/* roulang page: index */
:root {
            --color-bg: #090909;
            --color-surface: #141414;
            --color-surface-hover: #1A1A1A;
            --color-surface-alt: #0F0F0F;
            --color-text-primary: #EDEAE5;
            --color-text-secondary: #7D7972;
            --color-text-tertiary: #4A4640;
            --color-gold: #C8A04E;
            --color-gold-hover: #DDB86A;
            --color-gold-glow: rgba(200, 160, 78, 0.25);
            --color-gold-glow-subtle: rgba(200, 160, 78, 0.08);
            --color-gold-glow-input: rgba(200, 160, 78, 0.1);
            --color-border: #1F1F1F;
            --color-border-input: #2A2A2A;
            --color-input-bg: #1C1C1C;
            --color-chip-bg: #1C1C1C;
            --color-chip-hover: #222222;
            --color-success: #2D5A3D;
            --radius-card: 12px;
            --radius-card-mobile: 10px;
            --radius-btn: 8px;
            --radius-btn-secondary: 6px;
            --radius-chip: 20px;
            --radius-input: 8px;
            --radius-icon-container: 16px;
            --radius-img: 8px;
            --shadow-card: 0 1px 3px rgba(0, 0, 0, 0.4);
            --shadow-card-hover: 0 8px 32px rgba(200, 160, 78, 0.08);
            --shadow-cta: 0 4px 16px rgba(200, 160, 78, 0.2);
            --shadow-cta-hover: 0 6px 24px rgba(200, 160, 78, 0.3);
            --shadow-nav-scrolled: 0 2px 8px rgba(0, 0, 0, 0.5);
            --font-family-cn: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --font-family-en: "Inter", "SF Pro Display", system-ui, -apple-system, sans-serif;
            --container-max: 1280px;
            --section-gap-desktop: 160px;
            --section-gap-tablet: 120px;
            --section-gap-mobile: 80px;
            --card-padding-desktop: 32px 40px;
            --card-padding-mobile: 20px 24px;
            --transition-main: 280ms cubic-bezier(0.25, 0.8, 0.25, 1.2);
            --transition-fast: 200ms ease;
            --transition-faq: 350ms ease;
        }

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

        html {
            scroll-behavior: smooth;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
            scroll-padding-top: 80px;
        }

        body {
            background-color: var(--color-bg);
            color: var(--color-text-primary);
            font-family: var(--font-family-cn);
            line-height: 1.75;
            min-height: 100vh;
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color var(--transition-fast);
        }
        a:hover {
            color: var(--color-gold-hover);
        }
        button,
        input,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        button {
            cursor: pointer;
            border: none;
            outline: none;
        }
        input,
        textarea {
            outline: none;
            border: 1px solid var(--color-border-input);
            background: var(--color-input-bg);
            color: var(--color-text-primary);
            border-radius: var(--radius-input);
            padding: 14px 16px;
            transition: border-color var(--transition-fast), box-shadow var(--transition-fast);
            width: 100%;
            font-size: 15px;
        }
        input::placeholder,
        textarea::placeholder {
            color: var(--color-text-tertiary);
        }
        input:focus,
        textarea:focus {
            border-color: var(--color-gold);
            box-shadow: 0 0 0 3px var(--color-gold-glow-input);
        }
        textarea {
            resize: vertical;
            min-height: 100px;
        }
        label {
            display: block;
            color: var(--color-text-secondary);
            font-size: 14px;
            font-weight: 500;
            margin-bottom: 6px;
            letter-spacing: 0.02em;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 32px;
        }

        @media (max-width: 1024px) {
            .container {
                padding: 0 24px;
            }
        }
        @media (max-width: 768px) {
            .container {
                padding: 0 20px;
            }
            html {
                font-size: 15px;
            }
        }
        @media (max-width: 576px) {
            .container {
                padding: 0 16px;
            }
        }

