/* roulang page: index */
:root {
            --color-charcoal: #1E1E1E;
            --color-champagne: #D4AF37;
            --color-champagne-light: #E8C84A;
            --color-warm-sand: #C2A88D;
            --color-text-body: #EAEAEA;
            --color-text-muted: #B0B0B0;
            --color-card-bg: #2C2C2C;
            --color-footer-bg: #131313;
            --color-dark-overlay: rgba(30, 30, 30, 0.95);
            --radius-card: 12px;
            --radius-btn: 8px;
            --shadow-card: 0 8px 20px rgba(0, 0, 0, 0.4);
            --shadow-card-hover: 0 12px 28px rgba(0, 0, 0, 0.6);
            --shadow-nav: 0 2px 20px rgba(0, 0, 0, 0.5);
            --transition-base: 300ms ease;
        }

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

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

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
            background-color: var(--color-charcoal);
            color: var(--color-text-body);
            line-height: 1.7;
            font-size: 16px;
            min-height: 100vh;
            overflow-x: hidden;
        }

        a {
            color: var(--color-champagne);
            text-decoration: none;
            transition: color var(--transition-base);
        }
        a:hover {
            color: var(--color-champagne-light);
        }
        a:focus-visible {
            outline: 2px solid var(--color-champagne);
            outline-offset: 3px;
            border-radius: 2px;
        }

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

        button {
            cursor: pointer;
            font-family: inherit;
            border: none;
            outline: none;
        }
        button:focus-visible {
            outline: 2px solid var(--color-champagne);
            outline-offset: 3px;
        }

        input {
            font-family: inherit;
            outline: none;
            border: none;
        }
        input:focus-visible {
            outline: 2px solid var(--color-champagne);
            outline-offset: 2px;
        }

        .container-main {
            max-width: 1280px;
            margin: 0 auto;
            padding-left: 1rem;
            padding-right: 1rem;
        }
        @media (min-width: 768px) {
            .container-main {
                padding-left: 1.5rem;
                padding-right: 1.5rem;
            }
        }

        /* Navigation */
        .nav-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(30, 30, 30, 0.95);
            backdrop-filter: blur(16px) saturate(140%);
            -webkit-backdrop-filter: blur(16px) saturate(140%);
            border-bottom: 1px solid rgba(212, 175, 55, 0.12);
            box-shadow: var(--shadow-nav);
            transition: background var(--transition-base);
        }
        .nav-inner {
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1rem;
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
        }
        @media (min-width: 768px) {
            .nav-inner {
                padding: 0 1.5rem;
                height: 72px;
            }
        }
        .nav-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-weight: 700;
            font-size: 1.15rem;
            color: #ffffff;
            letter-spacing: 0.02em;
            white-space: nowrap;
            text-decoration: none;
            flex-shrink: 0;
        }
        .nav-logo:hover {
            color: #ffffff;
        }
        .nav-logo .logo-accent {
            color: var(--color-champagne);
            font-weight: 800;
        }
        .nav-logo .logo-keyword {
            font-size: 0.85rem;
            font-weight: 500;
            color: var(--color-text-muted);
            letter-spacing: 0.04em;
            margin-left: 2px;
        }
        @media (min-width: 768px) {
            .nav-logo {
                font-size: 1.3rem;
            }
            .nav-logo .logo-keyword {
                font-size: 0.9rem;
            }
        }

        .nav-links {
            display: none;
            align-items: center;
            gap: 2rem;
            list-style: none;
        }
        @media (min-width: 768px) {
            .nav-links {
                display: flex;
            }
        }
        .nav-links li a {
            color: var(--color-text-muted);
            font-size: 0.95rem;
            font-weight: 500;
            transition: color var(--transition-base);
            position: relative;
            padding: 4px 0;
            text-decoration: none;
        }
        .nav-links li a:hover {
            color: #ffffff;
        }
        .nav-links li a.active {
            color: var(--color-champagne);
        }
        .nav-links li a.active::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 0;
            height: 2px;
            background: var(--color-champagne);
            border-radius: 1px;
        }

