/* roulang page: index */
:root {
  --primary: #e63946;
  --primary-dark: #c1121f;
  --primary-light: #ff6b7a;
  --navy: #1d3557;
  --navy-light: #2a4a7f;
  --navy-dark: #0f1d33;
  --text: #1e293b;
  --text-light: #64748b;
  --text-mute: #94a3b8;
  --bg-white: #ffffff;
  --bg-gray: #f8fafc;
  --border: #e2e8f0;
  --radius-sm: 8px;
  --radius: 16px;
  --radius-lg: 24px;
  --shadow-sm: 0 1px 3px rgba(15,23,42,0.06);
  --shadow: 0 4px 20px rgba(15,23,42,0.07);
  --shadow-lg: 0 12px 40px rgba(15,23,42,0.12);
  --container: 1200px;
}
*, *::before, *::after { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { font-family: -apple-system, BlinkMacSystemFont, "PingFang SC", "Hiragino Sans GB", "Microsoft YaHei", "Segoe UI", Roboto, sans-serif; color: var(--text); background: var(--bg-white); line-height: 1.6; margin: 0; }
img { max-width: 100%; height: auto; display: block; }
a { color: inherit; text-decoration: none; transition: color .2s ease; }
button { cursor: pointer; border: none; background: none; font-family: inherit; }
input, textarea { font-family: inherit; outline: none; }
ul, ol { list-style: none; margin: 0; padding: 0; }
.container { max-width: var(--container); margin: 0 auto; padding-left: 24px; padding-right: 24px; }
.section { padding: 96px 0; }
.section-gray { background: var(--bg-gray); }
.section-head { max-width: 640px; margin: 0 auto 56px; text-align: center; }
.section-head .eyebrow { display: inline-flex; align-items: center; gap: 8px; background: rgba(230,57,70,0.08); color: var(--primary); font-size: 13px; font-weight: 600; padding: 6px 18px; border-radius: 999px; letter-spacing: 1px; margin-bottom: 16px; }
.section-head h2 { font-size: 36px; font-weight: 800; color: var(--navy); line-height: 1.2; margin: 0 0 16px; letter-spacing: -0.02em; }
.section-head p { font-size: 16px; color: var(--text-light); margin: 0; }

/* 顶部导航 */
.site-header { position: sticky; top: 0; z-index: 100; background: rgba(255,255,255,0.92); backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border-bottom: 1px solid var(--border); }
.header-top { max-width: var(--container); margin: 0 auto; padding: 14px 24px; display: flex; align-items: center; justify-content: space-between; gap: 24px; }
.logo-wrap { display: flex; align-items: center; gap: 10px; }
.logo-badge { width: 42px; height: 42px; border-radius: 12px; background: linear-gradient(135deg, var(--primary), var(--primary-dark)); display: flex; align-items: center; justify-content: center; color: #fff; font-size: 20px; font-weight: 800; box-shadow: 0 4px 14px rgba(230,57,70,0.3); }
.logo-text { font-size: 20px; font-weight: 800; color: var(--navy); letter-spacing: -0.02em; }
.logo-text span { color: var(--primary); }
.header-search { flex: 1; max-width: 420px; display: flex; align-items: center; background: var(--bg-gray); border: 1px solid var(--border); border-radius: 999px; padding: 8px 16px; transition: all .2s; }
.header-search:focus-within { border-color: var(--primary); box-shadow: 0 0 0 3px rgba(230,57,70,0.1); }
.header-search input { flex: 1; border: none; background: none; font-size: 14px; color: var(--text); padding: 0; }
.header-search input::placeholder { color: var(--text-mute); }
.header-search button { color: var(--text-light); font-size: 14px; padding: 0 0 0 8px; transition: color .2s; }
.header-search button:hover { color: var(--primary); }
.header-actions { display: flex; align-items: center; gap: 14px; }
.header-cta { background: var(--primary); color: #fff; padding: 9px 22px; border-radius: 999px; font-size: 14px; font-weight: 600; transition: all .2s; box-shadow: 0 2px 8px rgba(230,57,70,0.25); }
.header-cta:hover { background: var(--primary-dark); box-shadow: 0 4px 14px rgba(230,57,70,0.35); transform: translateY(-1px); }
.header-icon-btn { width: 38px; height: 38px; border-radius: 50%; background: var(--bg-gray); border: 1px solid var(--border); display: none; align-items: center; justify-content: center; color: var(--text-light); font-size: 16px; transition: all .2s; }
.header-icon-btn:hover { background: var(--primary); border-color: var(--primary); color: #fff; }

.nav-bar { max-width: var(--container); margin: 0 auto; padding: 0 24px; }
.nav-tabs { display: flex; gap: 4px; overflow-x: auto; -webkit-overflow-scrolling: touch; scrollbar-width: none; }
.nav-tabs::-webkit-scrollbar { display: none; }
.nav-tab { display: inline-flex; align-items: center; gap: 8px; padding: 10px 20px; font-size: 15px; font-weight: 500; color: var(--text-light); border-radius: 999px; white-space: nowrap; border: 1px solid transparent; transition: all .2s; }
.nav-tab i { font-size: 14px; }
.nav-tab:hover { color: var(--primary); background: rgba(230,57,70,0.06); }
.nav-tab.active { color: var(--primary); background: rgba(230,57,70,0.1); font-weight: 600; border-color: rgba(230,57,70,0.15); }

/* Hero */
.hero { position: relative; min-height: 640px; display: flex; align-items: center; background-size: cover; background-position: center; background-image: url('/assets/images/backpic/back-1.png'); isolation: isolate; }
.hero::before { content: ''; position: absolute; inset: 0; background: linear-gradient(105deg, rgba(15,23,42,0.85) 0%, rgba(29,53,87,0.7) 50%, rgba(15,23,42,0.35) 100%); z-index: -1; }
.hero-content { max-width: 680px; padding: 60px 24px; color: #fff; }
.hero-badge { display: inline-flex; align-items: center; gap: 8px; background: rgba(255,255,255,0.15); backdrop-filter: blur(8px); border: 1px solid rgba(255,255,255,0.2); padding: 7px 18px; border-radius: 999px; font-size: 13px; font-weight: 500; letter-spacing: 0.5px; margin-bottom: 24px; }
.hero-badge i { color: #f4a261; }
.hero h1 { font-size: 52px; font-weight: 900; line-height: 1.15; margin: 0 0 20px; letter-spacing: -0.03em; }
.hero h1 .accent { color: var(--primary-light); position: relative; }
.hero-desc { font-size: 18px; line-height: 1.7; color: rgba(255,255,255,0.85); margin: 0 0 36px; max-width: 520px; }
.hero-actions { display: flex; flex-wrap: wrap; gap: 16px; }
.btn { display: inline-flex; align-items: center; gap: 10px; padding: 14px 28px; border-radius: 999px; font-size: 15px; font-weight: 600; transition: all .25s; border: 2px solid transparent; }
.btn i { font-size: 14px; }
.btn-primary { background: var(--primary); color: #fff; box-shadow: 0 4px 18px rgba(230,57,70,0.35); }
.btn-primary:hover { background: var(--primary-dark); box-shadow: 0 8px 24px rgba(230,57,70,0.45); transform: translateY(-2px); }
.btn-outline { background: transparent; border-color: rgba(255,255,255,0.6); color: #fff; }
.btn-outline:hover { background: rgba(255,255,255,0.1); border-color: #fff; transform: translateY(-2px); }
.hero-stats { display: flex; gap: 32px; margin-top: 48px; padding-top: 32px; border-top: 1px solid rgba(255,255,255,0.15); }
.hero-stat { display: flex; flex-direction: column; }
.hero-stat .num { font-size: 28px; font-weight: 800; color: #fff; }
.hero-stat .label { font-size: 13px; color: rgba(255,255,255,0.7); }

