/* roulang page: index */
:root {
            --color-bg-deep: #0B1A2F;
            --color-bg-mid: #0F2744;
            --color-bg-card: rgba(255, 255, 255, 0.05);
            --color-gold: #C9A96E;
            --color-gold-light: #D4B87A;
            --color-gold-dark: #B8944F;
            --color-teal: #2EC4B6;
            --color-teal-light: #3DD5C8;
            --color-text-primary: #F0EDE8;
            --color-text-secondary: rgba(240, 237, 232, 0.75);
            --color-text-muted: rgba(240, 237, 232, 0.5);
            --color-border-subtle: rgba(255, 255, 255, 0.12);
            --color-border-gold: rgba(201, 169, 110, 0.45);
            --color-border-glow: rgba(201, 169, 110, 0.7);
            --radius-sm: 8px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --radius-xl: 20px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.4);
            --shadow-glow-gold: 0 0 18px rgba(201, 169, 110, 0.5);
            --shadow-glow-strong: 0 0 28px rgba(201, 169, 110, 0.7);
            --font-serif: 'Noto Serif SC', 'Source Han Serif SC', 'STSong', 'SimSun', 'Songti SC', serif;
            --font-sans: 'Noto Sans SC', 'Source Han Sans SC', 'PingFang SC', 'Microsoft YaHei', 'Hiragino Sans GB', sans-serif;
            --transition-fast: 0.2s ease;
            --transition-smooth: 0.3s cubic-bezier(0.4, 0, 0.2, 1);
            --container-max: 1200px;
            --section-padding: 80px 0;
            --section-padding-mobile: 60px 0;
        }

        *,
        *::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;
        }

        body {
            font-family: var(--font-sans);
            background: linear-gradient(170deg, #0B1A2F 0%, #0A1628 15%, #0F2744 40%, #0B1A2F 65%, #0A1526 85%, #060F1C 100%);
            background-attachment: fixed;
            color: var(--color-text-primary);
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
            position: relative;
        }

        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background:
                radial-gradient(ellipse at 20% 20%, rgba(201, 169, 110, 0.03) 0%, transparent 60%),
                radial-gradient(ellipse at 75% 60%, rgba(46, 196, 182, 0.03) 0%, transparent 55%),
                radial-gradient(ellipse at 50% 85%, rgba(201, 169, 110, 0.04) 0%, transparent 50%);
            pointer-events: none;
            z-index: 0;
        }

        body::after {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background-image:
                radial-gradient(rgba(255, 255, 255, 0.015) 1px, transparent 1px),
                radial-gradient(rgba(255, 255, 255, 0.01) 1px, transparent 1px);
            background-size: 32px 32px, 48px 48px;
            background-position: 0 0, 16px 16px;
            pointer-events: none;
            z-index: 0;
        }

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

        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;
            transition: all var(--transition-smooth);
        }

        button:focus-visible,
        a:focus-visible,
        input:focus-visible,
        textarea:focus-visible {
            outline: 2px solid var(--color-gold);
            outline-offset: 3px;
            border-radius: 4px;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            max-width: var(--container-max);
            margin: 0 auto;
            padding: 0 20px;
            position: relative;
            z-index: 1;
        }

        /* ========== HEADER / NAVIGATION ========== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 50;
            background: rgba(11, 26, 47, 0.82);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            transition: background var(--transition-smooth);
        }

        .site-header .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 12px;
            padding-bottom: 12px;
            min-height: 60px;
            gap: 16px;
        }

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

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

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

        .nav-logo {
            flex-shrink: 0;
            text-align: center;
            font-family: var(--font-serif);
            font-size: 1.3rem;
            font-weight: 700;
            color: var(--color-gold);
            letter-spacing: 0.06em;
            white-space: nowrap;
            transition: color var(--transition-fast);
            padding: 4px 0;
        }

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

        .nav-link {
            font-size: 0.95rem;
            font-weight: 400;
            color: rgba(255, 255, 255, 0.72);
            letter-spacing: 0.03em;
            position: relative;
            padding: 4px 0;
            transition: color var(--transition-fast);
            white-space: nowrap;
        }

        .nav-link::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--color-gold);
            border-radius: 1px;
            transition: width var(--transition-smooth);
        }