        .btn-nav-cta {
            display: none;
            background: linear-gradient(135deg, #D4AF37 0%, #B4942E 100%);
            color: #1E1E1E;
            font-weight: 700;
            font-size: 0.9rem;
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            transition: all var(--transition-base);
            white-space: nowrap;
            text-decoration: none;
            letter-spacing: 0.03em;
            border: none;
            cursor: pointer;
        }
        .btn-nav-cta:hover {
            background: linear-gradient(135deg, #E8C84A 0%, #C9A835 100%);
            transform: scale(1.04);
            color: #1E1E1E;
            box-shadow: 0 4px 16px rgba(212, 175, 55, 0.35);
        }
        @media (min-width: 768px) {
            .btn-nav-cta {
                display: inline-block;
            }
        }

        .hamburger {
            display: flex;
            flex-direction: column;
            gap: 5px;
            cursor: pointer;
            padding: 8px;
            z-index: 1001;
            background: none;
            border: none;
        }
        .hamburger span {
            display: block;
            width: 26px;
            height: 2.5px;
            background: #ffffff;
            border-radius: 2px;
            transition: all var(--transition-base);
        }
        .hamburger.active span:nth-child(1) {
            transform: rotate(45deg) translate(5px, 5px);
        }
        .hamburger.active span:nth-child(2) {
            opacity: 0;
        }
        .hamburger.active span:nth-child(3) {
            transform: rotate(-45deg) translate(5px, -5px);
        }
        @media (min-width: 768px) {
            .hamburger {
                display: none;
            }
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(20, 20, 20, 0.98);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            z-index: 999;
            padding: 2rem 1.5rem;
            flex-direction: column;
            gap: 1.5rem;
            overflow-y: auto;
        }
        .mobile-menu.active {
            display: flex;
        }
        @media (min-width: 768px) {
            .mobile-menu {
                display: none !important;
            }
        }
        .mobile-menu a {
            display: block;
            color: #ffffff;
            font-size: 1.2rem;
            font-weight: 600;
            padding: 12px 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            text-decoration: none;
            transition: color var(--transition-base);
        }
        .mobile-menu a:hover {
            color: var(--color-champagne);
        }
        .mobile-menu .btn-mobile-cta {
            display: inline-block;
            background: linear-gradient(135deg, #D4AF37 0%, #B4942E 100%);
            color: #1E1E1E;
            font-weight: 700;
            font-size: 1rem;
            padding: 14px 28px;
            border-radius: var(--radius-btn);
            text-align: center;
            margin-top: 0.5rem;
            text-decoration: none;
            letter-spacing: 0.03em;
        }

