/* roulang page: index */
:root{
  --primary:#059669;
  --primary-dark:#047857;
  --primary-light:#34d399;
  --accent:#f97316;
  --accent-light:#fdba74;
  --ink:#0f172a;
  --ink-soft:#1e293b;
  --gray:#64748b;
  --gray-light:#94a3b8;
  --light:#f8fafc;
  --white:#ffffff;
  --border:#e2e8f0;
  --radius:18px;
  --radius-sm:12px;
  --radius-lg:28px;
  --shadow:0 8px 30px rgba(2,44,34,.08);
  --shadow-lg:0 20px 50px rgba(2,44,34,.14);
  --transition:all .3s cubic-bezier(.4,0,.2,1);
  --nav-height:70px;
}
*,*::before,*::after{box-sizing:border-box;margin:0;padding:0}
html{scroll-behavior:smooth}
body{font-family:-apple-system,BlinkMacSystemFont,"Segoe UI","PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;color:var(--ink);background:var(--white);line-height:1.7;-webkit-font-smoothing:antialiased}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:var(--transition)}
button{font-family:inherit;cursor:pointer}
ul,ol{list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:100px 0}
.section-alt{background:var(--light)}
.section-head{text-align:center;max-width:720px;margin:0 auto 60px}
.section-head .eyebrow{display:inline-block;font-size:14px;font-weight:700;letter-spacing:.08em;text-transform:uppercase;color:var(--primary);background:rgba(5,150,105,.1);border:1px solid rgba(5,150,105,.18);padding:6px 18px;border-radius:999px;margin-bottom:16px}
.section-head h2{font-size:clamp(28px,4vw,44px);font-weight:800;line-height:1.15;letter-spacing:-.02em;color:var(--ink)}
.section-head h2 span{color:var(--primary)}
.section-head p{margin-top:14px;color:var(--gray);font-size:17px}

/* 悬浮胶囊导航 */
.site-header{position:fixed;top:18px;left:0;right:0;z-index:999;padding:0 20px;pointer-events:none}
.nav-capsule{max-width:1180px;margin:0 auto;background:rgba(255,255,255,.88);backdrop-filter:blur(20px);-webkit-backdrop-filter:blur(20px);border:1px solid rgba(255,255,255,.75);border-radius:999px;box-shadow:0 4px 32px rgba(15,23,42,.10);display:flex;align-items:center;justify-content:space-between;padding:12px 28px;pointer-events:auto;transition:var(--transition)}
.nav-logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:22px;letter-spacing:-.02em;color:var(--ink)}
.nav-logo span{color:var(--primary)}
.nav-logo .logo-mark{width:38px;height:38px;border-radius:12px;background:linear-gradient(135deg,var(--primary),var(--primary-light));display:flex;align-items:center;justify-content:center;color:#fff;font-weight:900;font-size:18px}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-link{position:relative;padding:10px 20px;border-radius:999px;font-size:15px;font-weight:600;color:var(--ink-soft);transition:var(--transition)}
.nav-link:hover{color:var(--primary);background:rgba(5,150,105,.08)}
.nav-link.active{color:var(--primary);background:rgba(5,150,105,.12)}
.nav-link.active::after{content:'';position:absolute;left:50%;bottom:5px;width:6px;height:6px;border-radius:50%;background:var(--primary);transform:translateX(-50%)}
.nav-cta{display:inline-flex;align-items:center;gap:8px;padding:10px 24px;border-radius:999px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;font-size:15px;font-weight:700;box-shadow:0 4px 16px rgba(5,150,105,.35);transition:var(--transition)}
.nav-cta:hover{transform:translateY(-2px);box-shadow:0 8px 24px rgba(5,150,105,.45)}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;background:rgba(5,150,105,.1);border:1px solid rgba(5,150,105,.2);flex-direction:column;align-items:center;justify-content:center;gap:5px}
.nav-toggle span{width:18px;height:2px;background:var(--primary);border-radius:2px;transition:var(--transition)}

/* Hero */
.hero{position:relative;min-height:100vh;display:flex;align-items:center;background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;padding:160px 0 80px;overflow:hidden}
.hero-overlay{position:absolute;inset:0;background:linear-gradient(120deg,rgba(6,38,31,.92) 0%,rgba(6,38,31,.75) 45%,rgba(5,150,105,.55) 100%);z-index:1}
.hero-content{position:relative;z-index:2;width:100%;max-width:1200px;margin:0 auto;padding:0 24px;color:#fff}
.hero-badge{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.15);border:1px solid rgba(255,255,255,.28);backdrop-filter:blur(10px);padding:8px 20px;border-radius:999px;font-size:14px;font-weight:600;letter-spacing:.04em;margin-bottom:24px}
.hero-badge i{width:7px;height:7px;border-radius:50%;background:var(--accent);box-shadow:0 0 12px var(--accent)}
.hero h1{font-size:clamp(40px,7vw,72px);font-weight:900;line-height:1.1;letter-spacing:-.03em;max-width:760px;margin-bottom:24px}
.hero h1 em{font-style:normal;color:var(--primary-light);position:relative}
.hero p{font-size:clamp(16px,2vw,20px);line-height:1.8;color:rgba(255,255,255,.85);max-width:650px;margin-bottom:36px}
.hero-actions{display:flex;flex-wrap:wrap;gap:16px;margin-bottom:56px}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:10px;padding:15px 34px;border-radius:999px;font-size:16px;font-weight:700;transition:var(--transition);border:2px solid transparent}
.btn-primary{background:linear-gradient(135deg,var(--accent),#ea580c);color:#fff;box-shadow:0 8px 30px rgba(249,115,22,.4)}
.btn-primary:hover{transform:translateY(-3px);box-shadow:0 14px 38px rgba(249,115,22,.5)}
.btn-outline{background:transparent;border-color:rgba(255,255,255,.5);color:#fff}
.btn-outline:hover{background:rgba(255,255,255,.12);border-color:#fff}
.hero-stats{display:grid;grid-template-columns:repeat(auto-fit,minmax(140px,1fr));gap:24px;max-width:560px}
.stat{background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);backdrop-filter:blur(12px);border-radius:20px;padding:22px 24px;text-align:center}
.stat strong{display:block;font-size:30px;font-weight:900;color:#fff;line-height:1.1}
.stat span{font-size:13px;color:rgba(255,255,255,.65);margin-top:4px;display:block}

/* 首页板块通用 */
.section{position:relative}

/* 核心特色 */
.feature-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(300px,1fr));gap:28px}
.feature-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);padding:36px 32px;box-shadow:var(--shadow);transition:var(--transition);position:relative;overflow:hidden}
.feature-card::before{content:'';position:absolute;top:0;left:0;right:0;height:4px;background:linear-gradient(90deg,var(--primary),var(--primary-light));opacity:0;transition:var(--transition)}
.feature-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg);border-color:rgba(5,150,105,.25)}
.feature-card:hover::before{opacity:1}
.feature-icon{width:56px;height:56px;border-radius:16px;display:flex;align-items:center;justify-content:center;font-size:24px;background:rgba(5,150,105,.12);color:var(--primary);margin-bottom:22px}
.feature-card h3{font-size:20px;font-weight:800;margin-bottom:12px;color:var(--ink)}
.feature-card p{color:var(--gray);font-size:15px;line-height:1.75}

/* 分类入口 */
.category-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(460px,1fr));gap:28px}
.category-card{position:relative;border-radius:var(--radius-lg);overflow:hidden;min-height:300px;display:flex;align-items:flex-end;box-shadow:var(--shadow);transition:var(--transition);border:1px solid var(--border)}
.category-card img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;transition:var(--transition)}
.category-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.category-card:hover img{transform:scale(1.05)}
.category-card .cc-overlay{position:absolute;inset:0;background:linear-gradient(to top,rgba(6,38,31,.92) 0%,rgba(6,38,31,.45) 60%,rgba(6,38,31,.1) 100%);z-index:1}
.category-card .cc-body{position:relative;z-index:2;padding:34px;color:#fff;width:100%}
.category-card .cc-tag{display:inline-block;font-size:13px;font-weight:700;letter-spacing:.05em;background:rgba(249,115,22,.9);padding:5px 14px;border-radius:999px;margin-bottom:12px}
.category-card h3{font-size:28px;font-weight:900;margin-bottom:10px}
.category-card p{font-size:15px;line-height:1.7;color:rgba(255,255,255,.9);max-width:380px}
.category-card .cc-link{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:#fff;margin-top:18px;border-bottom:2px solid var(--accent);padding-bottom:2px}