        /* ========== NAVIGATION ========== */
        .nav-bar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            background: rgba(9, 9, 9, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--color-border);
            transition: box-shadow var(--transition-main);
            padding: 0 20px;
        }
        .nav-bar.scrolled {
            box-shadow: var(--shadow-nav-scrolled);
        }
        .nav-inner {
            max-width: var(--container-max);
            margin: 0 auto;
            display: flex;
            align-items: center;
            height: 64px;
            gap: 20px;
        }
        .nav-logo {
            font-family: var(--font-family-cn);
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text-primary);
            white-space: nowrap;
            letter-spacing: 0.03em;
            flex-shrink: 0;
            line-height: 1;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .nav-logo-icon {
            width: 28px;
            height: 28px;
            flex-shrink: 0;
        }
        .nav-chips {
            display: flex;
            align-items: center;
            gap: 8px;
            flex: 1;
            justify-content: center;
            overflow-x: auto;
            -ms-overflow-style: none;
            scrollbar-width: none;
            padding: 4px 0;
        }
        .nav-chips::-webkit-scrollbar {
            display: none;
        }
        .nav-chip {
            display: inline-flex;
            align-items: center;
            white-space: nowrap;
            padding: 8px 18px;
            border-radius: var(--radius-chip);
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 0.04em;
            background: var(--color-chip-bg);
            color: var(--color-text-secondary);
            transition: all var(--transition-fast);
            cursor: pointer;
            flex-shrink: 0;
            user-select: none;
        }
        .nav-chip:hover {
            background: var(--color-chip-hover);
            color: var(--color-text-primary);
        }
        .nav-chip.active {
            background: var(--color-gold);
            color: #090909;
            font-weight: 700;
        }
        .nav-chip.nav-chip-accent {
            border: 1.5px solid var(--color-gold);
            background: transparent;
            color: var(--color-gold);
        }
        .nav-chip.nav-chip-accent:hover {
            background: var(--color-gold-glow-subtle);
            color: var(--color-gold-hover);
        }
        .nav-cta {
            flex-shrink: 0;
        }
        .btn-nav-cta {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 10px 22px;
            background: var(--color-gold);
            color: #090909;
            font-weight: 700;
            font-size: 14px;
            border-radius: var(--radius-btn);
            letter-spacing: 0.03em;
            transition: all var(--transition-main);
            white-space: nowrap;
            box-shadow: var(--shadow-cta);
            cursor: pointer;
        }
        .btn-nav-cta:hover {
            background: var(--color-gold-hover);
            box-shadow: var(--shadow-cta-hover);
            transform: scale(1.03);
            color: #090909;
        }
        .btn-nav-cta:active {
            transform: scale(0.97);
            transition: 80ms ease;
        }

        @media (max-width: 768px) {
            .nav-inner {
                flex-wrap: wrap;
                height: auto;
                padding: 10px 0;
                gap: 10px;
            }
            .nav-logo {
                font-size: 18px;
                flex: 0 0 auto;
            }
            .nav-logo-icon {
                width: 24px;
                height: 24px;
            }
            .nav-chips {
                order: 3;
                flex: 0 0 100%;
                justify-content: flex-start;
                padding: 2px 0 4px;
                gap: 6px;
            }
            .nav-chip {
                padding: 6px 14px;
                font-size: 13px;
                letter-spacing: 0.03em;
            }
            .nav-cta {
                margin-left: auto;
            }
            .btn-nav-cta {
                padding: 8px 16px;
                font-size: 13px;
                border-radius: 6px;
            }
            html {
                scroll-padding-top: 120px;
            }
        }
        @media (max-width: 576px) {
            .nav-inner {
                padding: 8px 0;
                gap: 8px;
            }
            .nav-logo {
                font-size: 16px;
            }
            .nav-logo-icon {
                width: 22px;
                height: 22px;
            }
            .nav-chips {
                gap: 5px;
            }
            .nav-chip {
                padding: 5px 12px;
                font-size: 12px;
                letter-spacing: 0.02em;
            }
            .btn-nav-cta {
                padding: 7px 14px;
                font-size: 12px;
            }
            html {
                scroll-padding-top: 130px;
            }
        }