        /* Hero */
        .hero-section {
            padding-top: 100px;
            padding-bottom: 60px;
            position: relative;
            background-color: var(--color-charcoal);
            background-image:
                radial-gradient(ellipse at 30% 20%, rgba(212, 175, 55, 0.06) 0%, transparent 60%),
                radial-gradient(ellipse at 70% 60%, rgba(194, 168, 141, 0.04) 0%, transparent 55%),
                url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            background-blend-mode: overlay;
            min-height: 420px;
            display: flex;
            align-items: center;
        }
        @media (min-width: 768px) {
            .hero-section {
                padding-top: 120px;
                padding-bottom: 80px;
                min-height: 480px;
            }
        }
        .hero-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(30, 30, 30, 0.82);
            z-index: 0;
        }
        .hero-content {
            position: relative;
            z-index: 1;
            max-width: 1280px;
            margin: 0 auto;
            padding: 0 1rem;
            text-align: center;
        }
        @media (min-width: 768px) {
            .hero-content {
                padding: 0 1.5rem;
                text-align: left;
                display: flex;
                align-items: center;
                gap: 3rem;
            }
        }
        .hero-text {
            flex: 1;
        }
        .hero-badge {
            display: inline-block;
            background: rgba(212, 175, 55, 0.12);
            border: 1px solid rgba(212, 175, 55, 0.3);
            color: var(--color-champagne);
            font-size: 0.8rem;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 20px;
            letter-spacing: 0.06em;
            margin-bottom: 1rem;
            text-transform: uppercase;
        }
        .hero-title {
            font-size: 2rem;
            font-weight: 900;
            color: #ffffff;
            line-height: 1.25;
            margin-bottom: 1rem;
            letter-spacing: 0.02em;
        }
        @media (min-width: 768px) {
            .hero-title {
                font-size: 2.75rem;
            }
        }
        @media (min-width: 1024px) {
            .hero-title {
                font-size: 3.25rem;
            }
        }
        .hero-title .highlight {
            color: var(--color-champagne);
        }
        .hero-desc {
            font-size: 1rem;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin-bottom: 1.5rem;
            max-width: 560px;
        }
        @media (min-width: 768px) {
            .hero-desc {
                font-size: 1.05rem;
                margin-bottom: 2rem;
            }
        }
        .hero-search-wrap {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            max-width: 520px;
            margin: 0 auto;
        }
        @media (min-width: 768px) {
            .hero-search-wrap {
                margin: 0;
            }
        }
        .hero-search-input {
            flex: 1 1 240px;
            padding: 14px 18px;
            border-radius: var(--radius-btn);
            background: rgba(44, 44, 44, 0.9);
            border: 1px solid rgba(212, 175, 55, 0.2);
            color: #ffffff;
            font-size: 0.95rem;
            transition: all var(--transition-base);
            min-width: 200px;
        }
        .hero-search-input::placeholder {
            color: #888;
        }
        .hero-search-input:focus {
            border-color: var(--color-champagne);
            box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.1);
            background: rgba(44, 44, 44, 1);
        }
        .btn-hero-search {
            flex: 0 0 auto;
            padding: 14px 28px;
            background: linear-gradient(135deg, #D4AF37 0%, #B4942E 100%);
            color: #1E1E1E;
            font-weight: 700;
            font-size: 0.95rem;
            border-radius: var(--radius-btn);
            transition: all var(--transition-base);
            letter-spacing: 0.03em;
            white-space: nowrap;
            cursor: pointer;
            border: none;
        }
        .btn-hero-search:hover {
            background: linear-gradient(135deg, #E8C84A 0%, #C9A835 100%);
            transform: scale(1.04);
            box-shadow: 0 4px 18px rgba(212, 175, 55, 0.4);
        }
        .hero-data-cards {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            justify-content: center;
            margin-top: 1.5rem;
        }
        @media (min-width: 768px) {
            .hero-data-cards {
                justify-content: flex-start;
                margin-top: 2rem;
            }
        }
        .hero-data-item {
            background: rgba(44, 44, 44, 0.75);
            border: 1px solid rgba(212, 175, 55, 0.18);
            border-radius: 10px;
            padding: 14px 18px;
            text-align: center;
            min-width: 100px;
            backdrop-filter: blur(4px);
        }
        .hero-data-item .data-num {
            font-size: 1.5rem;
            font-weight: 800;
            color: var(--color-champagne);
            line-height: 1;
        }
        .hero-data-item .data-label {
            font-size: 0.75rem;
            color: var(--color-text-muted);
            margin-top: 4px;
            letter-spacing: 0.04em;
        }
        @media (min-width: 768px) {
            .hero-data-item {
                padding: 16px 22px;
                min-width: 110px;
            }
            .hero-data-item .data-num {
                font-size: 1.75rem;
            }
        }

        /* Section common */
        .section-block {
            padding: 3rem 1rem;
        }
        @media (min-width: 768px) {
            .section-block {
                padding: 4.5rem 1.5rem;
            }
        }
        @media (min-width: 1024px) {
            .section-block {
                padding: 5.5rem 1.5rem;
            }
        }
        .section-inner {
            max-width: 1280px;
            margin: 0 auto;
        }
        .section-label {
            display: inline-block;
            font-size: 0.78rem;
            font-weight: 700;
            color: var(--color-champagne);
            letter-spacing: 0.08em;
            text-transform: uppercase;
            margin-bottom: 0.6rem;
        }
        .section-title {
            font-size: 1.75rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 0.75rem;
            line-height: 1.35;
            letter-spacing: 0.02em;
        }
        @media (min-width: 768px) {
            .section-title {
                font-size: 2.25rem;
            }
        }
        .section-desc {
            font-size: 1rem;
            color: var(--color-text-muted);
            line-height: 1.7;
            max-width: 680px;
            margin-bottom: 2rem;
        }
        @media (min-width: 768px) {
            .section-desc {
                font-size: 1.05rem;
                margin-bottom: 2.5rem;
            }
        }

