/* roulang page: index */
:root {
            --primary: #0B1B2B;
            --primary-light: #0E2238;
            --deep: #081520;
            --accent: #2E8CFF;
            --accent-hover: #55A5FF;
            --gold: #F5B942;
            --text-body: #C8D3E0;
            --text-title: #F0F4F8;
            --text-muted: #7B8A9B;
            --border: rgba(255, 255, 255, 0.10);
            --card-bg: rgba(255, 255, 255, 0.06);
            --radius-card: 16px;
            --radius-btn: 8px;
            --shadow-card: 0 8px 32px rgba(0, 0, 0, 0.25);
            --shadow-card-hover: 0 12px 40px rgba(0, 0, 0, 0.35);
            --shadow-btn: 0 0 20px rgba(46, 140, 255, 0.4), 0 4px 12px rgba(46, 140, 255, 0.2);
            --shadow-btn-hover: 0 0 30px rgba(46, 140, 255, 0.6), 0 6px 16px rgba(46, 140, 255, 0.3);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            background: linear-gradient(180deg, var(--primary) 0%, var(--primary-light) 100%);
            color: var(--text-body);
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
            font-size: 15px;
            line-height: 1.8;
            -webkit-font-smoothing: antialiased;
        }
        body::before {
            content: '';
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: radial-gradient(circle at 85% 10%, rgba(46, 140, 255, 0.10) 0%, transparent 50%);
            pointer-events: none;
            z-index: 0;
        }
        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
            position: relative;
            z-index: 1;
        }
        a {
            color: var(--text-body);
            text-decoration: none;
            transition: color 0.3s ease, background 0.3s ease, border-color 0.3s ease, box-shadow 0.3s ease, transform 0.2s ease;
        }
        img {
            max-width: 100%;
            display: block;
        }
        button,
        input {
            font-family: inherit;
            font-size: inherit;
            border: none;
            outline: none;
        }
        ::placeholder {
            color: #5A6B7A;
        }

        /* ======= 导航 ======= */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            z-index: 100;
            background: rgba(11, 27, 43, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.06);
            height: 64px;
        }
        .site-header.scrolled {
            background: rgba(8, 21, 32, 0.95);
            box-shadow: 0 4px 30px rgba(0, 0, 0, 0.4);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 64px;
            gap: 16px;
        }
        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-icon {
            width: 36px;
            height: 36px;
            flex-shrink: 0;
        }
        .logo-icon svg {
            width: 100%;
            height: 100%;
        }
        .logo-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-title);
            letter-spacing: 1px;
            white-space: nowrap;
        }
        .logo-text span {
            color: var(--gold);
        }
        .nav-menu {
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .nav-link {
            display: inline-block;
            padding: 8px 16px;
            font-size: 15px;
            font-weight: 500;
            color: var(--text-body);
            border-radius: 8px;
            border-bottom: 2px solid transparent;
            position: relative;
            transition: all 0.3s ease;
        }
        .nav-link:hover {
            color: var(--text-title);
            background: rgba(255, 255, 255, 0.06);
        }
        .nav-link.active {
            color: var(--accent);
            border-bottom-color: var(--accent);
        }
        .nav-link:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .header-cta {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .countdown-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 14px;
            background: rgba(245, 185, 66, 0.12);
            border: 1px solid rgba(245, 185, 66, 0.30);
            border-radius: 999px;
            font-size: 13px;
            color: var(--gold);
            font-family: "SF Mono", "Roboto Mono", monospace;
            font-weight: 600;
            letter-spacing: 0.5px;
            white-space: nowrap;
        }
        .btn-primary {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            font-size: 15px;
            font-weight: 600;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            box-shadow: var(--shadow-btn);
            transition: all 0.3s ease;
            cursor: pointer;
            border: none;
            min-height: 44px;
        }
        .btn-primary:hover {
            background: var(--accent-hover);
            box-shadow: var(--shadow-btn-hover);
            transform: translateY(-1px);
            color: #fff;
        }
        .btn-primary:active {
            transform: translateY(1px);
            box-shadow: 0 2px 8px rgba(46, 140, 255, 0.3);
        }
        .btn-primary:focus-visible {
            outline: 2px solid var(--gold);
            outline-offset: 2px;
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 14px;
            min-height: 40px;
        }
        .btn-lg {
            padding: 14px 32px;
            font-size: 16px;
            min-height: 50px;
        }
        .btn-outline {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            background: transparent;
            color: var(--text-title);
            font-size: 15px;
            font-weight: 600;
            padding: 12px 24px;
            border-radius: var(--radius-btn);
            border: 1.5px solid rgba(255, 255, 255, 0.3);
            transition: all 0.3s ease;
            cursor: pointer;
            min-height: 44px;
        }
        .btn-outline:hover {
            background: rgba(46, 140, 255, 0.15);
            border-color: var(--accent);
            color: var(--text-title);
        }
        .btn-outline:active {
            transform: translateY(1px);
        }
        .btn-outline:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }
        .btn-block {
            width: 100%;
        }
        .hamburger-btn {
            display: none;
            background: transparent;
            border: 1px solid rgba(255, 255, 255, 0.2);
            color: var(--text-title);
            width: 42px;
            height: 42px;
            border-radius: 8px;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            cursor: pointer;
            transition: all 0.3s ease;
        }
        .hamburger-btn:hover {
            border-color: var(--accent);
            background: rgba(46, 140, 255, 0.1);
        }
        .hamburger-btn:focus-visible {
            outline: 2px solid var(--accent);
        }

        /* 移动端抽屉菜单 */
        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -100%;
            width: 280px;
            height: 100vh;
            background: var(--deep);
            z-index: 200;
            transition: right 0.4s cubic-bezier(0.4, 0, 0.2, 1);
            padding: 80px 24px 24px;
            border-left: 1px solid rgba(255, 255, 255, 0.08);
            box-shadow: -8px 0 40px rgba(0, 0, 0, 0.4);
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .mobile-drawer.open {
            right: 0;
        }
        .mobile-drawer-backdrop {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(0, 0, 0, 0.6);
            z-index: 150;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease;
        }
        .mobile-drawer-backdrop.show {
            opacity: 1;
            visibility: visible;
        }
        .mobile-nav-link {
            display: block;
            padding: 14px 16px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-body);
            border-radius: 8px;
            transition: all 0.3s ease;
        }
        .mobile-nav-link:hover {
            background: rgba(46, 140, 255, 0.1);
            color: var(--accent);
        }
        .mobile-nav-link.active {
            color: var(--accent);
            background: rgba(46, 140, 255, 0.12);
        }
        .drawer-cta {
            margin-top: auto;
            display: flex;
            flex-direction: column;
            gap: 10px;
            padding-top: 16px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }

        /* ======= 倒计时条 ======= */
        .countdown-bar {
            background: var(--deep);
            border-bottom: 1px solid rgba(245, 185, 66, 0.12);
            position: relative;
            z-index: 10;
        }
        .countdown-bar-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding-top: 10px;
            padding-bottom: 10px;
        }
        .status-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 4px 16px;
            background: rgba(245, 185, 66, 0.18);
            border: 1px solid var(--gold);
            color: var(--gold);
            font-size: 13px;
            font-weight: 600;
            border-radius: 999px;
            letter-spacing: 0.5px;
        }
        .status-badge i {
            width: 6px;
            height: 6px;
            background: var(--gold);
            border-radius: 50%;
            display: inline-block;
            animation: pulse 1.5s infinite;
        }
        @keyframes pulse {
            0% {
                opacity: 1;
                transform: scale(1);
            }
            50% {
                opacity: 0.5;
                transform: scale(0.8);
            }
            100% {
                opacity: 1;
                transform: scale(1);
            }
        }
        .countdown-digits {
            display: flex;
            align-items: center;
            gap: 10px;
            font-family: "SF Mono", "Roboto Mono", monospace;
        }
        .countdown-digits .digit {
            background: rgba(255, 255, 255, 0.08);
            border: 1px solid rgba(255, 255, 255, 0.12);
            padding: 4px 10px;
            border-radius: 6px;
            font-size: 18px;
            font-weight: 700;
            color: var(--gold);
            letter-spacing: 2px;
        }
        .countdown-digits .sep {
            color: var(--text-muted);
            font-size: 16px;
            font-weight: 400;
        }
        .countdown-label {
            font-size: 12px;
            color: var(--text-muted);
            margin-left: 4px;
        }
        .countdown-header-text {
            font-size: 13px;
            color: var(--text-muted);
            margin-right: 8px;
        }

        /* ======= Hero ======= */
        .hero-section {
            position: relative;
            padding: 100px 0 80px;
            background: linear-gradient(180deg, var(--primary) 0%, var(--primary-light) 100%);
            overflow: hidden;
        }
        .hero-section::before {
            content: '';
            position: absolute;
            top: -100px;
            right: -80px;
            width: 500px;
            height: 500px;
            background: radial-gradient(circle, rgba(46, 140, 255, 0.18) 0%, transparent 70%);
            border-radius: 50%;
            pointer-events: none;
        }
        .hero-section::after {
            content: '';
            position: absolute;
            bottom: -1px;
            left: 0;
            right: 0;
            height: 80px;
            background: linear-gradient(180deg, transparent, var(--primary));
            pointer-events: none;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 60px;
            align-items: center;
        }
        .hero-left {
            position: relative;
            z-index: 2;
        }
        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 14px;
            background: rgba(245, 185, 66, 0.12);
            border: 1px solid rgba(245, 185, 66, 0.25);
            color: var(--gold);
            font-size: 13px;
            font-weight: 500;
            border-radius: 999px;
            margin-bottom: 20px;
        }
        .hero-title {
            font-size: 40px;
            font-weight: 800;
            color: var(--text-title);
            line-height: 1.3;
            letter-spacing: 1px;
            margin-bottom: 16px;
        }
        .hero-title .highlight {
            color: var(--gold);
        }
        .hero-subtitle {
            font-size: 17px;
            color: var(--text-body);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 480px;
        }
        .hero-btns {
            display: flex;
            gap: 16px;
            flex-wrap: wrap;
        }
        .hero-trust {
            display: flex;
            align-items: center;
            gap: 20px;
            margin-top: 32px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.08);
        }
        .hero-trust-item {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .hero-trust-item i {
            color: var(--accent);
        }

        /* 登录卡片 */
        .login-card {
            background: rgba(255, 255, 255, 0.06);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border: 1px solid rgba(255, 255, 255, 0.10);
            border-radius: var(--radius-card);
            padding: 34px;
            box-shadow: var(--shadow-card);
            width: 100%;
            max-width: 400px;
            margin-left: auto;
            position: relative;
            z-index: 2;
        }
        .login-card-header {
            text-align: center;
            margin-bottom: 28px;
        }
        .login-card-header h2 {
            color: var(--text-title);
            font-size: 24px;
            font-weight: 700;
            margin-bottom: 6px;
        }
        .login-card-header p {
            color: var(--text-muted);
            font-size: 14px;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            font-size: 13px;
            color: var(--text-muted);
            margin-bottom: 6px;
            font-weight: 500;
        }
        .form-group input {
            width: 100%;
            height: 44px;
            background: rgba(0, 0, 0, 0.2);
            border: 1px solid rgba(255, 255, 255, 0.10);
            border-radius: var(--radius-btn);
            padding: 0 14px;
            color: var(--text-title);
            transition: border-color 0.3s ease, box-shadow 0.3s ease;
        }
        .form-group input:focus {
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(46, 140, 255, 0.15);
        }
        .form-group input.error {
            border-color: #E5484D;
        }
        .form-group .error-msg {
            display: none;
            color: #E5484D;
            font-size: 12px;
            margin-top: 4px;
        }
        .form-group input.error+.error-msg {
            display: block;
        }
        .form-row {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 20px;
            font-size: 13px;
        }
        .form-row label {
            display: flex;
            align-items: center;
            gap: 6px;
            color: var(--text-muted);
            cursor: pointer;
        }
        .form-row input[type="checkbox"] {
            width: 16px;
            height: 16px;
            accent-color: var(--accent);
        }
        .form-row a {
            color: var(--accent);
            font-size: 13px;
        }
        .form-row a:hover {
            text-decoration: underline;
        }
        .login-card-tip {
            text-align: center;
            margin-top: 16px;
            font-size: 13px;
            color: var(--text-muted);
        }
        .login-card-tip a {
            color: var(--accent);
        }
        .login-card-tip a:hover {
            text-decoration: underline;
        }

        /* ======= 卖点区 ======= */
        .features-section {
            padding: 80px 0;
            background: var(--primary);
            position: relative;
        }
        .section-header {
            text-align: center;
            margin-bottom: 50px;
        }
        .section-header .section-tag {
            display: inline-block;
            padding: 4px 14px;
            background: rgba(46, 140, 255, 0.1);
            border: 1px solid rgba(46, 140, 255, 0.2);
            color: var(--accent);
            font-size: 13px;
            border-radius: 999px;
            margin-bottom: 16px;
            letter-spacing: 0.5px;
        }
        .section-header h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--text-title);
            line-height: 1.3;
        }
        .section-header p {
            color: var(--text-muted);
            font-size: 15px;
            margin-top: 12px;
            max-width: 600px;
            margin-left: auto;
            margin-right: auto;
        }
        .features-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }
        .feature-card {
            background: var(--card-bg);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 32px;
            transition: all 0.3s ease;
            position: relative;
            overflow: hidden;
        }
        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 3px;
            height: 0;
            background: var(--accent);
            transition: height 0.3s ease;
        }
        .feature-card:hover {
            background: rgba(255, 255, 255, 0.08);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-4px);
            border-color: rgba(46, 140, 255, 0.3);
        }
        .feature-card:hover::before {
            height: 100%;
        }
        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 12px;
            background: linear-gradient(135deg, rgba(46, 140, 255, 0.2), rgba(46, 140, 255, 0.05));
            border: 1px solid rgba(46, 140, 255, 0.3);
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
            color: var(--accent);
            font-size: 22px;
        }
        .feature-card h3 {
            color: var(--text-title);
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .feature-card p {
            color: var(--text-body);
            font-size: 14px;
            line-height: 1.7;
        }

