/* roulang page: index */
:root{
  --brand:#2F5F8F;
  --brand-dark:#1F456B;
  --brand-soft:#E7EFF7;
  --copper:#C9863F;
  --copper-soft:#F3E3D1;
  --bg:#F6F8FB;
  --bg-alt:#FBFCFE;
  --text:#14202B;
  --muted:#5B6B7C;
  --border:#DCE4EC;
  --line:#E2E8F0;
  --white:#FFFFFF;
  --ok:#2E7D5B;
  --radius-sm:10px;
  --radius:14px;
  --radius-lg:18px;
  --shadow:0 8px 24px rgba(24,52,80,.08);
  --shadow-hover:0 14px 34px rgba(24,52,80,.14);
  --container:1240px;
  --section-gap:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16.5px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--radius);}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-dark);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.32;font-weight:700;letter-spacing:.2px;}
h1{font-size:42px;}
h2{font-size:29px;}
h3{font-size:21px;}
p{margin:0 0 1em;}
button,input,textarea,select{font-family:inherit;font-size:16px;}
button{cursor:pointer;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible,summary:focus-visible{
  outline:3px solid rgba(47,95,143,.45);
  outline-offset:2px;
  border-radius:6px;
}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.section{padding:var(--section-gap) 0;}
.section--tight{padding:60px 0;}
.section--alt{background:var(--bg-alt);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:2px;color:var(--copper);
  font-weight:600;margin-bottom:10px;
}
.section-head h2{font-size:29px;color:var(--text);}
.section-head p{margin:10px 0 0;color:var(--muted);font-size:15px;max-width:640px;}
.section-head .more-link{font-size:14px;white-space:nowrap;font-weight:600;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(251,252,254,.96);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid var(--line);
  box-shadow:0 4px 18px rgba(24,52,80,.05);
}
.nav-top{
  display:flex;align-items:center;gap:22px;
  height:70px;
}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  background:linear-gradient(140deg,var(--brand),var(--brand-dark));
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:15px;letter-spacing:.5px;
  box-shadow:0 6px 16px rgba(31,69,107,.28);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text b{font-size:17px;color:var(--text);font-weight:700;letter-spacing:.3px;}
.brand-text span{font-size:11.5px;color:var(--muted);letter-spacing:1.6px;}
.nav-search{
  flex:1 1 auto;max-width:420px;margin-left:auto;
  display:flex;align-items:center;
  background:#fff;border:1px solid var(--border);border-radius:999px;
  padding:0 6px 0 16px;height:42px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(47,95,143,.12);}
.nav-search i{color:var(--muted);font-size:13px;}
.nav-search input{
  flex:1;border:0;background:transparent;height:40px;padding:0 10px;
  color:var(--text);outline:none;font-size:14.5px;
}
.nav-search button{
  border:0;background:var(--brand);color:#fff;height:32px;padding:0 16px;
  border-radius:999px;font-size:13.5px;font-weight:600;transition:background .2s ease,transform .15s ease;
}
.nav-search button:hover{background:var(--brand-dark);}
.nav-search button:active{transform:translateY(1px);}
.nav-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-sm);font-weight:600;font-size:15px;
  padding:12px 22px;border:1px solid transparent;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .15s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(47,95,143,.22);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(31,69,107,.28);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--border);}
.btn-ghost:hover{border-color:var(--brand);background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-2px);}
.btn-copper{background:var(--copper);color:#fff;}
.btn-copper:hover{background:#B2742F;color:#fff;transform:translateY(-2px);}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:9px;}
.nav-toggle{
  display:none;border:1px solid var(--border);background:#fff;color:var(--text);
  width:42px;height:42px;border-radius:11px;font-size:16px;
}
.nav-tabs{
  border-top:1px solid var(--line);
  background:#fff;
}
.nav-tabs-inner{
  display:flex;align-items:center;gap:8px;
  height:52px;overflow-x:auto;scrollbar-width:none;
}
.nav-tabs-inner::-webkit-scrollbar{display:none;}
.nav-tab{
  flex:0 0 auto;padding:8px 17px;border-radius:999px;
  font-size:14.5px;color:var(--muted);font-weight:600;
  border:1px solid transparent;transition:all .2s ease;
}
.nav-tab:hover{color:var(--brand-dark);background:var(--brand-soft);}
.nav-tab.is-active{background:var(--brand);color:#fff;border-color:var(--brand);box-shadow:0 6px 14px rgba(47,95,143,.22);}
.nav-tabs-hint{margin-left:auto;font-size:12.5px;color:var(--muted);white-space:nowrap;display:none;}

/* ============ Hero ============ */
.hero{
  position:relative;
  background-image:linear-gradient(115deg,rgba(246,248,251,.96) 0%,rgba(246,248,251,.88) 46%,rgba(231,239,247,.78) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.hero::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;
  border-radius:50%;background:radial-gradient(circle,rgba(201,134,63,.16),rgba(201,134,63,0) 68%);
  pointer-events:none;
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.15fr .85fr;gap:56px;align-items:center;
  padding:82px 0 74px;
}
.hero-tag{
  display:inline-flex;align-items:center;gap:9px;
  background:#fff;border:1px solid var(--border);border-radius:999px;
  padding:7px 16px;font-size:13px;color:var(--brand-dark);font-weight:600;
  box-shadow:var(--shadow);margin-bottom:22px;
}
.hero-tag i{color:var(--copper);}
.hero h1{font-size:44px;line-height:1.26;margin-bottom:20px;}
.hero h1 em{font-style:normal;color:var(--brand);}
.hero-lead{
  font-size:17px;color:var(--muted);max-width:620px;margin-bottom:30px;
  line-height:1.85;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:14px;
}
.stat-chip{
  background:rgba(255,255,255,.86);border:1px solid var(--border);
  border-radius:999px;padding:8px 16px;font-size:13.5px;color:var(--muted);
}
.stat-chip b{color:var(--brand-dark);font-size:15px;margin-right:5px;}
.hero-panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow);padding:26px;
}
.hero-panel h3{font-size:19px;margin-bottom:6px;}
.hero-panel .panel-sub{font-size:13.5px;color:var(--muted);margin-bottom:18px;}
.channel-grid{display:grid;grid-template-columns:1fr 1fr;gap:12px;margin-bottom:18px;}
.channel-card{
  display:block;border:1px solid var(--border);border-radius:var(--radius);
  padding:14px 15px;background:var(--bg-alt);transition:all .2s ease;
}
.channel-card:hover{border-color:var(--brand);background:var(--brand-soft);transform:translateY(-3px);box-shadow:var(--shadow);}
.channel-card b{display:block;font-size:15px;color:var(--text);margin-bottom:4px;}
.channel-card span{font-size:12.5px;color:var(--muted);}
.panel-search{display:flex;gap:10px;}
.panel-search input{
  flex:1;height:46px;border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:0 14px;background:#fff;color:var(--text);outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.panel-search input:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(47,95,143,.12);}
.panel-search button{
  border:0;background:var(--brand);color:#fff;border-radius:var(--radius-sm);
  padding:0 22px;font-weight:600;font-size:15px;transition:background .2s ease,transform .15s ease;
}
.panel-search button:hover{background:var(--brand-dark);}
.panel-search button:active{transform:translateY(1px);}

/* ============ 主题封面 ============ */
.feature-cover{
  display:grid;grid-template-columns:1.05fr .95fr;
  background:#fff;border:1px solid var(--line);border-radius:20px;
  overflow:hidden;box-shadow:var(--shadow);
}
.feature-cover .cover-media{position:relative;min-height:340px;}
.feature-cover .cover-media img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.cover-badge{
  position:absolute;left:20px;top:20px;
  background:rgba(255,255,255,.94);color:var(--brand-dark);
  border-radius:999px;padding:6px 15px;font-size:12.5px;font-weight:700;
  letter-spacing:.5px;box-shadow:0 6px 16px rgba(24,52,80,.14);
}
.feature-cover .cover-body{padding:42px 44px;display:flex;flex-direction:column;justify-content:center;}
.cover-meta{display:flex;flex-wrap:wrap;gap:10px;align-items:center;margin-bottom:16px;font-size:13px;color:var(--muted);}
.cover-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--border);}
.feature-cover h2{margin-bottom:14px;}
.feature-cover p{color:var(--muted);font-size:15.5px;}
.cover-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:10px;}

/* ============ 合集目录 ============ */
.catalog{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.catalog-item{
  display:flex;gap:18px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px 24px;transition:all .2s ease;
}
.catalog-item:hover{border-color:var(--brand);transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.catalog-item:hover .catalog-name{color:var(--brand);}
.catalog-no{
  flex:0 0 auto;width:44px;height:44px;border-radius:12px;
  background:var(--brand-soft);color:var(--brand-dark);
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:15px;letter-spacing:.5px;
}
.catalog-body{flex:1;min-width:0;}
.catalog-name{font-size:17.5px;font-weight:700;margin-bottom:6px;transition:color .2s ease;display:block;color:var(--text);}
.catalog-desc{font-size:14px;color:var(--muted);margin-bottom:12px;}
.catalog-foot{display:flex;flex-wrap:wrap;gap:10px;align-items:center;font-size:12.5px;color:var(--muted);}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  border-radius:999px;padding:3px 11px;font-size:12px;font-weight:600;
  background:var(--brand-soft);color:var(--brand-dark);
}
.badge-copper{background:var(--copper-soft);color:#8F5A1F;}
.badge-ok{background:#E4F1EA;color:var(--ok);}

