/* roulang page: index */
:root{
  --c-ink:#16211F;
  --c-ink-2:#5F6F6A;
  --c-line:#E2E6E3;
  --c-bg:#F7F6F3;
  --c-surface:#FFFFFF;
  --c-surface-2:#EEF4F1;
  --c-primary:#0F6B5C;
  --c-primary-d:#0A4F44;
  --c-accent:#F08A24;
  --c-accent-d:#D9760F;
  --c-accent-soft:#FDF0E1;
  --c-ok:#2E9E6B;
  --r-s:8px;--r-m:14px;--r-l:22px;--r-pill:999px;
  --sh-1:0 1px 2px rgba(16,40,35,.06), 0 6px 18px rgba(16,40,35,.06);
  --sh-2:0 10px 30px rgba(16,40,35,.12);
  --s-1:8px;--s-2:12px;--s-3:16px;--s-4:24px;--s-5:32px;--s-6:48px;--s-7:72px;--s-8:96px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding-bottom:84px;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;line-height:1.8;color:var(--c-ink);background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--c-primary-d)}
button,input{font-family:inherit}
h1,h2,h3,h4{font-weight:700;letter-spacing:-.2px}
p{margin:0 0 16px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:var(--s-7) 0;position:relative}
.section--tint{background:var(--c-surface-2)}
.section--tight{padding:var(--s-6) 0}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;color:var(--c-primary);letter-spacing:.1em;margin-bottom:10px}
h2{font-size:30px;line-height:1.3;margin:0;color:var(--c-ink)}
h3{font-size:20px;line-height:1.4;margin:0 0 10px}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:38px}
.section-head p{margin:12px 0 0;color:var(--c-ink-2);font-size:15px;max-width:620px}
.link-more{font-size:14px;font-weight:600;color:var(--c-primary);white-space:nowrap;display:inline-flex;align-items:center;gap:6px}
.link-more::after{content:"\2192";transition:transform .18s ease}
.link-more:hover::after{transform:translateX(4px)}

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{position:sticky;top:14px;z-index:60;padding:14px 20px 0}
.nav-pill{
  position:relative;max-width:1200px;margin:0 auto;display:flex;align-items:center;gap:16px;
  padding:10px 12px 10px 18px;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border:1px solid var(--c-line);border-radius:var(--r-pill);box-shadow:var(--sh-1);
}
.brand{display:flex;align-items:center;gap:10px;font-weight:700;color:var(--c-ink);font-size:16px;white-space:nowrap}
.brand:hover{color:var(--c-primary)}
.brand__mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:11px;
  background:linear-gradient(150deg,var(--c-primary),#16866F);
  color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:800;letter-spacing:0;
}
.nav-menu{display:flex;align-items:center;gap:2px;list-style:none;margin:0 0 0 auto;padding:0}
.nav-menu a{
  display:inline-block;padding:9px 16px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;color:var(--c-ink-2);transition:.18s ease;white-space:nowrap;
}
.nav-menu a:hover{background:var(--c-surface-2);color:var(--c-primary)}
.nav-menu a.is-active{background:var(--c-surface-2);color:var(--c-primary);font-weight:600}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:50%;border:1px solid var(--c-line);
  background:#fff;color:var(--c-ink);align-items:center;justify-content:center;
  font-size:16px;cursor:pointer;transition:.18s ease;
}
.nav-toggle:hover{border-color:var(--c-primary);color:var(--c-primary)}
.nav-toggle:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-pill);font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;text-align:center;
  transition:transform .18s ease, box-shadow .18s ease, background-color .18s ease, color .18s ease, border-color .18s ease;
}
.btn--primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1)}
.btn--primary:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn--accent{background:var(--c-accent);color:#fff;box-shadow:var(--sh-1)}
.btn--accent:hover{background:var(--c-accent-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn--ghost{background:transparent;border-color:var(--c-line);color:var(--c-ink)}
.btn--ghost:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-surface-2)}
.btn--light{background:#fff;color:var(--c-primary)}
.btn--light:hover{background:#EAF3F0;color:var(--c-primary-d);transform:translateY(-1px)}
.btn--outline-light{background:transparent;border-color:rgba(255,255,255,.45);color:#fff}
.btn--outline-light:hover{border-color:#fff;background:rgba(255,255,255,.12);color:#fff}
.btn--sm{padding:9px 18px;font-size:14px}
.btn:active{transform:translateY(0)}
.btn:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}

/* ---------- Hero ---------- */
.hero{position:relative;padding:68px 0 84px;overflow:hidden}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:
    radial-gradient(1080px 520px at 84% -12%, rgba(15,107,92,.14), transparent 62%),
    radial-gradient(760px 420px at -8% 22%, rgba(240,138,36,.13), transparent 62%);
}
.hero .grid-x{position:relative;z-index:1}
.hero__badge{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:var(--r-pill);
  background:var(--c-surface);border:1px solid var(--c-line);color:var(--c-primary);
  font-size:14px;font-weight:600;box-shadow:var(--sh-1);
}
.hero__badge i{color:var(--c-accent)}
.hero h1{font-size:42px;line-height:1.28;margin:20px 0 16px;letter-spacing:-.6px}
.hero__sub{font-size:17px;color:var(--c-ink-2);max-width:540px;margin:0 0 30px}
.hero__cta{display:flex;gap:14px;flex-wrap:wrap}
.hero__meta{display:flex;gap:36px;list-style:none;padding:0;margin:36px 0 0;flex-wrap:wrap}
.hero__meta li{display:flex;flex-direction:column}
.hero__meta strong{font-size:23px;line-height:1.3;color:var(--c-primary);font-variant-numeric:tabular-nums;letter-spacing:-.5px}
.hero__meta span{font-size:13px;color:var(--c-ink-2)}
.hero__media{position:relative;border-radius:var(--r-l);overflow:hidden;box-shadow:var(--sh-2);aspect-ratio:16/11;background:var(--c-surface-2)}
.hero__media img{width:100%;height:100%;object-fit:cover}
.hero__media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(10,79,68,0) 45%,rgba(10,79,68,.32))}
.hero__float{
  position:absolute;left:20px;bottom:20px;z-index:2;
  background:rgba(255,255,255,.95);border-radius:var(--r-m);padding:12px 18px;
  box-shadow:var(--sh-2);display:flex;align-items:center;gap:12px;
}
.hero__float i{color:var(--c-accent);font-size:19px}
.hero__float strong{display:block;font-size:15px;line-height:1.4}
.hero__float span{font-size:12.5px;color:var(--c-ink-2)}

/* ---------- 卖点三连 ---------- */
.value-card{
  position:relative;height:100%;display:flex;flex-direction:column;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-m);
  padding:28px 26px;box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .22s ease, box-shadow .22s ease;
}
.value-card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--c-primary);
  transform:scaleX(0);transform-origin:left;transition:transform .3s ease;
}
.value-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.value-card:hover::before{transform:scaleX(1)}
.value-card__kicker{font-size:13px;font-weight:700;color:var(--c-accent);letter-spacing:.08em;margin-bottom:14px;display:block}
.value-card h3{font-size:19px;margin-bottom:10px}
.value-card p{font-size:15px;color:var(--c-ink-2);margin:0}
.stat-num{display:flex;align-items:baseline;gap:4px;line-height:1;margin-bottom:16px}
.stat-num strong{font-size:54px;font-weight:800;color:var(--c-primary);font-variant-numeric:tabular-nums;letter-spacing:-2.5px}
.stat-num em{font-style:normal;font-size:24px;font-weight:700;color:var(--c-accent)}
.meter{height:8px;border-radius:var(--r-pill);background:var(--c-surface-2);overflow:hidden;margin:20px 0 10px}
.meter span{display:block;height:100%;border-radius:var(--r-pill);background:linear-gradient(90deg,var(--c-primary),var(--c-accent))}
.stat-note{font-size:13px;color:var(--c-ink-2)}
.value-card--media{padding:0;flex-direction:row;align-items:stretch}
.value-card--media .value-card__thumb{flex:0 0 42%;overflow:hidden;background:var(--c-surface-2)}
.value-card--media .value-card__thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.value-card--media:hover .value-card__thumb img{transform:scale(1.05)}
.value-card--media .value-card__inner{padding:26px 24px;display:flex;flex-direction:column;justify-content:center}
.value-card--media h3{font-size:19px;margin-bottom:8px}
.value-card--media p{font-size:14.5px}
.steps{list-style:none;padding:0;margin:6px 0 0}
.steps li{position:relative;display:flex;gap:14px;padding-bottom:20px}
.steps li:last-child{padding-bottom:0}
.steps li::before{content:"";position:absolute;left:7px;top:22px;bottom:0;width:1px;background:var(--c-line)}
.steps li:last-child::before{display:none}
.steps__dot{position:relative;z-index:1;flex:0 0 15px;width:15px;height:15px;margin-top:6px;border-radius:50%;background:var(--c-surface);border:2px solid var(--c-accent)}
.steps__body strong{display:block;font-size:15px;line-height:1.6}
.steps__body span{font-size:13.5px;color:var(--c-ink-2);line-height:1.7}

/* ---------- 场景标签 ---------- */
.tabs{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:30px}
.tab-btn{
  border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-ink-2);
  padding:9px 22px;border-radius:var(--r-pill);font-size:15px;font-weight:600;cursor:pointer;
  transition:.18s ease;
}
.tab-btn:hover{border-color:var(--c-primary);color:var(--c-primary)}
.tab-btn.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;box-shadow:var(--sh-1)}
.tab-btn:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.tab-panel{display:none}
.tab-panel.is-active{display:block;animation:fadeUp .3s ease}
@keyframes fadeUp{from{opacity:0;transform:translateY(8px)}to{opacity:1;transform:none}}
.scene{display:flex;flex-wrap:wrap;gap:32px;align-items:center}
.scene__media{flex:1 1 380px;border-radius:var(--r-m);overflow:hidden;border:1px solid var(--c-line);box-shadow:var(--sh-1);aspect-ratio:16/10;background:var(--c-surface-2)}
.scene__media img{width:100%;height:100%;object-fit:cover}
.scene__body{flex:1 1 360px}
.scene__body h3{font-size:21px;margin-bottom:12px}
.scene__body > p{font-size:15.5px;color:var(--c-ink-2)}
.point-list{list-style:none;padding:0;margin:18px 0 0}
.point-list li{display:flex;gap:12px;align-items:flex-start;padding:11px 0;border-top:1px solid var(--c-line);font-size:15px}
.point-list li:first-child{border-top:0}
.point-list i{flex:0 0 22px;height:22px;margin-top:4px;border-radius:7px;background:var(--c-surface-2);color:var(--c-primary);display:flex;align-items:center;justify-content:center;font-size:11px}