        /* ======= 图墙 ======= */
        .gallery-section {
            padding: 80px 0;
            background: var(--primary-light);
        }
        .masonry-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            grid-auto-rows: 220px;
            gap: 16px;
        }
        .masonry-item {
            position: relative;
            border-radius: 12px;
            overflow: hidden;
            cursor: pointer;
            grid-row: span 1;
        }
        .masonry-item:nth-child(1) {
            grid-column: span 2;
            grid-row: span 2;
        }
        .masonry-item:nth-child(4) {
            grid-column: span 2;
        }
        .masonry-item:nth-child(5) {
            grid-row: span 2;
        }
        .masonry-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .masonry-item:hover img {
            transform: scale(1.05);
        }
        .masonry-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, transparent 40%, rgba(0, 0, 0, 0.7) 100%);
            display: flex;
            align-items: flex-end;
            padding: 16px;
            opacity: 0;
            transition: opacity 0.3s ease;
        }
        .masonry-item:hover .masonry-overlay {
            opacity: 1;
        }
        .masonry-overlay span {
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            background: rgba(0, 0, 0, 0.4);
            padding: 4px 12px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.2);
        }

        /* ======= CTA区 ======= */
        .cta-section {
            padding: 100px 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            position: relative;
            text-align: center;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(11, 27, 43, 0.9) 0%, rgba(11, 27, 43, 0.75) 50%, rgba(11, 27, 43, 0.9) 100%);
        }
        .cta-content {
            position: relative;
            z-index: 2;
            max-width: 640px;
            margin: 0 auto;
        }
        .cta-content h2 {
            color: var(--text-title);
            font-size: 34px;
            font-weight: 800;
            margin-bottom: 16px;
            line-height: 1.3;
        }
        .cta-content p {
            color: var(--text-body);
            font-size: 16px;
            margin-bottom: 32px;
        }
        .cta-btn-wrap {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 20px;
        }
        .cta-disclaimer {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 16px;
        }

        /* ======= FAQ ======= */
        .faq-section {
            padding: 80px 0;
            background: var(--primary);
        }
        .faq-list {
            max-width: 800px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 14px;
        }
        .faq-item {
            background: var(--card-bg);
            backdrop-filter: blur(12px);
            border: 1px solid var(--border);
            border-radius: 12px;
            transition: all 0.3s ease;
            overflow: hidden;
        }
        .faq-item:hover {
            border-color: rgba(46, 140, 255, 0.3);
            box-shadow: 0 4px 20px rgba(0, 0, 0, 0.2);
        }
        .faq-item.open {
            border-left: 3px solid var(--accent);
            background: rgba(255, 255, 255, 0.08);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 18px 24px;
            background: transparent;
            color: var(--text-title);
            font-size: 16px;
            font-weight: 600;
            cursor: pointer;
            text-align: left;
            transition: all 0.3s ease;
            min-height: 56px;
        }
        .faq-question:hover {
            color: var(--accent);
        }
        .faq-question:focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: -2px;
            border-radius: 12px;
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            display: flex;
            align-items: center;
            justify-content: center;
            border-radius: 50%;
            background: rgba(46, 140, 255, 0.1);
            border: 1px solid rgba(46, 140, 255, 0.3);
            color: var(--accent);
            font-size: 16px;
            font-weight: 600;
            flex-shrink: 0;
            transition: transform 0.3s ease;
            margin-left: 16px;
        }
        .faq-item.open .faq-icon {
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.4s ease, padding 0.3s ease;
            color: var(--text-body);
            font-size: 14px;
            line-height: 1.8;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
            padding: 0 24px 20px;
        }

        /* ======= 最新动态 ======= */
        .news-section {
            padding: 80px 0;
            background: var(--primary-light);
        }
        .news-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 36px;
            flex-wrap: wrap;
            gap: 16px;
        }
        .news-header h2 {
            color: var(--text-title);
            font-size: 28px;
            font-weight: 700;
        }
        .news-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--accent);
            font-size: 14px;
            font-weight: 500;
            padding: 8px 16px;
            border: 1px solid rgba(46, 140, 255, 0.3);
            border-radius: 999px;
            transition: all 0.3s ease;
        }
        .news-more:hover {
            background: rgba(46, 140, 255, 0.1);
            border-color: var(--accent);
            color: var(--accent-hover);
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 16px;
        }
        .news-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-card);
            padding: 16px;
            transition: all 0.3s ease;
        }
        .news-item:hover {
            background: rgba(255, 255, 255, 0.08);
            border-color: rgba(46, 140, 255, 0.4);
            box-shadow: var(--shadow-card-hover);
            transform: translateY(-2px);
        }
        .news-thumb {
            width: 120px;
            height: 80px;
            flex-shrink: 0;
            border-radius: 8px;
            overflow: hidden;
            background: var(--primary);
        }
        .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.4s ease;
        }
        .news-item:hover .news-thumb img {
            transform: scale(1.05);
        }
        .news-content {
            flex: 1;
            min-width: 0;
        }
        .news-content h3 {
            color: var(--text-title);
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 6px;
            transition: color 0.3s ease;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }
        .news-item:hover .news-content h3 {
            color: var(--accent);
        }
        .news-content p {
            color: var(--text-body);
            font-size: 14px;
            line-height: 1.6;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 8px;
        }
        .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
        }
        .news-tag {
            display: inline-flex;
            align-items: center;
            padding: 2px 10px;
            background: rgba(46, 140, 255, 0.1);
            border: 1px solid rgba(46, 140, 255, 0.25);
            color: var(--accent);
            font-size: 12px;
            border-radius: 999px;
            font-weight: 500;
        }
        .news-date {
            color: var(--text-muted);
            font-size: 13px;
        }
        .empty-state {
            text-align: center;
            padding: 40px 20px;
            color: var(--text-muted);
            font-size: 15px;
            background: var(--card-bg);
            border: 1px dashed var(--border);
            border-radius: var(--radius-card);
        }

        /* ======= 页脚 ======= */
        .footer {
            background: var(--deep);
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 60px 0 0;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 40px;
        }
        .footer-brand .logo-wrap {
            margin-bottom: 14px;
        }
        .footer-brand p {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.7;
            max-width: 320px;
        }
        .footer-col h4 {
            color: var(--text-title);
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 8px;
        }
        .footer-col h4::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 2px;
            background: var(--accent);
            border-radius: 2px;
        }
        .footer-col a {
            display: block;
            padding: 6px 0;
            color: var(--text-muted);
            font-size: 14px;
            transition: all 0.3s ease;
        }
        .footer-col a:hover {
            color: var(--accent);
            padding-left: 4px;
        }
        .footer-col p {
            color: var(--text-muted);
            font-size: 14px;
            margin-bottom: 8px;
            display: flex;
            align-items: flex-start;
            gap: 8px;
        }
        .footer-col p i {
            color: var(--accent);
            margin-top: 4px;
            width: 16px;
            flex-shrink: 0;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.06);
            padding: 20px 0;
            text-align: center;
            color: var(--text-muted);
            font-size: 13px;
        }