        /* ========== HERO ========== */
        .hero {
            position: relative;
            min-height: 100vh;
            min-height: 700px;
            display: flex;
            align-items: center;
            justify-content: center;
            background-color: var(--color-bg);
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
            overflow: hidden;
            padding-top: 64px;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, rgba(9, 9, 9, 0.55) 0%, rgba(9, 9, 9, 0.7) 40%, rgba(9, 9, 9, 0.92) 85%, #090909 100%);
            z-index: 1;
        }
        .hero-geo-lines {
            position: absolute;
            inset: 0;
            z-index: 0;
            opacity: 0.18;
            pointer-events: none;
        }
        .hero-geo-lines svg {
            width: 100%;
            height: 100%;
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            display: flex;
            flex-direction: column;
            align-items: center;
            padding: 40px 20px;
            margin-top: -3vh;
        }
        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            border-radius: var(--radius-chip);
            background: rgba(200, 160, 78, 0.12);
            border: 1px solid rgba(200, 160, 78, 0.3);
            color: var(--color-gold);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 20px;
        }
        .hero-h1 {
            font-family: var(--font-family-cn);
            font-size: clamp(40px, 7vw, 76px);
            font-weight: 800;
            color: var(--color-text-primary);
            line-height: 1.05;
            letter-spacing: -0.02em;
            max-width: 700px;
            margin: 0 auto 16px;
        }
        .hero-h1 .gold-accent {
            color: var(--color-gold);
            display: inline;
        }
        .hero-subtitle {
            font-size: clamp(16px, 2vw, 20px);
            color: var(--color-text-secondary);
            font-weight: 400;
            max-width: 480px;
            margin: 0 auto 32px;
            line-height: 1.6;
        }
        .hero-metrics {
            display: flex;
            gap: 40px;
            flex-wrap: wrap;
            justify-content: center;
            margin-bottom: 36px;
        }
        .hero-metric {
            text-align: center;
            min-width: 90px;
        }
        .hero-metric-value {
            font-family: var(--font-family-en);
            font-size: clamp(36px, 5vw, 56px);
            font-weight: 800;
            color: var(--color-gold);
            line-height: 1.1;
            letter-spacing: -0.01em;
        }
        .hero-metric-label {
            font-size: 13px;
            color: var(--color-text-secondary);
            letter-spacing: 0.04em;
            font-weight: 500;
            margin-top: 4px;
        }
        .hero-cta-group {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
            justify-content: center;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: var(--color-gold);
            color: #090909;
            font-weight: 700;
            font-size: 16px;
            border-radius: var(--radius-btn);
            letter-spacing: 0.03em;
            transition: all var(--transition-main);
            box-shadow: var(--shadow-cta);
            cursor: pointer;
            white-space: nowrap;
            border: none;
        }
        .btn-primary:hover {
            background: var(--color-gold-hover);
            box-shadow: var(--shadow-cta-hover);
            transform: scale(1.03);
            color: #090909;
        }
        .btn-primary:active {
            transform: scale(0.97);
            transition: 80ms ease;
        }
        .btn-secondary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: transparent;
            color: var(--color-gold);
            font-weight: 600;
            font-size: 16px;
            border-radius: var(--radius-btn);
            letter-spacing: 0.03em;
            border: 1.5px solid var(--color-gold);
            transition: all var(--transition-main);
            cursor: pointer;
            white-space: nowrap;
        }
        .btn-secondary:hover {
            background: var(--color-gold-glow-subtle);
            color: var(--color-gold-hover);
            border-color: var(--color-gold-hover);
        }
        .hero-scroll-indicator {
            position: absolute;
            bottom: 32px;
            left: 50%;
            transform: translateX(-50%);
            z-index: 2;
            opacity: 0.55;
            animation: floatUpDown 2.4s ease-in-out infinite;
            cursor: pointer;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 4px;
        }
        .hero-scroll-indicator span {
            font-size: 11px;
            letter-spacing: 0.06em;
            color: var(--color-text-tertiary);
            text-transform: uppercase;
        }
        .hero-scroll-arrow {
            width: 20px;
            height: 20px;
            border-right: 2px solid var(--color-text-tertiary);
            border-bottom: 2px solid var(--color-text-tertiary);
            transform: rotate(45deg);
        }
        @keyframes floatUpDown {
            0%,
            100% {
                transform: translateX(-50%) translateY(0);
            }
            50% {
                transform: translateX(-50%) translateY(-10px);
            }
        }
        @media (max-width: 768px) {
            .hero {
                min-height: 600px;
                padding-top: 110px;
            }
            .hero-content {
                margin-top: 0;
                padding: 30px 16px;
            }
            .hero-metrics {
                gap: 24px;
            }
            .hero-metric-value {
                font-size: clamp(28px, 8vw, 44px);
            }
            .btn-primary,
            .btn-secondary {
                padding: 12px 24px;
                font-size: 15px;
                border-radius: 6px;
            }
            .hero-scroll-indicator {
                bottom: 20px;
            }
        }
        @media (max-width: 576px) {
            .hero {
                min-height: 550px;
                padding-top: 120px;
            }
            .hero-metrics {
                gap: 16px;
            }
            .hero-metric {
                min-width: 70px;
            }
            .hero-cta-group {
                flex-direction: column;
                width: 100%;
                max-width: 280px;
            }
            .btn-primary,
            .btn-secondary {
                width: 100%;
                justify-content: center;
                text-align: center;
            }
        }