        .nav-link:hover,
        .nav-link.active {
            color: var(--color-gold);
        }

        .nav-link:hover::after,
        .nav-link.active::after {
            width: 100%;
        }

        .nav-cta-btn {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border: 1px solid var(--color-gold);
            border-radius: var(--radius-sm);
            font-size: 0.9rem;
            font-weight: 500;
            color: var(--color-gold);
            white-space: nowrap;
            transition: all var(--transition-smooth);
            background: transparent;
        }

        .nav-cta-btn:hover {
            background: rgba(201, 169, 110, 0.12);
            box-shadow: 0 0 14px rgba(201, 169, 110, 0.35);
            color: var(--color-gold-light);
            border-color: var(--color-gold-light);
        }

        .mobile-toggle {
            display: none;
            font-size: 1.5rem;
            color: var(--color-text-primary);
            cursor: pointer;
            background: none;
            border: none;
            padding: 8px;
            transition: color var(--transition-fast);
            z-index: 55;
        }

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

        .mobile-panel {
            display: none;
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            background: rgba(11, 26, 47, 0.95);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            z-index: 52;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 32px;
            opacity: 0;
            pointer-events: none;
            transition: opacity var(--transition-smooth);
        }

        .mobile-panel.open {
            opacity: 1;
            pointer-events: auto;
        }

        .mobile-panel .nav-link {
            font-size: 1.2rem;
            color: rgba(255, 255, 255, 0.8);
        }

        .mobile-panel .nav-cta-btn {
            font-size: 1rem;
            padding: 10px 24px;
        }

        @media (max-width: 768px) {
            .nav-left,
            .nav-right {
                display: none;
            }
            .mobile-toggle {
                display: block;
                position: absolute;
                right: 20px;
                top: 50%;
                transform: translateY(-50%);
            }
            .mobile-panel {
                display: flex;
            }
            .site-header .container {
                justify-content: center;
                padding-right: 60px;
            }
            .nav-logo {
                font-size: 1.15rem;
            }
        }

        @media (min-width: 769px) {
            .mobile-panel {
                display: none !important;
                opacity: 0 !important;
                pointer-events: none !important;
            }
        }

        /* ========== HERO SECTION ========== */
        .hero-section {
            position: relative;
            min-height: 90vh;
            display: flex;
            align-items: center;
            justify-content: center;
            background: url('/assets/images/backpic/back-1.jpg') center / cover no-repeat;
            background-attachment: fixed;
            overflow: hidden;
            z-index: 1;
        }

        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 26, 47, 0.65) 0%, rgba(11, 26, 47, 0.78) 40%, rgba(10, 22, 38, 0.9) 100%);
            z-index: 2;
        }

        .hero-content {
            position: relative;
            z-index: 3;
            text-align: center;
            max-width: 800px;
            padding: 40px 20px;
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 16px;
            border: 1px solid var(--color-gold);
            border-radius: 20px;
            font-size: 0.85rem;
            color: var(--color-gold);
            letter-spacing: 0.08em;
            margin-bottom: 24px;
            background: rgba(201, 169, 110, 0.08);
            backdrop-filter: blur(4px);
        }

        .hero-title {
            font-family: var(--font-serif);
            font-size: 2.8rem;
            font-weight: 700;
            color: #fff;
            line-height: 1.35;
            margin-bottom: 20px;
            letter-spacing: 0.04em;
        }

        .hero-title .gold-accent {
            color: var(--color-gold);
        }

        .hero-subtitle {
            font-size: 1.1rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
            margin-bottom: 36px;
            max-width: 620px;
            margin-left: auto;
            margin-right: auto;
        }

        .hero-actions {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 40px;
        }

        .btn-primary {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
            color: #1a1a1a;
            font-weight: 600;
            font-size: 1rem;
            border-radius: var(--radius-sm);
            letter-spacing: 0.03em;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 16px rgba(201, 169, 110, 0.3);
            border: none;
            cursor: pointer;
        }

        .btn-primary:hover {
            box-shadow: var(--shadow-glow-strong);
            transform: scale(1.03);
            background: linear-gradient(135deg, var(--color-gold-light) 0%, var(--color-gold) 100%);
        }

