta-card h2 {
            font-family: var(--font-condensed);
            font-weight: 900;
            font-size: 36px;
            line-height: 1.2;
            color: var(--color-white);
            margin-bottom: 16px;
            position: relative;
            z-index: 1;
        }
        .cta-card p {
            font-size: 17px;
            line-height: 1.9;
            color: rgba(245, 246, 248, 0.75);
            max-width: 600px;
            margin: 0 auto 28px;
            position: relative;
            z-index: 1;
        }
        .cta-card .hero-actions {
            justify-content: center;
            position: relative;
            z-index: 1;
        }

        /* Footer */
        .site-footer {
            background: var(--color-dark);
            color: rgba(245, 246, 248, 0.7);
            padding-top: 48px;
            padding-bottom: 24px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            padding-bottom: 32px;
            border-bottom: 1px solid rgba(245, 246, 248, 0.1);
        }
        .footer-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: var(--font-condensed);
            font-weight: 900;
            font-size: 22px;
            color: var(--color-white);
            margin-bottom: 12px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            margin-bottom: 16px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: var(--color-white);
            margin-bottom: 16px;
            letter-spacing: 0.03em;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: rgba(245, 246, 248, 0.65);
            transition: color var(--transition-fast);
        }
        .footer-col ul li a:hover {
            color: var(--color-accent);
        }
        .footer-bottom {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding-top: 20px;
            font-size: 13px;
            color: rgba(245, 246, 248, 0.5);
        }
        .footer-links-inline {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-links-inline a {
            color: rgba(245, 246, 248, 0.65);
        }
        .footer-links-inline a:hover {
            color: var(--color-accent);
        }

        /* Mobile nav overlay */
        .mobile-overlay {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(11, 15, 20, 0.96);
            z-index: 99;
            display: flex;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 20px;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-med);
        }
        .mobile-overlay.open {
            opacity: 1;
            pointer-events: auto;
        }
        .mobile-overlay .nav-link,
        .mobile-overlay .nav-cta {
            font-size: 20px;
            color: var(--color-white);
            padding: 12px 24px;
            text-align: center;
        }
        .mobile-overlay .nav-cta {
            background: var(--gradient-primary-btn);
            margin-top: 12px;
        }
        .mobile-overlay .nav-link.active {
            color: var(--color-accent);
            background: rgba(200, 255, 46, 0.1);
        }
        .mobile-close {
            position: absolute;
            top: 24px;
            right: 24px;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            color: var(--color-white);
            font-size: 24px;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: background var(--transition-fast);
        }
        .mobile-close:hover {
            background: rgba(255, 255, 255, 0.2);
        }

        /* Responsive */
        @media (max-width: 1024px) {
            .nav-left,
            .nav-right {
                gap: 4px;
            }
            .nav-link {
                font-size: 13px;
                padding: 8px 10px;
            }
            .hero h1 {
                font-size: 42px;
            }
            .feature-row {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }
        @media (max-width: 768px) {
            :root {
                --section-gap: 48px;
                --section-gap-mobile: 36px;
            }
            .nav-toggle {
                display: flex;
            }
            .nav-left,
            .nav-right {
                display: none;
            }
            .nav-wrap {
                justify-content: space-between;
            }
            .nav-logo {
                font-size: 20px;
            }
            .logo-icon {
                width: 36px;
                height: 36px;
                font-size: 14px;
            }
            .hero {
                min-height: auto;
                padding-top: 60px;
                padding-bottom: 60px;
            }
            .hero h1 {
                font-size: 34px;
            }
            .hero-sub {
                font-size: 16px;
            }
            .hero-stats {
                gap: 20px;
            }
            .hero-stat-number {
                font-size: 28px;
            }
            .cards-grid {
                grid-template-columns: 1fr;
            }
            .section-head h2 {
                font-size: 28px;
            }
            .feature-row .feature-text h2 {
                font-size: 26px;
            }
            .cta-card {
                padding: 36px 24px;
            }
            .cta-card h2 {
                font-size: 28px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
            }
            .footer-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 10px;
            }
            .badge-wall {
                gap: 12px;
            }
            .data-badge {
                padding: 10px 20px;
            }
            .data-badge .badge-number {
                font-size: 24px;
            }
            .process-steps {
                grid-template-columns: 1fr;
            }
            .btn {
                padding: 12px 24px;
                font-size: 14px;
            }
        }
        @media (max-width: 520px) {
            .hero h1 {
                font-size: 28px;
            }
            .hero-actions {
                flex-direction: column;
                align-items: stretch;
            }
            .btn {
                justify-content: center;
            }
            .section-head h2 {
                font-size: 24px;
            }
            .cta-card h2 {
                font-size: 24px;
            }
            .breadcrumb {
                font-size: 12px;
            }
        }

/* roulang page: category3 */
:root {
  --color-primary: #FF4E1E;
  --color-primary-strong: #E03C0F;
  --color-primary-soft: rgba(255, 78, 30, 0.12);
  --color-accent: #C8FF2E;
  --color-accent-dark: #96C914;
  --color-dark: #0B0F14;
  --color-dark-2: #121920;
  --color-dark-3: #1C232A;
  --color-dark-4: #242D36;
  --color-light: #F5F6F8;
  --color-white: #FFFFFF;
  --color-text: #1C232A;
  --color-text-soft: #4A5560;
  --color-text-muted: #7A8694;
  --color-text-invert: #F5F6F8;
  --color-border: #DCE0E6;
  --color-border-light: #EAEDF2;
  --color-error: #D42C2C;
  --gradient-brand: linear-gradient(135deg, #0B0F14 0%, #1C232A 42%, #FF4E1E 100%);
  --gradient-accent: linear-gradient(90deg, #FFB800 0%, #FF4E1E 100%);
  --gradient-primary-btn: linear-gradient(90deg, #FFB800 0%, #FF4E1E 100%);
  --gradient-dark-section: linear-gradient(160deg, #0B0F14 0%, #1C232A 52%, #2A130E 100%);
  --shadow-card: 0 18px 40px -20px rgba(0, 0, 0, 0.25);
  --shadow-card-hover: 0 24px 60px -24px rgba(255, 78, 30, 0.35);
  --shadow-btn: 0 10px 24px -8px rgba(255, 78, 30, 0.45);
  --shadow-nav: 0 6px 24px -8px rgba(0, 0, 0, 0.16);
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-pill: 999px;
  --font-sans: 'Inter', 'PingFang SC', 'Source Han Sans SC', 'Noto Sans SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-condensed: 'Barlow Condensed', 'Oswald', 'DIN Condensed', 'Inter', sans-serif;
  --container-max: 1200px;
  --container-pad: 24px;
  --section-gap: 76px;
  --section-gap-mobile: 48px;
  --transition-fast: 0.18s ease;
  --transition-med: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}