/* ---------- 内容卡片 ---------- */
.post-card{
  height:100%;display:flex;flex-direction:column;background:var(--c-surface);
  border:1px solid var(--c-line);border-radius:var(--r-m);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .22s ease, box-shadow .22s ease;
}
.post-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.post-card__media{display:block;aspect-ratio:16/10;overflow:hidden;background:var(--c-surface-2)}
.post-card__media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.post-card:hover .post-card__media img{transform:scale(1.04)}
.post-card__body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.post-card__title{font-size:18px;line-height:1.5;margin:0;font-weight:600}
.post-card__title a{color:var(--c-ink)}
.post-card__title a:hover{color:var(--c-primary)}
.post-card__desc{
  margin:0;font-size:14.5px;color:var(--c-ink-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-card__meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:14px;border-top:1px solid var(--c-line);
  font-size:13px;color:var(--c-ink-2);font-variant-numeric:tabular-nums;
}
.badge{
  display:inline-flex;align-items:center;align-self:flex-start;padding:4px 13px;border-radius:var(--r-pill);
  background:var(--c-surface-2);color:var(--c-primary);font-size:13px;font-weight:600;line-height:1.6;
}
.empty-state{
  padding:56px 24px;text-align:center;border:1px dashed var(--c-line);
  border-radius:var(--r-m);background:var(--c-surface);color:var(--c-ink-2);font-size:15px;
}
.empty-state i{display:block;font-size:26px;color:var(--c-primary);opacity:.5;margin-bottom:12px}

/* ---------- 评价 ---------- */
.quote{
  position:relative;height:100%;background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-m);padding:30px 28px 26px;box-shadow:var(--sh-1);
}
.quote::before{
  content:"\201C";position:absolute;top:2px;left:20px;font-family:Georgia,serif;
  font-size:62px;line-height:1;color:var(--c-primary);opacity:.15;
}
.quote p{position:relative;font-size:16px;line-height:1.85;margin:0 0 20px;color:var(--c-ink)}
.quote__who{display:flex;align-items:center;gap:12px}
.quote__avatar{
  width:44px;height:44px;flex:0 0 44px;border-radius:50%;background:var(--c-surface-2);
  color:var(--c-primary);font-weight:700;display:flex;align-items:center;justify-content:center;font-size:15px;
}
.quote__who strong{display:block;font-size:14.5px;line-height:1.5}
.quote__who span{font-size:13px;color:var(--c-ink-2)}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;margin:0 auto;border-top:1px solid var(--c-line)}
.faq-item{border-bottom:1px solid var(--c-line)}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:21px 48px 21px 0;font-size:17px;font-weight:600;line-height:1.6;
  transition:color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:10px;top:50%;transform:translateY(-50%);
  font-size:23px;font-weight:400;color:var(--c-primary);transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"\2212"}
.faq-item summary:hover{color:var(--c-primary)}
.faq-item summary:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:var(--r-s)}
.faq-item__body{padding:0 44px 22px 0;font-size:15px;line-height:1.85;color:var(--c-ink-2)}
.faq-item__body a{text-decoration:underline;text-underline-offset:3px}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-l);background:var(--c-primary);
  color:#fff;padding:58px 52px;display:flex;align-items:center;gap:36px;flex-wrap:wrap;
  box-shadow:var(--sh-2);
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:radial-gradient(720px 320px at 88% -30%, rgba(240,138,36,.36), transparent 66%);
}
.cta-band__text{position:relative;flex:1 1 380px}
.cta-band h2{color:#fff;font-size:29px;margin-bottom:12px}
.cta-band p{margin:0;font-size:15.5px;color:rgba(255,255,255,.82)}
.cta-band__actions{position:relative;display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:#0E1A17;color:#B9C7C2;padding:66px 0 0;margin-top:0}
.site-footer h4{color:#fff;font-size:15.5px;margin:0 0 18px;font-weight:700}
.site-footer a{color:#B9C7C2;font-size:14px;line-height:2.1;display:inline-block}
.site-footer a:hover{color:#fff}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;color:#fff;font-weight:700;font-size:16px}
.footer-brand__mark{
  width:32px;height:32px;flex:0 0 32px;border-radius:10px;
  background:linear-gradient(150deg,var(--c-primary),#16866F);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:800;
}
.footer-about{font-size:14px;line-height:1.9;color:#8FA39D;margin:0 0 18px;max-width:320px}
.footer-list{list-style:none;padding:0;margin:0}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);margin-top:52px;padding:22px 0;
  display:flex;justify-content:space-between;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8199, ;
}
.footer-bottom span{color:#829690}

/* ---------- 底部固定条 ---------- */
.sticky-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:80;
  background:rgba(255,255,255,.94);-webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border-top:1px solid var(--c-line);box-shadow:0 -6px 24px rgba(16,40,35,.08);
  transition:transform .3s ease;
}
.sticky-bar.is-hidden{transform:translateY(115%)}
.sticky-bar__inner{max-width:1200px;margin:0 auto;padding:12px 24px;display:flex;align-items:center;gap:16px}
.sticky-bar__text{font-size:15px;font-weight:600;color:var(--c-ink);margin-right:auto}
.sticky-bar__text i{color:var(--c-accent);margin-right:8px}
.sticky-bar__close{
  width:34px;height:34px;flex:0 0 34px;border-radius:50%;border:1px solid var(--c-line);
  background:#fff;color:var(--c-ink-2);cursor:pointer;display:flex;align-items:center;justify-content:center;
  font-size:15px;line-height:1;transition:.18s ease;
}
.sticky-bar__close:hover{border-color:var(--c-primary);color:var(--c-primary)}
.sticky-bar__close:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .hero{padding:52px 0 64px}
  .hero h1{font-size:34px}
  .hero__sub{font-size:16px}
  h2{font-size:26px}
  .section{padding:64px 0}
  .cta-band{padding:46px 34px}
  .cta-band h2{font-size:25px}
}
@media (max-width:899px){
  .nav-toggle{display:inline-flex}
  .nav-cta{display:none}
  .nav-menu{
    position:absolute;top:calc(100% + 10px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    background:#fff;border:1px solid var(--c-line);border-radius:var(--r-l);
    box-shadow:var(--sh-2);padding:12px;margin-left:0;display:none;
  }
  .nav-menu.is-open{display:flex}
  .nav-menu a{padding:14px 18px;font-size:16px;border-radius:var(--r-m)}
  .value-card--media{flex-direction:column}
  .value-card--media .value-card__thumb{flex:0 0 auto;aspect-ratio:16/9}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px}
}
@media (max-width:639px){
  body{padding-bottom:96px;font-size:15.5px}
  .container{padding:0 16px}
  .site-header{padding:10px 12px 0}
  .nav-pill{gap:10px;padding:8px 10px 8px 12px}
  .brand{font-size:14.5px}
  .brand__mark{width:30px;height:30px;flex:0 0 30px;border-radius:9px;font-size:14px}
  .section{padding:48px 0}
  .hero{padding:34px 0 48px}
  .hero h1{font-size:28px;margin:16px 0 12px}
  .hero__sub{font-size:15.5px;margin-bottom:24px}
  .hero__cta{flex-direction:column;align-items:stretch}
  .hero__cta .btn{width:100%}
  .hero__meta{gap:20px;margin-top:26px}
  .hero__meta strong{font-size:19px}
  .hero__float{left:12px;bottom:12px;padding:10px 14px}
  h2{font-size:22px}
  h3{font-size:18px}
  .value-card{padding:22px 20px}
  .stat-num strong{font-size:46px}
  .btn{padding:12px 22px}
  .cta-band{padding:34px 22px;border-radius:var(--r-m)}
  .cta-band h2{font-size:21px}
  .cta-band__actions{flex-direction:column;align-items:stretch;width:100%}
  .cta-band__actions .btn{width:100%}
  .faq-item summary{font-size:16px;padding:18px 42px 18px 0}
  .faq-item__body{padding-right:16px}
  .quote{padding:24px 20px 22px}
  .sticky-bar__inner{padding:10px 16px;gap:10px}
  .sticky-bar__text{font-size:14px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}

/* roulang page: article */
:root{
  --c-ink:#14201C;
  --c-ink-2:#5C6B65;
  --c-line:#E2E6E3;
  --c-bg:#F7F6F3;
  --c-surface:#FFFFFF;
  --c-surface-2:#EEF4F1;
  --c-primary:#0F6B5C;
  --c-primary-d:#0B5347;
  --c-accent:#F08A24;
  --c-accent-d:#D97812;
  --c-accent-soft:#FDEFDD;
  --c-ok:#1E9E6A;
  --c-warn:#D9534F;
  --r-s:8px;
  --r-m:14px;
  --r-l:22px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,40,34,.06), 0 6px 18px rgba(16,40,34,.06);
  --sh-2:0 10px 30px rgba(16,40,34,.10);
  --s-1:8px; --s-2:12px; --s-3:16px; --s-4:24px; --s-5:32px; --s-6:48px; --s-7:72px; --s-8:96px;
  --font:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.8;
  color:var(--c-ink);
  background:var(--c-bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-primary-d);}
button{font-family:inherit;}
p{margin:0 0 16px;}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.2px;}
ul{list-style:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}

