/* roulang page: index */
/* ========== 设计变量 ========== */
:root {
  --primary: #2B6CB0;
  --primary-dark: #1A4973;
  --primary-light: #EBF3FB;
  --accent: #10A37F;
  --accent-light: #E6F6F1;
  --warning: #F97316;
  --heading: #172B4A;
  --text: #475569;
  --text-light: #94A3B8;
  --border: rgba(15, 42, 70, 0.08);
  --bg: #FFFFFF;
  --bg-soft: #F6FAFF;
  --bg-blue: #EAF2FB;
  --radius: 14px;
  --radius-sm: 10px;
  --radius-lg: 20px;
  --shadow-sm: 0 4px 16px rgba(15, 42, 70, 0.04);
  --shadow-md: 0 12px 32px rgba(15, 42, 70, 0.08);
  --shadow-lg: 0 24px 60px rgba(15, 42, 70, 0.12);
  --container: 1200px;
  --transition: all 0.3s ease;
}
/* ========== Reset / Base ========== */
*, *::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", "Segoe UI", sans-serif; color: var(--text); background: var(--bg); line-height: 1.6; font-size: 16px; overflow-x: hidden; }
img { max-width: 100%; display: block; object-fit: cover; }
a { color: var(--primary); text-decoration: none; transition: var(--transition); }
a:hover { color: var(--primary-dark); }
button { font-family: inherit; cursor: pointer; border: none; background: none; }
input, textarea { font-family: inherit; outline: none; }
ul, ol { list-style: none; }
h1, h2, h3, h4, h5 { color: var(--heading); line-height: 1.3; font-weight: 700; }
h1 { font-size: clamp(2rem, 4vw, 3.25rem); letter-spacing: -0.02em; }
h2 { font-size: clamp(1.5rem, 2.5vw, 2.125rem); letter-spacing: -0.01em; }
h3 { font-size: 1.125rem; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
section { padding: 80px 0; }
::selection { background: rgba(43, 108, 176, 0.18); }
:focus-visible { outline: 2px solid var(--primary); outline-offset: 3px; }
::-webkit-scrollbar { width: 10px; height: 8px; }
::-webkit-scrollbar-track { background: #f1f5f9; }
::-webkit-scrollbar-thumb { background: #cbd5e1; border-radius: 6px; }
::-webkit-scrollbar-thumb:hover { background: var(--primary); }

/* ========== 按钮 ========== */
.btn { display: inline-flex; align-items: center; justify-content: center; height: 48px; padding: 0 28px; border-radius: var(--radius-sm); font-size: 15px; font-weight: 600; transition: var(--transition); letter-spacing: 0.01em; white-space: nowrap; }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 4px 12px rgba(43, 108, 176, 0.25); }
.btn-primary:hover { background: var(--primary-dark); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 20px rgba(43, 108, 176, 0.32); }
.btn-primary:active { transform: translateY(0); box-shadow: 0 2px 6px rgba(43, 108, 176, 0.2); }
.btn-outline { background: #fff; color: var(--primary); border: 1px solid #c9d9ea; }
.btn-outline:hover { border-color: var(--primary); background: var(--primary-light); color: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 6px 16px rgba(43, 108, 176, 0.12); }
.btn-outline:active { transform: translateY(0); }
.btn-sm { height: 38px; padding: 0 18px; font-size: 14px; }
.btn-lg { height: 54px; padding: 0 36px; font-size: 16px; }
.btn-block { width: 100%; }

/* ========== 徽章 / 标签 ========== */
.badge { display: inline-flex; align-items: center; gap: 4px; padding: 4px 14px; background: var(--primary-light); color: var(--primary); border-radius: 999px; font-size: 12px; font-weight: 600; }
.badge-accent { background: var(--accent-light); color: var(--accent); }
.badge-warning { background: #FEF3E2; color: var(--warning); }

/* ========== Header / Nav ========== */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255, 255, 255, 0.92); backdrop-filter: blur(16px); 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(--heading); letter-spacing: -0.01em; }
.logo:hover { color: var(--heading); }
.logo-icon { width: 36px; height: 36px; background: var(--primary); color: #fff; border-radius: 10px; display: flex; align-items: center; justify-content: center; font-weight: 900; font-size: 18px; box-shadow: 0 4px 12px rgba(43, 108, 176, 0.3); }
.logo-text span { color: var(--primary); }
.main-nav { display: flex; align-items: center; gap: 4px; }
.nav-link { padding: 8px 16px; border-radius: 8px; font-size: 15px; font-weight: 500; color: var(--text); position: relative; }
.nav-link:hover { color: var(--primary); background: var(--bg-soft); }
.nav-link.active { color: var(--primary); background: var(--primary-light); font-weight: 600; }
.nav-link.active::after { content: ''; position: absolute; bottom: 2px; left: 50%; transform: translateX(-50%); width: 20px; height: 3px; border-radius: 3px; background: var(--primary); }
.header-tools { display: flex; align-items: center; gap: 12px; }
.search-box { display: flex; align-items: center; background: #F1F5F9; border-radius: 8px; height: 38px; padding: 0 10px; gap: 8px; width: 200px; border: 1px solid transparent; transition: var(--transition); }
.search-box:focus-within { background: #fff; border-color: var(--primary); width: 260px; box-shadow: 0 0 0 3px rgba(43, 108, 176, 0.12); }
.search-box input { flex: 1; border: none; background: transparent; font-size: 13px; color: var(--heading); }
.search-box input::placeholder { color: var(--text-light); }
.search-box .search-icon { color: var(--text-light); font-size: 14px; }
.search-box .kbd { font-size: 11px; background: #E2E8F0; color: #64748B; border-radius: 4px; padding: 2px 6px; font-weight: 600; }
.quick-btn { display: inline-flex; align-items: center; gap: 6px; height: 38px; padding: 0 14px; border-radius: 8px; background: var(--bg-soft); border: 1px solid var(--border); font-size: 13px; font-weight: 500; color: var(--text); }
.quick-btn:hover { background: var(--primary-light); color: var(--primary); border-color: rgba(43, 108, 176, 0.3); }
.menu-toggle { display: none; width: 40px; height: 40px; border-radius: 8px; background: var(--bg-soft); align-items: center; justify-content: center; font-size: 22px; color: var(--heading); }
.menu-toggle:hover { background: var(--primary-light); }

/* ========== Hero ========== */
.hero { position: relative; background: linear-gradient(135deg, #F6FAFF 0%, #FFFFFF 60%, #EAF2FB 100%); overflow: hidden; padding: 90px 0 80px; }
.hero::before { content: ''; position: absolute; inset: 0; background-image: radial-gradient(rgba(43, 108, 176, 0.08) 1px, transparent 1px); background-size: 24px 24px; pointer-events: none; }
.hero::after { content: ''; position: absolute; width: 500px; height: 500px; border-radius: 50%; background: rgba(43, 108, 176, 0.04); top: -200px; right: -150px; }
.hero .container { position: relative; z-index: 2; display: grid; grid-template-columns: 1.05fr 0.95fr; gap: 60px; align-items: center; }
.hero-content { max-width: 560px; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: #E6F6F1; color: var(--accent); border-radius: 999px; padding: 6px 16px; font-size: 13px; font-weight: 600; margin-bottom: 20px; }
.hero h1 { margin-bottom: 20px; }
.hero h1 .highlight { color: var(--primary); position: relative; white-space: nowrap; }
.hero h1 .highlight::after { content: ''; position: absolute; left: 0; right: 0; bottom: 4px; height: 10px; background: rgba(43, 108, 176, 0.15); border-radius: 4px; z-index: -1; }
.hero-sub { font-size: 17px; color: var(--text); line-height: 1.7; margin-bottom: 32px; max-width: 480px; }
.hero-actions { display: flex; gap: 14px; flex-wrap: wrap; margin-bottom: 40px; }
.hero-trust { display: flex; align-items: center; gap: 20px; flex-wrap: wrap; }
.hero-trust .avatar-stack { display: flex; }
.hero-trust .avatar-stack span { width: 32px; height: 32px; border-radius: 50%; background: var(--primary-light); color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 12px; font-weight: 700; border: 2px solid #fff; margin-left: -6px; }
.hero-trust .avatar-stack span:first-child { margin-left: 0; }
.hero-trust p { font-size: 13px; color: var(--text-light); }
.hero-visual { position: relative; display: flex; justify-content: center; }
.hero-device { position: relative; width: 420px; max-width: 100%; background: #fff; border: 1px solid #E2E8F0; border-radius: var(--radius-lg); box-shadow: var(--shadow-lg); overflow: hidden; aspect-ratio: 4/3; }
.hero-device img { width: 100%; height: 100%; object-fit: cover; }
.hero-device::before { content: ''; position: absolute; top: 0; left: 0; right: 0; height: 40px; background: rgba(255, 255, 255, 0.7); backdrop-filter: blur(2px); z-index: 1; border-bottom: 1px solid rgba(15, 42, 70, 0.05); }
.hero-device .device-bar { position: absolute; top: 12px; left: 50%; transform: translateX(-50%); width: 80px; height: 16px; background: rgba(43, 108, 176, 0.1); border-radius: 999px; z-index: 2; }
.hero-stats { display: grid; grid-template-columns: repeat(3, 1fr); gap: 16px; margin-top: 24px; }
.stat-card { background: rgba(255, 255, 255, 0.8); border: 1px solid var(--border); border-radius: 12px; padding: 14px 12px; text-align: center; box-shadow: var(--shadow-sm); }
.stat-card strong { display: block; font-size: 24px; color: var(--heading); font-weight: 800; }
.stat-card span { font-size: 12px; color: var(--text-light); }
.stat-card .accent-number { color: var(--accent); }

/* ========== 功能轮播 ========== */
.carousel-section { background: #fff; }
.section-head { text-align: center; max-width: 720px; margin: 0 auto 60px; }
.section-head .badge { margin-bottom: 14px; }
.section-head h2 { margin-bottom: 14px; }
.section-head p { font-size: 16px; color: var(--text-light); }
.carousel-wrapper { position: relative; max-width: 900px; margin: 0 auto; }
.carousel-viewport { overflow: hidden; border-radius: var(--radius-lg); }
.carousel-track { display: flex; transition: transform 0.5s ease; }
.carousel-slide { min-width: 100%; }
.carousel-slide .slide-img { border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-md); margin-bottom: 24px; background: var(--bg-soft); aspect-ratio: 16/8; }
.carousel-slide .slide-img img { width: 100%; height: 100%; object-fit: cover; }
.slide-caption { text-align: center; max-width: 560px; margin: 0 auto; }
.slide-caption h3 { font-size: 22px; margin-bottom: 8px; }
.slide-caption p { color: var(--text-light); font-size: 15px; }
.carousel-arrow { position: absolute; top: 45%; transform: translateY(-50%); width: 44px; height: 44px; background: #fff; border: 1px solid var(--border); border-radius: 50%; display: flex; align-items: center; justify-content: center; font-size: 18px; color: var(--heading); box-shadow: var(--shadow-sm); z-index: 5; transition: var(--transition); cursor: pointer; }
.carousel-arrow:hover { background: var(--primary-light); color: var(--primary); box-shadow: var(--shadow-md); }
.carousel-arrow.prev { left: -22px; }
.carousel-arrow.next { right: -22px; }
.carousel-dots { display: flex; justify-content: center; gap: 8px; margin-top: 24px; }
.carousel-dots button { width: 28px; height: 4px; border-radius: 4px; background: #E2E8F0; transition: var(--transition); }
.carousel-dots button.active { background: var(--primary); width: 40px; }

/* ========== 最新资讯 ========== */
.latest-news { background: var(--bg-soft); }
.news-grid { display: grid; grid-template-columns: 1.2fr 0.8fr; gap: 24px; }
.news-featured { display: flex; flex-direction: column; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); transition: var(--transition); }
.news-featured:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.news-featured-img { height: 240px; overflow: hidden; }
.news-featured-img img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.news-featured:hover .news-featured-img img { transform: scale(1.04); }
.news-featured-body { padding: 24px; display: flex; flex-direction: column; gap: 10px; flex: 1; }
.news-featured-body .badge { align-self: flex-start; }
.news-featured-body h3 { font-size: 20px; margin: 0; }
.news-featured-body p { color: var(--text-light); font-size: 14px; line-height: 1.6; flex: 1; }
.news-meta { display: flex; align-items: center; gap: 12px; font-size: 13px; color: var(--text-light); }
.news-list { display: flex; flex-direction: column; gap: 16px; }
.news-item { display: flex; background: #fff; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; box-shadow: var(--shadow-sm); transition: var(--transition); }
.news-item:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); }
.news-item-thumb { width: 130px; min-width: 130px; height: auto; overflow: hidden; background: var(--bg-blue); }
.news-item-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.5s ease; }
.news-item:hover .news-item-thumb img { transform: scale(1.06); }
.news-item-body { padding: 14px 16px; display: flex; flex-direction: column; gap: 6px; flex: 1; }
.news-item-body h4 { font-size: 14px; margin: 0; line-height: 1.4; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-item-body .news-meta { font-size: 12px; margin-top: auto; }
.empty-state { grid-column: 1 / -1; background: #fff; border: 1px dashed var(--border); border-radius: var(--radius); padding: 48px; text-align: center; color: var(--text-light); font-size: 15px; }
.empty-state .empty-icon { display: block; font-size: 36px; margin-bottom: 12px; }
.cat-tabs { display: flex; gap: 10px; margin-bottom: 28px; flex-wrap: wrap; }
.cat-tab { padding: 7px 16px; border-radius: 8px; background: #fff; border: 1px solid var(--border); font-size: 13px; font-weight: 500; color: var(--text); }
.cat-tab:hover { border-color: var(--primary); color: var(--primary); background: var(--primary-light); }

