/* roulang page: index */
/* ======== 设计变量 ======== */
        :root {
            --bg-dark: #0B1220;
            --bg-section: #0D1526;
            --bg-section-alt: #13233D;
            --primary: #1B6DF2;
            --primary-light: #3D8BFF;
            --accent: #00E5FF;
            --gold: #F0B90B;
            --gold-dark: #D4AF37;
            --text-main: #E6EDF7;
            --text-secondary: #8AA0BC;
            --text-muted: #5A6E8C;
            --success: #00D68F;
            --warning: #FFB020;
            --danger: #FF5C7A;
            --border: rgba(255, 255, 255, 0.08);
            --border-light: rgba(255, 255, 255, 0.12);
            --radius-card: 16px;
            --radius-btn: 12px;
            --radius-pill: 999px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
            --shadow-hover: 0 8px 40px rgba(0, 40, 120, 0.35);
            --shadow-glow: 0 0 20px rgba(0, 229, 255, 0.4);
            --shadow-gold: 0 0 24px rgba(240, 185, 11, 0.35);
            --font-family: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", system-ui, sans-serif;
        }

        /* ======== 基础 Reset ======== */
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-family);
            background: linear-gradient(180deg, #0B1220 0%, #0F1D33 100%);
            color: var(--text-main);
            line-height: 1.7;
            font-size: 15px;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.2s ease;
        }

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

        button,
        input {
            font-family: inherit;
            border: none;
            outline: none;
        }

        ul,
        ol {
            list-style: none;
        }

        ::selection {
            background: rgba(0, 229, 255, 0.25);
            color: #fff;
        }

        ::-webkit-scrollbar {
            width: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #0B1220;
        }
        ::-webkit-scrollbar-thumb {
            background: #1e3a5f;
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--accent);
        }

        .container {
            max-width: 1320px;
        }

        section {
            position: relative;
        }

        .section-padding {
            padding: 80px 0;
        }

        @media (max-width: 768px) {
            .section-padding {
                padding: 48px 0;
            }
        }

        /* ======== 通用按钮 ======== */
        .btn {
            border-radius: var(--radius-btn);
            font-weight: 600;
            padding: 10px 26px;
            transition: all 0.3s ease;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-primary-glow {
            background: linear-gradient(135deg, #1B6DF2, #00E5FF);
            color: #fff;
            border: none;
            box-shadow: 0 0 18px rgba(0, 229, 255, 0.3);
            font-weight: 600;
        }

        .btn-primary-glow:hover {
            background: linear-gradient(135deg, #2a7df6, #1df0ff);
            color: #fff;
            box-shadow: 0 0 30px rgba(0, 229, 255, 0.55);
            transform: translateY(-2px);
            color: #fff;
        }

        .btn-outline-glow {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: var(--text-main);
            backdrop-filter: blur(8px);
        }

        .btn-outline-glow:hover {
            border-color: var(--accent);
            color: var(--accent);
            box-shadow: 0 0 16px rgba(0, 229, 255, 0.2);
            transform: translateY(-2px);
        }

        .btn-gold {
            background: linear-gradient(135deg, #F0B90B, #D4AF37);
            color: #0B1220;
            font-weight: 700;
            border: none;
            box-shadow: 0 0 20px rgba(240, 185, 11, 0.35);
        }

        .btn-gold:hover {
            box-shadow: 0 0 32px rgba(240, 185, 11, 0.5);
            transform: translateY(-2px);
            color: #0B1220;
        }

        .btn-lg {
            padding: 14px 36px;
            font-size: 16px;
            border-radius: 14px;
        }

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

        /* ======== 导航 ======== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(11, 18, 32, 0.75);
            backdrop-filter: blur(10px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
            transition: background 0.3s ease, box-shadow 0.3s ease;
        }

        .site-header.scrolled {
            background: rgba(11, 18, 32, 0.88);
            backdrop-filter: blur(16px);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
            border-bottom-color: rgba(255, 255, 255, 0.08);
        }

        .top-bar {
            height: 52px;
            display: flex;
            align-items: center;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            transition: all 0.3s ease;
        }

        .site-header.scrolled .top-bar {
            height: 0;
            overflow: hidden;
            border-bottom: none;
        }

        .top-bar .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--text-main);
            white-space: nowrap;
        }

        .brand-logo .logo-icon {
            width: 36px;
            height: 36px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: 10px;
            font-size: 16px;
            color: #fff;
            box-shadow: 0 0 12px rgba(0, 229, 255, 0.3);
        }

        .brand-logo .logo-text {
            letter-spacing: 0.5px;
        }

        .top-hot {
            display: flex;
            gap: 8px;
            align-items: center;
            flex-shrink: 0;
        }

        .hot-tag {
            font-size: 11px;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            color: var(--text-secondary);
            cursor: pointer;
            transition: all 0.2s;
        }

        .hot-tag:hover {
            color: var(--gold);
            border-color: rgba(240, 185, 11, 0.4);
            background: rgba(240, 185, 11, 0.08);
        }

        .search-box {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-pill);
            border: 1px solid rgba(255, 255, 255, 0.08);
            padding: 0 16px;
            width: 190px;
            height: 32px;
            transition: all 0.3s;
        }

        .search-box input {
            background: transparent;
            border: none;
            color: var(--text-main);
            font-size: 13px;
            width: 100%;
            outline: none;
        }

        .search-box input::placeholder {
            color: var(--text-muted);
        }

        .search-box i {
            color: var(--text-muted);
            font-size: 13px;
            margin-left: 8px;
            flex-shrink: 0;
        }

        .search-box:focus-within {
            border-color: var(--accent);
            box-shadow: 0 0 12px rgba(0, 229, 255, 0.2);
        }

        .main-nav {
            height: 48px;
            display: flex;
            align-items: center;
        }

        .main-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
        }

        .nav-list {
            display: flex;
            align-items: center;
            gap: 4px;
        }

        .nav-list li a {
            display: block;
            padding: 8px 18px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 8px;
            transition: all 0.2s;
            position: relative;
        }

        .nav-list li a:hover {
            color: var(--text-main);
            background: rgba(255, 255, 255, 0.04);
        }

        .nav-list li a.active {
            color: var(--accent);
            font-weight: 600;
        }

        .nav-list li a.active::after {
            content: "";
            position: absolute;
            bottom: 2px;
            left: 18px;
            right: 18px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
            box-shadow: 0 0 8px rgba(0, 229, 255, 0.6);
        }

        .btn-membership {
            background: linear-gradient(135deg, var(--primary), var(--accent));
            color: #fff;
            font-size: 13px;
            padding: 6px 18px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            transition: all 0.3s;
            box-shadow: 0 0 14px rgba(0, 229, 255, 0.25);
            white-space: nowrap;
        }

        .btn-membership:hover {
            box-shadow: 0 0 24px rgba(0, 229, 255, 0.4);
            transform: translateY(-1px);
            color: #fff;
        }

        .navbar-toggler-custom {
            display: none;
            background: none;
            border: 1px solid rgba(255, 255, 255, 0.2);
            width: 38px;
            height: 38px;
            border-radius: 10px;
            color: var(--text-main);
            font-size: 16px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all 0.2s;
        }

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

        .mobile-nav {
            display: none;
            background: rgba(11, 18, 32, 0.97);
            border-bottom: 1px solid var(--border);
            padding: 16px 0;
        }

        .mobile-nav.open {
            display: block;
        }

        .mobile-nav .mobile-search {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.06);
            border-radius: var(--radius-pill);
            border: 1px solid rgba(255, 255, 255, 0.08);
            padding: 0 16px;
            height: 36px;
            margin-bottom: 12px;
        }

        .mobile-nav .mobile-search input {
            background: transparent;
            border: none;
            color: var(--text-main);
            font-size: 14px;
            width: 100%;
            outline: none;
        }

        .mobile-nav .mobile-search i {
            color: var(--text-muted);
            margin-left: 8px;
        }

        .mobile-nav ul {
            display: flex;
            flex-direction: column;
            gap: 2px;
        }

        .mobile-nav ul li a {
            display: block;
            padding: 10px 16px;
            color: var(--text-secondary);
            font-size: 15px;
            border-radius: 10px;
        }

        .mobile-nav ul li a.active {
            color: var(--accent);
            background: rgba(0, 229, 255, 0.06);
        }

        .mobile-nav .hot-tags {
            display: flex;
            gap: 8px;
            margin-top: 12px;
            flex-wrap: wrap;
        }

        /* ======== Hero ======== */
        .hero {
            position: relative;
            min-height: 540px;
            display: flex;
            align-items: center;
            padding: 60px 0;
            background:
                linear-gradient(140deg, rgba(10, 18, 35, 0.92), rgba(12, 28, 55, 0.78)),
                url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            overflow: hidden;
        }

        .hero::before {
            content: "";
            position: absolute;
            top: -100px;
            right: -100px;
            width: 400px;
            height: 400px;
            background: radial-gradient(circle, rgba(27, 109, 242, 0.25), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

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

        .hero h1 {
            font-size: 44px;
            font-weight: 800;
            line-height: 1.25;
            margin-bottom: 20px;
            color: #fff;
        }

        .hero .hero-subtitle {
            font-size: 17px;
            color: var(--text-secondary);
            max-width: 480px;
            margin-bottom: 16px;
            line-height: 1.6;
        }

        .hero .hero-meta {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 28px;
            display: flex;
            gap: 16px;
        }

        .hero-btns {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .hero-image-wrap {
            position: relative;
            z-index: 2;
        }

        .hero-image-wrap .glass-frame {
            background: rgba(18, 30, 50, 0.6);
            backdrop-filter: blur(16px);
            border: 1px solid var(--border-light);
            border-radius: 20px;
            padding: 12px;
            box-shadow: var(--shadow-card);
        }

        .hero-image-wrap img {
            border-radius: 14px;
            width: 100%;
            height: auto;
            max-height: 340px;
            object-fit: cover;
        }

        .hero-badges {
            display: flex;
            gap: 12px;
            margin-top: 36px;
            flex-wrap: wrap;
        }

        .hero-badge {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            padding: 8px 16px;
            border-radius: var(--radius-pill);
            background: rgba(18, 30, 50, 0.55);
            backdrop-filter: blur(8px);
            border: 1px solid var(--border);
            color: var(--text-secondary);
        }

        .hero-badge i {
            color: var(--accent);
            font-size: 14px;
        }

        /* ======== 页面通用标题 ======== */
        .section-title {
            font-size: 30px;
            font-weight: 700;
            color: var(--text-main);
            margin-bottom: 8px;
        }

        .section-subtitle {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 40px;
        }

        .section-title span {
            background: linear-gradient(135deg, var(--accent), var(--primary-light));
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
        }

        /* ======== 权益对比表 ======== */
        .benefits-section {
            background: var(--bg-section);
        }

        .benefits-table-wrap {
            overflow-x: auto;
            border-radius: var(--radius-card);
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
            background: rgba(18, 30, 50, 0.4);
        }

        .benefits-table {
            width: 100%;
            border-collapse: separate;
            border-spacing: 0;
            margin: 0;
            min-width: 720px;
        }

        .benefits-table thead th {
            background: rgba(19, 35, 61, 0.8);
            padding: 18px 24px;
            font-size: 15px;
            font-weight: 700;
            color: var(--text-main);
            border-bottom: 1px solid var(--border);
            text-align: center;
        }

        .benefits-table thead th:first-child {
            text-align: left;
            border-radius: var(--radius-card) 0 0 0;
        }

        .benefits-table thead th:last-child {
            border-radius: 0 var(--radius-card) 0 0;
        }

        .benefits-table thead th.diamond-col {
            background: rgba(212, 175, 55, 0.12);
            border-left: 1px solid rgba(212, 175, 55, 0.3);
            border-right: 1px solid rgba(212, 175, 55, 0.3);
            border-top: 1px solid rgba(212, 175, 55, 0.3);
            position: relative;
        }

        .benefits-table thead th.diamond-col::after {
            content: "最高等级";
            position: absolute;
            top: 8px;
            right: 12px;
            background: linear-gradient(135deg, var(--gold), var(--gold-dark));
            color: #0B1220;
            font-size: 10px;
            font-weight: 700;
            padding: 2px 10px;
            border-radius: var(--radius-pill);
        }

        .benefits-table tbody td {
            padding: 16px 24px;
            font-size: 14px;
            text-align: center;
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            color: var(--text-secondary);
        }

        .benefits-table tbody td:first-child {
            text-align: left;
            font-weight: 500;
            color: var(--text-main);
        }

        .benefits-table tbody td.diamond-col {
            background: rgba(212, 175, 55, 0.04);
            border-left: 1px solid rgba(212, 175, 55, 0.18);
            border-right: 1px solid rgba(212, 175, 55, 0.18);
        }

        .benefits-table tbody tr:hover td {
            background: rgba(0, 229, 255, 0.03);
        }

        .benefits-table .icon-check {
            color: var(--success);
            font-size: 15px;
        }

        .benefits-table .icon-times {
            color: var(--danger);
            font-size: 15px;
        }

        .benefits-table .text-mid {
            color: var(--text-secondary);
            font-size: 13px;
        }

        .benefits-table tbody tr:last-child td {
            border-bottom: none;
            padding: 20px 24px;
        }

        .benefits-table tbody tr:last-child td .btn {
            font-size: 13px;
            padding: 8px 20px;
        }

        .benefits-table tbody tr:last-child td.diamond-col {
            border-bottom: 1px solid rgba(212, 175, 55, 0.3);
            border-radius: 0 0 var(--radius-card) 0;
            background: rgba(212, 175, 55, 0.06);
            box-shadow: inset 0 1px 0 rgba(212, 175, 55, 0.15);
        }

        .benefits-table tbody tr:last-child td:first-child {
            border-radius: 0 0 0 var(--radius-card);
        }

        /* 响应式表格转卡 */
        .benefits-cards-mobile {
            display: none;
        }

        .benefit-card-item {
            background: rgba(18, 30, 50, 0.6);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 24px;
            height: 100%;
            transition: all 0.3s;
        }

        .benefit-card-item.diamond {
            border-color: rgba(212, 175, 55, 0.4);
            box-shadow: 0 0 20px rgba(240, 185, 11, 0.08);
        }

        .benefit-card-item .level-name {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 14px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .benefit-card-item.diamond .level-name {
            color: var(--gold);
        }

        .benefit-card-item ul li {
            padding: 6px 0;
            font-size: 14px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .benefit-card-item ul li i.fa-check {
            color: var(--success);
        }

        .benefit-card-item ul li i.fa-times {
            color: var(--danger);
        }