        .btn-primary:active {
            transform: scale(0.98);
            transition: transform 0.1s ease;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 14px 32px;
            background: transparent;
            border: 1.5px solid var(--color-gold);
            color: var(--color-gold);
            font-weight: 500;
            font-size: 1rem;
            border-radius: var(--radius-sm);
            letter-spacing: 0.03em;
            transition: all var(--transition-smooth);
            cursor: pointer;
        }

        .btn-outline:hover {
            background: rgba(201, 169, 110, 0.1);
            box-shadow: 0 0 16px rgba(201, 169, 110, 0.4);
            border-color: var(--color-gold-light);
            color: var(--color-gold-light);
        }

        .hero-highlight-card {
            display: inline-flex;
            flex-direction: column;
            align-items: center;
            gap: 12px;
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 2px solid var(--color-border-gold);
            border-radius: var(--radius-lg);
            padding: 28px 36px;
            box-shadow: 0 0 24px rgba(201, 169, 110, 0.25), var(--shadow-card);
            transition: all var(--transition-smooth);
        }

        .hero-highlight-card:hover {
            border-color: var(--color-border-glow);
            box-shadow: 0 0 32px rgba(201, 169, 110, 0.5), var(--shadow-card);
            transform: translateY(-4px);
        }

        .hero-highlight-card .hl-icon {
            font-size: 2.2rem;
            color: var(--color-gold);
        }

        .hero-highlight-card .hl-title {
            font-family: var(--font-serif);
            font-size: 1.3rem;
            font-weight: 600;
            color: #fff;
            letter-spacing: 0.04em;
        }

        .hero-highlight-card .hl-desc {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            text-align: center;
            max-width: 200px;
        }

        .hero-highlight-card .hl-tag {
            display: inline-block;
            padding: 4px 12px;
            background: rgba(201, 169, 110, 0.2);
            border-radius: 12px;
            font-size: 0.78rem;
            color: var(--color-gold);
            letter-spacing: 0.05em;
        }

        @media (max-width: 768px) {
            .hero-section {
                min-height: 75vh;
                background-attachment: scroll;
            }
            .hero-title {
                font-size: 1.8rem;
            }
            .hero-subtitle {
                font-size: 0.95rem;
            }
            .hero-highlight-card {
                padding: 20px 24px;
            }
            .btn-primary,
            .btn-outline {
                padding: 12px 24px;
                font-size: 0.9rem;
            }
        }

        @media (max-width: 520px) {
            .hero-title {
                font-size: 1.5rem;
            }
            .hero-subtitle {
                font-size: 0.85rem;
            }
            .hero-actions {
                flex-direction: column;
                gap: 12px;
            }
            .btn-primary,
            .btn-outline {
                width: 100%;
                justify-content: center;
            }
        }

        /* ========== SECTION COMMONS ========== */
        .section {
            padding: var(--section-padding);
            position: relative;
            z-index: 1;
        }

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

        .section-label {
            display: inline-block;
            font-size: 0.8rem;
            text-transform: uppercase;
            letter-spacing: 0.12em;
            color: var(--color-gold);
            margin-bottom: 10px;
            font-weight: 500;
        }

        .section-title {
            font-family: var(--font-serif);
            font-size: 2rem;
            font-weight: 600;
            color: #fff;
            letter-spacing: 0.04em;
            margin-bottom: 14px;
            line-height: 1.4;
        }

        .section-desc {
            font-size: 1rem;
            color: var(--color-text-secondary);
            max-width: 600px;
            margin: 0 auto;
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .section {
                padding: var(--section-padding-mobile);
            }
            .section-title {
                font-size: 1.5rem;
            }
            .section-desc {
                font-size: 0.9rem;
            }
            .section-header {
                margin-bottom: 32px;
            }
        }

        /* ========== COMPARISON TABLE SECTION ========== */
        .comparison-section {
            position: relative;
            z-index: 1;
        }

        .comparison-table-wrap {
            overflow-x: auto;
            -webkit-overflow-scrolling: touch;
            padding: 8px 0;
            border-radius: var(--radius-lg);
        }

        .comparison-table {
            width: 100%;
            min-width: 700px;
            border-collapse: separate;
            border-spacing: 0 10px;
        }