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

body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text);
  background-color: var(--color-white);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
}

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

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

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

a:focus-visible {
  outline: 3px solid rgba(255, 78, 30, 0.5);
  outline-offset: 2px;
  border-radius: 4px;
}

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

button {
  cursor: pointer;
  border: none;
  background: none;
  color: inherit;
}

button:focus-visible {
  outline: 3px solid rgba(255, 78, 30, 0.5);
  outline-offset: 2px;
}

.container {
  max-width: var(--container-max);
  margin: 0 auto;
  padding-left: var(--container-pad);
  padding-right: var(--container-pad);
  width: 100%;
}

.section {
  padding-top: var(--section-gap);
  padding-bottom: var(--section-gap);
}

.section--dark {
  background: var(--gradient-dark-section);
  color: var(--color-text-invert);
}

.section--light {
  background: var(--color-light);
}

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

.section-tag {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-size: 13px;
  font-weight: 700;
  letter-spacing: 0.05em;
  padding: 6px 16px;
  border-radius: var(--radius-pill);
  margin-bottom: 16px;
  text-transform: uppercase;
}

.section-tag--light {
  background: rgba(200, 255, 46, 0.15);
  color: var(--color-accent);
}

.section-tag .dot {
  width: 6px;
  height: 6px;
  background: var(--color-accent);
  border-radius: 50%;
  display: inline-block;
}

.section-title {
  font-size: 34px;
  font-weight: 900;
  line-height: 1.25;
  letter-spacing: -0.02em;
  margin: 0 0 14px 0;
  color: var(--color-dark);
}

.section-title--light {
  color: var(--color-white);
}

.section-subtitle {
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text-soft);
  margin: 0 0 40px 0;
  max-width: 680px;
}

.section-subtitle--light {
  color: rgba(245, 246, 248, 0.78);
}

/* Header / Navigation */
.site-header {
  position: sticky;
  top: 0;
  z-index: 1000;
  background: rgba(255, 255, 255, 0.96);
  backdrop-filter: blur(18px);
  -webkit-backdrop-filter: blur(18px);
  box-shadow: var(--shadow-nav);
  border-bottom: 1px solid var(--color-border-light);
}

.nav-wrap {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  min-height: 72px;
  padding-top: 10px;
  padding-bottom: 10px;
}

.nav-left,
.nav-right {
  display: flex;
  align-items: center;
  gap: 28px;
  flex: 1;
}

.nav-left {
  justify-content: flex-end;
}

.nav-right {
  justify-content: flex-start;
}

.nav-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 20px;
  font-weight: 900;
  letter-spacing: -0.01em;
  color: var(--color-dark);
  white-space: nowrap;
  flex-shrink: 0;
  padding: 4px 0;
  transition: color var(--transition-fast);
}

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

.logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  background: var(--gradient-primary-btn);
  color: #fff;
  font-size: 14px;
  font-weight: 900;
  font-family: var(--font-condensed);
  letter-spacing: 0.02em;
  border-radius: 10px;
  flex-shrink: 0;
}

.nav-link {
  font-size: 14px;
  font-weight: 600;
  color: var(--color-text-soft);
  padding: 8px 2px;
  position: relative;
  white-space: nowrap;
  transition: color var(--transition-fast);
}

.nav-link::after {
  content: '';
  position: absolute;
  left: 0;
  bottom: 2px;
  width: 100%;
  height: 2px;
  background: var(--gradient-accent);
  border-radius: 2px;
  transform: scaleX(0);
  transform-origin: right;
  transition: transform var(--transition-med);
}

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

.nav-link:hover::after {
  transform: scaleX(1);
  transform-origin: left;
}

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

.nav-link.active::after {
  transform: scaleX(1);
  transform-origin: left;
}

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 13px;
  font-weight: 700;
  color: #fff;
  background: var(--gradient-primary-btn);
  padding: 10px 18px;
  border-radius: var(--radius-pill);
  white-space: nowrap;
  transition: transform var(--transition-fast), box-shadow var(--transition-fast);
  box-shadow: var(--shadow-btn);
}

.nav-cta:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 16px 32px -8px rgba(255, 78, 30, 0.55);
}

.nav-toggle {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: 8px;
  z-index: 1002;
  position: relative;
}

.nav-toggle span {
  display: block;
  width: 24px;
  height: 2px;
  background: var(--color-dark);
  border-radius: 2px;
  transition: transform var(--transition-med), opacity var(--transition-fast);
}

.nav-toggle.active span:nth-child(1) {
  transform: translateY(7px) rotate(45deg);
}

.nav-toggle.active span:nth-child(2) {
  opacity: 0;
}

.nav-toggle.active span:nth-child(3) {
  transform: translateY(-7px) rotate(-45deg);
}

/* Mobile Nav Overlay */
.nav-overlay {
  display: none;
  position: fixed;
  inset: 0;
  z-index: 1001;
  background: rgba(11, 15, 20, 0.97);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  flex-direction: column;
  justify-content: center;
  align-items: center;
  gap: 20px;
  padding: 40px 24px;
  opacity: 0;
  pointer-events: none;
  transition: opacity var(--transition-med);
}

.nav-overlay.open {
  opacity: 1;
  pointer-events: auto;
}

.nav-overlay .nav-link {
  font-size: 22px;
  font-weight: 700;
  color: rgba(245, 246, 248, 0.85);
}

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

.nav-overlay .nav-cta {
  margin-top: 12px;
  font-size: 15px;
  padding: 14px 28px;
}

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

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

.breadcrumb a {
  color: var(--color-text-soft);
  transition: color var(--transition-fast);
}

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

.breadcrumb .sep {
  color: #C0C6CE;
}

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

/* Hero - Comparison Selection */
.hero-panel {
  position: relative;
  background: var(--gradient-dark-section);
  color: var(--color-text-invert);
  padding: 72px 0 80px;
  overflow: hidden;
}