/* 最新资讯列表区 */
.latest-wrap{display:grid;grid-template-columns:1.05fr .95fr;gap:32px;align-items:start}
.latest-featured{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);position:sticky;top:100px;transition:var(--transition)}
.latest-featured:hover{box-shadow:var(--shadow-lg)}
.latest-featured img{width:100%;height:260px;object-fit:cover}
.latest-featured .lf-body{padding:28px}
.post-meta{display:flex;align-items:center;gap:12px;margin-bottom:12px}
.badge{display:inline-block;background:rgba(5,150,105,.12);color:var(--primary);font-size:13px;font-weight:700;padding:4px 12px;border-radius:999px}
.badge-accent{background:rgba(249,115,22,.12);color:#c2410c}
.latest-featured h3{font-size:22px;font-weight:800;line-height:1.4;margin-bottom:12px;color:var(--ink)}
.latest-featured .lf-excerpt{color:var(--gray);font-size:15px;line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.post-list{display:flex;flex-direction:column;gap:14px}
.post-row{display:flex;align-items:center;gap:16px;background:#fff;border:1px solid var(--border);border-radius:var(--radius-sm);padding:18px 20px;transition:var(--transition)}
.post-row:hover{border-color:var(--primary);box-shadow:var(--shadow);transform:translateX(6px)}
.post-row .pr-index{font-size:14px;font-weight:900;color:var(--primary);background:rgba(5,150,105,.1);width:34px;height:34px;border-radius:10px;display:flex;align-items:center;justify-content:center;flex-shrink:0}
.post-row h3{font-size:15px;font-weight:700;color:var(--ink);flex:1;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.post-row time{font-size:12px;color:var(--gray-light);white-space:nowrap;flex-shrink:0}

/* 流程板块 */
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step-item{text-align:center;padding:36px 24px;position:relative}
.step-item::before{content:'';position:absolute;top:58px;left:65%;width:100%;height:2px;background:linear-gradient(90deg,var(--primary-light),rgba(5,150,105,.15));z-index:0}
.step-item:last-child::before{display:none}
.step-num{width:56px;height:56px;margin:0 auto 20px;border-radius:18px;background:linear-gradient(135deg,var(--primary),var(--primary-dark));color:#fff;font-size:20px;font-weight:900;display:flex;align-items:center;justify-content:center;box-shadow:0 8px 20px rgba(5,150,105,.3);position:relative;z-index:1}
.step-item h3{font-size:17px;font-weight:800;margin-bottom:10px;color:var(--ink)}
.step-item p{font-size:14px;color:var(--gray);line-height:1.7}

/* 推荐内容 */
.recommend-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(320px,1fr));gap:28px}
.reco-card{background:#fff;border:1px solid var(--border);border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow);transition:var(--transition);display:flex;flex-direction:column}
.reco-card:hover{transform:translateY(-6px);box-shadow:var(--shadow-lg)}
.reco-card .reco-img{height:200px;overflow:hidden;position:relative}
.reco-card .reco-img img{width:100%;height:100%;object-fit:cover;transition:var(--transition)}
.reco-card:hover .reco-img img{transform:scale(1.06)}
.reco-card .reco-tag{position:absolute;top:16px;left:16px;background:rgba(15,23,42,.75);backdrop-filter:blur(8px);color:#fff;font-size:12px;font-weight:700;padding:4px 12px;border-radius:999px;z-index:1}
.reco-card .reco-body{padding:24px;display:flex;flex-direction:column;flex:1}
.reco-card .reco-body h3{font-size:18px;font-weight:800;line-height:1.5;margin-bottom:10px;color:var(--ink)}
.reco-card .reco-body p{font-size:14px;color:var(--gray);line-height:1.7;flex:1;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.reco-card .reco-meta{display:flex;align-items:center;justify-content:space-between;margin-top:20px;padding-top:16px;border-top:1px dashed var(--border)}
.reco-card .reco-meta span{font-size:13px;color:var(--gray-light)}
.reco-card .reco-meta a{font-size:14px;font-weight:700;color:var(--primary)}

/* FAQ */
.faq-wrapper{max-width:800px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--radius);margin-bottom:16px;transition:var(--transition);overflow:hidden}
.faq-item[open]{box-shadow:var(--shadow);border-color:rgba(5,150,105,.25)}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;padding:24px 28px;font-size:18px;font-weight:700;color:var(--ink);cursor:pointer;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary .faq-icon{width:28px;height:28px;border-radius:50%;background:rgba(5,150,105,.12);color:var(--primary);display:flex;align-items:center;justify-content:center;flex-shrink:0;font-weight:900;transition:var(--transition)}
.faq-item[open] summary .faq-icon{transform:rotate(45deg)}
.faq-item .faq-answer{padding:0 28px 26px;color:var(--gray);font-size:15px;line-height:1.8}

/* CTA */
.cta-box{background:linear-gradient(135deg,rgba(5,150,105,.95),rgba(2,44,34,.98)),url('/assets/images/backpic/back-2.png') center/cover;border-radius:var(--radius-lg);padding:70px 48px;text-align:center;color:#fff;position:relative;overflow:hidden}
.cta-box::after{content:'';position:absolute;top:-60px;right:-60px;width:180px;height:180px;border-radius:50%;background:rgba(255,255,255,.06)}
.cta-box h2{font-size:clamp(26px,4vw,40px);font-weight:900;margin-bottom:16px}
.cta-box p{font-size:17px;color:rgba(255,255,255,.85);max-width:600px;margin:0 auto 32px}
.cta-box .btn-white{background:#fff;color:var(--primary);padding:15px 36px;border-radius:999px;font-weight:700;border:2px solid transparent;transition:var(--transition)}
.cta-box .btn-white:hover{transform:translateY(-3px);box-shadow:0 12px 30px rgba(0,0,0,.2)}

/* Footer */
.site-footer{background:#0b1f1a;color:rgba(255,255,255,.7);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:48px;margin-bottom:48px}
.footer-brand .footer-logo{font-size:24px;font-weight:900;color:#fff;margin-bottom:16px;display:inline-flex;align-items:center;gap:10px}
.footer-brand .footer-logo span{color:var(--primary-light)}
.footer-brand p{font-size:14px;line-height:1.8;max-width:320px}
.footer-title{font-size:16px;font-weight:800;color:#fff;margin-bottom:20px}
.footer-links li{margin-bottom:12px}
.footer-links a{font-size:14px;color:rgba(255,255,255,.65);transition:var(--transition)}
.footer-links a:hover{color:var(--primary-light);padding-left:6px}
.footer-bottom{border-top:1px solid rgba(255,255,255,.1);padding-top:24px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.4)}

/* 动画 */
@keyframes fadeUp{from{opacity:0;transform:translateY(30px)}to{opacity:1;transform:translateY(0)}}
.animate-up{animation:fadeUp .8s ease both}
.delay-1{animation-delay:.1s}
.delay-2{animation-delay:.2s}
.delay-3{animation-delay:.3s}

/* 响应式 */
@media (max-width:1024px){
  .latest-wrap{grid-template-columns:1fr}
  .latest-featured{position:static}
  .steps-grid{grid-template-columns:repeat(2,1fr)}
  .step-item::before{display:none}
  .category-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:768px){
  .section{padding:70px 0}
  .nav-capsule{padding:10px 18px}
  .nav-links{position:fixed;top:78px;left:20px;right:20px;background:#fff;border-radius:20px;box-shadow:var(--shadow-lg);flex-direction:column;align-items:stretch;padding:16px;display:none;border:1px solid var(--border)}
  .nav-links.open{display:flex}
  .nav-link{padding:14px 20px;font-size:16px}
  .nav-cta{display:none}
  .nav-toggle{display:flex}
  .hero{padding:140px 0 60px;min-height:auto}
  .hero-stats{grid-template-columns:repeat(3,1fr);gap:12px}
  .stat{padding:16px 12px}
  .stat strong{font-size:22px}
  .category-card{min-height:240px}
  .category-card h3{font-size:22px}
  .cta-box{padding:50px 24px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;text-align:center}
  .faq-item summary{font-size:16px;padding:20px}
  .faq-item .faq-answer{padding:0 20px 22px}
}
@media (max-width:520px){
  .container{padding:0 18px}
  .hero h1{font-size:34px}
  .hero-actions{flex-direction:column}
  .btn{width:100%}
  .hero-stats{grid-template-columns:1fr}
  .feature-grid{grid-template-columns:1fr}
  .recommend-grid{grid-template-columns:1fr}
  .steps-grid{grid-template-columns:1fr}
  .post-row{flex-wrap:wrap;gap:10px}
  .post-row time{width:100%;padding-left:50px}
}

