/* roulang page: index */
:root {
            --primary: #1E5E7E;
            --primary-hover: #174A64;
            --secondary: #5B8C5A;
            --accent: #E8A93A;
            --bg: #F5F7F9;
            --card-bg: #FFFFFF;
            --text: #1F2937;
            --text-muted: #6B7280;
            --border: #E5E7EB;
            --footer-bg: #14222B;
            --footer-text: #9CA3AF;
            --radius: 12px;
            --radius-btn: 8px;
            --radius-badge: 16px;
            --shadow-sm: 0 1px 3px rgba(30, 94, 126, 0.08);
            --shadow-md: 0 8px 24px rgba(30, 94, 126, 0.14);
            --shadow-nav: 0 1px 4px rgba(0, 0, 0, 0.06);
            --shadow-form: 0 12px 32px rgba(30, 94, 126, 0.12);
            --transition: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            font-size: 16px;
            line-height: 1.75;
            color: var(--text);
            background-color: var(--bg);
            -webkit-font-smoothing: antialiased;
            overflow-x: hidden;
        }

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

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

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

        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        .section {
            padding: 80px 0;
        }

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

        .section-head .section-subtitle {
            display: inline-block;
            background: rgba(30, 94, 126, 0.08);
            color: var(--primary);
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 1px;
            padding: 4px 14px;
            border-radius: var(--radius-badge);
            margin-bottom: 14px;
        }

        .section-head h2 {
            font-size: 28px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 10px;
            color: var(--text);
        }

        .section-head p {
            color: var(--text-muted);
            font-size: 15px;
            max-width: 640px;
            margin: 0 auto;
        }

        h1,
        h2,
        h3,
        h4 {
            font-weight: 700;
            line-height: 1.4;
        }

        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-weight: 600;
            font-size: 15px;
            line-height: 1;
            border: 1px solid transparent;
            cursor: pointer;
            transition: var(--transition);
            white-space: nowrap;
        }

        .btn-primary {
            background: var(--primary);
            color: #fff;
            border-color: var(--primary);
            box-shadow: 0 4px 14px rgba(30, 94, 126, 0.2);
        }

        .btn-primary:hover {
            background: var(--primary-hover);
            border-color: var(--primary-hover);
            box-shadow: 0 8px 24px rgba(30, 94, 126, 0.28);
            transform: translateY(-2px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(30, 94, 126, 0.2);
        }

        .btn-ghost {
            background: transparent;
            color: var(--primary);
            border-color: var(--primary);
        }

        .btn-ghost:hover {
            background: rgba(30, 94, 126, 0.05);
            border-color: var(--primary-hover);
            color: var(--primary-hover);
            transform: translateY(-2px);
        }

        .btn-ghost:active {
            transform: translateY(0);
        }

        .btn-accent {
            background: var(--accent);
            color: #1F2937;
            border-color: var(--accent);
            box-shadow: 0 4px 14px rgba(232, 169, 58, 0.25);
        }

        .btn-accent:hover {
            background: #d99a2a;
            border-color: #d99a2a;
            color: #1F2937;
            transform: translateY(-2px);
        }

        .btn:focus-visible,
        .form-control:focus-visible,
        .form-select:focus-visible {
            outline: none;
            box-shadow: 0 0 0 3px rgba(30, 94, 126, 0.18) !important;
        }

        .badge-primary {
            background: rgba(30, 94, 126, 0.1);
            color: var(--primary);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-badge);
            display: inline-block;
        }

        .badge-accent {
            background: rgba(232, 169, 58, 0.15);
            color: #a06b00;
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-badge);
            display: inline-block;
        }

        /* ===== Header & Nav ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            width: 100%;
            height: 72px;
            background: #fff;
            border-bottom: 1px solid rgba(229, 231, 235, 0.6);
            box-shadow: var(--shadow-nav);
            z-index: 1000;
            transition: var(--transition);
        }

        .site-header.scrolled {
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
            background: rgba(255, 255, 255, 0.97);
            backdrop-filter: blur(10px);
        }

        .site-header .container {
            height: 72px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
        }

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

        .brand-icon {
            width: 40px;
            height: 40px;
            background: var(--primary);
            border-radius: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            color: #fff;
            box-shadow: 0 4px 10px rgba(30, 94, 126, 0.25);
        }

        .brand-text {
            font-size: 22px;
            font-weight: 800;
            letter-spacing: 1px;
            color: var(--text);
            line-height: 1.2;
        }

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

        .main-nav {
            display: flex;
            align-items: center;
            gap: 32px;
        }

        .nav-link {
            position: relative;
            font-size: 16px;
            font-weight: 500;
            color: var(--text);
            padding: 26px 0;
            transition: var(--transition);
        }

        .nav-link::after {
            content: '';
            position: absolute;
            left: 50%;
            bottom: 12px;
            width: 0;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transform: translateX(-50%);
            transition: var(--transition);
        }

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

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

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

        .header-actions .btn {
            padding: 10px 20px;
            font-size: 14px;
        }

        .menu-toggle {
            display: none;
            flex-direction: column;
            justify-content: center;
            gap: 5px;
            width: 40px;
            height: 40px;
            padding: 8px;
            border-radius: 8px;
            cursor: pointer;
            background: rgba(30, 94, 126, 0.08);
        }

        .menu-toggle span {
            display: block;
            width: 100%;
            height: 2px;
            background: var(--primary);
            border-radius: 2px;
            transition: var(--transition);
        }

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

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

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

        /* Mobile drawer */
        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -100%;
            width: 100%;
            height: 100%;
            background: #fff;
            z-index: 999;
            display: flex;
            flex-direction: column;
            justify-content: center;
            align-items: center;
            transition: right 0.3s ease;
        }

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

        .mobile-drawer .drawer-close {
            position: absolute;
            top: 20px;
            right: 20px;
            width: 44px;
            height: 44px;
            border-radius: 50%;
            background: rgba(30, 94, 126, 0.08);
            color: var(--primary);
            font-size: 22px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
        }

        .mobile-drawer nav {
            display: flex;
            flex-direction: column;
            gap: 28px;
            text-align: center;
        }

        .mobile-drawer .nav-link {
            font-size: 24px;
            padding: 10px 0;
        }

        .mobile-drawer .nav-link::after {
            display: none;
        }

        .mobile-drawer .drawer-actions {
            position: absolute;
            bottom: 48px;
            left: 40px;
            right: 40px;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .mobile-drawer .drawer-actions .btn {
            width: 100%;
            padding: 14px;
            font-size: 16px;
        }

        /* ===== Hero ===== */
        .hero {
            position: relative;
            padding: 160px 0 90px;
            background: linear-gradient(135deg, #fff 0%, #F5F7F9 100%);
            overflow: hidden;
        }

        .hero-bg {
            position: absolute;
            top: 0;
            right: 0;
            width: 50%;
            height: 100%;
            background: url('/assets/images/backpic/back-1.png') no-repeat center center/cover;
            z-index: 0;
        }

        .hero-bg::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(to right, #fff 0%, rgba(255, 255, 255, 0.9) 30%, rgba(255, 255, 255, 0.2) 100%);
        }

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

        .hero-content {
            max-width: 560px;
        }

        .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(232, 169, 58, 0.15);
            color: #a06b00;
            border-radius: var(--radius-badge);
            padding: 6px 18px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 22px;
            letter-spacing: 1px;
        }

        .hero-tag i {
            color: var(--accent);
        }

        .hero h1 {
            font-size: 42px;
            font-weight: 800;
            line-height: 1.25;
            letter-spacing: 1px;
            color: var(--text);
            margin-bottom: 12px;
        }

        .hero h1 .accent-bar {
            display: block;
            width: 32px;
            height: 4px;
            background: var(--accent);
            border-radius: 4px;
            margin: 20px 0;
        }