        .comparison-table thead th {
            text-align: center;
            padding: 18px 16px;
            font-family: var(--font-serif);
            font-size: 1.05rem;
            font-weight: 600;
            color: #fff;
            letter-spacing: 0.04em;
            background: rgba(255, 255, 255, 0.04);
            border-bottom: 2px solid var(--color-border-subtle);
        }

        .comparison-table thead th:first-child {
            text-align: left;
            padding-left: 20px;
            color: var(--color-text-secondary);
            font-family: var(--font-sans);
            font-weight: 400;
            font-size: 0.9rem;
        }

        .comparison-table thead th.highlight-col {
            background: rgba(201, 169, 110, 0.12);
            border-bottom: 2px solid var(--color-gold);
            color: var(--color-gold);
            border-radius: var(--radius-md) var(--radius-md) 0 0;
        }

        .comparison-table tbody td {
            text-align: center;
            padding: 14px 16px;
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            background: rgba(255, 255, 255, 0.025);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            transition: background var(--transition-fast);
        }

        .comparison-table tbody td:first-child {
            text-align: left;
            padding-left: 20px;
            font-weight: 500;
            color: var(--color-text-primary);
        }

        .comparison-table tbody td.highlight-col {
            background: rgba(201, 169, 110, 0.06);
            color: #fff;
        }

        .comparison-table tbody tr:hover td {
            background: rgba(255, 255, 255, 0.05);
        }

        .comparison-table tbody tr:hover td.highlight-col {
            background: rgba(201, 169, 110, 0.1);
        }

        .check-icon {
            color: var(--color-teal);
            font-size: 1rem;
        }

        .dash-icon {
            color: var(--color-text-muted);
            font-size: 0.85rem;
        }

        .table-rec-badge {
            display: inline-block;
            padding: 3px 10px;
            background: var(--color-gold);
            color: #1a1a1a;
            font-size: 0.7rem;
            font-weight: 700;
            border-radius: 10px;
            letter-spacing: 0.06em;
            margin-bottom: 4px;
        }

        @media (max-width: 768px) {
            .comparison-table-wrap {
                border-radius: var(--radius-md);
            }
            .comparison-table {
                min-width: 580px;
                font-size: 0.8rem;
            }
            .comparison-table thead th {
                font-size: 0.85rem;
                padding: 12px 10px;
            }
            .comparison-table tbody td {
                padding: 10px;
                font-size: 0.78rem;
            }
        }

        /* ========== RECOMMENDED SECTION (推荐档) ========== */
        .recommended-section {
            position: relative;
            z-index: 1;
        }

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

        .rec-card {
            background: var(--color-bg-card);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--color-border-subtle);
            border-radius: var(--radius-lg);
            padding: 32px 28px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            position: relative;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .rec-card:hover {
            border-color: var(--color-border-gold);
            box-shadow: 0 0 18px rgba(201, 169, 110, 0.4), var(--shadow-card);
            transform: translateY(-6px);
        }

        .rec-card.featured {
            border: 2px solid var(--color-gold);
            box-shadow: 0 0 22px rgba(201, 169, 110, 0.35), var(--shadow-card);
            background: rgba(201, 169, 110, 0.06);
        }

        .rec-card.featured::before {
            content: '热门推荐';
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            padding: 5px 16px;
            background: var(--color-gold);
            color: #1a1a1a;
            font-size: 0.75rem;
            font-weight: 700;
            border-radius: 12px;
            letter-spacing: 0.06em;
            white-space: nowrap;
        }

        .rec-card-icon {
            font-size: 2rem;
            color: var(--color-gold);
            width: 52px;
            height: 52px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(201, 169, 110, 0.1);
            flex-shrink: 0;
        }

        .rec-card-title {
            font-family: var(--font-serif);
            font-size: 1.25rem;
            font-weight: 600;
            color: #fff;
            letter-spacing: 0.04em;
        }

        .rec-card-desc {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            flex: 1;
        }

        .rec-card-price {
            font-family: var(--font-serif);
            font-size: 1.6rem;
            font-weight: 700;
            color: var(--color-gold);
            letter-spacing: 0.03em;
        }

        .rec-card-price span {
            font-size: 0.85rem;
            font-weight: 400;
            color: var(--color-text-muted);
        }