        .benefit-card-item .btn {
            margin-top: 18px;
            font-size: 13px;
            width: 100%;
            justify-content: center;
        }

        /* ======== 等级亮点 ======== */
        .tier-section {
            background: linear-gradient(180deg, var(--bg-dark) 0%, var(--bg-section-alt) 100%);
        }

        .tier-card {
            border-radius: var(--radius-card);
            padding: 32px 28px;
            height: 100%;
            position: relative;
            transition: transform 0.3s ease, border-color 0.3s ease;
            background: linear-gradient(135deg, #0D1526, #10233C);
            border: 1px solid var(--border);
            overflow: hidden;
        }

        .tier-card:hover {
            transform: translateY(-6px);
            border-color: rgba(0, 229, 255, 0.4);
            box-shadow: var(--shadow-hover);
        }

        .tier-card.diamond-card {
            background: linear-gradient(135deg, #0E1D2E, #172A42);
            border: 1px solid rgba(212, 175, 55, 0.35);
            box-shadow: 0 0 24px rgba(240, 185, 11, 0.06);
            transform: scale(1.02);
        }

        .tier-card.diamond-card:hover {
            transform: scale(1.02) translateY(-6px);
            border-color: rgba(212, 175, 55, 0.6);
            box-shadow: 0 0 30px rgba(240, 185, 11, 0.12);
        }

        .tier-card.diamond-card::before {
            content: "最受欢迎";
            position: absolute;
            top: 14px;
            right: -30px;
            background: linear-gradient(135deg, var(--gold), var(--gold-dark));
            color: #0B1220;
            font-size: 11px;
            font-weight: 700;
            padding: 4px 40px;
            transform: rotate(45deg);
            box-shadow: 0 4px 10px rgba(240, 185, 11, 0.3);
        }

        .tier-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            margin-bottom: 18px;
            background: rgba(27, 109, 242, 0.15);
            color: var(--primary-light);
        }

        .tier-card.diamond-card .tier-icon {
            background: rgba(240, 185, 11, 0.15);
            color: var(--gold);
        }

        .tier-card.standard .tier-icon {
            background: rgba(255, 255, 255, 0.08);
            color: var(--text-secondary);
        }

        .tier-name {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .tier-desc {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 18px;
        }

        .tier-points {
            list-style: none;
            margin-bottom: 20px;
        }

        .tier-points li {
            padding: 5px 0;
            font-size: 14px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .tier-points li i {
            color: var(--accent);
            font-size: 12px;
        }

        .tier-progress {
            height: 6px;
            background: rgba(255, 255, 255, 0.06);
            border-radius: 4px;
            overflow: hidden;
            margin-top: 12px;
        }

        .tier-progress .fill {
            height: 100%;
            border-radius: 4px;
        }

        .tier-progress .fill-silver {
            background: linear-gradient(90deg, #8AA0BC, #B0C4D8);
        }

        .tier-progress .fill-gold {
            background: linear-gradient(90deg, var(--primary), var(--accent));
        }

        .tier-progress .fill-diamond {
            background: linear-gradient(90deg, var(--gold), #FFE066);
        }

        /* ======== 专属内容预览 ======== */
        .preview-section {
            background: var(--bg-section);
        }

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

        .preview-item {
            display: flex;
            gap: 16px;
            padding: 18px;
            border-radius: var(--radius-card);
            background: rgba(255, 255, 255, 0.02);
            border: 1px solid transparent;
            transition: all 0.3s;
        }

        .preview-item:hover {
            background: rgba(18, 30, 50, 0.5);
            border-color: var(--border-light);
        }

        .preview-thumb {
            width: 90px;
            height: 65px;
            border-radius: 10px;
            overflow: hidden;
            flex-shrink: 0;
            background: linear-gradient(135deg, #0D1526, #1a3a5c);
        }

        .preview-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
        }

        .preview-info {
            flex: 1;
            min-width: 0;
        }

        .preview-info h4 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .preview-info h4 .badge-exclusive {
            background: linear-gradient(135deg, var(--gold), var(--gold-dark));
            color: #0B1220;
            font-size: 10px;
            font-weight: 700;
            padding: 2px 8px;
            border-radius: var(--radius-pill);
            flex-shrink: 0;
        }

        .preview-info p {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .preview-form-card {
            background: rgba(18, 30, 50, 0.6);
            backdrop-filter: blur(16px);
            border: 1px solid var(--border-light);
            border-radius: var(--radius-card);
            padding: 32px;
            height: 100%;
            display: flex;
            flex-direction: column;
            justify-content: center;
            box-shadow: var(--shadow-card);
        }

        .preview-form-card h4 {
            font-size: 18px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .preview-form-card>p {
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 20px;
        }

        .preview-form-card .form-control {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 12px;
            color: var(--text-main);
            padding: 12px 16px;
            font-size: 14px;
            transition: all 0.3s;
        }

        .preview-form-card .form-control:focus {
            background: rgba(255, 255, 255, 0.08);
            border-color: var(--accent);
            box-shadow: 0 0 12px rgba(0, 229, 255, 0.2);
            color: var(--text-main);
        }

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

        .preview-form-card .form-tip {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 12px;
            text-align: center;
        }

        /* ======== 最新资讯 CMS ======== */
        .news-section {
            background: var(--bg-dark);
        }

        .news-card {
            background: rgba(18, 30, 50, 0.5);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            overflow: hidden;
            transition: all 0.3s;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .news-card:hover {
            transform: translateY(-6px);
            border-color: rgba(0, 229, 255, 0.35);
            box-shadow: var(--shadow-hover);
        }

        .news-card-cover {
            position: relative;
            aspect-ratio: 16/9;
            overflow: hidden;
            background: linear-gradient(135deg, #0D1526, #1a3a5c);
        }

        .news-card-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }

        .news-card:hover .news-card-cover img {
            transform: scale(1.03);
        }

        .news-card-body {
            padding: 20px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .news-card-tag {
            align-self: flex-start;
            font-size: 11px;
            padding: 3px 12px;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(0, 229, 255, 0.3);
            color: var(--accent);
            margin-bottom: 10px;
        }

        .news-card-body h3 {
            font-size: 17px;
            font-weight: 600;
            line-height: 1.4;
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card-body p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.5;
            margin-bottom: 14px;
            flex: 1;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            font-size: 12px;
            color: var(--text-muted);
            padding-top: 12px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }

        .news-card-meta a {
            color: var(--accent);
        }

        .news-card-meta a:hover {
            color: var(--primary-light);
        }

        .news-empty {
            border: 1px dashed var(--border-light);
            border-radius: var(--radius-card);
            background: rgba(18, 30, 50, 0.3);
            padding: 60px 30px;
            text-align: center;
        }

        .news-empty i {
            font-size: 40px;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        .news-empty p {
            font-size: 14px;
            color: var(--text-secondary);
        }

        .btn-view-more {
            margin-top: 40px;
            text-align: center;
        }

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

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

        .accordion-item {
            background: rgba(18, 30, 50, 0.5);
            border: 1px solid var(--border) !important;
            border-radius: var(--radius-card) !important;
            margin-bottom: 14px;
            overflow: hidden;
            transition: border-color 0.3s;
        }

        .accordion-item:has(.accordion-button:not(.collapsed)) {
            border-color: rgba(0, 229, 255, 0.4) !important;
        }

        .accordion-button {
            background: transparent;
            color: var(--text-main);
            font-size: 15px;
            font-weight: 600;
            padding: 20px 24px;
            box-shadow: none;
            border-radius: var(--radius-card) !important;
        }

        .accordion-button:not(.collapsed) {
            background: rgba(0, 229, 255, 0.04);
            color: var(--accent);
        }

        .accordion-button:focus {
            box-shadow: 0 0 0 2px rgba(0, 229, 255, 0.25);
        }

        .accordion-button::after {
            transition: transform 0.3s;
            filter: invert(0.7) brightness(0.9) sepia(0.3) hue-rotate(140deg);
        }

        .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
            filter: invert(0.7) brightness(1.2) sepia(1) hue-rotate(365deg) saturate(3);
        }

        .accordion-body {
            padding: 0 24px 20px;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.7;
        }

        /* ======== CTA ======== */
        .cta-section {
            background: radial-gradient(ellipse at 50% 100%, rgba(27, 109, 242, 0.2), rgba(10, 18, 35, 0.6)),
                linear-gradient(180deg, var(--bg-dark), var(--bg-section-alt));
            padding: 80px 0;
            text-align: center;
        }

        .cta-section h2 {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 12px;
        }

        .cta-section .cta-sub {
            font-size: 16px;
            color: var(--text-secondary);
            margin-bottom: 30px;
        }

        .cta-steps {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 20px;
            margin: 36px 0 30px;
            flex-wrap: wrap;
        }

        .cta-step {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .cta-step .step-num {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(27, 109, 242, 0.2);
            border: 1px solid rgba(27, 109, 242, 0.4);
            color: var(--primary-light);
            font-size: 12px;
            font-weight: 700;
            display: flex;
            align-items: center;
            justify-content: center;
        }

        .cta-step .step-text {
            font-size: 14px;
            color: var(--text-secondary);
        }

        .cta-step-line {
            width: 40px;
            height: 1px;
            background: rgba(255, 255, 255, 0.2);
        }

        .cta-tip {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 16px;
        }

        /* ======== 页脚 ======== */
        .site-footer {
            background: #0A1018;
            border-top: 1px solid var(--border);
            padding: 60px 0 0;
        }

        .footer-brand {
            font-size: 18px;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 14px;
            color: var(--text-main);
        }

        .footer-brand .logo-icon {
            width: 30px;
            height: 30px;
            background: linear-gradient(135deg, var(--primary), var(--accent));
            border-radius: 8px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            color: #fff;
        }

        .footer-desc {
            font-size: 13px;
            color: var(--text-muted);
            line-height: 1.6;
            max-width: 260px;
        }

        .footer-col h5 {
            font-size: 15px;
            font-weight: 600;
            margin-bottom: 16px;
            color: var(--text-main);
            position: relative;
            padding-bottom: 10px;
        }

        .footer-col h5::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 24px;
            height: 2px;
            background: linear-gradient(90deg, var(--primary), var(--accent));
            border-radius: 2px;
        }

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

        .footer-col ul li a {
            font-size: 13px;
            color: var(--text-secondary);
            transition: all 0.2s;
        }

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

        .footer-contact li {
            font-size: 13px;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 8px;
            margin-bottom: 10px;
        }

        .footer-contact i {
            color: var(--accent);
            font-size: 14px;
            width: 16px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            margin-top: 40px;
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: var(--text-muted);
        }

        .footer-bottom a {
            color: var(--text-secondary);
        }

        /* ======== 动画 ======== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(8px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .hero .hero-content,
        .hero .hero-image-wrap {
            animation: fadeInUp 0.5s ease-out both;
        }

        .hero .hero-image-wrap {
            animation-delay: 0.15s;
        }

        /* ======== 响应式 ======== */
        @media (max-width: 991px) {
            .top-hot {
                display: none;
            }
            .search-box {
                width: 140px;
            }
            .hero h1 {
                font-size: 36px;
            }
            .hero-image-wrap {
                margin-top: 30px;
            }
            .section-title {
                font-size: 26px;
            }
            .benefits-table-wrap {
                display: none;
            }
            .benefits-cards-mobile {
                display: block;
            }
        }

        @media (max-width: 768px) {
            .top-bar .container {
                flex-wrap: wrap;
                justify-content: space-between;
            }
            .search-box {
                display: none;
            }
            .main-nav .nav-list,
            .main-nav .btn-membership {
                display: none;
            }
            .navbar-toggler-custom {
                display: inline-flex;
            }
            .section-padding {
                padding: 48px 0;
            }
            .hero {
                padding: 40px 0;
                min-height: auto;
            }
            .hero h1 {
                font-size: 30px;
            }
            .hero .hero-subtitle {
                font-size: 15px;
            }
            .hero-badges {
                margin-top: 20px;
            }
            .hero-badge {
                font-size: 11px;
                padding: 6px 12px;
            }
            .cta-section h2 {
                font-size: 26px;
            }
            .footer-col {
                margin-bottom: 30px;
            }
            .preview-form-card {
                margin-top: 16px;
            }
        }

        @media (max-width: 576px) {
            .hero h1 {
                font-size: 26px;
            }
            .hero .hero-btns .btn {
                font-size: 13px;
                padding: 8px 18px;
            }
            .section-title {
                font-size: 22px;
            }
            .cta-steps .cta-step-line {
                display: none;
            }
            .cta-steps {
                gap: 12px;
                flex-direction: column;
            }
        }

        /* ======== 辅助类 ======== */
        .bg-section-alt {
            background: var(--bg-section-alt);
        }

        .section-divider {
            height: 1px;
            background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.08), transparent);
            margin: 0;
        }

        /* 焦点可见性 */
        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 3px;
        }

/* roulang page: category1 */
:root {
            --bg-primary: #0B1220;
            --bg-secondary: #0F1D33;
            --bg-panel: #0D1526;
            --bg-panel-light: #13233D;
            --bg-card: rgba(18, 30, 50, 0.6);
            --primary-blue: #1B6DF2;
            --primary-blue-light: #3D8BFF;
            --cyan: #00E5FF;
            --gold: #F0B90B;
            --text-primary: #E6EDF7;
            --text-secondary: #8AA0BC;
            --text-muted: #5A6E8C;
            --success: #00D68F;
            --warning: #FFB020;
            --danger: #FF5C7A;
            --border-light: rgba(255, 255, 255, 0.10);
            --border-cyan: rgba(0, 229, 255, 0.45);
            --radius-card: 16px;
            --radius-btn: 12px;
            --radius-sm: 10px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
            --shadow-hover: 0 8px 40px rgba(0, 40, 120, 0.35);
            --shadow-glow: 0 0 20px rgba(0, 229, 255, 0.5);
            --shadow-gold: 0 0 24px rgba(240, 185, 11, 0.35);
            --font-main: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", system-ui, sans-serif;
            --transition: 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-main);
            font-size: 15px;
            line-height: 1.7;
            color: var(--text-primary);
            background: linear-gradient(140deg, #0B1220 0%, #0F1D33 50%, #0D1526 100%);
            min-height: 100vh;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }

        .container {
            max-width: 1320px;
            padding-left: 20px;
            padding-right: 20px;
        }

        a {
            text-decoration: none;
            color: inherit;
            transition: color 0.25s ease;
        }

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

        button,
        input {
            font-family: inherit;
            border: none;
            outline: none;
        }