.hero-panel::before {
  content: '';
  position: absolute;
  top: -200px;
  right: -160px;
  width: 560px;
  height: 560px;
  background: radial-gradient(circle, rgba(255, 78, 30, 0.28) 0%, transparent 68%);
  border-radius: 50%;
  pointer-events: none;
}

.hero-panel::after {
  content: '';
  position: absolute;
  bottom: -260px;
  left: -140px;
  width: 520px;
  height: 520px;
  background: radial-gradient(circle, rgba(200, 255, 46, 0.12) 0%, transparent 68%);
  border-radius: 50%;
  pointer-events: none;
}

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

.hero-panel-head {
  max-width: 720px;
  margin-bottom: 48px;
}

.hero-panel-head .section-tag {
  background: rgba(200, 255, 46, 0.16);
  color: var(--color-accent);
  margin-bottom: 20px;
}

.hero-panel h1 {
  font-size: 42px;
  font-weight: 900;
  line-height: 1.18;
  letter-spacing: -0.025em;
  margin: 0 0 18px 0;
  color: #fff;
}

.hero-panel h1 .highlight {
  background: var(--gradient-accent);
  -webkit-background-clip: text;
  background-clip: text;
  -webkit-text-fill-color: transparent;
  color: transparent;
}

.hero-panel-sub {
  font-size: 17px;
  line-height: 1.85;
  color: rgba(245, 246, 248, 0.76);
  max-width: 640px;
  margin: 0;
}

.hero-panel-actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 14px;
  margin-top: 28px;
}

.hero-panel-actions .btn {
  font-size: 15px;
  padding: 14px 26px;
}

.hero-panel-actions .btn-outline-light {
  border: 1.5px solid rgba(245, 246, 248, 0.35);
  color: var(--color-text-invert);
}

.hero-panel-actions .btn-outline-light:hover {
  background: rgba(255, 78, 30, 0.18);
  border-color: var(--color-primary);
  color: #fff;
}

/* Hero comparison cards */
.hero-compare-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 20px;
  margin-top: 48px;
}

.compare-card {
  background: rgba(255, 255, 255, 0.055);
  border: 1px solid rgba(255, 255, 255, 0.1);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  transition: transform var(--transition-med), box-shadow var(--transition-med), border-color var(--transition-fast);
  position: relative;
}

.compare-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
  border-color: rgba(255, 78, 30, 0.4);
}

.compare-card--recommended {
  background: linear-gradient(160deg, rgba(255, 78, 30, 0.2) 0%, rgba(255, 78, 30, 0.08) 100%);
  border: 2px solid var(--color-primary);
  box-shadow: 0 20px 50px -18px rgba(255, 78, 30, 0.45);
  transform: translateY(-10px);
}

.compare-card--recommended:hover {
  transform: translateY(-14px);
  box-shadow: 0 28px 62px -20px rgba(255, 78, 30, 0.55);
}

.compare-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 12px;
  font-weight: 800;
  letter-spacing: 0.03em;
  text-transform: uppercase;
  background: var(--gradient-accent);
  color: #0B0F14;
  padding: 4px 12px;
  border-radius: var(--radius-pill);
  margin-bottom: 16px;
}

.compare-card--recommended .compare-badge {
  background: var(--gradient-primary-btn);
  color: #fff;
}

.compare-card h3 {
  font-size: 19px;
  font-weight: 800;
  margin: 0 0 8px 0;
  color: #fff;
}

.compare-price {
  font-size: 32px;
  font-weight: 900;
  font-family: var(--font-condensed);
  letter-spacing: 0.01em;
  color: var(--color-accent);
  margin-bottom: 4px;
}

.compare-price .unit {
  font-size: 14px;
  font-weight: 500;
  font-family: var(--font-sans);
  color: rgba(245, 246, 248, 0.6);
}

.compare-desc {
  font-size: 14px;
  line-height: 1.7;
  color: rgba(245, 246, 248, 0.68);
  margin: 12px 0 18px;
}

.compare-features {
  list-style: none;
  padding: 0;
  margin: 0 0 20px;
}

.compare-features li {
  font-size: 13px;
  line-height: 1.6;
  color: rgba(245, 246, 248, 0.76);
  padding: 5px 0 5px 22px;
  position: relative;
}

.compare-features li::before {
  content: '';
  position: absolute;
  left: 0;
  top: 11px;
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
}

.compare-card .btn {
  width: 100%;
  justify-content: center;
  font-size: 13px;
  padding: 11px 16px;
}

.compare-card--recommended .btn {
  box-shadow: var(--shadow-btn);
}

.compare-card .btn-outline-light {
  border: 1.5px solid rgba(245, 246, 248, 0.3);
  color: rgba(245, 246, 248, 0.85);
}

.compare-card .btn-outline-light:hover {
  background: rgba(255, 78, 30, 0.2);
  border-color: var(--color-primary);
  color: #fff;
}

/* Buttons */
.btn {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  font-size: 15px;
  font-weight: 700;
  padding: 14px 28px;
  border-radius: var(--radius-pill);
  transition: transform var(--transition-fast), box-shadow var(--transition-fast), background var(--transition-fast), color var(--transition-fast), border-color var(--transition-fast);
  line-height: 1.2;
}

.btn:active {
  transform: translateY(1px);
}

.btn-primary {
  background: var(--gradient-primary-btn);
  color: #fff;
  box-shadow: var(--shadow-btn);
}

.btn-primary:hover {
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 16px 36px -8px rgba(255, 78, 30, 0.55);
}

.btn-outline {
  border: 1.5px solid var(--color-border);
  color: var(--color-text-soft);
}

.btn-outline:hover {
  background: rgba(255, 78, 30, 0.08);
  border-color: var(--color-primary);
  color: var(--color-primary);
}

.btn-outline-light {
  border: 1.5px solid rgba(245, 246, 248, 0.35);
  color: var(--color-text-invert);
}

.btn-outline-light:hover {
  background: rgba(255, 78, 30, 0.18);
  border-color: var(--color-primary);
  color: #fff;
}

/* Feature Cards */
.feature-section {
  background: var(--color-white);
}

.feature-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(280px, 1fr));
  gap: 24px;
}