/* ============ 精选条目 ============ */
.picks{display:grid;grid-template-columns:1.25fr 1fr;gap:22px;}
.pick-main{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow);transition:all .25s ease;
  display:flex;flex-direction:column;
}
.pick-main:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#C7D8E8;}
.pick-main img{width:100%;height:280px;object-fit:cover;border-radius:0;}
.pick-main .pick-body{padding:26px 28px 28px;}
.pick-main h3{font-size:22px;margin:12px 0 10px;}
.pick-main:hover h3{color:var(--brand);}
.pick-main p{color:var(--muted);font-size:15px;}
.pick-side{display:grid;gap:22px;}
.pick-mini{
  display:grid;grid-template-columns:150px 1fr;gap:18px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:16px;transition:all .2s ease;
}
.pick-mini:hover{border-color:var(--brand);transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.pick-mini img{width:150px;height:110px;object-fit:cover;border-radius:var(--radius-sm);}
.pick-mini h3{font-size:17px;margin:8px 0 8px;line-height:1.45;}
.pick-mini:hover h3{color:var(--brand);}
.pick-mini p{font-size:13.5px;color:var(--muted);margin-bottom:8px;}
.meta-line{font-size:12.5px;color:var(--muted);display:flex;flex-wrap:wrap;gap:10px;align-items:center;}
.meta-line .dot{width:3px;height:3px;border-radius:50%;background:#B9C6D4;}

/* ============ 最新信息（CMS） ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px;display:flex;flex-direction:column;
  transition:all .2s ease;
}
.news-card:hover{border-color:var(--brand);transform:translateY(-3px);box-shadow:var(--shadow-hover);}
.news-card h3{font-size:17.5px;line-height:1.5;margin:12px 0 10px;}
.news-card:hover h3{color:var(--brand);}
.news-card p{font-size:14px;color:var(--muted);flex:1;}
.news-card .meta-line{margin-top:14px;padding-top:14px;border-top:1px dashed var(--line);}
.empty-state{
  grid-column:1/-1;background:#fff;border:1px dashed var(--border);
  border-radius:var(--radius);padding:46px 24px;text-align:center;color:var(--muted);
}
.empty-state i{display:block;font-size:24px;color:var(--brand);margin-bottom:12px;}

/* ============ 相关推荐 ============ */
.related{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;}
.related-item{
  display:flex;gap:14px;align-items:center;
  background:var(--bg-alt);border:1px solid var(--line);border-radius:var(--radius);
  padding:14px;transition:all .2s ease;
}
.related-item:hover{background:#fff;border-color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow);}
.related-item img{width:70px;height:60px;object-fit:cover;border-radius:9px;flex:0 0 auto;}
.related-item b{display:block;font-size:14.5px;color:var(--text);line-height:1.45;margin-bottom:4px;}
.related-item:hover b{color:var(--brand);}
.related-item span{font-size:12.5px;color:var(--muted);}

/* ============ 收藏分享 CTA ============ */
.share-bar{
  display:flex;flex-wrap:wrap;align-items:center;gap:20px;justify-content:space-between;
  background:linear-gradient(120deg,#1F456B,#2F5F8F);
  border-radius:var(--radius-lg);padding:30px 34px;color:#fff;
  box-shadow:0 18px 40px rgba(31,69,107,.24);
}
.share-bar h3{color:#fff;font-size:21px;margin-bottom:6px;}
.share-bar p{color:rgba(255,255,255,.82);margin:0;font-size:14.5px;}
.share-actions{display:flex;flex-wrap:wrap;gap:12px;}
.btn-light{background:#fff;color:var(--brand-dark);}
.btn-light:hover{background:#EAF2FA;color:var(--brand-dark);transform:translateY(-2px);}
.btn-outline-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.btn-outline-light:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;transform:translateY(-2px);}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#C7D8E8;box-shadow:var(--shadow);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:16.5px;font-weight:700;color:var(--text);
  transition:background .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:var(--brand-soft);color:var(--brand-dark);}
.faq-item summary .chev{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  background:var(--brand-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:12px;
  transition:transform .25s ease,background .2s ease,color .2s ease;
}
.faq-item[open] summary .chev{transform:rotate(180deg);background:var(--brand);color:#fff;}
.faq-item .faq-body{padding:0 24px 22px;color:var(--muted);font-size:15px;line-height:1.85;}

/* ============ 订阅表单 ============ */
.contact-wrap{
  display:grid;grid-template-columns:1fr 1.05fr;gap:44px;align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:44px;box-shadow:var(--shadow);
}
.contact-info h2{margin-bottom:14px;}
.contact-info p{color:var(--muted);font-size:15.5px;}
.contact-points{margin-top:22px;display:grid;gap:12px;}
.contact-points li{display:flex;gap:11px;align-items:flex-start;font-size:14.5px;color:var(--muted);}
.contact-points i{color:var(--copper);margin-top:5px;}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.form-field{display:flex;flex-direction:column;gap:8px;}
.form-field.full{grid-column:1/-1;}
.form-field label{font-size:13.5px;font-weight:600;color:var(--brand-dark);}
.form-field input,.form-field textarea{
  width:100%;height:46px;border:1px solid var(--border);border-radius:var(--radius-sm);
  padding:0 14px;background:var(--bg-alt);color:var(--text);outline:none;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.form-field textarea{height:110px;padding:12px 14px;resize:vertical;line-height:1.7;}
.form-field input:focus,.form-field textarea:focus{
  border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(47,95,143,.12);
}
.form-foot{grid-column:1/-1;display:flex;flex-wrap:wrap;align-items:center;gap:14px;}
.form-note{font-size:12.5px;color:var(--muted);}
.form-msg{
  display:none;grid-column:1/-1;background:#E4F1EA;color:var(--ok);
  border-radius:var(--radius-sm);padding:10px 16px;font-size:14px;font-weight:600;
}
.form-msg.show{display:block;}

/* ============ 页脚 ============ */
.site-footer{background:#12212E;color:#C6D3DE;padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px;}
.site-footer h4{color:#fff;font-size:15.5px;margin-bottom:18px;font-weight:700;letter-spacing:.4px;}
.site-footer p{font-size:14px;color:#9DAEBC;line-height:1.85;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.footer-brand .brand-mark{box-shadow:none;}
.footer-brand b{color:#fff;font-size:18px;}
.footer-links li{margin-bottom:11px;}
.footer-links a{color:#9DAEBC;font-size:14px;}
.footer-links a:hover{color:#fff;}
.footer-sub-form{display:flex;gap:10px;margin-top:14px;}
.footer-sub-form input{
  flex:1;height:44px;border-radius:var(--radius-sm);border:1px solid #2C3F50;
  background:#1A2C3A;color:#E8EFF5;padding:0 14px;outline:none;font-size:14px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.footer-sub-form input:focus{border-color:var(--brand);box-shadow:0 0 0 4px rgba(47,95,143,.25);}
.footer-sub-form button{
  border:0;background:var(--brand);color:#fff;border-radius:var(--radius-sm);
  padding:0 18px;font-weight:600;font-size:14px;transition:background .2s ease;
}
.footer-sub-form button:hover{background:#3D74A8;}
.footer-bottom{
  border-top:1px solid #223646;padding:20px 0;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:13px;color:#7E92A3;
}
.footer-bottom a{color:#7E92A3;}
.footer-bottom a:hover{color:#fff;}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  :root{--section-gap:76px;}
  .hero h1{font-size:38px;}
  .news-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:1023px){
  :root{--section-gap:64px;}
  h1{font-size:34px;}
  .hero-inner{grid-template-columns:1fr;gap:38px;padding:60px 0 56px;}
  .hero h1{font-size:34px;}
  .feature-cover{grid-template-columns:1fr;}
  .feature-cover .cover-media{min-height:260px;}
  .feature-cover .cover-body{padding:32px;}
  .picks{grid-template-columns:1fr;}
  .catalog{grid-template-columns:1fr;}
  .related{grid-template-columns:1fr 1fr;}
  .contact-wrap{grid-template-columns:1fr;padding:34px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  :root{--section-gap:52px;}
  body{font-size:16px;}
  .container{padding:0 18px;}
  .nav-search{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;margin-left:auto;}
  .nav-actions .btn{display:none;}
  .nav-tabs-inner{height:auto;padding:10px 0;flex-wrap:nowrap;}
  .nav-tabs.is-open{display:block;}
  .nav-tabs{display:none;}
  .nav-tabs.is-open{display:block;}
  .hero h1{font-size:29px;}
  .hero-lead{font-size:16px;}
  .channel-grid{grid-template-columns:1fr;}
  .picks .pick-mini{grid-template-columns:1fr;}
  .pick-mini img{width:100%;height:180px;}
  .news-grid{grid-template-columns:1fr;}
  .related{grid-template-columns:1fr;}
  .share-bar{padding:26px 22px;}
  .form-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .feature-cover .cover-body{padding:26px 22px;}
}
@media (max-width:519px){
  .hero h1{font-size:26px;}
  .hero-cta .btn{width:100%;}
  .hero-stats{width:100%;}
  .stat-chip{flex:1 1 auto;text-align:center;}
  .panel-search{flex-direction:column;}
  .panel-search button{height:46px;}
  .contact-wrap{padding:24px 18px;}
}

