/* roulang page: index */
:root {
            --c-primary: #0E7490;
            --c-primary-dark: #155E75;
            --c-primary-deeper: #164E63;
            --c-accent: #F59E0B;
            --c-accent-dark: #B45309;
            --c-surface: #F8FAFC;
            --c-ink-dark: #0F172A;
            --c-ink-body: #475569;
            --c-ink-light: #94A3B8;
            --c-line: #E2E8F0;
            --c-success: #10B981;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-badge: 999px;
            --shadow-sm: 0 1px 3px rgba(14, 116, 144, 0.06);
            --shadow-md: 0 4px 12px rgba(14, 116, 144, 0.08);
            --shadow-lg: 0 12px 32px rgba(14, 116, 144, 0.12);
            --container-pad: clamp(1rem, 4vw, 3rem);
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
            -webkit-text-size-adjust: 100%;
        }
        body {
            font-family: "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK SC", sans-serif;
            line-height: 1.7;
            color: var(--c-ink-body);
            background: var(--c-surface);
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: color .2s ease;
        }
        button {
            font-family: inherit;
            cursor: pointer;
            border: none;
            background: none;
        }
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: 14px;
            color: var(--c-ink-dark);
        }
        .container-site {
            max-width: 1200px;
            margin: 0 auto;
            padding-left: var(--container-pad);
            padding-right: var(--container-pad);
        }
        .section-block {
            padding-top: clamp(64px, 8vw, 112px);
            padding-bottom: clamp(64px, 8vw, 112px);
        }
        .section-title {
            font-size: clamp(1.75rem, 3.5vw, 2.5rem);
            font-weight: 900;
            color: var(--c-ink-dark);
            line-height: 1.25;
            letter-spacing: -0.02em;
        }
        .section-subtitle {
            font-size: 1rem;
            color: var(--c-ink-light);
            margin-top: 8px;
            max-width: 560px;
            line-height: 1.7;
        }
        /* Header */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            height: 68px;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            -webkit-backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--c-line);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 100%;
            max-width: 1200px;
            margin: 0 auto;
            padding-left: var(--container-pad);
            padding-right: var(--container-pad);
        }
        .header-left {
            display: flex;
            align-items: center;
            gap: 32px;
            flex: 1;
        }
        .header-right {
            display: flex;
            align-items: center;
            gap: 20px;
        }
        .logo-badge {
            width: 36px;
            height: 36px;
            border-radius: 10px;
            background: var(--c-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            color: #fff;
            font-size: 18px;
            font-weight: 900;
            position: relative;
            flex-shrink: 0;
        }
        .logo-badge::after {
            content: '';
            position: absolute;
            width: 8px;
            height: 8px;
            background: var(--c-accent);
            border-radius: 50%;
            bottom: 2px;
            right: 2px;
            border: 2px solid #fff;
        }
        .logo-text {
            font-size: 20px;
            font-weight: 900;
            color: var(--c-ink-dark);
            letter-spacing: -0.01em;
            white-space: nowrap;
        }
        .logo-text span {
            color: var(--c-primary);
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 28px;
            list-style: none;
        }
        .nav-links a {
            font-size: 15px;
            font-weight: 500;
            color: #334155;
            position: relative;
            padding: 6px 2px;
            transition: color .2s;
        }
        .nav-links a:hover {
            color: var(--c-primary);
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 0;
            height: 2px;
            background: var(--c-primary);
            border-radius: 2px;
            transition: width .25s ease;
        }
        .nav-links a:hover::after,
        .nav-links a.active::after {
            width: 100%;
        }
        .nav-links a.active {
            color: var(--c-primary);
            font-weight: 600;
        }
        /* CTA button */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            border-radius: var(--radius-btn);
            font-size: 14px;
            font-weight: 600;
            line-height: 1;
            padding: 12px 24px;
            transition: all .25s ease;
            white-space: nowrap;
            border: 1.5px solid transparent;
        }
        .btn-primary {
            background: var(--c-primary);
            color: #fff;
            border-color: var(--c-primary);
        }
        .btn-primary:hover {
            background: var(--c-primary-dark);
            border-color: var(--c-primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: none;
        }
        .btn-outline {
            background: transparent;
            color: #334155;
            border-color: #94A3B8;
        }
        .btn-outline:hover {
            border-color: var(--c-primary);
            color: var(--c-primary);
            background: rgba(14, 116, 144, 0.04);
        }
        .btn-dark {
            background: var(--c-ink-dark);
            color: #fff;
            border-color: var(--c-ink-dark);
        }
        .btn-dark:hover {
            background: #1E293B;
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .btn-accent {
            background: var(--c-accent);
            color: #fff;
            border-color: var(--c-accent);
        }
        .btn-accent:hover {
            background: var(--c-accent-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .btn-sm {
            padding: 9px 18px;
            font-size: 13px;
        }
        /* Search */
        .search-trigger {
            width: 40px;
            height: 40px;
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #334155;
            border: 1px solid var(--c-line);
            background: #fff;
            transition: all .25s;
        }
        .search-trigger:hover {
            border-color: var(--c-primary);
            color: var(--c-primary);
            box-shadow: var(--shadow-sm);
        }
        .search-box {
            position: absolute;
            top: 60px;
            right: var(--container-pad);
            width: 320px;
            background: #fff;
            border-radius: 12px;
            box-shadow: var(--shadow-lg);
            border: 1px solid var(--c-line);
            padding: 12px;
            display: none;
            z-index: 200;
        }
        .search-box.show {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .search-box input {
            flex: 1;
            border: none;
            outline: none;
            font-size: 14px;
            padding: 8px 10px;
            background: var(--c-surface);
            border-radius: 8px;
        }
        .search-box button {
            background: var(--c-primary);
            color: #fff;
            border-radius: 8px;
            padding: 8px 14px;
            font-size: 13px;
            font-weight: 600;
            transition: background .2s;
        }
        .search-box button:hover {
            background: var(--c-primary-dark);
        }
        /* Hero */
        .hero-section {
            position: relative;
            background: linear-gradient(135deg, #F0F9FF 0%, #ECFEFF 100%);
            overflow: hidden;
        }
        .hero-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 48px;
            min-height: 540px;
            align-items: center;
            padding-top: 48px;
            padding-bottom: 48px;
        }
        .hero-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(14, 116, 144, 0.08);
            color: var(--c-primary);
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: var(--radius-badge);
            margin-bottom: 20px;
        }
        .hero-title {
            font-size: clamp(2.5rem, 5vw, 4.25rem);
            font-weight: 900;
            color: var(--c-ink-dark);
            line-height: 1.12;
            letter-spacing: -0.02em;
            margin-bottom: 20px;
        }
        .hero-title .accent-text {
            color: var(--c-primary);
        }
        .hero-subtitle {
            font-size: clamp(1rem, 1.5vw, 1.125rem);
            color: var(--c-ink-body);
            line-height: 1.75;
            max-width: 520px;
            margin-bottom: 32px;
        }
        .hero-actions {
            display: flex;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 40px;
        }
        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 36px;
            border-top: 1px solid rgba(14, 116, 144, 0.15);
            padding-top: 24px;
        }
        .stat-item .stat-value {
            font-size: 28px;
            font-weight: 900;
            color: var(--c-ink-dark);
            line-height: 1.2;
        }
        .stat-item .stat-value em {
            font-style: normal;
            color: var(--c-accent);
            font-size: 16px;
            margin-left: 2px;
        }
        .stat-item .stat-label {
            font-size: 13px;
            color: var(--c-ink-light);
            margin-top: 4px;
        }
        .hero-visual {
            position: relative;
            border-radius: 20px;
            overflow: hidden;
            min-height: 420px;
            box-shadow: var(--shadow-lg);
        }
        .hero-visual img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }
        .hero-badge-date {
            position: absolute;
            top: 20px;
            left: 20px;
            background: var(--c-accent);
            color: #fff;
            padding: 10px 18px;
            border-radius: 12px;
            font-size: 14px;
            font-weight: 700;
            box-shadow: 0 4px 16px rgba(245, 158, 11, 0.35);
            display: flex;
            align-items: center;
            gap: 6px;
        }
        .hero-badge-venue {
            position: absolute;
            bottom: 20px;
            left: 20px;
            background: rgba(255, 255, 255, 0.95);
            backdrop-filter: blur(8px);
            padding: 10px 16px;
            border-radius: 12px;
            font-size: 13px;
            font-weight: 600;
            color: var(--c-ink-dark);
            box-shadow: var(--shadow-md);
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .hero-badge-venue i {
            color: var(--c-primary);
        }
        /* Section headers */
        .grid-section-header {
            margin-bottom: 48px;
        }
        /* Timeline */
        .timeline-wrap {
            position: relative;
            padding-top: 24px;
        }
        .timeline-line {
            position: absolute;
            top: 48px;
            left: 0;
            right: 0;
            height: 2px;
            border-top: 2px dashed rgba(14, 116, 144, 0.3);
            z-index: 0;
        }
        .timeline-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
            position: relative;
            z-index: 1;
        }
        .timeline-node {
            text-align: center;
        }
        .timeline-dot {
            width: 20px;
            height: 20px;
            border-radius: 50%;
            background: var(--c-primary);
            margin: 0 auto 16px;
            position: relative;
            box-shadow: 0 0 0 6px rgba(14, 116, 144, 0.18);
        }
        .timeline-card {
            background: #fff;
            border-radius: 12px;
            padding: 24px;
            box-shadow: var(--shadow-sm);
            border: 1px solid var(--c-line);
            text-align: left;
            transition: all .3s ease;
            margin-top: 16px;
        }
        .timeline-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: rgba(14, 116, 144, 0.3);
        }
        .timeline-date-badge {
            display: inline-block;
            background: rgba(245, 158, 11, 0.12);
            color: var(--c-accent-dark);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 12px;
            border-radius: var(--radius-badge);
            margin-bottom: 12px;
        }
        .timeline-card h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--c-ink-dark);
            margin-bottom: 6px;
        }
        .timeline-card p {
            font-size: 14px;
            color: var(--c-ink-body);
            line-height: 1.7;
        }
        /* Speaker cards */
        .speaker-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 24px;
        }
        .speaker-card {
            background: #fff;
            border-radius: var(--radius-card);
            overflow: hidden;
            border: 1px solid var(--c-line);
            box-shadow: var(--shadow-sm);
            transition: all .3s ease;
            cursor: pointer;
        }
        .speaker-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-md);
            border-color: rgba(14, 116, 144, 0.25);
        }
        .speaker-img {
            aspect-ratio: 1/1;
            overflow: hidden;
            position: relative;
            background: var(--c-primary);
        }
        .speaker-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .speaker-card:hover .speaker-img img {
            transform: scale(1.05);
        }
        .speaker-info {
            padding: 20px 24px;
        }
        .speaker-name {
            font-size: 18px;
            font-weight: 700;
            color: var(--c-ink-dark);
        }
        .speaker-role {
            font-size: 13px;
            color: var(--c-ink-light);
            margin-top: 4px;
        }
        .speaker-bio {
            font-size: 14px;
            color: var(--c-ink-body);
            margin-top: 10px;
            line-height: 1.6;
        }
        /* Ticket tier */
        .ticket-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
            align-items: stretch;
        }
        .ticket-card {
            background: #fff;
            border-radius: 20px;
            border: 1px solid var(--c-line);
            padding: 32px 28px;
            box-shadow: var(--shadow-sm);
            position: relative;
            transition: all .3s ease;
            display: flex;
            flex-direction: column;
        }
        .ticket-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
        }
        .ticket-card.featured {
            border: 2px solid var(--c-primary);
            box-shadow: 0 8px 32px rgba(14, 116, 144, 0.12);
            transform: translateY(-16px);
        }
        .ticket-card.featured:hover {
            transform: translateY(-20px);
            box-shadow: 0 12px 40px rgba(14, 116, 144, 0.18);
        }
        .ticket-badge {
            position: absolute;
            top: -14px;
            left: 50%;
            transform: translateX(-50%);
            background: var(--c-accent);
            color: #fff;
            font-size: 12px;
            font-weight: 700;
            padding: 6px 18px;
            border-radius: 999px;
            white-space: nowrap;
            box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
        }
        .ticket-name {
            font-size: 18px;
            font-weight: 700;
            color: var(--c-ink-dark);
            text-align: center;
            margin-bottom: 8px;
        }
        .ticket-price {
            text-align: center;
            margin-bottom: 24px;
        }
        .ticket-price .price-num {
            font-size: 44px;
            font-weight: 900;
            color: var(--c-ink-dark);
            line-height: 1;
        }
        .ticket-price .price-num em {
            font-style: normal;
            font-size: 16px;
            margin-left: 2px;
            color: var(--c-ink-light);
            font-weight: 500;
        }
        .ticket-features {
            list-style: none;
            flex: 1;
            margin-bottom: 28px;
        }
        .ticket-features li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            color: var(--c-ink-body);
            padding: 6px 0;
        }
        .ticket-features li .icon-ok {
            color: var(--c-success);
            flex-shrink: 0;
            font-size: 13px;
            margin-top: 4px;
        }
        .ticket-features li .icon-no {
            color: var(--c-ink-light);
            flex-shrink: 0;
            font-size: 13px;
            margin-top: 4px;
        }
        .ticket-card .btn {
            width: 100%;
        }
        /* Registration form */
        .register-section {
            background: linear-gradient(180deg, var(--c-surface) 0%, #ECFEFF 100%);
        }
        .register-grid {
            display: grid;
            grid-template-columns: 3fr 2fr;
            gap: 40px;
        }
        .form-card {
            background: #fff;
            border-radius: 20px;
            box-shadow: var(--shadow-md);
            border: 1px solid var(--c-line);
            padding: 40px;
        }
        .form-group {
            margin-bottom: 20px;
        }
        .form-group label {
            display: block;
            font-size: 13px;
            font-weight: 600;
            color: #334155;
            margin-bottom: 8px;
        }
        .form-group .required {
            color: #EF4444;
            margin-left: 2px;
        }
        .form-control {
            width: 100%;
            height: 48px;
            border: 1px solid var(--c-line);
            border-radius: 10px;
            padding: 0 16px;
            font-size: 14px;
            background: #fff;
            transition: border .2s, box-shadow .2s;
            outline: none;
        }
        .form-control:focus {
            border-color: var(--c-primary);
            box-shadow: 0 0 0 3px rgba(14, 116, 144, 0.15);
        }
        textarea.form-control {
            height: auto;
            padding: 14px 16px;
            resize: vertical;
            min-height: 100px;
        }
        .form-row {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 16px;
        }
        .info-card {
            background: var(--c-ink-dark);
            border-radius: 20px;
            padding: 40px;
            color: #fff;
            position: relative;
            overflow: hidden;
        }
        .info-card::before {
            content: '';
            position: absolute;
            top: -80px;
            right: -80px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(14, 116, 144, 0.4);
        }
        .info-card h3 {
            font-size: 24px;
            font-weight: 800;
            margin-bottom: 16px;
        }
        .info-card p {
            font-size: 14px;
            color: #A5B4CB;
            line-height: 1.8;
            margin-bottom: 24px;
        }
        .info-list {
            list-style: none;
        }
        .info-list li {
            display: flex;
            align-items: flex-start;
            gap: 12px;
            padding: 10px 0;
            font-size: 14px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.1);
        }
        .info-list li i {
            color: var(--c-accent);
            margin-top: 4px;
        }
        .info-list li:last-child {
            border-bottom: none;
        }
        /* News CMS */
        .news-first-card {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            background: #fff;
            border-radius: 20px;
            overflow: hidden;
            border: 1px solid var(--c-line);
            box-shadow: var(--shadow-sm);
            transition: all .3s ease;
            margin-bottom: 24px;
        }
        .news-first-card:hover {
            box-shadow: var(--shadow-md);
        }
        .news-first-img {
            min-height: 280px;
            position: relative;
            background: var(--c-primary);
        }
        .news-first-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            position: absolute;
            inset: 0;
        }
        .news-first-content {
            padding: 32px;
            display: flex;
            flex-direction: column;
            justify-content: center;
        }
        .news-list-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }
        .news-item-card {
            background: #fff;
            border-radius: 16px;
            border: 1px solid var(--c-line);
            padding: 28px 24px;
            display: flex;
            flex-direction: column;
            box-shadow: var(--shadow-sm);
            transition: all .3s ease;
            position: relative;
        }
        .news-item-card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: rgba(14, 116, 144, 0.3);
        }
        .news-item-card .news-link-arrow {
            position: absolute;
            right: 20px;
            top: 24px;
            color: var(--c-ink-light);
            font-size: 14px;
            opacity: 0;
            transform: translateX(-6px);
            transition: all .3s ease;
        }
        .news-item-card:hover .news-link-arrow {
            opacity: 1;
            transform: translateX(0);
            color: var(--c-primary);
        }
        .news-item-card h3 {
            font-size: 17px;
            font-weight: 600;
            color: var(--c-ink-dark);
            margin-bottom: 10px;
            line-height: 1.45;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            padding-right: 24px;
        }
        .news-item-card p {
            font-size: 14px;
            color: var(--c-ink-body);
            line-height: 1.65;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
            margin-bottom: 16px;
        }
        .news-meta {
            display: flex;
            align-items: center;
            gap: 14px;
            margin-top: auto;
        }
        .news-meta .news-time {
            font-size: 12px;
            color: var(--c-ink-light);
        }
        .tag-badge {
            display: inline-block;
            background: rgba(14, 116, 144, 0.08);
            color: var(--c-primary);
            font-size: 12px;
            font-weight: 600;
            padding: 3px 12px;
            border-radius: 999px;
        }
        .news-empty {
            grid-column: 1 / -1;
            text-align: center;
            padding: 60px 32px;
            background: #fff;
            border-radius: 20px;
            border: 1px dashed var(--c-line);
        }
        .news-empty i {
            font-size: 40px;
            color: var(--c-ink-light);
            margin-bottom: 12px;
        }
        .news-empty p {
            font-size: 15px;
            color: var(--c-ink-light);
        }
        /* FAQ */
        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }
        .faq-item {
            background: #fff;
            border-radius: 12px;
            border: 1px solid var(--c-line);
            margin-bottom: 12px;
            overflow: hidden;
            transition: border .25s ease;
        }
        .faq-item:hover {
            border-color: rgba(14, 116, 144, 0.4);
        }
        .faq-item.open {
            border-color: var(--c-primary);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 22px 28px;
            cursor: pointer;
            font-size: 16px;
            font-weight: 600;
            color: var(--c-ink-dark);
        }
        .faq-question .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: rgba(14, 116, 144, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 14px;
            color: var(--c-primary);
            flex-shrink: 0;
            transition: all .3s ease;
        }
        .faq-item.open .faq-icon {
            background: var(--c-primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease;
        }
        .faq-item.open .faq-answer {
            max-height: 300px;
        }
        .faq-answer-inner {
            padding: 0 28px 24px;
            font-size: 14px;
            color: var(--c-ink-body);
            line-height: 1.75;
            border-top: 1px solid var(--c-line);
            margin-top: 0;
            padding-top: 18px;
        }
        /* CTA banner */
        .cta-banner {
            background: linear-gradient(120deg, var(--c-primary-deeper) 0%, var(--c-primary) 100%);
            border-radius: 24px;
            padding: 56px 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 40px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
        }
        .cta-banner::before {
            content: '';
            position: absolute;
            top: -40px;
            right: 10%;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.05);
        }
        .cta-banner h2 {
            font-size: clamp(1.5rem, 3vw, 2rem);
            font-weight: 800;
            color: #fff;
            margin-bottom: 8px;
        }
        .cta-banner p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 15px;
        }
        .cta-banner .btn-accent {
            font-size: 16px;
            padding: 16px 36px;
        }
        /* Footer */
        .site-footer {
            background: var(--c-ink-dark);
            color: #94A3B8;
            padding-top: 72px;
            margin-top: 80px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 56px;
        }
        .footer-brand .logo-text {
            color: #fff;
            margin-bottom: 16px;
        }
        .footer-brand p {
            font-size: 14px;
            line-height: 1.8;
            color: #94A3B8;
            max-width: 320px;
        }
        .footer-col h4 {
            font-size: 15px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
        }
        .footer-col ul {
            list-style: none;
        }
        .footer-col ul li {
            margin-bottom: 12px;
        }
        .footer-col ul a {
            font-size: 14px;
            color: #94A3B8;
            transition: color .2s;
        }
        .footer-col ul a:hover {
            color: #E2E8F0;
        }
        .footer-contact li {
            display: flex;
            align-items: flex-start;
            gap: 10px;
            font-size: 14px;
            margin-bottom: 14px;
            color: #94A3B8;
        }
        .footer-contact li i {
            color: var(--c-accent);
            margin-top: 4px;
        }
        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.08);
            padding: 24px 0;
            background: #0B1120;
        }
        .footer-bottom .container-site {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 12px;
        }
        .footer-bottom p {
            font-size: 13px;
            color: #64748B;
        }
        /* Mobile nav */
        .mobile-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            border: 1px solid var(--c-line);
            background: #fff;
            color: var(--c-ink-dark);
            font-size: 16px;
            align-items: center;
            justify-content: center;
        }
        .mobile-menu {
            position: fixed;
            top: 68px;
            left: 0;
            right: 0;
            background: #fff;
            border-bottom: 1px solid var(--c-line);
            padding: 24px;
            box-shadow: 0 12px 32px rgba(0, 0, 0, 0.08);
            z-index: 99;
            display: none;
        }
        .mobile-menu.show {
            display: block;
        }
        .mobile-menu .nav-links {
            flex-direction: column;
            align-items: flex-start;
            gap: 16px;
        }
        .mobile-menu .btn {
            margin-top: 16px;
            width: 100%;
        }
        /* Scrollbar */
        ::-webkit-scrollbar {
            width: 8px;
            height: 8px;
        }
        ::-webkit-scrollbar-track {
            background: var(--c-surface);
        }
        ::-webkit-scrollbar-thumb {
            background: #CBD5E1;
            border-radius: 4px;
        }
        /* Responsive */
        @media (max-width: 1024px) {
            .timeline-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .speaker-grid {
                grid-template-columns: repeat(2, 1fr);
            }
            .ticket-grid {
                grid-template-columns: 1fr;
                max-width: 480px;
                margin: 0 auto;
            }
            .ticket-card.featured {
                transform: none;
                margin-top: 32px;
            }
            .ticket-card.featured:hover {
                transform: translateY(-4px);
            }
            .register-grid {
                grid-template-columns: 1fr;
            }
            .news-first-card {
                grid-template-columns: 1fr;
            }
            .news-first-img {
                min-height: 220px;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
            }
            .hero-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-visual {
                min-height: 320px;
            }
            .header-right .search-trigger {
                display: none;
            }
        }
        @media (max-width: 768px) {
            .nav-links {
                display: none;
            }
            .mobile-toggle {
                display: flex;
            }
            .header-left {
                gap: 12px;
            }
            .header-right .btn-sm {
                display: none;
            }
            .hero-stats {
                gap: 20px;
            }
            .stat-item .stat-value {
                font-size: 22px;
            }
            .form-row {
                grid-template-columns: 1fr;
            }
            .news-list-grid {
                grid-template-columns: 1fr;
            }
            .cta-banner {
                padding: 40px 28px;
                flex-direction: column;
                text-align: center;
            }
            .section-block {
                padding-top: 56px;
                padding-bottom: 56px;
            }
        }
        @media (max-width: 520px) {
            .timeline-grid {
                grid-template-columns: 1fr;
            }
            .speaker-grid {
                grid-template-columns: 1fr;
            }
            .ticket-grid {
                max-width: 100%;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .hero-section .container-site {
                padding-left: 20px;
                padding-right: 20px;
            }
            .form-card {
                padding: 28px 20px;
            }
            .header-inner {
                padding-left: 16px;
                padding-right: 16px;
            }
        }

