/* roulang page: index */
:root{
  --fs-primary:#0F3B33;
  --fs-primary-700:#0A2B25;
  --fs-primary-400:#2E7A6A;
  --fs-accent:#E4582C;
  --fs-accent-soft:#FCEBE3;
  --fs-ink:#101E1B;
  --fs-muted:#6B7A75;
  --fs-bg:#F7F5F0;
  --fs-surface:#FFFFFF;
  --fs-line:#E4E0D7;
  --fs-gold:#C8A24A;
  --fs-radius-card:14px;
  --fs-radius-btn:10px;
  --fs-shadow-1:0 1px 2px rgba(16,30,27,.06);
  --fs-shadow-2:0 10px 24px rgba(16,30,27,.10);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--fs-ink);
  background:var(--fs-bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--fs-ink);}
p{margin:0 0 1.1em;}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--fs-primary-400);outline-offset:2px;border-radius:4px;}
.fs-num{font-family:"Barlow Condensed",Oswald,-apple-system,"PingFang SC",sans-serif;letter-spacing:.02em;text-transform:uppercase;font-variant-numeric:tabular-nums;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:16px;padding-right:16px;}
@media (min-width:768px){.container{padding-left:24px;padding-right:24px;}}
@media (min-width:1024px){.container{padding-left:32px;padding-right:32px;}}
@media (min-width:1440px){.container{max-width:1280px;}}

/* ============ Header ============ */
.fs-header{position:sticky;top:0;z-index:60;background:rgba(247,245,240,.94);backdrop-filter:blur(10px);border-bottom:1px solid var(--fs-line);transition:box-shadow .2s ease-out;}
.fs-header.is-stuck{box-shadow:0 6px 18px rgba(16,30,27,.08);}
.fs-topbar{background:var(--fs-bg);}
.fs-topbar-inner{display:flex;align-items:center;gap:18px;min-height:64px;transition:min-height .2s ease-out;}
.fs-header.is-stuck .fs-topbar-inner{min-height:56px;}
.fs-logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.fs-logo-mark{width:38px;height:38px;border-radius:11px;background:linear-gradient(140deg,var(--fs-primary-400),var(--fs-primary));display:flex;align-items:center;justify-content:center;color:#fff;box-shadow:var(--fs-shadow-1);}
.fs-logo-mark svg{width:20px;height:20px;}
.fs-logo-text{display:flex;flex-direction:column;line-height:1.15;}
.fs-logo-text strong{font-size:17px;font-weight:700;letter-spacing:.01em;color:var(--fs-primary);}
.fs-logo-text span{font-size:10px;letter-spacing:.14em;color:var(--fs-muted);}
.fs-nav{display:none;align-items:center;gap:2px;margin-left:8px;flex:1;}
.fs-nav a{padding:8px 12px;border-radius:8px;font-size:15px;color:var(--fs-ink);transition:background .18s ease-out,color .18s ease-out;position:relative;white-space:nowrap;}
.fs-nav a:hover{background:rgba(46,122,106,.10);color:var(--fs-primary);}
.fs-nav a.active{color:var(--fs-primary);font-weight:600;}
.fs-nav a.active::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--fs-accent);}
.fs-topbar-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.fs-icon-btn{width:38px;height:38px;border-radius:10px;border:1px solid var(--fs-line);background:var(--fs-surface);display:flex;align-items:center;justify-content:center;cursor:pointer;color:var(--fs-primary);transition:border-color .18s ease-out,color .18s ease-out,transform .18s ease-out;}
.fs-icon-btn:hover{border-color:var(--fs-primary-400);color:var(--fs-primary-400);transform:translateY(-1px);}
.fs-icon-btn:active{transform:translateY(0);}
.fs-icon-btn svg{width:18px;height:18px;}
.fs-burger{display:flex;width:38px;height:38px;border-radius:10px;border:1px solid var(--fs-line);background:var(--fs-surface);align-items:center;justify-content:center;cursor:pointer;color:var(--fs-primary);}
.fs-burger svg{width:20px;height:20px;}
.fs-channelbar{background:var(--fs-bg);border-top:1px solid var(--fs-line);display:none;}
.fs-channelbar-inner{display:flex;align-items:center;gap:14px;min-height:46px;}
.fs-channels{display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;}
.fs-channels::-webkit-scrollbar{display:none;}
.fs-channels a{font-size:14px;color:var(--fs-muted);padding:6px 12px;border-radius:8px;white-space:nowrap;transition:color .18s ease-out,background .18s ease-out;}
.fs-channels a:hover{color:var(--fs-primary);background:rgba(46,122,106,.09);}
.fs-channels a.active{color:var(--fs-primary);font-weight:600;background:rgba(46,122,106,.12);}
.fs-hotwords{display:flex;align-items:center;gap:8px;margin-left:auto;flex-shrink:0;}
.fs-hotwords .fs-hot-label{font-size:12px;color:var(--fs-muted);letter-spacing:.06em;}
.fs-hotwords a{font-size:12px;padding:4px 10px;border-radius:999px;background:var(--fs-accent-soft);color:var(--fs-accent);border:1px solid rgba(228,88,44,.18);transition:background .18s ease-out,color .18s ease-out;}
.fs-hotwords a:hover{background:var(--fs-accent);color:#fff;border-color:var(--fs-accent);}
.fs-channelbar-scroll{display:none;background:var(--fs-bg);border-top:1px solid var(--fs-line);overflow-x:auto;scrollbar-width:none;-webkit-overflow-scrolling:touch;mask-image:linear-gradient(90deg,transparent 0,#000 18px,#000 calc(100% - 18px),transparent 100%);}
.fs-channelbar-scroll::-webkit-scrollbar{display:none;}
.fs-channelbar-scroll .container{display:flex;align-items:center;gap:8px;min-height:42px;}
.fs-channelbar-scroll a{font-size:13px;padding:5px 12px;border-radius:999px;background:var(--fs-surface);border:1px solid var(--fs-line);color:var(--fs-muted);white-space:nowrap;}
.fs-channelbar-scroll a.active{background:var(--fs-primary);border-color:var(--fs-primary);color:#fff;}
@media (min-width:1024px){
  .fs-nav{display:flex;}
  .fs-burger{display:none;}
  .fs-channelbar{display:block;}
  .fs-channelbar-scroll{display:none;}
}
@media (max-width:1023px){
  .fs-channelbar-scroll{display:block;}
}

/* Drawer */
.fs-drawer-mask{position:fixed;inset:0;background:rgba(10,43,37,.55);opacity:0;visibility:hidden;transition:opacity .22s ease-out,visibility .22s ease-out;z-index:80;}
.fs-drawer-mask.open{opacity:1;visibility:visible;}
.fs-drawer{position:fixed;top:0;right:0;height:100%;width:82%;max-width:340px;background:var(--fs-surface);z-index:90;transform:translateX(100%);transition:transform .26s ease-out;display:flex;flex-direction:column;padding:20px;overflow-y:auto;}
.fs-drawer.open{transform:translateX(0);}
.fs-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.fs-drawer-head strong{font-size:16px;color:var(--fs-primary);}
.fs-drawer-search{display:flex;gap:8px;margin-bottom:18px;}
.fs-drawer-search input{flex:1;height:44px;border:1px solid var(--fs-line);border-radius:var(--fs-radius-btn);padding:0 12px;background:var(--fs-bg);font-size:14px;}
.fs-drawer-search button{height:44px;padding:0 16px;border:0;border-radius:var(--fs-radius-btn);background:var(--fs-accent);color:#fff;font-size:14px;cursor:pointer;}
.fs-drawer-nav{display:flex;flex-direction:column;gap:2px;margin-bottom:18px;}
.fs-drawer-nav a{padding:11px 12px;border-radius:10px;font-size:15px;color:var(--fs-ink);}
.fs-drawer-nav a.active{background:rgba(46,122,106,.12);color:var(--fs-primary);font-weight:600;}
.fs-drawer-hot{margin-bottom:18px;}
.fs-drawer-hot h4{font-size:13px;color:var(--fs-muted);font-weight:600;margin-bottom:8px;}
.fs-drawer-hot div{display:flex;flex-wrap:wrap;gap:8px;}
.fs-drawer-hot a{font-size:12px;padding:4px 10px;border-radius:999px;background:var(--fs-accent-soft);color:var(--fs-accent);}

/* ============ Buttons & badges ============ */
.fs-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:var(--fs-radius-btn);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:background .18s ease-out,color .18s ease-out,border-color .18s ease-out,transform .18s ease-out;}
.fs-btn:active{transform:translateY(0);}
.fs-btn-accent{background:var(--fs-accent);color:#fff;}
.fs-btn-accent:hover{background:#cf4c23;transform:translateY(-1px);}
.fs-btn-outline{background:transparent;color:var(--fs-primary);border-color:var(--fs-primary-400);}
.fs-btn-outline:hover{background:rgba(46,122,106,.10);transform:translateY(-1px);}
.fs-btn-dark{background:var(--fs-primary);color:#fff;}
.fs-btn-dark:hover{background:var(--fs-primary-700);transform:translateY(-1px);}
.fs-btn-sm{height:38px;padding:0 16px;font-size:14px;border-radius:9px;}
.fs-btn-block{width:100%;}
.fs-badge{display:inline-flex;align-items:center;font-size:12px;padding:3px 9px;border-radius:999px;line-height:1.6;}
.fs-badge-cat{background:rgba(46,122,106,.14);color:var(--fs-primary);}
.fs-badge-time{background:var(--fs-bg);border:1px solid var(--fs-line);color:var(--fs-muted);}
.fs-badge-accent{background:var(--fs-accent-soft);color:var(--fs-accent);}

/* ============ Section ============ */
.fs-section{padding:48px 0;}
@media (min-width:768px){.fs-section{padding:64px 0;}}
@media (min-width:1024px){.fs-section{padding:96px 0;}}
.fs-section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:28px;}
.fs-eyebrow{display:inline-block;font-size:12px;letter-spacing:.16em;color:var(--fs-primary-400);margin-bottom:8px;}
.fs-h2{font-size:clamp(22px,2.6vw,32px);line-height:1.3;font-weight:700;position:relative;padding-left:14px;}
.fs-h2::before{content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:4px;border-radius:3px;background:var(--fs-accent);}
.fs-h3{font-size:20px;line-height:1.4;font-weight:600;}
.fs-lead{color:var(--fs-muted);font-size:15px;line-height:1.85;max-width:720px;margin-top:10px;}
.fs-more{font-size:14px;color:var(--fs-primary-400);white-space:nowrap;transition:color .18s ease-out;}
.fs-more:hover{color:var(--fs-accent);}
.fs-divider{height:1px;background:var(--fs-line);border:0;margin:0;}

/* ============ Hero ============ */
.fs-hero{background:linear-gradient(180deg,#FBF9F5 0%,var(--fs-bg) 100%);padding:40px 0 48px;position:relative;overflow:hidden;}
.fs-hero-grid{display:grid;gap:32px;align-items:center;}
@media (min-width:1024px){.fs-hero-grid{grid-template-columns:1.05fr .95fr;gap:48px;}}
.fs-hero-badge{display:inline-flex;align-items:center;gap:8px;padding:5px 12px;border-radius:999px;background:var(--fs-surface);border:1px solid var(--fs-line);font-size:12px;color:var(--fs-primary);letter-spacing:.04em;margin-bottom:18px;}
.fs-hero-badge .fs-num{color:var(--fs-accent);font-weight:600;}
.fs-hero h1{font-size:clamp(28px,4vw,44px);line-height:1.22;font-weight:700;letter-spacing:-.01em;}
.fs-hero h1 em{font-style:normal;color:var(--fs-primary);border-bottom:3px solid var(--fs-accent);padding-bottom:2px;}
.fs-hero-sub{margin-top:16px;font-size:16px;color:var(--fs-muted);max-width:560px;line-height:1.85;}
.fs-hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.fs-hero-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:0;margin-top:34px;border-top:1px solid var(--fs-line);}
@media (min-width:640px){.fs-hero-stats{grid-template-columns:repeat(4,1fr);}}
.fs-hero-stats li{padding:14px 14px 14px 0;border-right:1px solid var(--fs-line);}
.fs-hero-stats li:last-child{border-right:0;}
.fs-hero-stats b{display:block;font-size:26px;line-height:1.15;color:var(--fs-primary);font-weight:700;}
.fs-hero-stats span{font-size:12px;color:var(--fs-muted);}
.fs-hero-media{position:relative;border-radius:var(--fs-radius-card);overflow:hidden;border:1px solid var(--fs-line);box-shadow:var(--fs-shadow-2);aspect-ratio:4/3;background:linear-gradient(140deg,var(--fs-primary-400),var(--fs-primary-700));}
.fs-hero-media img{width:100%;height:100%;object-fit:cover;opacity:.92;}
.fs-hero-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(15,59,51,.10),rgba(15,59,51,.42));}
.fs-hero-tag{position:absolute;left:16px;bottom:16px;z-index:2;color:#fff;font-size:13px;letter-spacing:.04em;display:flex;align-items:center;gap:8px;}
.fs-hero-tag::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--fs-accent);box-shadow:0 0 0 4px rgba(228,88,44,.25);}
.fs-livebar{display:flex;align-items:center;gap:10px;background:var(--fs-primary);color:#fff;border-radius:var(--fs-radius-sm,10px);padding:10px 16px;font-size:13px;margin-top:18px;}
.fs-livebar .fs-dot{width:8px;height:8px;border-radius:50%;background:var(--fs-accent);flex-shrink:0;animation:fsPulse 1.8s infinite;}
@keyframes fsPulse{0%{box-shadow:0 0 0 0 rgba(228,88,44,.5);}70%{box-shadow:0 0 0 10px rgba(228,88,44,0);}100%{box-shadow:0 0 0 0 rgba(228,88,44,0);}}
.fs-livebar span{color:rgba(255,255,255,.82);}
.fs-livebar b{color:#fff;font-weight:600;}

/* ============ Cards ============ */
.fs-grid-3{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:640px){.fs-grid-3{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.fs-grid-3{grid-template-columns:repeat(3,1fr);gap:24px;}}
.fs-card{background:var(--fs-surface);border:1px solid var(--fs-line);border-radius:var(--fs-radius-card);overflow:hidden;box-shadow:var(--fs-shadow-1);transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;display:flex;flex-direction:column;}
.fs-card:hover{transform:translateY(-4px);box-shadow:var(--fs-shadow-2);border-color:var(--fs-primary-400);}
.fs-card-media{aspect-ratio:16/10;overflow:hidden;background:linear-gradient(140deg,var(--fs-primary-400),var(--fs-primary-700));position:relative;}
.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(1.04);}
.fs-card-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1;}
.fs-card-title{font-size:18px;line-height:1.45;font-weight:600;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.fs-card-desc{font-size:14px;line-height:1.75;color:var(--fs-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.fs-card-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:10px;border-top:1px solid var(--fs-line);}
.fs-card-foot .fs-date{font-size:13px;color:var(--fs-muted);}
.fs-feature{grid-column:span 1;}
@media (min-width:1024px){.fs-feature{grid-column:span 2;}}
.fs-feature .fs-card-media{aspect-ratio:16/9;}
.fs-feature .fs-card-title{font-size:22px;-webkit-line-clamp:3;}

/* 要点卡 */
.fs-point{background:var(--fs-surface);border:1px solid var(--fs-line);border-radius:var(--fs-radius-card);padding:22px;box-shadow:var(--fs-shadow-1);transition:transform .2s ease-out,border-color .2s ease-out;}
.fs-point:hover{transform:translateY(-4px);border-color:var(--fs-primary-400);}
.fs-point b{display:block;font-size:30px;line-height:1;color:var(--fs-primary-400);margin-bottom:12px;}
.fs-point h3{font-size:17px;font-weight:600;margin-bottom:8px;}
.fs-point p{font-size:14px;line-height:1.75;color:var(--fs-muted);margin:0;}

