/* roulang page: index */
:root{
  --c-primary:#0E3B36;
  --c-primary-600:#14524A;
  --c-accent:#E2552B;
  --c-accent-soft:#FBE7DE;
  --c-jade:#2E8B7A;
  --c-ink:#16211D;
  --c-ink-2:#4A554F;
  --c-muted:#808B84;
  --c-line:#E3DED3;
  --c-bg:#F7F4EE;
  --c-surface:#FFFFFF;
  --c-placeholder:#EDE8DE;
  --fs-display:clamp(30px,3.4vw,46px);
  --fs-h2:clamp(24px,2.2vw,32px);
  --fs-h3:20px;
  --fs-body:16px;
  --fs-sm:14px;
  --fs-xs:12px;
  --radius-card:16px;
  --radius-btn:10px;
  --radius-thumb:12px;
  --shadow-card:0 1px 2px rgba(22,33,29,.04),0 8px 24px -12px rgba(22,33,29,.12);
  --shadow-card-hover:0 2px 4px rgba(22,33,29,.06),0 16px 36px -14px rgba(22,33,29,.22);
  --shell-w:240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
html body.site-body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:var(--fs-body);
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
.site-body img{max-width:100%;display:block;border:0}
.site-body a{color:inherit;text-decoration:none}
.site-body button,.site-body input{font:inherit;color:inherit}
.site-body h1,.site-body h2,.site-body h3,.site-body h4,.site-body p,.site-body ul,.site-body ol{margin:0}
.site-body ul,.site-body ol{padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums;font-weight:700}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible,.nav-link:focus-visible{
  outline:2px solid var(--c-accent);
  outline-offset:2px;
  border-radius:6px;
}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:1024px){.container{padding:0 32px}}
.section{padding:56px 0}
@media(min-width:1024px){.section{padding:88px 0}}
.divider{height:1px;background:var(--c-line);border:0;margin:0}

/* ---------- App Shell ---------- */
.topbar{
  display:none;
  position:fixed;top:0;left:0;right:0;height:56px;z-index:40;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  align-items:center;gap:12px;padding:0 14px;
}
.topbar-brand{flex:1;min-width:0;font-weight:700;font-size:15px;color:var(--c-primary);white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.icon-btn{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  background:transparent;border:1px solid var(--c-line);border-radius:10px;color:var(--c-primary);
  cursor:pointer;transition:background .18s ease,border-color .18s ease;
}
.icon-btn:hover{background:rgba(14,59,54,.06);border-color:rgba(14,59,54,.22)}
.topbar-cta{
  display:inline-flex;align-items:center;justify-content:center;height:36px;padding:0 14px;
  background:var(--c-primary);color:#fff;border-radius:999px;font-size:13px;font-weight:600;
}
.topbar-cta:hover{background:var(--c-primary-600)}

.mask{display:none;position:fixed;inset:0;background:rgba(22,33,29,.45);z-index:55}
.mask.show{display:block}

.sidebar{
  position:fixed;top:0;left:0;width:var(--shell-w);height:100vh;z-index:60;
  background:var(--c-surface);border-right:1px solid var(--c-line);
  display:flex;flex-direction:column;
  overflow-y:auto;
}
.side-brand{display:block;padding:26px 20px 20px;border-bottom:1px solid var(--c-line)}
.side-brand .mark{
  display:flex;align-items:center;gap:10px;
  font-size:20px;font-weight:700;color:var(--c-primary);line-height:1.35;letter-spacing:-.01em;
}
.side-brand .mark i{font-size:18px;color:var(--c-accent)}
.side-brand .slogan{margin-top:8px;font-size:var(--fs-xs);color:var(--c-muted);line-height:1.7}
.side-nav{padding:16px 12px;display:flex;flex-direction:column;gap:4px;flex:1}
.nav-label{font-size:11px;letter-spacing:.14em;color:var(--c-muted);padding:6px 12px 10px;text-transform:uppercase}
.nav-link{
  position:relative;display:flex;align-items:center;gap:10px;
  padding:11px 12px;border-radius:10px;font-size:14.5px;color:var(--c-ink-2);
  transition:background .18s ease,color .18s ease;
  min-height:44px;
}
.nav-link i{width:18px;text-align:center;font-size:15px;color:var(--c-muted);transition:color .18s ease}
.nav-link:hover{background:rgba(14,59,54,.04);color:var(--c-primary)}
.nav-link:hover i{color:var(--c-primary)}
.nav-link.active{
  background:rgba(14,59,54,.06);color:var(--c-primary);font-weight:600;
}
.nav-link.active i{color:var(--c-primary)}
.nav-link.active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:22px;background:var(--c-accent);border-radius:0 3px 3px 0;
}
.side-foot{padding:16px;border-top:1px solid var(--c-line)}
.side-card{
  background:var(--c-bg);border:1px solid var(--c-line);border-radius:var(--radius-card);
  padding:16px;
}
.side-card h4{font-size:14px;color:var(--c-primary);font-weight:700;margin-bottom:6px}
.side-card p{font-size:var(--fs-xs);color:var(--c-muted);line-height:1.7;margin-bottom:12px}
.side-card .btn{width:100%;justify-content:center}
.side-contact{margin-top:14px;font-size:var(--fs-xs);color:var(--c-muted);line-height:1.9}
.side-contact b{color:var(--c-ink-2);font-weight:600}

.main{margin-left:var(--shell-w);min-height:100vh;display:flex;flex-direction:column}
.main-body{flex:1}

@media(max-width:1023px){
  .topbar{display:flex}
  .sidebar{width:280px;transform:translateX(-100%);transition:transform .28s ease;box-shadow:0 0 40px rgba(22,33,29,.18)}
  .sidebar.open{transform:translateX(0)}
  .main{margin-left:0;padding-top:56px}
  .side-brand{padding-top:20px}
}
@media(min-width:1024px){
  .mask{display:none !important}
}

/* ---------- Buttons / badges / forms ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform .16s ease,background .18s ease,border-color .18s ease,box-shadow .18s ease,color .18s ease;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 8px 20px -14px rgba(14,59,54,.9)}
.btn-primary:hover{background:var(--c-primary-600);transform:translateY(-1px)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-accent-soft);border-color:var(--c-accent);color:var(--c-accent)}
.btn-ghost:active{transform:translateY(1px)}
.btn-sm{height:36px;padding:0 14px;font-size:13.5px;border-radius:9px}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;color:var(--c-primary);font-size:14px;font-weight:600;
  transition:color .18s ease;
}
.link-arrow i{transition:transform .18s ease;font-size:13px}
.link-arrow:hover{color:var(--c-accent)}
.link-arrow:hover i{transform:translateX(3px)}
.badge{
  display:inline-flex;align-items:center;justify-content:center;
  height:24px;padding:0 10px;border-radius:999px;
  font-size:var(--fs-xs);font-weight:600;line-height:1;white-space:nowrap;
}
.badge-cat{background:rgba(14,59,54,.08);color:var(--c-primary)}
.badge-live{background:var(--c-accent);color:#fff}
.badge-soon{background:var(--c-jade);color:#fff}
.badge-end{background:#DCD6CA;color:#5A635C}
.badge-line{background:transparent;border:1px solid var(--c-line);color:var(--c-ink-2)}
.seal{
  width:40px;height:40px;border-radius:999px;border:1px solid var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;font-weight:700;color:var(--c-primary);letter-spacing:.04em;
  flex:0 0 auto;
}
.field{display:flex;flex-direction:column;gap:6px}
.field label{font-size:13px;color:var(--c-ink-2);font-weight:600}
.input{
  height:44px;width:100%;padding:0 14px;border-radius:var(--radius-btn);
  border:1px solid var(--c-line);background:var(--c-surface);color:var(--c-ink);
  font-size:14.5px;transition:border-color .18s ease,box-shadow .18s ease;
}
.input::placeholder{color:#A9B2AC}
.input:hover{border-color:rgba(14,59,54,.28)}
.input:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 2px rgba(226,85,43,.32)}
.input.error{border-color:var(--c-accent);box-shadow:0 0 0 2px rgba(226,85,43,.18)}
.check{display:flex;align-items:flex-start;gap:8px;font-size:12.5px;color:var(--c-muted);line-height:1.7}
.check input{width:16px;height:16px;margin-top:3px;accent-color:var(--c-primary);flex:0 0 auto}
.check a{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px}
.alert{display:none;border-radius:10px;padding:10px 12px;font-size:13px;line-height:1.7}
.alert.show{display:block}
.alert-ok{background:rgba(46,139,122,.12);color:#1F6A5D;border:1px solid rgba(46,139,122,.3)}
.alert-err{background:var(--c-accent-soft);color:#A83E1D;border:1px solid rgba(226,85,43,.3)}

/* ---------- Section heads ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap}
.sec-head .tit{display:flex;align-items:center;gap:12px}
.sec-head .bar{width:4px;height:24px;background:var(--c-accent);border-radius:2px;flex:0 0 auto}
.sec-head h2{font-size:var(--fs-h2);font-weight:700;line-height:1.35;letter-spacing:-.01em;color:var(--c-ink)}
.sec-sub{margin-top:8px;font-size:var(--fs-sm);color:var(--c-muted);max-width:640px}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--c-line);background:var(--c-placeholder)}
.hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  transform:scale(1.02);
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,#F7F4EE 8%,rgba(247,244,238,.95) 34%,rgba(247,244,238,.66) 60%,rgba(247,244,238,.14) 84%,rgba(247,244,238,0) 100%);
}
.hero-pattern{position:absolute;top:-40px;right:-40px;width:360px;height:360px;opacity:.05;z-index:1;pointer-events:none}
.hero-inner{position:relative;z-index:2;padding:56px 0 52px}
@media(min-width:1024px){.hero-inner{padding:84px 0 76px}}
.hero-copy{max-width:660px}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:28px;padding:0 12px;
  background:rgba(14,59,54,.08);color:var(--c-primary);border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.04em;margin-bottom:18px;
}
.hero-eyebrow i{font-size:11px;color:var(--c-accent)}
.hero-title{
  font-size:var(--fs-display);line-height:1.25;font-weight:700;letter-spacing:-.02em;color:var(--c-ink);
}
.hero-sub{margin-top:16px;font-size:16.5px;line-height:1.8;color:var(--c-ink-2);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:10px 24px;margin-top:26px;padding-top:20px;
  border-top:1px solid rgba(14,59,54,.14);font-size:13px;color:var(--c-ink-2);
}
.hero-stats b{font-variant-numeric:tabular-nums;font-weight:700;color:var(--c-primary);margin-right:4px}

/* ---------- Live section ---------- */
.live-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media(min-width:1024px){.live-grid{grid-template-columns:minmax(0,8fr) minmax(0,4fr);align-items:start}}
.card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.card:hover{box-shadow:var(--shadow-card-hover);border-color:rgba(14,59,54,.22);transform:translateY(-2px)}
.live-main{padding:0;overflow:hidden}
.live-cover{position:relative;aspect-ratio:16/9;background:var(--c-placeholder);overflow:hidden}
.live-cover img{width:100%;height:100%;object-fit:cover}
.live-cover .cover-badges{position:absolute;top:14px;left:14px;display:flex;gap:8px;flex-wrap:wrap}
.live-cover .cover-meta{
  position:absolute;left:0;right:0;bottom:0;padding:36px 18px 14px;
  background:linear-gradient(180deg,rgba(22,33,29,0),rgba(22,33,29,.72));
  color:#fff;font-size:13px;display:flex;align-items:center;gap:10px;
}
.live-cover .cover-meta i{color:#FBE7DE}
.live-body{padding:20px}
@media(min-width:1024px){.live-body{padding:24px}}
.live-title{font-size:var(--fs-h3);font-weight:600;line-height:1.5;color:var(--c-ink)}
.live-desc{margin-top:8px;font-size:var(--fs-sm);color:var(--c-ink-2)}

.countdown-wrap{margin-top:18px;padding:16px;border-radius:12px;background:rgba(14,59,54,.05);border:1px solid var(--c-line)}
.countdown-label{display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:12px;color:var(--c-muted);margin-bottom:12px;flex-wrap:wrap}
.countdown-label b{color:var(--c-primary);font-size:13px}
.countdown{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:8px;align-items:center}
.cd-cell{
  background:var(--c-primary);color:#F7F4EE;border-radius:10px;text-align:center;
  padding:10px 4px 8px;
}
.cd-cell .v{font-size:clamp(20px,3.6vw,28px);line-height:1.1;font-variant-numeric:tabular-nums;font-weight:700}
.cd-cell .k{font-size:11px;color:rgba(247,244,238,.72);margin-top:2px;letter-spacing:.06em}
.cd-sep{display:none}
.live-now{
  display:none;align-items:center;gap:12px;padding:16px;border-radius:12px;
  background:rgba(46,139,122,.12);border:1px solid rgba(46,139,122,.3);
}
.live-now .dot{width:10px;height:10px;border-radius:999px;background:var(--c-jade);box-shadow:0 0 0 4px rgba(46,139,122,.18)}
.live-now strong{font-size:15px;color:#1F6A5D}
.live-now span{font-size:13px;color:var(--c-ink-2)}

.points{margin-top:20px}
.points h4{font-size:14px;font-weight:700;color:var(--c-primary);letter-spacing:.02em;margin-bottom:4px}
.point{display:flex;gap:12px;padding:14px 0;border-top:1px solid var(--c-line)}
.point:first-of-type{border-top:1px solid var(--c-line)}
.point .idx{
  width:26px;height:26px;border-radius:999px;flex:0 0 auto;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(14,59,54,.08);color:var(--c-primary);font-size:12.5px;font-weight:700;
  font-variant-numeric:tabular-nums;margin-top:2px;
}
.point .txt strong{display:block;font-size:15px;font-weight:600;color:var(--c-ink);line-height:1.6}
.point .txt span{display:block;font-size:13.5px;color:var(--c-ink-2);line-height:1.7;margin-top:2px}