        .rec-card-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 10px 20px;
            border: 1px solid var(--color-gold);
            border-radius: var(--radius-sm);
            color: var(--color-gold);
            font-size: 0.9rem;
            font-weight: 500;
            transition: all var(--transition-smooth);
            background: transparent;
            cursor: pointer;
            width: 100%;
        }

        .rec-card-btn:hover {
            background: rgba(201, 169, 110, 0.12);
            box-shadow: 0 0 12px rgba(201, 169, 110, 0.3);
        }

        .rec-card.featured .rec-card-btn {
            background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
            color: #1a1a1a;
            border: none;
            font-weight: 600;
        }

        .rec-card.featured .rec-card-btn:hover {
            box-shadow: var(--shadow-glow-strong);
            transform: scale(1.02);
        }

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

        @media (max-width: 768px) {
            .rec-cards {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .rec-card {
                padding: 24px 20px;
            }
            .rec-card.featured::before {
                font-size: 0.7rem;
                padding: 4px 12px;
                top: -12px;
            }
        }

        /* ========== VERTICAL CARDS SECTION (竖屏种草) ========== */
        .vertical-cards-section {
            position: relative;
            z-index: 1;
        }

        .vertical-cards-scroll {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
        }

        .v-card {
            background: rgba(255, 255, 255, 0.04);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid var(--color-border-subtle);
            border-radius: var(--radius-lg);
            overflow: hidden;
            transition: all var(--transition-smooth);
            cursor: pointer;
            display: flex;
            flex-direction: column;
        }

        .v-card:hover {
            border-color: var(--color-border-gold);
            box-shadow: 0 0 16px rgba(201, 169, 110, 0.35);
            transform: translateY(-5px);
        }

        .v-card-img {
            width: 100%;
            aspect-ratio: 3 / 4;
            object-fit: cover;
            display: block;
            transition: transform var(--transition-smooth);
        }

        .v-card:hover .v-card-img {
            transform: scale(1.04);
        }

        .v-card-body {
            padding: 18px 16px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }

        .v-card-tag {
            font-size: 0.72rem;
            color: var(--color-gold);
            letter-spacing: 0.06em;
            font-weight: 500;
        }

        .v-card-title {
            font-family: var(--font-serif);
            font-size: 1.05rem;
            font-weight: 600;
            color: #fff;
            letter-spacing: 0.03em;
            line-height: 1.4;
        }

        .v-card-desc {
            font-size: 0.82rem;
            color: var(--color-text-secondary);
            line-height: 1.5;
        }

        .v-card-cta {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            font-size: 0.85rem;
            color: var(--color-gold);
            font-weight: 500;
            margin-top: auto;
            transition: gap var(--transition-fast);
        }

        .v-card:hover .v-card-cta {
            gap: 8px;
        }

        @media (max-width: 1024px) {
            .vertical-cards-scroll {
                grid-template-columns: repeat(2, 1fr);
                gap: 16px;
            }
        }

        @media (max-width: 520px) {
            .vertical-cards-scroll {
                grid-template-columns: 1fr 1fr;
                gap: 12px;
            }
            .v-card-body {
                padding: 12px 10px;
            }
            .v-card-title {
                font-size: 0.9rem;
            }
        }

        /* ========== STEPS SECTION (新手入门) ========== */
        .steps-section {
            position: relative;
            z-index: 1;
        }

        .steps-list {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 40px;
            position: relative;
        }

        .steps-list::before {
            content: '';
            position: absolute;
            top: 50px;
            left: 17%;
            width: 66%;
            height: 2px;
            background: linear-gradient(90deg, transparent, var(--color-gold), transparent);
            opacity: 0.4;
            z-index: 0;
        }

        .step-item {
            text-align: center;
            position: relative;
            z-index: 1;
            display: flex;
            flex-direction: column;
            align-items: center;
            gap: 16px;
        }

        .step-number {
            width: 56px;
            height: 56px;
            border-radius: 50%;
            background: rgba(201, 169, 110, 0.15);
            border: 2px solid var(--color-gold);
            display: flex;
            align-items: center;
            justify-content: center;
            font-family: var(--font-serif);
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--color-gold);
            flex-shrink: 0;
            transition: all var(--transition-smooth);
        }