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

/* ---------- 悬浮胶囊导航 ---------- */
.site-header{
  position:sticky;
  top:12px;
  z-index:80;
  padding:0 16px;
}
.nav-pill{
  position:relative;
  max-width:1200px;
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:18px;
  padding:10px 14px 10px 18px;
  background:rgba(255,255,255,.86);
  -webkit-backdrop-filter:blur(10px);
  backdrop-filter:blur(10px);
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-1);
}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;color:var(--c-ink);}
.brand:hover{color:var(--c-ink);}
.brand__mark{
  width:34px;height:34px;border-radius:11px;
  background:linear-gradient(150deg,var(--c-primary),#148B76);
  color:#fff;font-weight:800;font-size:17px;
  display:grid;place-items:center;
  box-shadow:0 4px 12px rgba(15,107,92,.28);
}
.brand__text{font-size:16px;font-weight:700;white-space:nowrap;}
.nav-menu{
  display:flex;align-items:center;gap:4px;
  margin:0 auto;padding:0;
}
.nav-menu a{
  display:block;padding:9px 14px;border-radius:var(--r-pill);
  font-size:15px;color:var(--c-ink-2);white-space:nowrap;
  transition:background .18s ease,color .18s ease;
}
.nav-menu a:hover{background:var(--c-surface-2);color:var(--c-primary);}
.nav-menu a.is-active{
  background:var(--c-primary);color:#fff;
  box-shadow:0 4px 12px rgba(15,107,92,.22);
}
.nav-cta{flex-shrink:0;}
.nav-cta-item{display:none;}
.nav-toggle{
  display:none;
  width:42px;height:42px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:#fff;color:var(--c-ink);
  cursor:pointer;font-size:16px;place-items:center;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1.2;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn--primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
.btn--primary:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn--primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn--accent{background:var(--c-accent);color:#fff;box-shadow:0 6px 18px rgba(240,138,36,.28);}
.btn--accent:hover{background:var(--c-accent-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn--accent:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn--ghost{background:transparent;border-color:var(--c-line);color:var(--c-ink);}
.btn--ghost:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-surface-2);}
.btn--onDark{background:transparent;border-color:rgba(255,255,255,.55);color:#fff;}
.btn--onDark:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;}
.btn--sm{padding:10px 18px;font-size:14px;}
.btn--block{width:100%;}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(15,107,92,.10);color:var(--c-primary);
  font-size:13px;font-weight:600;letter-spacing:.2px;
}
.badge--accent{background:var(--c-accent-soft);color:#A55A0C;}

/* ---------- 文章头部 ---------- */
.article-hero{
  padding:40px 0 36px;
  background-image:
    radial-gradient(circle at 88% 8%, rgba(15,107,92,.12), transparent 44%),
    linear-gradient(180deg,#F2F8F5 0%,var(--c-bg) 100%);
  border-bottom:1px solid var(--c-line);
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13.5px;color:var(--c-ink-2);margin-bottom:18px;
}
.breadcrumb a{color:var(--c-ink-2);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:#B7C2BD;}
.crumb-current{color:var(--c-ink-2);}
.article-title{
  font-size:38px;line-height:1.28;letter-spacing:-.4px;
  margin-bottom:18px;max-width:22em;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;
  gap:10px 18px;font-size:14px;color:var(--c-ink-2);
}
.article-meta .meta-item{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{color:var(--c-primary);font-size:13px;}

/* ---------- 主体布局 ---------- */
.main{padding:48px 0 0;}
.article-layout{margin:0 -12px;}
.article-panel{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-l);
  box-shadow:var(--sh-1);
  padding:34px;
}
.notice-strip{
  display:flex;align-items:flex-start;gap:12px;
  padding:14px 18px;margin-bottom:26px;
  background:var(--c-surface-2);
  border:1px solid #DCE7E1;
  border-radius:var(--r-m);
  font-size:14px;color:var(--c-ink-2);line-height:1.75;
}
.notice-strip i{color:var(--c-primary);margin-top:5px;}
.article-cover{
  margin:0 0 26px;border-radius:var(--r-m);overflow:hidden;
  aspect-ratio:16/9;background:var(--c-surface-2);
}
.article-cover img{width:100%;height:100%;object-fit:cover;}

.article-body{font-size:17px;line-height:1.85;color:#1F2C27;max-width:760px;}
.article-body p{margin:0 0 17px;}
.article-body h2{
  font-size:26px;line-height:1.35;
  margin:38px 0 16px;padding-left:14px;
  border-left:4px solid var(--c-primary);
}
.article-body h3{font-size:20px;line-height:1.45;margin:28px 0 12px;}
.article-body ul{margin:0 0 18px;padding-left:0;}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:9px;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;
  width:7px;height:7px;border-radius:2px;background:var(--c-primary);
}
.article-body ol{margin:0 0 18px;padding-left:0;counter-reset:num;}
.article-body ol li{position:relative;padding-left:30px;counter-increment:num;margin-bottom:9px;}
.article-body ol li::before{
  content:counter(num);position:absolute;left:0;top:.3em;
  width:20px;height:20px;border-radius:50%;
  background:var(--c-surface-2);color:var(--c-primary);
  font-size:12px;font-weight:700;display:grid;place-items:center;
}
.article-body blockquote{
  margin:22px 0;padding:16px 20px;
  border-left:3px solid var(--c-primary);
  background:var(--c-surface-2);
  border-radius:0 var(--r-s) var(--r-s) 0;
  color:var(--c-ink-2);font-size:16px;
}
.article-body img{border-radius:var(--r-m);margin:18px 0;height:auto;}
.article-body figure{margin:22px 0;}
.article-body figure img{margin:0 0 8px;}
.article-body figcaption{font-size:13px;color:var(--c-ink-2);text-align:center;}
.article-body a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{font-weight:600;}
.article-body table{
  width:100%;border-collapse:separate;border-spacing:0;
  margin:22px 0;font-size:15px;
  border:1px solid var(--c-line);border-radius:var(--r-m);
  overflow:hidden;
}
.article-body th,.article-body td{padding:11px 14px;text-align:left;border-bottom:1px solid var(--c-line);}
.article-body th{background:var(--c-surface-2);font-weight:700;color:var(--c-ink);}
.article-body tbody tr:nth-child(even){background:#FAFBF9;}
.article-body tbody tr:last-child td{border-bottom:0;}
.article-body code{
  background:var(--c-surface-2);color:var(--c-primary-d);
  padding:2px 6px;border-radius:6px;font-size:14.5px;
}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:32px 0;}

.empty-state{
  text-align:center;padding:64px 24px;
}
.empty-state i{font-size:40px;color:var(--c-primary);opacity:.6;}
.empty-state h2{font-size:23px;margin:18px 0 10px;}
.empty-state p{color:var(--c-ink-2);max-width:520px;margin:0 auto 22px;font-size:15.5px;}

/* ---------- 通用板块 ---------- */
.section{margin-top:56px;}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;
  gap:16px;margin-bottom:22px;
}
.section-head h2{font-size:24px;line-height:1.4;}
.section-head p{margin:6px 0 0;font-size:14.5px;color:var(--c-ink-2);}
.section-link{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}

/* ---------- 卡片 ---------- */
.card{
  display:flex;flex-direction:column;height:100%;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-m);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease;
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.card__thumb{aspect-ratio:16/10;overflow:hidden;background:var(--c-surface-2);}
.card__thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.card:hover .card__thumb img{transform:scale(1.04);}
.card__body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.card__body .badge{align-self:flex-start;}
.card__title{font-size:17px;line-height:1.5;font-weight:700;}
.card__title a{color:var(--c-ink);}
.card__title a:hover{color:var(--c-primary);}
.card__desc{font-size:14px;line-height:1.72;color:var(--c-ink-2);margin:0;}
.card__meta{
  margin-top:auto;display:flex;flex-wrap:wrap;gap:12px;
  font-size:13px;color:var(--c-ink-2);
}

/* ---------- 侧栏 ---------- */
.side-sticky{position:sticky;top:96px;}
.side-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-m);
  box-shadow:var(--sh-1);
  padding:22px;
  margin-bottom:22px;
}
.side-card h3{
  font-size:16px;margin-bottom:14px;padding-bottom:12px;
  border-bottom:1px solid var(--c-line);
  display:flex;align-items:center;gap:8px;
}
.side-card h3 i{color:var(--c-primary);font-size:14px;}
.side-list{margin:0;padding:0;}
.side-list li+li{border-top:1px solid var(--c-line);}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:12px 2px;font-size:15px;color:var(--c-ink);
  transition:color .18s ease,transform .18s ease;
}
.side-list a:hover{color:var(--c-primary);transform:translateX(3px);}
.side-list i{font-size:12px;color:var(--c-ink-2);}
.side-note{
  font-size:14px;line-height:1.8;color:var(--c-ink-2);margin-bottom:16px;
}
.side-facts{margin:0 0 16px;padding:0;}
.side-facts li{
  display:flex;justify-content:space-between;gap:10px;
  font-size:14px;padding:9px 0;border-bottom:1px dashed var(--c-line);
}
.side-facts li:last-child{border-bottom:0;}
.side-facts strong{color:var(--c-primary);font-size:15px;}

