/* roulang page: index */
:root{
  --fs-primary:#1554D1;
  --fs-primary-dark:#0B3AA8;
  --fs-primary-light:#E8EFFC;
  --fs-accent:#FF7A2F;
  --fs-teal:#12A594;
  --fs-bg:#F7F9FC;
  --fs-surface:#FFFFFF;
  --fs-surface-alt:#F2F6FD;
  --fs-text:#101828;
  --fs-text-2:#475467;
  --fs-muted:#98A2B3;
  --fs-border:#E4E9F2;
  --fs-dark:#0B1B33;
  --fs-dark-2:#12274a;
  --fs-radius:16px;
  --fs-radius-sm:12px;
  --fs-shadow:0 1px 2px rgba(16,24,40,.04), 0 12px 32px -16px rgba(21,84,209,.16);
  --fs-shadow-hover:0 2px 4px rgba(16,24,40,.06), 0 20px 44px -18px rgba(21,84,209,.28);
  --fs-font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",Inter,system-ui,-apple-system,sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--fs-font);
  font-size:16px;
  line-height:1.8;
  color:var(--fs-text-2);
  background:var(--fs-bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--fs-primary);text-decoration:none;transition:color .2s ease-out;}
a:hover{color:var(--fs-primary-dark);}
button{font-family:inherit;cursor:pointer;border:none;background:none;}
h1,h2,h3,h4{color:var(--fs-text);margin:0;line-height:1.35;font-weight:600;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--fs-primary);outline-offset:2px;border-radius:6px;}
body.fs-locked{overflow:hidden;}

/* ---------- 容器 ---------- */
.fs-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
@media (min-width:1440px){.fs-container{max-width:1280px;}}
@media (max-width:575px){.fs-container{padding:0 16px;}}

/* ---------- 按钮 ---------- */
.fs-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 24px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;letter-spacing:.2px;
  transition:background-color .2s ease-out,color .2s ease-out,box-shadow .2s ease-out,transform .2s ease-out,border-color .2s ease-out;
}
.fs-btn-primary{background:var(--fs-primary);color:#fff;box-shadow:0 8px 20px -10px rgba(21,84,209,.7);}
.fs-btn-primary:hover,.fs-btn-primary:focus{background:var(--fs-primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 14px 26px -12px rgba(11,58,168,.72);}
.fs-btn-primary:active{transform:translateY(0);}
.fs-btn-ghost{background:#fff;color:var(--fs-primary);border:1px solid var(--fs-primary);}
.fs-btn-ghost:hover,.fs-btn-ghost:focus{background:var(--fs-primary-light);color:var(--fs-primary-dark);transform:translateY(-2px);}
.fs-btn-sm{min-height:38px;padding:9px 18px;font-size:14px;}
.fs-btn-link{color:var(--fs-primary);font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:6px;min-height:44px;}
.fs-btn-link .fs-arrow{transition:transform .2s ease-out;}
.fs-btn-link:hover .fs-arrow{transform:translateX(3px);}
.fs-arrow{font-size:14px;line-height:1;}

/* ---------- 徽章 / 标签 ---------- */
.fs-badge{
  display:inline-flex;align-items:center;gap:5px;
  padding:4px 11px;border-radius:999px;font-size:12px;font-weight:600;line-height:1.6;
  background:var(--fs-primary-light);color:var(--fs-primary);
}
.fs-badge-accent{background:#FFF1E8;color:#C2521A;}
.fs-badge-teal{background:#E4F7F4;color:#0C7A6D;}
.fs-badge-plain{background:#F1F4F9;color:var(--fs-text-2);font-weight:500;}

/* ---------- 顶栏 ---------- */
.fs-header{
  position:sticky;top:0;z-index:60;background:#fff;
  border-bottom:1px solid var(--fs-border);
  transition:box-shadow .22s ease-out;
}
.fs-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(16,24,40,.5);}
.fs-nav-wrap{display:flex;align-items:center;gap:20px;min-height:64px;}
.fs-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--fs-text);}
.fs-logo:hover{color:var(--fs-text);}
.fs-logo-mark{
  width:36px;height:36px;border-radius:11px;flex:0 0 36px;
  background:linear-gradient(135deg,var(--fs-primary),var(--fs-primary-dark));
  color:#fff;font-size:16px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.fs-logo-text{font-size:17px;font-weight:700;letter-spacing:.5px;white-space:nowrap;}
.fs-logo-sub{display:block;font-size:11px;font-weight:500;color:var(--fs-muted);letter-spacing:1.4px;line-height:1;}
.fs-nav{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1 1 auto;}
.fs-nav-link{
  position:relative;display:inline-flex;align-items:center;gap:5px;
  padding:9px 13px;border-radius:999px;font-size:15px;font-weight:500;color:var(--fs-text-2);
  transition:color .2s ease-out,background-color .2s ease-out;
}
.fs-nav-link:hover{color:var(--fs-primary);background:var(--fs-surface-alt);}
.fs-nav-link.is-active{color:var(--fs-primary);font-weight:600;background:var(--fs-primary-light);}
.fs-mini{font-size:10px;font-weight:700;padding:1px 5px;border-radius:6px;line-height:1.5;}
.fs-mini-hot{background:#FFE9DC;color:#C2521A;}
.fs-mini-new{background:#E4F7F4;color:#0C7A6D;}
.fs-nav-right{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.fs-status{display:inline-flex;align-items:center;gap:7px;font-size:14px;color:var(--fs-text-2);white-space:nowrap;}
.fs-dot{width:8px;height:8px;border-radius:50%;background:var(--fs-teal);box-shadow:0 0 0 3px rgba(18,165,148,.18);}
.fs-burger{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--fs-border);
  align-items:center;justify-content:center;flex-direction:column;gap:4px;background:#fff;
}
.fs-burger span{display:block;width:18px;height:2px;background:var(--fs-text);border-radius:2px;transition:transform .2s ease-out,opacity .2s ease-out;}
.fs-burger.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.fs-burger.is-open span:nth-child(2){opacity:0;}
.fs-burger.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* 抽屉 */
.fs-drawer{
  position:fixed;inset:64px 0 0 0;background:#fff;z-index:55;
  transform:translateX(102%);transition:transform .26s ease-out;
  display:flex;flex-direction:column;padding:18px 20px 24px;overflow-y:auto;
}
.fs-drawer.is-open{transform:translateX(0);}
.fs-drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 4px;border-bottom:1px solid var(--fs-border);
  font-size:19px;font-weight:600;color:var(--fs-text);
}
.fs-drawer-link.is-active{color:var(--fs-primary);}
.fs-drawer-foot{margin-top:auto;padding-top:22px;display:flex;flex-direction:column;gap:12px;}
.fs-drawer-note{font-size:14px;color:var(--fs-muted);}

/* ---------- 通用板块 ---------- */
.fs-section{padding:72px 0;}
.fs-section-alt{background:var(--fs-surface-alt);}
@media (max-width:767px){.fs-section{padding:48px 0;}}
.fs-sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;flex-wrap:wrap;}
.fs-sec-title{font-size:27px;font-weight:600;position:relative;padding-left:14px;}
.fs-sec-title::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:4px;background:var(--fs-primary);}
.fs-sec-desc{font-size:15px;color:var(--fs-text-2);margin-top:10px;max-width:640px;}
@media (max-width:767px){.fs-sec-title{font-size:22px;}}

/* ---------- Hero ---------- */
.fs-hero{background:#fff;border-bottom:1px solid var(--fs-border);position:relative;overflow:hidden;}
.fs-hero::after{
  content:"";position:absolute;right:-120px;top:-80px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(21,84,209,.07),transparent 65%);pointer-events:none;
}
.fs-hero-inner{padding:64px 0 68px;}
@media (max-width:767px){.fs-hero-inner{padding:36px 0 44px;}}
.fs-hero-tagline{display:inline-flex;align-items:center;gap:8px;padding:6px 14px;border-radius:999px;background:var(--fs-primary-light);color:var(--fs-primary);font-size:13px;font-weight:600;margin-bottom:20px;}
.fs-hero h1{font-size:40px;font-weight:700;letter-spacing:.5px;line-height:1.28;margin-bottom:18px;}
.fs-hero h1 em{font-style:normal;color:var(--fs-primary);}
@media (max-width:1023px){.fs-hero h1{font-size:34px;}}
@media (max-width:575px){.fs-hero h1{font-size:28px;letter-spacing:0;}}
.fs-hero-sub{font-size:17px;color:var(--fs-text-2);max-width:520px;line-height:1.85;}
.fs-hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin:28px 0 26px;}
.fs-hero-metrics{display:flex;gap:12px;flex-wrap:wrap;}
.fs-metric{
  display:flex;align-items:center;gap:8px;padding:9px 15px;border-radius:999px;
  background:var(--fs-surface-alt);border:1px solid var(--fs-border);font-size:13px;color:var(--fs-text-2);
}
.fs-metric b{color:var(--fs-text);font-size:14px;font-weight:700;}
.fs-hero-visual{position:relative;}
.fs-hero-visual img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:20px;
  border:1px solid var(--fs-border);box-shadow:var(--fs-shadow);
}
.fs-float-card{
  position:absolute;left:18px;bottom:-22px;width:min(300px,86%);
  background:#fff;border:1px solid var(--fs-border);border-radius:14px;
  box-shadow:var(--fs-shadow-hover);padding:14px 16px;display:flex;align-items:center;gap:12px;
}
.fs-float-card .fs-float-txt{flex:1 1 auto;}
.fs-float-card strong{display:block;font-size:14px;color:var(--fs-text);font-weight:600;line-height:1.5;}
.fs-float-card small{font-size:12px;color:var(--fs-muted);}
.fs-float-go{
  width:36px;height:36px;flex:0 0 36px;border-radius:50%;background:var(--fs-primary-light);
  color:var(--fs-primary);display:flex;align-items:center;justify-content:center;font-size:14px;
  transition:background-color .2s ease-out,color .2s ease-out,transform .2s ease-out;
}
.fs-float-card:hover .fs-float-go{background:var(--fs-primary);color:#fff;transform:translateX(2px);}
@media (max-width:1023px){.fs-float-card{position:static;width:100%;margin-top:16px;}}

/* ---------- 合集目录卡 ---------- */
.fs-collection-card{
  display:flex;flex-direction:column;height:100%;
  background:#fff;border:1px solid var(--fs-border);border-radius:var(--fs-radius);
  padding:24px;box-shadow:var(--fs-shadow);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.fs-collection-card:hover{transform:translateY(-2px);box-shadow:var(--fs-shadow-hover);border-color:#D5E0F7;color:inherit;}
.fs-collection-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.fs-collection-no{font-size:26px;font-weight:700;color:#DCE6F9;letter-spacing:1px;line-height:1;}
.fs-collection-card h3{font-size:19px;font-weight:600;margin-bottom:10px;}
.fs-collection-sum{font-size:15px;color:var(--fs-text-2);line-height:1.8;margin-bottom:18px;}
.fs-collection-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  padding-top:14px;border-top:1px solid var(--fs-border);font-size:13px;color:var(--fs-muted);
}
.fs-collection-foot .fs-arrow{color:var(--fs-accent);font-size:15px;transition:transform .2s ease-out;}
.fs-collection-card:hover .fs-arrow{transform:translateX(3px);}

/* ---------- 数据速览 ---------- */
.fs-stats-strip{
  background:#fff;border:1px solid var(--fs-border);border-radius:var(--fs-radius);
  box-shadow:var(--fs-shadow);padding:8px 0;
}
.fs-stat{padding:22px 20px;border-right:1px solid var(--fs-border);}
.fs-stat:last-child{border-right:none;}
@media (max-width:1023px){.fs-stat{border-right:none;border-bottom:1px solid var(--fs-border);}
.fs-stat:last-child{border-bottom:none;}}
.fs-stat-num{font-size:30px;font-weight:700;color:var(--fs-primary);line-height:1.2;letter-spacing:.5px;}
.fs-stat-label{font-size:14px;color:var(--fs-text-2);margin-top:4px;}
.fs-stat-hint{font-size:12px;color:var(--fs-muted);margin-top:2px;}

/* ---------- 精选条目 ---------- */
.fs-feature-main{
  display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--fs-border);
  border-radius:var(--fs-radius);overflow:hidden;box-shadow:var(--fs-shadow);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.fs-feature-main:hover{transform:translateY(-2px);box-shadow:var(--fs-shadow-hover);color:inherit;}
.fs-feature-main img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.fs-feature-body{padding:24px;}
.fs-feature-body h3{font-size:22px;font-weight:600;margin:14px 0 10px;}
.fs-feature-body p{font-size:15px;color:var(--fs-text-2);}
.fs-feature-meta{display:flex;align-items:center;gap:10px;margin-top:18px;font-size:13px;color:var(--fs-muted);flex-wrap:wrap;}
.fs-feature-meta .fs-sep{color:#D6DDE8;}
.fs-rank-list{display:flex;flex-direction:column;gap:12px;height:100%;}
.fs-rank-item{
  display:flex;align-items:flex-start;gap:14px;background:#fff;border:1px solid var(--fs-border);
  border-radius:var(--fs-radius-sm);padding:16px 18px;box-shadow:0 1px 2px rgba(16,24,40,.03);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.fs-rank-item:hover{transform:translateY(-2px);box-shadow:var(--fs-shadow);border-color:#D5E0F7;color:inherit;}
.fs-rank-no{
  flex:0 0 30px;width:30px;height:30px;border-radius:9px;background:var(--fs-surface-alt);
  color:var(--fs-primary);font-size:14px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.fs-rank-item h3{font-size:16px;font-weight:600;line-height:1.6;margin-bottom:6px;}
.fs-rank-item .fs-rank-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:var(--fs-muted);flex-wrap:wrap;}

/* ---------- 最新信息（CMS） ---------- */
.fs-news-card{
  display:flex;flex-direction:column;height:100%;background:#fff;border:1px solid var(--fs-border);
  border-radius:var(--fs-radius);padding:22px;box-shadow:var(--fs-shadow);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.fs-news-card:hover{transform:translateY(-2px);box-shadow:var(--fs-shadow-hover);border-color:#D5E0F7;color:inherit;}
.fs-news-card h3{
  font-size:17px;font-weight:600;line-height:1.6;margin:14px 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.fs-news-card p{
  font-size:14px;color:var(--fs-text-2);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.fs-news-foot{
  margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;
  font-size:12px;color:var(--fs-muted);
}
.fs-news-foot .fs-arrow{color:var(--fs-primary);}
.fs-news-empty{
  background:#fff;border:1px dashed #C9D6EE;border-radius:var(--fs-radius);
  padding:44px 24px;text-align:center;box-shadow:0 1px 2px rgba(16,24,40,.03);
}
.fs-news-empty .fs-empty-icon{
  width:52px;height:52px;margin:0 auto 14px;border-radius:14px;background:var(--fs-primary-light);
  color:var(--fs-primary);display:flex;align-items:center;justify-content:center;font-size:22px;font-weight:700;
}
.fs-news-empty p{font-size:15px;color:var(--fs-text-2);margin-bottom:18px;}