/* ========== 系统要求 ========== */
.requirements { background: var(--bg-blue); }
.requirements .section-head h2 { color: var(--heading); }
.req-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.req-card { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); padding: 28px 24px; text-align: center; box-shadow: var(--shadow-sm); transition: var(--transition); }
.req-card:hover { box-shadow: var(--shadow-md); transform: translateY(-4px); }
.req-icon { width: 56px; height: 56px; margin: 0 auto 16px; border-radius: 14px; background: var(--primary-light); color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 26px; }
.req-card h3 { margin-bottom: 8px; font-size: 17px; }
.req-version { font-size: 26px; font-weight: 800; color: var(--heading); margin-bottom: 6px; letter-spacing: -0.02em; }
.req-desc { font-size: 13px; color: var(--text-light); margin-bottom: 18px; line-height: 1.5; }
.req-link { font-size: 14px; font-weight: 600; }
.req-link:hover { text-decoration: underline; }

/* ========== 评价墙 ========== */
.testimonials { background: #fff; }
.testi-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 24px; }
.testi-card { background: var(--bg-soft); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; transition: var(--transition); display: flex; flex-direction: column; gap: 16px; }
.testi-card:hover { box-shadow: var(--shadow-md); transform: translateY(-2px); background: #fff; }
.testi-head { display: flex; align-items: center; gap: 14px; }
.testi-avatar { width: 44px; height: 44px; border-radius: 50%; background: var(--primary-light); color: var(--primary); display: flex; align-items: center; justify-content: center; font-weight: 700; font-size: 16px; }
.testi-name { font-size: 14px; font-weight: 600; color: var(--heading); }
.testi-role { font-size: 12px; color: var(--text-light); }
.stars { display: flex; gap: 2px; color: #d1d5db; font-size: 15px; }
.stars .filled { color: var(--accent); }
.testi-text { font-size: 14px; color: var(--text); line-height: 1.7; flex: 1; }
.testi-tag { align-self: flex-start; font-size: 12px; color: var(--text-light); background: #fff; padding: 4px 12px; border-radius: 999px; border: 1px solid var(--border); }

/* ========== 下载 CTA ========== */
.download-cta { background: linear-gradient(160deg, #F6FAFF 0%, #FFFFFF 50%, #EAF2FB 100%); position: relative; overflow: hidden; }
.download-cta::before { content: ''; position: absolute; width: 300px; height: 300px; border-radius: 50%; background: rgba(43, 108, 176, 0.05); bottom: -120px; left: -80px; }
.download-wrap { text-align: center; position: relative; z-index: 2; }
.download-wrap h2 { margin-bottom: 14px; }
.download-wrap p { color: var(--text-light); font-size: 16px; margin-bottom: 36px; max-width: 600px; margin-left: auto; margin-right: auto; }
.download-btns { display: flex; justify-content: center; gap: 14px; flex-wrap: wrap; }
.download-btn { display: inline-flex; align-items: center; gap: 10px; background: var(--heading); color: #fff; border-radius: var(--radius-sm); padding: 14px 26px; min-width: 170px; transition: var(--transition); }
.download-btn:hover { background: var(--primary); color: #fff; transform: translateY(-3px); box-shadow: 0 10px 24px rgba(43, 108, 176, 0.3); }
.download-btn .dl-icon { font-size: 24px; }
.download-btn .dl-meta { text-align: left; line-height: 1.2; }
.download-btn .dl-meta small { display: block; font-size: 12px; opacity: 0.8; }
.download-btn .dl-meta strong { font-size: 15px; font-weight: 600; }
.download-note { margin-top: 24px; font-size: 13px; color: var(--text-light); }

/* ========== FAQ ========== */
.faq-section { background: #fff; }
.faq-list { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item { background: #fff; border: 1px solid var(--border); border-radius: var(--radius); overflow: hidden; transition: var(--transition); }
.faq-item:hover { border-color: rgba(43, 108, 176, 0.2); box-shadow: var(--shadow-sm); }
.faq-item.active { background: var(--bg-soft); border-color: rgba(43, 108, 176, 0.2); box-shadow: var(--shadow-sm); }
.faq-question { width: 100%; padding: 20px 24px; display: flex; align-items: center; justify-content: space-between; gap: 16px; font-size: 16px; font-weight: 600; color: var(--heading); text-align: left; }
.faq-question:hover { color: var(--primary); }
.faq-icon { width: 28px; height: 28px; border-radius: 50%; background: var(--primary-light); color: var(--primary); display: flex; align-items: center; justify-content: center; font-size: 16px; flex-shrink: 0; transition: transform 0.3s ease; }
.faq-item.active .faq-icon { transform: rotate(45deg); background: var(--primary); color: #fff; }
.faq-answer { max-height: 0; overflow: hidden; transition: max-height 0.35s ease; }
.faq-answer-inner { padding: 0 24px 20px; color: var(--text); font-size: 15px; line-height: 1.7; }

/* ========== 页脚 ========== */
.site-footer { background: #0F1E2E; color: #A6B8C9; padding: 60px 0 0; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr 1.4fr; gap: 40px; padding-bottom: 44px; }
.footer-brand .logo { color: #fff; margin-bottom: 12px; }
.footer-brand .logo-text span { color: #7FB0DB; }
.footer-brand p { font-size: 14px; line-height: 1.7; max-width: 280px; }
.footer-title { color: #fff; font-size: 15px; font-weight: 600; margin-bottom: 18px; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: #A6B8C9; font-size: 14px; }
.footer-links a:hover { color: #7FB0DB; padding-left: 4px; }
.footer-download-list li { margin-bottom: 8px; }
.footer-download-list a { color: #A6B8C9; font-size: 14px; display: inline-flex; gap: 8px; align-items: center; }
.footer-download-list a:hover { color: #7FB0DB; }
.footer-contact p { font-size: 14px; margin-bottom: 8px; display: flex; align-items: flex-start; gap: 8px; }
.footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.08); padding: 20px 0; display: flex; align-items: center; justify-content: space-between; flex-wrap: wrap; gap: 10px; font-size: 13px; color: #7A8B9E; }
.footer-bottom a { color: #7A8B9E; }
.footer-bottom a:hover { color: #7FB0DB; }

/* ========== 移动端抽屉 ========== */
.mobile-menu { position: fixed; top: 0; right: -320px; width: 300px; height: 100%; background: #fff; z-index: 200; box-shadow: -8px 0 30px rgba(0, 0, 0, 0.1); transition: right 0.35s ease; display: flex; flex-direction: column; padding: 24px; }
.mobile-menu.open { right: 0; }
.mobile-menu-overlay { position: fixed; inset: 0; background: rgba(15, 30, 46, 0.4); z-index: 190; opacity: 0; pointer-events: none; transition: opacity 0.3s ease; }
.mobile-menu-overlay.open { opacity: 1; pointer-events: auto; }
.mobile-menu-close { align-self: flex-end; width: 36px; height: 36px; display: flex; align-items: center; justify-content: center; background: var(--bg-soft); border-radius: 8px; font-size: 20px; color: var(--heading); margin-bottom: 20px; }
.mobile-menu nav { display: flex; flex-direction: column; gap: 4px; }
.mobile-menu .nav-link { padding: 12px 16px; font-size: 15px; }
.mobile-menu .mobile-search { margin-bottom: 16px; }
.mobile-menu .mobile-search .search-box { width: 100%; }
.mobile-menu .btn { margin-top: auto; }

/* ========== 响应式 ========== */
@media (max-width: 1199px) {
  .req-grid { grid-template-columns: 1fr 1fr; }
  .search-box { width: 170px; }
  .search-box:focus-within { width: 220px; }
}
@media (max-width: 1023px) {
  .hero .container { grid-template-columns: 1fr; gap: 40px; }
  .hero-content { max-width: 100%; }
  .hero-visual { order: -1; }
  .hero-device { max-width: 480px; margin: 0 auto; }
  .news-grid { grid-template-columns: 1fr; }
  .news-list { flex-direction: row; flex-wrap: wrap; }
  .news-item { flex: 1 1 calc(50% - 8px); min-width: 260px; }
  .news-item-thumb { width: 100px; min-width: 100px; }
  .testi-grid { grid-template-columns: 1fr 1fr; }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .main-nav, .header-tools .search-box, .header-tools .quick-btn { display: none; }
  .menu-toggle { display: flex; }
}
@media (max-width: 767px) {
  section { padding: 56px 0; }
  .container { padding: 0 16px; }
  .header-inner { height: 62px; }
  .logo-text { font-size: 17px; }
  .logo-icon { width: 32px; height: 32px; font-size: 16px; }
  .hero { padding: 60px 0 50px; }
  .hero h1 { font-size: 28px; }
  .hero-sub { font-size: 15px; }
  .hero-actions .btn { width: 100%; }
  .hero-stats { gap: 10px; }
  .stat-card strong { font-size: 20px; }
  .carousel-arrow { display: none; }
  .carousel-slide .slide-img { aspect-ratio: 4/3; }
  .slide-caption h3 { font-size: 18px; }
  .news-list { flex-direction: column; }
  .news-item { width: 100%; }
  .news-item-thumb { width: 110px; min-width: 110px; }
  .news-featured-img { height: 180px; }
  .req-grid { grid-template-columns: 1fr; }
  .testi-grid { grid-template-columns: 1fr; }
  .download-btns { flex-direction: column; padding: 0 16px; }
  .download-btn { width: 100%; justify-content: center; }
  .footer-grid { grid-template-columns: 1fr; gap: 28px; }
  .footer-bottom { flex-direction: column; text-align: center; }
  .faq-question { padding: 16px 18px; font-size: 15px; }
  .faq-answer-inner { padding: 0 18px 16px; font-size: 14px; }
}

/* roulang page: category1 */
:root {
            --primary: #2B6CB0;
            --primary-dark: #1A4973;
            --primary-light: #EBF1F9;
            --green: #10A37F;
            --orange: #F97316;
            --text-dark: #1E293B;
            --text-body: #475569;
            --text-muted: #94A3B8;
            --bg-light: #F6FAFF;
            --bg-soft: #F1F5F9;
            --border-light: rgba(15, 42, 70, 0.08);
            --card-shadow: 0 4px 16px rgba(15, 42, 70, 0.06);
            --card-shadow-hover: 0 12px 32px rgba(15, 42, 70, 0.12);
            --radius-sm: 8px;
            --radius-md: 14px;
            --radius-lg: 20px;
            --container-width: 1200px;
            --transition-base: all 0.25s ease;
        }

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

        html {
            scroll-behavior: smooth;
            scroll-padding-top: 88px;
        }

        body {
            font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
            font-size: 16px;
            line-height: 1.6;
            color: var(--text-body);
            background: #FFFFFF;
            -webkit-font-smoothing: antialiased;
            -moz-osx-font-smoothing: grayscale;
        }

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

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

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

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

        input {
            font-family: inherit;
        }

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

        .section {
            padding: 80px 0;
        }

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

        .section-heading {
            margin-bottom: 44px;
            text-align: center;
            max-width: 720px;
            margin-left: auto;
            margin-right: auto;
        }

        .section-heading h2 {
            font-size: clamp(1.5rem, 2.5vw, 2.125rem);
            font-weight: 700;
            color: var(--text-dark);
            letter-spacing: -0.02em;
            margin-bottom: 12px;
        }

        .section-heading p {
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text-body);
        }

        .section-heading .eyebrow {
            display: inline-block;
            padding: 4px 14px;
            border-radius: 100px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 0.8125rem;
            font-weight: 600;
            letter-spacing: 0.03em;
            margin-bottom: 12px;
        }

        /* Buttons */
        .btn {
            display: inline-flex;
            align-items: center;
            justify-content: center;
            gap: 8px;
            height: 46px;
            padding: 0 24px;
            border-radius: 10px;
            font-size: 0.9375rem;
            font-weight: 600;
            line-height: 1;
            white-space: nowrap;
            transition: var(--transition-base);
            border: 1.5px solid transparent;
        }

        .btn:focus-visible {
            outline: 2px solid var(--primary);
            outline-offset: 3px;
        }

        .btn-primary {
            background: var(--primary);
            color: #FFFFFF;
            box-shadow: 0 2px 8px rgba(43, 108, 176, 0.25);
        }

        .btn-primary:hover {
            background: var(--primary-dark);
            color: #FFFFFF;
            box-shadow: 0 6px 18px rgba(43, 108, 176, 0.32);
            transform: translateY(-1px);
        }

        .btn-primary:active {
            transform: translateY(0);
            box-shadow: 0 2px 6px rgba(43, 108, 176, 0.2);
        }

        .btn-outline {
            background: #FFFFFF;
            color: var(--primary);
            border-color: var(--primary);
        }

        .btn-outline:hover {
            background: var(--primary-light);
            color: var(--primary-dark);
            border-color: var(--primary-dark);
            transform: translateY(-1px);
        }

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

        .btn-green {
            background: var(--green);
            color: #FFFFFF;
        }

        .btn-green:hover {
            background: #0B8A6B;
            color: #FFFFFF;
            transform: translateY(-1px);
        }

        .btn-lg {
            height: 52px;
            padding: 0 36px;
            font-size: 1rem;
            border-radius: 12px;
        }

