/* roulang page: index */
:root {
    --primary: #1a2b4a;
    --primary-dark: #0d1832;
    --primary-light: #2c4370;
    --accent: #c9a96e;
    --accent-light: #e0c896;
    --accent-dark: #b08d4f;
    --bg: #f5f4f1;
    --bg-dark: #0d1832;
    --card-bg: #ffffff;
    --text: #1a1a2e;
    --text-light: #6b7280;
    --border: #e5e1db;
    --radius: 16px;
    --radius-sm: 10px;
    --radius-lg: 24px;
    --shadow-sm: 0 2px 12px rgba(13, 24, 50, 0.06);
    --shadow: 0 8px 30px rgba(13, 24, 50, 0.08);
    --shadow-lg: 0 16px 48px rgba(13, 24, 50, 0.14);
    --font: "PingFang SC", "Microsoft YaHei", "Helvetica Neue", Arial, sans-serif;
    --space: 110px;
    --space-sm: 70px;
}
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: var(--font);
    font-size: 16px;
    line-height: 1.7;
    color: var(--text);
    background: var(--bg);
    -webkit-font-smoothing: antialiased;
}
a {
    color: inherit;
    text-decoration: none;
    transition: color 0.3s ease;
}
img {
    max-width: 100%;
    display: block;
}
button,
input,
textarea {
    font-family: inherit;
    font-size: inherit;
    border: none;
    outline: none;
}
ul,
ol {
    list-style: none;
}
.container {
    width: 100%;
    max-width: 1240px;
    margin: 0 auto;
    padding: 0 24px;
}
section {
    padding: var(--space) 0;
    position: relative;
}
.section-header {
    text-align: center;
    max-width: 640px;
    margin: 0 auto 56px;
}
.section-tag {
    display: inline-block;
    background: rgba(201, 169, 110, 0.15);
    color: var(--accent-dark);
    font-size: 14px;
    font-weight: 600;
    padding: 6px 18px;
    border-radius: 100px;
    letter-spacing: 1px;
    margin-bottom: 18px;
}
.section-title {
    font-size: 38px;
    font-weight: 700;
    line-height: 1.3;
    color: var(--primary-dark);
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}
.section-desc {
    font-size: 16px;
    color: var(--text-light);
    line-height: 1.8;
}
/* ===== 按钮 ===== */
.btn {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    gap: 10px;
    padding: 14px 34px;
    border-radius: 50px;
    font-size: 15px;
    font-weight: 600;
    text-decoration: none;
    transition: all 0.3s ease;
    border: 2px solid transparent;
    cursor: pointer;
    white-space: nowrap;
}
.btn-primary {
    background: var(--primary);
    color: #fff;
}
.btn-primary:hover {
    background: var(--primary-light);
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(26, 43, 74, 0.3);
}
.btn-gold {
    background: var(--accent);
    color: var(--primary-dark);
}
.btn-gold:hover {
    background: var(--accent-light);
    transform: translateY(-2px);
    box-shadow: 0 10px 28px rgba(201, 169, 110, 0.35);
}
.btn-outline-light {
    border-color: rgba(255, 255, 255, 0.7);
    color: #fff;
}
.btn-outline-light:hover {
    background: rgba(255, 255, 255, 0.12);
    border-color: #fff;
    transform: translateY(-2px);
}
/* ===== 导航 ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 1000;
    background: rgba(255, 255, 255, 0.92);
    backdrop-filter: blur(20px);
    -webkit-backdrop-filter: blur(20px);
    border-bottom: 1px solid var(--border);
}
.header-inner {
    display: flex;
    align-items: center;
    justify-content: space-between;
    height: 72px;
    gap: 32px;
}
.logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 22px;
    font-weight: 800;
    color: var(--primary-dark);
    letter-spacing: -0.5px;
    flex-shrink: 0;
}
.logo-icon {
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    border-radius: 10px;
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 16px;
}
.main-nav {
    display: flex;
    align-items: center;
    gap: 8px;
    margin: 0 auto;
}
.nav-item {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 22px;
    border-radius: 100px;
    font-size: 15px;
    font-weight: 500;
    color: var(--text-light);
    transition: all 0.3s ease;
    position: relative;
    white-space: nowrap;
}
.nav-item:hover {
    color: var(--primary);
    background: rgba(26, 43, 74, 0.06);
}
.nav-item.active {
    background: var(--primary);
    color: #fff;
    box-shadow: 0 4px 16px rgba(26, 43, 74, 0.24);
}
.nav-item.active i {
    color: var(--accent-light);
}
.header-cta {
    display: flex;
    align-items: center;
    gap: 14px;
    flex-shrink: 0;
}
.header-cta .btn {
    padding: 10px 26px;
    font-size: 14px;
}
.mobile-toggle {
    display: none;
    flex-direction: column;
    gap: 5px;
    background: none;
    cursor: pointer;
    padding: 8px;
}
.mobile-toggle span {
    width: 24px;
    height: 2px;
    background: var(--primary-dark);
    border-radius: 2px;
    transition: all 0.3s ease;
}
/* ===== Hero ===== */
.hero {
    background: linear-gradient(rgba(13, 24, 50, 0.86), rgba(26, 43, 74, 0.72)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
    padding: 120px 0 100px;
    color: #fff;
    position: relative;
    overflow: hidden;
}
.hero::after {
    content: '';
    position: absolute;
    bottom: -2px;
    left: 0;
    right: 0;
    height: 80px;
    background: linear-gradient(transparent, var(--bg));
    pointer-events: none;
}
.hero-inner {
    display: grid;
    grid-template-columns: 1.15fr 0.85fr;
    gap: 60px;
    align-items: center;
}
.hero-content {
    max-width: 600px;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(201, 169, 110, 0.2);
    border: 1px solid rgba(201, 169, 110, 0.4);
    color: var(--accent-light);
    font-size: 13px;
    font-weight: 600;
    padding: 7px 18px;
    border-radius: 100px;
    letter-spacing: 1px;
    margin-bottom: 26px;
}
.hero-badge i {
    font-size: 14px;
}
.hero h1 {
    font-size: 52px;
    font-weight: 800;
    line-height: 1.2;
    letter-spacing: -1px;
    margin-bottom: 20px;
    background: linear-gradient(135deg, #fff, rgba(255, 255, 255, 0.85));
    -webkit-background-clip: text;
    -webkit-text-fill-color: transparent;
    background-clip: text;
}
.hero-subtitle {
    font-size: 18px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.82);
    margin-bottom: 36px;
    max-width: 520px;
}
.hero-actions {
    display: flex;
    flex-wrap: wrap;
    gap: 16px;
}
.hero-card {
    background: rgba(255, 255, 255, 0.1);
    border: 1px solid rgba(255, 255, 255, 0.16);
    border-radius: var(--radius-lg);
    padding: 36px 32px;
    backdrop-filter: blur(12px);
    -webkit-backdrop-filter: blur(12px);
    box-shadow: 0 20px 60px rgba(0, 0, 0, 0.2);
}
.hero-card-title {
    font-size: 16px;
    font-weight: 700;
    color: #fff;
    margin-bottom: 24px;
    display: flex;
    align-items: center;
    gap: 10px;
}
.hero-card-title i {
    color: var(--accent);
}
.hero-card-list {
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.hero-card-item {
    display: flex;
    align-items: center;
    gap: 12px;
    font-size: 14px;
    color: rgba(255, 255, 255, 0.85);
    padding-bottom: 14px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.hero-card-item:last-child {
    border-bottom: none;
    padding-bottom: 0;
}
.hero-card-item .status-dot {
    width: 10px;
    height: 10px;
    border-radius: 50%;
    flex-shrink: 0;
    background: #4ade80;
    box-shadow: 0 0 12px rgba(74, 222, 128, 0.6);
}
.hero-card-item .status-dot.blue {
    background: #60a5fa;
    box-shadow: 0 0 12px rgba(96, 165, 250, 0.6);
}
.hero-card-item .status-dot.gold {
    background: var(--accent);
    box-shadow: 0 0 12px rgba(201, 169, 110, 0.6);
}
.hero-card-item span {
    flex: 1;
}
.hero-card-item strong {
    color: #fff;
    font-weight: 600;
}
/* ===== 数据统计 ===== */
.stats-section {
    padding: 80px 0 20px;
    margin-top: -40px;
    background: transparent;
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 24px;
}
.stat-card {
    background: var(--card-bg);
    border-radius: var(--radius);
    padding: 32px 28px;
    text-align: center;
    box-shadow: var(--shadow);
    border: 1px solid rgba(255, 255, 255, 0.8);
    transition: all 0.35s ease;
    position: relative;
    overflow: hidden;
}
.stat-card::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    height: 3px;
    background: linear-gradient(90deg, var(--accent), var(--accent-light));
    opacity: 0;
    transition: opacity 0.3s ease;
}
.stat-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
}
.stat-card:hover::before {
    opacity: 1;
}
.stat-icon {
    width: 52px;
    height: 52px;
    border-radius: 14px;
    background: rgba(26, 43, 74, 0.06);
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 16px;
    color: var(--primary);
    font-size: 22px;
}
.stat-number {
    font-size: 34px;
    font-weight: 800;
    color: var(--primary-dark);
    line-height: 1.2;
    margin-bottom: 6px;
}
.stat-number small {
    font-size: 16px;
    font-weight: 600;
    color: var(--accent);
}
.stat-label {
    font-size: 14px;
    color: var(--text-light);
}
/* ===== 核心服务 ===== */
.features-section {
    background: var(--card-bg);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.features-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 28px;
}
.feature-card {
    background: var(--bg);
    border-radius: var(--radius);
    padding: 40px 32px;
    transition: all 0.35s ease;
    border: 1px solid var(--border);
    position: relative;
    overflow: hidden;
}
.feature-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
    background: var(--card-bg);
}
.feature-card::after {
    content: '';
    position: absolute;
    top: -1px;
    left: -1px;
    right: -1px;
    height: 4px;
    background: linear-gradient(90deg, var(--accent), var(--primary));
    opacity: 0;
    transition: opacity 0.3s ease;
}
.feature-card:hover::after {
    opacity: 1;
}
.feature-icon {
    width: 64px;
    height: 64px;
    border-radius: 18px;
    background: linear-gradient(135deg, var(--primary), var(--primary-light));
    display: flex;
    align-items: center;
    justify-content: center;
    color: #fff;
    font-size: 26px;
    margin-bottom: 24px;
    box-shadow: 0 8px 24px rgba(26, 43, 74, 0.25);
}
.feature-title {
    font-size: 20px;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 12px;
}
.feature-text {
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.75;
}
/* ===== 分类入口 ===== */
.categories-section {
    background: var(--bg);
}
.categories-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 32px;
}
.category-card {
    display: flex;
    background: var(--card-bg);
    border-radius: var(--radius-lg);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: all 0.4s ease;
    border: 1px solid var(--border);
}
.category-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}
.category-card-img {
    width: 40%;
    min-height: 280px;
    object-fit: cover;
    flex-shrink: 0;
    transition: transform 0.5s ease;
}
.category-card:hover .category-card-img {
    transform: scale(1.05);
}
.category-card-content {
    flex: 1;
    padding: 36px 32px;
    display: flex;
    flex-direction: column;
}
.category-card .badge {
    align-self: flex-start;
    background: rgba(201, 169, 110, 0.16);
    color: var(--accent-dark);
    font-size: 12px;
    padding: 5px 14px;
    border-radius: 100px;
    font-weight: 600;
