/* roulang page: index */
:root {
        --bg-primary: #0B1026;
        --bg-secondary: #0D1430;
        --bg-dark: #0A0E22;
        --accent-blue: #2D6BFF;
        --accent-cyan: #00D4E0;
        --accent-gold: #F5A623;
        --text-primary: #E8ECF8;
        --text-secondary: #98A2C8;
        --text-muted: #5E6A90;
        --border-color: rgba(255,255,255,0.08);
        --card-radius: 16px;
        --btn-radius: 10px;
        --glass-bg: rgba(25,32,64,0.6);
        --shadow-card: 0 8px 32px rgba(0,0,0,0.3);
        --gold-glow: 0 0 20px rgba(245,166,35,0.35);
        --container-max: 1140px;
        --header-height: 72px;
    }
    *,
    *::before,
    *::after {
        box-sizing: border-box;
    }
    html {
        scroll-behavior: smooth;
    }
    body {
        margin: 0;
        font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        background: var(--bg-primary);
        color: var(--text-primary);
        line-height: 1.8;
        font-size: 1rem;
        -webkit-font-smoothing: antialiased;
    }
    a {
        color: inherit;
        text-decoration: none;
        transition: color .25s ease;
    }
    img {
        max-width: 100%;
        display: block;
    }
    button,
    input,
    select,
    textarea {
        font-family: inherit;
        font-size: inherit;
        line-height: inherit;
    }
    .container-custom {
        max-width: var(--container-max);
        margin: 0 auto;
        padding: 0 24px;
    }
    .section-padding {
        padding: clamp(3rem, 8vw, 6rem) 0;
    }
    .section-head {
        text-align: center;
        max-width: 720px;
        margin: 0 auto 48px;
    }
    .section-head h2 {
        font-size: clamp(1.625rem, 3vw, 2.375rem);
        font-weight: 800;
        line-height: 1.3;
        color: var(--text-primary);
        margin-bottom: 12px;
        letter-spacing: -0.02em;
    }
    .section-head p {
        color: var(--text-secondary);
        font-size: 1.0625rem;
        line-height: 1.7;
        margin: 0;
    }
    .section-divider {
        width: 56px;
        height: 3px;
        background: linear-gradient(90deg, var(--accent-gold), var(--accent-cyan));
        border-radius: 99px;
        margin: 16px auto 20px;
        border: none;
        opacity: 1;
    }
    /* ========== 按钮 ========== */
    .btn-gold {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        background: linear-gradient(135deg, #FFC148, #F5A623 55%, #D9890A);
        color: #211400;
        font-weight: 700;
        font-size: 0.9375rem;
        padding: 10px 24px;
        border: none;
        border-radius: var(--btn-radius);
        transition: all .3s ease;
        box-shadow: 0 0 20px rgba(245,166,35,0.35), 0 0 40px rgba(245,166,35,0.15);
        line-height: 1.6;
        cursor: pointer;
    }
    .btn-gold:hover {
        transform: translateY(-2px);
        box-shadow: 0 0 30px rgba(245,166,35,0.5), 0 0 60px rgba(245,166,35,0.25);
        color: #211400;
    }
    .btn-gold-lg {
        padding: 14px 44px;
        font-size: 1.0625rem;
        border-radius: 12px;
    }
    .btn-gold-sm {
        padding: 6px 18px;
        font-size: 0.875rem;
    }
    .btn-glass {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 8px;
        background: rgba(255,255,255,0.06);
        border: 1px solid rgba(255,255,255,0.18);
        color: var(--text-primary);
        font-weight: 600;
        font-size: 0.9375rem;
        padding: 10px 24px;
        border-radius: var(--btn-radius);
        transition: all .3s ease;
        cursor: pointer;
        line-height: 1.6;
    }
    .btn-glass:hover {
        background: rgba(255,255,255,0.12);
        border-color: rgba(255,255,255,0.3);
        color: #fff;
        transform: translateY(-2px);
    }
    .btn-outline-cyan {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        gap: 6px;
        background: transparent;
        border: 1px solid rgba(0, 212, 224, 0.5);
        color: var(--accent-cyan);
        font-weight: 600;
        font-size: 0.875rem;
        padding: 8px 20px;
        border-radius: var(--btn-radius);
        transition: all .3s ease;
        cursor: pointer;
    }
    .btn-outline-cyan:hover {
        background: rgba(0, 212, 224, 0.1);
        color: var(--accent-cyan);
        border-color: var(--accent-cyan);
    }
    a:focus,
    button:focus,
    input:focus {
        outline: 2px solid rgba(45, 107, 255, 0.5);
        outline-offset: 2px;
    }
    /* ========== 导航栏 ========== */
    .custom-navbar {
        position: fixed;
        top: 0;
        left: 0;
        right: 0;
        z-index: 999;
        height: var(--header-height);
        background: rgba(11, 16, 38, 0.75);
        -webkit-backdrop-filter: blur(16px);
        backdrop-filter: blur(16px);
        border-bottom: 1px solid rgba(255,255,255,0.05);
        transition: background .3s ease, box-shadow .3s ease;
    }
    .custom-navbar.scrolled {
        background: rgba(11, 16, 38, 0.95);
        box-shadow: 0 8px 32px rgba(0,0,0,0.3);
    }
    .navbar-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 100%;
        max-width: var(--container-max);
        margin: 0 auto;
        padding: 0 24px;
    }
    .navbar-brand {
        display: flex;
        align-items: center;
        gap: 12px;
        font-size: 1.25rem;
        font-weight: 800;
        color: var(--text-primary);
        white-space: nowrap;
    }
    .brand-icon {
        width: 38px;
        height: 38px;
        border-radius: 10px;
        background: linear-gradient(135deg, var(--accent-gold), #D9890A);
        display: flex;
        align-items: center;
        justify-content: center;
        font-weight: 900;
        font-size: 1.1rem;
        color: #211400;
        box-shadow: 0 0 12px rgba(245,166,35,0.4);
    }
    .nav-links {
        display: flex;
        align-items: center;
        gap: 28px;
        list-style: none;
        margin: 0;
        padding: 0;
    }
    .nav-links a {
        font-size: 0.9375rem;
        font-weight: 500;
        color: #C6CFE8;
        position: relative;
        padding: 4px 2px;
        transition: color .25s ease;
    }
    .nav-links a:hover {
        color: #fff;
    }
    .nav-links a.active {
        color: #fff;
        font-weight: 600;
    }
    .nav-links a.active::after {
        content: '';
        position: absolute;
        bottom: -2px;
        left: 0;
        width: 100%;
        height: 2px;
        background: var(--accent-gold);
        border-radius: 2px;
    }
    .nav-actions {
        display: flex;
        align-items: center;
        gap: 12px;
    }
    .navbar-toggle {
        display: none;
        background: none;
        border: none;
        color: var(--text-primary);
        font-size: 1.4rem;
        cursor: pointer;
        padding: 8px;
        line-height: 1;
    }
    .mobile-menu {
        display: none;
        position: fixed;
        top: var(--header-height);
        left: 0;
        right: 0;
        background: rgba(10,14,34,0.96);
        border-bottom: 1px solid var(--border-color);
        padding: 20px 24px 28px;
        z-index: 998;
        -webkit-backdrop-filter: blur(20px);
        backdrop-filter: blur(20px);
    }
    .mobile-menu.open {
        display: block;
    }
    .mobile-menu .nav-links {
        flex-direction: column;
        align-items: flex-start;
        gap: 0;
    }
    .mobile-menu .nav-links li {
        width: 100%;
        border-bottom: 1px solid rgba(255,255,255,0.06);
    }
    .mobile-menu .nav-links a {
        display: block;
        padding: 14px 8px;
        font-size: 1rem;
        color: var(--text-primary);
    }
    .mobile-menu .nav-actions {
        flex-direction: column;
        gap: 12px;
        margin-top: 20px;
    }
    .mobile-menu .nav-actions .btn-gold,
    .mobile-menu .nav-actions .btn-glass {
        width: 100%;
        max-width: 320px;
    }
    @media (max-width: 991.98px) {
        .nav-links,
        .nav-actions {
            display: none;
        }
        .navbar-toggle {
            display: block;
        }
    }
    /* ========== Hero ========== */
    .hero {
        min-height: max(92vh, 640px);
        display: flex;
        align-items: center;
        position: relative;
        background:
            radial-gradient(ellipse at 80% 20%, rgba(45,107,255,0.12) 0%, transparent 60%),
            radial-gradient(ellipse at 10% 90%, rgba(0,212,224,0.08) 0%, transparent 50%),
            linear-gradient(rgba(11,16,38,0.82), rgba(10,14,34,0.94)),
            url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
        overflow: hidden;
        padding-top: var(--header-height);
    }
    .hero::before {
        content: '';
        position: absolute;
        inset: 0;
        background-image:
            linear-gradient(rgba(255,255,255,0.025) 1px, transparent 1px),
            linear-gradient(90deg, rgba(255,255,255,0.025) 1px, transparent 1px);
        background-size: 44px 44px;
        pointer-events: none;
    }
    .hero-content {
        position: relative;
        z-index: 2;
        padding: 60px 0;
        text-align: center;
    }
    .hero-badge {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: rgba(245,166,35,0.1);
        border: 1px solid rgba(245,166,35,0.45);
        color: var(--accent-gold);
        font-size: 0.8125rem;
        font-weight: 600;
        padding: 6px 18px;
        border-radius: 999px;
        margin-bottom: 24px;
        letter-spacing: 0.02em;
    }
    .hero-badge i {
        font-size: 0.75rem;
    }
    .hero-title {
        font-size: clamp(2.125rem, 5vw, 3.25rem);
        font-weight: 800;
        line-height: 1.2;
        letter-spacing: -0.02em;
        color: #fff;
        margin-bottom: 20px;
    }
    .hero-title .gradient-text {
        background: linear-gradient(90deg, #fff 0%, #A8C4FF 100%);
        -webkit-background-clip: text;
        background-clip: text;
        -webkit-text-fill-color: transparent;
    }
    .hero-subtitle {
        max-width: 640px;
        margin: 0 auto 32px;
        font-size: 1.125rem;
        line-height: 1.7;
        color: #AEB9DC;
    }
    .hero-btns {
        display: flex;
        align-items: center;
        justify-content: center;
        gap: 16px;
        flex-wrap: wrap;
        margin-bottom: 48px;
    }
    .hero-stats {
        display: flex;
        justify-content: center;
        gap: 48px;
        border-top: 1px solid rgba(255,255,255,0.1);
        padding-top: 36px;
        flex-wrap: wrap;
    }
    .stat-item {
        text-align: center;
    }
    .stat-num {
        font-size: 1.75rem;
        font-weight: 800;
        color: var(--text-primary);
        line-height: 1.2;
    }
    .stat-label {
        font-size: 0.8125rem;
        color: var(--text-secondary);
        margin-top: 4px;
    }
    @media (max-width: 575.98px) {
        .hero-title {
            font-size: clamp(1.875rem, 7vw, 2.375rem);
        }
        .hero-stats {
            gap: 24px;
        }
        .stat-num {
            font-size: 1.375rem;
        }
    }
    /* ========== 权益对比 ========== */
    .benefits-section {
        background: var(--bg-secondary);
        position: relative;
    }
    .benefit-table-wrap {
        background: var(--glass-bg);
        border: 1px solid var(--border-color);
        border-radius: 20px;
        overflow: hidden;
        box-shadow: var(--shadow-card);
        -webkit-backdrop-filter: blur(20px);
        backdrop-filter: blur(20px);
    }
    .benefit-table {
        width: 100%;
        margin: 0;
        border-collapse: collapse;
        color: var(--text-primary);
    }
    .benefit-table thead th {
        background: rgba(45,107,255,0.15);
        color: var(--text-primary);
        font-weight: 700;
        font-size: 0.9375rem;
        padding: 16px 20px;
        border-bottom: 1px solid rgba(255,255,255,0.1);
        text-align: center;
        white-space: nowrap;
    }
    .benefit-table thead th:first-child {
        text-align: left;
    }
    .benefit-table tbody td {
        padding: 14px 20px;
        border-bottom: 1px solid rgba(255,255,255,0.05);
        color: var(--text-secondary);
        font-size: 0.9375rem;
        text-align: center;
        background: transparent;
    }
    .benefit-table tbody tr:last-child td {
        border-bottom: none;
    }
    .benefit-table tbody td:first-child {
        text-align: left;
        color: var(--text-primary);
        font-weight: 500;
    }
    .benefit-table tbody tr:hover td {
        background: rgba(255,255,255,0.02);
    }
    .benefit-yes {
        color: var(--accent-cyan);
        font-size: 1.125rem;
    }
    .benefit-no {
        color: var(--text-muted);
        font-size: 1rem;
    }
    .benefit-table-footer {
        text-align: center;
        padding: 28px 20px 32px;
    }
    .benefit-divider {
        width: 80px;
        height: 1px;
        background: linear-gradient(90deg, transparent, var(--accent-gold), transparent);
        margin: 0 auto 20px;
    }
    @media (max-width: 767.98px) {
        .benefit-table-wrap {
            overflow-x: auto;
        }
        .benefit-table {
            min-width: 560px;
        }
    }
    /* ========== 等级亮点 ========== */
    .levels-section {
        background: var(--bg-primary);
    }
    .level-cards {
        display: grid;
        grid-template-columns: 1fr 1.08fr 1fr;
        gap: 24px;
        align-items: start;
    }
    .level-card {
        background: var(--glass-bg);
        border: 1px solid var(--border-color);
        border-radius: var(--card-radius);
        padding: 36px 28px;
        position: relative;
        box-shadow: var(--shadow-card);
        -webkit-backdrop-filter: blur(20px);
        backdrop-filter: blur(20px);
        transition: all .3s ease;
        display: flex;
        flex-direction: column;
    }
    .level-card:hover {
        background: rgba(30, 40, 80, 0.75);
        border-color: rgba(255,255,255,0.16);
        box-shadow: 0 12px 40px rgba(0,0,0,0.4);
    }
    .level-card.featured {
        transform: translateY(-12px);
        background: linear-gradient(160deg, rgba(30,40,80,0.7), rgba(20,28,56,0.85));
        border-color: rgba(245,166,35,0.2);
        box-shadow: 0 16px 48px rgba(0,0,0,0.4), 0 0 40px rgba(245,166,35,0.08);
    }
    .level-badge {
        position: absolute;
        top: -12px;
        left: 50%;
        transform: translateX(-50%);
        background: linear-gradient(135deg, #FFC148, #F5A623);
        color: #211400;
        font-size: 0.75rem;
        font-weight: 800;
        padding: 4px 16px;
        border-radius: 999px;
        letter-spacing: 0.04em;
        white-space: nowrap;
        box-shadow: 0 4px 16px rgba(245,166,35,0.3);
    }
    .level-name {
        font-size: 1.25rem;
        font-weight: 700;
        color: var(--text-primary);
        margin-bottom: 4px;
    }
    .level-price {
        font-size: 2rem;
        font-weight: 800;
        color: var(--accent-gold);
        line-height: 1.2;
        margin-bottom: 8px;
    }
    .level-price span {
        font-size: 0.875rem;
        color: var(--text-muted);
        font-weight: 400;
        margin-left: 4px;
    }
    .level-features {
        list-style: none;
        margin: 24px 0 28px;
        padding: 0;
        flex: 1;
    }
    .level-features li {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 0.9063rem;
        color: var(--text-secondary);
        padding: 6px 0;
        line-height: 1.6;
    }
    .level-features li i {
        color: var(--accent-cyan);
        font-size: 0.8125rem;
        flex-shrink: 0;
    }
    .level-card .btn-gold,
    .level-card .btn-glass {
        width: 100%;
    }
    @media (max-width: 991.98px) {
        .level-cards {
            grid-template-columns: 1fr;
            gap: 20px;
        }
        .level-card.featured {
            transform: translateY(0);
        }
    }
    /* ========== 专属内容预览 ========== */
    .premium-section {
        background: var(--bg-secondary);
        position: relative;
        overflow: hidden;
    }
    .premium-card {
        max-width: 960px;
        margin: 0 auto;
        background: var(--glass-bg);
        border: 1px solid var(--border-color);
        border-radius: 24px;
        overflow: hidden;
        box-shadow: var(--shadow-card);
        -webkit-backdrop-filter: blur(20px);
        backdrop-filter: blur(20px);
        position: relative;
    }
    .premium-cover {
        position: relative;
        aspect-ratio: 16 / 9;
        overflow: hidden;
        background: var(--bg-dark);
    }
    .premium-cover img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform .5s ease;
    }
    .premium-card:hover .premium-cover img {
        transform: scale(1.02);
    }
    .premium-tag {
        position: absolute;
        top: 16px;
        right: 16px;
        background: linear-gradient(135deg, #FFC148, #F5A623);
        color: #211400;
        font-size: 0.8125rem;
        font-weight: 800;
        padding: 6px 16px;
        border-radius: 999px;
        box-shadow: 0 4px 20px rgba(245,166,35,0.3);
        z-index: 2;
    }
    .premium-content {
        position: relative;
        padding: 36px 40px 40px;
    }
    .premium-content h3 {
        font-size: 1.375rem;
        font-weight: 700;
        color: var(--text-primary);
        margin-bottom: 12px;
    }
    .premium-content p {
        font-size: 0.9375rem;
        line-height: 1.8;
        color: var(--text-secondary);
        margin-bottom: 0;
        max-height: 84px;
        overflow: hidden;
        filter: blur(4px);
        -webkit-user-select: none;
        user-select: none;
        position: relative;
        mask-image: linear-gradient(to bottom, transparent, transparent);
    }
    .premium-content p::after {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(to top, rgba(10,14,34,0.6), rgba(10,14,34,0.2));
        border-radius: 4px;
    }
    .premium-overlay {
        position: absolute;
        inset: 0;
        display: flex;
        flex-direction: column;
        align-items: center;
        justify-content: center;
        gap: 14px;
        background: rgba(10,14,34,0.4);
        z-index: 2;
    }
    .premium-lock-icon {
        width: 64px;
        height: 64px;
        border-radius: 50%;
        background: rgba(245,166,35,0.15);
        border: 1px solid rgba(245,166,35,0.3);
        display: flex;
        align-items: center;
        justify-content: center;
        color: var(--accent-gold);
        font-size: 1.375rem;
        box-shadow: 0 0 20px rgba(245,166,35,0.15);
    }
    .premium-overlay .btn-gold {
        font-size: 1rem;
        padding: 12px 32px;
    }
    @media (max-width: 575.98px) {
        .premium-content {
            padding: 24px 20px 28px;
        }
        .premium-content h3 {
            font-size: 1.125rem;
        }
    }
    /* ========== FAQ ========== */
    .faq-section {
        background: var(--bg-primary);
    }
    .faq-accordion {
        max-width: 800px;
        margin: 0 auto;
    }
    .faq-item {
        background: rgba(255,255,255,0.03);
        border: 1px solid rgba(255,255,255,0.08);
        border-radius: 12px;
        margin-bottom: 12px;
        overflow: hidden;
        transition: background .3s ease, border-color .3s ease;
    }
    .faq-item.active {
        background: rgba(45,107,255,0.08);
        border-color: rgba(45,107,255,0.3);
        box-shadow: 0 0 20px rgba(45,107,255,0.08);
    }
    .faq-item.active::before {
        content: '';
        position: absolute;
        left: 0;
        top: 0;
        bottom: 0;
        width: 3px;
        background: var(--accent-gold);
        border-radius: 3px;
    }
    .faq-question {
        display: flex;
        align-items: center;
        justify-content: space-between;
        padding: 18px 24px;
        cursor: pointer;
        font-size: 1rem;
        font-weight: 600;
        color: var(--text-primary);
        transition: color .3s ease;
        background: transparent;
        border: none;
        width: 100%;
        text-align: left;
        gap: 16px;
    }
    .faq-item.active .faq-question {
        color: var(--accent-cyan);
    }
    .faq-question i {
        font-size: 0.875rem;
        color: var(--text-muted);
        transition: transform .3s ease;
        flex-shrink: 0;
    }
    .faq-item.active .faq-question i {
        transform: rotate(180deg);
        color: var(--accent-cyan);
    }
    .faq-answer {
        max-height: 0;
        overflow: hidden;
        padding: 0 24px;
        transition: max-height .35s ease, padding .35s ease;
        font-size: 0.9375rem;
        line-height: 1.8;
        color: var(--text-secondary);
    }
    .faq-item.active .faq-answer {
        max-height: 500px;
        padding: 0 24px 20px;
    }
    /* ========== 资讯列表 ========== */
    .news-section {
        background: var(--bg-secondary);
    }
    .news-list {
        max-width: 860px;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        gap: 16px;
    }
    .news-card {
        display: flex;
        align-items: center;
        gap: 20px;
        background: rgba(255,255,255,0.02);
        border: 1px solid rgba(255,255,255,0.06);
        border-radius: 14px;
        padding: 16px;
        transition: all .3s ease;
        position: relative;
        overflow: hidden;
    }
    .news-card::before {
        content: '';
        position: absolute;
        left: 0;
        top: 0;
        bottom: 0;
        width: 3px;
        background: var(--accent-gold);
        transform: scaleY(0);
        transition: transform .3s ease;
        border-radius: 3px;
    }
    .news-card:hover {
        background: rgba(255,255,255,0.05);
        border-color: rgba(255,255,255,0.12);
        transform: translateY(-2px);
        box-shadow: 0 8px 24px rgba(0,0,0,0.25);
    }
    .news-card:hover::before {
        transform: scaleY(1);
    }
    .news-thumb {
        width: 96px;
        height: 96px;
        border-radius: 12px;
        overflow: hidden;
        flex-shrink: 0;
        background: var(--bg-dark);
    }
    .news-thumb img {
        width: 100%;
        height: 100%;
        object-fit: cover;
    }
    .news-body {
        flex: 1;
        min-width: 0;
    }
    .news-body h3 {
        font-size: 1.125rem;
        font-weight: 700;
        color: var(--text-primary);
        margin-bottom: 6px;
        overflow: hidden;
        text-overflow: ellipsis;
        white-space: nowrap;
    }
    .news-body p {
        font-size: 0.9375rem;
        color: var(--text-secondary);
        line-height: 1.6;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
        margin-bottom: 8px;
        max-height: 3.2em;
    }
    .news-meta {
        display: flex;
        align-items: center;
        gap: 14px;
        flex-wrap: wrap;
    }
    .news-cat {
        display: inline-flex;
        align-items: center;
        padding: 2px 12px;
        background: rgba(0,212,224,0.12);
        border: 1px solid rgba(0,212,224,0.3);
        color: var(--accent-cyan);
        font-size: 0.75rem;
        font-weight: 600;
        border-radius: 999px;
    }
    .news-time,
    .news-views {
        font-size: 0.8125rem;
        color: var(--text-muted);
        display: inline-flex;
        align-items: center;
        gap: 4px;
    }
    .news-empty {
        text-align: center;
        padding: 60px 20px;
        color: var(--text-secondary);
    }
    .news-empty .empty-icon {
        width: 96px;
        height: 96px;
        border-radius: 50%;
        background: rgba(255,255,255,0.04);
        border: 1px solid var(--border-color);
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 2.5rem;
        color: var(--text-muted);
        margin: 0 auto 20px;
    }
    @media (max-width: 767.98px) {
        .news-card {
            flex-direction: column;
            align-items: flex-start;
        }
        .news-thumb {
            width: 100%;
            height: 180px;
        }
        .news-body h3 {
            white-space: normal;
            -webkit-line-clamp: 2;
            display: -webkit-box;
            -webkit-box-orient: vertical;
        }
    }
    /* ========== CTA横幅 ========== */
    .cta-banner {
        background:
            radial-gradient(ellipse at 50% 100%, rgba(245,166,35,0.12) 0%, transparent 60%),
            linear-gradient(135deg, rgba(11,16,38,0.95), rgba(13,20,48,0.92)),
            url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
        padding: 80px 0;
        text-align: center;
        position: relative;
        overflow: hidden;
    }
    .cta-banner h2 {
        font-size: clamp(1.625rem, 3vw, 2.25rem);
        font-weight: 800;
        color: #fff;
        line-height: 1.3;
        margin-bottom: 14px;
    }
    .cta-banner p {
        font-size: 1rem;
        color: var(--text-secondary);
        max-width: 600px;
        margin: 0 auto 28px;
    }
    /* ========== 页脚 ========== */
    .site-footer {
        background: #080C1E;
        border-top: 1px solid rgba(255,255,255,0.06);
        padding: 64px 0 24px;
    }
    .footer-grid {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr 1fr;
        gap: 40px;
        margin-bottom: 48px;
    }
    .footer-brand {
        display: flex;
        align-items: center;
        gap: 12px;
        font-size: 1.125rem;
        font-weight: 800;
        color: var(--text-primary);
        margin-bottom: 14px;
    }
    .footer-brand .brand-icon {
        width: 32px;
        height: 32px;
        font-size: 0.9375rem;
        border-radius: 8px;
    }
    .footer-desc {
        font-size: 0.875rem;
        line-height: 1.7;
        color: var(--text-muted);
        max-width: 300px;
    }
    .footer-col h4 {
        font-size: 0.9375rem;
        font-weight: 700;
        color: var(--text-primary);
        margin-bottom: 16px;
    }
    .footer-col ul {
        list-style: none;
        margin: 0;
        padding: 0;
    }
    .footer-col ul li {
        margin-bottom: 10px;
    }
    .footer-col ul a {
        font-size: 0.875rem;
        color: var(--text-secondary);
        transition: color .25s ease;
    }
    .footer-col ul a:hover {
        color: var(--accent-gold);
    }
    .footer-bottom {
        border-top: 1px solid rgba(255,255,255,0.04);
        padding-top: 20px;
        text-align: center;
        font-size: 0.8125rem;
        color: var(--text-muted);
    }
    @media (max-width: 991.98px) {
        .footer-grid {
            grid-template-columns: 1fr 1fr;
            gap: 32px;
        }
    }
    @media (max-width: 575.98px) {
        .footer-grid {
            grid-template-columns: 1fr;
        }
    }
    /* ========== 模态框 ========== */
    .modal-content-custom {
        background: rgba(18, 24, 52, 0.92);
        border: 1px solid rgba(255,255,255,0.1);
        border-radius: 20px;
        -webkit-backdrop-filter: blur(24px);
        backdrop-filter: blur(24px);
        box-shadow: 0 24px 64px rgba(0,0,0,0.5);
        color: var(--text-primary);
    }
    .modal-content-custom .modal-header {
        border-bottom: 1px solid rgba(255,255,255,0.08);
        padding: 20px 24px;
    }
    .modal-content-custom .modal-title {
        font-weight: 700;
    }
    .modal-content-custom .modal-body {
        padding: 24px;
    }
    .modal-content-custom .modal-footer {
        border-top: 1px solid rgba(255,255,255,0.08);
        padding: 16px 24px;
    }
    .modal-content-custom .btn-close {
        filter: invert(1) grayscale(100%);
    }
    .form-control-custom {
        background: rgba(255,255,255,0.04);
        border: 1px solid rgba(255,255,255,0.1);
        border-radius: 10px;
        color: var(--text-primary);
        padding: 10px 16px;
        transition: box-shadow .3s ease, border-color .3s ease;
    }
    .form-control-custom::placeholder {
        color: #5E6A90;
    }
    .form-control-custom:focus {
        background: rgba(255,255,255,0.06);
        border-color: var(--accent-blue);
        box-shadow: 0 0 0 3px rgba(45,107,255,0.25);
        color: var(--text-primary);
    }
    .modal-backdrop.show {
        opacity: 0.7;
    }
    /* ========== 辅助工具 ========== */
    .text-gold {
        color: var(--accent-gold);
    }
    .text-cyan {
        color: var(--accent-cyan);
    }
    .responsive-img {
        border-radius: 12px;
    }
    @media (prefers-reduced-motion: reduce) {
        *,
        *::before,
        *::after {
            animation-duration: 0.01ms !important;
            transition-duration: 0.01ms !important;
        }
        html {
            scroll-behavior: auto;
        }
    }