.feature-card {
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 28px 24px;
  box-shadow: var(--shadow-card);
  transition: transform var(--transition-med), box-shadow var(--transition-med);
}

.feature-card:hover {
  transform: translateY(-6px);
  box-shadow: var(--shadow-card-hover);
}

.feature-card-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 48px;
  height: 48px;
  background: var(--color-primary-soft);
  border-radius: 14px;
  margin-bottom: 16px;
  color: var(--color-primary);
  font-size: 22px;
  font-weight: 700;
  font-family: var(--font-condensed);
}

.feature-card h3 {
  font-size: 18px;
  font-weight: 800;
  margin: 0 0 10px 0;
  color: var(--color-dark);
}

.feature-card p {
  font-size: 14px;
  line-height: 1.75;
  color: var(--color-text-soft);
  margin: 0;
}

/* Data Badge Wall */
.badge-wall {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(160px, 1fr));
  gap: 18px;
  margin-top: 32px;
}

.data-badge {
  background: rgba(255, 255, 255, 0.06);
  border: 1px solid rgba(255, 255, 255, 0.12);
  border-radius: var(--radius-md);
  padding: 22px 18px;
  text-align: center;
  transition: transform var(--transition-med), border-color var(--transition-fast);
  position: relative;
}

.data-badge:hover {
  transform: translateY(-5px);
  border-color: rgba(255, 78, 30, 0.45);
}

.data-badge-dot {
  width: 8px;
  height: 8px;
  background: var(--color-accent);
  border-radius: 50%;
  position: absolute;
  top: 14px;
  left: 14px;
  box-shadow: 0 0 12px rgba(200, 255, 46, 0.7);
}

.data-badge-number {
  font-size: 36px;
  font-weight: 900;
  font-family: var(--font-condensed);
  letter-spacing: 0.01em;
  color: var(--color-accent);
  line-height: 1.1;
  margin-bottom: 6px;
}

.data-badge-label {
  font-size: 13px;
  color: rgba(245, 246, 248, 0.65);
  font-weight: 500;
}

.data-badge-note {
  font-size: 12px;
  color: rgba(245, 246, 248, 0.45);
  margin-top: 4px;
}

/* Scenario Cards */
.scenario-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(240px, 1fr));
  gap: 20px;
}

.scenario-card {
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 24px 20px;
  box-shadow: 0 8px 24px -12px rgba(0, 0, 0, 0.1);
  transition: transform var(--transition-med), box-shadow var(--transition-med);
}

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

.scenario-card-icon {
  font-size: 28px;
  margin-bottom: 12px;
}

.scenario-card h3 {
  font-size: 16px;
  font-weight: 700;
  margin: 0 0 8px 0;
  color: var(--color-dark);
}

.scenario-card p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-text-soft);
  margin: 0;
}

/* Steps */
.steps-list {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 20px;
  counter-reset: step-counter;
}

.step-item {
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-lg);
  padding: 26px 22px;
  position: relative;
  counter-increment: step-counter;
  transition: transform var(--transition-med), box-shadow var(--transition-med);
}

.step-item:hover {
  transform: translateY(-4px);
  box-shadow: var(--shadow-card-hover);
}

.step-item::before {
  content: counter(step-counter, decimal-leading-zero);
  font-size: 12px;
  font-weight: 800;
  font-family: var(--font-condensed);
  color: var(--color-primary);
  display: block;
  margin-bottom: 10px;
  letter-spacing: 0.06em;
}

.step-item h3 {
  font-size: 16px;
  font-weight: 700;
  margin: 0 0 8px 0;
  color: var(--color-dark);
}

.step-item p {
  font-size: 13px;
  line-height: 1.7;
  color: var(--color-text-soft);
  margin: 0;
}

/* Deep Content */
.deep-content {
  background: linear-gradient(180deg, #F5F6F8 0%, #FFFFFF 100%);
}

.deep-text-block {
  max-width: 860px;
  margin: 0 auto;
  font-size: 16px;
  line-height: 2;
  color: var(--color-text-soft);
}

.deep-text-block p + p {
  margin-top: 22px;
}

.deep-text-block p:first-of-type {
  border-left: 4px solid var(--color-primary);
  padding-left: 20px;
  font-weight: 500;
  color: var(--color-dark);
  font-size: 17px;
}

/* FAQ */
.faq-list {
  max-width: 820px;
  margin: 0 auto;
  display: flex;
  flex-direction: column;
  gap: 14px;
}

.faq-item {
  background: var(--color-white);
  border: 1px solid var(--color-border-light);
  border-radius: var(--radius-md);
  overflow: hidden;
  transition: border-color var(--transition-fast), box-shadow var(--transition-med);
}

.faq-item:hover {
  border-color: rgba(255, 78, 30, 0.3);
}

.faq-item.open {
  border-color: var(--color-primary);
  box-shadow: 0 12px 30px -14px rgba(255, 78, 30, 0.3);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  padding: 18px 22px;
  font-size: 15px;
  font-weight: 700;
  color: var(--color-dark);
  width: 100%;
  text-align: left;
  transition: color var(--transition-fast);
}

.faq-question:hover {
  color: var(--color-primary);
}

.faq-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 28px;
  height: 28px;
  border-radius: 50%;
  background: var(--color-primary-soft);
  color: var(--color-primary);
  font-size: 18px;
  font-weight: 700;
  flex-shrink: 0;
  transition: transform var(--transition-med), background var(--transition-fast);
}

.faq-item.open .faq-icon {
  transform: rotate(45deg);
  background: var(--color-primary);
  color: #fff;
}

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

.faq-answer-inner {
  padding: 0 22px 20px;
  font-size: 14px;
  line-height: 1.8;
  color: var(--color-text-soft);
}

/* CTA */
.cta-box {
  background: var(--gradient-dark-section);
  border-radius: var(--radius-xl);
  padding: 48px 40px;
  text-align: center;
  color: var(--color-text-invert);
  position: relative;
  overflow: hidden;
}

.cta-box::before {
  content: '';
  position: absolute;
  top: -120px;
  right: -80px;
  width: 320px;
  height: 320px;
  background: radial-gradient(circle, rgba(255, 78, 30, 0.35) 0%, transparent 68%);
  border-radius: 50%;
  pointer-events: none;
}

.cta-box h2 {
  font-size: 30px;
  font-weight: 900;
  margin: 0 0 12px 0;
  color: #fff;
  position: relative;
  z-index: 1;
}