/* ---------- 横滑推荐 ---------- */
.fs-scroll-wrap{
  display:flex;gap:18px;overflow-x:auto;padding:6px 4px 18px;
  scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;
}
.fs-scroll-wrap::-webkit-scrollbar{height:6px;}
.fs-scroll-wrap::-webkit-scrollbar-thumb{background:#D5DEEE;border-radius:999px;}
.fs-scroll-card{
  flex:0 0 258px;scroll-snap-align:start;background:#fff;border:1px solid var(--fs-border);
  border-radius:var(--fs-radius);overflow:hidden;box-shadow:var(--fs-shadow);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.fs-scroll-card:hover{transform:translateY(-2px);box-shadow:var(--fs-shadow-hover);color:inherit;}
.fs-scroll-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.fs-scroll-body{padding:16px;}
.fs-scroll-body h3{
  font-size:15px;font-weight:600;line-height:1.6;margin-top:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:48px;
}
.fs-scroll-body span{display:block;font-size:12px;color:var(--fs-muted);margin-top:10px;}

/* ---------- CTA 带 ---------- */
.fs-cta-band{
  background:#fff;border:1px solid var(--fs-border);border-radius:var(--fs-radius);
  box-shadow:var(--fs-shadow);padding:26px 28px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.fs-cta-band h2{font-size:20px;font-weight:600;margin-bottom:6px;padding:0;}
.fs-cta-band p{font-size:15px;color:var(--fs-text-2);}
.fs-cta-icons{display:flex;align-items:center;gap:12px;}
.fs-icon-btn{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--fs-border);background:#fff;
  color:var(--fs-primary);display:flex;align-items:center;justify-content:center;font-size:16px;
  transition:transform .2s ease-out,background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.fs-icon-btn:hover{transform:translateY(-2px);background:var(--fs-primary-light);border-color:#C6D8F7;box-shadow:var(--fs-shadow);}
.fs-icon-btn:active{transform:translateY(0);}

/* ---------- FAQ ---------- */
.fs-faq-list{display:flex;flex-direction:column;gap:14px;}
.fs-faq-item{background:var(--fs-surface-alt);border:1px solid var(--fs-border);border-radius:var(--fs-radius-sm);overflow:hidden;transition:background-color .2s ease-out,border-color .2s ease-out;}
.fs-faq-item.is-open{background:#fff;border-color:#D5E0F7;}
.fs-faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;font-size:16px;font-weight:600;color:var(--fs-text);text-align:left;line-height:1.6;
}
.fs-faq-icon{
  position:relative;flex:0 0 24px;width:24px;height:24px;border-radius:50%;
  background:#fff;border:1px solid var(--fs-border);transition:transform .2s ease-out,background-color .2s ease-out;
}
.fs-faq-icon::before,.fs-faq-icon::after{
  content:"";position:absolute;left:6px;right:6px;top:50%;height:2px;margin-top:-1px;background:var(--fs-primary);border-radius:2px;
}
.fs-faq-icon::after{transform:rotate(90deg);transition:transform .2s ease-out,opacity .2s ease-out;}
.fs-faq-item.is-open .fs-faq-icon{transform:rotate(45deg);background:var(--fs-primary-light);}
.fs-faq-a{max-height:0;overflow:hidden;transition:max-height .26s ease-out;}
.fs-faq-a p{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--fs-text-2);}

/* ---------- 页脚 ---------- */
.fs-footer{background:var(--fs-dark);color:#C7D2E0;padding:60px 0 0;margin-top:8px;}
.fs-footer h4{color:#fff;font-size:16px;font-weight:600;margin-bottom:16px;}
.fs-footer a{color:#C7D2E0;font-size:14px;}
.fs-footer a:hover{color:#fff;text-decoration:underline;}
.fs-footer .fs-foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.fs-footer .fs-foot-brand .fs-logo-mark{background:linear-gradient(135deg,#2C6BE8,#0B3AA8);}
.fs-footer .fs-foot-brand span{color:#fff;font-size:17px;font-weight:700;letter-spacing:.5px;}
.fs-footer p{font-size:14px;line-height:1.9;color:#9FB0C7;}
.fs-foot-list{display:flex;flex-direction:column;gap:10px;}
.fs-foot-contact li{font-size:14px;color:#9FB0C7;margin-bottom:10px;}
.fs-foot-contact b{color:#fff;font-weight:600;display:inline-block;min-width:44px;}
.fs-foot-bottom{
  margin-top:48px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:#8B9CB4;
}
.fs-foot-bottom a{font-size:13px;}

/* ---------- 辅助 ---------- */
.fs-mt-24{margin-top:24px;}
.fs-text-muted{color:var(--fs-muted);font-size:13px;}
.fs-sr{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0;}
@media (max-width:767px){
  .fs-btn{width:100%;}
  .fs-hero-cta .fs-btn{width:100%;}
  .fs-cta-band .fs-btn{width:auto;}
  .fs-cta-icons{width:100%;justify-content:flex-start;}
  .fs-cta-band{padding:22px 20px;}
}
@media (max-width:1023px){
  .fs-nav{display:none;}
  .fs-status{display:none;}
  .fs-burger{display:flex;}
  .fs-nav-wrap{justify-content:space-between;}
}
@media (min-width:1024px){
  .fs-drawer{display:none;}
}

/* roulang page: article */
:root{
  --fs-primary:#1554D1;
  --fs-primary-dark:#0B3AA8;
  --fs-primary-light:#E8EFFC;
  --fs-orange:#FF7A2F;
  --fs-teal:#12A594;
  --fs-bg:#F7F9FC;
  --fs-bg-alt:#F2F6FD;
  --fs-card:#FFFFFF;
  --fs-title:#101828;
  --fs-text:#475467;
  --fs-muted:#98A2B3;
  --fs-border:#E4E9F2;
  --fs-footer:#0B1B33;
  --fs-radius:16px;
  --fs-radius-sm:12px;
  --fs-shadow:0 1px 2px rgba(16,24,40,.04),0 12px 32px -16px rgba(21,84,209,.16);
  --fs-shadow-hover:0 2px 4px rgba(16,24,40,.05),0 18px 40px -18px rgba(21,84,209,.28);
  --fs-font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  --fs-num:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--fs-font);
  font-size:16px;
  line-height:1.8;
  color:var(--fs-text);
  background:var(--fs-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--fs-primary);text-decoration:none;transition:color .2s ease-out;}
a:hover{color:var(--fs-primary-dark);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--fs-title);font-family:var(--fs-font);line-height:1.35;}
p{margin:0 0 16px;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--fs-primary);outline-offset:2px;border-radius:4px;}
.fs-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.fs-num{font-family:var(--fs-num);font-variant-numeric:tabular-nums;}
.fs-section{padding:72px 0;}
.fs-section-alt{background:var(--fs-bg-alt);}
.fs-sec-head{max-width:720px;margin-bottom:36px;}
.fs-sec-head h2{font-size:28px;font-weight:600;letter-spacing:.3px;}
.fs-sec-head p{margin-top:10px;color:var(--fs-text);font-size:16px;}

/* ---------- 顶部导航 ---------- */
.fs-header{
  position:sticky;top:0;z-index:80;background:#fff;
  border-bottom:1px solid var(--fs-border);
  transition:box-shadow .2s ease-out;
}
.fs-header.is-scrolled{box-shadow:0 8px 26px -18px rgba(16,24,40,.35);}
.fs-header-inner{display:flex;align-items:center;gap:22px;height:64px;}
.fs-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--fs-title);font-weight:700;font-size:17px;letter-spacing:.4px;}
.fs-logo:hover{color:var(--fs-title);}
.fs-logo-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 auto;
  background:linear-gradient(150deg,var(--fs-primary) 0%,var(--fs-primary-dark) 100%);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;letter-spacing:0;
}
.fs-logo-text{white-space:nowrap;}
.fs-logo-text small{display:block;font-size:11px;font-weight:400;color:var(--fs-muted);letter-spacing:1px;line-height:1.2;}
.fs-nav{display:flex;align-items:center;gap:4px;margin-left:6px;flex:1 1 auto;min-width:0;}
.fs-nav-link{
  position:relative;display:inline-flex;align-items:center;gap:5px;
  padding:9px 13px;border-radius:999px;font-size:14.5px;color:var(--fs-text);
  white-space:nowrap;transition:background .2s ease-out,color .2s ease-out;
}
.fs-nav-link:hover{background:var(--fs-primary-light);color:var(--fs-primary-dark);}
.fs-nav-link.is-active{background:var(--fs-primary-light);color:var(--fs-primary-dark);font-weight:600;}
.fs-nav-link.is-active::after{
  content:"";position:absolute;left:50%;bottom:1px;transform:translateX(-50%);
  width:18px;height:2px;border-radius:2px;background:var(--fs-primary);
}
.fs-mini{
  font-size:11px;line-height:1;padding:3px 5px;border-radius:6px;font-weight:600;
}
.fs-mini-hot{background:rgba(255,122,47,.14);color:#D9541A;}
.fs-mini-new{background:rgba(18,165,148,.14);color:#0B7C70;}
.fs-header-right{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.fs-nav-status{display:flex;align-items:center;gap:7px;font-size:13px;color:var(--fs-text);}
.fs-dot{
  width:7px;height:7px;border-radius:50%;background:var(--fs-teal);flex:0 0 auto;
  box-shadow:0 0 0 3px rgba(18,165,148,.16);
}
.fs-countdown-wrap{
  display:flex;align-items:center;gap:6px;font-size:13px;color:var(--fs-muted);
  padding:5px 11px;border:1px solid var(--fs-border);border-radius:999px;background:#fff;
}
.fs-countdown{font-family:var(--fs-num);font-size:14px;font-weight:600;color:var(--fs-orange);font-variant-numeric:tabular-nums;}
.fs-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:11px 22px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:600;cursor:pointer;
  transition:background .2s ease-out,color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.fs-btn-primary{background:var(--fs-primary);color:#fff;box-shadow:0 10px 22px -14px rgba(21,84,209,.85);}
.fs-btn-primary:hover{background:var(--fs-primary-dark);color:#fff;transform:translateY(-2px);}
.fs-btn-ghost{background:#fff;color:var(--fs-primary);border-color:var(--fs-primary);}
.fs-btn-ghost:hover{background:var(--fs-primary-light);color:var(--fs-primary-dark);transform:translateY(-2px);}
.fs-btn-quiet{background:#fff;color:var(--fs-title);border-color:var(--fs-border);}
.fs-btn-quiet:hover{border-color:var(--fs-primary);color:var(--fs-primary);transform:translateY(-2px);}
.fs-btn-sm{min-height:38px;padding:8px 16px;font-size:14px;}
.fs-btn-block{width:100%;}
.fs-btn .fa-arrow-right{transition:transform .2s ease-out;}
.fs-btn:hover .fa-arrow-right{transform:translateX(3px);}
.fs-burger{
  display:none;width:44px;height:44px;align-items:center;justify-content:center;
  border:1px solid var(--fs-border);background:#fff;border-radius:12px;color:var(--fs-title);
  font-size:17px;cursor:pointer;
}
.fs-burger:hover{border-color:var(--fs-primary);color:var(--fs-primary);}

/* ---------- 移动抽屉 ---------- */
.fs-drawer{
  position:fixed;inset:0;z-index:120;background:#fff;display:flex;flex-direction:column;
  transform:translateY(-100%);opacity:0;visibility:hidden;
  transition:transform .24s ease-out,opacity .24s ease-out,visibility .24s;
}
.fs-drawer.is-open{transform:translateY(0);opacity:1;visibility:visible;}
.fs-drawer-head{display:flex;align-items:center;gap:10px;height:64px;padding:0 16px;border-bottom:1px solid var(--fs-border);}
.fs-drawer-close{
  margin-left:auto;width:44px;height:44px;border:1px solid var(--fs-border);background:#fff;
  border-radius:12px;font-size:20px;line-height:1;color:var(--fs-title);cursor:pointer;
}
.fs-drawer-nav{flex:1 1 auto;overflow-y:auto;padding:18px 16px;}
.fs-drawer-link{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 14px;border-radius:14px;font-size:18px;font-weight:600;color:var(--fs-title);
  margin-bottom:8px;background:var(--fs-bg);
}
.fs-drawer-link.is-active{background:var(--fs-primary-light);color:var(--fs-primary-dark);}
.fs-drawer-link i{font-size:14px;color:var(--fs-muted);}
.fs-drawer-foot{padding:16px;border-top:1px solid var(--fs-border);background:#fff;}
body.fs-lock{overflow:hidden;}

/* ---------- 面包屑 ---------- */
.fs-crumb-bar{background:#fff;border-bottom:1px solid var(--fs-border);}
.fs-crumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:14px;color:var(--fs-muted);padding:13px 0;}
.fs-crumb a{color:var(--fs-text);}
.fs-crumb a:hover{color:var(--fs-primary);}
.fs-crumb-sep{color:#C3CBD9;}
.fs-crumb-current{color:var(--fs-title);font-weight:600;}
.fs-crumb-current span{display:inline-block;max-width:46ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;vertical-align:bottom;}

/* ---------- 文章头部 ---------- */
.fs-article-hero{
  background:#fff;
  background-image:linear-gradient(180deg,rgba(232,239,252,.72) 0%,rgba(255,255,255,0) 78%);
  border-bottom:1px solid var(--fs-border);
  padding:44px 0 40px;
}
.fs-article-head{max-width:820px;margin:0 auto;text-align:center;}
.fs-tagline{display:inline-flex;align-items:center;gap:8px;margin-bottom:18px;}
.fs-badge{
  display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;
  padding:5px 12px;border-radius:999px;line-height:1.3;
}
.fs-badge-blue{background:var(--fs-primary-light);color:var(--fs-primary-dark);}
.fs-badge-orange{background:rgba(255,122,47,.14);color:#D9541A;}
.fs-badge-teal{background:rgba(18,165,148,.14);color:#0B7C70;}
.fs-badge-outline{background:#fff;border:1px solid var(--fs-border);color:var(--fs-text);}
.fs-article-head h1{
  font-size:38px;font-weight:700;letter-spacing:.5px;line-height:1.3;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.fs-article-meta{
  display:flex;align-items:center;justify-content:center;flex-wrap:wrap;gap:10px;
  margin-top:20px;font-size:14px;color:var(--fs-muted);
}
.fs-article-meta .fs-dotsep{width:4px;height:4px;border-radius:50%;background:#D3DAE6;}
.fs-article-meta b{font-weight:600;color:var(--fs-text);}
.fs-article-meta .fs-num{font-family:var(--fs-num);font-variant-numeric:tabular-nums;}