    margin-bottom: 14px;
    letter-spacing: 0.5px;
}
.category-card-title {
    font-size: 24px;
    font-weight: 700;
    color: var(--primary-dark);
    margin-bottom: 14px;
}
.category-card-desc {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.75;
    flex: 1;
}
.category-card-link {
    margin-top: 20px;
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: gap 0.3s ease;
}
.category-card-link:hover {
    gap: 14px;
    color: var(--accent-dark);
}
/* ===== 资讯列表 ===== */
.news-section {
    background: var(--card-bg);
    border-top: 1px solid var(--border);
    border-bottom: 1px solid var(--border);
}
.news-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 28px;
}
.news-item {
    background: var(--bg);
    border-radius: var(--radius);
    overflow: hidden;
    transition: all 0.35s ease;
    display: flex;
    flex-direction: column;
    border: 1px solid var(--border);
    height: 100%;
}
.news-item:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-lg);
    border-color: transparent;
}
.news-cover {
    position: relative;
    overflow: hidden;
    height: 220px;
}
.news-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform 0.5s ease;
}
.news-item:hover .news-cover img {
    transform: scale(1.06);
}
.news-cover::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(to top, rgba(13, 24, 50, 0.3), transparent);
}
.news-body {
    padding: 26px 26px 24px;
    display: flex;
    flex-direction: column;
    flex: 1;
}
.news-meta {
    display: flex;
    align-items: center;
    gap: 14px;
    margin-bottom: 16px;
    flex-wrap: wrap;
}
.badge {
    display: inline-block;
    background: rgba(26, 43, 74, 0.08);
    color: var(--primary);
    font-size: 12px;
    font-weight: 700;
    padding: 4px 14px;
    border-radius: 100px;
    letter-spacing: 0.5px;
}
.news-date {
    font-size: 13px;
    color: var(--text-light);
    display: flex;
    align-items: center;
    gap: 6px;
}
.news-title {
    font-size: 19px;
    font-weight: 700;
    color: var(--primary-dark);
    line-height: 1.45;
    margin-bottom: 12px;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.news-desc {
    font-size: 14px;
    color: var(--text-light);
    line-height: 1.7;
    margin-bottom: 18px;
    flex: 1;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
}
.news-link {
    font-size: 14px;
    font-weight: 600;
    color: var(--primary);
    display: inline-flex;
    align-items: center;
    gap: 8px;
    transition: gap 0.3s ease;
    margin-top: auto;
}
.news-link:hover {
    gap: 14px;
    color: var(--accent-dark);
}
.empty-tip {
    grid-column: 1 / -1;
    text-align: center;
    padding: 80px 20px;
    background: var(--bg);
    border-radius: var(--radius);
    border: 1px dashed var(--border);
}
.empty-tip i {
    font-size: 40px;
    color: var(--text-light);
    margin-bottom: 16px;
    opacity: 0.5;
}
.empty-tip p {
    font-size: 16px;
    color: var(--text-light);
}
/* ===== 流程 ===== */
.process-section {
    background: var(--bg-dark);
    color: #fff;
}
.process-section .section-title {
    color: #fff;
}
.process-section .section-desc {
    color: rgba(255, 255, 255, 0.6);
}
.process-grid {
    display: grid;
    grid-template-columns: repeat(4, 1fr);
    gap: 28px;
    margin-top: 20px;
}
.process-step {
    text-align: center;
    padding: 40px 24px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius);
    transition: all 0.4s ease;
    position: relative;
}
.process-step:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-6px);
    border-color: rgba(201, 169, 110, 0.4);
}
.step-num {
    width: 56px;
    height: 56px;
    border-radius: 50%;
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    color: var(--primary-dark);
    font-size: 22px;
    font-weight: 800;
    display: flex;
    align-items: center;
    justify-content: center;
    margin: 0 auto 22px;
    box-shadow: 0 8px 28px rgba(201, 169, 110, 0.35);
}
.step-title {
    font-size: 18px;
    font-weight: 700;
    margin-bottom: 10px;
    color: #fff;
}
.step-text {
    font-size: 14px;
    line-height: 1.7;
    color: rgba(255, 255, 255, 0.6);
}
/* ===== FAQ ===== */
.faq-section {
    background: var(--bg);
}
.faq-list {
    max-width: 860px;
    margin: 0 auto;
    display: flex;
    flex-direction: column;
    gap: 16px;
}
.faq-item {
    background: var(--card-bg);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    overflow: hidden;
    transition: all 0.35s ease;
    box-shadow: var(--shadow-sm);
}
.faq-item:hover {
    box-shadow: var(--shadow);
    border-color: rgba(26, 43, 74, 0.15);
}
.faq-item details {
    padding: 0;
}
.faq-item summary {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 20px;
    cursor: pointer;
    padding: 24px 28px;
    font-size: 16px;
    font-weight: 600;
    color: var(--primary-dark);
    list-style: none;
    position: relative;
    user-select: none;
}
.faq-item summary::-webkit-details-marker {
    display: none;
}
.faq-item summary .faq-icon {
    width: 32px;
    height: 32px;
    border-radius: 50%;
    background: rgba(26, 43, 74, 0.08);
    display: flex;
    align-items: center;
    justify-content: center;
    font-size: 14px;
    color: var(--primary);
    transition: all 0.35s ease;
    flex-shrink: 0;
}
.faq-item[open] summary {
    border-bottom: 1px solid var(--border);
}
.faq-item[open] summary .faq-icon {
    background: var(--primary);
    color: #fff;
    transform: rotate(45deg);
}
.faq-answer {
    padding: 20px 28px 24px;
    font-size: 15px;
    color: var(--text-light);
    line-height: 1.8;
}
/* ===== CTA ===== */
.cta-section {
    padding: 0 0 var(--space);
    background: var(--bg);
}
.cta-box {
    background: linear-gradient(135deg, var(--primary-dark), var(--primary-light)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
    border-radius: var(--radius-lg);
    padding: 70px 60px;
    text-align: center;
    color: #fff;
    position: relative;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
}
.cta-box::before {
    content: '';
    position: absolute;
    top: 0;
    left: 0;
    right: 0;
    bottom: 0;
    background: linear-gradient(135deg, rgba(13, 24, 50, 0.85), rgba(26, 43, 74, 0.65));
    pointer-events: none;
}
.cta-box > * {
    position: relative;
    z-index: 1;
}
.cta-title {
    font-size: 36px;
    font-weight: 800;
    margin-bottom: 16px;
    letter-spacing: -0.5px;
}
.cta-desc {
    font-size: 16px;
    color: rgba(255, 255, 255, 0.8);
    margin-bottom: 36px;
    max-width: 600px;
    margin-left: auto;
    margin-right: auto;
}
.cta-actions {
    display: flex;
    gap: 16px;
    justify-content: center;
    flex-wrap: wrap;
}
/* ===== 页脚 ===== */
.site-footer {
    background: var(--bg-dark);
    color: #fff;
    padding: 70px 0 0;
}
.footer-top {
    display: grid;
    grid-template-columns: 1.4fr 1fr 1fr;
    gap: 50px;
    padding-bottom: 50px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.1);
}
.footer-brand .logo {
    color: #fff;
    margin-bottom: 18px;
}
.footer-brand .logo-icon {
    background: linear-gradient(135deg, var(--accent), var(--accent-light));
    color: var(--primary-dark);
}
.footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    color: rgba(255, 255, 255, 0.6);
    max-width: 360px;
}
.footer-col-title {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 22px;
    color: #fff;
    position: relative;
    padding-bottom: 12px;
}
.footer-col-title::after {
    content: '';
    position: absolute;
    left: 0;
    bottom: 0;
    width: 30px;
    height: 2px;
    background: var(--accent);
    border-radius: 2px;
}
.footer-links {
    display: flex;
    flex-direction: column;
    gap: 12px;
}
.footer-links a {
    font-size: 14px;
    color: rgba(255, 255, 255, 0.6);
    transition: all 0.3s ease;
    display: inline-flex;
    align-items: center;
    gap: 8px;
}
.footer-links a i {
    font-size: 12px;
    color: var(--accent);
}
.footer-links a:hover {
    color: #fff;
    padding-left: 4px;
}
.footer-bottom {
    padding: 24px 0;
    text-align: center;
    font-size: 13px;
    color: rgba(255, 255, 255, 0.4);
    border-top: 1px solid rgba(255, 255, 255, 0.06);
}
.footer-bottom a {
    color: rgba(255, 255, 255, 0.5);
}
.footer-bottom a:hover {
    color: var(--accent);
}
/* ===== 响应式 ===== */
@media (max-width: 1024px) {
    .hero-inner {
        grid-template-columns: 1fr;
        gap: 32px;
    }
    .hero-content {
        max-width: 100%;
    }
    .hero-card {
        max-width: 520px;
    }
    .stats-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .features-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .categories-grid {
        grid-template-columns: 1fr;
    }
    .news-grid {
        grid-template-columns: 1fr;
    }
    .process-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .cta-box {
        padding: 50px 36px;
    }
    .site-header {
        padding: 0 16px;
    }
}
@media (max-width: 768px) {
    :root {
        --space: 70px;
        --space-sm: 50px;
    }
    .mobile-toggle {
        display: flex;
    }
    .main-nav {
        position: absolute;
        top: 72px;
        left: 0;
        right: 0;
        background: var(--card-bg);
        flex-direction: column;
        padding: 16px 24px 24px;
        box-shadow: var(--shadow-lg);
        border-bottom: 1px solid var(--border);
        display: none;
        margin: 0;
    }
    .main-nav.open {
        display: flex;
        animation: slideDown 0.35s ease;
    }
    @keyframes slideDown {
        from {
            opacity: 0;
            transform: translateY(-8px);
        }
        to {
            opacity: 1;
            transform: translateY(0);
        }
    }
    .nav-item {
        width: 100%;
        justify-content: center;
    }
    .header-cta .btn {
        display: none;
    }
    .hero h1 {
        font-size: 36px;
    }
    .hero-subtitle {
        font-size: 16px;
    }
    .section-title {
        font-size: 30px;
    }
    .cta-title {
        font-size: 28px;
    }
    .footer-top {
        grid-template-columns: 1fr;
        gap: 36px;
    }
    .category-card {
        flex-direction: column;
    }
    .category-card-img {
        width: 100%;
        min-height: 180px;
    }
}
@media (max-width: 520px) {
    .container {
        padding: 0 18px;
    }
    .hero {
        padding: 80px 0 70px;
    }
    .hero h1 {
        font-size: 30px;
    }
    .hero-actions .btn {
        width: 100%;
    }
    .stats-grid {
        grid-template-columns: 1fr 1fr;
        gap: 14px;
    }
    .stat-card {
        padding: 24px 16px;
    }
    .stat-number {
        font-size: 26px;
    }
    .features-grid {
        grid-template-columns: 1fr;
    }
    .feature-card {
        padding: 28px 24px;
    }
    .process-grid {
        grid-template-columns: 1fr;
    }
    .cta-box {
        padding: 40px 24px;
        border-radius: var(--radius);
    }
    .cta-actions .btn {
        width: 100%;
    }
    .news-item {
        border-radius: var(--radius-sm);
    }
    .footer-top {
        gap: 28px;
    }
    .logo {
        font-size: 18px;
    }
}

