/* roulang page: index */
/* ===== 设计变量 ===== */
        :root {
            --primary: #2C7BE5;
            --primary-light: #E8F1FD;
            --primary-dark: #1B5BBF;
            --accent: #FF7A2F;
            --accent-gradient: linear-gradient(135deg, #FF8F47, #FF7A2F);
            --bg: #F5F8FC;
            --card: #FFFFFF;
            --text: #16283C;
            --muted: #5A7184;
            --border: #E3EBF6;
            --footer-bg: #16283C;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 6px 20px rgba(16, 42, 80, .06);
            --shadow-hover: 0 12px 28px rgba(16, 42, 80, .10);
            --font-heading: "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-mono: "DIN Alternate", "Roboto Mono", monospace;
            --bs-primary: #2C7BE5;
            --bs-link-color: #2C7BE5;
            --bs-link-hover-color: #1B5BBF;
            --bs-body-font-family: var(--font-body);
        }

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

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

        body {
            font-family: var(--font-body);
            font-size: 16px;
            line-height: 1.7;
            color: var(--text);
            background: var(--bg);
            overflow-x: hidden;
        }

        img {
            max-width: 100%;
            height: auto;
            border-radius: 12px;
            object-fit: cover;
        }

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

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

        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            font-family: var(--font-heading);
            font-weight: 700;
            color: var(--text);
            line-height: 1.3;
        }

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

        /* ===== 通用按钮 ===== */
        .btn {
            font-family: var(--font-heading);
            font-weight: 600;
            border-radius: var(--radius-sm);
            padding: .75rem 1.5rem;
            font-size: 15px;
            transition: all .25s ease;
            border: 1px solid transparent;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
        }

        .btn-primary {
            background-color: var(--primary);
            border-color: var(--primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(44, 123, 229, .25);
        }

        .btn-primary:hover,
        .btn-primary:active {
            background-color: var(--primary-dark);
            border-color: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 18px rgba(27, 91, 191, .30);
        }

        .btn-outline-primary {
            background: transparent;
            border: 1px solid var(--primary);
            color: var(--primary);
        }

        .btn-outline-primary:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
        }

        .btn-accent {
            background: var(--accent-gradient);
            border: none;
            color: #fff;
            border-radius: 12px;
            padding: .85rem 1.75rem;
            font-size: 16px;
            box-shadow: 0 4px 16px rgba(255, 122, 47, .30);
        }

        .btn-accent:hover {
            filter: brightness(.94);
            color: #fff;
            transform: translateX(2px);
            box-shadow: 0 6px 20px rgba(255, 122, 47, .40);
        }

        .btn-accent:disabled {
            background: #b0b8c4;
            box-shadow: none;
            cursor: not-allowed;
            transform: none;
        }

        .btn:focus,
        .btn-primary:focus,
        .btn-outline-primary:focus,
        .btn-accent:focus {
            outline: 3px solid rgba(44, 123, 229, .30);
            outline-offset: 2px;
            box-shadow: none;
        }

        /* ===== 顶部导航卡片面板 ===== */
        .site-header {
            padding-top: 16px;
            position: relative;
            z-index: 1050;
        }

        .nav-card {
            background: rgba(255, 255, 255, .88);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            padding: 14px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
        }

        .brand {
            display: flex;
            align-items: center;
            gap: 2px;
            flex-shrink: 0;
            font-family: var(--font-heading);
            font-weight: 800;
            font-size: 22px;
            line-height: 1.2;
            white-space: nowrap;
        }

        .brand-jbo {
            color: var(--primary);
            letter-spacing: -0.5px;
        }

        .brand-name {
            color: var(--text);
            font-weight: 700;
        }

        .nav-links {
            display: flex;
            align-items: center;
            gap: 8px;
            flex-wrap: wrap;
        }

        .nav-link-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            background: #F0F6FE;
            color: var(--text);
            font-size: 14px;
            font-weight: 600;
            font-family: var(--font-heading);
            transition: all .25s ease;
        }

        .nav-link-item i {
            font-size: 14px;
            color: var(--primary);
        }

        .nav-link-item:hover {
            background: #E3EEFC;
            color: var(--primary-dark);
            transform: translateY(-2px);
        }

        .nav-link-item.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(44, 123, 229, .25);
        }

        .nav-link-item.active i {
            color: #fff;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 14px;
            flex-shrink: 0;
        }

        .login-link {
            color: var(--muted);
            font-size: 14px;
            font-weight: 600;
            padding: 6px 10px;
            border-radius: 8px;
            transition: all .2s;
        }

        .login-link:hover {
            color: var(--primary);
            background: var(--primary-light);
        }

        .btn-register {
            background: var(--primary);
            color: #fff;
            border-radius: var(--radius-sm);
            padding: 8px 20px;
            font-size: 14px;
            font-weight: 600;
            transition: all .25s;
            border: none;
        }

        .btn-register:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
        }

        .mobile-toggle {
            display: none;
            background: transparent;
            border: 1px solid var(--border);
            border-radius: 8px;
            width: 44px;
            height: 44px;
            font-size: 18px;
            color: var(--text);
            cursor: pointer;
            align-items: center;
            justify-content: center;
            transition: all .2s;
        }

        .mobile-toggle:hover {
            background: var(--primary-light);
        }

        .mobile-nav {
            display: none;
            background: #fff;
            border-radius: 0 0 16px 16px;
            padding: 12px 20px;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            border-top: none;
            flex-direction: column;
            gap: 8px;
            margin-top: -4px;
        }

        .mobile-nav.active {
            display: flex;
        }

        .mobile-nav a {
            padding: 12px 16px;
            border-radius: 10px;
            background: #F7FAFD;
            color: var(--text);
            font-weight: 600;
            font-size: 15px;
            display: flex;
            align-items: center;
            gap: 10px;
            transition: all .2s;
        }

        .mobile-nav a:hover {
            background: var(--primary-light);
            color: var(--primary);
        }

        .mobile-nav a.active {
            background: var(--primary);
            color: #fff;
        }

        /* ===== Hero区域 ===== */
        .hero-section {
            background: linear-gradient(180deg, #EAF2FC 0%, #F5F8FC 100%);
            padding: 32px 0 80px;
            position: relative;
            overflow: hidden;
        }

        .hero-section::before {
            content: '';
            position: absolute;
            top: 40px;
            right: -80px;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: rgba(44, 123, 229, .05);
            z-index: 0;
        }

        .countdown-bar {
            background: var(--primary-light);
            border-radius: 14px;
            padding: 14px 22px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            flex-wrap: wrap;
            border: 1px solid rgba(44, 123, 229, .15);
            margin-bottom: 48px;
            position: relative;
            z-index: 1;
        }

        .countdown-label {
            font-size: 14px;
            font-weight: 600;
            color: var(--primary-dark);
            display: flex;
            align-items: center;
            gap: 8px;
            white-space: nowrap;
        }

        .countdown-label i {
            font-size: 16px;
            color: var(--primary);
        }

        .countdown-timer {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .countdown-item {
            background: #fff;
            border-radius: 10px;
            padding: 8px 12px;
            min-width: 60px;
            text-align: center;
            box-shadow: 0 2px 8px rgba(44, 123, 229, .10);
            border: 1px solid rgba(255, 255, 255, .8);
        }

        .countdown-num {
            font-family: var(--font-mono);
            font-size: 28px;
            font-weight: 700;
            color: var(--text);
            line-height: 1.1;
            display: block;
        }

        .countdown-unit {
            font-size: 12px;
            color: var(--muted);
            display: block;
            margin-top: 2px;
            font-weight: 500;
        }

        .countdown-sep {
            color: rgba(44, 123, 229, .4);
            font-size: 20px;
            font-weight: 700;
        }

        .countdown-btn {
            background: var(--primary);
            color: #fff;
            border: none;
            border-radius: 10px;
            padding: 10px 22px;
            font-size: 14px;
            font-weight: 600;
            font-family: var(--font-heading);
            transition: all .25s;
            box-shadow: 0 4px 12px rgba(44, 123, 229, .25);
        }

        .countdown-btn:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
        }

        .hero-main {
            position: relative;
            z-index: 1;
        }

        .hero-content {
            padding-right: 20px;
        }

        .hero-tagline {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, .8);
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 6px 16px;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            margin-bottom: 20px;
            box-shadow: 0 2px 8px rgba(44, 123, 229, .08);
        }

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

        .hero-title {
            font-size: 40px;
            font-weight: 800;
            line-height: 1.25;
            color: var(--text);
            margin-bottom: 16px;
            letter-spacing: -0.02em;
        }

        .hero-title .highlight {
            color: var(--primary);
        }

        .hero-subtitle {
            font-size: 16px;
            color: var(--muted);
            margin-bottom: 28px;
            max-width: 480px;
            line-height: 1.7;
        }

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

        .hero-image-wrap {
            position: relative;
            text-align: center;
        }

        .hero-image-wrap img {
            width: 100%;
            max-height: 460px;
            object-fit: cover;
            border-radius: 20px;
            box-shadow: var(--shadow-hover);
            border: 4px solid #fff;
        }