.sub-card{padding:20px;position:sticky;top:24px}
@media(min-width:1024px){.sub-card{padding:24px;top:24px}}
@media(max-width:1023px){.sub-card{position:static}}
.sub-card h3{font-size:17px;font-weight:700;color:var(--c-ink);line-height:1.5}
.sub-card .hint{margin-top:6px;font-size:13px;color:var(--c-muted);line-height:1.7}
.sub-form{margin-top:16px;display:flex;flex-direction:column;gap:12px}
.replay-title{display:flex;align-items:center;justify-content:space-between;margin-top:22px;padding-top:18px;border-top:1px solid var(--c-line)}
.replay-title h4{font-size:14px;font-weight:700;color:var(--c-primary)}
.replay-list{display:flex;gap:12px;margin-top:12px;overflow-x:auto;padding-bottom:4px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}
.replay-item{
  flex:0 0 168px;scroll-snap-align:start;border:1px solid var(--c-line);border-radius:var(--radius-thumb);
  overflow:hidden;background:var(--c-surface);transition:border-color .18s ease,transform .18s ease;
}
.replay-item:hover{border-color:rgba(14,59,54,.22);transform:translateY(-2px)}
.replay-thumb{position:relative;aspect-ratio:16/10;background:var(--c-placeholder)}
.replay-thumb img{width:100%;height:100%;object-fit:cover}
.replay-thumb .dur{
  position:absolute;right:6px;bottom:6px;background:rgba(22,33,29,.78);color:#fff;
  font-size:11px;padding:1px 6px;border-radius:5px;font-variant-numeric:tabular-nums;
}
.replay-item .cap{padding:8px 10px 10px;font-size:12.5px;line-height:1.6;color:var(--c-ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:42px}

/* ---------- News grid ---------- */
.news-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media(min-width:640px){.news-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1280px){.news-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.news-card{overflow:hidden;display:flex;flex-direction:column}
.news-thumb{display:block;aspect-ratio:16/9;background:var(--c-placeholder);overflow:hidden}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-body{padding:20px;display:flex;flex-direction:column;gap:8px;flex:1}
@media(min-width:1024px){.news-body{padding:22px 24px 24px}}
.news-title{font-size:16.5px;font-weight:600;line-height:1.6;color:var(--c-ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-title a:hover{color:var(--c-primary)}
.news-desc{font-size:13.5px;line-height:1.75;color:var(--c-ink-2);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:auto;padding-top:12px;border-top:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:12.5px;color:var(--c-muted);font-variant-numeric:tabular-nums}
.empty-state{
  grid-column:1/-1;border:1px dashed var(--c-line);border-radius:var(--radius-card);
  background:rgba(255,255,255,.6);padding:44px 24px;text-align:center;
}
.empty-state i{font-size:26px;color:var(--c-muted)}
.empty-state p{margin-top:12px;font-size:14.5px;color:var(--c-ink-2)}
.empty-state .btn{margin-top:16px}

/* ---------- Asymmetric feature ---------- */
.feature-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media(min-width:1024px){.feature-grid{grid-template-columns:minmax(0,2fr) minmax(0,1fr)}}
.feature-card{display:grid;grid-template-columns:1fr;overflow:hidden}
@media(min-width:640px){.feature-card{grid-template-columns:minmax(0,5fr) minmax(0,6fr)}}
.feature-media{background:var(--c-placeholder);min-height:200px}
.feature-media img{width:100%;height:100%;object-fit:cover;min-height:200px}
.feature-text{padding:22px}
@media(min-width:1024px){.feature-text{padding:28px}}
.feature-text h3{font-size:var(--fs-h3);font-weight:600;line-height:1.5;color:var(--c-ink)}
.feature-text p{margin-top:10px;font-size:14.5px;line-height:1.8;color:var(--c-ink-2)}
.feature-text .link-arrow{margin-top:16px}
.side-stack{display:flex;flex-direction:column;gap:24px}
.info-strip{padding:20px 22px;display:flex;gap:14px;align-items:flex-start}
.info-strip .seal{margin-top:2px}
.info-strip h4{font-size:15px;font-weight:700;color:var(--c-ink);line-height:1.6}
.info-strip p{margin-top:6px;font-size:13.5px;line-height:1.75;color:var(--c-ink-2)}
.info-strip a{margin-top:10px;display:inline-flex;font-size:13.5px}

/* ---------- Proof ---------- */
.proof{background:var(--c-surface);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line)}
.proof-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media(min-width:640px){.proof-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.proof-grid{grid-template-columns:repeat(4,minmax(0,1fr))}}
.stat-card{padding:22px;border-radius:var(--radius-card);background:var(--c-bg);border:1px solid var(--c-line)}
.stat-card .v{font-size:clamp(26px,3vw,34px);font-weight:700;color:var(--c-primary);line-height:1.2;font-variant-numeric:tabular-nums}
.stat-card .k{margin-top:6px;font-size:13.5px;color:var(--c-ink-2)}
.stat-card .d{margin-top:8px;font-size:12.5px;color:var(--c-muted);line-height:1.7}
.voice-grid{display:grid;grid-template-columns:1fr;gap:24px;margin-top:24px}
@media(min-width:1024px){.voice-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.voice{padding:22px;border-radius:var(--radius-card);background:var(--c-surface);border:1px solid var(--c-line);box-shadow:var(--shadow-card)}
.voice p{font-size:14.5px;line-height:1.85;color:var(--c-ink-2)}
.voice .who{margin-top:14px;display:flex;align-items:center;gap:10px;font-size:13px;color:var(--c-muted)}
.voice .who .seal{width:34px;height:34px;font-size:11px}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:800px;margin:0 auto}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:8px;
  margin-bottom:12px;overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item:hover{border-color:rgba(14,59,54,.22);box-shadow:var(--shadow-card)}
.faq-item summary{
  list-style:none;cursor:pointer;padding:16px 18px;display:flex;align-items:center;gap:12px;
  font-size:15.5px;font-weight:600;color:var(--c-ink);position:relative;min-height:52px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:0;background:var(--c-accent);border-radius:0 3px 3px 0;transition:height .22s ease;
}
.faq-item[open] summary::before{height:26px}
.faq-item[open] summary{color:var(--c-primary)}
.faq-arrow{
  margin-left:auto;width:9px;height:9px;flex:0 0 auto;
  border-right:1.5px solid var(--c-muted);border-bottom:1.5px solid var(--c-muted);
  transform:rotate(45deg);transition:transform .24s ease,border-color .24s ease;
}
.faq-item[open] .faq-arrow{transform:rotate(-135deg);border-color:var(--c-accent)}
.faq-body{padding:0 18px 18px 18px;font-size:14.5px;line-height:1.85;color:var(--c-ink-2)}
.faq-body p+p{margin-top:10px}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--c-primary);color:#F7F4EE;border-radius:var(--radius-card);
  padding:32px 24px;display:flex;flex-direction:column;gap:18px;align-items:flex-start;
  position:relative;overflow:hidden;
}
@media(min-width:768px){.cta-band{flex-direction:row;align-items:center;justify-content:space-between;padding:38px 40px}}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:999px;
  background:rgba(226,85,43,.18);
}
.cta-band h2{font-size:clamp(20px,2.2vw,26px);font-weight:700;line-height:1.45;position:relative;z-index:1}
.cta-band p{margin-top:8px;font-size:14px;color:rgba(247,244,238,.78);position:relative;z-index:1;max-width:560px}
.cta-band .btn{position:relative;z-index:1;background:var(--c-accent);color:#fff;box-shadow:none}
.cta-band .btn:hover{background:#C9481F}

/* ---------- Footer ---------- */
.footer{background:var(--c-surface);border-top:1px solid var(--c-line);margin-top:8px}
.footer-top{padding:48px 0 32px;display:grid;grid-template-columns:1fr;gap:32px}
@media(min-width:768px){.footer-top{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media(min-width:1024px){.footer-top{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand .mark{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:700;color:var(--c-primary);line-height:1.4}
.footer-brand .mark i{color:var(--c-accent);font-size:15px}
.footer-brand p{margin-top:12px;font-size:13.5px;line-height:1.85;color:var(--c-ink-2);max-width:340px}
.footer h5{font-size:13px;font-weight:700;color:var(--c-primary);letter-spacing:.06em;margin-bottom:14px}
.footer-list li{margin-bottom:10px}
.footer-list a,.footer-list span{font-size:13.5px;color:var(--c-ink-2);transition:color .18s ease}
.footer-list a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:2px;text-decoration-color:var(--c-accent)}
.footer-contact li{display:flex;gap:8px;font-size:13.5px;color:var(--c-ink-2);margin-bottom:10px;line-height:1.7}
.footer-contact i{color:var(--c-muted);margin-top:4px;font-size:12px;width:14px;text-align:center}
.footer-bottom{border-top:1px solid var(--c-line);padding:16px 0 22px;display:flex;flex-direction:column;gap:8px;font-size:12.5px;color:var(--c-muted);line-height:1.8}
@media(min-width:768px){.footer-bottom{flex-direction:row;align-items:center;justify-content:space-between;gap:16px}}
.footer-bottom span{display:inline-block}

/* roulang page: category1 */
:root{
  --c-primary:#0E3B36;
  --c-primary-600:#14524A;
  --c-accent:#E2552B;
  --c-accent-soft:#FBE7DE;
  --c-jade:#2E8B7A;
  --c-ink:#16211D;
  --c-ink-2:#4A554F;
  --c-muted:#808B84;
  --c-line:#E3DED3;
  --c-bg:#F7F4EE;
  --c-surface:#FFFFFF;
  --c-placeholder:#EDE8DE;
  --fs-display:clamp(30px,3.4vw,46px);
  --fs-h2:clamp(24px,2.2vw,32px);
  --fs-h3:20px;
  --fs-body:16px;
  --fs-sm:14px;
  --fs-xs:12px;
  --radius-card:16px;
  --radius-btn:10px;
  --shadow-card:0 1px 2px rgba(22,33,29,.04),0 8px 24px -12px rgba(22,33,29,.12);
  --shadow-card-hover:0 2px 4px rgba(22,33,29,.06),0 16px 34px -14px rgba(22,33,29,.22);
  --sidebar-w:240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:var(--fs-body);
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-primary-600);}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4,h5,p,ul,ol{margin:0;padding:0;}
ul,ol{list-style:none;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;font-weight:700;}

/* ---------- App Shell ---------- */
.topbar{
  display:none;
  position:sticky;top:0;z-index:60;
  height:56px;
  align-items:center;gap:12px;
  padding:0 16px;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
}
.icon-btn{
  width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--c-line);border-radius:10px;background:var(--c-surface);
  color:var(--c-primary);font-size:16px;transition:background .2s ease,border-color .2s ease;
}
.icon-btn:hover{background:rgba(14,59,54,.05);border-color:rgba(14,59,54,.22);}
.topbar-brand{font-size:16px;font-weight:700;color:var(--c-primary);letter-spacing:.01em;}
.topbar-cta{
  margin-left:auto;height:36px;padding:0 14px;display:inline-flex;align-items:center;
  border-radius:999px;background:var(--c-accent);color:#fff;font-size:13px;font-weight:600;
}
.topbar-cta:hover{background:#c9451f;color:#fff;}

.sidebar{
  position:fixed;top:0;left:0;z-index:70;
  width:var(--sidebar-w);height:100vh;
  background:var(--c-surface);
  border-right:1px solid var(--c-line);
  display:flex;flex-direction:column;
  padding:22px 16px 18px;
  overflow-y:auto;
}
.brand{display:flex;align-items:flex-start;gap:10px;margin-bottom:26px;}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  background:var(--c-primary);color:#F7F4EE;
  display:inline-flex;align-items:center;justify-content:center;font-size:16px;
}
.brand-text strong{display:block;font-size:19px;line-height:1.35;font-weight:700;color:var(--c-ink);letter-spacing:-.01em;}
.brand-text em{display:block;font-style:normal;font-size:11.5px;line-height:1.6;color:var(--c-muted);margin-top:2px;}
.side-nav{display:flex;flex-direction:column;gap:2px;}
.side-link{
  position:relative;display:flex;align-items:center;gap:10px;
  min-height:44px;padding:10px 12px;border-radius:10px;
  font-size:14.5px;color:var(--c-ink-2);
  transition:background .2s ease,color .2s ease;
}
.side-link i{font-size:14px;color:var(--c-muted);transition:color .2s ease;}
.side-link:hover{background:rgba(14,59,54,.04);color:var(--c-primary);}
.side-link:hover i{color:var(--c-primary);}
.side-link.active{
  background:rgba(14,59,54,.06);color:var(--c-primary);font-weight:700;
}
.side-link.active i{color:var(--c-primary);}
.side-link.active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;
  border-radius:0 3px 3px 0;background:var(--c-accent);
}
.side-card{
  margin-top:auto;padding:16px;border:1px solid var(--c-line);border-radius:14px;
  background:linear-gradient(180deg,#FCFAF5,#F4F0E7);
}
.side-card h6{font-size:13px;font-weight:700;color:var(--c-primary);margin:0 0 6px;}
.side-card p{font-size:12px;line-height:1.7;color:var(--c-ink-2);margin-bottom:12px;}
.side-card .side-btn{
  display:flex;align-items:center;justify-content:center;gap:6px;
  height:40px;border-radius:10px;background:var(--c-primary);color:#fff;
  font-size:13px;font-weight:600;transition:background .2s ease,transform .2s ease;
}
.side-card .side-btn:hover{background:var(--c-primary-600);color:#fff;transform:translateY(-1px);}
.side-meta{margin-top:12px;font-size:11px;line-height:1.7;color:var(--c-muted);border-top:1px solid var(--c-line);padding-top:10px;}