/* roulang page: category1 */
:root {
            --primary: #0f2b5c;
            --primary-light: #1a3f7a;
            --primary-dark: #081c3d;
            --accent: #d4a437;
            --accent-hover: #b8892b;
            --accent-light: #fdf4e0;
            --bg: #f6f8fb;
            --bg-white: #ffffff;
            --bg-dark: #0a1c38;
            --text: #1e2a3a;
            --text-light: #5a6b82;
            --text-muted: #8a97a8;
            --border: #e3e9f0;
            --radius: 16px;
            --radius-sm: 10px;
            --shadow-sm: 0 2px 8px rgba(15, 43, 92, 0.06);
            --shadow-md: 0 6px 24px rgba(15, 43, 92, 0.08);
            --shadow-lg: 0 16px 48px rgba(15, 43, 92, 0.12);
            --transition: all 0.3s cubic-bezier(0.25, 0.46, 0.45, 0.94);
            --container-w: 1200px;
        }

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

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

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

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

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

        button,
        input {
            font: inherit;
            border: none;
            outline: none;
            background: none;
        }

        ul,
        ol {
            list-style: none;
        }

        .container {
            width: min(var(--container-w), 92%);
            margin: 0 auto;
        }

        .section {
            padding: 80px 0;
        }

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

        .section-dark {
            background: var(--bg-dark);
            color: #e9eef5;
        }

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

        .section-eyebrow {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            font-size: 14px;
            font-weight: 600;
            letter-spacing: 2px;
            color: var(--accent);
            background: var(--accent-light);
            padding: 6px 18px;
            border-radius: 100px;
            margin-bottom: 16px;
            text-transform: uppercase;
        }

        .section-title {
            font-size: clamp(28px, 4vw, 38px);
            font-weight: 800;
            line-height: 1.25;
            color: var(--primary);
            letter-spacing: -0.01em;
        }

        .section-desc {
            margin-top: 14px;
            font-size: 17px;
            color: var(--text-light);
            line-height: 1.75;
        }

        .section-dark .section-title {
            color: #ffffff;
        }

        .section-dark .section-desc {
            color: #a8bcd4;
        }

        .divider-light {
            width: 56px;
            height: 3px;
            border-radius: 4px;
            background: linear-gradient(90deg, var(--accent), var(--accent-hover));
            margin: 14px auto 0;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 1000;
            background: rgba(255, 255, 255, 0.92);
            -webkit-backdrop-filter: blur(16px);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid var(--border);
            box-shadow: 0 2px 12px rgba(15, 43, 92, 0.04);
        }

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

        .logo {
            display: inline-flex;
            align-items: center;
            gap: 10px;
            font-size: 20px;
            font-weight: 800;
            color: var(--primary);
            white-space: nowrap;
            letter-spacing: -0.01em;
        }

        .logo-icon {
            width: 38px;
            height: 38px;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            border-radius: 10px;
            font-size: 16px;
            box-shadow: 0 4px 12px rgba(15, 43, 92, 0.2);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 6px;
            background: var(--bg);
            border-radius: 100px;
            padding: 4px;
        }

        .nav-item {
            display: inline-flex;
            align-items: center;
            gap: 7px;
            padding: 10px 22px;
            border-radius: 100px;
            font-size: 15px;
            font-weight: 600;
            color: var(--text-light);
            transition: var(--transition);
            white-space: nowrap;
        }

        .nav-item i {
            font-size: 14px;
            opacity: 0.8;
        }

        .nav-item:hover {
            color: var(--primary);
            background: rgba(15, 43, 92, 0.06);
        }

        .nav-item.active {
            background: var(--primary);
            color: #ffffff;
            box-shadow: 0 4px 14px rgba(15, 43, 92, 0.25);
        }

        .header-cta {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: linear-gradient(135deg, var(--accent), var(--accent-hover));
            color: #fff;
            font-weight: 700;
            padding: 10px 24px;
            border-radius: 100px;
            font-size: 14px;
            box-shadow: 0 4px 16px rgba(212, 164, 55, 0.35);
            transition: var(--transition);
            white-space: nowrap;
        }

        .header-cta:hover {
            transform: translateY(-2px);
            box-shadow: 0 8px 24px rgba(212, 164, 55, 0.45);
            color: #fff;
        }

        .mobile-toggle {
            display: none;
            width: 42px;
            height: 42px;
            align-items: center;
            justify-content: center;
            border-radius: 10px;
            background: var(--bg);
            color: var(--primary);
            font-size: 18px;
            cursor: pointer;
            transition: var(--transition);
        }

        .mobile-toggle:hover {
            background: rgba(15, 43, 92, 0.1);
        }

        /* ===== Hero Banner ===== */
        .cat-hero {
            position: relative;
            padding: 100px 0 90px;
            background: linear-gradient(135deg, rgba(8, 28, 61, 0.92), rgba(15, 43, 92, 0.85)), url('/assets/images/backpic/back-1.png') center/cover no-repeat;
            color: #ffffff;
            isolation: isolate;
        }

        .cat-hero::before {
            content: '';
            position: absolute;
            inset: 0;
            background: radial-gradient(ellipse at 20% 50%, rgba(212, 164, 55, 0.2) 0%, transparent 60%);
            z-index: -1;
        }

        .cat-hero-inner {
            max-width: 860px;
        }

        .cat-hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: rgba(255, 255, 255, 0.12);
            border: 1px solid rgba(255, 255, 255, 0.18);
            backdrop-filter: blur(8px);
            -webkit-backdrop-filter: blur(8px);
            padding: 8px 20px;
            border-radius: 100px;
            font-size: 14px;
            font-weight: 600;
            color: rgba(255, 255, 255, 0.9);
            letter-spacing: 0.5px;
        }

        .cat-hero h1 {
            font-size: clamp(32px, 5vw, 50px);
            font-weight: 800;
            line-height: 1.2;
            margin: 22px 0 18px;
            letter-spacing: -0.015em;
        }

        .cat-hero p {
            font-size: 18px;
            line-height: 1.8;
            color: rgba(255, 255, 255, 0.82);
            max-width: 680px;
            margin-bottom: 30px;
        }

        .hero-stats {
            display: flex;
            flex-wrap: wrap;
            gap: 36px;
            margin-top: 38px;
            padding-top: 32px;
            border-top: 1px solid rgba(255, 255, 255, 0.14);
        }

        .hero-stat-num {
            font-size: 30px;
            font-weight: 800;
            color: var(--accent);
            line-height: 1.2;
        }

        .hero-stat-label {
            font-size: 14px;
            color: rgba(255, 255, 255, 0.7);
            margin-top: 4px;
        }

        /* ===== Entry Intro / 核心信息 ===== */
        .entry-grid {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 56px;
            align-items: center;
        }

        .entry-media {
            border-radius: var(--radius);
            overflow: hidden;
            box-shadow: var(--shadow-lg);
            position: relative;
        }

        .entry-media img {
            width: 100%;
            height: 100%;
            object-fit: cover;
            min-height: 320px;
        }

        .entry-media::after {
            content: '';
            position: absolute;
            inset: 0;
            background: linear-gradient(to top, rgba(8, 28, 61, 0.3), transparent 50%);
        }

        .entry-content h3 {
            font-size: 26px;
            font-weight: 750;
            color: var(--primary);
            margin-bottom: 16px;
            line-height: 1.35;
        }

        .entry-content p {
            color: var(--text-light);
            line-height: 1.8;
            margin-bottom: 18px;
        }

        .feature-list {
            margin-top: 24px;
            display: grid;
            gap: 14px;
        }

        .feature-item {
            display: flex;
            align-items: center;
            gap: 12px;
            padding: 14px 18px;
            background: var(--bg);
            border-radius: var(--radius-sm);
            border: 1px solid var(--border);
            transition: var(--transition);
        }

        .feature-item:hover {
            border-color: rgba(212, 164, 55, 0.4);
            box-shadow: var(--shadow-sm);
            transform: translateX(4px);
        }

        .feature-icon {
            width: 36px;
            height: 36px;
            flex-shrink: 0;
            display: inline-flex;
            align-items: center;
            justify-content: center;
            background: linear-gradient(135deg, var(--primary), var(--primary-light));
            color: #fff;
            border-radius: 8px;
            font-size: 15px;
        }

        .feature-text {
            font-size: 15px;
            font-weight: 600;
            color: var(--text);
        }

        /* ===== Steps / 流程 ===== */
        .steps-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 28px;
        }

        .step-card {
            position: relative;
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 36px 28px 30px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
            overflow: hidden;
        }

        .step-card:hover {
            transform: translateY(-6px);
            box-shadow: var(--shadow-lg);
            border-color: rgba(212, 164, 55, 0.35);
        }

        .step-num {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: linear-gradient(135deg, var(--accent), var(--accent-hover));
            color: #fff;
            font-size: 18px;
            font-weight: 800;
            margin-bottom: 20px;
            box-shadow: 0 6px 16px rgba(212, 164, 55, 0.3);
        }

        .step-card h4 {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
        }

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

        .step-card::before {
            content: '';
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            height: 3px;
            background: linear-gradient(90deg, var(--accent), transparent);
            border-radius: var(--radius) var(--radius) 0 0;
        }

        /* ===== Card Grid / 内容卡片 ===== */
        .content-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 28px;
        }

        .content-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            overflow: hidden;
            display: flex;
            flex-direction: column;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