        .hero-image-badge {
            position: absolute;
            bottom: 20px;
            left: 20px;
            background: rgba(255, 255, 255, .85);
            border-radius: 12px;
            padding: 10px 16px;
            font-size: 13px;
            font-weight: 600;
            color: var(--text);
            display: flex;
            align-items: center;
            gap: 8px;
            box-shadow: 0 4px 16px rgba(16, 42, 80, .15);
            backdrop-filter: blur(4px);
        }

        .hero-image-badge i {
            color: var(--accent);
            font-size: 16px;
        }

        /* ===== 活动卖点区 ===== */
        .features-section {
            padding: 80px 0;
            background: var(--bg);
        }

        .section-header {
            text-align: center;
            max-width: 640px;
            margin: 0 auto 56px;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-light);
            color: var(--primary);
            border-radius: 20px;
            padding: 5px 16px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 14px;
        }

        .section-title {
            font-size: 32px;
            font-weight: 800;
            margin-bottom: 12px;
            letter-spacing: -0.01em;
        }

        .section-desc {
            color: var(--muted);
            font-size: 15px;
            line-height: 1.7;
        }

        .features-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
            max-width: 960px;
            margin: 0 auto;
        }

        .feature-card {
            background: var(--card);
            border: 1px solid #EDF2F9;
            border-radius: var(--radius);
            padding: 24px;
            box-shadow: var(--shadow);
            display: flex;
            gap: 18px;
            align-items: flex-start;
            position: relative;
            overflow: hidden;
            transition: all .25s ease;
        }

        .feature-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            width: 2px;
            height: 40px;
            background: var(--primary);
            border-radius: 0 2px 2px 0;
        }

        .feature-card:nth-child(2)::before {
            top: auto;
            bottom: 0;
            left: auto;
            right: 0;
            border-radius: 2px 0 0 2px;
            height: 56px;
        }

        .feature-card:nth-child(3)::before {
            top: 50%;
            transform: translateY(-50%);
            height: 36px;
        }

        .feature-card:nth-child(4)::before {
            top: 0;
            left: auto;
            right: 0;
            border-radius: 0 2px 2px 0;
            height: 44px;
        }

        .feature-icon {
            width: 52px;
            height: 52px;
            border-radius: 12px;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            font-size: 20px;
            color: var(--primary);
        }

        .feature-body {
            flex: 1;
        }

        .feature-title {
            font-size: 17px;
            font-weight: 700;
            margin-bottom: 6px;
            font-family: var(--font-heading);
        }

        .feature-text {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.6;
            margin: 0;
        }

        .feature-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(44, 123, 229, .20);
        }

        /* ===== 亮点图墙 ===== */
        .gallery-section {
            padding: 60px 0 80px;
            background: #fff;
        }

        .gallery-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr;
            gap: 24px;
            margin-bottom: 32px;
        }

        .gallery-item {
            position: relative;
            border-radius: 12px;
            overflow: hidden;
            border: 1px solid var(--border);
            box-shadow: var(--shadow);
            transition: transform .3s ease, box-shadow .3s ease;
        }

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

        .gallery-item img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            display: block;
        }

        .gallery-main-img {
            height: 420px;
        }

        .gallery-sub-wrap {
            display: grid;
            grid-template-rows: 1fr 1fr;
            gap: 24px;
        }

        .gallery-sub-img {
            height: 198px;
        }

        .gallery-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            background: rgba(255, 255, 255, .85);
            border-radius: 8px;
            padding: 6px 14px;
            font-size: 13px;
            font-weight: 600;
            color: var(--text);
            display: inline-flex;
            align-items: center;
            gap: 6px;
            backdrop-filter: blur(4px);
            box-shadow: 0 2px 8px rgba(16, 42, 80, .12);
        }

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

        /* 跑马灯 */
        .marquee-wrap {
            overflow: hidden;
            background: var(--primary-light);
            border-radius: 12px;
            padding: 14px 0;
            border: 1px solid rgba(44, 123, 229, .12);
            position: relative;
        }

        .marquee-track {
            display: flex;
            gap: 48px;
            padding-left: 100%;
            white-space: nowrap;
            animation: marquee 30s linear infinite;
            will-change: transform;
        }

        .marquee-track span {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            color: var(--text);
        }

        .marquee-track span::before {
            content: '';
            width: 6px;
            height: 6px;
            border-radius: 50%;
            background: var(--primary);
            flex-shrink: 0;
        }

        @keyframes marquee {
            0% { transform: translateX(0); }
            100% { transform: translateX(-100%); }
        }

        /* ===== CTA大区 ===== */
        .cta-section {
            padding: 40px 0 80px;
            background: var(--bg);
        }

        .cta-inner {
            background: var(--primary-light);
            border-radius: 24px;
            padding: 60px 48px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
            flex-wrap: wrap;
            position: relative;
            overflow: hidden;
            border: 1px solid rgba(44, 123, 229, .15);
        }

        .cta-inner::before {
            content: '';
            position: absolute;
            top: -30px;
            right: -30px;
            width: 140px;
            height: 140px;
            border-radius: 50%;
            background: rgba(44, 123, 229, .06);
        }

        .cta-inner::after {
            content: '';
            position: absolute;
            bottom: -20px;
            left: 60px;
            width: 100px;
            height: 100px;
            border-radius: 50%;
            background: rgba(255, 122, 47, .06);
        }

        .cta-content {
            position: relative;
            z-index: 1;
            flex: 1;
            min-width: 280px;
        }

        .cta-title {
            font-size: 28px;
            font-weight: 800;
            margin-bottom: 10px;
            font-family: var(--font-heading);
        }

        .cta-desc {
            font-size: 15px;
            color: var(--muted);
            margin: 0;
        }

        .cta-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            position: relative;
            z-index: 1;
            flex-shrink: 0;
        }

        /* ===== FAQ区 ===== */
        .faq-section {
            padding: 80px 0;
            background: #fff;
        }

        .faq-layout {
            display: grid;
            grid-template-columns: 280px 1fr;
            gap: 48px;
            align-items: start;
        }

        .faq-sidebar {
            position: sticky;
            top: 30px;
        }

        .faq-sidebar-title {
            font-size: 24px;
            font-weight: 800;
            margin-bottom: 12px;
            font-family: var(--font-heading);
        }

        .faq-sidebar-desc {
            color: var(--muted);
            font-size: 14px;
            line-height: 1.7;
            margin-bottom: 20px;
        }

        .faq-support-card {
            background: var(--primary-light);
            border-radius: 14px;
            padding: 20px;
            display: flex;
            align-items: center;
            gap: 14px;
            border: 1px solid rgba(44, 123, 229, .15);
        }

        .faq-support-icon {
            width: 44px;
            height: 44px;
            border-radius: 10px;
            background: #fff;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 18px;
            box-shadow: 0 2px 8px rgba(44, 123, 229, .10);
        }

        .faq-support-text {
            font-size: 13px;
            color: var(--muted);
            line-height: 1.4;
        }

        .faq-support-text strong {
            display: block;
            color: var(--text);
            font-size: 15px;
            margin-bottom: 2px;
        }

        .accordion {
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .accordion-item {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: 14px;
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: border-color .3s;
        }

        .accordion-item:hover {
            border-color: rgba(44, 123, 229, .3);
        }

        .accordion-button {
            background: #fff;
            color: var(--text);
            font-size: 16px;
            font-weight: 600;
            font-family: var(--font-heading);
            padding: 20px 24px;
            box-shadow: none !important;
            border-radius: 14px 14px 0 0;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            cursor: pointer;
            border: none;
            width: 100%;
            text-align: left;
            transition: background .25s;
        }

        .accordion-button:hover {
            background: #FAFCFF;
        }

        .accordion-button:focus {
            box-shadow: none;
            outline: 2px solid rgba(44, 123, 229, .2);
            outline-offset: -2px;
        }

        .accordion-button:not(.collapsed) {
            background: var(--primary-light);
            color: var(--primary-dark);
        }

        .accordion-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 16px;
            color: var(--primary);
            flex-shrink: 0;
            transition: all .25s;
        }

        .accordion-button:not(.collapsed) .accordion-icon {
            background: var(--primary);
            color: #fff;
            transform: rotate(45deg);
        }

        .accordion-body {
            background: #F8FBFE;
            padding: 20px 24px;
            border-top: 1px solid var(--border);
            font-size: 14px;
            line-height: 1.8;
            color: var(--muted);
        }

        .accordion-body ul {
            padding-left: 18px;
            margin: 0;
        }

        .accordion-body li {
            margin-bottom: 4px;
        }

        /* ===== 最新资讯 ===== */
        .news-section {
            padding: 80px 0;
            background: var(--bg);
        }

        .news-grid {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

        .news-card {
            background: var(--card);
            border: 1px solid var(--border);
            border-radius: 14px;
            padding: 16px;
            box-shadow: var(--shadow);
            display: flex;
            gap: 16px;
            align-items: center;
            transition: all .25s ease;
        }

        .news-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(44, 123, 229, .2);
        }

        .news-thumb {
            width: 120px;
            height: 80px;
            border-radius: 10px;
            overflow: hidden;
            flex-shrink: 0;
            background: var(--primary-light);
            display: flex;
            align-items: center;
            justify-content: center;
        }