        /* Cards */
        .card {
            background: rgba(44, 44, 44, 0.8);
            border: 1px solid rgba(212, 175, 55, 0.15);
            border-radius: var(--radius-card);
            padding: 1.5rem;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            height: 100%;
        }
        .card:hover {
            border-color: rgba(212, 175, 55, 0.5);
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }
        @media (max-width: 767px) {
            .card:hover {
                transform: none;
            }
            .card:active {
                border-color: rgba(212, 175, 55, 0.6);
                box-shadow: 0 0 0 2px rgba(212, 175, 55, 0.2);
            }
        }
        .card-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: rgba(212, 175, 55, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 1rem;
            font-size: 1.3rem;
            color: var(--color-champagne);
            flex-shrink: 0;
        }
        .card-title {
            font-size: 1.15rem;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 0.5rem;
            line-height: 1.4;
        }
        .card-desc {
            font-size: 0.9rem;
            color: var(--color-text-muted);
            line-height: 1.6;
            margin-bottom: 0.75rem;
        }
        .card-link {
            font-weight: 600;
            font-size: 0.9rem;
            color: var(--color-champagne);
            display: inline-flex;
            align-items: center;
            gap: 4px;
            transition: all var(--transition-base);
            text-decoration: none;
        }
        .card-link:hover {
            color: var(--color-champagne-light);
            gap: 8px;
        }
        .card-link::after {
            content: '→';
            transition: transform var(--transition-base);
        }
        .card-link:hover::after {
            transform: translateX(3px);
        }

        /* Grid */
        .grid-3 {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }
        @media (min-width: 768px) {
            .grid-3 {
                grid-template-columns: repeat(3, 1fr);
                gap: 2rem;
            }
        }
        .grid-2 {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }
        @media (min-width: 768px) {
            .grid-2 {
                grid-template-columns: repeat(2, 1fr);
                gap: 2rem;
            }
        }
        .grid-4 {
            display: grid;
            grid-template-columns: 1fr;
            gap: 1.5rem;
        }
        @media (min-width: 640px) {
            .grid-4 {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .grid-4 {
                grid-template-columns: repeat(4, 1fr);
                gap: 2rem;
            }
        }

        /* Scene demo */
        .scene-demo-wrap {
            display: flex;
            flex-direction: column;
            gap: 2rem;
            align-items: center;
        }
        @media (min-width: 768px) {
            .scene-demo-wrap {
                flex-direction: row;
                gap: 3rem;
            }
        }
        .scene-steps {
            flex: 1;
            display: flex;
            flex-direction: column;
            gap: 1.25rem;
        }
        .scene-step {
            display: flex;
            gap: 1rem;
            align-items: flex-start;
            padding: 1rem;
            background: rgba(44, 44, 44, 0.5);
            border-radius: 10px;
            border-left: 3px solid var(--color-champagne);
            transition: all var(--transition-base);
        }
        .scene-step:hover {
            background: rgba(44, 44, 44, 0.75);
            border-left-color: var(--color-champagne-light);
        }
        .scene-step-num {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--color-champagne);
            color: #1E1E1E;
            font-weight: 800;
            font-size: 0.9rem;
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
        }
        .scene-step-text h4 {
            font-size: 1rem;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 4px;
        }
        .scene-step-text p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.5;
        }
        .scene-image {
            flex: 1;
            border-radius: var(--radius-card);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid rgba(212, 175, 55, 0.2);
        }
        .scene-image img {
            width: 100%;
            height: auto;
            display: block;
            object-fit: cover;
            aspect-ratio: 4/3;
        }

        /* Guarantee icons */
        .guarantee-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 1.25rem;
        }
        @media (min-width: 640px) {
            .guarantee-grid {
                grid-template-columns: repeat(3, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .guarantee-grid {
                grid-template-columns: repeat(5, 1fr);
                gap: 1.5rem;
            }
        }
        .guarantee-item {
            text-align: center;
            padding: 1.5rem 1rem;
            background: rgba(44, 44, 44, 0.5);
            border-radius: 10px;
            border: 1px solid rgba(212, 175, 55, 0.1);
            transition: all var(--transition-base);
        }
        .guarantee-item:hover {
            border-color: rgba(212, 175, 55, 0.35);
            background: rgba(44, 44, 44, 0.7);
        }
        .guarantee-icon {
            font-size: 2rem;
            margin-bottom: 0.5rem;
            display: block;
        }
        .guarantee-item h4 {
            font-size: 0.9rem;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 4px;
        }
        .guarantee-item p {
            font-size: 0.78rem;
            color: var(--color-text-muted);
            line-height: 1.4;
        }