.cta-box p {
  font-size: 15px;
  line-height: 1.8;
  color: rgba(245, 246, 248, 0.72);
  max-width: 560px;
  margin: 0 auto 28px;
  position: relative;
  z-index: 1;
}

.cta-actions {
  display: flex;
  justify-content: center;
  flex-wrap: wrap;
  gap: 14px;
  position: relative;
  z-index: 1;
}

/* Footer */
.site-footer {
  background: var(--color-dark);
  color: rgba(245, 246, 248, 0.7);
  padding: 56px 0 28px;
  border-top: 1px solid rgba(255, 255, 255, 0.06);
}

.footer-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 32px;
  margin-bottom: 40px;
}

.footer-brand p {
  font-size: 13px;
  line-height: 1.7;
  color: rgba(245, 246, 248, 0.55);
  max-width: 280px;
  margin-top: 12px;
}

.footer-logo {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 900;
  color: #fff;
}

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

.footer-col h4 {
  font-size: 14px;
  font-weight: 700;
  color: #fff;
  margin: 0 0 14px 0;
  letter-spacing: 0.02em;
}

.footer-col ul {
  list-style: none;
  padding: 0;
  margin: 0;
  display: flex;
  flex-direction: column;
  gap: 8px;
}

.footer-col ul a {
  font-size: 13px;
  color: rgba(245, 246, 248, 0.55);
  transition: color var(--transition-fast);
}

.footer-col ul a:hover {
  color: var(--color-primary);
}

.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: 10px;
  font-size: 12px;
  color: rgba(245, 246, 248, 0.45);
}

.footer-links-inline {
  display: flex;
  align-items: center;
  gap: 10px;
}

.footer-links-inline a {
  color: rgba(245, 246, 248, 0.55);
  font-size: 12px;
  transition: color var(--transition-fast);
}

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

/* Responsive */
@media (max-width: 1100px) {
  .nav-left,
  .nav-right {
    gap: 16px;
  }
}

@media (max-width: 968px) {
  .nav-toggle {
    display: flex;
  }

  .nav-left,
  .nav-right {
    display: none;
  }

  .nav-overlay {
    display: flex;
  }

  .nav-wrap {
    justify-content: space-between;
  }

  .nav-logo {
    margin: 0 auto;
  }

  .hero-panel h1 {
    font-size: 32px;
  }

  .hero-compare-grid {
    grid-template-columns: 1fr;
    gap: 16px;
  }

  .compare-card--recommended {
    transform: translateY(0);
  }

  .compare-card--recommended:hover {
    transform: translateY(-6px);
  }

  .section {
    padding-top: var(--section-gap-mobile);
    padding-bottom: var(--section-gap-mobile);
  }

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

  .hero-panel {
    padding: 48px 0 56px;
  }

  .badge-wall {
    grid-template-columns: repeat(auto-fit, minmax(130px, 1fr));
  }

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

@media (max-width: 520px) {
  .container {
    padding-left: 18px;
    padding-right: 18px;
  }