/* roulang page: article */
:root{
    --bg-primary:#0B1026;
    --bg-secondary:#0D1430;
    --bg-tertiary:#0A0E22;
    --primary:#2D6BFF;
    --secondary:#00D4E0;
    --accent:#F5A623;
    --text-main:#E8ECF8;
    --text-sub:#98A2C8;
    --text-weak:#5E6A90;
    --border:rgba(255,255,255,.08);
    --radius-card:16px;
    --radius-btn:10px;
    --radius-badge:999px;
    --shadow-card:0 8px 32px rgba(0,0,0,.3);
    --glow-btn:0 0 20px rgba(245,166,35,.35),0 0 40px rgba(245,166,35,.15);
    --font-main:-apple-system,BlinkMacSystemFont,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,
*::before,
*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
    margin:0;
    font-family:var(--font-main);
    background:var(--bg-primary);
    color:var(--text-main);
    line-height:1.7;
    font-size:1rem;
    overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
a:hover{color:inherit}
h1,h2,h3,h4,h5,h6{
    margin:0 0 .5em;
    line-height:1.3;
    font-weight:700;
}
p{margin:0 0 1rem}
ul,ol{margin:0 0 1rem;padding-left:1.25rem}
button,input,select,textarea{font-family:inherit}
.container-custom{
    max-width:1140px;
    margin:0 auto;
    padding:0 1.5rem;
    position:relative;
}
.btn-gold,
.btn-glass{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:.5rem;
    padding:.75rem 1.75rem;
    border-radius:var(--radius-btn);
    font-weight:600;
    font-size:.9375rem;
    line-height:1.4;
    border:none;
    cursor:pointer;
    transition:all .3s ease;
    text-align:center;
    white-space:nowrap;
}
.btn-gold{
    background:linear-gradient(135deg,#F5A623,#E08B00);
    color:#0B1026;
    box-shadow:var(--glow-btn);
}
.btn-gold:hover{
    transform:translateY(-2px);
    box-shadow:0 0 30px rgba(245,166,35,.5),0 0 60px rgba(245,166,35,.25);
    color:#0B1026;
}
.btn-gold:focus-visible{
    outline:3px solid rgba(245,166,35,.5);
    outline-offset:2px;
}
.btn-glass{
    background:rgba(255,255,255,.06);
    border:1px solid rgba(255,255,255,.14);
    color:var(--text-main);
    backdrop-filter:blur(12px);
    -webkit-backdrop-filter:blur(12px);
}
.btn-glass:hover{
    background:rgba(255,255,255,.12);
    border-color:rgba(255,255,255,.22);
    color:#fff;
    transform:translateY(-1px);
}
.btn-gold i,
.btn-glass i{font-size:.875rem}
.btn-lg{padding:1rem 2.5rem;font-size:1.0625rem;border-radius:14px}