/* 故事区 */
.fs-story-grid{display:grid;gap:32px;align-items:center;}
@media (min-width:1024px){.fs-story-grid{grid-template-columns:1fr 1fr;gap:56px;}}
.fs-story-media{border-radius:var(--fs-radius-card);overflow:hidden;border:1px solid var(--fs-line);aspect-ratio:16/11;background:linear-gradient(140deg,var(--fs-primary-400),var(--fs-primary-700));}
.fs-story-media img{width:100%;height:100%;object-fit:cover;}
.fs-story-list{margin-top:22px;display:grid;gap:14px;}
.fs-story-list li{display:flex;gap:12px;font-size:15px;line-height:1.8;color:var(--fs-ink);}
.fs-story-list li svg{width:20px;height:20px;flex-shrink:0;margin-top:5px;color:var(--fs-accent);}

/* 资讯列表 */
.fs-news-list{display:grid;gap:14px;}
.fs-news-item{display:flex;gap:16px;background:var(--fs-surface);border:1px solid var(--fs-line);border-radius:var(--fs-radius-card);padding:16px;transition:border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;}
.fs-news-item:hover{border-color:var(--fs-primary-400);transform:translateY(-3px);box-shadow:var(--fs-shadow-2);}
.fs-news-thumb{width:120px;flex-shrink:0;aspect-ratio:16/11;border-radius:12px;overflow:hidden;background:linear-gradient(140deg,var(--fs-primary-400),var(--fs-primary-700));}
.fs-news-thumb img{width:100%;height:100%;object-fit:cover;}
.fs-news-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:6px;}
.fs-news-title{font-size:17px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.fs-news-desc{font-size:14px;line-height:1.75;color:var(--fs-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.fs-news-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:2px;}
@media (max-width:560px){
  .fs-news-item{flex-direction:column;}
  .fs-news-thumb{width:100%;aspect-ratio:16/9;}
}
.fs-empty{border:1px dashed var(--fs-line);border-radius:var(--fs-radius-card);padding:44px 24px;text-align:center;background:var(--fs-surface);}
.fs-empty h3{font-size:17px;font-weight:600;margin-bottom:8px;}
.fs-empty p{font-size:14px;color:var(--fs-muted);margin-bottom:18px;}

/* 信任背板 */
.fs-trust{background:var(--fs-primary);color:#fff;border-radius:0;}
.fs-trust .fs-h2{color:#fff;}
.fs-trust .fs-h2::before{background:var(--fs-accent);}
.fs-trust .fs-lead{color:rgba(255,255,255,.72);}
.fs-trust-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:34px;}
@media (min-width:1024px){.fs-trust-grid{grid-template-columns:repeat(4,1fr);gap:24px;}}
.fs-trust-item{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.10);border-radius:var(--fs-radius-card);padding:22px;box-shadow:inset 0 1px 0 rgba(255,255,255,.06);transition:background .2s ease-out;}
.fs-trust-item:hover{background:rgba(255,255,255,.09);}
.fs-trust-item b{display:block;font-size:34px;line-height:1.1;color:#fff;margin-bottom:6px;}
.fs-trust-item span{font-size:13px;color:rgba(255,255,255,.72);}
.fs-trust-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);}
.fs-trust-badges span{font-size:12px;padding:6px 14px;border-radius:999px;border:1px solid rgba(255,255,255,.20);color:rgba(255,255,255,.82);}

/* FAQ */
.fs-faq-grid{display:grid;gap:12px;max-width:880px;}
.fs-faq-item{background:var(--fs-surface);border:1px solid var(--fs-line);border-radius:12px;overflow:hidden;transition:border-color .2s ease-out;}
.fs-faq-item.open{border-color:var(--fs-primary-400);}
.fs-faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:14px;padding:16px 18px;background:none;border:0;text-align:left;font-size:16px;font-weight:600;cursor:pointer;position:relative;transition:color .18s ease-out;}
.fs-faq-q:hover{color:var(--fs-primary);}
.fs-faq-item.open .fs-faq-q{color:var(--fs-primary);}
.fs-faq-item.open .fs-faq-q::before{content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:2px;background:var(--fs-accent);}
.fs-faq-sign{font-size:20px;line-height:1;color:var(--fs-primary-400);flex-shrink:0;font-weight:400;}
.fs-faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease-out,opacity .24s ease-out;opacity:0;}
.fs-faq-item.open .fs-faq-a{opacity:1;}
.fs-faq-a p{margin:0;padding:0 18px 18px 18px;font-size:14px;line-height:1.8;color:var(--fs-muted);}

/* CTA */
.fs-cta{background:var(--fs-primary-700);color:#fff;border-radius:0;}
.fs-cta-inner{display:grid;gap:28px;align-items:center;}
@media (min-width:1024px){.fs-cta-inner{grid-template-columns:1.1fr .9fr;gap:56px;}}
.fs-cta h2{font-size:clamp(22px,2.6vw,30px);color:#fff;line-height:1.35;}
.fs-cta p{color:rgba(255,255,255,.74);font-size:15px;margin-top:12px;line-height:1.85;max-width:560px;}
.fs-form{display:flex;gap:10px;flex-wrap:wrap;}
.fs-form input{flex:1;min-width:0;height:46px;border-radius:var(--fs-radius-btn);border:1px solid var(--fs-line);background:#fff;padding:0 14px;font-size:15px;color:var(--fs-ink);transition:border-color .18s ease-out,box-shadow .18s ease-out;}
.fs-form input::placeholder{color:#9AA6A1;}
.fs-form input:focus{outline:none;border-color:var(--fs-primary-400);box-shadow:0 0 0 3px rgba(46,122,106,.18);}
.fs-form .fs-btn{flex-shrink:0;}
.fs-form-note{font-size:12px;color:rgba(255,255,255,.55);margin-top:12px;line-height:1.7;}
@media (max-width:560px){
  .fs-form{flex-direction:column;}
  .fs-form .fs-btn{width:100%;}
}

/* Footer */
.fs-footer{background:var(--fs-primary-700);color:rgba(255,255,255,.72);padding:52px 0 0;}
.fs-footer-grid{display:grid;gap:32px;}
@media (min-width:640px){.fs-footer-grid{grid-template-columns:repeat(2,1fr);}}
@media (min-width:1024px){.fs-footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}}
.fs-footer h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:14px;}
.fs-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);margin:0;}
.fs-footer-links{display:grid;gap:10px;}
.fs-footer-links a{font-size:14px;color:rgba(255,255,255,.66);transition:color .18s ease-out;}
.fs-footer-links a:hover{color:var(--fs-accent);}
.fs-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.fs-footer-brand .fs-logo-mark{background:linear-gradient(140deg,var(--fs-primary-400),#12564a);}
.fs-footer-brand strong{color:#fff;font-size:16px;}
.fs-footer-bottom{margin-top:40px;border-top:1px solid rgba(255,255,255,.12);padding:18px 0 24px;display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:12px;color:rgba(255,255,255,.48);}

@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;scroll-behavior:auto !important;}
}

/* roulang page: category1 */
:root{
  --fs-primary:#0F3B33;
  --fs-primary-700:#0A2B25;
  --fs-primary-400:#2E7A6A;
  --fs-accent:#E4582C;
  --fs-accent-soft:#FCEBE3;
  --fs-ink:#101E1B;
  --fs-muted:#6B7A75;
  --fs-bg:#F7F5F0;
  --fs-surface:#FFFFFF;
  --fs-line:#E4E0D7;
  --fs-gold:#C8A24A;
  --fs-r-card:14px;
  --fs-r-btn:10px;
  --fs-r-img:12px;
  --fs-shadow:0 1px 2px rgba(16,30,27,.06);
  --fs-shadow-hover:0 10px 24px rgba(16,30,27,.10);
  --fs-head:106px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--fs-bg);
  color:var(--fs-ink);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
button{background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--fs-primary-400);outline-offset:2px;}
.fs-num{font-family:"Barlow Condensed","Oswald",sans-serif;letter-spacing:.02em;text-transform:uppercase;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:16px;padding-right:16px;}

/* ---------- header ---------- */
.fs-header{position:sticky;top:0;z-index:80;background:var(--fs-surface);border-bottom:1px solid var(--fs-line);transition:box-shadow .2s ease-out;}
.fs-header.is-stuck{box-shadow:0 8px 20px rgba(16,30,27,.10);}
.fs-topbar-inner{display:flex;align-items:center;gap:18px;height:62px;}
.fs-logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.fs-logo-mark{width:34px;height:34px;border-radius:9px;background:var(--fs-primary);color:#fff;display:flex;align-items:center;justify-content:center;flex-shrink:0;}
.fs-logo-mark svg{width:20px;height:20px;}
.fs-logo-text{display:flex;flex-direction:column;line-height:1.15;}
.fs-logo-text strong{font-size:15px;font-weight:700;letter-spacing:.01em;white-space:nowrap;}
.fs-logo-text .fs-num{font-size:10px;color:var(--fs-muted);letter-spacing:.14em;}
.fs-nav{display:none;align-items:center;gap:22px;margin-left:8px;flex:1;}
.fs-nav a{font-size:14.5px;color:#35443F;padding:6px 0;position:relative;transition:color .2s ease-out;white-space:nowrap;}
.fs-nav a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;background:var(--fs-accent);transform:scaleX(0);transform-origin:left;transition:transform .2s ease-out;}
.fs-nav a:hover{color:var(--fs-primary-400);}
.fs-nav a:hover::after,.fs-nav a.active::after{transform:scaleX(1);}
.fs-nav a.active{color:var(--fs-primary);font-weight:600;}
.fs-topbar-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.fs-icon-btn{width:36px;height:36px;border-radius:9px;display:flex;align-items:center;justify-content:center;color:var(--fs-primary);border:1px solid var(--fs-line);transition:background .2s ease-out,border-color .2s ease-out;}
.fs-icon-btn svg{width:18px;height:18px;}
.fs-icon-btn:hover{background:var(--fs-bg);border-color:var(--fs-primary-400);}
.fs-burger{width:38px;height:38px;border-radius:9px;border:1px solid var(--fs-line);display:flex;align-items:center;justify-content:center;color:var(--fs-primary);}
.fs-burger svg{width:20px;height:20px;}
.fs-btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--fs-r-btn);font-weight:600;transition:background .2s ease-out,color .2s ease-out,transform .2s ease-out,border-color .2s ease-out;}
.fs-btn-sm{height:38px;padding:0 16px;font-size:14px;}
.fs-btn-accent{background:var(--fs-accent);color:#fff;}
.fs-btn-accent:hover{background:#CE4A20;transform:translateY(-1px);}
.fs-btn-accent:active{transform:translateY(0);}
.fs-btn-outline{border:1px solid var(--fs-primary);color:var(--fs-primary);}
.fs-btn-outline:hover{background:var(--fs-primary);color:#fff;transform:translateY(-1px);}
.fs-btn-ghost{border:1px solid rgba(255,255,255,.5);color:#fff;}
.fs-btn-ghost:hover{background:rgba(255,255,255,.14);}
.fs-channelbar{border-top:1px solid var(--fs-line);background:var(--fs-bg);}
.fs-channelbar-inner{display:flex;align-items:center;gap:16px;height:44px;}
.fs-channels{display:flex;align-items:center;gap:20px;overflow-x:auto;scrollbar-width:none;flex:1;}
.fs-channels::-webkit-scrollbar{display:none;}
.fs-channels a{font-size:13.5px;color:#3B4A45;white-space:nowrap;padding:4px 0;transition:color .2s ease-out;}
.fs-channels a:hover{color:var(--fs-accent);}
.fs-channels a.active{color:var(--fs-accent);font-weight:600;}
.fs-hotwords{display:none;align-items:center;gap:8px;flex-shrink:0;}
.fs-hot-label{font-size:11px;font-weight:700;color:var(--fs-accent);letter-spacing:.12em;}
.fs-hot-chip{font-size:12px;padding:3px 10px;border-radius:999px;background:var(--fs-accent-soft);color:var(--fs-primary);white-space:nowrap;transition:background .2s ease-out;}
.fs-hot-chip:hover{background:#F7D9CB;}
.fs-drawer-mask{position:fixed;inset:0;background:rgba(10,43,37,.55);opacity:0;visibility:hidden;transition:opacity .2s ease-out,visibility .2s ease-out;z-index:90;}
.fs-drawer-mask.is-open{opacity:1;visibility:visible;}
.fs-drawer{position:fixed;top:0;right:0;bottom:0;width:300px;max-width:86vw;background:var(--fs-surface);z-index:95;transform:translateX(102%);transition:transform .22s ease-out;display:flex;flex-direction:column;padding:18px;overflow-y:auto;}
.fs-drawer.is-open{transform:translateX(0);}
.fs-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.fs-drawer-head strong{font-size:14px;}
.fs-drawer-close{width:34px;height:34px;border-radius:9px;border:1px solid var(--fs-line);display:flex;align-items:center;justify-content:center;font-size:18px;line-height:1;color:var(--fs-muted);}
.fs-drawer-search{display:flex;gap:8px;margin-bottom:18px;}
.fs-drawer-search input{flex:1;height:42px;border:1px solid var(--fs-line);border-radius:var(--fs-r-btn);padding:0 12px;background:#fff;font-size:14px;}
.fs-drawer-search input:focus{border-color:var(--fs-primary);box-shadow:0 0 0 3px rgba(46,122,106,.16);outline:none;}
.fs-drawer-links{display:flex;flex-direction:column;}
.fs-drawer-links a{padding:12px 2px;border-bottom:1px solid var(--fs-line);font-size:15px;color:#2C3A36;}
.fs-drawer-links a.active{color:var(--fs-accent);font-weight:600;}
.fs-drawer-links a:hover{color:var(--fs-primary-400);}
.fs-drawer-cta{margin-top:20px;}

/* ---------- hero ---------- */
.fs-hero{position:relative;overflow:hidden;background:linear-gradient(135deg,#0F3B33,#0A2B25);}
.fs-hero-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.42;}
.fs-hero-overlay{position:absolute;inset:0;background:linear-gradient(100deg,rgba(10,43,37,.94) 0%,rgba(10,43,37,.80) 46%,rgba(10,43,37,.42) 100%);}
.fs-hero-inner{position:relative;z-index:2;padding-top:52px;padding-bottom:56px;}
.fs-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.66);margin-bottom:22px;}
.fs-crumb a{color:rgba(255,255,255,.82);transition:color .2s ease-out;}
.fs-crumb a:hover{color:var(--fs-accent-soft);}
.fs-crumb .sep{color:rgba(255,255,255,.38);}
.fs-crumb .cur{color:#fff;font-weight:600;}
.fs-badge-line{display:inline-flex;align-items:center;gap:8px;padding:5px 12px;border-radius:999px;background:rgba(228,88,44,.18);border:1px solid rgba(228,88,44,.5);color:#FFD9C9;font-size:11.5px;letter-spacing:.08em;margin-bottom:18px;}
.fs-hero h1{color:#fff;font-size:clamp(26px,3.6vw,42px);line-height:1.24;font-weight:700;max-width:19em;}
.fs-hero-sub{color:rgba(255,255,255,.84);font-size:15.5px;line-height:1.8;margin-top:16px;max-width:34em;}
.fs-hero-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:14px 18px;margin-top:30px;border-top:1px solid rgba(255,255,255,.18);padding-top:22px;max-width:560px;}
.fs-stat strong{display:block;font-family:"Barlow Condensed",sans-serif;font-size:26px;font-weight:700;color:#fff;letter-spacing:.02em;line-height:1.1;}
.fs-stat span{font-size:12.5px;color:rgba(255,255,255,.68);}
.fs-hero-crumb-text{display:none;}

