/* roulang page: index */
:root {
            --bg-page: #f6f7fc;
            --bg-white: #ffffff;
            --bg-deep: #0d1734;
            --bg-soft: #eef0f7;
            --primary: #1a2a5e;
            --primary-light: #243b74;
            --primary-dark: #0c1526;
            --accent: #f5b32a;
            --accent-light: #ffce66;
            --text-dark: #1c2536;
            --text-muted: #64748b;
            --border-soft: #e5e9f2;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 10px;
            --shadow-sm: 0 4px 16px rgba(15, 23, 42, 0.05);
            --shadow-md: 0 8px 28px rgba(15, 23, 42, 0.08);
            --shadow-lg: 0 16px 44px rgba(15, 23, 42, 0.13);
            --shadow-accent: 0 10px 30px rgba(245, 179, 42, 0.28);
            --transition-base: all 0.3s ease;
            --font-body: "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }
        *,
        *::before,
        *::after {
            box-sizing: border-box;
            margin: 0;
            padding: 0;
        }
        html {
            scroll-behavior: smooth;
        }
        body {
            font-family: var(--font-body);
            color: var(--text-dark);
            background: var(--bg-page);
            line-height: 1.75;
            overflow-x: hidden;
            -webkit-font-smoothing: antialiased;
        }
        h1,
        h2,
        h3,
        h4,
        h5,
        h6 {
            line-height: 1.3;
            font-weight: 700;
            color: var(--text-dark);
        }
        a {
            color: inherit;
            text-decoration: none;
            transition: var(--transition-base);
        }
        img {
            max-width: 100%;
            height: auto;
            display: block;
        }
        button {
            cursor: pointer;
            border: none;
            background: none;
        }
        input,
        textarea,
        select {
            font-family: inherit;
            font-size: inherit;
        }
        ul,
        ol {
            list-style: none;
            padding: 0;
            margin: 0;
        }
        .container {
            max-width: 1200px;
        }
        .section-padding {
            padding: 96px 0;
        }
        .section-header {
            text-align: center;
            max-width: 760px;
            margin: 0 auto 52px;
        }
        .section-header.text-start {
            text-align: left;
            margin-left: 0;
            margin-right: 0;
        }
        .section-tag {
            display: inline-block;
            padding: 6px 18px;
            background: rgba(245, 179, 42, 0.12);
            color: #b07800;
            border-radius: 30px;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 1px;
        }
        .section-header h2 {
            font-size: 2.25rem;
            margin: 16px 0 12px;
            font-weight: 800;
        }
        .section-header p {
            color: var(--text-muted);
            font-size: 1.05rem;
        }
        .btn-star,
        .btn-outline-star,
        .btn-primary-star {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 12px 28px;
            border-radius: 12px;
            font-weight: 600;
            font-size: 0.98rem;
            transition: var(--transition-base);
            border: none;
        }
        .btn-star {
            background: linear-gradient(135deg, var(--accent), #ff9d2e);
            color: var(--primary-dark);
            box-shadow: var(--shadow-accent);
        }
        .btn-star:hover {
            transform: translateY(-2px);
            box-shadow: 0 14px 34px rgba(245, 179, 42, 0.4);
            color: var(--primary-dark);
        }
        .btn-outline-star {
            background: transparent;
            border: 2px solid rgba(255, 255, 255, 0.7);
            color: #fff;
        }
        .btn-outline-star:hover {
            background: rgba(255, 255, 255, 0.12);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-primary-star {
            background: var(--primary);
            color: #fff;
            box-shadow: 0 8px 24px rgba(26, 42, 94, 0.18);
        }
        .btn-primary-star:hover {
            background: var(--primary-light);
            color: #fff;
            transform: translateY(-2px);
        }
        .btn-star:focus,
        .btn-outline-star:focus,
        .btn-primary-star:focus {
            outline: 3px solid rgba(245, 179, 42, 0.35);
            outline-offset: 2px;
        }
        .custom-navbar {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.94);
            backdrop-filter: blur(18px);
            border-bottom: 1px solid var(--border-soft);
            padding: 8px 0;
            box-shadow: 0 2px 12px rgba(15, 23, 42, 0.04);
        }
        .custom-navbar .container {
            display: flex;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            padding-top: 4px;
            padding-bottom: 4px;
        }
        .navbar-brand {
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--primary);
            display: flex;
            align-items: center;
            gap: 10px;
            letter-spacing: 1px;
            white-space: nowrap;
        }
        .navbar-brand:hover {
            color: var(--primary);
        }
        .brand-star {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--accent), #ff9d2e);
            color: var(--primary-dark);
            border-radius: 10px;
            font-size: 17px;
            box-shadow: var(--shadow-accent);
            flex-shrink: 0;
        }
        .nav-search-wrap {
            flex: 1;
            max-width: 400px;
            margin: 0 16px;
        }
        .nav-search {
            display: flex;
            align-items: center;
            background: var(--bg-soft);
            border-radius: 30px;
            padding: 4px 6px 4px 16px;
            border: 1px solid transparent;
            transition: var(--transition-base);
        }
        .nav-search:focus-within {
            border-color: var(--accent);
            background: #fff;
            box-shadow: 0 0 0 4px rgba(245, 179, 42, 0.14);
        }
        .nav-search .search-icon {
            color: var(--text-muted);
            font-size: 14px;
            margin-right: 8px;
        }
        .nav-search input {
            flex: 1;
            border: none;
            outline: none;
            background: transparent;
            font-size: 0.9rem;
            padding: 8px 0;
            min-width: 0;
        }
        .nav-search input::placeholder {
            color: #9aa3b2;
        }
        .nav-search button {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: var(--primary);
            color: #fff;
            border-radius: 24px;
            width: 34px;
            height: 34px;
            transition: var(--transition-base);
            flex-shrink: 0;
        }
        .nav-search button:hover {
            background: var(--accent);
            color: var(--primary-dark);
        }
        .nav-search-mobile {
            display: none;
            margin-bottom: 12px;
        }
        .custom-navbar .navbar-collapse {
            flex-basis: auto;
        }
        .custom-navbar .navbar-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            margin-left: auto;
        }
        .custom-navbar .navbar-nav .nav-link {
            padding: 8px 16px;
            border-radius: 30px;
            font-size: 0.95rem;
            font-weight: 500;
            color: var(--text-dark);
            white-space: nowrap;
        }
        .custom-navbar .navbar-nav .nav-link:hover {
            color: var(--primary);
            background: var(--bg-soft);
        }
        .custom-navbar .navbar-nav .nav-link.active {
            color: var(--primary);
            background: rgba(26, 42, 94, 0.08);
            font-weight: 600;
        }
        .custom-navbar .navbar-toggler {
            border: none;
            box-shadow: none;
            padding: 8px 10px;
            border-radius: 10px;
        }
        .custom-navbar .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(245, 179, 42, 0.3);
        }
        .custom-navbar .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg viewBox='0 0 30 30' xmlns='http://www.w3.org/2000/svg'%3e%3cpath stroke='rgba(26,42,94,0.85)' stroke-width='2.5' stroke-linecap='round' stroke-miterlimit='10' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }
        .hero {
            position: relative;
            min-height: 84vh;
            display: flex;
            align-items: center;
            padding: 120px 0 90px;
            color: #fff;
            overflow: hidden;
        }
        .hero-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
        }
        .hero-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(8, 16, 38, 0.76) 0%, rgba(8, 16, 38, 0.55) 45%, rgba(8, 16, 38, 0.88) 100%);
        }
        .hero-content {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 880px;
            margin: 0 auto;
        }
        .hero-badge {
            display: inline-block;
            padding: 8px 20px;
            border-radius: 30px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.24);
            backdrop-filter: blur(8px);
            font-size: 0.86rem;
            letter-spacing: 2px;
            color: var(--accent-light);
        }
        .hero h1 {
            font-size: 3.4rem;
            font-weight: 800;
            color: #fff;
            margin: 24px 0 18px;
            letter-spacing: 2px;
            text-shadow: 0 4px 24px rgba(0, 0, 0, 0.25);
        }
        .hero p {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.85);
            margin-bottom: 36px;
            max-width: 620px;
            margin-left: auto;
            margin-right: auto;
        }
        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-bottom: 56px;
        }
        .hero-stats {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.15);
            padding-top: 32px;
        }
        .hero-stat strong {
            display: block;
            font-size: 2rem;
            color: var(--accent-light);
            line-height: 1.3;
        }
        .hero-stat span {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.72);
        }
        .about-section {
            background: var(--bg-page);
        }
        .about-card {
            background: var(--bg-white);
            border-radius: var(--radius-lg);
            padding: 36px 30px;
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-sm);
            height: 100%;
            transition: var(--transition-base);
            text-align: center;
        }
        .about-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(245, 179, 42, 0.3);
        }
        .about-icon {
            width: 64px;
            height: 64px;
            margin: 0 auto 20px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 24px;
            color: var(--accent);
            background: rgba(245, 179, 42, 0.12);
            border-radius: 18px;
            transition: var(--transition-base);
        }
        .about-card:hover .about-icon {
            background: rgba(245, 179, 42, 0.2);
            transform: scale(1.05);
        }
        .about-card h4 {
            font-size: 1.2rem;
            margin-bottom: 12px;
        }
        .about-card p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 0;
        }
        .categories-section {
            background: var(--bg-white);
        }
        .cat-card {
            display: block;
            background: #fff;
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition-base);
            height: 100%;
        }
        .cat-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }
        .cat-cover {
            position: relative;
            height: 210px;
            overflow: hidden;
        }
        .cat-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .cat-card:hover .cat-cover img {
            transform: scale(1.05);
        }
        .cat-arrow {
            position: absolute;
            top: 16px;
            right: 16px;
            width: 38px;
            height: 38px;
            background: rgba(255, 255, 255, 0.92);
            border-radius: 50%;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 14px;
            transition: var(--transition-base);
            box-shadow: 0 2px 10px rgba(0, 0, 0, 0.1);
        }
        .cat-card:hover .cat-arrow {
            background: var(--accent);
            color: var(--primary-dark);
        }
        .cat-body {
            padding: 26px;
        }
        .cat-body h4 {
            font-size: 1.3rem;
            margin-bottom: 10px;
        }
        .cat-body p {
            color: var(--text-muted);
            font-size: 0.95rem;
            margin-bottom: 16px;
        }
        .cat-meta {
            font-size: 0.85rem;
            color: var(--primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .news-section {
            background: var(--bg-page);
        }
        .news-list {
            display: flex;
            flex-direction: column;
            gap: 18px;
        }
        .news-item {
            background: #fff;
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            padding: 24px 26px;
            transition: var(--transition-base);
        }
        .news-item:hover {
            box-shadow: var(--shadow-md);
            transform: translateY(-3px);
            border-color: rgba(26, 42, 94, 0.12);
        }
        .news-item-link {
            display: block;
        }
        .news-item-meta {
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 10px;
        }
        .news-cat {
            display: inline-block;
            padding: 4px 12px;
            background: rgba(26, 42, 94, 0.08);
            color: var(--primary);
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
        }
        .news-date {
            font-size: 0.82rem;
            color: var(--text-muted);
        }
        .news-item-title {
            font-size: 1.18rem;
            margin-bottom: 8px;
            font-weight: 700;
            transition: color 0.3s;
        }
        .news-item:hover .news-item-title {
            color: var(--primary);
        }
        .news-item-excerpt {
            font-size: 0.95rem;
            color: var(--text-muted);
            margin-bottom: 12px;
        }
        .news-read-more {
            font-size: 0.85rem;
            color: var(--accent);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .news-read-more i {
            transition: transform 0.3s;
        }
        .news-item:hover .news-read-more i {
            transform: translateX(4px);
        }
        .news-empty {
            background: #fff;
            border-radius: var(--radius-md);
            padding: 48px 40px;
            text-align: center;
            color: var(--text-muted);
            font-size: 1rem;
            border: 1px dashed var(--border-soft);
        }
        .news-sidebar {
            display: flex;
            flex-direction: column;
            gap: 24px;
        }
        .side-card {
            background: #fff;
            border-radius: var(--radius-lg);
            border: 1px solid var(--border-soft);
            box-shadow: var(--shadow-sm);
            overflow: hidden;
        }
        .featured-card img {
            width: 100%;
            height: 180px;
            object-fit: cover;
        }
        .side-card-body {
            padding: 22px;
        }
        .side-tag {
            display: inline-block;
            background: rgba(245, 179, 42, 0.15);
            color: #b07800;
            font-size: 0.8rem;
            padding: 4px 12px;
            border-radius: 20px;
            font-weight: 600;
            margin-bottom: 10px;
        }
        .side-card-body h4 {
            font-size: 1.15rem;
            margin-bottom: 8px;
        }
        .side-card-body p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 0;
        }
        .subscribe-card {
            padding: 28px;
        }
        .subscribe-card h4 {
            font-size: 1.15rem;
            margin-bottom: 8px;
        }
        .subscribe-card p {
            color: var(--text-muted);
            font-size: 0.9rem;
            margin-bottom: 14px;
        }
        .subscribe-card form {
            display: flex;
            gap: 8px;
        }
        .subscribe-card input {
            flex: 1;
            border: 1px solid var(--border-soft);
            border-radius: 10px;
            padding: 10px 14px;
            font-size: 0.9rem;
            min-width: 0;
            transition: var(--transition-base);
        }
        .subscribe-card input:focus {
            outline: none;
            border-color: var(--accent);
            box-shadow: 0 0 0 4px rgba(245, 179, 42, 0.12);
        }
        .subscribe-card button {
            background: var(--primary);
            color: #fff;
            border-radius: 10px;
            padding: 10px 18px;
            font-size: 0.9rem;
            transition: var(--transition-base);
            white-space: nowrap;
        }
        .subscribe-card button:hover {
            background: var(--accent);
            color: var(--primary-dark);
        }
        .featured-section {
            background: var(--bg-white);
        }
        .featured-card {
            display: block;
            background: #fff;
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            transition: var(--transition-base);
            height: 100%;
        }
        .featured-card:hover {
            box-shadow: var(--shadow-lg);
            transform: translateY(-6px);
        }
        .featured-cover {
            position: relative;
            height: 180px;
            overflow: hidden;
        }
        .featured-cover img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.5s ease;
        }
        .featured-card:hover .featured-cover img {
            transform: scale(1.06);
        }
        .featured-tag {
            position: absolute;
            top: 12px;
            left: 12px;
            padding: 4px 12px;
            font-size: 0.78rem;
            font-weight: 600;
            border-radius: 20px;
            color: var(--primary-dark);
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(4px);
        }
        .featured-body {
            padding: 22px;
        }
        .featured-body h4 {
            font-size: 1.08rem;
            margin-bottom: 8px;
        }
        .featured-body p {
            font-size: 0.9rem;
            color: var(--text-muted);
            margin-bottom: 14px;
        }
        .featured-link {
            font-size: 0.85rem;
            color: var(--primary);
            font-weight: 600;
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }
        .featured-link i {
            transition: transform 0.3s;
        }
        .featured-card:hover .featured-link i {
            transform: translateX(4px);
        }
        .process-section {
            background: linear-gradient(135deg, #0c1526 0%, #16274f 55%, #1a2a5e 100%);
            position: relative;
            overflow: hidden;
        }
        .process-section .section-tag {
            background: rgba(255, 255, 255, 0.14);
            color: var(--accent-light);
        }
        .process-section .section-header h2 {
            color: #fff;
        }
        .process-section .section-header p {
            color: rgba(255, 255, 255, 0.72);
        }
        .step-card {
            background: rgba(255, 255, 255, 0.06);
            border: 1px solid rgba(255, 255, 255, 0.12);
            border-radius: var(--radius-lg);
            padding: 32px 26px;
            height: 100%;
            transition: var(--transition-base);
            backdrop-filter: blur(4px);
        }
        .step-card:hover {
            background: rgba(255, 255, 255, 0.1);
            transform: translateY(-5px);
            border-color: rgba(255, 255, 255, 0.22);
        }
        .step-num {
            font-size: 2.4rem;
            font-weight: 800;
            color: var(--accent);
            font-family: Georgia, "Times New Roman", serif;
            display: block;
            margin-bottom: 12px;
            line-height: 1;
        }
        .step-card h4 {
            color: #fff;
            font-size: 1.15rem;
            margin-bottom: 10px;
        }
        .step-card p {
            color: rgba(255, 255, 255, 0.68);
            font-size: 0.92rem;
            margin-bottom: 0;
        }
        .faq-section {
            background: var(--bg-page);
        }
        .custom-accordion .accordion-item {
            border: 1px solid var(--border-soft);
            border-radius: var(--radius-md);
            margin-bottom: 16px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
            background: #fff;
        }
        .custom-accordion .accordion-button {
            font-weight: 600;
            color: var(--text-dark);
            padding: 20px 24px;
            font-size: 1rem;
            background: #fff;
            box-shadow: none;
            transition: var(--transition-base);
        }
        .custom-accordion .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: rgba(26, 42, 94, 0.04);
            box-shadow: none;
        }
        .custom-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(245, 179, 42, 0.25);
        }
        .custom-accordion .accordion-button::after {
            background-image: none;
            content: "\f078";
            font-family: "Font Awesome 6 Free";
            font-weight: 900;
            color: var(--primary);
            transition: transform 0.3s;
        }
        .custom-accordion .accordion-button:not(.collapsed)::after {
            transform: rotate(180deg);
        }
        .custom-accordion .accordion-body {
            padding: 0 24px 22px;
            color: var(--text-muted);
            font-size: 0.95rem;
            background: #fff;
        }
        .cta-section {
            position: relative;
            padding: 110px 0;
            overflow: hidden;
        }
        .cta-bg {
            position: absolute;
            inset: 0;
            background-size: cover;
            background-position: center;
        }
        .cta-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(10, 18, 40, 0.9) 0%, rgba(10, 18, 40, 0.65) 100%);
        }
        .cta-content {
            position: relative;
            z-index: 2;
        }
        .cta-box {
            max-width: 780px;
            text-align: center;
            margin: 0 auto;
            color: #fff;
        }
        .cta-box h2 {
            color: #fff;
            font-size: 2.3rem;
            margin-bottom: 16px;
            font-weight: 800;
        }
        .cta-box p {
            color: rgba(255, 255, 255, 0.85);
            font-size: 1.1rem;
            margin-bottom: 32px;
        }
        .cta-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
        }
        .site-footer {
            background: var(--primary-dark);
            color: rgba(255, 255, 255, 0.75);
            padding-top: 70px;
            font-size: 0.9rem;
        }
        .footer-main {
            padding-bottom: 40px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }
        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }
        .site-footer p {
            margin-bottom: 16px;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
        }
        .footer-social {
            display: flex;
            gap: 10px;
            margin-top: 16px;
        }
        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.8);
            font-size: 16px;
            transition: var(--transition-base);
        }
        .footer-social a:hover {
            background: var(--accent);
            color: var(--primary-dark);
            transform: translateY(-3px);
        }
        .site-footer h5 {
            color: #fff;
            font-size: 1rem;
            margin-bottom: 18px;
            font-weight: 700;
        }
        .site-footer ul li {
            margin-bottom: 10px;
        }
        .site-footer ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            transition: var(--transition-base);
        }
        .site-footer ul li a:hover {
            color: var(--accent-light);
            padding-left: 4px;
        }
        .footer-bottom {
            padding: 24px 0;
            text-align: center;
            font-size: 0.82rem;
            color: rgba(255, 255, 255, 0.45);
        }
        .footer-bottom p {
            margin-bottom: 0;
        }
        @media (min-width: 992px) {
            .custom-navbar .navbar-collapse {
                display: flex;
                justify-content: flex-end;
            }
        }
        @media (max-width: 991.98px) {
            .nav-search-wrap {
                display: none !important;
            }
            .nav-search-mobile {
                display: flex;
                width: 100%;
                margin-top: 10px;
                margin-bottom: 8px;
            }
            .custom-navbar .navbar-collapse {
                padding: 12px 0 8px;
                width: 100%;
                flex-basis: 100%;
            }
            .custom-navbar .navbar-nav {
                margin-left: 0;
                gap: 2px;
                flex-wrap: wrap;
            }
            .custom-navbar .navbar-nav .nav-link {
                padding: 8px 14px;
            }
            .hero {
                min-height: 76vh;
                padding: 90px 0 70px;
            }
            .hero h1 {
                font-size: 2.6rem;
            }
            .section-padding {
                padding: 76px 0;
            }
            .section-header h2 {
                font-size: 1.9rem;
            }
        }
        @media (max-width: 767.98px) {
            .hero {
                min-height: auto;
                padding: 80px 0 60px;
            }
            .hero h1 {
                font-size: 2.2rem;
            }
            .hero p {
                font-size: 1rem;
            }
            .hero-actions {
                margin-bottom: 40px;
            }
            .hero-stats {
                grid-template-columns: repeat(2, 1fr);
                gap: 18px;
                padding-top: 24px;
            }
            .hero-stat strong {
                font-size: 1.7rem;
            }
            .section-padding {
                padding: 60px 0;
            }
            .section-header {
                margin-bottom: 36px;
            }
            .section-header h2 {
                font-size: 1.65rem;
            }
            .cat-cover {
                height: 180px;
            }
            .cta-box h2 {
                font-size: 1.7rem;
            }
            .cta-section {
                padding: 80px 0;
            }
            .news-item {
                padding: 20px;
            }
            .subscribe-card form {
                flex-direction: column;
            }
        }
        @media (max-width: 575.98px) {
            .navbar-brand {
                font-size: 1.2rem;
            }
            .brand-star {
                width: 34px;
                height: 34px;
                font-size: 15px;
            }
            .hero h1 {
                font-size: 1.85rem;
                letter-spacing: 1px;
            }
            .hero-actions .btn {
                width: 100%;
                justify-content: center;
            }
            .hero-stats {
                grid-template-columns: 1fr 1fr;
                gap: 14px;
            }
            .hero-stat strong {
                font-size: 1.4rem;
            }
            .hero-stat span {
                font-size: 0.78rem;
            }
            .section-header h2 {
                font-size: 1.45rem;
            }
            .step-card {
                padding: 24px 20px;
            }
            .footer-main [class*="col-"] {
                text-align: center;
            }
            .footer-brand {
                justify-content: center;
            }
            .footer-social {
                justify-content: center;
            }
            .site-footer p {
                margin-left: auto;
                margin-right: auto;
            }
        }