        ::-webkit-scrollbar {
            width: 8px;
            height: 8px;
        }
        ::-webkit-scrollbar-track {
            background: #0B1220;
        }
        ::-webkit-scrollbar-thumb {
            background: #1E3A5F;
            border-radius: 4px;
        }
        ::-webkit-scrollbar-thumb:hover {
            background: var(--cyan);
        }

        .text-gradient {
            background: linear-gradient(135deg, #3D8BFF, #00E5FF);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }

        .text-gold {
            color: var(--gold) !important;
        }

        .btn-glow {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            background: linear-gradient(135deg, #1B6DF2, #00E5FF);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            padding: 10px 24px;
            border-radius: var(--radius-btn);
            border: none;
            box-shadow: 0 0 20px rgba(0, 229, 255, 0.35);
            transition: all var(--transition);
            cursor: pointer;
        }
        .btn-glow:hover {
            box-shadow: 0 0 30px rgba(0, 229, 255, 0.6);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-glow:active {
            transform: translateY(0);
            box-shadow: 0 0 14px rgba(0, 229, 255, 0.4);
        }
        .btn-gold {
            background: linear-gradient(135deg, #F0B90B, #D4AF37);
            color: #0B1220;
            box-shadow: 0 0 24px rgba(240, 185, 11, 0.3);
            font-weight: 700;
        }
        .btn-gold:hover {
            color: #0B1220;
            box-shadow: 0 0 36px rgba(240, 185, 11, 0.5);
        }

        .btn-outline-glass {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 6px;
            background: rgba(255, 255, 255, 0.04);
            color: var(--text-primary);
            font-weight: 600;
            font-size: 15px;
            padding: 10px 24px;
            border-radius: var(--radius-btn);
            border: 1px solid rgba(255, 255, 255, 0.18);
            backdrop-filter: blur(10px);
            transition: all var(--transition);
            cursor: pointer;
        }
        .btn-outline-glass:hover {
            border-color: var(--cyan);
            color: var(--cyan);
            background: rgba(0, 229, 255, 0.06);
            transform: translateY(-2px);
        }
        .btn-outline-glass:active {
            transform: translateY(0);
        }

        /* ================= 导航 ================= */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(11, 18, 32, 0.85);
            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;
        }
        .site-header.scrolled {
            background: rgba(11, 18, 32, 0.95);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.4);
        }

        .top-brand-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 0 4px;
            gap: 16px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 12px;
            background: linear-gradient(135deg, #1B6DF2, #00E5FF);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #fff;
            box-shadow: 0 0 16px rgba(0, 229, 255, 0.4);
        }
        .brand-logo .brand-text {
            font-size: 20px;
            font-weight: 800;
            letter-spacing: 0.5px;
            background: linear-gradient(135deg, #E6EDF7, #A8C4E8);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
            white-space: nowrap;
        }

        .top-heatwords {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
            flex: 1;
            justify-content: center;
        }
        .heatword-link {
            font-size: 13px;
            color: var(--text-secondary);
            padding: 4px 14px;
            border-radius: 999px;
            border: 1px solid transparent;
            transition: all 0.25s ease;
        }
        .heatword-link:hover {
            color: var(--gold);
            border-color: rgba(240, 185, 11, 0.35);
            background: rgba(240, 185, 11, 0.06);
        }

        .top-search {
            position: relative;
            width: 180px;
            flex-shrink: 0;
        }
        .top-search input {
            width: 100%;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 999px;
            padding: 7px 36px 7px 16px;
            font-size: 13px;
            color: var(--text-primary);
            transition: border-color 0.3s, box-shadow 0.3s;
        }
        .top-search input::placeholder {
            color: var(--text-muted);
        }
        .top-search input:focus {
            border-color: var(--cyan);
            box-shadow: 0 0 12px rgba(0, 229, 255, 0.2);
            outline: none;
        }
        .top-search i {
            position: absolute;
            right: 14px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 12px;
            color: var(--text-muted);
            pointer-events: none;
        }

        .main-nav {
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }
        .main-nav .container {
            display: flex;
            align-items: center;
            gap: 24px;
            min-height: 48px;
        }
        .nav-list {
            list-style: none;
            display: flex;
            align-items: center;
            gap: 4px;
            margin: 0;
            padding: 0;
            flex: 1;
        }
        .nav-list li a {
            display: inline-block;
            padding: 10px 18px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            border-radius: 8px 8px 0 0;
            position: relative;
            transition: color 0.25s, background 0.25s;
        }
        .nav-list li a:hover {
            color: var(--text-primary);
            background: rgba(255, 255, 255, 0.03);
        }
        .nav-list li a.active {
            color: var(--cyan);
            font-weight: 600;
        }
        .nav-list li a.active::after {
            content: "";
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 0;
            height: 2px;
            background: var(--cyan);
            border-radius: 2px 2px 0 0;
            box-shadow: 0 0 12px rgba(0, 229, 255, 0.4);
        }

        .btn-membership {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: linear-gradient(135deg, #1B6DF2, #00E5FF);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 7px 18px;
            border-radius: 999px;
            box-shadow: 0 0 16px rgba(0, 229, 255, 0.3);
            transition: all var(--transition);
            white-space: nowrap;
            border: none;
            cursor: pointer;
        }
        .btn-membership:hover {
            color: #fff;
            box-shadow: 0 0 26px rgba(0, 229, 255, 0.55);
            transform: translateY(-1px);
        }

        .navbar-toggler-custom {
            display: none;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.15);
            border-radius: 10px;
            color: var(--text-primary);
            width: 38px;
            height: 38px;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            cursor: pointer;
            transition: all 0.25s;
        }
        .navbar-toggler-custom:hover {
            border-color: var(--cyan);
            color: var(--cyan);
        }

        .mobile-menu {
            display: none;
            background: rgba(11, 18, 32, 0.98);
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 12px 20px 16px;
            position: absolute;
            top: 100%;
            left: 0;
            right: 0;
            z-index: 1040;
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.4);
        }
        .mobile-menu .nav-list {
            flex-direction: column;
            align-items: stretch;
            gap: 0;
        }
        .mobile-menu .nav-list li a {
            display: block;
            padding: 12px 16px;
            border-radius: 10px;
            font-size: 15px;
        }
        .mobile-menu .nav-list li a.active {
            background: rgba(0, 229, 255, 0.06);
        }
        .mobile-menu .nav-list li a.active::after {
            display: none;
        }
        .mobile-menu .mobile-search {
            margin-top: 10px;
            width: 100%;
        }
        .mobile-menu .mobile-search input {
            width: 100%;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: 999px;
            padding: 8px 36px 8px 16px;
            font-size: 13px;
            color: var(--text-primary);
        }
        .mobile-menu .mobile-search input:focus {
            border-color: var(--cyan);
            box-shadow: 0 0 12px rgba(0, 229, 255, 0.2);
        }
        .mobile-menu .btn-membership {
            margin-top: 12px;
            width: 100%;
            justify-content: center;
            padding: 10px;
        }
        .mobile-menu.show {
            display: block;
        }

        /* ================= 页头 Banner ================= */
        .page-hero {
            position: relative;
            padding: 72px 0 60px;
            background: linear-gradient(140deg, rgba(10, 18, 35, 0.92) 0%, rgba(12, 28, 55, 0.78) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .page-hero .breadcrumb-custom {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 16px;
            flex-wrap: wrap;
        }
        .page-hero .breadcrumb-custom a {
            color: var(--text-secondary);
            transition: color 0.25s;
        }
        .page-hero .breadcrumb-custom a:hover {
            color: var(--cyan);
        }
        .page-hero .breadcrumb-custom i {
            font-size: 10px;
            color: var(--text-muted);
        }
        .page-hero .breadcrumb-custom .current {
            color: var(--text-secondary);
        }
        .page-hero h1 {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text-primary);
            margin-bottom: 14px;
            letter-spacing: 0.5px;
        }
        .page-hero .hero-desc {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 640px;
            line-height: 1.8;
            margin-bottom: 0;
        }
        .page-hero .hero-badges {
            margin-top: 28px;
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }
        .page-hero .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(18, 30, 50, 0.55);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: 999px;
            padding: 6px 18px;
            font-size: 13px;
            color: var(--text-secondary);
            backdrop-filter: blur(12px);
        }
        .page-hero .hero-badge i {
            color: var(--cyan);
            font-size: 12px;
        }
        .page-hero .hero-badge.gold-badge i {
            color: var(--gold);
        }

        /* ================= 分类选项卡 ================= */
        .category-tabs-section {
            padding: 40px 0 24px;
        }
        .tabs-wrapper {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .tab-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 22px;
            border-radius: 999px;
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid transparent;
            cursor: pointer;
            transition: all 0.25s ease;
        }
        .tab-item:hover {
            color: var(--text-primary);
            border-color: rgba(255, 255, 255, 0.12);
        }
        .tab-item.active {
            color: #fff;
            background: linear-gradient(135deg, #1B6DF2, #00E5FF);
            border-color: transparent;
            box-shadow: 0 0 16px rgba(0, 229, 255, 0.3);
        }
        .tab-item .count {
            font-size: 11px;
            background: rgba(255, 255, 255, 0.15);
            padding: 1px 8px;
            border-radius: 999px;
            font-weight: 400;
        }

        /* ================= 攻略卡片 ================= */
        .strategy-grid-section {
            padding: 20px 0 30px;
        }
        .strategy-card {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-card);
            overflow: hidden;
            height: 100%;
            display: flex;
            flex-direction: column;
            backdrop-filter: blur(12px);
            transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
        }
        .strategy-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(0, 229, 255, 0.35);
        }
        .strategy-card .card-thumb {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }
        .strategy-card .card-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .strategy-card:hover .card-thumb img {
            transform: scale(1.04);
        }
        .strategy-card .card-thumb .thumb-placeholder {
            width: 100%;
            height: 100%;
            background: linear-gradient(135deg, #0D1526, #13233D);
            display: flex;
            align-items: center;
            justify-content: center;
        }
        .strategy-card .card-thumb .thumb-placeholder i {
            font-size: 32px;
            color: rgba(255, 255, 255, 0.2);
        }
        .strategy-card .thumb-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            z-index: 2;
            background: rgba(11, 18, 32, 0.8);
            backdrop-filter: blur(8px);
            color: var(--cyan);
            font-size: 11px;
            font-weight: 500;
            padding: 3px 12px;
            border-radius: 999px;
            border: 1px solid rgba(0, 229, 255, 0.35);
        }
        .strategy-card .thumb-tag.gold {
            color: var(--gold);
            border-color: rgba(240, 185, 11, 0.4);
        }
        .strategy-card .card-body {
            padding: 20px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }
        .strategy-card .card-body h3 {
            font-size: 17px;
            font-weight: 700;
            line-height: 1.5;
            color: var(--text-primary);
            margin-bottom: 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            transition: color 0.25s;
        }
        .strategy-card .card-body h3 a {
            color: inherit;
        }
        .strategy-card .card-body h3 a:hover {
            color: var(--cyan);
        }
        .strategy-card .card-body p {
            font-size: 14px;
            line-height: 1.7;
            color: var(--text-secondary);
            margin-bottom: 14px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            flex: 1;
        }
        .strategy-card .card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 12px;
        }
        .strategy-card .card-meta .meta-date {
            font-size: 12px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 5px;
        }
        .strategy-card .card-meta .meta-link {
            font-size: 12px;
            font-weight: 500;
            color: var(--text-secondary);
            display: flex;
            align-items: center;
            gap: 4px;
            transition: color 0.25s;
        }
        .strategy-card .card-meta .meta-link:hover {
            color: var(--cyan);
        }

        /* ================= 分页器 ================= */
        .pagination-section {
            padding: 10px 0 50px;
        }
        .pagination-wrapper {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            flex-wrap: wrap;
        }
        .page-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            min-width: 40px;
            height: 40px;
            padding: 0 14px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: all 0.25s ease;
        }
        .page-btn:hover {
            color: var(--text-primary);
            border-color: var(--cyan);
            background: rgba(0, 229, 255, 0.06);
        }
        .page-btn.active {
            color: #fff;
            background: rgba(0, 229, 255, 0.15);
            border-color: rgba(0, 229, 255, 0.5);
            box-shadow: 0 0 14px rgba(0, 229, 255, 0.2);
            cursor: default;
        }
        .page-btn.disabled {
            opacity: 0.4;
            pointer-events: none;
        }

        /* ================= 特色卖点 ================= */
        .features-section {
            padding: 70px 0;
            background: var(--bg-panel);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .section-heading {
            text-align: center;
            margin-bottom: 48px;
        }
        .section-heading .section-subtitle {
            font-size: 14px;
            color: var(--cyan);
            font-weight: 600;
            letter-spacing: 2px;
            text-transform: uppercase;
            margin-bottom: 8px;
            display: block;
        }
        .section-heading h2 {
            font-size: 32px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .section-heading p {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 640px;
            margin: 0 auto;
            line-height: 1.7;
        }
        .feature-card {
            background: linear-gradient(145deg, rgba(18, 30, 50, 0.7), rgba(13, 21, 38, 0.9));
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-card);
            padding: 32px 28px;
            height: 100%;
            transition: transform 0.3s, border-color 0.3s, box-shadow 0.3s;
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, transparent, var(--cyan), transparent);
            opacity: 0;
            transition: opacity 0.3s;
        }
        .feature-card:hover {
            transform: translateY(-6px);
            border-color: rgba(0, 229, 255, 0.3);
            box-shadow: var(--shadow-hover);
        }
        .feature-card:hover::before {
            opacity: 1;
        }
        .feature-card .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: linear-gradient(135deg, rgba(27, 109, 242, 0.25), rgba(0, 229, 255, 0.15));
            border: 1px solid rgba(0, 229, 255, 0.2);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 22px;
            color: var(--cyan);
            margin-bottom: 20px;
        }
        .feature-card .feature-icon.gold {
            background: linear-gradient(135deg, rgba(240, 185, 11, 0.25), rgba(212, 175, 55, 0.15));
            border-color: rgba(240, 185, 11, 0.25);
            color: var(--gold);
        }
        .feature-card h3 {
            font-size: 19px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
        }
        .feature-card p {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 0;
        }