/* roulang page: article */
:root {
  --c-primary: #0E7490;
  --c-primary-dark: #155E75;
  --c-primary-deep: #164E63;
  --c-accent: #F59E0B;
  --c-success: #10B981;
  --c-bg: #F8FAFC;
  --c-surface: #FFFFFF;
  --c-text: #0F172A;
  --c-body: #475569;
  --c-muted: #94A3B8;
  --c-border: #E2E8F0;
  --c-sky: #38BDF8;
  --radius-card: 16px;
  --radius-btn: 10px;
  --radius-pill: 999px;
  --shadow-sm: 0 1px 3px rgba(0,0,0,0.05);
  --shadow-md: 0 4px 12px rgba(14,116,144,0.08);
  --shadow-lg: 0 8px 24px rgba(14,116,144,0.12);
  --font-sans: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Noto Sans CJK 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-body);
  line-height: 1.6;
  font-size: 16px;
  -webkit-font-smoothing: antialiased;
}
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: all .25s ease; }
button, input, select, textarea { font-family: inherit; }
.container-site { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
.logo-badge {
  width: 38px; height: 38px; border-radius: 10px;
  background: var(--c-primary);
  display: flex; align-items: center; justify-content: center;
  font-weight: 900; font-size: 18px; color: #fff;
  flex-shrink: 0;
}
.logo-text { font-size: 20px; font-weight: 900; color: var(--c-text); letter-spacing: 0.5px; }
.logo-text span:first-child { color: var(--c-primary); }