        .step-item:hover .step-number {
            background: var(--color-gold);
            color: #1a1a1a;
            box-shadow: 0 0 20px rgba(201, 169, 110, 0.6);
        }

        .step-title {
            font-family: var(--font-serif);
            font-size: 1.15rem;
            font-weight: 600;
            color: #fff;
            letter-spacing: 0.04em;
        }

        .step-desc {
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.6;
            max-width: 240px;
        }

        @media (max-width: 768px) {
            .steps-list {
                grid-template-columns: 1fr;
                gap: 28px;
            }
            .steps-list::before {
                display: none;
            }
            .step-desc {
                max-width: 100%;
            }
        }

        /* ========== TIER SECTION (优惠阶梯) ========== */
        .tier-section {
            position: relative;
            z-index: 1;
        }

        .tier-cards {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 20px;
            align-items: end;
        }

        .tier-card {
            background: rgba(255, 255, 255, 0.04);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid var(--color-border-subtle);
            border-radius: var(--radius-lg);
            padding: 28px 24px;
            box-shadow: var(--shadow-card);
            transition: all var(--transition-smooth);
            display: flex;
            flex-direction: column;
            gap: 14px;
            position: relative;
        }

        .tier-card:hover {
            border-color: var(--color-border-gold);
            box-shadow: 0 0 16px rgba(201, 169, 110, 0.3);
            transform: translateY(-4px);
        }

        .tier-card.premium {
            border: 2px solid var(--color-gold);
            background: rgba(201, 169, 110, 0.07);
            padding: 36px 28px;
            box-shadow: 0 0 24px rgba(201, 169, 110, 0.3), var(--shadow-card);
        }

        .tier-badge {
            display: inline-block;
            padding: 4px 12px;
            background: rgba(201, 169, 110, 0.2);
            border-radius: 12px;
            font-size: 0.75rem;
            color: var(--color-gold);
            letter-spacing: 0.06em;
            align-self: flex-start;
        }

        .tier-card.premium .tier-badge {
            background: var(--color-gold);
            color: #1a1a1a;
            font-weight: 700;
        }

        .tier-name {
            font-family: var(--font-serif);
            font-size: 1.3rem;
            font-weight: 600;
            color: #fff;
            letter-spacing: 0.04em;
        }

        .tier-price {
            font-family: var(--font-serif);
            font-size: 2rem;
            font-weight: 700;
            color: var(--color-gold);
            letter-spacing: 0.03em;
        }

        .tier-price span {
            font-size: 0.8rem;
            font-weight: 400;
            color: var(--color-text-muted);
        }

        .tier-features {
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }

        .tier-features li {
            font-size: 0.85rem;
            color: var(--color-text-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
            line-height: 1.5;
        }

        .tier-features li i {
            color: var(--color-teal);
            font-size: 0.8rem;
            flex-shrink: 0;
        }

        .tier-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            padding: 12px 20px;
            border: 1px solid var(--color-gold);
            border-radius: var(--radius-sm);
            color: var(--color-gold);
            font-size: 0.9rem;
            font-weight: 500;
            transition: all var(--transition-smooth);
            background: transparent;
            cursor: pointer;
            width: 100%;
            margin-top: 8px;
        }

        .tier-btn:hover {
            background: rgba(201, 169, 110, 0.12);
            box-shadow: 0 0 12px rgba(201, 169, 110, 0.3);
        }

        .tier-card.premium .tier-btn {
            background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
            color: #1a1a1a;
            border: none;
            font-weight: 600;
        }

        .tier-card.premium .tier-btn:hover {
            box-shadow: var(--shadow-glow-strong);
            transform: scale(1.02);
        }

        @media (max-width: 1024px) {
            .tier-cards {
                grid-template-columns: repeat(2, 1fr);
            }
            .tier-card.premium {
                grid-column: span 2;
            }
        }

        @media (max-width: 768px) {
            .tier-cards {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .tier-card.premium {
                grid-column: span 1;
            }
            .tier-card {
                padding: 22px 18px;
            }
            .tier-card.premium {
                padding: 28px 22px;
            }
        }

        /* ========== NEWS SECTION (资讯) ========== */
        .news-section {
            position: relative;
            z-index: 1;
        }

        .news-layout {
            display: grid;
            grid-template-columns: 1fr 340px;
            gap: 36px;
            align-items: start;
        }

