/* roulang page: index */
:root {
            --bg-primary: #0E0E0E;
            --bg-secondary: #1A1A1A;
            --bg-card: #1c1c1c;
            --bg-coffee: #3A2C1A;
            --bg-coffee-light: #4a3825;
            --gold: #D4A843;
            --gold-light: #e0bc5a;
            --gold-dark: #b8912e;
            --gold-glow: rgba(212, 168, 67, 0.35);
            --gold-border: rgba(212, 168, 67, 0.25);
            --gold-border-hover: rgba(212, 168, 67, 0.7);
            --wine: #722F37;
            --wine-light: #8a3d46;
            --text-primary: #f0ece6;
            --text-secondary: #c5bfb3;
            --text-muted: #9a948a;
            --text-dim: #6b6560;
            --border-subtle: rgba(255, 255, 255, 0.08);
            --border-medium: rgba(255, 255, 255, 0.14);
            --radius-sm: 6px;
            --radius-md: 8px;
            --radius-lg: 12px;
            --radius-xl: 16px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.45), 0 1px 4px rgba(0, 0, 0, 0.35);
            --shadow-card-hover: 0 12px 36px rgba(0, 0, 0, 0.55), 0 2px 8px rgba(0, 0, 0, 0.4);
            --shadow-gold: 0 0 20px rgba(212, 168, 67, 0.2);
            --transition-fast: 0.2s ease;
            --transition-normal: 0.3s ease;
            --transition-slow: 0.45s cubic-bezier(0.25, 0.8, 0.25, 1.2);
            --font-xl: 48px;
            --font-lg: 36px;
            --font-md: 20px;
            --font-base: 16px;
            --font-sm: 14px;
            --font-xs: 12px;
            --line-height-relaxed: 1.8;
            --line-height-normal: 1.65;
            --spacing-section: 100px;
            --spacing-section-mobile: 60px;
            --container-max: 1320px;
            --container-padding: 24px;
            --container-padding-mobile: 16px;
        }

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

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

        body {
            font-family: -apple-system, BlinkMacSystemFont, 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', sans-serif;
            background-color: var(--bg-primary);
            color: var(--text-primary);
            line-height: var(--line-height-normal);
            font-size: var(--font-base);
            min-height: 100vh;
            overflow-x: hidden;
            background-image:
                radial-gradient(ellipse at 50% 0%, rgba(212, 168, 67, 0.03) 0%, transparent 70%),
                radial-gradient(ellipse at 80% 30%, rgba(58, 44, 26, 0.15) 0%, transparent 60%),
                radial-gradient(ellipse at 20% 70%, rgba(114, 47, 55, 0.06) 0%, transparent 55%);
            background-attachment: fixed;
        }

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

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

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

        button,
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
            background: none;
            color: inherit;
        }

        button {
            cursor: pointer;
        }

        ul,
        ol {
            list-style: none;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-weight: 700;
            line-height: 1.3;
            color: var(--text-primary);
        }

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

        /* ============ NAVIGATION / HEADER - 分屏Hero联动 ============ */
        .hero-wrapper {
            position: relative;
            display: flex;
            min-height: 100vh;
            overflow: hidden;
        }

        .hero-left {
            width: 48%;
            display: flex;
            flex-direction: column;
            justify-content: center;
            padding: 60px 48px 60px 56px;
            position: relative;
            z-index: 3;
            background: var(--bg-primary);
        }

        .hero-nav-logo {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            letter-spacing: 0.04em;
            margin-bottom: 32px;
            position: relative;
            display: inline-block;
            line-height: 1.35;
        }

        .hero-nav-logo .logo-main {
            display: block;
            font-size: 24px;
            color: var(--gold);
            letter-spacing: 0.06em;
        }

        .hero-nav-logo .logo-sub {
            display: block;
            font-size: 13px;
            color: var(--text-muted);
            font-weight: 400;
            letter-spacing: 0.08em;
            margin-top: 2px;
        }

        .hero-nav-links {
            display: flex;
            flex-wrap: wrap;
            gap: 6px;
            margin-bottom: 48px;
            flex-direction: column;
        }

        .hero-nav-links a {
            display: inline-block;
            padding: 8px 0;
            font-size: 15px;
            color: var(--text-secondary);
            letter-spacing: 0.03em;
            transition: all var(--transition-fast);
            position: relative;
            width: fit-content;
        }