        /* ========== SECTIONS ========== */
        .section {
            padding: var(--section-gap-desktop) 0;
        }
        .section-alt {
            background-color: var(--color-surface-alt);
        }
        .section-header {
            text-align: center;
            margin-bottom: 56px;
        }
        .section-tag {
            display: inline-block;
            padding: 5px 14px;
            border-radius: var(--radius-chip);
            background: rgba(200, 160, 78, 0.1);
            color: var(--color-gold);
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.06em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }
        .section-h2 {
            font-family: var(--font-family-cn);
            font-size: clamp(28px, 4.5vw, 48px);
            font-weight: 700;
            color: var(--color-text-primary);
            line-height: 1.2;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
        }
        .section-subtitle {
            font-size: clamp(15px, 1.8vw, 17px);
            color: var(--color-text-secondary);
            max-width: 560px;
            margin: 0 auto;
            line-height: 1.6;
        }
        @media (max-width: 1024px) {
            .section {
                padding: var(--section-gap-tablet) 0;
            }
            .section-header {
                margin-bottom: 40px;
            }
        }
        @media (max-width: 768px) {
            .section {
                padding: var(--section-gap-mobile) 0;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }

        /* ========== DASHBOARD ========== */
        .dashboard-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .dash-card {
            background: var(--color-surface);
            border-radius: var(--radius-icon-container);
            padding: var(--card-padding-desktop);
            text-align: center;
            transition: all var(--transition-main);
            box-shadow: var(--shadow-card);
            position: relative;
            overflow: hidden;
        }
        .dash-card:hover {
            background: var(--color-surface-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .dash-card-icon {
            width: 40px;
            height: 40px;
            margin: 0 auto 16px;
            color: var(--color-gold);
            opacity: 0.85;
        }
        .dash-card-value {
            font-family: var(--font-family-en);
            font-size: clamp(36px, 5vw, 56px);
            font-weight: 800;
            color: var(--color-gold);
            line-height: 1.1;
            letter-spacing: -0.01em;
            margin-bottom: 4px;
        }
        .dash-card-label {
            font-size: 14px;
            color: var(--color-text-secondary);
            font-weight: 500;
            letter-spacing: 0.03em;
        }
        .dash-card-trend {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 12px;
            color: var(--color-gold);
            font-weight: 600;
            margin-top: 6px;
            letter-spacing: 0.02em;
        }
        @media (max-width: 1024px) {
            .dashboard-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        @media (max-width: 576px) {
            .dashboard-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 12px;
            }
            .dash-card {
                padding: var(--card-padding-mobile);
            }
            .dash-card-value {
                font-size: clamp(28px, 10vw, 40px);
            }
        }

        /* ========== SERVICES ========== */
        .services-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .service-card {
            background: var(--color-surface);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all var(--transition-main);
            box-shadow: var(--shadow-card);
            display: flex;
            flex-direction: column;
        }
        .service-card:hover {
            background: var(--color-surface-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .service-card-img-wrap {
            position: relative;
            height: 180px;
            overflow: hidden;
            background: #1A1A1A;
        }
        .service-card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            border-radius: var(--radius-card) var(--radius-card) 0 0;
            transition: transform 0.6s ease;
        }
        .service-card:hover .service-card-img-wrap img {
            transform: scale(1.04);
        }
        .service-card-img-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(20, 20, 20, 0.9) 0%, transparent 60%);
            opacity: 0;
            transition: opacity var(--transition-main);
            pointer-events: none;
        }
        .service-card:hover .service-card-img-overlay {
            opacity: 1;
        }
        .service-card-body {
            padding: 24px 24px 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .service-card-icon {
            width: 36px;
            height: 36px;
            color: var(--color-gold);
            margin-bottom: 12px;
            flex-shrink: 0;
        }
        .service-card h3 {
            font-family: var(--font-family-cn);
            font-size: 20px;
            font-weight: 600;
            color: var(--color-text-primary);
            margin-bottom: 8px;
            letter-spacing: 0.01em;
        }
        .service-card p {
            font-size: 14px;
            color: var(--color-text-secondary);
            line-height: 1.6;
            flex: 1;
            margin-bottom: 12px;
        }
        .service-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--color-gold);
            letter-spacing: 0.02em;
            transition: all var(--transition-fast);
            cursor: pointer;
        }
        .service-card-link:hover {
            color: var(--color-gold-hover);
            gap: 10px;
        }
        .service-card-link-arrow {
            display: inline-block;
            transition: transform var(--transition-fast);
        }
        .service-card-link:hover .service-card-link-arrow {
            transform: translateX(3px);
        }
        @media (max-width: 1024px) {
            .services-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 20px;
            }
        }
        @media (max-width: 576px) {
            .services-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .service-card-img-wrap {
                height: 160px;
            }
            .service-card-body {
                padding: 18px 18px 22px;
            }
            .service-card h3 {
                font-size: 18px;
            }
        }