.scrim{
  position:fixed;inset:0;background:rgba(22,33,29,.45);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:65;
}
.scrim.show{opacity:1;visibility:visible;}

.main{margin-left:var(--sidebar-w);min-height:100vh;}
.container{max-width:1200px;margin:0 auto;padding:0 32px;}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  margin:32px 0 0;
  border:1px solid var(--c-line);border-radius:20px;
  padding:42px 36px 38px;
  background-image:
    linear-gradient(90deg,rgba(247,244,238,.97) 0%,rgba(247,244,238,.93) 52%,rgba(247,244,238,.62) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.hero-index{
  position:absolute;right:18px;bottom:-26px;
  font-size:150px;line-height:1;font-weight:700;
  color:rgba(128,139,132,.16);letter-spacing:-.06em;pointer-events:none;
  font-variant-numeric:tabular-nums;
}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--c-muted);margin-bottom:18px;}
.breadcrumb a{color:var(--c-muted);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb span{color:var(--c-ink-2);}
.hero-tag{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:999px;background:var(--c-accent-soft);color:#B23F1C;
  font-size:12px;font-weight:700;margin-bottom:16px;
}
.page-hero h1{
  font-size:var(--fs-display);line-height:1.28;font-weight:700;letter-spacing:-.02em;
  color:var(--c-ink);max-width:18em;position:relative;z-index:1;
}
.page-hero h1 .accent-line{
  display:inline-block;width:4px;height:26px;border-radius:2px;background:var(--c-accent);
  margin-right:12px;vertical-align:-3px;
}
.hero-sub{
  margin-top:16px;max-width:44em;color:var(--c-ink-2);font-size:15.5px;line-height:1.85;
  position:relative;z-index:1;
}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:10px 28px;margin-top:24px;
  position:relative;z-index:1;font-size:12.5px;color:var(--c-muted);
}
.hero-stats b{color:var(--c-primary);font-weight:700;font-variant-numeric:tabular-nums;}

/* ---------- 通用区块 ---------- */
.section{padding:56px 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:26px;flex-wrap:wrap;}
.section-title{position:relative;padding-left:14px;font-size:var(--fs-h2);line-height:1.35;font-weight:700;color:var(--c-ink);letter-spacing:-.01em;}
.section-title::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:24px;border-radius:2px;background:var(--c-accent);
}
.section-desc{margin-top:10px;font-size:14px;color:var(--c-ink-2);max-width:52em;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);
  text-decoration:underline;text-decoration-color:transparent;text-underline-offset:4px;
  text-decoration-thickness:2px;transition:text-decoration-color .2s ease,color .2s ease;
}
.text-link i{font-size:12px;transition:transform .2s ease;}
.text-link:hover{text-decoration-color:var(--c-accent);color:var(--c-primary-600);}
.text-link:hover i{transform:translateX(2px);}

/* ---------- 双列图文列表 ---------- */
.list-wrap{border-top:1px solid var(--c-line);}
.list-item{
  display:grid;grid-template-columns:minmax(0,340px) minmax(0,1fr);
  gap:28px;align-items:center;
  padding:26px 0;border-bottom:1px solid var(--c-line);
}
.list-item figure{
  position:relative;margin:0;border-radius:12px;overflow:hidden;
  background:var(--c-placeholder);box-shadow:var(--shadow-card);
}
.list-item figure img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s ease;}
.list-item:hover figure img{transform:scale(1.03);}
.list-item .badge-float{
  position:absolute;left:10px;top:10px;height:24px;padding:0 10px;border-radius:999px;
  background:rgba(255,255,255,.94);color:var(--c-primary);font-size:12px;font-weight:700;
  display:inline-flex;align-items:center;gap:5px;
}
.list-body h3{font-size:var(--fs-h3);font-weight:600;color:var(--c-ink);margin-bottom:8px;line-height:1.5;}
.list-body p{font-size:14.5px;color:var(--c-ink-2);line-height:1.8;margin-bottom:6px;}
.list-body .meta{display:flex;flex-wrap:wrap;gap:8px 16px;font-size:12.5px;color:var(--c-muted);margin:10px 0 12px;}
.list-body .meta i{margin-right:5px;}

/* ---------- 提醒方式一览 ---------- */
.hint-panel{
  border:1px solid var(--c-line);border-radius:var(--radius-card);
  background:var(--c-surface);box-shadow:var(--shadow-card);padding:8px 24px;
}
.hint-row{
  display:grid;grid-template-columns:40px minmax(0,1fr);gap:16px;align-items:flex-start;
  padding:20px 0;border-bottom:1px solid var(--c-line);
}
.hint-row:last-child{border-bottom:0;}
.seal{
  width:40px;height:40px;border-radius:50%;border:1px solid rgba(14,59,54,.35);
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--c-primary);font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
  background:rgba(14,59,54,.04);
}
.hint-row h4{font-size:16px;font-weight:600;color:var(--c-ink);margin-bottom:4px;}
.hint-row p{font-size:14px;color:var(--c-ink-2);line-height:1.8;}

/* ---------- 订阅表单 ---------- */
.subscribe-card{
  border:1px solid var(--c-line);border-radius:var(--radius-card);
  background:var(--c-surface);box-shadow:var(--shadow-card);
  padding:28px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,360px);gap:32px;align-items:center;
}
.subscribe-card h2{font-size:24px;line-height:1.4;font-weight:700;margin-bottom:8px;}
.subscribe-card h2::before{
  content:"";display:inline-block;width:4px;height:20px;border-radius:2px;
  background:var(--c-accent);margin-right:10px;vertical-align:-2px;
}
.subscribe-card p{font-size:14px;color:var(--c-ink-2);line-height:1.8;}
.field{margin-bottom:12px;}
.field label{display:block;font-size:13px;color:var(--c-ink-2);margin-bottom:6px;font-weight:600;}
.field input[type="text"]{
  width:100%;height:44px;padding:0 14px;border:1px solid var(--c-line);border-radius:10px;
  background:#FCFBF7;color:var(--c-ink);font-size:14px;line-height:44px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field input[type="text"]::placeholder{color:var(--c-muted);}
.field input[type="text"]:focus{
  outline:none;border-color:var(--c-primary);background:#fff;
  box-shadow:0 0 0 2px rgba(226,85,43,.22);
}
.check{
  display:flex;align-items:flex-start;gap:8px;font-size:12.5px;color:var(--c-ink-2);
  line-height:1.7;margin:2px 0 14px;
}
.check input{margin-top:3px;accent-color:var(--c-primary);width:15px;height:15px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--radius-btn);border:1px solid transparent;
  font-size:14.5px;font-weight:600;transition:transform .18s ease,background .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 8px 18px -12px rgba(14,59,54,.9);}
.btn-primary:hover{background:var(--c-primary-600);color:#fff;transform:translateY(-1px);}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-accent-soft);color:var(--c-primary-600);border-color:var(--c-primary-600);}
.btn-block{width:100%;}
.form-note{
  margin-top:12px;font-size:12.5px;line-height:1.7;border-radius:10px;padding:10px 12px;
  display:none;
}
.form-note.ok{display:block;background:rgba(46,139,122,.1);color:#1F6A5C;border:1px solid rgba(46,139,122,.3);}
.form-note.err{display:block;background:var(--c-accent-soft);color:#B23F1C;border:1px solid rgba(226,85,43,.3);}

/* ---------- FAQ ---------- */
.faq{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq-item{
  border:1px solid var(--c-line);border-radius:8px;background:var(--c-surface);
  overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item:hover{border-color:rgba(14,59,54,.22);box-shadow:var(--shadow-card);}
.faq-item.open{box-shadow:inset 3px 0 0 var(--c-accent),var(--shadow-card);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:52px;padding:14px 18px;background:transparent;border:0;text-align:left;
  font-size:15.5px;font-weight:600;color:var(--c-ink);line-height:1.6;
}
.faq-q i{font-size:12px;color:var(--c-muted);transition:transform .25s ease,color .2s ease;flex:0 0 auto;}
.faq-item.open .faq-q i{transform:rotate(180deg);color:var(--c-accent);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a-inner{padding:0 18px 18px;font-size:14.5px;color:var(--c-ink-2);line-height:1.85;}

/* ---------- CTA ---------- */
.cta-band{
  margin-top:56px;border-radius:20px;background:var(--c-primary);color:#fff;
  padding:34px 36px;display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  box-shadow:0 18px 40px -24px rgba(14,59,54,.7);
}
.cta-band h2{font-size:clamp(20px,2vw,26px);line-height:1.4;font-weight:700;color:#fff;}
.cta-band p{margin-top:8px;font-size:14px;color:rgba(247,244,238,.82);max-width:46em;}
.cta-band .btn-primary{background:var(--c-accent);color:#fff;box-shadow:none;}
.cta-band .btn-primary:hover{background:#c9451f;color:#fff;}
.cta-band .btn-ghost{color:#F7F4EE;border-color:rgba(247,244,238,.5);}
.cta-band .btn-ghost:hover{background:rgba(247,244,238,.14);color:#fff;border-color:#F7F4EE;}

/* ---------- Footer ---------- */
.footer{margin-top:72px;background:var(--c-surface);border-top:1px solid var(--c-line);padding:48px 0 0;}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:36px;}
.footer-brand .mark{
  display:inline-flex;align-items:center;gap:8px;font-size:17px;font-weight:700;color:var(--c-primary);margin-bottom:12px;
}
.footer-brand .mark i{color:var(--c-accent);}
.footer-brand p{font-size:13.5px;color:var(--c-ink-2);line-height:1.85;max-width:30em;}
.footer h5{font-size:13.5px;font-weight:700;color:var(--c-ink);margin-bottom:14px;letter-spacing:.01em;}
.footer-list li{margin-bottom:10px;}
.footer-list a{font-size:13.5px;color:var(--c-ink-2);}
.footer-list a:hover{color:var(--c-primary);text-decoration:underline;text-decoration-thickness:2px;text-decoration-color:var(--c-accent);text-underline-offset:4px;}
.footer-contact li{display:flex;align-items:flex-start;gap:8px;font-size:13px;color:var(--c-ink-2);line-height:1.7;}
.footer-contact i{color:var(--c-muted);margin-top:4px;font-size:12px;}
.footer-bottom{
  border-top:1px solid var(--c-line);padding:18px 0 24px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:12.5px;color:var(--c-muted);
}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 28px;}
  .page-hero h1{max-width:100%;}
}
@media (max-width:1023px){
  .topbar{display:flex;}
  .sidebar{
    transform:translateX(-100%);
    transition:transform .28s ease;
    width:280px;box-shadow:0 0 40px rgba(22,33,29,.18);
  }
  .sidebar.open{transform:translateX(0);}
  .main{margin-left:0;}
  .container{padding:0 20px;}
  .page-hero{margin-top:20px;padding:32px 22px 30px;}
  .hero-index{font-size:110px;right:10px;bottom:-18px;}
  .list-item{grid-template-columns:minmax(0,260px) minmax(0,1fr);gap:20px;}
  .subscribe-card{grid-template-columns:1fr;gap:20px;}
  .footer-top{grid-template-columns:1fr 1fr;gap:26px;}
}
@media (max-width:767px){
  .section{padding-top:44px;}
  .list-item{grid-template-columns:1fr;gap:16px;padding:22px 0;}
  .list-item figure img{aspect-ratio:16/10;}
  .hint-panel{padding:4px 18px;}
  .hint-row{grid-template-columns:34px minmax(0,1fr);gap:12px;}
  .seal{width:34px;height:34px;font-size:12px;}
  .cta-band{padding:28px 22px;}
  .cta-band .btn{width:100%;}
  .footer-top{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .faq-q{font-size:15px;padding:14px 14px;}
  .faq-a-inner{padding:0 14px 16px;}
}
@media (max-width:519px){
  .page-hero h1 .accent-line{height:20px;margin-right:8px;}
  .hero-stats{gap:6px 18px;}
  .subscribe-card{padding:20px;}
  .section-title{font-size:22px;}
  .breadcrumb{flex-wrap:wrap;}
}

/* roulang page: article */
:root{
  --c-primary:#0E3B36;
  --c-primary-600:#14524A;
  --c-accent:#E2552B;
  --c-accent-soft:#FBE7DE;
  --c-jade:#2E8B7A;
  --c-ink:#16211D;
  --c-ink-2:#4A554F;
  --c-muted:#808B84;
  --c-line:#E3DED3;
  --c-bg:#F7F4EE;
  --c-surface:#FFFFFF;
  --c-placeholder:#EDE8DE;
  --c-paper:#F2EEE4;
  --fs-display:clamp(30px,3.4vw,46px);
  --fs-h2:clamp(24px,2.2vw,32px);
  --fs-h3:20px;
  --fs-body:16px;
  --fs-sm:14px;
  --fs-xs:12px;
  --r-card:16px;
  --r-btn:10px;
  --r-thumb:12px;
  --sh-card:0 1px 2px rgba(22,33,29,.04), 0 8px 24px -12px rgba(22,33,29,.12);
  --sh-card-hover:0 2px 6px rgba(22,33,29,.06), 0 16px 34px -14px rgba(22,33,29,.22);
  --sidebar-w:240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:var(--fs-body);
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4,h5,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px;}
.container{max-width:1200px;margin:0 auto;padding:0 20px;}
@media(min-width:1024px){.container{padding:0 32px;}}
.num{font-variant-numeric:tabular-nums;font-weight:700;}

/* ===== App Shell ===== */
.app-body{min-height:100vh;display:flex;flex-direction:column;}
@media(min-width:1024px){.app-body{margin-left:var(--sidebar-w);}}