/* ---------- 正文 ---------- */
.fs-article-wrap{padding:56px 0 8px;}
.fs-article-panel{
  background:#fff;border:1px solid var(--fs-border);border-radius:var(--fs-radius);
  box-shadow:var(--fs-shadow);padding:44px 48px;
}
.fs-article-body{max-width:760px;margin:0 auto;font-size:17px;line-height:1.88;color:var(--fs-text);}
.fs-article-body>*:first-child{margin-top:0;}
.fs-article-body p{margin:0 0 20px;}
.fs-article-body h2{
  position:relative;font-size:26px;font-weight:600;color:var(--fs-title);
  margin:42px 0 16px;padding-left:15px;line-height:1.4;
}
.fs-article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:3px;
  border-radius:3px;background:var(--fs-primary);
}
.fs-article-body h3{font-size:19px;font-weight:600;color:var(--fs-title);margin:30px 0 12px;}
.fs-article-body h4{font-size:17px;font-weight:600;color:var(--fs-title);margin:24px 0 10px;}
.fs-article-body ul,.fs-article-body ol{margin:0 0 20px;padding-left:22px;line-height:1.85;}
.fs-article-body ul{list-style:disc;}
.fs-article-body ol{list-style:decimal;}
.fs-article-body li{margin-bottom:9px;}
.fs-article-body img{border-radius:14px;margin:24px auto;height:auto;}
.fs-article-body figure{margin:26px 0;}
.fs-article-body figcaption{text-align:center;font-size:14px;color:var(--fs-muted);margin-top:10px;}
.fs-article-body blockquote{
  margin:26px 0;padding:18px 22px;background:var(--fs-bg-alt);
  border-left:3px solid var(--fs-primary);border-radius:8px;color:var(--fs-text);
}
.fs-article-body blockquote p:last-child{margin-bottom:0;}
.fs-article-body a{color:var(--fs-primary);border-bottom:1px solid rgba(21,84,209,.32);}
.fs-article-body a:hover{color:var(--fs-primary-dark);border-bottom-color:var(--fs-primary-dark);}
.fs-article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15.5px;}
.fs-article-body th,.fs-article-body td{border-bottom:1px solid var(--fs-border);padding:12px 14px;text-align:left;}
.fs-article-body th{background:var(--fs-bg-alt);color:var(--fs-title);font-weight:600;}
.fs-article-body code{background:var(--fs-bg-alt);border-radius:6px;padding:2px 6px;font-size:15px;}
.fs-article-empty{text-align:center;padding:36px 12px 20px;}
.fs-article-empty i{font-size:40px;color:#C3CBD9;}
.fs-article-empty h2{font-size:22px;margin:18px 0 10px;}
.fs-article-empty p{color:var(--fs-muted);max-width:520px;margin:0 auto 22px;}

/* ---------- 标签与分享 ---------- */
.fs-article-foot{
  max-width:760px;margin:36px auto 0;padding-top:26px;border-top:1px solid var(--fs-border);
  display:flex;align-items:center;justify-content:space-between;gap:20px;flex-wrap:wrap;
}
.fs-tagrow{display:flex;align-items:center;gap:8px;flex-wrap:wrap;}
.fs-tagrow .fs-label{font-size:13px;color:var(--fs-muted);margin-right:2px;}
.fs-share{display:flex;align-items:center;gap:10px;}
.fs-share .fs-label{font-size:13px;color:var(--fs-muted);}
.fs-icon-btn{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--fs-border);background:#fff;
  color:var(--fs-primary);display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;cursor:pointer;transition:background .2s ease-out,border-color .2s ease-out,color .2s ease-out,transform .2s ease-out;
}
.fs-icon-btn:hover{background:var(--fs-primary-light);border-color:var(--fs-primary);transform:translateY(-2px);}

/* ---------- 相关推荐 ---------- */
.fs-cards{display:grid;gap:22px;grid-template-columns:repeat(3,minmax(0,1fr));}
.fs-card{
  display:flex;flex-direction:column;background:var(--fs-card);border:1px solid var(--fs-border);
  border-radius:var(--fs-radius);box-shadow:var(--fs-shadow);overflow:hidden;
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.fs-card:hover{transform:translateY(-2px);box-shadow:var(--fs-shadow-hover);border-color:#D5E0F7;}
.fs-card-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--fs-bg-alt);}
.fs-card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .24s ease-out;}
.fs-card:hover .fs-card-thumb img{transform:scale(1.03);}
.fs-card-thumb .fs-badge{position:absolute;left:12px;top:12px;}
.fs-card-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto;}
.fs-card-body h3{font-size:18px;font-weight:600;line-height:1.5;margin-bottom:8px;}
.fs-card-body h3 a{color:var(--fs-title);}
.fs-card-body h3 a:hover{color:var(--fs-primary);}
.fs-card-body p{font-size:14.5px;color:var(--fs-text);line-height:1.7;margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.fs-card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--fs-muted);}
.fs-card-foot .fs-more{color:var(--fs-primary);font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.fs-card-foot .fs-more i{transition:transform .2s ease-out;}
.fs-card:hover .fs-card-foot .fs-more i{transform:translateX(3px);}

/* ---------- 返回入口 ---------- */
.fs-backline{display:flex;justify-content:center;margin-top:38px;}

/* ---------- FAQ ---------- */
.fs-faq{max-width:860px;margin:0 auto;}
.fs-faq-item{
  background:#fff;border:1px solid var(--fs-border);border-radius:var(--fs-radius-sm);
  box-shadow:0 1px 2px rgba(16,24,40,.04);margin-bottom:14px;overflow:hidden;
}
.fs-faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:17px;font-weight:600;color:var(--fs-title);
}
.fs-faq-q .fs-faq-ico{
  width:28px;height:28px;flex:0 0 auto;border-radius:50%;background:var(--fs-primary-light);
  color:var(--fs-primary-dark);display:flex;align-items:center;justify-content:center;
  font-size:15px;transition:transform .2s ease-out;
}
.fs-faq-item.is-open .fs-faq-ico{transform:rotate(45deg);}
.fs-faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease-out;}
.fs-faq-a-inner{padding:0 24px 22px;font-size:15.5px;line-height:1.85;color:var(--fs-text);}
.fs-faq-a-inner p:last-child{margin-bottom:0;}

/* ---------- CTA 带 ---------- */
.fs-cta-band{
  background:#fff;border:1px solid var(--fs-border);border-radius:var(--fs-radius);
  box-shadow:var(--fs-shadow);padding:28px 32px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
}
.fs-cta-band h2{font-size:22px;font-weight:600;}
.fs-cta-band p{margin:8px 0 0;font-size:15px;color:var(--fs-text);}
.fs-cta-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.fs-cta-round{
  width:46px;height:46px;border-radius:50%;border:1px solid var(--fs-border);background:#fff;
  color:var(--fs-primary);display:inline-flex;align-items:center;justify-content:center;
  font-size:16px;cursor:pointer;transition:background .2s ease-out,transform .2s ease-out,border-color .2s ease-out;
}
.fs-cta-round:hover{background:var(--fs-primary-light);border-color:var(--fs-primary);transform:translateY(-2px);}

/* ---------- 页脚 ---------- */
.fs-footer{background:var(--fs-footer);color:#C7D2E0;padding:64px 0 0;margin-top:80px;}
.fs-footer h4{color:#fff;font-size:16px;font-weight:600;margin-bottom:16px;}
.fs-foot-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:700;font-size:17px;margin-bottom:14px;}
.fs-foot-brand .fs-logo-mark{background:linear-gradient(150deg,#2A6BE8 0%,#1554D1 100%);}
.fs-footer p{color:#C7D2E0;font-size:14.5px;line-height:1.8;}
.fs-foot-list li{margin-bottom:10px;}
.fs-foot-list a{color:#C7D2E0;font-size:14.5px;}
.fs-foot-list a:hover{color:#fff;text-decoration:underline;}
.fs-foot-contact li{font-size:14.5px;margin-bottom:10px;color:#C7D2E0;}
.fs-foot-contact b{color:#fff;font-weight:600;margin-right:8px;}
.fs-foot-bottom{
  margin-top:44px;border-top:1px solid rgba(255,255,255,.12);padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13.5px;color:#93A3B8;
}
.fs-foot-bottom a{color:#93A3B8;}
.fs-foot-bottom a:hover{color:#fff;}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1199px){
  .fs-nav-status{display:none;}
}
@media screen and (max-width:1023px){
  .fs-header-inner{gap:14px;}
  .fs-nav{display:none;}
  .fs-burger{display:inline-flex;}
  .fs-cards{grid-template-columns:repeat(2,minmax(0,1fr));}
  .fs-article-head h1{font-size:32px;}
  .fs-section{padding:60px 0;}
}
@media screen and (max-width:767px){
  .fs-container{padding:0 16px;}
  .fs-countdown-wrap{display:none;}
  .fs-header-right .fs-btn{display:none;}
  .fs-article-hero{padding:32px 0 30px;}
  .fs-article-head h1{font-size:26px;-webkit-line-clamp:3;}
  .fs-article-panel{padding:24px 18px;border-radius:var(--fs-radius-sm);}
  .fs-article-body{font-size:16.5px;line-height:1.85;}
  .fs-article-body h2{font-size:22px;margin:32px 0 14px;}
  .fs-article-body h3{font-size:18px;}
  .fs-article-foot{flex-direction:column;align-items:flex-start;}
  .fs-cards{grid-template-columns:1fr;}
  .fs-cta-band{padding:22px 20px;}
  .fs-cta-actions{width:100%;}
  .fs-cta-actions .fs-btn{width:100%;}
  .fs-section{padding:48px 0;}
  .fs-sec-head h2{font-size:23px;}
  .fs-footer{padding-top:48px;margin-top:56px;}
  .fs-article-wrap{padding:32px 0 8px;}
}
@media screen and (min-width:1440px){
  .fs-container{max-width:1280px;padding:0 24px;}
}

/* roulang page: category1 */
:root{
  --fs-primary:#1554D1;
  --fs-primary-dark:#0B3AA8;
  --fs-primary-soft:#E8EFFC;
  --fs-orange:#FF7A2F;
  --fs-orange-soft:#FFF1E8;
  --fs-teal:#12A594;
  --fs-teal-soft:#E6F6F4;
  --fs-bg:#F7F9FC;
  --fs-bg-alt:#F2F6FD;
  --fs-surface:#FFFFFF;
  --fs-ink:#101828;
  --fs-body:#475467;
  --fs-muted:#98A2B3;
  --fs-line:#E4E9F2;
  --fs-footer:#0B1B33;
  --fs-radius:16px;
  --fs-radius-sm:12px;
  --fs-radius-pill:999px;
  --fs-shadow:0 1px 2px rgba(16,24,40,.04),0 12px 32px -16px rgba(21,84,209,.16);
  --fs-shadow-hover:0 2px 6px rgba(16,24,40,.06),0 20px 44px -18px rgba(21,84,209,.30);
  --fs-font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--fs-font);
  font-size:16px;
  line-height:1.8;
  color:var(--fs-body);
  background:var(--fs-bg);
  -webkit-font-smoothing:antialiased;
}
body.fs-lock{overflow:hidden;}
h1,h2,h3,h4{margin:0;color:var(--fs-ink);font-family:var(--fs-font);line-height:1.35;}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
a{color:var(--fs-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--fs-primary-dark);}
img{max-width:100%;display:block;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--fs-primary);outline-offset:2px;border-radius:6px;}
.fs-num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
.fs-skip{
  position:absolute;left:-9999px;top:0;background:var(--fs-primary);color:#fff;
  padding:10px 16px;border-radius:0 0 10px 0;z-index:300;
}
.fs-skip:focus{left:0;color:#fff;}
.fs-container{
  width:100%;max-width:1200px;margin:0 auto;padding:0 20px;
}
@media (min-width:1440px){
  .fs-container{max-width:1280px;padding:0 32px;}
}

/* ---------- Header / Nav ---------- */
.fs-header{
  position:sticky;top:0;z-index:100;background:#fff;
  border-bottom:1px solid var(--fs-line);
  transition:box-shadow .2s ease;
}
.fs-header.is-scrolled{box-shadow:0 8px 24px -14px rgba(16,24,40,.28);}
.fs-nav-wrap{
  display:flex;align-items:center;gap:24px;min-height:64px;
}
.fs-logo{
  display:flex;align-items:center;gap:10px;flex:0 0 auto;
  color:var(--fs-ink);font-weight:700;font-size:17px;letter-spacing:.4px;
}
.fs-logo:hover{color:var(--fs-ink);}
.fs-logo-mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 auto;
  background:linear-gradient(135deg,var(--fs-primary) 0%,#2C6BEA 100%);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;
}
.fs-logo-text{white-space:nowrap;}
.fs-nav{
  display:flex;align-items:center;gap:4px;flex:1 1 auto;justify-content:center;
}
.fs-nav-link{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:10px 14px;border-radius:var(--fs-radius-pill);
  color:var(--fs-body);font-size:15px;font-weight:500;line-height:1;
  white-space:nowrap;transition:color .2s ease,background .2s ease;
}
.fs-nav-link:hover{color:var(--fs-primary);background:var(--fs-primary-soft);}
.fs-nav-link.is-active{color:var(--fs-primary);background:var(--fs-primary-soft);font-weight:600;}
.fs-nav-link.is-active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  bottom:-1px;width:22px;height:2px;border-radius:2px;background:var(--fs-primary);
}
.fs-mini{
  display:inline-block;padding:1px 6px;border-radius:var(--fs-radius-pill);
  font-size:10px;line-height:16px;font-weight:600;letter-spacing:.2px;
}
.fs-mini-hot{background:var(--fs-orange-soft);color:#D2551A;}
.fs-mini-new{background:var(--fs-teal-soft);color:#0B7C70;}
.fs-nav-right{display:flex;align-items:center;gap:14px;flex:0 0 auto;}
.fs-status{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13px;color:var(--fs-body);white-space:nowrap;
}
.fs-status i{
  width:8px;height:8px;border-radius:50%;background:var(--fs-teal);
  box-shadow:0 0 0 4px rgba(18,165,148,.16);
}
.fs-burger{
  display:none;width:44px;height:44px;border:1px solid var(--fs-line);
  border-radius:12px;background:#fff;color:var(--fs-ink);font-size:18px;
  align-items:center;justify-content:center;cursor:pointer;
}
.fs-burger:hover{border-color:var(--fs-primary);color:var(--fs-primary);}