/* roulang page: category1 */
:root {
            --x-primary: #0b1d3a;
            --x-primary-light: #1d3a5f;
            --x-accent: #e9a13b;
            --x-accent-hover: #d48a24;
            --x-bg: #f5f7fc;
            --x-bg-alt: #eef1f7;
            --x-white: #ffffff;
            --x-text: #182a44;
            --x-text-body: #4b5a73;
            --x-text-muted: #8494ab;
            --x-border: #dfe6f0;
            --x-radius-sm: 10px;
            --x-radius: 16px;
            --x-radius-lg: 24px;
            --x-shadow-sm: 0 2px 10px rgba(11, 29, 58, 0.05);
            --x-shadow-md: 0 10px 35px rgba(11, 29, 58, 0.09);
            --x-shadow-lg: 0 20px 55px rgba(11, 29, 58, 0.13);
            --x-transition: 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            margin: 0;
            font-family: -apple-system, BlinkMacSystemFont, "Segoe UI", "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", sans-serif;
            font-size: 16px;
            line-height: 1.7;
            color: var(--x-text-body);
            background-color: var(--x-bg);
            -webkit-font-smoothing: antialiased;
        }

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

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

        button,
        input {
            font-family: inherit;
        }

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

        /* ===== 导航 ===== */
        .custom-navbar {
            background: var(--x-primary);
            padding: 14px 0;
            box-shadow: 0 4px 18px rgba(11, 29, 58, 0.22);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .custom-navbar .navbar-brand {
            font-size: 1.4rem;
            font-weight: 700;
            color: var(--x-white);
            display: flex;
            align-items: center;
            gap: 8px;
            letter-spacing: 0.5px;
        }

        .custom-navbar .brand-star {
            color: var(--x-accent);
            font-size: 1.4rem;
        }

        .custom-navbar .navbar-toggler {
            border: 1px solid rgba(255, 255, 255, 0.4);
            padding: 5px 8px;
            background: rgba(255, 255, 255, 0.08);
        }

        .custom-navbar .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(233, 161, 59, 0.4);
        }