        /* ================= FAQ ================= */
        .faq-section {
            padding: 70px 0;
        }
        .faq-section .accordion-item {
            background: var(--bg-card);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-card);
            margin-bottom: 12px;
            overflow: hidden;
            backdrop-filter: blur(12px);
            transition: border-color 0.3s, box-shadow 0.3s;
        }
        .faq-section .accordion-item:last-child {
            margin-bottom: 0;
        }
        .faq-section .accordion-button {
            background: transparent;
            color: var(--text-primary);
            font-size: 16px;
            font-weight: 600;
            padding: 18px 24px;
            box-shadow: none;
            transition: color 0.3s;
        }
        .faq-section .accordion-button:not(.collapsed) {
            color: var(--cyan);
            background: rgba(0, 229, 255, 0.04);
        }
        .faq-section .accordion-button:focus {
            box-shadow: none;
            border-color: var(--cyan);
        }
        .faq-section .accordion-button::after {
            font-family: "Font Awesome 6 Free";
            content: "\f078";
            font-weight: 900;
            background: none;
            color: var(--text-secondary);
            font-size: 13px;
            transition: transform 0.3s;
        }
        .faq-section .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
            color: var(--cyan);
        }
        .faq-section .accordion-body {
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.8;
            padding: 0 24px 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding-top: 16px;
        }

        /* ================= CTA ================= */
        .cta-section {
            padding: 70px 0;
            background: radial-gradient(ellipse at center, rgba(27, 109, 242, 0.18) 0%, rgba(11, 18, 32, 0.9) 70%), var(--bg-primary);
            border-top: 1px solid rgba(255, 255, 255, 0.05);
        }
        .cta-block {
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
        }
        .cta-block h2 {
            font-size: 34px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            line-height: 1.3;
        }
        .cta-block p {
            font-size: 15px;
            color: var(--text-secondary);
            margin-bottom: 30px;
            line-height: 1.7;
        }
        .cta-steps {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            margin-top: 30px;
            flex-wrap: wrap;
        }
        .cta-steps .step {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-secondary);
        }
        .cta-steps .step-line {
            width: 40px;
            height: 1px;
            background: rgba(255, 255, 255, 0.15);
        }
        .cta-steps .step i {
            color: var(--gold);
            font-size: 14px;
        }
        .cta-note {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 16px;
        }

        /* ================= 页脚 ================= */
        .site-footer {
            background: #0B1220;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 60px 0 20px;
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .footer-brand .logo-icon {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            font-size: 16px;
        }
        .footer-brand span {
            font-size: 19px;
            font-weight: 800;
            background: linear-gradient(135deg, #E6EDF7, #A8C4E8);
            -webkit-background-clip: text;
            -webkit-text-fill-color: transparent;
            background-clip: text;
        }
        .footer-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 0;
            max-width: 360px;
        }
        .footer-col h5 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 16px;
        }
        .footer-col ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-col ul li {
            margin-bottom: 10px;
        }
        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: color 0.25s, padding-left 0.25s;
        }
        .footer-col ul li a:hover {
            color: var(--cyan);
            padding-left: 4px;
        }
        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-secondary);
            margin-bottom: 10px;
        }
        .footer-contact li i {
            color: var(--cyan);
            font-size: 13px;
            width: 16px;
        }
        .footer-bottom {
            margin-top: 40px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 8px;
        }
        .footer-bottom p {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
        }

        /* ================= 响应式 ================= */
        @media (max-width: 1200px) {
            .container {
                padding-left: 20px;
                padding-right: 20px;
            }
            .page-hero h1 {
                font-size: 38px;
            }
        }

        @media (max-width: 992px) {
            .top-search {
                display: none;
            }
            .top-heatwords {
                display: none;
            }
            .page-hero {
                padding: 56px 0 48px;
            }
            .page-hero h1 {
                font-size: 34px;
            }
            .section-heading h2 {
                font-size: 28px;
            }
            .cta-block h2 {
                font-size: 30px;
            }
        }

        @media (max-width: 768px) {
            .main-nav .nav-list,
            .main-nav .btn-membership {
                display: none !important;
            }
            .navbar-toggler-custom {
                display: flex;
                margin-left: auto;
            }
            .main-nav .container {
                justify-content: space-between;
            }
            .page-hero {
                padding: 44px 0 40px;
            }
            .page-hero h1 {
                font-size: 30px;
            }
            .page-hero .hero-desc {
                font-size: 15px;
            }
            .section-heading {
                margin-bottom: 36px;
            }
            .section-heading h2 {
                font-size: 26px;
            }
            .features-section,
            .faq-section,
            .cta-section {
                padding: 50px 0;
            }
            .footer-bottom {
                flex-direction: column;
                text-align: center;
            }
            .strategy-card .card-body {
                padding: 16px;
            }
            .strategy-card .card-body h3 {
                font-size: 16px;
            }
            .top-brand-row {
                padding-top: 8px;
            }
            .brand-logo .brand-text {
                font-size: 18px;
            }
        }

        @media (max-width: 576px) {
            .page-hero h1 {
                font-size: 26px;
            }
            .page-hero .hero-badges {
                gap: 8px;
            }
            .page-hero .hero-badge {
                padding: 5px 14px;
                font-size: 12px;
            }
            .section-heading h2 {
                font-size: 24px;
            }
            .tab-item {
                padding: 6px 16px;
                font-size: 13px;
            }
            .feature-card {
                padding: 24px 20px;
            }
            .page-btn {
                min-width: 36px;
                height: 36px;
                font-size: 13px;
            }
            .cta-steps {
                gap: 6px;
            }
            .cta-steps .step-line {
                width: 24px;
            }
            .footer-brand .brand-text {
                font-size: 17px;
            }
        }

/* roulang page: article */
:root {
    --bg-dark: #0B1220;
    --bg-panel: #0D1526;
    --bg-card: #13233D;
    --bg-deep: #0E1D2E;
    --primary: #1B6DF2;
    --primary-light: #3D8BFF;
    --cyan: #00E5FF;
    --gold: #F0B90B;
    --gold-dark: #D4AF37;
    --text-main: #E6EDF7;
    --text-secondary: #8AA0BC;
    --text-muted: #5A6E8C;
    --border-light: rgba(255, 255, 255, 0.08);
    --border-cyan: rgba(0, 229, 255, 0.35);
    --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
    --shadow-hover: 0 8px 40px rgba(0, 40, 120, 0.35);
    --glass-bg: rgba(18, 30, 50, 0.6);
    --radius-card: 16px;
    --radius-btn: 12px;
    --radius-lg: 20px;
    --font-main: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", system-ui, -apple-system, sans-serif;
    --transition-fast: 0.25s ease;
    --transition-slow: 0.4s cubic-bezier(0.22, 1, 0.36, 1);
}

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

html {
    scroll-behavior: smooth;
}

body {
    font-family: var(--font-main);
    background: linear-gradient(160deg, var(--bg-dark) 0%, var(--bg-panel) 50%, #0F1D33 100%);
    background-attachment: fixed;
    color: var(--text-main);
    line-height: 1.7;
    font-size: 15px;
    min-height: 100vh;
    -webkit-font-smoothing: antialiased;
}

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

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

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

button {
    font-family: inherit;
}

ul, ol {
    list-style: none;
    margin: 0;
    padding: 0;
}

.container {
    max-width: 1320px;
    padding-left: 24px;
    padding-right: 24px;
}

::selection {
    background: rgba(0, 229, 255, 0.25);
    color: #fff;
}

::-webkit-scrollbar {
    width: 9px;
    background: var(--bg-dark);
}

::-webkit-scrollbar-thumb {
    background: linear-gradient(180deg, var(--primary), var(--cyan));
    border-radius: 20px;
}

/* ============ 按钮 ============ */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 8px;
    padding: 12px 30px;
    border-radius: var(--radius-btn);
    font-weight: 600;
    font-size: 15px;
    line-height: 1.4;
    border: none;
    cursor: pointer;
    transition: all var(--transition-fast);
}

.btn-glow {
    background: linear-gradient(135deg, var(--primary), var(--cyan));
    color: #fff;
    box-shadow: 0 0 20px rgba(0, 229, 255, 0.35);
}

.btn-glow:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 32px rgba(0, 229, 255, 0.55);
    color: #fff;
}

.btn-gold {
    background: linear-gradient(135deg, var(--gold), var(--gold-dark));
    color: #0B1220;
    font-weight: 700;
    box-shadow: 0 0 20px rgba(240, 185, 11, 0.35);
}

.btn-gold:hover {
    transform: translateY(-2px);
    box-shadow: 0 0 34px rgba(240, 185, 11, 0.55);
    color: #0B1220;
}

.btn-outline {
    background: transparent;
    color: var(--text-main);
    border: 1px solid rgba(255, 255, 255, 0.18);
    backdrop-filter: blur(12px);
}

.btn-outline:hover {
    border-color: var(--cyan);
    color: var(--cyan);
    box-shadow: 0 0 16px rgba(0, 229, 255, 0.12);
}

.btn-sm {
    padding: 8px 20px;
    font-size: 13px;
    border-radius: 10px;
}

button:focus-visible, a:focus-visible {
    outline: 2px solid var(--cyan);
    outline-offset: 2px;
}

/* ============ 头部 / 导航 ============ */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(11, 18, 32, 0.72);
    backdrop-filter: blur(18px);
    -webkit-backdrop-filter: blur(18px);
    border-bottom: 1px solid var(--border-light);
    transition: background 0.3s ease, box-shadow 0.3s ease;
}

.site-header.scrolled {
    background: rgba(11, 18, 32, 0.92);
    box-shadow: 0 10px 40px rgba(0, 0, 0, 0.35);
}

.brand-row {
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    padding: 8px 0;
}

.brand-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}

.logo-icon {
    width: 34px;
    height: 34px;
    border-radius: 10px;
    background: linear-gradient(135deg, var(--primary), var(--cyan));
    display: inline-flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 16px;
    box-shadow: 0 0 14px rgba(0, 229, 255, 0.35);
}

.brand-text {
    font-size: 20px;
    font-weight: 800;
    background: linear-gradient(120deg, #fff 0%, var(--cyan) 100%);
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
    letter-spacing: 0.5px;
}

.brand-hot {
    display: inline-flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
}

.hot-label {
    color: var(--text-muted);
}

.brand-hot a {
    color: var(--text-secondary);
    padding: 4px 14px;
    border-radius: 999px;
    background: rgba(255, 255, 255, 0.04);
    border: 1px solid transparent;
    transition: all 0.25s ease;
    font-size: 12px;
}

.brand-hot a:hover {
    color: var(--gold);
    border-color: rgba(240, 185, 11, 0.3);
    background: rgba(240, 185, 11, 0.06);
}

.top-search {
    margin-left: auto;
}

.search-form {
    display: inline-flex;
    align-items: center;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 999px;
    padding: 3px 4px 3px 16px;
    transition: border-color 0.25s, box-shadow 0.25s;
}

.search-form:focus-within {
    border-color: var(--cyan);
    box-shadow: 0 0 14px rgba(0, 229, 255, 0.15);
}

.search-form input {
    background: transparent;
    border: none;
    outline: none;
    color: var(--text-main);
    font-size: 13px;
    width: 150px;
    padding: 4px 0;
}

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

.search-form button {
    background: linear-gradient(135deg, var(--primary), var(--cyan));
    border: none;
    border-radius: 50%;
    width: 30px;
    height: 30px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 12px;
    cursor: pointer;
    transition: transform 0.2s, box-shadow 0.2s;
    flex-shrink: 0;
}

.search-form button:hover {
    transform: scale(1.06);
    box-shadow: 0 0 12px rgba(0, 229, 255, 0.4);
}

.main-nav {
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
}

.main-nav .container {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    position: relative;
}

.nav-list {
    display: flex;
    align-items: center;
    gap: 4px;
    flex-wrap: nowrap;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}

.nav-list::-webkit-scrollbar {
    display: none;
}

.nav-list li {
    flex-shrink: 0;
}

.nav-list a {
    display: block;
    padding: 12px 18px;
    font-size: 14px;
    font-weight: 500;
    color: var(--text-secondary);
    border-bottom: 2px solid transparent;
    transition: color 0.25s, border-color 0.25s;
    white-space: nowrap;
}

.nav-list a:hover {
    color: var(--cyan);
}

.nav-list a.active {
    color: var(--cyan);
    border-bottom-color: var(--cyan);
    text-shadow: 0 0 12px rgba(0, 229, 255, 0.25);
}

.btn-membership {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: linear-gradient(135deg, var(--gold), var(--gold-dark));
    color: #0B1220;
    font-size: 13px;
    font-weight: 700;
    padding: 8px 18px;
    border-radius: 999px;
    transition: all 0.3s ease;
    box-shadow: 0 0 14px rgba(240, 185, 11, 0.25);
    white-space: nowrap;
    flex-shrink: 0;
}

.btn-membership:hover {
    color: #0B1220;
    box-shadow: 0 0 26px rgba(240, 185, 11, 0.45);
    transform: translateY(-2px);
}

.navbar-toggler-custom {
    display: none;
    background: none;
    border: none;
    color: var(--text-main);
    font-size: 22px;
    padding: 6px 10px;
    border-radius: 8px;
    cursor: pointer;
}

.navbar-toggler-custom:hover {
    color: var(--cyan);
    background: rgba(255, 255, 255, 0.06);
}

.mobile-menu {
    display: none;
    background: rgba(13, 21, 38, 0.98);
    border-top: 1px solid var(--border-light);
    padding: 16px 24px 24px;
    position: absolute;
    left: 0;
    right: 0;
    top: 100%;
    z-index: 999;
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
}

.mobile-menu.open {
    display: block;
}

.mobile-menu ul li a {
    display: block;
    padding: 12px 12px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-secondary);
    border-bottom: 1px solid rgba(255, 255, 255, 0.04);
    border-radius: 8px;
    transition: all 0.2s;
}

.mobile-menu ul li a:hover,
.mobile-menu ul li a.active {
    color: var(--cyan);
    background: rgba(0, 229, 255, 0.05);
    padding-left: 18px;
}

.mobile-menu-footer {
    margin-top: 16px;
}

.mobile-menu-footer .btn {
    width: 100%;
}

/* ============ 面包屑 ============ */
.breadcrumb-wrap {
    padding: 28px 0 8px;
}

.breadcrumb-nav {
    font-size: 13px;
    color: var(--text-muted);
    display: flex;
    align-items: center;
    gap: 8px;
    flex-wrap: wrap;
}

.breadcrumb-nav a {
    color: var(--text-secondary);
    transition: color 0.2s;
}

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

.breadcrumb-nav .sep {
    color: var(--text-muted);
    opacity: 0.5;
}

.breadcrumb-nav .current {
    color: var(--text-main);
}

/* ============ 文章主体 ============ */
.article-main {
    padding: 20px 0 80px;
}

.article-card {
    max-width: 980px;
    margin: 0 auto;
    background: var(--glass-bg);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: clamp(28px, 5vw, 56px);
    box-shadow: var(--shadow-card);
    animation: fadeInUp 0.4s ease both;
}