.sidebar{
  position:fixed;top:0;left:0;z-index:60;
  width:280px;max-width:82vw;height:100vh;
  background:var(--c-surface);
  border-right:1px solid var(--c-line);
  display:flex;flex-direction:column;
  padding:20px 16px;
  overflow-y:auto;
  transform:translateX(-100%);
  transition:transform .3s cubic-bezier(.4,0,.2,1);
}
.sidebar.is-open{transform:translateX(0);}
@media(min-width:1024px){
  .sidebar{width:var(--sidebar-w);max-width:none;transform:none;transition:none;}
}
.drawer-mask{
  position:fixed;inset:0;z-index:55;
  background:rgba(22,33,29,.45);
  opacity:0;pointer-events:none;transition:opacity .25s ease;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}
@media(min-width:1024px){.drawer-mask{display:none;}}

.topbar{
  position:sticky;top:0;z-index:50;
  display:flex;align-items:center;gap:12px;
  height:56px;padding:0 16px;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--c-line);
}
.topbar-brand{flex:1;font-size:15px;font-weight:700;color:var(--c-ink);letter-spacing:.01em;}
.topbar-cta{
  display:inline-flex;align-items:center;height:34px;padding:0 14px;
  border-radius:999px;background:var(--c-primary);color:#fff;
  font-size:13px;font-weight:600;transition:.18s;
}
.topbar-cta:hover{background:var(--c-primary-600);}
.icon-btn{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:10px;
  background:transparent;border:1px solid var(--c-line);
  color:var(--c-ink-2);cursor:pointer;transition:.18s;
}
.icon-btn:hover{background:var(--c-paper);color:var(--c-primary);}
@media(min-width:1024px){.topbar{display:none;}}

.brand{display:flex;align-items:center;gap:10px;padding:2px 8px 16px;border-bottom:1px solid var(--c-line);}
.brand-mark{
  flex:none;width:36px;height:36px;border-radius:10px;
  background:var(--c-primary);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:15px;
}
.brand-text strong{display:block;font-size:16px;font-weight:700;line-height:1.3;color:var(--c-ink);}
.brand-text small{display:block;font-size:11px;line-height:1.6;color:var(--c-muted);margin-top:2px;}

.nav-list{display:flex;flex-direction:column;gap:2px;margin-top:16px;}
.nav-link{
  position:relative;display:flex;align-items:center;gap:10px;
  min-height:44px;padding:0 12px;border-radius:10px;
  font-size:14.5px;font-weight:500;color:var(--c-ink-2);
  transition:background .18s,color .18s;
}
.nav-link i{width:18px;text-align:center;font-size:13.5px;color:var(--c-muted);transition:color .18s;}
.nav-link:hover{background:rgba(14,59,54,.04);color:var(--c-primary);}
.nav-link:hover i{color:var(--c-primary);}
.nav-link.is-active{background:rgba(14,59,54,.06);color:var(--c-primary);font-weight:600;}
.nav-link.is-active i{color:var(--c-primary);}
.nav-link.is-active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:20px;background:var(--c-accent);border-radius:0 3px 3px 0;
}

.sidebar-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--c-line);}
.mini-card{background:var(--c-paper);border:1px solid var(--c-line);border-radius:12px;padding:14px;}
.mini-title{font-size:13px;font-weight:700;color:var(--c-ink);margin-bottom:4px;}
.mini-desc{font-size:12px;line-height:1.7;color:var(--c-ink-2);margin-bottom:10px;}
.foot-meta{list-style:none;margin:12px 0 0;padding:0;display:flex;flex-direction:column;gap:6px;font-size:12px;color:var(--c-muted);}
.foot-meta i{margin-right:6px;color:var(--c-muted);}

/* ===== 通用组件 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;white-space:nowrap;
  border:1px solid transparent;cursor:pointer;
  transition:background .18s,color .18s,box-shadow .18s,transform .18s,border-color .18s;
}
.btn:active{transform:translateY(1px);}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-primary-600);transform:translateY(-1px);box-shadow:0 10px 22px -12px rgba(14,59,54,.75);}
.btn-accent{background:var(--c-accent);color:#fff;}
.btn-accent:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 10px 22px -12px rgba(226,85,43,.8);}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-accent-soft);border-color:var(--c-accent);color:var(--c-accent);}
.btn-sm{height:36px;padding:0 14px;font-size:13px;border-radius:8px;}
.btn-block{width:100%;}

.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.01em;white-space:nowrap;
}
.badge-cat{background:rgba(14,59,54,.08);color:var(--c-primary);}
.badge-live{background:rgba(46,139,122,.12);color:var(--c-jade);}
.badge-soft{background:var(--c-accent-soft);color:var(--c-accent);}

.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:22px;}
.sec-title{position:relative;padding-left:14px;font-size:var(--fs-h2);font-weight:700;line-height:1.35;letter-spacing:-.01em;}
.sec-title::before{content:"";position:absolute;left:0;top:.3em;width:4px;height:24px;background:var(--c-accent);border-radius:2px;}
.sec-sub{font-size:var(--fs-sm);color:var(--c-muted);margin-top:6px;padding-left:14px;line-height:1.7;}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);transition:.18s;}
.text-link i{font-size:12px;transition:transform .18s;}
.text-link:hover{color:var(--c-accent);}
.text-link:hover i{transform:translateX(3px);}

/* ===== 文章页面 ===== */
.page-main{padding:24px 0 0;flex:1;}
@media(min-width:1024px){.page-main{padding:36px 0 0;}}

.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:6px;font-size:12.5px;color:var(--c-muted);margin-bottom:18px;}
.breadcrumb a{color:var(--c-muted);transition:color .18s;}
.breadcrumb a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1.5px;}
.breadcrumb .sep{color:#C3BCAE;}
.breadcrumb .current{color:var(--c-ink-2);max-width:260px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
@media(max-width:520px){.breadcrumb .current{max-width:140px;}}

.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:28px;}
@media(min-width:1280px){
  .article-layout{grid-template-columns:minmax(0,1fr) 280px;gap:40px;align-items:start;}
}

.post{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  padding:24px 20px 30px;
}
@media(min-width:640px){.post{padding:32px 32px 40px;}}
@media(min-width:1024px){.post{padding:40px 44px 48px;}}

.post-title{
  font-size:clamp(22px,2vw,30px);
  font-weight:700;line-height:1.35;letter-spacing:-.01em;
  margin:14px 0 14px;color:var(--c-ink);
}
.post-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13px;color:var(--c-muted);
  padding-bottom:20px;border-bottom:1px solid var(--c-line);
}
.post-meta i{margin-right:5px;font-size:12px;}
.post-meta .dot{width:3px;height:3px;border-radius:50%;background:#C9C2B4;}

.post-body{max-width:760px;font-size:var(--fs-body);line-height:1.85;color:var(--c-ink);padding-top:22px;overflow-wrap:break-word;}
.post-body p{margin:0 0 1.1em;}
.post-body h2{
  position:relative;font-size:22px;font-weight:600;line-height:1.5;
  margin:1.8em 0 .8em;padding-left:14px;color:var(--c-ink);
}
.post-body h2::before{content:"";position:absolute;left:0;top:.32em;width:4px;height:22px;background:var(--c-accent);border-radius:2px;}
.post-body h3{font-size:18px;font-weight:600;line-height:1.6;margin:1.5em 0 .6em;color:var(--c-ink);}
.post-body h4{font-size:16px;font-weight:600;margin:1.3em 0 .5em;}
.post-body a{color:var(--c-primary);text-decoration:underline;text-underline-offset:4px;transition:.18s;}
.post-body a:hover{color:var(--c-accent);}
.post-body blockquote{
  margin:1.4em 0;padding:16px 20px;
  background:var(--c-paper);
  border-left:3px solid var(--c-primary);
  border-radius:0 10px 10px 0;
  color:var(--c-ink-2);font-size:15px;
}
.post-body blockquote p:last-child{margin-bottom:0;}
.post-body ul,.post-body ol{margin:0 0 1.1em;padding-left:1.4em;}
.post-body ul{list-style:disc;}
.post-body ol{list-style:decimal;}
.post-body li{margin:.4em 0;line-height:1.8;}
.post-body img{max-width:100%;height:auto;border-radius:var(--r-thumb);margin:1.4em auto;}
.post-body figure{margin:1.4em 0;}
.post-body figcaption{font-size:13px;color:var(--c-muted);text-align:center;margin-top:8px;}
.post-body table{width:100%;border-collapse:collapse;margin:1.4em 0;font-size:14px;display:block;overflow-x:auto;}
.post-body th,.post-body td{border-bottom:1px solid var(--c-line);padding:10px 12px;text-align:left;}
.post-body th{background:var(--c-paper);font-weight:600;}
.post-body tr:nth-child(even) td{background:#FBFAF6;}
.post-body hr{border:0;border-top:1px solid var(--c-line);margin:2em 0;}

.empty-state{
  margin-top:24px;padding:36px 24px;text-align:center;
  border:1px dashed var(--c-line);border-radius:var(--r-card);
  background:#FBFAF6;
}
.empty-state .empty-icon{
  width:48px;height:48px;margin:0 auto 14px;border-radius:50%;
  background:var(--c-paper);color:var(--c-muted);
  display:flex;align-items:center;justify-content:center;font-size:18px;
}
.empty-state h3{font-size:17px;font-weight:700;margin-bottom:8px;color:var(--c-ink);}
.empty-state p{font-size:14px;color:var(--c-ink-2);margin-bottom:18px;line-height:1.8;}

/* 文章侧栏 */
.aside{display:none;}
@media(min-width:1280px){.aside{display:block;}}
.aside-inner{position:sticky;top:24px;display:flex;flex-direction:column;gap:20px;}
.aside-card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--sh-card);padding:20px;
}
.aside-title{font-size:14px;font-weight:700;color:var(--c-ink);margin-bottom:12px;display:flex;align-items:center;gap:8px;}
.aside-title i{color:var(--c-accent);font-size:12px;}
.aside-text{font-size:13px;line-height:1.75;color:var(--c-ink-2);margin-bottom:14px;}
.toc{list-style:none;margin:0;padding:0;font-size:13.5px;}
.toc a{
  display:block;padding:7px 0 7px 12px;
  border-left:2px solid var(--c-line);
  color:var(--c-ink-2);line-height:1.6;transition:.18s;
}
.toc a:hover{color:var(--c-primary);border-left-color:var(--c-accent);background:rgba(14,59,54,.03);}
.toc-empty{font-size:13px;color:var(--c-muted);line-height:1.7;}

/* 相关推荐 */
.related{margin-top:44px;}
.rel-grid{display:grid;grid-template-columns:1fr;gap:20px;}
@media(min-width:640px){.rel-grid{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.rel-grid{grid-template-columns:repeat(3,1fr);}}
.rel-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-card);box-shadow:var(--sh-card);
  transition:box-shadow .2s,transform .2s,border-color .2s;
}
.rel-card:hover{transform:translateY(-2px);box-shadow:var(--sh-card-hover);border-color:rgba(14,59,54,.22);}
.rel-thumb{aspect-ratio:16/9;background:var(--c-placeholder);overflow:hidden;}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s;}
.rel-card:hover .rel-thumb img{transform:scale(1.04);}
.rel-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rel-body h3{font-size:16px;font-weight:600;line-height:1.5;color:var(--c-ink);}
.rel-body p{font-size:13.5px;line-height:1.7;color:var(--c-ink-2);}
.rel-more{margin-top:auto;padding-top:6px;}

.back-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}

/* 订阅 CTA */
.cta-band{
  position:relative;overflow:hidden;
  margin-top:64px;padding:44px 0;
  background:var(--c-primary);color:#fff;
  scroll-margin-top:72px;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  opacity:.14;
}
.cta-band .container{position:relative;z-index:1;}
.cta-inner{display:grid;grid-template-columns:1fr;gap:26px;align-items:center;}
@media(min-width:900px){.cta-inner{grid-template-columns:1fr 1fr;gap:48px;}}
.cta-inner h2{font-size:clamp(21px,2vw,28px);font-weight:700;line-height:1.4;margin-bottom:12px;letter-spacing:-.01em;}
.cta-inner p{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.78);}
.sub-form{display:flex;flex-wrap:wrap;gap:12px;align-items:flex-start;}
.sub-input{
  flex:1 1 240px;min-width:200px;height:44px;padding:0 14px;
  border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.28);
  background:rgba(255,255,255,.12);
  color:#fff;font-size:14px;transition:.18s;
}
.sub-input::placeholder{color:rgba(255,255,255,.62);}
.sub-input:focus{outline:none;border-color:#fff;box-shadow:0 0 0 3px rgba(226,85,43,.4);}
.sub-msg{flex:1 1 100%;margin:0;font-size:13px;min-height:20px;line-height:1.6;}
.sub-msg.ok{color:#BFE8DC;}
.sub-msg.err{color:#FFD3C6;}

/* ===== 页脚 ===== */
.footer{background:#0B2F2B;color:#C8D6D0;margin-top:72px;padding:52px 0 0;font-size:14px;}
.footer-top{
  display:grid;grid-template-columns:1fr;gap:32px;
  padding-bottom:36px;border-bottom:1px solid rgba(255,255,255,.12);
}
@media(min-width:640px){.footer-top{grid-template-columns:repeat(2,1fr);}}
@media(min-width:1024px){.footer-top{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}}
.footer-brand .mark{display:inline-flex;align-items:center;gap:8px;font-size:17px;font-weight:700;color:#fff;}
.footer-brand .mark i{color:#8FBBAE;}
.footer-brand p{margin-top:12px;font-size:13px;line-height:1.8;color:#9FB3AB;max-width:340px;}
.footer h5{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;}
.footer-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:10px;font-size:13.5px;}
.footer-list a{color:#9FB3AB;transition:color .18s;}
.footer-list a:hover{color:#fff;text-decoration:underline;text-underline-offset:4px;text-decoration-color:var(--c-accent);}
.footer-contact li{display:flex;gap:9px;align-items:flex-start;color:#9FB3AB;line-height:1.7;}
.footer-contact i{margin-top:5px;color:#6E8880;font-size:12px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between;
  padding:20px 0 28px;font-size:12.5px;color:#7E948C;line-height:1.7;
}
@media(max-width:520px){
  .footer{padding-top:40px;margin-top:56px;}
  .post{padding:22px 18px 28px;}
  .btn{height:44px;}
}