/* roulang page: category1 */
:root{
  --c-primary:#2F5F8F;
  --c-primary-dark:#1F456B;
  --c-primary-soft:#E7EFF7;
  --c-primary-line:#CBDCEB;
  --c-accent:#C9863F;
  --c-accent-soft:#F3E3D1;
  --c-bg:#F6F8FB;
  --c-bg-alt:#FBFCFE;
  --c-surface:#FFFFFF;
  --c-text:#14202B;
  --c-text-2:#5B6B7C;
  --c-text-3:#8494A3;
  --c-border:#DCE4EC;
  --c-border-soft:#E2E8F0;
  --c-success:#2E7D5B;
  --c-success-bg:#E8F4EE;
  --radius-s:10px;
  --radius-m:14px;
  --radius-l:18px;
  --radius-pill:999px;
  --shadow-s:0 2px 8px rgba(24,52,80,.06);
  --shadow-m:0 8px 24px rgba(24,52,80,.08);
  --shadow-h:0 16px 38px rgba(24,52,80,.15);
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",Roboto,Arial,sans-serif;
  --section-space:88px;
  --container:1240px;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease,border-color .2s ease;}
a:hover{color:var(--c-primary-dark);}
h1,h2,h3,h4,h5{font-family:var(--font);color:var(--c-text);margin:0 0 .5em;font-weight:700;line-height:1.32;letter-spacing:.2px;}
h1{font-size:44px;}
h2{font-size:30px;}
h3{font-size:21px;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
button,input{font-family:inherit;font-size:inherit;}
a:focus-visible,button:focus-visible,input:focus-visible,.filter-pill:focus-visible{
  outline:3px solid rgba(47,95,143,.42);
  outline-offset:2px;
  border-radius:6px;
}
::selection{background:var(--c-primary);color:#fff;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 22px;
}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(251,252,254,.96);
  backdrop-filter:saturate(160%) blur(8px);
  border-bottom:1px solid var(--c-border);
  box-shadow:0 2px 14px rgba(24,52,80,.05);
}
.site-header .container{max-width:var(--container);}
.nav-top{
  display:flex;
  align-items:center;
  gap:20px;
  padding:14px 0;
}
.brand{
  display:flex;
  align-items:center;
  gap:11px;
  flex:0 0 auto;
  color:var(--c-text);
}
.brand:hover{color:var(--c-text);}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:42px;
  height:42px;
  border-radius:12px;
  background:linear-gradient(150deg,var(--c-primary),var(--c-primary-dark));
  color:#fff;
  font-size:12.5px;
  font-weight:700;
  letter-spacing:1px;
  box-shadow:var(--shadow-s);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text b{font-size:17px;font-weight:700;letter-spacing:.3px;}
.brand-text span{font-size:12.5px;color:var(--c-text-3);letter-spacing:.4px;}

.nav-search{
  flex:1 1 auto;
  display:flex;
  align-items:center;
  gap:8px;
  max-width:420px;
  margin-left:auto;
  background:#fff;
  border:1px solid var(--c-border);
  border-radius:var(--radius-pill);
  padding:4px 6px 4px 16px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search:focus-within{
  border-color:var(--c-primary);
  box-shadow:0 0 0 4px rgba(47,95,143,.12);
}
.nav-search i{color:var(--c-text-3);font-size:14px;}
.nav-search input{
  flex:1 1 auto;
  border:0;
  background:transparent;
  height:38px;
  color:var(--c-text);
  outline:none;
}
.nav-search input::placeholder{color:var(--c-text-3);}
.nav-search button{
  border:0;
  cursor:pointer;
  background:var(--c-primary);
  color:#fff;
  font-size:14px;
  padding:9px 18px;
  border-radius:var(--radius-pill);
  transition:background .2s ease,transform .15s ease;
}
.nav-search button:hover{background:var(--c-primary-dark);}
.nav-search button:active{transform:translateY(1px);}

.nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border:1px solid transparent;
  border-radius:var(--radius-s);
  padding:12px 24px;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .15s ease,box-shadow .2s ease;
  text-align:center;
  line-height:1.2;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 6px 18px rgba(47,95,143,.22);}
.btn-primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(47,95,143,.28);}
.btn-primary:active{transform:translateY(0);background:var(--c-primary-dark);}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:var(--c-primary-line);}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);border-color:var(--c-primary);transform:translateY(-2px);}
.btn-accent{background:var(--c-accent);color:#fff;}
.btn-accent:hover{background:#B4743100;background:#b3742f;color:#fff;transform:translateY(-2px);}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:var(--radius-pill);}
.btn-link{
  background:none;border:0;padding:0;color:var(--c-primary);font-weight:600;cursor:pointer;
}
.btn-link:hover{color:var(--c-primary-dark);text-decoration:underline;text-underline-offset:4px;}

.nav-toggle{
  display:none;
  width:42px;height:42px;
  border:1px solid var(--c-border);
  border-radius:12px;
  background:#fff;
  color:var(--c-primary);
  font-size:17px;
  cursor:pointer;
}

.nav-tabs{
  border-top:1px solid var(--c-border-soft);
  background:#fff;
  overflow-x:auto;
  scrollbar-width:none;
}
.nav-tabs::-webkit-scrollbar{display:none;}
.nav-tabs-inner{
  display:flex;
  align-items:center;
  gap:8px;
  padding:8px 0;
  white-space:nowrap;
}
.nav-tab{
  display:inline-flex;
  align-items:center;
  padding:9px 18px;
  border-radius:var(--radius-pill);
  font-size:15px;
  color:var(--c-text-2);
  font-weight:500;
  border:1px solid transparent;
  transition:all .2s ease;
}
.nav-tab:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);}
.nav-tab.is-active{
  background:var(--c-primary);
  color:#fff;
  font-weight:600;
  box-shadow:0 6px 16px rgba(47,95,143,.22);
}
.nav-tabs-hint{
  margin-left:auto;
  font-size:13px;
  color:var(--c-text-3);
  padding-left:16px;
  border-left:1px solid var(--c-border);
}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13.5px;
  color:var(--c-text-3);
  padding:22px 0 0;
}
.breadcrumb a{color:var(--c-text-2);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb span.sep{color:#B9C5D1;}

/* ============ Hero ============ */
.page-hero{
  position:relative;
  padding:34px 0 76px;
  background:
    linear-gradient(180deg,rgba(251,252,254,.95) 0%,rgba(231,239,247,.9) 100%),
    url('/assets/images/backpic/back-1.webp') center/cover no-repeat;
  border-bottom:1px solid var(--c-border);
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-120px;
  bottom:-140px;
  width:420px;
  height:420px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(201,134,63,.16),rgba(201,134,63,0) 68%);
  pointer-events:none;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.35fr .8fr;
  gap:48px;
  align-items:center;
  margin-top:22px;
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  background:var(--c-accent-soft);
  color:#8A5A22;
  font-size:13px;
  font-weight:600;
  letter-spacing:.5px;
  padding:7px 16px;
  border-radius:var(--radius-pill);
  margin-bottom:20px;
}
.hero-badge i{font-size:12px;}
.hero-copy h1{
  font-size:44px;
  line-height:1.28;
  margin-bottom:18px;
  letter-spacing:.3px;
}
.hero-copy h1 em{
  font-style:normal;
  color:var(--c-primary);
}
.hero-sub{
  font-size:17.5px;
  color:var(--c-text-2);
  max-width:640px;
  margin-bottom:28px;
  line-height:1.85;
}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.hero-tags li{
  font-size:13.5px;
  color:var(--c-text-2);
  background:#fff;
  border:1px solid var(--c-border);
  border-radius:var(--radius-pill);
  padding:6px 15px;
  transition:all .2s ease;
}
.hero-tags li:hover{border-color:var(--c-primary-line);color:var(--c-primary-dark);}
.hero-panel{
  background:#fff;
  border:1px solid var(--c-border);
  border-radius:var(--radius-l);
  box-shadow:var(--shadow-m);
  padding:26px 24px;
}
.hero-panel h3{
  font-size:16px;
  color:var(--c-text-2);
  font-weight:600;
  letter-spacing:.5px;
  margin-bottom:18px;
  padding-bottom:14px;
  border-bottom:1px dashed var(--c-border);
}
.stat-row{
  display:flex;
  align-items:baseline;
  justify-content:space-between;
  padding:12px 0;
  border-bottom:1px solid var(--c-border-soft);
}
.stat-row:last-child{border-bottom:0;padding-bottom:0;}
.stat-row b{font-size:24px;color:var(--c-primary);font-weight:700;letter-spacing:.5px;}
.stat-row span{font-size:14px;color:var(--c-text-2);}
.stat-note{
  margin-top:16px;
  font-size:13px;
  color:var(--c-text-3);
  background:var(--c-bg);
  border-radius:var(--radius-s);
  padding:10px 14px;
  line-height:1.7;
}

/* ============ 横滑筛选 ============ */
.filter-bar{
  padding:26px 0 6px;
}
.filter-scroll{
  display:flex;
  gap:10px;
  overflow-x:auto;
  padding-bottom:8px;
  scrollbar-width:none;
}
.filter-scroll::-webkit-scrollbar{display:none;}
.filter-pill{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  gap:7px;
  background:#fff;
  border:1px solid var(--c-border);
  border-radius:var(--radius-pill);
  padding:9px 20px;
  font-size:14.5px;
  color:var(--c-text-2);
  cursor:pointer;
  transition:all .2s ease;
}
.filter-pill:hover{border-color:var(--c-primary);color:var(--c-primary-dark);transform:translateY(-1px);}
.filter-pill.is-active{
  background:var(--c-primary);
  border-color:var(--c-primary);
  color:#fff;
  font-weight:600;
  box-shadow:0 8px 18px rgba(47,95,143,.2);
}

/* ============ 板块 ============ */
.section{padding:var(--section-space) 0;}
.section-alt{background:var(--c-bg-alt);border-top:1px solid var(--c-border-soft);border-bottom:1px solid var(--c-border-soft);}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:38px;
}
.section-head .eyebrow{
  display:block;
  font-size:13px;
  font-weight:600;
  letter-spacing:2px;
  color:var(--c-accent);
  margin-bottom:10px;
}
.section-head h2{margin-bottom:8px;}
.section-head p{
  margin:0;
  color:var(--c-text-2);
  font-size:15.5px;
  max-width:640px;
}
.section-head .head-link{flex:0 0 auto;font-size:14.5px;font-weight:600;}