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

        .content-card-media {
            position: relative;
            overflow: hidden;
            height: 200px;
        }

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

        .content-card:hover .content-card-media img {
            transform: scale(1.04);
        }

        .content-card-tag {
            position: absolute;
            top: 14px;
            left: 14px;
            background: rgba(8, 28, 61, 0.8);
            color: #fff;
            font-size: 13px;
            font-weight: 600;
            padding: 4px 14px;
            border-radius: 100px;
            -webkit-backdrop-filter: blur(6px);
            backdrop-filter: blur(6px);
        }

        .content-card-body {
            padding: 26px 28px 28px;
            flex: 1;
            display: flex;
            flex-direction: column;
        }

        .content-card-body h3 {
            font-size: 20px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 10px;
            line-height: 1.4;
        }

        .content-card-body p {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.7;
            flex: 1;
        }

        .content-card-meta {
            display: flex;
            align-items: center;
            justify-content: space-between;
            margin-top: 20px;
            padding-top: 16px;
            border-top: 1px solid var(--border);
            font-size: 13px;
            color: var(--text-muted);
        }

        .btn-more {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            font-size: 14px;
            font-weight: 600;
            color: var(--primary);
            transition: var(--transition);
        }

        .btn-more:hover {
            color: var(--accent);
            gap: 10px;
        }

        /* ===== CTA 区块 ===== */
        .cta-box {
            background: linear-gradient(135deg, var(--primary), var(--primary-dark));
            border-radius: 24px;
            padding: 60px 50px;
            position: relative;
            overflow: hidden;
            display: flex;
            flex-wrap: wrap;
            align-items: center;
            justify-content: space-between;
            gap: 32px;
        }

        .cta-box::before {
            content: '';
            position: absolute;
            top: -40px;
            right: -40px;
            width: 200px;
            height: 200px;
            border-radius: 50%;
            background: rgba(212, 164, 55, 0.15);
        }

        .cta-box::after {
            content: '';
            position: absolute;
            bottom: -60px;
            left: 30%;
            width: 120px;
            height: 120px;
            border-radius: 50%;
            background: rgba(212, 164, 55, 0.1);
        }

        .cta-text h3 {
            font-size: 28px;
            font-weight: 800;
            color: #fff;
            margin-bottom: 12px;
        }

        .cta-text p {
            color: rgba(255, 255, 255, 0.75);
            font-size: 16px;
            max-width: 480px;
        }

        .cta-actions {
            display: flex;
            gap: 14px;
            flex-wrap: wrap;
            position: relative;
            z-index: 2;
        }

        .btn-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            background: var(--accent);
            color: #fff;
            font-weight: 700;
            padding: 14px 32px;
            border-radius: 100px;
            box-shadow: 0 6px 20px rgba(212, 164, 55, 0.35);
            transition: var(--transition);
        }

        .btn-light:hover {
            transform: translateY(-2px);
            box-shadow: 0 10px 28px rgba(212, 164, 55, 0.5);
            color: #fff;
        }

        .btn-outline-light {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            border: 2px solid rgba(255, 255, 255, 0.3);
            color: #fff;
            font-weight: 600;
            padding: 12px 28px;
            border-radius: 100px;
            transition: var(--transition);
        }

        .btn-outline-light:hover {
            border-color: rgba(255, 255, 255, 0.7);
            background: rgba(255, 255, 255, 0.08);
            color: #fff;
        }

        /* ===== FAQ ===== */
        .faq-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
        }

        .faq-card {
            background: var(--bg-white);
            border: 1px solid var(--border);
            border-radius: var(--radius);
            padding: 28px 30px;
            box-shadow: var(--shadow-sm);
            transition: var(--transition);
        }

        .faq-card:hover {
            box-shadow: var(--shadow-md);
            border-color: rgba(15, 43, 92, 0.2);
        }

        .faq-card h4 {
            font-size: 17px;
            font-weight: 700;
            color: var(--primary);
            margin-bottom: 12px;
            display: flex;
            align-items: flex-start;
            gap: 10px;
        }

        .faq-card h4 i {
            color: var(--accent);
            font-size: 15px;
            margin-top: 4px;
        }

        .faq-card p {
            font-size: 15px;
            color: var(--text-light);
            line-height: 1.75;
            margin-left: 26px;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: var(--bg-dark);
            color: #a8bcd4;
            padding-top: 60px;
            font-size: 15px;
        }

        .footer-top {
            display: grid;
            grid-template-columns: 2fr 1fr 1fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

        .footer-brand .logo {
            color: #fff;
            margin-bottom: 18px;
        }

        .footer-brand .logo-icon {
            background: linear-gradient(135deg, var(--accent), var(--accent-hover));
        }

        .footer-brand p {
            color: rgba(255, 255, 255, 0.6);
            line-height: 1.8;
            max-width: 320px;
        }

        .footer-col-title {
            font-size: 16px;
            font-weight: 700;
            color: #fff;
            margin-bottom: 20px;
            position: relative;
            padding-bottom: 10px;
        }

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

        .footer-links {
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-links a {
            display: inline-flex;
            align-items: center;
            gap: 8px;
            color: rgba(255, 255, 255, 0.6);
            font-size: 14px;
            transition: var(--transition);
        }

        .footer-links a i {
            font-size: 11px;
            color: var(--accent);
        }

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

        .footer-bottom {
            padding: 22px 0;
            text-align: center;
            color: rgba(255, 255, 255, 0.5);
            font-size: 14px;
            border-top: 1px solid rgba(255, 255, 255, 0.06);
        }

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

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

        /* ===== Responsive ===== */
        @media (max-width: 1024px) {
            .main-nav {
                gap: 4px;
            }

            .nav-item {
                padding: 9px 16px;
                font-size: 14px;
            }

            .header-cta {
                padding: 9px 18px;
                font-size: 13px;
            }

            .entry-grid {
                gap: 36px;
            }
        }

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

            .header-inner {
                height: 64px;
            }

            .mobile-toggle {
                display: inline-flex;
            }

            .main-nav {
                position: fixed;
                top: 64px;
                left: 0;
                right: 0;
                background: #fff;
                flex-direction: column;
                align-items: stretch;
                border-radius: 0;
                box-shadow: 0 12px 32px rgba(15, 43, 92, 0.12);
                padding: 16px;
                gap: 8px;
                transform: translateY(-120%);
                opacity: 0;
                transition: var(--transition);
                pointer-events: none;
                z-index: 999;
            }

            .main-nav.open {
                transform: translateY(0);
                opacity: 1;
                pointer-events: auto;
            }

            .nav-item {
                padding: 14px 16px;
                border-radius: var(--radius-sm);
                font-size: 15px;
            }

            .nav-item.active {
                border-radius: var(--radius-sm);
            }

            .header-cta {
                margin-left: auto;
            }

            .cat-hero {
                padding: 60px 0 54px;
            }

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

            .cat-hero p {
                font-size: 16px;
            }

            .hero-stats {
                gap: 24px;
            }

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

            .entry-media img {
                min-height: 220px;
            }

            .steps-grid {
                grid-template-columns: 1fr;
                gap: 20px;
            }

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

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

            .cta-box {
                padding: 40px 28px;
            }

            .cta-box h3 {
                font-size: 24px;
            }

            .footer-top {
                grid-template-columns: 1fr;
                gap: 36px;
            }

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

        @media (max-width: 520px) {
            .container {
                width: 90%;
            }

            .section {
                padding: 48px 0;
            }

            .section-head {
                margin-bottom: 36px;
            }

            .cat-hero h1 {
                font-size: 28px;
            }

            .cat-hero-badge {
                font-size: 12px;
                padding: 6px 14px;
            }

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

            .entry-content h3 {
                font-size: 22px;
            }

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

            .content-card-media {
                height: 160px;
            }

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

            .btn-light,
            .btn-outline-light {
                justify-content: center;
                width: 100%;
            }

            .faq-card {
                padding: 20px;
            }

            .header-cta span {
                display: none;
            }

            .header-cta {
                padding: 9px 14px;
            }

            .logo {
                font-size: 18px;
            }

            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 14px;
            }
        }

/* roulang page: article */
:root{
    --primary:#173a6e;
    --primary-light:#2b5b9e;
    --primary-soft:#e9eff8;
    --accent:#d9a434;
    --accent-soft:#fbf3e0;
    --dark:#0d1b30;
    --bg:#f3f6fb;
    --surface:#ffffff;
    --text:#1f2a3d;
    --text-weak:#68758c;
    --border:#e2e8f0;
    --radius-lg:20px;
    --radius-md:14px;
    --radius-sm:9px;
    --shadow-sm:0 2px 8px rgba(15,30,60,.06);
    --shadow-md:0 8px 24px rgba(15,30,60,.09);
    --shadow-lg:0 18px 44px rgba(15,30,60,.13);
    --space-section:88px;
    --nav-h:78px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{font-family:"PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;background:var(--bg);color:var(--text);line-height:1.75;font-size:15.5px;letter-spacing:.01em}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .22s ease}
button{font-family:inherit;cursor:pointer;border:none;background:none}
ul,ol{list-style:none}
input,textarea{font-family:inherit}
.container{width:min(1200px,100%-48px);margin:0 auto}
.section{padding:var(--space-section) 0}

.btn{
    display:inline-flex;align-items:center;justify-content:center;gap:9px;
    padding:13px 26px;border-radius:50px;font-size:15px;font-weight:600;
    line-height:1.2;letter-spacing:.02em;transition:all .25s ease;white-space:nowrap;
}
.btn-primary{
    background:linear-gradient(135deg,var(--primary),var(--primary-light));
    color:#fff;box-shadow:0 6px 18px rgba(23,58,110,.28);
}
.btn-primary:hover{
    transform:translateY(-2px);box-shadow:0 12px 26px rgba(23,58,110,.36);color:#fff;
}
.btn-primary:active{transform:translateY(0);box-shadow:0 4px 12px rgba(23,58,110,.25)}
.btn-outline{
    background:transparent;border:1.5px solid rgba(255,255,255,.65);color:#fff;
}
.btn-outline:hover{background:rgba(255,255,255,.14);border-color:#fff;color:#fff;transform:translateY(-2px)}
.btn-gold{
    background:linear-gradient(135deg,#d9a434,#e2b45c);color:#1e2c45;
    box-shadow:0 6px 18px rgba(217,164,52,.32);
}
.btn-gold:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(217,164,52,.42);color:#1e2c45}
.btn-sm{padding:9px 18px;font-size:13.5px}
.btn:focus-visible,.nav-item:focus-visible,.faq-question:focus-visible,.post-item:focus-visible{outline:3px solid rgba(217,164,52,.45);outline-offset:3px}