/* ---------- CTA 带 ---------- */
.cta-band{
  margin-top:64px;
  padding:42px 44px;
  border-radius:var(--r-l);
  background-image:linear-gradient(135deg,#0F6B5C 0%,#0B5347 100%);
  color:#fff;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:26px;
  box-shadow:var(--sh-2);
}
.cta-band h2{font-size:26px;color:#fff;margin-bottom:8px;}
.cta-band p{margin:0;color:rgba(255,255,255,.84);font-size:15.5px;max-width:56ch;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:80px;
  padding:58px 0 26px;
  background:#0E1A17;
  color:#B9C7C1;
}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:16px;letter-spacing:.3px;}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  color:#fff;font-size:17px;font-weight:700;margin-bottom:14px;
}
.footer-brand__mark{
  width:36px;height:36px;border-radius:11px;
  background:var(--c-primary);color:#fff;
  display:grid;place-items:center;font-weight:800;
}
.footer-about{
  font-size:14px;line-height:1.85;color:#9FB0AA;
  max-width:340px;margin:0 0 18px;
}
.footer-list{margin:0;padding:0;}
.footer-list a{
  display:inline-block;font-size:14px;line-height:2.2;color:#B9C7C1;
}
.footer-list a:hover{color:#fff;}
.footer-bottom{
  margin-top:42px;padding-top:18px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13px;color:#8A9A95;
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .article-title{font-size:31px;}
  .article-panel{padding:26px;}
  .side-sticky{position:static;}
  .main{padding-top:38px;}
}
@media (max-width:899px){
  .site-header{padding:0 12px;top:8px;}
  .nav-pill{padding:9px 12px;gap:12px;}
  .nav-toggle{display:grid;margin-left:auto;}
  .nav-cta{display:none;}
  .nav-menu{
    position:absolute;left:12px;right:12px;top:calc(100% + 10px);
    display:none;flex-direction:column;align-items:stretch;gap:2px;
    margin:0;padding:12px;
    background:#fff;border:1px solid var(--c-line);
    border-radius:var(--r-l);box-shadow:var(--sh-2);
  }
  .nav-menu.is-open{display:flex;}
  .nav-menu a{padding:13px 14px;font-size:15.5px;border-radius:var(--r-m);}
  .nav-cta-item{display:block;margin-top:8px;}
  .nav-cta-item a{
    background:var(--c-primary);color:#fff;text-align:center;font-weight:600;
  }
  .nav-cta-item a:hover{background:var(--c-primary-d);color:#fff;}
  .cta-band{padding:32px 26px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 100%;}
}
@media (max-width:767px){
  .container{padding:0 16px;}
  .article-hero{padding:28px 0 26px;}
  .article-title{font-size:26px;letter-spacing:-.2px;}
  .crumb-current{white-space:normal;}
  .article-panel{padding:20px;border-radius:var(--r-m);}
  .article-body{font-size:16px;}
  .article-body h2{font-size:21px;margin-top:30px;}
  .article-body h3{font-size:18px;}
  .section{margin-top:44px;}
  .section-head{flex-direction:column;align-items:flex-start;}
  .cta-band h2{font-size:21px;}
  .footer-bottom{flex-direction:column;}
  .brand__text{font-size:14.5px;white-space:normal;max-width:9em;line-height:1.3;}
}

/* roulang page: category1 */
:root{
  --c-ink:#152220;
  --c-ink-2:#5C6B67;
  --c-line:#E2E6E3;
  --c-bg:#F7F6F3;
  --c-surface:#FFFFFF;
  --c-surface-2:#EEF4F1;
  --c-primary:#0F6B5C;
  --c-primary-d:#0A4F44;
  --c-primary-soft:#E3F0EC;
  --c-accent:#F08A24;
  --c-accent-d:#D5741A;
  --c-accent-soft:#FDEBD6;
  --c-ok:#2E9E6B;
  --c-warn:#C4553B;
  --r-s:8px;
  --r-m:14px;
  --r-l:22px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,40,35,.06), 0 6px 18px rgba(20,40,35,.06);
  --sh-2:0 10px 30px rgba(20,40,35,.10);
  --s-1:8px;--s-2:12px;--s-3:16px;--s-4:24px;--s-5:32px;--s-6:48px;--s-7:72px;--s-8:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16.5px;
  line-height:1.8;
  color:var(--c-ink);
  background:var(--c-bg);
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease,background-color .18s ease;}
a:hover{color:var(--c-primary-d);}
button,input,select,textarea{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;line-height:1.28;font-weight:700;letter-spacing:.2px;}
p{margin:0 0 16px;}
ul,ol{margin:0;padding:0;list-style:none;}
hr{border:0;border-top:1px solid var(--c-line);margin:var(--s-6) 0;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- header / nav ---------- */
.site-header{
  position:sticky;
  top:12px;
  z-index:60;
  padding:0 16px;
}
.nav-pill{
  max-width:1200px;
  margin:0 auto;
  display:flex;
  align-items:center;
  gap:var(--s-3);
  padding:10px 14px 10px 16px;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border:1px solid var(--c-line);
  border-radius:var(--r-pill);
  box-shadow:var(--sh-1);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand__mark{
  width:34px;height:34px;border-radius:11px;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-primary);color:#fff;font-weight:800;font-size:16px;
}
.brand__text{font-weight:800;font-size:16.5px;color:var(--c-ink);white-space:nowrap;}
.nav-menu{
  display:flex;align-items:center;gap:4px;
  margin:0 0 0 auto;padding:0;
}
.nav-menu li{list-style:none;}
.nav-menu a{
  display:block;
  padding:9px 14px;
  border-radius:var(--r-pill);
  font-size:15px;
  color:var(--c-ink-2);
  font-weight:600;
  white-space:nowrap;
}
.nav-menu a:hover{background:var(--c-surface-2);color:var(--c-primary);}
.nav-menu a.is-active{background:var(--c-primary-soft);color:var(--c-primary-d);}
.nav-cta{flex:0 0 auto;}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:var(--r-pill);
  border:1px solid var(--c-line);
  background:var(--c-surface);
  color:var(--c-ink);
  cursor:pointer;
  font-size:17px;
}
.nav-toggle:hover{background:var(--c-surface-2);color:var(--c-primary);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;
  border-radius:var(--r-pill);
  font-weight:600;font-size:15.5px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn--sm{padding:10px 18px;font-size:14.5px;}
.btn--primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-1);}
.btn--primary:hover{background:var(--c-primary-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn--primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn--accent{background:var(--c-accent);color:#fff;box-shadow:0 6px 18px rgba(240,138,36,.28);}
.btn--accent:hover{background:var(--c-accent-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn--ghost{background:transparent;border-color:var(--c-line);color:var(--c-ink);}
.btn--ghost:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-soft);}
.btn--light{background:#fff;color:var(--c-primary-d);}
.btn--light:hover{background:var(--c-accent-soft);color:var(--c-primary-d);transform:translateY(-1px);}
.btn--outline-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff;}
.btn--outline-light:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;}

/* ---------- layout helpers ---------- */
.section{padding:var(--s-7) 0;}
.section--tight{padding:var(--s-6) 0;}
.section--tint{background:var(--c-surface-2);}
.section-head{margin-bottom:var(--s-5);}
.section-head__row{display:flex;align-items:flex-end;justify-content:space-between;gap:var(--s-4);}
.section-head h2{font-size:29px;}
.section-head p{margin:10px 0 0;color:var(--c-ink-2);font-size:16px;max-width:760px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:1px;
  color:var(--c-primary);
  background:var(--c-primary-soft);
  padding:6px 14px;border-radius:var(--r-pill);
  margin-bottom:14px;
}
.text-link{font-weight:600;font-size:15px;display:inline-flex;align-items:center;gap:6px;}
.text-link i{font-size:12px;transition:transform .18s ease;}
.text-link:hover i{transform:translateX(3px);}

/* ---------- badges ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;
  background:var(--c-primary-soft);color:var(--c-primary-d);
}
.badge--accent{background:var(--c-accent-soft);color:var(--c-accent-d);}
.badge--live{background:#FCE9E4;color:var(--c-warn);}
.badge--ok{background:#E5F5EE;color:var(--c-ok);}
.badge--line{background:#fff;border:1px solid var(--c-line);color:var(--c-ink-2);}

/* ---------- hero ---------- */
.cat-hero{
  position:relative;
  margin-top:-74px;
  padding:132px 0 60px;
  background-image:linear-gradient(90deg,rgba(9,58,50,.90) 0%,rgba(9,58,50,.72) 46%,rgba(9,58,50,.42) 100%),url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  color:#fff;
}
.crumb{font-size:13.5px;color:rgba(255,255,255,.78);margin-bottom:16px;}
.crumb a{color:rgba(255,255,255,.9);}
.crumb a:hover{color:#fff;text-decoration:underline;}
.crumb span{margin:0 8px;opacity:.6;}
.cat-hero h1{font-size:42px;color:#fff;max-width:820px;}
.cat-hero__sub{margin:16px 0 0;font-size:17px;color:rgba(255,255,255,.9);max-width:680px;}
.cat-hero__actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:14px 40px;
  margin-top:34px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.22);
}
.hero-stat{display:flex;flex-direction:column;gap:2px;}
.hero-stat b{font-size:24px;color:#fff;font-variant-numeric:tabular-nums;}
.hero-stat b em{font-style:normal;font-size:14px;font-weight:600;color:rgba(255,255,255,.8);margin-left:3px;}
.hero-stat span{font-size:13.5px;color:rgba(255,255,255,.72);}

/* ---------- info strip ---------- */
.info-strip{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:1px;
  background:var(--c-line);
  border:1px solid var(--c-line);
  border-radius:var(--r-l);
  overflow:hidden;
  margin-top:-38px;
  position:relative;
  z-index:5;
  box-shadow:var(--sh-1);
}
.info-strip__item{background:var(--c-surface);padding:24px 22px;}
.info-strip__item i{color:var(--c-accent);font-size:18px;}
.info-strip__item h3{font-size:17px;margin:12px 0 6px;}
.info-strip__item p{margin:0;font-size:14.5px;color:var(--c-ink-2);line-height:1.7;}