        /* ======= 响应式 ======= */
        @media (max-width: 1023px) {
            .nav-menu {
                display: none;
            }
            .hamburger-btn {
                display: flex;
            }
            .countdown-badge {
                display: none;
            }
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 40px;
            }
            .login-card {
                margin: 0 auto;
            }
            .masonry-grid {
                grid-template-columns: repeat(3, 1fr);
                grid-auto-rows: 200px;
            }
            .masonry-item:nth-child(1) {
                grid-column: span 2;
                grid-row: span 2;
            }
            .masonry-item:nth-child(4) {
                grid-column: span 2;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .footer-brand {
                grid-column: 1 / -1;
            }
        }
        @media (max-width: 767px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }
            .logo-text {
                font-size: 17px;
            }
            .hero-section {
                padding: 70px 0 50px;
            }
            .hero-title {
                font-size: 28px;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .features-section {
                padding: 50px 0;
            }
            .section-header h2 {
                font-size: 24px;
            }
            .masonry-grid {
                grid-template-columns: repeat(2, 1fr);
                grid-auto-rows: 160px;
            }
            .masonry-item:nth-child(1) {
                grid-column: span 2;
                grid-row: span 2;
            }
            .masonry-item:nth-child(4) {
                grid-column: span 1;
            }
            .masonry-item:nth-child(5) {
                grid-row: span 1;
            }
            .cta-section {
                padding: 60px 0;
                background-attachment: scroll;
            }
            .cta-content h2 {
                font-size: 24px;
            }
            .faq-section {
                padding: 50px 0;
            }
            .faq-question {
                font-size: 15px;
                padding: 16px;
            }
            .news-section {
                padding: 50px 0;
            }
            .news-item {
                flex-direction: column;
                padding: 14px;
            }
            .news-thumb {
                width: 100%;
                height: 140px;
            }
            .news-content h3 {
                white-space: normal;
                overflow: visible;
                text-overflow: clip;
            }
            .countdown-digits .digit {
                padding: 4px 8px;
                font-size: 15px;
            }
            .countdown-digits .sep {
                font-size: 13px;
            }
            .countdown-header-text {
                display: none;
            }
            .countdown-bar-inner {
                justify-content: center;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 30px;
            }
            .footer-brand {
                grid-column: auto;
            }
            .footer {
                padding-top: 40px;
            }
            .hero-btns {
                flex-direction: column;
                width: 100%;
            }
            .hero-btns .btn-primary,
            .hero-btns .btn-outline {
                width: 100%;
            }
            .login-card {
                padding: 24px;
            }
        }
        @media (max-width: 520px) {
            .header-cta .btn-sm {
                padding: 8px 12px;
                font-size: 13px;
            }
            .hero-title {
                font-size: 24px;
            }
            .hero-subtitle {
                font-size: 14px;
            }
            .feature-card {
                padding: 24px;
            }
            .section-header p {
                font-size: 14px;
            }
            .countdown-badge {
                display: none;
            }
            .masonry-grid {
                grid-auto-rows: 120px;
            }
        }

        /* 无障碍焦点 */
        :focus-visible {
            outline: 2px solid var(--accent);
            outline-offset: 2px;
        }

/* roulang page: category1 */
:root {
    --primary: #0B1B2B;
    --primary-light: #0E2238;
    --accent: #2E8CFF;
    --gold: #F5B942;
    --text-main: #C8D3E0;
    --text-title: #F0F4F8;
    --text-dim: #7B8A9B;
    --card-bg: rgba(255,255,255,0.06);
    --card-border: rgba(255,255,255,0.10);
    --radius-card: 16px;
    --radius-btn: 8px;
    --shadow-card: 0 8px 32px rgba(0,0,0,0.25);
    --shadow-hover: 0 12px 40px rgba(0,0,0,0.35);
    --glow-btn: 0 0 20px rgba(46,140,255,0.4), 0 4px 12px rgba(46,140,255,0.2);
    --glow-btn-hover: 0 0 30px rgba(46,140,255,0.6), 0 6px 20px rgba(46,140,255,0.3);
  }

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

  html {
    scroll-behavior: smooth;
  }

  body {
    font-family: 'system-ui', '-apple-system', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    background: linear-gradient(180deg, #0B1B2B 0%, #0E2238 100%);
    color: #C8D3E0;
    line-height: 1.8;
    font-size: 16px;
    min-height: 100vh;
  }

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

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

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

  .container {
    max-width: 1200px;
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
  }

  /* ============ 导航 ============ */
  .site-header {
    position: fixed;
    top: 0;
    left: 0;
    right: 0;
    z-index: 100;
    height: 64px;
    background: rgba(11, 27, 43, 0.85);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    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, 27, 43, 0.95);
    box-shadow: 0 4px 30px rgba(0,0,0,0.3);
  }

  .header-inner {
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
    height: 64px;
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
  }

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

  .logo-icon {
    display: flex;
    align-items: center;
    justify-content: center;
    width: 34px;
    height: 34px;
  }

  .logo-icon svg {
    width: 34px;
    height: 34px;
  }

  .logo-text {
    font-size: 20px;
    font-weight: 800;
    color: #F0F4F8;
    letter-spacing: 1px;
    white-space: nowrap;
  }

  .logo-text span {
    color: #F5B942;
  }

  .nav-menu {
    display: flex;
    align-items: center;
    gap: 4px;
    list-style: none;
  }

  .nav-link {
    display: inline-block;
    padding: 8px 16px;
    font-size: 15px;
    font-weight: 500;
    color: #C8D3E0;
    border-radius: 8px;
    position: relative;
    transition: color 0.2s ease, background 0.2s ease;
  }

  .nav-link:hover {
    color: #F0F4F8;
    background: rgba(255,255,255,0.06);
  }

  .nav-link:focus-visible {
    outline: 2px solid #2E8CFF;
    outline-offset: 2px;
  }

  .nav-link.active {
    color: #2E8CFF;
    font-weight: 600;
  }

  .nav-link.active::after {
    content: '';
    position: absolute;
    bottom: 2px;
    left: 16px;
    right: 16px;
    height: 2px;
    background: #2E8CFF;
    border-radius: 2px;
  }

  .header-right {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
  }

  .countdown-badge {
    font-family: 'SF Mono', 'Roboto Mono', monospace;
    font-size: 13px;
    color: #F5B942;
    background: rgba(245, 185, 66, 0.1);
    border: 1px solid rgba(245, 185, 66, 0.25);
    padding: 6px 12px;
    border-radius: 999px;
    white-space: nowrap;
    letter-spacing: 0.5px;
  }

  .countdown-badge i {
    margin-right: 6px;
    font-size: 12px;
  }

  .btn-login-header {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 40px;
    padding: 0 20px;
    background: linear-gradient(135deg, #2E8CFF, #1E6FD9);
    color: #fff;
    font-size: 14px;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    box-shadow: 0 0 20px rgba(46,140,255,0.35);
    transition: all 0.2s ease;
    white-space: nowrap;
  }

  .btn-login-header:hover {
    background: linear-gradient(135deg, #3998FF, #2878E8);
    box-shadow: 0 0 30px rgba(46,140,255,0.55);
    transform: translateY(-1px);
  }

  .btn-login-header:active {
    transform: translateY(1px);
  }

  .btn-login-header:focus-visible {
    outline: 2px solid #fff;
    outline-offset: 2px;
  }

  .menu-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    width: 40px;
    height: 40px;
    background: transparent;
    border: 1px solid rgba(255,255,255,0.15);
    border-radius: 8px;
    cursor: pointer;
    padding: 8px;
  }

  .menu-toggle span {
    display: block;
    height: 2px;
    background: #F0F4F8;
    border-radius: 2px;
    transition: all 0.3s ease;
  }

  .menu-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .menu-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .menu-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  .mobile-menu {
    display: none;
    position: fixed;
    top: 64px;
    left: 0;
    right: 0;
    background: rgba(11, 27, 43, 0.98);
    backdrop-filter: blur(20px);
    padding: 24px;
    border-bottom: 1px solid rgba(255,255,255,0.08);
    z-index: 99;
    flex-direction: column;
    gap: 8px;
  }

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

  .mobile-menu a {
    display: block;
    padding: 14px 16px;
    font-size: 16px;
    color: #C8D3E0;
    border-radius: 10px;
    transition: background 0.2s ease, color 0.2s ease;
  }