        /* Info list */
        .info-layout {
            display: flex;
            flex-direction: column;
            gap: 2rem;
        }
        @media (min-width: 768px) {
            .info-layout {
                flex-direction: row;
                gap: 2.5rem;
            }
        }
        .info-list-col {
            flex: 1.3;
        }
        .info-list-col .info-item {
            display: flex;
            gap: 1rem;
            padding: 1rem 0;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: all var(--transition-base);
            cursor: pointer;
            align-items: flex-start;
        }
        .info-list-col .info-item:hover {
            padding-left: 8px;
            border-bottom-color: rgba(212, 175, 55, 0.3);
        }
        .info-item-tag {
            font-size: 0.7rem;
            font-weight: 700;
            background: rgba(212, 175, 55, 0.15);
            color: var(--color-champagne);
            padding: 3px 10px;
            border-radius: 12px;
            white-space: nowrap;
            letter-spacing: 0.05em;
        }
        .info-item-content h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 3px;
            line-height: 1.4;
        }
        .info-item-content .info-meta {
            font-size: 0.75rem;
            color: var(--color-text-muted);
        }
        .info-side-col {
            flex: 1;
            background: rgba(44, 44, 44, 0.6);
            border-radius: var(--radius-card);
            padding: 1.5rem;
            border: 1px solid rgba(212, 175, 55, 0.12);
            height: fit-content;
        }
        .info-side-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 1rem;
            padding-bottom: 0.75rem;
            border-bottom: 2px solid rgba(212, 175, 55, 0.3);
        }
        .info-side-col .side-item {
            padding: 0.6rem 0;
            font-size: 0.85rem;
            color: var(--color-text-muted);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            transition: color var(--transition-base);
            cursor: pointer;
        }
        .info-side-col .side-item:hover {
            color: #ffffff;
        }
        .info-side-col .side-item .side-num {
            font-weight: 700;
            color: var(--color-champagne);
            margin-right: 6px;
        }

        /* Changelog */
        .changelog-list {
            display: flex;
            flex-direction: column;
            gap: 1rem;
            max-width: 800px;
        }
        .changelog-item {
            display: flex;
            gap: 1.25rem;
            padding: 1.25rem;
            background: rgba(44, 44, 44, 0.5);
            border-radius: 10px;
            border: 1px solid rgba(212, 175, 55, 0.08);
            transition: all var(--transition-base);
            align-items: flex-start;
        }
        .changelog-item:hover {
            border-color: rgba(212, 175, 55, 0.25);
            background: rgba(44, 44, 44, 0.7);
        }
        .changelog-version {
            font-weight: 800;
            font-size: 0.8rem;
            color: var(--color-champagne);
            background: rgba(212, 175, 55, 0.12);
            padding: 4px 12px;
            border-radius: 14px;
            white-space: nowrap;
            letter-spacing: 0.04em;
        }
        .changelog-content h4 {
            font-size: 0.95rem;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 4px;
        }
        .changelog-content p {
            font-size: 0.82rem;
            color: var(--color-text-muted);
            line-height: 1.5;
        }

        /* Testimonials */
        .testimonial-card {
            background: rgba(44, 44, 44, 0.7);
            border: 1px solid rgba(212, 175, 55, 0.12);
            border-radius: var(--radius-card);
            padding: 1.25rem;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-base);
            height: 100%;
            display: flex;
            flex-direction: column;
            gap: 0.75rem;
        }
        .testimonial-card:hover {
            border-color: rgba(212, 175, 55, 0.4);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        @media (max-width: 767px) {
            .testimonial-card:hover {
                transform: none;
            }
        }
        .testimonial-header {
            display: flex;
            align-items: center;
            gap: 0.75rem;
        }
        .testimonial-avatar {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            border: 2px solid var(--color-champagne);
            background: rgba(212, 175, 55, 0.15);
            display: flex;
            align-items: center;
            justify-content: center;
            font-weight: 700;
            color: var(--color-champagne);
            font-size: 0.85rem;
            flex-shrink: 0;
        }
        .testimonial-user {
            font-weight: 600;
            font-size: 0.9rem;
            color: #ffffff;
        }
        .testimonial-time {
            font-size: 0.7rem;
            color: var(--color-text-muted);
        }
        .testimonial-quote {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.6;
            flex: 1;
            font-style: italic;
            position: relative;
            padding-left: 12px;
            border-left: 2px solid rgba(212, 175, 55, 0.3);
        }