        .custom-navbar .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba%28255,255,255,0.85%29' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 7h22M4 15h22M4 23h22'/%3e%3c/svg%3e");
        }

        .custom-navbar .nav-search-wrap {
            flex: 1;
            max-width: 420px;
            margin-left: 28px;
        }

        .custom-navbar .nav-search {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.16);
            border-radius: 40px;
            padding: 6px 6px 6px 14px;
            transition: border-color var(--x-transition), background var(--x-transition), box-shadow var(--x-transition);
        }

        .custom-navbar .nav-search:focus-within {
            background: rgba(255, 255, 255, 0.16);
            border-color: var(--x-accent);
            box-shadow: 0 0 0 3px rgba(233, 161, 59, 0.25);
        }

        .custom-navbar .nav-search .search-icon {
            color: rgba(255, 255, 255, 0.65);
            font-size: 0.85rem;
            margin-right: 8px;
        }

        .custom-navbar .nav-search input {
            flex: 1;
            border: none;
            background: transparent;
            color: var(--x-white);
            font-size: 0.92rem;
            outline: none;
            min-width: 0;
        }

        .custom-navbar .nav-search input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .custom-navbar .nav-search button {
            width: 34px;
            height: 34px;
            border-radius: 50%;
            border: none;
            background: var(--x-accent);
            color: var(--x-primary);
            font-size: 0.85rem;
            cursor: pointer;
            transition: background var(--x-transition), transform var(--x-transition);
        }

        .custom-navbar .nav-search button:hover {
            background: var(--x-accent-hover);
            transform: scale(1.05);
        }

        .custom-navbar .navbar-nav {
            gap: 4px;
            margin-left: auto;
        }

        .custom-navbar .nav-link {
            color: rgba(255, 255, 255, 0.75);
            font-weight: 500;
            font-size: 0.95rem;
            padding: 8px 14px;
            border-radius: 30px;
            transition: background var(--x-transition), color var(--x-transition);
        }

        .custom-navbar .nav-link:hover {
            color: var(--x-white);
            background: rgba(255, 255, 255, 0.1);
        }

        .custom-navbar .nav-link.active {
            color: var(--x-white);
            background: rgba(233, 161, 59, 0.16);
            box-shadow: inset 0 0 0 1px rgba(233, 161, 59, 0.28);
        }

        .nav-search-mobile {
            display: none;
            margin-bottom: 12px;
        }

        /* ===== Hero / Banner ===== */
        .category-hero {
            background: linear-gradient(135deg, rgba(11, 29, 58, 0.88) 0%, rgba(11, 29, 58, 0.65) 60%, rgba(20, 50, 80, 0.5) 100%), url('/assets/images/backpic/back-1.png') center center / cover no-repeat;
            padding: 90px 0 80px;
            color: var(--x-white);
            position: relative;
        }

        .category-hero .hero-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            padding: 6px 16px;
            background: rgba(233, 161, 59, 0.18);
            border: 1px solid rgba(233, 161, 59, 0.4);
            border-radius: 40px;
            font-size: 0.85rem;
            color: #f7d9a0;
            font-weight: 500;
            margin-bottom: 18px;
        }

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

        .category-hero h1 {
            font-size: 2.9rem;
            font-weight: 800;
            line-height: 1.2;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .category-hero h1 span {
            color: var(--x-accent);
        }

        .category-hero p.hero-desc {
            font-size: 1.15rem;
            color: rgba(255, 255, 255, 0.8);
            max-width: 680px;
            line-height: 1.8;
            margin-bottom: 24px;
        }

        .category-hero .hero-stats {
            display: flex;
            gap: 28px;
            flex-wrap: wrap;
            margin-bottom: 30px;
        }

        .category-hero .hero-stats .stat-item .stat-num {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--x-accent);
        }

        .category-hero .hero-stats .stat-item .stat-label {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.6);
        }

        .hero-badge-group {
            display: flex;
            gap: 8px;
            flex-wrap: wrap;
        }

        .hero-badge-group .badge-g {
            padding: 6px 14px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.18);
            border-radius: 30px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.8);
        }

        /* ===== 板块通用 ===== */
        .section-block {
            padding: 80px 0;
        }

        .section-alt {
            background: var(--x-white);
        }

        .section-header {
            margin-bottom: 42px;
        }

        .section-header .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--x-accent);
            font-weight: 600;
            font-size: 0.82rem;
            letter-spacing: 1.5px;
            text-transform: uppercase;
            margin-bottom: 10px;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 700;
            color: var(--x-text);
            margin-bottom: 10px;
        }

        .section-header p {
            color: var(--x-text-muted);
            max-width: 620px;
            font-size: 1rem;
        }

        /* ===== 知识卡片 ===== */
        .knowledge-card {
            background: var(--x-white);
            border: 1px solid var(--x-border);
            border-radius: var(--x-radius);
            padding: 30px 26px;
            height: 100%;
            transition: transform var(--x-transition), box-shadow var(--x-transition), border-color var(--x-transition);
        }

        .knowledge-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--x-shadow-md);
            border-color: rgba(233, 161, 59, 0.4);
        }

        .knowledge-card .icon-circle {
            width: 54px;
            height: 54px;
            border-radius: 16px;
            background: linear-gradient(145deg, #102a4c, #0b1d3a);
            color: var(--x-accent);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.3rem;
            margin-bottom: 18px;
            box-shadow: 0 6px 16px rgba(11, 29, 58, 0.18);
        }

        .knowledge-card h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--x-text);
            margin-bottom: 10px;
        }

        .knowledge-card p {
            font-size: 0.93rem;
            color: var(--x-text-body);
            margin-bottom: 14px;
        }

        .knowledge-card .tag-list {
            display: flex;
            gap: 6px;
            flex-wrap: wrap;
        }

        .knowledge-card .tag-list .tag {
            padding: 3px 10px;
            background: var(--x-bg-alt);
            border-radius: 20px;
            font-size: 0.78rem;
            color: var(--x-text);
        }

        /* ===== 装备卡片 ===== */
        .gear-card {
            background: var(--x-white);
            border-radius: var(--x-radius-lg);
            overflow: hidden;
            border: 1px solid var(--x-border);
            box-shadow: var(--x-shadow-sm);
            height: 100%;
            transition: transform var(--x-transition), box-shadow var(--x-transition);
        }

        .gear-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--x-shadow-lg);
        }

        .gear-card .gear-img {
            position: relative;
            height: 200px;
            overflow: hidden;
        }

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

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

        .gear-card .gear-img .level-badge {
            position: absolute;
            top: 14px;
            right: 14px;
            padding: 4px 12px;
            background: var(--x-accent);
            color: var(--x-primary);
            border-radius: 20px;
            font-size: 0.78rem;
            font-weight: 600;
        }

        .gear-card .gear-body {
            padding: 24px;
        }

        .gear-card .gear-body h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--x-text);
            margin-bottom: 8px;
        }

        .gear-card .gear-body p {
            font-size: 0.92rem;
            color: var(--x-text-body);
            margin-bottom: 14px;
        }

        .gear-card .gear-body .gear-price {
            font-size: 0.92rem;
            color: var(--x-text-muted);
        }

        .gear-card .gear-body .gear-price strong {
            color: var(--x-primary);
            font-size: 1rem;
        }

        /* ===== 观测目标卡片 ===== */
        .target-card {
            background: var(--x-white);
            border-radius: var(--x-radius);
            border: 1px solid var(--x-border);
            padding: 26px;
            height: 100%;
            transition: transform var(--x-transition), box-shadow var(--x-transition), border-color var(--x-transition);
        }

        .target-card:hover {
            transform: translateY(-4px);
            box-shadow: var(--x-shadow-md);
            border-color: rgba(233, 161, 59, 0.45);
        }

        .target-card .target-icon {
            width: 84px;
            height: 84px;
            border-radius: 22px;
            background: var(--x-bg-alt);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.7rem;
            color: var(--x-primary);
            margin-bottom: 18px;
        }

        .target-card h3 {
            font-size: 1.15rem;
            font-weight: 600;
            color: var(--x-text);
            margin-bottom: 8px;
        }

        .target-card .target-type {
            font-size: 0.82rem;
            color: var(--x-accent);
            font-weight: 500;
            margin-bottom: 8px;
        }

        .target-card p {
            font-size: 0.92rem;
            color: var(--x-text-body);
            margin-bottom: 14px;
        }

        .target-card .target-meta {
            display: flex;
            gap: 12px;
            font-size: 0.82rem;
            color: var(--x-text-muted);
        }

        /* ===== 季节计划 ===== */
        .season-card {
            background: var(--x-white);
            border-radius: var(--x-radius);
            border: 1px solid var(--x-border);
            padding: 28px;
            transition: transform var(--x-transition), box-shadow var(--x-transition);
        }

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

        .season-card .season-badge {
            display: inline-block;
            padding: 4px 14px;
            background: var(--x-bg-alt);
            border-radius: 20px;
            font-size: 0.82rem;
            font-weight: 500;
            color: var(--x-primary);
            margin-bottom: 12px;
        }

        .season-card h3 {
            font-size: 1.2rem;
            font-weight: 600;
            color: var(--x-text);
            margin-bottom: 10px;
        }

        .season-card ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .season-card ul li {
            padding: 6px 0;
            font-size: 0.92rem;
            color: var(--x-text-body);
            border-bottom: 1px dashed var(--x-border);
            display: flex;
            gap: 8px;
            align-items: center;
        }

        .season-card ul li:last-child {
            border-bottom: none;
        }

        .season-card ul li i {
            color: var(--x-accent);
            font-size: 0.75rem;
        }

        /* ===== 地点卡片 ===== */
        .place-card {
            background: var(--x-white);
            border-radius: var(--x-radius-lg);
            overflow: hidden;
            border: 1px solid var(--x-border);
            box-shadow: var(--x-shadow-sm);
            height: 100%;
            transition: transform var(--x-transition), box-shadow var(--x-transition);
        }

        .place-card:hover {
            transform: translateY(-5px);
            box-shadow: var(--x-shadow-lg);
        }

        .place-card .place-img {
            height: 220px;
            overflow: hidden;
            position: relative;
        }

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

        .place-card:hover .place-img img {
            transform: scale(1.06);
        }

        .place-card .place-img .place-label {
            position: absolute;
            left: 14px;
            bottom: 14px;
            padding: 5px 14px;
            background: rgba(11, 29, 58, 0.8);
            backdrop-filter: blur(4px);
            color: #fff;
            border-radius: 20px;
            font-size: 0.8rem;
        }

        .place-card .place-body {
            padding: 22px;
        }

        .place-card .place-body h3 {
            font-size: 1.1rem;
            font-weight: 600;
            color: var(--x-text);
            margin-bottom: 6px;
        }

        .place-card .place-body .place-detail {
            font-size: 0.85rem;
            color: var(--x-text-muted);
            margin-bottom: 12px;
        }

        .place-card .place-body p {
            font-size: 0.92rem;
            color: var(--x-text-body);
        }

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

        .accordion-item {
            border: 1px solid var(--x-border);
            border-radius: var(--x-radius) !important;
            overflow: hidden;
            margin-bottom: 14px;
            background: var(--x-white);
            box-shadow: var(--x-shadow-sm);
        }

        .accordion-button {
            font-weight: 600;
            color: var(--x-text);
            font-size: 1rem;
            padding: 18px 24px;
            background: var(--x-white);
            border: none;
            box-shadow: none;
        }

        .accordion-button:not(.collapsed) {
            background: rgba(233, 161, 59, 0.08);
            color: var(--x-primary);
        }

        .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(233, 161, 59, 0.25);
        }

        .accordion-button::after {
            background-image: url("data:image/svg+xml,%3csvg viewBox='0 0 16 16' fill='%230b1d3a' xmlns='http://www.w3.org/2000/svg'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
        }

        .accordion-body {
            padding: 6px 24px 22px;
            font-size: 0.93rem;
            line-height: 1.8;
            color: var(--x-text-body);
        }

        /* ===== CTA ===== */
        .cta-section {
            background: linear-gradient(145deg, var(--x-primary) 0%, #0e2a4e 60%, #123556 100%), url('/assets/images/backpic/back-2.png') center center / cover no-repeat;
            background-blend-mode: overlay;
            padding: 80px 0;
            color: var(--x-white);
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 700;
            margin-bottom: 14px;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            font-size: 1.05rem;
            max-width: 620px;
            margin: 0 auto 32px;
        }