/* ============ 主题封面 ============ */
.feature-cover{
  display:grid;
  grid-template-columns:1.25fr 1fr;
  background:#fff;
  border:1px solid var(--c-border);
  border-radius:var(--radius-l);
  overflow:hidden;
  box-shadow:var(--shadow-m);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.feature-cover:hover{transform:translateY(-4px);box-shadow:var(--shadow-h);border-color:var(--c-primary-line);}
.feature-media{position:relative;min-height:330px;overflow:hidden;}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.feature-cover:hover .feature-media img{transform:scale(1.04);}
.feature-media::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(31,69,107,.42),rgba(31,69,107,.05));
}
.feature-tag{
  position:absolute;
  top:18px;left:18px;
  z-index:2;
  background:rgba(255,255,255,.94);
  color:var(--c-primary-dark);
  font-size:13px;
  font-weight:600;
  padding:6px 14px;
  border-radius:var(--radius-pill);
}
.feature-body{padding:36px 34px;display:flex;flex-direction:column;justify-content:center;}
.feature-body .meta-line{
  display:flex;flex-wrap:wrap;gap:14px;
  font-size:13.5px;color:var(--c-text-3);
  margin-bottom:16px;
}
.feature-body .meta-line span{display:inline-flex;align-items:center;gap:6px;}
.feature-body h3{font-size:26px;line-height:1.4;margin-bottom:14px;}
.feature-body p{color:var(--c-text-2);font-size:15.5px;margin-bottom:24px;}
.feature-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;}

/* ============ 目录卡 ============ */
.catalog-list{
  display:grid;
  grid-template-columns:repeat(2,1fr);
  gap:20px;
}
.catalog-item{
  display:flex;
  gap:18px;
  background:#fff;
  border:1px solid var(--c-border);
  border-radius:var(--radius-m);
  padding:22px 24px;
  box-shadow:var(--shadow-s);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.catalog-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-m);border-color:var(--c-primary-line);}
.catalog-num{
  flex:0 0 auto;
  width:44px;height:44px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:var(--c-primary-soft);
  color:var(--c-primary-dark);
  font-weight:700;
  font-size:15px;
  letter-spacing:.5px;
  transition:background .25s ease,color .25s ease;
}
.catalog-item:hover .catalog-num{background:var(--c-primary);color:#fff;}
.catalog-main{flex:1 1 auto;min-width:0;}
.catalog-main h3{font-size:18.5px;margin-bottom:8px;}
.catalog-main h3 a{color:var(--c-text);}
.catalog-main h3 a:hover{color:var(--c-primary);}
.catalog-main p{
  font-size:14.5px;
  color:var(--c-text-2);
  margin-bottom:14px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.catalog-foot{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  font-size:13px;color:var(--c-text-3);
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12.5px;
  font-weight:600;
  padding:4px 12px;
  border-radius:var(--radius-pill);
  background:var(--c-primary-soft);
  color:var(--c-primary-dark);
  letter-spacing:.3px;
}
.badge-soft{background:var(--c-accent-soft);color:#8A5A22;}
.badge-line{background:#fff;border:1px solid var(--c-border);color:var(--c-text-2);}

/* ============ 精选条目 ============ */
.pick-lead{
  display:grid;
  grid-template-columns:1.05fr 1fr;
  gap:0;
  background:#fff;
  border:1px solid var(--c-border);
  border-radius:var(--radius-l);
  overflow:hidden;
  box-shadow:var(--shadow-m);
  margin-bottom:22px;
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.pick-lead:hover{transform:translateY(-4px);box-shadow:var(--shadow-h);border-color:var(--c-primary-line);}
.pick-lead .thumb{overflow:hidden;min-height:270px;}
.pick-lead .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.pick-lead:hover .thumb img{transform:scale(1.04);}
.pick-lead .body{padding:34px 32px;display:flex;flex-direction:column;justify-content:center;}
.pick-lead h3{font-size:24px;line-height:1.42;margin-bottom:12px;}
.pick-lead h3 a{color:var(--c-text);}
.pick-lead h3 a:hover{color:var(--c-primary);}
.pick-lead p{color:var(--c-text-2);font-size:15.5px;margin-bottom:18px;}

.pick-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.pick-card{
  display:flex;
  gap:16px;
  background:#fff;
  border:1px solid var(--c-border);
  border-radius:var(--radius-m);
  padding:16px;
  box-shadow:var(--shadow-s);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.pick-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-m);border-color:var(--c-primary-line);}
.pick-card .thumb{
  flex:0 0 128px;
  width:128px;height:100px;
  border-radius:var(--radius-s);
  overflow:hidden;
}
.pick-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.pick-card:hover .thumb img{transform:scale(1.06);}
.pick-card .body{flex:1 1 auto;min-width:0;}
.pick-card h3{font-size:16.5px;line-height:1.5;margin-bottom:8px;}
.pick-card h3 a{color:var(--c-text);}
.pick-card h3 a:hover{color:var(--c-primary);}
.pick-card p{
  font-size:14px;color:var(--c-text-2);margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.pick-card .mini-meta{font-size:12.8px;color:var(--c-text-3);display:flex;gap:12px;flex-wrap:wrap;}

/* ============ 时间线式补充列表 ============ */
.timeline{
  margin-top:26px;
  border-left:2px solid var(--c-primary-line);
  padding-left:26px;
}
.timeline li{position:relative;padding:0 0 22px;}
.timeline li::before{
  content:"";
  position:absolute;
  left:-33px;top:8px;
  width:10px;height:10px;
  border-radius:50%;
  background:#fff;
  border:2px solid var(--c-primary);
}
.timeline li:last-child{padding-bottom:0;}
.timeline h4{font-size:16px;margin-bottom:6px;font-weight:600;}
.timeline h4 a{color:var(--c-text);}
.timeline h4 a:hover{color:var(--c-primary);}
.timeline span{font-size:13px;color:var(--c-text-3);}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto;}
.accordion{border:1px solid var(--c-border);border-radius:var(--radius-m);overflow:hidden;background:#fff;box-shadow:var(--shadow-s);}
.accordion .accordion-item{border-bottom:1px solid var(--c-border-soft);}
.accordion .accordion-item:last-child{border-bottom:0;}
.accordion .accordion-title{
  display:flex;align-items:center;gap:12px;
  padding:20px 24px;
  font-size:16.5px;font-weight:600;
  color:var(--c-text);
  background:#fff;
  border:0;
  transition:background .2s ease,color .2s ease;
}
.accordion .accordion-title:hover{background:var(--c-bg);color:var(--c-primary-dark);}
.accordion .accordion-title::before{
  content:"\f059";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  color:var(--c-primary);
  font-size:15px;
  flex:0 0 auto;
}
.accordion .accordion-title::after{
  color:var(--c-text-3);
  font-size:14px;
  transition:transform .25s ease;
}
.accordion .is-active > .accordion-title{background:var(--c-primary-soft);color:var(--c-primary-dark);}
.accordion .is-active > .accordion-title::after{transform:rotate(180deg);}
.accordion .accordion-content{padding:0 24px 22px 52px;color:var(--c-text-2);font-size:15.3px;background:#fff;}
.accordion .accordion-content p:last-child{margin-bottom:0;}

/* ============ 相关推荐 ============ */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.rel-card{
  display:flex;flex-direction:column;
  background:#fff;
  border:1px solid var(--c-border);
  border-radius:var(--radius-m);
  padding:24px;
  box-shadow:var(--shadow-s);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.rel-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-m);border-color:var(--c-primary-line);}
.rel-card .badge{margin-bottom:14px;align-self:flex-start;}
.rel-card h3{font-size:17.5px;line-height:1.5;margin-bottom:10px;}
.rel-card h3 a{color:var(--c-text);}
.rel-card h3 a:hover{color:var(--c-primary);}
.rel-card p{font-size:14.3px;color:var(--c-text-2);margin-bottom:16px;flex:1 1 auto;}
.rel-card .more{font-size:14px;font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:7px;}
.rel-card .more i{transition:transform .25s ease;}
.rel-card:hover .more i{transform:translateX(4px);}

/* ============ 收藏/分享 CTA ============ */
.cta-band{
  position:relative;
  border-radius:var(--radius-l);
  background:linear-gradient(120deg,#1F456B,#2F5F8F 62%,#3C6E9E);
  color:#fff;
  padding:44px 46px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:34px;
  overflow:hidden;
  box-shadow:0 18px 40px rgba(31,69,107,.28);
}
.cta-band::before{
  content:"";
  position:absolute;
  right:-60px;top:-70px;
  width:300px;height:300px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(201,134,63,.35),rgba(201,134,63,0) 70%);
}
.cta-band > *{position:relative;z-index:1;}
.cta-copy h2{color:#fff;font-size:27px;margin-bottom:10px;}
.cta-copy p{color:rgba(255,255,255,.82);margin:0;font-size:15.5px;max-width:620px;}
.cta-buttons{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto;}
.cta-band .btn-ghost{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.4);color:#fff;}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.2);color:#fff;border-color:#fff;}
.cta-band .btn-accent{background:var(--c-accent);}
.cta-band .btn-accent:hover{background:#b3742f;}

