/* roulang page: index */
:root {
            --brand-500: #ff5c1a;
            --brand-600: #e8450f;
            --brand-700: #c2330b;
            --accent-500: #ff9f1c;
            --dark-900: #101217;
            --dark-800: #1a1d23;
            --surface-50: #f8f9fb;
            --surface-100: #f0f2f5;
            --text-primary: #1a1d23;
            --text-secondary: #5a5f6b;
            --text-weak: #8b909e;
            --border-light: #e2e6ec;
            --radius-lg: 0.875rem;
            --radius-xl: 1.125rem;
            --radius-2xl: 1.5rem;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.06), 0 4px 16px rgba(0, 0, 0, 0.05);
            --shadow-card-hover: 0 2px 8px rgba(0, 0, 0, 0.08), 0 8px 32px rgba(0, 0, 0, 0.10);
            --shadow-btn: 0 2px 8px rgba(255, 92, 26, 0.25);
            --transition-fast: 0.18s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --transition-bounce: 0.4s cubic-bezier(0.25, 0.8, 0.25, 1.4);
        }

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

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

        body {
            margin: 0;
            padding: 0;
            font-family: 'Inter', 'Noto Sans SC', system-ui, -apple-system, sans-serif;
            line-height: 1.6;
            background-color: #f8f9fb;
            color: #1a1d23;
            overflow-x: hidden;
            min-height: 100vh;
        }

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

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }

        input {
            font-family: inherit;
            outline: none;
        }

        .container-custom {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 1.5rem;
            padding-right: 1.5rem;
        }

        @media (max-width: 768px) {
            .container-custom {
                padding-left: 1rem;
                padding-right: 1rem;
            }
        }

        /* Header & Navigation */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            border-bottom: 1px solid transparent;
        }

        .site-header.scrolled {
            background: rgba(255, 255, 255, 0.98);
            border-bottom-color: #e2e6ec;
            box-shadow: 0 1px 0 rgba(0, 0, 0, 0.04), 0 4px 20px rgba(0, 0, 0, 0.08);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 1.5rem;
        }

        .logo-link {
            display: flex;
            align-items: center;
            gap: 0.5rem;
            font-weight: 800;
            font-size: 1.35rem;
            letter-spacing: -0.02em;
            color: #1a1d23;
            white-space: nowrap;
            transition: all var(--transition-fast);
        }

        .logo-link:hover {
            color: var(--brand-600);
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, #ff5c1a 0%, #ff9f1c 100%);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 1.1rem;
            flex-shrink: 0;
            box-shadow: 0 2px 10px rgba(255, 92, 26, 0.3);
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 0.25rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .nav-link {
            display: inline-flex;
            align-items: center;
            padding: 0.5rem 1rem;
            font-size: 0.92rem;
            font-weight: 500;
            color: #5a5f6b;
            border-radius: 0.5rem;
            transition: all var(--transition-fast);
            white-space: nowrap;
            position: relative;
            letter-spacing: 0.01em;
        }

        .nav-link:hover {
            color: #1a1d23;
            background: #f0f2f5;
        }

        .nav-link.active {
            color: var(--brand-600);
            font-weight: 600;
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            padding: 0.55rem 1.35rem;
            font-size: 0.9rem;
            font-weight: 600;
            color: #fff;
            background: linear-gradient(135deg, #ff5c1a 0%, #e8450f 100%);
            border-radius: 0.6rem;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-btn);
            white-space: nowrap;
            letter-spacing: 0.01em;
        }

        .nav-cta-btn:hover {
            box-shadow: var(--shadow-btn-hover, 0 4px 18px rgba(255, 92, 26, 0.4));
            transform: translateY(-1px);
            background: linear-gradient(135deg, #ff6e30 0%, #f04a15 100%);
        }

        .mobile-menu-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 1.5rem;
            color: #1a1d23;
            padding: 0.4rem;
            border-radius: 0.5rem;
            transition: all var(--transition-fast);
            cursor: pointer;
        }

        .mobile-menu-toggle:hover {
            background: #f0f2f5;
        }

        @media (max-width: 1024px) {
            .nav-list {
                gap: 0;
            }
            .nav-link {
                padding: 0.45rem 0.7rem;
                font-size: 0.85rem;
            }
            .nav-cta-btn {
                padding: 0.5rem 1rem;
                font-size: 0.82rem;
            }
        }