/* 数据统计 */
.stats-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.stat-card { background: var(--bg-white); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 36px 28px; text-align: center; transition: all .25s; position: relative; overflow: hidden; }
.stat-card::after { content: ''; position: absolute; bottom: 0; left: 0; right: 0; height: 4px; background: linear-gradient(90deg, var(--primary), var(--primary-light)); border-radius: 0 0 16px 16px; opacity: 0; transition: opacity .3s; }
.stat-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(230,57,70,0.15); }
.stat-card:hover::after { opacity: 1; }
.stat-icon { width: 56px; height: 56px; border-radius: 16px; background: linear-gradient(135deg, rgba(230,57,70,0.1), rgba(230,57,70,0.05)); display: flex; align-items: center; justify-content: center; margin: 0 auto 18px; font-size: 22px; color: var(--primary); }
.stat-number { font-size: 38px; font-weight: 800; color: var(--navy); line-height: 1.2; letter-spacing: -0.02em; }
.stat-number span { font-size: 20px; font-weight: 600; color: var(--text-light); margin-left: 2px; }
.stat-label { font-size: 14px; color: var(--text-light); margin-top: 8px; }

/* 分类卡片 */
.cat-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.cat-card { position: relative; border-radius: var(--radius-lg); overflow: hidden; min-height: 320px; display: block; isolation: isolate; box-shadow: var(--shadow); transition: all .3s; }
.cat-card:hover { transform: translateY(-8px); box-shadow: var(--shadow-lg); }
.cat-card img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; transition: transform .5s; }
.cat-card:hover img { transform: scale(1.05); }
.cat-card::before { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(15,23,42,0.85) 0%, rgba(15,23,42,0.2) 50%, transparent 100%); z-index: -1; }
.cat-content { position: absolute; bottom: 0; left: 0; right: 0; padding: 28px; color: #fff; }
.cat-tag { display: inline-block; background: rgba(230,57,70,0.9); color: #fff; font-size: 12px; font-weight: 600; padding: 4px 14px; border-radius: 999px; margin-bottom: 14px; letter-spacing: 0.5px; }
.cat-content h3 { font-size: 22px; font-weight: 700; margin: 0 0 8px; }
.cat-content p { font-size: 14px; line-height: 1.6; color: rgba(255,255,255,0.8); margin: 0 0 16px; }
.cat-link { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 600; color: #fff; border-bottom: 2px solid var(--primary-light); padding-bottom: 2px; transition: all .2s; }
.cat-link:hover { color: var(--primary-light); gap: 10px; }

/* 资讯列表 */
.news-grid { display: grid; grid-template-columns: repeat(2, 1fr); gap: 28px; }
.news-item { background: var(--bg-white); border: 1px solid var(--border); border-radius: var(--radius); padding: 28px; display: flex; flex-direction: column; transition: all .25s; }
.news-item:hover { transform: translateY(-4px); box-shadow: var(--shadow); border-color: rgba(230,57,70,0.15); }
.news-meta { display: flex; align-items: center; gap: 12px; margin-bottom: 12px; }
.news-cat { background: rgba(230,57,70,0.08); color: var(--primary); font-size: 12px; font-weight: 600; padding: 4px 12px; border-radius: 999px; }
.news-date { font-size: 13px; color: var(--text-mute); display: flex; align-items: center; gap: 4px; }
.news-title { font-size: 18px; font-weight: 700; color: var(--navy); line-height: 1.4; margin: 0 0 10px; transition: color .2s; }
.news-item:hover .news-title { color: var(--primary); }
.news-desc { font-size: 14px; color: var(--text-light); line-height: 1.65; margin: 0 0 16px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.news-more { display: inline-flex; align-items: center; gap: 6px; font-size: 14px; font-weight: 600; color: var(--primary); margin-top: auto; transition: gap .2s; }
.news-more:hover { gap: 10px; }
.empty-tip { grid-column: 1 / -1; text-align: center; padding: 60px 20px; color: var(--text-light); font-size: 16px; background: var(--bg-gray); border-radius: var(--radius); border: 1px dashed var(--border); }

/* 运动指南 */
.steps-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 28px; }
.step-card { background: var(--bg-white); border: 1px solid var(--border); border-radius: var(--radius-lg); padding: 40px 32px; text-align: center; position: relative; transition: all .25s; }
.step-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); }
.step-num { width: 48px; height: 48px; border-radius: 50%; background: linear-gradient(135deg, var(--primary), var(--primary-dark)); color: #fff; font-size: 18px; font-weight: 800; display: flex; align-items: center; justify-content: center; margin: 0 auto 24px; box-shadow: 0 6px 16px rgba(230,57,70,0.3); }
.step-card h3 { font-size: 20px; font-weight: 700; color: var(--navy); margin: 0 0 12px; }
.step-card p { font-size: 14px; color: var(--text-light); line-height: 1.7; margin: 0; }
.step-arrow { display: none; }

/* 精彩推荐 */
.feature-grid { display: grid; grid-template-columns: 1.2fr 1fr; gap: 28px; }
.feature-main { position: relative; border-radius: var(--radius-lg); overflow: hidden; min-height: 420px; display: block; isolation: isolate; }
.feature-main img { position: absolute; inset: 0; width: 100%; height: 100%; object-fit: cover; z-index: -2; transition: transform .5s; }
.feature-main:hover img { transform: scale(1.03); }
.feature-main::before { content: ''; position: absolute; inset: 0; background: linear-gradient(to top, rgba(15,23,42,0.88) 0%, rgba(15,23,42,0.1) 60%, transparent 100%); z-index: -1; }
.feature-main .feature-content { position: absolute; bottom: 0; left: 0; right: 0; padding: 32px; }
.feature-main .feature-tag { display: inline-block; background: var(--primary); color: #fff; font-size: 12px; font-weight: 600; padding: 4px 14px; border-radius: 999px; margin-bottom: 12px; }
.feature-main h3 { font-size: 26px; font-weight: 800; color: #fff; line-height: 1.3; margin: 0 0 10px; }
.feature-main p { font-size: 14px; color: rgba(255,255,255,0.8); margin: 0 0 16px; line-height: 1.6; }
.feature-list { display: grid; grid-template-rows: repeat(2, 1fr); gap: 28px; }
.feature-card { background: var(--bg-white); border: 1px solid var(--border); border-radius: var(--radius-lg); display: flex; overflow: hidden; transition: all .25s; }
.feature-card:hover { box-shadow: var(--shadow); transform: translateY(-4px); }
.feature-card img { width: 140px; height: 100%; object-fit: cover; flex-shrink: 0; }
.feature-card .fc-body { padding: 22px 20px; display: flex; flex-direction: column; justify-content: center; }
.feature-card .fc-tag { font-size: 12px; color: var(--primary); font-weight: 600; margin-bottom: 6px; display: flex; align-items: center; gap: 6px; }
.feature-card h3 { font-size: 17px; font-weight: 700; color: var(--navy); line-height: 1.4; margin: 0 0 6px; }
.feature-card p { font-size: 13px; color: var(--text-light); margin: 0; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }

/* FAQ */
.faq-list { max-width: 760px; margin: 0 auto; }
.faq-item { background: var(--bg-white); border: 1px solid var(--border); border-radius: var(--radius); margin-bottom: 14px; transition: all .25s; overflow: hidden; }
.faq-item:hover { border-color: rgba(230,57,70,0.2); box-shadow: var(--shadow-sm); }
.faq-item.active { border-color: rgba(230,57,70,0.3); box-shadow: var(--shadow); }
.faq-q { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 22px 24px; cursor: pointer; font-size: 16px; font-weight: 600; color: var(--navy); }
.faq-q .faq-icon { width: 28px; height: 28px; border-radius: 50%; background: var(--bg-gray); display: flex; align-items: center; justify-content: center; font-size: 14px; color: var(--text-light); transition: all .25s; flex-shrink: 0; }
.faq-item.active .faq-icon { background: var(--primary); color: #fff; transform: rotate(45deg); }
.faq-a { max-height: 0; overflow: hidden; transition: max-height .3s ease; }
.faq-a-inner { padding: 0 24px 22px; font-size: 14px; color: var(--text-light); line-height: 1.7; border-top: 1px solid var(--border); padding-top: 16px; }

/* CTA */
.cta-section { position: relative; padding: 100px 0; background-size: cover; background-position: center; background-image: url('/assets/images/backpic/back-2.png'); isolation: isolate; }
.cta-section::before { content: ''; position: absolute; inset: 0; background: rgba(15,23,42,0.82); z-index: -1; }
.cta-inner { text-align: center; max-width: 640px; margin: 0 auto; color: #fff; }
.cta-inner h2 { font-size: 38px; font-weight: 800; margin: 0 0 16px; letter-spacing: -0.02em; }
.cta-inner p { font-size: 17px; color: rgba(255,255,255,0.8); margin: 0 0 32px; line-height: 1.6; }
.cta-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }
.btn-white { background: #fff; color: var(--navy); box-shadow: 0 4px 16px rgba(0,0,0,0.15); }
.btn-white:hover { background: var(--primary); color: #fff; transform: translateY(-2px); box-shadow: 0 8px 24px rgba(230,57,70,0.4); }
.btn-ghost-light { background: transparent; border: 2px solid rgba(255,255,255,0.6); color: #fff; }
.btn-ghost-light:hover { background: rgba(255,255,255,0.1); border-color: #fff; transform: translateY(-2px); }