/* 导航 */
.custom-navbar{
    position:fixed;
    top:0;
    left:0;
    right:0;
    z-index:1050;
    background:rgba(11,16,38,.75);
    backdrop-filter:blur(20px);
    -webkit-backdrop-filter:blur(20px);
    border-bottom:1px solid rgba(255,255,255,.05);
    transition:background .4s ease,box-shadow .4s ease;
}
.custom-navbar.scrolled{
    background:rgba(11,16,38,.95);
    box-shadow:0 10px 40px rgba(0,0,0,.3);
}
.navbar-inner{
    max-width:1140px;
    margin:0 auto;
    padding:0 1.5rem;
    height:72px;
    display:flex;
    align-items:center;
    gap:1.5rem;
    position:relative;
}
.navbar-brand{
    display:inline-flex;
    align-items:center;
    gap:.6rem;
    font-size:1.2rem;
    font-weight:800;
    color:#fff;
    letter-spacing:.01em;
    flex-shrink:0;
}
.brand-icon{
    width:36px;
    height:36px;
    border-radius:10px;
    background:linear-gradient(135deg,#F5A623,#FFD77A);
    display:flex;
    align-items:center;
    justify-content:center;
    font-weight:900;
    color:#0B1026;
    font-size:1.1rem;
    box-shadow:0 0 18px rgba(245,166,35,.4);
}
.nav-links{
    display:flex;
    align-items:center;
    gap:.25rem;
    margin-left:.5rem;
}
.nav-links a{
    position:relative;
    padding:.5rem .875rem;
    color:#C6CFE8;
    font-size:.9375rem;
    font-weight:500;
    border-radius:8px;
    transition:color .25s ease,background .25s ease;
}
.nav-links a:hover{
    color:#fff;
    background:rgba(255,255,255,.05);
}
.nav-links a.active{
    color:#fff;
    font-weight:600;
}
.nav-links a.active::after{
    content:'';
    position:absolute;
    left:50%;
    bottom:.15rem;
    transform:translateX(-50%);
    width:20px;
    height:2px;
    background:var(--accent);
    border-radius:2px;
    box-shadow:0 0 8px rgba(245,166,35,.8);
}
.nav-actions{
    display:flex;
    align-items:center;
    gap:.75rem;
    margin-left:auto;
    flex-shrink:0;
}
.nav-actions .btn-gold,
.nav-actions .btn-glass{
    padding:.6rem 1.4rem;
    font-size:.875rem;
}
.navbar-toggle{
    display:none;
    background:rgba(255,255,255,.06);
    border:1px solid rgba(255,255,255,.12);
    border-radius:10px;
    width:42px;
    height:42px;
    color:#fff;
    font-size:1.125rem;
    cursor:pointer;
    align-items:center;
    justify-content:center;
    transition:all .3s ease;
    margin-left:auto;
}
.navbar-toggle:hover{
    background:rgba(255,255,255,.12);
    border-color:rgba(255,255,255,.2);
}
.navbar-toggle:focus-visible{
    outline:3px solid rgba(45,107,255,.5);
    outline-offset:2px;
}