  .hero-panel h1 {
    font-size: 26px;
  }

  .hero-panel-sub {
    font-size: 15px;
  }

  .compare-card {
    padding: 22px 18px;
  }

  .compare-price {
    font-size: 26px;
  }

  .cta-box {
    padding: 32px 20px;
  }

  .cta-box h2 {
    font-size: 24px;
  }

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

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

/* roulang page: category5 */
:root {
  --color-primary: #FF4E1E;
  --color-primary-strong: #E03C0F;
  --color-primary-soft: rgba(255, 78, 30, 0.12);
  --color-accent: #C8FF2E;
  --color-accent-dark: #96C914;
  --color-dark: #0B0F14;
  --color-dark-2: #121920;
  --color-dark-3: #1C232A;
  --color-dark-4: #242D36;
  --color-light: #F5F6F8;
  --color-white: #FFFFFF;
  --color-text: #1C232A;
  --color-text-soft: #4A5560;
  --color-text-muted: #7A8694;
  --color-text-invert: #F5F6F8;
  --color-border: #DCE0E6;
  --color-border-light: #EAEDF2;
  --color-error: #D42C2C;
  --gradient-brand: linear-gradient(135deg, #0B0F14 0%, #1C232A 42%, #FF4E1E 100%);
  --gradient-accent: linear-gradient(90deg, #FFB800 0%, #FF4E1E 100%);
  --gradient-primary-btn: linear-gradient(90deg, #FFB800 0%, #FF4E1E 100%);
  --gradient-dark-section: linear-gradient(160deg, #0B0F14 0%, #1C232A 52%, #2A130E 100%);
  --shadow-card: 0 18px 40px -20px rgba(0, 0, 0, 0.25);
  --shadow-card-hover: 0 24px 60px -24px rgba(255, 78, 30, 0.35);
  --shadow-btn: 0 10px 24px -8px rgba(255, 78, 30, 0.45);
  --shadow-nav: 0 6px 24px -8px rgba(0, 0, 0, 0.16);
  --radius-sm: 12px;
  --radius-md: 18px;
  --radius-lg: 24px;
  --radius-xl: 32px;
  --radius-pill: 999px;
  --font-sans: 'Inter', 'PingFang SC', 'Source Han Sans SC', 'Noto Sans SC', 'Microsoft YaHei', -apple-system, BlinkMacSystemFont, sans-serif;
  --font-condensed: 'Barlow Condensed', 'Oswald', 'DIN Condensed', 'Inter', sans-serif;
  --container-max: 1200px;
  --container-pad: 24px;
  --section-gap: 76px;
  --section-gap-mobile: 48px;
  --transition-fast: 0.18s ease;
  --transition-med: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
  --transition-slow: 0.5s cubic-bezier(0.4, 0, 0.2, 1);
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body {
  font-family: var(--font-sans);
  font-size: 16px;
  line-height: 1.8;
  color: var(--color-text);
  background: var(--color-white);
  min-height: 100vh;
  -webkit-font-smoothing: antialiased;
  -moz-osx-font-smoothing: grayscale;
  overflow-x: hidden;
  margin: 0;
}
img { max-width: 100%; height: auto; display: block; border-radius: inherit; }
a { color: inherit; text-decoration: none; transition: color var(--transition-fast), opacity var(--transition-fast), text-decoration-color var(--transition-fast); }
a:hover { color: var(--color-primary); }
a:focus-visible { outline: 3px solid rgba(255, 78, 30, 0.5); outline-offset: 2px; border-radius: 4px; }
button, input, select, textarea { font-family: inherit; font-size: inherit; line-height: inherit; }
button { cursor: pointer; border: none; background: none; color: inherit; }
button:focus-visible { outline: 3px solid rgba(255, 78, 30, 0.5); outline-offset: 2px; }
.container { max-width: var(--container-max); margin: 0 auto; padding-left: var(--container-pad); padding-right: var(--container-pad); width: 100%; }
.section { padding-top: var(--section-gap); padding-bottom: var(--section-gap); }
.section--dark { background: var(--gradient-dark-section); color: var(--color-text-invert); }
.section--light { background: var(--color-light); }
.section--white { background: var(--color-white); }
.section-tag {
  display: inline-flex; align-items: center; gap: 8px; background: var(--color-primary-soft);
  color: var(--color-primary); font-size: 13px; font-weight: 700; letter-spacing: 0.05em;
  padding: 6px 16px; border-radius: var(--radius-pill); margin-bottom: 16px; text-transform: uppercase;
}
.section-tag--light { background: rgba(200, 255, 46, 0.15); color: var(--color-accent); }
.section-tag .dot { width: 6px; height: 6px; background: var(--color-accent); border-radius: 50%; display: inline-block; }
h1, h2, h3, h4 { margin: 0; font-weight: 800; line-height: 1.32; }
h1 { font-size: clamp(30px, 5vw, 52px); letter-spacing: -0.02em; }
h2 { font-size: clamp(24px, 3.4vw, 36px); letter-spacing: -0.015em; }
h3 { font-size: clamp(18px, 2.2vw, 24px); }
p { margin: 0 0 16px; }
.text-primary { color: var(--color-primary); }
.text-accent { color: var(--color-accent); }
.section-head { max-width: 720px; margin-bottom: 32px; }
.section-head h2 { margin-bottom: 12px; }
.lead { font-size: 18px; line-height: 1.9; color: var(--color-text-soft); }
.btn {
  display: inline-flex; align-items: center; justify-content: center; gap: 8px;
  padding: 12px 26px; border-radius: var(--radius-pill); font-weight: 700; font-size: 15px;
  transition: transform var(--transition-med), box-shadow var(--transition-med), background var(--transition-fast), border-color var(--transition-fast);
  min-height: 48px;
}
.btn-primary { background: var(--gradient-primary-btn); color: #fff; box-shadow: var(--shadow-btn); }
.btn-primary:hover { transform: translateY(-2px); box-shadow: 0 16px 34px -10px rgba(255, 78, 30, 0.55); color: #fff; }
.btn-secondary { border: 1.5px solid var(--color-border); color: var(--color-text); background: #fff; }
.btn-secondary:hover { border-color: var(--color-primary); background: var(--color-primary-soft); color: var(--color-primary); }
.btn-dark-outline { border: 1.5px solid rgba(255,255,255,0.4); color: var(--color-text-invert); background: transparent; }
.btn-dark-outline:hover { border-color: var(--color-accent); background: rgba(200,255,46,0.1); color: var(--color-accent); }
.btn-lg { padding: 15px 32px; font-size: 16px; min-height: 54px; }
.btn:active { transform: translateY(1px); }
.btn:disabled { opacity: 0.55; cursor: not-allowed; transform: none; box-shadow: none; }
/* Header */
.site-header {
  position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,0.94);
  backdrop-filter: blur(12px); box-shadow: var(--shadow-nav);
}
.nav-wrap { display: flex; align-items: center; justify-content: space-between; min-height: 76px; position: relative; gap: 16px; }
.nav-logo {
  display: inline-flex; align-items: center; gap: 10px; font-weight: 800; font-size: 20px; color: var(--color-dark);
  white-space: nowrap; flex: 0 0 auto;
}
.logo-icon {
  width: 36px; height: 36px; border-radius: 12px; background: var(--gradient-primary-btn);
  display: inline-flex; align-items: center; justify-content: center; font-size: 14px; font-weight: 800; color: #fff;
  letter-spacing: -0.02em; box-shadow: 0 8px 18px -8px rgba(255,78,30,0.6);
}