/* ---------- anchor bar ---------- */
.fs-anchorbar{background:var(--fs-surface);border-bottom:1px solid var(--fs-line);position:sticky;top:0;z-index:40;}
.fs-anchorbar-inner{display:flex;align-items:center;gap:12px;height:56px;overflow-x:auto;scrollbar-width:none;}
.fs-anchorbar-inner::-webkit-scrollbar{display:none;}
.fs-anchor-label{font-size:12px;color:var(--fs-muted);flex-shrink:0;letter-spacing:.06em;}
.fs-chip{display:inline-flex;align-items:center;height:30px;padding:0 14px;border-radius:999px;background:var(--fs-accent-soft);color:var(--fs-primary);font-size:13px;white-space:nowrap;transition:background .2s ease-out,color .2s ease-out;}
.fs-chip:hover{background:var(--fs-primary);color:#fff;}

/* ---------- sections ---------- */
.fs-section{padding-top:48px;padding-bottom:48px;}
.fs-section-divider{border-top:1px solid var(--fs-line);}
.fs-section-head{margin-bottom:28px;}
.fs-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:11.5px;letter-spacing:.14em;color:var(--fs-accent);font-weight:700;margin-bottom:10px;}
.fs-eyebrow::before{content:"";width:22px;height:2px;background:var(--fs-accent);display:block;}
.fs-section-head h2{font-size:clamp(21px,2.4vw,30px);line-height:1.32;font-weight:700;color:var(--fs-primary);}
.fs-section-head p{margin-top:10px;font-size:14.5px;color:var(--fs-muted);max-width:44em;}

/* ---------- cards grid ---------- */
.fs-grid{display:grid;grid-template-columns:1fr;gap:20px;}
.fs-card{background:var(--fs-surface);border:1px solid var(--fs-line);border-radius:var(--fs-r-card);overflow:hidden;box-shadow:var(--fs-shadow);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(-4px);box-shadow:var(--fs-shadow-hover);border-color:var(--fs-primary-400);}
.fs-card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:linear-gradient(135deg,#0F3B33,#2E7A6A);}
.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(1.04);}
.fs-card-body{padding:16px 17px 18px;display:flex;flex-direction:column;flex:1;}
.fs-card-title{font-size:17.5px;font-weight:600;line-height:1.5;color:var(--fs-ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.fs-card-desc{margin-top:9px;font-size:14px;line-height:1.75;color:var(--fs-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.fs-card-meta{margin-top:14px;padding-top:12px;border-top:1px solid var(--fs-line);display:flex;align-items:center;justify-content:space-between;gap:10px;}
.fs-tag{display:inline-flex;align-items:center;padding:3px 9px;border-radius:999px;font-size:12px;background:rgba(15,59,51,.08);color:var(--fs-primary);}
.fs-tag-time{display:inline-flex;align-items:center;padding:3px 9px;border-radius:999px;font-size:12px;border:1px solid var(--fs-line);background:var(--fs-bg);color:var(--fs-muted);font-family:"Barlow Condensed",sans-serif;letter-spacing:.06em;}

/* ---------- steps ---------- */
.fs-steps{display:grid;grid-template-columns:1fr;gap:18px;}
.fs-step{background:var(--fs-surface);border:1px solid var(--fs-line);border-radius:var(--fs-r-card);padding:20px;transition:border-color .2s ease-out,transform .2s ease-out;}
.fs-step:hover{border-color:var(--fs-primary-400);transform:translateY(-3px);}
.fs-step-num{font-family:"Barlow Condensed",sans-serif;font-size:32px;font-weight:700;color:var(--fs-accent);line-height:1;letter-spacing:.04em;}
.fs-step h3{margin-top:12px;font-size:18px;font-weight:600;color:var(--fs-primary);}
.fs-step p{margin-top:8px;font-size:14px;line-height:1.78;color:var(--fs-muted);}

/* ---------- deep block ---------- */
.fs-deep{background:var(--fs-primary);color:#fff;}
.fs-deep .fs-eyebrow{color:#FFB79A;}
.fs-deep .fs-eyebrow::before{background:#FFB79A;}
.fs-deep h2{color:#fff;}
.fs-deep-grid{display:grid;grid-template-columns:1fr;gap:26px;}
.fs-deep-lead{font-size:15px;line-height:1.85;color:rgba(255,255,255,.82);}
.fs-check-list li{display:flex;gap:12px;padding:13px 0;border-bottom:1px solid rgba(255,255,255,.14);font-size:14.5px;color:rgba(255,255,255,.9);line-height:1.75;}
.fs-check-list li:last-child{border-bottom:0;}
.fs-check-list .mk{width:20px;height:20px;border-radius:6px;background:rgba(228,88,44,.9);color:#fff;display:flex;align-items:center;justify-content:center;flex-shrink:0;margin-top:3px;font-size:12px;font-weight:700;}
.fs-deep-card{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:var(--fs-r-card);padding:20px;}
.fs-deep-card h3{font-size:16px;font-weight:600;color:#fff;}
.fs-deep-card p{margin-top:8px;font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.74);}
.fs-deep-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:22px;}

/* ---------- faq ---------- */
.fs-faq{display:grid;gap:12px;max-width:860px;}
.fs-faq details{background:var(--fs-surface);border:1px solid var(--fs-line);border-radius:12px;transition:border-color .2s ease-out;}
.fs-faq details[open]{border-color:var(--fs-primary-400);}
.fs-faq summary{position:relative;list-style:none;cursor:pointer;padding:16px 48px 16px 18px;font-size:16px;font-weight:600;color:var(--fs-ink);}
.fs-faq summary::-webkit-details-marker{display:none;}
.fs-faq summary::after{content:"+";position:absolute;right:18px;top:50%;transform:translateY(-50%);font-size:20px;color:var(--fs-accent);line-height:1;font-weight:400;}
.fs-faq details[open] summary::after{content:"−";}
.fs-faq details[open] summary::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;background:var(--fs-accent);border-radius:0 3px 3px 0;}
.fs-faq .ans{padding:0 18px 18px;font-size:14px;line-height:1.8;color:var(--fs-muted);}

/* ---------- cta ---------- */
.fs-cta{background:linear-gradient(120deg,#0F3B33,#12463C);border-radius:18px;padding:32px 24px;color:#fff;position:relative;overflow:hidden;}
.fs-cta h2{font-size:clamp(20px,2.4vw,28px);font-weight:700;color:#fff;line-height:1.35;}
.fs-cta p{margin-top:12px;font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.8);max-width:40em;}
.fs-cta-actions{display:flex;flex-direction:column;gap:12px;margin-top:22px;}
.fs-cta-actions .fs-btn{height:48px;padding:0 22px;font-size:15px;}

/* ---------- footer ---------- */
.fs-footer{background:var(--fs-primary-700);color:rgba(255,255,255,.78);padding:48px 0 24px;margin-top:8px;}
.fs-footer-grid{display:grid;grid-template-columns:1fr;gap:30px;}
.fs-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:12px;}
.fs-footer-brand strong{color:#fff;font-size:15px;}
.fs-footer p{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.66);}
.fs-footer h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:14px;}
.fs-footer-links{display:flex;flex-direction:column;gap:9px;}
.fs-footer-links a{font-size:14px;color:rgba(255,255,255,.72);transition:color .2s ease-out;}
.fs-footer-links a:hover{color:var(--fs-accent);}
.fs-footer-bottom{margin-top:34px;padding-top:18px;border-top:1px solid rgba(255,255,255,.14);display:flex;flex-direction:column;gap:8px;font-size:12px;color:rgba(255,255,255,.5);}

@media (min-width:640px){
  .fs-grid{grid-template-columns:repeat(2,1fr);gap:22px;}
  .fs-steps{grid-template-columns:repeat(2,1fr);}
  .fs-cta{padding:40px 36px;}
  .fs-cta-actions{flex-direction:row;}
  .fs-hero-stats{grid-template-columns:repeat(4,1fr);}
  .fs-hero-inner{padding-top:64px;padding-bottom:68px;}
  .fs-footer-bottom{flex-direction:row;justify-content:space-between;}
}
@media (min-width:768px){
  .container{padding-left:24px;padding-right:24px;}
  .fs-section{padding-top:64px;padding-bottom:64px;}
  .fs-deep-grid{grid-template-columns:1.05fr .95fr;}
  .fs-footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:34px;}
}
@media (min-width:1024px){
  .container{padding-left:32px;padding-right:32px;max-width:1200px;}
  .fs-nav{display:flex;}
  .fs-burger{display:none;}
  .fs-hotwords{display:flex;}
  .fs-grid{grid-template-columns:repeat(3,1fr);gap:24px;}
  .fs-steps{grid-template-columns:repeat(4,1fr);}
  .fs-section{padding-top:88px;padding-bottom:88px;}
  .fs-hero-inner{padding-top:76px;padding-bottom:80px;}
  .fs-card-feature{grid-column:span 2;}
  .fs-deep-stats{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:1023px){
  .fs-nav{display:none;}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto;}
  *{transition:none!important;animation:none!important;}
}

/* roulang page: article */
:root{
  --fs-primary:#0F3B33;
  --fs-primary-700:#0A2B25;
  --fs-primary-400:#2E7A6A;
  --fs-accent:#E4582C;
  --fs-accent-soft:#FCEBE3;
  --fs-ink:#101E1B;
  --fs-muted:#6B7A75;
  --fs-bg:#F7F5F0;
  --fs-surface:#FFFFFF;
  --fs-line:#E4E0D7;
  --fs-gold:#C8A24A;
  --fs-radius-card:14px;
  --fs-radius-btn:10px;
  --fs-shadow:0 1px 2px rgba(16,30,27,.06);
  --fs-shadow-hover:0 10px 24px rgba(16,30,27,.10);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  background:var(--fs-bg);
  color:var(--fs-ink);
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
input,textarea{font:inherit;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:16px;padding-right:16px;}
@media(min-width:768px){.container{padding-left:24px;padding-right:24px;}}
@media(min-width:1024px){.container{padding-left:32px;padding-right:32px;}}
.fs-num{font-family:"Oswald","Barlow Condensed","Arial Narrow",Arial,sans-serif;letter-spacing:.02em;text-transform:uppercase;}

/* ---------- 头部导航 ---------- */
.fs-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.95);backdrop-filter:blur(10px);border-bottom:1px solid var(--fs-line);transition:box-shadow .2s ease-out;}
.fs-header.is-stuck{box-shadow:0 6px 20px rgba(16,30,27,.08);}
.fs-topbar-inner{display:flex;align-items:center;gap:18px;height:64px;transition:height .2s ease-out;}
.fs-header.is-stuck .fs-topbar-inner{height:56px;}
.fs-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.fs-logo-mark{width:36px;height:36px;border-radius:10px;background:var(--fs-primary);color:#fff;display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;}
.fs-logo-mark svg{width:20px;height:20px;}
.fs-logo-text{display:flex;flex-direction:column;line-height:1.15;}
.fs-logo-text strong{font-size:16px;font-weight:700;color:var(--fs-primary);white-space:nowrap;}
.fs-logo-text .fs-num{font-size:10px;color:var(--fs-muted);}
.fs-nav{display:none;}
@media(min-width:1024px){
  .fs-nav{display:flex;align-items:center;gap:2px;margin-left:6px;flex:1 1 auto;overflow:hidden;}
}
.fs-nav a{padding:8px 10px;border-radius:8px;font-size:14px;color:var(--fs-ink);white-space:nowrap;transition:background .18s ease-out,color .18s ease-out;}
.fs-nav a:hover{background:var(--fs-accent-soft);color:var(--fs-accent);}
.fs-nav a.active{color:var(--fs-primary);font-weight:600;background:rgba(46,122,106,.10);}
.fs-nav a:focus-visible{outline:2px solid var(--fs-primary-400);outline-offset:2px;}
.fs-topbar-actions{display:flex;align-items:center;gap:8px;margin-left:auto;}
.fs-icon-btn{width:38px;height:38px;border-radius:10px;border:1px solid var(--fs-line);background:var(--fs-surface);display:inline-flex;align-items:center;justify-content:center;color:var(--fs-primary);transition:border-color .18s ease-out,color .18s ease-out,background .18s ease-out;}
.fs-icon-btn svg{width:18px;height:18px;}
.fs-icon-btn:hover{border-color:var(--fs-primary-400);color:var(--fs-accent);}
.fs-icon-btn:focus-visible{outline:2px solid var(--fs-primary-400);outline-offset:2px;}
.fs-btn{display:inline-flex;align-items:center;justify-content:center;gap:6px;border-radius:var(--fs-radius-btn);font-size:14px;font-weight:600;padding:11px 18px;border:1px solid transparent;transition:transform .18s ease-out,background .18s ease-out,color .18s ease-out,border-color .18s ease-out;}
.fs-btn-accent{background:var(--fs-accent);color:#fff;}
.fs-btn-accent:hover{background:#cf4a22;transform:translateY(-1px);}
.fs-btn-accent:active{transform:translateY(0);}
.fs-btn-ghost{border-color:var(--fs-primary-400);color:var(--fs-primary);}
.fs-btn-ghost:hover{background:rgba(46,122,106,.08);transform:translateY(-1px);}
.fs-btn-ghost:active{transform:translateY(0);}
.fs-btn-sm{padding:8px 14px;font-size:13px;}
.fs-btn:focus-visible{outline:2px solid var(--fs-primary-400);outline-offset:2px;}
.fs-burger{display:inline-flex;width:38px;height:38px;border-radius:10px;border:1px solid var(--fs-line);align-items:center;justify-content:center;color:var(--fs-primary);}
.fs-burger svg{width:18px;height:18px;}
@media(min-width:1024px){.fs-burger{display:none;}}
.fs-channelbar{background:var(--fs-bg);border-top:1px solid var(--fs-line);}
.fs-channelbar-inner{display:flex;align-items:center;gap:12px;height:44px;overflow:hidden;}
.fs-channels{display:flex;align-items:center;gap:4px;overflow-x:auto;flex:1 1 auto;scrollbar-width:none;}
.fs-channels::-webkit-scrollbar{display:none;}
.fs-channels a{font-size:13px;padding:6px 12px;border-radius:999px;color:var(--fs-muted);white-space:nowrap;border:1px solid transparent;transition:color .18s ease-out,background .18s ease-out,border-color .18s ease-out;}
.fs-channels a:hover,.fs-channels a.active{color:var(--fs-primary);background:var(--fs-accent-soft);border-color:rgba(228,88,44,.18);}
.fs-channels a:focus-visible{outline:2px solid var(--fs-primary-400);outline-offset:2px;}
.fs-hotwords{display:none;}
@media(min-width:1024px){.fs-hotwords{display:flex;align-items:center;gap:8px;flex:0 0 auto;}}
.fs-hot-label{font-size:11px;font-weight:600;color:var(--fs-accent);}
.fs-hotwords a{font-size:12px;padding:4px 10px;border-radius:999px;background:var(--fs-accent-soft);color:var(--fs-primary);border:1px solid rgba(228,88,44,.18);transition:background .18s ease-out,color .18s ease-out;}
.fs-hotwords a:hover{background:var(--fs-accent);color:#fff;}