/* Buttons */
.fs-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--fs-radius-pill);
  font-size:15px;font-weight:600;line-height:1.2;cursor:pointer;
  border:1px solid transparent;transition:all .2s ease-out;
  min-height:44px;text-align:center;
}
.fs-btn-primary{background:var(--fs-primary);color:#fff;box-shadow:0 10px 22px -12px rgba(21,84,209,.7);}
.fs-btn-primary:hover{background:var(--fs-primary-dark);color:#fff;transform:translateY(-1px);}
.fs-btn-ghost{background:#fff;color:var(--fs-primary);border-color:var(--fs-primary);}
.fs-btn-ghost:hover{background:var(--fs-primary-soft);color:var(--fs-primary-dark);}
.fs-btn-soft{background:var(--fs-primary-soft);color:var(--fs-primary);}
.fs-btn-soft:hover{background:#D8E5FB;color:var(--fs-primary-dark);}
.fs-btn-sm{padding:9px 18px;font-size:14px;min-height:40px;}
.fs-btn-lg{padding:14px 30px;font-size:16px;}
.fs-btn i{transition:transform .2s ease;}
.fs-btn:hover i.fa-arrow-right{transform:translateX(3px);}

/* Drawer */
.fs-drawer{
  position:fixed;inset:0;background:#fff;z-index:120;
  padding:20px;display:flex;flex-direction:column;
  opacity:0;visibility:hidden;transform:translateY(-10px);
  transition:opacity .22s ease,transform .22s ease,visibility .22s;
  overflow-y:auto;
}
.fs-drawer.is-open{opacity:1;visibility:visible;transform:none;}
.fs-drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.fs-drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--fs-line);
  background:#fff;color:var(--fs-ink);font-size:18px;cursor:pointer;
}
.fs-drawer-list{display:flex;flex-direction:column;gap:6px;}
.fs-drawer-list a{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 14px;border-radius:14px;font-size:18px;font-weight:600;
  color:var(--fs-ink);border:1px solid transparent;
}
.fs-drawer-list a.is-active{background:var(--fs-primary-soft);color:var(--fs-primary);}
.fs-drawer-list a:hover{background:var(--fs-bg-alt);}
.fs-drawer-foot{margin-top:auto;padding-top:24px;}
.fs-drawer-foot .fs-btn{width:100%;}

/* ---------- Breadcrumb ---------- */
.fs-crumb{
  background:#fff;border-bottom:1px solid var(--fs-line);
}
.fs-crumb-inner{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:14px 0;font-size:14px;color:var(--fs-muted);
}
.fs-crumb a{color:var(--fs-body);}
.fs-crumb a:hover{color:var(--fs-primary);}
.fs-crumb .sep{color:var(--fs-muted);}
.fs-crumb .current{color:var(--fs-ink);font-weight:600;}

/* ---------- Hero ---------- */
.fs-hero{
  background:linear-gradient(180deg,#FFFFFF 0%,#F7FAFF 100%);
  border-bottom:1px solid var(--fs-line);
  padding:56px 0 64px;
  position:relative;overflow:hidden;
}
.fs-hero::before{
  content:"";position:absolute;right:-120px;top:-140px;width:420px;height:420px;
  border-radius:50%;background:rgba(21,84,209,.05);
}
.fs-hero-grid{position:relative;z-index:1;}
.fs-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--fs-radius-pill);
  background:var(--fs-orange-soft);color:#C94E12;
  font-size:13px;font-weight:600;margin-bottom:18px;
}
.fs-hero h1{
  font-size:clamp(30px,4vw,44px);font-weight:700;letter-spacing:.5px;
  margin-bottom:18px;position:relative;padding-left:18px;
}
.fs-hero h1::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:4px;
  border-radius:4px;background:var(--fs-primary);
}
.fs-hero-sub{
  font-size:17px;color:var(--fs-body);max-width:560px;margin-bottom:26px;
}
.fs-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:28px;}
.fs-hero-tags{display:flex;flex-wrap:wrap;gap:10px;}
.fs-chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;border-radius:var(--fs-radius-pill);
  background:#fff;border:1px solid var(--fs-line);
  font-size:13px;color:var(--fs-body);
}
.fs-chip b{color:var(--fs-primary);font-weight:700;}
.fs-hero-media{position:relative;padding-bottom:14px;}
.fs-hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:20px;border:1px solid var(--fs-line);box-shadow:var(--fs-shadow);
}
.fs-float-card{
  position:absolute;left:-8px;bottom:0;display:flex;align-items:center;gap:12px;
  background:#fff;border:1px solid var(--fs-line);border-radius:14px;
  padding:12px 16px;box-shadow:var(--fs-shadow);max-width:280px;
}
.fs-float-card .fs-pulse{
  width:10px;height:10px;border-radius:50%;background:var(--fs-orange);flex:0 0 auto;
  box-shadow:0 0 0 4px rgba(255,122,47,.18);
}
.fs-float-card strong{display:block;font-size:14px;color:var(--fs-ink);line-height:1.4;}
.fs-float-card span{font-size:12px;color:var(--fs-muted);}

/* ---------- Blocks ---------- */
.fs-block{padding:72px 0;}
.fs-block--alt{background:var(--fs-bg-alt);}
.fs-block--white{background:#fff;}
.fs-block-head{max-width:720px;margin-bottom:36px;}
.fs-block-head h2{
  font-size:clamp(24px,2.6vw,30px);font-weight:600;margin-bottom:12px;
  letter-spacing:.2px;
}
.fs-block-head p{color:var(--fs-body);font-size:16px;}
.fs-block-head--center{margin-left:auto;margin-right:auto;text-align:center;}

/* Filter row */
.fs-filter{
  display:flex;flex-wrap:wrap;gap:10px;margin-bottom:32px;
}
.fs-filter button{
  padding:9px 18px;border-radius:var(--fs-radius-pill);
  border:1px solid var(--fs-line);background:#fff;color:var(--fs-body);
  font-size:14px;font-weight:500;cursor:pointer;transition:all .2s ease;
  min-height:40px;
}
.fs-filter button:hover{border-color:var(--fs-primary);color:var(--fs-primary);}
.fs-filter button.is-on{background:var(--fs-primary);border-color:var(--fs-primary);color:#fff;}

/* Media card grid */
.fs-card{
  background:var(--fs-surface);border:1px solid var(--fs-line);
  border-radius:var(--fs-radius);box-shadow:var(--fs-shadow);
  overflow:hidden;height:100%;display:flex;flex-direction:column;
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.fs-card:hover{transform:translateY(-2px);box-shadow:var(--fs-shadow-hover);border-color:#D5E0F5;}
.fs-card-media{
  position:relative;display:block;aspect-ratio:16/9;overflow:hidden;background:var(--fs-bg-alt);
}
.fs-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.fs-card:hover .fs-card-media img{transform:scale(1.03);}
.fs-card-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,27,51,0) 55%,rgba(11,27,51,.32) 100%);
}
.fs-badge{
  position:absolute;left:12px;top:12px;z-index:2;
  display:inline-flex;align-items:center;gap:5px;
  padding:4px 11px;border-radius:var(--fs-radius-pill);
  font-size:12px;font-weight:600;line-height:18px;
}
.fs-badge-live{background:var(--fs-orange);color:#fff;}
.fs-badge-soon{background:#fff;color:var(--fs-primary);border:1px solid var(--fs-primary);}
.fs-badge-done{background:rgba(255,255,255,.92);color:var(--fs-body);}
.fs-badge-live i{width:6px;height:6px;border-radius:50%;background:#fff;display:inline-block;}
.fs-card-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1 1 auto;}
.fs-tag{
  display:inline-block;padding:3px 10px;border-radius:var(--fs-radius-pill);
  background:var(--fs-primary-soft);color:var(--fs-primary);
  font-size:12px;font-weight:600;margin-bottom:12px;
}
.fs-tag-teal{background:var(--fs-teal-soft);color:#0B7C70;}
.fs-card-title{
  font-size:19px;font-weight:600;line-height:1.5;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.fs-card-title a{color:var(--fs-ink);}
.fs-card-title a:hover{color:var(--fs-primary);}
.fs-card-desc{
  font-size:15px;color:var(--fs-body);line-height:1.75;margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.fs-card-meta{
  margin-top:auto;display:flex;align-items:center;gap:10px;
  font-size:13px;color:var(--fs-muted);border-top:1px solid var(--fs-line);padding-top:14px;
}
.fs-dot{width:3px;height:3px;border-radius:50%;background:var(--fs-muted);}
.fs-card-arrow{margin-left:auto;color:var(--fs-primary);font-size:14px;transition:transform .2s ease;}
.fs-card:hover .fs-card-arrow{transform:translateX(3px);}

.fs-grid-gap{margin-bottom:28px;}

/* Cross category */
.fs-cross{display:block;}
.fs-cross-item{
  display:flex;align-items:center;gap:16px;height:100%;
  background:#fff;border:1px solid var(--fs-line);border-radius:var(--fs-radius);
  padding:20px 22px;box-shadow:var(--fs-shadow);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.fs-cross-item:hover{transform:translateY(-2px);box-shadow:var(--fs-shadow-hover);border-color:#D5E0F5;}
.fs-cross-icon{
  width:46px;height:46px;border-radius:14px;flex:0 0 auto;
  background:var(--fs-primary-soft);color:var(--fs-primary);
  display:flex;align-items:center;justify-content:center;font-size:18px;
}
.fs-cross-item strong{display:block;font-size:16px;color:var(--fs-ink);font-weight:600;margin-bottom:4px;}
.fs-cross-item span{font-size:13px;color:var(--fs-muted);}
.fs-cross-item .fs-cross-go{margin-left:auto;color:var(--fs-orange);}
.fs-cross-item:hover .fs-cross-go{transform:translateX(3px);}

/* FAQ */
.fs-faq-item{
  background:#fff;border:1px solid var(--fs-line);border-radius:var(--fs-radius);
  margin-bottom:16px;box-shadow:0 1px 2px rgba(16,24,40,.03);
  overflow:hidden;transition:border-color .2s ease;
}
.fs-faq-item.is-open{border-color:#CFDDF7;}
.fs-faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 24px;background:transparent;border:0;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--fs-ink);text-align:left;min-height:44px;
}
.fs-faq-q i{color:var(--fs-primary);font-size:14px;transition:transform .2s ease-out;flex:0 0 auto;}
.fs-faq-item.is-open .fs-faq-q i{transform:rotate(45deg);}
.fs-faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease-out;}
.fs-faq-a p{padding:0 24px 22px;color:var(--fs-body);font-size:15.5px;line-height:1.85;margin:0;}

/* CTA band */
.fs-cta-band{
  background:#fff;border:1px solid var(--fs-line);border-radius:20px;
  padding:36px 40px;box-shadow:var(--fs-shadow);
  display:flex;flex-wrap:wrap;align-items:center;gap:24px;justify-content:space-between;
}
.fs-cta-band h2{font-size:24px;font-weight:600;margin-bottom:8px;}
.fs-cta-band p{margin:0;color:var(--fs-body);font-size:15px;}
.fs-cta-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;}
.fs-icon-btn{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--fs-line);
  background:#fff;color:var(--fs-primary);display:inline-flex;align-items:center;
  justify-content:center;cursor:pointer;transition:all .2s ease-out;
}
.fs-icon-btn:hover{background:var(--fs-primary-soft);border-color:var(--fs-primary);transform:translateY(-2px);}

/* ---------- Footer ---------- */
.fs-footer{background:var(--fs-footer);color:#C7D2E0;padding:64px 0 26px;margin-top:8px;}
.fs-footer h4{color:#fff;font-size:16px;font-weight:600;margin-bottom:18px;}
.fs-foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;color:#fff;font-size:17px;font-weight:700;}
.fs-foot-brand .fs-logo-mark{background:#1B4FC0;}
.fs-footer p{color:#9FB0C6;font-size:14.5px;line-height:1.85;}
.fs-foot-list li{margin-bottom:11px;}
.fs-foot-list a{color:#C7D2E0;font-size:14.5px;}
.fs-foot-list a:hover{color:#fff;text-decoration:underline;}
.fs-foot-contact li{font-size:14.5px;color:#C7D2E0;margin-bottom:11px;}
.fs-foot-contact b{color:#fff;font-weight:600;margin-right:8px;}
.fs-foot-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13.5px;color:#8FA2BC;
}
.fs-foot-bottom a{color:#8FA2BC;}
.fs-foot-bottom a:hover{color:#fff;}

/* ---------- Responsive ---------- */
@media (max-width:1023px){
  .fs-nav{display:none;}
  .fs-burger{display:inline-flex;}
  .fs-nav-right .fs-status{display:none;}
  .fs-block{padding:56px 0;}
  .fs-hero{padding:44px 0 52px;}
}
@media (max-width:767px){
  .fs-container{padding:0 16px;}
  .fs-logo-text{font-size:16px;}
  .fs-hero h1{font-size:28px;padding-left:14px;}
  .fs-hero-sub{font-size:16px;}
  .fs-hero-actions .fs-btn{width:100%;}
  .fs-hero-media{margin-top:32px;}
  .fs-float-card{left:0;right:0;max-width:none;}
  .fs-block{padding:48px 0;}
  .fs-card-body{padding:18px 18px 20px;}
  .fs-cta-band{padding:26px 20px;}
  .fs-cta-actions{width:100%;}
  .fs-cta-actions .fs-btn{width:100%;}
  .fs-faq-q{font-size:16px;padding:18px 18px;}
  .fs-faq-a p{padding:0 18px 18px;}
}
@media (max-width:519px){
  .fs-hero h1{font-size:25px;}
  .fs-block-head h2{font-size:22px;}
  .fs-filter button{font-size:13px;padding:8px 14px;}
}