@keyframes fadeInUp {
    from {
        opacity: 0;
        transform: translateY(8px);
    }
    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.article-header {
    margin-bottom: 28px;
    text-align: center;
}

.article-header h1 {
    font-size: clamp(24px, 4vw, 42px);
    font-weight: 800;
    line-height: 1.25;
    color: var(--text-main);
    margin-bottom: 16px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}

.article-meta {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    justify-content: center;
    gap: 20px;
    font-size: 13px;
    color: var(--text-muted);
}

.meta-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

.meta-item i {
    font-size: 13px;
    color: var(--cyan);
    opacity: 0.7;
}

.article-cover {
    border-radius: 20px;
    overflow: hidden;
    border: 1px solid rgba(255, 255, 255, 0.1);
    margin-bottom: 36px;
    position: relative;
    box-shadow: 0 8px 30px rgba(0, 0, 0, 0.35);
}

.article-cover img {
    width: 100%;
    height: auto;
    aspect-ratio: 16/9;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.article-cover:hover img {
    transform: scale(1.03);
}

.article-cover::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 60%, rgba(11, 18, 32, 0.3) 100%);
    pointer-events: none;
}

/* ============ 正文排版 ============ */
.article-content {
    font-size: 16px;
    line-height: 1.8;
    color: var(--text-main);
    max-width: 820px;
    margin: 0 auto;
}

.article-content p {
    margin-bottom: 20px;
}

.article-content h2,
.article-content h3,
.article-content h4 {
    font-weight: 700;
    color: var(--text-main);
    margin-top: 36px;
    margin-bottom: 16px;
    line-height: 1.3;
}

.article-content h2 {
    font-size: 24px;
    border-left: 4px solid var(--cyan);
    padding-left: 16px;
}

.article-content h3 {
    font-size: 20px;
}

.article-content h4 {
    font-size: 17px;
    color: var(--cyan);
}

.article-content a {
    color: var(--cyan);
    border-bottom: 1px solid rgba(0, 229, 255, 0.3);
}

.article-content a:hover {
    border-bottom-color: var(--cyan);
}

.article-content blockquote {
    border-left: 3px solid var(--cyan);
    background: rgba(0, 229, 255, 0.05);
    padding: 18px 24px;
    border-radius: 0 12px 12px 0;
    margin: 24px 0;
    font-style: italic;
    color: var(--text-secondary);
}

.article-content blockquote p {
    margin-bottom: 0;
}

.article-content ul,
.article-content ol {
    margin: 16px 0 24px;
    padding-left: 1.25em;
}

.article-content ul {
    list-style: disc;
}

.article-content ol {
    list-style: decimal;
}

.article-content li {
    margin-bottom: 8px;
}

.article-content img {
    border-radius: 14px;
    margin: 24px 0;
    border: 1px solid rgba(255, 255, 255, 0.08);
}

.article-content pre {
    background: var(--bg-deep);
    border: 1px solid var(--border-light);
    border-radius: 12px;
    padding: 20px 24px;
    overflow-x: auto;
    font-size: 14px;
    line-height: 1.6;
    color: var(--text-main);
    margin: 24px 0;
}

.article-content code {
    background: var(--bg-deep);
    border: 1px solid rgba(255, 255, 255, 0.08);
    border-radius: 6px;
    padding: 2px 8px;
    font-size: 14px;
    color: var(--cyan);
}

.article-content pre code {
    background: transparent;
    border: none;
    padding: 0;
    color: var(--text-secondary);
}

.article-content hr {
    border: none;
    border-top: 1px solid var(--border-light);
    margin: 32px 0;
}

/* ============ 标签区 ============ */
.article-tags {
    max-width: 820px;
    margin: 40px auto 0;
    display: flex;
    flex-wrap: wrap;
    align-items: center;
    gap: 10px;
    padding-top: 28px;
    border-top: 1px solid var(--border-light);
}

.article-tags .tag-label {
    font-size: 13px;
    color: var(--text-muted);
    margin-right: 4px;
}

.tag-chip {
    padding: 6px 16px;
    border-radius: 999px;
    background: rgba(0, 229, 255, 0.06);
    border: 1px solid rgba(0, 229, 255, 0.22);
    color: var(--cyan);
    font-size: 12px;
    font-weight: 500;
    transition: all 0.25s ease;
    cursor: default;
}

.tag-chip:hover {
    background: rgba(0, 229, 255, 0.12);
    border-color: rgba(0, 229, 255, 0.4);
    box-shadow: 0 0 12px rgba(0, 229, 255, 0.12);
}

/* ============ 上一篇 / 下一篇 ============ */
.prev-next-wrap {
    max-width: 820px;
    margin: 32px auto 0;
    display: grid;
    grid-template-columns: 1fr 1fr;
    gap: 16px;
}

.prev-next-card {
    display: flex;
    align-items: center;
    gap: 14px;
    background: rgba(255, 255, 255, 0.03);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-card);
    padding: 18px 22px;
    transition: all 0.3s ease;
    min-height: 76px;
}

.prev-next-card:hover {
    border-color: var(--border-cyan);
    transform: translateY(-4px);
    box-shadow: var(--shadow-hover);
    background: rgba(0, 229, 255, 0.04);
}

.prev-next-card.disabled {
    opacity: 0.45;
    pointer-events: none;
}

.pn-icon {
    width: 36px;
    height: 36px;
    border-radius: 10px;
    background: rgba(0, 229, 255, 0.08);
    color: var(--cyan);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    flex-shrink: 0;
}

.prev-next-card.next .pn-icon {
    background: rgba(240, 185, 11, 0.1);
    color: var(--gold);
}

.pn-content {
    overflow: hidden;
}

.pn-label {
    display: block;
    font-size: 11px;
    color: var(--text-muted);
    text-transform: uppercase;
    letter-spacing: 0.6px;
    margin-bottom: 3px;
}

.pn-title {
    display: block;
    font-size: 14px;
    font-weight: 600;
    color: var(--text-main);
    white-space: nowrap;
    overflow: hidden;
    text-overflow: ellipsis;
}

.prev-next-card.next {
    flex-direction: row-reverse;
    text-align: right;
}

/* ============ 相关推荐 ============ */
.related-section {
    max-width: 1200px;
    margin: 60px auto 0;
}

.related-section .section-head {
    text-align: center;
    margin-bottom: 36px;
}

.related-section .section-head h2 {
    font-size: 28px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 8px;
}

.related-section .section-head p {
    font-size: 14px;
    color: var(--text-muted);
}

.article-item-card {
    background: var(--bg-card);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-card);
    overflow: hidden;
    height: 100%;
    transition: all 0.35s ease;
    display: flex;
    flex-direction: column;
}

.article-item-card:hover {
    transform: translateY(-6px);
    border-color: var(--border-cyan);
    box-shadow: var(--shadow-hover);
}

.article-item-card .card-cover {
    position: relative;
    overflow: hidden;
    aspect-ratio: 16/9;
}

.article-item-card .card-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}

.article-item-card:hover .card-cover img {
    transform: scale(1.05);
}

.card-tag {
    position: absolute;
    top: 12px;
    left: 12px;
    padding: 4px 12px;
    border-radius: 999px;
    background: rgba(11, 18, 32, 0.75);
    backdrop-filter: blur(8px);
    border: 1px solid rgba(0, 229, 255, 0.4);
    color: var(--cyan);
    font-size: 11px;
    font-weight: 600;
    letter-spacing: 0.3px;
}

.article-item-card .card-body {
    padding: 20px;
    flex: 1;
    display: flex;
    flex-direction: column;
}

.article-item-card .card-title {
    font-size: 16px;
    font-weight: 700;
    line-height: 1.45;
    color: var(--text-main);
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.2s;
}

.article-item-card:hover .card-title {
    color: var(--cyan);
}

.article-item-card .card-summary {
    font-size: 13px;
    color: var(--text-secondary);
    line-height: 1.65;
    margin-bottom: 14px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}

.article-item-card .card-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 12px;
    color: var(--text-muted);
    border-top: 1px solid rgba(255, 255, 255, 0.04);
    padding-top: 12px;
    margin-top: auto;
}

.article-item-card .card-meta a {
    color: var(--text-muted);
    transition: color 0.2s;
}

.article-item-card .card-meta a:hover {
    color: var(--cyan);
}

.empty-state {
    text-align: center;
    padding: 40px 20px;
}

.empty-box {
    border: 1px dashed rgba(255, 255, 255, 0.16);
    border-radius: var(--radius-card);
    background: var(--glass-bg);
    padding: 48px 24px;
    max-width: 480px;
    margin: 0 auto;
}

.empty-box i {
    font-size: 36px;
    color: var(--text-muted);
    margin-bottom: 12px;
    display: inline-block;
}

.empty-box p {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 16px;
}

/* ============ 内容未找到（无文章时） ============ */
.content-not-found {
    max-width: 520px;
    margin: 80px auto;
    text-align: center;
    background: var(--glass-bg);
    border: 1px solid var(--border-light);
    border-radius: var(--radius-lg);
    padding: 60px 40px;
    backdrop-filter: blur(16px);
    box-shadow: var(--shadow-card);
}

.content-not-found i {
    font-size: 44px;
    color: var(--text-muted);
    margin-bottom: 16px;
    display: inline-block;
}

.content-not-found h2 {
    font-size: 24px;
    font-weight: 700;
    margin-bottom: 12px;
}

.content-not-found p {
    color: var(--text-muted);
    font-size: 14px;
    margin-bottom: 24px;
}

/* ============ CTA 区块 ============ */
.cta-section {
    margin-top: 72px;
    padding: 80px 0;
    position: relative;
    background:
        linear-gradient(135deg, rgba(10, 18, 35, 0.95), rgba(12, 28, 55, 0.85)),
        url('/assets/images/backpic/back-1.png') center/cover no-repeat;
    border-top: 1px solid var(--border-light);
    border-bottom: 1px solid var(--border-light);
    text-align: center;
}

.cta-inner {
    max-width: 760px;
    margin: 0 auto;
}

.cta-inner h2 {
    font-size: clamp(26px, 4vw, 36px);
    font-weight: 800;
    color: #fff;
    margin-bottom: 12px;
    letter-spacing: 0.5px;
}

.cta-inner .cta-sub {
    font-size: 15px;
    color: var(--text-secondary);
    margin-bottom: 32px;
    line-height: 1.6;
}

.cta-steps {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 0;
    margin-top: 34px;
    flex-wrap: wrap;
}

.cta-step {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 13px;
    color: var(--text-muted);
    position: relative;
    padding: 0 14px;
}

.cta-step .step-num {
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.14);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 12px;
    font-weight: 700;
    color: var(--text-secondary);
    transition: all 0.3s;
}

.cta-step.active .step-num,
.cta-step:hover .step-num {
    background: linear-gradient(135deg, var(--primary), var(--cyan));
    border-color: transparent;
    color: #fff;
    box-shadow: 0 0 12px rgba(0, 229, 255, 0.3);
}

.cta-step-line {
    width: 36px;
    height: 1px;
    background: rgba(255, 255, 255, 0.18);
}

.cta-note {
    margin-top: 24px;
    font-size: 12px;
    color: var(--text-muted);
}

/* ============ 页脚 ============ */
.site-footer {
    background: var(--bg-dark);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
    padding: 56px 0 0;
}

.footer-brand {
    display: flex;
    align-items: center;
    gap: 10px;
    margin-bottom: 16px;
}

.footer-brand .logo-icon {
    width: 40px;
    height: 40px;
    font-size: 18px;
}

.footer-brand span:last-child {
    font-size: 20px;
    font-weight: 800;
    background: linear-gradient(120deg, #fff, var(--cyan));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}

.footer-desc {
    font-size: 13px;
    line-height: 1.7;
    color: var(--text-muted);
    max-width: 320px;
    margin-bottom: 0;
}

.footer-col h5 {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-main);
    margin-bottom: 18px;
    position: relative;
    padding-bottom: 8px;
}

.footer-col h5::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 22px;
    height: 2px;
    background: linear-gradient(90deg, var(--cyan), transparent);
    border-radius: 2px;
}

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

.footer-col ul li a {
    font-size: 14px;
    color: var(--text-secondary);
    transition: all 0.2s ease;
    display: inline-flex;
    align-items: center;
    gap: 6px;
}

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

.footer-contact li {
    font-size: 14px;
    color: var(--text-muted);
    display: flex;
    align-items: flex-start;
    gap: 10px;
    margin-bottom: 12px;
}

.footer-contact i {
    color: var(--cyan);
    font-size: 13px;
    margin-top: 3px;
    width: 16px;
    text-align: center;
    flex-shrink: 0;
}

.footer-bottom {
    margin-top: 12px;
    padding: 20px 0;
    border-top: 1px solid rgba(255, 255, 255, 0.05);
    text-align: center;
}

.footer-bottom p {
    font-size: 13px;
    color: var(--text-muted);
    margin: 0;
}

/* ============ 响应式 ============ */
@media (max-width: 1199.98px) {
    .nav-list a {
        padding: 12px 12px;
        font-size: 13px;
    }
}

@media (max-width: 991.98px) {
    .brand-row .container {
        flex-wrap: wrap;
        gap: 6px 16px;
    }

    .top-search {
        margin-left: 0;
        width: 100%;
        order: 3;
    }

    .search-form {
        width: 100%;
    }

    .search-form input {
        flex: 1;
    }

    .nav-list {
        order: 1;
        margin-right: auto;
    }

    .btn-membership {
        display: none;
    }

    .navbar-toggler-custom {
        display: inline-flex;
        align-items: center;
        justify-content: center;
        order: 2;
    }

    .nav-list {
        display: none;
    }

    .main-nav .container {
        justify-content: flex-end;
        min-height: 52px;
    }
}

@media (max-width: 767.98px) {
    .brand-hot {
        display: none !important;
    }

    .brand-row {
        padding: 10px 0;
    }

    .brand-text {
        font-size: 18px;
    }

    .article-card {
        padding: 24px 20px;
        border-radius: 14px;
    }

    .article-header h1 {
        font-size: 24px;
    }

    .article-meta {
        gap: 12px;
        font-size: 12px;
    }

    .prev-next-wrap {
        grid-template-columns: 1fr;
        gap: 12px;
    }

    .related-section .section-head h2 {
        font-size: 24px;
    }

    .cta-section {
        padding: 56px 0;
    }

    .cta-steps {
        gap: 8px;
    }

    .cta-step {
        padding: 0 6px;
        font-size: 12px;
    }

    .cta-step-line {
        width: 18px;
    }

    .site-footer {
        padding-top: 40px;
    }

    .footer-col h5 {
        margin-bottom: 14px;
    }

    .article-content {
        font-size: 15px;
    }
}

@media (max-width: 575.98px) {
    .container {
        padding-left: 16px;
        padding-right: 16px;
    }