        .btn-custom-accent {
            background: var(--x-accent);
            color: var(--x-primary);
            border: none;
            padding: 12px 34px;
            border-radius: 40px;
            font-weight: 600;
            font-size: 1rem;
            transition: background var(--x-transition), transform var(--x-transition), box-shadow var(--x-transition);
        }

        .btn-custom-accent:hover {
            background: var(--x-accent-hover);
            color: var(--x-white);
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(233, 161, 59, 0.35);
        }

        .btn-custom-outline {
            background: transparent;
            color: var(--x-white);
            border: 1px solid rgba(255, 255, 255, 0.6);
            padding: 12px 34px;
            border-radius: 40px;
            font-weight: 500;
            font-size: 1rem;
            transition: background var(--x-transition), border-color var(--x-transition), transform var(--x-transition);
        }

        .btn-custom-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: var(--x-white);
            transform: translateY(-2px);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #070f1e;
            color: rgba(255, 255, 255, 0.7);
            padding-top: 60px;
        }

        .site-footer .footer-brand {
            font-size: 1.5rem;
            font-weight: 700;
            color: #fff;
            display: flex;
            align-items: center;
            gap: 10px;
            margin-bottom: 14px;
        }

        .site-footer .footer-brand .brand-star {
            color: var(--x-accent);
        }

        .site-footer p {
            font-size: 0.92rem;
            line-height: 1.7;
            max-width: 340px;
        }

        .site-footer .footer-social {
            display: flex;
            gap: 10px;
            margin-top: 18px;
        }

        .site-footer .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.1);
            display: flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.8);
            font-size: 0.9rem;
            transition: background var(--x-transition), color var(--x-transition), transform var(--x-transition);
        }

        .site-footer .footer-social a:hover {
            background: var(--x-accent);
            color: var(--x-primary);
            transform: translateY(-3px);
        }

        .site-footer h5 {
            font-size: 1rem;
            font-weight: 600;
            color: #fff;
            margin-bottom: 18px;
            position: relative;
            padding-bottom: 10px;
        }

        .site-footer h5::after {
            content: '';
            position: absolute;
            left: 0;
            bottom: 0;
            width: 28px;
            height: 2px;
            background: var(--x-accent);
            border-radius: 2px;
        }

        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .site-footer ul li {
            padding: 4px 0;
        }

        .site-footer ul li a {
            color: rgba(255, 255, 255, 0.6);
            font-size: 0.9rem;
            transition: color var(--x-transition), padding-left var(--x-transition);
        }

        .site-footer ul li a:hover {
            color: var(--x-accent);
            padding-left: 5px;
        }

        .site-footer .footer-bottom {
            margin-top: 50px;
            padding: 20px 0;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
        }

        .site-footer .footer-bottom p {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.4);
            margin: 0;
            max-width: none;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 992px) {
            .custom-navbar .nav-search-wrap {
                display: none;
            }

            .custom-navbar .navbar-collapse {
                padding-top: 14px;
            }

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

            .custom-navbar .navbar-nav {
                margin-left: 0;
                gap: 2px;
            }

            .custom-navbar .nav-link {
                padding: 10px 14px;
                border-radius: 10px;
            }

            .category-hero {
                padding: 70px 0 60px;
            }

            .category-hero h1 {
                font-size: 2.2rem;
            }
        }

        @media (max-width: 768px) {
            .section-block {
                padding: 60px 0;
            }

            .category-hero {
                padding: 60px 0 50px;
            }

            .category-hero h1 {
                font-size: 1.8rem;
            }

            .category-hero p.hero-desc {
                font-size: 1rem;
            }

            .section-header h2 {
                font-size: 1.5rem;
            }
        }

        @media (max-width: 520px) {
            .category-hero {
                padding: 48px 0 42px;
            }

            .category-hero .hero-stats {
                gap: 16px;
            }

            .category-hero h1 {
                font-size: 1.6rem;
            }

            .card-body {
                padding: 16px;
            }
        }

/* roulang page: article */
:root {
            --c-primary: #4f46e5;
            --c-primary-dark: #3730a3;
            --c-primary-light: #818cf8;
            --c-accent: #f59e0b;
            --c-accent-light: #fbbf24;
            --c-bg: #f8fafc;
            --c-surface: #ffffff;
            --c-text: #1e293b;
            --c-text-muted: #64748b;
            --c-border: #e2e8f0;
            --c-dark-bg: #1a1533;
            --c-hero-overlay: rgba(15, 23, 42, 0.75);
            --c-hero-overlay-2: rgba(30, 27, 75, 0.88);
            --radius: 16px;
            --radius-lg: 24px;
            --radius-sm: 10px;
            --shadow: 0 4px 24px rgba(0, 0, 0, 0.06);
            --shadow-lg: 0 8px 36px rgba(0, 0, 0, 0.1);
            --space-section: 90px;
            --font-base: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: var(--font-base);
            font-size: 16px;
            line-height: 1.7;
            color: var(--c-text);
            background: var(--c-bg);
            -webkit-font-smoothing: antialiased;
        }

        a {
            color: var(--c-primary);
            text-decoration: none;
            transition: color 0.3s ease;
        }

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

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

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

        /* ===== Navbar ===== */
        .custom-navbar {
            background: var(--c-surface);
            border-bottom: 1px solid var(--c-border);
            padding: 14px 0;
            box-shadow: 0 2px 12px rgba(0, 0, 0, 0.03);
            position: sticky;
            top: 0;
            z-index: 1000;
        }

        .custom-navbar .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.35rem;
            font-weight: 800;
            color: var(--c-text);
            letter-spacing: 0.5px;
        }

        .custom-navbar .navbar-brand:hover {
            color: var(--c-primary);
        }

        .brand-star {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--c-primary), var(--c-primary-light));
            color: #fff;
            border-radius: 10px;
            font-size: 16px;
            box-shadow: 0 4px 12px rgba(79, 70, 229, 0.35);
        }

        .nav-search-wrap {
            flex: 1;
            max-width: 380px;
            margin: 0 28px;
        }

        .nav-search {
            position: relative;
            display: flex;
            align-items: center;
        }

        .nav-search .search-icon {
            position: absolute;
            left: 14px;
            color: var(--c-text-muted);
            font-size: 14px;
            z-index: 1;
            pointer-events: none;
        }

        .nav-search input {
            width: 100%;
            border: 2px solid var(--c-border);
            border-radius: 999px;
            padding: 9px 44px 9px 38px;
            font-size: 0.9rem;
            background: var(--c-bg);
            transition: border-color 0.3s, box-shadow 0.3s;
            outline: none;
        }

        .nav-search input:focus {
            border-color: var(--c-primary);
            background: #fff;
            box-shadow: 0 0 0 4px rgba(79, 70, 229, 0.1);
        }

        .nav-search button {
            position: absolute;
            right: 5px;
            border: none;
            background: var(--c-primary);
            color: #fff;
            width: 30px;
            height: 30px;
            border-radius: 50%;
            font-size: 12px;
            display: flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: background 0.3s;
        }

        .nav-search button:hover {
            background: var(--c-primary-dark);
        }

        .custom-navbar .navbar-nav {
            gap: 4px;
            align-items: center;
        }

        .custom-navbar .nav-link {
            font-weight: 600;
            color: var(--c-text);
            padding: 8px 18px !important;
            border-radius: 999px;
            font-size: 0.93rem;
            transition: background 0.3s, color 0.3s;
        }

        .custom-navbar .nav-link:hover {
            color: var(--c-primary);
            background: rgba(79, 70, 229, 0.06);
        }

        .custom-navbar .nav-link.active {
            background: var(--c-primary);
            color: #fff;
            box-shadow: 0 4px 14px rgba(79, 70, 229, 0.3);
        }

        .navbar-toggler {
            border: 2px solid var(--c-border);
            border-radius: 10px;
            padding: 6px 10px;
        }

        .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
        }

        .nav-search-mobile {
            display: none;
        }

        /* ===== Article Hero ===== */
        .article-hero {
            position: relative;
            padding: 90px 0 70px;
            background:
                linear-gradient(var(--c-hero-overlay), var(--c-hero-overlay-2)),
                url('/assets/images/backpic/back-2.png') center / cover no-repeat;
            color: #fff;
            overflow: hidden;
        }

        .article-hero::after {
            content: '';
            position: absolute;
            top: -80px;
            right: -60px;
            width: 260px;
            height: 260px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(245, 158, 11, 0.25), transparent 70%);
            pointer-events: none;
        }

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

        .article-breadcrumb {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 8px;
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.7);
            margin-bottom: 22px;
        }

        .article-breadcrumb a {
            color: rgba(255, 255, 255, 0.85);
            transition: color 0.3s;
        }

        .article-breadcrumb a:hover {
            color: var(--c-accent-light);
        }

        .article-breadcrumb .sep {
            color: rgba(255, 255, 255, 0.4);
            font-size: 12px;
        }

        .article-category-badge {
            display: inline-block;
            background: rgba(245, 158, 11, 0.18);
            border: 1px solid rgba(245, 158, 11, 0.4);
            color: var(--c-accent-light);
            font-size: 0.85rem;
            font-weight: 600;
            padding: 5px 18px;
            border-radius: 999px;
            margin-bottom: 18px;
            letter-spacing: 1px;
        }

        .article-hero h1 {
            font-size: 2.3rem;
            font-weight: 800;
            line-height: 1.3;
            margin-bottom: 22px;
            max-width: 820px;
            text-shadow: 0 2px 12px rgba(0, 0, 0, 0.2);
            letter-spacing: 0.5px;
        }

        .article-meta {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            gap: 20px;
            font-size: 0.9rem;
            color: rgba(255, 255, 255, 0.75);
        }

        .article-meta span {
            display: flex;
            align-items: center;
            gap: 7px;
        }

        .article-meta i {
            color: var(--c-accent);
            font-size: 14px;
        }

        /* ===== Article Content ===== */
        .article-content-section {
            padding: 70px 0 60px;
            background: var(--c-bg);
        }

        .article-card {
            background: var(--c-surface);
            border-radius: var(--radius-lg);
            box-shadow: var(--shadow);
            padding: 48px;
            border: 1px solid rgba(226, 232, 240, 0.5);
        }

        .article-body {
            font-size: 1.05rem;
            line-height: 1.9;
            color: var(--c-text);
        }

        .article-body h2,
        .article-body h3,
        .article-body h4 {
            color: var(--c-text);
            font-weight: 700;
            margin-top: 32px;
            margin-bottom: 16px;
            line-height: 1.4;
        }

        .article-body h2 {
            font-size: 1.55rem;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--c-border);
        }

        .article-body h3 {
            font-size: 1.25rem;
        }

        .article-body p {
            margin-bottom: 18px;
            color: #334155;
        }

        .article-body ul,
        .article-body ol {
            margin: 0 0 20px 22px;
            color: #334155;
        }

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

        .article-body img {
            border-radius: var(--radius);
            margin: 24px 0;
            box-shadow: var(--shadow);
        }

        .article-body blockquote {
            background: #f0edff;
            border-left: 4px solid var(--c-primary);
            padding: 20px 24px;
            border-radius: 0 var(--radius) var(--radius) 0;
            font-style: italic;
            color: var(--c-primary-dark);
            margin: 24px 0;
        }

        .article-body a {
            color: var(--c-primary);
            text-decoration: underline;
            text-underline-offset: 3px;
        }

        .article-body table {
            width: 100%;
            border-collapse: collapse;
            margin: 24px 0;
            font-size: 0.95rem;
        }

        .article-body table th,
        .article-body table td {
            border: 1px solid var(--c-border);
            padding: 12px 16px;
            text-align: left;
        }

        .article-body table th {
            background: #f1f4ff;
            font-weight: 600;
        }

        .article-not-found {
            text-align: center;
            padding: 60px 30px;
        }

        .article-not-found i {
            font-size: 3.5rem;
            color: var(--c-primary-light);
            display: block;
            margin-bottom: 20px;
        }

        .article-not-found h2 {
            font-size: 1.6rem;
            margin-bottom: 8px;
        }

        .article-not-found p {
            color: var(--c-text-muted);
            margin-bottom: 24px;
        }