/* roulang page: category2 */
:root{
  --fs-primary:#1554D1;
  --fs-primary-dark:#0B3AA8;
  --fs-primary-light:#E8EFFC;
  --fs-accent:#FF7A2F;
  --fs-accent-light:#FFF1E7;
  --fs-teal:#12A594;
  --fs-teal-light:#E4F7F4;
  --fs-bg:#F7F9FC;
  --fs-alt:#F2F6FD;
  --fs-surface:#FFFFFF;
  --fs-ink:#0B1B33;
  --fs-text:#101828;
  --fs-body:#475467;
  --fs-muted:#98A2B3;
  --fs-border:#E4E9F2;
  --fs-radius:16px;
  --fs-radius-sm:12px;
  --fs-shadow:0 1px 2px rgba(16,24,40,.04),0 12px 32px -16px rgba(21,84,209,.16);
  --fs-shadow-hover:0 2px 4px rgba(16,24,40,.06),0 22px 44px -20px rgba(21,84,209,.30);
  --fs-gap-xs:8px;
  --fs-gap-sm:12px;
  --fs-gap:20px;
  --fs-gap-lg:32px;
  --fs-section:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--fs-body);
  background:var(--fs-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{
  margin:0 0 12px;
  color:var(--fs-text);
  font-family:inherit;
  font-weight:600;
  line-height:1.35;
  letter-spacing:.3px;
}
h1{font-size:40px;font-weight:700;letter-spacing:.5px;line-height:1.25}
h2{font-size:28px;font-weight:600}
h3{font-size:19px;font-weight:600}
h4{font-size:16px;font-weight:600;color:#fff}
p{margin:0 0 16px}
p:last-child{margin-bottom:0}
ul,ol{margin:0;padding:0;list-style:none}
a{color:var(--fs-primary);text-decoration:none;transition:color .2s ease-out}
a:hover{color:var(--fs-primary-dark)}
img{max-width:100%;height:auto;display:block}
button{font-family:inherit;cursor:pointer}
strong,b{color:var(--fs-text);font-weight:600}
:focus-visible{outline:2px solid var(--fs-primary);outline-offset:2px;border-radius:6px}

/* ===== 容器 ===== */
.fs-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media screen and (min-width:1440px){
  .fs-container{max-width:1280px;padding:0 32px}
}

/* ===== 按钮 ===== */
.fs-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:12px 24px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;background:transparent;cursor:pointer;
  transition:background-color .2s ease-out,color .2s ease-out,box-shadow .2s ease-out,transform .2s ease-out,border-color .2s ease-out;
  white-space:nowrap;
}
.fs-btn i{font-size:14px}
.fs-btn-primary{background:var(--fs-primary);color:#fff;box-shadow:0 10px 24px -14px rgba(21,84,209,.85)}
.fs-btn-primary:hover{background:var(--fs-primary-dark);color:#fff;transform:translateY(-2px);box-shadow:0 16px 30px -16px rgba(11,58,168,.9)}
.fs-btn-primary:active{transform:translateY(0)}
.fs-btn-ghost{background:#fff;color:var(--fs-primary);border-color:var(--fs-primary)}
.fs-btn-ghost:hover{background:var(--fs-primary-light);color:var(--fs-primary-dark);border-color:var(--fs-primary-dark);transform:translateY(-2px)}
.fs-btn-accent{background:var(--fs-accent);color:#fff}
.fs-btn-accent:hover{background:#EE6415;color:#fff;transform:translateY(-2px)}
.fs-btn-sm{min-height:40px;padding:9px 18px;font-size:14px}
.fs-btn-block{width:100%}
.fs-btn-text{
  display:inline-flex;align-items:center;gap:6px;background:none;border:none;padding:0;
  color:var(--fs-primary);font-size:14px;font-weight:600;
}
.fs-btn-text i{transition:transform .2s ease-out}
.fs-btn-text:hover i{transform:translateX(3px)}

/* ===== 徽章 / 标签 ===== */
.fs-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1.6;
  background:var(--fs-primary-light);color:var(--fs-primary);
  border:1px solid rgba(21,84,209,.16);
}
.fs-badge-accent{background:var(--fs-accent-light);color:#C7530E;border-color:rgba(255,122,47,.28)}
.fs-badge-teal{background:var(--fs-teal-light);color:#0B7A6D;border-color:rgba(18,165,148,.26)}
.fs-mini{
  display:inline-block;margin-left:6px;padding:1px 7px;border-radius:999px;
  font-size:11px;font-weight:700;line-height:1.6;vertical-align:middle;
}
.fs-mini-hot{background:var(--fs-accent);color:#fff}
.fs-mini-new{background:var(--fs-teal);color:#fff}

/* ===== 顶部导航 ===== */
.fs-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(150%) blur(6px);
  border-bottom:1px solid var(--fs-border);
  transition:box-shadow .2s ease-out;
}
.fs-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(16,24,40,.45)}
.fs-header-inner{display:flex;align-items:center;gap:24px;min-height:64px}
.fs-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.fs-logo-mark{
  width:38px;height:38px;border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--fs-primary),#2D74F0);
  color:#fff;font-weight:700;font-size:17px;letter-spacing:.5px;
  box-shadow:0 8px 18px -10px rgba(21,84,209,.9);
}
.fs-brand-text{font-size:18px;font-weight:700;color:var(--fs-text);letter-spacing:.4px;white-space:nowrap}
.fs-nav{display:flex;align-items:center;gap:4px;flex:1 1 auto;justify-content:center}
.fs-nav-link{
  position:relative;display:inline-flex;align-items:center;
  min-height:44px;padding:0 14px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--fs-body);white-space:nowrap;
  transition:color .2s ease-out,background-color .2s ease-out;
}
.fs-nav-link:hover{color:var(--fs-primary);background:var(--fs-primary-light)}
.fs-nav-link.is-active{color:var(--fs-primary);font-weight:600;background:var(--fs-primary-light)}
.fs-header-side{display:flex;align-items:center;gap:14px;flex:0 0 auto;margin-left:auto}
.fs-live-chip{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;color:var(--fs-body);font-variant-numeric:tabular-nums;
  padding:6px 12px;border-radius:999px;background:var(--fs-alt);border:1px solid var(--fs-border);
}
.fs-dot{width:7px;height:7px;border-radius:50%;background:var(--fs-teal);box-shadow:0 0 0 4px rgba(18,165,148,.16)}
.fs-nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--fs-border);border-radius:12px;
  background:#fff;padding:0;flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.fs-nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--fs-text);transition:transform .2s ease-out,opacity .2s ease-out}
.fs-drawer{
  position:fixed;inset:64px 0 0 0;z-index:55;background:#fff;
  padding:24px 20px 32px;transform:translateX(100%);
  transition:transform .24s ease-out;overflow-y:auto;
  display:flex;flex-direction:column;gap:6px;
}
.fs-drawer.is-open{transform:translateX(0)}
.fs-drawer .fs-nav-link{
  font-size:18px;font-weight:600;color:var(--fs-text);padding:14px 8px;border-radius:12px;
  border-bottom:1px solid var(--fs-border);justify-content:flex-start;
}
.fs-drawer-cta{margin-top:auto;padding-top:24px;display:flex;flex-direction:column;gap:12px}

/* ===== 面包屑 ===== */
.fs-crumb{padding:20px 0 4px;font-size:14px;color:var(--fs-muted)}
.fs-crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.fs-crumb li{display:inline-flex;align-items:center;gap:8px}
.fs-crumb li+li::before{content:"›";color:var(--fs-muted)}
.fs-crumb a{color:var(--fs-body)}
.fs-crumb a:hover{color:var(--fs-primary)}
.fs-crumb .is-current{color:var(--fs-text);font-weight:600}

/* ===== Hero ===== */
.fs-hero{position:relative;padding:40px 0 0;overflow:hidden}
.fs-hero::after{
  content:"";position:absolute;inset:auto -10% -60% -10%;height:420px;
  background:
    repeating-linear-gradient(135deg,rgba(21,84,209,.04) 0 2px,transparent 2px 14px);
  pointer-events:none;
}
.fs-hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1fr;gap:40px;align-items:center;padding-bottom:24px}
.fs-hero h1{max-width:16em}
.fs-hero-lead{font-size:17px;color:var(--fs-body);max-width:34em;margin-bottom:26px}
.fs-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px}
.fs-hero-stats{display:flex;flex-wrap:wrap;gap:10px}
.fs-chip{
  display:inline-flex;align-items:center;gap:8px;padding:8px 14px;border-radius:999px;
  background:#fff;border:1px solid var(--fs-border);font-size:13px;color:var(--fs-body);
  font-variant-numeric:tabular-nums;
}
.fs-chip i{color:var(--fs-primary);font-size:12px}
.fs-hero-media{position:relative}
.fs-hero-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:24px;
  border:1px solid var(--fs-border);box-shadow:var(--fs-shadow);
}
.fs-float-card{
  position:absolute;left:-8px;bottom:22px;
  background:#fff;border:1px solid var(--fs-border);border-radius:16px;
  padding:14px 18px;box-shadow:var(--fs-shadow);min-width:210px;
}
.fs-float-card .fs-float-title{font-size:15px;font-weight:600;color:var(--fs-text);display:block;margin-bottom:6px}
.fs-float-card .fs-float-meta{display:flex;align-items:center;justify-content:space-between;gap:12px}
.fs-float-card .fs-float-time{font-size:13px;color:var(--fs-muted);font-variant-numeric:tabular-nums}

/* ===== 实时状态条 ===== */
.fs-livebar{background:#fff;border-top:1px solid var(--fs-border);border-bottom:1px solid var(--fs-border);margin-top:24px}
.fs-livebar-inner{display:flex;align-items:center;gap:20px;padding:14px 0;overflow-x:auto;scrollbar-width:none}
.fs-livebar-inner::-webkit-scrollbar{display:none}
.fs-livebar-label{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--fs-teal);white-space:nowrap}
.fs-livebar-item{
  display:inline-flex;align-items:center;gap:10px;white-space:nowrap;
  font-size:13px;color:var(--fs-body);font-variant-numeric:tabular-nums;
  padding:6px 14px;border-radius:999px;background:var(--fs-alt);border:1px solid var(--fs-border);
}
.fs-livebar-item b{color:var(--fs-text)}
.fs-livebar-item .fs-score{color:var(--fs-primary);font-weight:700}

/* ===== 板块通用 ===== */
.fs-section{padding:var(--fs-section) 0}
.fs-section-alt{background:var(--fs-alt)}
.fs-section-head{max-width:760px;margin-bottom:40px}
.fs-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--fs-primary);
  letter-spacing:1px;text-transform:uppercase;margin-bottom:12px;
}
.fs-eyebrow::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--fs-primary)}
.fs-section-head p{font-size:16px;color:var(--fs-body);margin:0}

/* ===== 交替图文列表 ===== */
.fs-alt-list{display:flex;flex-direction:column;gap:28px}
.fs-alt-row{
  display:grid;grid-template-columns:1fr;gap:24px;align-items:center;
  background:#fff;border:1px solid var(--fs-border);border-radius:var(--fs-radius);
  padding:24px;box-shadow:var(--fs-shadow);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.fs-alt-row:hover{transform:translateY(-2px);box-shadow:var(--fs-shadow-hover);border-color:rgba(21,84,209,.24)}
.fs-alt-media img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--fs-radius-sm)}
.fs-alt-body{position:relative}
.fs-alt-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:12px;margin-bottom:14px;
  background:var(--fs-primary-light);color:var(--fs-primary);
  font-size:15px;font-weight:700;font-variant-numeric:tabular-nums;
}
.fs-alt-body h3{margin-bottom:10px}
.fs-alt-body p{margin-bottom:16px}
.fs-tag-list{display:flex;flex-wrap:wrap;gap:8px}
.fs-tag{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;
  font-size:12px;font-weight:500;color:var(--fs-body);
  background:var(--fs-alt);border:1px solid var(--fs-border);
}
.fs-tag-teal{background:var(--fs-teal-light);color:#0B7A6D;border-color:rgba(18,165,148,.24)}
.fs-tag-accent{background:var(--fs-accent-light);color:#C7530E;border-color:rgba(255,122,47,.24)}

/* ===== 指标卡组 ===== */
.fs-metrics{display:grid;grid-template-columns:1fr;gap:20px}
.fs-metric{
  background:#fff;border:1px solid var(--fs-border);border-radius:var(--fs-radius);
  padding:26px 24px;box-shadow:var(--fs-shadow);
  transition:transform .2s ease-out,box-shadow .2s ease-out;
}
.fs-metric:hover{transform:translateY(-2px);box-shadow:var(--fs-shadow-hover)}
.fs-metric-num{
  font-size:34px;font-weight:700;color:var(--fs-primary);line-height:1.15;
  font-variant-numeric:tabular-nums;letter-spacing:.5px;
  font-family:Inter,system-ui,-apple-system,"Segoe UI",sans-serif;
}
.fs-metric-num small{font-size:15px;font-weight:600;margin-left:4px;color:var(--fs-primary)}
.fs-metric-label{margin-top:8px;font-size:15px;font-weight:600;color:var(--fs-text)}
.fs-metric-desc{margin-top:6px;font-size:14px;color:var(--fs-muted);line-height:1.7}

/* ===== 常见疑问 ===== */
.fs-faq{display:flex;flex-direction:column;gap:14px;max-width:900px}
.fs-faq-item{
  background:#fff;border:1px solid var(--fs-border);border-radius:var(--fs-radius);
  padding:0 22px;box-shadow:var(--fs-shadow);overflow:hidden;
}
.fs-faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 0;font-size:17px;font-weight:600;color:var(--fs-text);
}
.fs-faq-item summary::-webkit-details-marker{display:none}
.fs-faq-icon{
  flex:0 0 auto;width:30px;height:30px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--fs-primary-light);color:var(--fs-primary);font-size:14px;
  transition:transform .2s ease-out,background-color .2s ease-out;
}
.fs-faq-item[open] .fs-faq-icon{transform:rotate(45deg);background:var(--fs-primary);color:#fff}
.fs-faq-answer{padding:0 0 22px;border-top:1px solid var(--fs-border);padding-top:18px;color:var(--fs-body)}

/* ===== CTA 带 ===== */
.fs-cta{padding:0 0 var(--fs-section)}
.fs-cta-box{
  position:relative;overflow:hidden;
  background:#fff;border:1px solid rgba(21,84,209,.22);border-radius:24px;
  padding:36px;box-shadow:var(--fs-shadow);
  display:flex;flex-direction:column;gap:24px;align-items:flex-start;
}
.fs-cta-box::before{
  content:"";position:absolute;right:-80px;top:-80px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(21,84,209,.10),transparent 70%);
}
.fs-cta-box h2{margin-bottom:8px;position:relative}
.fs-cta-box p{max-width:44em;position:relative}
.fs-cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:14px;position:relative}
.fs-icon-btn{
  width:44px;height:44px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--fs-border);color:var(--fs-body);
  transition:transform .2s ease-out,background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.fs-icon-btn:hover{background:var(--fs-primary-light);color:var(--fs-primary);border-color:rgba(21,84,209,.3);transform:translateY(-2px)}