/* roulang page: article */
:root {
  --primary: #f97316;
  --primary-dark: #ea580c;
  --primary-light: #fff7ed;
  --accent: #0f172a;
  --accent-light: #1e293b;
  --success: #10b981;
  --bg: #f8fafc;
  --text: #334155;
  --text-light: #64748b;
  --border: #e2e8f0;
  --radius: 16px;
  --shadow: 0 4px 24px rgba(15, 23, 42, 0.06);
  --shadow-lg: 0 12px 40px rgba(15, 23, 42, 0.12);
  --container: 1280px;
  --font: 'Inter', 'PingFang SC', 'Microsoft YaHei', -apple-system, sans-serif;
}
* { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; }
body {
  font-family: var(--font);
  background: var(--bg);
  color: var(--text);
  line-height: 1.7;
  -webkit-font-smoothing: antialiased;
}
a { text-decoration: none; color: inherit; }
img { max-width: 100%; display: block; }
button, input { font-family: inherit; }
.container { max-width: var(--container); margin: 0 auto; padding: 0 24px; }

/* 导航 */
.site-header { position: sticky; top: 16px; z-index: 50; padding: 0 20px; }
.nav-capsule {
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  gap: 24px;
  background: rgba(255,255,255,0.92);
  backdrop-filter: blur(14px);
  border: 1px solid rgba(226,232,240,0.8);
  border-radius: 999px;
  padding: 12px 24px;
  box-shadow: 0 4px 24px rgba(15,23,42,0.06);
  transition: box-shadow 0.3s;
}
.nav-capsule:hover { box-shadow: 0 6px 32px rgba(15,23,42,0.1); }
.nav-logo { display: flex; align-items: center; gap: 10px; font-weight: 800; font-size: 1.1rem; color: var(--text); white-space: nowrap; }
.logo-mark {
  display: inline-flex; align-items: center; justify-content: center;
  width: 34px; height: 34px;
  background: linear-gradient(135deg, #f97316, #f59e0b);
  border-radius: 10px;
  color: #fff; font-weight: 900; font-size: 0.85rem;
  box-shadow: 0 4px 12px rgba(249,115,22,0.3);
  letter-spacing: 0.5px;
}
.nav-links { display: flex; align-items: center; gap: 4px; flex: 1; justify-content: flex-end; }
.nav-link {
  padding: 8px 18px;
  border-radius: 999px;
  font-size: 0.95rem;
  font-weight: 500;
  color: var(--text-light);
  transition: all 0.25s;
  white-space: nowrap;
}
.nav-link:hover { background: var(--primary-light); color: var(--primary-dark); }
.nav-link.active { background: var(--primary); color: #fff; font-weight: 600; box-shadow: 0 4px 14px rgba(249,115,22,0.25); }
.nav-cta {
  padding: 8px 20px;
  border-radius: 999px;
  background: var(--accent);
  color: #fff;
  font-size: 0.9rem;
  font-weight: 600;
  transition: all 0.25s;
  white-space: nowrap;
}
.nav-cta:hover { background: var(--primary); transform: translateY(-1px); box-shadow: 0 6px 20px rgba(249,115,22,0.3); }
.nav-toggle { display: none; background: none; border: none; cursor: pointer; padding: 8px; flex-direction: column; gap: 5px; }
.nav-toggle span { display: block; width: 22px; height: 2px; background: var(--text); border-radius: 2px; transition: all 0.3s; }
@media (max-width: 768px) {
  .nav-links {
    position: absolute;
    top: 70px;
    left: 20px;
    right: 20px;
    background: #fff;
    border-radius: 16px;
    box-shadow: var(--shadow-lg);
    padding: 16px;
    flex-direction: column;
    gap: 8px;
    display: none;
    align-items: stretch;
  }
  .nav-links.nav-open { display: flex; }
  .nav-link { text-align: center; }
  .nav-toggle { display: flex; }
  .nav-cta { display: none; }
  .nav-capsule { padding: 10px 16px; }
}

/* 文章 Banner */
.article-banner {
  position: relative;
  padding: 100px 0 80px;
  background-image: url('/assets/images/backpic/back-1.png');
  background-size: cover;
  background-position: center;
  border-radius: 0;
  overflow: hidden;
}
.article-banner::before {
  content: '';
  position: absolute;
  inset: 0;
  background: linear-gradient(135deg, rgba(15,23,42,0.85), rgba(15,23,42,0.4));
}
.article-banner-inner { position: relative; z-index: 2; color: #fff; max-width: 860px; }
.article-category {
  display: inline-block;
  background: rgba(249,115,22,0.9);
  padding: 6px 18px;
  border-radius: 999px;
  font-size: 0.83rem;
  font-weight: 600;
  letter-spacing: 0.5px;
  margin-bottom: 20px;
  color: #fff;
}
.article-banner-inner h1 {
  font-size: 2.6rem;
  font-weight: 800;
  line-height: 1.3;
  margin-bottom: 20px;
  letter-spacing: -0.5px;
  text-shadow: 0 2px 20px rgba(0,0,0,0.2);
}
.article-meta { display: flex; flex-wrap: wrap; gap: 20px; font-size: 0.9rem; color: rgba(255,255,255,0.9); }
.article-meta .meta-item { display: flex; align-items: center; gap: 6px; }
.article-meta .fa-solid, .article-meta .fa-regular { color: #f97316; }
@media (max-width: 768px) {
  .article-banner { padding: 70px 0 50px; }
  .article-banner-inner h1 { font-size: 1.8rem; }
}

/* 文章主体布局 */
.article-layout { padding: 60px 0; }
.article-grid { display: grid; grid-template-columns: 1fr 340px; gap: 40px; }
@media (max-width: 992px) {
  .article-grid { grid-template-columns: 1fr; gap: 40px; }
}

/* 文章正文 */
.article-main {
  background: #fff;
  border-radius: var(--radius);
  padding: 40px 44px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.article-content { font-size: 1.1rem; line-height: 1.95; color: #1e293b; }
.article-content p { margin-bottom: 1.4rem; }
.article-content h2 {
  font-size: 1.65rem;
  font-weight: 700;
  color: #0f172a;
  margin-top: 2.5rem;
  margin-bottom: 1rem;
  padding-left: 14px;
  border-left: 4px solid var(--primary);
  line-height: 1.4;
}
.article-content h3 {
  font-size: 1.35rem;
  font-weight: 700;
  color: #0f172a;
  margin-top: 1.8rem;
  margin-bottom: 0.8rem;
}
.article-content ul, .article-content ol { margin-bottom: 1.4rem; padding-left: 1.6rem; }
.article-content li { margin-bottom: 0.5rem; }
.article-content a { color: var(--primary-dark); font-weight: 600; border-bottom: 1px solid rgba(249,115,22,0.3); }
.article-content a:hover { border-bottom-color: var(--primary-dark); }
.article-content blockquote {
  border-left: 4px solid var(--primary);
  background: var(--primary-light);
  padding: 16px 24px;
  border-radius: 0 12px 12px 0;
  margin: 1.5rem 0;
  font-style: italic;
  color: #1e293b;
}
.article-content img { border-radius: 12px; margin: 1.5rem 0; box-shadow: var(--shadow); }
.article-content code {
  background: #f1f5f9;
  padding: 2px 8px;
  border-radius: 6px;
  font-size: 0.9em;
  color: var(--primary-dark);
}

/* 文章底部标签 */
.article-tags { margin-top: 32px; padding-top: 24px; border-top: 1px solid var(--border); display: flex; flex-wrap: wrap; gap: 8px; }
.tag-item {
  display: inline-block;
  padding: 5px 14px;
  background: var(--primary-light);
  color: var(--primary-dark);
  border-radius: 999px;
  font-size: 0.83rem;
  font-weight: 500;
}

/* 内容未找到 */
.not-found { text-align: center; padding: 60px 20px; }
.not-found .icon-circle {
  width: 72px; height: 72px;
  background: var(--primary-light);
  border-radius: 50%;
  display: flex; align-items: center; justify-content: center;
  margin: 0 auto 24px;
  color: var(--primary);
  font-size: 2rem;
}
.not-found h2 { font-size: 1.8rem; color: #0f172a; margin-bottom: 12px; }
.not-found p { color: var(--text-light); margin-bottom: 24px; }
.btn-primary {
  display: inline-block;
  background: var(--primary);
  color: #fff;
  padding: 12px 32px;
  border-radius: 999px;
  font-weight: 600;
  transition: all 0.3s;
  box-shadow: 0 4px 16px rgba(249,115,22,0.25);
}
.btn-primary:hover { background: var(--primary-dark); transform: translateY(-2px); box-shadow: 0 8px 24px rgba(249,115,22,0.35); }