        .btn-block-mobile {
            display: inline-flex;
        }

        /* ===== Header / Nav ===== */
        .site-header {
            position: sticky;
            top: 0;
            z-index: 100;
            background: rgba(255, 255, 255, 0.92);
            backdrop-filter: blur(16px);
            border-bottom: 1px solid rgba(15, 42, 70, 0.07);
        }

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

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

        .logo-icon {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            background: var(--primary);
            color: #FFFFFF;
            font-size: 18px;
            font-weight: 800;
            display: flex;
            align-items: center;
            justify-content: center;
            letter-spacing: -0.02em;
        }

        .logo-text {
            font-size: 1.25rem;
            font-weight: 700;
            color: var(--text-dark);
            letter-spacing: -0.01em;
        }

        .logo-text span {
            font-weight: 400;
            color: var(--primary);
        }

        .main-nav {
            display: flex;
            align-items: center;
            gap: 4px;
            flex: 1;
        }

        .nav-link {
            display: inline-block;
            padding: 8px 14px;
            border-radius: 8px;
            font-size: 0.9375rem;
            font-weight: 500;
            color: var(--text-body);
            position: relative;
            transition: var(--transition-base);
        }

        .nav-link:hover {
            background: var(--bg-soft);
            color: var(--primary);
        }

        .nav-link.active {
            background: var(--primary-light);
            color: var(--primary);
            font-weight: 600;
        }

        .nav-link.active::after {
            content: "";
            position: absolute;
            left: 14px;
            right: 14px;
            bottom: 2px;
            height: 2px;
            border-radius: 2px;
            background: var(--primary);
        }

        .nav-cta-group {
            display: flex;
            align-items: center;
            gap: 12px;
            flex-shrink: 0;
        }

        .search-box {
            position: relative;
            width: 210px;
        }

        .search-box input {
            width: 100%;
            height: 38px;
            border: 1.5px solid transparent;
            border-radius: 8px;
            background: var(--bg-soft);
            padding: 0 38px 0 34px;
            font-size: 0.875rem;
            color: var(--text-dark);
            transition: var(--transition-base);
        }

        .search-box input::placeholder {
            color: var(--text-muted);
        }

        .search-box input:hover {
            background: #FFFFFF;
            border-color: rgba(43, 108, 176, 0.2);
        }

        .search-box input:focus {
            outline: none;
            border-color: var(--primary);
            background: #FFFFFF;
            width: 100%;
        }

        .search-icon {
            position: absolute;
            left: 11px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 0.8125rem;
            color: var(--text-muted);
            pointer-events: none;
        }

        .search-kbd {
            position: absolute;
            right: 8px;
            top: 50%;
            transform: translateY(-50%);
            font-size: 0.6875rem;
            color: var(--text-muted);
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            border-radius: 4px;
            padding: 2px 6px;
            pointer-events: none;
            font-family: inherit;
            letter-spacing: 0.02em;
        }

        .icon-btn {
            width: 38px;
            height: 38px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            color: var(--text-body);
            background: transparent;
            transition: var(--transition-base);
            font-size: 0.9375rem;
        }

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

        .header-cta {
            font-size: 0.875rem;
            height: 40px;
            padding: 0 18px;
        }

        .hamburger {
            display: none;
            width: 40px;
            height: 40px;
            border-radius: 10px;
            align-items: center;
            justify-content: center;
            font-size: 1.125rem;
            color: var(--text-dark);
            background: transparent;
            transition: var(--transition-base);
        }

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

        /* Mobile Drawer */
        .mobile-drawer-overlay {
            position: fixed;
            inset: 0;
            background: rgba(15, 23, 42, 0.5);
            z-index: 200;
            opacity: 0;
            visibility: hidden;
            transition: opacity 0.3s ease, visibility 0.3s ease;
        }

        .mobile-drawer-overlay.open {
            opacity: 1;
            visibility: visible;
        }

        .mobile-drawer {
            position: fixed;
            top: 0;
            right: -320px;
            width: 300px;
            height: 100vh;
            background: #FFFFFF;
            z-index: 210;
            padding: 24px;
            display: flex;
            flex-direction: column;
            transition: right 0.3s ease;
            box-shadow: -8px 0 30px rgba(15, 42, 70, 0.12);
        }

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

        .drawer-close {
            align-self: flex-end;
            width: 36px;
            height: 36px;
            border-radius: 10px;
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.125rem;
            color: var(--text-dark);
            background: var(--bg-soft);
            margin-bottom: 18px;
        }

        .drawer-search {
            position: relative;
            margin-bottom: 20px;
        }

        .drawer-search input {
            width: 100%;
            height: 42px;
            border-radius: 10px;
            border: 1.5px solid var(--border-light);
            background: var(--bg-soft);
            padding: 0 14px 0 36px;
            font-size: 0.875rem;
            transition: var(--transition-base);
        }

        .drawer-search input:focus {
            outline: none;
            border-color: var(--primary);
            background: #FFFFFF;
        }

        .drawer-search i {
            position: absolute;
            left: 13px;
            top: 50%;
            transform: translateY(-50%);
            color: var(--text-muted);
            font-size: 0.8125rem;
        }

        .drawer-nav {
            display: flex;
            flex-direction: column;
            gap: 4px;
            flex: 1;
        }

        .drawer-nav .nav-link {
            padding: 12px 14px;
            font-size: 1rem;
            border-radius: 10px;
        }

        .drawer-nav .nav-link.active {
            background: var(--primary-light);
        }

        .drawer-cta {
            margin-top: 16px;
            width: 100%;
        }

        /* ===== Hero ===== */
        .category-hero {
            position: relative;
            padding: 100px 0 90px;
            background: linear-gradient(180deg, #F0F7FF 0%, #FFFFFF 100%);
            overflow: hidden;
        }

        .category-hero::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-1.png');
            background-size: cover;
            background-position: center;
            opacity: 0.08;
        }

        .category-hero::after {
            content: "";
            position: absolute;
            top: 20px;
            right: 10%;
            width: 320px;
            height: 320px;
            border-radius: 50%;
            background: radial-gradient(circle, rgba(43, 108, 176, 0.06) 0%, transparent 70%);
        }

        .category-hero .container {
            position: relative;
            z-index: 2;
            text-align: center;
            max-width: 900px;
        }

        .hero-flag {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 6px 16px;
            border-radius: 100px;
            background: #FFFFFF;
            border: 1px solid var(--border-light);
            box-shadow: 0 2px 8px rgba(15, 42, 70, 0.05);
            font-size: 0.8125rem;
            font-weight: 500;
            color: var(--primary);
            margin-bottom: 20px;
        }

        .hero-flag i {
            font-size: 0.75rem;
        }

        .category-hero h1 {
            font-size: clamp(2rem, 4vw, 3.25rem);
            font-weight: 800;
            color: var(--text-dark);
            letter-spacing: -0.02em;
            line-height: 1.2;
            margin-bottom: 18px;
        }

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

        .category-hero .hero-lead {
            font-size: 1.125rem;
            line-height: 1.8;
            color: var(--text-body);
            max-width: 680px;
            margin: 0 auto 30px;
        }

        .hero-badges {
            display: flex;
            justify-content: center;
            flex-wrap: wrap;
            gap: 12px;
            margin-top: 28px;
        }

        .hero-badge {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 8px 16px;
            background: #FFFFFF;
            border-radius: 100px;
            border: 1px solid var(--border-light);
            font-size: 0.8125rem;
            font-weight: 500;
            color: var(--text-body);
            box-shadow: 0 2px 6px rgba(15, 42, 70, 0.04);
        }

        .hero-badge i {
            color: var(--green);
            font-size: 0.75rem;
        }

        .hero-actions {
            display: flex;
            justify-content: center;
            gap: 16px;
            flex-wrap: wrap;
            margin-top: 34px;
        }

        /* ===== Match Spotlight / 重要场次大卡 ===== */
        .spotlight-section {
            padding: 80px 0 40px;
        }

        .spotlight-card {
            background: var(--text-dark);
            border-radius: var(--radius-lg);
            overflow: hidden;
            position: relative;
            box-shadow: var(--card-shadow-hover);
        }

        .spotlight-bg {
            position: absolute;
            inset: 0;
            background-image: url('/assets/images/coverpic/cover-2.png');
            background-size: cover;
            background-position: center;
            opacity: 0.4;
        }

        .spotlight-content {
            position: relative;
            z-index: 2;
            padding: 48px;
            color: #F8FAFC;
        }

        .spotlight-tag {
            display: inline-block;
            padding: 4px 12px;
            border-radius: 100px;
            background: rgba(255, 255, 255, 0.15);
            border: 1px solid rgba(255, 255, 255, 0.2);
            backdrop-filter: blur(4px);
            font-size: 0.75rem;
            font-weight: 600;
            letter-spacing: 0.05em;
            color: #FFFFFF;
            margin-bottom: 16px;
        }

        .spotlight-teams {
            display: flex;
            align-items: center;
            gap: 24px;
            flex-wrap: wrap;
            margin-bottom: 18px;
        }

        .spotlight-team {
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .spotlight-team-icon {
            width: 50px;
            height: 50px;
            border-radius: 50%;
            background: rgba(255, 255, 255, 0.18);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 1.5rem;
            font-weight: 700;
            color: #FFFFFF;
            letter-spacing: -0.02em;
        }

        .spotlight-team-name {
            font-size: 1.25rem;
            font-weight: 600;
        }

        .spotlight-score {
            font-size: 2rem;
            font-weight: 800;
            color: #FFFFFF;
            font-family: "Inter", "PingFang SC", "Microsoft YaHei", sans-serif;
            letter-spacing: -0.02em;
            padding: 0 8px;
            background: rgba(255, 255, 255, 0.2);
            border-radius: 10px;
        }

        .spotlight-time {
            font-size: 0.9375rem;
            color: rgba(255, 255, 255, 0.75);
            margin-bottom: 18px;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .spotlight-live {
            display: inline-flex;
            align-items: center;
            gap: 6px;
            padding: 4px 12px;
            border-radius: 100px;
            background: rgba(249, 115, 22, 0.9);
            color: #FFFFFF;
            font-size: 0.75rem;
            font-weight: 600;
            margin-left: 8px;
        }

        .spotlight-live i {
            font-size: 0.625rem;
        }

        .spotlight-desc {
            font-size: 1rem;
            line-height: 1.7;
            color: rgba(255, 255, 255, 0.85);
            max-width: 480px;
            margin-bottom: 24px;
        }

        .spotlight-actions {
            display: flex;
            gap: 12px;
            flex-wrap: wrap;
        }

        .btn-light {
            background: #FFFFFF;
            color: var(--text-dark);
            border: none;
        }

        .btn-light:hover {
            background: #F1F5F9;
            color: var(--text-dark);
            transform: translateY(-1px);
        }

        .btn-ghost-white {
            background: rgba(255, 255, 255, 0.12);
            color: #FFFFFF;
            border: 1.5px solid rgba(255, 255, 255, 0.3);
            backdrop-filter: blur(4px);
        }

        .btn-ghost-white:hover {
            background: rgba(255, 255, 255, 0.2);
            color: #FFFFFF;
            border-color: rgba(255, 255, 255, 0.5);
        }

        /* ===== Match List / 赛事列表 ===== */
        .match-list-section {
            padding: 60px 0 80px;
        }

        .match-list-header {
            display: flex;
            align-items: center;
            justify-content: space-between;
            flex-wrap: wrap;
            gap: 16px;
            margin-bottom: 36px;
        }

        .match-list-title {
            font-size: clamp(1.5rem, 2.5vw, 2rem);
            font-weight: 700;
            color: var(--text-dark);
            letter-spacing: -0.02em;
        }

        .match-list-sub {
            color: var(--text-muted);
            font-size: 0.9375rem;
            margin-top: 4px;
        }

        .match-tabs {
            display: flex;
            gap: 6px;
            background: var(--bg-soft);
            border-radius: 12px;
            padding: 4px;
        }

        .match-tab {
            padding: 8px 18px;
            border-radius: 8px;
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--text-body);
            transition: var(--transition-base);
        }

        .match-tab:hover {
            color: var(--primary);
        }

        .match-tab.active {
            background: #FFFFFF;
            color: var(--primary);
            box-shadow: 0 2px 6px rgba(15, 42, 70, 0.08);
            font-weight: 600;
        }

        .match-layout {
            display: grid;
            grid-template-columns: 1fr 1fr;
            gap: 24px;
        }

        .match-item {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--card-shadow);
            padding: 24px;
            transition: var(--transition-base);
            display: flex;
            flex-direction: column;
            gap: 16px;
        }

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

        .match-item-top {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }

        .match-league {
            font-size: 0.8125rem;
            font-weight: 600;
            color: var(--primary);
            background: var(--primary-light);
            padding: 4px 12px;
            border-radius: 100px;
        }

        .match-status {
            font-size: 0.75rem;
            font-weight: 500;
            color: var(--green);
            display: flex;
            align-items: center;
            gap: 5px;
        }

        .match-status i {
            font-size: 0.5rem;
        }

        .match-opponents {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 12px;
        }

        .match-team {
            display: flex;
            align-items: center;
            gap: 10px;
            flex: 1;
            min-width: 0;
        }

        .match-team.right {
            justify-content: flex-end;
        }

        .match-team-avatar {
            width: 28px;
            height: 28px;
            border-radius: 8px;
            background: var(--bg-soft);
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--primary);
            display: flex;
            align-items: center;
            justify-content: center;
            flex-shrink: 0;
            letter-spacing: -0.02em;
        }