        .hero-nav-links a::after {
            content: '';
            position: absolute;
            bottom: 4px;
            left: 0;
            width: 0;
            height: 1px;
            background: var(--gold);
            transition: width var(--transition-normal);
        }

        .hero-nav-links a:hover {
            color: var(--gold);
        }

        .hero-nav-links a:hover::after {
            width: 100%;
        }

        .hero-nav-links a.nav-active {
            color: var(--gold);
            font-weight: 600;
        }

        .hero-nav-links a.nav-active::after {
            width: 100%;
        }

        .hero-content {
            flex: 1;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }

        .hero-badge-row {
            display: flex;
            gap: 10px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }

        .hero-badge {
            display: inline-block;
            padding: 5px 14px;
            font-size: 12px;
            font-weight: 600;
            letter-spacing: 0.05em;
            border-radius: 20px;
            background: rgba(212, 168, 67, 0.12);
            color: var(--gold);
            border: 1px solid rgba(212, 168, 67, 0.3);
        }

        .hero-badge.hot {
            background: var(--wine);
            color: #fce4e4;
            border-color: var(--wine-light);
            animation: badgePulse 2s ease-in-out infinite;
        }

        @keyframes badgePulse {
            0%,
            100% {
                box-shadow: 0 0 0 0 rgba(114, 47, 55, 0.5);
            }
            50% {
                box-shadow: 0 0 0 10px rgba(114, 47, 55, 0);
            }
        }

        .hero-title {
            font-size: var(--font-xl);
            font-weight: 800;
            line-height: 1.2;
            color: var(--text-primary);
            margin-bottom: 18px;
            letter-spacing: 0.02em;
        }

        .hero-title .gold-line {
            display: block;
            width: 60px;
            height: 3px;
            background: var(--gold);
            margin: 16px 0;
            border-radius: 2px;
        }

        .hero-subtitle {
            font-size: 18px;
            color: var(--text-secondary);
            line-height: var(--line-height-relaxed);
            margin-bottom: 12px;
            font-weight: 400;
        }

        .hero-desc {
            font-size: 15px;
            color: var(--text-muted);
            line-height: var(--line-height-relaxed);
            margin-bottom: 28px;
            max-width: 460px;
        }

        .hero-cta-group {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 13px 28px;
            font-size: 15px;
            font-weight: 700;
            border-radius: var(--radius-sm);
            letter-spacing: 0.03em;
            transition: all var(--transition-normal);
            cursor: pointer;
            white-space: nowrap;
            min-width: 130px;
            text-align: center;
        }

        .btn-primary {
            background: var(--gold);
            color: #0E0E0E;
            border: 2px solid var(--gold);
            box-shadow: 0 4px 16px rgba(212, 168, 67, 0.3);
        }

        .btn-primary:hover {
            background: var(--gold-light);
            border-color: var(--gold-light);
            box-shadow: 0 6px 24px rgba(212, 168, 67, 0.45);
            transform: translateY(-2px);
            color: #0E0E0E;
        }

        .btn-outline {
            background: transparent;
            color: var(--gold);
            border: 2px solid var(--gold);
        }

        .btn-outline:hover {
            background: rgba(212, 168, 67, 0.1);
            border-color: var(--gold-light);
            color: var(--gold-light);
            box-shadow: 0 4px 16px rgba(212, 168, 67, 0.2);
            transform: translateY(-2px);
        }

        .hero-right {
            width: 52%;
            position: relative;
            overflow: hidden;
            min-height: 100vh;
        }

        .hero-right .hero-bg-image {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/backpic/back-1.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }

        .hero-right .hero-overlay {
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, transparent 30%, rgba(14, 14, 14, 0.55) 70%, rgba(14, 14, 14, 0.85) 100%);
            z-index: 1;
        }

        .hero-right .hero-overlay-left {
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 120px;
            background: linear-gradient(to right, var(--bg-primary) 0%, transparent 100%);
            z-index: 2;
        }

        .hero-explosion-tag {
            position: absolute;
            top: 18%;
            right: 8%;
            z-index: 4;
            background: var(--wine);
            color: #fff;
            padding: 10px 18px;
            border-radius: 50px;
            font-weight: 700;
            font-size: 14px;
            letter-spacing: 0.05em;
            transform: rotate(3deg);
            box-shadow: 0 6px 20px rgba(114, 47, 55, 0.5);
            animation: floatTag 3s ease-in-out infinite;
            border: 2px dashed rgba(255, 255, 255, 0.3);
        }