/* 文章Hero区 */
.article-hero{
    position:relative;
    padding:calc(72px + clamp(3rem,7vw,5rem)) 0 clamp(2.5rem,5vw,4rem);
    background:
        linear-gradient(180deg,rgba(11,16,38,.92) 0%,rgba(11,16,38,.86) 60%,rgba(11,16,38,.97) 100%),
        url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    border-bottom:1px solid rgba(255,255,255,.05);
    text-align:center;
    overflow:hidden;
}
.article-hero::before{
    content:'';
    position:absolute;
    inset:0;
    background:
        radial-gradient(circle at 20% 30%,rgba(45,107,255,.15) 0%,transparent 55%),
        radial-gradient(circle at 80% 70%,rgba(245,166,35,.08) 0%,transparent 50%);
    pointer-events:none;
}
.article-hero .container-custom{
    position:relative;
    z-index:2;
}
.hero-badge{
    display:inline-flex;
    align-items:center;
    gap:.4rem;
    padding:.35rem 1rem;
    background:rgba(245,166,35,.12);
    border:1px solid rgba(245,166,35,.35);
    border-radius:var(--radius-badge);
    color:var(--accent);
    font-size:.8125rem;
    font-weight:600;
    letter-spacing:.02em;
    margin-bottom:1.5rem;
}
.hero-badge i{font-size:.75rem}
.breadcrumb-nav{
    display:flex;
    justify-content:center;
    margin-bottom:1.5rem;
}
.breadcrumb{
    display:flex;
    align-items:center;
    gap:.5rem;
    font-size:.875rem;
    color:var(--text-sub);
    flex-wrap:wrap;
    justify-content:center;
    margin:0;
    padding:0;
    list-style:none;
}
.breadcrumb li{display:inline-flex;align-items:center}
.breadcrumb li+li::before{
    content:'/';
    margin-right:.5rem;
    color:var(--text-weak);
}
.breadcrumb a{
    color:var(--text-sub);
    transition:color .25s ease;
}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .active{
    color:var(--text-main);
    max-width:320px;
    overflow:hidden;
    text-overflow:ellipsis;
    white-space:nowrap;
}
.article-hero h1{
    font-size:clamp(1.875rem,5vw,3rem);
    font-weight:800;
    line-height:1.25;
    margin-bottom:1rem;
    letter-spacing:.01em;
    background:linear-gradient(135deg,#fff 25%,#A8C2FF 100%);
    -webkit-background-clip:text;
    -webkit-text-fill-color:transparent;
    background-clip:text;
    max-width:880px;
    margin-left:auto;
    margin-right:auto;
}
.article-meta{
    display:flex;
    align-items:center;
    justify-content:center;
    gap:1.5rem;
    flex-wrap:wrap;
    color:var(--text-sub);
    font-size:.875rem;
    margin-top:1.25rem;
}
.meta-item{
    display:inline-flex;
    align-items:center;
    gap:.35rem;
    background:rgba(255,255,255,.04);
    border:1px solid rgba(255,255,255,.07);
    padding:.3rem .75rem;
    border-radius:var(--radius-badge);
    transition:all .3s ease;
}
.meta-item i{color:var(--secondary)}
.meta-item:hover{
    border-color:rgba(0,212,224,.3);
    color:var(--text-main);
}

/* 文章正文区 */
.article-main{
    padding:clamp(2.5rem,6vw,4.5rem) 0 clamp(2rem,4vw,3rem);
    background:var(--bg-primary);
    position:relative;
}
.article-wrapper{
    max-width:840px;
    margin:0 auto;
    background:var(--glass-card,rgba(25,32,64,.55));
    border:1px solid var(--border);
    border-radius:20px;
    padding:clamp(1.5rem,4vw,3rem);
    box-shadow:var(--shadow-card);
    backdrop-filter:blur(20px);
    -webkit-backdrop-filter:blur(20px);
    position:relative;
}
@supports not (backdrop-filter:blur(20px)){
    .article-wrapper{background:rgba(10,14,34,.94)}
}
.article-body{
    font-size:1.0625rem;
    line-height:1.8;
    color:#D6DEF5;
    word-wrap:break-word;
    overflow-wrap:break-word;
}
.article-body h2{
    font-size:1.5rem;
    font-weight:700;
    color:#fff;
    margin:2.25rem 0 1rem;
    padding:.5rem 0 .5rem 1.1rem;
    border-left:4px solid var(--accent);
    border-radius:0 8px 8px 0;
    background:linear-gradient(90deg,rgba(245,166,35,.08),transparent);
}
.article-body h3{
    font-size:1.25rem;
    font-weight:700;
    color:#fff;
    margin:1.75rem 0 .875rem;
    padding-bottom:.4rem;
    border-bottom:1px solid rgba(255,255,255,.08);
}
.article-body h4{
    font-size:1.125rem;
    font-weight:600;
    color:#E8ECF8;
    margin:1.5rem 0 .75rem;
}
.article-body p{
    margin-bottom:1.375rem;
}
.article-body a{
    color:var(--secondary);
    text-decoration:underline;
    text-underline-offset:3px;
    transition:color .25s ease;
}
.article-body a:hover{
    color:var(--accent);
}
.article-body img{
    max-width:100%;
    border-radius:14px;
    margin:1.75rem 0;
    box-shadow:0 10px 40px rgba(0,0,0,.35);
}
.article-body ul,
.article-body ol{
    padding-left:1.5rem;
    margin-bottom:1.5rem;
}
.article-body li{
    margin-bottom:.625rem;
}
.article-body blockquote{
    border-left:4px solid var(--accent);
    background:rgba(255,255,255,.03);
    padding:1.125rem 1.5rem;
    border-radius:0 12px 12px 0;
    margin:1.75rem 0;
    color:#AEB9DC;
    font-style:italic;
}
.article-body code{
    background:rgba(0,212,224,.1);
    color:var(--secondary);
    padding:.15rem .45rem;
    border-radius:6px;
    font-size:.875em;
}
.article-body pre{
    background:rgba(0,0,0,.35);
    border:1px solid rgba(255,255,255,.08);
    border-radius:12px;
    padding:1.25rem;
    overflow-x:auto;
    margin:1.5rem 0;
}
.article-body pre code{
    background:none;
    padding:0;
    color:#AEB9DC;
}
.article-body table{
    width:100%;
    border-collapse:collapse;
    margin:1.5rem 0;
    font-size:.9375rem;
}
.article-body table th,
.article-body table td{
    border:1px solid rgba(255,255,255,.1);
    padding:.75rem 1rem;
    text-align:left;
}
.article-body table th{
    background:rgba(45,107,255,.12);
    color:#fff;
    font-weight:600;
}
.article-body table tr:nth-child(even) td{
    background:rgba(255,255,255,.02);
}
.article-body hr{
    border:none;
    height:1px;
    background:linear-gradient(90deg,transparent,rgba(255,255,255,.15),transparent);
    margin:2.5rem 0;
}

/* 文章空态 */
.article-empty{
    text-align:center;
    padding:4rem 1.5rem;
}
.article-empty .empty-icon{
    width:96px;
    height:96px;
    margin:0 auto 1.5rem;
    border-radius:50%;
    background:rgba(255,255,255,.04);
    border:1px solid var(--border);
    display:flex;
    align-items:center;
    justify-content:center;
    font-size:2rem;
    color:var(--text-sub);
}
.article-empty h2{
    font-size:1.5rem;
    color:#fff;
    margin-bottom:.75rem;
}
.article-empty p{
    color:var(--text-sub);
    max-width:380px;
    margin:0 auto 1.75rem;
}
.article-empty .btn-gold{
    padding:.75rem 2rem;
}

/* 文章底部返回 */
.article-footer-bar{
    margin-top:2.5rem;
    padding-top:1.5rem;
    border-top:1px solid rgba(255,255,255,.07);
    display:flex;
    justify-content:center;
    gap:1rem;
}
.article-footer-bar .btn-glass{
    padding:.65rem 1.75rem;
    font-size:.875rem;
}

/* 相关推荐 */
.related-section{
    padding:clamp(3rem,8vw,6rem) 0;
    background:var(--bg-secondary);
    position:relative;
}
.related-section::before{
    content:'';
    position:absolute;
    top:0;
    left:0;
    right:0;
    height:1px;
    background:linear-gradient(90deg,transparent,rgba(245,166,35,.3),transparent);
}
.section-header{
    text-align:center;
    margin-bottom:3rem;
}
.section-badge{
    display:inline-block;
    padding:.35rem 1.1rem;
    background:rgba(0,212,224,.1);
    border:1px solid rgba(0,212,224,.3);
    border-radius:var(--radius-badge);
    color:var(--secondary);
    font-size:.8125rem;
    font-weight:600;
    letter-spacing:.04em;
    margin-bottom:1rem;
}
.section-header h2{
    font-size:clamp(1.625rem,3vw,2.375rem);
    font-weight:800;
    color:#fff;
    margin-bottom:0;
}
.related-grid{
    display:grid;
    grid-template-columns:1.55fr 1fr;
    gap:1.5rem;
    align-items:stretch;
}
.related-card{
    display:flex;
    flex-direction:column;
    background:rgba(25,32,64,.5);
    border:1px solid var(--border);
    border-radius:var(--radius-card);
    overflow:hidden;
    transition:all .35s ease;
    box-shadow:0 8px 30px rgba(0,0,0,.25);
}
.related-card:hover{
    transform:translateY(-4px);
    border-color:rgba(255,255,255,.16);
    box-shadow:0 16px 44px rgba(0,0,0,.38);
    background:rgba(32,42,82,.6);
}
.related-thumb{
    position:relative;
    aspect-ratio:16/9;
    overflow:hidden;
    background:rgba(0,0,0,.2);
}
.related-thumb img{
    width:100%;
    height:100%;
    object-fit:cover;
    transition:transform .6s ease;
}
.related-card:hover .related-thumb img{
    transform:scale(1.05);
}
.related-tag{
    position:absolute;
    top:.875rem;
    left:.875rem;
    padding:.28rem .85rem;
    background:rgba(11,16,38,.75);
    border:1px solid rgba(245,166,35,.4);
    color:var(--accent);
    font-size:.75rem;
    font-weight:600;
    border-radius:var(--radius-badge);
    backdrop-filter:blur(8px);
}
.related-body{
    padding:1.5rem;
    display:flex;
    flex-direction:column;
    flex:1;
}
.related-body h3{
    font-size:1.125rem;
    font-weight:700;
    color:#fff;
    margin-bottom:.625rem;
    line-height:1.45;
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
}
.related-body p{
    font-size:.9375rem;
    color:var(--text-sub);
    line-height:1.7;
    margin-bottom:1.25rem;
    display:-webkit-box;
    -webkit-line-clamp:2;
    -webkit-box-orient:vertical;
    overflow:hidden;
    flex:1;
}
.related-meta{
    display:flex;
    align-items:center;
    gap:1rem;
    font-size:.8125rem;
    color:var(--text-weak);
}
.related-meta span{
    display:inline-flex;
    align-items:center;
    gap:.35rem;
}
.related-meta i{
    color:var(--secondary);
    font-size:.75rem;
}
.related-arrow{
    margin-left:auto;
    width:30px;
    height:30px;
    display:flex;
    align-items:center;
    justify-content:center;
    border-radius:50%;
    background:rgba(255,255,255,.05);
    border:1px solid rgba(255,255,255,.08);
    color:var(--text-sub) !important;
    transition:all .3s ease;
}
.related-card:hover .related-arrow{
    background:rgba(245,166,35,.15);
    border-color:rgba(245,166,35,.3);
    color:var(--accent) !important;
}
@media (max-width:767.98px){
    .related-grid{grid-template-columns:1fr}
}

/* CTA横幅 */
.cta-banner{
    position:relative;
    padding:clamp(3rem,8vw,5.5rem) 0;
    background:
        radial-gradient(circle at 50% 100%,rgba(245,166,35,.12),transparent 65%),
        linear-gradient(180deg,var(--bg-primary) 0%,var(--bg-tertiary) 100%);
    border-top:1px solid var(--border);
    text-align:center;
    overflow:hidden;
}
.cta-banner::before{
    content:'';
    position:absolute;
    inset:0;
    background-image:
        linear-gradient(rgba(255,255,255,.02) 1px,transparent 1px),
        linear-gradient(90deg,rgba(255,255,255,.02) 1px,transparent 1px);
    background-size:36px 36px;
    pointer-events:none;
}
.cta-banner .container-custom{
    position:relative;
    z-index:2;
}
.cta-banner h2{
    font-size:clamp(1.625rem,3.5vw,2.5rem);
    font-weight:800;
    color:#fff;
    margin-bottom:.875rem;
}
.cta-banner p{
    color:var(--text-sub);
    font-size:1rem;
    max-width:560px;
    margin:0 auto 2rem;
}
.cta-banner .btn-gold{
    font-size:1rem;
    padding:.875rem 2.5rem;
}