/* ---------- directory ---------- */
.dir-group{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-l);
  box-shadow:var(--sh-1);
  overflow:hidden;
  margin-bottom:var(--s-5);
}
.dir-group__head{
  display:flex;align-items:center;gap:14px;
  padding:22px 26px;
  background:var(--c-surface-2);
  border-bottom:1px solid var(--c-line);
}
.dir-group__no{
  width:38px;height:38px;flex:0 0 auto;
  border-radius:12px;
  background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:15px;
}
.dir-group__head h3{font-size:20px;}
.dir-group__head p{margin:2px 0 0;font-size:14px;color:var(--c-ink-2);}
.dir-group__head .badge{margin-left:auto;}
.dir-row{
  display:flex;align-items:center;gap:18px;
  min-height:62px;
  padding:16px 26px;
  border-bottom:1px solid var(--c-line);
  color:var(--c-ink);
}
.dir-row:last-child{border-bottom:0;}
.dir-row:hover{background:var(--c-primary-soft);}
.dir-row:hover .dir-row__title{color:var(--c-primary-d);}
.dir-row:hover .dir-row__arrow{transform:translateX(4px);color:var(--c-primary);}
.dir-row__idx{
  flex:0 0 auto;width:40px;
  font-size:13px;font-weight:700;color:var(--c-ink-2);
  font-variant-numeric:tabular-nums;
}
.dir-row__main{flex:1 1 auto;min-width:0;}
.dir-row__title{font-size:16.5px;font-weight:600;display:block;}
.dir-row__meta{display:block;font-size:13.5px;color:var(--c-ink-2);margin-top:3px;}
.dir-row__tags{display:flex;gap:8px;flex-wrap:wrap;flex:0 0 auto;}
.dir-row__arrow{flex:0 0 auto;color:#A9B5B1;transition:transform .18s ease,color .18s ease;}

/* ---------- timeline ---------- */
.timeline{
  position:relative;
  padding-left:30px;
}
.timeline::before{
  content:"";position:absolute;left:7px;top:10px;bottom:10px;
  width:2px;background:linear-gradient(180deg,var(--c-primary),var(--c-line));
}
.tl-item{position:relative;padding:0 0 22px;}
.tl-item::before{
  content:"";position:absolute;left:-30px;top:14px;
  width:14px;height:14px;border-radius:50%;
  background:#fff;border:3px solid var(--c-primary);
}
.tl-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-m);
  box-shadow:var(--sh-1);
  padding:18px 22px;
  display:flex;flex-wrap:wrap;align-items:center;gap:12px 20px;
  transition:box-shadow .18s ease,transform .18s ease;
}
.tl-card:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.tl-time{
  font-weight:800;color:var(--c-primary-d);
  font-variant-numeric:tabular-nums;font-size:17px;
  min-width:104px;
}
.tl-main{flex:1 1 260px;min-width:0;}
.tl-main strong{display:block;font-size:16.5px;}
.tl-main span{display:block;font-size:13.5px;color:var(--c-ink-2);margin-top:2px;}

/* ---------- split block ---------- */
.split{display:grid;grid-template-columns:5fr 6fr;gap:var(--s-6);align-items:center;}
.split__media{
  border-radius:var(--r-l);overflow:hidden;
  border:1px solid var(--c-line);box-shadow:var(--sh-1);
  aspect-ratio:4/3;background:var(--c-surface-2);
}
.split__media img{width:100%;height:100%;object-fit:cover;}
.split h2{font-size:28px;margin-bottom:14px;}
.split p{color:var(--c-ink-2);}
.check-list{margin:20px 0 26px;display:grid;gap:12px;}
.check-list li{display:flex;gap:12px;align-items:flex-start;font-size:15.5px;}
.check-list i{
  color:var(--c-primary);font-size:15px;margin-top:4px;flex:0 0 auto;
}
.check-list b{font-weight:700;}

/* ---------- media rows ---------- */
.media-list{display:grid;gap:var(--s-4);}
.media-row{
  display:grid;grid-template-columns:280px 1fr;gap:var(--s-4);
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-l);
  box-shadow:var(--sh-1);
  overflow:hidden;
  transition:box-shadow .18s ease,transform .18s ease;
}
.media-row:hover{box-shadow:var(--sh-2);transform:translateY(-2px);}
.media-row__img{aspect-ratio:16/10;overflow:hidden;background:var(--c-surface-2);}
.media-row__img img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.media-row:hover .media-row__img img{transform:scale(1.04);}
.media-row__body{padding:24px 26px 24px 4px;display:flex;flex-direction:column;gap:10px;justify-content:center;}
.media-row__body h3{font-size:20px;}
.media-row__body p{margin:0;color:var(--c-ink-2);font-size:15px;}
.media-row__meta{display:flex;align-items:center;gap:14px;flex-wrap:wrap;font-size:13.5px;color:var(--c-ink-2);}

/* ---------- quotes ---------- */
.quote-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--s-4);}
.quote{
  position:relative;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-left:3px solid var(--c-primary);
  border-radius:var(--r-m);
  padding:26px 26px 24px 30px;
  box-shadow:var(--sh-1);
}
.quote__mark{
  position:absolute;top:8px;right:20px;
  font-size:56px;line-height:1;color:var(--c-primary);opacity:.12;font-weight:800;
}
.quote p{font-size:16px;margin-bottom:18px;}
.quote__who{display:flex;align-items:center;gap:12px;}
.quote__avatar{
  width:42px;height:42px;border-radius:50%;
  background:var(--c-primary-soft);color:var(--c-primary-d);
  display:flex;align-items:center;justify-content:center;
  font-weight:700;font-size:15px;flex:0 0 auto;
}
.quote__who b{display:block;font-size:15px;}
.quote__who span{display:block;font-size:13.5px;color:var(--c-ink-2);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:840px;}
.faq-item{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-m);
  margin-bottom:12px;
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:18px 22px;
  font-size:17px;
  font-weight:600;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"\f067";
  font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:13px;color:var(--c-primary);
  transition:transform .2s ease,color .2s ease;
  flex:0 0 auto;
}
.faq-item[open] summary::after{content:"\f068";color:var(--c-accent-d);}
.faq-item summary:hover{color:var(--c-primary-d);}
.faq-item__body{padding:0 22px 20px;font-size:15.5px;line-height:1.8;color:var(--c-ink-2);}
.faq-item__body p:last-child{margin-bottom:0;}

/* ---------- CTA band ---------- */
.cta-band{
  background:linear-gradient(135deg,var(--c-primary-d) 0%,var(--c-primary) 100%);
  border-radius:var(--r-l);
  padding:52px 48px;
  color:#fff;
  display:grid;grid-template-columns:1.4fr 1fr;gap:var(--s-5);align-items:center;
  box-shadow:var(--sh-2);
}
.cta-band h2{font-size:30px;color:#fff;}
.cta-band p{margin:14px 0 0;color:rgba(255,255,255,.86);max-width:620px;}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;}

/* ---------- footer ---------- */
.site-footer{
  background:#0E1F1B;
  color:rgba(255,255,255,.72);
  padding:var(--s-7) 0 28px;
  margin-top:var(--s-7);
}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;margin-bottom:16px;}
.footer-brand__mark{
  width:32px;height:32px;border-radius:10px;
  background:var(--c-accent);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:15px;
}
.footer-about{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.66);margin-bottom:20px;max-width:380px;}
.site-footer h4{color:#fff;font-size:15.5px;margin-bottom:16px;}
.footer-list li{margin-bottom:10px;}
.footer-list a{color:rgba(255,255,255,.7);font-size:14.5px;line-height:2;}
.footer-list a:hover{color:var(--c-accent);}
.footer-bottom{
  margin-top:var(--s-6);padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13.5px;color:rgba(255,255,255,.5);
}

/* ---------- responsive ---------- */
@media screen and (max-width:1023px){
  .cat-hero h1{font-size:34px;}
  .split{grid-template-columns:1fr;gap:var(--s-5);}
  .media-row{grid-template-columns:220px 1fr;}
  .info-strip{grid-template-columns:1fr 1fr;}
  .cta-band{grid-template-columns:1fr;padding:40px 32px;}
  .cta-band__actions{justify-content:flex-start;}
}
@media screen and (max-width:899px){
  .site-header{top:8px;padding:0 12px;}
  .nav-pill{flex-wrap:wrap;border-radius:var(--r-l);padding:10px 12px;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;margin-left:auto;}
  .nav-cta{order:3;display:none;}
  .nav-menu{
    order:4;
    display:none;
    width:100%;
    flex-direction:column;
    align-items:stretch;
    gap:2px;
    margin:10px 0 4px;
    padding:8px;
    background:#fff;
    border:1px solid var(--c-line);
    border-radius:var(--r-m);
    box-shadow:var(--sh-1);
  }
  .nav-menu.is-open{display:flex;}
  .nav-menu a{padding:14px 16px;border-radius:var(--r-s);font-size:16px;}
  .cat-hero{margin-top:-96px;padding:150px 0 48px;}
  .quote-grid{grid-template-columns:1fr;}
  .section{padding:52px 0;}
  .section-head h2{font-size:24px;}
  .section-head__row{flex-direction:column;align-items:flex-start;gap:12px;}
}
@media screen and (max-width:767px){
  body{font-size:16px;}
  .container{padding-left:16px;padding-right:16px;}
  .brand__text{font-size:15.5px;}
  .cat-hero{margin-top:-92px;padding:140px 0 40px;}
  .cat-hero h1{font-size:29px;}
  .cat-hero__sub{font-size:15.5px;}
  .cat-hero__actions .btn{width:100%;}
  .hero-stats{gap:16px 26px;}
  .hero-stat b{font-size:20px;}
  .info-strip{grid-template-columns:1fr;margin-top:-24px;}
  .dir-group__head{flex-wrap:wrap;padding:18px;}
  .dir-group__head .badge{margin-left:0;}
  .dir-row{padding:14px 18px;gap:12px;flex-wrap:wrap;}
  .dir-row__tags{flex:1 1 100%;padding-left:52px;}
  .dir-row__arrow{display:none;}
  .timeline{padding-left:24px;}
  .tl-item::before{left:-24px;}
  .tl-card{padding:16px;}
  .media-row{grid-template-columns:1fr;}
  .media-row__body{padding:20px;}
  .split h2{font-size:23px;}
  .cta-band{padding:32px 22px;}
  .cta-band h2{font-size:23px;}
  .cta-band__actions .btn{width:100%;}
  .site-footer{padding:52px 0 24px;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category2 */
:root{
  --c-ink:#16211E;
  --c-ink-2:#5D6B67;
  --c-line:#E2E6E3;
  --c-bg:#F7F6F3;
  --c-surface:#FFFFFF;
  --c-surface-2:#EEF4F1;
  --c-primary:#0F6B5C;
  --c-primary-d:#0A4C41;
  --c-primary-soft:rgba(15,107,92,.10);
  --c-accent:#F08A24;
  --c-accent-d:#D5741A;
  --c-accent-soft:#FDEBD8;
  --c-ok:#1E8E62;
  --c-warn:#C4573A;
  --r-s:8px; --r-m:14px; --r-l:22px; --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,35,32,.06), 0 6px 18px rgba(20,35,32,.06);
  --sh-2:0 10px 30px rgba(20,35,32,.10);
  --s-1:8px; --s-2:12px; --s-3:16px; --s-4:24px; --s-5:32px; --s-6:48px; --s-7:72px; --s-8:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:17px; line-height:1.8; color:var(--c-ink); background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;letter-spacing:.01em}
h1{font-size:42px}
h2{font-size:29px}
h3{font-size:20px}
h4{font-size:16px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease,transform .18s ease}
a:hover{color:var(--c-primary-d)}
button{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.skip-link{position:absolute;left:-9999px;top:0;background:var(--c-primary);color:#fff;padding:10px 18px;border-radius:0 0 var(--r-s) 0;z-index:999}
.skip-link:focus{left:0;color:#fff}