/* ---------- 移动抽屉 ---------- */
.fs-drawer{position:fixed;inset:0;z-index:120;display:none;}
.fs-drawer.is-open{display:block;}
.fs-drawer-mask{position:absolute;inset:0;background:rgba(10,43,37,.55);}
.fs-drawer-panel{position:absolute;top:0;right:0;bottom:0;width:min(84vw,340px);background:var(--fs-surface);padding:20px;overflow-y:auto;box-shadow:-10px 0 30px rgba(16,30,27,.20);}
.fs-drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:14px;border-bottom:1px solid var(--fs-line);margin-bottom:16px;}
.fs-drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:18px;}
.fs-drawer-nav a{padding:11px 12px;border-radius:10px;font-size:15px;color:var(--fs-ink);}
.fs-drawer-nav a:hover,.fs-drawer-nav a.active{background:var(--fs-accent-soft);color:var(--fs-accent);}
.fs-drawer-hot{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px;}
.fs-drawer-hot a{font-size:12px;padding:5px 10px;border-radius:999px;background:var(--fs-bg);border:1px solid var(--fs-line);color:var(--fs-muted);}

/* ---------- 面包屑 ---------- */
.fs-crumbbar{padding:20px 0 0;}
.fs-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--fs-muted);}
.fs-crumb a:hover{color:var(--fs-accent);}
.fs-crumb span.fs-crumb-sep{color:var(--fs-line);}
.fs-crumb-cur{color:var(--fs-primary);font-weight:600;}

/* ---------- 文章头 ---------- */
.fs-article-hero{padding:18px 0 28px;border-bottom:1px solid var(--fs-line);}
.fs-article-hero h1{font-size:clamp(28px,4vw,44px);line-height:1.22;font-weight:700;color:var(--fs-ink);letter-spacing:-.01em;max-width:920px;}
.fs-article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px;font-size:13px;color:var(--fs-muted);}
.fs-meta-sep{display:inline-block;width:1px;height:12px;background:var(--fs-line);}
.fs-badge{display:inline-flex;align-items:center;font-size:12px;line-height:1.2;padding:4px 9px;border-radius:999px;}
.fs-badge-cat{background:rgba(46,122,106,.12);color:var(--fs-primary);}
.fs-badge-time{background:var(--fs-bg);border:1px solid var(--fs-line);color:var(--fs-muted);}
.fs-badge-accent{background:var(--fs-accent-soft);color:var(--fs-accent);font-weight:600;}

/* ---------- 主体分栏 ---------- */
.fs-main{padding:36px 0 0;}
.fs-layout{display:grid;grid-template-columns:1fr;gap:32px;padding-bottom:56px;}
@media(min-width:1024px){.fs-layout{grid-template-columns:minmax(0,1fr) 300px;gap:44px;}}
.fs-article-card{background:var(--fs-surface);border:1px solid var(--fs-line);border-radius:var(--fs-radius-card);box-shadow:var(--fs-shadow);padding:24px;}
@media(min-width:768px){.fs-article-card{padding:36px;}}
.fs-cover{aspect-ratio:16/9;border-radius:12px;overflow:hidden;margin-bottom:26px;background:linear-gradient(135deg,#0F3B33,#2E7A6A);position:relative;}
.fs-cover img{width:100%;height:100%;object-fit:cover;}
.fs-cover-tag{position:absolute;left:14px;bottom:14px;font-size:12px;padding:5px 11px;border-radius:999px;background:rgba(10,43,37,.72);color:#fff;}
.fs-prose{max-width:760px;font-size:16px;line-height:1.9;color:var(--fs-ink);}
.fs-prose p{margin:0 0 1.1em;}
.fs-prose h2{position:relative;font-size:clamp(22px,2.6vw,32px);line-height:1.3;font-weight:700;color:var(--fs-primary);margin:2em 0 .7em;padding-left:14px;}
.fs-prose h2::before{content:"";position:absolute;left:0;top:.3em;width:4px;height:20px;border-radius:2px;background:var(--fs-accent);}
.fs-prose h3{font-size:20px;line-height:1.4;font-weight:600;color:var(--fs-primary);margin:1.6em 0 .5em;}
.fs-prose h4{font-size:17px;font-weight:600;margin:1.3em 0 .4em;}
.fs-prose a{color:var(--fs-primary);border-bottom:1px dotted var(--fs-primary-400);}
.fs-prose a:hover{color:var(--fs-accent);border-bottom-color:var(--fs-accent);}
.fs-prose ul{margin:0 0 1.1em;}
.fs-prose ul li{position:relative;padding-left:20px;margin-bottom:.5em;line-height:1.8;}
.fs-prose ul li::before{content:"";position:absolute;left:4px;top:.74em;width:6px;height:6px;background:var(--fs-primary-400);}
.fs-prose ol{margin:0 0 1.1em;padding-left:22px;list-style:decimal;}
.fs-prose ol li{margin-bottom:.5em;line-height:1.8;}
.fs-prose blockquote{margin:1.4em 0;padding:14px 18px;border-left:3px solid var(--fs-primary-400);background:rgba(46,122,106,.05);border-radius:0 10px 10px 0;color:var(--fs-ink);}
.fs-prose img{border-radius:12px;margin:1.4em 0;width:100%;height:auto;}
.fs-prose figure{margin:1.4em 0;}
.fs-prose figcaption{font-size:13px;color:var(--fs-muted);text-align:center;margin-top:8px;}
.fs-prose table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:14px;}
.fs-prose th,.fs-prose td{border-bottom:1px solid var(--fs-line);padding:10px 12px;text-align:left;}
.fs-prose th{background:var(--fs-bg);font-weight:600;}
.fs-prose code{background:rgba(46,122,106,.08);padding:2px 6px;border-radius:6px;font-size:14px;}
.fs-prose hr{border:0;border-top:1px solid var(--fs-line);margin:2em 0;}

/* ---------- 标签行 ---------- */
.fs-tagrow{display:flex;flex-wrap:wrap;gap:8px;margin-top:32px;padding-top:22px;border-top:1px solid var(--fs-line);}
.fs-tagrow span.fs-tagrow-label{font-size:13px;color:var(--fs-muted);align-self:center;margin-right:2px;}
.fs-tag{font-size:13px;padding:5px 12px;border-radius:999px;background:var(--fs-accent-soft);color:var(--fs-primary);transition:background .18s ease-out,color .18s ease-out;}
.fs-tag:hover{background:var(--fs-accent);color:#fff;}

/* ---------- 侧栏 ---------- */
.fs-sidebar{display:flex;flex-direction:column;gap:20px;}
@media(min-width:1024px){.fs-sidebar{position:sticky;top:96px;align-self:start;}}
.fs-side-card{background:var(--fs-surface);border:1px solid var(--fs-line);border-radius:var(--fs-radius-card);box-shadow:var(--fs-shadow);padding:20px;}
.fs-side-card h3{font-size:16px;font-weight:600;color:var(--fs-primary);margin-bottom:12px;}
.fs-side-meta{display:flex;flex-direction:column;gap:10px;font-size:14px;}
.fs-side-meta div{display:flex;justify-content:space-between;gap:12px;color:var(--fs-muted);}
.fs-side-meta strong{color:var(--fs-ink);font-weight:600;text-align:right;}
.fs-side-list li + li{border-top:1px solid var(--fs-line);}
.fs-side-list a{display:block;padding:11px 0;font-size:14px;color:var(--fs-ink);transition:color .18s ease-out,padding-left .18s ease-out;}
.fs-side-list a:hover{color:var(--fs-accent);padding-left:4px;}

/* ---------- 通用板块 ---------- */
.fs-section{padding:52px 0;border-top:1px solid var(--fs-line);}
@media(min-width:1024px){.fs-section{padding:72px 0;}}
.fs-section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:26px;}
.fs-section-head h2{font-size:clamp(22px,2.6vw,32px);line-height:1.3;font-weight:700;color:var(--fs-primary);}
.fs-section-head p{font-size:14px;color:var(--fs-muted);margin-top:8px;max-width:640px;}
.fs-section-head a.fs-more{font-size:14px;color:var(--fs-primary-400);}
.fs-section-head a.fs-more:hover{color:var(--fs-accent);}
.fs-card-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media(min-width:640px){.fs-card-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.fs-card-grid{grid-template-columns:repeat(3,1fr);}}
.fs-card{background:var(--fs-surface);border:1px solid var(--fs-line);border-radius:var(--fs-radius-card);overflow:hidden;display:flex;flex-direction:column;box-shadow:var(--fs-shadow);transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;}
.fs-card:hover{transform:translateY(-4px);box-shadow:var(--fs-shadow-hover);border-color:var(--fs-primary-400);}
.fs-card-thumb{aspect-ratio:16/10;overflow:hidden;background:linear-gradient(135deg,#0F3B33,#2E7A6A);}
.fs-card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.fs-card:hover .fs-card-thumb img{transform:scale(1.04);}
.fs-card-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.fs-card-body h3{font-size:18px;font-weight:600;line-height:1.45;color:var(--fs-ink);}
.fs-card-body p{font-size:14px;line-height:1.75;color:var(--fs-muted);}
.fs-card-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--fs-muted);margin-top:auto;padding-top:6px;}
.fs-card:focus-visible{outline:2px solid var(--fs-primary-400);outline-offset:2px;}

/* ---------- 空态 ---------- */
.fs-empty{border:1px dashed var(--fs-line);border-radius:var(--fs-radius-card);background:var(--fs-surface);padding:48px 24px;text-align:center;}
.fs-empty h3{font-size:18px;font-weight:600;color:var(--fs-primary);margin-bottom:8px;}
.fs-empty p{font-size:14px;color:var(--fs-muted);margin-bottom:18px;}

/* ---------- CTA ---------- */
.fs-cta{background:var(--fs-primary);border-radius:var(--fs-radius-card);padding:32px;display:grid;gap:22px;color:#fff;}
@media(min-width:1024px){.fs-cta{grid-template-columns:1.5fr 1fr;align-items:center;padding:44px;}}
.fs-cta h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;font-weight:700;color:#fff;}
.fs-cta p{font-size:15px;line-height:1.8;color:rgba(255,255,255,.78);margin-top:10px;}
.fs-cta-actions{display:flex;flex-wrap:wrap;gap:12px;}
.fs-cta .fs-btn-ghost{border-color:rgba(255,255,255,.42);color:#fff;}
.fs-cta .fs-btn-ghost:hover{background:rgba(255,255,255,.12);}

/* ---------- 页脚 ---------- */
.fs-footer{background:var(--fs-primary-700);color:rgba(255,255,255,.75);padding:56px 0 24px;}
.fs-footer-grid{display:grid;grid-template-columns:1fr;gap:32px;}
@media(min-width:768px){.fs-footer-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.fs-footer-grid{grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}}
.fs-footer h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:14px;}
.fs-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);}
.fs-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.fs-footer-brand .fs-logo-mark{background:var(--fs-primary-400);}
.fs-footer-brand strong{color:#fff;font-size:16px;}
.fs-footer-links{display:flex;flex-direction:column;gap:10px;}
.fs-footer-links a{font-size:14px;color:rgba(255,255,255,.72);transition:color .18s ease-out;}
.fs-footer-links a:hover{color:var(--fs-accent);}
.fs-footer-links a:focus-visible{outline:2px solid var(--fs-primary-400);outline-offset:2px;}
.fs-footer-bottom{margin-top:40px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;gap:8px;justify-content:space-between;font-size:12px;color:rgba(255,255,255,.55);}
@media (prefers-reduced-motion: reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category2 */
:root{
  --fs-primary:#0F3B33;
  --fs-primary-700:#0A2B25;
  --fs-primary-400:#2E7A6A;
  --fs-accent:#E4582C;
  --fs-accent-soft:#FCEBE3;
  --fs-ink:#101E1B;
  --fs-muted:#6B7A75;
  --fs-bg:#F7F5F0;
  --fs-surface:#FFFFFF;
  --fs-line:#E4E0D7;
  --fs-gold:#C8A24A;
  --fs-soft:#E8F0EE;
  --fs-radius-card:14px;
  --fs-radius-btn:10px;
  --fs-radius-pill:999px;
  --fs-shadow:0 1px 2px rgba(16,30,27,.06);
  --fs-shadow-hover:0 10px 24px rgba(16,30,27,.10);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--fs-bg);
  color:var(--fs-ink);
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;font-size:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
.fs-num{
  font-family:"Barlow Condensed","Oswald",-apple-system,sans-serif;
  letter-spacing:.02em;
  text-transform:uppercase;
  font-variant-numeric:tabular-nums;
}
.fs-visually-hidden{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px;}
@media (min-width:768px){.container{padding:0 24px;}}
@media (min-width:1024px){.container{padding:0 32px;max-width:1240px;}}
.fs-section{padding:48px 0;}
@media (min-width:768px){.fs-section{padding:64px 0;}}
@media (min-width:1024px){.fs-section{padding:88px 0;}}

/* ---------- 顶部导航 ---------- */
.fs-header{position:sticky;top:0;z-index:80;background:var(--fs-surface);transition:box-shadow .2s ease-out;}
.fs-header.is-stuck{box-shadow:0 8px 22px rgba(16,30,27,.10);}
.fs-topbar-inner{display:flex;align-items:center;gap:16px;height:64px;transition:height .2s ease-out;}
.fs-header.is-stuck .fs-topbar-inner{height:58px;}
.fs-logo{display:flex;align-items:center;gap:10px;flex:none;}
.fs-logo-mark{
  width:38px;height:38px;border-radius:10px;flex:none;
  background:var(--fs-primary);color:#fff;
  display:grid;place-items:center;
  transition:background .2s ease-out;
}
.fs-logo-mark svg{width:22px;height:22px;}
.fs-logo:hover .fs-logo-mark{background:var(--fs-primary-400);}
.fs-logo-text{display:flex;flex-direction:column;line-height:1.2;}
.fs-logo-text strong{font-size:15px;font-weight:700;color:var(--fs-primary);letter-spacing:.01em;white-space:nowrap;}
.fs-logo-text .fs-num{font-size:10px;color:var(--fs-muted);letter-spacing:.14em;}
.fs-nav{display:none;flex:1;align-items:center;justify-content:center;gap:2px;}
@media (min-width:1024px){.fs-nav{display:flex;}}
.fs-nav a{
  padding:8px 12px;border-radius:8px;font-size:14px;color:var(--fs-ink);
  white-space:nowrap;transition:background .2s ease-out,color .2s ease-out;
}
.fs-nav a:hover{background:var(--fs-accent-soft);color:var(--fs-primary);}
.fs-nav a:focus-visible{outline:2px solid var(--fs-primary-400);outline-offset:2px;}
.fs-nav a.active{background:var(--fs-soft);color:var(--fs-primary);font-weight:600;}
.fs-topbar-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex:none;}
.fs-icon-btn{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--fs-line);
  background:var(--fs-surface);color:var(--fs-ink);
  display:grid;place-items:center;cursor:pointer;
  transition:border-color .2s ease-out,color .2s ease-out,background .2s ease-out;
}
.fs-icon-btn svg{width:18px;height:18px;}
.fs-icon-btn:hover{border-color:var(--fs-primary-400);color:var(--fs-primary-400);background:#fff;}
.fs-icon-btn:focus-visible{outline:2px solid var(--fs-primary-400);outline-offset:2px;}
.fs-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:42px;padding:0 18px;border-radius:var(--fs-radius-btn);
  border:1px solid transparent;font-size:14px;font-weight:600;
  cursor:pointer;transition:background .2s ease-out,color .2s ease-out,transform .2s ease-out,border-color .2s ease-out;
}
.fs-btn:focus-visible{outline:2px solid var(--fs-primary-400);outline-offset:2px;}
.fs-btn-accent{background:var(--fs-accent);color:#fff;}
.fs-btn-accent:hover{background:#cf4a20;transform:translateY(-1px);}
.fs-btn-accent:active{transform:translateY(0);}
.fs-btn-ghost{background:transparent;border-color:var(--fs-primary);color:var(--fs-primary);}
.fs-btn-ghost:hover{background:var(--fs-primary);color:#fff;transform:translateY(-1px);}
.fs-btn-ghost:active{transform:translateY(0);}
.fs-btn-light{background:#fff;color:var(--fs-primary);}
.fs-btn-light:hover{background:var(--fs-accent-soft);transform:translateY(-1px);}
.fs-btn-sm{height:36px;padding:0 14px;font-size:13px;}
.fs-btn-block{width:100%;}
.fs-burger{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--fs-line);
  background:var(--fs-surface);display:grid;place-items:center;cursor:pointer;
  transition:border-color .2s ease-out;
}
.fs-burger svg{width:20px;height:20px;}
.fs-burger:hover{border-color:var(--fs-primary-400);}
.fs-burger:focus-visible{outline:2px solid var(--fs-primary-400);outline-offset:2px;}
@media (min-width:1024px){.fs-burger{display:none;}}
.fs-channelbar{background:var(--fs-bg);border-bottom:1px solid var(--fs-line);}
.fs-channelbar-inner{display:flex;align-items:center;gap:14px;height:46px;}
.fs-channels{display:flex;align-items:center;gap:4px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;}
.fs-channels::-webkit-scrollbar{display:none;}
.fs-channels a{
  padding:6px 12px;border-radius:var(--fs-radius-pill);font-size:13px;
  color:var(--fs-muted);white-space:nowrap;transition:background .2s ease-out,color .2s ease-out;
}
.fs-channels a:hover{background:#fff;color:var(--fs-primary);}
.fs-channels a.active{background:var(--fs-primary);color:#fff;font-weight:600;}
.fs-hotwords{display:none;align-items:center;gap:8px;margin-left:auto;}
@media (min-width:1024px){.fs-hotwords{display:flex;}}
.fs-hot-label{font-size:11px;letter-spacing:.16em;color:var(--fs-accent);font-weight:600;}
.fs-hot-chip{
  font-size:12px;padding:4px 11px;border-radius:var(--fs-radius-pill);
  background:#fff;border:1px solid var(--fs-line);color:var(--fs-muted);
  white-space:nowrap;transition:border-color .2s ease-out,color .2s ease-out;
}
.fs-hot-chip:hover{border-color:var(--fs-primary-400);color:var(--fs-primary-400);}