/* 页脚 */
.site-footer{
    background:#080C1E;
    border-top:1px solid rgba(255,255,255,.06);
    padding:clamp(2.5rem,6vw,4.5rem) 0 1.5rem;
}
.footer-grid{
    display:grid;
    grid-template-columns:1.4fr .8fr .8fr .8fr;
    gap:2.5rem;
    margin-bottom:2.5rem;
}
.footer-brand{
    display:flex;
    align-items:center;
    gap:.6rem;
    font-size:1.25rem;
    font-weight:800;
    color:#fff;
    margin-bottom:1rem;
}
.footer-brand .brand-icon{
    width:34px;
    height:34px;
    border-radius:10px;
    font-size:1rem;
}
.footer-desc{
    color:var(--text-sub);
    font-size:.875rem;
    line-height:1.8;
    max-width:280px;
}
.footer-col h4{
    font-size:1rem;
    font-weight:700;
    color:#fff;
    margin-bottom:1.125rem;
}
.footer-col ul{
    list-style:none;
    padding:0;
    margin:0;
}
.footer-col li{
    margin-bottom:.625rem;
}
.footer-col a{
    color:var(--text-sub);
    font-size:.875rem;
    transition:color .25s ease,padding-left .25s ease;
}
.footer-col a:hover{
    color:var(--accent);
    padding-left:4px;
}
.footer-bottom{
    border-top:1px solid rgba(255,255,255,.05);
    padding-top:1.5rem;
    text-align:center;
    color:var(--text-weak);
    font-size:.8125rem;
}
@media (max-width:991.98px){
    .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:575.98px){
    .footer-grid{grid-template-columns:1fr}
}

/* 模态框深度定制 */
.modal-content{
    background:rgba(13,20,48,.97);
    border:1px solid rgba(255,255,255,.1);
    border-radius:20px;
    box-shadow:0 30px 80px rgba(0,0,0,.7);
    color:var(--text-main);
    backdrop-filter:blur(24px);
    -webkit-backdrop-filter:blur(24px);
}
.modal-header{
    border-bottom:1px solid rgba(255,255,255,.08);
    padding:1.25rem 1.5rem;
}
.modal-title{
    font-weight:700;
    font-size:1.25rem;
    color:#fff;
    display:flex;
    align-items:center;
    gap:.5rem;
}
.modal-title i{
    color:var(--accent);
}
.btn-close{
    filter:invert(1) grayscale(100%);
    opacity:.6;
    transition:opacity .3s ease;
}
.btn-close:hover{
    opacity:1;
}
.modal-body{
    padding:1.75rem 1.5rem;
}
.form-label{
    color:#AEB9DC;
    font-size:.875rem;
    font-weight:500;
    margin-bottom:.5rem;
}
.form-control{
    background:rgba(255,255,255,.04);
    border:1px solid rgba(255,255,255,.1);
    border-radius:10px;
    color:var(--text-main);
    padding:.75rem 1rem;
    transition:border-color .3s ease,box-shadow .3s ease,background .3s ease;
}
.form-control:focus{
    background:rgba(255,255,255,.06);
    border-color:var(--primary);
    box-shadow:0 0 0 3px rgba(45,107,255,.25);
    color:var(--text-main);
}
.form-control::placeholder{
    color:var(--text-weak);
}
.form-select{
    background-color:rgba(255,255,255,.04);
    border:1px solid rgba(255,255,255,.1);
    border-radius:10px;
    color:var(--text-main);
    padding:.75rem 2.25rem .75rem 1rem;
}
.form-select:focus{
    border-color:var(--primary);
    box-shadow:0 0 0 3px rgba(45,107,255,.25);
}
.form-select option{
    background:#0D1430;
    color:var(--text-main);
}
.modal .btn-gold{
    width:100%;
    padding:.875rem 1.5rem;
    font-size:1rem;
    border-radius:12px;
}
.modal .form-text{
    color:var(--text-weak);
    font-size:.8125rem;
}
.invalid-feedback{
    font-size:.8125rem;
    color:#FF6B6B;
}
.was-validated .form-control:invalid{
    border-color:#FF6B6B;
}
.was-validated .form-control:invalid:focus{
    box-shadow:0 0 0 3px rgba(255,107,107,.25);
}
.modal-backdrop{
    background:#000;
    opacity:.7 !important;
}
.modal-backdrop.show{
    opacity:.7 !important;
}
.modal.fade .modal-dialog{
    transform:translateY(20px) scale(.96);
    transition:transform .35s ease;
}
.modal.show .modal-dialog{
    transform:translateY(0) scale(1);
}

/* 定制徽章分隔线 - 文章页小工具 */
.article-divider{
    display:flex;
    align-items:center;
    gap:1rem;
    margin:2.5rem 0;
}
.article-divider::before,
.article-divider::after{
    content:'';
    flex:1;
    height:1px;
    background:linear-gradient(90deg,transparent,rgba(255,255,255,.15),transparent);
}

/* 响应式 */
@media (max-width:991.98px){
    .navbar-inner{
        gap:1rem;
        flex-wrap:wrap;
        height:auto;
        padding-top:.625rem;
        padding-bottom:.625rem;
    }
    .navbar-toggle{
        display:flex;
    }
    .nav-links{
        display:none;
        width:100%;
        flex-basis:100%;
        margin-left:0;
        flex-direction:column;
        align-items:stretch;
        background:rgba(11,16,38,.98);
        border-top:1px solid rgba(255,255,255,.06);
        margin-top:.5rem;
        padding:.5rem 0 .25rem;
        border-radius:0 0 14px 14px;
        box-shadow:0 20px 40px rgba(0,0,0,.4);
    }
    .nav-links.open{
        display:flex;
    }
    .nav-links a{
        padding:.85rem 1rem;
        border-bottom:1px solid rgba(255,255,255,.05);
        border-radius:0;
        font-size:1rem;
    }
    .nav-links a.active::after{
        bottom:auto;
        left:.75rem;
        top:50%;
        transform:translateY(-50%);
        width:3px;
        height:18px;
    }
    .nav-actions{
        display:none;
        width:100%;
        flex-basis:100%;
        flex-direction:column;
        gap:.625rem;
        background:rgba(11,16,38,.98);
        padding:0 0 .875rem;
        border-radius:0 0 14px 14px;
        margin-top:-.5rem;
    }
    .nav-links.open + .nav-actions{
        display:flex;
    }
    .nav-actions .btn-gold,
    .nav-actions .btn-glass{
        width:100%;
        justify-content:center;
        padding:.75rem 1rem;
    }
}
@media (max-width:575.98px){
    .article-hero h1{
        font-size:clamp(1.75rem,7vw,2.25rem);
    }
    .article-meta{
        gap:.75rem 1rem;
    }
    .article-wrapper{
        padding:1.25rem;
        border-radius:16px;
    }
    .related-body{
        padding:1.125rem;
    }
    .breadcrumb .active{
        max-width:220px;
    }
}

/* roulang page: category1 */
:root {
            --bg-primary: #0B1026;
            --bg-secondary: #0D1430;
            --bg-darkest: #080C1E;
            --brand-color: #2D6BFF;
            --accent-color: #00D4E0;
            --gold-color: #F5A623;
            --text-main: #E8ECF8;
            --text-secondary: #98A2C8;
            --text-muted: #5E6A90;
            --border-light: rgba(255, 255, 255, 0.08);
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-pill: 999px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.3);
            --shadow-gold: 0 0 20px rgba(245, 166, 35, 0.35), 0 0 40px rgba(245, 166, 35, 0.15);
            --container-max: 1140px;
            --section-space: clamp(3rem, 8vw, 6rem);
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            background: var(--bg-primary);
            color: var(--text-main);
            font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            line-height: 1.7;
            margin: 0;
            padding: 0;
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--brand-color);
            text-decoration: none;
            transition: color 0.3s;
        }

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

        img {
            max-width: 100%;
        }

        button,
        input {
            font-family: inherit;
        }

        .container-custom {
            max-width: var(--container-max);
            margin-inline: auto;
            padding-inline: 24px;
        }

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            color: #fff;
            line-height: 1.3;
        }

        .btn-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--gold-color), #ffc65c);
            color: #0B1026;
            font-weight: 700;
            border: none;
            border-radius: var(--radius-btn);
            padding: 11px 24px;
            font-size: 0.95rem;
            text-decoration: none;
            cursor: pointer;
            box-shadow: var(--shadow-gold);
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .btn-gold:hover {
            transform: translateY(-2px);
            box-shadow: 0 0 30px rgba(245, 166, 35, 0.5), 0 0 60px rgba(245, 166, 35, 0.25);
            color: #0B1026;
        }

        .btn-glass {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.18);
            color: #E8ECF8;
            border-radius: var(--radius-btn);
            padding: 11px 24px;
            font-size: 0.95rem;
            text-decoration: none;
            cursor: pointer;
            transition: all 0.3s ease;
            white-space: nowrap;
        }

        .btn-glass:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            border-color: rgba(255, 255, 255, 0.3);
            transform: translateY(-2px);
        }

        .btn-gold-lg,
        .btn-glass-lg {
            padding: 14px 36px;
            font-size: 1.05rem;
            border-radius: 12px;
        }

        .custom-navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1000;
            display: flex;
            align-items: center;
            min-height: 72px;
            background: rgba(11, 16, 38, 0.75);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }

        .custom-navbar.scrolled {
            background: rgba(11, 16, 38, 0.95);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.25);
        }

        .navbar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            width: 100%;
            max-width: var(--container-max);
            margin-inline: auto;
            padding: 0 24px;
            gap: 20px;
            flex-wrap: wrap;
        }

        .navbar-brand {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-weight: 800;
            font-size: 1.15rem;
            text-decoration: none;
            letter-spacing: 0.02em;
        }

        .navbar-brand:hover {
            color: #fff;
        }

        .brand-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--gold-color), #ffc65c);
            color: #0B1026;
            font-weight: 900;
            font-size: 1.1rem;
            display: flex;
            align-items: center;
            justify-content: center;
            box-shadow: 0 0 16px rgba(245, 166, 35, 0.4);
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
        }

        .nav-links a {
            color: #C6CFE8;
            text-decoration: none;
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 2px;
            position: relative;
            transition: color 0.3s ease;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 2px;
            background: var(--gold-color);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform 0.3s ease;
        }

        .nav-links a:hover,
        .nav-links a.active {
            color: #fff;
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            transform: scaleX(1);
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .navbar-toggle {
            display: none;
            background: none;
            border: none;
            color: #fff;
            font-size: 1.4rem;
            cursor: pointer;
            padding: 6px 8px;
            border-radius: 8px;
            transition: background 0.3s;
        }

        .navbar-toggle:hover {
            background: rgba(255, 255, 255, 0.08);
        }

        .page-hero {
            position: relative;
            padding: 150px 0 90px;
            min-height: 520px;
            display: flex;
            align-items: center;
            overflow: hidden;
            background: var(--bg-primary);
        }

        .hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0.35;
            z-index: 0;
        }

        .hero-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 30% 30%, rgba(11, 16, 38, 0.6), rgba(11, 16, 38, 0.92)),
                linear-gradient(180deg, rgba(11, 16, 38, 0.4), rgba(11, 16, 38, 0.9));
        }

        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 820px;
            margin-inline: auto;
            padding: 0 24px;
            width: 100%;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(245, 166, 35, 0.5);
            color: var(--gold-color);
            background: rgba(245, 166, 35, 0.1);
            font-size: 0.8rem;
            letter-spacing: 0.04em;
            margin-bottom: 22px;
        }