        .hero-subtitle {
            font-size: 17px;
            color: var(--text-muted);
            line-height: 1.8;
            margin-bottom: 32px;
        }

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

        .hero-stats {
            display: flex;
            gap: 0;
            margin-top: 52px;
            border-top: 1px solid var(--border);
            padding-top: 32px;
            max-width: 480px;
        }

        .hero-stats .stat-item {
            flex: 1;
            text-align: left;
            padding-right: 24px;
        }

        .hero-stats .stat-item+.stat-item {
            padding-left: 24px;
            border-left: 1px solid var(--border);
        }

        .stat-num {
            font-size: 34px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1;
            font-family: "PingFang SC", "Microsoft YaHei", sans-serif;
        }

        .stat-label {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 6px;
            display: block;
        }

        /* ===== Timeline ===== */
        .schedule-section {
            background: var(--bg);
        }

        .timeline {
            position: relative;
            max-width: 960px;
            margin: 0 auto;
        }

        .timeline::before {
            content: '';
            position: absolute;
            top: 0;
            bottom: 0;
            left: 50%;
            width: 2px;
            border-left: 2px dashed rgba(30, 94, 126, 0.25);
            transform: translateX(-50%);
        }

        .timeline-item {
            position: relative;
            width: 50%;
            padding: 0 40px 40px;
            box-sizing: border-box;
        }

        .timeline-item:nth-child(odd) {
            left: 0;
            text-align: right;
        }

        .timeline-item:nth-child(even) {
            left: 50%;
            text-align: left;
        }

        .timeline-item::before {
            content: '';
            position: absolute;
            top: 8px;
            width: 16px;
            height: 16px;
            border-radius: 50%;
            background: var(--accent);
            border: 3px solid #fff;
            box-shadow: 0 0 0 3px var(--accent), 0 0 0 6px rgba(232, 169, 58, 0.15);
            z-index: 1;
        }

        .timeline-item:nth-child(odd)::before {
            right: -8px;
        }

        .timeline-item:nth-child(even)::before {
            left: -8px;
        }

        .timeline-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            padding: 24px;
            display: inline-block;
            text-align: left;
            transition: var(--transition);
            max-width: 380px;
            width: 100%;
        }

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

        .timeline-time {
            font-size: 13px;
            font-weight: 700;
            color: var(--accent);
            letter-spacing: 0.5px;
            margin-bottom: 6px;
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .timeline-item:nth-child(odd) .timeline-time {
            justify-content: flex-end;
        }

        .timeline-card h3 {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .timeline-card p {
            font-size: 14px;
            color: var(--text-muted);
            margin-bottom: 12px;
        }

        .timeline-location {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 12px;
            color: var(--secondary);
            background: rgba(91, 140, 90, 0.1);
            padding: 4px 12px;
            border-radius: var(--radius-badge);
        }

        /* ===== Speakers ===== */
        .speakers-section {
            background: #fff;
        }

        .speaker-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: stretch;
        }

        .speaker-main-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            transition: var(--transition);
            border: 1px solid rgba(229, 231, 235, 0.5);
        }

        .speaker-main-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

        .speaker-main-card .speaker-cover {
            aspect-ratio: 16/9;
            background: url('/assets/images/coverpic/cover-2.webp') no-repeat center center/cover;
            position: relative;
        }

        .speaker-main-card .speaker-cover::after {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(to top, rgba(20, 34, 43, 0.4), transparent);
        }

        .speaker-main-card .speaker-body {
            padding: 28px;
            flex: 1;
        }

        .speaker-main-card .speaker-name {
            font-size: 22px;
            font-weight: 700;
            margin-bottom: 4px;
        }

        .speaker-main-card .speaker-role {
            color: var(--primary);
            font-size: 14px;
            font-weight: 600;
            margin-bottom: 16px;
        }

        .speaker-main-card .speaker-desc {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.7;
        }

        .speaker-side-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            padding: 24px;
            display: flex;
            gap: 20px;
            align-items: center;
            transition: var(--transition);
            border: 1px solid rgba(229, 231, 235, 0.5);
            flex: 1;
        }

        .speaker-side-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

        .speaker-side-card .speaker-avatar {
            width: 90px;
            height: 90px;
            border-radius: 16px;
            background: url('/assets/images/coverpic/cover-1.webp') no-repeat center center/cover;
            flex-shrink: 0;
        }

        .speaker-side-card:nth-child(2) .speaker-avatar {
            background-image: url('/assets/images/coverpic/cover-3.png');
        }

        .speaker-side-card:nth-child(3) .speaker-avatar {
            background-image: url('/assets/images/coverpic/cover-4.webp');
        }

        .speaker-side-card .speaker-name {
            font-size: 18px;
            font-weight: 700;
        }

        .speaker-side-card .speaker-role {
            font-size: 13px;
            color: var(--primary);
            font-weight: 600;
        }

        .speaker-side-card .speaker-desc {
            font-size: 13px;
            color: var(--text-muted);
            margin-top: 6px;
            line-height: 1.6;
        }

        .speaker-side-col {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }

        /* ===== Tickets ===== */
        .tickets-section {
            background: var(--bg);
        }

        .ticket-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 32px;
            align-items: center;
            margin-top: 20px;
        }

        .ticket-card {
            background: var(--card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(229, 231, 235, 0.5);
            padding: 36px 28px;
            text-align: center;
            position: relative;
            transition: var(--transition);
        }

        .ticket-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

        .ticket-card.featured {
            border: 2px solid var(--primary);
            box-shadow: var(--shadow-form);
            padding-top: 44px;
            padding-bottom: 44px;
            transform: scale(1.02);
        }

        .ticket-card.featured:hover {
            transform: scale(1.02) translateY(-4px);
            box-shadow: 0 16px 40px rgba(30, 94, 126, 0.18);
        }

        .ticket-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--accent);
            color: #1F2937;
            font-size: 12px;
            font-weight: 700;
            padding: 4px 20px;
            border-radius: var(--radius-badge);
            letter-spacing: 1px;
            box-shadow: 0 4px 12px rgba(232, 169, 58, 0.3);
            white-space: nowrap;
        }

        .ticket-card .ticket-name {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 16px;
        }

        .ticket-card .ticket-price {
            font-size: 40px;
            font-weight: 800;
            color: var(--text);
            margin-bottom: 24px;
            line-height: 1;
        }

        .ticket-card .ticket-price span {
            font-size: 14px;
            font-weight: 500;
            color: var(--text-muted);
        }

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

        .ticket-features li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--text-muted);
            padding: 6px 0;
        }

        .ticket-features li i {
            color: var(--secondary);
            margin-top: 4px;
            font-size: 14px;
        }

        .ticket-card .btn {
            width: 100%;
        }

        /* ===== Register ===== */
        .register-section {
            background: linear-gradient(135deg, #F5F7F9 0%, #EFF3F6 100%);
            position: relative;
            padding: 90px 0;
        }

        .register-card {
            background: var(--card-bg);
            border-radius: 20px;
            box-shadow: var(--shadow-form);
            padding: 48px;
            max-width: 680px;
            margin: 0 auto;
            position: relative;
            overflow: hidden;
        }

        .register-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 4px;
            background: linear-gradient(90deg, var(--primary), var(--secondary), var(--accent));
        }

        .register-card h3 {
            font-size: 26px;
            font-weight: 700;
            text-align: center;
            margin-bottom: 8px;
        }

        .register-card .register-intro {
            text-align: center;
            color: var(--text-muted);
            font-size: 14px;
            margin-bottom: 32px;
        }

        .register-form .form-group {
            margin-bottom: 20px;
        }

        .register-form label {
            display: block;
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
            margin-bottom: 8px;
        }