/* ===== 页脚 ===== */
.fs-footer{background:var(--fs-ink);color:#C7D2E0;padding:64px 0 28px;margin-top:0}
.fs-footer h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.5px}
.fs-foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;font-size:18px;font-weight:700;color:#fff}
.fs-foot-brand .fs-logo-mark{background:linear-gradient(135deg,#2D74F0,#1554D1)}
.fs-footer p{font-size:14px;color:#9FB0C9;line-height:1.8}
.fs-foot-list li{margin-bottom:10px}
.fs-foot-list a{font-size:14px;color:#C7D2E0}
.fs-foot-list a:hover{color:#fff;text-decoration:underline}
.fs-foot-contact li{font-size:14px;color:#C7D2E0;margin-bottom:10px;line-height:1.7}
.fs-foot-contact b{color:#fff;font-weight:600;margin-right:8px}
.fs-foot-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:#8FA2BD;
}
.fs-foot-bottom a{color:#C7D2E0}
.fs-foot-bottom a:hover{color:#fff;text-decoration:underline}

/* ===== 响应式 ===== */
@media screen and (max-width:1023px){
  :root{--fs-section:72px}
  h1{font-size:34px}
  h2{font-size:25px}
  .fs-nav{display:none}
  .fs-live-chip{display:none}
  .fs-nav-toggle{display:inline-flex}
  .fs-header-side{gap:10px}
}
@media screen and (min-width:768px){
  .fs-alt-row{grid-template-columns:minmax(0,1fr) minmax(0,1.08fr);gap:34px;padding:28px}
  .fs-alt-row:nth-child(even) .fs-alt-media{order:2}
  .fs-metrics{grid-template-columns:repeat(2,minmax(0,1fr))}
  .fs-cta-box{flex-direction:row;align-items:center;justify-content:space-between;padding:44px}
  .fs-cta-box .fs-cta-text{flex:1 1 auto}
  .fs-cta-actions{flex:0 0 auto}
}
@media screen and (min-width:1024px){
  .fs-hero{padding:56px 0 0}
  .fs-hero-grid{grid-template-columns:minmax(0,1.02fr) minmax(0,1fr);gap:56px;padding-bottom:40px}
  .fs-metrics{grid-template-columns:repeat(4,minmax(0,1fr))}
}
@media screen and (max-width:767px){
  :root{--fs-section:56px}
  .fs-container{padding:0 16px}
  h1{font-size:28px;line-height:1.3}
  h2{font-size:22px}
  h3{font-size:17px}
  .fs-hero-actions .fs-btn{width:100%}
  .fs-cta-actions .fs-btn{width:100%}
  .fs-brand-text{font-size:16px}
  .fs-float-card{left:8px;right:8px;bottom:12px;min-width:0}
  .fs-alt-row{padding:18px}
  .fs-faq-item{padding:0 16px}
  .fs-faq-item summary{font-size:16px}
  .fs-cta-box{padding:26px 20px;border-radius:18px}
  .fs-foot-bottom{flex-direction:column;align-items:flex-start}
}
@media screen and (max-width:520px){
  .fs-hero-stats{flex-direction:column;align-items:stretch}
  .fs-chip{justify-content:flex-start}
}

/* roulang page: category3 */
:root{
  --fs-primary:#1554D1;
  --fs-primary-dark:#0B3AA8;
  --fs-primary-soft:#E8EFFC;
  --fs-accent:#FF7A2F;
  --fs-accent-soft:#FFF1E7;
  --fs-teal:#12A594;
  --fs-teal-soft:#E6F7F4;
  --fs-bg:#F7F9FC;
  --fs-surface:#FFFFFF;
  --fs-alt:#F2F6FD;
  --fs-ink:#101828;
  --fs-body:#475467;
  --fs-muted:#98A2B3;
  --fs-line:#E4E9F2;
  --fs-foot:#0B1B33;
  --fs-r-lg:16px;
  --fs-r-md:12px;
  --fs-r-sm:10px;
  --fs-shadow:0 1px 2px rgba(16,24,40,.04),0 12px 32px -16px rgba(21,84,209,.16);
  --fs-shadow-hover:0 2px 6px rgba(16,24,40,.06),0 22px 44px -20px rgba(21,84,209,.30);
  --fs-font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  --fs-ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--fs-font);
  font-size:16px;
  line-height:1.8;
  color:var(--fs-body);
  background:var(--fs-bg);
  overflow-x:hidden;
}
body.fs-lock{overflow:hidden}
h1,h2,h3,h4,h5,h6,p,ul,ol,li,figure,blockquote{margin:0;padding:0}
ul,ol{list-style:none}
img{max-width:100%;height:auto;display:block}
a{color:var(--fs-primary);text-decoration:none;transition:color .2s var(--fs-ease)}
a:hover{color:var(--fs-primary-dark)}
button{font-family:inherit}
[hidden]{display:none!important}
:focus-visible{outline:2px solid var(--fs-primary);outline-offset:2px;border-radius:6px}
::selection{background:var(--fs-primary-soft);color:var(--fs-primary-dark)}

.fs-container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media screen and (min-width:1440px){
  .fs-container{max-width:1280px;padding:0 32px}
}

/* ===== 顶部实时状态条 ===== */
.fs-ticker{background:var(--fs-alt);border-bottom:1px solid var(--fs-line)}
.fs-ticker-inner{
  display:flex;align-items:center;gap:18px;
  min-height:42px;font-size:13px;color:var(--fs-body);
  font-variant-numeric:tabular-nums;
}
.fs-ticker-live{display:inline-flex;align-items:center;gap:8px;color:var(--fs-teal);font-weight:600;white-space:nowrap}
.fs-ticker-live .fs-dot{width:8px;height:8px;border-radius:50%;background:var(--fs-teal);display:inline-block}
.fs-ticker-text{color:#5B6472;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;flex:1 1 auto}
.fs-ticker-time{white-space:nowrap;color:var(--fs-muted)}
.fs-ticker-time b{color:var(--fs-accent);font-weight:700;font-variant-numeric:tabular-nums}

/* ===== 导航 ===== */
.fs-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(150%) blur(6px);
  border-bottom:1px solid var(--fs-line);
  transition:box-shadow .22s var(--fs-ease);
}
.fs-header.is-scrolled{box-shadow:0 8px 24px -16px rgba(16,24,40,.32)}
.fs-header-inner{display:flex;align-items:center;gap:20px;min-height:64px}
.fs-brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--fs-ink);font-weight:700}
.fs-brand:hover{color:var(--fs-ink)}
.fs-logo-mark{
  width:36px;height:36px;border-radius:11px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--fs-primary);color:#fff;font-size:17px;font-weight:700;
  box-shadow:0 8px 18px -10px rgba(21,84,209,.8);
}
.fs-brand-text{font-size:17px;letter-spacing:.4px;white-space:nowrap}
.fs-nav{display:flex;align-items:center;gap:2px;margin-left:auto}
.fs-nav-link{
  position:relative;display:inline-flex;align-items:center;gap:6px;
  padding:9px 14px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--fs-body);
  min-height:40px;transition:background .2s var(--fs-ease),color .2s var(--fs-ease);
}
.fs-nav-link:hover{color:var(--fs-primary);background:var(--fs-primary-soft)}
.fs-nav-link.is-active{color:var(--fs-primary-dark);font-weight:600;background:var(--fs-primary-soft)}
.fs-nav-link.is-active::after{
  content:"";position:absolute;left:50%;bottom:-1px;transform:translateX(-50%);
  width:22px;height:2px;border-radius:2px;background:var(--fs-primary);
}
.fs-mini{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:18px;height:18px;padding:0 5px;border-radius:999px;
  font-size:11px;font-weight:700;line-height:1;letter-spacing:0;
}
.fs-mini-hot{background:var(--fs-accent-soft);color:#C85A12}
.fs-mini-new{background:var(--fs-teal-soft);color:#0E8477}
.fs-header-actions{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.fs-live-chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 12px;border-radius:999px;
  background:var(--fs-teal-soft);color:#0E8477;
  font-size:13px;font-weight:600;white-space:nowrap;
}
.fs-live-chip i{font-size:8px}
.fs-countdown{font-size:13px;color:var(--fs-muted);white-space:nowrap;font-variant-numeric:tabular-nums}
.fs-countdown b{color:var(--fs-accent);font-weight:700}
.fs-burger{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--fs-line);background:#fff;color:var(--fs-ink);
  align-items:center;justify-content:center;font-size:17px;cursor:pointer;
}
.fs-burger:hover{border-color:var(--fs-primary);color:var(--fs-primary)}

.fs-drawer{
  position:fixed;left:0;right:0;top:0;bottom:0;z-index:90;
  background:#fff;padding:22px 20px 100px;
  display:flex;flex-direction:column;gap:4px;
  opacity:0;visibility:hidden;transform:translateY(-10px);
  transition:opacity .22s var(--fs-ease),transform .22s var(--fs-ease),visibility .22s;
  overflow-y:auto;
}
.fs-drawer.is-open{opacity:1;visibility:visible;transform:none}
.fs-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.fs-drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--fs-line);
  background:#fff;color:var(--fs-ink);font-size:18px;cursor:pointer;
}
.fs-drawer .fs-nav-link{
  font-size:18px;font-weight:600;color:var(--fs-ink);
  padding:14px 16px;border-radius:14px;justify-content:space-between;
}
.fs-drawer .fs-nav-link.is-active{background:var(--fs-primary-soft);color:var(--fs-primary-dark)}
.fs-drawer-foot{
  position:fixed;left:0;right:0;bottom:0;padding:16px 20px 22px;
  background:#fff;border-top:1px solid var(--fs-line);
}

/* ===== 按钮 ===== */
.fs-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 24px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;
  transition:background .2s var(--fs-ease),color .2s var(--fs-ease),transform .2s var(--fs-ease),box-shadow .2s var(--fs-ease),border-color .2s var(--fs-ease);
}
.fs-btn-primary{background:var(--fs-primary);color:#fff;box-shadow:0 10px 22px -14px rgba(21,84,209,.9)}
.fs-btn-primary:hover{background:var(--fs-primary-dark);color:#fff;transform:translateY(-1px)}
.fs-btn-primary:active{transform:translateY(0)}
.fs-btn-ghost{background:#fff;color:var(--fs-primary);border-color:var(--fs-primary)}
.fs-btn-ghost:hover{background:var(--fs-primary-soft);color:var(--fs-primary-dark)}
.fs-btn-sm{min-height:40px;padding:9px 18px;font-size:14px}
.fs-btn-wide{width:100%}
.fs-link-arrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--fs-primary);
}
.fs-link-arrow i{transition:transform .2s var(--fs-ease)}
.fs-link-arrow:hover i{transform:translateX(3px)}

/* ===== 标签 ===== */
.fs-tag{
  display:inline-flex;align-items:center;gap:5px;
  padding:4px 11px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1.6;white-space:nowrap;
}
.fs-tag-blue{background:var(--fs-primary-soft);color:var(--fs-primary-dark)}
.fs-tag-accent{background:var(--fs-accent-soft);color:#C85A12}
.fs-tag-teal{background:var(--fs-teal-soft);color:#0E8477}
.fs-tag-line{background:#fff;border:1px solid var(--fs-line);color:var(--fs-body)}

/* ===== 面包屑 ===== */
.fs-breadcrumb{background:#fff;border-bottom:1px solid var(--fs-line);padding:14px 0}
.fs-crumb-list{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:14px;color:var(--fs-muted)}
.fs-crumb-list a{color:var(--fs-body)}
.fs-crumb-list a:hover{color:var(--fs-primary)}
.fs-crumb-sep{color:#C4CDDA}
.fs-crumb-list [aria-current="page"]{color:var(--fs-ink);font-weight:600}

/* ===== Hero ===== */
.fs-hero{background:#fff;padding:52px 0 64px;position:relative;overflow:hidden}
.fs-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
  opacity:.05;pointer-events:none;
}
.fs-hero-inner{position:relative;z-index:1}
.fs-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:var(--fs-primary-soft);color:var(--fs-primary-dark);
  font-size:13px;font-weight:600;margin-bottom:18px;
}
.fs-hero h1{
  font-size:40px;line-height:1.32;font-weight:700;letter-spacing:.5px;
  color:var(--fs-ink);margin-bottom:18px;
}
.fs-hero h1 em{font-style:normal;color:var(--fs-primary)}
.fs-hero-sub{font-size:17px;line-height:1.85;color:var(--fs-body);max-width:560px}
.fs-hero-btns{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.fs-hero-stats{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.fs-stat-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 14px;border-radius:999px;
  border:1px solid var(--fs-line);background:#fff;
  font-size:13px;color:var(--fs-body);
  font-variant-numeric:tabular-nums;
}
.fs-stat-pill i{color:var(--fs-primary);font-size:12px}
.fs-hero-visual{position:relative;margin-top:8px}
.fs-hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:20px;border:1px solid var(--fs-line);
  box-shadow:0 24px 52px -28px rgba(16,24,40,.35);
}
.fs-float-card{
  position:absolute;left:-18px;bottom:-22px;width:min(300px,88%);
  background:#fff;border:1px solid var(--fs-line);border-radius:16px;
  padding:16px 18px;box-shadow:var(--fs-shadow-hover);
}
.fs-float-card strong{display:block;font-size:15px;color:var(--fs-ink);margin:8px 0 6px;line-height:1.5}
.fs-float-card .fs-link-arrow{font-size:13px}

/* ===== 通用板块 ===== */
.fs-section{padding:76px 0}
.fs-section-white{background:#fff}
.fs-section-alt{background:var(--fs-alt)}
.fs-sec-head{max-width:720px;margin-bottom:40px}
.fs-sec-kicker{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:1.2px;
  color:var(--fs-primary);margin-bottom:10px;text-transform:uppercase;
}
.fs-sec-head h2{
  font-size:28px;line-height:1.4;font-weight:600;color:var(--fs-ink);letter-spacing:.3px;
}
.fs-sec-head p{margin-top:12px;font-size:16px;color:var(--fs-body)}

/* ===== 时间轴 ===== */
.fs-timeline{position:relative;margin-top:8px}
.fs-timeline::before{
  content:"";position:absolute;left:23px;top:16px;bottom:16px;width:2px;
  background:linear-gradient(180deg,rgba(21,84,209,.55) 0%,rgba(21,84,209,.22) 55%,var(--fs-line) 100%);
  border-radius:2px;
}
.fs-tl-item{position:relative;padding-left:74px;padding-bottom:26px}
.fs-tl-item:last-child{padding-bottom:0}
.fs-tl-dot{
  position:absolute;left:0;top:4px;width:48px;height:48px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:#fff;border:2px solid var(--fs-primary);color:var(--fs-primary);
  font-size:15px;font-weight:700;font-variant-numeric:tabular-nums;
  box-shadow:0 8px 18px -12px rgba(21,84,209,.85);z-index:2;
}
.fs-tl-card{
  background:#fff;border:1px solid var(--fs-line);border-radius:var(--fs-r-lg);
  padding:24px 26px;box-shadow:var(--fs-shadow);
  transition:transform .2s var(--fs-ease),box-shadow .2s var(--fs-ease),border-color .2s var(--fs-ease);
}
.fs-tl-card:hover{transform:translateY(-2px);box-shadow:var(--fs-shadow-hover);border-color:#CFDDF8}
.fs-tl-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:10px}
.fs-tl-meta time{font-size:13px;color:var(--fs-muted);font-variant-numeric:tabular-nums}
.fs-tl-card h3{font-size:19px;font-weight:600;color:var(--fs-ink);line-height:1.5;margin-bottom:10px}
.fs-tl-card p{font-size:15.5px;color:var(--fs-body)}
.fs-tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}