        @keyframes floatTag {
            0%,
            100% {
                transform: rotate(3deg) translateY(0);
            }
            50% {
                transform: rotate(3deg) translateY(-12px);
            }
        }

        .hero-cta-corner {
            position: absolute;
            top: 28px;
            right: 32px;
            z-index: 5;
        }

        .hero-cta-corner .btn {
            padding: 11px 22px;
            font-size: 14px;
            min-width: auto;
        }

        /* Mobile nav toggle */
        .mobile-nav-toggle {
            display: none;
            background: none;
            border: none;
            cursor: pointer;
            padding: 8px;
            z-index: 100;
            flex-direction: column;
            gap: 5px;
        }

        .mobile-nav-toggle span {
            display: block;
            width: 26px;
            height: 2px;
            background: var(--text-primary);
            border-radius: 2px;
            transition: all var(--transition-fast);
        }

        .mobile-nav {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background: rgba(14, 14, 14, 0.97);
            z-index: 99;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 24px;
        }

        .mobile-nav.active {
            display: flex;
        }

        .mobile-nav a {
            font-size: 20px;
            color: var(--text-primary);
            font-weight: 600;
            letter-spacing: 0.04em;
            padding: 10px 20px;
        }

        .mobile-nav a:hover {
            color: var(--gold);
        }

        .mobile-top-bar {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 90;
            background: rgba(14, 14, 14, 0.9);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            padding: 12px 20px;
            align-items: center;
            justify-content: space-between;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        /* ============ SECTION COMMONS ============ */
        section {
            padding: var(--spacing-section) 0;
        }

        .section-label {
            display: inline-block;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 0.08em;
            color: var(--gold);
            text-transform: uppercase;
            margin-bottom: 10px;
            padding: 4px 12px;
            border: 1px solid rgba(212, 168, 67, 0.3);
            border-radius: 20px;
            background: rgba(212, 168, 67, 0.06);
        }

        .section-title {
            font-size: var(--font-lg);
            font-weight: 700;
            margin-bottom: 12px;
            letter-spacing: 0.02em;
            color: var(--text-primary);
        }

        .section-desc {
            font-size: 16px;
            color: var(--text-muted);
            line-height: var(--line-height-relaxed);
            margin-bottom: 40px;
            max-width: 600px;
        }

        .section-header {
            margin-bottom: 48px;
        }

        .section-header.centered {
            text-align: center;
        }
        .section-header.centered .section-desc {
            margin-left: auto;
            margin-right: auto;
        }

        /* ============ SECTION: 资料目录 / 功能分组 ============ */
        .catalog-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            grid-template-rows: auto auto;
            gap: 24px;
            grid-template-areas:
                "card1 card2 card3"
                "card1 card4 card4";
        }

        .catalog-card {
            background: var(--bg-card);
            border: 1px solid var(--gold-border);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            transition: all var(--transition-slow);
            position: relative;
            overflow: hidden;
            cursor: default;
        }

        .catalog-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--gold), transparent);
            opacity: 0;
            transition: opacity var(--transition-normal);
        }

        .catalog-card:hover {
            border-color: var(--gold-border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
        }

        .catalog-card:hover::before {
            opacity: 1;
        }

        .catalog-card.card-featured {
            grid-area: card1;
            background: var(--bg-coffee);
            border-color: rgba(212, 168, 67, 0.4);
            padding: 36px 28px;
        }

        .catalog-card.card-featured .card-icon {
            font-size: 40px;
            margin-bottom: 16px;
        }

        .catalog-card:nth-child(2) {
            grid-area: card2;
        }
        .catalog-card:nth-child(3) {
            grid-area: card3;
        }
        .catalog-card:nth-child(4) {
            grid-area: card4;
            display: flex;
            align-items: center;
            gap: 20px;
            flex-direction: row;
        }

        .catalog-card:nth-child(4) .card-icon {
            flex-shrink: 0;
            font-size: 32px;
        }

        .card-number {
            font-size: 11px;
            font-weight: 700;
            color: var(--gold);
            letter-spacing: 0.1em;
            margin-bottom: 8px;
            opacity: 0.8;
        }