        @media (max-width: 768px) {
            .header-inner {
                height: 58px;
                padding: 0 1rem;
            }
            .logo-link {
                font-size: 1.2rem;
            }
            .logo-icon {
                width: 32px;
                height: 32px;
                font-size: 0.95rem;
                border-radius: 8px;
            }
            .mobile-menu-toggle {
                display: flex;
                align-items: center;
                justify-content: center;
            }
            .nav-list {
                display: none;
                position: absolute;
                top: 58px;
                left: 0;
                right: 0;
                flex-direction: column;
                background: rgba(255, 255, 255, 0.98);
                backdrop-filter: blur(20px);
                -webkit-backdrop-filter: blur(20px);
                padding: 0.75rem 1rem;
                gap: 0.2rem;
                box-shadow: 0 8px 32px rgba(0, 0, 0, 0.12);
                border-bottom: 1px solid #e2e6ec;
                z-index: 999;
            }
            .nav-list.open {
                display: flex;
            }
            .nav-link {
                padding: 0.7rem 1rem;
                font-size: 0.95rem;
                width: 100%;
                border-radius: 0.6rem;
            }
            .nav-cta-btn {
                width: 100%;
                justify-content: center;
                margin-top: 0.3rem;
                padding: 0.7rem;
                font-size: 0.95rem;
            }
        }

        /* Hero Section */
        .hero-section {
            position: relative;
            min-height: 100vh;
            display: flex;
            align-items: center;
            padding-top: 64px;
            overflow: hidden;
            background: #101217;
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            z-index: 0;
        }

        .hero-bg img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            object-position: center;
            opacity: 0.55;
            filter: brightness(0.7) saturate(1.1);
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            z-index: 1;
            background: linear-gradient(180deg, rgba(10, 12, 16, 0.55) 0%, rgba(10, 12, 16, 0.75) 40%, rgba(10, 12, 16, 0.9) 100%);
        }

        .hero-glow {
            position: absolute;
            width: 600px;
            height: 600px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 92, 26, 0.25) 0%, transparent 70%);
            top: 50%;
            left: 50%;
            transform: translate(-50%, -50%);
            z-index: 1;
            pointer-events: none;
            animation: heroGlowPulse 6s ease-in-out infinite;
        }

        @keyframes heroGlowPulse {
            0%,
            100% {
                opacity: 0.6;
                transform: translate(-50%, -50%) scale(1);
            }
            50% {
                opacity: 1;
                transform: translate(-50%, -50%) scale(1.25);
            }
        }

        .hero-content {
            position: relative;
            z-index: 2;
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 3rem 1.5rem 5rem;
            text-align: center;
            color: #fff;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 0.4rem;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.2);
            padding: 0.4rem 1rem;
            border-radius: 2rem;
            font-size: 0.88rem;
            font-weight: 500;
            color: #ffccb3;
            margin-bottom: 1.5rem;
            backdrop-filter: blur(8px);
            letter-spacing: 0.02em;
        }

        .hero-badge .live-dot {
            width: 8px;
            height: 8px;
            background: #ff3b3b;
            border-radius: 50%;
            animation: livePulse 1.5s ease-in-out infinite;
        }

        @keyframes livePulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(255, 59, 59, 0.7);
            }
            50% {
                box-shadow: 0 0 0 12px rgba(255, 59, 59, 0);
            }
        }

        .hero-title {
            font-size: clamp(2.4rem, 6vw, 4.2rem);
            font-weight: 900;
            letter-spacing: -0.03em;
            line-height: 1.15;
            margin: 0 0 1.25rem;
            color: #fff;
            text-shadow: 0 2px 20px rgba(0, 0, 0, 0.4);
        }

        .hero-title .highlight {
            background: linear-gradient(135deg, #ff7f3f 0%, #ff9f1c 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            text-shadow: none;
        }

        .hero-subtitle {
            font-size: clamp(1.05rem, 2vw, 1.3rem);
            color: rgba(255, 255, 255, 0.78);
            max-width: 650px;
            margin: 0 auto 2.5rem;
            line-height: 1.7;
            font-weight: 400;
            letter-spacing: 0.01em;
        }

        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: center;
            align-items: center;
        }