        .news-list {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .news-item {
            display: flex;
            align-items: center;
            gap: 16px;
            padding: 16px 20px;
            background: rgba(255, 255, 255, 0.03);
            border-radius: var(--radius-md);
            border: 1px solid transparent;
            transition: all var(--transition-smooth);
            cursor: pointer;
        }

        .news-item:hover {
            background: rgba(255, 255, 255, 0.06);
            border-color: var(--color-border-subtle);
        }

        .news-item-date {
            font-size: 0.8rem;
            color: var(--color-gold);
            flex-shrink: 0;
            width: 70px;
            letter-spacing: 0.04em;
        }

        .news-item-title {
            font-size: 0.95rem;
            color: var(--color-text-primary);
            font-weight: 500;
            flex: 1;
            line-height: 1.5;
            transition: color var(--transition-fast);
        }

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

        .news-item-arrow {
            color: var(--color-text-muted);
            font-size: 0.8rem;
            flex-shrink: 0;
            transition: all var(--transition-fast);
        }

        .news-item:hover .news-item-arrow {
            color: var(--color-gold);
            transform: translateX(4px);
        }

        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-sidebar-card {
            background: rgba(255, 255, 255, 0.04);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid var(--color-border-subtle);
            border-radius: var(--radius-lg);
            padding: 20px;
            transition: all var(--transition-smooth);
        }

        .news-sidebar-card:hover {
            border-color: var(--color-border-gold);
        }

        .news-sidebar-card .ns-label {
            font-size: 0.75rem;
            color: var(--color-gold);
            letter-spacing: 0.06em;
            margin-bottom: 8px;
            font-weight: 500;
        }

        .news-sidebar-card .ns-title {
            font-family: var(--font-serif);
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            letter-spacing: 0.03em;
            margin-bottom: 6px;
            line-height: 1.4;
        }

        .news-sidebar-card .ns-desc {
            font-size: 0.82rem;
            color: var(--color-text-secondary);
            line-height: 1.5;
        }

        @media (max-width: 768px) {
            .news-layout {
                grid-template-columns: 1fr;
                gap: 24px;
            }
            .news-sidebar {
                flex-direction: row;
                overflow-x: auto;
                gap: 12px;
                padding-bottom: 8px;
            }
            .news-sidebar-card {
                min-width: 220px;
                flex-shrink: 0;
            }
            .news-item {
                padding: 12px 14px;
            }
            .news-item-date {
                width: 55px;
                font-size: 0.72rem;
            }
            .news-item-title {
                font-size: 0.85rem;
            }
        }

        /* ========== CTA SECTION ========== */
        .cta-section {
            position: relative;
            z-index: 1;
            padding: 100px 0;
            text-align: center;
            background: url('/assets/images/backpic/back-2.webp') center / cover no-repeat;
            background-attachment: fixed;
            overflow: hidden;
        }

        .cta-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 26, 47, 0.85) 0%, rgba(11, 26, 47, 0.9) 100%);
            z-index: 2;
        }

        .cta-content {
            position: relative;
            z-index: 3;
            max-width: 650px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .cta-title {
            font-family: var(--font-serif);
            font-size: 2.2rem;
            font-weight: 700;
            color: #fff;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
            line-height: 1.4;
        }

        .cta-desc {
            font-size: 1rem;
            color: var(--color-text-secondary);
            margin-bottom: 32px;
            line-height: 1.7;
        }

        .cta-btn-lg {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            padding: 16px 40px;
            background: linear-gradient(135deg, var(--color-gold) 0%, var(--color-gold-dark) 100%);
            color: #1a1a1a;
            font-weight: 700;
            font-size: 1.1rem;
            border-radius: var(--radius-sm);
            letter-spacing: 0.04em;
            transition: all var(--transition-smooth);
            box-shadow: 0 4px 20px rgba(201, 169, 110, 0.35);
            cursor: pointer;
            border: none;
        }

        .cta-btn-lg:hover {
            box-shadow: 0 0 30px rgba(201, 169, 110, 0.7);
            transform: scale(1.04);
        }

        .cta-note {
            display: block;
            margin-top: 16px;
            font-size: 0.8rem;
            color: var(--color-text-muted);
            letter-spacing: 0.03em;
        }