        .btn-home {
            display: inline-block;
            background: var(--c-primary);
            color: #fff;
            padding: 12px 32px;
            border-radius: 999px;
            font-weight: 600;
            border: none;
            transition: background 0.3s, transform 0.3s, box-shadow 0.3s;
            box-shadow: 0 4px 16px rgba(79, 70, 229, 0.3);
        }

        .btn-home:hover {
            background: var(--c-primary-dark);
            color: #fff;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(79, 70, 229, 0.35);
        }

        /* ===== Tags & Share ===== */
        .article-tags-share {
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 20px;
            margin-top: 36px;
            padding-top: 24px;
            border-top: 1px solid var(--c-border);
        }

        .article-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 8px;
        }

        .tag-item {
            display: inline-block;
            background: #f0edff;
            color: var(--c-primary-dark);
            font-size: 0.82rem;
            font-weight: 600;
            padding: 5px 16px;
            border-radius: 999px;
            transition: background 0.3s, transform 0.2s;
            cursor: default;
        }

        .tag-item:hover {
            background: var(--c-primary);
            color: #fff;
            transform: translateY(-1px);
        }

        .article-share {
            display: flex;
            align-items: center;
            gap: 10px;
        }

        .article-share .share-label {
            font-size: 0.85rem;
            color: var(--c-text-muted);
            margin-right: 4px;
        }

        .share-btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            border-radius: 50%;
            background: var(--c-bg);
            color: var(--c-text-muted);
            font-size: 14px;
            transition: background 0.3s, color 0.3s, transform 0.2s;
            text-decoration: none;
        }

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

        /* ===== Related Categories ===== */
        .related-section {
            padding: 70px 0;
            background: #fff;
        }

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

        .section-header .sec-eyebrow {
            display: inline-block;
            background: #f0edff;
            color: var(--c-primary);
            font-size: 0.8rem;
            font-weight: 700;
            padding: 4px 16px;
            border-radius: 999px;
            letter-spacing: 2px;
            margin-bottom: 14px;
            text-transform: uppercase;
        }

        .section-header h2 {
            font-size: 2rem;
            font-weight: 800;
            color: var(--c-text);
            margin-bottom: 10px;
        }

        .section-header p {
            color: var(--c-text-muted);
            max-width: 600px;
            margin: 0 auto;
            font-size: 1rem;
        }

        .cat-card {
            background: var(--c-surface);
            border: 1px solid var(--c-border);
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
            transition: transform 0.4s, box-shadow 0.4s;
            height: 100%;
            display: flex;
            flex-direction: column;
        }

        .cat-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow-lg);
        }

        .cat-card-cover {
            position: relative;
            height: 200px;
            overflow: hidden;
        }

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

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

        .cat-card-cover::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to bottom, transparent 50%, rgba(15, 23, 42, 0.4));
        }

        .cat-card-body {
            padding: 26px;
            display: flex;
            flex-direction: column;
            flex: 1;
        }

        .cat-card-body h3 {
            font-size: 1.3rem;
            font-weight: 700;
            margin-bottom: 10px;
            color: var(--c-text);
        }

        .cat-card-body p {
            color: var(--c-text-muted);
            font-size: 0.92rem;
            margin-bottom: 18px;
            flex: 1;
            line-height: 1.7;
        }

        .cat-card-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            color: var(--c-primary);
            font-weight: 600;
            font-size: 0.9rem;
            transition: gap 0.3s;
            text-decoration: none;
        }

        .cat-card-link:hover {
            gap: 12px;
            color: var(--c-primary-dark);
        }

        /* ===== FAQ ===== */
        .faq-section {
            padding: 70px 0;
            background: var(--c-bg);
        }

        .faq-wrap {
            max-width: 800px;
            margin: 0 auto;
        }

        .faq-section .accordion-item {
            border: 1px solid var(--c-border);
            border-radius: var(--radius) !important;
            margin-bottom: 16px;
            overflow: hidden;
            background: var(--c-surface);
            box-shadow: 0 2px 8px rgba(0, 0, 0, 0.02);
        }

        .faq-section .accordion-button {
            font-weight: 600;
            font-size: 1rem;
            color: var(--c-text);
            padding: 20px 24px;
            background: var(--c-surface);
            border: none;
            box-shadow: none;
        }

        .faq-section .accordion-button:not(.collapsed) {
            background: #f5f3ff;
            color: var(--c-primary-dark);
        }

        .faq-section .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(79, 70, 229, 0.15);
            border-radius: var(--radius);
        }

        .faq-section .accordion-body {
            padding: 4px 24px 20px;
            color: var(--c-text-muted);
            font-size: 0.95rem;
            line-height: 1.75;
            background: var(--c-surface);
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 70px 0;
            background:
                linear-gradient(135deg, rgba(30, 27, 75, 0.92), rgba(15, 23, 42, 0.88)),
                url('/assets/images/backpic/back-3.png') center / cover no-repeat;
            color: #fff;
            text-align: center;
        }

        .cta-section h2 {
            font-size: 2rem;
            font-weight: 800;
            margin-bottom: 14px;
            letter-spacing: 1px;
        }

        .cta-section p {
            color: rgba(255, 255, 255, 0.8);
            max-width: 600px;
            margin: 0 auto 32px;
            font-size: 1.05rem;
        }

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

        .btn-cta-primary,
        .btn-cta-outline {
            display: inline-block;
            padding: 14px 38px;
            border-radius: 999px;
            font-weight: 600;
            font-size: 0.95rem;
            transition: all 0.3s ease;
            text-decoration: none;
        }

        .btn-cta-primary {
            background: var(--c-accent);
            color: #1e293b;
            box-shadow: 0 6px 24px rgba(245, 158, 11, 0.4);
        }

        .btn-cta-primary:hover {
            background: var(--c-accent-light);
            color: #1e293b;
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(245, 158, 11, 0.5);
        }

        .btn-cta-outline {
            border: 2px solid rgba(255, 255, 255, 0.6);
            color: #fff;
            background: transparent;
        }

        .btn-cta-outline:hover {
            background: rgba(255, 255, 255, 0.12);
            border-color: #fff;
            color: #fff;
            transform: translateY(-2px);
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #161225;
            color: rgba(255, 255, 255, 0.75);
            padding: 70px 0 30px;
        }

        .site-footer .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 1.4rem;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }

        .site-footer .footer-brand .brand-star {
            background: linear-gradient(135deg, var(--c-accent), #f97316);
            box-shadow: 0 4px 14px rgba(245, 158, 11, 0.3);
        }

        .site-footer p {
            font-size: 0.92rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.6);
            max-width: 320px;
            margin-bottom: 20px;
        }

        .footer-social {
            display: flex;
            gap: 10px;
        }

        .footer-social a {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.08);
            color: rgba(255, 255, 255, 0.7);
            font-size: 15px;
            transition: background 0.3s, color 0.3s, transform 0.2s;
        }

        .footer-social a:hover {
            background: var(--c-primary);
            color: #fff;
            transform: translateY(-3px);
        }

        .site-footer h5 {
            color: #fff;
            font-size: 1rem;
            font-weight: 700;
            margin-bottom: 18px;
            letter-spacing: 1px;
        }

        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .site-footer ul li {
            margin-bottom: 10px;
            font-size: 0.9rem;
        }

        .site-footer ul li a {
            color: rgba(255, 255, 255, 0.6);
            transition: color 0.3s, padding-left 0.3s;
        }

        .site-footer ul li a:hover {
            color: var(--c-accent-light);
            padding-left: 5px;
        }

        .footer-bottom {
            margin-top: 48px;
            padding-top: 24px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            text-align: center;
        }

        .footer-bottom p {
            font-size: 0.85rem;
            color: rgba(255, 255, 255, 0.45);
            margin: 0 auto;
            max-width: none;
        }

        /* ===== Animations ===== */
        @keyframes fadeInUp {
            from {
                opacity: 0;
                transform: translateY(30px);
            }
            to {
                opacity: 1;
                transform: translateY(0);
            }
        }

        .article-hero .container {
            animation: fadeInUp 0.6s ease-out;
        }

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            :root {
                --space-section: 70px;
            }

            .article-hero h1 {
                font-size: 2rem;
            }

            .nav-search-wrap {
                max-width: 280px;
                margin: 0 16px;
            }
        }

        @media (max-width: 768px) {
            :root {
                --space-section: 56px;
            }

            .custom-navbar .navbar-collapse {
                background: var(--c-surface);
                border-radius: var(--radius);
                padding: 16px 20px;
                margin-top: 12px;
                box-shadow: var(--shadow-lg);
                border: 1px solid var(--c-border);
            }

            .custom-navbar .navbar-nav {
                flex-direction: column;
                align-items: stretch;
                gap: 4px;
                margin-top: 12px;
            }

            .custom-navbar .nav-link {
                padding: 12px 16px !important;
                border-radius: 10px;
            }

            .nav-search-wrap {
                display: none;
            }

            .nav-search-mobile {
                display: block;
                margin-bottom: 8px;
            }

            .article-hero {
                padding: 64px 0 50px;
            }

            .article-hero h1 {
                font-size: 1.6rem;
            }

            .article-card {
                padding: 28px 22px;
            }

            .article-tags-share {
                flex-direction: column;
                align-items: flex-start;
            }

            .section-header h2 {
                font-size: 1.6rem;
            }

            .cat-card-cover {
                height: 170px;
            }

            .cta-section h2 {
                font-size: 1.6rem;
            }

            .site-footer {
                padding: 50px 0 24px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

            .article-hero h1 {
                font-size: 1.35rem;
            }

            .article-meta {
                gap: 12px;
                font-size: 0.82rem;
            }

            .article-card {
                padding: 22px 16px;
                border-radius: 16px;
            }

            .article-body {
                font-size: 0.97rem;
            }

            .article-body h2 {
                font-size: 1.3rem;
            }

            .cat-card-cover {
                height: 150px;
            }

            .cta-buttons {
                flex-direction: column;
                align-items: center;
                gap: 12px;
            }

            .btn-cta-primary,
            .btn-cta-outline {
                width: 100%;
                max-width: 260px;
                text-align: center;
            }

            .footer-social {
                flex-wrap: wrap;
            }
        }

/* roulang page: category3 */
:root {
            --xk-primary: #0f2a4a;
            --xk-primary-deep: #08162a;
            --xk-accent: #f5b942;
            --xk-accent-soft: #fdeed0;
            --xk-bg: #f5f8fd;
            --xk-white: #ffffff;
            --xk-dark: #08162a;
            --xk-text: #1f2e44;
            --xk-muted: #66788f;
            --xk-border: #e2eaf3;
            --xk-radius: 20px;
            --xk-radius-sm: 12px;
            --xk-shadow: 0 10px 40px rgba(15, 42, 74, .08);
            --xk-shadow-hover: 0 18px 50px rgba(15, 42, 74, .14);
            --xk-transition: .28s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: system-ui, -apple-system, "PingFang SC", "Microsoft YaHei", "Noto Sans SC", sans-serif;
            color: var(--xk-text);
            background-color: var(--xk-bg);
            line-height: 1.7;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

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

        p {
            margin-bottom: 1rem;
        }

        .container {
            max-width: 1280px;
            padding-left: 20px;
            padding-right: 20px;
        }

        .section-pad {
            padding: 96px 0;
        }

        .section-head {
            max-width: 720px;
            margin-bottom: 48px;
        }

        .section-head .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--xk-accent-soft);
            color: #a06b12;
            font-size: 13px;
            font-weight: 600;
            padding: 6px 16px;
            border-radius: 50px;
            margin-bottom: 16px;
            letter-spacing: .5px;
        }

        .section-head h2 {
            font-size: clamp(28px, 3.2vw, 40px);
            margin-bottom: 14px;
        }

        .section-head p {
            color: var(--xk-muted);
            font-size: 16px;
            margin: 0;
        }

        .btn {
            border-radius: 50px;
            padding: 10px 26px;
            font-weight: 600;
            transition: all var(--xk-transition);
            border: none;
        }

        .btn-accent {
            background: var(--xk-accent);
            color: #08162a;
        }

        .btn-accent:hover {
            background: #e0a32e;
            color: #08162a;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 185, 66, .35);
        }

        .btn-outline-light {
            border: 2px solid rgba(255, 255, 255, .6);
            color: #fff;
            background: transparent;
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, .12);
            color: #fff;
            border-color: #fff;
        }