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

        .news-thumb i {
            font-size: 20px;
            color: var(--primary);
        }

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

        .news-title {
            font-size: 16px;
            font-weight: 700;
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
            font-family: var(--font-heading);
        }

        .news-title a {
            color: var(--text);
        }

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

        .news-summary {
            font-size: 14px;
            color: var(--muted);
            line-height: 1.5;
            margin-bottom: 6px;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }

        .news-meta {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 12px;
            color: var(--muted);
        }

        .badge {
            background: var(--primary-light);
            color: var(--primary-dark);
            font-size: 12px;
            font-weight: 600;
            padding: 4px 10px;
            border-radius: 6px;
        }

        .news-date {
            color: var(--muted);
        }

        .read-more {
            margin-left: auto;
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            transition: all .25s;
        }

        .read-more:hover {
            color: var(--primary-dark);
            transform: translateX(3px);
            display: inline-block;
        }

        .empty-news {
            border: 2px dashed var(--border);
            border-radius: 16px;
            padding: 40px;
            text-align: center;
            color: var(--muted);
            font-size: 15px;
            background: #FAFCFE;
        }

        .empty-news i {
            display: block;
            font-size: 32px;
            color: var(--primary);
            margin-bottom: 12px;
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: var(--footer-bg);
            color: rgba(255, 255, 255, .8);
            padding: 60px 0 0;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 2fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 40px;
        }

        .footer-col-title {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 18px;
            padding-left: 12px;
            position: relative;
            font-family: var(--font-heading);
        }

        .footer-col-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 6px;
            width: 2px;
            height: 14px;
            background: var(--primary);
        }

        .footer-brand {
            font-size: 20px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
            font-family: var(--font-heading);
        }

        .footer-brand .brand-jbo {
            color: #5BA0F5;
        }

        .footer-desc {
            font-size: 14px;
            line-height: 1.7;
            color: rgba(255, 255, 255, .65);
            margin: 0;
        }

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

        .footer-links a {
            color: rgba(255, 255, 255, .7);
            font-size: 14px;
            transition: all .2s;
        }

        .footer-links a:hover {
            color: #fff;
            padding-left: 4px;
        }

        .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

        .footer-contact li {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 14px;
            color: rgba(255, 255, 255, .7);
        }

        .footer-contact li i {
            color: var(--primary);
            font-size: 16px;
            width: 20px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .10);
            padding: 18px 0;
            text-align: center;
            font-size: 13px;
            color: rgba(255, 255, 255, .45);
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1199px) {
            .hero-title {
                font-size: 34px;
            }
            .nav-link-item {
                padding: 7px 12px;
                font-size: 13px;
            }
            .brand {
                font-size: 19px;
            }
        }

        @media (max-width: 991px) {
            .nav-links {
                display: none;
            }
            .nav-actions {
                gap: 8px;
            }
            .mobile-toggle {
                display: flex;
            }
            .nav-card {
                flex-wrap: nowrap;
            }
            .hero-section {
                padding: 24px 0 60px;
            }
            .countdown-bar {
                flex-direction: column;
                align-items: flex-start;
                gap: 12px;
            }
            .countdown-btn {
                align-self: flex-end;
            }
            .hero-main .col-lg-6:first-child {
                margin-bottom: 32px;
            }
            .hero-title {
                font-size: 32px;
            }
            .features-grid {
                grid-template-columns: 1fr;
                max-width: 600px;
            }
            .gallery-grid {
                grid-template-columns: 1fr;
            }
            .gallery-main-img {
                height: 300px;
            }
            .gallery-sub-wrap {
                grid-template-columns: 1fr 1fr;
                grid-template-rows: none;
            }
            .gallery-sub-img {
                height: 180px;
            }
            .faq-layout {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .faq-sidebar {
                position: static;
            }
            .footer-grid {
                grid-template-columns: 1fr 1fr;
                gap: 32px;
            }
            .footer-col:first-child {
                grid-column: 1 / -1;
            }
            .cta-inner {
                padding: 40px 28px;
            }
        }

        @media (max-width: 767px) {
            .nav-card {
                padding: 12px 16px;
            }
            .brand {
                font-size: 18px;
            }
            .btn-register {
                padding: 7px 14px;
                font-size: 13px;
            }
            .login-link {
                display: none;
            }
            .hero-title {
                font-size: 28px;
                line-height: 1.3;
            }
            .hero-subtitle {
                font-size: 15px;
            }
            .countdown-item {
                min-width: 48px;
                padding: 6px 8px;
            }
            .countdown-num {
                font-size: 20px;
            }
            .countdown-unit {
                font-size: 11px;
            }
            .countdown-sep {
                font-size: 16px;
            }
            .section-title {
                font-size: 26px;
            }
            .gallery-main-img {
                height: 220px;
            }
            .gallery-sub-wrap {
                grid-template-columns: 1fr;
            }
            .gallery-sub-img {
                height: 200px;
            }
            .cta-title {
                font-size: 22px;
            }
            .cta-actions {
                width: 100%;
            }
            .cta-actions .btn {
                flex: 1;
            }
            .news-card {
                flex-direction: column;
                align-items: flex-start;
            }
            .news-thumb {
                width: 100%;
                height: 140px;
            }
            .news-title {
                white-space: normal;
                line-height: 1.4;
            }
            .news-meta {
                flex-wrap: wrap;
            }
            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
            }
            .footer-col:first-child {
                grid-column: auto;
            }
            .features-grid {
                grid-template-columns: 1fr;
            }
            .countdown-btn {
                align-self: flex-start;
            }
            .hero-actions {
                flex-direction: column;
            }
            .hero-actions .btn {
                width: 100%;
            }
        }

        @media (max-width: 520px) {
            .brand {
                font-size: 16px;
            }
            .brand-name {
                font-size: 15px;
            }
            .nav-card {
                padding: 10px 12px;
            }
            .btn-register {
                padding: 6px 12px;
                font-size: 12px;
            }
            .mobile-toggle {
                width: 38px;
                height: 38px;
                font-size: 15px;
            }
            .countdown-bar {
                padding: 12px 16px;
            }
            .countdown-timer {
                gap: 6px;
                justify-content: space-between;
                width: 100%;
            }
            .countdown-item {
                min-width: 42px;
            }
            .countdown-num {
                font-size: 18px;
            }
            .hero-image-wrap img {
                max-height: 280px;
            }
        }

/* roulang page: category1 */
:root {
            --primary: #2C7BE5;
            --primary-light: #E8F1FD;
            --primary-soft: #F0F6FE;
            --primary-dark: #1B5BBF;
            --accent: #FF7A2F;
            --accent-light: #FF8F47;
            --bg: #F5F8FC;
            --card: #FFFFFF;
            --text: #16283C;
            --muted: #5A7184;
            --border: #E3EBF6;
            --footer-bg: #16283C;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow: 0 6px 20px rgba(16,42,80,.06);
            --shadow-hover: 0 12px 28px rgba(16,42,80,.10);
            --transition: .25s ease;
            --font-title: "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
            --font-num: "DIN Alternate", "Roboto Mono", monospace;
            --bs-primary: #2C7BE5;
            --bs-link-color: #2C7BE5;
            --bs-link-hover-color: #1B5BBF;
        }

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

        body {
            font-family: var(--font-body);
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            font-size: 15px;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        ul {
            list-style: none;
        }

        .container {
            max-width: 1200px;
            margin: 0 auto;
            padding: 0 20px;
        }

        .site-header {
            padding: 16px 0 0;
            position: relative;
            z-index: 100;
        }

        .nav-card {
            display: flex;
            align-items: center;
            justify-content: space-between;
            background: rgba(255, 255, 255, .88);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 14px 24px;
            box-shadow: var(--shadow);
        }

        .brand {
            display: flex;
            align-items: center;
            font-family: var(--font-title);
            font-weight: 700;
            font-size: 22px;
            white-space: nowrap;
        }

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

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

        .nav-links {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
            justify-content: center;
        }

        .nav-link-item {
            display: flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            background: var(--primary-soft);
            color: var(--text);
            font-size: 14px;
            font-weight: 500;
            transition: all var(--transition);
            white-space: nowrap;
        }

        .nav-link-item:hover {
            background: #E3EEFC;
            color: var(--primary);
            transform: translateY(-2px);
        }

        .nav-link-item.active {
            background: var(--primary);
            color: #fff;
        }

        .nav-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }

        .login-link {
            color: var(--muted);
            font-size: 14px;
            transition: color .2s ease;
        }

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

        .btn-register {
            background: var(--primary);
            color: #fff;
            padding: 8px 18px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition);
            border: none;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .btn-register:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(27, 91, 191, .22);
            color: #fff;
        }

        .mobile-toggle {
            display: none;
            background: none;
            border: none;
            font-size: 22px;
            color: var(--text);
            cursor: pointer;
            padding: 4px 8px;
            border-radius: 8px;
        }