        .card-icon {
            font-size: 28px;
            margin-bottom: 12px;
            color: var(--gold);
            display: inline-block;
        }

        .card-title {
            font-size: var(--font-md);
            font-weight: 700;
            margin-bottom: 8px;
            color: var(--text-primary);
            letter-spacing: 0.02em;
        }

        .card-desc {
            font-size: var(--font-sm);
            color: var(--text-muted);
            line-height: var(--line-height-relaxed);
        }

        /* ============ SECTION: 价值点 / 使用场景 ============ */
        .scenes-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .scene-card {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 340px;
            background-size: cover;
            background-position: center;
            display: flex;
            align-items: flex-end;
            cursor: pointer;
            transition: all var(--transition-slow);
        }

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

        .scene-card .scene-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(14, 14, 14, 0.9) 0%, rgba(14, 14, 14, 0.35) 50%, rgba(14, 14, 14, 0.1) 100%);
            z-index: 1;
            transition: all var(--transition-normal);
        }

        .scene-card:hover .scene-overlay {
            background: linear-gradient(to top, rgba(14, 14, 14, 0.95) 0%, rgba(14, 14, 14, 0.4) 50%, rgba(14, 14, 14, 0.15) 100%);
        }

        .scene-card .scene-info {
            position: relative;
            z-index: 2;
            padding: 28px 24px;
            width: 100%;
        }

        .scene-tag {
            display: inline-block;
            padding: 4px 12px;
            font-size: 11px;
            font-weight: 700;
            letter-spacing: 0.06em;
            background: var(--gold);
            color: #0E0E0E;
            border-radius: 20px;
            margin-bottom: 8px;
        }

        .scene-title {
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 4px;
        }

        .scene-desc {
            font-size: 13px;
            color: rgba(255, 255, 255, 0.75);
        }

        .scene-card.scene-1 {
            background-image: url('/assets/images/coverpic/cover-2.webp');
        }
        .scene-card.scene-2 {
            background-image: url('/assets/images/coverpic/cover-3.jpg');
        }

        /* ============ SECTION: 社会认同 ============ */
        .trust-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            text-align: center;
        }

        .trust-stat-item {
            padding: 24px 16px;
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-subtle);
            transition: all var(--transition-normal);
        }

        .trust-stat-item:hover {
            border-color: var(--gold-border);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .trust-stat-number {
            font-size: 38px;
            font-weight: 800;
            color: var(--gold);
            letter-spacing: 0.02em;
            margin-bottom: 4px;
        }

        .trust-stat-label {
            font-size: 13px;
            color: var(--text-muted);
            letter-spacing: 0.04em;
        }

        .trust-stars {
            display: flex;
            justify-content: center;
            gap: 3px;
            margin-bottom: 6px;
            color: var(--gold);
            font-size: 18px;
        }

        /* ============ SECTION: 成功案例 / 票根证言 ============ */
        .testimonials-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: start;
        }

        .testimonial-image-area {
            border-radius: var(--radius-lg);
            overflow: hidden;
            min-height: 420px;
            background-image: url('/assets/images/coverpic/cover-4.webp');
            background-size: cover;
            background-position: center;
            position: relative;
        }

        .testimonial-image-area::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(14, 14, 14, 0.5) 0%, transparent 60%);
        }

        .testimonial-tickets {
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .ticket-card {
            background: var(--bg-coffee);
            border: 1px solid rgba(212, 168, 67, 0.2);
            border-radius: var(--radius-md);
            padding: 24px 20px;
            position: relative;
            transition: all var(--transition-normal);
        }

        .ticket-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 16px;
            right: 16px;
            height: 0;
            border-top: 2px dashed rgba(212, 168, 67, 0.35);
        }

        .ticket-card::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 16px;
            right: 16px;
            height: 0;
            border-bottom: 2px dashed rgba(212, 168, 67, 0.35);
        }

        .ticket-card:hover {
            border-color: var(--gold-border-hover);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }

        .ticket-top {
            display: flex;
            justify-content: space-between;
            align-items: center;
            margin-bottom: 10px;
            padding-top: 6px;
        }

        .ticket-code {
            font-size: 10px;
            font-weight: 700;
            color: var(--gold);
            letter-spacing: 0.1em;
            opacity: 0.7;
        }