/* 侧边栏 */
.article-sidebar { display: flex; flex-direction: column; gap: 24px; }
.sidebar-widget {
  background: #fff;
  border-radius: var(--radius);
  padding: 28px;
  box-shadow: var(--shadow);
  border: 1px solid var(--border);
}
.widget-title {
  font-size: 1.2rem;
  font-weight: 700;
  color: #0f172a;
  margin-bottom: 20px;
  display: flex;
  align-items: center;
  gap: 10px;
}
.widget-title::before { content: ''; width: 4px; height: 18px; background: var(--primary); border-radius: 4px; }
.sidebar-list { list-style: none; }
.sidebar-list li { border-bottom: 1px solid #f1f5f9; padding: 8px 0; }
.sidebar-list li:last-child { border-bottom: none; }
.sidebar-list a { display: flex; align-items: center; gap: 12px; transition: all 0.25s; }
.sidebar-list a:hover .sidebar-title { color: var(--primary-dark); }
.sidebar-dot {
  width: 8px; height: 8px;
  border-radius: 50%;
  background: var(--primary);
  flex-shrink: 0;
  transition: transform 0.25s;
}
.sidebar-list a:hover .sidebar-dot { transform: scale(1.3); }
.sidebar-title { flex: 1; font-size: 0.92rem; font-weight: 500; color: #334155; line-height: 1.5; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.sidebar-date { font-size: 0.78rem; color: #94a3b8; white-space: nowrap; }

.sidebar-category-list { display: flex; flex-direction: column; gap: 12px; }
.category-card {
  display: flex; align-items: center; justify-content: space-between;
  padding: 14px 18px;
  border-radius: 12px;
  border: 1px solid var(--border);
  transition: all 0.25s;
}
.category-card:hover { border-color: var(--primary); background: var(--primary-light); transform: translateX(4px); }
.category-card span { font-size: 0.95rem; font-weight: 500; color: #334155; }
.category-card .fa-solid { color: var(--primary); }

/* 相关推荐 */
.related-posts { padding: 60px 0; background: #fff; border-top: 1px solid var(--border); }
.section-header { text-align: center; margin-bottom: 40px; }
.section-tag {
  display: inline-block;
  background: var(--primary-light);
  color: var(--primary-dark);
  padding: 4px 16px;
  border-radius: 999px;
  font-size: 0.8rem;
  font-weight: 600;
  letter-spacing: 1px;
  margin-bottom: 12px;
}
.section-header h2 { font-size: 2rem; font-weight: 800; color: #0f172a; letter-spacing: -0.5px; }
.related-grid { display: grid; grid-template-columns: repeat(4, 1fr); gap: 24px; }
.related-card {
  background: #fff;
  border-radius: var(--radius);
  border: 1px solid var(--border);
  overflow: hidden;
  transition: all 0.3s;
  display: block;
}
.related-card:hover { transform: translateY(-6px); box-shadow: var(--shadow-lg); border-color: rgba(249,115,22,0.3); }
.related-thumb { position: relative; height: 160px; overflow: hidden; }
.related-thumb img { width: 100%; height: 100%; object-fit: cover; transition: transform 0.4s; }
.related-card:hover .related-thumb img { transform: scale(1.05); }
.card-badge {
  position: absolute;
  left: 12px; top: 12px;
  background: rgba(249,115,22,0.9);
  color: #fff;
  font-size: 0.75rem;
  font-weight: 600;
  padding: 3px 12px;
  border-radius: 999px;
}
.related-info { padding: 18px 20px 20px; }
.related-info h3 { font-size: 1rem; font-weight: 600; color: #0f172a; line-height: 1.5; margin-bottom: 8px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.related-info p { font-size: 0.85rem; color: var(--text-light); margin-bottom: 12px; display: -webkit-box; -webkit-line-clamp: 2; -webkit-box-orient: vertical; overflow: hidden; }
.related-date { font-size: 0.8rem; color: #94a3b8; }
@media (max-width: 992px) {
  .related-grid { grid-template-columns: repeat(2, 1fr); }
}
@media (max-width: 520px) {
  .related-grid { grid-template-columns: 1fr; }
}

/* CTA区 */
.cta-section {
  position: relative;
  padding: 80px 0;
  background-image: url('/assets/images/backpic/back-2.png');
  background-size: cover;
  background-position: center;
  border-radius: 0;
}
.cta-section::before {
  content: '';
  position: absolute; inset: 0;
  background: linear-gradient(90deg, rgba(15,23,42,0.85), rgba(249,115,22,0.3));
}
.cta-inner { position: relative; z-index: 2; text-align: center; color: #fff; max-width: 600px; margin: 0 auto; }
.cta-inner h2 { font-size: 2rem; font-weight: 800; margin-bottom: 16px; letter-spacing: -0.5px; }
.cta-inner p { font-size: 1.05rem; opacity: 0.9; margin-bottom: 28px; }
.btn-white {
  display: inline-block;
  background: #fff;
  color: #0f172a;
  padding: 14px 36px;
  border-radius: 999px;
  font-weight: 700;
  font-size: 1rem;
  transition: all 0.3s;
  box-shadow: 0 4px 16px rgba(0,0,0,0.15);
}
.btn-white:hover { transform: translateY(-2px); box-shadow: 0 8px 28px rgba(0,0,0,0.2); background: #f1f5f9; }
@media (max-width: 768px) {
  .cta-section { padding: 60px 0; }
  .cta-inner h2 { font-size: 1.6rem; }
}

/* FAQ */
.faq-section { padding: 60px 0 80px; }
.faq-grid { max-width: 800px; margin: 0 auto; display: flex; flex-direction: column; gap: 14px; }
.faq-item {
  background: #fff;
  border: 1px solid var(--border);
  border-radius: 14px;
  padding: 20px 24px;
  transition: border-color 0.3s, box-shadow 0.3s;
}
.faq-item:hover { border-color: rgba(249,115,22,0.4); box-shadow: var(--shadow); }
.faq-item h3 { font-size: 1.05rem; font-weight: 600; color: #0f172a; margin-bottom: 8px; display: flex; align-items: center; gap: 10px; }
.faq-item h3 .fa-solid { color: var(--primary); font-size: 0.9rem; }
.faq-item p { font-size: 0.92rem; color: var(--text-light); line-height: 1.7; padding-left: 26px; }

/* 页脚 */
.site-footer { background: var(--accent); color: rgba(255,255,255,0.8); padding: 60px 0 24px; }
.footer-grid { display: grid; grid-template-columns: 2fr 1fr 1fr; gap: 40px; margin-bottom: 40px; }
.footer-brand .footer-logo {
  display: inline-flex; align-items: center; gap: 10px;
  font-size: 1.3rem; font-weight: 800; color: #fff;
  margin-bottom: 16px;
}
.footer-brand p { font-size: 0.9rem; line-height: 1.7; color: rgba(255,255,255,0.6); max-width: 340px; }
.footer-title { font-size: 1rem; font-weight: 600; color: #fff; margin-bottom: 16px; }
.footer-links { list-style: none; }
.footer-links li { margin-bottom: 10px; }
.footer-links a { color: rgba(255,255,255,0.6); font-size: 0.9rem; transition: all 0.25s; }
.footer-links a:hover { color: var(--primary); padding-left: 4px; }
.footer-bottom {
  border-top: 1px solid rgba(255,255,255,0.1);
  padding-top: 24px;
  text-align: center;
  font-size: 0.82rem;
  color: rgba(255,255,255,0.45);
  display: flex; flex-direction: column; gap: 6px;
}
@media (max-width: 768px) {
  .footer-grid { grid-template-columns: 1fr; gap: 32px; }
}

/* 通用辅助 */
.text-primary { color: var(--primary); }
.bg-primary { background: var(--primary); }
.mt-1 { margin-top: 0.5rem; }
.mb-1 { margin-bottom: 0.5rem; }

/* roulang page: category1 */
:root {
  --primary: #0f172a;
  --primary-light: #1e293b;
  --secondary: #f59e0b;
  --secondary-light: #fbbf24;
  --accent: #0ea5e9;
  --bg: #f8fafc;
  --surface: #ffffff;
  --text: #1e293b;
  --muted: #64748b;
  --border: #e2e8f0;
  --radius: 20px;
  --radius-sm: 14px;
  --shadow: 0 8px 24px rgba(15, 23, 42, 0.08);
  --shadow-lg: 0 18px 40px rgba(15, 23, 42, 0.14);
  --space: 4.5rem;
}

* {
  box-sizing: border-box;
}

html {
  scroll-behavior: smooth;
}

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

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

img {
  max-width: 100%;
}

.container {
  max-width: 1200px;
  margin: 0 auto;
  padding: 0 24px;
}

.site-header {
  position: sticky;
  top: 0;
  z-index: 100;
  padding: 16px 24px;
}

.nav-capsule {
  position: relative;
  max-width: 1200px;
  margin: 0 auto;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 16px;
  background: rgba(255, 255, 255, 0.88);
  backdrop-filter: blur(14px);
  -webkit-backdrop-filter: blur(14px);
  border: 1px solid rgba(255, 255, 255, 0.6);
  box-shadow: var(--shadow);
  border-radius: 60px;
  padding: 10px 16px;
}