        .match-team-name {
            font-size: 0.9375rem;
            font-weight: 600;
            color: var(--text-dark);
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .match-mid-score {
            font-size: 1.5rem;
            font-weight: 700;
            color: var(--text-dark);
            font-family: "Inter", "PingFang SC", "Microsoft YaHei", sans-serif;
            letter-spacing: -0.02em;
            min-width: 72px;
            text-align: center;
            background: var(--bg-light);
            border-radius: 10px;
            padding: 6px 12px;
        }

        .match-bottom {
            display: flex;
            align-items: center;
            justify-content: space-between;
            border-top: 1px solid rgba(15, 42, 70, 0.06);
            padding-top: 14px;
        }

        .match-time {
            font-size: 0.8125rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 6px;
        }

        .match-link {
            font-size: 0.8125rem;
            font-weight: 500;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 4px;
        }

        .match-link:hover {
            color: var(--primary-dark);
            gap: 8px;
        }

        /* ===== 实时通道 ===== */
        .live-now-section {
            padding: 70px 0;
        }

        .live-now-grid {
            display: grid;
            grid-template-columns: repeat(3, 1fr);
            gap: 24px;
        }

        .live-now-card {
            background: #FFFFFF;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--card-shadow);
            padding: 30px;
            transition: var(--transition-base);
            position: relative;
            overflow: hidden;
        }

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

        .live-now-icon {
            width: 52px;
            height: 52px;
            border-radius: 14px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 1.375rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 20px;
        }

        .live-now-card h3 {
            font-size: 1.125rem;
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 10px;
            letter-spacing: -0.01em;
        }

        .live-now-card p {
            font-size: 0.875rem;
            line-height: 1.7;
            color: var(--text-body);
            margin-bottom: 18px;
        }

        .live-now-link {
            font-size: 0.875rem;
            font-weight: 500;
            color: var(--primary);
            display: inline-flex;
            align-items: center;
            gap: 6px;
        }

        .live-now-link:hover {
            gap: 10px;
        }

        /* ===== 赛事数据 ===== */
        .stats-band {
            background: var(--bg-light);
            border-top: 1px solid var(--border-light);
            border-bottom: 1px solid var(--border-light);
            padding: 48px 0;
        }

        .stats-grid {
            display: grid;
            grid-template-columns: repeat(4, 1fr);
            gap: 32px;
            text-align: center;
        }

        .stats-item {
            padding: 20px 16px;
        }

        .stats-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--text-dark);
            font-family: "Inter", "PingFang SC", "Microsoft YaHei", sans-serif;
            letter-spacing: -0.03em;
            line-height: 1.2;
            margin-bottom: 6px;
        }

        .stats-number .unit {
            font-size: 1rem;
            font-weight: 600;
            color: var(--primary);
            margin-left: 2px;
        }

        .stats-label {
            font-size: 0.875rem;
            color: var(--text-body);
        }

        .stats-divider {
            width: 1px;
            height: 48px;
            background: var(--border-light);
            margin: auto;
        }

        /* ===== 预告时间线 ===== */
        .schedule-section {
            padding: 70px 0 80px;
        }

        .schedule-grid {
            display: grid;
            grid-template-columns: repeat(2, 1fr);
            gap: 20px;
            max-width: 960px;
            margin: 0 auto;
        }

        .schedule-item {
            display: flex;
            align-items: flex-start;
            gap: 16px;
            background: #FFFFFF;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--card-shadow);
            padding: 20px 24px;
            transition: var(--transition-base);
        }

        .schedule-item:hover {
            box-shadow: var(--card-shadow-hover);
            transform: translateX(4px);
        }

        .schedule-date {
            flex-shrink: 0;
            text-align: center;
            min-width: 64px;
            padding: 10px 8px;
            background: var(--bg-light);
            border-radius: 12px;
        }

        .schedule-date-day {
            font-size: 1.375rem;
            font-weight: 800;
            color: var(--primary);
            line-height: 1.2;
        }

        .schedule-date-month {
            font-size: 0.75rem;
            color: var(--text-body);
        }

        .schedule-info {
            flex: 1;
            min-width: 0;
        }

        .schedule-league {
            font-size: 0.75rem;
            font-weight: 600;
            color: var(--primary);
            text-transform: uppercase;
            letter-spacing: 0.04em;
            margin-bottom: 2px;
        }

        .schedule-title {
            font-size: 0.9375rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 4px;
            white-space: nowrap;
            overflow: hidden;
            text-overflow: ellipsis;
        }

        .schedule-meta {
            font-size: 0.8125rem;
            color: var(--text-muted);
            display: flex;
            align-items: center;
            gap: 12px;
        }

        .schedule-meta i {
            font-size: 0.75rem;
        }

        .schedule-time {
            display: flex;
            align-items: center;
            gap: 6px;
            font-size: 0.8125rem;
            color: var(--text-body);
            background: var(--bg-soft);
            padding: 4px 10px;
            border-radius: 100px;
            white-space: nowrap;
        }

        .schedule-time i {
            color: var(--green);
        }

        /* ===== 指南 ===== */
        .guide-section {
            padding: 70px 0;
        }

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

        .guide-step {
            position: relative;
            background: #FFFFFF;
            border-radius: var(--radius-md);
            border: 1px solid var(--border-light);
            box-shadow: var(--card-shadow);
            padding: 32px 24px 24px;
            transition: var(--transition-base);
        }

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

        .guide-step::before {
            counter-increment: guide;
            content: "0" counter(guide);
            position: absolute;
            top: 20px;
            right: 22px;
            font-size: 2rem;
            font-weight: 800;
            color: rgba(43, 108, 176, 0.12);
            font-family: "Inter", "PingFang SC", sans-serif;
            letter-spacing: -0.03em;
        }

        .guide-icon {
            width: 44px;
            height: 44px;
            border-radius: 12px;
            background: var(--primary-light);
            color: var(--primary);
            font-size: 1.125rem;
            display: flex;
            align-items: center;
            justify-content: center;
            margin-bottom: 16px;
        }

        .guide-step h3 {
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-dark);
            margin-bottom: 8px;
        }

        .guide-step p {
            font-size: 0.8125rem;
            line-height: 1.6;
            color: var(--text-muted);
        }

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

        .faq-list {
            max-width: 860px;
            margin: 0 auto;
            display: flex;
            flex-direction: column;
            gap: 12px;
        }

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

        .faq-item.active {
            border-color: rgba(43, 108, 176, 0.2);
            box-shadow: var(--card-shadow);
        }

        .faq-question {
            display: flex;
            align-items: center;
            justify-content: space-between;
            gap: 16px;
            padding: 20px 24px;
            cursor: pointer;
            font-size: 1rem;
            font-weight: 600;
            color: var(--text-dark);
            transition: var(--transition-base);
        }

        .faq-question:hover {
            background: var(--bg-light);
        }

        .faq-question h3 {
            font-size: 1rem;
            font-weight: 600;
            flex: 1;
        }

        .faq-icon {
            width: 28px;
            height: 28px;
            border-radius: 50%;
            background: var(--bg-soft);
            color: var(--text-body);
            display: flex;
            align-items: center;
            justify-content: center;
            font-size: 0.875rem;
            transition: var(--transition-base);
            flex-shrink: 0;
        }

        .faq-item.active .faq-icon {
            background: var(--primary-light);
            color: var(--primary);
            transform: rotate(45deg);
        }

        .faq-answer {
            max-height: 0;
            overflow: hidden;
            transition: max-height 0.35s ease;
        }

        .faq-answer-inner {
            padding: 0 24px 20px;
            font-size: 0.9375rem;
            line-height: 1.75;
            color: var(--text-body);
        }

        /* ===== CTA ===== */
        .cta-section {
            padding: 70px 0 80px;
        }

        .cta-box {
            background: linear-gradient(135deg, #FFFFFF 0%, #F0F5FB 100%);
            border-radius: var(--radius-lg);
            border: 1px solid rgba(43, 108, 176, 0.12);
            text-align: center;
            padding: 56px 32px;
            position: relative;
            overflow: hidden;
        }

        .cta-box::before {
            content: "";
            position: absolute;
            top: 0;
            left: 0;
            right: 0;
            bottom: 0;
            background-image: url('/assets/images/backpic/back-2.webp');
            background-size: cover;
            background-position: center;
            opacity: 0.06;
        }

        .cta-inner {
            position: relative;
            z-index: 2;
            max-width: 640px;
            margin: 0 auto;
        }

        .cta-inner h2 {
            font-size: clamp(1.5rem, 2.5vw, 2rem);
            font-weight: 700;
            color: var(--text-dark);
            margin-bottom: 12px;
            letter-spacing: -0.02em;
        }

        .cta-inner p {
            font-size: 1rem;
            line-height: 1.7;
            color: var(--text-body);
            margin-bottom: 28px;
        }

        .cta-buttons {
            display: flex;
            justify-content: center;
            gap: 14px;
            flex-wrap: wrap;
        }

        /* ===== Footer ===== */
        .site-footer {
            background: #101B2D;
            color: #94A3B8;
            padding: 64px 0 0;
            font-size: 0.875rem;
        }

        .footer-grid {
            display: grid;
            grid-template-columns: 1.4fr 1fr 1fr 1.2fr;
            gap: 48px;
            padding-bottom: 48px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.08);
        }

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

        .footer-brand .logo-text {
            color: #E2E8F0;
        }

        .footer-brand .logo-text span {
            color: #7EAED0;
        }

        .footer-brand p {
            font-size: 0.875rem;
            line-height: 1.7;
            color: #94A3B8;
            max-width: 320px;
        }

        .footer-title {
            color: #E2E8F0;
            font-size: 0.9375rem;
            font-weight: 600;
            margin-bottom: 18px;
            letter-spacing: 0.02em;
        }

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

        .footer-links a {
            color: #94A3B8;
            font-size: 0.875rem;
            transition: var(--transition-base);
        }

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

        .footer-download-list {
            list-style: none;
            display: flex;
            flex-direction: column;
            gap: 10px;
        }

        .footer-download-list a {
            color: #94A3B8;
            font-size: 0.875rem;
            transition: var(--transition-base);
        }

        .footer-download-list a:hover {
            color: #FFFFFF;
            padding-left: 4px;
        }

        .footer-contact p {
            margin-bottom: 10px;
            font-size: 0.875rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }

        .footer-bottom {
            padding: 20px 0;
            display: flex;
            justify-content: space-between;
            align-items: center;
            flex-wrap: wrap;
            gap: 12px;
            font-size: 0.8125rem;
        }

        .footer-bottom a {
            color: #94A3B8;
        }

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

        /* ===== 响应式 ===== */
        @media (max-width: 1199.98px) {
            .container {
                padding: 0 20px;
            }

            .search-box {
                width: 160px;
            }

            .live-now-grid {
                gap: 16px;
            }

            .guide-steps {
                gap: 16px;
            }
        }

        @media (max-width: 1023.98px) {
            .section {
                padding: 64px 0;
            }

            .header-inner {
                gap: 16px;
            }

            .search-box {
                width: 140px;
            }

            .search-kbd {
                display: none;
            }

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

            .stats-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 24px;
            }

            .stats-divider {
                display: none;
            }

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

            .schedule-grid {
                grid-template-columns: 1fr;
                max-width: 680px;
            }

            .footer-grid {
                grid-template-columns: repeat(2, 1fr);
                gap: 36px;
            }

            .spotlight-team {
                gap: 8px;
            }

            .spotlight-team-icon {
                width: 38px;
                height: 38px;
                font-size: 1.25rem;
            }

            .spotlight-team-name {
                font-size: 1.0625rem;
            }
        }

        @media (max-width: 767.98px) {
            body {
                font-size: 15px;
            }

            .section {
                padding: 48px 0;
            }

            .container {
                padding: 0 16px;
            }

            .main-nav,
            .search-box,
            .icon-btn,
            .header-cta {
                display: none;
            }

            .hamburger {
                display: flex;
                margin-left: auto;
            }

            .header-inner {
                height: 64px;
            }

            .logo-text {
                font-size: 1.125rem;
            }

            .logo-icon {
                width: 34px;
                height: 34px;
                font-size: 16px;
            }

            .category-hero {
                padding: 64px 0 56px;
            }

            .category-hero h1 {
                font-size: 2rem;
                line-height: 1.25;
            }

            .category-hero .hero-lead {
                font-size: 1rem;
                line-height: 1.65;
            }

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

            .btn-block-mobile {
                width: 100%;
            }

            .hero-badges {
                gap: 8px;
            }

            .hero-badge {
                padding: 6px 12px;
                font-size: 0.75rem;
            }

            .spotlight-section {
                padding: 48px 0 32px;
            }

            .spotlight-content {
                padding: 28px 20px;
            }

            .spotlight-teams {
                flex-direction: column;
                align-items: flex-start;
                gap: 16px;
            }

            .spotlight-score {
                font-size: 1.625rem;
            }

            .spotlight-actions .btn {
                width: 100%;
                justify-content: center;
            }

            .match-list-section {
                padding: 40px 0 56px;
            }

            .match-list-header {
                flex-direction: column;
                align-items: flex-start;
            }

            .match-tabs {
                width: 100%;
                overflow-x: auto;
                white-space: nowrap;
                -webkit-overflow-scrolling: touch;
            }

            .match-layout {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .match-bottom {
                flex-direction: column;
                align-items: flex-start;
                gap: 8px;
            }

            .live-now-section {
                padding: 48px 0;
            }

            .live-now-grid {
                grid-template-columns: 1fr;
                gap: 16px;
            }