        /* ========== RESULTS ========== */
        .results-wrapper {
            display: grid;
            grid-template-columns: 1fr auto 1fr;
            gap: 32px;
            align-items: start;
            max-width: 900px;
            margin: 0 auto;
        }
        .results-col {
            background: var(--color-surface);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
        }
        .results-col.alt-col {
            background: #12100D;
            border: 1px solid rgba(200, 160, 78, 0.2);
        }
        .results-col h3 {
            font-family: var(--font-family-cn);
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 20px;
            text-align: center;
            letter-spacing: 0.02em;
        }
        .results-col h3.dim {
            color: var(--color-text-secondary);
        }
        .results-col h3.gold {
            color: var(--color-gold);
        }
        .results-divider {
            display: flex;
            align-items: center;
            justify-content: center;
            align-self: stretch;
            padding: 0 8px;
        }
        .results-vs {
            display: flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: var(--color-surface);
            border: 2px solid var(--color-border);
            font-family: var(--font-family-en);
            font-weight: 800;
            font-size: 14px;
            color: var(--color-text-tertiary);
            letter-spacing: 0.04em;
            flex-shrink: 0;
        }
        .result-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 10px 0;
            border-bottom: 1px solid var(--color-border);
            font-size: 14px;
            color: var(--color-text-secondary);
        }
        .result-item:last-child {
            border-bottom: none;
        }
        .result-icon {
            width: 20px;
            height: 20px;
            flex-shrink: 0;
        }
        .result-icon.check {
            color: var(--color-gold);
        }
        .result-icon.cross {
            color: var(--color-text-tertiary);
        }
        .result-highlight {
            font-weight: 700;
            color: var(--color-gold);
            font-family: var(--font-family-en);
            font-size: 22px;
            line-height: 1;
        }
        @media (max-width: 768px) {
            .results-wrapper {
                grid-template-columns: 1fr;
                gap: 20px;
                max-width: 500px;
            }
            .results-divider {
                flex-direction: row;
                padding: 8px 0;
            }
            .results-vs {
                width: 36px;
                height: 36px;
                font-size: 12px;
            }
            .results-col {
                padding: 20px 18px;
            }
        }

        /* ========== FAQ ========== */
        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 8px;
        }
        .faq-item {
            background: var(--color-surface);
            border-radius: var(--radius-btn);
            overflow: hidden;
            box-shadow: var(--shadow-card);
            transition: background var(--transition-fast);
        }
        .faq-item.open {
            background: #181818;
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--color-text-primary);
            letter-spacing: 0.02em;
            background: none;
            border: none;
            text-align: left;
            min-height: 52px;
            gap: 16px;
            transition: color var(--transition-fast);
            font-family: var(--font-family-cn);
        }
        .faq-question:hover {
            color: var(--color-gold-hover);
        }
        .faq-icon {
            width: 22px;
            height: 22px;
            flex-shrink: 0;
            color: var(--color-gold);
            transition: transform var(--transition-faq);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height var(--transition-faq), padding var(--transition-faq);
            padding: 0 24px;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }
        .faq-answer-inner {
            color: var(--color-text-secondary);
            line-height: 1.7;
            font-size: 15px;
        }
        @media (max-width: 576px) {
            .faq-question {
                padding: 16px 18px;
                font-size: 15px;
                min-height: 48px;
            }
            .faq-answer {
                padding: 0 18px;
            }
            .faq-item.open .faq-answer {
                padding: 0 18px 16px;
            }
            .faq-answer-inner {
                font-size: 14px;
            }
        }