/* ---------- header / nav ---------- */
.site-header{position:sticky;top:12px;z-index:60;padding:0 24px;margin-bottom:var(--s-2)}
.nav-pill{
  position:relative; max-width:1200px; margin:0 auto;
  display:flex; align-items:center; gap:var(--s-4);
  background:rgba(255,255,255,.84);
  -webkit-backdrop-filter:blur(10px); backdrop-filter:blur(10px);
  border:1px solid var(--c-line); border-radius:var(--r-pill);
  box-shadow:var(--sh-1); padding:10px 14px 10px 18px;
}
.brand{display:flex;align-items:center;gap:10px;color:var(--c-ink);flex:0 0 auto}
.brand:hover{color:var(--c-ink)}
.brand__mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:var(--c-primary);color:#fff;font-weight:700;font-size:17px;letter-spacing:.02em;
  box-shadow:0 4px 12px rgba(15,107,92,.28);
}
.brand__text{font-size:16.5px;font-weight:700;white-space:nowrap}
.nav-menu{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-menu a{
  display:inline-flex;align-items:center;height:40px;padding:0 15px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;color:var(--c-ink);white-space:nowrap;
}
.nav-menu a:hover{background:var(--c-surface-2);color:var(--c-primary)}
.nav-menu a.is-active{background:var(--c-primary-soft);color:var(--c-primary);font-weight:700}
.nav-cta{margin-left:6px}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:50%;
  border:1px solid var(--c-line);background:#fff;cursor:pointer;
  align-items:center;justify-content:center;font-size:16px;color:var(--c-ink);
}
.nav-toggle:hover{border-color:var(--c-primary);color:var(--c-primary)}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--r-pill);border:1px solid transparent;
  font-size:16px;font-weight:600;cursor:pointer;transition:all .18s ease;line-height:1.2;
}
.btn--primary{background:var(--c-accent);color:#fff;box-shadow:0 6px 16px rgba(240,138,36,.30)}
.btn--primary:hover{background:var(--c-accent-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn--primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn--ghost{background:transparent;border-color:var(--c-line);color:var(--c-ink)}
.btn--ghost:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-soft)}
.btn--light{background:#fff;color:var(--c-primary);border-color:#fff}
.btn--light:hover{background:var(--c-surface-2);color:var(--c-primary-d)}
.btn--outline-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn--outline-light:hover{border-color:#fff;background:rgba(255,255,255,.12);color:#fff}
.btn--sm{padding:10px 18px;font-size:14px}
.btn--block{width:100%}

/* ---------- section basics ---------- */
.section{padding:var(--s-7) 0}
.section--tint{background:var(--c-surface-2)}
.sec-head{max-width:740px;margin-bottom:var(--s-6)}
.sec-head h2{margin-bottom:var(--s-2)}
.sec-head p{color:var(--c-ink-2);font-size:16px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:var(--s-3);
  padding:5px 14px;border-radius:var(--r-pill);background:var(--c-primary-soft);
  color:var(--c-primary);font-size:13px;font-weight:600;letter-spacing:.02em;
}
.eyebrow--light{background:rgba(255,255,255,.16);color:#fff}

/* ---------- page intro ---------- */
.page-intro{padding:52px 0 8px}
.crumb{font-size:13.5px;color:var(--c-ink-2);display:flex;gap:8px;align-items:center;margin-bottom:var(--s-4)}
.crumb a{color:var(--c-ink-2)}
.crumb a:hover{color:var(--c-primary)}
.crumb span.now{color:var(--c-ink-2)}
.page-intro h1{margin-bottom:var(--s-3);max-width:900px}
.page-intro .lede{max-width:780px;color:var(--c-ink-2);font-size:17px}
.filter-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:var(--s-5)}
.pill{
  padding:9px 18px;border-radius:var(--r-pill);border:1px solid var(--c-line);
  background:#fff;color:var(--c-ink-2);font-size:14px;font-weight:500;cursor:pointer;
  transition:all .18s ease;min-height:40px;
}
.pill:hover{border-color:var(--c-primary);color:var(--c-primary)}
.pill.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff;box-shadow:0 6px 16px rgba(15,107,92,.22)}
.stat-row{
  display:grid;grid-template-columns:repeat(4,1fr);gap:var(--s-4);
  margin-top:var(--s-5);padding:var(--s-4) var(--s-5);
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-m);box-shadow:var(--sh-1);
}
.stat b{display:block;font-size:26px;font-weight:700;color:var(--c-primary);line-height:1.2}
.stat span{font-size:13.5px;color:var(--c-ink-2)}

/* ---------- card wall ---------- */
.card-wall{margin-top:var(--s-5)}
.tile{
  display:flex;flex-direction:column;height:100%;overflow:hidden;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-m);
  box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.tile:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#D3DCD8}
.tile__media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--c-surface-2)}
.tile__media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.tile:hover .tile__media img{transform:scale(1.04)}
.tile__badge{
  position:absolute;left:12px;top:12px;padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.94);color:var(--c-primary);font-size:12.5px;font-weight:700;
}
.tile__body{padding:20px 20px 22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.tile__body h3{font-size:19px}
.tile__body p{font-size:14.5px;color:var(--c-ink-2);line-height:1.75}
.tile__meta{display:flex;gap:14px;font-size:13px;color:var(--c-ink-2);border-top:1px dashed var(--c-line);padding-top:12px;margin-top:2px}
.tile__meta i{color:var(--c-primary);margin-right:5px}
.tile__link{margin-top:auto;font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px}
.tile__link i{font-size:12px;transition:transform .2s ease}
.tile__link:hover i{transform:translateX(4px)}
.tile.is-hidden{display:none}

/* ---------- slot strip (tickets) ---------- */
.slot-strip{
  position:relative;padding:var(--s-7) 0;color:#fff;
  background-image:linear-gradient(rgba(10,62,53,.86),rgba(10,62,53,.86)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
}
.slot-strip .sec-head p{color:rgba(255,255,255,.78)}
.slot-strip h2{color:#fff}
.ticket{
  position:relative;background:rgba(255,255,255,.97);color:var(--c-ink);
  border-radius:var(--r-m);padding:24px 22px;height:100%;
  display:flex;flex-direction:column;gap:12px;
  box-shadow:0 14px 34px rgba(4,30,25,.22);
}
.ticket::after{
  content:"";position:absolute;left:18px;right:18px;top:calc(100% - 62px);
  border-top:1px dashed var(--c-line);
}
.ticket__time{font-size:13.5px;font-weight:700;color:var(--c-primary);letter-spacing:.03em}
.ticket__name{font-size:19px}
.ticket__price{font-size:28px;font-weight:700;color:var(--c-ink);line-height:1.2}
.ticket__price small{font-size:13px;font-weight:500;color:var(--c-ink-2);margin-left:4px}
.ticket__list{display:flex;flex-direction:column;gap:9px;margin-top:auto;padding-top:14px}
.ticket__list li{display:flex;gap:9px;font-size:14px;color:var(--c-ink-2);line-height:1.7}
.ticket__list i{color:var(--c-ok);margin-top:6px;font-size:12px}

/* ---------- flow ---------- */
.flow-list{display:grid;grid-template-columns:repeat(4,1fr);gap:var(--s-4);position:relative}
.flow-step{position:relative;padding:var(--s-5) var(--s-4) var(--s-4);background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-m);box-shadow:var(--sh-1)}
.flow-step:hover{box-shadow:var(--sh-2);transform:translateY(-2px);transition:all .2s ease}
.flow-step__num{
  width:36px;height:36px;border-radius:12px;display:grid;place-items:center;
  background:var(--c-primary);color:#fff;font-weight:700;font-size:15px;margin-bottom:14px;
}
.flow-step h3{font-size:17.5px;margin-bottom:8px}
.flow-step p{font-size:14.5px;color:var(--c-ink-2)}
.flow-step::after{
  content:"";position:absolute;right:-18px;top:50%;width:20px;height:1px;background:var(--c-line);
}
.flow-step:last-child::after{display:none}