        /* CTA */
        .cta-section {
            background: linear-gradient(135deg, rgba(30, 30, 30, 0.95) 0%, rgba(20, 20, 20, 0.98) 100%),
                repeating-linear-gradient(45deg, rgba(212, 175, 55, 0.03) 0px, rgba(212, 175, 55, 0.03) 2px, transparent 2px, transparent 8px);
            border-top: 1px solid rgba(212, 175, 55, 0.2);
            border-bottom: 1px solid rgba(212, 175, 55, 0.2);
            padding: 3rem 1rem;
            text-align: center;
        }
        @media (min-width: 768px) {
            .cta-section {
                padding: 4.5rem 1.5rem;
            }
        }
        .cta-title {
            font-size: 1.75rem;
            font-weight: 800;
            color: #ffffff;
            margin-bottom: 0.75rem;
            letter-spacing: 0.02em;
        }
        @media (min-width: 768px) {
            .cta-title {
                font-size: 2.25rem;
            }
        }
        .cta-subtitle {
            font-size: 1rem;
            color: var(--color-text-muted);
            margin-bottom: 2rem;
            max-width: 500px;
            margin-left: auto;
            margin-right: auto;
            line-height: 1.6;
        }
        .cta-buttons {
            display: flex;
            flex-wrap: wrap;
            gap: 1rem;
            justify-content: center;
        }
        .btn-primary {
            display: inline-block;
            padding: 14px 32px;
            background: linear-gradient(135deg, #D4AF37 0%, #B4942E 100%);
            color: #1E1E1E;
            font-weight: 700;
            font-size: 0.95rem;
            border-radius: var(--radius-btn);
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            text-decoration: none;
            cursor: pointer;
            border: none;
        }
        .btn-primary:hover {
            background: linear-gradient(135deg, #E8C84A 0%, #C9A835 100%);
            transform: scale(1.05);
            box-shadow: 0 6px 22px rgba(212, 175, 55, 0.4);
            color: #1E1E1E;
        }
        .btn-secondary {
            display: inline-block;
            padding: 14px 32px;
            background: transparent;
            color: var(--color-champagne);
            font-weight: 600;
            font-size: 0.95rem;
            border-radius: var(--radius-btn);
            border: 2px solid var(--color-champagne);
            letter-spacing: 0.03em;
            transition: all var(--transition-base);
            text-decoration: none;
            cursor: pointer;
        }
        .btn-secondary:hover {
            background: rgba(212, 175, 55, 0.1);
            border-color: var(--color-champagne-light);
            color: var(--color-champagne-light);
            box-shadow: 0 4px 16px rgba(212, 175, 55, 0.2);
        }

        /* Form */
        .form-section {
            background: rgba(44, 44, 44, 0.5);
            border-radius: var(--radius-card);
            padding: 2rem;
            border: 1px solid rgba(212, 175, 55, 0.15);
            max-width: 600px;
            margin: 0 auto;
        }
        @media (min-width: 768px) {
            .form-section {
                padding: 2.5rem;
            }
        }
        .form-group {
            margin-bottom: 1.25rem;
        }
        .form-group label {
            display: block;
            font-size: 0.85rem;
            font-weight: 600;
            color: #ffffff;
            margin-bottom: 6px;
            letter-spacing: 0.02em;
        }
        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 12px 16px;
            background: rgba(30, 30, 30, 0.7);
            border: 1px solid rgba(212, 175, 55, 0.18);
            border-radius: 8px;
            color: #ffffff;
            font-size: 0.9rem;
            transition: all var(--transition-base);
            font-family: inherit;
        }
        .form-group input:focus,
        .form-group textarea:focus {
            border-color: var(--color-champagne);
            box-shadow: 0 0 0 3px rgba(212, 175, 55, 0.08);
            background: rgba(30, 30, 30, 0.9);
        }
        .form-group input::placeholder,
        .form-group textarea::placeholder {
            color: #777;
        }
        .btn-submit {
            width: 100%;
            padding: 14px;
            background: linear-gradient(135deg, #D4AF37 0%, #B4942E 100%);
            color: #1E1E1E;
            font-weight: 700;
            font-size: 1rem;
            border-radius: var(--radius-btn);
            letter-spacing: 0.04em;
            transition: all var(--transition-base);
            cursor: pointer;
            border: none;
        }
        .btn-submit:hover {
            background: linear-gradient(135deg, #E8C84A 0%, #C9A835 100%);
            box-shadow: 0 6px 20px rgba(212, 175, 55, 0.35);
            transform: scale(1.02);
        }
        .form-note {
            font-size: 0.75rem;
            color: var(--color-text-muted);
            text-align: center;
            margin-top: 1rem;
            line-height: 1.5;
        }