.site-header{
    position:sticky;top:0;z-index:100;background:rgba(255,255,255,.94);
    backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
    border-bottom:1px solid rgba(226,232,240,.8);
    transition:box-shadow .3s ease;
}
.site-header.scrolled{box-shadow:var(--shadow-sm)}
.header-inner{
    display:flex;align-items:center;justify-content:space-between;
    height:var(--nav-h);gap:20px;
}
.logo{
    display:inline-flex;align-items:center;gap:11px;
    font-size:21px;font-weight:800;color:var(--primary);letter-spacing:.02em;flex-shrink:0;
}
.logo-icon{
    width:42px;height:42px;border-radius:13px;
    background:linear-gradient(135deg,var(--primary),var(--primary-light));
    color:#fff;display:flex;align-items:center;justify-content:center;
    font-size:17px;box-shadow:0 5px 14px rgba(23,58,110,.25);
    transition:transform .25s ease;
}
.logo:hover .logo-icon{transform:rotate(-6deg) scale(1.05)}
.main-nav{
    display:flex;align-items:center;gap:7px;
    background:var(--primary-soft);padding:6px;border-radius:50px;
}
.nav-item{
    display:inline-flex;align-items:center;gap:8px;
    padding:10px 20px;border-radius:50px;
    font-size:14.5px;font-weight:600;color:#3d5170;
    transition:all .25s ease;white-space:nowrap;
}
.nav-item i{font-size:14px;opacity:.85}
.nav-item:hover{color:var(--primary);background:rgba(23,58,110,.07)}
.nav-item.active{
    background:linear-gradient(135deg,var(--primary),var(--primary-light));
    color:#fff;box-shadow:0 5px 14px rgba(23,58,110,.26);
}
.header-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-toggle{
    display:none;width:42px;height:42px;border-radius:12px;
    background:var(--primary-soft);color:var(--primary);
    align-items:center;justify-content:center;font-size:17px;
    transition:background .2s ease;
}
.nav-toggle:hover{background:#dbe6f5}

.page-banner{
    position:relative;padding:54px 0 48px;
    background-image:linear-gradient(135deg,rgba(11,24,45,.93),rgba(26,55,102,.87)),url('/assets/images/backpic/back-2.png');
    background-size:cover;background-position:center;
}
.breadcrumb{
    display:flex;align-items:center;flex-wrap:wrap;gap:8px;
    font-size:14px;color:rgba(255,255,255,.75);margin-bottom:16px;
}
.breadcrumb a{color:rgba(255,255,255,.85);transition:color .2s ease}
.breadcrumb a:hover{color:#f0c868}
.breadcrumb i{font-size:10px;color:rgba(255,255,255,.5)}
.breadcrumb span{
    color:#f0c868;max-width:260px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}
.banner-title{
    color:#fff;font-size:30px;line-height:1.35;font-weight:800;
    letter-spacing:.02em;max-width:760px;
}
.banner-subtitle{color:rgba(255,255,255,.72);margin-top:10px;font-size:15.5px;max-width:640px}

.article-section{padding:56px 0 64px}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:34px;align-items:start}
.article-main{min-width:0}
.article-card{
    background:var(--surface);border-radius:var(--radius-lg);
    box-shadow:var(--shadow-sm);overflow:hidden;
    border:1px solid rgba(226,232,240,.7);
}
.article-cover{height:300px;overflow:hidden;position:relative;background:#dbe4f0}
.article-cover img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.article-cover::after{
    content:'';position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(13,27,48,0) 55%,rgba(13,27,48,.25));
    pointer-events:none;
}
.article-body-wrap{padding:40px 46px 24px}
.article-meta{
    display:flex;align-items:center;flex-wrap:wrap;gap:14px;
    margin-bottom:20px;font-size:13.5px;color:var(--text-weak);
}
.meta-badge{
    display:inline-flex;align-items:center;gap:6px;
    background:var(--accent-soft);color:#9a7117;
    padding:5px 13px;border-radius:50px;font-size:13px;font-weight:600;
}
.meta-badge i{font-size:11px}
.meta-dot{width:4px;height:4px;border-radius:50%;background:#c3ccda}
.article-h1{
    font-size:30px;line-height:1.4;font-weight:800;color:var(--dark);
    letter-spacing:.01em;margin-bottom:16px;
}
.article-divider{height:1px;background:linear-gradient(90deg,var(--border),transparent);border:none;margin:24px 0}
.article-body{font-size:16px;line-height:1.95;color:#33415a}
.article-body p{margin-bottom:20px}
.article-body h2{
    font-size:23px;font-weight:800;color:var(--dark);
    margin:36px 0 16px;padding-left:14px;border-left:4px solid var(--accent);
    line-height:1.4;
}
.article-body h3{
    font-size:19px;font-weight:700;color:var(--dark);
    margin:28px 0 12px;
}
.article-body h4{font-size:16.5px;font-weight:700;color:var(--primary);margin:22px 0 10px}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:0}
.article-body ul li{
    position:relative;padding-left:26px;margin-bottom:10px;
}
.article-body ul li::before{
    content:'\f058';font-family:'Font Awesome 6 Free';font-weight:900;
    position:absolute;left:0;top:1px;color:var(--accent);font-size:14px;
}
.article-body ol{counter-reset:num;padding-left:0}
.article-body ol li{
    position:relative;padding-left:34px;margin-bottom:10px;counter-increment:num;
}
.article-body ol li::before{
    content:counter(num,decimal-leading-zero);
    position:absolute;left:0;top:1px;
    width:22px;height:22px;border-radius:7px;
    background:var(--primary-soft);color:var(--primary);
    font-size:12px;font-weight:700;
    display:flex;align-items:center;justify-content:center;
}
.article-body img{border-radius:var(--radius-md);box-shadow:var(--shadow-sm);margin:12px 0 20px}
.article-body a{color:var(--primary-light);font-weight:600;border-bottom:1px solid rgba(43,91,158,.25)}
.article-body a:hover{color:var(--primary);border-color:var(--primary)}
.article-body blockquote{
    background:var(--primary-soft);border-left:4px solid var(--primary);
    padding:18px 22px;border-radius:0 var(--radius-md) var(--radius-md) 0;
    margin:24px 0;color:#3d5170;font-size:15px;
}
.article-body blockquote p{margin-bottom:0}
.article-body table{width:100%;border-collapse:collapse;margin:20px 0;font-size:14.5px}
.article-body table th{
    background:var(--primary);color:#fff;padding:12px 16px;text-align:left;font-weight:600;
}
.article-body table td{padding:11px 16px;border:1px solid var(--border)}
.article-body table tr:nth-child(even) td{background:#f8fafc}
.article-body code{background:#eef2f8;padding:2px 8px;border-radius:6px;font-size:13.5px;color:#b4582c}
.content-empty{
    background:var(--primary-soft);border:1px dashed #b7c9e4;
    border-radius:var(--radius-md);padding:28px;color:#44618c;font-size:15px;margin:12px 0 0;
}
.article-tags{
    display:flex;align-items:center;flex-wrap:wrap;gap:10px;
    margin-top:34px;padding-top:24px;border-top:1px solid var(--border);
}
.tag-label{font-size:13.5px;color:var(--text-weak);font-weight:600}
.tag-chip{
    display:inline-flex;align-items:center;gap:6px;
    background:#f1f4fa;border:1px solid var(--border);
    color:#41547a;border-radius:50px;padding:6px 16px;
    font-size:13px;font-weight:500;transition:all .22s ease;
}
.tag-chip:hover{background:var(--primary-soft);color:var(--primary);border-color:#b7c9e4}
.share-box{
    display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:14px;
    background:#f8fafc;border-radius:var(--radius-md);
    padding:18px 24px;margin-top:18px;border:1px solid var(--border);
}
.share-text{font-size:14px;color:var(--text-weak);font-weight:600}
.share-btns{display:flex;gap:9px}
.share-btn{
    width:36px;height:36px;border-radius:10px;
    background:#fff;border:1px solid var(--border);color:#41547a;
    display:flex;align-items:center;justify-content:center;font-size:14px;
    transition:all .22s ease;
}
.share-btn:hover{background:var(--primary);color:#fff;border-color:var(--primary);transform:translateY(-2px)}

.sidebar{min-width:0;display:flex;flex-direction:column;gap:24px}
.sidebar-card{
    background:var(--surface);border-radius:var(--radius-lg);
    box-shadow:var(--shadow-sm);border:1px solid rgba(226,232,240,.7);
    padding:28px 26px;
}
.sidebar-title{
    display:flex;align-items:center;gap:10px;
    font-size:17.5px;font-weight:800;color:var(--dark);
    margin-bottom:20px;letter-spacing:.02em;
}
.sidebar-title::before{
    content:'';width:4px;height:20px;border-radius:3px;
    background:linear-gradient(180deg,var(--accent),#e9c560);
}
.post-list{display:flex;flex-direction:column;gap:4px}
.post-item{
    display:block;padding:14px 10px;border-radius:12px;
    transition:background .22s ease;border-bottom:1px solid #edf1f7;
}
.post-item:last-child{border-bottom:none}
.post-item:hover{background:var(--primary-soft)}
.post-item:hover .post-title{color:var(--primary)}
.post-cat{
    display:inline-block;font-size:11.5px;font-weight:700;color:#9a7117;
    background:var(--accent-soft);padding:3px 10px;border-radius:30px;margin-bottom:7px;
}
.post-title{
    display:block;font-size:14.5px;font-weight:600;color:var(--text);
    line-height:1.5;transition:color .2s ease;
    display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-date{display:block;font-size:12px;color:#9aa7ba;margin-top:6px}
.sidebar-guide{display:flex;flex-direction:column;gap:12px}
.guide-step{
    display:flex;align-items:flex-start;gap:12px;
    background:#f8fafc;border:1px solid var(--border);border-radius:12px;
    padding:14px 16px;transition:all .22s ease;
}
.guide-step:hover{border-color:#b7c9e4;background:var(--primary-soft)}
.guide-num{
    width:26px;height:26px;border-radius:8px;flex-shrink:0;
    background:linear-gradient(135deg,var(--primary),var(--primary-light));
    color:#fff;font-size:13px;font-weight:700;
    display:flex;align-items:center;justify-content:center;
}
.guide-step-text{font-size:13.5px;font-weight:600;color:#3d5170;line-height:1.5}
.guide-step small{display:block;font-size:12px;color:var(--text-weak);font-weight:400;margin-top:2px}
.sidebar-cta{
    background:linear-gradient(150deg,var(--dark),var(--primary));
    border-radius:var(--radius-lg);padding:32px 28px;color:#fff;
    text-align:center;position:relative;overflow:hidden;
}
.sidebar-cta::before{
    content:'\f1e0';font-family:'Font Awesome 6 Free';font-weight:900;
    position:absolute;right:-22px;top:-22px;font-size:110px;opacity:.08;color:#fff;
}
.sidebar-cta h3{font-size:20px;font-weight:800;margin-bottom:10px;line-height:1.4}
.sidebar-cta p{font-size:13.5px;color:rgba(255,255,255,.74);margin-bottom:22px;line-height:1.7}
.sidebar-cta .btn{width:100%}