        .mobile-toggle:hover {
            background: var(--primary-soft);
        }

        .mobile-nav {
            display: none;
        }

        .mobile-nav.active {
            display: flex;
            flex-direction: column;
            gap: 6px;
            background: #fff;
            border-radius: var(--radius);
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            padding: 14px;
            margin-top: 10px;
        }

        .mobile-nav a {
            display: flex;
            align-items: center;
            gap: 10px;
            padding: 12px 14px;
            border-radius: var(--radius-sm);
            background: var(--primary-soft);
            color: var(--text);
            font-size: 14px;
            font-weight: 500;
            transition: all var(--transition);
        }

        .mobile-nav a:hover {
            background: #E3EEFC;
            color: var(--primary);
        }

        .mobile-nav a.active {
            background: var(--primary);
            color: #fff;
        }

        .cat-hero {
            padding: 56px 0 60px;
            background: linear-gradient(135deg, #E8F1FD 0%, #F5F8FC 60%, #FFFFFF 100%);
            position: relative;
            overflow: hidden;
            border-bottom: 1px solid var(--border);
        }

        .cat-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center / cover no-repeat;
            opacity: .08;
        }

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

        .breadcrumb-bar {
            font-size: 13px;
            color: var(--muted);
            margin-bottom: 20px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

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

        .breadcrumb-bar .sep {
            color: #BDD0E8;
        }

        .breadcrumb-bar .current {
            color: var(--muted);
        }

        .cat-hero h1 {
            font-size: 32px;
            font-weight: 700;
            font-family: var(--font-title);
            color: var(--text);
            margin-bottom: 14px;
            line-height: 1.3;
        }

        .cat-hero-sub {
            font-size: 16px;
            color: var(--muted);
            max-width: 620px;
            line-height: 1.8;
            margin-bottom: 0;
        }

        .cat-alternate {
            padding: 90px 0;
        }

        .section-head {
            text-align: center;
            margin-bottom: 60px;
        }

        .section-tag {
            display: inline-block;
            background: var(--primary-light);
            color: var(--primary);
            padding: 6px 18px;
            border-radius: 20px;
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 14px;
            letter-spacing: .5px;
        }

        .section-head h2 {
            font-size: 26px;
            font-weight: 700;
            font-family: var(--font-title);
            margin-bottom: 10px;
            color: var(--text);
        }

        .section-head p {
            color: var(--muted);
            font-size: 15px;
            margin-bottom: 0;
        }

        .cat-row {
            margin-bottom: 90px;
            align-items: center;
        }

        .cat-row:last-child {
            margin-bottom: 0;
        }

        .cat-img-wrap {
            position: relative;
            border-radius: 12px;
            overflow: hidden;
            box-shadow: var(--shadow);
            border: 1px solid var(--border);
            background: var(--primary-soft);
        }

        .cat-img-wrap img {
            width: 100%;
            height: 360px;
            object-fit: cover;
            transition: transform .4s ease;
        }

        .cat-img-wrap:hover img {
            transform: scale(1.02);
        }

        .img-badge {
            position: absolute;
            top: 16px;
            left: 16px;
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(4px);
            padding: 6px 14px;
            border-radius: var(--radius-sm);
            font-size: 13px;
            font-weight: 600;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 6px;
            box-shadow: 0 4px 12px rgba(16, 42, 80, .06);
            z-index: 2;
        }

        .cat-card-body {
            padding: 20px 10px 20px 30px;
        }

        .cat-row:nth-child(even) .cat-card-body {
            padding: 20px 30px 20px 10px;
        }

        .cat-tag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            background: var(--primary-light);
            color: var(--primary);
            padding: 6px 14px;
            border-radius: var(--radius-sm);
            font-size: 13px;
            font-weight: 600;
            margin-bottom: 18px;
        }

        .cat-card-body h3 {
            font-size: 24px;
            font-weight: 700;
            font-family: var(--font-title);
            margin-bottom: 14px;
            color: var(--text);
            line-height: 1.3;
        }

        .cat-card-body>p {
            color: var(--muted);
            line-height: 1.8;
            font-size: 15px;
            margin-bottom: 20px;
        }

        .cat-features {
            display: flex;
            flex-direction: column;
            gap: 10px;
            margin-bottom: 24px;
            padding-left: 0;
        }

        .cat-features li {
            display: flex;
            align-items: center;
            gap: 10px;
            color: var(--text);
            font-size: 14px;
            line-height: 1.5;
        }

        .cat-features li i {
            color: var(--primary);
            font-size: 15px;
            width: 20px;
            text-align: center;
        }

        .btn-text {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: var(--primary);
            font-size: 15px;
            font-weight: 600;
            transition: gap .25s ease, color .25s ease;
        }

        .btn-text:hover {
            gap: 14px;
            color: var(--primary-dark);
        }

        .stats-banner {
            padding: 60px 0;
            background: linear-gradient(135deg, #2C7BE5 0%, #1B5BBF 100%);
            position: relative;
            overflow: hidden;
        }

        .stats-banner::before {
            content: '';
            position: absolute;
            top: -60%;
            right: -20%;
            width: 400px;
            height: 400px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .04);
        }

        .stats-banner::after {
            content: '';
            position: absolute;
            bottom: -80%;
            left: -10%;
            width: 300px;
            height: 300px;
            border-radius: 50%;
            background: rgba(255, 255, 255, .03);
        }

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

        .stat-item {
            text-align: center;
            padding: 20px;
        }

        .stat-num {
            font-family: var(--font-num);
            font-size: 46px;
            font-weight: 700;
            color: #fff;
            line-height: 1.2;
        }

        .stat-num span {
            font-size: 22px;
            color: rgba(255, 255, 255, .8);
            margin-left: 2px;
        }

        .stat-label {
            margin-top: 10px;
            color: rgba(255, 255, 255, .85);
            font-size: 14px;
            letter-spacing: .5px;
        }

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

        .cta-box {
            background: linear-gradient(135deg, #E8F1FD 0%, #F0F6FE 100%);
            border: 1px solid var(--border);
            border-radius: 20px;
            padding: 60px 50px;
            text-align: center;
            position: relative;
            overflow: hidden;
            box-shadow: var(--shadow);
        }

        .cta-box::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(44, 123, 229, .05);
        }

        .cta-box::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: -30px;
            width: 160px;
            height: 160px;
            border-radius: 50%;
            background: rgba(44, 123, 229, .04);
        }

        .cta-box h2 {
            font-size: 28px;
            font-weight: 700;
            color: var(--text);
            font-family: var(--font-title);
            margin-bottom: 12px;
        }

        .cta-box>p {
            color: var(--muted);
            font-size: 15px;
            margin-bottom: 30px;
            max-width: 480px;
            margin-left: auto;
            margin-right: auto;
        }

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

        .btn-cta {
            background: var(--primary);
            color: #fff;
            padding: 14px 36px;
            border-radius: 12px;
            font-weight: 600;
            font-size: 16px;
            display: inline-flex;
            align-items: center;
            gap: 10px;
            transition: all var(--transition);
            border: none;
            cursor: pointer;
        }

        .btn-cta:hover {
            background: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(27, 91, 191, .25);
            color: #fff;
        }

        .btn-outline-cta {
            border: 1px solid var(--primary);
            color: var(--primary);
            padding: 13px 30px;
            border-radius: 12px;
            font-weight: 600;
            font-size: 15px;
            background: transparent;
            transition: all var(--transition);
            cursor: pointer;
            display: inline-flex;
            align-items: center;
            gap: 8px;
        }

        .btn-outline-cta:hover {
            background: var(--primary-light);
            transform: translateY(-2px);
        }

        .site-footer {
            background: var(--footer-bg);
            padding: 70px 0 30px;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 50px;
            margin-bottom: 50px;
        }

        .footer-brand {
            display: flex;
            align-items: center;
            font-size: 22px;
            font-weight: 700;
            color: #fff;
            font-family: var(--font-title);
            margin-bottom: 16px;
        }

        .footer-brand .brand-jbo {
            color: #5BA1F0;
        }

        .footer-desc {
            color: #8FA3B8;
            font-size: 14px;
            line-height: 1.8;
            max-width: 360px;
            margin-bottom: 0;
        }

        .footer-col-title {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 20px;
            position: relative;
            padding-left: 14px;
        }

        .footer-col-title::before {
            content: '';
            position: absolute;
            left: 0;
            top: 50%;
            transform: translateY(-50%);
            width: 4px;
            height: 16px;
            border-radius: 2px;
            background: var(--primary);
        }

        .footer-links,
        .footer-contact {
            display: flex;
            flex-direction: column;
            gap: 12px;
            padding-left: 0;
            margin-bottom: 0;
        }

        .footer-links a {
            color: #8FA3B8;
            font-size: 14px;
            transition: color .25s ease;
        }

        .footer-links a:hover {
            color: #fff;
        }

        .footer-contact li {
            color: #8FA3B8;
            font-size: 14px;
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .footer-contact i {
            color: #5BA1F0;
            width: 18px;
            text-align: center;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .1);
            padding-top: 24px;
            text-align: center;
            color: #6B8198;
            font-size: 13px;
        }

        @media (max-width: 1199px) {
            .nav-card {
                padding: 12px 18px;
            }