        .page-hero h1 {
            font-size: clamp(2.125rem, 5vw, 3.25rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            text-shadow: 0 4px 30px rgba(0, 0, 0, 0.5);
        }

        .hero-subtitle {
            font-size: 1.125rem;
            line-height: 1.7;
            color: #AEB9DC;
            max-width: 640px;
            margin: 0 auto 30px;
        }

        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .page-breadcrumb {
            display: flex;
            justify-content: center;
            margin-bottom: 16px;
        }

        .page-breadcrumb .breadcrumb {
            margin-bottom: 0;
            background: transparent;
            justify-content: center;
        }

        .page-breadcrumb .breadcrumb-item,
        .page-breadcrumb .breadcrumb-item.active {
            color: var(--text-muted);
            font-size: 0.875rem;
        }

        .page-breadcrumb .breadcrumb-item a {
            color: #98A2C8;
            text-decoration: none;
        }

        .page-breadcrumb .breadcrumb-item a:hover {
            color: var(--gold-color);
        }

        .page-breadcrumb .breadcrumb-item+.breadcrumb-item::before {
            color: var(--text-muted);
            content: "/";
        }

        .section-block {
            padding: var(--section-space) 0;
            position: relative;
            background: var(--bg-primary);
        }

        .section-block:nth-child(even) {
            background: var(--bg-secondary);
        }

        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto clamp(2.25rem, 5vw, 3.5rem);
        }

        .section-head h2 {
            font-size: clamp(1.625rem, 3vw, 2.375rem);
            font-weight: 700;
            color: #fff;
            margin-bottom: 12px;
        }

        .section-head p {
            color: var(--text-secondary);
            font-size: 1rem;
            line-height: 1.7;
            margin: 0;
        }

        .overview-image {
            border-radius: 20px;
            overflow: hidden;
            box-shadow: var(--shadow-card);
            border: 1px solid var(--border-light);
            background: var(--bg-secondary);
        }

        .overview-image img {
            display: block;
            width: 100%;
            height: auto;
            transition: transform 0.5s ease;
        }

        .overview-image:hover img {
            transform: scale(1.03);
        }

        .overview-text p {
            color: var(--text-secondary);
            font-size: 1.0625rem;
            line-height: 1.8;
            margin-bottom: 26px;
        }

        .feature-list {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }

        .feature-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            color: #C6CFE8;
            font-size: 0.95rem;
            line-height: 1.65;
            padding: 16px 18px;
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.06);
            transition: background 0.3s, border-color 0.3s;
        }

        .feature-list li:hover {
            background: rgba(45, 107, 255, 0.08);
            border-color: rgba(45, 107, 255, 0.25);
        }

        .feature-list li i {
            color: var(--accent-color);
            margin-top: 5px;
            font-size: 1rem;
            flex-shrink: 0;
        }

        .timeline-section {
            position: relative;
        }

        .timeline-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
            opacity: 0.06;
            pointer-events: none;
        }

        .timeline {
            max-width: 760px;
            margin: 0 auto;
            position: relative;
            padding: 20px 0;
        }

        .timeline::before {
            content: '';
            position: absolute;
            left: 25px;
            top: 0;
            bottom: 0;
            width: 2px;
            background: linear-gradient(180deg, transparent, rgba(45, 107, 255, 0.6), rgba(0, 212, 224, 0.6), transparent);
        }

        .timeline-item {
            position: relative;
            padding-left: 72px;
            margin-bottom: 44px;
        }

        .timeline-item:last-child {
            margin-bottom: 0;
        }

        .timeline-dot {
            position: absolute;
            left: 16px;
            top: 6px;
            width: 18px;
            height: 18px;
            border-radius: 50%;
            background: var(--gold-color);
            box-shadow: 0 0 0 4px rgba(245, 166, 35, 0.2), 0 0 20px rgba(245, 166, 35, 0.5);
        }

        .timeline-content {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 26px;
            transition: background 0.3s ease, border-color 0.3s ease;
        }

        .timeline-item:hover .timeline-content {
            background: rgba(45, 107, 255, 0.08);
            border-color: rgba(45, 107, 255, 0.3);
        }

        .timeline-content h3 {
            font-size: 1.25rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        .timeline-content p {
            color: var(--text-secondary);
            font-size: 0.95rem;
            line-height: 1.7;
            margin: 0;
        }

        .advantage-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }

        .advantage-card {
            background: rgba(25, 32, 64, 0.6);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-card);
            padding: 30px 24px;
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            transition: all 0.3s ease;
            position: relative;
        }

        .advantage-card:hover {
            transform: translateY(-4px);
            background: rgba(30, 38, 76, 0.75);
            border-color: rgba(255, 255, 255, 0.16);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.35);
        }

        .advantage-icon {
            width: 48px;
            height: 48px;
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.15rem;
            color: var(--gold-color);
            background: rgba(245, 166, 35, 0.12);
            margin-bottom: 18px;
        }

        .advantage-card h3 {
            font-size: 1.2rem;
            font-weight: 700;
            color: #fff;
            margin: 0 0 10px;
        }

        .advantage-card p {
            color: var(--text-secondary);
            font-size: 0.9375rem;
            line-height: 1.7;
            margin: 0;
        }

        .faq-section .accordion {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .faq-section .accordion-item {
            background: rgba(255, 255, 255, 0.03) !important;
            border: 1px solid rgba(255, 255, 255, 0.08) !important;
            border-radius: 12px !important;
            overflow: hidden;
            transition: background 0.3s ease, border-color 0.3s ease;
            position: relative;
        }

        .faq-section .accordion-item::before {
            content: '';
            position: absolute;
            left: 0;
            top: 0;
            bottom: 0;
            width: 3px;
            background: var(--gold-color);
            opacity: 0;
            transition: opacity 0.3s ease;
            z-index: 2;
        }

        .faq-section .accordion-item:has(.show),
        .faq-section .accordion-item:has(.collapsing) {
            background: rgba(45, 107, 255, 0.08) !important;
            border-color: rgba(45, 107, 255, 0.28) !important;
        }

        .faq-section .accordion-item:has(.show)::before,
        .faq-section .accordion-item:has(.collapsing)::before {
            opacity: 1;
        }

        .faq-section .accordion-button {
            background: transparent;
            color: #E8ECF8;
            font-weight: 600;
            font-size: 1rem;
            padding: 20px 22px;
            box-shadow: none;
            border: none;
            transition: color 0.3s;
        }

        .faq-section .accordion-button:not(.collapsed) {
            color: var(--accent-color);
            background: transparent;
        }

        .faq-section .accordion-button::after {
            filter: invert(1);
            opacity: 0.6;
            transition: transform 0.3s ease, opacity 0.3s ease;
        }

        .faq-section .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
            opacity: 0.9;
        }

        .faq-section .accordion-body {
            color: var(--text-secondary);
            line-height: 1.75;
            font-size: 0.95rem;
            padding: 0 22px 22px;
        }

        .cta-banner {
            position: relative;
            padding: clamp(3.5rem, 7vw, 5.5rem) 0;
            text-align: center;
            overflow: hidden;
            background: var(--bg-primary);
        }

        .cta-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
            opacity: 0.3;
        }

        .cta-bg::after {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at center, rgba(11, 16, 38, 0.2), rgba(11, 16, 38, 0.92)),
                linear-gradient(180deg, transparent, var(--bg-primary));
        }

        .cta-content {
            position: relative;
            z-index: 2;
        }

        .cta-content h2 {
            font-size: clamp(1.75rem, 3.5vw, 2.5rem);
            color: #fff;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .cta-content p {
            color: #AEB9DC;
            font-size: 1rem;
            margin-bottom: 30px;
        }

        .site-footer {
            background: var(--bg-darkest);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 60px 0 32px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            color: #fff;
            font-weight: 800;
            font-size: 1.15rem;
            margin-bottom: 16px;
        }

        .footer-desc {
            color: var(--text-muted);
            font-size: 0.9rem;
            line-height: 1.7;
            max-width: 340px;
            margin: 0;
        }

        .footer-col h4 {
            color: #fff;
            font-size: 1rem;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-col a {
            color: var(--text-secondary);
            text-decoration: none;
            font-size: 0.9rem;
            transition: color 0.3s ease;
        }

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

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 24px;
            text-align: center;
            color: var(--text-muted);
            font-size: 0.8125rem;
        }

        .modal-content {
            background: rgba(10, 14, 34, 0.96);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 20px;
            box-shadow: 0 24px 80px rgba(0, 0, 0, 0.6);
        }

        .modal-header {
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            padding: 1.25rem 1.5rem;
        }

        .modal-title {
            color: #fff;
            font-weight: 700;
        }

        .btn-close {
            filter: invert(1);
            opacity: 0.7;
        }

        .btn-close:hover {
            opacity: 1;
        }

        .modal-body {
            padding: 1.5rem;
        }

        .form-label {
            color: #C6CFE8;
            font-weight: 500;
            font-size: 0.9rem;
            margin-bottom: 8px;
        }

        .form-control {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 10px;
            color: #E8ECF8;
            padding: 12px 16px;
            font-size: 0.95rem;
            transition: border-color 0.3s, box-shadow 0.3s, background 0.3s;
        }

        .form-control:focus {
            background: rgba(255, 255, 255, 0.06);
            border-color: var(--brand-color);
            box-shadow: 0 0 0 3px rgba(45, 107, 255, 0.25);
            color: #fff;
        }

        .form-control::placeholder {
            color: var(--text-muted);
        }

        .invalid-feedback {
            font-size: 0.8125rem;
        }

        .plan-option {
            display: flex;
            align-items: center;
            gap: 12px;
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 12px;
            padding: 14px 16px;
            margin-bottom: 10px;
            cursor: pointer;
            transition: border-color 0.3s, background 0.3s;
        }

        .plan-option:hover {
            border-color: rgba(255, 255, 255, 0.22);
            background: rgba(255, 255, 255, 0.06);
        }

        .plan-option input {
            margin-top: 0;
        }

        .plan-option label {
            display: flex;
            flex-direction: column;
            color: #E8ECF8;
            font-weight: 600;
            font-size: 0.95rem;
            line-height: 1.4;
            cursor: pointer;
        }

        .plan-option small {
            color: var(--text-secondary);
            font-weight: 400;
            font-size: 0.8rem;
            margin-top: 2px;
        }

        .form-check-input:checked {
            background-color: var(--gold-color);
            border-color: var(--gold-color);
        }

        .form-check-input:focus {
            box-shadow: 0 0 0 3px rgba(245, 166, 35, 0.25);
            border-color: var(--gold-color);
        }

        @media (max-width: 991.98px) {
            .navbar-toggle {
                display: block;
            }

            .nav-links,
            .nav-actions {
                display: none;
                width: 100%;
                flex-direction: column;
                align-items: stretch;
                gap: 6px;
            }

            .custom-navbar.nav-open .nav-links,
            .custom-navbar.nav-open .nav-actions {
                display: flex;
                padding-top: 10px;
            }

            .custom-navbar.nav-open .nav-links {
                border-top: 1px solid rgba(255, 255, 255, 0.08);
                margin-top: 10px;
            }

            .nav-links a {
                padding: 12px 4px;
                font-size: 1rem;
                border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            }

            .nav-links a::after {
                display: none;
            }

            .nav-actions .btn-gold,
            .nav-actions .btn-glass {
                width: 100%;
                justify-content: center;
                margin-top: 6px;
            }

            .advantage-grid {
                grid-template-columns: repeat(2, 1fr);
            }

            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
        }

        @media (max-width: 767.98px) {
            .page-hero {
                min-height: 460px;
                padding: 130px 0 70px;
            }

            .hero-actions {
                flex-direction: column;
                align-items: center;
            }