        .ticket-stars {
            color: var(--gold);
            font-size: 13px;
            letter-spacing: 2px;
        }

        .ticket-quote {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: var(--line-height-relaxed);
            margin-bottom: 10px;
            font-style: italic;
        }

        .ticket-author {
            font-size: 12px;
            color: var(--text-muted);
            letter-spacing: 0.03em;
        }

        /* ============ SECTION: 价格 / 服务层级 ============ */
        .pricing-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .pricing-card {
            background: linear-gradient(180deg, var(--bg-card) 0%, #151515 100%);
            border: 1px solid var(--border-subtle);
            border-radius: var(--radius-lg);
            padding: 28px 20px;
            text-align: center;
            transition: all var(--transition-slow);
            position: relative;
            opacity: 0.85;
        }

        .pricing-card:hover {
            opacity: 1;
            transform: translateY(-4px);
            box-shadow: var(--shadow-card-hover);
        }

        .pricing-card.featured {
            border-color: var(--gold);
            opacity: 1;
            box-shadow: 0 0 30px rgba(212, 168, 67, 0.2), 0 8px 28px rgba(0, 0, 0, 0.5);
            background: linear-gradient(180deg, #1f1a10 0%, #15120a 100%);
            transform: scale(1.03);
            z-index: 2;
        }

        .pricing-card.featured:hover {
            transform: scale(1.03) translateY(-4px);
            box-shadow: 0 0 40px rgba(212, 168, 67, 0.3), 0 12px 32px rgba(0, 0, 0, 0.55);
        }

        .pricing-card.featured .pricing-ribbon {
            position: absolute;
            top: -1px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--gold);
            color: #0E0E0E;
            padding: 5px 16px;
            font-size: 11px;
            font-weight: 700;
            letter-spacing: 0.06em;
            border-radius: 0 0 8px 8px;
        }

        .pricing-tier {
            font-size: 13px;
            font-weight: 700;
            letter-spacing: 0.06em;
            color: var(--text-muted);
            margin-bottom: 12px;
            text-transform: uppercase;
        }

        .pricing-card.featured .pricing-tier {
            color: var(--gold);
        }

        .pricing-amount {
            font-size: 42px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 6px;
            letter-spacing: 0.02em;
        }

        .pricing-card.featured .pricing-amount {
            color: var(--gold);
        }

        .pricing-unit {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        .pricing-features {
            list-style: none;
            padding: 0;
            margin-bottom: 20px;
            text-align: left;
        }

        .pricing-features li {
            font-size: 13px;
            color: var(--text-secondary);
            padding: 6px 0;
            border-bottom: 1px solid var(--border-subtle);
            position: relative;
            padding-left: 18px;
        }

        .pricing-features li::before {
            content: '✓';
            position: absolute;
            left: 0;
            color: var(--gold);
            font-weight: 700;
            font-size: 11px;
        }

        .pricing-card .btn {
            width: 100%;
            font-size: 13px;
            padding: 11px 16px;
            min-width: auto;
        }

        .pricing-card.featured .btn {
            background: var(--gold);
            color: #0E0E0E;
            border-color: var(--gold);
            box-shadow: 0 4px 16px rgba(212, 168, 67, 0.35);
        }

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

        .faq-item {
            border-bottom: 1px solid rgba(212, 168, 67, 0.2);
            margin-bottom: 0;
        }

        .faq-item summary {
            padding: 18px 0;
            font-size: 17px;
            font-weight: 700;
            color: var(--text-primary);
            cursor: pointer;
            list-style: none;
            display: flex;
            justify-content: space-between;
            align-items: center;
            gap: 16px;
            transition: color var(--transition-fast);
            letter-spacing: 0.02em;
        }

        .faq-item summary::-webkit-details-marker {
            display: none;
        }

        .faq-item summary:hover {
            color: var(--gold);
        }

        .faq-icon {
            flex-shrink: 0;
            width: 28px;
            height: 28px;
            border-radius: 50%;
            border: 1px solid rgba(212, 168, 67, 0.4);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--gold);
            transition: all var(--transition-normal);
        }

        .faq-item[open] .faq-icon {
            transform: rotate(45deg);
            background: rgba(212, 168, 67, 0.15);
        }