/* 页脚 */
.site-footer { background: var(--navy-dark); color: #cbd5e1; padding: 72px 0 0; }
.footer-grid { display: grid; grid-template-columns: 1.5fr 1fr 1fr 1.5fr; gap: 40px; padding-bottom: 48px; border-bottom: 1px solid rgba(255,255,255,0.08); }
.footer-brand .footer-logo { display: flex; align-items: center; gap: 10px; margin-bottom: 16px; }
.footer-brand .footer-logo .logo-badge { width: 40px; height: 40px; font-size: 18px; background: var(--primary); }
.footer-brand .footer-logo span { font-size: 20px; font-weight: 800; color: #fff; }
.footer-brand p { font-size: 14px; line-height: 1.7; margin: 0 0 20px; color: #94a3b8; }
.footer-social { display: flex; gap: 10px; }
.footer-social a { width: 38px; height: 38px; border-radius: 50%; background: rgba(255,255,255,0.08); display: flex; align-items: center; justify-content: center; font-size: 15px; color: #94a3b8; transition: all .25s; }
.footer-social a:hover { background: var(--primary); color: #fff; }
.footer-col h4 { color: #fff; font-size: 16px; font-weight: 700; margin: 0 0 20px; }
.footer-col ul li { margin-bottom: 12px; }
.footer-col ul a { font-size: 14px; color: #94a3b8; transition: all .2s; display: inline-flex; align-items: center; gap: 6px; }
.footer-col ul a:hover { color: #fff; padding-left: 4px; }
.footer-col ul a i { font-size: 12px; color: var(--primary-light); }
.footer-contact li { display: flex; gap: 12px; align-items: flex-start; margin-bottom: 16px; font-size: 14px; color: #94a3b8; }
.footer-contact li i { color: var(--primary-light); margin-top: 3px; width: 16px; text-align: center; }
.footer-bottom { max-width: var(--container); margin: 0 auto; padding: 24px 24px 28px; display: flex; flex-wrap: wrap; justify-content: space-between; align-items: center; gap: 12px; font-size: 13px; color: #64748b; }
.footer-bottom a { color: #94a3b8; }
.footer-bottom a:hover { color: #fff; }

/* 焦点可访问性 */
:focus-visible { outline: 3px solid rgba(230,57,70,0.4); outline-offset: 2px; border-radius: 4px; }

/* 响应式 */
@media (max-width: 1024px) {
  .section { padding: 72px 0; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); }
  .cat-grid { grid-template-columns: repeat(3, 1fr); }
  .footer-grid { grid-template-columns: 1fr 1fr; }
  .feature-grid { grid-template-columns: 1fr; }
  .feature-list { grid-template-rows: none; }
  .hero h1 { font-size: 42px; }
}
@media (max-width: 768px) {
  .section { padding: 56px 0; }
  .section-head { margin-bottom: 40px; }
  .section-head h2 { font-size: 28px; }
  .header-top { padding: 12px 16px; gap: 12px; }
  .header-search { display: none; }
  .header-icon-btn { display: flex; }
  .header-cta { display: none; }
  .nav-bar { padding: 0 12px; }
  .nav-tabs { padding: 0 4px; }
  .hero { min-height: 480px; }
  .hero-content { padding: 40px 16px; }
  .hero h1 { font-size: 32px; }
  .hero-desc { font-size: 16px; }
  .hero-stats { flex-wrap: wrap; gap: 16px; }
  .hero-stat .num { font-size: 22px; }
  .stats-grid { grid-template-columns: repeat(2, 1fr); gap: 16px; }
  .cat-grid { grid-template-columns: 1fr; gap: 18px; }
  .cat-card { min-height: 220px; }
  .news-grid { grid-template-columns: 1fr; gap: 18px; }
  .steps-grid { grid-template-columns: 1fr; gap: 18px; }
  .step-card { padding: 28px 24px; }
  .feature-card { flex-direction: column; }
  .feature-card img { width: 100%; height: 160px; }
  .cta-inner h2 { font-size: 30px; }
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
  .footer-bottom { flex-direction: column; text-align: center; }
}
@media (max-width: 520px) {
  .section { padding: 48px 0; }
  .container { padding-left: 16px; padding-right: 16px; }
  .hero { min-height: 420px; }
  .hero h1 { font-size: 28px; }
  .hero-desc { font-size: 15px; }
  .hero-actions .btn { padding: 12px 20px; font-size: 14px; }
  .stats-grid { gap: 12px; }
  .stat-card { padding: 24px 16px; }
  .stat-number { font-size: 28px; }
  .news-item { padding: 22px; }
  .cta-section { padding: 64px 0; }
  .cta-inner h2 { font-size: 26px; }
  .cta-actions { flex-direction: column; align-items: center; }
  .cta-actions .btn { width: 100%; justify-content: center; }
}