    .nav-list {
        display: none;
    }

    .navbar-toggler-custom {
        display: inline-flex;
    }

    .btn-membership {
        font-size: 12px;
        padding: 6px 14px;
        display: none;
    }

    .article-header .article-meta .meta-item {
        gap: 4px;
    }

    .article-cover {
        border-radius: 14px;
        margin-bottom: 24px;
    }

    .article-content blockquote {
        padding: 14px 18px;
    }

    .tag-chip {
        font-size: 11px;
        padding: 5px 12px;
    }

    .prev-next-card {
        padding: 14px 16px;
    }

    .cta-inner h2 {
        font-size: 24px;
    }

    .footer-bottom {
        padding: 16px 0;
    }
}

/* roulang page: category2 */
:root {
        --bg-dark: #0B1220;
        --bg-darker: #0D1526;
        --bg-panel: #13233D;
        --primary: #1B6DF2;
        --primary-light: #3D8BFF;
        --accent: #00E5FF;
        --gold: #F0B90B;
        --gold-dark: #D4AF37;
        --text-main: #E6EDF7;
        --text-secondary: #8AA0BC;
        --text-muted: #5A6E8C;
        --border-light: rgba(255,255,255,0.08);
        --border-strong: rgba(255,255,255,0.12);
        --radius-card: 16px;
        --radius-btn: 12px;
        --radius-badge: 999px;
        --shadow-card: 0 4px 24px rgba(0,0,0,0.3);
        --shadow-hover: 0 8px 40px rgba(0,40,120,0.35);
        --shadow-glow: 0 0 20px rgba(0,229,255,0.5);
        --font-primary: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", system-ui, sans-serif;
    }

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

    html {
        scroll-behavior: smooth;
    }

    body {
        font-family: var(--font-primary);
        background: linear-gradient(180deg, #0B1220 0%, #0F1D33 100%);
        color: var(--text-main);
        line-height: 1.7;
        font-size: 15px;
        -webkit-font-smoothing: antialiased;
        overflow-x: hidden;
    }

    a {
        color: inherit;
        text-decoration: none;
        transition: color 0.3s ease;
    }

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

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

    button, input {
        font-family: inherit;
    }

    ::selection {
        background: rgba(0, 229, 255, 0.2);
        color: #fff;
    }

    /* 滚动条 */
    ::-webkit-scrollbar {
        width: 8px;
    }
    ::-webkit-scrollbar-track {
        background: var(--bg-darker);
    }
    ::-webkit-scrollbar-thumb {
        background: rgba(0, 229, 255, 0.3);
        border-radius: 4px;
    }
    ::-webkit-scrollbar-thumb:hover {
        background: rgba(0, 229, 255, 0.5);
    }

    .container {
        max-width: 1320px;
    }

    /* ===== 顶部品牌行 ===== */
    .topbar-brand {
        background: var(--bg-darker);
        border-bottom: 1px solid rgba(255,255,255,0.04);
        padding: 10px 0;
    }
    .topbar-brand .container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 10px;
    }
    .brand-logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 20px;
        font-weight: 800;
        color: var(--text-main);
        letter-spacing: 0.5px;
        transition: opacity 0.3s;
    }
    .brand-logo:hover {
        opacity: 0.85;
        color: var(--text-main);
    }
    .logo-icon {
        width: 36px;
        height: 36px;
        border-radius: 10px;
        background: linear-gradient(135deg, var(--primary), var(--accent));
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: 16px;
        box-shadow: 0 0 14px rgba(0, 229, 255, 0.4);
    }
    .topbar-right {
        display: flex;
        align-items: center;
        gap: 12px;
        flex-wrap: wrap;
    }
    .hot-tag {
        font-size: 12px;
        color: var(--text-secondary);
        padding: 4px 14px;
        border: 1px solid var(--border-strong);
        border-radius: var(--radius-badge);
        transition: all 0.3s;
        background: rgba(255,255,255,0.03);
    }
    .hot-tag:hover {
        color: var(--gold);
        border-color: rgba(240, 185, 11, 0.4);
        background: rgba(240, 185, 11, 0.06);
        transform: translateY(-1px);
    }
    .search-box {
        position: relative;
        width: 190px;
    }
    .search-box input {
        width: 100%;
        background: rgba(255,255,255,0.06);
        border: 1px solid var(--border-strong);
        border-radius: var(--radius-badge);
        color: var(--text-main);
        font-size: 13px;
        padding: 7px 34px 7px 16px;
        outline: none;
        transition: all 0.3s;
    }
    .search-box input::placeholder {
        color: var(--text-muted);
    }
    .search-box input:focus {
        border-color: var(--accent);
        box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.15);
    }
    .search-box i {
        position: absolute;
        right: 14px;
        top: 50%;
        transform: translateY(-50%);
        color: var(--text-muted);
        font-size: 13px;
        pointer-events: none;
    }

    /* ===== 主导航 ===== */
    .main-nav {
        position: sticky;
        top: 0;
        z-index: 1030;
        background: rgba(11, 18, 32, 0.85);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border-bottom: 1px solid var(--border-light);
        transition: all 0.3s ease;
        min-height: 52px;
    }
    .main-nav.sticky-active {
        box-shadow: 0 4px 20px rgba(0, 0, 0, 0.3);
    }
    .main-nav .container {
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        position: relative;
    }
    .nav-list {
        display: flex;
        align-items: center;
        list-style: none;
        margin: 0;
        padding: 0;
        gap: 4px;
        flex: 1;
    }
    .nav-list li a {
        display: inline-block;
        padding: 10px 18px;
        font-size: 14px;
        font-weight: 500;
        color: var(--text-secondary);
        border-bottom: 2px solid transparent;
        transition: all 0.3s;
        position: relative;
    }
    .nav-list li a:hover {
        color: var(--text-main);
    }
    .nav-list li a.active {
        color: var(--accent);
        border-bottom-color: var(--accent);
        font-weight: 600;
    }
    .btn-membership {
        display: inline-flex;
        align-items: center;
        gap: 6px;
        padding: 7px 18px;
        font-size: 13px;
        font-weight: 600;
        color: #fff;
        background: linear-gradient(135deg, var(--primary), var(--accent));
        border-radius: var(--radius-btn);
        border: none;
        white-space: nowrap;
        box-shadow: 0 0 14px rgba(0, 229, 255, 0.35);
        transition: all 0.3s;
    }
    .btn-membership:hover {
        color: #fff;
        box-shadow: 0 0 26px rgba(0, 229, 255, 0.55);
        transform: translateY(-1px);
    }
    .navbar-toggler-custom {
        display: none;
        width: 38px;
        height: 38px;
        border: 1px solid var(--border-strong);
        border-radius: 8px;
        background: rgba(255,255,255,0.05);
        color: var(--text-main);
        font-size: 16px;
        align-items: center;
        justify-content: center;
        cursor: pointer;
        transition: all 0.3s;
    }
    .navbar-toggler-custom:hover {
        border-color: var(--accent);
        color: var(--accent);
    }

    /* ===== 页头 Hero ===== */
    .page-hero {
        position: relative;
        padding: 72px 0 64px;
        background: linear-gradient(140deg, rgba(10,18,35,0.92), rgba(12,28,55,0.78)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
        text-align: center;
        border-bottom: 1px solid var(--border-light);
    }
    .page-hero-tag {
        display: inline-block;
        font-size: 12px;
        color: var(--accent);
        border: 1px solid rgba(0, 229, 255, 0.3);
        background: rgba(0, 229, 255, 0.08);
        padding: 4px 16px;
        border-radius: var(--radius-badge);
        margin-bottom: 20px;
        letter-spacing: 1px;
    }
    .page-hero h1 {
        font-size: 42px;
        font-weight: 800;
        color: var(--text-main);
        letter-spacing: 1px;
        margin-bottom: 16px;
        line-height: 1.3;
    }
    .page-hero-desc {
        font-size: 15px;
        color: var(--text-secondary);
        max-width: 680px;
        margin: 0 auto;
        line-height: 1.8;
    }

    /* ===== 分类选项卡 ===== */
    .category-tabs {
        display: flex;
        justify-content: center;
        gap: 10px;
        margin-bottom: 36px;
        flex-wrap: wrap;
    }
    .category-tabs .tab-item {
        padding: 8px 26px;
        border: 1px solid transparent;
        border-radius: var(--radius-badge);
        color: var(--text-secondary);
        font-size: 14px;
        font-weight: 500;
        cursor: pointer;
        background: transparent;
        transition: all 0.3s;
        outline: none;
    }
    .category-tabs .tab-item:hover {
        color: var(--text-main);
        border-color: var(--border-strong);
        background: rgba(255,255,255,0.04);
    }
    .category-tabs .tab-item.active {
        color: var(--accent);
        border-color: rgba(0, 229, 255, 0.35);
        background: rgba(0, 229, 255, 0.08);
        font-weight: 600;
    }

    /* ===== 会员权益列表 ===== */
    .content-section {
        padding: 56px 0 72px;
        background: var(--bg-darker);
    }
    .section-intro {
        text-align: center;
        max-width: 680px;
        margin: 0 auto 48px;
    }
    .section-intro h2 {
        font-size: 30px;
        font-weight: 800;
        color: var(--text-main);
        margin-bottom: 12px;
        letter-spacing: 0.5px;
    }
    .section-intro p {
        font-size: 14px;
        color: var(--text-secondary);
        line-height: 1.8;
    }

    .benefits-list {
        max-width: 960px;
        margin: 0 auto;
    }
    .benefit-card {
        display: flex;
        align-items: flex-start;
        gap: 20px;
        background: rgba(18, 30, 50, 0.6);
        backdrop-filter: blur(16px);
        -webkit-backdrop-filter: blur(16px);
        border: 1px solid rgba(255, 255, 255, 0.10);
        border-radius: var(--radius-card);
        padding: 28px 32px;
        margin-bottom: 16px;
        transition: all 0.3s ease;
        position: relative;
        overflow: hidden;
    }
    .benefit-card::before {
        content: '';
        position: absolute;
        top: 0;
        left: 0;
        width: 3px;
        height: 100%;
        background: linear-gradient(180deg, var(--primary), var(--accent));
        opacity: 0;
        transition: opacity 0.3s;
    }
    .benefit-card:hover {
        transform: translateY(-6px);
        border-color: rgba(0, 229, 255, 0.4);
        box-shadow: var(--shadow-hover);
    }
    .benefit-card:hover::before {
        opacity: 1;
    }
    .benefit-icon {
        width: 48px;
        height: 48px;
        flex-shrink: 0;
        border-radius: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 20px;
        color: var(--accent);
        background: rgba(0, 229, 255, 0.1);
        border: 1px solid rgba(0, 229, 255, 0.2);
        transition: all 0.3s;
    }
    .benefit-card:hover .benefit-icon {
        box-shadow: 0 0 12px rgba(0, 229, 255, 0.3);
        transform: scale(1.05);
    }
    .benefit-body {
        flex: 1;
    }
    .benefit-body h3 {
        font-size: 18px;
        font-weight: 700;
        color: var(--text-main);
        margin-bottom: 6px;
    }
    .benefit-body p {
        font-size: 14px;
        color: var(--text-secondary);
        line-height: 1.7;
        margin-bottom: 6px;
    }
    .benefit-meta {
        font-size: 12px;
        color: var(--text-muted);
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .benefit-meta i {
        font-size: 12px;
        color: var(--accent);
    }

    /* ===== FAQ ===== */
    .faq-section {
        padding: 72px 0;
        background: var(--bg-dark);
    }
    .faq-section .section-intro h2 {
        color: var(--text-main);
    }
    .faq-wrap {
        max-width: 860px;
        margin: 0 auto;
    }
    .faq-wrap .accordion-item {
        background: rgba(18, 30, 50, 0.6);
        border: 1px solid var(--border-light);
        border-radius: var(--radius-card);
        margin-bottom: 12px;
        overflow: hidden;
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
    }
    .faq-wrap .accordion-button {
        background: transparent;
        color: var(--text-main);
        font-weight: 600;
        font-size: 15px;
        padding: 18px 24px;
        box-shadow: none;
        transition: all 0.3s;
        border: none;
    }
    .faq-wrap .accordion-button::after {
        background-image: none;
        content: '\f107';
        font-family: 'Font Awesome 6 Free';
        font-weight: 900;
        color: var(--text-secondary);
        font-size: 16px;
        display: flex;
        align-items: center;
        justify-content: center;
        width: 20px;
        height: 20px;
        transition: transform 0.3s;
    }
    .faq-wrap .accordion-button:not(.collapsed)::after {
        transform: rotate(180deg);
        color: var(--accent);
    }
    .faq-wrap .accordion-button:not(.collapsed) {
        color: var(--accent);
        background: rgba(0, 229, 255, 0.05);
        border-bottom: 1px solid rgba(0, 229, 255, 0.1);
    }
    .faq-wrap .accordion-button:focus {
        box-shadow: none;
        border-color: var(--accent);
        outline: 2px solid rgba(0, 229, 255, 0.2);
        outline-offset: -2px;
    }
    .faq-wrap .accordion-body {
        color: var(--text-secondary);
        font-size: 14px;
        line-height: 1.8;
        padding: 18px 24px;
        background: rgba(0, 0, 0, 0.15);
    }