/* ---------- scenes ---------- */
.scene-wrap{display:grid;grid-template-columns:1.05fr 1fr;gap:var(--s-6);align-items:center}
.scene-media{position:relative;border-radius:var(--r-l);overflow:hidden;border:1px solid var(--c-line);box-shadow:var(--sh-1);aspect-ratio:4/3;background:var(--c-surface-2)}
.scene-media img{width:100%;height:100%;object-fit:cover}
.scene-media__tag{
  position:absolute;left:16px;bottom:16px;padding:8px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.94);color:var(--c-primary);font-size:13px;font-weight:700;
}
.scene-list{display:flex;flex-direction:column;gap:4px;margin-top:var(--s-4)}
.scene-list li{display:flex;gap:16px;padding:18px 4px;border-bottom:1px solid var(--c-line)}
.scene-list li:last-child{border-bottom:0}
.scene-list i{
  flex:0 0 42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:var(--c-primary-soft);color:var(--c-primary);font-size:16px;
}
.scene-list h3{font-size:17px;margin-bottom:5px}
.scene-list p{font-size:14.5px;color:var(--c-ink-2)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:var(--s-4)}
.tag{font-size:13px;padding:5px 13px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--c-line);color:var(--c-ink-2)}

/* ---------- faq ---------- */
.faq-list{max-width:820px;margin:0 auto}
.faq-item{background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-m);margin-bottom:12px;overflow:hidden;transition:box-shadow .2s ease}
.faq-item[open]{box-shadow:var(--sh-2)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:18px 56px 18px 22px;position:relative;
  font-size:17px;font-weight:600;color:var(--c-ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:400;color:var(--c-primary);transition:transform .2s ease,color .2s ease;
}
.faq-item[open] summary::after{content:"−";transform:translateY(-50%) rotate(0deg)}
.faq-body{padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--c-ink-2)}

/* ---------- cta band ---------- */
.cta-band{
  position:relative;padding:var(--s-7) 0;color:#fff;
  background-image:linear-gradient(rgba(8,45,39,.88),rgba(8,45,39,.88)),url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
}
.cta-band h2{color:#fff;margin-bottom:var(--s-2)}
.cta-band p{color:rgba(255,255,255,.82);max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:var(--s-5)}
.cta-inner{display:grid;grid-template-columns:1.4fr 1fr;gap:var(--s-6);align-items:center}
.cta-facts{display:flex;flex-direction:column;gap:12px;background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.20);border-radius:var(--r-m);padding:var(--s-4)}
.cta-facts li{display:flex;gap:10px;font-size:14.5px;color:rgba(255,255,255,.92)}
.cta-facts i{color:var(--c-accent);margin-top:6px;font-size:12px}

/* ---------- footer ---------- */
.site-footer{background:#0E1B18;color:rgba(255,255,255,.72);padding:var(--s-7) 0 var(--s-5);font-size:14px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:700;margin-bottom:var(--s-3)}
.footer-brand__mark{width:32px;height:32px;border-radius:10px;display:grid;place-items:center;background:var(--c-primary);color:#fff;font-size:16px;font-weight:700}
.footer-about{color:rgba(255,255,255,.66);line-height:1.85;margin-bottom:var(--s-4);max-width:360px}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:var(--s-3)}
.footer-list li{line-height:2}
.footer-list a{color:rgba(255,255,255,.68)}
.footer-list a:hover{color:#fff}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  border-top:1px solid rgba(255,255,255,.12);margin-top:var(--s-6);padding-top:var(--s-4);
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  h1{font-size:34px}
  h2{font-size:25px}
  .flow-list{grid-template-columns:repeat(2,1fr)}
  .flow-step::after{display:none}
  .scene-wrap{grid-template-columns:1fr;gap:var(--s-5)}
  .cta-inner{grid-template-columns:1fr;gap:var(--s-5)}
  .stat-row{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:900px){
  .site-header{padding:0 16px}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .nav-cta{display:none}
  .nav-menu{
    position:absolute;left:0;right:0;top:calc(100% + 10px);
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border:1px solid var(--c-line);border-radius:var(--r-l);
    box-shadow:var(--sh-2);padding:12px;display:none;
  }
  .nav-menu.is-open{display:flex}
  .nav-menu a{height:48px;border-radius:var(--r-s);justify-content:flex-start;font-size:15.5px}
  .brand__text{font-size:15.5px}
}
@media (max-width:768px){
  .section{padding:44px 0}
  .page-intro{padding:36px 0 4px}
  h1{font-size:29px}
  h2{font-size:22px}
  h3{font-size:18px}
  .stat-row{grid-template-columns:1fr 1fr;padding:var(--s-4);gap:var(--s-3)}
  .stat b{font-size:22px}
  .flow-list{grid-template-columns:1fr}
  .cta-actions .btn{width:100%}
  .tile__body{padding:18px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .filter-row{gap:8px}
  .pill{padding:8px 14px;font-size:13.5px}
  .stat-row{grid-template-columns:1fr}
  .brand__text{max-width:150px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
}

/* roulang page: category3 */
:root{
  --c-ink:#132924;
  --c-ink-2:#5b6e69;
  --c-line:#e2e6e3;
  --c-bg:#f7f6f3;
  --c-surface:#ffffff;
  --c-surface-2:#eef4f1;
  --c-primary:#0f6b5c;
  --c-primary-d:#0a4e43;
  --c-accent:#f08a24;
  --c-accent-d:#d3740d;
  --c-accent-soft:#fdeee0;
  --c-ok:#2f9e6d;
  --c-warn:#d9534f;
  --r-s:8px;
  --r-m:14px;
  --r-l:22px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(19,41,36,.06),0 6px 18px rgba(19,41,36,.06);
  --sh-2:0 10px 30px rgba(19,41,36,.10);
  --s-1:8px;--s-2:12px;--s-3:16px;--s-4:24px;--s-5:32px;--s-6:48px;--s-7:72px;--s-8:96px;
  --font-cn:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font-cn);
  font-size:17px;
  line-height:1.8;
  color:var(--c-ink);
  background:var(--c-bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-primary-d);}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
@media (max-width:640px){.container{padding:0 16px;}}
.section{padding:80px 0;}
.section--tight{padding:56px 0;}
.section--alt{background:var(--c-surface-2);}
.section-head{margin-bottom:var(--s-5);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.04em;color:var(--c-primary);
  background:rgba(15,107,92,.09);border-radius:var(--r-pill);
  padding:5px 14px;margin-bottom:14px;font-weight:600;
}
.eyebrow i{font-size:12px;}
h1,h2,h3,h4{line-height:1.3;font-weight:700;letter-spacing:.01em;}
.h2{font-size:29px;margin-bottom:14px;}
.h3{font-size:21px;margin-bottom:8px;}
.lead{font-size:17px;color:var(--c-ink-2);max-width:780px;}
.muted{color:var(--c-ink-2);font-size:14px;}
.hl{color:var(--c-primary);}
.hl-accent{color:var(--c-accent-d);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:12px;border:1px solid transparent;
  font-size:16px;font-weight:600;line-height:1;text-align:center;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
  min-height:46px;
}
.btn--primary{background:var(--c-accent);color:#fff;box-shadow:var(--sh-1);}
.btn--primary:hover{background:var(--c-accent-d);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2);}
.btn--primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn--ghost{background:transparent;color:var(--c-primary);border-color:rgba(15,107,92,.35);}
.btn--ghost:hover{background:rgba(15,107,92,.08);color:var(--c-primary-d);border-color:var(--c-primary);}
.btn--line-light{background:transparent;color:#fff;border-color:rgba(255,255,255,.6);}
.btn--line-light:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;}
.btn--sm{padding:10px 18px;font-size:14px;min-height:40px;border-radius:10px;}
.btn--block{width:100%;}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:12px;z-index:80;padding:0 16px;}
.nav-pill{
  position:relative;max-width:1200px;margin:0 auto;
  display:flex;align-items:center;gap:26px;
  padding:10px 12px 10px 16px;
  background:rgba(255,255,255,.82);
  -webkit-backdrop-filter:blur(10px);backdrop-filter:blur(10px);
  border:1px solid var(--c-line);border-radius:var(--r-pill);box-shadow:var(--sh-1);
}
.brand{display:flex;align-items:center;gap:10px;color:var(--c-ink);flex:0 0 auto;}
.brand:hover{color:var(--c-ink);}
.brand__mark{
  width:34px;height:34px;border-radius:10px;flex:0 0 auto;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-primary);color:#fff;font-weight:700;font-size:17px;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.18);
}
.brand__text{font-size:17px;font-weight:700;letter-spacing:.01em;white-space:nowrap;}
.nav-menu{display:flex;align-items:center;gap:4px;flex:1 1 auto;margin:0;}
.nav-menu a{
  display:inline-block;padding:9px 15px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;color:var(--c-ink-2);white-space:nowrap;
  transition:background-color .18s ease,color .18s ease;
}
.nav-menu a:hover{background:var(--c-surface-2);color:var(--c-primary);}
.nav-menu a.is-active{background:rgba(15,107,92,.10);color:var(--c-primary);font-weight:600;}
.nav-cta{flex:0 0 auto;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--c-line);
  background:#fff;color:var(--c-ink);font-size:17px;align-items:center;justify-content:center;
}
.nav-toggle:hover{background:var(--c-surface-2);}

/* ---------- 分类页3：顶部窄 Hero（纯色 + 细格栅） ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--c-surface-2);
  border-bottom:1px solid var(--c-line);
  padding:64px 0 56px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    repeating-linear-gradient(to right,rgba(15,107,92,.07) 0 1px,transparent 1px 56px),
    repeating-linear-gradient(to bottom,rgba(15,107,92,.07) 0 1px,transparent 1px 56px);
  mask-image:linear-gradient(to bottom,rgba(0,0,0,.85),transparent 82%);
  -webkit-mask-image:linear-gradient(to bottom,rgba(0,0,0,.85),transparent 82%);
}
.page-hero .container{position:relative;z-index:1;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-2);margin-bottom:20px;}
.breadcrumb a{color:var(--c-ink-2);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:#b8c3c0;}
.breadcrumb .current{color:var(--c-ink-2);}
.page-hero h1{font-size:42px;letter-spacing:-.01em;margin-bottom:16px;}
.page-hero .sub{font-size:18px;color:var(--c-ink-2);max-width:720px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;color:var(--c-primary);
  background:rgba(15,107,92,.09);
}
.tag--accent{color:var(--c-accent-d);background:var(--c-accent-soft);}