/* roulang page: category1 */
:root {
    --brand-primary: #10b981;
    --brand-dark: #065f46;
    --accent: #f59e0b;
    --bg-body: #f8fafc;
    --text-primary: #0f172a;
    --text-body: #334155;
    --text-muted: #64748b;
    --border-color: #e2e8f0;
    --radius-md: 12px;
    --radius-lg: 20px;
    --radius-full: 999px;
    --shadow-sm: 0 1px 3px rgba(0,0,0,0.06);
    --shadow-md: 0 8px 24px rgba(0,0,0,0.08);
    --shadow-lg: 0 16px 40px rgba(0,0,0,0.12);
    --font-sans: 'PingFang SC', 'Microsoft YaHei', 'Helvetica Neue', Arial, sans-serif;
}
*,
*::before,
*::after {
    box-sizing: border-box;
    margin: 0;
    padding: 0;
}
html {
    scroll-behavior: smooth;
}
body {
    font-family: var(--font-sans);
    background: var(--bg-body);
    color: var(--text-body);
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
}
a {
    text-decoration: none;
    color: inherit;
}
img {
    max-width: 100%;
    height: auto;
    display: block;
}
button,
input {
    font-family: inherit;
}
.container {
    max-width: 1280px;
    margin: 0 auto;
    padding-left: 24px;
    padding-right: 24px;
}
/* ===== Header ===== */
.site-header {
    position: sticky;
    top: 0;
    z-index: 100;
    background: #fff;
    border-bottom: 1px solid var(--border-color);
    box-shadow: 0 1px 8px rgba(0, 0, 0, 0.04);
}
.header-top {
    max-width: 1280px;
    margin: 0 auto;
    padding: 14px 24px;
    display: flex;
    align-items: center;
    gap: 20px;
}
.logo-wrap {
    display: flex;
    align-items: center;
    gap: 10px;
    flex-shrink: 0;
}
.logo-badge {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    background: linear-gradient(135deg, #10b981, #059669);
    color: #fff;
    border-radius: 12px;
    font-size: 17px;
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.35);
}
.logo-text {
    font-size: 22px;
    font-weight: 800;
    color: var(--text-primary);
    letter-spacing: 1px;
}
.logo-text span {
    color: var(--brand-primary);
}
.header-search {
    flex: 1;
    max-width: 460px;
    margin-left: auto;
    display: flex;
    align-items: center;
    background: #f1f5f9;
    border-radius: 999px;
    padding: 4px 6px 4px 18px;
    border: 1px solid transparent;
    transition: border-color .2s, background .2s;
}
.header-search:focus-within {
    border-color: var(--brand-primary);
    background: #fff;
    box-shadow: 0 0 0 4px rgba(16, 185, 129, 0.12);
}
.header-search input {
    flex: 1;
    border: none;
    outline: none;
    background: transparent;
    font-size: 14px;
    color: var(--text-primary);
    min-width: 0;
}
.header-search button {
    width: 36px;
    height: 36px;
    border: none;
    background: var(--brand-primary);
    color: #fff;
    border-radius: 50%;
    cursor: pointer;
    transition: background .2s, transform .2s;
    flex-shrink: 0;
}
.header-search button:hover {
    background: var(--brand-dark);
    transform: scale(1.06);
}
.header-actions {
    display: flex;
    align-items: center;
    gap: 12px;
    flex-shrink: 0;
}
.header-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 8px 18px;
    background: var(--brand-primary);
    color: #fff;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
    transition: background .2s, transform .2s, box-shadow .2s;
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.3);
}
.header-cta:hover {
    background: var(--brand-dark);
    transform: translateY(-2px);
    box-shadow: 0 6px 20px rgba(16, 185, 129, 0.4);
}
.header-icon-btn {
    display: none;
    width: 38px;
    height: 38px;
    border: none;
    background: #f1f5f9;
    color: var(--text-primary);
    border-radius: 50%;
    cursor: pointer;
    font-size: 15px;
    align-items: center;
    justify-content: center;
}
.nav-bar {
    border-top: 1px solid #f1f5f9;
    background: #fff;
}
.nav-tabs {
    max-width: 1280px;
    margin: 0 auto;
    padding: 0 24px;
    display: flex;
    align-items: center;
    gap: 8px;
    overflow-x: auto;
    scrollbar-width: none;
    -ms-overflow-style: none;
}
.nav-tabs::-webkit-scrollbar {
    display: none;
}
.nav-tab {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 14px 20px;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-muted);
    border-bottom: 3px solid transparent;
    white-space: nowrap;
    transition: color .2s, border-color .2s;
}
.nav-tab i {
    font-size: 14px;
}
.nav-tab:hover {
    color: var(--brand-primary);
}
.nav-tab.active {
    color: var(--brand-primary);
    border-bottom-color: var(--brand-primary);
}
/* ===== Hero ===== */
.category-hero {
    position: relative;
    background-color: #0f172a;
    background-image: linear-gradient(135deg, rgba(2, 44, 34, 0.94), rgba(15, 23, 42, 0.88));
    background-size: cover;
    background-position: center;
    padding: 88px 0 76px;
    color: #fff;
    overflow: hidden;
}
.category-hero::after {
    content: '';
    position: absolute;
    bottom: -60px;
    right: -60px;
    width: 300px;
    height: 300px;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.25), transparent 70%);
    border-radius: 50%;
    pointer-events: none;
}
.category-hero .container {
    position: relative;
    z-index: 1;
}
.hero-badge {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: rgba(16, 185, 129, 0.18);
    border: 1px solid rgba(16, 185, 129, 0.4);
    color: #6ee7b7;
    font-size: 13px;
    font-weight: 600;
    padding: 6px 16px;
    border-radius: 999px;
    margin-bottom: 20px;
}
.hero-title {
    font-size: 42px;
    font-weight: 800;
    line-height: 1.25;
    letter-spacing: 1px;
    margin-bottom: 16px;
}
.hero-desc {
    font-size: 16px;
    line-height: 1.8;
    color: #cbd5e1;
    max-width: 620px;
    margin-bottom: 28px;
}
.hero-actions {
    display: flex;
    gap: 12px;
    flex-wrap: wrap;
}
.btn-primary,
.btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    padding: 11px 24px;
    border-radius: 999px;
    font-size: 14px;
    font-weight: 600;
    transition: all .25s;
    cursor: pointer;
    border: none;
}
.btn-primary {
    background: var(--brand-primary);
    color: #fff;
    box-shadow: 0 4px 16px rgba(16, 185, 129, 0.4);
}
.btn-primary:hover {
    background: #0d9668;
    transform: translateY(-2px);
    box-shadow: 0 6px 24px rgba(16, 185, 129, 0.5);
}
.btn-ghost {
    background: transparent;
    color: #e2e8f0;
    border: 1px solid rgba(255, 255, 255, 0.25);
}
.btn-ghost:hover {
    border-color: rgba(255, 255, 255, 0.5);
    background: rgba(255, 255, 255, 0.08);
    transform: translateY(-2px);
}
.hero-stats {
    display: flex;
    gap: 16px;
    margin-top: 40px;
    flex-wrap: wrap;
}
.stat-card {
    background: rgba(255, 255, 255, 0.08);
    border: 1px solid rgba(255, 255, 255, 0.12);
    border-radius: 16px;
    padding: 16px 24px;
    min-width: 120px;
    backdrop-filter: blur(8px);
}
.stat-card strong {
    display: block;
    font-size: 28px;
    font-weight: 800;
    color: #6ee7b7;
    line-height: 1.2;
}
.stat-card span {
    font-size: 13px;
    color: #cbd5e1;
}
@media (max-width: 768px) {
    .hero-title { font-size: 30px; }
    .hero-stats { gap: 12px; }
    .stat-card { min-width: 90px; padding: 12px 16px; }
    .stat-card strong { font-size: 20px; }
}
/* ===== Section ===== */
.section {
    padding: 72px 0;
}
.section-head {
    display: flex;
    align-items: flex-end;
    justify-content: space-between;
    gap: 16px;
    margin-bottom: 32px;
}
.section-head h2 {
    font-size: 28px;
    font-weight: 800;
    color: var(--text-primary);
    line-height: 1.3;
}
.section-head p {
    color: var(--text-muted);
    font-size: 14px;
    margin-top: 4px;
}
.section-more {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    font-size: 14px;
    font-weight: 600;
    color: var(--brand-primary);
    padding: 8px 16px;
    border-radius: 999px;
    border: 1px solid #d1fae5;
    background: #ecfdf5;
    transition: all .2s;
    white-space: nowrap;
}
.section-more:hover {
    background: var(--brand-primary);
    color: #fff;
    transform: translateX(4px);
}
/* ===== Category Tabs ===== */
.cat-tabs-wrap {
    display: flex;
    gap: 10px;
    overflow-x: auto;
    padding-bottom: 4px;
    scrollbar-width: none;
    -ms-overflow-style: none;
}
.cat-tabs-wrap::-webkit-scrollbar {
    display: none;
}
.cat-tab {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    padding: 9px 20px;
    border-radius: 999px;
    background: #fff;
    border: 1px solid var(--border-color);
    font-size: 14px;
    font-weight: 600;
    color: var(--text-muted);
    white-space: nowrap;
    transition: all .2s;
}
.cat-tab i {
    font-size: 13px;
}
.cat-tab:hover {
    border-color: var(--brand-primary);
    color: var(--brand-primary);
    background: #ecfdf5;
    transform: translateY(-2px);
}
.cat-tab.active {
    background: var(--brand-primary);
    border-color: var(--brand-primary);
    color: #fff;
    box-shadow: 0 4px 14px rgba(16, 185, 129, 0.3);
}
/* ===== News Grid ===== */
.news-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.news-card {
    background: #fff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: transform .3s, box-shadow .3s;
    display: flex;
    flex-direction: column;
}
.news-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}
.card-cover {
    position: relative;
    display: block;
    overflow: hidden;
    aspect-ratio: 16 / 10;
}
.card-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s;
}
.news-card:hover .card-cover img {
    transform: scale(1.05);
}
.card-tag {
    position: absolute;
    top: 12px;
    left: 12px;
    background: rgba(255, 255, 255, 0.92);
    color: #065f46;
    font-size: 12px;
    font-weight: 700;
    padding: 4px 12px;
    border-radius: 999px;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.12);
    backdrop-filter: blur(4px);
}
.card-tag.amber {
    background: rgba(245, 158, 11, 0.92);
    color: #fff;
}
.card-tag.blue {
    background: rgba(59, 130, 246, 0.92);
    color: #fff;
}
.card-body {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}
.card-body h3 {
    font-size: 17px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.45;
}
.card-body h3 a {
    transition: color .2s;
}
.card-body h3 a:hover {
    color: var(--brand-primary);
}
.card-body p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
    margin-bottom: 4px;
}
.card-meta {
    display: flex;
    align-items: center;
    gap: 16px;
    font-size: 13px;
    color: var(--text-muted);
    margin-top: auto;
    border-top: 1px solid #f1f5f9;
    padding-top: 12px;
}
.card-meta span {
    display: inline-flex;
    align-items: center;
    gap: 4px;
}
/* ===== Analysis Section ===== */
.analysis-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
}
.analysis-card {
    background: #fff;