    /* ===== CTA ===== */
    .cta-section {
        padding: 80px 0;
        background: radial-gradient(circle at 50% 30%, rgba(0, 60, 120, 0.6), rgba(11, 18, 32, 0.95) 70%);
        text-align: center;
        position: relative;
        border-top: 1px solid rgba(255, 255, 255, 0.05);
    }
    .cta-section h2 {
        font-size: 32px;
        font-weight: 800;
        color: var(--text-main);
        margin-bottom: 12px;
        letter-spacing: 0.5px;
    }
    .cta-section .cta-desc {
        font-size: 15px;
        color: var(--text-secondary);
        max-width: 560px;
        margin: 0 auto 36px;
        line-height: 1.8;
    }
    .cta-steps {
        display: flex;
        justify-content: center;
        align-items: center;
        gap: 12px;
        flex-wrap: wrap;
        margin-bottom: 36px;
    }
    .cta-step {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 13px;
        color: var(--text-secondary);
        background: rgba(255, 255, 255, 0.04);
        border: 1px solid var(--border-light);
        border-radius: var(--radius-badge);
        padding: 8px 18px;
    }
    .cta-step .step-num {
        width: 22px;
        height: 22px;
        border-radius: 50%;
        background: linear-gradient(135deg, var(--primary), var(--accent));
        color: #fff;
        font-size: 12px;
        font-weight: 700;
        display: flex;
        align-items: center;
        justify-content: center;
    }
    .cta-step-arrow {
        color: var(--text-muted);
        font-size: 14px;
    }
    .btn-gold-glow {
        display: inline-block;
        padding: 14px 44px;
        font-size: 16px;
        font-weight: 700;
        color: #0B1220;
        background: linear-gradient(135deg, var(--gold), var(--gold-dark));
        border-radius: 14px;
        border: none;
        cursor: pointer;
        box-shadow: 0 0 24px rgba(240, 185, 11, 0.4);
        transition: all 0.3s;
        text-decoration: none;
    }
    .btn-gold-glow:hover {
        color: #0B1220;
        transform: translateY(-2px);
        box-shadow: 0 0 36px rgba(240, 185, 11, 0.6);
    }
    .cta-note {
        margin-top: 16px;
        font-size: 12px;
        color: var(--text-muted);
    }

    /* ===== 页脚 ===== */
    .site-footer {
        background: var(--bg-darker);
        border-top: 1px solid var(--border-light);
        padding: 56px 0 0;
    }
    .footer-brand {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 18px;
        font-weight: 800;
        color: var(--text-main);
        margin-bottom: 12px;
    }
    .footer-desc {
        font-size: 13px;
        color: var(--text-secondary);
        line-height: 1.8;
        margin-top: 12px;
        max-width: 320px;
    }
    .footer-col h5 {
        font-size: 15px;
        font-weight: 700;
        color: var(--text-main);
        margin-bottom: 16px;
        position: relative;
        padding-bottom: 8px;
    }
    .footer-col h5::after {
        content: '';
        position: absolute;
        bottom: 0;
        left: 0;
        width: 24px;
        height: 2px;
        background: linear-gradient(90deg, var(--primary), var(--accent));
        border-radius: 2px;
    }
    .footer-col ul {
        list-style: none;
        padding: 0;
        margin: 0;
    }
    .footer-col ul li {
        margin-bottom: 8px;
    }
    .footer-col ul li a {
        font-size: 13px;
        color: var(--text-secondary);
        transition: all 0.3s;
    }
    .footer-col ul li a:hover {
        color: var(--accent);
        padding-left: 4px;
    }
    .footer-contact li {
        font-size: 13px;
        color: var(--text-secondary);
        display: flex;
        align-items: center;
        gap: 8px;
    }
    .footer-contact li i {
        color: var(--accent);
        font-size: 13px;
        width: 16px;
    }
    .footer-bottom {
        margin-top: 32px;
        padding: 18px 0;
        border-top: 1px solid var(--border-light);
        text-align: center;
        font-size: 13px;
        color: var(--text-muted);
    }
    .footer-bottom .mx-2 {
        color: var(--border-strong);
    }

    /* ===== 响应式 ===== */
    @media (max-width: 992px) {
        .search-box {
            width: 150px;
        }
        .hot-tag {
            display: none;
        }
        .nav-list li a {
            padding: 10px 12px;
            font-size: 13px;
        }
        .page-hero h1 {
            font-size: 36px;
        }
    }

    @media (max-width: 768px) {
        .topbar-brand .container {
            justify-content: center;
        }
        .brand-logo {
            font-size: 18px;
        }
        .main-nav .container {
            flex-wrap: wrap;
        }
        .nav-list {
            display: none;
            width: 100%;
            flex-direction: column;
            background: rgba(11, 18, 32, 0.95);
            border-bottom: 1px solid var(--border-light);
            padding: 8px 0 12px;
            margin-top: 6px;
            border-radius: 0 0 12px 12px;
        }
        .nav-list.show {
            display: flex;
        }
        .nav-list li a {
            display: block;
            padding: 12px 20px;
            border-bottom: none;
            border-left: 2px solid transparent;
            color: var(--text-secondary);
            width: 100%;
        }
        .nav-list li a.active {
            color: var(--accent);
            border-left-color: var(--accent);
            border-bottom: none;
        }
        .navbar-toggler-custom {
            display: inline-flex;
        }
        .btn-membership {
            margin-left: auto;
        }
        .page-hero {
            padding: 56px 0 48px;
        }
        .page-hero h1 {
            font-size: 30px;
        }
        .page-hero-desc {
            font-size: 14px;
            padding: 0 16px;
        }
        .benefit-card {
            padding: 22px 20px;
            gap: 16px;
        }
        .benefit-icon {
            width: 42px;
            height: 42px;
            font-size: 17px;
        }
        .benefit-body h3 {
            font-size: 16px;
        }
        .benefit-body p {
            font-size: 13px;
        }
        .content-section {
            padding: 48px 0 56px;
        }
        .faq-section {
            padding: 56px 0;
        }
        .cta-section {
            padding: 56px 0;
        }
        .cta-steps {
            flex-direction: column;
            gap: 8px;
        }
        .cta-step-arrow {
            transform: rotate(90deg);
        }
        .section-intro h2 {
            font-size: 26px;
        }
        .category-tabs .tab-item {
            padding: 7px 18px;
            font-size: 13px;
        }
        .footer-bottom {
            font-size: 12px;
        }
    }

    @media (max-width: 576px) {
        .search-box {
            display: none;
        }
        .topbar-brand {
            padding: 8px 0;
        }
        .brand-logo {
            font-size: 17px;
        }
        .logo-icon {
            width: 32px;
            height: 32px;
            font-size: 14px;
        }
        .hot-tag {
            display: none;
        }
        .btn-membership {
            font-size: 12px;
            padding: 6px 14px;
        }
        .page-hero {
            padding: 44px 0 40px;
        }
        .page-hero h1 {
            font-size: 26px;
        }
        .page-hero-desc {
            font-size: 13px;
        }
        .benefit-card {
            flex-direction: column;
            gap: 14px;
            align-items: center;
            text-align: center;
        }
        .benefit-card::before {
            display: none;
        }
        .benefit-meta {
            justify-content: center;
        }
        .faq-wrap .accordion-button {
            font-size: 14px;
            padding: 16px 18px;
        }
        .faq-wrap .accordion-body {
            font-size: 13px;
            padding: 14px 18px;
        }
        .cta-section h2 {
            font-size: 24px;
        }
        .btn-gold-glow {
            padding: 13px 36px;
            font-size: 15px;
        }
        .footer-col {
            padding: 0 12px;
        }
    }

    @media (max-width: 375px) {
        .brand-logo {
            font-size: 16px;
        }
        .page-hero h1 {
            font-size: 24px;
        }
        .btn-membership {
            padding: 5px 12px;
            font-size: 11px;
        }
        .benefit-body h3 {
            font-size: 15px;
        }
    }

/* roulang page: category3 */
:root {
            --bg-primary: #0B1220;
            --bg-secondary: #0D1526;
            --bg-tertiary: #13233D;
            --bg-card: rgba(18, 30, 50, 0.6);
            --brand-blue: #1B6DF2;
            --brand-blue-light: #3D8BFF;
            --accent-cyan: #00E5FF;
            --gold: #F0B90B;
            --gold-deep: #D4AF37;
            --text-primary: #E6EDF7;
            --text-secondary: #8AA0BC;
            --text-muted: #5A6E8C;
            --border-light: rgba(255, 255, 255, 0.10);
            --border-glow: rgba(0, 229, 255, 0.4);
            --radius-card: 16px;
            --radius-btn: 12px;
            --radius-pill: 999px;
            --shadow-card: 0 4px 24px rgba(0, 0, 0, 0.3);
            --shadow-hover: 0 8px 40px rgba(0, 40, 120, 0.35);
            --shadow-cyan: 0 0 20px rgba(0, 229, 255, 0.5);
            --transition: 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Source Han Sans SC", "Noto Sans CJK SC", system-ui, sans-serif;
            background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
            color: var(--text-primary);
            line-height: 1.7;
            min-height: 100vh;
            overflow-x: hidden;
        }

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

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

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

        button,
        input {
            font-family: inherit;
        }

        input:focus {
            outline: none;
        }

        ul {
            list-style: none;
        }

        ::selection {
            background: rgba(0, 229, 255, 0.25);
            color: #fff;
        }

        ::-webkit-scrollbar {
            width: 10px;
        }

        ::-webkit-scrollbar-track {
            background: #0B1220;
        }

        ::-webkit-scrollbar-thumb {
            background: linear-gradient(180deg, #1B6DF2, #00E5FF);
            border-radius: 999px;
        }

        .container {
            max-width: 1320px;
        }

        /* ---- 按钮 ---- */
        .btn-glow {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            background: linear-gradient(135deg, #1B6DF2, #00E5FF);
            color: #fff;
            font-weight: 600;
            font-size: 15px;
            border: none;
            transition: all var(--transition);
            box-shadow: 0 0 16px rgba(0, 229, 255, 0.35);
            cursor: pointer;
        }

        .btn-glow:hover {
            box-shadow: 0 0 30px rgba(0, 229, 255, 0.6);
            filter: brightness(1.1);
            color: #fff;
            transform: translateY(-2px);
        }

        .btn-gold {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 14px 36px;
            border-radius: 14px;
            background: linear-gradient(135deg, #D4AF37, #F0B90B);
            color: #0B1220;
            font-weight: 700;
            font-size: 16px;
            border: none;
            transition: all var(--transition);
            box-shadow: 0 0 24px rgba(240, 185, 11, 0.35);
            cursor: pointer;
        }

        .btn-gold:hover {
            box-shadow: 0 0 40px rgba(240, 185, 11, 0.55);
            transform: translateY(-2px);
            color: #0B1220;
        }

        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 11px 26px;
            border-radius: var(--radius-btn);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.18);
            color: var(--text-primary);
            font-weight: 500;
            font-size: 15px;
            transition: all var(--transition);
            cursor: pointer;
        }

        .btn-outline:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
            box-shadow: 0 0 16px rgba(0, 229, 255, 0.15);
            background: rgba(0, 229, 255, 0.06);
        }

        .btn-membership {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 18px;
            border-radius: var(--radius-btn);
            background: linear-gradient(135deg, #1B6DF2, #00E5FF);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            border: none;
            box-shadow: 0 0 14px rgba(0, 229, 255, 0.3);
            transition: all var(--transition);
            cursor: pointer;
            white-space: nowrap;
        }

        .btn-membership:hover {
            box-shadow: 0 0 24px rgba(0, 229, 255, 0.5);
            filter: brightness(1.1);
            color: #fff;
            transform: translateY(-1px);
        }

        /* ---- 标签 ---- */
        .chip {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            background: rgba(0, 229, 255, 0.08);
            border: 1px solid rgba(0, 229, 255, 0.25);
            color: var(--accent-cyan);
            font-size: 12px;
            font-weight: 500;
            letter-spacing: 0.3px;
        }

        /* ---- Header ---- */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1050;
            transition: all var(--transition);
        }

        .site-header.scrolled {
            background: rgba(11, 18, 32, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .top-bar {
            background: rgba(11, 18, 32, 0.75);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: all var(--transition);
        }

        .site-header.scrolled .top-bar {
            display: none;
        }

        .top-bar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 52px;
            gap: 20px;
        }

        .brand-logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--text-primary);
            letter-spacing: 0.5px;
            flex-shrink: 0;
        }

        .brand-logo:hover {
            color: var(--text-primary);
        }

        .logo-icon {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 32px;
            height: 32px;
            border-radius: 10px;
            background: linear-gradient(135deg, #1B6DF2, #00E5FF);
            color: #fff;
            font-size: 15px;
            box-shadow: 0 0 12px rgba(0, 229, 255, 0.35);
        }

        .hot-tags {
            display: flex;
            gap: 10px;
        }

        .hot-tags a {
            font-size: 13px;
            color: var(--text-secondary);
            padding: 4px 14px;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(255, 255, 255, 0.08);
            transition: all var(--transition);
        }

        .hot-tags a:hover {
            color: var(--gold);
            border-color: rgba(240, 185, 11, 0.4);
            background: rgba(240, 185, 11, 0.06);
        }

        .header-search {
            position: relative;
            flex-shrink: 0;
        }

        .header-search input {
            width: 190px;
            height: 36px;
            padding: 0 36px 0 14px;
            border-radius: var(--radius-pill);
            border: 1px solid rgba(255, 255, 255, 0.10);
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-primary);
            font-size: 13px;
            transition: all var(--transition);
        }

        .header-search input::placeholder {
            color: var(--text-muted);
        }

        .header-search input:focus {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.12);
            background: rgba(255, 255, 255, 0.09);
            width: 220px;
        }

        .header-search i {
            position: absolute;
            right: 14px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 13px;
            pointer-events: none;
        }

        .main-nav {
            background: rgba(13, 21, 38, 0.85);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            transition: all var(--transition);
        }

        .site-header.scrolled .main-nav {
            background: rgba(11, 18, 32, 0.85);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .main-nav .container {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            min-height: 48px;
        }

        .nav-list {
            display: flex;
            gap: 0;
            margin: 0;
            padding: 0;
            flex: 1;
        }

        .nav-list li {
            margin: 0;
        }

        .nav-list a {
            display: inline-block;
            padding: 13px 20px 11px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-secondary);
            position: relative;
            transition: color var(--transition);
            border-bottom: 2px solid transparent;
        }

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

        .nav-list a.active {
            color: var(--accent-cyan);
            border-bottom-color: var(--accent-cyan);
            font-weight: 600;
        }

        .navbar-toggler-custom {
            display: none;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.10);
            color: var(--text-primary);
            font-size: 16px;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: all var(--transition);
            flex-shrink: 0;
        }

        .navbar-toggler-custom:hover {
            border-color: var(--accent-cyan);
            color: var(--accent-cyan);
        }

        .mobile-menu {
            display: none;
            position: fixed;
            top: 0;
            right: -320px;
            width: 300px;
            height: 100vh;
            background: rgba(11, 18, 32, 0.98);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            z-index: 1060;
            padding: 80px 28px 40px;
            transition: right 0.35s ease;
            border-left: 1px solid rgba(255, 255, 255, 0.06);
        }

        .mobile-menu.open {
            right: 0;
        }

        .mobile-menu ul {
            display: flex;
            flex-direction: column;
            gap: 4px;
            margin-bottom: 30px;
        }