            .stats-grid {
                grid-template-columns: 1fr 1fr;
                gap: 16px;
            }

            .stats-number {
                font-size: 1.875rem;
            }

            .schedule-section {
                padding: 48px 0 56px;
            }

            .schedule-item {
                padding: 16px;
                flex-direction: column;
                align-items: stretch;
            }

            .schedule-date {
                display: flex;
                align-items: center;
                gap: 8px;
                padding: 6px 12px;
                min-width: 0;
                width: fit-content;
            }

            .schedule-date-day {
                font-size: 1.125rem;
            }

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

            .guide-steps {
                grid-template-columns: 1fr;
                gap: 16px;
            }

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

            .faq-question {
                padding: 16px;
                font-size: 0.9375rem;
            }

            .faq-answer-inner {
                padding: 0 16px 16px;
                font-size: 0.875rem;
            }

            .cta-section {
                padding: 48px 0 56px;
            }

            .cta-box {
                padding: 40px 20px;
            }

            .cta-buttons .btn {
                width: 100%;
                justify-content: center;
            }

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

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

        @media (max-width: 380px) {
            .match-opponents {
                flex-direction: column;
                align-items: stretch;
            }

            .match-team.right {
                justify-content: flex-start;
            }

            .match-mid-score {
                min-width: auto;
                width: fit-content;
                padding: 6px 16px;
            }
        }

/* roulang page: article */
:root{
  --primary:#2B6CB0;
  --primary-dark:#1A4973;
  --primary-soft:#F6FAFF;
  --primary-border:#E2E8F0;
  --accent:#10A37F;
  --accent-soft:#E9F9F3;
  --warning:#F97316;
  --bg:#FFFFFF;
  --bg-blue:#EAF2FB;
  --text:#1E293B;
  --text-muted:#475569;
  --text-light:#94A3B8;
  --border:rgba(15,42,70,0.06);
  --radius:14px;
  --radius-sm:8px;
  --shadow-sm:0 4px 16px rgba(15,42,70,0.04);
  --shadow-md:0 8px 28px rgba(15,42,70,0.07);
  --shadow-lg:0 12px 36px rgba(15,42,70,0.08);
  --transition:all .25s ease;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{
  font-family:"PingFang SC","Microsoft YaHei","Segoe UI",sans-serif;
  color:var(--text);
  background:var(--bg);
  line-height:1.6;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--primary);text-decoration:none;transition:var(--transition)}
a:hover{color:var(--primary-dark)}
img{max-width:100%;display:block;border-radius:12px}
button,input{font-family:inherit;font-size:inherit;color:inherit}
.container{width:min(1200px,92%);margin:0 auto}
.container-narrow{width:min(760px,92%);margin:0 auto}
section{padding:72px 0}
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:47px;padding:0 26px;border-radius:10px;
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:var(--transition);white-space:nowrap;gap:8px;
}
.btn:active{transform:translateY(1px)}
.btn-primary{background:var(--primary);color:#fff}
.btn-primary:hover{background:var(--primary-dark);color:#fff;box-shadow:0 8px 20px rgba(43,108,176,.25);transform:translateY(-1px)}
.btn-outline{background:#fff;border-color:var(--primary);color:var(--primary)}
.btn-outline:hover{background:var(--primary-soft);border-color:var(--primary-dark);color:var(--primary-dark)}
.btn-ghost{background:var(--primary-soft);color:var(--primary);border-color:transparent}
.btn-ghost:hover{background:var(--bg-blue);color:var(--primary-dark)}
.btn-white{background:#fff;color:var(--primary);border-color:transparent}
.btn-white:hover{background:var(--primary-soft);color:var(--primary-dark);box-shadow:var(--shadow-md)}
.btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:8px}
.btn-lg{height:52px;padding:0 34px;font-size:16px;border-radius:12px}
:focus-visible{outline:3px solid rgba(43,108,176,.35);outline-offset:2px;border-radius:6px}

/* ========== Header ========== */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--primary-border);
}
.header-inner{display:flex;align-items:center;justify-content:space-between;height:68px;gap:20px}
.logo{display:flex;align-items:center;gap:8px;flex-shrink:0}
.logo-icon{
  width:34px;height:34px;border-radius:9px;
  background:var(--primary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:800;font-size:17px;letter-spacing:-.5px;
  box-shadow:0 4px 12px rgba(43,108,176,.25);
}
.logo-text{font-size:19px;font-weight:800;color:var(--text);letter-spacing:-.5px;line-height:1.1}
.logo-text span{color:var(--primary);font-weight:700;margin-left:2px}
.header-right{display:flex;align-items:center;gap:18px;flex:1;justify-content:space-between}
.main-nav{display:flex;align-items:center;gap:6px}
.main-nav .nav-link{
  display:inline-block;padding:8px 14px;font-size:15px;
  font-weight:600;color:var(--text-muted);
  border-radius:8px;transition:var(--transition);
}
.main-nav .nav-link:hover{color:var(--primary);background:var(--primary-soft)}
.main-nav .nav-link.active{
  color:var(--primary);background:var(--bg-blue);
  box-shadow:inset 0 -2px 0 var(--primary);
}
.header-actions{display:flex;align-items:center;gap:12px}
.search-box{
  display:flex;align-items:center;gap:8px;
  background:#F1F5F9;border:1px solid transparent;
  border-radius:8px;height:38px;padding:0 10px;
  width:200px;transition:var(--transition);
}
.search-box:hover{background:#fff;border-color:var(--primary-border)}
.search-box:focus-within{
  background:#fff;border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(43,108,176,.15);
  width:260px;
}
.search-box svg{width:16px;height:16px;stroke:var(--text-light);flex-shrink:0}
.search-box input{
  border:none;outline:none;background:transparent;
  width:100%;font-size:14px;color:var(--text);
}
.search-box input::placeholder{color:var(--text-light)}
.search-box kbd{
  font-size:11px;color:var(--text-light);
  background:var(--bg-blue);border:1px solid var(--primary-border);
  border-radius:4px;padding:1px 6px;font-family:inherit;white-space:nowrap;
}
.quick-entry{
  display:inline-flex;align-items:center;gap:6px;
  height:38px;padding:0 12px;font-size:14px;font-weight:600;
  color:var(--text-muted);background:transparent;border-radius:8px;
  border:1px solid transparent;transition:var(--transition);
}
.quick-entry:hover{background:var(--primary-soft);color:var(--primary);border-color:var(--primary-border)}
.menu-toggle{
  display:none;width:42px;height:42px;border:none;background:transparent;
  border-radius:8px;cursor:pointer;align-items:center;justify-content:center;
  gap:5px;flex-direction:column;transition:var(--transition);
}
.menu-toggle:hover{background:var(--primary-soft)}
.menu-toggle .bar{display:block;width:20px;height:2px;border-radius:2px;background:var(--text);transition:var(--transition)}
.menu-toggle.is-active .bar:nth-child(1){transform:translateY(7px) rotate(45deg)}
.menu-toggle.is-active .bar:nth-child(2){opacity:0}
.menu-toggle.is-active .bar:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ========== Breadcrumb ========== */
.breadcrumb-section{
  background:var(--primary-soft);
  border-bottom:1px solid var(--primary-border);
  padding:22px 0;
}
.breadcrumbs{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:14px;color:var(--text-light)}
.breadcrumbs a{color:var(--primary);font-weight:500}
.breadcrumbs a:hover{color:var(--primary-dark)}
.breadcrumbs .divider{color:var(--text-light);opacity:.6}
.breadcrumbs .current{color:var(--text-muted);font-weight:500;max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ========== Article ========== */
.article-main{padding:64px 0}
.article-post{background:#fff;border-radius:var(--radius);padding:8px 0}
.article-header{margin-bottom:36px}
.article-title{
  font-size:clamp(1.8rem,3.5vw,2.6rem);
  font-weight:800;line-height:1.3;letter-spacing:-.5px;
  color:var(--text);margin-bottom:18px;
}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:14px;color:var(--text-light);font-size:14px}
.meta-cat{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  background:var(--bg-blue);color:var(--primary);border-radius:20px;
  font-size:13px;font-weight:600;
}
.meta-item{display:inline-flex;align-items:center;gap:6px}
.meta-item svg{width:15px;height:15px;stroke:var(--text-light)}
.article-meta-sep{width:1px;height:14px;background:var(--primary-border)}
.article-author{
  display:inline-flex;align-items:center;gap:8px;
  color:var(--text-muted);font-size:14px;
}
.article-author .avatar{
  width:28px;height:28px;border-radius:50%;
  background:var(--primary-soft);color:var(--primary);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;
}
.article-content{font-size:16.5px;line-height:1.8;color:var(--text-muted)}
.article-content h2{
  font-size:clamp(1.3rem,2.2vw,1.6rem);font-weight:700;
  color:var(--text);margin:44px 0 16px;padding-bottom:10px;
  border-bottom:2px solid var(--primary-soft);line-height:1.4;
}
.article-content h3{
  font-size:1.2rem;font-weight:700;color:var(--text);
  margin:32px 0 12px;line-height:1.5;
}
.article-content h4{
  font-size:1.05rem;font-weight:700;color:var(--text);
  margin:26px 0 10px;
}
.article-content p{margin-bottom:18px}
.article-content strong{color:var(--text);font-weight:600}
.article-content a{
  color:var(--primary);font-weight:500;
  border-bottom:1px solid rgba(43,108,176,.3);
}
.article-content a:hover{color:var(--primary-dark);border-bottom-color:var(--primary)}
.article-content ul,.article-content ol{margin:0 0 20px;padding-left:22px}
.article-content ul li,.article-content ol li{margin-bottom:8px}
.article-content ul li::marker{color:var(--primary)}
.article-content ol li::marker{color:var(--primary);font-weight:700}
.article-content blockquote{
  margin:28px 0;padding:20px 22px;
  background:var(--primary-soft);border-left:4px solid var(--primary);
  border-radius:0 12px 12px 0;color:var(--text-muted);
  font-size:15.5px;line-height:1.7;
}
.article-content blockquote p{margin-bottom:0}
.article-content img{
  width:100%;height:auto;border-radius:12px;
  box-shadow:var(--shadow-sm);margin:24px 0;
}
.article-content pre{
  background:#1E293B;color:#F1F5F9;
  border-radius:12px;padding:18px 20px;
  overflow-x:auto;line-height:1.6;font-size:14px;margin:24px 0;
}
.article-content code{
  font-family:Consolas,Monaco,monospace;font-size:.92em;
  background:var(--primary-soft);color:var(--primary-dark);
  border-radius:5px;padding:2px 6px;
}
.article-content pre code{background:transparent;color:inherit;padding:0;border-radius:0}
.article-content table{
  width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;
}
.article-content th{
  background:var(--primary-soft);color:var(--text);
  text-align:left;padding:12px 14px;font-weight:600;
  border:1px solid var(--primary-border);
}
.article-content td{
  padding:11px 14px;border:1px solid var(--primary-border);color:var(--text-muted);
}
.article-content tr:nth-child(even){background:#FAFCFF}
@media(max-width:600px){
  .article-content table{display:block;overflow-x:auto;white-space:nowrap}
}

/* ========== Tags & Back ========== */
.article-footer{margin-top:44px;padding-top:26px;border-top:1px solid var(--primary-border)}
.article-tags{display:flex;align-items:center;flex-wrap:wrap;gap:10px;font-size:14px}
.article-tags .tags-label{color:var(--text-light);font-weight:500}
.article-tags a{
  display:inline-flex;align-items:center;height:30px;
  padding:0 14px;background:var(--primary-soft);color:var(--primary);
  border-radius:20px;font-size:13px;font-weight:600;transition:var(--transition);
}
.article-tags a:hover{background:var(--bg-blue);color:var(--primary-dark);transform:translateY(-1px)}
.article-back{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.article-empty{
  text-align:center;padding:80px 20px;background:var(--primary-soft);
  border-radius:var(--radius);border:1px dashed var(--primary-border);
}
.article-empty h1{font-size:1.8rem;color:var(--text);margin-bottom:10px}
.article-empty p{color:var(--text-muted);margin-bottom:24px;font-size:15px}

/* ========== Related Read ========== */
.related-section{background:var(--primary-soft);padding:64px 0;border-top:1px solid var(--primary-border);border-bottom:1px solid var(--primary-border)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;margin-bottom:32px;gap:16px}
.section-head h2{font-size:clamp(1.4rem,2.4vw,1.9rem);font-weight:800;color:var(--text);letter-spacing:-.3px}
.section-head p{color:var(--text-light);font-size:14px;margin-top:6px}
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.related-card{
  background:#fff;border-radius:var(--radius);overflow:hidden;
  border:1px solid var(--border);box-shadow:var(--shadow-sm);
  transition:var(--transition);display:block;position:relative;
}
.related-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-lg);border-color:var(--primary-border)}
.related-card .thumb{height:148px;overflow:hidden;background:var(--bg-blue)}
.related-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.related-card:hover .thumb img{transform:scale(1.05)}
.related-card .info{padding:18px 20px 20px}
.related-card .info h3{font-size:16px;font-weight:700;color:var(--text);line-height:1.5;margin-bottom:8px;transition:var(--transition)}
.related-card:hover .info h3{color:var(--primary)}
.related-card .info p{font-size:14px;color:var(--text-light);line-height:1.5}