.related-section{padding:0 0 var(--space-section)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:34px}
.section-title{font-size:28px;font-weight:800;color:var(--dark);letter-spacing:.01em;line-height:1.3}
.section-title span{color:var(--accent)}
.section-sub{color:var(--text-weak);font-size:14.5px;margin-top:8px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.related-card{
    background:var(--surface);border-radius:var(--radius-lg);overflow:hidden;
    box-shadow:var(--shadow-sm);border:1px solid rgba(226,232,240,.7);
    transition:transform .28s ease,box-shadow .28s ease;
}
.related-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-md)}
.related-card .card-cover{height:175px;overflow:hidden;position:relative}
.related-card .card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.related-card:hover .card-cover img{transform:scale(1.06)}
.related-card .card-cover::after{
    content:'';position:absolute;inset:0;background:linear-gradient(180deg,transparent 60%,rgba(13,27,48,.2));
}
.related-card-body{padding:22px 22px 24px}
.related-card-body .card-cat{
    display:inline-block;font-size:12px;font-weight:700;color:var(--primary);
    background:var(--primary-soft);padding:4px 13px;border-radius:30px;margin-bottom:10px;
}
.related-card-body h3{font-size:17px;font-weight:700;color:var(--dark);line-height:1.55;margin-bottom:8px}
.related-card-body p{font-size:13.5px;color:var(--text-weak);line-height:1.7}
.card-more{
    display:inline-flex;align-items:center;gap:7px;margin-top:14px;
    color:var(--primary-light);font-size:13.5px;font-weight:600;
    transition:gap .22s ease;
}
.card-more:hover{gap:12px;color:var(--primary)}

.faq-section{background:#fff;border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.faq-wrap{max-width:860px;margin:0 auto}
.faq-item{
    background:#f8fafc;border:1px solid var(--border);border-radius:var(--radius-md);
    margin-bottom:14px;overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item.open{border-color:#b7c9e4;box-shadow:var(--shadow-sm);background:#fff}
.faq-question{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    width:100%;padding:19px 24px;text-align:left;
    font-size:15.5px;font-weight:700;color:var(--dark);line-height:1.5;
}
.faq-question i{
    color:var(--primary-light);font-size:14px;flex-shrink:0;
    transition:transform .3s ease;width:18px;text-align:center;
}
.faq-item.open .faq-question i{transform:rotate(180deg);color:var(--accent)}
.faq-answer{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-item.open .faq-answer{max-height:520px}
.faq-answer-inner{padding:0 24px 22px;font-size:14.5px;color:#4a5b76;line-height:1.85;border-top:1px dashed var(--border);margin:0 24px 0;padding:18px 0 20px}
.faq-answer-inner p{margin-bottom:10px}
.faq-answer-inner p:last-child{margin-bottom:0}

.cta-section{padding:70px 0}
.cta-box{
    position:relative;border-radius:26px;overflow:hidden;max-width:1000px;margin:0 auto;
    background-image:linear-gradient(135deg,rgba(11,24,45,.92),rgba(26,55,102,.85)),url('/assets/images/backpic/back-3.png');
    background-size:cover;background-position:center;
    padding:56px 48px;text-align:center;color:#fff;
}
.cta-box h2{font-size:30px;font-weight:800;letter-spacing:.02em;line-height:1.4}
.cta-box p{color:rgba(255,255,255,.78);margin-top:12px;font-size:15px;max-width:620px;margin-left:auto;margin-right:auto}
.cta-btns{display:flex;justify-content:center;gap:16px;margin-top:30px;flex-wrap:wrap}

.not-found{
    background:var(--surface);border-radius:var(--radius-lg);
    box-shadow:var(--shadow-sm);border:1px solid var(--border);
    padding:64px 40px;text-align:center;
}
.not-found-icon{
    width:86px;height:86px;border-radius:26px;margin:0 auto 24px;
    background:var(--primary-soft);color:var(--primary);
    font-size:34px;display:flex;align-items:center;justify-content:center;
}
.not-found h1{font-size:30px;font-weight:800;color:var(--dark);margin-bottom:12px}
.not-found p{color:var(--text-weak);font-size:15px;max-width:440px;margin:0 auto 26px}

.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding-top:62px}
.footer-top{
    display:grid;grid-template-columns:1.6fr 1fr 1fr;gap:42px;
    padding-bottom:46px;border-bottom:1px solid rgba(255,255,255,.09);
}
.footer-brand .logo{color:#fff;margin-bottom:18px}
.footer-brand .logo .logo-icon{box-shadow:0 6px 16px rgba(0,0,0,.35)}
.footer-brand p{font-size:14px;line-height:1.85;max-width:420px}
.footer-col-title{
    font-size:15.5px;font-weight:700;color:#fff;
    margin-bottom:18px;letter-spacing:.03em;
}
.footer-col-title::after{content:'';display:block;width:28px;height:3px;border-radius:2px;background:var(--accent);margin-top:9px}
.footer-links{display:flex;flex-direction:column;gap:11px}
.footer-links a{
    display:inline-flex;align-items:center;gap:8px;
    font-size:14px;color:rgba(255,255,255,.68);transition:all .2s ease;
}
.footer-links a i{font-size:10px;color:var(--accent)}
.footer-links a:hover{color:#f0c868;padding-left:5px}
.footer-bottom{
    display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:8px;
    padding:24px 0;font-size:13.5px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.75)}
.footer-bottom a:hover{color:var(--accent)}

@media(max-width:1024px){
    :root{--space-section:66px}
    .article-grid{grid-template-columns:minmax(0,1fr) 300px;gap:26px}
    .article-body-wrap{padding:32px 30px 20px}
    .article-cover{height:250px}
    .related-grid{grid-template-columns:repeat(2,1fr)}
}
@media(max-width:768px){
    :root{--space-section:54px;--nav-h:68px}
    .header-inner{flex-wrap:wrap;height:auto;padding:12px 0;gap:10px}
    .site-header .container{padding-bottom:0}
    .header-actions{gap:8px}
    .nav-toggle{display:flex}
    .main-nav{
        flex-direction:column;align-items:stretch;width:100%;
        border-radius:18px;padding:10px;display:none;
        background:var(--primary-soft);margin-top:4px;
    }
    .main-nav.open{display:flex}
    .nav-item{justify-content:flex-start;padding:12px 18px}
    .nav-item i{width:18px;text-align:center}
    .page-banner{padding:38px 0 36px}
    .banner-title{font-size:24px}
    .banner-subtitle{font-size:14px}
    .article-section{padding:34px 0 44px}
    .article-grid{grid-template-columns:1fr}
    .article-cover{height:210px}
    .article-h1{font-size:24px}
    .article-body{font-size:15.5px}
    .article-body h2{font-size:20px}
    .share-box{flex-direction:column;align-items:flex-start}
    .related-grid{grid-template-columns:1fr}
    .footer-top{grid-template-columns:1fr;gap:32px;padding-bottom:32px}
    .cta-box{padding:42px 24px}
    .cta-box h2{font-size:24px}
    .section-title{font-size:23px}
    .faq-question{font-size:14.5px;padding:16px 18px}
}
@media(max-width:520px){
    .container{width:calc(100% - 36px)}
    .banner-title{font-size:21px}
    .article-body-wrap{padding:24px 18px 16px}
    .article-cover{height:180px}
    .article-h1{font-size:21px}
    .sidebar-card{padding:22px 18px}
    .related-grid{gap:18px}
    .cta-btns{flex-direction:column;align-items:center}
    .cta-btns .btn{width:100%}
    .footer-bottom{font-size:12.5px;text-align:center}
}

/* roulang page: category2 */
/* ===== Design Variables ===== */
    :root {
        --primary: #2563eb;
        --primary-dark: #1d4ed8;
        --primary-light: #3b82f6;
        --secondary: #0ea5e9;
        --accent: #8b5cf6;
        --bg-dark: #0f172a;
        --bg-body: #f8fafc;
        --bg-white: #ffffff;
        --bg-soft: #f1f5f9;
        --text-main: #1e293b;
        --text-body: #475569;
        --text-muted: #94a3b8;
        --border: #e2e8f0;
        --border-light: #f1f5f9;
        --radius-lg: 16px;
        --radius-md: 12px;
        --radius-sm: 8px;
        --shadow-sm: 0 1px 3px rgba(0,0,0,.08);
        --shadow-md: 0 4px 16px rgba(0,0,0,.08);
        --shadow-lg: 0 12px 36px rgba(0,0,0,.10);
        --transition: all .25s ease;
        --container: 1200px;
        --space-section: 80px;
    }

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

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

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

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

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

    button {
        border: none;
        background: none;
        cursor: pointer;
        font-family: inherit;
    }

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

    ul, ol {
        list-style: none;
    }

    h1, h2, h3, h4, h5 {
        color: var(--text-main);
        line-height: 1.35;
        font-weight: 700;
    }

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

    /* ===== Header & Navigation ===== */
    .site-header {
        position: sticky;
        top: 0;
        z-index: 100;
        background: rgba(255,255,255,.95);
        backdrop-filter: blur(12px);
        -webkit-backdrop-filter: blur(12px);
        border-bottom: 1px solid var(--border);
    }

    .header-inner {
        display: flex;
        align-items: center;
        justify-content: space-between;
        height: 72px;
        gap: 24px;
    }

    .logo {
        display: flex;
        align-items: center;
        gap: 10px;
        font-size: 20px;
        font-weight: 800;
        color: var(--text-main);
        white-space: nowrap;
    }

    .logo-icon {
        width: 40px;
        height: 40px;
        border-radius: 10px;
        background: linear-gradient(135deg, var(--primary), var(--secondary));
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: 18px;
        flex-shrink: 0;
    }

    .header-right {
        display: flex;
        align-items: center;
        gap: 16px;
    }

    .main-nav {
        display: flex;
        align-items: center;
        gap: 8px;
        padding: 4px;
        background: var(--bg-soft);
        border-radius: 12px;
    }

    .nav-item {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 10px 20px;
        border-radius: 9px;
        font-size: 14px;
        font-weight: 600;
        color: var(--text-body);
        transition: var(--transition);
        white-space: nowrap;
    }