        .register-form .form-control {
            width: 100%;
            padding: 12px 16px;
            border: 1px solid var(--border);
            border-radius: var(--radius-btn);
            background: #fff;
            font-size: 15px;
            color: var(--text);
            transition: var(--transition);
            box-shadow: none;
        }

        .register-form .form-control:focus {
            border-color: var(--primary);
            box-shadow: 0 0 0 3px rgba(30, 94, 126, 0.12);
        }

        .register-form .form-select {
            appearance: none;
            background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath fill='%236B7280' d='M1.4 0L6 4.6 10.6 0 12 1.4 6 7.4 0 1.4z'/%3E%3C/svg%3E");
            background-repeat: no-repeat;
            background-position: right 16px center;
            padding-right: 40px;
        }

        .register-form .btn-submit {
            width: 100%;
            padding: 14px;
            font-size: 16px;
            margin-top: 10px;
            background: var(--primary);
            border-color: var(--primary);
            color: #fff;
            border-radius: var(--radius-btn);
            font-weight: 600;
            cursor: pointer;
            transition: var(--transition);
        }

        .register-form .btn-submit:hover {
            background: var(--primary-hover);
            border-color: var(--primary-hover);
            box-shadow: 0 8px 24px rgba(30, 94, 126, 0.28);
            transform: translateY(-2px);
        }

        .register-privacy {
            text-align: center;
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 18px;
        }

        /* ===== News ===== */
        .news-section {
            background: #fff;
        }

        .news-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 32px;
            align-items: stretch;
        }

        .news-featured {
            background: var(--card-bg);
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            border: 1px solid rgba(229, 231, 235, 0.5);
            display: flex;
            flex-direction: column;
        }

        .news-featured:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }

        .news-featured .news-image {
            aspect-ratio: 16/9;
            background: url('/assets/images/coverpic/cover-5.webp') no-repeat center center/cover;
            position: relative;
        }

        .news-featured .news-body {
            padding: 24px;
            flex: 1;
        }

        .news-featured .news-title {
            font-size: 20px;
            font-weight: 700;
            line-height: 1.5;
            margin: 12px 0 8px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-featured .news-desc {
            font-size: 14px;
            color: var(--text-muted);
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-top: 14px;
            font-size: 12px;
            color: var(--text-muted);
        }

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

        .news-list-item {
            background: var(--card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            border: 1px solid rgba(229, 231, 235, 0.5);
            padding: 22px 24px;
            display: block;
            transition: var(--transition);
            flex: 1;
            display: flex;
            align-items: center;
            gap: 20px;
        }

        .news-list-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
        }

        .news-list-thumb {
            width: 90px;
            height: 72px;
            border-radius: 10px;
            background: url('/assets/images/coverpic/cover-6.webp') no-repeat center center/cover;
            flex-shrink: 0;
        }

        .news-list-content {
            flex: 1;
            min-width: 0;
        }

        .news-list-content h3 {
            font-size: 16px;
            font-weight: 700;
            line-height: 1.4;
            margin-bottom: 4px;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-list-content p {
            font-size: 13px;
            color: var(--text-muted);
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-list-content .news-date {
            font-size: 12px;
            color: var(--text-muted);
            margin-top: 4px;
            display: block;
        }

        .news-empty {
            grid-column: 1 / -1;
            background: var(--bg);
            border-radius: var(--radius);
            padding: 60px 30px;
            text-align: center;
            color: var(--text-muted);
            border: 1px dashed var(--border);
        }

        .news-empty i {
            font-size: 40px;
            color: var(--border);
            margin-bottom: 12px;
            display: block;
        }

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

        .faq-wrap {
            max-width: 780px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--card-bg);
            border-radius: var(--radius);
            box-shadow: var(--shadow-sm);
            margin-bottom: 16px;
            overflow: hidden;
            border: 1px solid rgba(229, 231, 235, 0.5);
            transition: var(--transition);
        }

        .faq-item:hover {
            box-shadow: var(--shadow-md);
        }

        .faq-question {
            display: flex;
            align-items: center;
            gap: 14px;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--text);
            background: none;
            width: 100%;
            text-align: left;
        }

        .faq-question .faq-dot {
            width: 8px;
            height: 8px;
            background: var(--primary);
            border-radius: 50%;
            flex-shrink: 0;
        }

        .faq-question::after {
            content: '\f078';
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            font-size: 14px;
            color: var(--text-muted);
            margin-left: auto;
            transition: var(--transition);
        }

        .faq-item.show .faq-question::after {
            transform: rotate(180deg);
            color: var(--primary);
        }

        .faq-answer {
            padding: 0 24px;
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.75;
            border-top: 1px solid var(--border);
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.3s ease, padding 0.3s ease;
        }

        .faq-item.show .faq-answer {
            padding: 18px 24px;
            max-height: 300px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background: var(--footer-bg);
            padding: 80px 0;
            position: relative;
            overflow: hidden;
            background-image: url('/assets/images/backpic/back-3.webp');
            background-size: cover;
            background-position: center;
            background-repeat: no-repeat;
        }

        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(135deg, rgba(20, 34, 43, 0.92), rgba(30, 94, 126, 0.85));
        }

        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            color: #fff;
            max-width: 640px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 16px;
        }

        .cta-content p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            margin-bottom: 28px;
        }

        .cta-content .btn {
            font-size: 16px;
            padding: 14px 36px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #0F1A22;
            color: var(--footer-text);
            padding: 60px 0 0;
            border-top: 3px solid var(--primary);
        }

        .site-footer .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1.5fr;
            gap: 48px;
            padding-bottom: 40px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }

        .footer-brand .brand-icon {
            background: var(--primary);
            color: #fff;
        }

        .footer-brand .brand-text {
            color: #fff;
            font-size: 20px;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(156, 163, 175, 0.85);
            max-width: 320px;
        }

        .footer-title {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
        }

        .footer-links {
            list-style: none;
            padding: 0;
        }

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

        .footer-links a {
            font-size: 14px;
            color: var(--footer-text);
        }

        .footer-links a:hover {
            color: var(--accent);
            padding-left: 6px;
        }

        .footer-contact {
            list-style: none;
            padding: 0;
            font-size: 14px;
        }

        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            margin-bottom: 12px;
        }

        .footer-contact i {
            color: var(--accent);
            margin-top: 4px;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(156, 163, 175, 0.6);
        }

        .footer-bottom span {
            color: var(--accent);
        }

        /* ===== Responsive ===== */
        @media (max-width: 991.98px) {
            .main-nav,
            .header-actions .btn {
                display: none;
            }

            .menu-toggle {
                display: flex;
            }

            .hero {
                padding: 140px 0 70px;
            }

            .hero-bg {
                width: 60%;
            }

            .hero h1 {
                font-size: 34px;
            }

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

            .speaker-side-col {
                flex-direction: row;
                gap: 20px;
            }

            .speaker-side-card {
                flex-direction: column;
                align-items: flex-start;
            }

            .ticket-grid {
                grid-template-columns: 1fr;
                gap: 24px;
            }

            .ticket-card.featured {
                transform: none;
                order: -1;
            }

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

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

        @media (max-width: 767.98px) {
            .section {
                padding: 56px 0;
            }

            .section-head h2 {
                font-size: 22px;
            }

            .hero {
                padding: 120px 0 60px;
            }

            .hero-bg {
                display: none;
            }

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

            .hero-subtitle {
                font-size: 15px;
            }

            .hero-stats .stat-item {
                padding-right: 10px;
            }

            .hero-stats .stat-item+.stat-item {
                padding-left: 10px;
            }