        .btn-hero-primary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.9rem 2.2rem;
            font-size: 1.05rem;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, #ff5c1a 0%, #e8450f 100%);
            border-radius: 3rem;
            transition: all var(--transition-bounce);
            box-shadow: 0 4px 24px rgba(255, 92, 26, 0.4);
            letter-spacing: 0.01em;
        }

        .btn-hero-primary:hover {
            transform: translateY(-3px);
            box-shadow: 0 8px 36px rgba(255, 92, 26, 0.55);
            background: linear-gradient(135deg, #ff6e30 0%, #f04a15 100%);
        }

        .btn-hero-secondary {
            display: inline-flex;
            align-items: center;
            gap: 0.5rem;
            padding: 0.85rem 2rem;
            font-size: 1.05rem;
            font-weight: 600;
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
            border: 1.5px solid rgba(255, 255, 255, 0.3);
            border-radius: 3rem;
            transition: all var(--transition-smooth);
            letter-spacing: 0.01em;
            backdrop-filter: blur(4px);
        }

        .btn-hero-secondary:hover {
            background: rgba(255, 255, 255, 0.16);
            border-color: rgba(255, 255, 255, 0.5);
            transform: translateY(-2px);
        }

        .hero-live-ticker {
            margin-top: 3rem;
            max-width: 700px;
            margin-left: auto;
            margin-right: auto;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 0.75rem;
            padding: 0.75rem 1.25rem;
            display: flex;
            align-items: center;
            gap: 0.75rem;
            overflow: hidden;
            backdrop-filter: blur(6px);
        }

        .ticker-label {
            flex-shrink: 0;
            font-weight: 700;
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 0.06em;
            color: #ff9f1c;
            background: rgba(255, 159, 28, 0.15);
            padding: 0.25rem 0.65rem;
            border-radius: 0.35rem;
        }

        .ticker-scroll {
            flex: 1;
            overflow: hidden;
            position: relative;
        }

        .ticker-track {
            display: flex;
            gap: 2rem;
            animation: tickerScroll 20s linear infinite;
            white-space: nowrap;
        }

        .ticker-item {
            color: rgba(255, 255, 255, 0.85);
            font-size: 0.9rem;
            font-weight: 500;
            flex-shrink: 0;
            letter-spacing: 0.01em;
        }

        .ticker-item .score {
            color: #ff9f1c;
            font-weight: 700;
        }

        @keyframes tickerScroll {
            0% {
                transform: translateX(0);
            }
            100% {
                transform: translateX(-50%);
            }
        }

        @media (max-width: 768px) {
            .hero-section {
                min-height: auto;
                padding-top: 58px;
            }
            .hero-content {
                padding: 2rem 1rem 3.5rem;
            }
            .hero-title {
                font-size: 2rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
                margin-bottom: 1.75rem;
            }
            .btn-hero-primary,
            .btn-hero-secondary {
                padding: 0.75rem 1.6rem;
                font-size: 0.95rem;
                width: 100%;
                justify-content: center;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-live-ticker {
                margin-top: 2rem;
                padding: 0.6rem 1rem;
                flex-direction: column;
                gap: 0.5rem;
                align-items: flex-start;
            }
            .ticker-item {
                font-size: 0.8rem;
            }
        }

        /* Section Common */
        .section-block {
            padding: 5rem 0;
            position: relative;
        }

        .section-block.alt-bg {
            background: #fff;
        }

        .section-block.dark-bg {
            background: #101217;
            color: #fff;
        }

        .section-label {
            display: inline-block;
            font-size: 0.85rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.07em;
            color: #ff5c1a;
            margin-bottom: 0.75rem;
        }

        .section-heading {
            font-size: clamp(1.8rem, 3.5vw, 2.6rem);
            font-weight: 800;
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin: 0 0 1rem;
            color: inherit;
        }

        .section-subheading {
            font-size: 1.1rem;
            color: #5a5f6b;
            max-width: 600px;
            margin: 0 auto 3rem;
            line-height: 1.65;
            text-align: center;
        }

        .dark-bg .section-subheading {
            color: rgba(255, 255, 255, 0.65);
        }

        @media (max-width: 768px) {
            .section-block {
                padding: 3rem 0;
            }
            .section-heading {
                font-size: 1.55rem;
            }
            .section-subheading {
                font-size: 0.95rem;
                margin-bottom: 2rem;
            }
        }

        /* Feature Cards */
        .features-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }

        .feature-card {
            background: #fff;
            border-radius: var(--radius-xl);
            padding: 1.75rem;
            border: 1px solid #e2e6ec;
            transition: all var(--transition-smooth);
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow-card);
        }

        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: #ffccb3;
        }

        .feature-card-icon {
            width: 50px;
            height: 50px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.35rem;
            margin-bottom: 1rem;
            background: #fff5f0;
            color: #ff5c1a;
            flex-shrink: 0;
        }

        .feature-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin: 0 0 0.5rem;
            color: #1a1d23;
            letter-spacing: -0.01em;
        }

        .feature-card p {
            font-size: 0.9rem;
            color: #5a5f6b;
            margin: 0;
            line-height: 1.6;
        }

        .feature-card .card-img-wrap {
            width: 100%;
            height: 160px;
            border-radius: 0.75rem;
            overflow: hidden;
            margin-bottom: 1rem;
            background: #f0f2f5;
        }

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

        .feature-card:hover .card-img-wrap img {
            transform: scale(1.06);
        }

        @media (max-width: 1024px) {
            .features-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.25rem;
            }
        }

        @media (max-width: 520px) {
            .features-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .feature-card {
                padding: 1.35rem;
            }
            .feature-card .card-img-wrap {
                height: 140px;
            }
        }

        /* Stats Section */
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 1.5rem;
        }

        .stat-card {
            text-align: center;
            padding: 2rem 1.5rem;
            background: rgba(255, 255, 255, 0.04);
            border-radius: var(--radius-xl);
            border: 1px solid rgba(255, 255, 255, 0.1);
            transition: all var(--transition-smooth);
        }

        .stat-card:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(255, 255, 255, 0.22);
            transform: translateY(-3px);
            box-shadow: 0 8px 30px rgba(0, 0, 0, 0.3);
        }

        .stat-number {
            font-size: 2.8rem;
            font-weight: 900;
            letter-spacing: -0.03em;
            background: linear-gradient(135deg, #ff7f3f 0%, #ff9f1c 100%);
            -webkit-background-clip: text;
            background-clip: text;
            -webkit-text-fill-color: transparent;
            line-height: 1.1;
            margin-bottom: 0.4rem;
        }

        .stat-label {
            font-size: 0.95rem;
            color: rgba(255, 255, 255, 0.7);
            font-weight: 500;
        }

        @media (max-width: 768px) {
            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1rem;
            }
            .stat-number {
                font-size: 2.2rem;
            }
            .stat-card {
                padding: 1.5rem 1rem;
            }
        }

        @media (max-width: 520px) {
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 0.75rem;
            }
            .stat-number {
                font-size: 1.8rem;
            }
            .stat-label {
                font-size: 0.8rem;
            }
        }

        /* Content Cards / 资讯列表 */
        .content-cards-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 1.5rem;
        }

        .content-card {
            background: #fff;
            border-radius: var(--radius-xl);
            overflow: hidden;
            border: 1px solid #e2e6ec;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
        }

        .content-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
            border-color: #ffccb3;
        }

        .content-card-img {
            width: 100%;
            height: 200px;
            overflow: hidden;
            background: #f0f2f5;
            flex-shrink: 0;
        }

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

        .content-card:hover .content-card-img img {
            transform: scale(1.05);
        }

        .content-card-body {
            padding: 1.35rem;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .content-card-tag {
            display: inline-block;
            font-size: 0.75rem;
            font-weight: 700;
            text-transform: uppercase;
            letter-spacing: 0.05em;
            color: #ff5c1a;
            background: #fff5f0;
            padding: 0.2rem 0.6rem;
            border-radius: 0.3rem;
            margin-bottom: 0.65rem;
            align-self: flex-start;
        }

        .content-card h3 {
            font-size: 1.1rem;
            font-weight: 700;
            margin: 0 0 0.5rem;
            color: #1a1d23;
            letter-spacing: -0.01em;
            line-height: 1.35;
        }

        .content-card p {
            font-size: 0.88rem;
            color: #5a5f6b;
            margin: 0 0 1rem;
            line-height: 1.55;
            flex: 1;
        }

        .content-card-meta {
            font-size: 0.8rem;
            color: #8b909e;
            display: flex;
            align-items: center;
            gap: 0.75rem;
            padding-top: 0.75rem;
            border-top: 1px solid #f0f2f5;
        }