.nav-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  font-size: 18px;
  font-weight: 800;
  color: var(--primary);
  white-space: nowrap;
}

.logo-mark {
  width: 38px;
  height: 38px;
  border-radius: 12px;
  background: var(--primary);
  color: #fff;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-weight: 900;
  letter-spacing: -0.5px;
}

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

.nav-link {
  padding: 8px 18px;
  border-radius: 40px;
  font-weight: 600;
  font-size: 15px;
  color: var(--muted);
  transition: all 0.25s;
}

.nav-link:hover {
  background: #f1f5f9;
  color: var(--primary);
}

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

.nav-cta {
  display: inline-flex;
  align-items: center;
  gap: 6px;
  padding: 9px 20px;
  border-radius: 40px;
  background: var(--secondary);
  color: var(--primary);
  font-weight: 700;
  font-size: 14px;
  transition: all 0.25s;
  box-shadow: 0 4px 12px rgba(245, 158, 11, 0.3);
}

.nav-cta:hover {
  background: var(--secondary-light);
  transform: translateY(-1px);
  box-shadow: 0 8px 20px rgba(245, 158, 11, 0.4);
}

.nav-toggle {
  display: none;
  background: transparent;
  border: 0;
  cursor: pointer;
  flex-direction: column;
  gap: 5px;
  padding: 10px;
  border-radius: 10px;
}

.nav-toggle span {
  display: block;
  width: 22px;
  height: 2px;
  background: var(--primary);
  border-radius: 3px;
  transition: all 0.3s;
}

.section {
  padding: calc(var(--space) - 0.5rem) 0;
}

.section-head {
  display: flex;
  align-items: flex-end;
  justify-content: space-between;
  gap: 16px;
  margin-bottom: 28px;
  flex-wrap: wrap;
}

.section-title {
  font-size: 28px;
  line-height: 1.3;
  font-weight: 800;
  color: var(--primary);
  margin: 0;
}

.section-title span {
  color: var(--secondary);
}

.section-sub {
  color: var(--muted);
  font-size: 15px;
  margin: 6px 0 0;
}

.hero {
  position: relative;
  min-height: 520px;
  display: flex;
  align-items: center;
  padding: 80px 0;
  background: linear-gradient(135deg, rgba(15, 23, 42, 0.92) 0%, rgba(15, 23, 42, 0.7) 60%, rgba(2, 132, 199, 0.25) 100%), url('/assets/images/backpic/back-2.png') center / cover no-repeat;
  color: #fff;
}

.hero-inner {
  max-width: 760px;
}

.hero .badge {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  padding: 8px 16px;
  border-radius: 50px;
  background: rgba(255, 255, 255, 0.12);
  border: 1px solid rgba(255, 255, 255, 0.2);
  font-size: 14px;
  backdrop-filter: blur(6px);
  letter-spacing: 0.02em;
}

.hero h1 {
  font-size: 48px;
  line-height: 1.12;
  margin: 22px 0 18px;
  font-weight: 900;
  letter-spacing: -0.02em;
}

.hero p {
  font-size: 18px;
  max-width: 640px;
  color: rgba(255, 255, 255, 0.85);
  margin: 0;
}

.hero-buttons {
  display: flex;
  gap: 14px;
  margin-top: 30px;
  flex-wrap: wrap;
}

.hero-meta {
  display: flex;
  gap: 24px;
  margin-top: 32px;
  color: rgba(255, 255, 255, 0.7);
  font-size: 14px;
  flex-wrap: wrap;
}

.hero-meta span {
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.btn {
  display: inline-flex;
  align-items: center;
  justify-content: center;
  gap: 8px;
  padding: 12px 26px;
  border-radius: 50px;
  font-weight: 700;
  font-size: 15px;
  border: 0;
  cursor: pointer;
  transition: all 0.25s;
}

.btn-primary {
  background: var(--secondary);
  color: var(--primary);
  box-shadow: 0 8px 20px rgba(245, 158, 11, 0.25);
}

.btn-primary:hover {
  background: var(--secondary-light);
  transform: translateY(-2px);
  box-shadow: 0 12px 28px rgba(245, 158, 11, 0.35);
}

.btn-outline {
  background: transparent;
  border: 1px solid rgba(255, 255, 255, 0.5);
  color: #fff;
}

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

.ticker-bar {
  background: var(--primary);
  color: #fff;
  padding: 14px 0;
}

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

.ticker-label {
  display: inline-flex;
  align-items: center;
  gap: 8px;
  background: var(--secondary);
  color: var(--primary);
  font-weight: 800;
  font-size: 13px;
  padding: 6px 14px;
  border-radius: 40px;
  white-space: nowrap;
}

.ticker-track {
  display: flex;
  gap: 32px;
  overflow-x: auto;
  scrollbar-width: none;
  white-space: nowrap;
}

.ticker-track::-webkit-scrollbar {
  display: none;
}

.ticker-track span {
  font-size: 14px;
  color: #e2e8f0;
  display: inline-flex;
  align-items: center;
  gap: 8px;
}

.ticker-track span::before {
  content: "●";
  color: var(--secondary);
  font-size: 8px;
}

.tag-filters {
  display: flex;
  flex-wrap: wrap;
  gap: 10px;
}

.filter-tag {
  display: inline-block;
  padding: 8px 18px;
  border-radius: 40px;
  background: var(--surface);
  border: 1px solid var(--border);
  color: var(--muted);
  font-size: 14px;
  font-weight: 600;
  transition: all 0.25s;
}

.filter-tag:hover {
  border-color: var(--primary);
  color: var(--primary);
  transform: translateY(-1px);
}

.filter-tag.active {
  background: var(--primary);
  border-color: var(--primary);
  color: #fff;
}

.news-card {
  background: var(--surface);
  border-radius: var(--radius);
  overflow: hidden;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: all 0.3s ease;
  height: 100%;
  display: flex;
  flex-direction: column;
}

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

.news-card .cover {
  height: 190px;
  overflow: hidden;
  position: relative;
}

.news-card .cover .news-tag {
  position: absolute;
  left: 14px;
  top: 14px;
  margin: 0;
}

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

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

.news-card .content {
  padding: 20px;
  display: flex;
  flex-direction: column;
  flex: 1;
}

.news-card h3 {
  font-size: 17px;
  line-height: 1.5;
  margin: 0 0 8px;
  color: var(--primary);
  font-weight: 700;
}

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

.news-card .news-meta {
  margin-top: 16px;
  display: flex;
  gap: 16px;
  font-size: 13px;
  color: var(--muted);
}

.news-tag {
  display: inline-block;
  padding: 5px 12px;
  border-radius: 30px;
  background: #eff6ff;
  color: var(--accent);
  font-size: 12px;
  font-weight: 700;
}

.rank-list {
  margin: 0;
  padding: 0;
  list-style: none;
}

.rank-item {
  display: flex;
  align-items: center;
  gap: 14px;
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 14px 16px;
  margin-bottom: 12px;
  transition: all 0.25s;
}

.rank-item:hover {
  border-color: var(--secondary);
  box-shadow: var(--shadow);
  transform: translateX(4px);
}

.rank-num {
  min-width: 34px;
  height: 34px;
  border-radius: 12px;
  background: var(--primary);
  color: #fff;
  display: flex;
  align-items: center;
  justify-content: center;
  font-weight: 800;
}

.rank-item:nth-child(1) .rank-num {
  background: var(--secondary);
  color: var(--primary);
}

.rank-item:nth-child(2) .rank-num {
  background: #94a3b8;
}

.rank-item:nth-child(3) .rank-num {
  background: #b45309;
}

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

.rank-item h4 {
  font-size: 15px;
  margin: 0 0 4px;
  color: var(--primary);
  font-weight: 700;
  line-height: 1.5;
}

.rank-item .rank-meta {
  font-size: 12px;
  color: var(--muted);
  display: flex;
  gap: 12px;
}

.rank-side {
  position: relative;
  border-radius: var(--radius);
  overflow: hidden;
  min-height: 420px;
  box-shadow: var(--shadow-lg);
}

.rank-side img {
  width: 100%;
  height: 100%;
  object-fit: cover;
}

.rank-side .rank-overlay {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.8), transparent);
  display: flex;
  align-items: flex-end;
  padding: 24px;
}

.rank-side .rank-overlay h3 {
  color: #fff;
  font-size: 22px;
  margin: 0;
}

.stat-card {
  position: relative;
  background: var(--primary);
  color: #fff;
  border-radius: var(--radius);
  padding: 28px 24px;
  overflow: hidden;
  box-shadow: var(--shadow-lg);
}