  .mobile-menu a:hover {
    background: rgba(46,140,255,0.1);
    color: #F0F4F8;
  }

  .mobile-menu a.active {
    color: #2E8CFF;
    font-weight: 600;
    background: rgba(46,140,255,0.08);
  }

  .mobile-menu .btn-login-mobile {
    margin-top: 16px;
    display: flex;
    align-items: center;
    justify-content: center;
    height: 48px;
    background: linear-gradient(135deg, #2E8CFF, #1E6FD9);
    color: #fff;
    font-size: 16px;
    font-weight: 600;
    border-radius: 10px;
    box-shadow: 0 0 20px rgba(46,140,255,0.35);
  }

  /* ============ 页面横幅 ============ */
  .page-hero {
    position: relative;
    padding: 120px 0 60px;
    background: linear-gradient(180deg, rgba(11,27,43,0.9), rgba(14,34,56,0.95)), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    overflow: hidden;
  }

  .page-hero::before {
    content: '';
    position: absolute;
    top: -80px;
    right: -80px;
    width: 400px;
    height: 400px;
    background: radial-gradient(circle, rgba(46,140,255,0.15), transparent 70%);
    border-radius: 50%;
    pointer-events: none;
  }

  .page-hero .container {
    position: relative;
    z-index: 1;
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 32px;
    flex-wrap: wrap;
  }

  .page-hero-title-wrap {
    max-width: 640px;
  }

  .page-hero-title {
    display: flex;
    align-items: flex-start;
    gap: 16px;
  }

  .page-hero-title .bar {
    width: 4px;
    height: 48px;
    background: linear-gradient(180deg, #2E8CFF, #F5B942);
    border-radius: 4px;
    flex-shrink: 0;
    margin-top: 8px;
  }

  .page-hero-title h1 {
    font-size: 40px;
    font-weight: 800;
    color: #F0F4F8;
    line-height: 1.3;
    letter-spacing: 1px;
  }

  .page-hero-desc {
    margin-top: 20px;
    font-size: 16px;
    color: #C8D3E0;
    line-height: 1.8;
    max-width: 560px;
  }

  .page-hero-status {
    display: flex;
    gap: 16px;
    margin-top: 24px;
    flex-wrap: wrap;
  }

  .status-pill {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(245,185,66,0.12);
    border: 1px solid rgba(245,185,66,0.3);
    color: #F5B942;
    padding: 6px 16px;
    border-radius: 999px;
    font-size: 13px;
    font-weight: 500;
  }

  .status-pill i {
    font-size: 10px;
  }

  .hero-card {
    background: rgba(255,255,255,0.06);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.1);
    border-radius: 16px;
    padding: 32px;
    width: 340px;
    box-shadow: 0 8px 32px rgba(0,0,0,0.25);
  }

  .hero-card .card-label {
    font-size: 13px;
    color: #7B8A9B;
    text-transform: uppercase;
    letter-spacing: 1px;
    margin-bottom: 8px;
  }

  .hero-card .card-time {
    font-family: 'SF Mono', 'Roboto Mono', monospace;
    font-size: 32px;
    font-weight: 700;
    color: #F5B942;
    letter-spacing: 2px;
  }

  .hero-card .card-note {
    margin-top: 12px;
    font-size: 14px;
    color: #C8D3E0;
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-top: 12px;
  }

  /* ============ 数据栏 ============ */
  .stats-bar {
    padding: 40px 0;
    border-bottom: 1px solid rgba(255,255,255,0.06);
    background: rgba(255,255,255,0.02);
  }

  .stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 32px;
  }

  .stat-item {
    text-align: center;
    padding: 24px 16px;
    background: rgba(255,255,255,0.03);
    border: 1px solid rgba(255,255,255,0.06);
    border-radius: 16px;
  }

  .stat-item .num {
    font-family: 'SF Mono', 'Roboto Mono', monospace;
    font-size: 32px;
    font-weight: 700;
    color: #F0F4F8;
    line-height: 1.2;
  }

  .stat-item .num span {
    color: #2E8CFF;
  }

  .stat-item .label {
    margin-top: 8px;
    font-size: 14px;
    color: #7B8A9B;
  }

  /* ============ 内容卡片网格 ============ */
  .content-section {
    padding: 80px 0;
  }

  .section-head {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    margin-bottom: 40px;
    flex-wrap: wrap;
  }

  .section-head h2 {
    font-size: 30px;
    font-weight: 700;
    color: #F0F4F8;
    position: relative;
    padding-left: 16px;
  }

  .section-head h2::before {
    content: '';
    position: absolute;
    left: 0;
    top: 50%;
    transform: translateY(-50%);
    width: 4px;
    height: 28px;
    background: linear-gradient(180deg, #2E8CFF, #F5B942);
    border-radius: 2px;
  }

  .section-head .sub {
    font-size: 14px;
    color: #7B8A9B;
  }

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

  .article-card {
    background: rgba(255,255,255,0.06);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.10);
    border-radius: 16px;
    overflow: hidden;
    transition: transform 0.3s ease, box-shadow 0.3s ease, border-color 0.3s ease;
    box-shadow: 0 8px 32px rgba(0,0,0,0.25);
  }

  .article-card:hover {
    transform: translateY(-4px);
    box-shadow: 0 12px 40px rgba(0,0,0,0.35);
    border-color: rgba(46,140,255,0.4);
  }

  .article-card:focus-within {
    outline: 2px solid #2E8CFF;
    outline-offset: 2px;
  }

  .article-card .thumb {
    position: relative;
    aspect-ratio: 16 / 10;
    overflow: hidden;
    background: linear-gradient(135deg, #0E2238, #1A3A5C);
  }

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

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

  .article-card .thumb .tag {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(11,27,43,0.85);
    border: 1px solid rgba(245,185,66,0.4);
    color: #F5B942;
    font-size: 12px;
    padding: 2px 10px;
    border-radius: 999px;
    backdrop-filter: blur(8px);
    font-weight: 500;
  }

  .article-card .body {
    padding: 20px;
  }

  .article-card .meta {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 13px;
    color: #7B8A9B;
    margin-bottom: 10px;
  }

  .article-card .meta .dot {
    width: 3px;
    height: 3px;
    background: #7B8A9B;
    border-radius: 50%;
  }

  .article-card h3 {
    font-size: 18px;
    font-weight: 600;
    color: #F0F4F8;
    line-height: 1.5;
    margin-bottom: 10px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    transition: color 0.2s ease;
  }

  .article-card h3 a:hover {
    color: #2E8CFF;
  }

  .article-card .excerpt {
    font-size: 14px;
    color: #C8D3E0;
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 12px;
  }

  .article-card .read-more {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    color: #2E8CFF;
    font-weight: 500;
    transition: gap 0.2s ease;
  }

  .article-card .read-more:hover {
    gap: 10px;
    color: #5CA8FF;
  }

  .article-card .read-more:focus-visible {
    outline: 2px solid #2E8CFF;
    outline-offset: 2px;
    border-radius: 4px;
  }

  /* ============ 分页条 ============ */
  .pagination {
    display: flex;
    justify-content: center;
    align-items: center;
    gap: 8px;
    margin-top: 48px;
  }

  .pagination a, .pagination span {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    min-width: 42px;
    height: 42px;
    padding: 0 12px;
    font-size: 15px;
    font-weight: 500;
    color: #C8D3E0;
    background: rgba(255,255,255,0.05);
    border: 1px solid rgba(255,255,255,0.08);
    border-radius: 8px;
    transition: all 0.2s ease;
  }