/* ---------- 移动端抽屉 ---------- */
.fs-overlay{
  position:fixed;inset:0;background:rgba(10,43,37,.55);z-index:90;
  opacity:0;visibility:hidden;transition:opacity .22s ease-out,visibility .22s ease-out;
}
.fs-overlay.is-open{opacity:1;visibility:visible;}
.fs-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);z-index:95;
  background:var(--fs-surface);padding:22px 20px 32px;overflow-y:auto;
  transform:translateX(101%);transition:transform .24s ease-out;
  box-shadow:-14px 0 34px rgba(10,43,37,.18);
}
.fs-drawer.is-open{transform:translateX(0);}
.fs-drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.fs-drawer-head strong{font-size:15px;color:var(--fs-primary);}
.fs-drawer-close{width:34px;height:34px;border-radius:9px;border:1px solid var(--fs-line);background:#fff;display:grid;place-items:center;cursor:pointer;}
.fs-drawer-close svg{width:16px;height:16px;}
.fs-drawer-search{display:flex;gap:8px;margin-bottom:20px;}
.fs-drawer-search input{
  flex:1;height:44px;border-radius:var(--fs-radius-btn);border:1px solid var(--fs-line);
  padding:0 13px;font-size:14px;background:var(--fs-bg);
}
.fs-drawer-search input:focus{outline:none;border-color:var(--fs-primary-400);box-shadow:0 0 0 3px rgba(46,122,106,.16);background:#fff;}
.fs-drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:18px;}
.fs-drawer-nav a{padding:12px 14px;border-radius:10px;font-size:15px;color:var(--fs-ink);transition:background .2s ease-out,color .2s ease-out;}
.fs-drawer-nav a:hover{background:var(--fs-accent-soft);color:var(--fs-primary);}
.fs-drawer-nav a.active{background:var(--fs-soft);color:var(--fs-primary);font-weight:600;}
.fs-drawer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px;}

/* ---------- 顶部横幅 ---------- */
.fs-banner{position:relative;overflow:hidden;background:var(--fs-primary);}
.fs-banner-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.fs-banner-mask{position:absolute;inset:0;background:linear-gradient(104deg,rgba(10,43,37,.95) 0%,rgba(15,59,51,.84) 54%,rgba(15,59,51,.58) 100%);}
.fs-banner-inner{position:relative;padding:36px 16px 56px;}
@media (min-width:768px){.fs-banner-inner{padding:48px 24px 72px;}}
@media (min-width:1024px){.fs-banner-inner{padding:56px 32px 84px;}}
.fs-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--fs-muted);margin-bottom:20px;}
.fs-crumb a{color:var(--fs-muted);text-decoration:none;transition:color .2s ease-out;}
.fs-crumb a:hover{color:var(--fs-accent);}
.fs-crumb .sep{opacity:.5;}
.fs-banner .fs-crumb{color:rgba(255,255,255,.72);}
.fs-banner .fs-crumb a{color:rgba(255,255,255,.72);}
.fs-banner .fs-crumb a:hover{color:#fff;}
.fs-banner .fs-crumb .current{color:#fff;font-weight:600;}
.fs-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;font-weight:600;letter-spacing:.18em;
  color:var(--fs-accent);text-transform:uppercase;
}
.fs-banner .fs-eyebrow{color:#F3A184;}
.fs-banner h1{
  margin-top:12px;
  font-size:clamp(28px,4vw,44px);
  line-height:1.22;
  font-weight:700;
  color:#fff;
  max-width:20em;
}
.fs-banner-sub{margin-top:14px;font-size:16px;line-height:1.8;color:rgba(255,255,255,.82);max-width:620px;}
.fs-banner-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:22px;font-size:13px;color:rgba(255,255,255,.72);}
.fs-banner-meta .divider{width:1px;height:12px;background:rgba(255,255,255,.3);}
.fs-badge{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;padding:4px 10px;border-radius:var(--fs-radius-pill);
  letter-spacing:.02em;
}
.fs-badge-cat{background:var(--fs-soft);color:var(--fs-primary);font-weight:600;}
.fs-badge-light{background:var(--fs-bg);border:1px solid var(--fs-line);color:var(--fs-muted);}
.fs-badge-on-dark{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.2);}
.fs-badge-accent{background:var(--fs-accent-soft);color:var(--fs-accent);font-weight:600;}

/* ---------- 状态条 ---------- */
.fs-status-wrap{position:relative;z-index:2;margin-top:-34px;}
@media (min-width:768px){.fs-status-wrap{margin-top:-42px;}}
.fs-statusbar{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
  gap:1px;background:var(--fs-line);
  border:1px solid var(--fs-line);border-radius:var(--fs-radius-card);
  overflow:hidden;box-shadow:var(--fs-shadow);
}
@media (min-width:900px){.fs-statusbar{grid-template-columns:repeat(4,minmax(0,1fr));}}
.fs-status-item{background:var(--fs-surface);padding:16px 18px;}
.fs-status-item .label{font-size:12px;color:var(--fs-muted);display:block;margin-bottom:6px;}
.fs-status-item .value{font-size:26px;font-weight:600;color:var(--fs-primary);line-height:1.1;display:flex;align-items:baseline;gap:6px;}
.fs-status-item .value em{font-style:normal;font-size:12px;color:var(--fs-muted);font-family:inherit;letter-spacing:0;text-transform:none;}
.fs-status-live{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--fs-muted);margin-bottom:6px;}
.fs-dot-live{width:8px;height:8px;border-radius:50%;background:var(--fs-primary-400);position:relative;}
.fs-dot-live::after{content:"";position:absolute;inset:-4px;border-radius:50%;background:rgba(46,122,106,.22);}

/* ---------- 通用板块标题 ---------- */
.fs-sec-head{margin-bottom:30px;}
@media (min-width:768px){.fs-sec-head{margin-bottom:38px;}}
.fs-sec-head h2{
  font-size:clamp(22px,2.6vw,32px);
  line-height:1.3;font-weight:700;color:var(--fs-ink);margin-top:10px;
}
.fs-sec-head p{margin-top:12px;font-size:15px;color:var(--fs-muted);max-width:700px;line-height:1.8;}
.fs-rule{width:44px;height:4px;background:var(--fs-accent);border-radius:2px;margin-top:16px;}

/* ---------- 交错图文行 ---------- */
.fs-zig{border-top:1px solid var(--fs-line);}
.fs-zig-row{
  display:grid;grid-template-columns:1fr;gap:18px;
  padding:26px 0;border-bottom:1px solid var(--fs-line);
}
@media (min-width:900px){
  .fs-zig-row{grid-template-columns:minmax(0,40%) minmax(0,60%);gap:36px;align-items:center;padding:34px 0;}
  .fs-zig-row:nth-child(even) .fs-zig-media{order:2;}
}
.fs-zig-media{position:relative;border-radius:var(--fs-radius-card);overflow:hidden;border:1px solid var(--fs-line);background:linear-gradient(150deg,var(--fs-primary) 0%,var(--fs-primary-700) 100%);}
.fs-zig-media img{width:100%;aspect-ratio:16/10;object-fit:cover;transition:transform .35s ease-out;}
.fs-zig-row:hover .fs-zig-media img{transform:scale(1.03);}
.fs-zig-media .fs-badge{position:absolute;left:12px;top:12px;background:rgba(255,255,255,.94);color:var(--fs-primary);font-weight:600;}
.fs-zig-body h3{font-size:20px;line-height:1.4;font-weight:600;color:var(--fs-ink);}
.fs-zig-body p{margin-top:12px;font-size:15px;line-height:1.85;color:var(--fs-muted);}
.fs-zig-meta{display:flex;flex-wrap:wrap;align-items:center;gap:12px;margin-top:16px;font-size:13px;color:var(--fs-muted);}
.fs-zig-meta .fs-num{letter-spacing:.06em;}
.fs-more{
  margin-left:auto;font-size:13px;font-weight:600;color:var(--fs-primary);
  border-bottom:1px dotted var(--fs-primary-400);padding-bottom:1px;
  transition:color .2s ease-out,border-color .2s ease-out;
}
.fs-more:hover{color:var(--fs-accent);border-color:var(--fs-accent);}
.fs-more:focus-visible{outline:2px solid var(--fs-primary-400);outline-offset:3px;}

/* ---------- 要点卡 ---------- */
.fs-points{display:grid;grid-template-columns:1fr;gap:20px;}
@media (min-width:700px){.fs-points{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1024px){.fs-points{grid-template-columns:repeat(3,minmax(0,1fr));}}
.fs-point-card{
  background:var(--fs-surface);border:1px solid var(--fs-line);
  border-radius:var(--fs-radius-card);padding:26px 24px;
  box-shadow:var(--fs-shadow);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.fs-point-card:hover{transform:translateY(-4px);box-shadow:var(--fs-shadow-hover);border-color:var(--fs-primary-400);}
.fs-point-num{font-family:"Barlow Condensed",sans-serif;font-size:36px;font-weight:600;color:var(--fs-primary-400);line-height:1;letter-spacing:.04em;}
.fs-point-card h3{margin-top:14px;font-size:18px;font-weight:600;color:var(--fs-ink);}
.fs-point-card p{margin-top:10px;font-size:14px;line-height:1.8;color:var(--fs-muted);}
.fs-point-card .tagline{display:inline-block;margin-top:16px;font-size:12px;color:var(--fs-accent);font-weight:600;}

/* ---------- 自检清单 ---------- */
.fs-check-wrap{display:grid;grid-template-columns:1fr;gap:32px;}
@media (min-width:1024px){.fs-check-wrap{grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:52px;}}
.fs-check-aside h2{font-size:clamp(22px,2.6vw,30px);line-height:1.32;font-weight:700;color:var(--fs-ink);margin-top:10px;}
.fs-check-aside p{margin-top:14px;font-size:15px;line-height:1.85;color:var(--fs-muted);}
.fs-check-list{display:grid;grid-template-columns:1fr;gap:14px;}
@media (min-width:700px){.fs-check-list{grid-template-columns:repeat(2,minmax(0,1fr));}}
.fs-check-list li{
  position:relative;background:var(--fs-surface);border:1px solid var(--fs-line);
  border-radius:12px;padding:16px 18px 16px 40px;font-size:14px;line-height:1.75;color:var(--fs-ink);
  transition:border-color .2s ease-out,transform .2s ease-out;
}
.fs-check-list li::before{
  content:"";position:absolute;left:18px;top:23px;width:8px;height:8px;
  background:var(--fs-accent);border-radius:1px;
}
.fs-check-list li:hover{border-color:var(--fs-primary-400);transform:translateY(-2px);}
.fs-check-list li span{display:block;margin-top:6px;font-size:13px;color:var(--fs-muted);}

/* ---------- FAQ ---------- */
.fs-faq{max-width:900px;}
.fs-faq-item{
  background:var(--fs-surface);border:1px solid var(--fs-line);
  border-radius:12px;margin-bottom:12px;overflow:hidden;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.fs-faq-item:hover{border-color:var(--fs-primary-400);}
.fs-faq-item.is-open{box-shadow:var(--fs-shadow);}
.fs-faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  padding:18px 20px;background:none;border:0;cursor:pointer;
  font-size:16px;font-weight:600;line-height:1.6;color:var(--fs-ink);text-align:left;
}
.fs-faq-q:focus-visible{outline:2px solid var(--fs-primary-400);outline-offset:-2px;}
.fs-faq-q .sign{font-family:"Barlow Condensed",sans-serif;font-size:22px;line-height:1;color:var(--fs-primary-400);flex:none;}
.fs-faq-item.is-open .sign{color:var(--fs-accent);}
.fs-faq-a{max-height:0;overflow:hidden;opacity:0;transition:max-height .28s ease-out,opacity .28s ease-out;}
.fs-faq-item.is-open .fs-faq-a{opacity:1;}
.fs-faq-a-inner{
  margin:0 20px 20px;padding-left:13px;
  border-left:3px solid transparent;
  font-size:14px;line-height:1.8;color:var(--fs-muted);
  transition:border-color .24s ease-out;
}
.fs-faq-item.is-open .fs-faq-a-inner{border-left-color:var(--fs-accent);}

/* ---------- CTA ---------- */
.fs-cta{
  background:var(--fs-primary);color:#fff;border-radius:16px;
  padding:clamp(28px,4vw,52px);
  display:grid;grid-template-columns:1fr;gap:30px;
  position:relative;overflow:hidden;
}
@media (min-width:960px){.fs-cta{grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:48px;align-items:center;}}
.fs-cta::after{
  content:"";position:absolute;right:-90px;top:-90px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(228,88,44,.24) 0%,rgba(228,88,44,0) 68%);
  pointer-events:none;
}
.fs-cta h2{position:relative;font-size:clamp(22px,2.6vw,30px);line-height:1.32;font-weight:700;color:#fff;}
.fs-cta p{position:relative;margin-top:14px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.78);max-width:520px;}
.fs-cta-form{position:relative;display:flex;flex-direction:column;gap:12px;}
@media (min-width:640px){.fs-cta-form{flex-direction:row;align-items:center;}}
.fs-input{
  width:100%;height:46px;border-radius:var(--fs-radius-btn);
  border:1px solid var(--fs-line);background:#fff;color:var(--fs-ink);
  padding:0 14px;font-size:14px;
  transition:border-color .2s ease-out,box-shadow .2s ease-out;
}
.fs-input::placeholder{color:#98A49F;}
.fs-input:focus{outline:none;border-color:var(--fs-primary-400);box-shadow:0 0 0 3px rgba(46,122,106,.24);}
.fs-cta-note{position:relative;margin-top:12px;font-size:12px;line-height:1.7;color:rgba(255,255,255,.6);}
@media (min-width:640px){.fs-cta .fs-btn{flex:none;}}