.stat-card::after {
  content: "";
  position: absolute;
  width: 120px;
  height: 120px;
  background: rgba(245, 158, 11, 0.2);
  border-radius: 50%;
  right: -30px;
  top: -30px;
}

.stat-card i {
  font-size: 24px;
  color: var(--secondary-light);
}

.stat-card .num {
  font-size: 42px;
  font-weight: 900;
  margin: 10px 0 4px;
  letter-spacing: -0.02em;
}

.stat-card .label {
  color: #94a3b8;
  font-size: 14px;
}

.topic-scroll {
  display: flex;
  gap: 20px;
  overflow-x: auto;
  scroll-snap-type: x mandatory;
  padding: 4px 0 20px;
  scrollbar-width: thin;
}

.topic-card {
  position: relative;
  flex: 0 0 280px;
  min-height: 220px;
  border-radius: var(--radius);
  overflow: hidden;
  scroll-snap-align: start;
  border: 1px solid var(--border);
  box-shadow: var(--shadow);
  transition: all 0.3s;
}

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

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

.topic-card .topic-info {
  position: absolute;
  inset: 0;
  background: linear-gradient(to top, rgba(15, 23, 42, 0.85), rgba(15, 23, 42, 0.15));
  padding: 20px;
  display: flex;
  flex-direction: column;
  justify-content: flex-end;
  color: #fff;
}

.topic-tag {
  display: inline-block;
  background: var(--secondary);
  color: var(--primary);
  padding: 4px 12px;
  border-radius: 30px;
  font-size: 12px;
  font-weight: 800;
  width: fit-content;
  margin-bottom: 10px;
}

.topic-info h3 {
  font-size: 19px;
  margin: 0 0 6px;
}

.topic-info p {
  font-size: 13px;
  color: rgba(255, 255, 255, 0.8);
  margin: 0;
}

.faq-item {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: 16px;
  padding: 22px 24px;
  margin-bottom: 14px;
  transition: all 0.25s;
}

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

.faq-item h3 {
  margin: 0 0 8px;
  font-size: 17px;
  color: var(--primary);
  font-weight: 700;
  display: flex;
  gap: 10px;
  align-items: center;
}

.faq-item h3::before {
  content: "Q";
  width: 28px;
  height: 28px;
  background: var(--primary);
  color: #fff;
  border-radius: 8px;
  display: inline-flex;
  align-items: center;
  justify-content: center;
  font-size: 14px;
  flex-shrink: 0;
}

.faq-item p {
  margin: 0 0 0 38px;
  color: var(--muted);
  font-size: 14px;
}

.cta-box {
  background: linear-gradient(135deg, var(--primary), #1e293b 60%, #0ea5e9);
  color: #fff;
  border-radius: 28px;
  padding: 48px;
  display: flex;
  align-items: center;
  justify-content: space-between;
  gap: 32px;
  flex-wrap: wrap;
  box-shadow: var(--shadow-lg);
}

.cta-box h2 {
  font-size: 30px;
  margin: 0 0 10px;
  font-weight: 800;
}

.cta-box p {
  color: rgba(255, 255, 255, 0.8);
  margin: 0;
}

.cta-form {
  width: 100%;
  max-width: 400px;
  display: flex;
  gap: 10px;
  flex-wrap: wrap;
}

.cta-form input {
  flex: 1;
  min-width: 220px;
  border-radius: 50px;
  border: 1px solid rgba(255, 255, 255, 0.2);
  background: rgba(255, 255, 255, 0.1);
  padding: 14px 20px;
  color: #fff;
  outline: none;
  backdrop-filter: blur(6px);
}

.cta-form input::placeholder {
  color: rgba(255, 255, 255, 0.6);
}

.cta-form input:focus {
  border-color: var(--secondary);
  box-shadow: 0 0 0 4px rgba(245, 158, 11, 0.2);
}

.site-footer {
  background: var(--primary);
  color: #94a3b8;
  padding: 64px 0 24px;
  margin-top: 64px;
}

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

.footer-brand p {
  margin: 16px 0 0;
  max-width: 320px;
  line-height: 1.7;
}

.footer-logo {
  display: flex;
  align-items: center;
  gap: 10px;
  color: #fff;
  font-weight: 800;
  font-size: 20px;
}

.footer-title {
  color: #fff;
  font-size: 16px;
  margin: 0 0 16px;
}

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

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

.footer-links a {
  color: #94a3b8;
  transition: color 0.2s;
}

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

.footer-bottom {
  border-top: 1px solid rgba(255, 255, 255, 0.1);
  margin-top: 40px;
  padding-top: 20px;
  display: flex;
  justify-content: space-between;
  flex-wrap: wrap;
  gap: 10px;
  font-size: 14px;
}

@media (max-width: 1024px) {
  .hero {
    min-height: 480px;
  }
  .footer-grid {
    grid-template-columns: 1fr 1fr;
  }
  .cta-box {
    padding: 36px;
  }
}

@media (max-width: 768px) {
  .site-header {
    padding: 12px 16px;
  }
  .nav-capsule {
    border-radius: 24px;
    padding: 8px 14px;
  }
  .nav-links {
    position: absolute;
    top: calc(100% + 6px);
    left: 16px;
    right: 16px;
    background: rgba(255, 255, 255, 0.98);
    border: 1px solid var(--border);
    border-radius: 24px;
    box-shadow: var(--shadow-lg);
    padding: 16px;
    flex-direction: column;
    align-items: stretch;
    gap: 6px;
    display: none;
  }
  .nav-links.open {
    display: flex;
  }
  .nav-link {
    padding: 12px 16px;
    width: 100%;
  }
  .nav-cta {
    display: none;
  }
  .nav-toggle {
    display: flex;
  }
  .section {
    padding: 56px 0;
  }
  .hero {
    min-height: 400px;
    padding: 64px 0;
  }
  .hero h1 {
    font-size: 32px;
  }
  .hero p {
    font-size: 16px;
  }
  .section-title {
    font-size: 24px;
  }
  .footer-grid {
    grid-template-columns: 1fr;
    gap: 32px;
  }
  .cta-box {
    padding: 28px;
    flex-direction: column;
  }
  .cta-form {
    max-width: 100%;
  }
}

@media (max-width: 520px) {
  .container {
    padding: 0 16px;
  }
  .hero h1 {
    font-size: 28px;
  }
  .hero-buttons .btn {
    width: 100%;
  }
  .cta-box h2 {
    font-size: 24px;
  }
  .stat-card .num {
    font-size: 32px;
  }
}

/* roulang page: category2 */
:root {
    --primary: #2f6bff;
    --primary-dark: #1d4ed8;
    --primary-light: rgba(47, 107, 255, 0.1);
    --accent: #f59e0b;
    --accent-light: rgba(245, 158, 11, 0.15);
    --bg: #f4f7fb;
    --surface: #ffffff;
    --text: #0f172a;
    --muted: #5b6784;
    --border: #e4eaf2;
    --radius: 20px;
    --radius-sm: 12px;
    --shadow: 0 10px 30px rgba(15, 23, 42, 0.06);
    --shadow-lg: 0 20px 44px rgba(15, 23, 42, 0.1);
    --transition: all 0.3s ease;
  }

  html {
    scroll-behavior: smooth;
  }

  body {
    background: var(--bg);
    color: var(--text);
    font-family: 'Inter', 'PingFang SC', 'Microsoft YaHei', sans-serif;
    line-height: 1.7;
    -webkit-font-smoothing: antialiased;
  }

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

  .container {
    width: 100%;
    max-width: 1200px;
    margin: 0 auto;
    padding: 0 24px;
  }

  .section {
    padding: 80px 0;
  }

  .section-label {
    color: var(--primary);
    font-size: 14px;
    font-weight: 700;
    letter-spacing: 0.08em;
    text-transform: uppercase;
    display: inline-flex;
    align-items: center;
    gap: 8px;
    margin-bottom: 12px;
  }

  .section-title {
    font-size: 34px;
    font-weight: 800;
    line-height: 1.25;
    letter-spacing: -0.03em;
    margin-bottom: 16px;
  }

  .section-subtitle {
    color: var(--muted);
    font-size: 16px;
    max-width: 560px;
  }

  /* ===== 胶囊悬浮导航 ===== */
  .site-header {
    position: sticky;
    top: 16px;
    z-index: 50;
    padding: 0 24px;
    width: 100%;
  }

  .nav-capsule {
    max-width: 1200px;
    margin: 0 auto;
    display: flex;
    align-items: center;
    gap: 20px;
    background: rgba(255, 255, 255, 0.88);
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border: 1px solid rgba(228, 234, 242, 0.9);
    box-shadow: 0 12px 36px rgba(15, 23, 42, 0.08);
    border-radius: 999px;
    padding: 10px 18px 10px 12px;
    transition: box-shadow 0.3s ease, background 0.3s ease;
  }