/* ============ 页脚 ============ */
.site-footer{
  background:#122534;
  color:rgba(255,255,255,.72);
  padding:64px 0 26px;
  margin-top:96px;
  font-size:14.5px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:40px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.footer-brand b{color:#fff;font-size:16.5px;}
.site-footer p{color:rgba(255,255,255,.66);font-size:14px;line-height:1.8;}
.site-footer h4{
  color:#fff;
  font-size:15px;
  font-weight:600;
  margin-bottom:18px;
  letter-spacing:.5px;
}
.footer-links li{margin-bottom:11px;}
.footer-links a{color:rgba(255,255,255,.68);font-size:14px;transition:color .2s ease,padding-left .2s ease;}
.footer-links a:hover{color:#fff;padding-left:4px;}
.footer-sub-form{display:flex;gap:8px;margin-top:14px;}
.footer-sub-form input{
  flex:1 1 auto;
  min-width:0;
  height:46px;
  border-radius:var(--radius-s);
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);
  color:#fff;
  padding:0 14px;
  outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.footer-sub-form input::placeholder{color:rgba(255,255,255,.42);}
.footer-sub-form input:focus{border-color:var(--c-accent);box-shadow:0 0 0 4px rgba(201,134,63,.16);}
.footer-sub-form button{
  flex:0 0 auto;
  height:46px;
  padding:0 20px;
  border:0;
  border-radius:var(--radius-s);
  background:var(--c-primary);
  color:#fff;
  font-weight:600;
  cursor:pointer;
  transition:background .2s ease,transform .15s ease;
}
.footer-sub-form button:hover{background:#3A6E9E;}
.footer-sub-form button:active{transform:translateY(1px);}
.form-note{
  display:none;
  margin-top:12px;
  font-size:13px;
  padding:8px 14px;
  border-radius:var(--radius-pill);
  background:var(--c-success-bg);
  color:var(--c-success);
}
.form-note.is-show{display:inline-block;}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  align-items:center;
  padding-top:24px;
  font-size:13.5px;
  color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.72);}
.footer-bottom a:hover{color:#fff;}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  :root{--section-space:80px;}
  .hero-copy h1{font-size:40px;}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px;}
}
@media (max-width:1023px){
  :root{--section-space:72px;}
  .hero-grid{grid-template-columns:1fr;gap:34px;}
  .feature-cover{grid-template-columns:1fr;}
  .feature-media{min-height:250px;}
  .pick-lead{grid-template-columns:1fr;}
  .pick-lead .thumb{min-height:240px;}
  .catalog-list{grid-template-columns:1fr;}
  .pick-grid{grid-template-columns:1fr;}
  .rel-grid{grid-template-columns:repeat(2,1fr);}
  .cta-band{flex-direction:column;align-items:flex-start;padding:38px 32px;}
  .nav-search{max-width:320px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  :root{--section-space:56px;}
  body{font-size:16px;}
  h2{font-size:24px;}
  .nav-top{flex-wrap:wrap;gap:12px;padding:12px 0;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;margin-left:auto;}
  .nav-actions{display:none;}
  .nav-search{order:3;flex:1 1 100%;max-width:none;margin:0;}
  .nav-tabs{max-height:0;overflow:hidden;transition:max-height .32s ease;}
  .nav-tabs.is-open{max-height:320px;overflow:visible;}
  .nav-tabs-inner{flex-direction:column;align-items:stretch;white-space:normal;padding:12px 0 18px;}
  .nav-tab{justify-content:flex-start;padding:12px 16px;}
  .nav-tabs-hint{border-left:0;padding-left:4px;margin-left:0;}
  .breadcrumb{padding-top:18px;}
  .page-hero{padding:20px 0 52px;}
  .hero-copy h1{font-size:30px;}
  .hero-sub{font-size:16px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:28px;}
  .feature-body{padding:26px 22px;}
  .feature-body h3{font-size:21px;}
  .pick-lead .body{padding:26px 22px;}
  .pick-lead h3{font-size:20px;}
  .pick-card{flex-direction:column;}
  .pick-card .thumb{width:100%;height:170px;flex:0 0 auto;}
  .rel-grid{grid-template-columns:1fr;}
  .cta-band{padding:32px 22px;border-radius:var(--radius-m);}
  .cta-copy h2{font-size:22px;}
  .cta-buttons{width:100%;}
  .cta-buttons .btn{flex:1 1 auto;}
  .accordion .accordion-title{padding:16px 18px;font-size:15.5px;}
  .accordion .accordion-content{padding:0 18px 18px 46px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer{margin-top:64px;padding:48px 0 22px;}
  .timeline{padding-left:20px;}
  .timeline li::before{left:-27px;}
}
@media (max-width:519px){
  .container{padding:0 16px;}
  .hero-copy h1{font-size:26px;}
  .hero-cta{flex-direction:column;align-items:stretch;}
  .hero-cta .btn{width:100%;}
  .brand-text span{display:none;}
  .stat-row b{font-size:21px;}
  .pick-card .thumb{height:150px;}
}

/* roulang page: article */
:root{
  --brand:#2F5F8F;
  --brand-dark:#1F456B;
  --brand-deep:#16324E;
  --brand-soft:#EAF1F8;
  --accent:#C9863F;
  --accent-soft:#F3E3D1;
  --bg:#F6F8FB;
  --bg-soft:#FBFCFE;
  --ink:#14202B;
  --muted:#5B6B7C;
  --line:#DCE4EC;
  --card-line:#E2E8F0;
  --radius-lg:18px;
  --radius:14px;
  --radius-sm:10px;
  --shadow:0 8px 24px rgba(24,52,80,.08);
  --shadow-lg:0 16px 40px rgba(24,52,80,.14);
  --container:1240px;
}

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

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

body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,"Helvetica Neue",Arial,sans-serif;
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3,h4,h5{margin:0;font-weight:700;line-height:1.32;color:var(--ink);}
p{margin:0 0 1em;}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-dark);}
ul,ol{margin:0;padding:0;list-style:none;}
button,input,textarea{font:inherit;color:inherit;}
:focus-visible{outline:3px solid rgba(47,95,143,.45);outline-offset:2px;border-radius:6px;}

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

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 2px 12px rgba(24,52,80,.05);
}
.nav-top{display:flex;align-items:center;gap:24px;padding:14px 0;}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;color:var(--ink);}
.brand:hover{color:var(--ink);}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:42px;height:42px;border-radius:12px;
  background:linear-gradient(135deg,var(--brand),var(--brand-dark));
  color:#fff;font-size:12.5px;font-weight:700;letter-spacing:.6px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;}
.brand-text b{font-size:17px;font-weight:700;letter-spacing:.2px;}
.brand-text span{font-size:12px;color:var(--muted);}
.nav-toggle{
  display:none;
  width:42px;height:42px;align-items:center;justify-content:center;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  border-radius:12px;cursor:pointer;transition:background .2s,border-color .2s;
}
.nav-toggle:hover{background:var(--brand-soft);border-color:var(--brand);color:var(--brand);}
.nav-search{
  display:flex;align-items:center;gap:8px;
  flex:1 1 320px;max-width:430px;margin-left:auto;
  background:var(--bg-soft);
  border:1px solid var(--line);
  border-radius:999px;
  padding:4px 4px 4px 16px;
  transition:border-color .2s,box-shadow .2s;
}
.nav-search i{color:var(--muted);font-size:14px;}
.nav-search input{flex:1;min-width:0;border:0;background:transparent;height:38px;outline:none;font-size:14px;}
.nav-search button{
  border:0;background:var(--brand);color:#fff;border-radius:999px;
  padding:0 18px;height:38px;font-size:14px;font-weight:600;cursor:pointer;
  transition:background .2s ease;
}
.nav-search button:hover{background:var(--brand-dark);}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(47,95,143,.12);}
.nav-actions{flex:0 0 auto;}

.nav-tabs{background:linear-gradient(180deg,#fff,#FBFCFE);border-top:1px solid var(--line);}
.nav-tabs-inner{
  display:flex;align-items:center;gap:8px;
  overflow-x:auto;padding:8px 0;
  scrollbar-width:none;
}
.nav-tabs-inner::-webkit-scrollbar{display:none;}
.nav-tab{
  flex:0 0 auto;padding:9px 16px;border-radius:999px;
  font-size:14.5px;font-weight:500;color:var(--muted);
  border:1px solid transparent;
  transition:background .2s,color .2s,border-color .2s,box-shadow .2s;
}
.nav-tab:hover{color:var(--brand);background:var(--brand-soft);}
.nav-tab.is-active{
  color:#fff;background:var(--brand);border-color:var(--brand);
  font-weight:600;box-shadow:0 6px 16px rgba(47,95,143,.24);
}
.nav-tabs-hint{
  margin-left:auto;flex:0 0 auto;padding-left:16px;
  font-size:12.5px;color:var(--muted);white-space:nowrap;
}

/* ============ 按钮 / 徽章 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:12px;
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .18s ease,background .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(47,95,143,.22);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(31,69,107,.28);}
.btn-primary:active{transform:translateY(0);background:#173A5C;}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--brand);}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-dark);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);background:#DCEAF7;}
.btn-warm{background:var(--accent);color:#fff;box-shadow:0 8px 20px rgba(201,134,63,.22);}
.btn-warm:hover{background:#B4732F;color:#fff;transform:translateY(-2px);}
.btn-sm{padding:9px 18px;font-size:14px;border-radius:10px;}
.btn-block{width:100%;}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 12px;border-radius:999px;
  font-size:12.5px;font-weight:600;line-height:1.8;
}
.badge-brand{background:var(--brand-soft);color:var(--brand-dark);}
.badge-warm{background:var(--accent-soft);color:#9A6220;}
.badge-line{background:#fff;border:1px solid var(--line);color:var(--muted);}

/* ============ 文章头部 ============ */
.article-hero{
  position:relative;overflow:hidden;
  padding:34px 0 44px;
  background:#fff;
  border-bottom:1px solid var(--line);
}
.article-hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  opacity:.20;
}
.article-hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(255,255,255,.62),rgba(246,248,251,.94));
}
.article-hero .container{position:relative;z-index:2;}

.breadcrumb{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:13.5px;color:var(--muted);margin-bottom:22px;
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:#B7C4D2;}
.breadcrumb .current{color:var(--ink);font-weight:600;}