/* ---------- 页脚 ---------- */
.fs-footer{background:var(--fs-primary-700);color:rgba(255,255,255,.72);padding:54px 0 0;font-size:14px;}
.fs-footer-grid{display:grid;grid-template-columns:1fr;gap:34px;}
@media (min-width:768px){.fs-footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1024px){.fs-footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px;}}
.fs-footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:16px;font-weight:600;margin-bottom:14px;}
.fs-footer-brand .fs-logo-mark{background:var(--fs-primary-400);}
.fs-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);}
.fs-footer h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:14px;}
.fs-footer-links{display:flex;flex-direction:column;gap:10px;}
.fs-footer-links a{color:rgba(255,255,255,.72);font-size:14px;transition:color .2s ease-out,padding-left .2s ease-out;}
.fs-footer-links a:hover{color:var(--fs-accent);padding-left:3px;}
.fs-footer-links a:focus-visible{outline:2px solid var(--fs-accent);outline-offset:3px;}
.fs-footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);margin-top:46px;padding:18px 0 22px;
  display:flex;flex-wrap:wrap;gap:8px 22px;justify-content:space-between;
  font-size:12px;color:rgba(255,255,255,.58);
}

@media (prefers-reduced-motion: reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
}

/* roulang page: category3 */
:root{
    --fs-primary:#0F3B33;
    --fs-primary-700:#0A2B25;
    --fs-primary-400:#2E7A6A;
    --fs-accent:#E4582C;
    --fs-accent-soft:#FCEBE3;
    --fs-ink:#101E1B;
    --fs-muted:#6B7A75;
    --fs-bg:#F7F5F0;
    --fs-surface:#FFFFFF;
    --fs-line:#E4E0D7;
    --fs-gold:#C8A24A;
    --fs-r-card:14px;
    --fs-r-btn:10px;
    --fs-r-pill:999px;
    --fs-shadow:0 1px 2px rgba(16,30,27,.06);
    --fs-shadow-hover:0 10px 24px rgba(16,30,27,.10);
    --fs-header-h:110px;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
    font-size:16px;
    line-height:1.85;
    color:var(--fs-ink);
    background:var(--fs-bg);
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;height:auto;display:block;}
  a{color:inherit;text-decoration:none;}
  button,input,select,textarea{font:inherit;color:inherit;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.3;}
  p{margin:0 0 1.1em;}
  p:last-child{margin-bottom:0;}
  table{border-collapse:collapse;}
  :focus-visible{outline:2px solid var(--fs-primary-400);outline-offset:2px;border-radius:6px;}
  ::selection{background:var(--fs-accent-soft);color:var(--fs-primary);}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px;}
  @media (min-width:768px){.container{padding:0 24px;}}
  @media (min-width:1024px){.container{padding:0 32px;}}
  @media (min-width:1440px){.container{max-width:1280px;}}

  .fs-num{font-family:"Barlow Condensed",-apple-system,"PingFang SC",sans-serif;letter-spacing:.02em;text-transform:uppercase;}

  /* ---------- 顶部导航 ---------- */
  .fs-header{
    position:sticky;top:0;z-index:80;
    background:var(--fs-surface);
    border-bottom:1px solid var(--fs-line);
    transition:box-shadow .2s ease-out;
  }
  .fs-header.is-stuck{box-shadow:0 6px 20px rgba(16,30,27,.09);}
  .fs-topbar-inner{
    display:flex;align-items:center;gap:14px;
    height:64px;transition:height .2s ease-out;
  }
  .fs-header.is-stuck .fs-topbar-inner{height:56px;}
  .fs-logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
  .fs-logo-mark{
    width:36px;height:36px;flex:0 0 36px;border-radius:10px;
    background:var(--fs-primary);color:#fff;
    display:flex;align-items:center;justify-content:center;
    box-shadow:inset 0 0 0 1px rgba(255,255,255,.08);
  }
  .fs-logo-mark svg{width:20px;height:20px;}
  .fs-logo-text{display:flex;flex-direction:column;line-height:1.15;}
  .fs-logo-text strong{font-size:16px;font-weight:700;color:var(--fs-primary);letter-spacing:.01em;}
  .fs-logo-text .fs-num{font-size:10px;color:var(--fs-muted);letter-spacing:.14em;}

  .fs-nav{display:none;align-items:center;gap:2px;margin-left:8px;}
  @media (min-width:1024px){.fs-nav{display:flex;}}
  .fs-nav a{
    display:inline-block;padding:8px 12px;border-radius:8px;
    font-size:14.5px;color:var(--fs-ink);white-space:nowrap;
    transition:background .18s ease-out,color .18s ease-out;
  }
  .fs-nav a:hover{background:var(--fs-accent-soft);color:var(--fs-accent);}
  .fs-nav a.active{background:var(--fs-primary);color:#fff;font-weight:600;}

  .fs-topbar-actions{display:flex;align-items:center;gap:10px;margin-left:auto;flex-shrink:0;}
  .fs-icon-btn{
    width:38px;height:38px;border-radius:10px;border:1px solid var(--fs-line);
    background:var(--fs-surface);color:var(--fs-primary);cursor:pointer;
    display:flex;align-items:center;justify-content:center;
    transition:border-color .18s ease-out,color .18s ease-out,background .18s ease-out;
  }
  .fs-icon-btn svg{width:19px;height:19px;}
  .fs-icon-btn:hover{border-color:var(--fs-primary-400);background:var(--fs-bg);}
  .fs-icon-btn:active{transform:translateY(1px);}
  .fs-burger{
    width:38px;height:38px;border-radius:10px;border:1px solid var(--fs-line);
    background:transparent;color:var(--fs-primary);cursor:pointer;
    display:flex;align-items:center;justify-content:center;
  }
  .fs-burger svg{width:20px;height:20px;}
  .fs-burger:hover{border-color:var(--fs-primary-400);}
  @media (min-width:1024px){.fs-burger{display:none;}}

  .fs-btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:11px 20px;border-radius:var(--fs-r-btn);
    font-size:14.5px;font-weight:600;line-height:1;
    border:1px solid transparent;cursor:pointer;
    transition:background .18s ease-out,color .18s ease-out,transform .18s ease-out,border-color .18s ease-out,box-shadow .18s ease-out;
  }
  .fs-btn:active{transform:translateY(0);}
  .fs-btn-sm{padding:8px 14px;font-size:13.5px;}
  .fs-btn-accent{background:var(--fs-accent);color:#fff;}
  .fs-btn-accent:hover{background:#CE4B22;transform:translateY(-1px);box-shadow:0 8px 18px rgba(228,88,44,.26);}
  .fs-btn-primary{background:var(--fs-primary);color:#fff;}
  .fs-btn-primary:hover{background:#0C312A;transform:translateY(-1px);}
  .fs-btn-outline{border-color:var(--fs-primary-400);color:var(--fs-primary-400);background:transparent;}
  .fs-btn-outline:hover{background:var(--fs-primary-400);color:#fff;transform:translateY(-1px);}
  .fs-btn-light{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.35);}
  .fs-btn-light:hover{background:rgba(255,255,255,.20);transform:translateY(-1px);}
  .fs-btn-white{background:#fff;color:var(--fs-primary);}
  .fs-btn-white:hover{background:#F0EDE5;transform:translateY(-1px);}

  .fs-channelbar{background:var(--fs-bg);border-bottom:1px solid var(--fs-line);}
  .fs-channelbar-inner{display:flex;align-items:center;gap:16px;height:46px;}
  .fs-channels{
    display:flex;align-items:center;gap:4px;flex:1;min-width:0;
    overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
    -webkit-overflow-scrolling:touch;
  }
  .fs-channels::-webkit-scrollbar{display:none;}
  .fs-channels a{
    white-space:nowrap;font-size:14px;color:var(--fs-muted);
    padding:6px 10px;border-radius:8px;
    transition:color .18s ease-out,background .18s ease-out;
  }
  .fs-channels a:hover{color:var(--fs-primary);background:var(--fs-surface);}
  .fs-channels a.active{color:var(--fs-primary);font-weight:600;box-shadow:inset 0 -2px 0 var(--fs-accent);border-radius:0;}
  .fs-hotwords{display:none;align-items:center;gap:8px;flex-shrink:0;}
  @media (min-width:900px){.fs-hotwords{display:flex;}}
  .fs-hot-label{font-size:11px;letter-spacing:.16em;color:var(--fs-accent);font-weight:600;}
  .fs-hotwords a{
    font-size:12.5px;padding:4px 11px;border-radius:var(--fs-r-pill);
    background:var(--fs-accent-soft);color:var(--fs-primary);
    transition:background .18s ease-out,color .18s ease-out;
  }
  .fs-hotwords a:hover{background:var(--fs-accent);color:#fff;}

  /* ---------- 移动抽屉 ---------- */
  .fs-overlay{
    position:fixed;inset:0;background:rgba(10,43,37,.55);
    opacity:0;visibility:hidden;transition:opacity .24s ease-out,visibility .24s ease-out;z-index:110;
  }
  .fs-overlay.is-open{opacity:1;visibility:visible;}
  .fs-drawer{
    position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);
    background:var(--fs-surface);z-index:120;
    transform:translateX(100%);transition:transform .24s ease-out;
    padding:20px;overflow-y:auto;display:flex;flex-direction:column;gap:18px;
  }
  .fs-drawer.is-open{transform:translateX(0);}
  .fs-drawer-head{display:flex;align-items:center;justify-content:space-between;}
  .fs-drawer-head strong{font-size:15px;color:var(--fs-primary);}
  .fs-drawer-close{
    width:34px;height:34px;border-radius:9px;border:1px solid var(--fs-line);
    background:transparent;color:var(--fs-primary);cursor:pointer;
    display:flex;align-items:center;justify-content:center;
  }
  .fs-drawer-close:hover{border-color:var(--fs-primary-400);}
  .fs-drawer-search{display:flex;gap:8px;}
  .fs-drawer-search input{
    flex:1;min-width:0;height:42px;border-radius:10px;border:1px solid var(--fs-line);
    padding:0 12px;font-size:14px;background:var(--fs-bg);
  }
  .fs-drawer-search input:focus{border-color:var(--fs-primary);background:#fff;}
  .fs-drawer-nav{display:flex;flex-direction:column;gap:2px;}
  .fs-drawer-nav a{
    padding:11px 12px;border-radius:9px;font-size:15px;color:var(--fs-ink);
    transition:background .18s ease-out,color .18s ease-out;
  }
  .fs-drawer-nav a:hover{background:var(--fs-accent-soft);color:var(--fs-accent);}
  .fs-drawer-nav a.active{background:var(--fs-primary);color:#fff;font-weight:600;}
  .fs-drawer-hot{display:flex;flex-wrap:wrap;gap:8px;}

  /* ---------- Hero ---------- */
  .fs-hero{position:relative;overflow:hidden;background:var(--fs-primary);color:#fff;}
  .fs-hero-bg{
    position:absolute;inset:0;
    background-image:url(/assets/images/backpic/back-1.webp);
    background-size:cover;background-position:center;
  }
  .fs-hero-veil{
    position:absolute;inset:0;
    background:linear-gradient(100deg,rgba(15,59,51,.95) 0%,rgba(15,59,51,.84) 46%,rgba(10,43,37,.62) 100%);
  }
  .fs-hero-inner{position:relative;padding:34px 0 38px;}
  @media (min-width:768px){.fs-hero-inner{padding:46px 0 52px;}}
  @media (min-width:1024px){.fs-hero-inner{padding:54px 0 60px;}}
  .fs-crumb{
    display:flex;flex-wrap:wrap;align-items:center;gap:8px;
    font-size:13px;color:rgba(255,255,255,.68);margin-bottom:20px;
  }
  .fs-crumb a{transition:color .18s ease-out;}
  .fs-crumb a:hover{color:#fff;}
  .fs-crumb span.sep{color:rgba(255,255,255,.4);}
  .fs-crumb .current{color:#fff;}
  .fs-badge{
    display:inline-flex;align-items:center;gap:8px;
    padding:5px 12px;border-radius:var(--fs-r-pill);
    background:rgba(228,88,44,.18);
    border:1px solid rgba(228,88,44,.42);
    font-size:12px;letter-spacing:.08em;color:#FFD9C8;
    margin-bottom:18px;
  }
  .fs-hero-title{
    font-size:clamp(28px,4vw,44px);line-height:1.22;font-weight:700;
    max-width:20em;letter-spacing:.005em;
  }
  .fs-hero-title em{font-style:normal;color:#FFC7AE;}
  .fs-hero-lead{
    margin-top:14px;max-width:44em;
    font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.86);
  }
  .fs-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
  .fs-stats{
    display:grid;grid-template-columns:repeat(2,minmax(0,1fr));
    gap:14px 10px;margin-top:30px;padding-top:22px;
    border-top:1px solid rgba(255,255,255,.16);
  }
  @media (min-width:768px){.fs-stats{grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;}}
  .fs-stat{padding-left:14px;border-left:1px solid rgba(255,255,255,.18);}
  .fs-stat:first-child{border-left:0;padding-left:0;}
  @media (min-width:768px){
    .fs-stat{border-left:1px solid rgba(255,255,255,.18);padding-left:16px;}
    .fs-stat:first-child{border-left:0;padding-left:0;}
  }
  .fs-stat-num{display:block;font-size:26px;font-weight:700;color:#fff;line-height:1.1;}
  .fs-stat-label{display:block;font-size:12.5px;color:rgba(255,255,255,.7);margin-top:4px;}

  .fs-chips{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px;}
  .fs-chip{
    display:inline-flex;align-items:center;gap:6px;
    padding:6px 13px;border-radius:var(--fs-r-pill);
    background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.18);
    font-size:13px;color:rgba(255,255,255,.9);
    transition:background .18s ease-out,border-color .18s ease-out,color .18s ease-out;
  }
  .fs-chip:hover{background:rgba(255,255,255,.2);border-color:rgba(255,255,255,.4);color:#fff;}

  /* ---------- 通用板块 ---------- */
  .fs-section{padding:48px 0;}
  @media (min-width:768px){.fs-section{padding:64px 0;}}
  @media (min-width:1024px){.fs-section{padding:84px 0;}}
  .fs-section-alt{background:var(--fs-surface);border-top:1px solid var(--fs-line);border-bottom:1px solid var(--fs-line);}
  .fs-eyebrow{
    display:inline-flex;align-items:center;gap:8px;
    font-size:12px;letter-spacing:.16em;color:var(--fs-accent);font-weight:600;margin-bottom:12px;
  }
  .fs-eyebrow::before{content:"";width:22px;height:3px;background:var(--fs-accent);border-radius:2px;}
  .fs-h2{font-size:clamp(22px,2.6vw,32px);line-height:1.3;color:var(--fs-primary);}
  .fs-section-head{max-width:46em;margin-bottom:30px;}
  .fs-section-head p{margin-top:12px;font-size:15.5px;color:var(--fs-muted);line-height:1.85;}