    .nav-item i {
        font-size: 14px;
        opacity: .8;
    }

    .nav-item:hover {
        color: var(--primary);
        background: rgba(37,99,235,.08);
    }

    .nav-item.active {
        background: #fff;
        color: var(--primary);
        box-shadow: var(--shadow-sm);
        font-weight: 700;
    }

    .header-cta {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: linear-gradient(135deg, var(--primary), var(--secondary));
        color: #fff;
        padding: 10px 22px;
        border-radius: 10px;
        font-size: 14px;
        font-weight: 600;
        box-shadow: 0 4px 12px rgba(37,99,235,.25);
        transition: var(--transition);
        white-space: nowrap;
    }

    .header-cta:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 20px rgba(37,99,235,.35);
    }

    .burger {
        display: none;
        width: 44px;
        height: 44px;
        border-radius: 10px;
        border: 1px solid var(--border);
        align-items: center;
        justify-content: center;
        font-size: 20px;
        color: var(--text-main);
        background: #fff;
        transition: var(--transition);
    }

    .burger:hover {
        background: var(--bg-soft);
    }

    /* ===== Page Hero ===== */
    .page-hero {
        position: relative;
        padding: 90px 0 100px;
        background: linear-gradient(135deg, rgba(15,23,42,.92), rgba(30,64,175,.85)), url('/assets/images/backpic/back-2.png') center/cover no-repeat;
        color: #fff;
        overflow: hidden;
    }

    .page-hero::before {
        content: '';
        position: absolute;
        width: 400px;
        height: 400px;
        background: radial-gradient(circle, rgba(59,130,246,.3), transparent 70%);
        top: -100px;
        right: -100px;
        border-radius: 50%;
    }

    .page-hero::after {
        content: '';
        position: absolute;
        width: 300px;
        height: 300px;
        background: radial-gradient(circle, rgba(139,92,246,.25), transparent 70%);
        bottom: -80px;
        left: -80px;
        border-radius: 50%;
    }

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

    .page-hero .hero-tag {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: rgba(255,255,255,.15);
        border: 1px solid rgba(255,255,255,.25);
        color: #fff;
        padding: 6px 16px;
        border-radius: 50px;
        font-size: 13px;
        font-weight: 500;
        margin-bottom: 20px;
        backdrop-filter: blur(8px);
    }

    .page-hero h1 {
        color: #fff;
        font-size: 42px;
        line-height: 1.2;
        margin-bottom: 18px;
        font-weight: 800;
        letter-spacing: -0.02em;
    }

    .page-hero p {
        font-size: 17px;
        color: rgba(255,255,255,.8);
        max-width: 640px;
        line-height: 1.8;
    }

    .hero-meta {
        display: flex;
        flex-wrap: wrap;
        gap: 24px;
        margin-top: 28px;
        padding-top: 28px;
        border-top: 1px solid rgba(255,255,255,.15);
    }

    .hero-meta-item {
        display: flex;
        align-items: center;
        gap: 10px;
    }

    .hero-meta-item i {
        width: 36px;
        height: 36px;
        background: rgba(255,255,255,.12);
        border-radius: 10px;
        display: flex;
        align-items: center;
        justify-content: center;
        font-size: 14px;
        color: #fff;
    }

    .hero-meta-item span {
        font-size: 13px;
        color: rgba(255,255,255,.7);
        line-height: 1.4;
    }

    .hero-meta-item strong {
        display: block;
        color: #fff;
        font-size: 15px;
        font-weight: 600;
    }

    /* ===== Breadcrumb ===== */
    .breadcrumb {
        background: transparent;
        padding: 16px 0;
    }

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

    .breadcrumb a {
        color: var(--text-muted);
    }

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

    .breadcrumb i {
        font-size: 12px;
        margin: 0 2px;
        color: #c0c8d4;
    }

    .breadcrumb .current {
        color: var(--text-body);
        font-weight: 500;
    }

    /* ===== Section Common ===== */
    .section {
        padding: var(--space-section) 0;
    }

    .section-head {
        text-align: center;
        max-width: 720px;
        margin: 0 auto 48px;
    }

    .section-tag {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        background: rgba(37,99,235,.1);
        color: var(--primary);
        font-size: 13px;
        font-weight: 600;
        padding: 6px 16px;
        border-radius: 50px;
        margin-bottom: 16px;
    }

    .section-head h2 {
        font-size: 32px;
        letter-spacing: -0.02em;
        margin-bottom: 12px;
        color: var(--text-main);
    }

    .section-head p {
        font-size: 16px;
        color: var(--text-muted);
        line-height: 1.7;
    }

    /* ===== Filters ===== */
    .filter-bar {
        display: flex;
        flex-wrap: wrap;
        align-items: center;
        justify-content: center;
        gap: 10px;
        margin-bottom: 44px;
    }

    .filter-chip {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        padding: 10px 22px;
        border-radius: 50px;
        background: #fff;
        border: 1px solid var(--border);
        font-size: 14px;
        font-weight: 500;
        color: var(--text-body);
        cursor: pointer;
        transition: var(--transition);
    }

    .filter-chip i {
        font-size: 13px;
        opacity: .7;
    }

    .filter-chip:hover {
        border-color: var(--primary);
        color: var(--primary);
        background: rgba(37,99,235,.04);
    }

    .filter-chip.active {
        background: var(--primary);
        border-color: var(--primary);
        color: #fff;
        box-shadow: 0 4px 14px rgba(37,99,235,.3);
    }

    /* ===== News Grid ===== */
    .news-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 28px;
        margin-bottom: 40px;
    }

    .news-card {
        background: #fff;
        border-radius: var(--radius-lg);
        border: 1px solid var(--border);
        overflow: hidden;
        transition: var(--transition);
        display: flex;
        flex-direction: column;
    }

    .news-card:hover {
        transform: translateY(-4px);
        box-shadow: var(--shadow-md);
        border-color: transparent;
    }

    .news-card-media {
        position: relative;
        height: 200px;
        overflow: hidden;
        background: var(--bg-soft);
    }

    .news-card-media img {
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform .4s ease;
    }

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

    .news-card-badge {
        position: absolute;
        top: 14px;
        left: 14px;
        background: rgba(255,255,255,.95);
        backdrop-filter: blur(6px);
        color: var(--primary);
        font-size: 12px;
        font-weight: 700;
        padding: 5px 14px;
        border-radius: 50px;
        box-shadow: var(--shadow-sm);
    }

    .news-card-body {
        padding: 24px;
        flex: 1;
        display: flex;
        flex-direction: column;
    }

    .news-card-meta {
        display: flex;
        align-items: center;
        gap: 14px;
        font-size: 13px;
        color: var(--text-muted);
        margin-bottom: 12px;
    }

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

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

    .news-card h3 {
        font-size: 18px;
        line-height: 1.5;
        margin-bottom: 10px;
        color: var(--text-main);
        transition: var(--transition);
    }

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

    .news-card p {
        font-size: 14px;
        color: var(--text-muted);
        line-height: 1.7;
        flex: 1;
        margin-bottom: 16px;
        display: -webkit-box;
        -webkit-line-clamp: 3;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

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

    .news-card-link i {
        font-size: 12px;
        transition: transform .25s ease;
    }

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

    /* ===== Timeline Section ===== */
    .timeline-section {
        background: linear-gradient(135deg, var(--bg-dark), #1e293b);
        position: relative;
        overflow: hidden;
    }

    .timeline-section::before {
        content: '';
        position: absolute;
        width: 500px;
        height: 500px;
        border-radius: 50%;
        background: radial-gradient(circle, rgba(37,99,235,.2), transparent 70%);
        top: -150px;
        right: -150px;
    }

    .timeline-section .section-tag {
        background: rgba(255,255,255,.12);
        color: #93c5fd;
    }

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

    .timeline-section .section-head p {
        color: rgba(255,255,255,.6);
    }

    .timeline {
        position: relative;
        max-width: 800px;
        margin: 0 auto;
        padding: 20px 0;
    }

    .timeline::before {
        content: '';
        position: absolute;
        left: 50%;
        top: 0;
        bottom: 0;
        width: 2px;
        background: linear-gradient(to bottom, transparent, rgba(255,255,255,.2), transparent);
        transform: translateX(-50%);
    }

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

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

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

    .timeline-dot {
        position: absolute;
        width: 16px;
        height: 16px;
        background: var(--primary-light);
        border: 3px solid var(--bg-dark);
        border-radius: 50%;
        top: 6px;
        box-shadow: 0 0 0 4px rgba(59,130,246,.3);
    }

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

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

    .timeline-card {
        background: rgba(255,255,255,.08);
        backdrop-filter: blur(10px);
        border: 1px solid rgba(255,255,255,.1);
        border-radius: var(--radius-md);
        padding: 20px;
        transition: var(--transition);
        display: inline-block;
        text-align: left;
        width: 100%;
    }

    .timeline-card:hover {
        background: rgba(255,255,255,.12);
        border-color: rgba(255,255,255,.2);
        transform: translateY(-2px);
    }

    .timeline-date {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 13px;
        font-weight: 600;
        color: #93c5fd;
        margin-bottom: 8px;
    }

    .timeline-card h4 {
        color: #fff;
        font-size: 16px;
        margin-bottom: 8px;
    }

    .timeline-card p {
        font-size: 14px;
        color: rgba(255,255,255,.65);
        line-height: 1.7;
    }

    /* ===== Featured Topics ===== */
    .topics-grid {
        display: grid;
        grid-template-columns: repeat(3, 1fr);
        gap: 28px;
    }

    .topic-card {
        position: relative;
        border-radius: var(--radius-lg);
        overflow: hidden;
        aspect-ratio: 4/3;
        min-height: 240px;
        display: flex;
        align-items: flex-end;
        transition: var(--transition);
    }

    .topic-card img {
        position: absolute;
        inset: 0;
        width: 100%;
        height: 100%;
        object-fit: cover;
        transition: transform .5s ease;
    }

    .topic-card::before {
        content: '';
        position: absolute;
        inset: 0;
        background: linear-gradient(to top, rgba(15,23,42,.9) 0%, rgba(15,23,42,.3) 50%, transparent 100%);
        z-index: 1;
        transition: var(--transition);
    }

    .topic-card:hover img {
        transform: scale(1.08);
    }

    .topic-card:hover::before {
        background: linear-gradient(to top, rgba(15,23,42,.95) 0%, rgba(15,23,42,.4) 50%, transparent 100%);
    }

    .topic-card-content {
        position: relative;
        z-index: 2;
        padding: 24px;
        width: 100%;
    }

    .topic-cat {
        font-size: 12px;
        font-weight: 600;
        color: #93c5fd;
        margin-bottom: 8px;
        display: block;
    }

    .topic-card h3 {
        color: #fff;
        font-size: 20px;
        margin-bottom: 6px;
        line-height: 1.4;
    }