  .nav-capsule:hover {
    box-shadow: 0 14px 42px rgba(15, 23, 42, 0.12);
  }

  .nav-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    text-decoration: none;
    color: var(--text);
    font-weight: 800;
    font-size: 18px;
    white-space: nowrap;
  }

  .logo-mark {
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 36px;
    height: 36px;
    background: linear-gradient(135deg, #2f6bff 0%, #7c3aed 100%);
    color: #fff;
    font-size: 13px;
    font-weight: 900;
    border-radius: 50%;
    letter-spacing: 0;
    box-shadow: 0 4px 12px rgba(47, 107, 255, 0.3);
  }

  .nav-links {
    display: flex;
    align-items: center;
    gap: 6px;
    margin-left: auto;
  }

  .nav-link {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    text-decoration: none;
    color: var(--muted);
    font-size: 14px;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: 999px;
    transition: var(--transition);
    white-space: nowrap;
  }

  .nav-link:hover {
    color: var(--primary);
    background: var(--primary-light);
    text-decoration: none;
  }

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

  .nav-cta {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: linear-gradient(135deg, #2f6bff, #1d4ed8);
    color: #fff;
    text-decoration: none;
    font-size: 14px;
    font-weight: 700;
    padding: 10px 18px;
    border-radius: 999px;
    box-shadow: 0 6px 18px rgba(47, 107, 255, 0.35);
    transition: var(--transition);
    white-space: nowrap;
  }

  .nav-cta:hover {
    transform: translateY(-2px);
    box-shadow: 0 10px 24px rgba(47, 107, 255, 0.4);
    color: #fff;
    text-decoration: none;
  }

  .nav-cta:focus-visible,
  .nav-link:focus-visible,
  .nav-logo:focus-visible {
    outline: 3px solid rgba(47, 107, 255, 0.45);
    outline-offset: 2px;
  }

  .nav-toggle {
    display: none;
    flex-direction: column;
    justify-content: center;
    gap: 5px;
    background: none;
    border: none;
    padding: 10px;
    cursor: pointer;
    border-radius: 50%;
    transition: background 0.2s ease;
  }

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

  .nav-toggle span {
    display: block;
    width: 20px;
    height: 2px;
    background: var(--text);
    border-radius: 2px;
    transition: var(--transition);
  }

  .nav-toggle.active span:nth-child(1) {
    transform: translateY(7px) rotate(45deg);
  }

  .nav-toggle.active span:nth-child(2) {
    opacity: 0;
  }

  .nav-toggle.active span:nth-child(3) {
    transform: translateY(-7px) rotate(-45deg);
  }

  @media (max-width: 768px) {
    .site-header {
      top: 10px;
      padding: 0 16px;
    }

    .nav-capsule {
      padding: 8px 12px;
      border-radius: 24px;
      gap: 12px;
    }

    .nav-logo {
      font-size: 15px;
    }

    .logo-mark {
      width: 32px;
      height: 32px;
      font-size: 12px;
    }

    .nav-links {
      display: none;
      position: absolute;
      top: calc(100% + 10px);
      left: 0;
      right: 0;
      flex-direction: column;
      align-items: stretch;
      background: rgba(255, 255, 255, 0.97);
      backdrop-filter: blur(16px);
      border: 1px solid var(--border);
      border-radius: 20px;
      padding: 12px;
      box-shadow: 0 20px 48px rgba(15, 23, 42, 0.14);
    }

    .nav-links.open {
      display: flex;
    }

    .nav-link {
      padding: 12px 16px;
      border-radius: 12px;
      font-size: 15px;
    }

    .nav-cta {
      margin-left: auto;
      padding: 8px 14px;
      font-size: 13px;
    }

    .nav-toggle {
      display: flex;
    }
  }

  /* ===== 分类页 Banner ===== */
  .page-hero {
    position: relative;
    padding: 120px 0 80px;
    background-image: url('/assets/images/backpic/back-2.png');
    background-size: cover;
    background-position: center;
    isolation: isolate;
  }

  .page-hero::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(135deg, rgba(15, 23, 42, 0.84) 0%, rgba(15, 23, 42, 0.55) 100%);
    z-index: -1;
  }

  .page-hero-content {
    max-width: 800px;
  }

  .page-hero .badge {
    display: inline-flex;
    align-items: center;
    gap: 8px;
    background: rgba(255, 255, 255, 0.16);
    border: 1px solid rgba(255, 255, 255, 0.25);
    backdrop-filter: blur(10px);
    color: #fff;
    font-size: 13px;
    font-weight: 700;
    padding: 7px 16px;
    border-radius: 999px;
    margin-bottom: 22px;
  }

  .page-hero h1 {
    color: #fff;
    font-size: 46px;
    font-weight: 900;
    line-height: 1.2;
    letter-spacing: -0.03em;
    margin-bottom: 18px;
  }

  .page-hero p {
    color: rgba(255, 255, 255, 0.85);
    font-size: 18px;
    max-width: 620px;
    margin-bottom: 28px;
  }

  .breadcrumb {
    display: flex;
    align-items: center;
    gap: 10px;
    color: rgba(255, 255, 255, 0.65);
    font-size: 14px;
  }

  .breadcrumb a {
    color: rgba(255, 255, 255, 0.85);
    text-decoration: none;
    transition: color 0.2s ease;
  }

  .breadcrumb a:hover {
    color: #fff;
    text-decoration: underline;
  }

  .breadcrumb i {
    font-size: 12px;
    color: rgba(255, 255, 255, 0.5);
  }

  @media (max-width: 768px) {
    .page-hero {
      padding: 100px 0 60px;
    }

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

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

  /* ===== 标签筛选 ===== */
  .topic-swiper {
    display: flex;
    gap: 12px;
    overflow-x: auto;
    padding: 4px 4px 16px;
    scrollbar-width: thin;
    scrollbar-color: var(--border) transparent;
  }

  .topic-swiper::-webkit-scrollbar {
    height: 6px;
  }

  .topic-swiper::-webkit-scrollbar-thumb {
    background: var(--border);
    border-radius: 999px;
  }

  .tag-pill {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    background: #fff;
    border: 1px solid var(--border);
    color: var(--muted);
    font-size: 13px;
    font-weight: 600;
    padding: 8px 16px;
    border-radius: 999px;
    white-space: nowrap;
    transition: var(--transition);
    text-decoration: none;
  }

  .tag-pill:hover {
    border-color: var(--primary);
    color: var(--primary);
    background: var(--primary-light);
  }

  .tag-pill.active {
    background: var(--primary);
    border-color: var(--primary);
    color: #fff;
    box-shadow: 0 6px 16px rgba(47, 107, 255, 0.28);
  }

  /* ===== 内容卡片 ===== */
  .content-card {
    background: var(--surface);
    border-radius: var(--radius);
    border: 1px solid var(--border);
    overflow: hidden;
    box-shadow: var(--shadow);
    transition: var(--transition);
    height: 100%;
    display: flex;
    flex-direction: column;
  }

  .content-card:hover {
    transform: translateY(-8px);
    box-shadow: var(--shadow-lg);
    border-color: rgba(47, 107, 255, 0.3);
  }

  .card-media {
    overflow: hidden;
    aspect-ratio: 16 / 10;
    background: #eaf0f8;
  }

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

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

  .card-body {
    padding: 24px;
    display: flex;
    flex-direction: column;
    gap: 10px;
    flex: 1;
  }

  .card-cat {
    display: inline-flex;
    align-items: center;
    gap: 6px;
    align-self: flex-start;
    background: var(--accent-light);
    color: #b45309;
    font-size: 12px;
    font-weight: 700;
    padding: 5px 12px;
    border-radius: 999px;
  }

  .card-cat.blue {
    background: var(--primary-light);
    color: var(--primary);
  }

  .card-cat.green {
    background: rgba(16, 185, 129, 0.12);
    color: #047857;
  }

  .card-body h3 {
    font-size: 18px;
    font-weight: 800;
    line-height: 1.45;
    margin: 0;
  }

  .card-body h3 a {
    color: var(--text);
    text-decoration: none;
    transition: color 0.2s ease;
  }

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

  .card-body p {
    color: var(--muted);
    font-size: 14px;
    margin: 0;
    display: -webkit-box;
    -webkit-line-clamp: 2;
    -webkit-box-orient: vertical;
    overflow: hidden;
  }

  .card-meta {
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 13px;
    color: var(--muted);
    margin-top: auto;
    padding-top: 14px;
    border-top: 1px solid #f1f5f9;
  }

  /* ===== 数据统计 ===== */
  .stats-section {
    background: linear-gradient(135deg, #0f172a 0%, #1e293b 100%);
    position: relative;
    overflow: hidden;
  }