            .brand {
                font-size: 19px;
            }

            .nav-link-item {
                padding: 7px 10px;
                font-size: 13px;
            }
        }

        @media (max-width: 991px) {
            .nav-links {
                display: none;
            }

            .mobile-toggle {
                display: block;
            }

            .nav-actions .login-link {
                display: none;
            }

            .mobile-nav.active {
                display: flex;
            }

            .cat-hero {
                padding: 44px 0 48px;
            }

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

            .cat-hero-sub {
                font-size: 15px;
            }

            .cat-alternate {
                padding: 60px 0;
            }

            .cat-row {
                margin-bottom: 60px;
            }

            .cat-img-wrap img {
                height: 280px;
            }

            .cat-card-body,
            .cat-row:nth-child(even) .cat-card-body {
                padding: 20px 4px 0;
            }

            .cat-card-body h3 {
                font-size: 21px;
            }
        }

        @media (max-width: 767px) {
            .site-header {
                padding-top: 12px;
            }

            .nav-card {
                padding: 10px 14px;
                border-radius: 14px;
            }

            .brand {
                font-size: 17px;
            }

            .btn-register {
                padding: 7px 14px;
                font-size: 13px;
            }

            .mobile-toggle {
                font-size: 20px;
            }

            .cat-hero h1 {
                font-size: 22px;
            }

            .cat-hero-sub {
                font-size: 14px;
            }

            .cat-alternate {
                padding: 48px 0;
            }

            .section-head {
                margin-bottom: 40px;
            }

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

            .cat-row {
                margin-bottom: 48px;
            }

            .cat-img-wrap img {
                height: 220px;
            }

            .cat-card-body h3 {
                font-size: 19px;
            }

            .cat-features {
                gap: 8px;
            }

            .cat-features li {
                font-size: 13px;
            }

            .stats-banner {
                padding: 44px 0;
            }

            .stat-num {
                font-size: 32px;
            }

            .stat-label {
                font-size: 13px;
            }

            .stat-item {
                padding: 12px;
            }

            .cta-section {
                padding: 48px 0;
            }

            .cta-box {
                padding: 36px 20px;
                border-radius: 16px;
            }

            .cta-box h2 {
                font-size: 22px;
            }

            .cta-box>p {
                font-size: 14px;
                margin-bottom: 24px;
            }

            .cta-actions {
                flex-direction: column;
                align-items: stretch;
                gap: 12px;
            }

            .btn-cta,
            .btn-outline-cta {
                justify-content: center;
                text-align: center;
                width: 100%;
            }

            .footer-grid {
                grid-template-columns: 1fr;
                gap: 32px;
                margin-bottom: 36px;
            }

            .site-footer {
                padding: 48px 0 24px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding: 0 14px;
            }

            .brand {
                font-size: 16px;
            }

            .brand-name {
                font-size: 16px;
            }

            .nav-card {
                flex-wrap: nowrap;
                gap: 8px;
            }

            .brand {
                margin-right: auto;
            }

            .cat-img-wrap img {
                height: 190px;
            }

            .img-badge {
                font-size: 12px;
                padding: 5px 10px;
            }

            .stat-num {
                font-size: 28px;
            }
        }

/* roulang page: article */
:root {
            --primary: #2C7BE5;
            --primary-light: #E8F1FD;
            --primary-dark: #1B5BBF;
            --accent: #FF7A2F;
            --bg: #F5F8FC;
            --card-bg: #FFFFFF;
            --text: #16283C;
            --text-body: #2A3B4E;
            --muted: #5A7184;
            --border: #E3EBF6;
            --footer-bg: #16283C;
            --radius-sm: 10px;
            --radius-md: 12px;
            --radius-lg: 16px;
            --shadow-card: 0 6px 20px rgba(16,42,80,.06);
            --shadow-hover: 0 12px 28px rgba(16,42,80,.10);
            --transition: .25s ease;
        }

        * { box-sizing: border-box; margin: 0; padding: 0; }
        html { scroll-behavior: smooth; }
        body {
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.6;
            font-size: 16px;
            -webkit-font-smoothing: antialiased;
        }
        a { text-decoration: none; color: var(--primary); transition: color var(--transition); }
        a:hover { color: var(--primary-dark); }
        img { max-width: 100%; height: auto; }
        .container { max-width: 1200px; padding: 0 20px; }

        .btn { border-radius: var(--radius-sm); font-weight: 600; transition: all var(--transition); }
        .btn-primary {
            background-color: var(--primary);
            border-color: var(--primary);
            padding: .75rem 1.5rem;
        }
        .btn-primary:hover, .btn-primary:focus {
            background-color: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-2px);
            box-shadow: 0 8px 20px rgba(44,123,229,.25);
        }

        .site-header {
            padding: 16px 0 12px;
            position: sticky;
            top: 0;
            z-index: 1000;
            background: linear-gradient(180deg, var(--bg) 0%, rgba(245,248,252,.92) 70%, transparent 100%);
            backdrop-filter: blur(10px);
        }
        .nav-card {
            background: rgba(255,255,255,.9);
            backdrop-filter: blur(8px);
            border: 1px solid rgba(227,235,246,.9);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 14px 20px;
            display: flex;
            align-items: center;
            gap: 20px;
        }
        .brand {
            display: flex;
            align-items: baseline;
            font-weight: 700;
            font-size: 22px;
            white-space: nowrap;
            letter-spacing: .2px;
        }
        .brand-jbo {
            color: var(--primary);
            font-weight: 800;
            letter-spacing: .5px;
        }
        .brand-name {
            color: var(--text);
            margin-left: 2px;
        }
        .nav-links {
            display: flex;
            gap: 10px;
            flex: 1;
            flex-wrap: wrap;
        }
        .nav-link-item {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 14px;
            border-radius: var(--radius-sm);
            background: #F0F6FE;
            color: var(--text);
            font-size: 14px;
            font-weight: 500;
            transition: all var(--transition);
            border: 1px solid transparent;
        }
        .nav-link-item:hover {
            background: #E3EEFC;
            color: var(--primary);
            transform: translateY(-1px);
        }
        .nav-link-item.active {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 4px 12px rgba(44,123,229,.25);
        }
        .nav-actions {
            display: flex;
            align-items: center;
            gap: 14px;
        }
        .login-link {
            color: var(--muted);
            font-size: 14px;
            font-weight: 500;
        }
        .login-link:hover { color: var(--primary); }
        .btn-register {
            background: var(--primary);
            color: #fff;
            padding: 8px 20px;
            border-radius: var(--radius-sm);
            font-size: 14px;
            font-weight: 600;
            transition: all var(--transition);
            border: none;
        }
        .btn-register:hover {
            background: var(--primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 6px 16px rgba(44,123,229,.3);
        }
        .mobile-toggle {
            display: none;
            background: none;
            border: 2px solid var(--border);
            border-radius: 8px;
            font-size: 18px;
            color: var(--text);
            padding: 6px 10px;
            cursor: pointer;
            transition: all var(--transition);
        }
        .mobile-toggle:hover { border-color: var(--primary); color: var(--primary); }
        .mobile-nav {
            display: none;
            background: #fff;
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-hover);
            padding: 16px;
            margin-top: 10px;
            flex-direction: column;
            gap: 8px;
            border: 1px solid var(--border);
        }
        .mobile-nav a {
            display: flex;
            align-items: center;
            gap: 8px;
            padding: 10px 14px;
            border-radius: 8px;
            background: #F0F6FE;
            color: var(--text);
            font-size: 15px;
            font-weight: 500;
        }
        .mobile-nav a i { color: var(--primary); }
        .mobile-nav a.active {
            background: var(--primary);
            color: #fff;
        }
        .mobile-nav a.active i { color: #fff; }
        .mobile-nav.active { display: flex; }

        .breadcrumb-wrap {
            background: var(--bg);
            padding: 18px 0 4px;
        }
        .breadcrumb-wrap .breadcrumb {
            margin: 0;
            font-size: 14px;
        }
        .breadcrumb-wrap .breadcrumb a {
            color: var(--muted);
        }
        .breadcrumb-wrap .breadcrumb a:hover {
            color: var(--primary);
        }
        .breadcrumb-wrap .breadcrumb-item.active {
            color: var(--text);
            font-weight: 500;
            max-width: 420px;
            overflow: hidden;
            text-overflow: ellipsis;
            white-space: nowrap;
        }
        .breadcrumb-wrap .breadcrumb-item + .breadcrumb-item::before {
            color: #B8C6D8;
        }

        .article-section {
            padding: 32px 0 64px;
        }
        .article-main-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 40px 42px;
            margin-bottom: 24px;
        }
        .article-title {
            font-size: 30px;
            font-weight: 700;
            line-height: 1.4;
            color: var(--text);
            margin-bottom: 16px;
            letter-spacing: .2px;
        }
        .article-meta {
            display: flex;
            flex-wrap: wrap;
            gap: 18px;
            align-items: center;
            padding-bottom: 20px;
            border-bottom: 1px solid var(--border);
            margin-bottom: 28px;
            color: var(--muted);
            font-size: 14px;
        }
        .article-meta span { display: inline-flex; align-items: center; gap: 6px; }
        .article-meta i { color: var(--primary); font-size: 13px; }