            .stat-num {
                font-size: 26px;
            }

            .stat-label {
                font-size: 12px;
            }

            .timeline::before {
                left: 8px;
            }

            .timeline-item,
            .timeline-item:nth-child(odd),
            .timeline-item:nth-child(even) {
                width: 100%;
                left: 0;
                padding: 0 0 32px 36px;
                text-align: left;
            }

            .timeline-item:nth-child(odd)::before,
            .timeline-item:nth-child(even)::before {
                left: 0;
                right: auto;
            }

            .timeline-item:nth-child(odd) .timeline-time {
                justify-content: flex-start;
            }

            .timeline-card {
                max-width: 100%;
            }

            .speaker-side-col {
                flex-direction: column;
            }

            .register-card {
                padding: 32px 20px;
            }

            .register-card h3 {
                font-size: 22px;
            }

            .news-list-item {
                padding: 16px;
                gap: 14px;
            }

            .news-list-thumb {
                width: 72px;
                height: 60px;
            }

            .footer-contact li {
                font-size: 13px;
            }
        }

        @media (max-width: 520px) {
            .hero h1 {
                font-size: 26px;
            }

            .hero-actions {
                flex-direction: column;
            }

            .hero-actions .btn {
                width: 100%;
            }

            .hero-stats {
                flex-direction: column;
                gap: 20px;
                border-top: none;
                padding-top: 20px;
            }

            .hero-stats .stat-item {
                padding: 16px;
                background: #fff;
                border-radius: var(--radius);
                box-shadow: var(--shadow-sm);
            }

            .hero-stats .stat-item+.stat-item {
                padding-left: 16px;
                border-left: none;
            }

            .news-list-thumb {
                display: none;
            }
        }

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --primary: #1E5E7E;
            --primary-dark: #174A64;
            --primary-light: rgba(30, 94, 126, 0.08);
            --green: #5B8C5A;
            --amber: #E8A93A;
            --bg-page: #F5F7F9;
            --bg-card: #FFFFFF;
            --text-main: #1F2937;
            --text-sub: #6B7280;
            --border: #E5E7EB;
            --footer-bg: #14222B;
            --footer-text: #9CA3AF;
            --radius: 12px;
            --radius-sm: 8px;
            --shadow-card: 0 1px 3px rgba(30, 94, 126, 0.08);
            --shadow-hover: 0 8px 24px rgba(30, 94, 126, 0.14);
            --shadow-nav: 0 1px 4px rgba(0, 0, 0, 0.06);
            --shadow-form: 0 12px 32px rgba(30, 94, 126, 0.12);
            --spacing-section: 80px;
            --font-stack: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }

        body {
            font-family: var(--font-stack);
            font-size: 16px;
            line-height: 1.75;
            color: var(--text-main);
            background-color: var(--bg-page);
        }

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

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

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

        /* ===== 容器 ===== */
        .container {
            max-width: 1200px;
            padding-left: 20px;
            padding-right: 20px;
        }

        /* ===== 区块间距 ===== */
        .section {
            padding: var(--spacing-section) 0;
        }
        .section-sm {
            padding: 48px 0;
        }

        /* ===== 导航 ===== */
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            z-index: 1000;
            background: #FFFFFF;
            box-shadow: var(--shadow-nav);
            transition: box-shadow 0.3s ease, background 0.3s ease;
        }

        .site-header.scrolled {
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.08);
            background: rgba(255, 255, 255, 0.98);
        }

        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
        }

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

        .brand-icon {
            width: 38px;
            height: 38px;
            background: var(--primary);
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            box-shadow: 0 2px 6px rgba(30, 94, 126, 0.2);
        }

        .brand-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--text-main);
            letter-spacing: 0.5px;
            white-space: nowrap;
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 32px;
        }

        .main-nav .nav-link {
            font-size: 16px;
            color: var(--text-main);
            font-weight: 500;
            padding: 8px 0;
            position: relative;
            white-space: nowrap;
        }

        .main-nav .nav-link::after {
            content: "";
            position: absolute;
            bottom: 0;
            left: 0;
            width: 0;
            height: 2px;
            background: var(--primary);
            transition: width 0.3s ease;
        }

        .main-nav .nav-link:hover {
            color: var(--primary);
        }

        .main-nav .nav-link.active {
            color: var(--primary);
        }

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

        .nav-cta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-left: 24px;
        }

        .btn-login {
            background: var(--primary);
            color: #fff;
            border: none;
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 15px;
            cursor: pointer;
            transition: background 0.3s ease, box-shadow 0.3s ease, transform 0.1s ease;
            box-shadow: 0 2px 8px rgba(30, 94, 126, 0.18);
        }

        .btn-login:hover {
            background: var(--primary-dark);
            box-shadow: 0 4px 16px rgba(30, 94, 126, 0.25);
        }

        .btn-login:active {
            transform: scale(0.98);
        }

        .btn-login:focus-visible,
        .btn-ghost:focus-visible,
        .btn-amber:focus-visible {
            outline: 3px solid rgba(30, 94, 126, 0.25);
            outline-offset: 2px;
        }

        .btn-ghost {
            background: transparent;
            color: var(--primary);
            border: 1px solid var(--primary);
            padding: 10px 24px;
            border-radius: var(--radius-sm);
            font-weight: 500;
            font-size: 15px;
            cursor: pointer;
            transition: background 0.3s ease, color 0.3s ease;
        }

        .btn-ghost:hover {
            background: var(--primary-light);
        }

        /* 汉堡按钮 */
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            width: 44px;
            height: 44px;
            flex-direction: column;
            align-items: center;
            justify-content: center;
            gap: 5px;
            cursor: pointer;
            border-radius: 8px;
            transition: background 0.3s ease;
        }

        .nav-toggle:hover {
            background: var(--bg-page);
        }

        .nav-toggle span {
            width: 24px;
            height: 2px;
            background: var(--text-main);
            border-radius: 2px;
            transition: all 0.3s ease;
        }

        /* 移动端全屏抽屉 */
        .mobile-nav {
            position: fixed;
            top: 0;
            left: 0;
            width: 100%;
            height: 100vh;
            background: #FFFFFF;
            z-index: 1100;
            display: flex;
            flex-direction: column;
            padding: 32px 24px 48px;
            opacity: 0;
            visibility: hidden;
            transform: translateX(100%);
            transition: opacity 0.35s ease, transform 0.35s ease, visibility 0.35s;
        }

        .mobile-nav.open {
            opacity: 1;
            visibility: visible;
            transform: translateX(0);
        }

        .mobile-nav-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-bottom: 40px;
        }

        .mobile-nav-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 700;
        }

        .mobile-nav-brand .brand-icon {
            width: 36px;
            height: 36px;
            font-size: 16px;
            border-radius: 8px;
        }

        .mobile-close {
            width: 40px;
            height: 40px;
            background: var(--bg-page);
            border: none;
            border-radius: 50%;
            font-size: 22px;
            color: var(--text-main);
            cursor: pointer;
            transition: background 0.3s ease, color 0.3s ease;
        }

        .mobile-close:hover {
            background: var(--primary);
            color: #fff;
        }

        .mobile-nav-links {
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
        }

        .mobile-nav-links a {
            font-size: 24px;
            font-weight: 600;
            padding: 14px 0;
            color: var(--text-main);
            border-bottom: 1px solid var(--border);
            transition: color 0.3s ease, padding-left 0.3s ease;
        }

        .mobile-nav-links a:hover,
        .mobile-nav-links a.active {
            color: var(--primary);
            padding-left: 8px;
        }

        .mobile-nav-cta {
            margin-top: auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .mobile-nav-cta .btn-login,
        .mobile-nav-cta .btn-ghost {
            width: 100%;
            text-align: center;
            padding: 14px;
            font-size: 16px;
        }

        /* ===== Hero 区块 ===== */
        .hero {
            position: relative;
            padding: 160px 0 80px;
            background-color: var(--bg-page);
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            overflow: hidden;
        }