/* ========== CTA ========== */
.article-cta{background:#fff;padding:72px 0}
.cta-box{
  background:linear-gradient(135deg,#F6FAFF 0%,#EAF2FB 100%);
  border:1px solid var(--primary-border);border-radius:20px;
  padding:42px 40px;text-align:center;
}
.cta-box h2{font-size:clamp(1.5rem,2.6vw,2.1rem);font-weight:800;color:var(--text);letter-spacing:-.4px;margin-bottom:10px}
.cta-box p{color:var(--text-muted);font-size:15px;max-width:560px;margin:0 auto 26px}
.cta-buttons{display:flex;justify-content:center;gap:14px;flex-wrap:wrap}
.cta-note{display:flex;justify-content:center;gap:18px;margin-top:18px;font-size:13px;color:var(--text-light);flex-wrap:wrap}
.cta-note span{display:inline-flex;align-items:center;gap:6px}
.cta-note span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}

/* ========== Footer ========== */
.site-footer{background:#0F172A;color:#CBD5E1;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.4fr .8fr .8fr 1fr;gap:36px;padding-bottom:44px}
.footer-brand .logo{margin-bottom:14px}
.footer-brand .logo-icon{background:var(--primary)}
.footer-brand .logo-text{color:#fff;font-weight:800}
.footer-brand .logo-text span{color:#81BFF5}
.footer-brand p{font-size:14px;color:#94A3B8;line-height:1.7;max-width:300px}
.footer-title{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-links{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-links a{color:#94A3B8;font-size:14px;transition:var(--transition)}
.footer-links a:hover{color:#fff;padding-left:4px}
.footer-download-list{list-style:none;display:flex;flex-direction:column;gap:10px}
.footer-download-list a{color:#94A3B8;font-size:14px;transition:var(--transition)}
.footer-download-list a:hover{color:#fff;padding-left:4px}
.footer-contact{font-size:14px;line-height:1.8;color:#94A3B8}
.footer-contact p{margin-bottom:4px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);
  padding:20px 0;display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:10px;font-size:13px;color:#64748B;
}
.footer-bottom a{color:#94A3B8}
.footer-bottom a:hover{color:#fff}

/* ========== Responsive ========== */
@media(max-width:1024px){
  .header-inner{gap:12px}
  .search-box{width:170px}
  .search-box:focus-within{width:200px}
  .quick-entry{display:none}
  .related-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media(max-width:768px){
  section{padding:52px 0}
  .menu-toggle{display:flex}
  .header-right{
    position:fixed;top:0;right:-320px;width:300px;height:100vh;
    background:#fff;box-shadow:-10px 0 40px rgba(15,42,70,.14);
    flex-direction:column;align-items:stretch;justify-content:flex-start;
    padding:70px 24px 30px;gap:22px;
    transition:right .3s ease;z-index:200;
  }
  .header-right.open{right:0}
  .main-nav{flex-direction:column;align-items:flex-start;gap:4px;padding-bottom:18px;border-bottom:1px solid var(--primary-border)}
  .main-nav .nav-link{width:100%;padding:10px 12px;font-size:16px;border-radius:8px}
  .main-nav .nav-link.active{background:var(--primary-soft);box-shadow:none}
  .header-actions{flex-direction:column;align-items:stretch;gap:10px;width:100%}
  .search-box{width:100%;background:var(--primary-soft);border-radius:8px}
  .search-box:focus-within{width:100%}
  .quick-entry{display:inline-flex;justify-content:center;border:1px solid var(--primary-border)}
  .header-actions .btn{width:100%}
  .breadcrumb-section{padding:16px 0}
  .article-main{padding:40px 0}
  .article-meta{flex-wrap:wrap;gap:10px}
  .related-grid{grid-template-columns:1fr}
  .cta-box{padding:32px 22px}
  .cta-buttons .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;text-align:center}
}
@media(max-width:520px){
  .article-title{font-size:1.65rem}
  .article-content{font-size:15.5px}
  .article-content p{margin-bottom:16px}
  .article-content blockquote{padding:16px 18px;font-size:14.5px}
  .cta-buttons{flex-direction:column}
  .cta-note{flex-direction:column;align-items:center;gap:8px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{gap:6px}
  .container{width:min(100% - 28px,1200px)}
  .container-narrow{width:min(100% - 24px,760px)}
}

/* roulang page: category3 */
:root {
  --primary: #2B6CB0;
  --primary-dark: #1A4973;
  --primary-light: #EAF2FB;
  --text-heading: #1E293B;
  --text-body: #475569;
  --text-muted: #94A3B8;
  --bg: #FFFFFF;
  --bg-soft: #F6FAFF;
  --bg-panel: #EAF2FB;
  --accent-green: #10A37F;
  --accent-orange: #F97316;
  --border: rgba(15, 42, 70, 0.06);
  --card-shadow: 0 4px 16px rgba(15, 42, 70, 0.04);
  --card-shadow-hover: 0 12px 32px rgba(15, 42, 70, 0.08);
  --radius-card: 14px;
  --radius-btn: 10px;
  --radius-img: 12px;
  --container-w: 1200px;
  --space-section: 80px;
  --space-section-mobile: 48px;
  --font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: var(--font-family);
  font-size: 16px;
  line-height: 1.6;
  color: var(--text-body);
  background: var(--bg);
  -webkit-font-smoothing: antialiased;
}

a {
  color: var(--primary);
  text-decoration: none;
  transition: color 0.2s ease;
}

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

img {
  max-width: 100%;
  display: block;
  border-radius: var(--radius-img);
}

button, input {
  font-family: inherit;
}

ul, ol {
  list-style: none;
  padding: 0;
}

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

/* ===== 导航 ===== */
.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  border-bottom: 1px solid rgba(15, 42, 70, 0.08);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 8px;
  flex-shrink: 0;
}

.logo-icon {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 34px;
  height: 34px;
  border-radius: 9px;
  background: var(--primary);
  color: #fff;
  font-size: 18px;
  font-weight: 800;
  letter-spacing: -0.5px;
}

.logo-text {
  font-size: 1.25rem;
  font-weight: 700;
  color: var(--text-heading);
  letter-spacing: -0.3px;
}

.logo-text span {
  color: var(--primary);
  font-weight: 700;
}

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

.nav-link {
  position: relative;
  padding: 8px 16px;
  border-radius: 20px;
  font-size: 0.9375rem;
  font-weight: 500;
  color: var(--text-body);
  transition: all 0.2s ease;
}

.nav-link:hover {
  color: var(--primary);
  background: var(--bg-soft);
}

.nav-link.active {
  color: var(--primary);
  background: var(--primary-light);
  font-weight: 600;
}

.header-right {
  display: flex;
  align-items: center;
  gap: 12px;
}

.search-box {
  display: flex;
  align-items: center;
  width: 200px;
  height: 38px;
  padding: 0 10px;
  background: #F1F5F9;
  border: 1px solid transparent;
  border-radius: 8px;
  transition: all 0.25s ease;
}

.search-box:focus-within {
  width: 260px;
  background: #fff;
  border-color: var(--primary);
  outline: 2px solid rgba(43, 108, 176, 0.2);
  outline-offset: 1px;
}

.search-box svg {
  width: 16px;
  height: 16px;
  flex-shrink: 0;
  color: var(--text-muted);
}

.search-box input {
  flex: 1;
  min-width: 0;
  border: none;
  background: transparent;
  font-size: 0.875rem;
  padding: 0 6px;
  color: var(--text-heading);
  outline: none;
}

.search-box input::placeholder {
  color: var(--text-muted);
}

.kbd-hint {
  font-size: 0.6875rem;
  color: var(--text-muted);
  background: #fff;
  border: 1px solid rgba(15, 42, 70, 0.1);
  border-radius: 4px;
  padding: 1px 5px;
  white-space: nowrap;
}

.header-quick {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  width: 38px;
  height: 38px;
  border-radius: 8px;
  background: #F1F5F9;
  color: var(--text-body);
  transition: all 0.2s ease;
}

.header-quick:hover {
  background: var(--primary-light);
  color: var(--primary);
}

.btn-primary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 24px;
  border: 1px solid var(--primary);
  border-radius: var(--radius-btn);
  background: var(--primary);
  color: #fff !important;
  font-size: 0.9375rem;
  font-weight: 600;
  transition: all 0.22s ease;
  cursor: pointer;
}

.btn-primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  box-shadow: 0 6px 18px rgba(43, 108, 176, 0.22);
  transform: translateY(-1px);
}

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

.btn-secondary {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  height: 44px;
  padding: 0 24px;
  border: 1px solid var(--primary);
  border-radius: var(--radius-btn);
  background: #fff;
  color: var(--primary) !important;
  font-size: 0.9375rem;
  font-weight: 600;
  transition: all 0.22s ease;
  cursor: pointer;
}

.btn-secondary:hover {
  background: var(--bg-soft);
  border-color: var(--primary-dark);
  color: var(--primary-dark) !important;
}

.nav-toggle {
  display: none;
  flex-direction: column;
  justify-content: center;
  gap: 5px;
  width: 40px;
  height: 40px;
  padding: 8px 10px;
  border: 1px solid rgba(15, 42, 70, 0.1);
  border-radius: 8px;
  background: #fff;
  cursor: pointer;
}

.nav-toggle span {
  display: block;
  width: 100%;
  height: 2px;
  background: var(--text-heading);
  border-radius: 2px;
  transition: all 0.25s ease;
}

/* ===== Hero ===== */
.page-hero {
  position: relative;
  background: linear-gradient(135deg, #F6FAFF 0%, #FFFFFF 60%);
  padding: 76px 0 72px;
  overflow: hidden;
}

.page-hero::before {
  content: '';
  position: absolute;
  inset: 0;
  background-image: url('/assets/images/backpic/back-2.webp');
  background-size: cover;
  background-position: center;
  opacity: 0.14;
  z-index: 0;
}

.page-hero::after {
  content: '';
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(43, 108, 176, 0.12) 1px, transparent 1px);
  background-size: 24px 24px;
  opacity: 0.35;
  z-index: 0;
}

.hero-inner {
  position: relative;
  z-index: 1;
  max-width: 760px;
}

.hero-badge {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 5px 14px;
  border-radius: 20px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 0.8125rem;
  font-weight: 600;
  margin-bottom: 18px;
}

.page-hero h1 {
  font-size: clamp(2rem, 4vw, 3.25rem);
  font-weight: 800;
  line-height: 1.15;
  color: var(--text-heading);
  letter-spacing: -0.5px;
  margin-bottom: 16px;
}

.page-hero p {
  font-size: 1.0625rem;
  line-height: 1.7;
  color: var(--text-body);
  max-width: 640px;
  margin-bottom: 28px;
}

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

/* ===== 精选专题卡片 ===== */
.section {
  padding: var(--space-section) 0;
}

.section-header {
  max-width: 680px;
  margin-bottom: 40px;
}

.section-header .tagline {
  display: inline-block;
  font-size: 0.8125rem;
  font-weight: 600;
  color: var(--primary);
  text-transform: uppercase;
  letter-spacing: 0.5px;
  margin-bottom: 10px;
}

.section-header h2 {
  font-size: clamp(1.5rem, 2.5vw, 2.125rem);
  font-weight: 700;
  color: var(--text-heading);
  line-height: 1.25;
  letter-spacing: -0.4px;
}

.section-header p {
  font-size: 1rem;
  color: var(--text-body);
  margin-top: 10px;
  line-height: 1.6;
}

.card-grid-3 {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.topic-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  box-shadow: var(--card-shadow);
  overflow: hidden;
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

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

.topic-card .card-img {
  height: 180px;
  overflow: hidden;
}

.topic-card .card-img img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.4s ease;
}

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

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

.topic-tag {
  display: inline-block;
  padding: 3px 10px;
  border-radius: 12px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 0.75rem;
  font-weight: 600;
  margin-bottom: 12px;
}

.topic-card h3 {
  font-size: 1.1875rem;
  font-weight: 700;
  color: var(--text-heading);
  line-height: 1.4;
  margin-bottom: 10px;
}

.topic-card .card-body p {
  font-size: 0.9375rem;
  line-height: 1.6;
  color: var(--text-body);
  margin-bottom: 16px;
}

.card-link {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  font-size: 0.906rem;
  font-weight: 600;
  color: var(--primary);
  transition: gap 0.2s ease;
}

.card-link:hover {
  gap: 10px;
  color: var(--primary-dark);
}

/* ===== 左右交替专题 ===== */
.alt-section {
  background: var(--bg-soft);
  padding: var(--space-section) 0;
}

.alt-grid {
  display: flex;
  flex-direction: column;
  gap: 64px;
}

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

.alt-block.reverse .alt-media {
  order: 2;
}

.alt-block.reverse .alt-content {
  order: 1;
}

.alt-media img {
  width: 100%;
  height: 320px;
  object-fit: cover;
  border-radius: 16px;
  box-shadow: 0 16px 40px rgba(15, 42, 70, 0.1);
}

.alt-content .topic-tag {
  margin-bottom: 12px;
}

.alt-content h2 {
  font-size: clamp(1.375rem, 2vw, 1.75rem);
  font-weight: 700;
  color: var(--text-heading);
  line-height: 1.3;
  margin-bottom: 14px;
  letter-spacing: -0.3px;
}

.alt-content p {
  font-size: 0.968rem;
  line-height: 1.7;
  color: var(--text-body);
  margin-bottom: 18px;
}

.alt-points {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 10px;
  margin-bottom: 22px;
}

.alt-points li {
  display: flex;
  align-items: center;
  gap: 8px;
  font-size: 0.906rem;
  color: var(--text-body);
}