/* ---------- 主栅格：左导航 + 右内容 ---------- */
.layout{padding:56px 0 8px;}
.side-inner{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-m);box-shadow:var(--sh-1);padding:20px 18px;
}
.side-title{
  font-size:13px;font-weight:700;color:var(--c-ink-2);
  letter-spacing:.08em;margin-bottom:12px;
}
.side-nav{display:flex;flex-direction:column;gap:2px;margin-bottom:22px;}
.side-nav a{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:10px;font-size:15px;color:var(--c-ink-2);
  transition:background-color .18s ease,color .18s ease,padding-left .18s ease;
}
.side-nav a i{font-size:12px;color:#a9b8b4;}
.side-nav a:hover{background:var(--c-surface-2);color:var(--c-primary);padding-left:16px;}
.side-nav a:hover i{color:var(--c-primary);}
.side-nav a.is-current{background:rgba(15,107,92,.10);color:var(--c-primary);font-weight:600;}
.side-nav a.is-current i{color:var(--c-primary);}
.side-card{
  border-top:1px dashed var(--c-line);padding-top:18px;margin-top:4px;
}
.side-card h4{font-size:15px;margin-bottom:10px;}
.side-card p{font-size:14px;color:var(--c-ink-2);margin-bottom:14px;line-height:1.75;}
.side-links{display:flex;flex-direction:column;gap:8px;font-size:14px;}
.side-links a{display:flex;align-items:center;justify-content:space-between;gap:8px;color:var(--c-ink-2);}
.side-links a:hover{color:var(--c-primary);}
.side-links i{font-size:11px;}

/* ---------- 内容分节 ---------- */
.content-col > section{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-l);
  box-shadow:var(--sh-1);padding:32px 34px;margin-bottom:26px;
}
.content-col > section:last-child{margin-bottom:0;}
.content-col h2{font-size:27px;margin-bottom:14px;}
.content-col h3{font-size:20px;margin-bottom:8px;}
.content-col p{color:#2b443e;margin-bottom:16px;}
.content-col p:last-child{margin-bottom:0;}
.sec-kicker{
  display:inline-block;font-size:13px;font-weight:700;color:var(--c-primary);
  letter-spacing:.06em;margin-bottom:10px;
}

/* 课程分级行式列表 */
.course-list{border-top:1px solid var(--c-line);margin-top:22px;}
.course-row{
  display:flex;gap:18px;align-items:flex-start;
  padding:20px 6px;border-bottom:1px solid var(--c-line);
  transition:background-color .18s ease,padding-left .18s ease;
}
.course-row:hover{background:var(--c-surface-2);padding-left:14px;border-radius:10px;}
.course-num{
  flex:0 0 auto;width:38px;height:38px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(15,107,92,.10);color:var(--c-primary);font-weight:700;font-size:15px;
}
.course-main{flex:1 1 auto;min-width:0;}
.course-main h3{font-size:18px;margin-bottom:6px;}
.course-main p{font-size:15px;color:var(--c-ink-2);margin:0 0 10px;}
.course-meta{display:flex;flex-wrap:wrap;gap:8px;}
.chip{
  display:inline-block;padding:4px 11px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;background:var(--c-surface-2);color:var(--c-ink-2);
}
.chip--ok{background:rgba(47,158,109,.12);color:#1f7a52;}
.chip--mid{background:var(--c-accent-soft);color:var(--c-accent-d);}
.chip--strong{background:rgba(217,83,79,.12);color:#b93b37;}

/* 图文区块 */
.figure-block{
  border-radius:var(--r-m);overflow:hidden;border:1px solid var(--c-line);
  box-shadow:var(--sh-1);background:var(--c-surface-2);
}
.figure-block .ratio{position:relative;padding-top:62%;}
.figure-block img{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
.figure-cap{font-size:13px;color:var(--c-ink-2);padding:10px 14px;background:#fff;border-top:1px solid var(--c-line);}
.gear-list{margin-top:6px;}
.gear-list li{
  position:relative;padding:12px 0 12px 26px;border-bottom:1px dashed var(--c-line);
  font-size:15.5px;color:#2b443e;
}
.gear-list li:last-child{border-bottom:0;}
.gear-list li::before{
  content:"";position:absolute;left:4px;top:21px;
  width:8px;height:8px;border-radius:2px;background:var(--c-primary);
}
.gear-list strong{color:var(--c-ink);}

/* 训练排期时间轴 */
.timeline{position:relative;margin-top:22px;padding-left:26px;}
.timeline::before{
  content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(to bottom,var(--c-primary),rgba(15,107,92,.15));
}
.tl-item{position:relative;padding:0 0 26px 0;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-25px;top:8px;width:14px;height:14px;border-radius:50%;
  background:#fff;border:3px solid var(--c-primary);
}
.tl-item h3{font-size:18px;margin-bottom:6px;}
.tl-item p{font-size:15px;color:var(--c-ink-2);margin:0;}
.tl-week{font-size:13px;font-weight:700;color:var(--c-accent-d);letter-spacing:.04em;display:block;margin-bottom:4px;}

/* 教练 / 支持 双列信息块 */
.info-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;margin-top:22px;}
.info-card{
  background:var(--c-surface-2);border:1px solid var(--c-line);border-radius:var(--r-m);
  padding:20px;transition:transform .18s ease,box-shadow .18s ease;
}
.info-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.info-card h3{font-size:18px;margin-bottom:8px;}
.info-card p{font-size:15px;color:var(--c-ink-2);margin:0;}
.info-icon{
  width:40px;height:40px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:#fff;color:var(--c-primary);font-size:17px;margin-bottom:12px;border:1px solid var(--c-line);
}

/* 数据条 */
.stat-strip{background:var(--c-primary);color:#fff;padding:46px 0;}
.stat-strip .grid-x{align-items:center;}
.stat-item{text-align:center;padding:10px 6px;}
.stat-num{font-size:34px;font-weight:700;line-height:1.1;color:#fff;}
.stat-num span{font-size:16px;font-weight:600;margin-left:2px;color:rgba(255,255,255,.8);}
.stat-label{font-size:14px;color:rgba(255,255,255,.82);margin-top:6px;}

/* FAQ */
.faq-wrap{max-width:860px;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-m);
  margin-bottom:12px;box-shadow:var(--sh-1);overflow:hidden;
}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:18px 54px 18px 20px;font-size:17px;font-weight:600;color:var(--c-ink);
  transition:background-color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";position:absolute;right:20px;top:50%;transform:translateY(-50%);
  font-size:22px;font-weight:400;color:var(--c-primary);transition:transform .2s ease;
}
.faq-item[open] summary{background:var(--c-surface-2);}
.faq-item[open] summary::after{content:"−";transform:translateY(-50%) rotate(180deg);}
.faq-item summary:hover{background:var(--c-surface-2);}
.faq-body{padding:4px 20px 20px;font-size:15.5px;color:var(--c-ink-2);line-height:1.85;}

/* CTA 带 */
.cta-band{
  background:linear-gradient(135deg,#0f6b5c 0%,#0a4e43 100%);
  color:#fff;border-radius:var(--r-l);padding:48px 44px;
  box-shadow:var(--sh-2);
}
.cta-band h2{color:#fff;font-size:28px;margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,.85);font-size:16px;max-width:640px;margin-bottom:24px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 页脚 ---------- */
.site-footer{background:#0d1f1b;color:rgba(255,255,255,.78);padding:64px 0 28px;margin-top:0;}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:16px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:18px;font-weight:700;margin-bottom:14px;}
.footer-brand__mark{
  width:32px;height:32px;border-radius:9px;background:var(--c-primary);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:15px;font-weight:700;
}
.footer-about{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.7);margin-bottom:20px;max-width:360px;}
.footer-list{display:flex;flex-direction:column;gap:2px;}
.footer-list a{
  display:inline-block;font-size:14px;line-height:2;color:rgba(255,255,255,.72);
}
.footer-list a:hover{color:#fff;}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(255,255,255,.55);
}
.site-footer .btn--primary:hover{color:#fff;}

/* 锚点定位偏移 */
section[id]{scroll-margin-top:112px;}

/* ---------- 响应式 ---------- */
@media (min-width:1024px){
  .side-col .side-inner{position:sticky;top:104px;}
}
@media (max-width:1023px){
  .page-hero h1{font-size:34px;}
  .content-col > section{padding:26px 22px;}
}
@media (max-width:899px){
  .site-header{top:8px;padding:0 12px;}
  .nav-pill{gap:12px;padding:9px 10px 9px 12px;}
  .brand__text{font-size:15px;}
  .nav-menu{
    position:absolute;left:0;right:0;top:calc(100% + 10px);
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border:1px solid var(--c-line);border-radius:var(--r-l);
    box-shadow:var(--sh-2);padding:10px;display:none;
  }
  .nav-menu.is-open{display:flex;}
  .nav-menu a{padding:13px 14px;font-size:16px;min-height:48px;display:flex;align-items:center;border-radius:10px;}
  .nav-cta{display:none;}
  .nav-toggle{display:inline-flex;margin-left:auto;}
  .info-grid{grid-template-columns:1fr;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .section{padding:52px 0;}
  .section--tight{padding:44px 0;}
  .layout{padding:40px 0 8px;}
  .page-hero{padding:44px 0 40px;}
  .page-hero h1{font-size:29px;}
  .page-hero .sub{font-size:16px;}
  .h2{font-size:22px;}
  .content-col h2{font-size:22px;}
  .content-col h3{font-size:18px;}
  .content-col > section{padding:22px 18px;border-radius:var(--r-m);}
  .stat-num{font-size:26px;}
  .cta-band{padding:32px 22px;border-radius:var(--r-m);}
  .cta-band h2{font-size:22px;}
  .cta-actions .btn{width:100%;}
  .course-row{gap:12px;padding:16px 2px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:520px){
  .brand__text{max-width:130px;overflow:hidden;text-overflow:ellipsis;}
  .hero-tags{gap:8px;}
  .stat-strip{padding:34px 0;}
}