/* roulang page: category2 */
:root{
  --c-primary:#0E3B36;
  --c-primary-600:#14524A;
  --c-accent:#E2552B;
  --c-accent-soft:#FBE7DE;
  --c-jade:#2E8B7A;
  --c-ink:#16211D;
  --c-ink-2:#4A554F;
  --c-muted:#808B84;
  --c-line:#E3DED3;
  --c-bg:#F7F4EE;
  --c-surface:#FFFFFF;
  --c-placeholder:#EDE8DE;
  --fs-display:clamp(30px,3.4vw,46px);
  --fs-h2:clamp(24px,2.2vw,32px);
  --fs-h3:20px;
  --fs-body:16px;
  --fs-sm:14px;
  --fs-xs:12px;
  --radius-card:16px;
  --radius-btn:10px;
  --shadow-card:0 1px 2px rgba(22,33,29,.04),0 8px 24px -12px rgba(22,33,29,.12);
  --shadow-card-hover:0 2px 6px rgba(22,33,29,.06),0 16px 36px -16px rgba(22,33,29,.22);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:var(--fs-body);
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,h5,h6,p,ul,ol,figure,dl,dd{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;height:auto;display:block;}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
@media (min-width:1024px){.container{padding-left:32px;padding-right:32px;}}

/* ---------- 顶部栏（<1024） ---------- */
.topbar{
  display:none;
  position:fixed;top:0;left:0;right:0;height:56px;z-index:50;
  align-items:center;gap:12px;padding:0 16px;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  box-shadow:0 1px 2px rgba(22,33,29,.04);
}
.topbar-brand{font-size:16px;font-weight:700;color:var(--c-ink);letter-spacing:-.01em;flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.icon-btn{
  width:44px;height:44px;display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--c-line);border-radius:10px;background:var(--c-surface);
  color:var(--c-primary);font-size:17px;transition:background .18s,border-color .18s;
}
.icon-btn:hover{background:rgba(14,59,54,.06);border-color:rgba(14,59,54,.22);}
.topbar-cta{
  display:inline-flex;align-items:center;justify-content:center;height:36px;padding:0 14px;
  background:var(--c-accent);color:#fff;border-radius:999px;font-size:13px;font-weight:600;
  white-space:nowrap;transition:filter .18s,transform .18s;
}
.topbar-cta:hover{filter:brightness(1.06);transform:translateY(-1px);}

/* ---------- 侧栏 App Shell ---------- */
.sidebar{
  position:fixed;top:0;left:0;width:240px;height:100vh;z-index:60;
  display:flex;flex-direction:column;gap:20px;
  padding:24px 16px 20px;
  background:var(--c-surface);
  border-right:1px solid var(--c-line);
  overflow-y:auto;
  transition:transform .28s ease;
}
.brand{display:flex;align-items:center;gap:10px;}
.brand-mark{
  width:40px;height:40px;flex:none;border-radius:999px;
  display:grid;place-items:center;
  border:1px solid var(--c-line);
  background:rgba(14,59,54,.05);
  color:var(--c-primary);font-size:16px;
}
.brand-text{display:flex;flex-direction:column;min-width:0;}
.brand-name{font-size:20px;font-weight:700;line-height:1.3;letter-spacing:-.01em;color:var(--c-ink);}
.brand-desc{font-size:12px;line-height:1.6;color:var(--c-muted);margin-top:2px;}
.side-nav{display:flex;flex-direction:column;gap:4px;margin-top:4px;}
.nav-link{
  position:relative;display:flex;align-items:center;gap:10px;
  min-height:44px;padding:10px 12px;border-radius:10px;
  font-size:14px;color:var(--c-ink-2);line-height:1.5;
  transition:background .18s,color .18s;
}
.nav-link i{width:18px;text-align:center;font-size:14px;color:var(--c-muted);transition:color .18s;}
.nav-link:hover{background:rgba(14,59,54,.04);color:var(--c-primary);}
.nav-link:hover i{color:var(--c-primary);}
.nav-link.is-active{
  background:rgba(14,59,54,.06);color:var(--c-primary);font-weight:600;
}
.nav-link.is-active i{color:var(--c-primary);}
.nav-link.is-active::before{
  content:"";position:absolute;left:3px;top:50%;transform:translateY(-50%);
  width:3px;height:18px;border-radius:2px;background:var(--c-accent);
}
.sidebar-foot{margin-top:auto;display:flex;flex-direction:column;gap:8px;padding-top:16px;border-top:1px solid var(--c-line);}
.side-cta{
  display:inline-flex;align-items:center;justify-content:space-between;gap:8px;
  height:44px;padding:0 14px;border-radius:10px;
  background:var(--c-primary);color:#fff;font-size:14px;font-weight:600;
  transition:background .18s,transform .18s;
}
.side-cta:hover{background:var(--c-primary-600);transform:translateY(-1px);}
.side-note{font-size:12px;line-height:1.6;color:var(--c-muted);}
.side-copy{font-size:12px;line-height:1.6;color:var(--c-muted);padding-top:6px;border-top:1px dashed var(--c-line);}
.overlay{display:none;}

.main-shell{margin-left:240px;min-height:100vh;display:flex;flex-direction:column;}
.main-shell > main{flex:1;}

/* ---------- 通用板块 ---------- */
.section{padding:48px 0;}
@media (min-width:1024px){.section{padding:72px 0;}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-bottom:28px;}
.section-title{
  position:relative;padding-left:14px;
  font-size:var(--fs-h2);font-weight:700;line-height:1.35;letter-spacing:-.01em;color:var(--c-ink);
}
.section-title::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:24px;border-radius:2px;background:var(--c-accent);
}
.section-sub{font-size:14px;line-height:1.8;color:var(--c-ink-2);max-width:640px;margin-top:10px;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);
  transition:color .18s;
}
.text-link i{transition:transform .18s;font-size:13px;}
.text-link:hover{color:var(--c-primary-600);text-decoration:underline;text-decoration-color:var(--c-accent);text-decoration-thickness:2px;text-underline-offset:4px;}
.text-link:hover i{transform:translateX(2px);}

.badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1;background:rgba(14,59,54,.08);color:var(--c-primary);
}
.badge-accent{background:var(--c-accent-soft);color:#B2411F;}
.badge-jade{background:rgba(46,139,122,.14);color:#1F6B5E;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 20px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background .18s,color .18s,border-color .18s,transform .18s,box-shadow .18s;
}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-primary-600);transform:translateY(-1px);box-shadow:0 10px 22px -14px rgba(14,59,54,.9);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-accent-soft);}
.btn-light{background:#F7F4EE;color:var(--c-primary);}
.btn-light:hover{background:#fff;transform:translateY(-1px);}
.btn-block{width:100%;}

.card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-card);
  transition:box-shadow .2s,border-color .2s,transform .2s;
}
.card:hover{box-shadow:var(--shadow-card-hover);border-color:rgba(14,59,54,.22);transform:translateY(-2px);}

/* ---------- 页面 Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:32px 0 40px;
  border-bottom:1px solid var(--c-line);
  background-image:
    linear-gradient(92deg,rgba(247,244,238,.97) 0%,rgba(247,244,238,.92) 52%,rgba(247,244,238,.62) 100%),
    url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
}
@media (min-width:1024px){.page-hero{padding:48px 0 56px;}}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:12px;color:var(--c-muted);margin-bottom:18px;}
.crumb a{color:var(--c-muted);transition:color .18s;}
.crumb a:hover{color:var(--c-primary);}
.crumb i{font-size:10px;color:var(--c-muted);}
.crumb .current{color:var(--c-ink-2);}
.page-hero h1{
  font-size:var(--fs-display);font-weight:700;line-height:1.25;letter-spacing:-.02em;
  color:var(--c-ink);max-width:22em;margin-top:14px;
}
.hero-lead{
  font-size:15px;line-height:1.9;color:var(--c-ink-2);
  max-width:760px;margin-top:16px;
}
@media (min-width:768px){.hero-lead{font-size:16px;}}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:16px 32px;
  margin-top:24px;padding-top:20px;border-top:1px solid var(--c-line);max-width:760px;
}
.hero-meta div{font-size:12px;line-height:1.6;color:var(--c-muted);}
.hero-meta strong{
  display:block;font-size:16px;font-weight:700;color:var(--c-primary);
  font-variant-numeric:tabular-nums;letter-spacing:-.01em;margin-bottom:2px;
}

/* ---------- 指南双栏 ---------- */
.guide-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:32px;align-items:start;}
@media (min-width:1024px){.guide-layout{grid-template-columns:minmax(0,1fr) 340px;gap:40px;}}
.guide-aside{display:flex;flex-direction:column;gap:16px;order:-1;}
@media (min-width:1024px){
  .guide-aside{order:0;position:sticky;top:24px;}
}
.aside-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-card);
  padding:20px;box-shadow:var(--shadow-card);
}
@media (min-width:1024px){.aside-card{padding:24px;}}
.aside-card h3{font-size:16px;font-weight:700;line-height:1.5;color:var(--c-ink);margin-bottom:14px;}
.kv{display:flex;justify-content:space-between;align-items:flex-start;gap:14px;padding:10px 0;border-bottom:1px dashed var(--c-line);font-size:14px;line-height:1.7;}
.kv:last-of-type{border-bottom:0;}
.kv dt{color:var(--c-muted);flex:none;}
.kv dd{color:var(--c-ink);font-weight:600;text-align:right;}
.aside-card .btn{margin-top:16px;}
.aside-mini{
  font-size:13px;line-height:1.8;color:var(--c-ink-2);
  background:rgba(14,59,54,.04);border:1px solid var(--c-line);border-radius:12px;padding:14px;
}
.aside-mini strong{display:block;color:var(--c-primary);font-size:13px;margin-bottom:4px;}

.step-list{margin-top:4px;}
.step{
  display:grid;grid-template-columns:40px minmax(0,1fr);gap:14px;
  padding:22px 0;border-bottom:1px solid var(--c-line);
}
.step:last-child{border-bottom:0;padding-bottom:4px;}
.step-num{
  width:36px;height:36px;border-radius:999px;display:grid;place-items:center;
  border:1px solid var(--c-line);background:var(--c-surface);
  color:var(--c-primary);font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;
}
.step-title{font-size:18px;font-weight:600;line-height:1.5;color:var(--c-ink);margin-bottom:6px;}
.step p{font-size:15px;line-height:1.85;color:var(--c-ink-2);}
.step-tip{
  margin-top:10px;display:flex;align-items:flex-start;gap:8px;
  font-size:13px;line-height:1.7;color:var(--c-primary);
  background:rgba(14,59,54,.05);border-radius:8px;padding:8px 12px;
}
.step-tip i{font-size:12px;margin-top:4px;color:var(--c-accent);}

.figure-block{margin:24px 0 0;border-radius:12px;overflow:hidden;border:1px solid var(--c-line);background:var(--c-placeholder);}
.figure-block img{width:100%;height:auto;object-fit:cover;}
.figure-block figcaption{font-size:13px;line-height:1.7;color:var(--c-muted);padding:10px 14px;background:var(--c-surface);border-top:1px solid var(--c-line);}

/* ---------- 检查表 ---------- */
.check-grid{display:grid;grid-template-columns:1fr;gap:16px;}
@media (min-width:640px){.check-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1024px){.check-grid{grid-template-columns:repeat(4,minmax(0,1fr));}}
.check-card{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-card);
  padding:20px;box-shadow:var(--shadow-card);
  transition:box-shadow .2s,transform .2s,border-color .2s;
}
.check-card:hover{box-shadow:var(--shadow-card-hover);transform:translateY(-2px);border-color:rgba(14,59,54,.22);}
.check-icon{
  width:40px;height:40px;border-radius:999px;display:grid;place-items:center;
  background:rgba(14,59,54,.06);color:var(--c-primary);font-size:15px;margin-bottom:14px;
}
.check-card h3{font-size:16px;font-weight:600;line-height:1.5;color:var(--c-ink);margin-bottom:6px;}
.check-card p{font-size:14px;line-height:1.8;color:var(--c-ink-2);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:800px;margin:0 auto;}
.faq-item{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:10px;
  margin-bottom:12px;overflow:hidden;transition:border-color .2s;
}
.faq-item summary{
  list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;
  min-height:52px;padding:16px 20px;font-size:15px;font-weight:600;line-height:1.6;color:var(--c-ink);
  transition:background .18s;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:rgba(14,59,54,.03);}
.faq-item summary i{font-size:13px;color:var(--c-muted);flex:none;transition:transform .22s,color .22s;}
.faq-item[open]{border-left:3px solid var(--c-accent);border-color:rgba(14,59,54,.2);}
.faq-item[open] summary i{transform:rotate(180deg);color:var(--c-accent);}
.faq-body{padding:0 20px 18px;font-size:15px;line-height:1.85;color:var(--c-ink-2);}