.article-badges{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:16px;}
.article-title{
  font-size:clamp(28px,4vw,42px);
  line-height:1.30;
  font-weight:700;
  letter-spacing:.2px;
  max-width:900px;
  margin-bottom:20px;
}
.article-meta{
  display:flex;align-items:center;gap:22px;flex-wrap:wrap;
  font-size:14px;color:var(--muted);
}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{color:var(--brand);font-size:13px;}
.meta-share{margin-left:auto;display:flex;align-items:center;gap:10px;}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:10px;
  background:#fff;border:1px solid var(--line);color:var(--muted);
  cursor:pointer;transition:all .2s ease;
}
.icon-btn:hover{color:var(--brand);border-color:var(--brand);background:var(--brand-soft);transform:translateY(-2px);}
.icon-btn:active{transform:translateY(0);}

/* ============ 文章主体布局 ============ */
.article-wrap{padding:52px 0 72px;}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:44px;
  align-items:start;
}
.article-card{
  background:#fff;
  border:1px solid var(--card-line);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  padding:44px 48px 40px;
}
.article-body{
  max-width:820px;
  font-size:17px;
  line-height:1.9;
  color:#22303C;
  word-wrap:break-word;
}
.article-body p{margin:0 0 1.05em;}
.article-body h2{
  font-size:26px;line-height:1.4;
  margin:2em 0 .8em;
  padding-left:16px;
  border-left:4px solid var(--brand);
  border-radius:2px;
}
.article-body h2:first-child{margin-top:0;}
.article-body h3{font-size:21px;margin:1.7em 0 .65em;font-weight:700;}
.article-body h4{font-size:18px;margin:1.5em 0 .6em;color:var(--brand-dark);}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.5em;}
.article-body ul{list-style:disc;}
.article-body ol{list-style:decimal;}
.article-body li{margin-bottom:.5em;}
.article-body li::marker{color:var(--brand);}
.article-body blockquote{
  margin:1.6em 0;
  padding:18px 22px;
  background:var(--bg-soft);
  border-left:4px solid var(--accent);
  border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:#3B4C5C;
  font-size:16px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--radius);margin:1.6em 0;box-shadow:var(--shadow);}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--brand-dark);}
.article-body hr{border:0;border-top:1px dashed var(--line);margin:2.2em 0;}
.article-body code{
  background:var(--brand-soft);color:var(--brand-dark);
  padding:2px 7px;border-radius:6px;font-size:14.5px;
}
.article-body pre{
  background:#16324E;color:#DCE7F2;padding:18px 20px;
  border-radius:var(--radius);overflow-x:auto;margin:1.6em 0;
}
.article-body pre code{background:none;color:inherit;padding:0;}
.article-body table{
  width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;
}
.article-body th,.article-body td{
  border:1px solid var(--card-line);padding:10px 14px;text-align:left;
}
.article-body th{background:var(--brand-soft);color:var(--brand-dark);font-weight:600;}

.article-foot{
  max-width:820px;
  margin-top:36px;padding-top:24px;
  border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;
}
.article-foot .foot-label{font-size:14px;color:var(--muted);}
.share-row{display:flex;align-items:center;gap:10px;}

.empty-state{
  text-align:center;padding:34px 20px 46px;
}
.empty-state .empty-icon{
  width:64px;height:64px;margin:0 auto 18px;
  border-radius:18px;background:var(--brand-soft);
  display:flex;align-items:center;justify-content:center;
  color:var(--brand);font-size:24px;
}
.empty-state h2{font-size:23px;margin-bottom:10px;border:0;padding:0;}
.empty-state p{color:var(--muted);margin-bottom:22px;}

/* ============ 侧栏 ============ */
.article-side{position:sticky;top:150px;display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:#fff;border:1px solid var(--card-line);
  border-radius:var(--radius);box-shadow:var(--shadow);
  padding:20px 22px;
}
.side-card-head{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:15px;font-weight:700;color:var(--ink);
  padding-bottom:12px;margin-bottom:12px;
  border-bottom:1px solid var(--line);
}
.side-card-head i{color:var(--brand);margin-right:6px;}
.toc-toggle{
  display:none;border:1px solid var(--line);background:#fff;color:var(--brand);
  font-size:12.5px;font-weight:600;padding:4px 12px;border-radius:999px;cursor:pointer;
}
.toc-toggle:hover{background:var(--brand-soft);border-color:var(--brand);}
.toc-nav ul{display:flex;flex-direction:column;gap:2px;}
.toc-nav a{
  display:block;padding:7px 10px;border-radius:8px;
  font-size:13.8px;line-height:1.6;color:var(--muted);
  border-left:2px solid transparent;
  transition:background .2s,color .2s,border-color .2s;
}
.toc-nav a:hover{background:var(--brand-soft);color:var(--brand-dark);border-left-color:var(--brand);}
.side-sub p{font-size:13.5px;color:var(--muted);margin-bottom:14px;}
.side-sub .sub-form{display:flex;flex-direction:column;gap:10px;}
.side-sub input{
  height:44px;border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:0 14px;font-size:14px;background:var(--bg-soft);outline:none;
  transition:border-color .2s,box-shadow .2s,background .2s;
}
.side-sub input:focus{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(47,95,143,.12);}
.side-tags{display:flex;flex-wrap:wrap;gap:8px;}

/* ============ 相关推荐 ============ */
.related{padding:0 0 76px;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:20px;margin-bottom:28px;flex-wrap:wrap;
}
.section-head h2{font-size:28px;line-height:1.35;}
.section-head p{font-size:14.5px;color:var(--muted);margin:8px 0 0;}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.post-card{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--card-line);
  border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#C7DAEC;}
.thumb{
  position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;background:var(--brand-soft);
}
.thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.post-card:hover .thumb img{transform:scale(1.04);}
.thumb .tag{
  position:absolute;left:12px;top:12px;
  background:rgba(255,255,255,.94);color:var(--brand-dark);
  font-size:12px;font-weight:600;padding:3px 10px;border-radius:999px;
}
.post-card-body{padding:18px 20px 22px;display:flex;flex-direction:column;flex:1;}
.post-card-body h3{font-size:17px;line-height:1.55;margin-bottom:10px;}
.post-card-body h3 a{color:var(--ink);}
.post-card-body h3 a:hover{color:var(--brand);}
.post-card-body p{
  font-size:14px;color:var(--muted);line-height:1.75;margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:12.5px;color:var(--muted);padding-top:14px;border-top:1px solid var(--line);
}

/* ============ CTA 横条 ============ */
.cta-band{
  background:linear-gradient(135deg,var(--brand-dark),var(--brand-deep));
  border-radius:var(--radius-lg);
  padding:36px 40px;
  display:flex;align-items:center;justify-content:space-between;
  gap:24px;flex-wrap:wrap;
  box-shadow:0 18px 40px rgba(22,50,78,.28);
  margin-bottom:80px;
}
.cta-band h2{color:#fff;font-size:24px;margin-bottom:8px;}
.cta-band p{color:#BFD3E6;font-size:14.5px;margin:0;}
.cta-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.cta-band .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.55);}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;}

/* ============ 页脚 ============ */
.site-footer{
  background:#152F4A;
  color:#C6D5E4;
  padding:64px 0 26px;
  font-size:14.5px;
  line-height:1.8;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:38px;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-brand .brand-mark{
  width:36px;height:36px;border-radius:10px;font-size:11.5px;
  background:linear-gradient(135deg,#3B78AE,#2F5F8F);
}
.footer-brand b{color:#fff;font-size:16.5px;}
.site-footer p{color:#A9BDD1;font-size:14px;margin:0;}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:600;}
.footer-links li{margin-bottom:10px;}
.footer-links a{color:#A9BDD1;font-size:14px;}
.footer-links a:hover{color:#fff;}
.footer-sub-form{display:flex;gap:8px;margin-top:12px;}
.footer-sub-form input{
  flex:1;min-width:0;height:44px;border-radius:var(--radius-sm);
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.08);
  color:#fff;padding:0 14px;font-size:14px;outline:none;
  transition:border-color .2s,box-shadow .2s,background .2s;
}
.footer-sub-form input::placeholder{color:#8FA7BD;}
.footer-sub-form input:focus{border-color:#7FB2DC;background:rgba(255,255,255,.14);box-shadow:0 0 0 3px rgba(127,178,220,.20);}
.footer-sub-form button{
  height:44px;padding:0 20px;border:0;border-radius:var(--radius-sm);
  background:var(--accent);color:#fff;font-size:14px;font-weight:600;cursor:pointer;
  transition:background .2s,transform .18s;
}
.footer-sub-form button:hover{background:#B4732F;transform:translateY(-1px);}
.form-tip{font-size:13px;color:#8FD0A8;margin-top:10px;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;
  gap:14px;flex-wrap:wrap;
  padding-top:22px;font-size:13px;color:#8FA7BD;
}
.footer-bottom a{color:#BFD3E6;}
.footer-bottom a:hover{color:#fff;}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .article-layout{grid-template-columns:1fr;gap:30px;}
  .article-side{position:static;order:2;}
  .article-card{padding:34px 30px 32px;}
  .toc-toggle{display:inline-flex;}
  .toc-nav.is-collapsed{display:none;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}

@media (max-width:899px){
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .nav-actions{display:none;}
  .nav-search{display:none;}
  .site-header.is-open .nav-search{
    display:flex;order:3;flex:1 1 100%;max-width:none;margin-left:0;
  }
  .nav-top{flex-wrap:wrap;row-gap:12px;}
  .nav-tabs-hint{display:none;}
}