    border-radius: var(--radius-lg);
    overflow: hidden;
    border: 1px solid var(--border-color);
    box-shadow: var(--shadow-sm);
    transition: all .3s;
    display: flex;
    flex-direction: column;
}
.analysis-card:hover {
    transform: translateY(-6px);
    box-shadow: var(--shadow-hover);
}
.analysis-cover {
    position: relative;
    overflow: hidden;
    aspect-ratio: 4 / 3;
}
.analysis-cover img {
    width: 100%;
    height: 100%;
    object-fit: cover;
    transition: transform .4s;
}
.analysis-card:hover .analysis-cover img {
    transform: scale(1.05);
}
.analysis-cover .tag-badge {
    position: absolute;
    bottom: 12px;
    left: 12px;
    background: rgba(15, 23, 42, 0.72);
    color: #fff;
    font-size: 12px;
    font-weight: 600;
    padding: 4px 14px;
    border-radius: 999px;
    backdrop-filter: blur(4px);
}
.analysis-body {
    padding: 20px;
    display: flex;
    flex-direction: column;
    gap: 8px;
    flex: 1;
}
.analysis-body h3 {
    font-size: 16px;
    font-weight: 700;
    color: var(--text-primary);
    line-height: 1.5;
}
.analysis-body h3 a:hover {
    color: var(--brand-primary);
}
.analysis-body p {
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.7;
    display: -webkit-box;
    -webkit-line-clamp: 3;
    -webkit-box-orient: vertical;
    overflow: hidden;
    flex: 1;
}
.analysis-meta {
    display: flex;
    align-items: center;
    justify-content: space-between;
    font-size: 13px;
    color: var(--text-muted);
    margin-top: 8px;
}
/* ===== Stats Section ===== */
.stats-section {
    background: #0f172a;
    color: #fff;
    position: relative;
    overflow: hidden;
}
.stats-section::before {
    content: '';
    position: absolute;
    top: -80px;
    left: 10%;
    width: 260px;
    height: 260px;
    background: radial-gradient(circle, rgba(16, 185, 129, 0.2), transparent 70%);
    border-radius: 50%;
}
.stats-grid {
    display: grid;
    grid-template-columns: repeat(3, 1fr);
    gap: 24px;
    position: relative;
    z-index: 1;
}
.stats-block {
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: 20px;
    padding: 28px 24px;
    transition: background .3s, transform .3s;
}
.stats-block:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-4px);
}
.stats-block h3 {
    font-size: 15px;
    color: #94a3b8;
    margin-bottom: 16px;
    display: flex;
    align-items: center;
    gap: 8px;
}
.stats-block h3 i {
    color: #6ee7b7;
}
.stats-list {
    list-style: none;
}
.stats-list li {
    display: flex;
    align-items: center;
    gap: 10px;
    padding: 9px 0;
    border-bottom: 1px solid rgba(255, 255, 255, 0.06);
    font-size: 14px;
}
.stats-list li:last-child {
    border-bottom: none;
}
.stats-rank {
    font-weight: 800;
    color: #6ee7b7;
    min-width: 24px;
    font-size: 16px;
}
.stats-list li span:last-child {
    margin-left: auto;
    font-weight: 600;
}
/* ===== Calendar ===== */
.calendar-grid {
    display: grid;
    grid-template-columns: repeat(2, 1fr);
    gap: 16px;
}
.calendar-item {
    display: flex;
    align-items: center;
    gap: 16px;
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    padding: 18px 20px;
    transition: all .25s;
}
.calendar-item:hover {
    border-color: var(--brand-primary);
    box-shadow: var(--shadow-md);
    transform: translateX(4px);
}
.calendar-date {
    display: flex;
    flex-direction: column;
    align-items: center;
    justify-content: center;
    min-width: 56px;
    height: 56px;
    background: #ecfdf5;
    border-radius: 12px;
    color: var(--brand-primary);
}
.calendar-date strong {
    font-size: 20px;
    line-height: 1.2;
}
.calendar-date span {
    font-size: 11px;
    font-weight: 600;
}
.calendar-info {
    flex: 1;
}
.calendar-info .cal-tag {
    font-size: 12px;
    font-weight: 600;
    color: var(--brand-primary);
}
.calendar-info h4 {
    font-size: 15px;
    font-weight: 700;
    color: var(--text-primary);
    margin: 2px 0;
}
.calendar-info p {
    font-size: 13px;
    color: var(--text-muted);
}
.calendar-arrow {
    color: var(--text-light);
    transition: color .2s, transform .2s;
}
.calendar-item:hover .calendar-arrow {
    color: var(--brand-primary);
    transform: translateX(4px);
}
/* ===== FAQ ===== */
.faq-wrap {
    max-width: 860px;
    margin: 0 auto;
}
.faq-item {
    background: #fff;
    border: 1px solid var(--border-color);
    border-radius: var(--radius-md);
    margin-bottom: 12px;
    overflow: hidden;
    transition: border-color .2s, box-shadow .2s;
}
.faq-item:hover {
    border-color: var(--brand-primary);
    box-shadow: var(--shadow-sm);
}
.faq-item.active {
    border-color: var(--brand-primary);
    box-shadow: var(--shadow-md);
}
.faq-question {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 16px;
    width: 100%;
    padding: 18px 22px;
    background: none;
    border: none;
    font-size: 15px;
    font-weight: 600;
    color: var(--text-primary);
    cursor: pointer;
    text-align: left;
    transition: color .2s;
}
.faq-question i {
    color: var(--brand-primary);
    transition: transform .3s;
    flex-shrink: 0;
}
.faq-item.active .faq-question i {
    transform: rotate(180deg);
}
.faq-answer {
    max-height: 0;
    overflow: hidden;
    transition: max-height .35s ease, padding .3s;
    padding: 0 22px;
}
.faq-answer p {
    padding-bottom: 20px;
    font-size: 14px;
    color: var(--text-muted);
    line-height: 1.8;
    border-top: 1px solid #f1f5f9;
    padding-top: 16px;
}
/* ===== CTA ===== */
.cta-section {
    background: linear-gradient(135deg, #065f46, #059669);
    color: #fff;
    padding: 64px 0;
    position: relative;
    overflow: hidden;
}
.cta-section::before {
    content: '';
    position: absolute;
    top: -50px;
    right: 10%;
    width: 220px;
    height: 220px;
    background: rgba(255, 255, 255, 0.08);
    border-radius: 50%;
}
.cta-inner {
    position: relative;
    z-index: 1;
    text-align: center;
    max-width: 640px;
    margin: 0 auto;
}
.cta-inner h2 {
    font-size: 30px;
    font-weight: 800;
    margin-bottom: 12px;
}
.cta-inner p {
    color: #a7f3d0;
    font-size: 15px;
    margin-bottom: 28px;
}
.cta-form {
    display: flex;
    gap: 12px;
    max-width: 460px;
    margin: 0 auto;
}
.cta-form input {
    flex: 1;
    padding: 12px 20px;
    border-radius: 999px;
    border: none;
    outline: none;
    background: rgba(255, 255, 255, 0.92);
    font-size: 14px;
    color: var(--text-primary);
    min-width: 0;
}
.cta-form input:focus {
    box-shadow: 0 0 0 4px rgba(255, 255, 255, 0.3);
}
.cta-form button {
    padding: 12px 28px;
    border-radius: 999px;
    border: none;
    background: #0f172a;
    color: #fff;
    font-weight: 700;
    font-size: 14px;
    cursor: pointer;
    transition: background .2s, transform .2s;
    white-space: nowrap;
}
.cta-form button:hover {
    background: #1e293b;
    transform: translateY(-2px);
}
/* ===== Footer ===== */
.site-footer {
    background: #0f172a;
    color: #94a3b8;
    padding: 56px 0 0;
    font-size: 14px;
}
.footer-grid {
    display: grid;
    grid-template-columns: 2fr 1fr 1fr 1.2fr;
    gap: 40px;
    padding-bottom: 40px;
    border-bottom: 1px solid rgba(255, 255, 255, 0.08);
}
.footer-logo {
    display: flex;
    align-items: center;
    gap: 10px;
    font-size: 20px;
    font-weight: 800;
    color: #fff;
    margin-bottom: 14px;
}
.footer-brand p {
    line-height: 1.8;
    margin-bottom: 18px;
    max-width: 360px;
}
.footer-social {
    display: flex;
    gap: 10px;
}
.footer-social a {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 38px;
    height: 38px;
    background: rgba(255, 255, 255, 0.08);
    color: #cbd5e1;
    border-radius: 50%;
    transition: all .2s;
}
.footer-social a:hover {
    background: var(--brand-primary);
    color: #fff;
    transform: translateY(-3px);
}
.footer-col h4 {
    color: #e2e8f0;
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 16px;
}
.footer-col ul {
    list-style: none;
}
.footer-col ul li {
    margin-bottom: 10px;
}
.footer-col ul a {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    color: #94a3b8;
    transition: color .2s, padding-left .2s;
}
.footer-col ul a:hover {
    color: #6ee7b7;
    padding-left: 6px;
}
.footer-col ul a i {
    font-size: 11px;
    color: #475569;
}
.footer-col ul a:hover i {
    color: #6ee7b7;
}
.footer-contact li {
    display: flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
    color: #94a3b8;
}
.footer-contact i {
    color: var(--brand-primary);
    width: 16px;
    text-align: center;
}
.footer-bottom {
    display: flex;
    align-items: center;
    justify-content: space-between;
    gap: 12px;
    padding: 20px 0;
    font-size: 13px;
    color: #64748b;
    flex-wrap: wrap;
}
.footer-bottom a {
    color: #94a3b8;
    transition: color .2s;
}
.footer-bottom a:hover {
    color: #6ee7b7;
}
/* ===== Responsive ===== */
@media (max-width: 1024px) {
    .news-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .analysis-grid {
        grid-template-columns: repeat(2, 1fr);
    }
    .stats-grid {
        grid-template-columns: repeat(3, 1fr);
        gap: 16px;
    }
    .footer-grid {
        grid-template-columns: 1fr 1fr;
        gap: 32px;
    }
}
@media (max-width: 768px) {
    .header-search {
        display: none;
    }
    .header-icon-btn {
        display: inline-flex;
    }
    .header-top {
        gap: 10px;
    }
    .header-cta span {
        display: none;
    }
    .header-cta {
        padding: 8px 12px;
        font-size: 13px;
    }
    .nav-tabs {
        padding: 0 16px;
    }
    .section {
        padding: 48px 0;
    }
    .section-head h2 {
        font-size: 22px;
    }
    .news-grid {
        grid-template-columns: 1fr;
    }
    .analysis-grid {
        grid-template-columns: 1fr;
    }
    .calendar-grid {
        grid-template-columns: 1fr;
    }
    .stats-grid {
        grid-template-columns: 1fr;
    }
    .footer-grid {
        grid-template-columns: 1fr;
        gap: 28px;
    }
    .footer-bottom {
        flex-direction: column;
        text-align: center;
    }
    .cta-form {
        flex-direction: column;
    }
    .cta-form button {
        width: 100%;
    }
}
@media (max-width: 520px) {
    .header-top {
        padding: 10px 16px;
    }
    .logo-text {
        font-size: 18px;
    }
    .logo-badge {
        width: 34px;
        height: 34px;
        font-size: 15px;
    }
    .container {
        padding-left: 16px;
        padding-right: 16px;
    }
    .hero-title {
        font-size: 26px;
    }
    .card-body {
        padding: 16px;
    }
    .stats-block {
        padding: 20px;
    }
    .cat-tab {
        padding: 8px 14px;
        font-size: 13px;
    }
}