.site-header {
  position: sticky; top: 0; z-index: 100;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(12px);
  border-bottom: 1px solid var(--c-border);
  height: 68px;
}
.header-inner { display: flex; align-items: center; justify-content: space-between; height: 68px; gap: 24px; }
.header-left { display: flex; align-items: center; gap: 32px; }
.header-right { display: flex; align-items: center; gap: 16px; }
.nav-links { display: flex; align-items: center; gap: 28px; list-style: none; }
.nav-links a {
  font-size: 15px; font-weight: 500; color: #334155;
  position: relative; padding: 6px 2px;
}
.nav-links a::after {
  content: ''; position: absolute; left: 0; bottom: 0; width: 0; height: 2px;
  background: var(--c-primary); border-radius: 2px; transition: width .3s ease;
}
.nav-links a:hover { color: var(--c-primary); }
.nav-links a:hover::after, .nav-links a.active::after { width: 100%; }
.nav-links a.active { color: var(--c-primary); font-weight: 600; }
.btn {
  display: inline-flex; align-items: center; justify-content: center;
  border-radius: var(--radius-btn); font-weight: 600;
  padding: 10px 22px; font-size: 14px; border: none;
  cursor: pointer; transition: all .3s ease; text-align: center;
}
.btn-cta { background: var(--c-primary); color: #fff; }
.btn-cta:hover { background: var(--c-primary-dark); transform: translateY(-2px); box-shadow: var(--shadow-md); }
.btn-outline { background: transparent; color: #334155; border: 1.5px solid #94A3B8; }
.btn-outline:hover { border-color: var(--c-primary); color: var(--c-primary); transform: translateY(-2px); }
.btn-dark { background: var(--c-text); color: #fff; }
.btn-dark:hover { background: #1E293B; transform: translateY(-2px); box-shadow: var(--shadow-lg); }
.btn-sm { padding: 8px 16px; font-size: 13px; }