        @media (max-width: 1024px) {
            .content-cards-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 1.25rem;
            }
        }

        @media (max-width: 600px) {
            .content-cards-grid {
                grid-template-columns: 1fr;
                gap: 1rem;
            }
            .content-card-img {
                height: 170px;
            }
        }

        /* Process / Timeline */
        .process-list {
            display: flex;
            flex-wrap: wrap;
            gap: 0;
            counter-reset: process-step;
            position: relative;
        }

        .process-step {
            flex: 1 1 220px;
            min-width: 200px;
            text-align: center;
            padding: 2rem 1.25rem;
            position: relative;
            counter-increment: process-step;
        }

        .process-step::before {
            content: counter(process-step);
            width: 48px;
            height: 48px;
            border-radius: 50%;
            background: linear-gradient(135deg, #ff5c1a 0%, #ff9f1c 100%);
            color: #fff;
            font-weight: 800;
            font-size: 1.2rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 1rem;
            box-shadow: 0 4px 16px rgba(255, 92, 26, 0.35);
            transition: all var(--transition-smooth);
        }

        .process-step:hover::before {
            transform: scale(1.1);
            box-shadow: 0 6px 24px rgba(255, 92, 26, 0.5);
        }

        .process-step h4 {
            font-size: 1.05rem;
            font-weight: 700;
            margin: 0 0 0.4rem;
            color: #1a1d23;
        }

        .process-step p {
            font-size: 0.88rem;
            color: #5a5f6b;
            margin: 0;
            line-height: 1.5;
        }

        .process-connector {
            display: none;
        }

        @media (min-width: 769px) {
            .process-step {
                position: relative;
            }
            .process-step+.process-step::after {
                content: '';
                position: absolute;
                top: 48px;
                left: -20px;
                width: 40px;
                height: 2px;
                background: #e2e6ec;
                transform: translateY(-50%);
            }
        }

        @media (max-width: 768px) {
            .process-list {
                flex-direction: column;
                gap: 0.5rem;
            }
            .process-step {
                flex: 1 1 auto;
                min-width: auto;
                text-align: left;
                display: flex;
                align-items: flex-start;
                gap: 1rem;
                padding: 1rem 0;
            }
            .process-step::before {
                margin: 0;
                flex-shrink: 0;
                width: 40px;
                height: 40px;
                font-size: 1rem;
            }
            .process-step+.process-step {
                border-top: 1px solid #e2e6ec;
            }
        }

        /* FAQ */
        .faq-list {
            max-width: 780px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }

        .faq-item {
            background: #fff;
            border: 1px solid #e2e6ec;
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-smooth);
            box-shadow: var(--shadow-card);
        }

        .faq-item:hover {
            border-color: #d0d5de;
        }

        .faq-question {
            width: 100%;
            text-align: left;
            padding: 1.2rem 1.5rem;
            font-size: 1rem;
            font-weight: 600;
            color: #1a1d23;
            background: #fff;
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 1rem;
            transition: all var(--transition-fast);
            border: none;
            outline: none;
            letter-spacing: 0.01em;
        }

        .faq-question:hover {
            background: #fafbfc;
        }

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: #f0f2f5;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all var(--transition-smooth);
            font-size: 0.75rem;
            color: #5a5f6b;
        }

        .faq-item.open .faq-icon {
            background: #ff5c1a;
            color: #fff;
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s cubic-bezier(0.4, 0, 0.2, 1), padding 0.4s cubic-bezier(0.4, 0, 0.2, 1);
        }

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

        .faq-answer-inner {
            padding: 0 1.5rem 1.3rem;
            font-size: 0.92rem;
            color: #5a5f6b;
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .faq-question {
                padding: 1rem 1.2rem;
                font-size: 0.95rem;
            }
            .faq-answer-inner {
                padding: 0 1.2rem 1.1rem;
                font-size: 0.88rem;
            }
        }

        /* CTA Section */
        .cta-section {
            background: linear-gradient(160deg, #101217 0%, #1a1d23 60%, #101217 100%);
            position: relative;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            width: 500px;
            height: 500px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(255, 92, 26, 0.2) 0%, transparent 70%);
            top: -150px;
            right: -100px;
            pointer-events: none;
        }