        /* Data strip */
        .data-strip {
            background: #2C2C2C;
            padding: 1.5rem 1rem;
            border-top: 1px solid rgba(212, 175, 55, 0.2);
            border-bottom: 1px solid rgba(212, 175, 55, 0.2);
        }
        @media (min-width: 768px) {
            .data-strip {
                padding: 2rem 1.5rem;
            }
        }
        .data-strip-inner {
            max-width: 1280px;
            margin: 0 auto;
            display: flex;
            flex-wrap: wrap;
            gap: 1.5rem;
            justify-content: center;
            align-items: center;
        }
        @media (min-width: 768px) {
            .data-strip-inner {
                gap: 3rem;
                justify-content: space-around;
            }
        }
        .data-strip-item {
            text-align: center;
            flex: 0 0 auto;
        }
        .data-strip-num {
            font-size: 2rem;
            font-weight: 900;
            color: var(--color-champagne);
            line-height: 1;
        }
        @media (min-width: 768px) {
            .data-strip-num {
                font-size: 2.5rem;
            }
        }
        .data-strip-label {
            font-size: 0.8rem;
            color: var(--color-text-muted);
            margin-top: 4px;
            letter-spacing: 0.04em;
        }
        .data-strip-divider {
            width: 1px;
            height: 40px;
            background: rgba(212, 175, 55, 0.3);
            display: none;
        }
        @media (min-width: 768px) {
            .data-strip-divider {
                display: block;
            }
        }

        /* Qualification */
        .qual-card {
            background: rgba(44, 44, 44, 0.7);
            border: 1px solid rgba(212, 175, 55, 0.13);
            border-radius: var(--radius-card);
            padding: 1.5rem;
            text-align: center;
            height: 100%;
            transition: all var(--transition-base);
            box-shadow: var(--shadow-card);
        }
        .qual-card:hover {
            border-color: rgba(212, 175, 55, 0.4);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-3px);
        }
        @media (max-width: 767px) {
            .qual-card:hover {
                transform: none;
            }
        }
        .qual-card .qual-tier {
            font-size: 0.75rem;
            font-weight: 700;
            letter-spacing: 0.06em;
            color: var(--color-champagne);
            text-transform: uppercase;
            margin-bottom: 0.5rem;
        }
        .qual-card h4 {
            font-size: 1.1rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 0.5rem;
        }
        .qual-card p {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.5;
        }

        /* Footer */
        .site-footer {
            background: #131313;
            padding: 3rem 1rem 1.5rem;
            border-top: 1px solid rgba(212, 175, 55, 0.15);
        }
        @media (min-width: 768px) {
            .site-footer {
                padding: 4rem 1.5rem 2rem;
            }
        }
        .footer-inner {
            max-width: 1280px;
            margin: 0 auto;
            display: grid;
            grid-template-columns: 1fr;
            gap: 2rem;
        }
        @media (min-width: 640px) {
            .footer-inner {
                grid-template-columns: repeat(2, 1fr);
            }
        }
        @media (min-width: 1024px) {
            .footer-inner {
                grid-template-columns: 2fr 1fr 1fr;
                gap: 3rem;
            }
        }
        .footer-col h4 {
            font-size: 1rem;
            font-weight: 700;
            color: #ffffff;
            margin-bottom: 1rem;
            letter-spacing: 0.03em;
        }
        .footer-col p,
        .footer-col a {
            font-size: 0.85rem;
            color: #AAAAAA;
            line-height: 1.7;
            text-decoration: none;
            display: block;
            margin-bottom: 0.4rem;
            transition: color var(--transition-base);
        }
        .footer-col a:hover {
            color: var(--color-champagne);
        }
        .footer-bottom {
            max-width: 1280px;
            margin: 2rem auto 0;
            padding-top: 1.5rem;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            text-align: center;
            font-size: 0.78rem;
            color: #777;
            line-height: 1.6;
        }
        @media (min-width: 768px) {
            .footer-bottom {
                margin-top: 2.5rem;
            }
        }
        .footer-logo-text {
            font-weight: 700;
            font-size: 1.1rem;
            color: #ffffff;
            margin-bottom: 0.5rem;
        }
        .footer-logo-text .logo-accent {
            color: var(--color-champagne);
        }