  .stats-section::before {
    content: '';
    position: absolute;
    width: 360px;
    height: 360px;
    background: radial-gradient(circle, rgba(47, 107, 255, 0.25) 0%, transparent 70%);
    top: -120px;
    right: -80px;
  }

  .stat-card {
    text-align: center;
    padding: 36px 20px;
    background: rgba(255, 255, 255, 0.06);
    border: 1px solid rgba(255, 255, 255, 0.1);
    border-radius: var(--radius);
    transition: var(--transition);
  }

  .stat-card:hover {
    background: rgba(255, 255, 255, 0.1);
    transform: translateY(-4px);
  }

  .stat-number {
    font-size: 44px;
    font-weight: 900;
    color: #fff;
    line-height: 1.2;
    letter-spacing: -0.03em;
  }

  .stat-number span {
    color: var(--accent);
  }

  .stat-label {
    color: rgba(255, 255, 255, 0.7);
    font-size: 14px;
    margin-top: 6px;
  }

  /* ===== 图文区块 ===== */
  .split-media {
    position: relative;
    border-radius: 24px;
    overflow: hidden;
    box-shadow: var(--shadow-lg);
    height: 100%;
    min-height: 420px;
  }

  .split-media img {
    width: 100%;
    height: 100%;
    object-fit: cover;
  }

  .split-media::after {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(180deg, transparent 40%, rgba(15, 23, 42, 0.55) 100%);
  }

  .split-quote {
    position: absolute;
    left: 20px;
    right: 20px;
    bottom: 20px;
    z-index: 2;
    color: #fff;
    font-size: 15px;
    font-weight: 600;
    background: rgba(255, 255, 255, 0.18);
    backdrop-filter: blur(10px);
    border: 1px solid rgba(255, 255, 255, 0.2);
    border-radius: 16px;
    padding: 16px 20px;
  }

  .check-list {
    display: flex;
    flex-direction: column;
    gap: 18px;
  }

  .check-item {
    display: flex;
    gap: 14px;
  }

  .check-icon {
    flex-shrink: 0;
    width: 42px;
    height: 42px;
    background: var(--primary-light);
    color: var(--primary);
    border-radius: 50%;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    font-size: 16px;
  }

  .check-item h4 {
    font-size: 16px;
    font-weight: 700;
    margin-bottom: 4px;
  }

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

  /* ===== 排行榜 ===== */
  .rank-section {
    background: #fff;
  }

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

  .rank-item {
    display: flex;
    align-items: center;
    gap: 18px;
    background: #f8fafc;
    border: 1px solid #edf2f7;
    border-radius: 16px;
    padding: 16px 20px;
    transition: var(--transition);
  }

  .rank-item:hover {
    background: var(--primary-light);
    border-color: rgba(47, 107, 255, 0.3);
    transform: translateX(6px);
  }

  .rank-num {
    font-size: 22px;
    font-weight: 900;
    color: var(--primary);
    min-width: 32px;
    text-align: center;
  }

  .rank-item:nth-child(1) .rank-num {
    color: var(--accent);
  }

  .rank-item:nth-child(2) .rank-num {
    color: #64748b;
  }

  .rank-item:nth-child(3) .rank-num {
    color: #d97706;
  }

  .rank-info {
    flex: 1;
  }

  .rank-info h3 {
    font-size: 16px;
    font-weight: 700;
    margin: 0;
  }

  .rank-info h3 a {
    color: var(--text);
    text-decoration: none;
    transition: color 0.2s ease;
  }

  .rank-info h3 a:hover {
    color: var(--primary);
  }

  .rank-info p {
    color: var(--muted);
    font-size: 13px;
    margin: 2px 0 0;
  }

  .rank-tag {
    font-size: 12px;
    font-weight: 600;
    color: #fff;
    background: var(--primary);
    padding: 4px 10px;
    border-radius: 999px;
  }

  @media (max-width: 640px) {
    .rank-item {
      flex-wrap: wrap;
      gap: 10px;
    }

    .rank-tag {
      margin-left: auto;
    }
  }

  /* ===== FAQ ===== */
  .faq-item {
    background: #fff;
    border: 1px solid var(--border);
    border-radius: 16px;
    overflow: hidden;
    margin-bottom: 14px;
    transition: border-color 0.2s ease;
  }

  .faq-item summary {
    list-style: none;
    cursor: pointer;
    padding: 20px 24px;
    display: flex;
    align-items: center;
    gap: 14px;
    font-size: 16px;
    font-weight: 700;
    transition: background 0.2s ease;
  }

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

  .faq-item summary:hover {
    background: #f8fafc;
  }

  .faq-item .faq-icon {
    margin-left: auto;
    display: inline-flex;
    align-items: center;
    justify-content: center;
    width: 28px;
    height: 28px;
    border-radius: 50%;
    background: var(--primary-light);
    color: var(--primary);
    font-size: 13px;
    flex-shrink: 0;
    transition: transform 0.3s ease;
  }

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

  .faq-item .faq-body {
    padding: 0 24px 20px 62px;
    color: var(--muted);
    font-size: 15px;
  }

  /* ===== CTA ===== */
  .cta-box {
    position: relative;
    display: grid;
    grid-template-columns: 1fr auto;
    align-items: center;
    gap: 40px;
    background-image: url('/assets/images/backpic/back-3.png');
    background-size: cover;
    background-position: center;
    border-radius: 28px;
    padding: 56px 60px;
    box-shadow: var(--shadow-lg);
    overflow: hidden;
    isolation: isolate;
  }

  .cta-box::before {
    content: '';
    position: absolute;
    inset: 0;
    background: linear-gradient(115deg, rgba(15, 23, 42, 0.88) 0%, rgba(29, 78, 216, 0.72) 100%);
    z-index: -1;
  }

  .cta-box h2 {
    color: #fff;
    font-size: 28px;
    font-weight: 800;
    margin-bottom: 10px;
  }

  .cta-box p {
    color: rgba(255, 255, 255, 0.8);
    font-size: 15px;
    margin: 0;
  }

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

  .btn-white {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: #fff;
    color: var(--primary);
    font-weight: 700;
    font-size: 15px;
    padding: 12px 24px;
    border-radius: 999px;
    text-decoration: none;
    box-shadow: 0 8px 20px rgba(0, 0, 0, 0.18);
    transition: var(--transition);
  }

  .btn-white:hover {
    transform: translateY(-3px);
    box-shadow: 0 12px 28px rgba(0, 0, 0, 0.24);
    color: var(--primary-dark);
  }

  .btn-ghost {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    background: rgba(255, 255, 255, 0.12);
    color: #fff;
    font-weight: 700;
    font-size: 15px;
    padding: 12px 24px;
    border-radius: 999px;
    text-decoration: none;
    border: 1px solid rgba(255, 255, 255, 0.35);
    backdrop-filter: blur(8px);
    transition: var(--transition);
  }

  .btn-ghost:hover {
    background: rgba(255, 255, 255, 0.22);
    color: #fff;
    transform: translateY(-3px);
  }

  @media (max-width: 900px) {
    .cta-box {
      grid-template-columns: 1fr;
      padding: 40px 30px;
    }
  }

  /* ===== 页脚 ===== */
  .site-footer {
    background: #0f172a;
    color: #94a3b8;
    padding: 60px 0 28px;
    margin-top: 80px;
  }

  .footer-grid {
    display: grid;
    grid-template-columns: 1.6fr 1fr 1fr;
    gap: 48px;
    margin-bottom: 40px;
  }

  .footer-brand .footer-logo {
    display: inline-flex;
    align-items: center;
    gap: 10px;
    color: #fff;
    font-size: 18px;
    font-weight: 800;
    text-decoration: none;
    margin-bottom: 16px;
  }

  .footer-brand p {
    font-size: 14px;
    line-height: 1.8;
    max-width: 360px;
    margin: 0;
  }

  .footer-title {
    color: #fff;
    font-size: 15px;
    font-weight: 700;
    margin-bottom: 18px;
  }

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

  .footer-links a {
    color: #94a3b8;
    font-size: 14px;
    text-decoration: none;
    transition: color 0.2s ease;
  }

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

  .footer-bottom {
    border-top: 1px solid rgba(255, 255, 255, 0.1);
    padding-top: 24px;
    display: flex;
    flex-wrap: wrap;
    justify-content: space-between;
    gap: 12px;
    font-size: 13px;
  }

  .footer-bottom p {
    margin: 0;
  }

  @media (max-width: 768px) {
    .footer-grid {
      grid-template-columns: 1fr;
      gap: 32px;
    }
  }

  /* ===== 响应式 ===== */
  @media (max-width: 768px) {
    .section {
      padding: 56px 0;
    }

    .section-title {
      font-size: 26px;
    }

    .container {
      padding: 0 18px;
    }
  }