/* ---------- 订阅 ---------- */
.sub-panel{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--radius-card);
  padding:24px;box-shadow:var(--shadow-card);scroll-margin-top:80px;
}
@media (min-width:1024px){
  .sub-panel{padding:32px;display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px;align-items:start;}
}
.sub-panel h2{font-size:24px;font-weight:700;line-height:1.4;color:var(--c-ink);letter-spacing:-.01em;}
.sub-panel .sub-text{font-size:14px;line-height:1.85;color:var(--c-ink-2);margin-top:10px;}
.sub-list{margin-top:16px;display:flex;flex-direction:column;gap:8px;}
.sub-list li{display:flex;align-items:flex-start;gap:8px;font-size:13px;line-height:1.7;color:var(--c-ink-2);}
.sub-list i{font-size:11px;color:var(--c-jade);margin-top:5px;}
.form-field{margin-bottom:14px;}
.form-field label{display:block;font-size:13px;line-height:1.6;color:var(--c-ink-2);margin-bottom:6px;font-weight:500;}
.form-field input[type="text"]{
  width:100%;height:44px;border:1px solid var(--c-line);border-radius:var(--radius-btn);
  padding:0 14px;background:#fff;font-size:15px;color:var(--c-ink);
  transition:border-color .18s,box-shadow .18s;
}
.form-field input[type="text"]::placeholder{color:var(--c-muted);}
.form-field input[type="text"]:focus{
  outline:none;border-color:var(--c-primary);box-shadow:0 0 0 2px rgba(226,85,43,.35);
}
.form-check{display:flex;align-items:flex-start;gap:10px;font-size:13px;line-height:1.7;color:var(--c-ink-2);margin-bottom:14px;}
.form-check input{width:18px;height:18px;margin-top:3px;flex:none;accent-color:var(--c-primary);}
.form-msg{display:none;margin-top:12px;padding:12px 14px;border-radius:10px;font-size:13px;line-height:1.7;}
.form-msg.ok{background:rgba(46,139,122,.12);color:#1F6B5E;}
.form-msg.err{background:var(--c-accent-soft);color:#B2411F;}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--c-primary);border-radius:var(--radius-card);
  padding:28px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;flex-wrap:wrap;
  color:#F2EFE7;
}
@media (min-width:1024px){.cta-band{padding:36px 40px;}}
.cta-band h2{font-size:24px;font-weight:700;line-height:1.4;letter-spacing:-.01em;color:#fff;}
.cta-band p{font-size:14px;line-height:1.8;color:rgba(247,244,238,.82);margin-top:8px;max-width:560px;}

/* ---------- 页脚 ---------- */
.footer{background:var(--c-surface);border-top:1px solid var(--c-line);margin-top:56px;}
.footer-top{display:grid;grid-template-columns:1fr;gap:28px;padding:40px 0 32px;}
@media (min-width:768px){.footer-top{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media (min-width:1024px){.footer-top{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;padding:48px 0 36px;}}
.footer-brand .mark{
  display:inline-flex;align-items:center;gap:8px;
  font-size:16px;font-weight:700;color:var(--c-ink);margin-bottom:10px;
}
.footer-brand .mark i{color:var(--c-primary);font-size:15px;}
.footer-brand p{font-size:13px;line-height:1.85;color:var(--c-ink-2);max-width:340px;}
.footer h5{font-size:14px;font-weight:700;line-height:1.6;color:var(--c-ink);margin-bottom:12px;}
.footer-list li{font-size:14px;line-height:1.7;color:var(--c-ink-2);margin-bottom:10px;}
.footer-list a{color:var(--c-ink-2);transition:color .18s;}
.footer-list a:hover{color:var(--c-primary);text-decoration:underline;text-decoration-color:var(--c-accent);text-decoration-thickness:2px;text-underline-offset:4px;}
.footer-contact li{display:flex;align-items:flex-start;gap:8px;font-size:13px;}
.footer-contact i{font-size:12px;color:var(--c-muted);margin-top:5px;}
.footer-bottom{
  border-top:1px solid var(--c-line);
  padding:16px 0 24px;
  display:flex;flex-wrap:wrap;gap:8px 24px;justify-content:space-between;
  font-size:12px;line-height:1.7;color:var(--c-muted);
}

/* ---------- 响应式 ---------- */
@media (max-width:1023px){
  .topbar{display:flex;}
  .sidebar{width:280px;transform:translateX(-100%);box-shadow:0 0 40px rgba(22,33,29,.18);}
  .sidebar.open{transform:translateX(0);}
  .overlay.active{
    display:block;position:fixed;inset:0;z-index:55;background:rgba(22,33,29,.45);
  }
  .main-shell{margin-left:0;padding-top:56px;}
  body.menu-open{overflow:hidden;}
}
@media (max-width:520px){
  .hero-meta{gap:12px 20px;}
  .step{grid-template-columns:34px minmax(0,1fr);gap:12px;}
  .step-num{width:32px;height:32px;font-size:13px;}
  .cta-band{padding:24px 20px;}
}

/* roulang page: category3 */
:root{
    --c-primary:#0E3B36;
    --c-primary-600:#14524A;
    --c-accent:#E2552B;
    --c-accent-soft:#FBE7DE;
    --c-jade:#2E8B7A;
    --c-ink:#16211D;
    --c-ink-2:#4A554F;
    --c-muted:#808B84;
    --c-line:#E3DED3;
    --c-bg:#F7F4EE;
    --c-surface:#FFFFFF;
    --c-placeholder:#EDE8DE;
    --fs-display:clamp(30px,3.4vw,46px);
    --fs-h2:clamp(24px,2.2vw,32px);
    --fs-h3:20px;
    --fs-body:16px;
    --fs-sm:14px;
    --fs-xs:12px;
    --r-card:16px;
    --r-btn:10px;
    --r-img:12px;
    --shadow-1:0 1px 2px rgba(22,33,29,.04), 0 8px 24px -12px rgba(22,33,29,.12);
    --shadow-2:0 2px 4px rgba(22,33,29,.06), 0 16px 36px -16px rgba(22,33,29,.20);
    --side-w:240px;
  }
  *,*::before,*::after{box-sizing:border-box}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
  body{
    margin:0;
    font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Helvetica Neue",Arial,sans-serif;
    font-size:var(--fs-body);
    line-height:1.85;
    color:var(--c-ink);
    background:var(--c-bg);
    -webkit-font-smoothing:antialiased;
  }
  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,h5,p,ul,ol{margin:0}
  ul,ol{padding:0;list-style:none}
  strong,b{font-weight:700}
  .num{font-variant-numeric:tabular-nums}
  :focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px}

  .container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
  @media (min-width:1024px){.container{padding-left:32px;padding-right:32px}}

  /* ---------- 顶部栏（移动端） ---------- */
  .topbar{
    position:fixed;top:0;left:0;right:0;height:56px;z-index:50;
    display:flex;align-items:center;gap:12px;padding:0 14px;
    background:var(--c-surface);border-bottom:1px solid var(--c-line);
  }
  .topbar-brand{font-size:15px;font-weight:700;letter-spacing:.01em;color:var(--c-primary);flex:1;min-width:0;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
  .icon-btn{
    width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;
    border:1px solid var(--c-line);border-radius:10px;background:var(--c-surface);
    color:var(--c-primary);cursor:pointer;transition:background .18s ease,border-color .18s ease;
  }
  .icon-btn:hover{background:rgba(14,59,54,.05);border-color:rgba(14,59,54,.22)}
  .icon-btn:active{transform:translateY(1px)}
  .topbar-cta{
    display:inline-flex;align-items:center;height:34px;padding:0 14px;border-radius:999px;
    background:var(--c-accent);color:#fff;font-size:13px;font-weight:600;white-space:nowrap;
    transition:filter .18s ease,transform .18s ease;
  }
  .topbar-cta:hover{filter:brightness(1.06)}
  .topbar-cta:active{transform:translateY(1px)}
  @media (min-width:1024px){.topbar{display:none}}

  .overlay{
    position:fixed;inset:0;background:rgba(22,33,29,.45);z-index:55;
    opacity:0;visibility:hidden;transition:opacity .26s ease,visibility .26s ease;
  }
  .overlay.show{opacity:1;visibility:visible}

  /* ---------- 左侧 App Shell ---------- */
  .sidebar{
    position:fixed;top:0;left:0;bottom:0;width:var(--side-w);z-index:60;
    background:var(--c-surface);border-right:1px solid var(--c-line);
    display:flex;flex-direction:column;gap:22px;
    padding:24px 16px 20px;overflow-y:auto;
    transform:translateX(-100%);transition:transform .28s ease;
  }
  .sidebar.open{transform:translateX(0)}
  @media (min-width:1024px){.sidebar{transform:translateX(0)}}
  .brand-mark{
    display:flex;align-items:center;gap:9px;
    font-size:20px;font-weight:700;letter-spacing:-.01em;color:var(--c-primary);line-height:1.3;
  }
  .brand-mark i{font-size:17px;color:var(--c-accent)}
  .brand-note{font-size:12px;color:var(--c-muted);line-height:1.6;margin-top:8px}
  .side-nav{display:flex;flex-direction:column;gap:2px}
  .side-link{
    position:relative;display:block;padding:11px 12px 11px 16px;border-radius:8px;
    font-size:14.5px;color:var(--c-ink-2);line-height:1.5;
    transition:background .18s ease,color .18s ease;
  }
  .side-link::before{
    content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
    width:3px;height:0;border-radius:2px;background:var(--c-accent);
    transition:height .2s ease;
  }
  .side-link:hover{background:rgba(14,59,54,.04);color:var(--c-primary)}
  .side-link.active{background:rgba(14,59,54,.06);color:var(--c-primary);font-weight:600}
  .side-link.active::before{height:18px}
  .side-card{
    margin-top:auto;background:var(--c-bg);border:1px solid var(--c-line);
    border-radius:12px;padding:14px;
  }
  .side-card .card-title{font-size:13.5px;font-weight:700;color:var(--c-primary)}
  .side-card .card-note{font-size:12px;color:var(--c-ink-2);line-height:1.7;margin:6px 0 12px}
  .side-foot{border-top:1px solid var(--c-line);padding-top:14px;font-size:11.5px;color:var(--c-muted);line-height:1.8}
  .side-foot a:hover{color:var(--c-primary)}

  .app-main{margin-left:0;padding-top:56px;min-height:100vh}
  @media (min-width:1024px){.app-main{margin-left:var(--side-w);padding-top:0}}

  /* ---------- 按钮 ---------- */
  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    height:44px;padding:0 20px;border-radius:var(--r-btn);border:1px solid transparent;
    font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
    transition:background .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease,border-color .18s ease;
  }
  .btn-primary{background:var(--c-primary);color:#fff}
  .btn-primary:hover{background:var(--c-primary-600);transform:translateY(-1px);box-shadow:0 8px 18px -10px rgba(14,59,54,.6)}
  .btn-primary:active{transform:translateY(0);box-shadow:none}
  .btn-ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary)}
  .btn-ghost:hover{background:var(--c-accent-soft);border-color:var(--c-primary)}
  .btn-ghost:active{transform:translateY(1px)}
  .btn-sm{height:38px;padding:0 16px;font-size:13.5px;width:100%}
  .link-arrow{
    display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);
  }
  .link-arrow i{font-size:12px;transition:transform .18s ease}
  .link-arrow:hover{text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px;text-decoration-color:var(--c-accent)}
  .link-arrow:hover i{transform:translateX(2px)}

  /* ---------- 徽章 ---------- */
  .badge{
    display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
    font-size:12px;font-weight:600;line-height:1;white-space:nowrap;
  }
  .badge-soft{background:rgba(14,59,54,.08);color:var(--c-primary)}
  .badge-accent{background:var(--c-accent-soft);color:var(--c-accent)}
  .badge-jade{background:rgba(46,139,122,.12);color:var(--c-jade)}
  .seal{
    display:inline-flex;align-items:center;justify-content:center;
    width:44px;height:44px;border-radius:50%;border:1px solid var(--c-accent);
    color:var(--c-accent);font-size:12px;font-weight:700;letter-spacing:.06em;
  }

  /* ---------- Hero ---------- */
  .cat-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--c-line);padding:44px 0 46px}
  .cat-hero-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;opacity:.34}
  .cat-hero-bg::after{
    content:"";position:absolute;inset:0;
    background:linear-gradient(100deg,var(--c-bg) 34%,rgba(247,244,238,.92) 60%,rgba(247,244,238,.62) 100%);
  }
  .cat-hero .container{position:relative;z-index:2}
  .cat-hero h1{
    font-size:var(--fs-display);line-height:1.25;font-weight:700;letter-spacing:-.02em;
    color:var(--c-primary);margin:16px 0 16px;max-width:22em;
  }
  .hero-lede{font-size:16.5px;line-height:1.85;color:var(--c-ink-2);max-width:36em}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
  .hero-stats{
    display:flex;flex-wrap:wrap;gap:10px 26px;margin-top:26px;padding-top:18px;
    border-top:1px solid var(--c-line);font-size:12.5px;color:var(--c-muted);
  }
  .hero-stats b{font-size:16px;color:var(--c-primary);font-weight:700;margin-right:4px}
  @media (min-width:768px){.cat-hero{padding:64px 0 66px}}

  /* ---------- 区块通用 ---------- */
  .section{padding:44px 0}
  @media (min-width:1024px){.section{padding:64px 0}}
  .sec-head{max-width:760px;margin-bottom:28px}
  .sec-title{
    display:flex;align-items:center;gap:12px;
    font-size:var(--fs-h2);line-height:1.35;font-weight:700;color:var(--c-primary);letter-spacing:-.01em;
  }
  .sec-title::before{content:"";flex:0 0 auto;width:4px;height:24px;border-radius:2px;background:var(--c-accent)}
  .sec-desc{margin-top:12px;font-size:15px;color:var(--c-ink-2);line-height:1.8}