        @media (max-width: 768px) {
            .cta-section {
                padding: 70px 0;
                background-attachment: scroll;
            }
            .cta-title {
                font-size: 1.6rem;
            }
            .cta-desc {
                font-size: 0.9rem;
            }
            .cta-btn-lg {
                padding: 14px 30px;
                font-size: 1rem;
            }
        }

        /* ========== FAQ SECTION ========== */
        .faq-section {
            position: relative;
            z-index: 1;
        }

        .faq-list {
            max-width: 760px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-item {
            background: rgba(255, 255, 255, 0.04);
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            border: 1px solid var(--color-border-subtle);
            border-radius: var(--radius-md);
            overflow: hidden;
            transition: all var(--transition-smooth);
        }

        .faq-item:hover {
            border-color: rgba(255, 255, 255, 0.2);
        }

        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 22px;
            font-size: 1rem;
            font-weight: 500;
            color: #fff;
            cursor: pointer;
            background: none;
            border: none;
            text-align: left;
            gap: 16px;
            letter-spacing: 0.03em;
            transition: color var(--transition-fast);
        }

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

        .faq-icon {
            font-size: 1.2rem;
            color: var(--color-gold);
            flex-shrink: 0;
            transition: transform var(--transition-smooth);
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(201, 169, 110, 0.1);
        }

        .faq-item.open .faq-icon {
            transform: rotate(45deg);
            background: rgba(201, 169, 110, 0.2);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease, padding 0.35s ease;
        }

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

        .faq-answer-inner {
            padding: 0 22px 18px;
            font-size: 0.9rem;
            color: var(--color-text-secondary);
            line-height: 1.7;
        }

        @media (max-width: 768px) {
            .faq-question {
                font-size: 0.9rem;
                padding: 14px 16px;
            }
            .faq-answer-inner {
                padding: 0 16px 14px;
                font-size: 0.82rem;
            }
        }

        /* ========== FOOTER ========== */
        .site-footer {
            background: #080F1A;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 60px 0 30px;
            position: relative;
            z-index: 1;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1fr;
            gap: 36px;
            margin-bottom: 40px;
        }

        .footer-col h4 {
            font-family: var(--font-serif);
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            letter-spacing: 0.04em;
            margin-bottom: 16px;
        }

        .footer-col p,
        .footer-col li {
            font-size: 0.85rem;
            color: var(--color-text-muted);
            line-height: 1.7;
            margin-bottom: 6px;
        }

        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 8px;
        }

        .footer-col ul li a {
            color: var(--color-text-muted);
            transition: color var(--transition-fast);
            font-size: 0.85rem;
        }

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

        .footer-brand {
            font-family: var(--font-serif);
            font-size: 1.2rem;
            font-weight: 700;
            color: var(--color-gold);
            letter-spacing: 0.06em;
            margin-bottom: 10px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 20px;
            text-align: center;
            font-size: 0.8rem;
            color: var(--color-text-muted);
            letter-spacing: 0.03em;
        }

        .footer-social {
            display: flex;
            gap: 14px;
            margin-top: 8px;
        }

        .footer-social a {
            width: 36px;
            height: 36px;
            border-radius: 50%;
            border: 1px solid rgba(255, 255, 255, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--color-text-muted);
            font-size: 0.9rem;
            transition: all var(--transition-smooth);
        }

        .footer-social a:hover {
            border-color: var(--color-gold);
            color: var(--color-gold);
            background: rgba(201, 169, 110, 0.1);
        }

        @media (max-width: 768px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .footer-col:first-child {
                grid-column: span 2;
            }
        }

        @media (max-width: 520px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }
            .footer-col:first-child {
                grid-column: span 1;
            }
        }

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

        .animate-in {
            animation: fadeInUp 0.6s ease forwards;
        }

        /* ========== SCROLLBAR ========== */
        ::-webkit-scrollbar {
            width: 6px;
        }
        ::-webkit-scrollbar-track {
            background: rgba(255, 255, 255, 0.03);
        }
        ::-webkit-scrollbar-thumb {
            background: rgba(201, 169, 110, 0.3);
            border-radius: 3px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: rgba(201, 169, 110, 0.5);
        }