    .topic-card p {
        font-size: 14px;
        color: rgba(255,255,255,.7);
        line-height: 1.6;
        margin-bottom: 14px;
        display: -webkit-box;
        -webkit-line-clamp: 2;
        -webkit-box-orient: vertical;
        overflow: hidden;
    }

    .topic-more {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        color: #fff;
        font-size: 14px;
        font-weight: 600;
    }

    .topic-more i {
        font-size: 12px;
        transition: transform .25s ease;
    }

    .topic-more:hover i {
        transform: translateX(4px);
    }

    /* ===== Stats Section ===== */
    .stats-section {
        background: #fff;
        border-bottom: 1px solid var(--border);
    }

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

    .stat-item {
        text-align: center;
        padding: 20px 16px;
        border-radius: var(--radius-md);
        background: var(--bg-body);
        transition: var(--transition);
    }

    .stat-item:hover {
        background: var(--bg-soft);
        transform: translateY(-2px);
    }

    .stat-icon {
        width: 48px;
        height: 48px;
        background: linear-gradient(135deg, var(--primary), var(--secondary));
        border-radius: 12px;
        display: flex;
        align-items: center;
        justify-content: center;
        color: #fff;
        font-size: 18px;
        margin: 0 auto 14px;
    }

    .stat-number {
        font-size: 32px;
        font-weight: 800;
        color: var(--text-main);
        line-height: 1.2;
        margin-bottom: 4px;
        letter-spacing: -0.02em;
    }

    .stat-label {
        font-size: 14px;
        color: var(--text-muted);
    }

    /* ===== Newsletter CTA ===== */
    .newsletter-section {
        background: linear-gradient(135deg, #1e3a8a, #1d4ed8, #0ea5e9);
        position: relative;
        overflow: hidden;
        padding: 70px 0;
    }

    .newsletter-section::before {
        content: '';
        position: absolute;
        width: 400px;
        height: 400px;
        background: radial-gradient(circle, rgba(255,255,255,.1), transparent 70%);
        top: -100px;
        right: -100px;
        border-radius: 50%;
    }

    .newsletter-inner {
        position: relative;
        z-index: 2;
        max-width: 680px;
        margin: 0 auto;
        text-align: center;
        color: #fff;
    }

    .newsletter-inner h2 {
        color: #fff;
        font-size: 32px;
        margin-bottom: 14px;
        letter-spacing: -0.02em;
    }

    .newsletter-inner p {
        color: rgba(255,255,255,.8);
        font-size: 16px;
        margin-bottom: 30px;
    }

    .newsletter-form {
        display: flex;
        gap: 12px;
        max-width: 460px;
        margin: 0 auto;
        background: rgba(255,255,255,.15);
        border: 1px solid rgba(255,255,255,.2);
        border-radius: 50px;
        padding: 6px;
        backdrop-filter: blur(8px);
    }

    .newsletter-form input {
        flex: 1;
        background: transparent;
        border: none;
        outline: none;
        padding: 12px 20px;
        color: #fff;
        font-size: 15px;
        min-width: 0;
    }

    .newsletter-form input::placeholder {
        color: rgba(255,255,255,.6);
    }

    .newsletter-form button {
        background: #fff;
        color: var(--primary);
        padding: 12px 28px;
        border-radius: 50px;
        font-weight: 600;
        font-size: 15px;
        white-space: nowrap;
        transition: var(--transition);
    }

    .newsletter-form button:hover {
        transform: translateY(-2px);
        box-shadow: 0 8px 20px rgba(0,0,0,.15);
    }

    .form-note {
        font-size: 13px;
        color: rgba(255,255,255,.6);
        margin-top: 12px;
    }

    /* ===== FAQ ===== */
    .faq-section {
        background: #fff;
    }

    .faq-list {
        max-width: 800px;
        margin: 0 auto;
        display: flex;
        flex-direction: column;
        gap: 14px;
    }

    .faq-item {
        border: 1px solid var(--border);
        border-radius: var(--radius-md);
        overflow: hidden;
        background: #fff;
        transition: var(--transition);
    }

    .faq-item:hover {
        border-color: var(--primary-light);
        box-shadow: var(--shadow-sm);
    }

    .faq-item summary {
        padding: 20px 24px;
        cursor: pointer;
        font-size: 16px;
        font-weight: 600;
        color: var(--text-main);
        display: flex;
        align-items: center;
        justify-content: space-between;
        gap: 16px;
        list-style: none;
        transition: var(--transition);
    }

    .faq-item summary::-webkit-details-marker {
        display: none;
    }

    .faq-item summary i {
        color: var(--primary);
        font-size: 16px;
        flex-shrink: 0;
        transition: transform .3s ease;
    }

    .faq-item[open] summary i {
        transform: rotate(45deg);
    }

    .faq-item[open] summary {
        color: var(--primary);
    }

    .faq-answer {
        padding: 0 24px 20px;
        font-size: 15px;
        color: var(--text-body);
        line-height: 1.8;
        border-top: 1px solid var(--border-light);
        padding-top: 16px;
        margin-top: 0;
    }

    .faq-answer p {
        margin-bottom: 10px;
    }

    .faq-answer p:last-child {
        margin-bottom: 0;
    }

    /* ===== Pagination ===== */
    .pagination {
        display: flex;
        justify-content: center;
        align-items: center;
        gap: 8px;
        margin-top: 40px;
    }

    .page-link {
        width: 42px;
        height: 42px;
        display: flex;
        align-items: center;
        justify-content: center;
        border-radius: 10px;
        background: #fff;
        border: 1px solid var(--border);
        font-size: 14px;
        font-weight: 600;
        color: var(--text-body);
        transition: var(--transition);
    }

    .page-link:hover {
        border-color: var(--primary);
        color: var(--primary);
        background: rgba(37,99,235,.04);
    }

    .page-link.active {
        background: var(--primary);
        border-color: var(--primary);
        color: #fff;
        box-shadow: 0 4px 14px rgba(37,99,235,.3);
    }

    .page-link.disabled {
        opacity: .4;
        cursor: not-allowed;
    }

    /* ===== Footer ===== */
    .site-footer {
        background: var(--bg-dark);
        color: rgba(255,255,255,.6);
        padding: 64px 0 0;
    }

    .footer-top {
        display: grid;
        grid-template-columns: 2fr 1fr 1fr;
        gap: 40px;
        padding-bottom: 40px;
        border-bottom: 1px solid rgba(255,255,255,.08);
    }

    .footer-brand .logo {
        color: #fff;
        margin-bottom: 16px;
    }

    .footer-brand p {
        font-size: 14px;
        line-height: 1.8;
        max-width: 340px;
    }

    .footer-col-title {
        color: #fff;
        font-size: 16px;
        font-weight: 600;
        margin-bottom: 20px;
        position: relative;
        padding-bottom: 10px;
    }

    .footer-col-title::after {
        content: '';
        position: absolute;
        left: 0;
        bottom: 0;
        width: 32px;
        height: 3px;
        background: linear-gradient(to right, var(--primary-light), var(--secondary));
        border-radius: 3px;
    }

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

    .footer-links a {
        display: inline-flex;
        align-items: center;
        gap: 8px;
        font-size: 14px;
        color: rgba(255,255,255,.6);
        transition: var(--transition);
    }

    .footer-links a i {
        font-size: 10px;
        color: var(--primary-light);
    }

    .footer-links a:hover {
        color: #fff;
        transform: translateX(4px);
    }

    .footer-bottom {
        padding: 24px 0;
        display: flex;
        align-items: center;
        justify-content: space-between;
        flex-wrap: wrap;
        gap: 12px;
        font-size: 13px;
    }

    .footer-bottom a {
        color: var(--primary-light);
    }

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

    /* ===== Responsive ===== */
    @media (max-width: 1024px) {
        :root {
            --space-section: 64px;
        }

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

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

        .timeline::before {
            left: 20px;
        }

        .timeline-item,
        .timeline-item:nth-child(odd),
        .timeline-item:nth-child(even) {
            width: 100%;
            left: 0;
            text-align: left;
            padding: 0 0 36px 56px;
        }

        .timeline-item:nth-child(odd) .timeline-dot,
        .timeline-item:nth-child(even) .timeline-dot {
            left: 12px;
            right: auto;
        }
    }

    @media (max-width: 768px) {
        :root {
            --space-section: 52px;
        }

        .header-inner {
            height: 64px;
        }

        .main-nav {
            position: fixed;
            top: 64px;
            left: 0;
            right: 0;
            background: #fff;
            flex-direction: column;
            align-items: stretch;
            padding: 16px;
            border-radius: 0;
            border-bottom: 1px solid var(--border);
            box-shadow: var(--shadow-md);
            transform: translateY(-120%);
            visibility: hidden;
            opacity: 0;
            transition: var(--transition);
            z-index: 99;
        }

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

        .nav-item {
            padding: 14px 16px;
            font-size: 15px;
            border-radius: 10px;
        }

        .header-cta {
            display: none;
        }

        .burger {
            display: flex;
        }

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

        .page-hero h1 {
            font-size: 28px;
        }

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

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

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

        .stats-grid {
            gap: 16px;
        }

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

        .newsletter-form {
            flex-direction: column;
            border-radius: var(--radius-md);
            padding: 10px;
        }

        .newsletter-form input {
            text-align: center;
            padding: 12px 16px;
        }

        .newsletter-form button {
            width: 100%;
        }

        .pagination {
            flex-wrap: wrap;
        }
    }

    @media (max-width: 520px) {
        .container {
            padding: 0 16px;
        }

        .logo {
            font-size: 17px;
        }

        .logo-icon {
            width: 36px;
            height: 36px;
            font-size: 16px;
        }

        .page-hero h1 {
            font-size: 24px;
        }

        .hero-meta {
            flex-direction: column;
            gap: 12px;
        }

        .filter-bar {
            flex-wrap: nowrap;
            overflow-x: auto;
            justify-content: flex-start;
            padding-bottom: 8px;
            -webkit-overflow-scrolling: touch;
        }

        .filter-chip {
            white-space: nowrap;
            flex-shrink: 0;
            padding: 8px 16px;
            font-size: 13px;
        }

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

        .news-card h3 {
            font-size: 16px;
        }

        .topic-card {
            min-height: 200px;
        }

        .topic-card h3 {
            font-size: 18px;
        }

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

        .newsletter-inner h2 {
            font-size: 24px;
        }

        .faq-item summary {
            padding: 16px 18px;
            font-size: 15px;
        }

        .faq-answer {
            padding: 0 18px 16px;
            padding-top: 14px;
        }

        .footer-bottom {
            flex-direction: column;
            text-align: center;
        }
    }