  .pagination a:hover {
    background: rgba(46,140,255,0.12);
    border-color: rgba(46,140,255,0.4);
    color: #fff;
  }

  .pagination a:focus-visible {
    outline: 2px solid #2E8CFF;
    outline-offset: 2px;
  }

  .pagination .current {
    background: linear-gradient(135deg, #2E8CFF, #1E6FD9);
    color: #fff;
    border-color: transparent;
    box-shadow: 0 0 20px rgba(46,140,255,0.3);
  }

  .pagination .prev, .pagination .next {
    font-size: 14px;
  }

  .pagination .dots {
    min-width: auto;
    background: transparent;
    border: none;
  }

  /* ============ FAQ ============ */
  .faq-section {
    padding: 80px 0;
    background: rgba(255,255,255,0.02);
    border-top: 1px solid rgba(255,255,255,0.06);
    border-bottom: 1px solid rgba(255,255,255,0.06);
  }

  .faq-grid {
    max-width: 860px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 12px;
  }

  .faq-item {
    background: rgba(255,255,255,0.06);
    backdrop-filter: blur(12px);
    border: 1px solid rgba(255,255,255,0.10);
    border-radius: 12px;
    overflow: hidden;
    transition: border-color 0.3s ease, box-shadow 0.3s ease;
  }

  .faq-item.open {
    border-color: rgba(46,140,255,0.5);
    box-shadow: 0 4px 24px rgba(46,140,255,0.08);
  }

  .faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    width: 100%;
    padding: 16px 20px;
    background: transparent;
    border: none;
    font-size: 16px;
    font-weight: 600;
    color: #F0F4F8;
    text-align: left;
    cursor: pointer;
    min-height: 52px;
    transition: color 0.2s ease;
  }

  .faq-question:hover {
    color: #2E8CFF;
  }

  .faq-question:focus-visible {
    outline: 2px solid #2E8CFF;
    outline-offset: -2px;
    border-radius: 12px;
  }

  .faq-question .icon {
    flex-shrink: 0;
    width: 24px;
    height: 24px;
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: #7B8A9B;
    transition: transform 0.3s ease, color 0.3s ease;
  }

  .faq-item.open .faq-question .icon {
    transform: rotate(45deg);
    color: #2E8CFF;
  }

  .faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height 0.4s ease, padding 0.3s ease;
    font-size: 15px;
    line-height: 1.8;
    color: #C8D3E0;
    padding: 0 20px;
  }

  .faq-item.open .faq-answer {
    max-height: 300px;
    padding: 0 20px 20px;
  }

  /* ============ CTA 区块 ============ */
  .cta-section {
    padding: 100px 0;
    position: relative;
    background: linear-gradient(135deg, rgba(11,27,43,0.92), rgba(14,34,56,0.88)), url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
    text-align: center;
  }

  .cta-section::before {
    content: '';
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);
    width: 600px;
    height: 600px;
    background: radial-gradient(circle, rgba(46,140,255,0.1), transparent 70%);
    pointer-events: none;
  }

  .cta-section .container {
    position: relative;
    z-index: 1;
  }

  .cta-section h2 {
    font-size: 36px;
    font-weight: 800;
    color: #F0F4F8;
    margin-bottom: 16px;
  }

  .cta-section h2 span {
    color: #F5B942;
  }

  .cta-section p {
    font-size: 16px;
    color: #C8D3E0;
    max-width: 560px;
    margin: 0 auto 32px;
  }

  .cta-btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    height: 52px;
    padding: 0 40px;
    background: linear-gradient(135deg, #2E8CFF, #1E6FD9);
    color: #fff;
    font-size: 17px;
    font-weight: 600;
    border: none;
    border-radius: 8px;
    cursor: pointer;
    box-shadow: 0 0 20px rgba(46,140,255,0.4), 0 4px 12px rgba(46,140,255,0.2);
    transition: all 0.25s ease;
  }

  .cta-btn:hover {
    background: linear-gradient(135deg, #3998FF, #2878E8);
    box-shadow: 0 0 30px rgba(46,140,255,0.6), 0 6px 20px rgba(46,140,255,0.3);
    transform: translateY(-2px);
  }

  .cta-btn:active {
    transform: translateY(1px);
  }

  .cta-btn:focus-visible {
    outline: 2px solid #fff;
    outline-offset: 2px;
  }

  .cta-note {
    margin-top: 16px;
    font-size: 13px;
    color: #7B8A9B;
  }

  /* ============ 面包屑 ============ */
  .breadcrumb-bar {
    padding: 100px 0 0;
    font-size: 14px;
    color: #7B8A9B;
  }

  .breadcrumb-bar .container {
    display: flex;
    align-items: center;
    gap: 8px;
  }

  .breadcrumb-bar a {
    color: #7B8A9B;
    transition: color 0.2s ease;
  }

  .breadcrumb-bar a:hover {
    color: #2E8CFF;
  }

  .breadcrumb-bar .sep {
    color: #3A4A5C;
  }

  .breadcrumb-bar .current {
    color: #C8D3E0;
  }

  /* ============ 页脚 ============ */
  .footer {
    background: #081520;
    border-top: 1px solid rgba(255,255,255,0.08);
    padding-top: 60px;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.2fr 1fr 1fr;
    gap: 48px;
    padding-bottom: 40px;
  }

  .footer-brand p {
    font-size: 14px;
    color: #7B8A9B;
    line-height: 1.8;
    margin-top: 16px;
    max-width: 360px;
  }

  .footer-col h4 {
    font-size: 16px;
    font-weight: 600;
    color: #F0F4F8;
    margin-bottom: 16px;
  }

  .footer-col a {
    display: block;
    font-size: 14px;
    color: #7B8A9B;
    padding: 6px 0;
    transition: color 0.2s ease, padding-left 0.2s ease;
  }

  .footer-col a:hover {
    color: #2E8CFF;
    padding-left: 4px;
  }

  .footer-col a:focus-visible {
    outline: 2px solid #2E8CFF;
    outline-offset: 2px;
    border-radius: 4px;
  }

  .footer-col p {
    font-size: 14px;
    color: #7B8A9B;
    padding: 4px 0;
    display: flex;
    align-items: center;
    gap: 10px;
  }

  .footer-col p i {
    color: #2E8CFF;
    width: 16px;
    text-align: center;
  }

  .footer-bottom {
    border-top: 1px solid rgba(255,255,255,0.06);
    padding: 20px 0;
    text-align: center;
    font-size: 13px;
    color: #5A6B7A;
  }

  /* ============ 响应式 ============ */
  @media (max-width: 1023px) {
    .stats-grid {
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
    }

    .cards-grid {
      grid-template-columns: repeat(2, 1fr);
      gap: 16px;
    }

    .hero-card {
      width: 100%;
      max-width: 400px;
    }

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

  @media (max-width: 767px) {
    .container {
      padding-left: 16px;
      padding-right: 16px;
    }

    .nav-menu, .header-right .countdown-badge, .btn-login-header {
      display: none;
    }