            .hero-actions .btn-gold,
            .hero-actions .btn-glass {
                width: 100%;
                max-width: 320px;
            }

            .timeline-item {
                padding-left: 56px;
            }

            .timeline::before {
                left: 18px;
            }

            .timeline-dot {
                left: 10px;
                width: 16px;
                height: 16px;
            }

            .footer-grid {
                grid-template-columns: 1fr;
            }
        }

        @media (max-width: 575.98px) {
            .page-hero h1 {
                font-size: clamp(1.875rem, 7vw, 2.375rem);
            }

            .hero-subtitle {
                font-size: 1rem;
            }

            .navbar-inner {
                padding: 0 16px;
            }

            .advantage-grid {
                grid-template-columns: 1fr;
            }

            .section-head h2 {
                font-size: 1.5rem;
            }

            .container-custom {
                padding-inline: 18px;
            }

            .timeline-content {
                padding: 20px;
            }

            .btn-gold-lg,
            .btn-glass-lg {
                width: 100%;
                max-width: 320px;
            }
        }

/* roulang page: category2 */
:root {
            --bg-deep: #0B1026;
            --bg-alt: #0D1430;
            --bg-darker: #0A0E22;
            --primary: #2D6BFF;
            --primary-rgb: 45, 107, 255;
            --accent: #00D4E0;
            --gold: #F5A623;
            --gold-rgb: 245, 166, 35;
            --text-main: #E8ECF8;
            --text-second: #98A2C8;
            --text-weak: #5E6A90;
            --border-light: rgba(255, 255, 255, 0.08);
            --glass-bg: rgba(25, 32, 64, 0.6);
            --glass-border: rgba(255, 255, 255, 0.08);
            --card-shadow: 0 8px 32px rgba(0, 0, 0, 0.3);
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-badge: 999px;
            --font-main: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            --section-space: clamp(3rem, 8vw, 6rem);
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 88px;
        }

        body {
            font-family: var(--font-main);
            background-color: var(--bg-deep);
            color: var(--text-main);
            line-height: 1.8;
            font-size: 1.0625rem;
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

        a {
            color: var(--accent);
            text-decoration: none;
            transition: color 0.3s ease;
        }

        a:hover {
            color: #ffffff;
        }

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

        .container-custom {
            width: 100%;
            max-width: 1140px;
            margin-left: auto;
            margin-right: auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== 导航栏 ===== */
        .custom-navbar {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 1050;
            height: 72px;
            background: rgba(11, 16, 38, 0.75);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            transition: background 0.4s ease, box-shadow 0.4s ease;
        }

        .custom-navbar.scrolled {
            background: rgba(11, 16, 38, 0.95);
            box-shadow: 0 8px 32px rgba(0, 0, 0, 0.35);
        }

        .navbar-inner {
            max-width: 1200px;
            height: 72px;
            margin: 0 auto;
            padding: 0 24px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.2rem;
            font-weight: 800;
            color: #fff;
            text-decoration: none;
            letter-spacing: 0.02em;
            white-space: nowrap;
        }

        .navbar-brand:hover {
            color: #fff;
        }

        .brand-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: linear-gradient(135deg, var(--gold), #d4881a);
            color: #0B1026;
            font-weight: 900;
            font-size: 1.25rem;
            box-shadow: 0 0 16px rgba(245, 166, 35, 0.4);
            flex-shrink: 0;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
            margin-left: auto;
        }

        .nav-links a {
            color: #C6CFE8;
            font-size: 0.9375rem;
            font-weight: 500;
            padding: 6px 2px;
            position: relative;
            transition: color 0.3s;
            white-space: nowrap;
            text-decoration: none;
        }

        .nav-links a::after {
            content: '';
            position: absolute;
            left: 0;
            right: 0;
            bottom: 0;
            height: 2px;
            background: linear-gradient(90deg, var(--accent), var(--gold));
            border-radius: 2px;
            opacity: 0;
            transform: scaleX(0.3);
            transition: opacity 0.3s, transform 0.3s;
        }

        .nav-links a:hover {
            color: #ffffff;
        }

        .nav-links a:hover::after,
        .nav-links a.active::after {
            opacity: 1;
            transform: scaleX(1);
        }

        .nav-links a.active {
            color: #ffffff;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-left: 8px;
        }

        .btn-gold {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            background: linear-gradient(135deg, var(--gold), #d4881a);
            color: #0B1026;
            font-weight: 700;
            font-size: 0.9375rem;
            border: none;
            box-shadow: 0 0 20px rgba(245, 166, 35, 0.35), 0 0 40px rgba(245, 166, 35, 0.15);
            transition: all 0.3s ease;
            text-decoration: none;
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-gold:hover {
            color: #0B1026;
            transform: translateY(-2px);
            box-shadow: 0 0 30px rgba(245, 166, 35, 0.5), 0 0 60px rgba(245, 166, 35, 0.25);
        }

        .btn-gold:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 3px;
        }

        .btn-glass {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 10px 22px;
            border-radius: var(--radius-btn);
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.18);
            color: var(--text-main);
            font-weight: 600;
            font-size: 0.9375rem;
            backdrop-filter: blur(10px);
            -webkit-backdrop-filter: blur(10px);
            transition: all 0.3s ease;
            text-decoration: none;
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-glass:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: rgba(255, 255, 255, 0.3);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-glass:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }

        .navbar-toggle {
            display: none;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 8px;
            color: #fff;
            font-size: 1.2rem;
            width: 44px;
            height: 44px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.3s;
        }

        .navbar-toggle:hover {
            border-color: var(--accent);
            color: var(--accent);
        }

        @media (max-width: 991.98px) {
            .navbar-toggle {
                display: flex;
            }

            .nav-links {
                position: absolute;
                top: 72px;
                left: 0;
                right: 0;
                flex-direction: column;
                align-items: flex-start;
                padding: 16px 24px 24px;
                background: rgba(10, 14, 34, 0.97);
                backdrop-filter: blur(24px);
                -webkit-backdrop-filter: blur(24px);
                border-bottom: 1px solid rgba(255, 255, 255, 0.08);
                gap: 4px;
                margin: 0;
                display: none;
            }

            .nav-links.open {
                display: flex;
            }

            .nav-links a {
                width: 100%;
                padding: 14px 8px;
                font-size: 1rem;
                border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            }

            .nav-links a::after {
                display: none;
            }

            .nav-actions {
                margin-left: 0;
            }

            .nav-actions .btn-gold,
            .nav-actions .btn-glass {
                padding: 8px 14px;
                font-size: 0.8125rem;
            }
        }

        @media (max-width: 575.98px) {
            .navbar-inner {
                padding: 0 16px;
            }

            .navbar-brand {
                font-size: 1rem;
            }

            .brand-icon {
                width: 34px;
                height: 34px;
                font-size: 1.1rem;
            }

            .nav-actions .btn-gold span,
            .nav-actions .btn-glass span {
                display: none;
            }
        }

        /* ===== 页面 Hero ===== */
        .service-hero {
            position: relative;
            padding: clamp(7rem, 12vw, 10rem) 0 clamp(3rem, 5vw, 4rem);
            background: linear-gradient(180deg, rgba(11, 16, 38, 0.55), rgba(11, 16, 38, 0.9)),
                url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }

        .service-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 20% 20%, rgba(45, 107, 255, 0.12), transparent 60%),
                radial-gradient(ellipse at 80% 80%, rgba(245, 166, 35, 0.08), transparent 50%);
            pointer-events: none;
        }

        .service-hero .container-custom {
            position: relative;
            z-index: 2;
            max-width: 900px;
            text-align: center;
        }

        .breadcrumb-nav {
            display: flex;
            justify-content: center;
            gap: 8px;
            font-size: 0.8125rem;
            color: var(--text-weak);
            margin-bottom: 24px;
        }

        .breadcrumb-nav a {
            color: var(--text-second);
        }

        .breadcrumb-nav a:hover {
            color: var(--accent);
        }

        .breadcrumb-nav i {
            font-size: 0.625rem;
            margin: 0 4px;
            align-self: center;
            color: var(--text-weak);
        }

        .hero-badge {
            display: inline-block;
            padding: 6px 20px;
            border-radius: var(--radius-badge);
            border: 1px solid rgba(245, 166, 35, 0.5);
            background: rgba(245, 166, 35, 0.08);
            color: var(--gold);
            font-size: 0.8125rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            margin-bottom: 24px;
        }

        .service-hero h1 {
            font-size: clamp(2.125rem, 5vw, 3.25rem);
            line-height: 1.2;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }

        .service-hero h1 .highlight {
            background: linear-gradient(120deg, #fff, #A5D8FF);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-lead {
            font-size: clamp(1.25rem, 2.4vw, 1.625rem);
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.5;
            margin-bottom: 16px;
        }

        .hero-desc {
            max-width: 640px;
            margin: 0 auto 32px;
            color: #AEB9DC;
            font-size: 1.125rem;
            line-height: 1.7;
        }

        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }

        .hero-actions .btn-gold,
        .hero-actions .btn-glass {
            padding: 14px 36px;
            font-size: 1rem;
            border-radius: 12px;
        }

        .hero-stats {
            margin-top: 48px;
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 16px;
            padding-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.07);
        }

        .hero-stats .stat-item {
            text-align: center;
            padding: 16px 8px;
        }

        .hero-stats .stat-num {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 800;
            color: #fff;
            background: linear-gradient(135deg, var(--gold), #ffd089);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .hero-stats .stat-label {
            font-size: 0.8125rem;
            color: var(--text-second);
            margin-top: 4px;
        }

        @media (max-width: 767.98px) {
            .hero-stats {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        /* ===== 通用板块 ===== */
        .section-padding {
            padding: var(--section-space) 0;
        }

        .section-title-wrap {
            text-align: center;
            margin-bottom: clamp(2rem, 4vw, 3.5rem);
        }

        .section-tag {
            display: inline-block;
            padding: 4px 16px;
            border-radius: var(--radius-badge);
            background: rgba(45, 107, 255, 0.1);
            border: 1px solid rgba(45, 107, 255, 0.25);
            color: var(--accent);
            font-size: 0.7813rem;
            font-weight: 600;
            letter-spacing: 0.08em;
            margin-bottom: 16px;
        }

        .section-title {
            font-size: clamp(1.625rem, 3vw, 2.375rem);
            font-weight: 700;
            line-height: 1.3;
            color: #fff;
            margin-bottom: 16px;
        }

        .section-subtitle {
            max-width: 680px;
            margin: 0 auto;
            color: var(--text-second);
            font-size: 1rem;
            line-height: 1.7;
        }

        /* ===== 会员等级体系 ===== */
        .section-levels {
            padding: var(--section-space) 0;
            background: var(--bg-alt);
            position: relative;
        }

        .levels-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            align-items: start;
        }

        .level-card {
            background: var(--glass-bg);
            border: 1px solid var(--glass-border);
            border-radius: var(--radius-card);
            padding: 40px 32px;
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            box-shadow: var(--card-shadow);
            transition: all 0.4s ease;
            position: relative;
            text-align: center;
        }

        .level-card:hover {
            background: rgba(30, 40, 76, 0.72);
            border-color: rgba(255, 255, 255, 0.15);
            box-shadow: 0 12px 40px rgba(0, 0, 0, 0.4);
            transform: translateY(-4px);
        }

        .level-card.featured {
            transform: translateY(-12px);
            z-index: 2;
            background: linear-gradient(145deg, rgba(35, 44, 82, 0.85), rgba(20, 28, 58, 0.9));
            border-color: rgba(245, 166, 35, 0.3);
            box-shadow: 0 12px 48px rgba(245, 166, 35, 0.08), 0 8px 32px rgba(0, 0, 0, 0.35);
        }