/* roulang page: article */
/* ===== 设计变量 ===== */
        :root {
            --primary: #0d1f3c;
            --primary-light: #1e3a5f;
            --primary-dark: #081426;
            --accent: #ff6b35;
            --accent-hover: #f4571e;
            --accent-soft: rgba(255, 107, 53, 0.12);
            --bg: #f4f6fb;
            --surface: #ffffff;
            --text: #152238;
            --text-muted: #5b6b82;
            --border: #e4eaf2;
            --radius-lg: 20px;
            --radius-md: 14px;
            --radius-sm: 8px;
            --shadow-sm: 0 4px 16px rgba(15, 33, 60, 0.06);
            --shadow-md: 0 8px 30px rgba(15, 33, 60, 0.08);
            --shadow-lg: 0 20px 50px rgba(15, 33, 60, 0.14);
            --transition: 0.3s ease;
            --font-sans: "PingFang SC", "Microsoft YaHei", "Segoe UI", "Helvetica Neue", Arial, sans-serif;
        }

        /* ===== Reset & Base ===== */
        *, *::before, *::after { box-sizing: border-box; }
        html { scroll-behavior: smooth; }
        body { margin: 0; font-family: var(--font-sans); background: var(--bg); color: var(--text); line-height: 1.7; -webkit-font-smoothing: antialiased; }
        img { max-width: 100%; display: block; }
        a { color: inherit; text-decoration: none; }
        button, input, select, textarea { font-family: inherit; font-size: inherit; }
        button { cursor: pointer; border: none; background: none; }
        h1, h2, h3, h4, h5, h6 { line-height: 1.3; margin: 0; }
        p { margin: 0; }
        ul, ol { margin: 0; padding: 0; list-style: none; }
        details > summary { list-style: none; }
        details > summary::-webkit-details-marker { display: none; }

        /* ===== 容器 ===== */
        .container { max-width: 1200px; margin: 0 auto; padding: 0 24px; }
        .container-narrow { max-width: 880px; }

        /* ===== 按钮 ===== */
        .btn-primary {
            display: inline-flex; align-items: center; gap: 8px;
            background: var(--accent); color: #ffffff;
            padding: 12px 28px; border-radius: 50px;
            font-weight: 600; font-size: 15px;
            box-shadow: 0 6px 20px rgba(255, 107, 53, 0.3);
            transition: var(--transition); border: 2px solid transparent;
        }
        .btn-primary:hover { background: var(--accent-hover); transform: translateY(-2px); box-shadow: 0 10px 28px rgba(255, 107, 53, 0.4); }
        .btn-primary:active { transform: translateY(0); box-shadow: 0 4px 14px rgba(255, 107, 53, 0.3); }
        .btn-primary:focus-visible { outline: 3px solid rgba(255, 107, 53, 0.35); outline-offset: 2px; }
        .btn-light {
            display: inline-flex; align-items: center; gap: 8px;
            background: #ffffff; color: var(--primary);
            padding: 12px 28px; border-radius: 50px;
            font-weight: 600; font-size: 15px;
            transition: var(--transition); border: 2px solid transparent;
        }
        .btn-light:hover { transform: translateY(-2px); box-shadow: 0 12px 30px rgba(0, 0, 0, 0.2); }
        .btn-outline-light {
            display: inline-flex; align-items: center; gap: 8px;
            background: transparent; color: #ffffff;
            padding: 11px 28px; border-radius: 50px;
            font-weight: 600; font-size: 15px;
            border: 2px solid rgba(255, 255, 255, 0.7);
            transition: var(--transition);
        }
        .btn-outline-light:hover { background: rgba(255, 255, 255, 0.12); border-color: #ffffff; transform: translateY(-2px); }