/* ===== 节奏数据 ===== */
.fs-metrics{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.fs-metric{
  background:#fff;border:1px solid var(--fs-line);border-radius:var(--fs-r-lg);
  padding:26px 24px;box-shadow:var(--fs-shadow);
  transition:transform .2s var(--fs-ease),box-shadow .2s var(--fs-ease);
}
.fs-metric:hover{transform:translateY(-2px);box-shadow:var(--fs-shadow-hover)}
.fs-metric b{
  display:block;font-size:32px;line-height:1.2;font-weight:700;color:var(--fs-primary);
  font-variant-numeric:tabular-nums;letter-spacing:.5px;
}
.fs-metric span{display:block;margin-top:8px;font-size:14px;color:var(--fs-muted)}
.fs-metric strong{display:block;margin-top:14px;font-size:15px;font-weight:600;color:var(--fs-ink)}

/* ===== FAQ ===== */
.fs-faq-item{
  background:#fff;border:1px solid var(--fs-line);border-radius:var(--fs-r-lg);
  margin-bottom:16px;overflow:hidden;box-shadow:var(--fs-shadow);
  transition:border-color .2s var(--fs-ease);
}
.fs-faq-item:last-child{margin-bottom:0}
.fs-faq-item:hover{border-color:#CFDDF8}
.fs-faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 24px;background:none;border:0;cursor:pointer;
  font-size:17px;font-weight:600;color:var(--fs-ink);text-align:left;line-height:1.6;
}
.fs-faq-icon{position:relative;flex:0 0 20px;width:20px;height:20px;transition:transform .22s var(--fs-ease)}
.fs-faq-icon::before,
.fs-faq-icon::after{content:"";position:absolute;background:var(--fs-primary);border-radius:2px}
.fs-faq-icon::before{left:0;right:0;top:9px;height:2px}
.fs-faq-icon::after{top:0;bottom:0;left:9px;width:2px}
.fs-faq-q[aria-expanded="true"] .fs-faq-icon{transform:rotate(45deg)}
.fs-faq-a{padding:0 24px 24px;font-size:15.5px;color:var(--fs-body);max-width:840px}

/* ===== CTA 带 ===== */
.fs-cta{padding:0 0 84px}
.fs-cta-band{
  background:#fff;border:1px solid var(--fs-line);border-radius:20px;
  padding:34px 36px;box-shadow:var(--fs-shadow);
  display:flex;align-items:center;justify-content:space-between;gap:28px;flex-wrap:wrap;
  position:relative;overflow:hidden;
}
.fs-cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
  background:var(--fs-primary-soft);opacity:.55;pointer-events:none;
}
.fs-cta-text{position:relative;z-index:1;max-width:620px}
.fs-cta-text h2{font-size:24px;font-weight:600;color:var(--fs-ink);line-height:1.45}
.fs-cta-text p{margin-top:10px;font-size:15.5px;color:var(--fs-body)}
.fs-cta-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:12px}

/* ===== 页脚 ===== */
.fs-footer{background:var(--fs-foot);color:#C7D2E0;padding:64px 0 0;margin-top:0}
.fs-footer h4{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.4px}
.fs-foot-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:14px}
.fs-foot-brand .fs-logo-mark{background:#fff;color:var(--fs-foot);box-shadow:none;width:34px;height:34px;font-size:16px}
.fs-footer p{font-size:14px;line-height:1.85;color:#9FB0C6;max-width:320px}
.fs-foot-list li{margin-bottom:10px}
.fs-foot-list a,.fs-foot-bottom a{color:#C7D2E0;font-size:14px}
.fs-foot-list a:hover,.fs-foot-bottom a:hover{color:#fff;text-decoration:underline}
.fs-foot-contact li{font-size:14px;color:#9FB0C6;margin-bottom:10px;display:flex;gap:10px;flex-wrap:wrap}
.fs-foot-contact b{color:#fff;font-weight:600;min-width:42px;display:inline-block}
.fs-foot-bottom{
  margin-top:52px;padding:22px 0;border-top:1px solid rgba(255,255,255,.10);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8A9AB2;
}

/* ===== 响应式 ===== */
@media screen and (max-width:1112px){
  .fs-live-chip{display:none}
}
@media screen and (max-width:1023px){
  .fs-nav{display:none}
  .fs-burger{display:inline-flex}
  .fs-hero h1{font-size:34px}
  .fs-section{padding:64px 0}
  .fs-metrics{grid-template-columns:repeat(3,1fr);gap:16px}
}
@media screen and (max-width:767px){
  .fs-ticker-inner{font-size:12px;gap:12px;min-height:40px}
  .fs-ticker-text{display:none}
  .fs-hero{padding:36px 0 48px}
  .fs-hero h1{font-size:28px;letter-spacing:.3px}
  .fs-hero-sub{font-size:16px}
  .fs-hero-btns .fs-btn{width:100%}
  .fs-hero-visual{margin-top:34px}
  .fs-float-card{position:static;width:100%;margin-top:14px;left:auto;bottom:auto}
  .fs-sec-head h2{font-size:23px}
  .fs-section{padding:52px 0}
  .fs-timeline::before{left:17px}
  .fs-tl-item{padding-left:54px;padding-bottom:20px}
  .fs-tl-dot{width:36px;height:36px;font-size:13px;top:6px}
  .fs-tl-card{padding:20px}
  .fs-metrics{grid-template-columns:1fr;gap:14px}
  .fs-faq-q{padding:18px;font-size:16px}
  .fs-faq-a{padding:0 18px 20px}
  .fs-cta{padding:0 0 60px}
  .fs-cta-band{padding:24px 20px}
  .fs-cta-text h2{font-size:20px}
  .fs-cta-actions{width:100%}
  .fs-cta-actions .fs-btn{width:100%}
  .fs-footer{padding-top:48px}
  .fs-foot-bottom{margin-top:36px;justify-content:flex-start}
}
@media screen and (max-width:520px){
  .fs-container{padding:0 16px}
  .fs-brand-text{font-size:16px}
  .fs-hero-stats .fs-stat-pill{width:100%;justify-content:flex-start}
}

/* roulang page: category4 */
:root{
  --fs-primary:#1554D1;
  --fs-primary-dark:#0B3AA8;
  --fs-primary-light:#E8EFFC;
  --fs-accent:#FF7A2F;
  --fs-accent-light:#FFF1E7;
  --fs-teal:#12A594;
  --fs-teal-light:#E4F6F3;
  --fs-bg:#F7F9FC;
  --fs-bg-alt:#F2F6FD;
  --fs-surface:#FFFFFF;
  --fs-text:#101828;
  --fs-text-2:#475467;
  --fs-text-3:#98A2B3;
  --fs-border:#E4E9F2;
  --fs-dark:#0B1B33;
  --fs-radius:16px;
  --fs-radius-sm:12px;
  --fs-radius-pill:999px;
  --fs-shadow:0 1px 2px rgba(16,24,40,.04),0 12px 32px -16px rgba(21,84,209,.16);
  --fs-shadow-hover:0 2px 4px rgba(16,24,40,.06),0 20px 40px -18px rgba(21,84,209,.28);
  --fs-gap:24px;
  --fs-section-space:88px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--fs-text-2);
  background:var(--fs-bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6{
  margin:0 0 16px;
  color:var(--fs-text);
  line-height:1.35;
  font-weight:600;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
}
h1{font-size:clamp(30px,4vw,44px);font-weight:700;letter-spacing:.5px;line-height:1.28;}
h2{font-size:clamp(22px,2.6vw,30px);}
h3{font-size:clamp(17px,1.6vw,20px);}
p{margin:0 0 18px;color:var(--fs-text-2);}
a{color:var(--fs-primary);text-decoration:none;transition:color .2s ease,opacity .2s ease;}
a:hover{color:var(--fs-primary-dark);}
img{max-width:100%;height:auto;display:block;}
ul,ol{margin:0 0 18px;padding-left:20px;}
li{margin-bottom:8px;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--fs-primary);outline-offset:2px;border-radius:6px;}
.fs-container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 20px;
}
.fs-num{font-variant-numeric:tabular-nums;}

/* ---------- 按钮 ---------- */
.fs-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:11px 24px;
  border-radius:var(--fs-radius-pill);
  font-size:15px;
  font-weight:600;
  line-height:1.4;
  border:1px solid transparent;
  cursor:pointer;
  text-align:center;
  transition:transform .2s ease-out,background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out,box-shadow .2s ease-out;
}
.fs-btn-primary{background:var(--fs-primary);color:#fff;box-shadow:0 8px 18px -12px rgba(21,84,209,.9);}
.fs-btn-primary:hover{background:var(--fs-primary-dark);color:#fff;transform:translateY(-2px);}
.fs-btn-ghost{background:#fff;color:var(--fs-primary);border-color:var(--fs-primary);}
.fs-btn-ghost:hover{background:var(--fs-primary-light);color:var(--fs-primary-dark);transform:translateY(-2px);}
.fs-btn-accent{background:var(--fs-accent);color:#fff;}
.fs-btn-accent:hover{background:#E96A22;color:#fff;transform:translateY(-2px);}
.fs-btn-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--fs-primary);
  background:none;border:0;padding:8px 0;min-height:44px;
}
.fs-btn-link .fs-arrow{transition:transform .2s ease-out;}
.fs-btn-link:hover .fs-arrow{transform:translateX(3px);}
.fs-btn-block{width:100%;}

/* ---------- 徽章 / 标签 ---------- */
.fs-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--fs-radius-pill);
  font-size:12px;font-weight:600;line-height:1.6;
  background:var(--fs-primary-light);color:var(--fs-primary-dark);
  border:1px solid rgba(21,84,209,.16);
}
.fs-badge-accent{background:var(--fs-accent-light);color:#B54A0C;border-color:rgba(255,122,47,.24);}
.fs-badge-teal{background:var(--fs-teal-light);color:#0B7A6D;border-color:rgba(18,165,148,.24);}
.fs-badge-plain{background:#fff;color:var(--fs-text-2);border-color:var(--fs-border);}
.fs-mini{
  display:inline-block;margin-left:5px;padding:0 6px;border-radius:var(--fs-radius-pill);
  font-size:11px;font-weight:600;line-height:16px;vertical-align:middle;
}
.fs-mini-hot{background:var(--fs-accent);color:#fff;}
.fs-mini-new{background:var(--fs-teal);color:#fff;}

/* ---------- 头部导航 ---------- */
.fs-header{
  position:sticky;top:0;z-index:60;
  background:#fff;
  border-bottom:1px solid var(--fs-border);
  transition:box-shadow .22s ease-out;
}
.fs-header.is-scrolled{box-shadow:0 8px 24px -18px rgba(16,24,40,.45);}
.fs-header-inner{
  display:flex;align-items:center;gap:24px;
  min-height:64px;
}
.fs-logo{
  display:flex;align-items:center;gap:10px;
  font-size:18px;font-weight:700;color:var(--fs-text);
  white-space:nowrap;
}
.fs-logo:hover{color:var(--fs-primary);}
.fs-logo-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(135deg,var(--fs-primary),#3B77E8);
  color:#fff;font-size:17px;font-weight:700;
  box-shadow:0 8px 16px -10px rgba(21,84,209,.9);
}
.fs-nav{display:flex;align-items:center;gap:4px;margin-left:12px;}
.fs-nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  padding:10px 14px;border-radius:10px;
  font-size:15px;font-weight:500;color:var(--fs-text-2);
  transition:color .2s ease,background-color .2s ease;
}
.fs-nav-link:hover{color:var(--fs-primary);background:var(--fs-primary-light);}
.fs-nav-link.is-active{color:var(--fs-primary);font-weight:600;background:var(--fs-primary-light);}
.fs-nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  border-radius:2px;background:var(--fs-primary);
}
.fs-head-right{display:flex;align-items:center;gap:14px;margin-left:auto;}
.fs-status{
  display:inline-flex;align-items:center;gap:7px;
  font-size:13px;color:var(--fs-text-2);white-space:nowrap;
  padding:6px 12px;border-radius:var(--fs-radius-pill);
  background:var(--fs-bg-alt);border:1px solid var(--fs-border);
}
.fs-dot{
  width:8px;height:8px;border-radius:50%;background:var(--fs-teal);
  box-shadow:0 0 0 3px rgba(18,165,148,.18);
}
.fs-burger{
  display:none;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--fs-border);background:#fff;cursor:pointer;
}
.fs-burger span{display:block;width:18px;height:2px;background:var(--fs-text);border-radius:2px;position:relative;}
.fs-burger span::before,.fs-burger span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--fs-text);border-radius:2px;
}
.fs-burger span::before{top:-6px;}
.fs-burger span::after{top:6px;}

/* ---------- 移动抽屉 ---------- */
.fs-drawer{
  position:fixed;inset:0;z-index:80;
  background:#fff;
  padding:20px 20px 104px;
  display:none;
  overflow-y:auto;
}
.fs-drawer.is-open{display:block;}
.fs-drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.fs-drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--fs-border);
  background:#fff;font-size:20px;line-height:1;color:var(--fs-text-2);cursor:pointer;
}
.fs-drawer-nav{display:flex;flex-direction:column;gap:6px;}
.fs-drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:16px 14px;border-radius:14px;
  font-size:19px;font-weight:600;color:var(--fs-text);
  border:1px solid var(--fs-border);
}
.fs-drawer-nav a.is-active{background:var(--fs-primary-light);color:var(--fs-primary);border-color:rgba(21,84,209,.2);}
.fs-drawer-foot{
  position:fixed;left:0;right:0;bottom:0;padding:14px 20px 18px;
  background:#fff;border-top:1px solid var(--fs-border);
}