        .mobile-menu li a {
            display: block;
            padding: 13px 16px;
            border-radius: 12px;
            font-size: 16px;
            font-weight: 500;
            color: var(--text-secondary);
            transition: all var(--transition);
        }

        .mobile-menu li a:hover,
        .mobile-menu li a.active {
            color: var(--accent-cyan);
            background: rgba(0, 229, 255, 0.06);
        }

        .mobile-menu-cta {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .mobile-menu-cta .btn-membership {
            justify-content: center;
            padding: 12px 20px;
            width: 100%;
        }

        .mobile-overlay {
            position: fixed;
            inset: 0;
            background: rgba(0, 0, 0, 0.6);
            z-index: 1055;
            opacity: 0;
            visibility: hidden;
            transition: all 0.3s ease;
        }

        .mobile-overlay.show {
            opacity: 1;
            visibility: visible;
        }

        /* ---- Page Hero ---- */
        .page-hero {
            position: relative;
            padding: 80px 0 64px;
            background: linear-gradient(140deg, rgba(10, 18, 35, 0.92), rgba(12, 28, 55, 0.78)), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
            border-bottom: 1px solid rgba(255, 255, 255, 0.04);
            overflow: hidden;
        }

        .page-hero::after {
            content: '';
            position: absolute;
            bottom: -80px;
            right: -60px;
            width: 320px;
            height: 320px;
            background: radial-gradient(circle, rgba(0, 229, 255, 0.10), transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }

        .page-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 20px;
            border-radius: var(--radius-pill);
            background: rgba(0, 229, 255, 0.08);
            border: 1px solid rgba(0, 229, 255, 0.25);
            color: var(--accent-cyan);
            font-size: 13px;
            font-weight: 500;
            margin-bottom: 18px;
            letter-spacing: 0.4px;
        }

        .page-hero h1 {
            font-size: 42px;
            font-weight: 800;
            color: #fff;
            letter-spacing: 1px;
            margin-bottom: 14px;
            line-height: 1.25;
        }

        .hero-sub {
            font-size: 16px;
            color: var(--text-secondary);
            max-width: 720px;
            margin: 0 auto 20px;
            line-height: 1.75;
        }

        .hero-breadcrumb {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
        }

        .hero-breadcrumb a {
            color: var(--text-secondary);
            transition: color var(--transition);
        }

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

        .hero-breadcrumb i {
            font-size: 10px;
            color: var(--text-muted);
        }

        /* ---- Tabs ---- */
        .tabs-section {
            padding: 40px 0 0;
        }

        .tabs-bar {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: rgba(18, 30, 50, 0.6);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: var(--radius-pill);
            padding: 6px;
            width: fit-content;
            margin: 0 auto;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
        }

        .tab-item {
            padding: 9px 28px;
            border-radius: var(--radius-pill);
            font-size: 14px;
            font-weight: 500;
            color: var(--text-secondary);
            cursor: pointer;
            transition: all var(--transition);
            border: none;
            background: transparent;
        }

        .tab-item:hover {
            color: var(--accent-cyan);
        }

        .tab-item.active {
            background: linear-gradient(135deg, #1B6DF2, #00E5FF);
            color: #fff;
            box-shadow: 0 0 16px rgba(0, 229, 255, 0.35);
        }

        /* ---- News Section ---- */
        .news-section {
            padding: 48px 0 64px;
        }

        .section-head {
            text-align: center;
            margin-bottom: 44px;
        }

        .section-head h2 {
            font-size: 32px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 10px;
            letter-spacing: 0.5px;
        }

        .section-head p {
            color: var(--text-secondary);
            font-size: 15px;
            max-width: 620px;
            margin: 0 auto;
        }

        .news-item {
            background: rgba(18, 30, 50, 0.6);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 20px;
            padding: 24px;
            margin-bottom: 24px;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: all var(--transition);
            align-items: center;
        }

        .news-item:hover {
            transform: translateY(-6px);
            border-color: rgba(0, 229, 255, 0.4);
            box-shadow: 0 12px 40px rgba(0, 40, 120, 0.35);
        }

        .news-img-wrap {
            position: relative;
            border-radius: 16px;
            overflow: hidden;
            aspect-ratio: 4/3;
            background: linear-gradient(135deg, #0D1526, #13233D);
        }

        .news-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }

        .news-item:hover .news-img-wrap img {
            transform: scale(1.03);
        }

        .news-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            padding: 5px 14px;
            border-radius: var(--radius-pill);
            background: rgba(11, 18, 32, 0.75);
            border: 1px solid rgba(0, 229, 255, 0.3);
            color: var(--accent-cyan);
            font-size: 12px;
            font-weight: 500;
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            letter-spacing: 0.3px;
        }

        .news-body {
            padding: 8px 8px 8px 12px;
        }

        .news-date {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 12px;
        }

        .news-date i {
            color: var(--accent-cyan);
            font-size: 14px;
        }

        .news-body h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 12px;
            line-height: 1.4;
            transition: color var(--transition);
        }

        .news-body h3:hover {
            color: var(--accent-cyan);
        }

        .news-body p {
            font-size: 15px;
            color: var(--text-secondary);
            line-height: 1.75;
            margin-bottom: 18px;
            display: -webkit-box;
            -webkit-line-clamp: 3;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .btn-view {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--accent-cyan);
            transition: all var(--transition);
        }

        .btn-view i {
            font-size: 13px;
            transition: transform var(--transition);
        }

        .btn-view:hover {
            color: var(--gold);
            gap: 10px;
        }

        .btn-view:hover i {
            transform: translateX(3px);
        }

        /* ---- Notify ---- */
        .notify-section {
            padding: 0 0 72px;
        }

        .notify-card {
            background: linear-gradient(135deg, rgba(19, 35, 61, 0.75), rgba(13, 21, 38, 0.85));
            border: 1px solid rgba(255, 255, 255, 0.10);
            border-radius: 20px;
            padding: 40px 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 30px;
            flex-wrap: wrap;
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            box-shadow: var(--shadow-card);
        }

        .notify-content {
            flex: 1;
            min-width: 240px;
        }

        .notify-content h3 {
            font-size: 24px;
            font-weight: 700;
            color: var(--text-primary);
            margin-bottom: 8px;
        }

        .notify-content p {
            font-size: 14px;
            color: var(--text-secondary);
        }

        .notify-form {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
            flex: 1;
            min-width: 260px;
            max-width: 460px;
        }

        .notify-form input {
            flex: 1;
            min-width: 180px;
            height: 46px;
            padding: 0 18px;
            border-radius: var(--radius-btn);
            border: 1px solid rgba(255, 255, 255, 0.12);
            background: rgba(255, 255, 255, 0.06);
            color: var(--text-primary);
            font-size: 14px;
            transition: all var(--transition);
        }

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

        .notify-form input:focus {
            border-color: var(--accent-cyan);
            box-shadow: 0 0 0 3px rgba(0, 229, 255, 0.12);
            background: rgba(255, 255, 255, 0.09);
        }

        /* ---- FAQ ---- */
        .faq-section {
            padding: 72px 0 64px;
            background: linear-gradient(180deg, transparent, rgba(19, 35, 61, 0.35));
        }

        .custom-accordion {
            max-width: 860px;
            margin: 0 auto;
            --bs-accordion-bg: transparent;
            --bs-accordion-border-width: 0;
            --bs-accordion-btn-focus-box-shadow: none;
        }

        .custom-accordion .accordion-item {
            background: rgba(18, 30, 50, 0.6);
            border: 1px solid rgba(255, 255, 255, 0.08);
            border-radius: 16px;
            margin-bottom: 14px;
            overflow: hidden;
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            transition: all var(--transition);
        }

        .custom-accordion .accordion-item:hover {
            border-color: rgba(0, 229, 255, 0.25);
        }

        .custom-accordion .accordion-button {
            background: transparent;
            color: var(--text-primary);
            font-size: 15px;
            font-weight: 600;
            padding: 18px 24px;
            box-shadow: none;
            transition: all var(--transition);
            border-radius: 16px;
        }

        .custom-accordion .accordion-button:not(.collapsed) {
            background: rgba(0, 229, 255, 0.04);
            color: var(--accent-cyan);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
        }

        .custom-accordion .accordion-button::after {
            color: var(--accent-cyan);
            filter: invert(70%) sepia(40%) saturate(1500%) hue-rotate(150deg);
            transition: transform var(--transition);
        }

        .custom-accordion .accordion-button:focus {
            box-shadow: none;
        }

        .custom-accordion .accordion-body {
            padding: 18px 24px;
            color: var(--text-secondary);
            font-size: 14px;
            line-height: 1.8;
            background: rgba(255, 255, 255, 0.02);
        }

        /* ---- CTA ---- */
        .cta-section {
            position: relative;
            padding: 90px 0 80px;
            background: radial-gradient(ellipse at center, rgba(0, 229, 255, 0.12) 0%, rgba(11, 18, 32, 0.9) 60%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            border-top: 1px solid rgba(255, 255, 255, 0.04);
            text-align: center;
            overflow: hidden;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 18, 32, 0.4), rgba(11, 18, 32, 0.7));
            z-index: 1;
        }

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

        .cta-title {
            font-size: 34px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            letter-spacing: 0.5px;
        }

        .cta-sub {
            font-size: 15px;
            color: var(--text-secondary);
            max-width: 520px;
            margin: 0 auto 28px;
        }

        .cta-steps {
            display: flex;
            align-items: center;
            justify-content: center;
            gap: 12px;
            margin: 28px auto 16px;
            flex-wrap: wrap;
        }

        .cta-steps .step {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--text-secondary);
            padding: 6px 16px;
            border-radius: var(--radius-pill);
            background: rgba(255, 255, 255, 0.04);
            border: 1px solid rgba(255, 255, 255, 0.08);
        }

        .cta-steps .step i {
            color: var(--gold);
            font-size: 14px;
        }

        .cta-steps .step-line {
            width: 28px;
            height: 1px;
            background: rgba(255, 255, 255, 0.15);
        }

        .cta-note {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 16px;
        }

        /* ---- Footer ---- */
        .site-footer {
            background: #08101B;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 64px 0 0;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--text-primary);
            margin-bottom: 14px;
        }

        .footer-desc {
            font-size: 14px;
            color: var(--text-secondary);
            line-height: 1.7;
            max-width: 360px;
        }

        .footer-col h5 {
            font-size: 15px;
            font-weight: 600;
            color: var(--text-primary);
            margin-bottom: 16px;
            position: relative;
            padding-bottom: 10px;
        }

        .footer-col h5::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 2px;
            background: linear-gradient(90deg, #1B6DF2, #00E5FF);
            border-radius: 2px;
        }

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

        .footer-col ul li a {
            font-size: 14px;
            color: var(--text-secondary);
            transition: all var(--transition);
        }

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

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: var(--text-secondary);
            margin-bottom: 12px;
        }

        .footer-contact li i {
            color: var(--accent-cyan);
            font-size: 14px;
            width: 18px;
            text-align: center;
        }

        .footer-bottom {
            margin-top: 32px;
            padding: 20px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            text-align: center;
        }

        .footer-bottom p {
            font-size: 13px;
            color: var(--text-muted);
            margin: 0;
        }

        /* ---- Responsive ---- */
        @media (max-width: 1199.98px) {
            .page-hero h1 {
                font-size: 36px;
            }
            .news-body h3 {
                font-size: 20px;
            }
        }

        @media (max-width: 991.98px) {
            .nav-list {
                display: none;
            }
            .navbar-toggler-custom {
                display: inline-flex;
            }
            .btn-membership {
                display: none;
            }
            .mobile-menu {
                display: block;
            }
            .hot-tags {
                display: none;
            }
            .header-search {
                display: none;
            }
            .top-bar-inner {
                justify-content: center;
                height: 52px;
            }
            .news-item {
                padding: 20px;
            }
            .news-body {
                padding: 16px 4px 4px;
            }
            .news-body h3 {
                font-size: 18px;
            }
            .notify-card {
                padding: 30px 24px;
            }
            .cta-title {
                font-size: 28px;
            }
        }

        @media (max-width: 767.98px) {
            .page-hero {
                padding: 56px 0 44px;
            }
            .page-hero h1 {
                font-size: 30px;
            }
            .hero-sub {
                font-size: 14px;
            }
            .hero-badge {
                font-size: 12px;
                padding: 5px 14px;
            }
            .tabs-bar {
                width: 100%;
                border-radius: 16px;
                justify-content: space-between;
            }
            .tab-item {
                padding: 8px 16px;
                font-size: 13px;
                flex: 1;
                text-align: center;
            }
            .section-head h2 {
                font-size: 26px;
            }
            .section-head p {
                font-size: 14px;
            }
            .news-item {
                margin-bottom: 18px;
                border-radius: 16px;
                padding: 16px;
            }
            .news-body {
                padding: 14px 2px 2px;
            }
            .news-body h3 {
                font-size: 17px;
            }
            .news-body p {
                font-size: 14px;
                -webkit-line-clamp: 2;
            }
            .notify-card {
                flex-direction: column;
                text-align: center;
            }
            .notify-form {
                max-width: 100%;
                flex-direction: column;
            }
            .notify-form input {
                width: 100%;
            }
            .notify-form .btn-glow {
                width: 100%;
            }
            .faq-section {
                padding: 56px 0 48px;
            }
            .cta-section {
                padding: 64px 0 56px;
            }
            .cta-title {
                font-size: 24px;
            }
            .cta-steps .step-line {
                display: none;
            }
            .footer-bottom p {
                font-size: 12px;
            }
        }

        @media (max-width: 575.98px) {
            .brand-logo {
                font-size: 18px;
            }
            .brand-logo .logo-icon {
                width: 28px;
                height: 28px;
                font-size: 13px;
            }
            .page-hero h1 {
                font-size: 26px;
            }
            .hero-breadcrumb {
                font-size: 12px;
                flex-wrap: wrap;
            }
            .news-item {
                padding: 12px;
            }
            .news-tag {
                top: 10px;
                left: 10px;
                font-size: 11px;
                padding: 4px 10px;
            }
            .news-body h3 {
                font-size: 16px;
            }
            .news-date {
                font-size: 12px;
            }
            .notify-content h3 {
                font-size: 20px;
            }
            .custom-accordion .accordion-button {
                font-size: 14px;
                padding: 15px 18px;
            }
            .custom-accordion .accordion-body {
                padding: 14px 18px;
                font-size: 13px;
            }
            .cta-title {
                font-size: 22px;
            }
            .cta-sub {
                font-size: 14px;
            }
            .btn-gold {
                padding: 12px 28px;
                font-size: 15px;
                width: 100%;
                max-width: 320px;
            }
        }