.alt-points li::before {
  content: '';
  width: 6px;
  height: 6px;
  border-radius: 50%;
  background: var(--accent-green);
  flex-shrink: 0;
}

/* ===== 时间线 ===== */
.timeline-section {
  padding: var(--space-section) 0;
}

.timeline {
  position: relative;
  max-width: 780px;
  margin: 0 auto;
  padding: 10px 0;
}

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

.timeline-item {
  position: relative;
  display: flex;
  justify-content: flex-end;
  width: 50%;
  padding-right: 40px;
  margin-bottom: 44px;
}

.timeline-item:nth-child(even) {
  align-self: flex-end;
  justify-content: flex-start;
  width: 50%;
  margin-left: 50%;
  padding-right: 0;
  padding-left: 40px;
}

.timeline-dot {
  position: absolute;
  top: 6px;
  right: -6px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--primary);
  border: 3px solid #fff;
  box-shadow: 0 0 0 3px var(--primary-light);
}

.timeline-item:nth-child(even) .timeline-dot {
  left: -6px;
  right: auto;
}

.timeline-card {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: var(--radius-card);
  padding: 20px 22px;
  box-shadow: var(--card-shadow);
  transition: box-shadow 0.3s ease, transform 0.3s ease;
}

.timeline-card:hover {
  box-shadow: var(--card-shadow-hover);
  transform: translateY(-2px);
}

.timeline-date {
  font-size: 0.8125rem;
  color: var(--text-muted);
  margin-bottom: 8px;
  font-weight: 600;
}

.timeline-card h3 {
  font-size: 1.0625rem;
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 6px;
  line-height: 1.4;
}

.timeline-card p {
  font-size: 0.9375rem;
  color: var(--text-body);
  line-height: 1.6;
}

/* ===== 数据亮点 ===== */
.stats-section {
  background: var(--text-heading);
  padding: 56px 0;
}

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

.stat-item {
  text-align: center;
  padding: 20px 10px;
}

.stat-num {
  font-size: clamp(1.75rem, 3vw, 2.375rem);
  font-weight: 800;
  color: #fff;
  line-height: 1.1;
  letter-spacing: -0.5px;
}

.stat-num small {
  font-size: 1rem;
  font-weight: 600;
  opacity: 0.7;
}

.stat-label {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.65);
  margin-top: 8px;
}

/* ===== CTA下载 ===== */
.cta-section {
  position: relative;
  padding: var(--space-section) 0;
  text-align: center;
  background: var(--bg-soft);
  border-top: 1px solid var(--border);
  border-bottom: 1px solid var(--border);
}

.cta-section h2 {
  font-size: clamp(1.5rem, 2.5vw, 2.125rem);
  font-weight: 700;
  color: var(--text-heading);
  margin-bottom: 12px;
  letter-spacing: -0.4px;
}

.cta-section p {
  font-size: 1rem;
  color: var(--text-body);
  max-width: 560px;
  margin: 0 auto 30px;
}

.cta-buttons {
  display: flex;
  flex-wrap: wrap;
  justify-content: center;
  gap: 14px;
}

.download-btn {
  display: inline-flex;
  align-items: center;
  gap: 10px;
  height: 50px;
  padding: 0 28px;
  border-radius: var(--radius-btn);
  font-size: 0.9375rem;
  font-weight: 600;
  background: #fff;
  border: 1px solid rgba(15, 42, 70, 0.12);
  color: var(--text-heading);
  transition: all 0.22s ease;
  box-shadow: var(--card-shadow);
}

.download-btn i {
  font-size: 1.125rem;
}

.download-btn:hover {
  border-color: var(--primary);
  color: var(--primary);
  box-shadow: var(--card-shadow-hover);
  transform: translateY(-2px);
}

.download-btn.primary {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.download-btn.primary:hover {
  background: var(--primary-dark);
  border-color: var(--primary-dark);
  color: #fff;
}

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

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

.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 12px;
  margin-bottom: 12px;
  overflow: hidden;
  transition: box-shadow 0.25s ease, background 0.25s ease;
}

.faq-item.active {
  background: var(--bg-soft);
  box-shadow: var(--card-shadow);
}

.faq-question {
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  width: 100%;
  padding: 20px 24px;
  background: transparent;
  border: none;
  cursor: pointer;
  text-align: left;
  font-size: 0.968rem;
  font-weight: 600;
  color: var(--text-heading);
  transition: color 0.2s ease;
}

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

.faq-icon {
  flex-shrink: 0;
  width: 24px;
  height: 24px;
  border-radius: 50%;
  background: var(--primary-light);
  color: var(--primary);
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 0.875rem;
  transition: transform 0.25s ease;
}

.faq-item.active .faq-icon {
  transform: rotate(45deg);
  background: var(--primary);
  color: #fff;
}

.faq-answer {
  max-height: 0;
  overflow: hidden;
  transition: max-height 0.3s ease;
}

.faq-answer-inner {
  padding: 0 24px 20px;
  font-size: 0.9375rem;
  line-height: 1.7;
  color: var(--text-body);
}

/* ===== 页脚 ===== */
.site-footer {
  background: #0F2A46;
  color: rgba(255, 255, 255, 0.75);
  padding: 64px 0 0;
}

.site-footer a {
  color: rgba(255, 255, 255, 0.72);
}

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

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

.footer-brand .logo-text {
  color: #fff;
}

.footer-brand .logo-text span {
  color: #6CB2F2;
}

.footer-brand p {
  font-size: 0.875rem;
  line-height: 1.7;
  margin-top: 16px;
  color: rgba(255, 255, 255, 0.6);
  max-width: 320px;
}

.footer-title {
  font-size: 0.875rem;
  font-weight: 700;
  color: #fff;
  margin-bottom: 18px;
  letter-spacing: 0.3px;
}

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

.footer-links a,
.footer-download-list a {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
  transition: color 0.2s ease, padding-left 0.2s ease;
}

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

.footer-contact p {
  font-size: 0.875rem;
  color: rgba(255, 255, 255, 0.6);
  margin-bottom: 10px;
  line-height: 1.6;
}

.footer-bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 12px;
  padding: 20px 0;
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  font-size: 0.8125rem;
  color: rgba(255, 255, 255, 0.5);
}

.footer-bottom a {
  color: rgba(255, 255, 255, 0.6);
}

/* ===== 响应式 ===== */
@media (max-width: 1024px) {
  .card-grid-3 {
    grid-template-columns: repeat(2, 1fr);
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .search-box {
    width: 150px;
  }
  .search-box:focus-within {
    width: 200px;
  }
}

@media (max-width: 767px) {
  .header-inner {
    height: 64px;
  }
  .main-nav {
    position: fixed;
    top: 0;
    right: -100%;
    width: 280px;
    height: 100vh;
    flex-direction: column;
    align-items: flex-start;
    gap: 4px;
    background: #fff;
    padding: 90px 24px 24px;
    box-shadow: -16px 0 40px rgba(15, 42, 70, 0.12);
    transition: right 0.3s ease;
    z-index: 99;
    border-left: 1px solid var(--border);
  }
  .main-nav.open {
    right: 0;
  }
  .nav-link {
    width: 100%;
    border-radius: 8px;
    padding: 12px 14px;
    font-size: 1rem;
  }
  .nav-toggle {
    display: flex;
    z-index: 100;
  }
  .nav-toggle.open span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }
  .nav-toggle.open span:nth-child(2) {
    opacity: 0;
  }
  .nav-toggle.open span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }
  .header-right .search-box,
  .header-right .header-quick {
    display: none;
  }
  .header-right .btn-primary {
    height: 38px;
    padding: 0 16px;
    font-size: 0.875rem;
  }
  .section {
    padding: var(--space-section-mobile) 0;
  }
  .card-grid-3 {
    grid-template-columns: 1fr;
  }
  .alt-grid {
    gap: 40px;
  }
  .alt-block,
  .alt-block.reverse {
    grid-template-columns: 1fr;
    gap: 20px;
  }
  .alt-block.reverse .alt-media {
    order: 1;
  }
  .alt-block.reverse .alt-content {
    order: 2;
  }
  .alt-media img {
    height: 220px;
  }
  .timeline::before {
    left: 12px;
  }
  .timeline-item,
  .timeline-item:nth-child(even) {
    width: 100%;
    margin-left: 0;
    justify-content: flex-start;
    padding-left: 40px;
    padding-right: 0;
  }
  .timeline-item .timeline-dot,
  .timeline-item:nth-child(even) .timeline-dot {
    left: 6px;
    right: auto;
  }
  .stats-grid {
    grid-template-columns: repeat(2, 1fr);
    gap: 12px;
  }
  .cta-buttons {
    flex-direction: column;
    align-items: center;
  }
  .download-btn {
    width: 100%;
    max-width: 340px;
    justify-content: center;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .footer-bottom {
    flex-direction: column;
    text-align: center;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  .page-hero {
    padding: 56px 0 52px;
  }
  .page-hero h1 {
    font-size: 1.75rem;
  }
  .hero-ctas {
    flex-direction: column;
    align-items: stretch;
  }
  .hero-ctas .btn-primary,
  .hero-ctas .btn-secondary {
    width: 100%;
  }
  .alt-points {
    grid-template-columns: 1fr;
  }
  .section-header h2 {
    font-size: 1.375rem;
  }
}

/* roulang page: category2 */
:root {
  --primary: #2B6CB0;
  --primary-dark: #1A4973;
  --primary-light: #EBF2FA;
  --accent: #22C55E;
  --text: #1E293B;
  --text-2: #475569;
  --text-3: #94A3B8;
  --bg-soft: #F6FAFF;
  --border: rgba(15, 42, 70, 0.06);
  --border-strong: #E2E8F0;
  --radius: 14px;
  --radius-sm: 10px;
  --shadow-sm: 0 4px 16px rgba(15, 42, 70, 0.04);
  --shadow-md: 0 12px 32px rgba(15, 42, 70, 0.08);
  --container: 1200px;
}

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

html {
  scroll-behavior: smooth;
}

body {
  font-family: "PingFang SC", "Microsoft YaHei", "Segoe UI", sans-serif;
  color: var(--text);
  background: #fff;
  line-height: 1.6;
  -webkit-font-smoothing: antialiased;
}

a {
  color: inherit;
  text-decoration: none;
}

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

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

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

/* Header */
.site-header {
  position: sticky;
  top: 0;
  z-index: 50;
  background: rgba(255, 255, 255, 0.92);
  backdrop-filter: blur(16px);
  -webkit-backdrop-filter: blur(16px);
  border-bottom: 1px solid var(--border-strong);
}

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

.logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-weight: 800;
  font-size: 20px;
  color: var(--text);
  letter-spacing: 0.5px;
  flex-shrink: 0;
}

.logo-icon {
  display: flex;
  align-items: center;
  justify-content: center;
  width: 36px;
  height: 36px;
  border-radius: 10px;
  background: var(--primary);
  color: #fff;
  font-size: 18px;
  font-weight: 800;
  box-shadow: 0 6px 14px rgba(43, 108, 176, 0.25);
}

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

.main-nav {
  display: flex;
  align-items: center;
  gap: 4px;
  margin: 0 auto;
}

.nav-link {
  padding: 8px 14px;
  border-radius: 8px;
  font-size: 15px;
  font-weight: 500;
  color: var(--text-2);
  transition: all 0.2s;
}

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

.nav-link.active {
  background: var(--primary-light);
  color: var(--primary);
  font-weight: 600;
}

.header-actions {
  display: flex;
  align-items: center;
  gap: 12px;
  margin-left: auto;
}

.search-box {
  display: flex;
  align-items: center;
  gap: 8px;
  width: 220px;
  height: 38px;
  padding: 0 12px;
  background: #F1F5F9;
  border: 1px solid transparent;
  border-radius: 8px;
  transition: all 0.2s;
}

.search-box:focus-within {
  width: 260px;
  background: #fff;
  border-color: var(--primary);
  box-shadow: 0 0 0 3px rgba(43, 108, 176, 0.12);
}

.search-box svg {
  flex-shrink: 0;
  color: var(--text-3);
}

.search-box input {
  flex: 1;
  min-width: 0;
  background: transparent;
  font-size: 14px;
  color: var(--text);
}

.search-box input::placeholder {
  color: var(--text-3);
}

.search-box kbd {
  flex-shrink: 0;
  font-size: 11px;
  color: var(--text-3);
  background: #fff;
  border: 1px solid var(--border-strong);
  border-radius: 4px;
  padding: 2px 6px;
  font-family: inherit;
}

.quick-entry {
  display: flex;
  align-items: center;
  gap: 6px;
  height: 38px;
  padding: 0 14px;
  border-radius: 8px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 14px;
  font-weight: 600;
  transition: all 0.2s;
}

.quick-entry:hover {
  background: var(--primary);
  color: #fff;
  transform: translateY(-1px);
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  height: 44px;
  padding: 0 22px;
  border-radius: 10px;
  font-size: 15px;
  font-weight: 600;
  transition: all 0.22s;
  cursor: pointer;
}

.btn-primary {
  background: var(--primary);
  color: #fff;
  box-shadow: 0 6px 16px rgba(43, 108, 176, 0.24);
}

.btn-primary:hover {
  background: var(--primary-dark);
  transform: translateY(-1px);
  box-shadow: 0 10px 24px rgba(43, 108, 176, 0.3);
}

.btn-primary:active {
  transform: translateY(1px);
}

.btn-ghost {
  background: #fff;
  color: var(--primary);
  border: 1px solid var(--primary);
}