        .hero::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: linear-gradient(90deg, rgba(245, 247, 249, 0.95) 40%, rgba(245, 247, 249, 0.7) 100%);
        }

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

        .hero-content {
            display: flex;
            align-items: center;
            gap: 40px;
        }

        .hero-text {
            flex: 1;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: rgba(30, 94, 126, 0.08);
            color: var(--primary);
            padding: 6px 16px;
            border-radius: 20px;
            font-size: 14px;
            font-weight: 500;
            margin-bottom: 20px;
        }

        .hero h1 {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.3;
            color: var(--text-main);
            margin-bottom: 16px;
            letter-spacing: -0.5px;
        }

        .hero h1 .highlight {
            color: var(--primary);
            position: relative;
        }

        .hero h1 .highlight::after {
            content: "";
            position: absolute;
            left: 0;
            bottom: 2px;
            width: 100%;
            height: 10px;
            background: rgba(232, 169, 58, 0.3);
            z-index: -1;
        }

        .hero-desc {
            font-size: 17px;
            color: var(--text-sub);
            line-height: 1.8;
            margin-bottom: 28px;
            max-width: 520px;
        }

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

        .btn-amber {
            background: var(--amber);
            color: #1F2937;
            border: none;
            padding: 12px 32px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 16px;
            cursor: pointer;
            transition: background 0.3s ease, box-shadow 0.3s ease, transform 0.1s ease;
            box-shadow: 0 4px 14px rgba(232, 169, 58, 0.3);
        }

        .btn-amber:hover {
            background: #d99a28;
            box-shadow: 0 6px 20px rgba(232, 169, 58, 0.4);
        }

        .btn-amber:active {
            transform: scale(0.98);
        }

        .hero-image {
            flex: 1;
            max-width: 480px;
        }

        .hero-image img {
            border-radius: 16px;
            box-shadow: 0 16px 40px rgba(30, 94, 126, 0.15);
        }

        .hero-stats {
            display: flex;
            gap: 48px;
            margin-top: 56px;
            padding-top: 32px;
            border-top: 1px solid var(--border);
        }

        .stat-num {
            font-size: 36px;
            font-weight: 800;
            color: var(--amber);
            line-height: 1.2;
        }

        .stat-label {
            font-size: 14px;
            color: var(--text-sub);
            margin-top: 4px;
        }

        /* ===== 通用区块标题 ===== */
        .section-title {
            font-size: 28px;
            font-weight: 700;
            color: var(--text-main);
            line-height: 1.4;
            margin-bottom: 12px;
        }

        .section-subtitle {
            font-size: 16px;
            color: var(--text-sub);
            margin-bottom: 40px;
        }

        /* ===== 登录方式卡片 ===== */
        .login-methods {
            padding: var(--spacing-section) 0;
        }

        .methods-grid {
            display: grid;
            grid-template-columns: 1.2fr 1fr;
            gap: 24px;
            align-items: stretch;
        }

        .method-card {
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow-card);
            padding: 24px;
            display: flex;
            flex-direction: column;
            transition: transform 0.3s ease, box-shadow 0.3s ease;
        }

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

        .method-card.large {
            padding: 0;
            overflow: hidden;
        }

        .method-card.large img {
            width: 100%;
            height: 340px;
            object-fit: cover;
        }

        .method-card.large .card-body {
            padding: 24px;
        }

        .method-card.small {
            flex-direction: row;
            align-items: center;
            gap: 20px;
        }

        .method-card.small .method-icon {
            width: 64px;
            height: 64px;
            flex-shrink: 0;
            background: var(--primary-light);
            border-radius: 14px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--primary);
        }

        .method-card.small .method-info {
            flex: 1;
        }

        .method-card.small .method-info h3 {
            font-size: 18px;
            font-weight: 600;
            margin-bottom: 6px;
        }

        .method-card.small .method-info p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.6;
            margin: 0;
        }

        .method-card h3 {
            font-size: 20px;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .method-card p {
            color: var(--text-sub);
            font-size: 15px;
            line-height: 1.7;
        }

        .method-tag {
            display: inline-block;
            padding: 4px 12px;
            background: rgba(91, 140, 90, 0.1);
            color: var(--green);
            border-radius: 16px;
            font-size: 13px;
            font-weight: 500;
        }

        /* ===== 登录流程 ===== */
        .process-section {
            background: var(--bg-page);
            padding: var(--spacing-section) 0;
        }

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

        .process-grid::before {
            content: "";
            position: absolute;
            top: 40px;
            left: 8%;
            right: 8%;
            height: 2px;
            border-top: 2px dashed var(--border);
            z-index: 0;
        }

        .process-step {
            position: relative;
            background: var(--bg-card);
            border-radius: var(--radius);
            padding: 28px 20px;
            text-align: center;
            box-shadow: var(--shadow-card);
            transition: transform 0.3s ease, box-shadow 0.3s ease;
            z-index: 1;
        }

        .process-step:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
        }

        .step-num {
            width: 48px;
            height: 48px;
            margin: 0 auto 16px;
            background: var(--primary);
            color: #fff;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 700;
            border: 3px solid #fff;
            box-shadow: 0 0 0 2px var(--primary);
        }

        .process-step h3 {
            font-size: 17px;
            font-weight: 600;
            margin-bottom: 8px;
        }

        .process-step p {
            font-size: 14px;
            color: var(--text-sub);
            line-height: 1.6;
            margin: 0;
        }

        /* ===== 安全与权益 ===== */
        .security-section {
            padding: var(--spacing-section) 0;
        }

        .security-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 40px;
            align-items: center;
        }

        .security-text h2 {
            font-size: 28px;
            font-weight: 700;
            margin-bottom: 16px;
        }

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

        .security-list li {
            display: flex;
            gap: 12px;
            padding: 12px 0;
            border-bottom: 1px solid var(--border);
            font-size: 15px;
        }

        .security-list li:last-child {
            border-bottom: none;
        }

        .security-list li i {
            color: var(--green);
            margin-top: 4px;
        }

        .security-image img {
            border-radius: var(--radius);
            box-shadow: var(--shadow-hover);
            width: 100%;
        }

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

        .faq-container {
            max-width: 780px;
            margin: 0 auto;
        }

        .faq-item {
            background: var(--bg-card);
            border-radius: var(--radius);
            box-shadow: var(--shadow-card);
            margin-bottom: 16px;
            overflow: hidden;
            transition: box-shadow 0.3s ease;
        }

        .faq-item:hover {
            box-shadow: var(--shadow-hover);
        }

        .faq-btn {
            width: 100%;
            background: none;
            border: none;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 600;
            color: var(--text-main);
            text-align: left;
            display: flex;
            align-items: center;
            gap: 14px;
            cursor: pointer;
            transition: color 0.3s ease;
        }

        .faq-btn .faq-icon {
            width: 22px;
            height: 22px;
            flex-shrink: 0;
            border-radius: 50%;
            background: var(--primary-light);
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 12px;
            transition: transform 0.3s ease, background 0.3s ease;
        }

        .faq-btn:hover {
            color: var(--primary);
        }

        .faq-btn:focus-visible {
            outline: 3px solid rgba(30, 94, 126, 0.25);
        }

        .faq-btn .faq-icon i {
            transition: transform 0.3s ease;
        }

        .faq-btn[aria-expanded="true"] .faq-icon i {
            transform: rotate(45deg);
        }

        .faq-body {
            padding: 0 24px 20px;
            border-top: 1px solid var(--border);
            color: var(--text-sub);
            font-size: 15px;
            line-height: 1.7;
        }