@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .article-wrap{padding:36px 0 52px;}
  .article-card{padding:26px 20px 26px;border-radius:var(--radius);}
  .article-hero{padding:24px 0 32px;}
  .article-body{font-size:16px;line-height:1.88;}
  .article-body h2{font-size:22px;}
  .article-body h3{font-size:19px;}
  .article-meta{gap:14px;font-size:13px;}
  .meta-share{margin-left:0;width:100%;}
  .section-head h2{font-size:23px;}
  .related-grid{grid-template-columns:1fr;}
  .related{padding-bottom:56px;}
  .cta-band{padding:26px 22px;border-radius:var(--radius);margin-bottom:56px;}
  .cta-band h2{font-size:20px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .site-footer{padding:48px 0 22px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

@media (max-width:520px){
  .brand-text span{display:none;}
  .brand-text b{font-size:15.5px;}
  .article-title{font-size:24px;}
  .btn{padding:10px 18px;font-size:14.5px;}
  .footer-sub-form{flex-direction:column;}
  .footer-sub-form button{width:100%;}
}

/* roulang page: category2 */
:root{
  --primary:#2F5F8F;
  --primary-dark:#1F456B;
  --primary-soft:#EAF1F8;
  --accent:#C9863F;
  --accent-soft:#F3E3D1;
  --bg:#F6F8FB;
  --bg-soft:#FBFCFE;
  --surface:#FFFFFF;
  --ink:#14202B;
  --muted:#5B6B7C;
  --border:#DCE4EC;
  --border-soft:#E8EEF4;
  --radius-sm:10px;
  --radius:14px;
  --radius-lg:18px;
  --shadow-sm:0 2px 10px rgba(24,52,80,.06);
  --shadow:0 8px 24px rgba(24,52,80,.08);
  --shadow-lg:0 16px 40px rgba(24,52,80,.14);
  --font:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
}

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

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

body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}

h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
img{display:block;max-width:100%;height:auto;}
a{color:var(--primary);text-decoration:none;transition:color .18s ease;}
a:hover,a:focus{color:var(--primary-dark);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:3px solid rgba(47,95,143,.38);outline-offset:2px;border-radius:8px;}

.container{
  width:100%;
  max-width:1240px;
  margin:0 auto;
  padding:0 22px;
}

.section{padding:84px 0;}
.section--tight{padding:64px 0;}
.section--soft{background:var(--bg-soft);}
.section--line{border-top:1px solid var(--border-soft);}

.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  letter-spacing:.08em;
  color:var(--primary);
  background:var(--primary-soft);
  border-radius:999px;
  padding:5px 14px;
  margin-bottom:16px;
  font-weight:600;
}
.eyebrow i{font-size:12px;color:var(--accent);}

.section-head{max-width:760px;margin-bottom:38px;}
.section-title{
  font-size:clamp(23px,2.5vw,31px);
  line-height:1.35;
  font-weight:700;
  letter-spacing:.01em;
  color:var(--ink);
}
.section-sub{
  margin-top:12px;
  color:var(--muted);
  font-size:15.5px;
  line-height:1.8;
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:var(--surface);
  border-bottom:1px solid var(--border);
  box-shadow:0 4px 20px rgba(24,52,80,.06);
}
.nav-top{
  display:flex;
  align-items:center;
  gap:20px;
  min-height:72px;
  flex-wrap:nowrap;
}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;}
.brand-mark{
  width:42px;height:42px;
  display:grid;place-items:center;
  border-radius:12px;
  background:linear-gradient(140deg,var(--primary) 0%,var(--primary-dark) 100%);
  color:#fff;
  font-size:12px;
  font-weight:700;
  letter-spacing:.06em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.3;}
.brand-text b{font-size:16.5px;font-weight:700;color:var(--ink);}
.brand-text span{font-size:12px;color:var(--muted);}
.brand:hover .brand-text b{color:var(--primary-dark);}

.nav-search{
  flex:1 1 auto;
  max-width:400px;
  display:flex;
  align-items:center;
  gap:8px;
  padding:4px 5px 4px 14px;
  background:var(--bg);
  border:1px solid var(--border);
  border-radius:12px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.nav-search:focus-within{
  border-color:var(--primary);
  background:#fff;
  box-shadow:0 0 0 4px rgba(47,95,143,.10);
}
.nav-search i{color:var(--muted);font-size:13px;}
.nav-search input{
  flex:1 1 auto;
  min-width:0;
  height:38px;
  border:0;
  background:transparent;
  color:var(--ink);
  outline:none;
  font-size:14px;
}
.nav-search input::placeholder{color:#93A2B1;}
.nav-search button{
  flex:0 0 auto;
  height:38px;
  padding:0 16px;
  border-radius:9px;
  background:var(--primary);
  color:#fff;
  font-size:14px;
  font-weight:600;
  transition:background .18s ease,transform .18s ease;
}
.nav-search button:hover{background:var(--primary-dark);}
.nav-search button:active{transform:translateY(1px);}

.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px;flex:0 0 auto;}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;
  justify-content:center;
  border-radius:11px;
  border:1px solid var(--border);
  background:var(--surface);
  color:var(--primary-dark);
  font-size:17px;
  transition:background .18s ease,border-color .18s ease;
}
.nav-toggle:hover{background:var(--primary-soft);border-color:#C4D5E6;}

.nav-tabs{
  background:var(--bg-soft);
  border-top:1px solid var(--border-soft);
}
.nav-tabs-inner{
  display:flex;
  align-items:center;
  gap:8px;
  padding:11px 0;
  overflow-x:auto;
  scrollbar-width:none;
  -ms-overflow-style:none;
}
.nav-tabs-inner::-webkit-scrollbar{display:none;}
.nav-tab{
  flex:0 0 auto;
  padding:8px 16px;
  border-radius:999px;
  font-size:14.5px;
  color:var(--muted);
  white-space:nowrap;
  transition:background .18s ease,color .18s ease,box-shadow .18s ease;
}
.nav-tab:hover{background:var(--primary-soft);color:var(--primary-dark);}
.nav-tab.is-active{
  background:var(--primary);
  color:#fff;
  font-weight:600;
  box-shadow:0 6px 16px rgba(47,95,143,.24);
}
.nav-tabs-hint{
  margin-left:auto;
  padding-left:16px;
  font-size:12.5px;
  color:var(--muted);
  white-space:nowrap;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 24px;
  border-radius:11px;
  font-size:15px;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:background .18s ease,color .18s ease,border-color .18s ease,transform .18s ease,box-shadow .18s ease;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 20px rgba(47,95,143,.22);}
.btn-primary:hover{background:var(--primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(31,69,107,.26);}
.btn-ghost{border-color:#C4D5E6;color:var(--primary-dark);background:rgba(255,255,255,.72);}
.btn-ghost:hover{border-color:var(--primary);background:#fff;color:var(--primary-dark);transform:translateY(-2px);}
.btn-accent{background:var(--accent);color:#fff;}
.btn-accent:hover{background:#B4742F;color:#fff;transform:translateY(-2px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;border-radius:10px;}
.btn-block{width:100%;}
.btn-row{display:flex;flex-wrap:wrap;gap:12px;}

/* ============ Hero ============ */
.category-hero{
  position:relative;
  padding:76px 0 68px;
  background-image:linear-gradient(102deg,rgba(255,255,255,.96) 0%,rgba(246,248,251,.90) 52%,rgba(243,227,209,.58) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;
  background-position:center right;
  border-bottom:1px solid var(--border-soft);
}
.category-hero .hero-inner{max-width:820px;}
.category-hero h1{
  font-size:clamp(28px,3.7vw,44px);
  line-height:1.28;
  font-weight:700;
  letter-spacing:.01em;
  color:var(--ink);
}
.category-hero .hero-sub{
  margin-top:18px;
  font-size:17px;
  line-height:1.85;
  color:#3E4E5E;
  max-width:700px;
}
.category-hero .btn-row{margin-top:30px;}
.hero-stats{
  display:flex;
  flex-wrap:wrap;
  gap:10px 12px;
  margin-top:34px;
}
.hero-stat{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 15px;
  background:rgba(255,255,255,.88);
  border:1px solid var(--border);
  border-radius:999px;
  font-size:13.5px;
  color:#41525F;
}
.hero-stat i{color:var(--accent);font-size:12px;}
.hero-stat b{color:var(--primary-dark);font-weight:700;}

/* ============ 封面卡 ============ */
.cover-card{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:0;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.cover-media{position:relative;min-height:320px;background:#E7EEF5;}
.cover-media img{width:100%;height:100%;object-fit:cover;}
.cover-media .cover-tag{
  position:absolute;
  left:18px;top:18px;
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:6px 14px;
  border-radius:999px;
  background:rgba(255,255,255,.94);
  color:var(--primary-dark);
  font-size:13px;
  font-weight:600;
  box-shadow:var(--shadow-sm);
}
.cover-body{padding:34px 34px 32px;display:flex;flex-direction:column;}
.cover-body h2{
  font-size:clamp(21px,2.1vw,26px);
  line-height:1.4;
  font-weight:700;
  color:var(--ink);
}
.cover-body p{margin-top:14px;color:var(--muted);font-size:15.5px;}
.cover-meta{
  display:flex;
  flex-wrap:wrap;
  gap:10px 18px;
  margin-top:20px;
  padding-top:18px;
  border-top:1px solid var(--border-soft);
  font-size:13.5px;
  color:var(--muted);
}
.cover-meta span{display:inline-flex;align-items:center;gap:7px;}
.cover-meta i{color:var(--primary);font-size:12.5px;}
.cover-body .btn{margin-top:24px;align-self:flex-start;}