        /* ========== CONTACT ========== */
        .contact-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            align-items: center;
            max-width: 1000px;
            margin: 0 auto;
        }
        .contact-info h2 {
            font-family: var(--font-family-cn);
            font-size: clamp(28px, 4.5vw, 42px);
            font-weight: 700;
            color: var(--color-text-primary);
            line-height: 1.2;
            letter-spacing: -0.01em;
            margin-bottom: 12px;
        }
        .contact-info .urgency-text {
            font-size: 16px;
            color: var(--color-text-secondary);
            line-height: 1.6;
            margin-bottom: 20px;
        }
        .contact-trust-badges {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
        }
        .trust-badge {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--color-text-secondary);
            font-weight: 500;
        }
        .trust-badge-icon {
            width: 18px;
            height: 18px;
            color: var(--color-gold);
            flex-shrink: 0;
        }
        .contact-form-wrap {
            background: var(--color-surface);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
        }
        .contact-form {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .btn-submit {
            width: 100%;
            padding: 14px 32px;
            background: var(--color-gold);
            color: #090909;
            font-weight: 700;
            font-size: 16px;
            border-radius: var(--radius-btn);
            letter-spacing: 0.03em;
            transition: all var(--transition-main);
            box-shadow: var(--shadow-cta);
            cursor: pointer;
            border: none;
            text-align: center;
        }
        .btn-submit:hover {
            background: var(--color-gold-hover);
            box-shadow: var(--shadow-cta-hover);
            transform: scale(1.02);
            color: #090909;
        }
        .btn-submit:active {
            transform: scale(0.97);
            transition: 80ms ease;
        }
        .btn-submit.success {
            background: var(--color-success);
            color: #EDEAE5;
            pointer-events: none;
        }
        @media (max-width: 768px) {
            .contact-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .contact-info {
                text-align: center;
            }
            .contact-trust-badges {
                justify-content: center;
            }
            .contact-form-wrap {
                padding: 24px 18px;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: var(--color-bg);
            border-top: 1px solid var(--color-border);
            padding: 40px 0 28px;
            text-align: center;
        }
        .footer-logo {
            font-family: var(--font-family-cn);
            font-size: 20px;
            font-weight: 700;
            color: var(--color-text-primary);
            letter-spacing: 0.03em;
            margin-bottom: 8px;
            display: inline-block;
        }
        .footer-desc {
            font-size: 13px;
            color: var(--color-text-tertiary);
            max-width: 400px;
            margin: 0 auto 16px;
            line-height: 1.5;
        }
        .footer-links {
            display: flex;
            flex-wrap: wrap;
            justify-content: center;
            gap: 20px;
            margin-bottom: 16px;
            font-size: 13px;
            color: var(--color-text-tertiary);
        }
        .footer-links a {
            color: var(--color-text-tertiary);
            transition: color var(--transition-fast);
            cursor: pointer;
        }
        .footer-links a:hover {
            color: var(--color-gold);
        }
        .footer-copyright {
            font-size: 12px;
            color: var(--color-text-tertiary);
            letter-spacing: 0.02em;
        }
        .footer-copyright span {
            color: var(--color-text-secondary);
        }
        @media (max-width: 576px) {
            .site-footer {
                padding: 28px 0 20px;
            }
            .footer-links {
                gap: 14px;
                font-size: 12px;
            }
        }

        /* ========== ANIMATIONS ========== */
        .fade-in-up {
            opacity: 0;
            transform: translateY(30px);
            transition: opacity 0.7s ease, transform 0.7s ease;
        }
        .fade-in-up.visible {
            opacity: 1;
            transform: translateY(0);
        }
        .fade-in-up-delay-1 {
            transition-delay: 0.1s;
        }
        .fade-in-up-delay-2 {
            transition-delay: 0.2s;
        }
        .fade-in-up-delay-3 {
            transition-delay: 0.3s;
        }
        .fade-in-up-delay-4 {
            transition-delay: 0.4s;
        }

        /* ========== UTILITY ========== */
        .sr-only {
            position: absolute;
            width: 1px;
            height: 1px;
            padding: 0;
            margin: -1px;
            overflow: hidden;
            clip: rect(0, 0, 0, 0);
            white-space: nowrap;
            border-width: 0;
        }
        @media (max-width: 576px) {
            .hide-mobile {
                display: none !important;
            }
        }
        @media (min-width: 577px) {
            .show-mobile-only {
                display: none !important;
            }
        }