  /* ---------- 主体：粘性目录 + 编号要点 ---------- */
  .fs-main-grid{display:grid;gap:32px;}
  @media (min-width:1024px){.fs-main-grid{grid-template-columns:290px minmax(0,1fr);gap:56px;}}
  .fs-toc{
    background:var(--fs-surface);border:1px solid var(--fs-line);
    border-radius:var(--fs-r-card);padding:20px;
  }
  @media (min-width:1024px){
    .fs-toc{position:sticky;top:128px;max-height:calc(100vh - 160px);overflow-y:auto;}
  }
  .fs-toc-title{
    font-size:12px;letter-spacing:.16em;color:var(--fs-muted);font-weight:600;
    padding-bottom:12px;border-bottom:1px solid var(--fs-line);margin-bottom:12px;
  }
  .fs-toc-list{display:flex;flex-direction:column;gap:2px;}
  .fs-toc-list a{
    display:flex;align-items:baseline;gap:10px;
    padding:8px 10px;border-radius:8px;font-size:14px;color:var(--fs-muted);
    border-left:3px solid transparent;
    transition:color .18s ease-out,background .18s ease-out,border-color .18s ease-out;
  }
  .fs-toc-list a .idx{font-size:12px;color:var(--fs-primary-400);min-width:18px;}
  .fs-toc-list a:hover{background:var(--fs-bg);color:var(--fs-primary);}
  .fs-toc-list a.is-current{background:var(--fs-accent-soft);color:var(--fs-primary);border-left-color:var(--fs-accent);font-weight:600;}
  .fs-toc-foot{margin-top:16px;padding-top:16px;border-top:1px solid var(--fs-line);}
  .fs-toc-foot p{font-size:12.5px;line-height:1.75;color:var(--fs-muted);margin-bottom:12px;}

  .fs-point{
    display:grid;grid-template-columns:44px minmax(0,1fr);gap:14px;
    padding:24px 0;border-bottom:1px solid var(--fs-line);
    scroll-margin-top:132px;
    transition:background .18s ease-out;
  }
  @media (min-width:768px){.fs-point{grid-template-columns:62px minmax(0,1fr);gap:20px;padding:28px 0;}}
  .fs-point:first-of-type{padding-top:8px;border-top:1px solid var(--fs-line);}
  .fs-point-num{
    font-family:"Barlow Condensed",sans-serif;
    font-size:30px;font-weight:700;line-height:1;color:var(--fs-accent);letter-spacing:.04em;
  }
  @media (min-width:768px){.fs-point-num{font-size:36px;}}
  .fs-point-title{font-size:18.5px;font-weight:600;color:var(--fs-primary);line-height:1.45;}
  @media (min-width:768px){.fs-point-title{font-size:19px;}}
  .fs-point-text{margin-top:10px;font-size:15px;line-height:1.85;color:var(--fs-muted);}
  .fs-point-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
  .fs-tag{
    display:inline-block;padding:3px 10px;border-radius:var(--fs-r-pill);
    background:var(--fs-accent-soft);color:var(--fs-primary);font-size:12px;
  }
  .fs-tag-plain{
    background:var(--fs-bg);border:1px solid var(--fs-line);color:var(--fs-muted);
  }

  /* ---------- 图文 + 对照 ---------- */
  .fs-figure{border-radius:12px;overflow:hidden;border:1px solid var(--fs-line);background:linear-gradient(140deg,#0F3B33,#0A2B25);}
  .fs-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;}
  .fs-spec{border-top:1px solid var(--fs-line);margin-top:6px;}
  .fs-spec-row{
    display:grid;gap:6px;padding:18px 0;border-bottom:1px solid var(--fs-line);
  }
  @media (min-width:768px){
    .fs-spec-row{grid-template-columns:210px minmax(0,1fr);gap:24px;align-items:baseline;}
  }
  .fs-spec-term{font-size:15.5px;font-weight:600;color:var(--fs-primary);}
  .fs-spec-desc{font-size:15px;line-height:1.8;color:var(--fs-muted);}
  .fs-split{display:grid;gap:28px;}
  @media (min-width:1024px){.fs-split{grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:44px;align-items:start;}}

  /* ---------- 流程 ---------- */
  .fs-steps{display:grid;gap:20px;}
  @media (min-width:768px){.fs-steps{grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}}
  .fs-step{
    border-left:3px solid var(--fs-accent);
    padding:4px 0 4px 18px;
  }
  .fs-step-num{
    font-family:"Barlow Condensed",sans-serif;font-size:14px;letter-spacing:.14em;
    color:var(--fs-primary-400);font-weight:600;
  }
  .fs-step-title{font-size:17px;font-weight:600;color:var(--fs-primary);margin-top:6px;}
  .fs-step-text{font-size:14.5px;line-height:1.8;color:var(--fs-muted);margin-top:8px;}

  /* ---------- FAQ ---------- */
  .fs-faq{max-width:860px;}
  .fs-faq-item{
    background:var(--fs-surface);border:1px solid var(--fs-line);border-radius:12px;
    margin-bottom:12px;overflow:hidden;
    transition:border-color .2s ease-out,box-shadow .2s ease-out;
  }
  .fs-faq-item:hover{border-color:var(--fs-primary-400);box-shadow:var(--fs-shadow);}
  .fs-faq-item.is-open{border-color:var(--fs-primary-400);box-shadow:var(--fs-shadow);}
  .fs-faq-q{
    width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
    padding:16px 18px;background:none;border:0;text-align:left;
    font-size:16px;font-weight:600;color:var(--fs-ink);cursor:pointer;line-height:1.6;
  }
  .fs-faq-sign{font-size:20px;line-height:1;color:var(--fs-primary-400);flex-shrink:0;margin-top:2px;}
  .fs-faq-a{max-height:0;overflow:hidden;opacity:0;transition:max-height .26s ease-out,opacity .26s ease-out;}
  .fs-faq-item.is-open .fs-faq-a{opacity:1;}
  .fs-faq-a-inner{
    font-size:14.5px;line-height:1.85;color:var(--fs-muted);
    padding:0 18px 18px 18px;
  }
  .fs-faq-item.is-open .fs-faq-a-inner{
    border-left:3px solid var(--fs-accent);
    margin-left:18px;padding-left:15px;
  }

  /* ---------- CTA ---------- */
  .fs-cta{
    position:relative;overflow:hidden;
    background:var(--fs-primary);color:#fff;
    border-radius:16px;padding:30px 22px;
  }
  @media (min-width:768px){.fs-cta{padding:44px 40px;}}
  .fs-cta::after{
    content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;
    border-radius:50%;background:radial-gradient(circle,rgba(228,88,44,.30),transparent 68%);
    pointer-events:none;
  }
  .fs-cta h2{font-size:clamp(21px,2.4vw,30px);line-height:1.3;position:relative;z-index:1;}
  .fs-cta p{margin-top:12px;font-size:15px;line-height:1.85;color:rgba(255,255,255,.82);max-width:46em;position:relative;z-index:1;}
  .fs-form{
    display:flex;flex-direction:column;gap:12px;margin-top:24px;position:relative;z-index:1;
  }
  @media (min-width:640px){.fs-form{flex-direction:row;max-width:620px;}}
  .fs-input{
    flex:1;min-width:0;height:46px;border-radius:10px;
    border:1px solid var(--fs-line);background:#fff;color:var(--fs-ink);
    padding:0 14px;font-size:14.5px;
    transition:border-color .18s ease-out,box-shadow .18s ease-out;
  }
  .fs-input::placeholder{color:#9AA6A1;}
  .fs-input:focus{outline:none;border-color:var(--fs-primary-400);box-shadow:0 0 0 3px rgba(46,122,106,.20);}
  .fs-form .fs-btn{white-space:nowrap;}
  @media (max-width:639px){.fs-form .fs-btn{width:100%;}}
  .fs-form-note{margin-top:12px;font-size:12px;color:rgba(255,255,255,.62);position:relative;z-index:1;}
  .fs-form-msg{margin-top:10px;font-size:13px;color:#FFC7AE;position:relative;z-index:1;min-height:18px;}

  /* ---------- 页脚 ---------- */
  .fs-footer{background:var(--fs-primary-700);color:rgba(255,255,255,.78);padding:48px 0 24px;}
  @media (min-width:1024px){.fs-footer{padding:64px 0 26px;}}
  .fs-footer-grid{display:grid;gap:30px;}
  @media (min-width:768px){.fs-footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:36px;}}
  @media (min-width:1024px){.fs-footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}}
  .fs-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
  .fs-footer-brand .fs-logo-mark{background:rgba(255,255,255,.10);box-shadow:inset 0 0 0 1px rgba(255,255,255,.14);}
  .fs-footer-brand strong{color:#fff;font-size:16px;}
  .fs-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);}
  .fs-footer h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:14px;}
  .fs-footer-links{display:flex;flex-direction:column;gap:9px;}
  .fs-footer-links a{
    font-size:14px;color:rgba(255,255,255,.70);
    transition:color .18s ease-out,transform .18s ease-out;
  }
  .fs-footer-links a:hover{color:var(--fs-accent);transform:translateX(2px);}
  .fs-footer-bottom{
    margin-top:36px;padding-top:18px;border-top:1px solid rgba(255,255,255,.14);
    display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;
    font-size:12px;color:rgba(255,255,255,.55);
  }

  @media (prefers-reduced-motion:reduce){
    *{animation-duration:.001ms !important;transition-duration:.001ms !important;}
    html{scroll-behavior:auto;}
  }

/* roulang page: category4 */
:root{
  --fs-primary:#0F3B33;
  --fs-primary-700:#0A2B25;
  --fs-primary-400:#2E7A6A;
  --fs-accent:#E4582C;
  --fs-accent-soft:#FCEBE3;
  --fs-ink:#101E1B;
  --fs-muted:#6B7A75;
  --fs-bg:#F7F5F0;
  --fs-surface:#FFFFFF;
  --fs-line:#E4E0D7;
  --fs-gold:#C8A24A;
  --fs-radius-card:14px;
  --fs-radius-btn:10px;
  --fs-radius-pill:999px;
  --fs-shadow-1:0 1px 2px rgba(16,30,27,.06);
  --fs-shadow-2:0 10px 24px rgba(16,30,27,.10);
  --fs-ease:200ms ease-out;
  --fs-font-num:"Barlow Condensed","Oswald","PingFang SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{margin:0;padding:0}
.fs-body{
  font-family:-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  background:var(--fs-bg);
  color:var(--fs-ink);
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input{font:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p,figure{margin:0}
svg{display:block}
:focus-visible{outline:2px solid var(--fs-primary-400);outline-offset:2px}

.fs-num{font-family:var(--fs-font-num);letter-spacing:.02em;text-transform:uppercase}

body .container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:16px;
  padding-right:16px;
}
@media (min-width:768px){
  body .container{padding-left:24px;padding-right:24px}
}
@media (min-width:1024px){
  body .container{padding-left:32px;padding-right:32px}
}

/* ---------- 按钮 ---------- */
.fs-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:46px;
  padding:0 22px;
  border-radius:var(--fs-radius-btn);
  font-size:15px;
  font-weight:600;
  white-space:nowrap;
  transition:background-color var(--fs-ease),color var(--fs-ease),transform var(--fs-ease),box-shadow var(--fs-ease),border-color var(--fs-ease);
}
.fs-btn-sm{height:38px;padding:0 15px;font-size:14px}
.fs-btn-accent{background:var(--fs-accent);color:#fff;box-shadow:0 6px 14px rgba(228,88,44,.22)}
.fs-btn-accent:hover{background:#D14D23;transform:translateY(-1px)}
.fs-btn-accent:active{transform:translateY(0)}
.fs-btn-ghost{border:1px solid rgba(255,255,255,.55);color:#fff;background:transparent}
.fs-btn-ghost:hover{background:rgba(255,255,255,.12);border-color:#fff}
.fs-btn-outline{border:1px solid var(--fs-primary-400);color:var(--fs-primary);background:transparent}
.fs-btn-outline:hover{background:rgba(46,122,106,.09);transform:translateY(-1px)}
.fs-btn:disabled{opacity:.72;cursor:default;transform:none}

.fs-icon-btn{
  width:38px;height:38px;border-radius:var(--fs-radius-btn);
  display:grid;place-items:center;
  color:var(--fs-primary);
  border:1px solid var(--fs-line);
  background:var(--fs-surface);
  transition:background-color var(--fs-ease),color var(--fs-ease),border-color var(--fs-ease);
}
.fs-icon-btn:hover{background:var(--fs-accent-soft);border-color:var(--fs-accent);color:var(--fs-accent)}
.fs-icon-btn svg{width:20px;height:20px}

/* ---------- 头部导航 ---------- */
.fs-header{
  position:sticky;
  top:0;
  z-index:70;
  background:var(--fs-surface);
  border-bottom:1px solid var(--fs-line);
  transition:box-shadow var(--fs-ease);
}
.fs-header.is-stuck{box-shadow:0 8px 24px rgba(16,30,27,.09)}
.fs-topbar-inner{
  display:flex;
  align-items:center;
  gap:14px;
  min-height:64px;
  padding-top:8px;
  padding-bottom:8px;
}
.fs-logo{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.fs-logo-mark{
  width:40px;height:40px;border-radius:12px;
  background:linear-gradient(140deg,var(--fs-primary),var(--fs-primary-400));
  color:#fff;display:grid;place-items:center;flex:0 0 auto;
}
.fs-logo-mark svg{width:22px;height:22px}
.fs-logo-text{display:flex;flex-direction:column;gap:1px;min-width:0}
.fs-logo-text strong{
  font-size:16px;font-weight:700;color:var(--fs-primary);
  letter-spacing:.01em;white-space:nowrap;
}
.fs-logo-text .fs-num{font-size:11px;color:var(--fs-muted);font-weight:500}

.fs-nav{display:none}
@media (min-width:1024px){
  .fs-nav{display:flex;align-items:center;gap:2px;margin-left:14px}
}
.fs-nav a{
  padding:8px 12px;border-radius:var(--fs-radius-btn);
  font-size:15px;color:#3B4A45;white-space:nowrap;
  transition:background-color var(--fs-ease),color var(--fs-ease);
}
.fs-nav a:hover{background:var(--fs-accent-soft);color:var(--fs-primary)}
.fs-nav a.active{color:var(--fs-primary);font-weight:600;background:rgba(46,122,106,.11)}

.fs-topbar-actions{display:flex;align-items:center;gap:8px;margin-left:auto}
@media (max-width:767px){
  .fs-topbar-actions .fs-btn-accent{display:none}
}
@media (max-width:420px){
  .fs-logo-text strong{font-size:14px}
  .fs-logo-mark{width:36px;height:36px;border-radius:10px}
}
@media (min-width:1024px){
  .fs-burger{display:none}
}
.fs-burger{
  width:38px;height:38px;border-radius:var(--fs-radius-btn);
  display:grid;place-items:center;border:1px solid var(--fs-line);
  color:var(--fs-primary);background:var(--fs-surface);
  transition:background-color var(--fs-ease),border-color var(--fs-ease);
}
.fs-burger:hover{background:var(--fs-accent-soft);border-color:var(--fs-accent);color:var(--fs-accent)}
.fs-burger svg{width:20px;height:20px}

.fs-channelbar{background:#FBF9F5;border-top:1px solid var(--fs-line)}
.fs-channelbar-inner{display:flex;align-items:center;gap:16px;min-height:46px}
.fs-channels{
  display:flex;align-items:center;gap:20px;
  overflow-x:auto;flex:1 1 auto;
  scrollbar-width:none;-ms-overflow-style:none;
}
.fs-channels::-webkit-scrollbar{display:none}
.fs-channels a{
  position:relative;
  font-size:14px;color:#3F4C48;white-space:nowrap;
  padding:12px 0;
  border-bottom:2px solid transparent;
  transition:color var(--fs-ease),border-color var(--fs-ease);
}
.fs-channels a:hover{color:var(--fs-accent)}
.fs-channels a.active{color:var(--fs-primary);font-weight:600;border-color:var(--fs-accent)}
.fs-hotwords{display:none;align-items:center;gap:8px;margin-left:auto;flex:0 0 auto}
@media (min-width:960px){.fs-hotwords{display:flex}}
.fs-hot-label{font-size:11px;letter-spacing:.08em;color:var(--fs-muted);font-weight:600}
.fs-hot{
  font-size:12px;padding:4px 11px;border-radius:var(--fs-radius-pill);
  background:var(--fs-accent-soft);color:#B23F1B;white-space:nowrap;
  transition:background-color var(--fs-ease),color var(--fs-ease);
}
.fs-hot:hover{background:var(--fs-accent);color:#fff}