  /* ---------- 交错图文 ---------- */
  .zig-list{display:flex;flex-direction:column;gap:0}
  .zig{
    display:grid;grid-template-columns:1fr;gap:20px;
    padding:26px 0;border-bottom:1px solid var(--c-line);
  }
  .zig:first-child{padding-top:0}
  .zig:last-child{border-bottom:0;padding-bottom:0}
  .zig-media{
    position:relative;border-radius:var(--r-img);overflow:hidden;background:var(--c-placeholder);
    box-shadow:var(--shadow-1);
  }
  .zig-media img{width:100%;aspect-ratio:3/2;object-fit:cover;transition:transform .5s ease}
  .zig:hover .zig-media img{transform:scale(1.02)}
  .zig-media .idx{
    position:absolute;left:12px;top:12px;height:26px;padding:0 10px;border-radius:999px;
    background:rgba(22,33,29,.72);color:#fff;font-size:12px;font-weight:700;
    display:inline-flex;align-items:center;font-variant-numeric:tabular-nums;
  }
  .zig-body{display:flex;flex-direction:column;justify-content:center}
  .zig-body h3{font-size:var(--fs-h3);line-height:1.5;font-weight:600;color:var(--c-ink);margin-bottom:10px}
  .zig-body p{font-size:15px;line-height:1.85;color:var(--c-ink-2);margin-bottom:14px}
  .zig-meta{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
  @media (min-width:768px){
    .zig{grid-template-columns:1fr 1fr;gap:36px;align-items:center;padding:34px 0}
    .zig-rev .zig-media{order:2}
    .zig-media img{aspect-ratio:3/2}
  }

  /* ---------- 流程 ---------- */
  .flow-grid{display:grid;grid-template-columns:1fr;gap:16px}
  @media (min-width:640px){.flow-grid{grid-template-columns:1fr 1fr}}
  @media (min-width:1024px){.flow-grid{grid-template-columns:repeat(4,1fr)}}
  .flow-card{
    background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
    padding:20px;box-shadow:var(--shadow-1);
    transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  }
  .flow-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-2);border-color:rgba(14,59,54,.22)}
  .flow-num{
    display:inline-flex;align-items:center;justify-content:center;
    width:34px;height:34px;border-radius:50%;background:rgba(14,59,54,.08);
    color:var(--c-primary);font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;margin-bottom:14px;
  }
  .flow-card h3{font-size:16.5px;font-weight:600;line-height:1.5;margin-bottom:8px}
  .flow-card p{font-size:14px;line-height:1.8;color:var(--c-ink-2)}

  /* ---------- 提示条 ---------- */
  .tips-grid{display:grid;grid-template-columns:1fr;gap:14px}
  @media (min-width:768px){.tips-grid{grid-template-columns:repeat(3,1fr)}}
  .tip{
    display:flex;gap:14px;align-items:flex-start;
    background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-card);
    padding:18px 20px;box-shadow:var(--shadow-1);
    transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
  }
  .tip:hover{border-color:rgba(14,59,54,.22);box-shadow:var(--shadow-2);transform:translateY(-2px)}
  .tip-icon{
    flex:0 0 auto;width:38px;height:38px;border-radius:10px;display:inline-flex;
    align-items:center;justify-content:center;background:rgba(46,139,122,.12);color:var(--c-jade);font-size:15px;
  }
  .tip h4{font-size:15.5px;font-weight:600;margin-bottom:4px;line-height:1.5}
  .tip p{font-size:13.5px;line-height:1.8;color:var(--c-ink-2)}

  /* ---------- FAQ ---------- */
  .faq-wrap{max-width:800px;margin:0 auto}
  .faq-item{
    background:var(--c-surface);border:1px solid var(--c-line);border-radius:8px;
    margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
  }
  .faq-item:hover{border-color:rgba(14,59,54,.22)}
  .faq-item summary{
    position:relative;list-style:none;cursor:pointer;
    padding:15px 46px 15px 16px;border-left:3px solid transparent;
    font-size:15.5px;font-weight:600;line-height:1.6;color:var(--c-ink);
    transition:border-color .2s ease,background .2s ease;
  }
  .faq-item summary::-webkit-details-marker{display:none}
  .faq-item summary::after{
    content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
    position:absolute;right:16px;top:50%;transform:translateY(-50%);
    font-size:11px;color:var(--c-muted);transition:transform .22s ease;
  }
  .faq-item summary:hover{background:rgba(14,59,54,.03)}
  .faq-item[open]{box-shadow:var(--shadow-1)}
  .faq-item[open] summary{border-left-color:var(--c-accent);background:rgba(14,59,54,.03)}
  .faq-item[open] summary::after{transform:translateY(-50%) rotate(180deg);color:var(--c-accent)}
  .faq-body{padding:0 18px 18px;font-size:14.5px;line-height:1.85;color:var(--c-ink-2);border-left:3px solid var(--c-accent)}

  /* ---------- 订阅 CTA ---------- */
  .cta-band{
    background:var(--c-primary);color:#fff;border-radius:var(--r-card);
    padding:30px 22px;position:relative;overflow:hidden;
  }
  .cta-band::after{
    content:"";position:absolute;right:-60px;top:-60px;width:220px;height:220px;border-radius:50%;
    background:radial-gradient(circle,rgba(226,85,43,.28),rgba(226,85,43,0) 70%);
  }
  .cta-band .inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr;gap:22px;align-items:center}
  .cta-band h2{font-size:clamp(21px,2vw,26px);line-height:1.4;font-weight:700;margin-bottom:8px}
  .cta-band p{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.78)}
  .sub-form{display:flex;flex-direction:column;gap:10px}
  .sub-form .row{display:flex;flex-direction:column;gap:10px}
  .sub-form label{font-size:13px;color:rgba(255,255,255,.82)}
  .sub-form input[type="text"]{
    height:44px;border-radius:var(--r-btn);border:1px solid rgba(255,255,255,.28);
    background:rgba(255,255,255,.08);color:#fff;padding:0 14px;font-size:14.5px;width:100%;
    transition:border-color .18s ease,background .18s ease,box-shadow .18s ease;
  }
  .sub-form input[type="text"]::placeholder{color:rgba(255,255,255,.5)}
  .sub-form input[type="text"]:focus{
    outline:none;border-color:var(--c-accent);background:rgba(255,255,255,.14);
    box-shadow:0 0 0 2px rgba(226,85,43,.35);
  }
  .sub-form .btn-submit{background:var(--c-accent);color:#fff;width:100%}
  .sub-form .btn-submit:hover{filter:brightness(1.07);transform:translateY(-1px)}
  .sub-form .btn-submit:active{transform:translateY(0)}
  .privacy{display:flex;align-items:flex-start;gap:8px;font-size:12.5px;color:rgba(255,255,255,.7);line-height:1.7}
  .privacy input{margin-top:4px;accent-color:var(--c-accent)}
  .form-msg{display:none;font-size:13px;padding:8px 12px;border-radius:8px;line-height:1.7}
  .form-msg.ok{display:block;background:rgba(46,139,122,.22);color:#D6F2EB}
  .form-msg.err{display:block;background:rgba(226,85,43,.2);color:#FFD9CB}
  @media (min-width:768px){
    .cta-band{padding:38px 36px}
    .cta-band .inner{grid-template-columns:1.15fr 1fr;gap:36px}
    .sub-form .row{flex-direction:row}
    .sub-form input[type="text"]{flex:1}
    .sub-form .btn-submit{width:auto;flex:0 0 auto;padding:0 22px}
  }

  /* ---------- 页脚 ---------- */
  .footer{background:var(--c-surface);border-top:1px solid var(--c-line);margin-top:56px;padding:44px 0 22px}
  .footer-top{display:grid;grid-template-columns:1fr;gap:28px}
  @media (min-width:640px){.footer-top{grid-template-columns:1fr 1fr}}
  @media (min-width:1024px){.footer-top{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px}}
  .footer-brand .mark{
    display:inline-flex;align-items:center;gap:9px;
    font-size:17px;font-weight:700;color:var(--c-primary);margin-bottom:10px;
  }
  .footer-brand .mark i{font-size:15px;color:var(--c-accent)}
  .footer-brand p{font-size:13.5px;line-height:1.85;color:var(--c-ink-2);max-width:34em}
  .footer h5{font-size:13.5px;font-weight:700;color:var(--c-ink);margin-bottom:12px;letter-spacing:.02em}
  .footer-list{display:flex;flex-direction:column;gap:9px}
  .footer-list a{font-size:13.5px;color:var(--c-ink-2);transition:color .18s ease}
  .footer-list a:hover{color:var(--c-primary);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px;text-decoration-color:var(--c-accent)}
  .footer-contact li{display:flex;align-items:flex-start;gap:8px;font-size:13px;color:var(--c-ink-2);line-height:1.7}
  .footer-contact i{color:var(--c-muted);font-size:13px;margin-top:5px}
  .footer-bottom{
    margin-top:34px;padding-top:18px;border-top:1px solid var(--c-line);
    display:flex;flex-direction:column;gap:6px;
    font-size:12.5px;color:var(--c-muted);line-height:1.7;
  }
  @media (min-width:768px){.footer-bottom{flex-direction:row;justify-content:space-between;align-items:center;gap:20px}}

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

/* roulang page: category4 */
:root{
  --c-primary:#0E3B36;
  --c-primary-600:#14524A;
  --c-accent:#E2552B;
  --c-accent-soft:#FBE7DE;
  --c-jade:#2E8B7A;
  --c-ink:#16211D;
  --c-ink-2:#4A554F;
  --c-muted:#808B84;
  --c-line:#E3DED3;
  --c-bg:#F7F4EE;
  --c-surface:#FFFFFF;
  --c-placeholder:#EDE8DE;
  --fs-display:clamp(30px,3.4vw,46px);
  --fs-h2:clamp(24px,2.2vw,32px);
  --fs-h3:20px;
  --fs-body:16px;
  --fs-sm:14px;
  --fs-xs:12px;
  --r-card:16px;
  --r-btn:10px;
  --sh-card:0 1px 2px rgba(22,33,29,.04), 0 8px 24px -12px rgba(22,33,29,.12);
  --sh-card-h:0 2px 4px rgba(22,33,29,.06), 0 16px 32px -14px rgba(22,33,29,.2);
  --sidebar-w:240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:var(--fs-body);
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto;}
a{color:inherit;text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--c-primary);}
button,input{font-family:inherit;font-size:inherit;}
button{cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,h5{
  margin:0;
  color:var(--c-ink);
  font-weight:700;
  line-height:1.35;
  letter-spacing:-.01em;
}
p{margin:0;}
:focus-visible{outline:2px solid var(--c-accent);outline-offset:2px;border-radius:4px;}
::selection{background:var(--c-accent-soft);color:var(--c-primary);}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}
@media (min-width:1024px){
  .container{padding-left:32px;padding-right:32px;}
}

/* ============ 顶部栏（移动端） ============ */
.topbar{
  display:none;
  position:fixed;
  top:0;left:0;right:0;
  height:56px;
  z-index:70;
  align-items:center;
  gap:12px;
  padding:0 14px;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid var(--c-line);
}
.icon-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:44px;height:44px;
  border:1px solid var(--c-line);
  border-radius:10px;
  background:var(--c-surface);
  color:var(--c-primary);
  font-size:16px;
  transition:background .18s ease,border-color .18s ease;
}
.icon-btn:hover{background:rgba(14,59,54,.06);border-color:rgba(14,59,54,.22);}
.topbar-brand{
  font-weight:700;
  font-size:16px;
  color:var(--c-primary);
  letter-spacing:.01em;
  flex:1 1 auto;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}
.topbar-cta{
  display:inline-flex;
  align-items:center;
  height:36px;
  padding:0 14px;
  border-radius:999px;
  background:var(--c-primary);
  color:#fff;
  font-size:13px;
  font-weight:600;
  white-space:nowrap;
}
.topbar-cta:hover{background:var(--c-primary-600);color:#fff;}

/* ============ 左侧导航 ============ */
.sidebar{
  position:fixed;
  top:0;left:0;
  width:var(--sidebar-w);
  height:100vh;
  z-index:80;
  display:flex;
  flex-direction:column;
  gap:24px;
  padding:26px 16px 20px;
  background:var(--c-surface);
  border-right:1px solid var(--c-line);
  overflow-y:auto;
}
.sidebar-brand{padding:0 6px;}
.brand-mark{
  display:flex;
  align-items:center;
  gap:9px;
  font-size:20px;
  font-weight:700;
  color:var(--c-primary);
  line-height:1.3;
  letter-spacing:-.01em;
}
.brand-mark i{font-size:17px;color:var(--c-accent);}
.brand-note{
  margin-top:8px;
  font-size:var(--fs-xs);
  color:var(--c-muted);
  line-height:1.6;
}
.side-nav{display:flex;flex-direction:column;gap:2px;}
.side-link{
  position:relative;
  display:flex;
  align-items:center;
  min-height:44px;
  padding:10px 12px 10px 14px;
  border-radius:10px;
  font-size:15px;
  color:var(--c-ink-2);
  line-height:1.45;
  transition:background .18s ease,color .18s ease;
}
.side-link:hover{background:rgba(14,59,54,.04);color:var(--c-primary);}
.side-link.active{
  background:rgba(14,59,54,.06);
  color:var(--c-primary);
  font-weight:600;
}
.side-link.active::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  transform:translateY(-50%);
  width:3px;height:22px;
  border-radius:0 3px 3px 0;
  background:var(--c-accent);
}
.sidebar-foot{
  margin-top:auto;
  padding:16px 14px;
  border:1px solid var(--c-line);
  border-radius:14px;
  background:rgba(247,244,238,.7);
}
.side-cta{
  display:flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:40px;
  border-radius:10px;
  background:var(--c-primary);
  color:#fff;
  font-size:13px;
  font-weight:600;
}
.side-cta:hover{background:var(--c-primary-600);color:#fff;}
.side-contact{
  margin-top:12px;
  font-size:var(--fs-xs);
  color:var(--c-ink-2);
  display:flex;
  align-items:center;
  gap:6px;
  word-break:break-all;
}
.side-reg{
  margin-top:6px;
  font-size:11px;
  color:var(--c-muted);
}
.scrim{
  display:none;
  position:fixed;
  inset:0;
  z-index:75;
  background:rgba(22,33,29,.45);
}
.scrim.show{display:block;}