        /* ===== Header ===== */
        .site-header { background: var(--surface); box-shadow: var(--shadow-sm); position: sticky; top: 0; z-index: 100; border-bottom: 1px solid var(--border); }
        .header-top { display: flex; align-items: center; justify-content: space-between; gap: 16px; padding: 13px 32px; max-width: 1280px; margin: 0 auto; }
        .logo-wrap { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
        .logo-badge { width: 36px; height: 36px; background: var(--accent); color: #fff; border-radius: 10px; display: inline-flex; align-items: center; justify-content: center; font-size: 16px; box-shadow: 0 4px 12px rgba(255, 107, 53, 0.35); }
        .logo-text { font-size: 22px; font-weight: 800; color: var(--primary); letter-spacing: -0.5px; }
        .logo-text span { color: var(--accent); }
        .header-search { display: flex; align-items: center; background: var(--bg); border: 1px solid var(--border); border-radius: 50px; padding: 4px 4px 4px 18px; max-width: 300px; width: 100%; transition: var(--transition); }
        .header-search:focus-within { border-color: var(--accent); box-shadow: 0 0 0 3px var(--accent-soft); background: #fff; }
        .header-search input { border: none; background: transparent; outline: none; flex: 1; font-size: 14px; color: var(--text); padding: 7px 0; }
        .header-search input::placeholder { color: var(--text-muted); }
        .header-search button { width: 34px; height: 34px; border-radius: 50%; background: var(--accent); color: #fff; display: flex; align-items: center; justify-content: center; font-size: 13px; transition: var(--transition); flex-shrink: 0; }
        .header-search button:hover { background: var(--accent-hover); }
        .header-actions { display: flex; align-items: center; gap: 10px; flex-shrink: 0; }
        .header-cta { background: var(--accent); color: #fff; padding: 9px 20px; border-radius: 50px; font-size: 14px; font-weight: 600; display: inline-flex; align-items: center; gap: 6px; transition: var(--transition); box-shadow: 0 4px 14px rgba(255, 107, 53, 0.3); }
        .header-cta:hover { background: var(--accent-hover); transform: translateY(-1px); }
        .header-icon-btn { width: 36px; height: 36px; border-radius: 50%; border: 1px solid var(--border); color: var(--text-muted); display: none; align-items: center; justify-content: center; font-size: 14px; transition: var(--transition); }
        .header-icon-btn:hover { color: var(--accent); border-color: var(--accent); }
        .nav-bar { background: var(--primary); border-top: 1px solid rgba(255, 255, 255, 0.04); }
        .nav-tabs { display: flex; align-items: center; gap: 4px; max-width: 1280px; margin: 0 auto; padding: 6px 24px; overflow-x: auto; scrollbar-width: none; }
        .nav-tabs::-webkit-scrollbar { display: none; }
        .nav-tab { display: inline-flex; align-items: center; gap: 7px; color: rgba(255, 255, 255, 0.72); font-size: 14.5px; font-weight: 500; padding: 10px 20px; border-radius: 10px; transition: var(--transition); white-space: nowrap; }
        .nav-tab i { font-size: 14px; }
        .nav-tab:hover { background: rgba(255, 255, 255, 0.1); color: #fff; }
        .nav-tab.active { background: var(--accent); color: #fff; box-shadow: 0 4px 14px rgba(255, 107, 53, 0.4); }
        .nav-tab:focus-visible { outline: 2px solid var(--accent); outline-offset: 2px; }

        /* ===== 文章 Hero ===== */
        .article-hero { background-size: cover; background-position: center; padding: 58px 0 54px; position: relative; color: #fff; }
        .article-hero::before { content: ""; position: absolute; inset: 0; background: linear-gradient(135deg, rgba(8, 20, 38, 0.88) 0%, rgba(13, 31, 60, 0.78) 50%, rgba(255, 107, 53, 0.22) 100%); z-index: 1; }
        .article-hero .container { position: relative; z-index: 2; }
        .breadcrumb { display: flex; align-items: center; flex-wrap: wrap; gap: 8px; font-size: 13px; color: rgba(255, 255, 255, 0.65); margin-bottom: 22px; }
        .breadcrumb a { display: inline-flex; align-items: center; gap: 6px; color: rgba(255, 255, 255, 0.85); transition: var(--transition); }
        .breadcrumb a:hover { color: var(--accent); }
        .breadcrumb .sep { font-size: 10px; opacity: 0.5; }
        .breadcrumb .current { color: rgba(255, 255, 255, 0.5); }
        .article-head .badge { display: inline-flex; align-items: center; gap: 6px; background: var(--accent); color: #fff; padding: 5px 16px; border-radius: 50px; font-size: 13px; font-weight: 600; margin-bottom: 14px; box-shadow: 0 4px 14px rgba(255, 107, 53, 0.35); }
        .article-head h1 { font-size: clamp(1.7rem, 4.2vw, 2.55rem); font-weight: 800; line-height: 1.35; margin: 0 0 16px; max-width: 820px; letter-spacing: -0.3px; }
        .article-meta { display: flex; align-items: center; flex-wrap: wrap; gap: 18px; font-size: 14px; color: rgba(255, 255, 255, 0.68); }
        .article-meta span { display: inline-flex; align-items: center; gap: 7px; }
        .article-meta i { font-size: 13px; color: var(--accent); }

        /* ===== 正文区域 ===== */
        .article-main { padding: 46px 0 20px; }
        .article-card { background: var(--surface); border-radius: var(--radius-lg); box-shadow: var(--shadow-md); padding: 36px 42px; border: 1px solid rgba(255, 255, 255, 0.6); }
        .article-text { font-size: 16px; line-height: 1.95; color: var(--text); }
        .article-text h2 { font-size: 1.55rem; font-weight: 700; margin: 2rem 0 1rem; color: var(--primary); padding-bottom: 8px; border-bottom: 2px solid var(--bg); }
        .article-text h3 { font-size: 1.25rem; font-weight: 700; margin: 1.7rem 0 0.8rem; color: var(--primary); }
        .article-text h4 { font-size: 1.1rem; font-weight: 600; margin: 1.4rem 0 0.6rem; color: var(--primary); }
        .article-text p { margin-bottom: 1.2rem; }
        .article-text img { border-radius: var(--radius-md); box-shadow: var(--shadow-sm); margin: 1.5rem 0; }
        .article-text a { color: var(--accent); text-decoration: underline; text-underline-offset: 3px; transition: var(--transition); }
        .article-text a:hover { color: var(--accent-hover); }
        .article-text blockquote { border-left: 4px solid var(--accent); background: var(--accent-soft); padding: 16px 22px; border-radius: 0 var(--radius-md) var(--radius-md) 0; margin: 1.5rem 0; color: var(--text-muted); font-style: italic; }
        .article-text ul, .article-text ol { margin: 0 0 1.3rem 1.5rem; }
        .article-text ul { list-style: disc; }
        .article-text ol { list-style: decimal; }
        .article-text li { margin-bottom: 0.5rem; }
        .article-text table { width: 100%; border-collapse: collapse; margin: 1.4rem 0; }
        .article-text th, .article-text td { border: 1px solid var(--border); padding: 10px 14px; text-align: left; }
        .article-text th { background: var(--bg); font-weight: 600; }
        .article-text pre { background: var(--primary); color: #fff; padding: 20px; border-radius: var(--radius-md); overflow-x: auto; margin: 1.5rem 0; font-size: 14px; line-height: 1.7; }
        .article-text code { font-family: "SFMono-Regular", Consolas, monospace; }
        .article-text hr { border: none; border-top: 1px solid var(--border); margin: 2rem 0; }

        /* ===== 标签与分享 ===== */
        .tag-share-row { display: flex; align-items: center; justify-content: space-between; gap: 16px; border-top: 1px solid var(--border); margin-top: 32px; padding-top: 22px; flex-wrap: wrap; }
        .tag-list { display: flex; flex-wrap: wrap; gap: 8px; }
        .tag { background: var(--bg); color: var(--text-muted); padding: 5px 14px; border-radius: 50px; font-size: 13px; transition: var(--transition); border: 1px solid transparent; }
        .tag:hover { border-color: var(--accent); color: var(--accent); background: var(--accent-soft); }
        .share-group { display: flex; align-items: center; gap: 8px; }
        .share-group > span { font-size: 13px; color: var(--text-muted); }
        .share-btn { width: 32px; height: 32px; border-radius: 50%; border: 1px solid var(--border); color: var(--text-muted); display: inline-flex; align-items: center; justify-content: center; font-size: 13px; transition: var(--transition); }
        .share-btn:hover { background: var(--accent); color: #fff; border-color: var(--accent); transform: translateY(-2px); }

        /* ===== 文章底部导航 ===== */
        .article-footer-nav { display: flex; align-items: center; justify-content: space-between; gap: 16px; margin-top: 30px; padding-top: 22px; border-top: 1px solid var(--border); flex-wrap: wrap; }
        .back-home { display: inline-flex; align-items: center; gap: 8px; color: var(--text-muted); font-size: 14px; font-weight: 500; transition: var(--transition); padding: 8px 0; }
        .back-home:hover { color: var(--accent); }
        .more-news { display: inline-flex; align-items: center; gap: 8px; color: var(--accent); font-size: 14px; font-weight: 600; transition: var(--transition); padding: 8px 0; }
        .more-news:hover { gap: 12px; color: var(--accent-hover); }

        /* ===== 内容未找到 ===== */
        .not-found { text-align: center; padding: 60px 20px; }
        .not-found-icon { width: 72px; height: 72px; background: var(--accent-soft); color: var(--accent); border-radius: 50%; display: inline-flex; align-items: center; justify-content: center; font-size: 28px; margin-bottom: 20px; }
        .not-found h2 { font-size: 26px; color: var(--primary); font-weight: 700; margin-bottom: 12px; }
        .not-found p { color: var(--text-muted); font-size: 15px; max-width: 480px; margin: 0 auto 26px; }