    .menu-toggle {
      display: flex;
    }

    .page-hero {
      padding: 100px 0 40px;
    }

    .page-hero-title h1 {
      font-size: 30px;
    }

    .page-hero-desc {
      font-size: 15px;
    }

    .hero-card {
      padding: 24px;
    }

    .hero-card .card-time {
      font-size: 24px;
    }

    .stats-grid {
      grid-template-columns: 1fr 1fr;
      gap: 12px;
    }

    .stat-item {
      padding: 16px 12px;
    }

    .stat-item .num {
      font-size: 24px;
    }

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

    .content-section {
      padding: 50px 0;
    }

    .faq-section {
      padding: 50px 0;
    }

    .cta-section {
      padding: 60px 0;
    }

    .cta-section h2 {
      font-size: 26px;
    }

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

    .section-head .sub {
      font-size: 13px;
    }

    .footer-grid {
      grid-template-columns: 1fr;
      gap: 28px;
    }

    .breadcrumb-bar {
      padding: 90px 0 0;
      font-size: 13px;
    }

    .pagination a, .pagination span {
      min-width: 38px;
      height: 38px;
      font-size: 14px;
    }
  }

  @media (max-width: 520px) {
    .stats-grid {
      grid-template-columns: 1fr;
    }

    .page-hero-title h1 {
      font-size: 26px;
    }

    .page-hero-title .bar {
      height: 40px;
    }

    .hero-card .card-time {
      font-size: 20px;
    }
  }

/* roulang page: article */
:root {
            --bg-primary: #0B1B2B;
            --bg-secondary: #0E2238;
            --bg-footer: #081520;
            --primary: #2E8CFF;
            --primary-light: #4D9CFF;
            --accent: #F5B942;
            --accent-dark: #D98E1F;
            --text-title: #F0F4F8;
            --text-main: #C8D3E0;
            --text-muted: #7B8A9B;
            --bg-card: rgba(255,255,255,0.06);
            --border: rgba(255,255,255,0.10);
            --border-light: rgba(46,140,255,0.4);
            --radius: 16px;
            --radius-btn: 8px;
            --shadow-card: 0 8px 32px rgba(0,0,0,0.25);
            --shadow-hover: 0 12px 40px rgba(0,0,0,0.35);
            --glow: 0 0 20px rgba(46,140,255,0.4), 0 4px 12px rgba(46,140,255,0.2);
            --font-sans: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-mono: "SF Mono", "Roboto Mono", monospace;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-sans);
            background: linear-gradient(180deg, var(--bg-primary) 0%, var(--bg-secondary) 100%);
            color: var(--text-main);
            line-height: 1.8;
            min-height: 100vh;
            -webkit-font-smoothing: antialiased;
            text-align: left;
        }

        body::before {
            content: '';
            position: fixed;
            inset: 0;
            z-index: 0;
            pointer-events: none;
            background:
                radial-gradient(ellipse at top right, rgba(46, 140, 255, 0.10) 0%, transparent 55%),
                radial-gradient(ellipse at bottom left, rgba(245, 185, 66, 0.05) 0%, transparent 45%);
        }

        .container {
            width: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
        }

        a {
            color: inherit;
        }

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

        button,
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
            color: inherit;
        }

        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            height: 64px;
            background: rgba(11, 27, 43, 0.85);
            backdrop-filter: blur(20px);
            -webkit-backdrop-filter: blur(20px);
            border-bottom: 1px solid var(--border);
            z-index: 100;
        }

        .header-wrap {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 24px;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
        }

        .logo-wrap {
            display: flex;
            align-items: center;
            gap: 10px;
            text-decoration: none;
            flex-shrink: 0;
        }

        .logo-icon {
            display: flex;
            align-items: center;
        }

        .logo-icon svg {
            width: 32px;
            height: 32px;
        }

        .logo-text {
            font-size: 20px;
            font-weight: 800;
            color: var(--text-title);
            letter-spacing: 1px;
            line-height: 1.2;
        }

        .logo-text span {
            color: var(--accent);
        }

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

        .nav-link {
            display: inline-block;
            padding: 8px 16px;
            color: var(--text-main);
            text-decoration: none;
            font-size: 15px;
            border-radius: 8px;
            transition: all .2s ease;
            position: relative;
        }

        .nav-link:hover {
            color: var(--text-title);
            background: rgba(46, 140, 255, 0.12);
        }

        .nav-link:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .nav-link.active {
            color: var(--primary);
            font-weight: 600;
        }

        .nav-link.active::after {
            content: '';
            position: absolute;
            left: 16px;
            right: 16px;
            bottom: 0;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
        }

        .header-right {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .live-dot {
            display: inline-block;
            width: 8px;
            height: 8px;
            border-radius: 999px;
            background: #22C55E;
            box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.5);
            animation: pulse-dot 2s infinite;
        }

        @keyframes pulse-dot {
            0% {
                box-shadow: 0 0 0 0 rgba(34, 197, 94, 0.4);
            }
            70% {
                box-shadow: 0 0 0 8px rgba(34, 197, 94, 0);
            }
            100% {
                box-shadow: 0 0 0 0 rgba(34, 197, 94, 0);
            }
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            font-family: var(--font-sans);
            font-size: 15px;
            font-weight: 600;
            border: none;
            cursor: pointer;
            text-decoration: none;
            height: 44px;
            padding: 0 24px;
            border-radius: var(--radius-btn);
            transition: all .2s ease;
            white-space: nowrap;
        }

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

        .btn-primary {
            background: var(--primary);
            color: #fff;
            box-shadow: var(--glow);
        }

        .btn-primary:hover {
            background: var(--primary-light);
            box-shadow: 0 0 30px rgba(46, 140, 255, 0.6), 0 4px 16px rgba(46, 140, 255, 0.3);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(1px);
        }

        .btn-primary:disabled {
            opacity: 0.5;
            box-shadow: none;
            cursor: not-allowed;
        }

        .btn-outline {
            background: transparent;
            color: var(--text-title);
            border: 1px solid rgba(46, 140, 255, 0.6);
        }

        .btn-outline:hover {
            background: rgba(46, 140, 255, 0.15);
            border-color: var(--primary);
            transform: translateY(-1px);
        }

        .btn-outline:active {
            transform: translateY(1px);
        }

        .nav-cta {
            height: 40px;
            padding: 0 20px;
            font-size: 14px;
        }

        .mobile-cta {
            display: none;
        }

        .menu-toggle {
            display: none;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            background: rgba(46, 140, 255, 0.15);
            border: 1px solid rgba(46, 140, 255, 0.3);
            border-radius: 8px;
            color: var(--text-title);
            font-size: 16px;
            cursor: pointer;
            transition: background .2s ease;
        }

        .menu-toggle:hover {
            background: rgba(46, 140, 255, 0.25);
        }

        .menu-toggle:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .article-banner {
            position: relative;
            padding: 150px 0 90px;
            background-size: cover;
            background-position: center;
            background-color: var(--bg-secondary);
        }

        .article-banner::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(11, 27, 43, 0.88) 0%, rgba(11, 27, 43, 0.72) 50%, rgba(14, 34, 56, 0.96) 100%);
        }

        .article-banner::after {
            content: '';
            position: absolute;
            right: -120px;
            top: -100px;
            width: 420px;
            height: 420px;
            background: radial-gradient(circle, rgba(46, 140, 255, 0.16) 0%, transparent 68%);
            border-radius: 50%;
            pointer-events: none;
        }

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

        .banner-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(245, 185, 66, 0.14);
            border: 1px solid rgba(245, 185, 66, 0.38);
            color: var(--accent);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 14px;
            border-radius: 999px;
            margin-bottom: 18px;
        }