        .faq-body .inner {
            padding-top: 16px;
        }

        /* ===== CTA 区块 ===== */
        .cta-section {
            position: relative;
            padding: var(--spacing-section) 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            width: 100%;
            height: 100%;
            background: rgba(20, 34, 43, 0.85);
        }

        .cta-content {
            position: relative;
            text-align: center;
            color: #fff;
            max-width: 680px;
            margin: 0 auto;
        }

        .cta-content h2 {
            font-size: 32px;
            font-weight: 700;
            margin-bottom: 16px;
            color: #fff;
        }

        .cta-content p {
            font-size: 16px;
            opacity: 0.85;
            margin-bottom: 28px;
        }

        .cta-btns {
            display: flex;
            gap: 16px;
            justify-content: center;
            flex-wrap: wrap;
        }

        .cta-btns .btn-login {
            background: var(--amber);
            color: #1F2937;
            font-weight: 600;
        }

        .cta-btns .btn-login:hover {
            background: #d99a28;
        }

        .cta-btns .btn-ghost {
            border-color: rgba(255, 255, 255, 0.6);
            color: #fff;
        }

        .cta-btns .btn-ghost:hover {
            background: rgba(255, 255, 255, 0.1);
        }

        .cta-note {
            margin-top: 20px;
            font-size: 14px;
            opacity: 0.6;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--footer-bg);
            color: var(--footer-text);
            padding: 64px 0 24px;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

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

        .footer-brand .brand-icon {
            background: var(--amber);
            color: #1F2937;
            box-shadow: none;
        }

        .footer-brand .brand-text {
            color: #fff;
            font-weight: 700;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.7;
            opacity: 0.7;
            max-width: 320px;
        }

        .footer-title {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 20px;
        }

        .footer-links,
        .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .footer-links li {
            margin-bottom: 12px;
        }

        .footer-links a {
            color: var(--footer-text);
            font-size: 14px;
            transition: color 0.3s ease;
        }

        .footer-links a:hover {
            color: var(--amber);
        }

        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            margin-bottom: 14px;
            line-height: 1.6;
        }

        .footer-contact i {
            color: var(--amber);
            margin-top: 3px;
        }

        .footer-bottom {
            text-align: center;
            padding-top: 24px;
            font-size: 14px;
            opacity: 0.7;
        }

        .footer-bottom p {
            margin: 0;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1199.98px) {
            .hero h1 {
                font-size: 34px;
            }

            .process-grid {
                gap: 16px;
            }

            .process-step {
                padding: 20px 14px;
            }
        }

        @media (max-width: 991.98px) {
            :root {
                --spacing-section: 56px;
            }

            .main-nav,
            .nav-cta {
                display: none;
            }

            .nav-toggle {
                display: flex;
            }

            .hero {
                padding: 120px 0 60px;
            }

            .hero-content {
                flex-direction: column;
            }

            .hero-text {
                text-align: center;
            }

            .hero-desc {
                margin-left: auto;
                margin-right: auto;
            }

            .hero-btns {
                justify-content: center;
            }

            .hero-image {
                max-width: 100%;
                margin-top: 24px;
            }

            .hero-stats {
                justify-content: center;
                gap: 32px;
            }

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

            .method-card.large img {
                height: 240px;
            }

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

            .process-grid::before {
                display: none;
            }

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

            .security-image {
                order: -1;
            }

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

            .footer-desc {
                max-width: 100%;
            }
        }

        @media (max-width: 767.98px) {
            .hero h1 {
                font-size: 28px;
            }

            .hero-stats {
                flex-direction: column;
                gap: 16px;
                align-items: center;
            }

            .stat-item {
                text-align: center;
            }

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

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

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

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

            .method-card.small {
                flex-direction: column;
                text-align: center;
            }

            .method-card.small .method-info p {
                text-align: center;
            }
        }

        @media (max-width: 575.98px) {
            .hero-btns {
                flex-direction: column;
                width: 100%;
            }

            .hero-btns .btn-login,
            .hero-btns .btn-amber,
            .hero-btns .btn-ghost {
                width: 100%;
                text-align: center;
            }

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

            .cta-btns {
                flex-direction: column;
                width: 100%;
            }

            .cta-btns .btn-login,
            .cta-btns .btn-ghost {
                width: 100%;
                text-align: center;
            }
        }

        /* ===== 辅助类 ===== */
        .text-sub {
            color: var(--text-sub);
        }

        .mt-1 {
            margin-top: 8px;
        }
        .mt-2 {
            margin-top: 16px;
        }
        .mt-3 {
            margin-top: 24px;
        }
        .mb-1 {
            margin-bottom: 8px;
        }
        .mb-2 {
            margin-bottom: 16px;
        }
        .mb-3 {
            margin-bottom: 24px;
        }