        .article-body {
            font-size: 16px;
            line-height: 1.8;
            color: var(--text-body);
        }
        .article-body h2 {
            font-size: 24px;
            font-weight: 700;
            margin: 40px 0 16px;
            padding-left: 14px;
            border-left: 4px solid var(--primary);
            color: var(--text);
            line-height: 1.4;
        }
        .article-body h3 {
            font-size: 20px;
            font-weight: 600;
            margin: 32px 0 12px;
            color: var(--text);
            line-height: 1.5;
        }
        .article-body h4 {
            font-size: 18px;
            font-weight: 600;
            margin: 24px 0 10px;
            color: var(--text);
        }
        .article-body p { margin-bottom: 18px; }
        .article-body strong { color: var(--text); font-weight: 600; }
        .article-body img {
            border-radius: var(--radius-md);
            box-shadow: var(--shadow-card);
            margin: 24px 0;
            border: 1px solid var(--border);
        }
        .article-body blockquote {
            background: var(--primary-light);
            border-radius: var(--radius-md);
            padding: 20px 24px;
            margin: 24px 0;
            border-left: 4px solid var(--primary);
            color: var(--muted);
            font-size: 15px;
        }
        .article-body ul, .article-body ol {
            margin: 0 0 18px 0;
            padding-left: 24px;
        }
        .article-body li { margin-bottom: 8px; }
        .article-body a {
            color: var(--primary);
            border-bottom: 1px solid rgba(44,123,229,.3);
        }
        .article-body a:hover {
            color: var(--primary-dark);
            border-bottom-color: var(--primary-dark);
        }
        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 14px;
        }
        .article-body table th {
            background: var(--primary-light);
            font-weight: 600;
        }
        .article-body table th, .article-body table td {
            border: 1px solid var(--border);
            padding: 12px 16px;
            text-align: left;
        }

        .article-not-found {
            text-align: center;
            padding: 80px 40px;
        }
        .not-found-icon {
            font-size: 56px;
            color: #C0CFE0;
            margin-bottom: 20px;
        }
        .article-not-found h2 {
            font-size: 26px;
            font-weight: 700;
            margin-bottom: 12px;
            color: var(--text);
        }
        .article-not-found p {
            color: var(--muted);
            margin-bottom: 24px;
        }

        .article-pagination {
            display: flex;
            justify-content: space-between;
            gap: 16px;
            margin: 24px 0 32px;
        }
        .pag-btn {
            flex: 1;
            display: flex;
            align-items: center;
            gap: 14px;
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-md);
            padding: 16px 20px;
            color: var(--text);
            transition: all var(--transition);
            font-size: 14px;
            box-shadow: var(--shadow-card);
        }
        .pag-btn:hover {
            border-color: var(--primary);
            background: var(--primary-light);
            color: var(--primary);
            transform: translateY(-2px);
            box-shadow: var(--shadow-hover);
        }
        .pag-btn .pag-icon {
            width: 38px;
            height: 38px;
            display: flex;
            align-items: center;
            justify-content: center;
            background: #F0F6FE;
            border-radius: 8px;
            font-size: 14px;
            color: var(--primary);
            flex-shrink: 0;
        }
        .pag-btn .pag-label {
            font-size: 12px;
            color: var(--muted);
            display: block;
            margin-bottom: 2px;
        }
        .pag-btn .pag-title {
            font-size: 15px;
            font-weight: 600;
            line-height: 1.4;
            display: -webkit-box;
            -webkit-line-clamp: 1;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .pag-btn.next { text-align: right; }
        .pag-btn.next .pag-icon { order: 2; }

        .cta-section {
            background: linear-gradient(135deg, rgba(232,241,253,.96) 0%, rgba(255,255,255,.92) 100%), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            border-radius: var(--radius-lg);
            padding: 40px 44px;
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 28px;
            border: 1px solid var(--border);
            box-shadow: var(--shadow-card);
        }
        .cta-section h3 {
            font-size: 22px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 8px;
        }
        .cta-section p {
            color: var(--muted);
            margin: 0;
            font-size: 14px;
        }
        .btn-accent {
            background: linear-gradient(135deg, #FF8F47, #FF7A2F);
            color: #fff;
            padding: 12px 28px;
            border-radius: var(--radius-md);
            font-weight: 600;
            border: none;
            transition: all var(--transition);
            font-size: 15px;
            box-shadow: 0 4px 16px rgba(255,122,47,.3);
            white-space: nowrap;
        }
        .btn-accent:hover {
            transform: translateX(3px);
            background: linear-gradient(135deg, #FF7A2F, #FF6A1A);
            color: #fff;
            box-shadow: 0 6px 20px rgba(255,122,47,.4);
        }

        .sidebar-card {
            background: var(--card-bg);
            border: 1px solid var(--border);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow-card);
            padding: 24px;
            margin-bottom: 24px;
        }
        .sidebar-title {
            font-size: 18px;
            font-weight: 700;
            color: var(--text);
            margin-bottom: 20px;
            padding-left: 12px;
            border-left: 3px solid var(--primary);
            line-height: 1.4;
        }
        .recommend-card {
            display: block;
            margin-bottom: 20px;
            border-radius: var(--radius-md);
            overflow: hidden;
            border: 1px solid var(--border);
            transition: all var(--transition);
            background: #fff;
        }
        .recommend-card:last-child { margin-bottom: 0; }
        .recommend-card:hover {
            transform: translateY(-3px);
            box-shadow: var(--shadow-hover);
            border-color: rgba(44,123,229,.3);
        }
        .recommend-img-wrap {
            position: relative;
            height: 110px;
            overflow: hidden;
        }
        .recommend-img-wrap img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .4s ease;
        }
        .recommend-card:hover .recommend-img-wrap img { transform: scale(1.05); }
        .recommend-badge {
            position: absolute;
            top: 8px;
            left: 8px;
            background: rgba(255,255,255,.92);
            color: var(--primary);
            font-size: 11px;
            font-weight: 600;
            padding: 3px 10px;
            border-radius: 20px;
            letter-spacing: .5px;
        }
        .recommend-info { padding: 12px 14px 14px; }
        .recommend-info h4 {
            font-size: 14px;
            font-weight: 600;
            margin: 0 0 6px;
            line-height: 1.4;
        }
        .recommend-info h4 a {
            color: var(--text);
            transition: color var(--transition);
        }
        .recommend-info h4 a:hover { color: var(--primary); }
        .recommend-excerpt {
            font-size: 13px;
            color: var(--muted);
            margin: 0;
            line-height: 1.5;
            display: -webkit-box;
            -webkit-line-clamp: 2;
            -webkit-box-orient: vertical;
            overflow: hidden;
        }
        .tag-cloud {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }
        .tag-cloud a {
            display: inline-block;
            padding: 6px 14px;
            background: var(--primary-light);
            border-radius: 8px;
            font-size: 13px;
            color: var(--primary-dark);
            font-weight: 500;
            transition: all var(--transition);
            border: 1px solid transparent;
        }
        .tag-cloud a:hover {
            background: var(--primary);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 4px 12px rgba(44,123,229,.25);
        }

        .site-footer {
            background: var(--footer-bg);
            color: rgba(255,255,255,.8);
            padding: 64px 0 0;
            margin-top: 16px;
        }
        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr;
            gap: 40px;
            padding-bottom: 44px;
        }
        .footer-brand {
            font-size: 24px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: .5px;
        }
        .footer-brand .brand-jbo { color: var(--primary); }
        .footer-desc {
            font-size: 14px;
            line-height: 1.8;
            opacity: .75;
            margin-bottom: 0;
        }
        .footer-col-title {
            font-size: 16px;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
            padding-left: 12px;
            border-left: 3px solid var(--primary);
        }
        .footer-links, .footer-contact {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .footer-links li { margin-bottom: 12px; }
        .footer-links a {
            color: rgba(255,255,255,.7);
            font-size: 14px;
            transition: all var(--transition);
        }
        .footer-links a:hover {
            color: #fff;
            padding-left: 4px;
        }
        .footer-contact li {
            font-size: 14px;
            opacity: .75;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 12px;
        }
        .footer-contact i { color: var(--primary); width: 16px; text-align: center; }
        .footer-bottom {
            border-top: 1px solid rgba(255,255,255,.1);
            padding: 20px 0;
            text-align: center;
            font-size: 13px;
            opacity: .45;
        }

        @media (max-width: 991px) {
            .nav-links { display: none; }
            .mobile-toggle { display: inline-block; }
            .nav-actions .btn-register { display: inline-block; }
            .article-main-card { padding: 28px 24px; }
            .cta-section { flex-direction: column; text-align: center; }
            .cta-section .btn-accent { margin-top: 0; }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .article-section { padding: 24px 0 48px; }
        }