        .cta-inner {
            position: relative;
            z-index: 1;
            text-align: center;
            padding: 5rem 1.5rem;
            max-width: 700px;
            margin: 0 auto;
            color: #fff;
        }

        .cta-inner h2 {
            font-size: clamp(1.8rem, 3.5vw, 2.5rem);
            font-weight: 900;
            letter-spacing: -0.02em;
            margin: 0 0 1rem;
            line-height: 1.2;
        }

        .cta-inner p {
            font-size: 1.1rem;
            color: rgba(255, 255, 255, 0.7);
            margin: 0 0 2.5rem;
            line-height: 1.6;
        }

        .cta-btn-lg {
            display: inline-flex;
            align-items: center;
            gap: 0.6rem;
            padding: 1rem 2.8rem;
            font-size: 1.1rem;
            font-weight: 700;
            color: #fff;
            background: linear-gradient(135deg, #ff5c1a 0%, #e8450f 100%);
            border-radius: 3rem;
            transition: all var(--transition-bounce);
            box-shadow: 0 6px 30px rgba(255, 92, 26, 0.45);
            letter-spacing: 0.01em;
        }

        .cta-btn-lg:hover {
            transform: translateY(-3px);
            box-shadow: 0 10px 40px rgba(255, 92, 26, 0.6);
            background: linear-gradient(135deg, #ff6e30 0%, #f04a15 100%);
        }

        @media (max-width: 768px) {
            .cta-inner {
                padding: 3.5rem 1rem;
            }
            .cta-inner h2 {
                font-size: 1.55rem;
            }
            .cta-inner p {
                font-size: 0.95rem;
            }
            .cta-btn-lg {
                padding: 0.85rem 2rem;
                font-size: 1rem;
                width: 100%;
                justify-content: center;
            }
        }

        /* Footer */
        .site-footer {
            background: #0a0c10;
            color: rgba(255, 255, 255, 0.6);
            padding: 3rem 1.5rem 2rem;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-inner {
            max-width: 1200px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            justify-content: space-between;
            align-items: center;
            gap: 1.5rem;
        }

        .footer-logo {
            font-weight: 800;
            font-size: 1.2rem;
            color: #fff;
            letter-spacing: -0.01em;
        }

        .footer-links {
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            list-style: none;
            margin: 0;
            padding: 0;
        }

        .footer-links a {
            color: rgba(255, 255, 255, 0.55);
            font-size: 0.88rem;
            transition: color var(--transition-fast);
            letter-spacing: 0.01em;
        }

        .footer-links a:hover {
            color: #ff9f1c;
        }

        .footer-copy {
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.35);
            width: 100%;
            text-align: center;
            margin-top: 1.5rem;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

        @media (max-width: 768px) {
            .footer-inner {
                flex-direction: column;
                text-align: center;
                gap: 1rem;
            }
            .footer-links {
                justify-content: center;
                gap: 1rem;
            }
            .site-footer {
                padding: 2.5rem 1rem 1.5rem;
            }
        }

        /* Scroll to top */
        .scroll-top-btn {
            position: fixed;
            bottom: 2rem;
            right: 2rem;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: #ff5c1a;
            color: #fff;
            font-size: 1.1rem;
            border: none;
            cursor: pointer;
            z-index: 900;
            box-shadow: 0 4px 20px rgba(255, 92, 26, 0.4);
            transition: all var(--transition-smooth);
            opacity: 0;
            pointer-events: none;
            transform: translateY(12px);
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .scroll-top-btn.visible {
            opacity: 1;
            pointer-events: auto;
            transform: translateY(0);
        }

        .scroll-top-btn:hover {
            background: #e8450f;
            transform: translateY(-3px);
            box-shadow: 0 8px 28px rgba(255, 92, 26, 0.55);
        }

        @media (max-width: 768px) {
            .scroll-top-btn {
                bottom: 1.25rem;
                right: 1.25rem;
                width: 38px;
                height: 38px;
                font-size: 0.95rem;
            }
        }

        /* Utility animations */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

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

        .animate-delay-1 {
            animation-delay: 0.1s;
            opacity: 0;
        }
        .animate-delay-2 {
            animation-delay: 0.2s;
            opacity: 0;
        }
        .animate-delay-3 {
            animation-delay: 0.3s;
            opacity: 0;
        }
        .animate-delay-4 {
            animation-delay: 0.4s;
            opacity: 0;
        }