.main{
  margin-left:var(--sidebar-w);
  min-height:100vh;
  display:flex;
  flex-direction:column;
}
@media (max-width:1023px){
  .topbar{display:flex;}
  .sidebar{
    width:280px;
    transform:translateX(-100%);
    transition:transform .26s ease;
    box-shadow:0 0 40px -12px rgba(22,33,29,.35);
  }
  .sidebar.open{transform:translateX(0);}
  .main{margin-left:0;padding-top:56px;}
}

/* ============ 通用组件 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:44px;
  padding:0 20px;
  border:1px solid transparent;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  white-space:nowrap;
  cursor:pointer;
  transition:transform .18s ease,background .18s ease,border-color .18s ease,box-shadow .18s ease,color .18s ease;
}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-primary-600);color:#fff;transform:translateY(-1px);box-shadow:0 12px 22px -14px rgba(14,59,54,.75);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;border-color:rgba(14,59,54,.35);color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-accent-soft);border-color:var(--c-accent);color:var(--c-primary);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.link-more{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:var(--fs-sm);
  font-weight:600;
  color:var(--c-primary);
}
.link-more i{font-size:12px;transition:transform .18s ease;}
.link-more:hover i{transform:translateX(2px);}
.badge{
  display:inline-flex;
  align-items:center;
  height:24px;
  padding:0 10px;
  border-radius:999px;
  font-size:var(--fs-xs);
  font-weight:600;
  line-height:1;
  letter-spacing:.02em;
}
.badge-primary{background:rgba(14,59,54,.08);color:var(--c-primary);}
.badge-accent{background:var(--c-accent-soft);color:#A63C19;}
.badge-jade{background:rgba(46,139,122,.12);color:#21685B;}

.section{padding:56px 0;}
.section-tight{padding:44px 0;}
@media (min-width:1024px){
  .section{padding:88px 0;}
  .section-tight{padding:64px 0;}
}
.section-head{margin-bottom:28px;}
.section-head h2{
  font-size:var(--fs-h2);
  font-weight:700;
  display:flex;
  align-items:center;
  gap:12px;
}
.section-head h2::before{
  content:"";
  width:4px;height:24px;
  border-radius:2px;
  background:var(--c-accent);
  flex:none;
}
.section-head p{
  margin-top:10px;
  font-size:var(--fs-sm);
  color:var(--c-ink-2);
  max-width:680px;
}

/* ============ Hero ============ */
.hero{
  position:relative;
  overflow:hidden;
  border-bottom:1px solid var(--c-line);
  background:var(--c-bg);
}
.hero-bg{
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center right;
  opacity:.5;
}
.hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(100deg, rgba(247,244,238,.98) 0%, rgba(247,244,238,.92) 42%, rgba(247,244,238,.62) 72%, rgba(247,244,238,.42) 100%);
}
.hero-inner{
  position:relative;
  z-index:2;
  padding:52px 0 46px;
}
@media (min-width:1024px){
  .hero-inner{padding:78px 0 68px;}
}
.hero-watermark{
  position:absolute;
  right:0;
  top:26px;
  font-size:clamp(76px,13vw,148px);
  font-weight:700;
  line-height:1;
  color:rgba(22,33,29,.07);
  letter-spacing:-.04em;
  user-select:none;
  pointer-events:none;
}
.hero-eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:28px;
  padding:0 12px;
  border-radius:999px;
  background:rgba(255,255,255,.8);
  border:1px solid var(--c-line);
  font-size:var(--fs-xs);
  color:var(--c-primary);
  font-weight:600;
}
.hero h1{
  margin-top:18px;
  font-size:var(--fs-display);
  line-height:1.25;
  letter-spacing:-.02em;
  max-width:15em;
}
.hero-lead{
  margin-top:18px;
  max-width:660px;
  font-size:16px;
  line-height:1.85;
  color:var(--c-ink-2);
}
.hero-meta{
  margin-top:24px;
  display:flex;
  flex-wrap:wrap;
  gap:10px 28px;
  font-size:var(--fs-sm);
  color:var(--c-ink-2);
}
.hero-meta span strong{
  font-variant-numeric:tabular-nums;
  font-weight:700;
  color:var(--c-primary);
  font-size:17px;
  margin-right:4px;
}
.hero-actions{
  margin-top:28px;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}

/* ============ 时间轴 ============ */
.timeline{
  position:relative;
  margin-top:8px;
  padding-left:34px;
}
.timeline::before{
  content:"";
  position:absolute;
  left:11px;
  top:8px;
  bottom:8px;
  width:2px;
  background:linear-gradient(180deg, rgba(14,59,54,.28), rgba(226,85,43,.28));
  border-radius:2px;
}
.tl-item{position:relative;padding-bottom:22px;}
.tl-item:last-child{padding-bottom:0;}
.tl-dot{
  position:absolute;
  left:-34px;
  top:22px;
  width:14px;height:14px;
  border-radius:50%;
  background:var(--c-primary);
  border:3px solid var(--c-bg);
  box-shadow:0 0 0 1px rgba(14,59,54,.25);
}
.tl-item:nth-child(even) .tl-dot{background:var(--c-accent);box-shadow:0 0 0 1px rgba(226,85,43,.28);}
.tl-card{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  padding:20px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.tl-card:hover{transform:translateY(-2px);box-shadow:var(--sh-card-h);border-color:rgba(14,59,54,.22);}
.tl-step{
  display:inline-flex;
  align-items:center;
  height:22px;
  padding:0 9px;
  border-radius:999px;
  background:rgba(14,59,54,.08);
  color:var(--c-primary);
  font-size:11px;
  font-weight:700;
  letter-spacing:.04em;
  font-variant-numeric:tabular-nums;
}
.tl-card h3{
  margin-top:10px;
  font-size:18px;
  line-height:1.5;
  font-weight:600;
}
.tl-card p{
  margin-top:8px;
  font-size:15px;
  color:var(--c-ink-2);
  line-height:1.85;
}
.tl-list{
  margin-top:12px;
  display:flex;
  flex-direction:column;
  gap:7px;
  border-top:1px dashed var(--c-line);
  padding-top:12px;
}
.tl-list li{
  position:relative;
  padding-left:16px;
  font-size:var(--fs-sm);
  color:var(--c-ink-2);
  line-height:1.7;
}
.tl-list li::before{
  content:"";
  position:absolute;
  left:2px;top:9px;
  width:5px;height:5px;
  border-radius:50%;
  background:var(--c-jade);
}
@media (min-width:768px){
  .timeline{padding-left:56px;}
  .timeline::before{left:15px;}
  .tl-dot{left:-48px;width:16px;height:16px;top:24px;}
  .tl-card{padding:24px;}
  .tl-item{padding-bottom:26px;}
}

/* ============ 并排信息卡 ============ */
.info-grid{
  display:grid;
  grid-template-columns:1fr;
  gap:20px;
  margin-top:8px;
}
@media (min-width:768px){
  .info-grid{grid-template-columns:1fr 1fr;gap:24px;}
}
.info-card{
  display:flex;
  flex-direction:column;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  overflow:hidden;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.info-card:hover{transform:translateY(-2px);box-shadow:var(--sh-card-h);border-color:rgba(14,59,54,.22);}
.info-thumb{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  background:var(--c-placeholder);
}
.info-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
@media (min-width:1024px){.info-body{padding:24px;}}
.info-body h3{font-size:var(--fs-h3);line-height:1.5;font-weight:600;}
.info-body > p{font-size:var(--fs-sm);color:var(--c-ink-2);line-height:1.8;}
.info-body .tl-list{border-top:1px dashed var(--c-line);}
.info-body .link-more{margin-top:auto;padding-top:6px;}

/* ============ FAQ ============ */
.faq{max-width:800px;margin:0 auto;}
.faq-item{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:8px;
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item:hover{border-color:rgba(14,59,54,.22);box-shadow:var(--sh-card);}
.faq-item summary{
  position:relative;
  list-style:none;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:56px;
  padding:14px 18px 14px 20px;
  font-size:16px;
  font-weight:600;
  color:var(--c-ink);
  cursor:pointer;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";
  position:absolute;
  left:0;top:12px;bottom:12px;
  width:3px;
  border-radius:0 2px 2px 0;
  background:var(--c-accent);
  opacity:0;
  transition:opacity .2s ease;
}
.faq-item[open] summary::before{opacity:1;}
.faq-item summary .chev{
  flex:none;
  font-size:13px;
  color:var(--c-muted);
  transition:transform .25s ease,color .2s ease;
}
.faq-item[open] summary .chev{transform:rotate(180deg);color:var(--c-accent);}
.faq-answer{
  padding:0 20px 18px;
  margin-top:-2px;
  font-size:15px;
  color:var(--c-ink-2);
  line-height:1.85;
  border-top:1px dashed var(--c-line);
  padding-top:14px;
}

/* ============ CTA ============ */
.cta{
  margin:0 auto;
  max-width:1200px;
  padding:0 20px;
}
@media (min-width:1024px){.cta{padding:0 32px;}}
.cta-box{
  position:relative;
  overflow:hidden;
  border-radius:20px;
  background:var(--c-primary);
  color:#fff;
  padding:32px 24px;
}
@media (min-width:1024px){.cta-box{padding:44px 40px;}}
.cta-box::after{
  content:"";
  position:absolute;
  right:-60px;top:-60px;
  width:240px;height:240px;
  border-radius:50%;
  background:radial-gradient(circle, rgba(226,85,43,.32), rgba(226,85,43,0) 70%);
  pointer-events:none;
}
.cta-box h2{
  color:#fff;
  font-size:clamp(22px,2vw,28px);
  line-height:1.4;
  max-width:24em;
}
.cta-box > p{
  margin-top:10px;
  font-size:var(--fs-sm);
  color:rgba(255,255,255,.82);
  max-width:46em;
}
.cta-form{
  margin-top:22px;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  align-items:flex-start;
  position:relative;
  z-index:2;
}
.field{flex:1 1 260px;min-width:0;}
.field label{
  display:block;
  font-size:13px;
  color:rgba(255,255,255,.85);
  margin-bottom:6px;
}
.field input{
  width:100%;
  height:44px;
  padding:0 14px;
  border-radius:var(--r-btn);
  border:1px solid rgba(255,255,255,.28);
  background:rgba(255,255,255,.96);
  color:var(--c-ink);
  font-size:15px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.field input::placeholder{color:var(--c-muted);}
.field input:focus{
  outline:none;
  border-color:var(--c-primary);
  box-shadow:0 0 0 2px rgba(226,85,43,.55);
}
.field input.invalid{border-color:var(--c-accent);box-shadow:0 0 0 2px rgba(226,85,43,.28);}
.cta-form .btn-primary{
  background:#fff;
  color:var(--c-primary);
}
.cta-form .btn-primary:hover{background:var(--c-accent-soft);color:var(--c-primary-600);}
.form-consent{
  display:flex;
  align-items:flex-start;
  gap:8px;
  margin-top:12px;
  font-size:var(--fs-xs);
  color:rgba(255,255,255,.78);
  line-height:1.7;
  position:relative;
  z-index:2;
}
.form-consent input{
  width:16px;height:16px;
  margin-top:3px;
  accent-color:var(--c-accent);
  flex:none;
}
.form-msg{
  display:none;
  margin-top:14px;
  padding:10px 14px;
  border-radius:10px;
  font-size:var(--fs-sm);
  position:relative;
  z-index:2;
}
.form-msg.show{display:block;}
.form-msg.ok{background:rgba(46,139,122,.18);border:1px solid rgba(46,139,122,.5);color:#D8F2EB;}
.form-msg.err{background:rgba(226,85,43,.18);border:1px solid rgba(226,85,43,.55);color:#FFE2D8;}

/* ============ 页脚 ============ */
.footer{
  margin-top:auto;
  background:var(--c-surface);
  border-top:1px solid var(--c-line);
  padding:44px 0 22px;
}
.footer-top{
  display:grid;
  grid-template-columns:1fr;
  gap:28px;
}
@media (min-width:768px){
  .footer-top{grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
}
.footer-brand .mark{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:17px;
  font-weight:700;
  color:var(--c-primary);
}
.footer-brand .mark i{color:var(--c-accent);font-size:15px;}
.footer-brand p{
  margin-top:12px;
  font-size:var(--fs-sm);
  color:var(--c-ink-2);
  line-height:1.8;
  max-width:34em;
}
.footer h5{
  font-size:14px;
  font-weight:700;
  color:var(--c-ink);
  margin-bottom:14px;
}
.footer-list{display:flex;flex-direction:column;gap:10px;}
.footer-list li{font-size:var(--fs-sm);color:var(--c-ink-2);line-height:1.7;}
.footer-list a{
  position:relative;
  font-size:var(--fs-sm);
  color:var(--c-ink-2);
  transition:color .18s ease;
}
.footer-list a:hover{
  color:var(--c-primary);
  text-decoration:underline;
  text-decoration-color:var(--c-accent);
  text-decoration-thickness:2px;
  text-underline-offset:4px;
}
.footer-contact li{display:flex;gap:8px;align-items:flex-start;}
.footer-contact i{margin-top:5px;color:var(--c-primary);font-size:13px;flex:none;}
.footer-bottom{
  margin-top:32px;
  padding-top:18px;
  border-top:1px solid var(--c-line);
  display:flex;
  flex-wrap:wrap;
  gap:8px 20px;
  justify-content:space-between;
  font-size:var(--fs-xs);
  color:var(--c-muted);
  line-height:1.7;
}