/* roulang page: article */
:root {
            --c-primary: #1E5E7E;
            --c-primary-dark: #174A64;
            --c-accent: #E8A93A;
            --c-green: #5B8C5A;
            --c-bg: #F5F7F9;
            --c-white: #FFFFFF;
            --c-text: #1F2937;
            --c-muted: #6B7280;
            --c-border: #E5E7EB;
            --c-footer-bg: #14222B;
            --c-footer-text: #9CA3AF;
            --radius-lg: 16px;
            --radius-md: 12px;
            --radius-sm: 8px;
            --shadow-sm: 0 1px 3px rgba(30,94,126,0.08);
            --shadow-hover: 0 8px 24px rgba(30,94,126,0.14);
            --shadow-nav: 0 1px 4px rgba(0,0,0,0.06);
            --shadow-card: 0 12px 32px rgba(30,94,126,0.12);
            --font-sans: "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-sans);
            background: var(--c-bg);
            color: var(--c-text);
            line-height: 1.75;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        a {
            color: var(--c-primary);
            text-decoration: none;
            transition: color .25s ease;
        }
        a:hover {
            color: var(--c-primary-dark);
        }
        img {
            max-width: 100%;
            height: auto;
        }
        .container {
            max-width: 1200px;
        }
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: var(--radius-sm);
            font-weight: 600;
            font-size: 15px;
            border: 1px solid transparent;
            transition: all .3s ease;
            line-height: 1.4;
        }
        .btn-primary {
            background: var(--c-primary);
            border-color: var(--c-primary);
            color: #fff;
            box-shadow: 0 2px 8px rgba(30, 94, 126, .2);
        }
        .btn-primary:hover {
            background: var(--c-primary-dark);
            border-color: var(--c-primary-dark);
            color: #fff;
            box-shadow: 0 6px 18px rgba(30, 94, 126, .3);
            transform: translateY(-2px);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(30, 94, 126, .2);
        }
        .btn-primary:focus-visible,
        .btn-ghost:focus-visible,
        .btn-accent:focus-visible {
            outline: 3px solid rgba(232, 169, 58, .45);
            outline-offset: 2px;
        }
        .btn-ghost {
            background: transparent;
            border-color: var(--c-primary);
            color: var(--c-primary);
        }
        .btn-ghost:hover {
            background: rgba(30, 94, 126, .06);
            color: var(--c-primary-dark);
            border-color: var(--c-primary-dark);
        }
        .btn-accent {
            background: var(--c-accent);
            border-color: var(--c-accent);
            color: #1F2937;
            box-shadow: 0 2px 10px rgba(232, 169, 58, .3);
        }
        .btn-accent:hover {
            background: #d99a28;
            border-color: #d99a28;
            color: #1F2937;
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(232, 169, 58, .4);
        }
        .btn-sm {
            padding: 9px 20px;
            font-size: 14px;
        }
        .btn-lg {
            padding: 14px 36px;
            font-size: 16px;
        }
        .site-header {
            position: fixed;
            top: 0;
            left: 0;
            right: 0;
            width: 100%;
            height: 72px;
            background: rgba(255, 255, 255, .96);
            box-shadow: var(--shadow-nav);
            z-index: 1000;
            transition: box-shadow .3s ease;
        }
        .site-header.scrolled {
            box-shadow: 0 2px 12px rgba(0, 0, 0, .1);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 24px;
            height: 72px;
        }
        .brand-logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .brand-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, var(--c-primary) 0%, #2E7D97 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
        }
        .brand-text {
            font-size: 20px;
            font-weight: 700;
            color: var(--c-primary);
            letter-spacing: .5px;
        }
        .main-nav {
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .nav-link {
            font-size: 15px;
            font-weight: 500;
            color: var(--c-text);
            position: relative;
            padding: 6px 2px;
            white-space: nowrap;
        }
        .nav-link::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 100%;
            height: 2px;
            background: var(--c-primary);
            transform: scaleX(0);
            transform-origin: left;
            transition: transform .3s ease;
            border-radius: 2px;
        }
        .nav-link:hover {
            color: var(--c-primary);
        }
        .nav-link:hover::after {
            transform: scaleX(1);
        }
        .nav-link.active {
            color: var(--c-primary);
            font-weight: 600;
        }
        .nav-link.active::after {
            transform: scaleX(1);
        }
        .header-actions {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }
        .nav-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--c-primary);
            cursor: pointer;
            padding: 8px;
            border-radius: var(--radius-sm);
        }
        .nav-toggle:focus-visible {
            outline: 3px solid rgba(30, 94, 126, .3);
        }
        .mobile-drawer {
            position: fixed;
            top: 0;
            right: 0;
            width: 100%;
            max-width: 380px;
            height: 100vh;
            height: 100dvh;
            background: #fff;
            z-index: 2000;
            transform: translateX(100%);
            transition: transform .35s ease;
            display: flex;
            flex-direction: column;
            box-shadow: -20px 0 40px rgba(0, 0, 0, .08);
        }
        .mobile-drawer.open {
            transform: translateX(0);
        }
        .drawer-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            border-bottom: 1px solid var(--c-border);
        }
        .drawer-logo {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 18px;
            font-weight: 700;
            color: var(--c-primary);
        }
        .drawer-close {
            background: #F3F4F6;
            border: none;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            font-size: 20px;
            color: var(--c-text);
            cursor: pointer;
            display: flex;
            align-items: center;
            justify-content: center;
            transition: all .2s ease;
        }
        .drawer-close:hover {
            background: #E5E7EB;
            color: var(--c-primary);
        }
        .drawer-nav {
            padding: 28px 24px;
            display: flex;
            flex-direction: column;
            gap: 8px;
            flex: 1;
            overflow-y: auto;
        }
        .drawer-nav a {
            font-size: 22px;
            font-weight: 600;
            color: var(--c-text);
            padding: 14px 12px;
            border-radius: var(--radius-md);
            transition: all .2s ease;
        }
        .drawer-nav a:hover {
            background: rgba(30, 94, 126, .06);
            color: var(--c-primary);
        }
        .drawer-nav a.active {
            background: rgba(30, 94, 126, .08);
            color: var(--c-primary);
        }
        .drawer-cta {
            padding: 20px 24px 32px;
            border-top: 1px solid var(--c-border);
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(20, 34, 43, .5);
            z-index: 1999;
            opacity: 0;
            visibility: hidden;
            transition: all .3s ease;
            backdrop-filter: blur(2px);
        }
        .drawer-overlay.active {
            opacity: 1;
            visibility: visible;
        }
        .article-page-banner {
            margin-top: 72px;
            background: linear-gradient(120deg, rgba(255, 255, 255, .95) 0%, rgba(245, 247, 249, .97) 55%, rgba(240, 246, 248, .92) 100%),
                url('/assets/images/backpic/back-2.webp') no-repeat right center / 55% auto;
            padding: 64px 0 48px;
            border-bottom: 1px solid rgba(229, 231, 235, .5);
        }
        .breadcrumb-nav {
            margin-bottom: 28px;
        }
        .breadcrumb-nav .breadcrumb {
            margin: 0;
            padding: 0;
            background: transparent;
            font-size: 13px;
        }
        .breadcrumb-nav .breadcrumb-item {
            color: var(--c-muted);
        }
        .breadcrumb-nav .breadcrumb-item a {
            color: var(--c-muted);
        }
        .breadcrumb-nav .breadcrumb-item a:hover {
            color: var(--c-primary);
        }
        .breadcrumb-nav .breadcrumb-item.active {
            color: var(--c-primary);
            font-weight: 500;
        }
        .breadcrumb-nav .breadcrumb-item + .breadcrumb-item::before {
            color: #B0B8C0;
            content: '›';
            padding: 0 10px;
        }
        .article-h1 {
            font-size: 36px;
            font-weight: 700;
            color: var(--c-text);
            line-height: 1.35;
            max-width: 840px;
            margin: 0 0 20px;
            letter-spacing: .5px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            align-items: center;
            color: var(--c-muted);
            font-size: 14px;
        }
        .article-meta span {
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .article-meta i {
            color: var(--c-accent);
            font-size: 14px;
        }
        .article-main {
            padding: 56px 0 64px;
        }
        .article-body {
            background: var(--c-white);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 48px 56px;
            line-height: 1.8;
            color: #374151;
        }
        .article-body h2 {
            font-size: 26px;
            font-weight: 700;
            color: var(--c-primary);
            margin: 40px 0 16px;
            line-height: 1.4;
        }
        .article-body h3 {
            font-size: 20px;
            font-weight: 600;
            color: var(--c-text);
            margin: 30px 0 12px;
            line-height: 1.5;
        }
        .article-body p {
            margin-bottom: 20px;
            color: #374151;
        }
        .article-body blockquote {
            border-left: 4px solid var(--c-accent);
            background: rgba(232, 169, 58, .08);
            padding: 18px 22px;
            border-radius: 0 var(--radius-sm) var(--radius-sm) 0;
            margin: 24px 0;
            color: #4B5563;
            font-style: italic;
        }
        .article-body ul,
        .article-body ol {
            margin: 16px 0 24px;
            padding-left: 26px;
        }
        .article-body li {
            margin-bottom: 8px;
            line-height: 1.75;
            color: #374151;
        }
        .article-body img {
            max-width: 100%;
            border-radius: var(--radius-md);
            margin: 24px 0;
            box-shadow: var(--shadow-sm);
        }
        .article-body a {
            color: var(--c-primary);
            text-decoration: underline;
        }
        .article-body a:hover {
            color: var(--c-primary-dark);
        }
        .article-body code {
            background: #F3F4F6;
            padding: 2px 8px;
            border-radius: 4px;
            font-size: 14px;
            color: var(--c-primary);
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 15px;
        }