.hamburger { display: none; background: none; border: none; cursor: pointer; padding: 8px; }
.hamburger span { display: block; width: 22px; height: 2px; background: var(--c-text); margin: 5px 0; transition: all .3s; border-radius: 2px; }

.breadcrumb-bar {
  background: #fff; border-bottom: 1px solid var(--c-border);
  padding: 16px 0;
}
.breadcrumb-nav { display: flex; align-items: center; gap: 8px; font-size: 14px; }
.breadcrumb-nav a { color: var(--c-muted); }
.breadcrumb-nav a:hover { color: var(--c-primary); }
.breadcrumb-sep { color: #CBD5E1; }
.breadcrumb-current { color: #334155; font-weight: 500; max-width: 320px; overflow: hidden; text-overflow: ellipsis; white-space: nowrap; }

.article-hero {
  position: relative;
  background: linear-gradient(135deg, rgba(15,23,42,0.88) 0%, rgba(14,116,144,0.78) 100%), url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  padding: 72px 0 64px;
  color: #fff;
}
.article-heading { max-width: 860px; }
.cat-badge {
  display: inline-flex; align-items: center; gap: 6px;
  background: rgba(245,158,11,0.2); color: #FCD34D;
  padding: 5px 14px; border-radius: var(--radius-pill);
  font-size: 13px; font-weight: 600; margin-bottom: 18px;
  border: 1px solid rgba(245,158,11,0.3);
}
.article-heading h1 {
  font-size: clamp(1.75rem, 3.5vw, 2.5rem);
  font-weight: 900; line-height: 1.25; margin-bottom: 20px;
  color: #F8FAFC;
}
.meta-bar { display: flex; flex-wrap: wrap; gap: 20px; font-size: 13px; color: rgba(226,232,240,0.8); }
.meta-item { display: inline-flex; align-items: center; gap: 6px; }
.meta-item i { color: var(--c-sky); }