.btn-ghost:hover {
  background: var(--primary-light);
  transform: translateY(-1px);
}

.btn-white {
  background: #fff;
  color: var(--primary);
  box-shadow: 0 6px 16px rgba(15, 42, 70, 0.08);
}

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

.menu-toggle {
  display: none;
  width: 40px;
  height: 40px;
  align-items: center;
  justify-content: center;
  border-radius: 8px;
  background: var(--primary-light);
  color: var(--primary);
  font-size: 20px;
  cursor: pointer;
}

.nav-overlay {
  display: none;
}

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

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

/* Hero */
.page-hero {
  position: relative;
  padding: 88px 0 76px;
  overflow: hidden;
  background: linear-gradient(180deg, #EAF2FB 0%, #F6FAFF 60%, #fff 100%);
}

.page-hero::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: url("/assets/images/backpic/back-2.webp");
  background-size: cover;
  background-position: center;
  opacity: 0.32;
}

.page-hero::after {
  content: "";
  position: absolute;
  inset: 0;
  background: linear-gradient(90deg, rgba(255, 255, 255, 0.94) 0%, rgba(255, 255, 255, 0.8) 45%, rgba(255, 255, 255, 0.4) 100%);
}

.hero-content {
  position: relative;
  z-index: 2;
  max-width: 780px;
}

.hero-eyebrow {
  display: inline-flex;
  padding: 6px 14px;
  border-radius: 99px;
  background: #fff;
  border: 1px solid var(--border-strong);
  font-size: 13px;
  color: var(--primary);
  font-weight: 600;
  box-shadow: var(--shadow-sm);
  margin-bottom: 20px;
}

.page-hero h1 {
  font-size: clamp(2.2rem, 4vw, 3.25rem);
  font-weight: 800;
  letter-spacing: -0.5px;
  margin-bottom: 16px;
  color: var(--text);
}

.page-hero p {
  font-size: 17px;
  color: var(--text-2);
  max-width: 640px;
  margin-bottom: 28px;
}

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

.hero-meta span {
  font-size: 14px;
  color: var(--text-2);
  background: rgba(255, 255, 255, 0.88);
  padding: 8px 16px;
  border-radius: 8px;
  border: 1px solid var(--border-strong);
}

/* Section */
.section {
  padding: 80px 0;
}

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

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

.section-head h2 {
  font-size: clamp(1.6rem, 2.5vw, 2.125rem);
  font-weight: 700;
  margin-bottom: 12px;
  letter-spacing: -0.3px;
}

.section-head p {
  color: var(--text-2);
  font-size: 15px;
}

/* Timeline */
.timeline-wrap {
  position: relative;
  padding-left: 220px;
}

.timeline-wrap::before {
  content: "";
  position: absolute;
  left: 200px;
  top: 6px;
  bottom: 6px;
  width: 2px;
  border-radius: 2px;
  background: linear-gradient(to bottom, var(--primary) 0%, rgba(43, 108, 176, 0.08) 100%);
}

.timeline-item {
  position: relative;
  display: flex;
  gap: 28px;
  margin-bottom: 32px;
}

.timeline-item::before {
  content: "";
  position: absolute;
  left: -27px;
  top: 18px;
  width: 12px;
  height: 12px;
  border-radius: 50%;
  background: var(--primary);
  border: 3px solid #fff;
  box-shadow: 0 0 0 2px rgba(43, 108, 176, 0.2);
}

.timeline-time {
  width: 180px;
  flex-shrink: 0;
  text-align: right;
  padding-top: 6px;
  font-size: 14px;
  color: var(--text-3);
  font-weight: 500;
}

.timeline-time strong {
  display: block;
  font-size: 18px;
  color: var(--primary);
  line-height: 1.4;
}

.timeline-content {
  flex: 1;
  display: flex;
  gap: 20px;
  background: #fff;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 20px;
  box-shadow: var(--shadow-sm);
  transition: box-shadow 0.25s, transform 0.25s;
}

.timeline-content:hover {
  box-shadow: var(--shadow-md);
  transform: translateY(-2px);
}

.timeline-thumb {
  flex-shrink: 0;
  width: 160px;
  height: 110px;
  border-radius: 10px;
  overflow: hidden;
}

.timeline-thumb img {
  width: 100%;
  height: 100%;
  object-fit: cover;
  transition: transform 0.3s;
}

.timeline-content:hover .timeline-thumb img {
  transform: scale(1.05);
}

.timeline-info {
  flex: 1;
  display: flex;
  flex-direction: column;
}

.badge {
  display: inline-flex;
  align-items: center;
  width: fit-content;
  padding: 3px 10px;
  border-radius: 99px;
  font-size: 12px;
  font-weight: 600;
  background: var(--primary-light);
  color: var(--primary);
  margin-bottom: 8px;
}

.timeline-info h3 {
  font-size: 18px;
  font-weight: 700;
  line-height: 1.5;
  margin-bottom: 8px;
  color: var(--text);
}

.timeline-info p {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.7;
  margin-bottom: 12px;
  display: -webkit-box;
  -webkit-line-clamp: 2;
  -webkit-box-orient: vertical;
  overflow: hidden;
}

.timeline-meta {
  display: flex;
  align-items: center;
  justify-content: space-between;
  margin-top: auto;
  font-size: 13px;
  color: var(--text-3);
}

.timeline-meta a {
  color: var(--primary);
  font-weight: 600;
  display: inline-flex;
  align-items: center;
  gap: 4px;
  transition: gap 0.2s;
}

.timeline-meta a:hover {
  gap: 8px;
}

/* Tags */
.tags-wrap {
  display: flex;
  flex-wrap: wrap;
  gap: 12px;
  justify-content: center;
  max-width: 840px;
  margin: 0 auto;
}

.tag-chip {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 10px 18px;
  background: #fff;
  border: 1px solid var(--border-strong);
  border-radius: 99px;
  font-size: 14px;
  font-weight: 500;
  color: var(--text-2);
  transition: all 0.2s;
}

.tag-chip:hover {
  background: var(--primary);
  color: #fff;
  border-color: var(--primary);
  transform: translateY(-2px);
}

.tag-chip em {
  font-style: normal;
  color: var(--primary);
  font-weight: 700;
}

.tag-chip:hover em {
  color: #fff;
}

/* Insights */
.insight-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: 24px;
}

.insight-card {
  background: #fff;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  padding: 32px 28px;
  box-shadow: var(--shadow-sm);
  transition: all 0.25s;
}

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

.insight-icon {
  width: 48px;
  height: 48px;
  border-radius: 12px;
  background: var(--primary-light);
  display: flex;
  align-items: center;
  justify-content: center;
  font-size: 24px;
  margin-bottom: 16px;
}

.insight-card h3 {
  font-size: 18px;
  font-weight: 700;
  margin-bottom: 8px;
}

.insight-card p {
  font-size: 14px;
  color: var(--text-2);
  line-height: 1.7;
}

/* FAQ */
.faq-wrap {
  max-width: 820px;
  margin: 0 auto;
}

.faq-item {
  background: #fff;
  border: 1px solid var(--border-strong);
  border-radius: var(--radius);
  overflow: hidden;
  margin-bottom: 12px;
  transition: border 0.2s;
}

.faq-item[open] {
  border-color: var(--primary);
  background: var(--bg-soft);
}

.faq-item summary {
  cursor: pointer;
  list-style: none;
  display: flex;
  align-items: center;
  padding: 20px;
  font-size: 17px;
  font-weight: 600;
  color: var(--text);
  gap: 12px;
}

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

.faq-item summary::after {
  content: "+";
  margin-left: auto;
  font-size: 24px;
  color: var(--primary);
  transition: transform 0.25s;
  line-height: 1;
}

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

.faq-item p {
  padding: 0 20px 20px;
  color: var(--text-2);
  font-size: 15px;
  line-height: 1.7;
}

/* CTA */
.cta-box {
  background: linear-gradient(180deg, #EAF2FB 0%, #F6FAFF 100%);
  border-radius: 24px;
  padding: 64px 48px;
  text-align: center;
  position: relative;
  overflow: hidden;
  border: 1px solid var(--border-strong);
}

.cta-box::before {
  content: "";
  position: absolute;
  inset: 0;
  background-image: radial-gradient(rgba(43, 108, 176, 0.1) 1px, transparent 1px);
  background-size: 22px 22px;
}

.cta-box > * {
  position: relative;
  z-index: 2;
}

.cta-box h2 {
  font-size: clamp(1.75rem, 3vw, 2.5rem);
  font-weight: 800;
  margin-bottom: 14px;
  letter-spacing: -0.3px;
}

.cta-desc {
  font-size: 16px;
  color: var(--text-2);
  max-width: 640px;
  margin: 0 auto 32px;
}

.btn-group {
  display: flex;
  flex-wrap: wrap;
  gap: 14px;
  justify-content: center;
}

/* Footer */
.site-footer {
  background: #fff;
  border-top: 1px solid var(--border-strong);
  padding: 60px 0 24px;
}

.footer-grid {
  display: grid;
  grid-template-columns: 2fr 1fr 1fr 1.4fr;
  gap: 48px;
  margin-bottom: 40px;
}

.footer-brand p {
  color: var(--text-2);
  font-size: 14px;
  margin: 16px 0 0;
  max-width: 320px;
  line-height: 1.7;
}

.footer-title {
  font-size: 15px;
  font-weight: 700;
  margin-bottom: 16px;
  color: var(--text);
}

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

.footer-links a,
.footer-download-list a {
  color: var(--text-2);
  font-size: 14px;
  transition: color 0.2s;
}

.footer-links a:hover,
.footer-download-list a:hover {
  color: var(--primary);
}

.footer-contact p {
  font-size: 14px;
  color: var(--text-2);
  margin-bottom: 8px;
}

.footer-bottom {
  border-top: 1px solid var(--border-strong);
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  gap: 16px;
  flex-wrap: wrap;
  font-size: 13px;
  color: var(--text-3);
}

.footer-bottom a {
  color: var(--text-3);
  transition: color 0.2s;
}

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

/* Responsive */
@media (max-width: 1024px) {
  .search-box {
    width: 170px;
  }

  .search-box:focus-within {
    width: 200px;
  }

  .nav-link {
    padding: 8px 10px;
    font-size: 14px;
  }

  .quick-entry {
    padding: 0 10px;
    font-size: 13px;
  }

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

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

@media (max-width: 820px) {
  .menu-toggle {
    display: inline-flex;
    align-items: center;
    justify-content: center;
  }

  .main-nav {
    position: fixed;
    top: 0;
    right: 0;
    bottom: 0;
    width: 300px;
    background: #fff;
    flex-direction: column;
    align-items: flex-start;
    justify-content: flex-start;
    gap: 4px;
    padding: 24px;
    box-shadow: -12px 0 32px rgba(15, 42, 70, 0.12);
    transform: translateX(100%);
    transition: transform 0.3s ease;
    margin: 0;
    border-left: 1px solid var(--border-strong);
    z-index: 100;
    overflow-y: auto;
  }

  .main-nav.open {
    transform: translateX(0);
  }

  .nav-link {
    width: 100%;
    padding: 12px 14px;
    font-size: 16px;
  }

  .mobile-nav-search {
    display: flex;
    align-items: center;
    gap: 8px;
    width: 100%;
    height: 42px;
    padding: 0 12px;
    background: #F1F5F9;
    border-radius: 8px;
    margin-bottom: 20px;
  }

  .mobile-nav-search input {
    flex: 1;
    min-width: 0;
    background: transparent;
    font-size: 14px;
    color: var(--text);
  }

  .mobile-nav-search input::placeholder {
    color: var(--text-3);
  }

  .mobile-nav-cta {
    display: block;
    width: 100%;
    margin-top: 24px;
    padding-top: 16px;
    border-top: 1px solid var(--border-strong);
  }

  .mobile-nav-cta .btn {
    width: 100%;
  }

  .nav-overlay.show {
    display: block;
    position: fixed;
    inset: 0;
    background: rgba(15, 42, 70, 0.3);
    z-index: 90;
  }

  .header-inner {
    gap: 12px;
    height: 64px;
  }

  .header-actions .search-box {
    display: none;
  }

  .quick-entry {
    display: none;
  }

  .header-actions .btn {
    height: 40px;
    padding: 0 16px;
    font-size: 14px;
  }

  .logo-text {
    font-size: 18px;
  }
}

@media (max-width: 767px) {
  .container {
    padding: 0 16px;
  }

  .page-hero {
    padding: 56px 0 48px;
  }

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

  .section {
    padding: 56px 0;
  }

  .section-head {
    margin-bottom: 32px;
  }

  .timeline-wrap {
    padding-left: 0;
  }

  .timeline-wrap::before {
    left: 16px;
  }

  .timeline-item {
    flex-direction: column;
    gap: 6px;
    padding-left: 48px;
  }

  .timeline-item::before {
    left: 12px;
    top: 14px;
  }

  .timeline-time {
    width: auto;
    text-align: left;
    font-size: 13px;
  }

  .timeline-time strong {
    font-size: 16px;
  }

  .timeline-content {
    flex-direction: column;
    padding: 16px;
  }

  .timeline-thumb {
    width: 100%;
    height: 140px;
  }

  .timeline-info h3 {
    font-size: 17px;
  }

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

  .cta-box {
    padding: 44px 24px;
  }

  .btn-group .btn {
    width: 100%;
    height: 48px;
  }

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

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

  .hero-meta span {
    font-size: 13px;
    padding: 6px 12px;
  }
}