.nav-left, .nav-right { display: flex; align-items: center; gap: 18px; }
.nav-link { font-weight: 600; font-size: 15px; color: var(--color-text-soft); position: relative; padding: 8px 0; }
.nav-link:hover { color: var(--color-primary); }
.nav-link.active { color: var(--color-primary); }
.nav-link.active::after {
  content: ""; position: absolute; left: 0; bottom: 0; height: 3px; width: 100%;
  background: var(--gradient-primary-btn); border-radius: var(--radius-pill);
}
.nav-cta {
  background: var(--gradient-primary-btn); color: #fff; padding: 9px 18px; border-radius: var(--radius-pill);
  font-weight: 700; font-size: 14px; white-space: nowrap; box-shadow: var(--shadow-btn);
}
.nav-cta:hover { transform: translateY(-2px); color: #fff; }
.nav-toggle { display: none; flex-direction: column; justify-content: center; gap: 5px; width: 46px; height: 46px; padding: 10px; border-radius: 14px; background: var(--color-light); }
.nav-toggle span { display: block; width: 100%; height: 2.5px; background: var(--color-dark); border-radius: 2px; transition: transform var(--transition-med), opacity var(--transition-fast); }
/* Breadcrumb */
.breadcrumb { background: var(--color-light); border-bottom: 1px solid var(--color-border-light); padding: 12px 0; }
.breadcrumb-list { list-style: none; display: flex; align-items: center; gap: 10px; flex-wrap: wrap; font-size: 14px; color: var(--color-text-muted); padding: 0; margin: 0; }
.breadcrumb-list li + li::before { content: "/"; margin-right: 10px; color: var(--color-text-muted); }
.breadcrumb-list a:hover { color: var(--color-primary); }
.breadcrumb-current { color: var(--color-text-soft); font-weight: 600; }
/* Hero */
.hero-fan {
  position: relative; padding: 72px 0 88px; overflow: hidden; color: #fff;
  background-image: linear-gradient(180deg, rgba(11,15,20,0.82) 0%, rgba(11,15,20,0.72) 55%, rgba(11,15,20,0.92) 100%), url('/assets/images/backpic/back-3.webp');
  background-size: cover; background-position: center;
}
.hero-fan::after { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 76% 35%, rgba(255,78,30,0.28), transparent 42%); pointer-events: none; }
.hero-fan .container { position: relative; z-index: 1; }
.hero-fan-grid { display: grid; grid-template-columns: 1.15fr 0.85fr; gap: 40px; align-items: center; }
.hero-fan h1 { color: #fff; margin-bottom: 16px; }
.hero-fan .hero-sub { color: #DDE3EA; font-size: 18px; max-width: 640px; line-height: 1.9; margin-bottom: 24px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 14px; margin-bottom: 26px; }
.hero-badges { display: flex; flex-wrap: wrap; gap: 12px; }
.badge-pill { display: inline-flex; align-items: center; gap: 7px; background: rgba(255,255,255,0.12); backdrop-filter: blur(8px); border: 1px solid rgba(255,255,255,0.22); padding: 8px 16px; border-radius: var(--radius-pill); font-size: 14px; font-weight: 600; color: #F6F7F9; }
.badge-pill::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--color-accent); }
.hero-fan-visual { display: flex; flex-direction: column; gap: 14px; }
.hero-cover-main { border-radius: var(--radius-xl); overflow: hidden; box-shadow: 0 22px 54px -18px rgba(0,0,0,0.5); border: 1px solid rgba(255,255,255,0.18); }
.hero-cover-main img { width: 100%; height: 250px; object-fit: cover; }
.hero-stat-row { display: flex; gap: 14px; }
.hero-stat-card { flex: 1; background: rgba(255,255,255,0.1); border: 1px solid rgba(255,255,255,0.18); backdrop-filter: blur(8px); border-radius: var(--radius-md); padding: 16px; }
.hero-stat-card strong { display: block; font-family: var(--font-condensed); font-size: 32px; line-height: 1.1; color: var(--color-accent); }
.hero-stat-card span { font-size: 13px; color: #CCD2D8; }
/* Cards & Grid */
.card-grid { display: grid; gap: 22px; }
.grid-3 { grid-template-columns: repeat(3, 1fr); }
.grid-2 { grid-template-columns: repeat(2, 1fr); }
.grid-4 { grid-template-columns: repeat(4, 1fr); }
.card { background: #fff; border-radius: var(--radius-lg); box-shadow: var(--shadow-card); overflow: hidden; transition: transform var(--transition-med), box-shadow var(--transition-med); border: 1px solid var(--color-border-light); }
.card:hover { transform: translateY(-4px); box-shadow: var(--shadow-card-hover); }
.card-img { aspect-ratio: 16/9; overflow: hidden; }
.card-img img { width: 100%; height: 100%; object-fit: cover; transition: transform var(--transition-slow); }
.card:hover .card-img img { transform: scale(1.04); }
.card-body { padding: 22px; }
.card-body h3 { margin-bottom: 10px; }
.card-body p { color: var(--color-text-soft); font-size: 15px; margin-bottom: 0; }
.card-date { display: inline-flex; align-items: center; gap: 6px; font-size: 13px; color: var(--color-text-muted); margin-bottom: 8px; }
.card-date::before { content: "◷"; color: var(--color-primary); font-size: 14px; }
.card-link { display: inline-flex; align-items: center; gap: 6px; font-weight: 700; color: var(--color-primary); font-size: 14px; margin-top: 14px; }
.card-link:hover { gap: 10px; }
/* Feature grid */
.feature-card { padding: 26px; border-radius: var(--radius-lg); background: #fff; box-shadow: var(--shadow-card); border: 1px solid var(--color-border-light); transition: transform var(--transition-med), box-shadow var(--transition-med); }
.feature-card:hover { transform: translateY(-5px); box-shadow: var(--shadow-card-hover); }
.feature-icon { width: 52px; height: 52px; border-radius: 18px; background: var(--color-primary-soft); display: flex; align-items: center; justify-content: center; color: var(--color-primary); margin-bottom: 18px; font-size: 22px; font-weight: 800; }
.feature-card h3 { margin-bottom: 8px; }
.feature-card p { color: var(--color-text-soft); margin: 0; }
/* Hot topics list */
.topic-list { display: flex; flex-direction: column; gap: 18px; }
.topic-item { display: grid; grid-template-columns: 260px 1fr; gap: 20px; background: #fff; border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-card); border: 1px solid var(--color-border-light); transition: transform var(--transition-med), box-shadow var(--transition-med); }
.topic-item:hover { transform: translateY(-3px); box-shadow: var(--shadow-card-hover); }
.topic-item-img { aspect-ratio: 16/9; overflow: hidden; }
.topic-item-img img { width: 100%; height: 100%; object-fit: cover; }
.topic-item-body { padding: 20px 20px 20px 0; display: flex; flex-direction: column; }
.topic-item-body h3 { margin-bottom: 8px; font-size: 19px; }
.topic-item-body p { color: var(--color-text-soft); font-size: 15px; margin-bottom: 12px; }
.topic-item-meta { display: flex; gap: 10px; align-items: center; flex-wrap: wrap; margin-top: auto; }