.article-main { padding: 56px 0 72px; }
.article-layout { max-width: 800px; margin: 0 auto; }
.article-body {
  background: var(--c-surface);
  border-radius: var(--radius-card);
  padding: clamp(28px, 5vw, 48px);
  border: 1px solid var(--c-border);
  box-shadow: var(--shadow-sm);
}
.article-content {
  font-size: 16.5px; line-height: 1.7; color: var(--c-body);
}
.article-content h3 {
  font-size: 1.45rem; font-weight: 800; color: var(--c-text);
  margin: 2rem 0 0.9rem; line-height: 1.3;
}
.article-content h4 {
  font-size: 1.18rem; font-weight: 700; color: var(--c-text);
  margin: 1.6rem 0 0.7rem;
}
.article-content p { margin-bottom: 1.25rem; line-height: 1.75; }
.article-content ul, .article-content ol { margin: 0 0 1.25rem 1.4rem; line-height: 1.75; }
.article-content li { margin-bottom: 4px; }
.article-content img { border-radius: 12px; margin: 1.5rem 0; box-shadow: var(--shadow-md); }
.article-content blockquote {
  border-left: 4px solid var(--c-primary);
  padding: 14px 20px; margin: 1.5rem 0;
  background: #F0F9FA; border-radius: 0 12px 12px 0;
  color: var(--c-primary-deep); font-style: italic;
}
.article-content a { color: var(--c-primary); font-weight: 500; }
.article-content a:hover { text-decoration: underline; }
.article-content figure { margin: 1.5rem 0; }
.article-content figcaption { text-align: center; font-size: 13px; color: var(--c-muted); margin-top: 8px; }

.content-not-found { text-align: center; padding: 60px 20px; }
.not-found-icon { font-size: 52px; color: var(--c-muted); margin-bottom: 20px; }
.content-not-found h3 { font-size: 1.6rem; color: var(--c-text); margin-bottom: 12px; font-weight: 800; }
.content-not-found p { color: var(--c-muted); margin-bottom: 28px; }

.related-section { padding: 72px 0; background: #fff; border-top: 1px solid var(--c-border); }
.section-header { display: flex; justify-content: space-between; align-items: flex-end; gap: 20px; flex-wrap: wrap; margin-bottom: 40px; }
.section-title-wrap { display: flex; align-items: center; gap: 12px; }
.section-tag {
  display: inline-block; background: rgba(14,116,144,0.1); color: var(--c-primary);
  padding: 4px 12px; border-radius: var(--radius-pill); font-size: 12px; font-weight: 700;
  letter-spacing: 0.5px;
}
.section-title-wrap h2 { font-size: 1.8rem; font-weight: 900; color: var(--c-text); }
.section-links { display: flex; gap: 18px; font-size: 14px; }
.section-links a { color: #334155; font-weight: 500; display: inline-flex; align-items: center; gap: 6px; }
.section-links a:hover { color: var(--c-primary); }
.section-links a i { font-size: 12px; transition: transform .3s; }
.section-links a:hover i { transform: translateX(3px); }

.related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.related-card {
  background: var(--c-surface); border: 1px solid var(--c-border);
  border-radius: var(--radius-card); overflow: hidden;
  transition: all .3s ease; box-shadow: var(--shadow-sm);
}
.related-card:hover { transform: translateY(-4px); box-shadow: var(--shadow-lg); border-color: rgba(14,116,144,0.3); }
.related-thumb { position: relative; aspect-ratio: 16/10; overflow: hidden; }
.related-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform .5s ease; }
.related-card:hover .related-thumb img { transform: scale(1.05); }
.card-arrow {
  position: absolute; right: 12px; bottom: 12px;
  width: 32px; height: 32px; border-radius: 50%;
  background: rgba(255,255,255,0.92); color: var(--c-primary);
  display: flex; align-items: center; justify-content: center;
  font-size: 14px; opacity: 0; transform: translateY(6px); transition: all .3s;
}
.related-card:hover .card-arrow { opacity: 1; transform: translateY(0); }
.related-info { padding: 20px 22px 22px; }
.related-info h3 { font-size: 16px; font-weight: 700; color: var(--c-text); line-height: 1.45; margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.related-card:hover .related-info h3 { color: var(--c-primary); }
.related-info p { font-size: 14px; color: #64748B; line-height: 1.6; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; margin-bottom: 14px; }
.related-meta { display: flex; align-items: center; gap: 12px; }
.card-date { font-size: 12px; color: var(--c-muted); }
.card-cat {
  font-size: 12px; color: var(--c-primary); background: rgba(14,116,144,0.08);
  padding: 2px 10px; border-radius: var(--radius-pill); font-weight: 600;
}

.cta-section {
  position: relative;
  background: linear-gradient(120deg, var(--c-primary) 0%, var(--c-primary-deep) 100%);
  padding: 64px 0;
  color: #fff;
  text-align: center;
}
.cta-inner { max-width: 640px; margin: 0 auto; }
.cta-inner h2 { font-size: clamp(1.5rem, 3vw, 2rem); font-weight: 900; margin-bottom: 14px; }
.cta-inner p { font-size: 16px; opacity: 0.9; line-height: 1.7; margin-bottom: 28px; }
.cta-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.cta-actions .btn { background: #fff; color: var(--c-primary); box-shadow: 0 4px 16px rgba(0,0,0,0.15); }
.cta-actions .btn:hover { transform: translateY(-2px); box-shadow: 0 8px 24px rgba(0,0,0,0.2); }
.cta-actions .btn-alt { background: transparent; color: #fff; border: 2px solid rgba(255,255,255,0.6); }
.cta-actions .btn-alt:hover { border-color: #fff; color: #fff; }

.site-footer { background: #0F172A; color: #94A3B8; font-size: 14px; }
.site-footer .container-site { padding-top: 56px; padding-bottom: 24px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.2fr; gap: 40px; }
.footer-brand p { line-height: 1.7; color: #94A3B8; max-width: 340px; }
.footer-col h4 {
  color: #E2E8F0; font-size: 15px; font-weight: 700;
  margin-bottom: 18px; letter-spacing: 0.5px;
}
.footer-col ul { list-style: none; }
.footer-col ul li { margin-bottom: 10px; }
.footer-col ul a { color: #94A3B8; transition: all .25s; }
.footer-col ul a:hover { color: #E2E8F0; padding-left: 4px; }
.footer-contact li { display: flex; align-items: center; gap: 10px; color: #94A3B8; }
.footer-contact i { color: var(--c-sky); width: 16px; text-align: center; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.08);
  background: #0B1120;
  padding: 20px 0; font-size: 13px;
}
.footer-bottom .container-site { display: flex; justify-content: space-between; align-items: center; gap: 16px; padding-top: 0; padding-bottom: 0; flex-wrap: wrap; }
.footer-bottom p { color: #64748B; }