/* ============ 分组目录 ============ */
.topic-group{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:26px 26px 18px;
  box-shadow:var(--shadow-sm);
  height:100%;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.topic-group:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#CBDAE8;}
.topic-group-head{display:flex;align-items:flex-start;gap:14px;padding-bottom:18px;border-bottom:1px solid var(--border-soft);}
.topic-num{
  flex:0 0 auto;
  width:38px;height:38px;
  display:grid;place-items:center;
  border-radius:11px;
  background:var(--accent-soft);
  color:#A2652A;
  font-size:14px;
  font-weight:700;
}
.topic-group-head h3{font-size:19px;font-weight:700;line-height:1.45;}
.topic-group-head p{margin-top:6px;font-size:14px;color:var(--muted);line-height:1.75;}
.entry-row{
  display:flex;
  gap:14px;
  padding:16px 0;
  border-bottom:1px solid var(--border-soft);
}
.entry-row:last-child{border-bottom:0;}
.entry-thumb{
  flex:0 0 auto;
  width:104px;
  aspect-ratio:4/3;
  border-radius:11px;
  overflow:hidden;
  background:#E7EEF5;
}
.entry-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.entry-row:hover .entry-thumb img{transform:scale(1.05);}
.entry-body{min-width:0;}
.entry-body h4{font-size:15.5px;font-weight:600;line-height:1.55;}
.entry-body h4 a{color:var(--ink);}
.entry-body h4 a:hover{color:var(--primary);}
.entry-body p{
  margin-top:6px;
  font-size:13.5px;
  line-height:1.7;
  color:var(--muted);
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.entry-meta{
  margin-top:8px;
  display:flex;
  flex-wrap:wrap;
  gap:8px 14px;
  font-size:12.5px;
  color:#7A8896;
}
.entry-meta i{color:var(--primary);font-size:11.5px;margin-right:5px;}

/* ============ 精选条目 ============ */
.pick-main{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  height:100%;
  display:flex;
  flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.pick-main:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#CBDAE8;}
.pick-main .thumb{aspect-ratio:16/9;overflow:hidden;background:#E7EEF5;}
.pick-main .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.pick-main:hover .thumb img{transform:scale(1.04);}
.pick-main .pick-body{padding:24px 26px 26px;display:flex;flex-direction:column;flex:1;}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:999px;
  font-size:12.5px;
  font-weight:600;
  background:var(--primary-soft);
  color:var(--primary-dark);
}
.badge-accent{background:var(--accent-soft);color:#9A6127;}
.pick-main h3{margin-top:14px;font-size:21px;line-height:1.45;font-weight:700;}
.pick-main h3 a{color:var(--ink);}
.pick-main h3 a:hover{color:var(--primary);}
.pick-main p{margin-top:12px;font-size:15px;color:var(--muted);}
.pick-main .entry-meta{margin-top:auto;padding-top:18px;}

.pick-side{display:flex;flex-direction:column;gap:24px;height:100%;}
.pick-mini{
  display:flex;
  gap:16px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius);
  padding:16px;
  box-shadow:var(--shadow-sm);
  flex:1;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.pick-mini:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#CBDAE8;}
.pick-mini .thumb{
  flex:0 0 auto;
  width:132px;
  aspect-ratio:4/3;
  border-radius:11px;
  overflow:hidden;
  background:#E7EEF5;
}
.pick-mini .thumb img{width:100%;height:100%;object-fit:cover;}
.pick-mini h3{margin-top:10px;font-size:16.5px;line-height:1.5;font-weight:600;}
.pick-mini h3 a{color:var(--ink);}
.pick-mini h3 a:hover{color:var(--primary);}
.pick-mini p{margin-top:8px;font-size:13.5px;color:var(--muted);line-height:1.7;}

/* ============ 相关推荐 ============ */
.rec-card{
  display:flex;
  flex-direction:column;
  background:var(--surface);
  border:1px solid var(--border-soft);
  border-radius:var(--radius);
  overflow:hidden;
  height:100%;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rec-card:hover{transform:translateY(-3px);box-shadow:var(--shadow);border-color:#CBDAE8;}
.rec-card .thumb{aspect-ratio:16/9;overflow:hidden;background:#E7EEF5;}
.rec-card .thumb img{width:100%;height:100%;object-fit:cover;}
.rec-card .rec-body{padding:18px 20px 20px;}
.rec-card h3{font-size:16.5px;font-weight:600;line-height:1.5;}
.rec-card h3 a{color:var(--ink);}
.rec-card h3 a:hover{color:var(--primary);}
.rec-card p{margin-top:8px;font-size:13.5px;color:var(--muted);line-height:1.7;}
.rec-card .entry-meta{margin-top:12px;}

/* ============ CTA 条 ============ */
.cta-bar{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:26px;
  flex-wrap:wrap;
  padding:30px 34px;
  border-radius:var(--radius-lg);
  background:linear-gradient(120deg,#1F456B 0%,#2F5F8F 62%,#3C6E9E 100%);
  color:#fff;
  box-shadow:var(--shadow-lg);
}
.cta-bar h2{font-size:22px;font-weight:700;line-height:1.45;color:#fff;}
.cta-bar p{margin-top:8px;font-size:14.5px;color:rgba(255,255,255,.82);max-width:620px;}
.cta-bar .btn-ghost{border-color:rgba(255,255,255,.55);color:#fff;background:rgba(255,255,255,.08);}
.cta-bar .btn-ghost:hover{background:#fff;color:var(--primary-dark);border-color:#fff;}
.cta-bar .btn-accent{background:var(--accent);}
.cta-bar .btn-accent:hover{background:#B4742F;}

/* ============ 订阅 ============ */
.sub-panel{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:34px;
  align-items:center;
  padding:36px 38px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);
}
.sub-panel h2{font-size:24px;font-weight:700;line-height:1.45;}
.sub-panel p{margin-top:12px;color:var(--muted);font-size:15px;}
.sub-form{display:flex;flex-wrap:wrap;gap:12px;}
.sub-form input{
  flex:1 1 220px;
  min-width:0;
  height:46px;
  padding:0 16px;
  border:1px solid var(--border);
  border-radius:11px;
  background:var(--bg-soft);
  color:var(--ink);
  outline:none;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.sub-form input:focus{border-color:var(--primary);background:#fff;box-shadow:0 0 0 4px rgba(47,95,143,.10);}
.form-note{
  flex:1 1 100%;
  display:none;
  align-items:center;
  gap:8px;
  padding:9px 14px;
  border-radius:10px;
  background:var(--primary-soft);
  color:var(--primary-dark);
  font-size:13.5px;
}
.form-note.is-visible{display:inline-flex;}

/* ============ 页脚 ============ */
.site-footer{
  margin-top:20px;
  padding:64px 0 28px;
  background:#132B42;
  color:#C7D6E4;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.3fr;
  gap:36px;
  padding-bottom:38px;
  border-bottom:1px solid rgba(199,214,228,.18);
}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.12);color:#fff;}
.footer-brand b{color:#fff;font-size:16.5px;}
.site-footer p{font-size:14px;line-height:1.8;color:#9FB4C7;}
.site-footer h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;}
.footer-links li{margin-bottom:11px;}
.footer-links a{color:#B5C7D8;font-size:14px;}
.footer-links a:hover{color:#fff;}
.footer-sub-form{display:flex;gap:10px;margin-top:6px;}
.footer-sub-form input{
  flex:1 1 auto;
  min-width:0;
  height:44px;
  padding:0 14px;
  border-radius:10px;
  border:1px solid rgba(199,214,228,.28);
  background:rgba(255,255,255,.06);
  color:#fff;
  outline:none;
  transition:border-color .2s ease,background .2s ease;
}
.footer-sub-form input::placeholder{color:#8CA3B8;}
.footer-sub-form input:focus{border-color:#7FB2DE;background:rgba(255,255,255,.12);}
.footer-sub-form button{
  flex:0 0 auto;
  height:44px;
  padding:0 20px;
  border-radius:10px;
  background:var(--accent);
  color:#fff;
  font-size:14px;
  font-weight:600;
  transition:background .18s ease,transform .18s ease;
}
.footer-sub-form button:hover{background:#B4742F;}
.footer-sub-form button:active{transform:translateY(1px);}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  padding-top:22px;
  font-size:13.5px;
  color:#8CA3B8;
}
.footer-bottom a{color:#B5C7D8;}
.footer-bottom a:hover{color:#fff;}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .section{padding:66px 0;}
  .cover-card{grid-template-columns:1fr;}
  .cover-media{min-height:260px;}
  .sub-panel{grid-template-columns:1fr;gap:24px;padding:30px 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}

@media (max-width:900px){
  .nav-top{flex-wrap:wrap;gap:12px;padding:12px 0;min-height:0;}
  .nav-search{order:3;flex:1 0 100%;max-width:none;}
  .nav-actions{display:none;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .nav-tabs{display:none;}
  .nav-tabs.is-open{display:block;}
  .nav-tabs-inner{
    flex-direction:column;
    align-items:stretch;
    overflow:visible;
    gap:6px;
    padding:12px 0 16px;
  }
  .nav-tab{padding:11px 16px;border-radius:11px;}
  .nav-tabs-hint{display:none;}
}

@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .category-hero{padding:54px 0 48px;background-position:center;}
  .category-hero .hero-sub{font-size:16px;}
  .cover-body{padding:26px 22px 26px;}
  .topic-group{padding:22px 20px 14px;}
  .entry-thumb{width:88px;}
  .pick-mini{flex-direction:column;gap:12px;}
  .pick-mini .thumb{width:100%;aspect-ratio:16/9;}
  .cta-bar{padding:26px 22px;}
  .sub-panel{padding:26px 20px;}
  .footer-grid{grid-template-columns:1fr;}
}

@media (max-width:520px){
  .brand-text span{display:none;}
  .btn{width:100%;}
  .btn-row .btn{width:100%;}
  .nav-search button{padding:0 14px;}
  .hero-stats{gap:8px;}
  .hero-stat{font-size:12.5px;padding:7px 12px;}
  .cta-bar .btn{width:100%;}
  .entry-row{gap:12px;}
  .entry-thumb{width:76px;}
}