/* ---------- 面包屑 ---------- */
.fs-crumb{
  padding:20px 0 4px;font-size:14px;color:var(--fs-text-3);
}
.fs-crumb ol{list-style:none;display:flex;flex-wrap:wrap;gap:8px;margin:0;padding:0;}
.fs-crumb li{display:flex;align-items:center;gap:8px;margin:0;}
.fs-crumb li::after{content:"›";color:var(--fs-text-3);}
.fs-crumb li:last-child::after{display:none;}
.fs-crumb a{color:var(--fs-text-3);}
.fs-crumb a:hover{color:var(--fs-primary);}
.fs-crumb [aria-current]{color:var(--fs-text);font-weight:600;}

/* ---------- 页面首屏 ---------- */
.fs-hero{
  padding:24px 0 56px;
}
.fs-hero-box{
  display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center;
  background:#fff;border:1px solid var(--fs-border);border-radius:var(--fs-radius);
  box-shadow:var(--fs-shadow);
  padding:44px;
  position:relative;overflow:hidden;
}
.fs-hero-box::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(680px 340px at 88% -12%,rgba(21,84,209,.09),transparent 70%);
  pointer-events:none;
}
.fs-hero-copy{position:relative;z-index:1;}
.fs-hero-tagline{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--fs-primary-dark);
  background:var(--fs-primary-light);border-radius:var(--fs-radius-pill);
  padding:6px 14px;margin-bottom:18px;
}
.fs-hero h1{margin-bottom:16px;}
.fs-hero-sub{font-size:17px;color:var(--fs-text-2);max-width:560px;margin-bottom:26px;}
.fs-hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.fs-hero-meta{
  display:flex;flex-wrap:wrap;gap:22px;padding-top:22px;border-top:1px dashed var(--fs-border);
}
.fs-hero-meta div{font-size:13px;color:var(--fs-text-3);}
.fs-hero-meta strong{
  display:block;font-size:22px;font-weight:700;color:var(--fs-text);
  font-variant-numeric:tabular-nums;line-height:1.4;
}
.fs-hero-visual{position:relative;z-index:1;}
.fs-hero-visual img{
  width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--fs-radius);border:1px solid var(--fs-border);
}
.fs-float-card{
  position:absolute;left:-8px;bottom:22px;
  display:flex;align-items:center;gap:12px;
  background:#fff;border:1px solid var(--fs-border);border-radius:14px;
  box-shadow:var(--fs-shadow);padding:12px 16px;max-width:260px;
}
.fs-float-card b{display:block;font-size:14px;color:var(--fs-text);font-weight:600;line-height:1.5;}
.fs-float-card small{display:block;font-size:12px;color:var(--fs-text-3);}
.fs-float-arrow{
  display:inline-flex;align-items:center;justify-content:center;
  width:30px;height:30px;border-radius:50%;background:var(--fs-primary-light);
  color:var(--fs-primary);font-size:14px;flex:0 0 30px;
}

/* ---------- 通用板块 ---------- */
.fs-section{padding:var(--fs-section-space) 0;}
.fs-section-alt{background:var(--fs-bg-alt);}
.fs-section-head{max-width:720px;margin-bottom:40px;}
.fs-section-head .fs-eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:1px;
  color:var(--fs-primary);margin-bottom:10px;
}
.fs-section-head p{margin-bottom:0;}
.fs-h2-bar{position:relative;padding-left:16px;}
.fs-h2-bar::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:3px;
  background:var(--fs-primary);
}

/* ---------- 两栏对照卡 ---------- */
.fs-plan-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;}
.fs-plan{
  background:#fff;border:1px solid var(--fs-border);border-radius:var(--fs-radius);
  box-shadow:var(--fs-shadow);padding:28px;position:relative;
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.fs-plan:hover{transform:translateY(-2px);box-shadow:var(--fs-shadow-hover);}
.fs-plan.is-featured{border-color:rgba(21,84,209,.4);}
.fs-plan.is-featured::before{
  content:"多数观赛场景更合适";position:absolute;top:-13px;left:26px;
  background:var(--fs-primary);color:#fff;font-size:12px;font-weight:600;
  padding:3px 12px;border-radius:var(--fs-radius-pill);
}
.fs-plan-head{display:flex;align-items:flex-start;justify-content:space-between;gap:16px;margin-bottom:6px;}
.fs-plan h3{margin-bottom:6px;font-size:20px;}
.fs-plan-desc{font-size:14px;color:var(--fs-text-3);margin-bottom:18px;}
.fs-plan-price{
  display:flex;align-items:baseline;gap:6px;
  font-variant-numeric:tabular-nums;color:var(--fs-text);margin-bottom:18px;
}
.fs-plan-price b{font-size:30px;font-weight:700;line-height:1;}
.fs-plan-price span{font-size:14px;color:var(--fs-text-3);}
.fs-plan-list{list-style:none;padding:0;margin:0 0 24px;}
.fs-plan-list li{
  display:flex;gap:10px;align-items:flex-start;
  padding:11px 0;border-bottom:1px dashed var(--fs-border);
  font-size:15px;color:var(--fs-text-2);margin:0;
}
.fs-plan-list li:last-child{border-bottom:0;}
.fs-tick{
  flex:0 0 20px;width:20px;height:20px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--fs-teal-light);color:#0B7A6D;font-size:12px;font-weight:700;margin-top:4px;
}
.fs-tick-muted{background:#EEF1F6;color:var(--fs-text-3);}

/* ---------- 对照表 ---------- */
.fs-table{
  background:#fff;border:1px solid var(--fs-border);border-radius:var(--fs-radius);
  box-shadow:var(--fs-shadow);overflow:hidden;
}
.fs-table-row{
  display:grid;grid-template-columns:1.3fr 1fr 1fr;
  border-top:1px solid var(--fs-border);
}
.fs-table-row:first-child{border-top:0;}
.fs-table-head{
  background:var(--fs-bg-alt);
  font-size:14px;font-weight:600;color:var(--fs-text);
}
.fs-table-cell{
  padding:18px 22px;font-size:15px;color:var(--fs-text-2);
  border-left:1px solid var(--fs-border);
}
.fs-table-row .fs-table-cell:first-child{border-left:0;color:var(--fs-text);font-weight:600;}
.fs-table-head .fs-table-cell{color:var(--fs-text);}
.fs-cell-strong{color:var(--fs-primary-dark);font-weight:600;}
.fs-cell-muted{color:var(--fs-text-3);}

/* ---------- 横向紧凑条目行 ---------- */
.fs-rowlist{display:flex;flex-direction:column;gap:14px;}
.fs-rowitem{
  display:grid;grid-template-columns:96px 1fr auto;gap:22px;align-items:center;
  background:#fff;border:1px solid var(--fs-border);border-radius:var(--fs-radius-sm);
  padding:16px 22px;
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.fs-rowitem:hover{transform:translateY(-2px);box-shadow:var(--fs-shadow-hover);border-color:rgba(21,84,209,.3);}
.fs-rowitem img{
  width:96px;aspect-ratio:16/10;object-fit:cover;border-radius:10px;border:1px solid var(--fs-border);
}
.fs-rowitem-body h3{font-size:17px;margin-bottom:6px;}
.fs-rowitem-body p{font-size:14px;margin-bottom:10px;color:var(--fs-text-2);}
.fs-rowitem-tags{display:flex;flex-wrap:wrap;gap:8px;}
.fs-rowitem-side{display:flex;align-items:center;gap:14px;}
.fs-row-num{
  font-size:13px;font-weight:700;color:var(--fs-primary);
  background:var(--fs-primary-light);border-radius:8px;padding:4px 10px;
  font-variant-numeric:tabular-nums;
}
.fs-circle-arrow{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:50%;
  border:1px solid var(--fs-border);background:#fff;color:var(--fs-primary);font-size:15px;
  transition:background-color .2s ease-out,border-color .2s ease-out,transform .2s ease-out;
}
.fs-rowitem:hover .fs-circle-arrow,
.fs-cross-link:hover .fs-circle-arrow{background:var(--fs-primary-light);border-color:rgba(21,84,209,.3);transform:translateX(3px);}

/* ---------- 交叉分类 ---------- */
.fs-cross{
  display:grid;grid-template-columns:repeat(3,1fr);gap:18px;
}
.fs-cross-link{
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  background:#fff;border:1px solid var(--fs-border);border-radius:var(--fs-radius-sm);
  padding:20px 22px;color:var(--fs-text);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.fs-cross-link:hover{transform:translateY(-2px);box-shadow:var(--fs-shadow-hover);border-color:rgba(21,84,209,.3);color:var(--fs-text);}
.fs-cross-link strong{display:block;font-size:16px;font-weight:600;color:var(--fs-text);}
.fs-cross-link small{display:block;font-size:13px;color:var(--fs-text-3);margin-top:4px;}

/* ---------- FAQ ---------- */
.fs-faq{display:flex;flex-direction:column;gap:14px;}
.fs-faq-item{
  background:#fff;border:1px solid var(--fs-border);border-radius:var(--fs-radius-sm);
  box-shadow:0 1px 2px rgba(16,24,40,.03);
  overflow:hidden;
}
.fs-faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--fs-text);line-height:1.6;
}
.fs-faq-icon{
  flex:0 0 28px;width:28px;height:28px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--fs-primary-light);color:var(--fs-primary);font-size:16px;font-weight:700;
  transition:transform .22s ease-out,background-color .22s ease-out;
}
.fs-faq-item.is-open .fs-faq-icon{transform:rotate(45deg);background:var(--fs-primary);color:#fff;}
.fs-faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease-out;}
.fs-faq-a-inner{padding:0 24px 22px;font-size:15px;color:var(--fs-text-2);line-height:1.85;}
.fs-faq-item.is-open .fs-faq-a{max-height:420px;}

/* ---------- 底部 CTA 大卡 ---------- */
.fs-cta-band{padding:0 0 var(--fs-section-space);}
.fs-cta-card{
  position:relative;overflow:hidden;
  border-radius:var(--fs-radius);
  border:1px solid rgba(21,84,209,.22);
  background:#fff;
  padding:48px;
  display:grid;grid-template-columns:1.4fr .6fr;gap:32px;align-items:center;
  box-shadow:var(--fs-shadow);
}
.fs-cta-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(21,84,209,.06),rgba(255,122,47,.05));
  pointer-events:none;
}
.fs-cta-copy{position:relative;z-index:1;}
.fs-cta-copy h2{margin-bottom:14px;}
.fs-cta-copy p{margin-bottom:24px;max-width:620px;}
.fs-cta-actions{display:flex;flex-wrap:wrap;gap:14px;}
.fs-cta-side{
  position:relative;z-index:1;
  display:flex;flex-direction:column;gap:14px;
  background:var(--fs-bg-alt);border:1px solid var(--fs-border);border-radius:var(--fs-radius-sm);
  padding:22px;
}
.fs-cta-side div{font-size:13px;color:var(--fs-text-3);}
.fs-cta-side strong{
  display:block;font-size:20px;color:var(--fs-text);font-weight:700;
  font-variant-numeric:tabular-nums;line-height:1.4;
}

/* ---------- 页脚 ---------- */
.fs-footer{
  background:var(--fs-dark);color:#C7D2E0;padding:64px 0 0;
  font-size:14px;
}
.fs-footer h4{color:#fff;font-size:15px;font-weight:600;margin-bottom:18px;}
.fs-footer p{color:#C7D2E0;font-size:14px;line-height:1.85;}
.fs-foot-brand{
  display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:16px;
}
.fs-foot-list,.fs-foot-contact{list-style:none;padding:0;margin:0;}
.fs-foot-list li,.fs-foot-contact li{margin-bottom:11px;}
.fs-foot-list a{color:#C7D2E0;}
.fs-foot-list a:hover{color:#fff;text-decoration:underline;}
.fs-foot-contact li{color:#C7D2E0;}
.fs-foot-contact b{color:#fff;font-weight:600;margin-right:8px;}
.fs-foot-bottom{
  margin-top:44px;padding:20px 0;
  border-top:1px solid rgba(199,210,224,.16);
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:#9FB0C6;
}
.fs-foot-bottom a{color:#C7D2E0;}
.fs-foot-bottom a:hover{color:#fff;}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1439px){
  .fs-container{max-width:1180px;}
}
@media screen and (max-width:1023px){
  :root{--fs-section-space:72px;}
  .fs-nav{display:none;}
  .fs-head-right .fs-status{display:none;}
  .fs-burger{display:inline-flex;}
  .fs-hero-box{grid-template-columns:1fr;gap:32px;padding:32px;}
  .fs-hero-visual{order:2;}
  .fs-hero-meta{gap:18px;}
  .fs-plan-grid{grid-template-columns:1fr;}
  .fs-cross{grid-template-columns:1fr;}
  .fs-cta-card{grid-template-columns:1fr;padding:36px;}
  .fs-table-row{grid-template-columns:1.1fr 1fr 1fr;}
  .fs-table-cell{padding:16px 16px;font-size:14px;}
}
@media screen and (max-width:767px){
  :root{--fs-section-space:56px;}
  body{font-size:15.5px;}
  .fs-container{padding:0 16px;}
  .fs-header-inner{min-height:60px;gap:14px;}
  .fs-logo{font-size:16px;}
  .fs-logo-mark{width:30px;height:30px;font-size:15px;}
  .fs-head-right .fs-btn{padding:9px 18px;font-size:14px;}
  .fs-hero{padding:12px 0 36px;}
  .fs-hero-box{padding:24px;border-radius:14px;}
  .fs-hero-sub{font-size:16px;}
  .fs-hero-actions{gap:10px;}
  .fs-hero-actions .fs-btn{width:100%;}
  .fs-hero-meta{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
  .fs-float-card{position:static;left:auto;bottom:auto;margin-top:14px;max-width:none;}
  .fs-rowitem{grid-template-columns:64px 1fr;gap:14px;padding:16px;}
  .fs-rowitem img{width:64px;border-radius:8px;}
  .fs-rowitem-side{grid-column:1 / -1;justify-content:space-between;}
  .fs-table{border-radius:14px;}
  .fs-table-head{display:none;}
  .fs-table-row{
    grid-template-columns:1fr;gap:0;
    border-top:1px solid var(--fs-border);padding:6px 0;
  }
  .fs-table-cell{
    border-left:0;padding:10px 18px;display:flex;gap:12px;align-items:baseline;
  }
  .fs-table-cell::before{
    content:attr(data-label);flex:0 0 78px;font-size:13px;font-weight:600;color:var(--fs-text-3);
  }
  .fs-table-row .fs-table-cell:first-child{color:var(--fs-text);font-weight:600;}
  .fs-cross-link{padding:18px;}
  .fs-cta-card{padding:26px;}
  .fs-cta-actions .fs-btn{width:100%;}
  .fs-footer{padding-top:48px;}
}
@media screen and (max-width:575px){
  .fs-plan{padding:22px;}
  .fs-faq-q{padding:18px;font-size:15px;}
  .fs-faq-a-inner{padding:0 18px 18px;}
}