        .article-body table th {
            background: rgba(30, 94, 126, .06);
            font-weight: 600;
            padding: 10px 14px;
            border: 1px solid var(--c-border);
            color: var(--c-primary);
        }
        .article-body table td {
            padding: 10px 14px;
            border: 1px solid var(--c-border);
        }
        .not-found-card {
            text-align: center;
            padding: 48px 24px;
        }
        .not-found-card img {
            max-width: 220px;
            border-radius: var(--radius-md);
            margin-bottom: 24px;
            box-shadow: var(--shadow-sm);
        }
        .not-found-card h2 {
            font-size: 24px;
            color: var(--c-text);
            margin-bottom: 12px;
        }
        .not-found-card p {
            color: var(--c-muted);
            margin-bottom: 24px;
        }
        .article-bottom {
            margin-top: 40px;
            padding-top: 32px;
            border-top: 1px solid var(--c-border);
        }
        .article-tag-list {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
            margin-bottom: 32px;
        }
        .article-tag {
            background: rgba(30, 94, 126, .06);
            color: var(--c-primary);
            font-size: 13px;
            padding: 6px 16px;
            border-radius: 20px;
            border: 1px solid rgba(30, 94, 126, .12);
            transition: all .25s ease;
            display: inline-flex;
            align-items: center;
            gap: 5px;
        }
        .article-tag:hover {
            background: var(--c-primary);
            color: #fff;
            border-color: var(--c-primary);
        }
        .article-tag i {
            font-size: 11px;
        }
        .post-navigation {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 20px;
            margin-top: 8px;
        }
        .post-nav-card {
            background: rgba(245, 247, 249, .7);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            transition: all .3s ease;
            display: block;
        }
        .post-nav-card:hover {
            border-color: var(--c-primary);
            box-shadow: var(--shadow-hover);
            background: #fff;
            transform: translateY(-2px);
        }
        .post-nav-card span {
            display: block;
            font-size: 13px;
            color: var(--c-muted);
            margin-bottom: 6px;
        }
        .post-nav-card strong {
            display: block;
            font-size: 15px;
            font-weight: 600;
            color: var(--c-text);
            line-height: 1.5;
        }
        .post-nav-card:hover strong {
            color: var(--c-primary);
        }
        .post-nav-next {
            text-align: right;
        }
        .related-section {
            padding: 64px 0 72px;
            background: var(--c-bg);
        }
        .section-heading {
            text-align: center;
            margin-bottom: 44px;
        }
        .section-heading .section-subtitle {
            color: var(--c-muted);
            font-size: 15px;
            display: block;
            margin-bottom: 8px;
            letter-spacing: 2px;
        }
        .section-heading h2 {
            font-size: 30px;
            font-weight: 700;
            color: var(--c-text);
            margin: 0;
            position: relative;
            display: inline-block;
            padding-bottom: 14px;
        }
        .section-heading h2::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 50%;
            transform: translateX(-50%);
            width: 48px;
            height: 3px;
            border-radius: 4px;
            background: var(--c-accent);
        }
        .related-card {
            background: #fff;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: all .3s ease;
            height: 100%;
            display: flex;
            flex-direction: column;
        }
        .related-card:hover {
            box-shadow: var(--shadow-hover);
            transform: translateY(-4px);
        }
        .related-card .card-img-wrap {
            position: relative;
            aspect-ratio: 16 / 10;
            overflow: hidden;
            background: #E9EDF1;
        }
        .related-card .card-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .related-card:hover .card-img-wrap img {
            transform: scale(1.05);
        }
        .related-card .card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(30, 94, 126, .85);
            color: #fff;
            font-size: 12px;
            padding: 4px 14px;
            border-radius: 20px;
            backdrop-filter: blur(4px);
        }
        .related-card .card-body {
            padding: 22px 24px 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .related-card h3 {
            font-size: 18px;
            font-weight: 600;
            color: var(--c-text);
            line-height: 1.5;
            margin-bottom: 10px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card p {
            font-size: 14px;
            color: var(--c-muted);
            line-height: 1.7;
            flex: 1;
            margin: 0 0 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .related-card .card-meta {
            font-size: 12px;
            color: #9CA3AF;
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .cta-section {
            padding: 72px 0;
            background: rgba(30, 94, 126, .04);
            border-top: 1px solid rgba(229, 231, 235, .5);
        }
        .cta-card {
            background: linear-gradient(120deg, var(--c-footer-bg) 0%, #1D3345 100%);
            border-radius: 20px;
            padding: 48px 56px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            color: #fff;
            box-shadow: 0 16px 40px rgba(20, 34, 43, .2);
        }
        .cta-text h2 {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 8px;
            color: #fff;
        }
        .cta-text p {
            color: rgba(255, 255, 255, .75);
            font-size: 15px;
            margin: 0;
        }
        .cta-actions {
            display: flex;
            gap: 14px;
            flex-shrink: 0;
        }
        .site-footer {
            background: var(--c-footer-bg);
            color: var(--c-footer-text);
            padding: 64px 0 0;
        }
        .footer-top {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, .08);
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 16px;
        }
        .footer-brand .brand-icon {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            background: linear-gradient(135deg, #2E7D97 0%, var(--c-primary) 100%);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 17px;
        }
        .footer-brand .brand-text {
            color: #fff;
            font-size: 20px;
            font-weight: 700;
        }
        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            color: rgba(156, 163, 175, .8);
            margin: 0;
            max-width: 320px;
        }
        .footer-title {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }
        .footer-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 2px;
            background: var(--c-accent);
            border-radius: 2px;
        }
        .footer-links {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-links a {
            color: var(--c-footer-text);
            font-size: 14px;
            transition: color .2s ease;
        }
        .footer-links a:hover {
            color: #fff;
        }
        .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--c-footer-text);
        }
        .footer-contact i {
            color: var(--c-accent);
            font-size: 14px;
            margin-top: 4px;
        }
        .footer-bottom {
            padding: 22px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(156, 163, 175, .6);
            border-top: 1px solid rgba(255, 255, 255, .06);
        }
        .footer-bottom p {
            margin: 0;
        }
        @media (max-width: 1200px) {
            .header-actions .btn-ghost {
                display: none;
            }
        }
        @media (max-width: 991.98px) {
            .main-nav {
                display: none;
            }
            .header-actions {
                display: none;
            }
            .nav-toggle {
                display: inline-flex;
                align-items: center;
                justify-content: center;
            }
            .header-inner {
                justify-content: space-between;
            }
            .article-page-banner {
                padding: 48px 0 36px;
            }
            .article-h1 {
                font-size: 30px;
            }
        }
        @media (max-width: 767.98px) {
            .article-page-banner {
                background: linear-gradient(180deg, rgba(255, 255, 255, .98) 0%, rgba(245, 247, 249, .98) 100%);
                padding: 40px 0 32px;
            }
            .article-h1 {
                font-size: 26px;
                line-height: 1.4;
                margin-bottom: 14px;
            }
            .article-meta {
                gap: 10px 16px;
                font-size: 13px;
            }
            .article-main {
                padding: 32px 0 48px;
            }
            .article-body {
                padding: 28px 24px;
                border-radius: var(--radius-md);
            }
            .article-body h2 {
                font-size: 22px;
                margin: 30px 0 12px;
            }
            .article-body h3 {
                font-size: 18px;
            }
            .post-navigation {
                grid-template-columns: 1fr;
                gap: 12px;
            }
            .post-nav-card {
                padding: 16px 20px;
            }
            .post-nav-next {
                text-align: left;
                border-left: 3px solid var(--c-primary);
            }
            .related-section {
                padding: 48px 0;
            }
            .section-heading h2 {
                font-size: 24px;
            }
            .related-card h3 {
                font-size: 16px;
            }
            .cta-card {
                flex-direction: column;
                padding: 36px 28px;
                text-align: center;
            }
            .cta-actions {
                flex-direction: column;
                width: 100%;
            }
            .cta-actions .btn {
                width: 100%;
            }
            .cta-text h2 {
                font-size: 22px;
            }
            .footer-top {
                grid-template-columns: 1fr;
                gap: 36px;
                padding-bottom: 36px;
            }
            .footer-desc {
                max-width: 100%;
            }
        }
        @media (max-width: 575.98px) {
            .brand-text {
                font-size: 18px;
            }
            .brand-icon {
                width: 36px;
                height: 36px;
                font-size: 15px;
            }
            .article-bottom {
                margin-top: 28px;
                padding-top: 24px;
            }
            .article-tag-list {
                margin-bottom: 24px;
            }
            .article-tag {
                font-size: 12px;
                padding: 5px 12px;
            }
            .related-card .card-body {
                padding: 18px 20px;
            }
            .footer-bottom {
                padding: 18px 0;
                font-size: 12px;
            }
        }