        .custom-navbar {
            position: sticky;
            top: 0;
            z-index: 1050;
            background: rgba(255, 255, 255, .92);
            backdrop-filter: blur(14px);
            -webkit-backdrop-filter: blur(14px);
            border-bottom: 1px solid var(--xk-border);
            padding: 12px 0;
            box-shadow: 0 4px 20px rgba(8, 22, 42, .04);
        }

        .custom-navbar .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--xk-primary);
            margin-right: 24px;
        }

        .custom-navbar .navbar-brand .brand-star {
            width: 40px;
            height: 40px;
            background: linear-gradient(135deg, var(--xk-primary), #1d4d7a);
            border-radius: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--xk-accent);
            font-size: 16px;
            box-shadow: 0 6px 16px rgba(15, 42, 74, .2);
        }

        .custom-navbar .nav-search-wrap {
            flex: 1;
            max-width: 520px;
            margin: 0 auto;
        }

        .custom-navbar .nav-search {
            display: flex;
            align-items: center;
            background: #f1f5fb;
            border: 1px solid var(--xk-border);
            border-radius: 50px;
            padding: 6px 6px 6px 18px;
            transition: all var(--xk-transition);
        }

        .custom-navbar .nav-search:focus-within {
            border-color: var(--xk-accent);
            background: #fff;
            box-shadow: 0 0 0 4px rgba(245, 185, 66, .18);
        }

        .custom-navbar .nav-search .search-icon {
            color: var(--xk-muted);
            font-size: 14px;
            margin-right: 10px;
        }

        .custom-navbar .nav-search input {
            flex: 1;
            border: none;
            outline: none;
            background: transparent;
            font-size: 14px;
            color: var(--xk-text);
            min-width: 0;
        }

        .custom-navbar .nav-search input::placeholder {
            color: #9aabc0;
        }

        .custom-navbar .nav-search button {
            width: 36px;
            height: 36px;
            border: none;
            background: var(--xk-accent);
            border-radius: 50%;
            color: #08162a;
            font-size: 14px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            transition: all var(--xk-transition);
        }

        .custom-navbar .nav-search button:hover {
            background: #e0a32e;
            transform: scale(1.05);
        }

        .custom-navbar .navbar-nav {
            align-items: center;
            gap: 4px;
        }

        .custom-navbar .navbar-nav .nav-link {
            color: var(--xk-text);
            font-weight: 500;
            font-size: 15px;
            padding: 10px 16px;
            border-radius: 50px;
            position: relative;
            transition: all var(--xk-transition);
        }

        .custom-navbar .navbar-nav .nav-link:hover {
            color: var(--xk-primary);
            background: #f0f5fc;
        }

        .custom-navbar .navbar-nav .nav-link.active {
            color: var(--xk-primary);
            font-weight: 700;
            background: var(--xk-accent-soft);
        }

        .custom-navbar .navbar-toggler {
            border: 1px solid var(--xk-border);
            border-radius: 10px;
            padding: 6px 10px;
        }

        .custom-navbar .navbar-toggler:focus {
            box-shadow: 0 0 0 4px rgba(245, 185, 66, .2);
        }

        .custom-navbar .navbar-toggler-icon {
            background-image: none;
            width: 22px;
            height: 22px;
            position: relative;
            display: inline-block;
        }

        .custom-navbar .navbar-toggler-icon::before,
        .custom-navbar .navbar-toggler-icon::after {
            content: "";
            position: absolute;
            left: 0;
            width: 100%;
            height: 2px;
            background: var(--xk-primary);
            border-radius: 4px;
            top: 6px;
            box-shadow: 0 7px 0 var(--xk-primary), 0 14px 0 var(--xk-primary);
        }

        .nav-search-mobile {
            display: none;
        }

        .page-hero {
            position: relative;
            padding: 110px 0 90px;
            background: linear-gradient(135deg, rgba(8, 22, 42, .82), rgba(15, 42, 74, .66)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
            color: #fff;
        }

        .page-hero .breadcrumb {
            background: transparent;
            padding: 0;
            margin-bottom: 20px;
            font-size: 14px;
        }

        .page-hero .breadcrumb a {
            color: rgba(255, 255, 255, .7);
        }

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

        .page-hero .breadcrumb-item+.breadcrumb-item::before {
            color: rgba(255, 255, 255, .5);
        }

        .page-hero h1 {
            font-size: clamp(36px, 5vw, 56px);
            color: #fff;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .page-hero p {
            max-width: 640px;
            font-size: 18px;
            color: rgba(255, 255, 255, .82);
            margin-bottom: 28px;
        }

        .page-hero .hero-tags {
            display: flex;
            flex-wrap: wrap;
            gap: 10px;
        }

        .page-hero .hero-tags span {
            background: rgba(255, 255, 255, .12);
            border: 1px solid rgba(255, 255, 255, .25);
            border-radius: 50px;
            padding: 6px 16px;
            font-size: 13px;
            color: rgba(255, 255, 255, .9);
        }

        .info-tags-panel {
            margin-top: -52px;
            position: relative;
            z-index: 5;
        }

        .info-tag-card {
            background: var(--xk-white);
            border-radius: var(--xk-radius);
            padding: 28px 26px;
            height: 100%;
            border: 1px solid var(--xk-border);
            box-shadow: var(--xk-shadow);
            transition: all var(--xk-transition);
        }

        .info-tag-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--xk-shadow-hover);
            border-color: transparent;
        }

        .info-tag-card .tag-icon {
            width: 50px;
            height: 50px;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--xk-primary), #1d4d7a);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--xk-accent);
            font-size: 20px;
            margin-bottom: 16px;
        }

        .info-tag-card h5 {
            font-size: 17px;
            margin-bottom: 8px;
        }

        .info-tag-card p {
            font-size: 14px;
            color: var(--xk-muted);
            margin: 0;
        }

        .news-card {
            background: var(--xk-white);
            border-radius: var(--xk-radius);
            overflow: hidden;
            border: 1px solid var(--xk-border);
            box-shadow: var(--xk-shadow);
            height: 100%;
            transition: all var(--xk-transition);
        }

        .news-card:hover {
            transform: translateY(-8px);
            box-shadow: 0 18px 46px rgba(15, 42, 74, .12);
            border-color: transparent;
        }

        .news-card .news-thumb {
            position: relative;
            height: 200px;
            overflow: hidden;
        }

        .news-card .news-thumb img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform .5s ease;
        }

        .news-card:hover .news-thumb img {
            transform: scale(1.06);
        }

        .news-card .news-badge {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(8, 22, 42, .75);
            backdrop-filter: blur(6px);
            color: var(--xk-accent);
            font-size: 12px;
            padding: 4px 12px;
            border-radius: 50px;
            letter-spacing: .4px;
        }

        .news-card .news-body {
            padding: 22px 22px 18px;
        }

        .news-card .news-body .news-meta {
            display: flex;
            align-items: center;
            gap: 8px;
            font-size: 13px;
            color: var(--xk-muted);
            margin-bottom: 10px;
        }

        .news-card .news-body .news-meta i {
            color: var(--xk-accent);
            font-size: 12px;
        }

        .news-card .news-body h3 {
            font-size: 18px;
            margin-bottom: 10px;
        }

        .news-card .news-body h3 a {
            color: var(--xk-primary);
        }

        .news-card .news-body h3 a:hover {
            color: var(--xk-accent);
        }

        .news-card .news-body p {
            font-size: 14px;
            color: var(--xk-muted);
            margin-bottom: 14px;
        }

        .news-card .news-link {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--xk-primary);
        }

        .news-card .news-link i {
            font-size: 12px;
            transition: transform var(--xk-transition);
        }

        .news-card .news-link:hover i {
            transform: translateX(4px);
        }

        .feature-event {
            background: var(--xk-primary-deep);
            position: relative;
            overflow: hidden;
        }

        .feature-event::before {
            content: "";
            position: absolute;
            inset: 0;
            background: url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            opacity: .15;
        }

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

        .event-feature-card {
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .12);
            border-radius: var(--xk-radius);
            overflow: hidden;
            transition: all var(--xk-transition);
            backdrop-filter: blur(4px);
        }

        .event-feature-card:hover {
            background: rgba(255, 255, 255, .1);
            transform: translateY(-4px);
        }

        .event-feature-card img {
            height: 190px;
            width: 100%;
            object-fit: cover;
        }

        .event-feature-card .event-content {
            padding: 22px;
        }

        .event-feature-card .event-date {
            font-size: 13px;
            color: var(--xk-accent);
            font-weight: 600;
        }

        .event-feature-card h5 {
            color: #fff;
            font-size: 17px;
            margin: 8px 0;
        }

        .event-feature-card p {
            color: rgba(255, 255, 255, .7);
            font-size: 14px;
            margin: 0;
        }

        .event-main-card {
            background: rgba(255, 255, 255, .08);
            border: 1px solid rgba(255, 255, 255, .14);
            border-radius: var(--xk-radius);
            overflow: hidden;
            height: 100%;
            display: flex;
            flex-direction: column;
            backdrop-filter: blur(6px);
        }

        .event-main-card img {
            height: 260px;
            width: 100%;
            object-fit: cover;
        }

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

        .event-main-card .event-badge {
            background: var(--xk-accent);
            color: #08162a;
            font-size: 13px;
            padding: 4px 14px;
            border-radius: 50px;
            font-weight: 700;
            display: inline-block;
            margin-bottom: 10px;
        }

        .event-main-card h4 {
            color: #fff;
            font-size: 24px;
            margin-bottom: 12px;
        }

        .event-main-card p {
            color: rgba(255, 255, 255, .75);
            margin-bottom: 18px;
        }

        .event-main-card .btn-accent {
            align-self: flex-start;
        }

        .timeline-wrap {
            position: relative;
            padding-left: 44px;
        }

        .timeline-wrap::before {
            content: "";
            position: absolute;
            left: 14px;
            top: 8px;
            bottom: 8px;
            width: 2px;
            background: linear-gradient(180deg, var(--xk-accent), var(--xk-primary));
            border-radius: 4px;
        }

        .timeline-item {
            position: relative;
            padding-bottom: 34px;
        }

        .timeline-item:last-child {
            padding-bottom: 0;
        }

        .timeline-item::before {
            content: "";
            position: absolute;
            left: -37px;
            top: 8px;
            width: 14px;
            height: 14px;
            border-radius: 50%;
            background: var(--xk-white);
            border: 3px solid var(--xk-accent);
            box-shadow: 0 0 0 4px rgba(245, 185, 66, .2);
        }

        .timeline-item .timeline-date {
            font-size: 13px;
            font-weight: 700;
            color: var(--xk-accent);
            background: var(--xk-accent-soft);
            display: inline-block;
            padding: 3px 12px;
            border-radius: 50px;
            margin-bottom: 8px;
        }

        .timeline-item h5 {
            font-size: 18px;
            margin-bottom: 6px;
        }

        .timeline-item p {
            font-size: 14px;
            color: var(--xk-muted);
            margin: 0;
        }

        .data-section {
            background: linear-gradient(135deg, rgba(8, 22, 42, .92), rgba(15, 42, 74, .84)), url('/assets/images/backpic/back-3.png') center/cover no-repeat;
            color: #fff;
        }

        .data-section .section-head h2,
        .data-section .section-head p {
            color: #fff;
        }

        .data-section .section-head .section-tag {
            background: rgba(255, 255, 255, .14);
            color: var(--xk-accent);
        }

        .data-block {
            text-align: center;
            padding: 32px 20px;
            border-radius: var(--xk-radius);
            background: rgba(255, 255, 255, .06);
            border: 1px solid rgba(255, 255, 255, .1);
            transition: all var(--xk-transition);
        }

        .data-block:hover {
            background: rgba(255, 255, 255, .1);
            transform: translateY(-4px);
        }

        .data-block .data-num {
            font-size: clamp(36px, 4vw, 52px);
            font-weight: 800;
            color: var(--xk-accent);
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .data-block .data-label {
            font-size: 15px;
            color: rgba(255, 255, 255, .85);
        }

        .faq-card {
            background: var(--xk-white);
            border: 1px solid var(--xk-border);
            border-radius: var(--xk-radius-sm);
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: 0 2px 12px rgba(15, 42, 74, .04);
        }

        .faq-card .faq-question {
            padding: 20px 24px;
            display: flex;
            justify-content: space-between;
            align-items: center;
            cursor: pointer;
            font-weight: 600;
            color: var(--xk-primary);
            font-size: 16px;
            transition: background var(--xk-transition);
        }