@media (max-width: 1024px) {
  .related-grid { grid-template-columns: repeat(2, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; gap: 32px; }
}
@media (max-width: 768px) {
  .site-header { height: 60px; }
  .header-inner { height: 60px; }
  .nav-links { display: none; }
  .hamburger { display: block; }
  .header-left { gap: 16px; }
  .header-right .btn-cta { display: none; }
  .article-hero { padding: 52px 0 48px; }
  .breadcrumb-current { max-width: 180px; }
  .article-main { padding: 40px 0 56px; }
  .related-grid { grid-template-columns: 1fr; }
  .section-header { flex-direction: column; align-items: flex-start; }
  .footer-bottom .container-site { flex-direction: column; text-align: center; }
}
@media (max-width: 520px) {
  .container-site { padding: 0 18px; }
  .article-body { padding: 22px 18px; }
  .related-grid { grid-template-columns: 1fr; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .cta-section { padding: 48px 0; }
  .meta-bar { gap: 12px; font-size: 12px; }
  .header-inner { gap: 12px; }
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
        :root {
            --c-primary: #0E7490;
            --c-primary-dark: #155E75;
            --c-primary-deep: #164E63;
            --c-accent: #F59E0B;
            --c-success: #10B981;
            --c-bg: #F8FAFC;
            --c-card: #FFFFFF;
            --c-title: #0F172A;
            --c-text: #475569;
            --c-muted: #94A3B8;
            --c-border: #E2E8F0;
            --radius-card: 16px;
            --radius-btn: 10px;
            --radius-badge: 999px;
            --shadow-sm: 0 1px 3px rgba(14, 116, 144, 0.06);
            --shadow-md: 0 6px 20px rgba(14, 116, 144, 0.08);
            --shadow-lg: 0 12px 36px rgba(14, 116, 144, 0.12);
            --font-sans: 'PingFang SC', 'Hiragino Sans GB', 'Microsoft YaHei', 'Noto Sans CJK SC', sans-serif;
            --container-max: 1280px;
            --space-section: clamp(64px, 8vw, 120px);
        }

        /* ===== 基础 Reset ===== */
        *,
        *::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);
            font-size: 16px;
            line-height: 1.7;
            -webkit-font-smoothing: antialiased;
        }
        img {
            max-width: 100%;
            display: block;
        }
        a {
            text-decoration: none;
            color: inherit;
            transition: color .2s ease;
        }
        ul,
        ol {
            list-style: none;
        }
        button {
            border: none;
            background: none;
            cursor: pointer;
            font-family: inherit;
        }
        input,
        select,
        textarea {
            font-family: inherit;
            font-size: inherit;
        }
        .w-full {
            width: 100%;
        }

        /* ===== 容器 ===== */
        .container-site {
            max-width: var(--container-max);
            margin: 0 auto;
            padding-left: 24px;
            padding-right: 24px;
        }

        /* ===== 按钮 ===== */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            padding: 12px 28px;
            border-radius: var(--radius-btn);
            font-size: 15px;
            font-weight: 700;
            line-height: 1.4;
            transition: all .2s ease;
            cursor: pointer;
            white-space: nowrap;
            gap: 8px;
        }
        .btn-primary {
            background: var(--c-primary);
            color: #fff;
        }
        .btn-primary:hover {
            background: var(--c-primary-dark);
            transform: translateY(-2px);
            box-shadow: var(--shadow-md);
        }
        .btn-primary:active {
            transform: translateY(0);
            box-shadow: var(--shadow-sm);
        }
        .btn-outline {
            border: 1.5px solid var(--c-border);
            color: var(--c-title);
            background: transparent;
        }
        .btn-outline:hover {
            border-color: var(--c-primary);
            color: var(--c-primary);
            transform: translateY(-2px);
        }
        .btn-dark {
            background: #0F172A;
            color: #fff;
        }
        .btn-dark:hover {
            background: #1e293b;
            transform: translateY(-2px);
        }
        .btn-light {
            background: #fff;
            color: var(--c-primary);
        }
        .btn-light:hover {
            background: #f1f5f9;
            transform: translateY(-2px);
        }
        .btn-sm {
            padding: 8px 18px;
            font-size: 14px;
        }
        .btn-lg {
            padding: 16px 40px;
            font-size: 17px;
        }

        /* ===== 卡片 ===== */
        .card {
            background: var(--c-card);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-card);
            box-shadow: var(--shadow-sm);
            transition: box-shadow .25s ease, transform .25s ease, border-color .25s ease;
        }
        .card:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-4px);
            border-color: rgba(14, 116, 144, 0.25);
        }

        /* ===== 徽章 ===== */
        .badge {
            display: inline-flex;
            align-items: center;
            gap: 4px;
            padding: 4px 14px;
            border-radius: var(--radius-badge);
            font-size: 12px;
            font-weight: 600;
            line-height: 1.4;
        }
        .badge-accent {
            background: rgba(245, 158, 11, .12);
            color: #B45309;
        }
        .badge-primary {
            background: rgba(14, 116, 144, .1);
            color: var(--c-primary);
        }
        .badge-success {
            background: rgba(16, 185, 129, .12);
            color: #047857;
        }

        /* ===== 标题 ===== */
        .section-title {
            font-size: clamp(1.75rem, 3vw, 2.25rem);
            font-weight: 900;
            color: var(--c-title);
            line-height: 1.2;
            margin-bottom: 12px;
        }
        .section-subtitle {
            font-size: 16px;
            color: var(--c-text);
            max-width: 640px;
            line-height: 1.7;
        }
        .section-head {
            display: flex;
            align-items: flex-end;
            justify-content: space-between;
            gap: 16px;
            margin-bottom: 48px;
            flex-wrap: wrap;
        }
        .section-more {
            color: var(--c-primary);
            font-weight: 600;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap .2s ease;
        }
        .section-more:hover {
            color: var(--c-primary-dark);
            gap: 10px;
        }