        /* ===== 分类导引 ===== */
        .related-section { padding: 58px 0 48px; }
        .section-head { text-align: center; margin-bottom: 42px; }
        .section-sub { display: inline-block; color: var(--accent); font-size: 13px; font-weight: 700; letter-spacing: 3px; text-transform: uppercase; margin-bottom: 8px; }
        .section-head h2 { font-size: clamp(1.6rem, 3vw, 2.2rem); font-weight: 800; color: var(--primary); margin-bottom: 8px; }
        .section-head p { color: var(--text-muted); font-size: 15px; }
        .related-grid { display: grid; grid-template-columns: repeat(3, 1fr); gap: 26px; }
        .related-card { background: var(--surface); border-radius: var(--radius-lg); overflow: hidden; box-shadow: var(--shadow-sm); transition: var(--transition); border: 1px solid transparent; }
        .related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: var(--border); }
        .related-card img { width: 100%; height: 190px; object-fit: cover; transition: transform 0.5s ease; }
        .related-card:hover img { transform: scale(1.05); }
        .related-card-body { padding: 22px 24px 24px; }
        .related-card-body h3 { font-size: 18px; font-weight: 700; color: var(--primary); margin-bottom: 6px; transition: var(--transition); }
        .related-card:hover .related-card-body h3 { color: var(--accent); }
        .related-card-body p { font-size: 14px; color: var(--text-muted); }

        /* ===== CTA ===== */
        .cta-section { background-size: cover; background-position: center; padding: 64px 0; position: relative; color: #fff; }
        .cta-section::before { content: ""; position: absolute; inset: 0; background: rgba(8, 20, 38, 0.82); }
        .cta-inner { position: relative; z-index: 1; text-align: center; }
        .cta-inner h2 { font-size: clamp(1.7rem, 3.5vw, 2.4rem); font-weight: 800; margin-bottom: 12px; }
        .cta-inner p { font-size: 16px; color: rgba(255, 255, 255, 0.72); margin-bottom: 28px; max-width: 560px; margin-left: auto; margin-right: auto; }
        .cta-actions { display: flex; justify-content: center; gap: 16px; flex-wrap: wrap; }

        /* ===== FAQ ===== */
        .faq-section { padding: 58px 0; background: var(--surface); }
        .faq-list { max-width: 820px; margin: 0 auto; }
        .faq-item { background: var(--surface); border: 1px solid var(--border); border-radius: var(--radius-md); margin-bottom: 14px; overflow: hidden; transition: var(--transition); }
        .faq-item:hover { border-color: var(--accent); box-shadow: var(--shadow-sm); }
        .faq-item summary { padding: 18px 22px; font-weight: 600; font-size: 15.5px; color: var(--primary); cursor: pointer; position: relative; padding-right: 50px; transition: var(--transition); display: flex; align-items: center; gap: 10px; }
        .faq-item summary::after { content: "\f078"; font-family: "Font Awesome 6 Free"; font-weight: 900; position: absolute; right: 20px; top: 50%; transform: translateY(-50%); font-size: 13px; color: var(--accent); transition: var(--transition); }
        .faq-item[open] summary::after { transform: translateY(-50%) rotate(180deg); }
        .faq-item summary:hover { background: var(--accent-soft); }
        .faq-item[open] { box-shadow: var(--shadow-md); }
        .faq-item p { padding: 0 22px 20px; color: var(--text-muted); font-size: 14.5px; line-height: 1.85; }

        /* ===== Footer ===== */
        .site-footer { background: var(--primary-dark); color: rgba(255, 255, 255, 0.7); padding-top: 58px; }
        .footer-grid { display: grid; grid-template-columns: 1.4fr 1fr 1fr 1.1fr; gap: 36px; padding-bottom: 40px; }
        .footer-logo { display: flex; align-items: center; gap: 10px; color: #fff; font-size: 20px; font-weight: 700; }
        .footer-logo .logo-badge { width: 32px; height: 32px; font-size: 14px; }
        .footer-brand p { font-size: 14px; color: rgba(255, 255, 255, 0.5); line-height: 1.8; margin: 16px 0 18px; max-width: 320px; }
        .footer-social { display: flex; gap: 10px; }
        .footer-social a { width: 34px; height: 34px; border-radius: 50%; border: 1px solid rgba(255, 255, 255, 0.15); color: rgba(255, 255, 255, 0.6); display: inline-flex; align-items: center; justify-content: center; font-size: 14px; transition: var(--transition); }
        .footer-social a:hover { background: var(--accent); color: #fff; border-color: var(--accent); transform: translateY(-3px); }
        .footer-col h4 { color: #fff; font-size: 16px; font-weight: 600; margin-bottom: 18px; }
        .footer-col ul li { margin-bottom: 10px; }
        .footer-col ul a { color: rgba(255, 255, 255, 0.55); font-size: 14px; display: inline-flex; align-items: center; gap: 7px; transition: var(--transition); }
        .footer-col ul a i { font-size: 10px; color: var(--accent); }
        .footer-col ul a:hover { color: var(--accent); padding-left: 4px; }
        .footer-contact li { display: flex; align-items: center; gap: 9px; color: rgba(255, 255, 255, 0.55); font-size: 14px; margin-bottom: 12px; }
        .footer-contact li i { color: var(--accent); width: 16px; text-align: center; }
        .footer-bottom { border-top: 1px solid rgba(255, 255, 255, 0.08); padding: 20px 0; display: flex; justify-content: space-between; gap: 12px; font-size: 13px; color: rgba(255, 255, 255, 0.35); flex-wrap: wrap; }
        .footer-bottom a { color: rgba(255, 255, 255, 0.45); transition: var(--transition); }
        .footer-bottom a:hover { color: var(--accent); }

        /* ===== 响应式 ===== */
        @media (max-width: 1024px) {
            .related-grid { grid-template-columns: repeat(2, 1fr); }
            .footer-grid { grid-template-columns: 1fr 1fr; }
            .header-top { padding: 12px 20px; }
            .header-search { max-width: 220px; }
        }
        @media (max-width: 768px) {
            .header-top { padding: 10px 16px; gap: 10px; }
            .header-search { display: none; position: absolute; top: 100%; left: 0; right: 0; background: var(--surface); padding: 14px 16px; box-shadow: var(--shadow-md); border-radius: 0; border: none; border-bottom: 1px solid var(--border); max-width: 100%; }
            .header-icon-btn { display: inline-flex; }
            .header-cta { padding: 8px 16px; font-size: 13px; }
            .board-header { margin-right: 0; }
            .nav-tabs { padding: 6px 12px; }
            .nav-tab { padding: 9px 14px; font-size: 13.5px; }
            .article-hero { padding: 42px 0 38px; }
            .article-card { padding: 26px 22px; }
            .article-meta { gap: 12px; font-size: 13px; }
            .article-head h1 { font-size: 1.55rem; }
            .tag-share-row { flex-direction: column; align-items: flex-start; }
            .article-footer-nav { flex-direction: column; align-items: flex-start; }
            .cta-actions { flex-direction: column; align-items: center; }
            .cta-actions .btn-light, .cta-actions .btn-outline-light { width: 100%; justify-content: center; }
            .related-grid { grid-template-columns: 1fr; gap: 20px; }
            .related-card img { height: 180px; }
            .faq-section { padding: 46px 0; }
            .related-section { padding: 46px 0 36px; }
            .footer-grid { grid-template-columns: 1fr 1fr; gap: 30px; }
        }
        @media (max-width: 520px) {
            .container { padding: 0 16px; }
            .header-top { flex-wrap: wrap; }
            .logo-text { font-size: 19px; }
            .header-cta { display: none; }
            .header-icon-btn { display: inline-flex; }
            .nav-tab { padding: 8px 12px; font-size: 13px; }
            .article-card { padding: 22px 16px; }
            .article-text { font-size: 15px; }
            .article-text h2 { font-size: 1.3rem; }
            .related-card img { height: 160px; }
            .footer-grid { grid-template-columns: 1fr; }
            .footer-bottom { flex-direction: column; text-align: center; justify-content: center; }
            .section-head h2 { font-size: 1.6rem; }
            .faq-item summary { font-size: 14.5px; padding: 16px 18px; padding-right: 44px; }
            .faq-item p { padding: 0 18px 18px; font-size: 14px; }
        }
        @media (max-width: 420px) {
            .header-cta { display: none; }
        }