        .banner-badge i {
            font-size: 11px;
        }

        .breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            margin-bottom: 20px;
            font-size: 14px;
            color: var(--text-muted);
        }

        .breadcrumb a {
            color: var(--text-muted);
            text-decoration: none;
            transition: color .2s;
        }

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

        .breadcrumb-current {
            max-width: 260px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            color: var(--text-main);
        }

        .breadcrumb-sep {
            color: rgba(255, 255, 255, 0.25);
        }

        .article-title {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-title);
            margin-bottom: 18px;
            letter-spacing: 0.5px;
            text-align: left;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 24px;
            font-size: 14px;
            color: var(--text-muted);
        }

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

        .article-meta i {
            color: var(--accent);
            font-size: 13px;
        }

        .article-body-section {
            position: relative;
            padding: 48px 0 80px;
            z-index: 2;
        }

        .article-card {
            max-width: 900px;
            margin: 0 auto;
            background: var(--bg-card);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow-card);
            padding: 48px 56px;
        }

        .article-content {
            max-width: 720px;
            margin: 0 auto;
            color: var(--text-main);
            font-size: 16px;
            line-height: 1.8;
            text-align: left;
        }

        .article-content h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-title);
            margin: 36px 0 16px;
            padding-bottom: 10px;
            border-bottom: 1px solid var(--border);
        }

        .article-content h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--text-title);
            margin: 28px 0 12px;
        }

        .article-content p {
            margin-bottom: 18px;
        }

        .article-content blockquote {
            border-left: 3px solid var(--primary);
            background: rgba(46, 140, 255, 0.08);
            padding: 14px 18px;
            margin: 20px 0;
            border-radius: 0 8px 8px 0;
            color: var(--text-main);
        }

        .article-content ul,
        .article-content ol {
            margin: 16px 0 20px 24px;
        }

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

        .article-content img {
            max-width: 100%;
            border-radius: 12px;
            margin: 20px 0;
            height: auto;
        }

        .article-content a {
            color: var(--primary);
            text-decoration: none;
        }

        .article-content a:hover {
            text-decoration: underline;
        }

        .article-content code {
            background: rgba(255, 255, 255, 0.08);
            font-family: var(--font-mono);
            font-size: 13px;
            padding: 3px 8px;
            border-radius: 4px;
            color: #E5EBF1;
        }

        .article-content table {
            width: 100%;
            border-collapse: collapse;
            margin: 20px 0;
            font-size: 14px;
        }

        .article-content th,
        .article-content td {
            border: 1px solid var(--border);
            padding: 10px 14px;
            text-align: left;
        }

        .article-content th {
            background: rgba(46, 140, 255, 0.10);
            color: var(--text-title);
            font-weight: 600;
        }

        .article-empty {
            text-align: center;
            padding: 60px 24px;
        }

        .article-empty i {
            font-size: 48px;
            color: var(--text-muted);
            margin-bottom: 16px;
        }

        .article-empty h2 {
            color: var(--text-title);
            font-size: 26px;
            margin-bottom: 8px;
        }

        .article-empty p {
            margin-bottom: 24px;
            color: var(--text-muted);
        }

        .related-section {
            position: relative;
            padding: 60px 0 80px;
            z-index: 2;
        }

        .related-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-title);
            text-align: center;
            margin-bottom: 40px;
        }

        .related-title::after {
            content: '';
            display: block;
            width: 56px;
            height: 3px;
            background: var(--accent);
            margin: 12px auto 0;
            border-radius: 2px;
        }

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

        .related-card {
            display: block;
            background: var(--bg-card);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            text-decoration: none;
            color: var(--text-main);
            transition: all .25s ease;
            box-shadow: 0 4px 16px rgba(0, 0, 0, 0.18);
        }

        .related-card:hover {
            transform: translateY(-6px);
            border-color: var(--border-light);
            box-shadow: var(--shadow-hover);
        }

        .related-card:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
        }

        .related-card-img {
            width: 100%;
            height: 150px;
            object-fit: cover;
            transition: transform .3s ease;
        }

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

        .related-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--text-title);
            line-height: 1.5;
            margin-bottom: 8px;
            transition: color .2s;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .related-card:hover h3 {
            color: var(--primary);
        }

        .related-card span {
            font-size: 13px;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .related-card span i {
            font-size: 12px;
            color: var(--accent);
        }

        .related-body {
            padding: 16px 18px;
        }

        .article-back {
            text-align: center;
            margin-top: 40px;
        }

        .footer {
            background: var(--bg-footer);
            border-top: 1px solid var(--border);
            padding-top: 64px;
            position: relative;
            z-index: 2;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.6fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 44px;
        }

        .footer-brand p {
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.8;
            margin-top: 16px;
            max-width: 360px;
        }

        .footer-col h4 {
            color: var(--text-title);
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .footer-col a {
            display: block;
            color: var(--text-muted);
            text-decoration: none;
            font-size: 14px;
            margin-bottom: 10px;
            transition: color .2s;
        }

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

        .footer-col a:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 2px;
            border-radius: 4px;
        }

        .footer-col p {
            color: var(--text-muted);
            font-size: 14px;
            margin-bottom: 10px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-col p i {
            color: var(--accent);
            width: 16px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            text-align: center;
            color: var(--text-muted);
            font-size: 13px;
        }

        @media (max-width: 1023px) {
            .related-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .related-card:last-child {
                grid-column: span 2;
            }
            .footer-grid {
                gap: 36px;
            }
        }

        @media (max-width: 768px) {
            .container {
                padding: 0 16px;
            }

            .site-header {
                height: 60px;
            }

            .header-wrap {
                padding: 0 16px;
            }

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

            .nav-menu {
                position: fixed;
                top: 60px;
                left: 0;
                right: 0;
                background: rgba(11, 27, 43, 0.98);
                flex-direction: column;
                align-items: stretch;
                padding: 16px 20px 24px;
                gap: 4px;
                transform: translateY(-150%);
                transition: transform .3s ease;
                border-bottom: 1px solid rgba(46, 140, 255, 0.2);
                box-shadow: 0 20px 40px rgba(0, 0, 0, 0.4);
                z-index: 99;
            }

            .nav-menu.open {
                transform: translateY(0);
            }

            .nav-link {
                padding: 12px 10px;
                font-size: 16px;
                border-radius: 8px;
            }

            .nav-link.active::after {
                display: none;
            }

            .nav-cta {
                display: none;
            }

            .menu-toggle {
                display: flex;
            }

            .mobile-cta {
                display: flex;
                margin-top: 14px;
                width: 100%;
            }

            .article-banner {
                padding: 130px 0 60px;
            }

            .article-title {
                font-size: 30px;
            }

            .article-meta {
                gap: 14px;
                font-size: 13px;
                flex-direction: column;
                gap: 6px;
            }

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

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

            .article-content h2 {
                font-size: 24px;
            }

            .article-content h3 {
                font-size: 18px;
            }

            .related-section {
                padding: 50px 0 60px;
            }

            .related-title {
                font-size: 24px;
            }

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

            .related-card:last-child {
                grid-column: auto;
            }

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

            .footer-brand p {
                max-width: 100%;
            }
        }

        @media (max-width: 520px) {
            .logo-icon svg {
                width: 28px;
                height: 28px;
            }

            .logo-text {
                font-size: 17px;
            }

            .btn {
                padding: 0 18px;
            }

            .article-title {
                font-size: 26px;
            }

            .related-card-img {
                height: 140px;
            }
        }