        /* ===== 头部导航 ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(12px);
            -webkit-backdrop-filter: blur(12px);
            border-bottom: 1px solid var(--c-border);
        }
        .header-inner {
            display: flex;
            align-items: center;
            justify-content: space-between;
            height: 72px;
            gap: 24px;
        }
        .header-left {
            display: flex;
            align-items: center;
            gap: 40px;
            flex: 1;
            min-width: 0;
        }
        .logo {
            display: flex;
            align-items: center;
            gap: 10px;
            flex-shrink: 0;
        }
        .logo-badge {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: var(--c-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            font-weight: 900;
            position: relative;
        }
        .logo-badge::before {
            content: '';
            position: absolute;
            inset: -3px;
            border-radius: 50%;
            border: 2px solid var(--c-accent);
            opacity: .5;
        }
        .logo-text {
            font-size: 20px;
            font-weight: 900;
            color: var(--c-title);
            letter-spacing: 1px;
            line-height: 1.2;
        }
        .logo-text > span:first-child {
            color: #38BDF8;
        }
        .nav-links {
            display: flex;
            align-items: center;
            gap: 32px;
        }
        .nav-links a {
            font-size: 15px;
            font-weight: 600;
            color: #334155;
            position: relative;
            padding: 4px 2px;
            transition: color .2s ease;
        }
        .nav-links a::after {
            content: '';
            position: absolute;
            bottom: -2px;
            left: 0;
            right: 100%;
            height: 2px;
            border-radius: 2px;
            background: var(--c-primary);
            transition: right .25s ease;
        }
        .nav-links a:hover {
            color: var(--c-primary);
        }
        .nav-links a:hover::after,
        .nav-links a.active::after {
            right: 0;
        }
        .nav-links a.active {
            color: var(--c-primary);
        }
        .header-right {
            display: flex;
            align-items: center;
            gap: 16px;
        }
        .search-toggle {
            width: 40px;
            height: 40px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: #334155;
            background: transparent;
            transition: all .2s ease;
        }
        .search-toggle:hover {
            background: rgba(14, 116, 144, .08);
            color: var(--c-primary);
        }
        .search-box {
            display: none;
            align-items: center;
            gap: 8px;
            background: #fff;
            border: 1px solid var(--c-border);
            border-radius: var(--radius-btn);
            padding: 4px 4px 4px 16px;
            box-shadow: var(--shadow-md);
            animation: fadeIn .25s ease;
        }
        .search-box.open {
            display: flex;
        }
        .search-box input {
            border: none;
            outline: none;
            font-size: 14px;
            width: 180px;
            background: transparent;
            color: var(--c-title);
        }
        .search-box button {
            width: 34px;
            height: 34px;
            border-radius: 8px;
            background: var(--c-primary);
            color: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            transition: background .2s ease;
        }
        .search-box button:hover {
            background: var(--c-primary-dark);
        }
        .menu-toggle {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            align-items: center;
            justify-content: center;
            font-size: 18px;
            color: #334155;
            background: transparent;
            transition: background .2s ease;
        }
        .menu-toggle:hover {
            background: rgba(14, 116, 144, .08);
        }
        @keyframes fadeIn {
            from {
                opacity: 0;
                transform: translateY(-4px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        /* ===== 移动端导航 ===== */
        .mobile-nav {
            position: fixed;
            top: 72px;
            left: 0;
            right: 0;
            z-index: 99;
            background: #fff;
            border-bottom: 1px solid var(--c-border);
            padding: 16px 24px 24px;
            box-shadow: var(--shadow-md);
            transform: translateY(-120%);
            transition: transform .3s ease, visibility .3s ease;
            visibility: hidden;
        }
        .mobile-nav.open {
            transform: translateY(0);
            visibility: visible;
        }
        .mobile-nav-links {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .mobile-nav-links a {
            display: block;
            padding: 12px 8px;
            font-size: 15px;
            font-weight: 600;
            color: #334155;
            border-radius: 8px;
            transition: background .2s ease, color .2s ease;
        }
        .mobile-nav-links a:hover,
        .mobile-nav-links a.active {
            background: rgba(14, 116, 144, .06);
            color: var(--c-primary);
        }
        .mobile-nav-actions {
            display: flex;
            flex-direction: column;
            gap: 12px;
            margin-top: 16px;
        }

        /* ===== 分类页 Hero ===== */
        .page-hero {
            background-size: cover;
            background-position: center;
            position: relative;
            padding: 84px 0 72px;
        }
        .page-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(15, 23, 42, .92) 20%, rgba(14, 116, 144, .7) 65%, rgba(22, 78, 99, .5));
        }
        .page-hero .container-site {
            position: relative;
            z-index: 2;
        }
        .breadcrumb {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: rgba(255, 255, 255, .75);
            margin-bottom: 24px;
        }
        .breadcrumb a {
            transition: color .2s ease;
        }
        .breadcrumb a:hover {
            color: #fff;
        }
        .breadcrumb span {
            opacity: .6;
        }
        .page-hero h1 {
            font-size: clamp(2rem, 4vw, 3rem);
            font-weight: 900;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }
        .page-hero h1 span {
            color: var(--c-accent);
        }
        .page-hero p {
            font-size: 17px;
            color: rgba(255, 255, 255, .88);
            max-width: 620px;
            line-height: 1.7;
            margin-bottom: 32px;
        }
        .hero-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* ===== 统计区 ===== */
        .stats-section {
            background: #fff;
            border-bottom: 1px solid var(--c-border);
            padding: 48px 0;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
        }
        .stat-card {
            text-align: center;
            padding: 24px 16px;
        }
        .stat-card + .stat-card {
            border-left: 1px solid var(--c-border);
        }
        .stat-number {
            font-size: clamp(2rem, 4vw, 2.75rem);
            font-weight: 900;
            color: var(--c-title);
            line-height: 1.2;
        }
        .stat-number .stat-unit {
            color: var(--c-primary);
            font-size: .5em;
            margin-left: 2px;
        }
        .stat-label {
            font-size: 14px;
            color: var(--c-muted);
            margin-top: 8px;
            font-weight: 500;
        }

        /* ===== 内容 + 侧边栏 ===== */
        .content-section {
            padding: var(--space-section) 0;
        }
        .content-grid {
            display: grid;
            grid-template-columns: 1fr 360px;
            gap: 48px;
            align-items: start;
        }
        .main-content {
            min-width: 0;
        }
        .event-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 24px;
        }
        .event-card {
            overflow: hidden;
            display: flex;
            flex-direction: column;
        }
        .event-card .event-img {
            position: relative;
            aspect-ratio: 16 / 9;
            overflow: hidden;
        }
        .event-card .event-img img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .event-card:hover .event-img img {
            transform: scale(1.04);
        }
        .event-card .event-date {
            position: absolute;
            top: 14px;
            left: 14px;
            background: var(--c-accent);
            color: #fff;
            padding: 6px 14px;
            border-radius: 999px;
            font-size: 12px;
            font-weight: 700;
            display: flex;
            align-items: center;
            gap: 6px;
            box-shadow: var(--shadow-sm);
        }
        .event-card .event-body {
            padding: 24px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }
        .event-card .event-tags {
            display: flex;
            gap: 8px;
            margin-bottom: 12px;
            flex-wrap: wrap;
        }
        .event-card .event-title {
            font-size: 18px;
            font-weight: 800;
            color: var(--c-title);
            line-height: 1.4;
            margin-bottom: 10px;
            transition: color .2s ease;
        }
        .event-card:hover .event-title {
            color: var(--c-primary);
        }
        .event-card .event-desc {
            font-size: 14px;
            color: var(--c-text);
            line-height: 1.7;
            margin-bottom: 16px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .event-card .event-link {
            margin-top: auto;
            font-size: 14px;
            font-weight: 700;
            color: var(--c-primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            transition: gap .2s ease;
        }
        .event-card .event-link:hover {
            gap: 10px;
        }