        .faq-answer {
            padding: 0 0 20px 0;
            font-size: 15px;
            color: var(--text-muted);
            line-height: var(--line-height-relaxed);
        }

        /* ============ SECTION: 资讯区 ============ */
        .news-layout {
            display: grid;
            grid-template-columns: 1.5fr 1fr;
            gap: 32px;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 0;
        }

        .news-list-item {
            padding: 16px 0;
            border-bottom: 1px solid var(--border-subtle);
            transition: all var(--transition-fast);
            display: flex;
            align-items: baseline;
            gap: 12px;
        }

        .news-list-item:hover {
            border-bottom-color: var(--gold-border);
        }

        .news-list-item .news-date {
            font-size: 11px;
            color: var(--text-dim);
            letter-spacing: 0.04em;
            flex-shrink: 0;
            min-width: 50px;
        }

        .news-list-item .news-title-link {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.5;
            transition: color var(--transition-fast);
            font-weight: 500;
        }

        .news-list-item .news-title-link:hover {
            color: var(--gold);
        }

        .news-recommend {
            background: var(--bg-card);
            border-radius: var(--radius-lg);
            padding: 24px;
            border: 1px solid var(--border-subtle);
            height: fit-content;
        }

        .news-recommend h4 {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 16px;
            color: var(--gold);
            letter-spacing: 0.04em;
        }

        .news-recommend-item {
            padding: 10px 0;
            border-bottom: 1px solid var(--border-subtle);
            font-size: 14px;
            color: var(--text-secondary);
            cursor: pointer;
            transition: color var(--transition-fast);
        }

        .news-recommend-item:hover {
            color: var(--gold);
        }

        .news-recommend-item:last-child {
            border-bottom: none;
        }

        /* ============ SECTION: 留资下载 / 表单CTA ============ */
        .cta-form-section {
            background: var(--bg-secondary);
            border-radius: var(--radius-xl);
            padding: 48px 40px;
            border: 1px solid var(--border-subtle);
            position: relative;
            overflow: hidden;
        }

        .cta-form-section::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(212, 168, 67, 0.08) 0%, transparent 70%);
            pointer-events: none;
        }

        .cta-form-inner {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
            position: relative;
            z-index: 1;
        }

        .cta-form-info h3 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text-primary);
            letter-spacing: 0.02em;
        }

        .cta-form-info p {
            font-size: 15px;
            color: var(--text-muted);
            line-height: var(--line-height-relaxed);
        }

        .form-group {
            margin-bottom: 16px;
        }

        .form-group input,
        .form-group textarea {
            width: 100%;
            padding: 13px 16px;
            background: var(--bg-card);
            border: 1px solid var(--border-medium);
            border-radius: var(--radius-sm);
            color: var(--text-primary);
            font-size: 15px;
            transition: all var(--transition-fast);
            letter-spacing: 0.02em;
        }

        .form-group input::placeholder,
        .form-group textarea::placeholder {
            color: var(--text-dim);
        }

        .form-group input:focus,
        .form-group textarea:focus {
            border-color: var(--gold);
            box-shadow: 0 0 0 3px rgba(212, 168, 67, 0.1);
            background: #1f1f1f;
        }

        .form-group textarea {
            resize: vertical;
            min-height: 100px;
        }

        .form-submit-btn {
            width: 100%;
            padding: 14px;
            background: var(--gold);
            color: #0E0E0E;
            font-weight: 700;
            font-size: 15px;
            border-radius: var(--radius-sm);
            cursor: pointer;
            letter-spacing: 0.04em;
            transition: all var(--transition-normal);
            border: 2px solid var(--gold);
        }

        .form-submit-btn:hover {
            background: var(--gold-light);
            border-color: var(--gold-light);
            box-shadow: 0 6px 20px rgba(212, 168, 67, 0.35);
        }

        /* ============ FOOTER ============ */
        .site-footer {
            background: #080808;
            padding: 60px 0 30px;
            border-top: 1px solid var(--border-subtle);
            position: relative;
        }

        .site-footer::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 1px;
            background: var(--gold);
            opacity: 0.5;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 32px;
            margin-bottom: 32px;
        }

        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            letter-spacing: 0.06em;
            margin-bottom: 16px;
            color: var(--text-primary);
            text-transform: uppercase;
        }