/* ---------- 移动抽屉 ---------- */
.fs-drawer{position:fixed;inset:0;z-index:90;visibility:hidden;pointer-events:none}
.fs-drawer.is-open{visibility:visible;pointer-events:auto}
.fs-drawer-mask{
  position:absolute;inset:0;background:rgba(10,43,37,.58);
  opacity:0;transition:opacity var(--fs-ease);
}
.fs-drawer.is-open .fs-drawer-mask{opacity:1}
.fs-drawer-panel{
  position:absolute;top:0;right:0;height:100%;
  width:min(86vw,344px);
  background:var(--fs-surface);
  transform:translateX(100%);
  transition:transform 220ms ease-out;
  padding:18px 18px 28px;
  display:flex;flex-direction:column;gap:18px;
  overflow-y:auto;
}
.fs-drawer.is-open .fs-drawer-panel{transform:translateX(0)}
.fs-drawer-head{display:flex;align-items:center;justify-content:space-between}
.fs-drawer-head .fs-num{font-size:12px;color:var(--fs-muted);font-weight:600;letter-spacing:.14em}
.fs-drawer-search input{
  width:100%;height:46px;border-radius:var(--fs-radius-btn);
  border:1px solid var(--fs-line);background:var(--fs-bg);
  padding:0 14px;font-size:15px;color:var(--fs-ink);
  transition:border-color var(--fs-ease),box-shadow var(--fs-ease);
}
.fs-drawer-search input:focus{outline:none;border-color:var(--fs-primary-400);box-shadow:0 0 0 3px rgba(46,122,106,.16)}
.fs-drawer-nav{display:flex;flex-direction:column;gap:2px}
.fs-drawer-nav a{
  padding:12px 12px;border-radius:var(--fs-radius-btn);
  font-size:15px;color:#3B4A45;
  border-bottom:1px solid var(--fs-line);
  transition:background-color var(--fs-ease),color var(--fs-ease);
}
.fs-drawer-nav a:last-child{border-bottom:0}
.fs-drawer-nav a:hover{background:var(--fs-accent-soft);color:var(--fs-primary)}
.fs-drawer-nav a.active{color:var(--fs-primary);font-weight:600;background:rgba(46,122,106,.11)}
.fs-drawer-hot{display:flex;flex-wrap:wrap;align-items:center;gap:8px}

/* ---------- Hero ---------- */
.fs-hero{position:relative;overflow:hidden;background:var(--fs-primary)}
.fs-hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center 32%;
}
.fs-hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(10,43,37,.94) 0%,rgba(15,59,51,.86) 48%,rgba(15,59,51,.62) 100%);
}
.fs-hero-inner{position:relative;z-index:1;padding-top:40px;padding-bottom:44px}
@media (min-width:768px){
  .fs-hero-inner{padding-top:60px;padding-bottom:64px}
}
.fs-crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.7);margin-bottom:20px;
}
.fs-crumb a{transition:color var(--fs-ease)}
.fs-crumb a:hover{color:#fff}
.fs-crumb .sep{opacity:.5}
.fs-crumb .current{color:#fff}
.fs-hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;color:#F7E2D9;
  background:rgba(228,88,44,.22);
  border:1px solid rgba(228,88,44,.5);
  border-radius:var(--fs-radius-pill);
  padding:6px 13px;margin-bottom:18px;
}
.fs-hero h1{
  font-size:clamp(28px,4vw,44px);
  line-height:1.22;font-weight:700;color:#fff;
  max-width:840px;letter-spacing:.01em;
}
.fs-hero-sub{
  margin-top:16px;font-size:17px;line-height:1.75;
  color:rgba(255,255,255,.82);max-width:640px;
}
.fs-hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.fs-hero-stats{
  display:grid;grid-template-columns:repeat(2,1fr);gap:18px 20px;
  margin-top:34px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.16);
}
@media (min-width:768px){
  .fs-hero-stats{grid-template-columns:repeat(4,1fr);gap:0;padding-top:26px}
}
.fs-stat{min-width:0}
.fs-stat b{
  display:block;font-family:var(--fs-font-num);
  font-size:32px;line-height:1;font-weight:600;
  color:#fff;letter-spacing:.02em;
}
.fs-stat span{display:block;margin-top:8px;font-size:13px;line-height:1.6;color:rgba(255,255,255,.7)}
@media (min-width:768px){
  .fs-stat{padding:0 18px;border-left:1px solid rgba(255,255,255,.16)}
  .fs-stat:first-child{border-left:0;padding-left:0}
}

/* ---------- 状态条 ---------- */
.fs-status{background:var(--fs-surface);border-bottom:1px solid var(--fs-line)}
.fs-status-inner{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px 22px;
  padding-top:13px;padding-bottom:13px;
  font-size:13px;line-height:1.7;color:var(--fs-muted);
}
.fs-status-item{display:inline-flex;align-items:center;gap:8px;min-width:0}
.fs-status strong{color:var(--fs-primary);font-weight:600}
.fs-dot{
  width:8px;height:8px;border-radius:50%;flex:0 0 auto;
  background:var(--fs-accent);
  animation:fsPulse 2.4s ease-out infinite;
}
@keyframes fsPulse{
  0%{box-shadow:0 0 0 0 rgba(228,88,44,.48)}
  70%{box-shadow:0 0 0 7px rgba(228,88,44,0)}
  100%{box-shadow:0 0 0 0 rgba(228,88,44,0)}
}

/* ---------- 板块通用 ---------- */
.fs-section{padding-top:44px;padding-bottom:44px}
@media (min-width:768px){.fs-section{padding-top:64px;padding-bottom:64px}}
@media (min-width:1024px){.fs-section{padding-top:86px;padding-bottom:86px}}
.fs-section-alt{background:#FBF9F5;border-top:1px solid var(--fs-line);border-bottom:1px solid var(--fs-line)}
.fs-section-head{
  display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;
  gap:14px;margin-bottom:30px;
}
.fs-eyebrow{
  display:inline-block;font-size:12px;letter-spacing:.14em;
  color:var(--fs-accent);font-weight:600;margin-bottom:10px;
}
.fs-h2{
  position:relative;
  font-size:clamp(22px,2.6vw,32px);
  line-height:1.3;font-weight:700;color:var(--fs-primary);
  padding-left:15px;
}
.fs-h2::before{
  content:"";position:absolute;left:0;top:.22em;
  width:4px;height:20px;border-radius:2px;background:var(--fs-accent);
}
.fs-lead{margin-top:10px;font-size:15px;line-height:1.8;color:var(--fs-muted);max-width:680px}
.fs-head-link{
  font-size:14px;font-weight:600;color:var(--fs-primary-400);
  display:inline-flex;align-items:center;gap:6px;
  border-bottom:1px dotted var(--fs-primary-400);
  transition:color var(--fs-ease),border-color var(--fs-ease);
}
.fs-head-link:hover{color:var(--fs-accent);border-color:var(--fs-accent)}

/* ---------- 时间轴 ---------- */
.fs-timeline{position:relative}
.fs-tl-item{
  display:grid;grid-template-columns:52px 1fr;gap:14px;
  position:relative;padding-bottom:22px;
}
@media (min-width:768px){
  .fs-tl-item{grid-template-columns:84px 1fr;gap:24px;padding-bottom:28px}
}
.fs-tl-item:last-child{padding-bottom:0}
.fs-tl-item::after{
  content:"";position:absolute;left:25px;top:54px;bottom:-8px;
  width:1px;background:var(--fs-line);
}
@media (min-width:768px){
  .fs-tl-item::after{left:41px;top:66px}
}
.fs-tl-item:last-child::after{display:none}
.fs-tl-index{
  font-family:var(--fs-font-num);
  font-size:34px;line-height:1;font-weight:600;
  color:var(--fs-primary);text-align:center;
  padding-top:6px;letter-spacing:.02em;
}
@media (min-width:768px){.fs-tl-index{font-size:46px;padding-top:8px}}
.fs-tl-card{
  background:var(--fs-surface);
  border:1px solid var(--fs-line);
  border-radius:var(--fs-radius-card);
  padding:18px 20px;
  box-shadow:var(--fs-shadow-1);
  transition:transform var(--fs-ease),box-shadow var(--fs-ease),border-color var(--fs-ease);
}
.fs-tl-card:hover{transform:translateY(-4px);box-shadow:var(--fs-shadow-2);border-color:var(--fs-primary-400)}
.fs-tl-meta{display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:10px}
.fs-tl-card h3{font-size:19px;font-weight:600;line-height:1.45;color:var(--fs-ink)}
.fs-tl-card p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--fs-muted)}
.fs-tl-link{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:12px;font-size:14px;font-weight:600;
  color:var(--fs-primary-400);
  transition:color var(--fs-ease);
}
.fs-tl-link:hover{color:var(--fs-accent)}
.fs-badge{
  display:inline-flex;align-items:center;
  font-size:12px;padding:3px 10px;border-radius:var(--fs-radius-pill);
  background:var(--fs-bg);border:1px solid var(--fs-line);
  color:var(--fs-muted);white-space:nowrap;
}
.fs-badge-primary{
  background:rgba(46,122,106,.11);
  border-color:rgba(46,122,106,.24);
  color:var(--fs-primary);font-weight:600;
}
.fs-badge-date{font-family:var(--fs-font-num);letter-spacing:.04em;background:#fff}
.fs-tl-media{position:relative;padding-left:66px;padding-bottom:24px}
@media (min-width:768px){.fs-tl-media{padding-left:108px;padding-bottom:28px}}
.fs-tl-media::before{
  content:"";position:absolute;left:25px;top:-8px;bottom:26px;
  width:1px;background:var(--fs-line);
}
@media (min-width:768px){.fs-tl-media::before{left:41px}}
.fs-tl-media figure{
  border-radius:12px;overflow:hidden;
  border:1px solid var(--fs-line);
  background:linear-gradient(140deg,var(--fs-primary),var(--fs-primary-700));
  box-shadow:var(--fs-shadow-1);
}
.fs-tl-media img{width:100%;aspect-ratio:16/9;object-fit:cover}
.fs-tl-media figcaption{
  font-size:13px;line-height:1.6;color:var(--fs-muted);
  padding:10px 14px;background:var(--fs-surface);
}

/* ---------- 步骤卡 ---------- */
.fs-steps{display:grid;grid-template-columns:1fr;gap:18px}
@media (min-width:640px){.fs-steps{grid-template-columns:repeat(2,1fr);gap:20px}}
@media (min-width:1024px){.fs-steps{grid-template-columns:repeat(3,1fr)}}
.fs-step{
  background:var(--fs-surface);
  border:1px solid var(--fs-line);
  border-radius:var(--fs-radius-card);
  padding:22px;
  box-shadow:var(--fs-shadow-1);
  transition:transform var(--fs-ease),box-shadow var(--fs-ease),border-color var(--fs-ease);
}
.fs-step:hover{transform:translateY(-4px);box-shadow:var(--fs-shadow-2);border-color:var(--fs-primary-400)}
.fs-step-num{
  display:block;font-family:var(--fs-font-num);
  font-size:34px;line-height:1;font-weight:600;
  color:var(--fs-accent);margin-bottom:12px;letter-spacing:.02em;
}
.fs-step h3{font-size:18px;font-weight:600;color:var(--fs-primary);line-height:1.45}
.fs-step p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--fs-muted)}

/* ---------- FAQ ---------- */
.fs-faq-list{display:grid;gap:12px;max-width:880px}
.fs-faq-item{
  background:var(--fs-surface);
  border:1px solid var(--fs-line);
  border-radius:12px;
  overflow:hidden;
  transition:border-color var(--fs-ease);
}
.fs-faq-item[open]{border-color:rgba(46,122,106,.42)}
.fs-faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:16px 18px;
  font-size:16px;font-weight:600;line-height:1.6;color:var(--fs-ink);
  transition:background-color var(--fs-ease),box-shadow var(--fs-ease);
}
.fs-faq-item summary::-webkit-details-marker{display:none}
.fs-faq-item summary:hover{background:var(--fs-bg)}
.fs-faq-item[open] summary{box-shadow:inset 3px 0 0 var(--fs-accent)}
.fs-faq-mark{font-size:0;line-height:1;flex:0 0 auto;color:var(--fs-primary-400)}
.fs-faq-mark::before{content:"+";font-size:21px;line-height:1}
.fs-faq-item[open] .fs-faq-mark::before{content:"−";color:var(--fs-accent)}
.fs-faq-body{
  margin:0 18px 18px;
  padding-top:14px;
  border-top:1px solid var(--fs-line);
  font-size:14px;line-height:1.8;color:var(--fs-muted);
}

/* ---------- CTA ---------- */
.fs-cta{
  background:linear-gradient(135deg,var(--fs-primary) 0%,var(--fs-primary-700) 100%);
  color:#fff;padding:48px 0;
}
@media (min-width:1024px){.fs-cta{padding:74px 0}}
.fs-cta-inner{display:grid;grid-template-columns:1fr;gap:28px;align-items:center}
@media (min-width:1024px){.fs-cta-inner{grid-template-columns:1.05fr .95fr;gap:48px}}
.fs-eyebrow-light{color:#F2B29A}
.fs-cta h2{font-size:clamp(22px,2.6vw,30px);line-height:1.32;font-weight:700;color:#fff}
.fs-cta p{margin-top:12px;font-size:15px;line-height:1.8;color:rgba(255,255,255,.78);max-width:520px}
.fs-sub-form{display:flex;flex-direction:column;gap:12px}
@media (min-width:560px){.fs-sub-form{flex-direction:row;align-items:center}}
.fs-sub-form input{
  flex:1 1 auto;min-width:0;height:46px;
  border-radius:var(--fs-radius-btn);
  border:1px solid var(--fs-line);
  background:#fff;padding:0 14px;
  font-size:15px;color:var(--fs-ink);
  transition:border-color var(--fs-ease),box-shadow var(--fs-ease);
}
.fs-sub-form input::placeholder{color:#9AA8A3}
.fs-sub-form input:focus{outline:none;border-color:var(--fs-primary-400);box-shadow:0 0 0 3px rgba(46,122,106,.20)}
.fs-sub-form .fs-btn{flex:0 0 auto}
@media (max-width:559px){.fs-sub-form .fs-btn{width:100%}}
.fs-form-note{font-size:12px;line-height:1.7;color:rgba(255,255,255,.62);margin-top:12px}

/* ---------- 页脚 ---------- */
.fs-footer{background:var(--fs-primary-700);color:rgba(255,255,255,.72);padding:48px 0 0;font-size:14px}
@media (min-width:768px){.fs-footer{padding-top:66px}}
.fs-footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
@media (min-width:768px){.fs-footer-grid{grid-template-columns:repeat(2,1fr)}}
@media (min-width:1024px){.fs-footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}}
.fs-footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.fs-footer-brand .fs-logo-mark{
  width:36px;height:36px;border-radius:10px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);
}
.fs-footer-brand strong{color:#fff;font-size:16px}
.fs-footer h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:14px}
.fs-footer p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.68)}
.fs-footer-links{display:flex;flex-direction:column;gap:10px}
.fs-footer-links a{
  font-size:14px;color:rgba(255,255,255,.72);
  transition:color var(--fs-ease);
}
.fs-footer-links a:hover{color:var(--fs-accent)}
.fs-footer-bottom{
  display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;
  margin-top:36px;padding:18px 0;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:12px;line-height:1.7;color:rgba(255,255,255,.55);
}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important;scroll-behavior:auto !important}
}