        .faq-card .faq-question:hover {
            background: #f8fafd;
        }

        .faq-card .faq-question i {
            color: var(--xk-accent);
            font-size: 14px;
            margin-left: 12px;
        }

        .faq-card .faq-answer {
            padding: 0 24px 20px;
            color: var(--xk-muted);
            font-size: 14px;
            display: none;
        }

        .faq-card.active .faq-answer {
            display: block;
        }

        .cta-card {
            background: linear-gradient(135deg, var(--xk-primary), #1d4d7a);
            border-radius: calc(var(--xk-radius) + 10px);
            padding: 60px 40px;
            position: relative;
            overflow: hidden;
        }

        .cta-card::before {
            content: "";
            position: absolute;
            right: -60px;
            top: -60px;
            width: 220px;
            height: 220px;
            border-radius: 50%;
            background: rgba(245, 185, 66, .12);
        }

        .cta-card h3 {
            color: #fff;
            font-size: clamp(24px, 3vw, 32px);
            margin-bottom: 10px;
        }

        .cta-card p {
            color: rgba(255, 255, 255, .8);
            margin-bottom: 24px;
            max-width: 540px;
        }

        .site-footer {
            background: var(--xk-primary-deep);
            color: rgba(255, 255, 255, .75);
            padding: 70px 0 0;
            margin-top: 0;
        }

        .site-footer .footer-brand {
            color: #fff;
            font-size: 22px;
            font-weight: 800;
            display: flex;
            align-items: center;
            gap: 12px;
            margin-bottom: 14px;
        }

        .site-footer .footer-brand .brand-star {
            width: 40px;
            height: 40px;
            background: var(--xk-accent);
            border-radius: 12px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: #08162a;
            font-size: 16px;
        }

        .site-footer p {
            font-size: 14px;
            line-height: 1.8;
        }

        .site-footer .footer-social {
            display: flex;
            gap: 10px;
            margin-top: 16px;
        }

        .site-footer .footer-social a {
            width: 38px;
            height: 38px;
            background: rgba(255, 255, 255, .08);
            border-radius: 10px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, .8);
            font-size: 15px;
            transition: all var(--xk-transition);
        }

        .site-footer .footer-social a:hover {
            background: var(--xk-accent);
            color: #08162a;
        }

        .site-footer h5 {
            color: #fff;
            font-size: 16px;
            margin-bottom: 16px;
        }

        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

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

        .site-footer ul a {
            color: rgba(255, 255, 255, .6);
            font-size: 14px;
        }

        .site-footer ul a:hover {
            color: var(--xk-accent);
        }

        .site-footer .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, .08);
            padding: 22px 0;
            margin-top: 48px;
            text-align: center;
        }

        .site-footer .footer-bottom p {
            font-size: 13px;
            margin: 0;
            color: rgba(255, 255, 255, .45);
        }

        .btn:focus,
        .form-control:focus,
        .form-select:focus {
            box-shadow: 0 0 0 4px rgba(245, 185, 66, .2);
        }

        a:focus-visible,
        button:focus-visible {
            outline: 2px solid var(--xk-accent);
            outline-offset: 3px;
        }

        @media (max-width: 992px) {
            .custom-navbar .nav-search-wrap {
                display: none;
            }

            .custom-navbar .nav-search-mobile {
                display: flex;
                margin-bottom: 16px;
            }

            .custom-navbar .navbar-collapse {
                padding: 14px 0;
            }

            .custom-navbar .navbar-nav {
                align-items: stretch;
            }

            .custom-navbar .navbar-nav .nav-link {
                border-radius: 12px;
            }

            .section-pad {
                padding: 68px 0;
            }

            .page-hero {
                padding: 90px 0 72px;
            }

            .info-tags-panel {
                margin-top: -30px;
            }

            .cta-card {
                padding: 40px 24px;
            }
        }

        @media (max-width: 768px) {
            .section-pad {
                padding: 56px 0;
            }

            .page-hero h1 {
                font-size: 32px;
            }

            .page-hero {
                padding: 74px 0 58px;
            }

            .event-main-card img {
                height: 200px;
            }

            .news-card .news-thumb {
                height: 180px;
            }

            .timeline-wrap {
                padding-left: 36px;
            }

            .timeline-item::before {
                left: -30px;
            }
        }

        @media (max-width: 520px) {
            .container {
                padding-left: 16px;
                padding-right: 16px;
            }

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

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

            .page-hero .hero-tags span {
                font-size: 12px;
                padding: 4px 12px;
            }

            .custom-navbar .navbar-brand {
                font-size: 17px;
            }

            .custom-navbar .navbar-brand .brand-star {
                width: 34px;
                height: 34px;
            }

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

            .event-main-card .event-main-body {
                padding: 20px;
            }
        }

/* roulang page: category2 */
:root {
            --primary: #162b4d;
            --primary-light: #24457a;
            --primary-deep: #0e1b30;
            --accent: #f5b942;
            --accent-light: #ffd675;
            --bg: #f4f6fb;
            --bg-alt: #0e1b30;
            --text: #1e2a3a;
            --text-muted: #5d6b85;
            --border: #dfe6f1;
            --radius: 14px;
            --radius-lg: 20px;
            --shadow: 0 12px 34px rgba(16, 32, 64, 0.09);
            --shadow-sm: 0 4px 14px rgba(16, 32, 64, 0.06);
            --transition: all 0.3s ease;
        }

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

        html {
            scroll-behavior: smooth;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Hiragino Sans GB", "Noto Sans SC", system-ui, -apple-system, sans-serif;
            background: var(--bg);
            color: var(--text);
            line-height: 1.7;
            margin: 0;
            -webkit-font-smoothing: antialiased;
        }

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

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

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

        button,
        input {
            font-family: inherit;
        }

        .container {
            max-width: 1200px;
        }

        .section {
            padding: 92px 0;
        }

        .section-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(245, 185, 66, 0.12);
            color: #b27d12;
            font-size: 13px;
            font-weight: 600;
            letter-spacing: 2px;
            padding: 6px 16px;
            border-radius: 999px;
            margin-bottom: 18px;
        }

        .section-tag::before {
            content: "";
            width: 6px;
            height: 6px;
            background: var(--accent);
            border-radius: 50%;
            display: inline-block;
        }

        .section-head {
            text-align: center;
            max-width: 720px;
            margin: 0 auto 52px;
        }

        .section-head h2 {
            font-size: 36px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.3;
            margin-bottom: 14px;
        }

        .section-head p {
            color: var(--text-muted);
            font-size: 16px;
            line-height: 1.8;
        }

        /* ===== 导航 ===== */
        .custom-navbar {
            background: rgba(14, 27, 48, 0.95);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
            padding: 14px 0;
            box-shadow: 0 4px 24px rgba(0, 0, 0, 0.18);
        }

        .custom-navbar .navbar-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 21px;
            font-weight: 800;
            color: #ffffff;
            letter-spacing: 1px;
            flex-shrink: 0;
        }

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

        .custom-navbar .brand-star {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 36px;
            height: 36px;
            background: linear-gradient(135deg, var(--accent), #e0962a);
            color: #1a1a2e;
            font-size: 16px;
            border-radius: 10px;
            box-shadow: 0 4px 12px rgba(245, 185, 66, 0.35);
        }

        .nav-search-wrap {
            flex: 1;
            max-width: 440px;
            margin: 0 auto;
            padding: 0 28px;
        }

        .nav-search {
            display: flex;
            align-items: center;
            background: rgba(255, 255, 255, 0.1);
            border: 1px solid rgba(255, 255, 255, 0.16);
            border-radius: 999px;
            padding: 7px 8px 7px 18px;
            transition: var(--transition);
        }

        .nav-search:focus-within {
            background: rgba(255, 255, 255, 0.16);
            border-color: var(--accent);
            box-shadow: 0 0 0 3px rgba(245, 185, 66, 0.18);
        }

        .nav-search .search-icon {
            color: rgba(255, 255, 255, 0.7);
            font-size: 14px;
        }

        .nav-search input {
            flex: 1;
            background: transparent;
            border: none;
            outline: none;
            color: #fff;
            font-size: 14px;
            padding: 4px 10px;
            min-width: 0;
        }

        .nav-search input::placeholder {
            color: rgba(255, 255, 255, 0.5);
        }

        .nav-search button {
            width: 34px;
            height: 34px;
            border: none;
            border-radius: 50%;
            background: var(--accent);
            color: #1a1a2e;
            font-size: 13px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            cursor: pointer;
            transition: var(--transition);
            flex-shrink: 0;
        }

        .nav-search button:hover {
            background: var(--accent-light);
            transform: scale(1.06);
        }

        .nav-search-mobile {
            display: none;
        }

        .custom-navbar .navbar-nav {
            gap: 6px;
        }

        .custom-navbar .nav-link {
            color: rgba(255, 255, 255, 0.82);
            font-size: 15px;
            font-weight: 500;
            padding: 8px 16px;
            border-radius: 999px;
            transition: var(--transition);
        }

        .custom-navbar .nav-link:hover {
            color: #fff;
            background: rgba(255, 255, 255, 0.08);
        }

        .custom-navbar .nav-link.active {
            color: #1a1a2e;
            background: var(--accent);
            font-weight: 700;
            box-shadow: 0 4px 14px rgba(245, 185, 66, 0.3);
        }

        .custom-navbar .navbar-toggler {
            border-color: rgba(255, 255, 255, 0.25);
            padding: 6px 10px;
            border-radius: 10px;
        }

        .custom-navbar .navbar-toggler:focus {
            box-shadow: 0 0 0 3px rgba(245, 185, 66, 0.3);
        }

        .custom-navbar .navbar-toggler-icon {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 30 30'%3e%3cpath stroke='rgba(255,255,255,0.85)' stroke-linecap='round' stroke-miterlimit='10' stroke-width='2' d='M4 8h22M4 15h22M4 22h22'/%3e%3c/svg%3e");
        }

        /* ===== Banner ===== */
        .category-banner {
            position: relative;
            background-image: url('/assets/images/backpic/back-2.png');
            background-size: cover;
            background-position: center;
            padding: 130px 0 110px;
            isolation: isolate;
        }

        .category-banner::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(90deg, rgba(10, 20, 40, 0.92) 0%, rgba(10, 20, 40, 0.72) 45%, rgba(14, 27, 48, 0.45) 100%);
            z-index: -1;
        }

        .category-banner .banner-tag {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(245, 185, 66, 0.15);
            color: var(--accent-light);
            border: 1px solid rgba(245, 185, 66, 0.35);
            font-size: 14px;
            font-weight: 600;
            padding: 7px 18px;
            border-radius: 999px;
            margin-bottom: 24px;
            letter-spacing: 1px;
        }

        .category-banner h1 {
            font-size: 48px;
            font-weight: 800;
            color: #fff;
            line-height: 1.25;
            margin-bottom: 18px;
            letter-spacing: 2px;
        }

        .category-banner .banner-desc {
            font-size: 17px;
            color: rgba(255, 255, 255, 0.85);
            max-width: 560px;
            line-height: 1.9;
            margin-bottom: 34px;
        }

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

        .btn {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 15px;
            font-weight: 600;
            padding: 12px 26px;
            border-radius: 999px;
            border: none;
            transition: var(--transition);
            cursor: pointer;
        }

        .btn-accent {
            background: var(--accent);
            color: #1a1a2e;
            box-shadow: 0 4px 18px rgba(245, 185, 66, 0.3);
        }

        .btn-accent:hover {
            background: var(--accent-light);
            color: #1a1a2e;
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(245, 185, 66, 0.4);
        }

        .btn-outline-light {
            background: transparent;
            color: #fff;
            border: 1.5px solid rgba(255, 255, 255, 0.5);
        }

        .btn-outline-light:hover {
            background: rgba(255, 255, 255, 0.1);
            color: #fff;
            border-color: #fff;
            transform: translateY(-2px);
        }

        /* ===== 核心说明 ===== */
        .intro-media {
            position: relative;
            border-radius: var(--radius-lg);
            overflow: hidden;
            box-shadow: var(--shadow);
        }

        .intro-media img {
            width: 100%;
            height: 400px;
            object-fit: cover;
        }