        .footer-col .footer-logo {
            font-size: 20px;
            font-weight: 700;
            color: var(--gold);
            letter-spacing: 0.04em;
            margin-bottom: 8px;
            display: block;
        }

        .footer-col p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .footer-col ul li {
            margin-bottom: 8px;
        }

        .footer-col ul li a {
            font-size: 13px;
            color: var(--text-muted);
            transition: color var(--transition-fast);
        }

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

        .footer-bottom {
            border-top: 1px solid var(--border-subtle);
            padding-top: 20px;
            text-align: center;
            font-size: 12px;
            color: var(--text-dim);
            letter-spacing: 0.03em;
        }

        /* ============ RESPONSIVE ============ */
        @media (max-width: 1200px) {
            :root {
                --font-xl: 40px;
                --font-lg: 30px;
            }
            .hero-left {
                padding: 40px 32px;
            }
            .catalog-grid {
                grid-template-columns: 1fr 1fr;
                grid-template-areas:
                    "card1 card1"
                    "card2 card3"
                    "card4 card4";
            }
            .pricing-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .pricing-card.featured {
                transform: scale(1);
            }
            .pricing-card.featured:hover {
                transform: scale(1) translateY(-4px);
            }
            .trust-stats {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 768px) {
            :root {
                --font-xl: 32px;
                --font-lg: 26px;
                --font-md: 18px;
                --spacing-section: 60px;
            }
            .hero-wrapper {
                flex-direction: column;
                min-height: auto;
            }
            .hero-left {
                width: 100%;
                padding: 100px 20px 40px;
                order: 1;
                min-height: auto;
            }
            .hero-right {
                width: 100%;
                min-height: 50vh;
                order: 0;
            }
            .hero-right .hero-overlay-left {
                display: none;
            }
            .hero-explosion-tag {
                top: 10%;
                right: 5%;
                font-size: 12px;
                padding: 8px 14px;
            }
            .hero-cta-corner {
                top: 16px;
                right: 16px;
            }
            .hero-cta-corner .btn {
                font-size: 12px;
                padding: 8px 16px;
            }
            .hero-nav-links {
                display: none;
            }
            .hero-nav-logo {
                margin-bottom: 16px;
            }
            .mobile-top-bar {
                display: flex;
            }
            .mobile-nav-toggle {
                display: flex;
            }
            .catalog-grid {
                grid-template-columns: 1fr;
                grid-template-areas:
                    "card1"
                    "card2"
                    "card3"
                    "card4";
            }
            .catalog-card:nth-child(4) {
                flex-direction: column;
                align-items: flex-start;
            }
            .scenes-row {
                grid-template-columns: 1fr;
            }
            .testimonials-layout {
                grid-template-columns: 1fr;
            }
            .testimonial-image-area {
                min-height: 280px;
            }
            .pricing-grid {
                grid-template-columns: 1fr;
                max-width: 400px;
                margin: 0 auto;
            }
            .pricing-card.featured {
                transform: scale(1);
            }
            .pricing-card.featured:hover {
                transform: scale(1) translateY(-4px);
            }
            .trust-stats {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .trust-stat-number {
                font-size: 28px;
            }
            .news-layout {
                grid-template-columns: 1fr;
            }
            .cta-form-inner {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .cta-form-section {
                padding: 32px 20px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .section-header.centered {
                text-align: left;
            }
            .section-header.centered .section-desc {
                margin-left: 0;
                margin-right: 0;
            }
            .hero-title .gold-line {
                margin: 10px 0;
            }
        }

        @media (max-width: 520px) {
            :root {
                --font-xl: 28px;
                --font-lg: 22px;
                --container-padding: 16px;
                --spacing-section: 48px;
            }
            .hero-left {
                padding: 90px 16px 32px;
            }
            .hero-right {
                min-height: 40vh;
            }
            .hero-cta-group {
                flex-direction: column;
                gap: 10px;
            }
            .hero-cta-group .btn {
                width: 100%;
            }
            .trust-stats {
                grid-template-columns: 1fr 1fr;
                gap: 8px;
            }
            .trust-stat-item {
                padding: 16px 10px;
            }
            .trust-stat-number {
                font-size: 24px;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .pricing-amount {
                font-size: 32px;
            }
            .cta-form-info h3 {
                font-size: 22px;
            }
            .btn {
                padding: 11px 20px;
                font-size: 14px;
                min-width: auto;
            }
        }