        @media (max-width: 767px) {
            .nav-card { padding: 12px 14px; gap: 12px; }
            .brand { font-size: 18px; }
            .brand-name { font-size: 18px; }
            .nav-actions .login-link { font-size: 13px; }
            .nav-actions .btn-register { padding: 6px 14px; font-size: 13px; }
            .article-title { font-size: 24px; }
            .article-main-card { padding: 20px 16px; }
            .article-meta { gap: 10px; font-size: 13px; flex-wrap: wrap; }
            .article-body { font-size: 15px; }
            .article-body h2 { font-size: 21px; }
            .article-body h3 { font-size: 18px; }
            .breadcrumb-wrap .breadcrumb-item.active { max-width: 160px; }
            .cta-section { padding: 28px 20px; }
            .footer-grid { grid-template-columns: 1fr; gap: 28px; }
            .article-pagination { flex-direction: column; }
            .pag-btn { width: 100%; }
            .pag-btn.next { text-align: left; }
            .pag-btn.next .pag-icon { order: 0; }
            .breadcrumb-wrap { padding-top: 12px; }
            .article-section { padding: 16px 0 40px; }
            .recommend-img-wrap { height: 140px; }
            .site-footer { padding-top: 48px; }
        }

        @media (max-width: 520px) {
            .nav-actions .btn-register { display: none; }
            .article-title { font-size: 20px; line-height: 1.45; }
            .article-meta span { font-size: 12px; }
            .article-meta span i { font-size: 11px; }
            .article-body blockquote { padding: 16px; }
            .cta-section h3 { font-size: 18px; }
            .cta-section .btn-accent { width: 100%; text-align: center; }
            .sidebar-card { padding: 18px 16px; }
            .recommend-img-wrap { height: 160px; }
            .container { padding: 0 14px; }
            .footer-bottom { font-size: 12px; padding: 16px 10px; }
        }

/* roulang page: category2 */
:root {
  --bs-primary: #2C7BE5;
  --bs-primary-rgb: 44, 123, 229;
  --bs-link-color: #2C7BE5;
  --bs-link-hover-color: #1B5BBF;
  --primary: #2C7BE5;
  --primary-light: #E8F1FD;
  --primary-dark: #1B5BBF;
  --accent: #FF7A2F;
  --accent-light: #FF8F47;
  --bg: #F5F8FC;
  --card-bg: #FFFFFF;
  --text: #16283C;
  --muted: #5A7184;
  --border: #E3EBF6;
  --footer-bg: #16283C;
  --radius-lg: 16px;
  --radius-md: 12px;
  --radius-sm: 10px;
  --shadow: 0 6px 20px rgba(16, 42, 80, .06);
  --shadow-hover: 0 12px 28px rgba(16, 42, 80, .10);
  --font-title: "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-body: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Microsoft YaHei", sans-serif;
  --font-mono: "DIN Alternate", "Roboto Mono", monospace;
}
* {
  box-sizing: border-box;
}
html {
  scroll-behavior: smooth;
}
body {
  font-family: var(--font-body);
  background-color: var(--bg);
  color: var(--text);
  line-height: 1.7;
  margin: 0;
  padding: 0;
  -webkit-font-smoothing: antialiased;
}
a {
  color: var(--primary);
  text-decoration: none;
  transition: color .2s ease;
}
a:hover {
  color: var(--primary-dark);
}
img {
  max-width: 100%;
  height: auto;
  object-fit: cover;
}
.container {
  max-width: 1200px;
  padding-left: 20px;
  padding-right: 20px;
}

/* ===== Header / Navigation ===== */
.site-header {
  padding: 16px 0 0;
  background: transparent;
  position: relative;
  z-index: 100;
}
.nav-card {
  background: rgba(255, 255, 255, .88);
  -webkit-backdrop-filter: blur(8px);
  backdrop-filter: blur(8px);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 14px 22px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 20px;
  flex-wrap: wrap;
}
.brand {
  display: flex;
  align-items: center;
  font-family: var(--font-title);
  font-weight: 700;
  font-size: 22px;
  white-space: nowrap;
}
.brand-jbo {
  color: var(--primary);
}
.brand-name {
  color: var(--text);
}
.nav-links {
  display: flex;
  align-items: center;
  gap: 10px;
  flex-wrap: wrap;
}
.nav-link-item {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 8px 16px;
  border-radius: var(--radius-sm);
  background: #F0F6FE;
  color: var(--text);
  font-size: 14px;
  font-weight: 600;
  transition: all .25s ease;
  border: 1px solid transparent;
}
.nav-link-item i {
  color: var(--primary);
  font-size: 13px;
}
.nav-link-item:hover {
  background: #E3EEFC;
  color: var(--primary-dark);
  transform: translateY(-1px);
}
.nav-link-item.active {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
}
.nav-link-item.active i {
  color: #fff;
}
.nav-actions {
  display: flex;
  align-items: center;
  gap: 14px;
}
.login-link {
  font-size: 14px;
  color: var(--muted);
  font-weight: 500;
}
.login-link:hover {
  color: var(--primary);
}
.btn-register {
  display: inline-block;
  padding: 8px 20px;
  background: var(--primary);
  color: #fff !important;
  border-radius: var(--radius-sm);
  font-size: 14px;
  font-weight: 600;
  transition: all .25s ease;
  border: 1px solid var(--primary);
}
.btn-register:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 4px 14px rgba(44, 123, 229, .25);
}
.mobile-toggle {
  display: none;
  background: none;
  border: none;
  font-size: 22px;
  color: var(--text);
  cursor: pointer;
  padding: 4px 8px;
  border-radius: 8px;
}
.mobile-toggle:hover {
  background: var(--primary-light);
}
.mobile-nav {
  display: none;
  background: rgba(255, 255, 255, .96);
  border: 1px solid var(--border);
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 16px;
  margin-top: 10px;
  flex-direction: column;
  gap: 8px;
}
.mobile-nav a {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 10px 14px;
  border-radius: var(--radius-sm);
  background: #F0F6FE;
  color: var(--text);
  font-weight: 500;
  font-size: 14px;
}
.mobile-nav a i {
  color: var(--primary);
  width: 20px;
}
.mobile-nav a.active {
  background: var(--primary);
  color: #fff;
}
.mobile-nav a.active i {
  color: #fff;
}
.mobile-nav.active {
  display: flex;
}

/* ===== Page Hero ===== */
.cat-hero {
  background: linear-gradient(135deg, #EAF2FE 0%, #F5F9FE 60%, #FFFFFF 100%);
  border-radius: var(--radius-lg);
  padding: 60px 50px;
  margin-top: 24px;
  position: relative;
  overflow: hidden;
}
.cat-hero::before {
  content: "";
  position: absolute;
  width: 260px;
  height: 260px;
  border-radius: 50%;
  background: rgba(44, 123, 229, .06);
  top: -80px;
  right: -60px;
}
.cat-hero::after {
  content: "";
  position: absolute;
  width: 120px;
  height: 120px;
  border-radius: 50%;
  background: rgba(44, 123, 229, .04);
  bottom: -30px;
  left: 8%;
}
.cat-hero .hero-tag {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  background: rgba(44, 123, 229, .1);
  color: var(--primary-dark);
  font-size: 13px;
  font-weight: 600;
  padding: 5px 14px;
  border-radius: 30px;
  margin-bottom: 18px;
}
.cat-hero h1 {
  font-family: var(--font-title);
  font-size: 34px;
  font-weight: 700;
  color: var(--text);
  margin: 0 0 12px;
  line-height: 1.3;
}
.cat-hero h1 .highlight {
  color: var(--primary);
}
.cat-hero p {
  font-size: 16px;
  color: var(--muted);
  max-width: 520px;
  margin-bottom: 24px;
}
.cat-hero .hero-btn-group {
  display: flex;
  gap: 14px;
  flex-wrap: wrap;
}
.btn-primary-custom {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 26px;
  background: var(--primary);
  color: #fff;
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  border: 1px solid var(--primary);
  transition: all .25s ease;
}
.btn-primary-custom:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #fff;
  transform: translateY(-2px);
  box-shadow: 0 6px 20px rgba(44, 123, 229, .25);
}
.btn-outline-primary-custom {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 11px 26px;
  background: transparent;
  color: var(--primary);
  border-radius: var(--radius-sm);
  font-size: 15px;
  font-weight: 600;
  border: 1px solid var(--primary);
  transition: all .25s ease;
}
.btn-outline-primary-custom:hover {
  background: var(--primary-light);
  color: var(--primary-dark);
  transform: translateY(-2px);
}

/* ===== Section Common ===== */
.section-block {
  padding: 80px 0 20px;
}
.section-head {
  text-align: center;
  margin-bottom: 50px;
}
.section-tag {
  display: inline-block;
  font-size: 13px;
  font-weight: 600;
  color: var(--primary);
  background: var(--primary-light);
  padding: 5px 16px;
  border-radius: 30px;
  margin-bottom: 12px;
  letter-spacing: .5px;
}
.section-head h2 {
  font-family: var(--font-title);
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}
.section-head p {
  font-size: 15px;
  color: var(--muted);
  max-width: 620px;
  margin: 0 auto;
}