        .level-card.featured:hover {
            transform: translateY(-14px);
            border-color: rgba(245, 166, 35, 0.45);
        }

        .level-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            padding: 6px 20px;
            border-radius: var(--radius-badge);
            background: linear-gradient(135deg, var(--gold), #d4881a);
            color: #0B1026;
            font-size: 0.75rem;
            font-weight: 700;
            box-shadow: 0 0 20px rgba(245, 166, 35, 0.35);
            white-space: nowrap;
        }

        .level-icon {
            width: 64px;
            height: 64px;
            border-radius: 18px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 20px;
            font-size: 1.5rem;
            color: var(--gold);
            background: rgba(245, 166, 35, 0.1);
            border: 1px solid rgba(245, 166, 35, 0.2);
        }

        .level-card:nth-child(1) .level-icon {
            color: #B8C4E0;
            background: rgba(184, 196, 224, 0.08);
            border-color: rgba(184, 196, 224, 0.18);
        }

        .level-card:nth-child(3) .level-icon {
            color: var(--accent);
            background: rgba(0, 212, 224, 0.1);
            border-color: rgba(0, 212, 224, 0.2);
        }

        .level-name {
            font-size: 1.375rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 4px;
        }

        .level-price {
            font-size: 1rem;
            color: var(--text-second);
            margin-bottom: 24px;
        }

        .level-price strong {
            font-size: 1.875rem;
            color: #fff;
            font-weight: 800;
        }

        .level-features {
            list-style: none;
            text-align: left;
            margin: 0 0 28px;
            padding: 0;
        }

        .level-features li {
            padding: 8px 0;
            padding-left: 28px;
            position: relative;
            font-size: 0.9375rem;
            color: var(--text-second);
            border-bottom: 1px dashed rgba(255, 255, 255, 0.05);
        }

        .level-features li:last-child {
            border-bottom: none;
        }

        .level-features li::before {
            content: '\f00c';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            left: 0;
            top: 8px;
            color: var(--accent);
            font-size: 0.8125rem;
        }

        .level-card .btn-gold,
        .level-card .btn-glass {
            width: 100%;
            justify-content: center;
        }

        @media (max-width: 991.98px) {
            .levels-grid {
                grid-template-columns: 1fr;
                gap: 24px;
                max-width: 480px;
                margin: 0 auto;
            }

            .level-card.featured {
                transform: none;
            }

            .level-card.featured:hover {
                transform: translateY(-4px);
            }
        }

        /* ===== 权益分块 ===== */
        .section-benefits {
            padding: var(--section-space) 0;
            background: var(--bg-deep);
        }

        .benefit-block {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: clamp(32px, 6vw, 64px);
            align-items: center;
            margin-bottom: 64px;
        }

        .benefit-block:last-child {
            margin-bottom: 0;
        }

        .benefit-block.reverse {
            direction: rtl;
        }

        .benefit-block.reverse>* {
            direction: ltr;
        }

        .benefit-media {
            position: relative;
            border-radius: 20px;
            overflow: hidden;
            box-shadow: 0 20px 60px rgba(0, 0, 0, 0.4);
            border: 1px solid rgba(255, 255, 255, 0.06);
        }

        .benefit-media img {
            width: 100%;
            aspect-ratio: 4 / 3;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .benefit-block:hover .benefit-media img {
            transform: scale(1.03);
        }

        .benefit-media::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 50%, rgba(11, 16, 38, 0.4));
            pointer-events: none;
        }

        .benefit-tag {
            position: absolute;
            top: 16px;
            left: 16px;
            z-index: 2;
            padding: 6px 16px;
            border-radius: var(--radius-badge);
            background: rgba(11, 16, 38, 0.7);
            backdrop-filter: blur(10px);
            border: 1px solid rgba(0, 212, 224, 0.3);
            color: var(--accent);
            font-size: 0.7813rem;
            font-weight: 600;
        }

        .benefit-content {
            padding: 16px 0;
        }

        .benefit-content .benefit-index {
            font-size: 0.8125rem;
            font-weight: 700;
            color: var(--gold);
            letter-spacing: 0.1em;
            text-transform: uppercase;
            margin-bottom: 12px;
        }

        .benefit-content h3 {
            font-size: clamp(1.375rem, 2.4vw, 1.75rem);
            font-weight: 700;
            color: #fff;
            line-height: 1.35;
            margin-bottom: 16px;
        }

        .benefit-content p {
            color: var(--text-second);
            font-size: 1rem;
            line-height: 1.8;
            margin-bottom: 24px;
        }

        .benefit-list {
            list-style: none;
            padding: 0;
            margin: 0 0 24px;
        }

        .benefit-list li {
            padding: 6px 0;
            padding-left: 32px;
            position: relative;
            color: var(--text-main);
            font-size: 0.9375rem;
        }

        .benefit-list li::before {
            content: '\f058';
            font-family: 'Font Awesome 6 Free';
            font-weight: 400;
            position: absolute;
            left: 0;
            top: 6px;
            color: var(--accent);
            font-size: 1rem;
        }

        .benefit-link {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--gold);
            font-weight: 600;
            font-size: 0.9375rem;
            transition: gap 0.3s;
        }

        .benefit-link:hover {
            color: #ffc46a;
            gap: 12px;
        }

        @media (max-width: 991.98px) {
            .benefit-block,
            .benefit-block.reverse {
                grid-template-columns: 1fr;
                gap: 24px;
                direction: ltr;
            }

            .benefit-block.reverse>* {
                direction: ltr;
            }
        }

        /* ===== 开通流程 ===== */
        .section-process {
            padding: var(--section-space) 0;
            background: var(--bg-alt);
            position: relative;
        }

        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            margin-top: 48px;
        }

        .process-step {
            text-align: center;
            padding: 32px 20px;
            border-radius: var(--radius-card);
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.06);
            position: relative;
            transition: all 0.4s;
        }

        .process-step:hover {
            background: rgba(255, 255, 255, 0.05);
            border-color: rgba(255, 255, 255, 0.12);
            transform: translateY(-4px);
        }

        .process-step .step-num {
            font-size: 2.5rem;
            font-weight: 800;
            background: linear-gradient(135deg, var(--accent), var(--primary));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            line-height: 1;
            margin-bottom: 16px;
        }

        .process-step .step-icon {
            width: 56px;
            height: 56px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            margin: 0 auto 16px;
            font-size: 1.25rem;
            color: var(--gold);
            background: rgba(245, 166, 35, 0.08);
            border: 1px solid rgba(245, 166, 35, 0.15);
        }

        .process-step h3 {
            font-size: 1.0625rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 8px;
        }

        .process-step p {
            font-size: 0.875rem;
            color: var(--text-second);
            line-height: 1.7;
            margin: 0;
        }

        @media (max-width: 991.98px) {
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
            }
        }

        @media (max-width: 575.98px) {
            .process-grid {
                grid-template-columns: 1fr;
            }
        }

        /* ===== FAQ ===== */
        .section-faq {
            padding: var(--section-space) 0;
            background: var(--bg-deep);
        }

        .faq-wrap {
            max-width: 860px;
            margin: 0 auto;
        }

        .faq-item {
            border-radius: 12px;
            background: rgba(255, 255, 255, 0.03);
            border: 1px solid rgba(255, 255, 255, 0.08);
            margin-bottom: 12px;
            overflow: hidden;
            transition: background 0.3s, border-color 0.3s;
        }

        .faq-item:has(.accordion-button:not(.collapsed)) {
            background: rgba(45, 107, 255, 0.08);
            border-left: 3px solid var(--gold);
        }

        .faq-item .accordion-button {
            background: transparent;
            color: var(--text-main);
            font-size: 1rem;
            font-weight: 600;
            padding: 20px 24px;
            border: none;
            box-shadow: none;
            border-radius: 12px;
        }

        .faq-item .accordion-button:hover {
            background: rgba(255, 255, 255, 0.03);
        }

        .faq-item .accordion-button:focus,
        .faq-item .accordion-button:focus-visible {
            box-shadow: 0 0 0 3px rgba(45, 107, 255, 0.25);
            border-radius: 12px;
        }

        .faq-item .accordion-button::after {
            background-image: none;
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            content: '\f078';
            color: var(--text-second);
            font-size: 0.875rem;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 24px;
            height: 24px;
            transition: transform 0.3s, color 0.3s;
        }

        .faq-item .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
            color: var(--accent);
        }

        .faq-item .accordion-button:not(.collapsed) {
            color: var(--accent);
        }

        .faq-item .accordion-body {
            padding: 0 24px 20px;
            color: var(--text-second);
            font-size: 0.9375rem;
            line-height: 1.8;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            padding-top: 16px;
        }

        /* ===== CTA横幅 ===== */
        .section-cta {
            padding: clamp(4rem, 8vw, 6rem) 0;
            background: radial-gradient(ellipse at 50% 120%, rgba(245, 166, 35, 0.12), transparent 60%),
                radial-gradient(ellipse at 20% 10%, rgba(45, 107, 255, 0.15), transparent 50%),
                linear-gradient(180deg, var(--bg-alt), var(--bg-deep));
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            text-align: center;
        }

        .section-cta h2 {
            font-size: clamp(1.625rem, 3vw, 2.375rem);
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

        .section-cta p {
            max-width: 640px;
            margin: 0 auto 32px;
            color: var(--text-second);
            font-size: 1rem;
            line-height: 1.7;
        }

        .section-cta .btn-gold {
            padding: 16px 48px;
            font-size: 1.0625rem;
            border-radius: 14px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #080C1E;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 56px 0 24px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1fr;
            gap: 40px;
            margin-bottom: 40px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.125rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-desc {
            color: var(--text-weak);
            font-size: 0.875rem;
            line-height: 1.8;
            max-width: 320px;
            margin: 0;
        }

        .footer-col h4 {
            font-size: 0.9375rem;
            font-weight: 700;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-col ul li {
            margin-bottom: 10px;
        }

        .footer-col ul a {
            color: var(--text-weak);
            font-size: 0.875rem;
            transition: color 0.3s, padding-left 0.3s;
        }

        .footer-col ul a:hover {
            color: var(--accent);
            padding-left: 4px;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            color: var(--text-weak);
            font-size: 0.8125rem;
        }

        @media (max-width: 991.98px) {
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
        }

        @media (max-width: 575.98px) {
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
        }

        /* ===== 弹窗 ===== */
        .modal-custom {
            display: none;
        }

        .modal-content {
            background: rgba(13, 20, 48, 0.92);
            backdrop-filter: blur(24px);
            -webkit-backdrop-filter: blur(24px);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 20px;
            box-shadow: 0 24px 80px rgba(0, 0, 0, 0.5);
            color: var(--text-main);
        }

        .modal-header {
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            padding: 20px 28px;
        }

        .modal-title {
            font-weight: 700;
            color: #fff;
            font-size: 1.25rem;
        }

        .modal-header .btn-close {
            filter: invert(0.7);
        }

        .modal-body {
            padding: 28px;
        }

        .modal-footer {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 16px 28px;
        }

        .form-control-custom {
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 10px;
            color: var(--text-main);
            padding: 12px 16px;
            font-size: 0.9375rem;
            width: 100%;
            margin-bottom: 16px;
            transition: box-shadow 0.3s, border-color 0.3s;
        }

        .form-control-custom::placeholder {
            color: var(--text-weak);
        }

        .form-control-custom:focus {
            outline: none;
            border-color: rgba(45, 107, 255, 0.5);
            box-shadow: 0 0 0 3px rgba(45, 107, 255, 0.25);
            background: rgba(255, 255, 255, 0.06);
        }

        .modal-custom .btn-gold,
        .modal-custom .btn-glass {
            width: 100%;
            justify-content: center;
            padding: 12px 20px;
            margin-top: 8px;
        }