.topic-author { font-size: 13px; color: var(--color-text-muted); display: inline-flex; align-items: center; gap: 6px; }
.topic-author::before { content: "●"; color: var(--color-accent-dark); font-size: 10px; }
/* Timeline */
.timeline { list-style: none; padding: 0; margin: 0; counter-reset: step; }
.timeline li { position: relative; padding: 0 0 32px 64px; counter-increment: step; }
.timeline li:last-child { padding-bottom: 0; }
.timeline li::before {
  content: counter(step, decimal-leading-zero); position: absolute; left: 0; top: 0; width: 44px; height: 44px;
  background: var(--gradient-primary-btn); color: #fff; font-weight: 800; display: flex; align-items: center; justify-content: center;
  border-radius: 16px; font-family: var(--font-condensed); font-size: 18px; box-shadow: 0 10px 22px -8px rgba(255,78,30,0.55);
}
.timeline li::after { content: ""; position: absolute; left: 21px; top: 52px; bottom: 0; width: 2px; background: var(--color-border-light); }
.timeline li:last-child::after { display: none; }
.timeline h3 { margin-bottom: 6px; }
.timeline p { color: var(--color-text-soft); margin: 0; }
/* Testimonials */
.testimonial-grid { display: grid; gap: 18px; }
.testimonial-card { background: rgba(255,255,255,0.06); border: 1px solid rgba(255,255,255,0.14); border-radius: var(--radius-lg); padding: 24px; color: #E6E9ED; backdrop-filter: blur(6px); }
.testimonial-card blockquote { margin: 0 0 14px 0; color: #E6E9ED; font-size: 15px; line-height: 1.9; }
.testimonial-footer { display: flex; align-items: center; gap: 10px; }
.testimonial-avatar { width: 38px; height: 38px; border-radius: 50%; background: var(--color-primary); display: flex; align-items: center; justify-content: center; font-weight: 700; color: #fff; font-size: 14px; }
.testimonial-name { font-weight: 700; font-size: 14px; }
.testimonial-label { font-size: 12px; color: #AAB3BD; }
/* FAQ */
.faq-list { display: flex; flex-direction: column; gap: 14px; }
.faq-item { background: #fff; border: 1px solid var(--color-border-light); border-radius: var(--radius-md); overflow: hidden; transition: border-color var(--transition-fast), box-shadow var(--transition-fast); }
.faq-item.open { border-color: var(--color-primary); box-shadow: 0 12px 30px -15px rgba(255,78,30,0.28); }
.faq-question {
  width: 100%; display: flex; justify-content: space-between; align-items: center; gap: 16px; text-align: left;
  padding: 20px 22px; font-weight: 700; font-size: 16px; color: var(--color-text);
}
.faq-icon { flex: 0 0 auto; width: 26px; height: 26px; border-radius: 50%; background: var(--color-light); display: flex; align-items: center; justify-content: center; font-size: 18px; color: var(--color-primary); transition: transform var(--transition-med); }
.faq-item.open .faq-icon { transform: rotate(45deg); background: var(--color-primary-soft); }
.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: 220px; padding-bottom: 20px; }
.faq-answer p { color: var(--color-text-soft); margin: 0; }
/* CTA */
.cta-box { background: var(--gradient-dark-section); border-radius: var(--radius-xl); padding: 48px 36px; color: #fff; text-align: center; box-shadow: 0 26px 60px -22px rgba(0,0,0,0.5); position: relative; overflow: hidden; }
.cta-box::after { content: ""; position: absolute; inset: 0; background: radial-gradient(circle at 20% 20%, rgba(255,78,30,0.32), transparent 42%), radial-gradient(circle at 80% 70%, rgba(200,255,46,0.18), transparent 34%); pointer-events: none; }
.cta-box .container { position: relative; z-index: 1; }
.cta-box h2 { color: #fff; margin-bottom: 12px; }
.cta-box p { color: #C6CDD4; max-width: 640px; margin: 0 auto 24px; }
.cta-actions { display: flex; flex-wrap: wrap; gap: 14px; justify-content: center; }
/* Footer */
.site-footer { background: #0B0F14; color: #B6BEC8; padding-top: 56px; padding-bottom: 24px; }
.footer-grid { display: grid; grid-template-columns: 1.4fr 0.8fr 0.8fr 0.8fr; gap: 32px; margin-bottom: 32px; }
.footer-brand p { color: #9DA6B0; font-size: 14px; max-width: 340px; margin: 14px 0 0; }
.footer-logo { display: inline-flex; align-items: center; gap: 10px; color: #fff; font-weight: 800; font-size: 18px; }
.footer-col h4 { color: #fff; font-size: 16px; margin-bottom: 14px; }
.footer-col ul { list-style: none; margin: 0; padding: 0; display: flex; flex-direction: column; gap: 10px; }
.footer-col ul a { color: #9DA6B0; font-size: 14px; }
.footer-col ul a:hover { color: var(--color-accent); }
.footer-bottom { display: flex; flex-direction: column; align-items: center; gap: 8px; border-top: 1px solid rgba(255,255,255,0.08); padding-top: 22px; text-align: center; color: #7B8490; font-size: 13px; }
.footer-links-inline { display: flex; align-items: center; gap: 10px; }
.footer-links-inline a { color: #B6BEC8; }
.footer-links-inline a:hover { color: var(--color-accent); }
/* Responsive */
@media (max-width: 1024px) {
  .hero-fan-grid { grid-template-columns: 1fr; gap: 28px; }
  .hero-cover-main img { height: 240px; }
  .grid-4 { grid-template-columns: repeat(2, 1fr); }
  .grid-3 { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .nav-left, .nav-right { gap: 10px; }
}
@media (max-width: 820px) {
  .section { padding-top: var(--section-gap-mobile); padding-bottom: var(--section-gap-mobile); }
  .nav-toggle { display: flex; }
  .nav-left, .nav-right {
    position: fixed; left: 0; right: 0; top: 76px; bottom: 0; background: #0B0F14; flex-direction: column;
    align-items: center; justify-content: flex-start; gap: 8px; padding: 32px 22px; transform: translateX(-100%);
    transition: transform var(--transition-med); z-index: 99;
  }
  .nav-right { transform: translateX(100%); }
  .nav-left.open, .nav-right.open { transform: translateX(0); }
  .nav-left { align-items: flex-start; background: rgba(11,15,20,0.98); }
  .nav-right { align-items: flex-start; background: rgba(11,15,20,0.98); }
  .nav-logo { position: relative; z-index: 101; }
  .nav-link { color: #E5E9EE; font-size: 18px; padding: 14px 0; width: 100%; }
  .nav-link.active::after { bottom: 4px; }
  .nav-cta { align-self: flex-start; margin-top: 12px; padding: 12px 22px; }
  .hero-fan { padding: 48px 0 64px; }
  .grid-3, .grid-2, .grid-4 { grid-template-columns: 1fr; }
  .topic-item { grid-template-columns: 1fr; }
  .topic-item-body { padding: 20px; }
  .footer-grid { grid-template-columns: 1fr; gap: 24px; }
  .footer-brand p { max-width: 100%; }
}
@media (max-width: 540px) {
  .hero-stat-row { flex-direction: column; }
  .hero-cover-main img { height: 200px; }
  .breadcrumb-list { font-size: 13px; }
  .btn-lg { padding: 13px 24px; font-size: 15px; }
  .cta-box { padding: 36px 22px; }
}