/* ===== Alternating Feature Cards ===== */
.alt-card {
  display: flex;
  align-items: center;
  gap: 40px;
  background: var(--card-bg);
  border: 1px solid #EDF2F9;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 32px;
  margin-bottom: 40px;
  transition: box-shadow .3s ease, transform .3s ease;
}
.alt-card:hover {
  box-shadow: var(--shadow-hover);
  transform: translateY(-2px);
}
.alt-card .alt-img {
  flex: 0 0 44%;
  border-radius: var(--radius-md);
  overflow: hidden;
  position: relative;
  aspect-ratio: 16 / 10;
  background: #F0F4FA;
}
.alt-card .alt-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  display: block;
}
.alt-card .alt-img .img-badge {
  position: absolute;
  top: 14px;
  left: 14px;
  background: rgba(255, 255, 255, .9);
  color: var(--text);
  font-size: 12px;
  font-weight: 600;
  padding: 4px 12px;
  border-radius: 20px;
  letter-spacing: .3px;
}
.alt-card .alt-content {
  flex: 1;
}
.alt-card .alt-number {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 42px;
  height: 42px;
  background: var(--primary-light);
  color: var(--primary);
  font-family: var(--font-mono);
  font-size: 18px;
  font-weight: 700;
  border-radius: 12px;
  margin-bottom: 16px;
}
.alt-card .alt-content h3 {
  font-family: var(--font-title);
  font-size: 22px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 10px;
}
.alt-card .alt-content p {
  font-size: 15px;
  color: var(--muted);
  line-height: 1.75;
  margin-bottom: 16px;
}
.alt-tags {
  display: flex;
  flex-wrap: wrap;
  gap: 8px;
}
.alt-tags .tag {
  display: inline-block;
  font-size: 13px;
  padding: 4px 14px;
  border-radius: 6px;
  background: #F0F6FE;
  color: var(--primary-dark);
  font-weight: 500;
}
.alt-card.reversed {
  flex-direction: row-reverse;
}

/* ===== Data Band ===== */
.data-band {
  margin: 20px 0 80px;
  background: linear-gradient(120deg, #2C7BE5 0%, #3A8BEF 100%);
  border-radius: var(--radius-lg);
  padding: 48px 40px;
  position: relative;
  overflow: hidden;
}
.data-band::before {
  content: "";
  position: absolute;
  width: 320px;
  height: 320px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .08);
  top: -120px;
  right: -80px;
}
.data-band::after {
  content: "";
  position: absolute;
  width: 160px;
  height: 160px;
  border-radius: 50%;
  background: rgba(255, 255, 255, .05);
  bottom: -60px;
  left: 30%;
}
.data-band .data-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 30px;
  position: relative;
  z-index: 2;
}
.data-band .data-item {
  text-align: center;
  color: #fff;
  padding: 10px;
}
.data-band .data-num {
  font-family: var(--font-mono);
  font-size: 44px;
  font-weight: 700;
  line-height: 1.1;
  color: #fff;
  display: block;
  margin-bottom: 6px;
}
.data-band .data-label {
  font-size: 14px;
  color: rgba(255, 255, 255, .85);
  letter-spacing: .5px;
}
.data-band .data-item + .data-item {
  border-left: 1px solid rgba(255, 255, 255, .2);
}

/* ===== CTA Band ===== */
.cta-band {
  margin: 20px 0 80px;
  background: var(--card-bg);
  border: 1px solid #EDF2F9;
  border-radius: var(--radius-lg);
  box-shadow: var(--shadow);
  padding: 56px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
}
.cta-band::before {
  content: "";
  position: absolute;
  width: 200px;
  height: 200px;
  border-radius: 50%;
  background: rgba(44, 123, 229, .05);
  top: -70px;
  left: -70px;
}
.cta-band::after {
  content: "";
  position: absolute;
  width: 140px;
  height: 140px;
  border-radius: 50%;
  background: rgba(255, 122, 47, .07);
  bottom: -50px;
  right: -40px;
}
.cta-band h2 {
  font-family: var(--font-title);
  font-size: 28px;
  font-weight: 700;
  color: var(--text);
  margin-bottom: 12px;
}
.cta-band p {
  font-size: 15px;
  color: var(--muted);
  max-width: 500px;
  margin: 0 auto 28px;
}
.cta-band .cta-btn-group {
  display: flex;
  gap: 14px;
  justify-content: center;
  flex-wrap: wrap;
  position: relative;
  z-index: 2;
}
.btn-accent-custom {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 12px 30px;
  background: linear-gradient(135deg, #FF8F47, #FF7A2F);
  color: #fff;
  border-radius: var(--radius-md);
  font-size: 15px;
  font-weight: 600;
  border: none;
  transition: all .25s ease;
  box-shadow: 0 4px 16px rgba(255, 122, 47, .3);
}
.btn-accent-custom:hover {
  background: linear-gradient(135deg, #FF7A2F, #F06A1E);
  color: #fff;
  transform: translateX(2px);
  box-shadow: 0 6px 22px rgba(255, 122, 47, .4);
}

/* ===== Footer ===== */
.site-footer {
  background: var(--footer-bg);
  padding: 60px 0 24px;
  margin-top: 40px;
}
.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1.2fr;
  gap: 40px;
  padding-bottom: 36px;
  border-bottom: 1px solid rgba(255, 255, 255, .08);
}
.footer-brand {
  font-family: var(--font-title);
  font-size: 22px;
  font-weight: 700;
  color: #fff;
  margin-bottom: 14px;
}
.footer-brand .brand-jbo {
  color: #5CA0FF;
}
.footer-desc {
  font-size: 14px;
  color: rgba(255, 255, 255, .7);
  line-height: 1.8;
  margin: 0;
}
.footer-col-title {
  font-size: 16px;
  font-weight: 600;
  color: #fff;
  margin-bottom: 16px;
  position: relative;
  padding-left: 14px;
}
.footer-col-title::before {
  content: "";
  position: absolute;
  left: 0;
  top: 50%;
  transform: translateY(-50%);
  width: 4px;
  height: 16px;
  background: var(--primary);
  border-radius: 2px;
}
.footer-links {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-links li {
  margin-bottom: 10px;
}
.footer-links a {
  color: rgba(255, 255, 255, .7);
  font-size: 14px;
  transition: color .2s ease, padding-left .2s ease;
}
.footer-links a:hover {
  color: #fff;
  padding-left: 4px;
}
.footer-contact {
  list-style: none;
  margin: 0;
  padding: 0;
}
.footer-contact li {
  color: rgba(255, 255, 255, .7);
  font-size: 14px;
  margin-bottom: 10px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.footer-contact li i {
  color: #5CA0FF;
  width: 18px;
  text-align: center;
}
.footer-bottom {
  text-align: center;
  color: rgba(255, 255, 255, .45);
  font-size: 13px;
  padding-top: 24px;
  letter-spacing: .3px;
}

/* ===== Responsive ===== */
@media (max-width: 1199px) {
  .nav-card {
    padding: 14px 16px;
  }
  .nav-link-item {
    padding: 7px 12px;
    font-size: 13px;
  }
}
@media (max-width: 991px) {
  .cat-hero {
    padding: 40px 30px;
  }
  .cat-hero h1 {
    font-size: 28px;
  }
  .alt-card {
    flex-direction: column;
    padding: 24px;
    gap: 24px;
  }
  .alt-card .alt-img {
    flex: none;
    width: 100%;
  }
  .alt-card.reversed {
    flex-direction: column;
  }
  .data-band .data-num {
    font-size: 34px;
  }
  .section-block {
    padding: 60px 0 10px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
    gap: 30px;
  }
}
@media (max-width: 767px) {
  .site-header {
    padding-top: 10px;
  }
  .nav-card {
    flex-wrap: nowrap;
    padding: 12px 14px;
  }
  .nav-links {
    display: none;
  }
  .mobile-toggle {
    display: inline-block;
  }
  .nav-actions .login-link {
    display: none;
  }
  .btn-register {
    padding: 7px 14px;
    font-size: 13px;
  }
  .cat-hero {
    padding: 32px 20px;
    border-radius: var(--radius-md);
  }
  .cat-hero h1 {
    font-size: 24px;
  }
  .cat-hero p {
    font-size: 14px;
  }
  .hero-btn-group .btn-primary-custom,
  .hero-btn-group .btn-outline-primary-custom {
    padding: 9px 18px;
    font-size: 14px;
  }
  .section-block {
    padding: 48px 0 10px;
  }
  .section-head h2 {
    font-size: 23px;
  }
  .section-head p {
    font-size: 14px;
  }
  .alt-card {
    padding: 20px;
    margin-bottom: 24px;
  }
  .alt-card .alt-content h3 {
    font-size: 19px;
  }
  .alt-card .alt-content p {
    font-size: 14px;
  }
  .data-band {
    padding: 32px 20px;
    margin-bottom: 40px;
  }
  .data-band .data-grid {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .data-band .data-item + .data-item {
    border-left: none;
    border-top: 1px solid rgba(255, 255, 255, .2);
    padding-top: 16px;
  }
  .data-band .data-num {
    font-size: 30px;
  }
  .cta-band {
    padding: 36px 20px;
    margin-bottom: 48px;
  }
  .cta-band h2 {
    font-size: 22px;
  }
  .cta-band p {
    font-size: 14px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 28px;
  }
}