        .intro-media .media-badge {
            position: absolute;
            bottom: 18px;
            left: 18px;
            background: rgba(14, 27, 48, 0.82);
            backdrop-filter: blur(10px);
            color: #fff;
            font-size: 14px;
            font-weight: 600;
            padding: 10px 18px;
            border-radius: 999px;
            border: 1px solid rgba(255, 255, 255, 0.15);
        }

        .intro-list {
            list-style: none;
            padding: 0;
            margin: 26px 0 0;
        }

        .intro-list li {
            display: flex;
            gap: 14px;
            align-items: flex-start;
            padding: 14px 0;
            border-bottom: 1px solid var(--border);
            font-size: 15px;
            line-height: 1.7;
        }

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

        .intro-list li i {
            color: var(--accent);
            background: rgba(245, 185, 66, 0.12);
            width: 30px;
            height: 30px;
            border-radius: 8px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 13px;
            margin-top: 3px;
            flex-shrink: 0;
        }

        .intro-list strong {
            color: var(--primary);
            display: block;
            font-size: 16px;
            margin-bottom: 4px;
        }

        /* ===== 器材 ===== */
        .section-equipment {
            background: #fff;
        }

        .equip-card {
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 34px 28px;
            height: 100%;
            transition: var(--transition);
        }

        .equip-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow);
            border-color: rgba(245, 185, 66, 0.4);
            background: #fff;
        }

        .equip-card .icon-wrap {
            width: 54px;
            height: 54px;
            border-radius: 14px;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            font-size: 20px;
            margin-bottom: 20px;
            box-shadow: 0 6px 16px rgba(36, 69, 122, 0.3);
        }

        .equip-card h3 {
            font-size: 18px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
        }

        .equip-card p {
            font-size: 14px;
            color: var(--text-muted);
            line-height: 1.8;
            margin: 0;
        }

        /* ===== 主题卡片 ===== */
        .section-topics {
            background: var(--bg);
        }

        .topic-card {
            position: relative;
            border-radius: var(--radius);
            overflow: hidden;
            height: 300px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            display: block;
        }

        .topic-card:hover {
            transform: translateY(-8px);
            box-shadow: var(--shadow);
        }

        .topic-card img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            transition: transform 0.6s ease;
        }

        .topic-card:hover img {
            transform: scale(1.06);
        }

        .topic-card .topic-overlay {
            position: absolute;
            inset: 0;
            background: linear-gradient(180deg, rgba(14, 27, 48, 0) 40%, rgba(14, 27, 48, 0.88) 100%);
            display: flex;
            flex-direction: column;
            justify-content: flex-end;
            padding: 26px 24px;
            color: #fff;
        }

        .topic-card .topic-tag {
            display: inline-block;
            background: rgba(245, 185, 66, 0.9);
            color: #1a1a2e;
            font-size: 12px;
            font-weight: 700;
            letter-spacing: 1px;
            padding: 4px 12px;
            border-radius: 999px;
            margin-bottom: 12px;
            width: fit-content;
        }

        .topic-card h3 {
            font-size: 20px;
            font-weight: 700;
            margin-bottom: 8px;
        }

        .topic-card p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.85);
            line-height: 1.7;
            margin: 0;
        }

        /* ===== 流程 ===== */
        .section-steps {
            background: var(--bg-alt);
            color: #fff;
        }

        .section-steps .section-tag {
            background: rgba(245, 185, 66, 0.2);
            color: var(--accent-light);
        }

        .section-steps .section-head h2 {
            color: #fff;
        }

        .section-steps .section-head p {
            color: rgba(255, 255, 255, 0.65);
        }

        .step-item {
            background: rgba(255, 255, 255, 0.05);
            border: 1px solid rgba(255, 255, 255, 0.1);
            border-radius: var(--radius);
            padding: 32px 28px;
            height: 100%;
            position: relative;
            transition: var(--transition);
        }

        .step-item:hover {
            background: rgba(255, 255, 255, 0.08);
            transform: translateY(-6px);
            border-color: rgba(245, 185, 66, 0.3);
        }

        .step-num {
            font-size: 44px;
            font-weight: 800;
            color: transparent;
            -webkit-text-stroke: 1.5px var(--accent);
            line-height: 1;
            margin-bottom: 18px;
        }

        .step-item h3 {
            font-size: 18px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 10px;
        }

        .step-item p {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            line-height: 1.8;
            margin: 0;
        }

        /* ===== 教程 ===== */
        .section-tutorials {
            background: #fff;
        }

        .tutorial-list {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 20px;
        }

        .tutorial-item {
            display: flex;
            gap: 22px;
            align-items: center;
            background: var(--bg);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 22px 26px;
            transition: var(--transition);
        }

        .tutorial-item:hover {
            box-shadow: var(--shadow);
            transform: translateX(6px);
            border-color: rgba(245, 185, 66, 0.4);
            background: #fff;
        }

        .tutorial-item .num {
            font-size: 28px;
            font-weight: 800;
            color: rgba(245, 185, 66, 0.5);
            flex-shrink: 0;
            width: 44px;
            text-align: center;
        }

        .tutorial-item .content {
            flex: 1;
        }

        .tutorial-item h3 {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 6px;
        }

        .tutorial-item p {
            font-size: 14px;
            color: var(--text-muted);
            margin: 0;
            line-height: 1.7;
        }

        .tutorial-item .arrow {
            width: 38px;
            height: 38px;
            border-radius: 50%;
            background: #fff;
            border: 1px solid var(--border);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: var(--primary);
            font-size: 14px;
            flex-shrink: 0;
            transition: var(--transition);
        }

        .tutorial-item:hover .arrow {
            background: var(--accent);
            color: #1a1a2e;
            border-color: var(--accent);
        }

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

        .faq-title-block {
            position: sticky;
            top: 100px;
        }

        .faq-title-block h2 {
            font-size: 34px;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.3;
            margin-bottom: 16px;
        }

        .faq-title-block p {
            color: var(--text-muted);
            font-size: 15px;
            line-height: 1.8;
        }

        .custom-accordion .accordion-item {
            background: #fff;
            border: 1px solid var(--border);
            border-radius: var(--radius) !important;
            margin-bottom: 14px;
            overflow: hidden;
            box-shadow: var(--shadow-sm);
        }

        .custom-accordion .accordion-button {
            font-size: 16px;
            font-weight: 600;
            color: var(--primary);
            background: #fff;
            padding: 20px 24px;
            box-shadow: none;
        }

        .custom-accordion .accordion-button:not(.collapsed) {
            color: var(--primary);
            background: #fdf8ec;
        }

        .custom-accordion .accordion-button:focus {
            box-shadow: 0 0 0 3px rgba(245, 185, 66, 0.25);
        }

        .custom-accordion .accordion-button::after {
            background-image: url("data:image/svg+xml,%3csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%23f5b942'%3e%3cpath fill-rule='evenodd' d='M1.646 4.646a.5.5 0 0 1 .708 0L8 10.293l5.646-5.647a.5.5 0 0 1 .708.708l-6 6a.5.5 0 0 1-.708 0l-6-6a.5.5 0 0 1 0-.708z'/%3e%3c/svg%3e");
        }

        .custom-accordion .accordion-body {
            padding: 0 24px 20px;
            color: var(--text-muted);
            font-size: 14px;
            line-height: 1.85;
            border-top: 1px solid var(--border);
            padding-top: 18px;
        }

        /* ===== CTA ===== */
        .cta-section {
            background-image: url('/assets/images/backpic/back-3.png');
            background-size: cover;
            background-position: center;
            background-attachment: fixed;
            position: relative;
            padding: 90px 0;
            isolation: isolate;
        }

        .cta-section::before {
            content: "";
            position: absolute;
            inset: 0;
            background: linear-gradient(120deg, rgba(14, 27, 48, 0.94), rgba(22, 43, 77, 0.78));
            z-index: -1;
        }

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

        .cta-content h2 {
            font-size: 36px;
            font-weight: 800;
            margin-bottom: 16px;
            letter-spacing: 1px;
        }

        .cta-content p {
            font-size: 16px;
            color: rgba(255, 255, 255, 0.8);
            line-height: 1.9;
            margin-bottom: 32px;
        }

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

        .cta-note {
            display: block;
            margin-top: 16px;
            font-size: 13px;
            color: rgba(255, 255, 255, 0.5);
        }

        /* ===== 页脚 ===== */
        .site-footer {
            background: #0c1830;
            color: rgba(255, 255, 255, 0.7);
            padding: 70px 0 26px;
            font-size: 14px;
        }

        .site-footer h5 {
            color: #fff;
            font-size: 16px;
            font-weight: 600;
            margin-bottom: 18px;
            letter-spacing: 1px;
        }

        .site-footer ul {
            list-style: none;
            padding: 0;
            margin: 0;
        }

        .site-footer ul li {
            margin-bottom: 11px;
        }

        .site-footer a {
            color: rgba(255, 255, 255, 0.65);
            transition: var(--transition);
        }

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

        .footer-brand {
            display: flex;
            align-items: center;
            gap: 10px;
            font-size: 22px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 16px;
        }

        .footer-brand .brand-star {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 38px;
            height: 38px;
            background: linear-gradient(135deg, var(--accent), #e0962a);
            color: #1a1a2e;
            border-radius: 10px;
            font-size: 17px;
        }

        .footer-main p {
            line-height: 1.8;
            margin-bottom: 20px;
            max-width: 300px;
        }

        .footer-social {
            display: flex;
            gap: 10px;
        }

        .footer-social a {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: rgba(255, 255, 255, 0.08);
            display: inline-flex;
            align-items: center;
            justify-content: center;
            color: rgba(255, 255, 255, 0.7);
            font-size: 15px;
            transition: var(--transition);
        }

        .footer-social a:hover {
            background: var(--accent);
            color: #1a1a2e;
            transform: translateY(-3px);
            padding-left: 0;
        }

        .footer-bottom {
            border-top: 1px solid rgba(255, 255, 255, 0.1);
            padding-top: 22px;
            margin-top: 46px;
            text-align: center;
            color: rgba(255, 255, 255, 0.45);
            font-size: 13px;
        }

        .footer-bottom p {
            margin: 0;
        }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .section {
                padding: 72px 0;
            }

            .category-banner {
                padding: 110px 0 90px;
            }

            .category-banner h1 {
                font-size: 40px;
            }
        }

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

            .nav-search-mobile {
                display: flex;
                margin: 14px 4px 8px;
            }

            .custom-navbar .navbar-collapse {
                background: rgba(14, 27, 48, 0.97);
                border-radius: 14px;
                padding: 16px;
                margin-top: 14px;
                border: 1px solid rgba(255, 255, 255, 0.1);
            }

            .custom-navbar .navbar-nav {
                gap: 2px;
                width: 100%;
            }

            .custom-navbar .nav-link {
                padding: 10px 16px;
                border-radius: 10px;
            }

            .faq-title-block {
                position: static;
                margin-bottom: 36px;
            }

            .cta-section {
                background-attachment: scroll;
            }
        }

        @media (max-width: 768px) {
            .section {
                padding: 58px 0;
            }

            .section-head h2 {
                font-size: 28px;
            }

            .section-head {
                margin-bottom: 38px;
            }

            .category-banner {
                padding: 90px 0 70px;
            }

            .category-banner h1 {
                font-size: 32px;
            }

            .category-banner .banner-desc {
                font-size: 15px;
            }

            .equip-card {
                padding: 26px 22px;
            }

            .topic-card {
                height: 260px;
            }

            .step-item {
                padding: 26px 22px;
            }

            .tutorial-item {
                flex-wrap: wrap;
                padding: 20px;
                gap: 14px;
            }

            .tutorial-item .num {
                width: 32px;
                font-size: 22px;
            }

            .cta-content h2 {
                font-size: 28px;
            }

            .intro-media img {
                height: 300px;
            }
        }

        @media (max-width: 520px) {
            .section-head h2 {
                font-size: 24px;
            }

            .category-banner h1 {
                font-size: 27px;
            }

            .category-banner .banner-desc {
                font-size: 14px;
            }

            .banner-actions .btn {
                padding: 10px 20px;
                font-size: 14px;
                width: 100%;
                justify-content: center;
            }

            .equip-card {
                padding: 22px 18px;
            }

            .topic-card {
                height: 230px;
            }

            .footer-main {
                padding: 0 6px;
            }

            .cta-content h2 {
                font-size: 23px;
            }

            .tutorial-item h3 {
                font-size: 15px;
            }
        }