        /* ===== 侧边栏 ===== */
        .sidebar {
            display: flex;
            flex-direction: column;
            gap: 32px;
        }
        .sidebar-card {
            background: #fff;
            border: 1px solid var(--c-border);
            border-radius: var(--radius-card);
            padding: 28px;
            box-shadow: var(--shadow-sm);
        }
        .sidebar-title {
            font-size: 16px;
            font-weight: 800;
            color: var(--c-title);
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }
        .sidebar-title::after {
            content: '';
            position: absolute;
            bottom: 0;
            left: 0;
            width: 28px;
            height: 3px;
            border-radius: 3px;
            background: var(--c-primary);
        }
        .sidebar-links {
            display: flex;
            flex-direction: column;
            gap: 4px;
        }
        .sidebar-links a {
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 10px 12px;
            border-radius: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--c-text);
            transition: all .2s ease;
        }
        .sidebar-links a:hover {
            background: rgba(14, 116, 144, .05);
            color: var(--c-primary);
            padding-left: 16px;
        }
        .sidebar-links a i {
            font-size: 12px;
            color: var(--c-muted);
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .tag-item {
            padding: 5px 14px;
            border-radius: 999px;
            font-size: 13px;
            font-weight: 600;
            background: rgba(14, 116, 144, .06);
            color: var(--c-primary);
            transition: all .2s ease;
            border: 1px solid transparent;
        }
        .tag-item:hover {
            background: var(--c-primary);
            color: #fff;
            border-color: var(--c-primary);
        }
        .newsletter-form {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .newsletter-form input {
            height: 46px;
            padding: 0 16px;
            border: 1px solid var(--c-border);
            border-radius: var(--radius-btn);
            font-size: 14px;
            outline: none;
            background: #fff;
            color: var(--c-title);
            transition: border-color .2s, box-shadow .2s;
        }
        .newsletter-form input:focus {
            border-color: var(--c-primary);
            box-shadow: 0 0 0 3px rgba(14, 116, 144, .1);
        }
        .newsletter-form .btn {
            width: 100%;
        }
        .newsletter-desc {
            font-size: 14px;
            color: var(--c-text);
            line-height: 1.7;
            margin-bottom: 16px;
        }

        /* ===== 参赛流程 ===== */
        .process-section {
            background: #fff;
            border-top: 1px solid var(--c-border);
            border-bottom: 1px solid var(--c-border);
            padding: var(--space-section) 0;
        }
        .process-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
        }
        .process-item {
            text-align: center;
            padding: 32px 16px;
            position: relative;
        }
        .process-icon {
            width: 72px;
            height: 72px;
            border-radius: 50%;
            margin: 0 auto 20px;
            background: rgba(14, 116, 144, .08);
            color: var(--c-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 26px;
            border: 2px dashed rgba(14, 116, 144, .3);
            transition: all .3s ease;
        }
        .process-item:hover .process-icon {
            background: var(--c-primary);
            color: #fff;
            border-color: var(--c-primary);
            transform: translateY(-4px);
        }
        .process-item h3 {
            font-size: 18px;
            font-weight: 800;
            color: var(--c-title);
            margin-bottom: 12px;
        }
        .process-item p {
            font-size: 14px;
            color: var(--c-text);
            line-height: 1.6;
        }
        .process-item:not(:last-child)::after {
            content: '\f105';
            font-family: 'Font Awesome 6 Free';
            font-weight: 900;
            position: absolute;
            right: -18px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--c-accent);
            font-size: 16px;
            z-index: 2;
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: var(--space-section) 0;
        }
        .faq-list {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }
        .faq-item {
            background: #fff;
            border: 1px solid var(--c-border);
            border-radius: 12px;
            overflow: hidden;
            transition: border-color .2s ease, box-shadow .2s ease;
        }
        .faq-item:hover {
            border-color: rgba(14, 116, 144, .4);
        }
        .faq-item.open {
            border-color: var(--c-primary);
            box-shadow: var(--shadow-sm);
        }
        .faq-question {
            width: 100%;
            display: flex;
            align-items: center;
            justify-content: space-between;
            padding: 20px 24px;
            font-size: 16px;
            font-weight: 700;
            color: var(--c-title);
            text-align: left;
            gap: 16px;
            background: #fff;
            transition: background .2s ease;
        }
        .faq-question:hover {
            background: rgba(248, 250, 252, .8);
        }
        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            flex-shrink: 0;
            background: rgba(14, 116, 144, .08);
            color: var(--c-primary);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            transition: all .2s ease;
        }
        .faq-item.open .faq-icon {
            background: var(--c-primary);
            color: #fff;
            transform: rotate(45deg);
        }
        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height .35s ease, padding .35s ease;
            padding: 0 24px;
            font-size: 15px;
            color: var(--c-text);
            line-height: 1.7;
        }
        .faq-item.open .faq-answer {
            max-height: 320px;
            padding: 0 24px 20px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background-size: cover;
            background-position: center;
            position: relative;
            padding: var(--space-section) 0;
        }
        .cta-section::before {
            content: '';
            position: absolute;
            inset: 0;
            background: rgba(15, 23, 42, .78);
        }
        .cta-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 720px;
            margin: 0 auto;
        }
        .cta-content h2 {
            font-size: clamp(1.75rem, 3.5vw, 2.5rem);
            font-weight: 900;
            color: #fff;
            line-height: 1.2;
            margin-bottom: 16px;
        }
        .cta-content p {
            font-size: 16px;
            color: rgba(255, 255, 255, .85);
            line-height: 1.7;
            margin-bottom: 32px;
        }
        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #0F172A;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.5fr 1fr 1fr 1.2fr;
            gap: 48px;
            padding: 72px 0 48px;
        }
        .footer-brand p {
            font-size: 14px;
            color: #94A3B8;
            line-height: 1.7;
            max-width: 280px;
        }
        .footer-col h4 {
            font-size: 14px;
            font-weight: 700;
            color: #E2E8F0;
            margin-bottom: 20px;
            letter-spacing: 1px;
        }
        .footer-col ul {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }
        .footer-col ul li {
            font-size: 14px;
            color: #64748B;
        }
        .footer-col ul a {
            color: #94A3B8;
            transition: color .2s ease;
        }
        .footer-col ul a:hover {
            color: #E2E8F0;
        }
        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .footer-contact i {
            color: var(--c-accent);
            font-size: 13px;
        }
        .footer-bottom {
            background: #0B1120;
            border-top: 1px solid rgba(255, 255, 255, .06);
            padding: 20px 0;
        }
        .footer-bottom .container-site {
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 8px;
        }
        .footer-bottom p {
            font-size: 13px;
            color: #64748B;
            margin: 0;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .content-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                display: grid;
                grid-template-columns: repeat(3, 1fr);
                gap: 24px;
            }
            .process-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }
            .process-item:nth-child(2)::after {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 40px;
            }
        }
        @media (max-width: 768px) {
            .header-left {
                gap: 16px;
            }
            .nav-links {
                display: none;
            }
            .menu-toggle {
                display: flex;
            }
            .search-box.open {
                position: absolute;
                right: 80px;
                top: 72px;
                left: 24px;
                z-index: 100;
            }
            .search-box input {
                width: 100%;
            }
            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 24px;
            }
            .stat-card:nth-child(3) {
                border-left: none;
            }
            .event-grid {
                grid-template-columns: 1fr;
            }
            .sidebar {
                grid-template-columns: 1fr;
            }
            .process-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }
            .process-item:not(:last-child)::after {
                display: none;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .cta-actions {
                flex-direction: column;
            }
            .cta-actions .btn {
                width: 100%;
            }
            .header-right .btn {
                display: none;
            }
        }
        @media (max-width: 520px) {
            .page-hero {
                padding: 60px 0 40px;
            }
            .hero-actions {
                flex-direction: column;
                width: 100%;
            }
            .hero-actions .btn {
                width: 100%;
            }
            .stats-grid {
                gap: 16px;
            }
            .stat-card {
                padding: 16px 8px;
            }
            .process-item {
                padding: 24px 12px;
            }
            .footer-bottom .container-site {
                flex-direction: column;
                text-align: center;
            }
        }