/* roulang page: index */
:root{
  --brand:#123F35;
  --brand-soft:rgba(18,63,53,.30);
  --mint:#6FE3B0;
  --mint-soft:#E4F8EE;
  --accent:#FF7A45;
  --accent-dark:#EF6530;
  --bg:#F7F5F0;
  --bg-alt:#EFEBE1;
  --dark:#0B2B24;
  --ink:#17201D;
  --ink-2:#5E6E68;
  --line:#E4E0D6;
  --on-dark:#EAF3EF;
  --r-card:14px;
  --r-img:16px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(18,63,53,.06);
  --sh-2:0 12px 32px rgba(18,63,53,.10);
  --container:1200px;
  --sect:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","HarmonyOS Sans","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img);}
a{color:var(--brand);text-decoration:none;transition:color .18s ease,background-color .18s ease,box-shadow .18s ease,transform .18s ease;}
a:hover{color:var(--accent);}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.section{padding:var(--sect) 0;}
.section--alt{background:var(--bg-alt);}
.section--tight{padding-top:calc(var(--sect) * .6);}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;}
.eyebrow{
  display:inline-block;
  padding:5px 14px;
  border:1px solid var(--brand-soft);
  border-radius:var(--r-pill);
  font-size:13px;
  letter-spacing:.04em;
  color:var(--brand);
  background:rgba(255,255,255,.7);
  margin-bottom:16px;
}
.eyebrow--mint{background:var(--mint-soft);border-color:rgba(18,63,53,.18);}
h1{font-size:40px;line-height:1.25;font-weight:800;letter-spacing:-.01em;}
h2{font-size:28px;line-height:1.35;font-weight:700;letter-spacing:-.005em;}
h3{font-size:18px;line-height:1.5;font-weight:700;}
.lead{font-size:18px;line-height:1.8;color:var(--ink-2);}
.muted{color:var(--ink-2);}
.tnum{font-variant-numeric:tabular-nums;}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:100;
  background:rgba(247,245,240,.86);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid transparent;
  transition:background .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.site-header.is-stuck{background:#fff;border-bottom-color:var(--line);box-shadow:0 6px 20px rgba(18,63,53,.06);}
.nav-wrap{display:flex;align-items:center;gap:28px;min-height:76px;}
.logo{display:flex;align-items:center;gap:11px;flex:0 0 auto;color:var(--brand);font-weight:800;}
.logo:hover{color:var(--brand);}
.logo-mark{
  width:38px;height:38px;border-radius:11px;
  background:var(--brand);
  display:grid;place-items:center;
  position:relative;flex:0 0 auto;
}
.logo-mark::before{content:"";width:15px;height:15px;border:2px solid var(--mint);border-radius:4px;}
.logo-mark::after{content:"";position:absolute;right:6px;bottom:6px;width:9px;height:2px;background:var(--accent);border-radius:2px;}
.logo-text{font-size:17px;letter-spacing:-.01em;line-height:1.2;}
.logo-text small{display:block;font-size:11px;font-weight:500;color:var(--ink-2);letter-spacing:.08em;}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:6px;}
.main-nav a{
  display:inline-flex;align-items:center;height:40px;padding:0 14px;
  border-radius:var(--r-pill);font-size:15px;color:var(--ink);
  white-space:nowrap;
}
.main-nav a:hover{background:var(--mint-soft);color:var(--brand);}
.main-nav a.is-active{background:var(--mint-soft);color:var(--brand);font-weight:600;box-shadow:inset 0 -2px 0 var(--brand);}
.nav-actions{display:flex;align-items:center;gap:12px;margin-left:auto;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  transition:background-color .18s ease,color .18s ease,box-shadow .18s ease,transform .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn--sm{height:44px;padding:0 18px;font-size:14px;}
.btn--primary{background:var(--accent);color:#fff;box-shadow:var(--sh-1);}
.btn--primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);}
.btn--primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn--ghost{border:1.5px solid var(--brand);color:var(--brand);background:transparent;}
.btn--ghost:hover{background:var(--brand);color:#fff;}
.btn--on-dark{background:var(--mint);color:var(--dark);}
.btn--on-dark:hover{background:#57d29e;color:var(--dark);transform:translateY(-2px);box-shadow:0 12px 32px rgba(0,0,0,.25);}
.btn.is-disabled,.btn:disabled{opacity:.45;pointer-events:none;transform:none;box-shadow:none;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--brand);}
.link-arrow span{transition:transform .18s ease;}
.link-arrow:hover{color:var(--accent);text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px;}
.link-arrow:hover span{transform:translateX(4px);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-btn);
  border:1.5px solid var(--line);background:#fff;
  align-items:center;justify-content:center;flex-direction:column;gap:5px;
}
.nav-toggle i{display:block;width:18px;height:2px;background:var(--brand);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle.is-open i:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle.is-open i:nth-child(2){opacity:0;}
.nav-toggle.is-open i:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* Hero */
.hero{
  position:relative;
  padding:76px 0 var(--sect);
  background:
    radial-gradient(1000px 400px at 88% -10%,rgba(111,227,176,.22),transparent 60%),
    linear-gradient(180deg,#FBF9F4 0%,var(--bg) 70%);
}
.hero-grid{display:grid;grid-template-columns:6fr 6fr;gap:56px;align-items:center;}
.hero h1{margin:14px 0 18px;}
.hero-sub{font-size:19px;line-height:1.8;color:var(--ink-2);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0 26px;}
.trust-row{display:flex;flex-wrap:wrap;gap:18px;}
.trust{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;color:var(--ink-2);
}
.trust::before{content:"";width:8px;height:8px;border-radius:2px;background:var(--mint);flex:0 0 auto;}
.hero-media{position:relative;}
.hero-media img{
  width:100%;height:460px;object-fit:cover;
  border-radius:20px;box-shadow:var(--sh-2);
  outline:1px solid rgba(18,63,53,.12);outline-offset:-1px;
  background:var(--bg-alt);
}
.hero-chip{
  position:absolute;left:18px;top:18px;
  display:flex;align-items:center;gap:10px;
  padding:10px 16px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.94);box-shadow:var(--sh-1);
  font-size:13px;color:var(--brand);font-weight:600;
}
.hero-chip i{width:9px;height:9px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 4px rgba(111,227,176,.25);}

/* 指标条 */
.metrics{background:var(--brand);color:var(--on-dark);padding:46px 0;}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.metric{border-left:1px solid rgba(255,255,255,.16);padding-left:22px;}
.metric:first-child{border-left:0;padding-left:0;}
.metric b{display:block;font-size:36px;line-height:1.2;font-weight:800;color:#fff;font-variant-numeric:tabular-nums;}
.metric span{display:block;margin-top:6px;font-size:14px;color:rgba(234,243,239,.78);}

/* 图文理念 */
.split{display:grid;grid-template-columns:6fr 6fr;gap:56px;align-items:center;}
.split-body p+p{margin-top:16px;}
.split-figure img{width:100%;height:380px;object-fit:cover;border-radius:var(--r-img);box-shadow:var(--sh-1);background:var(--bg-alt);}
.point-list{margin-top:26px;display:grid;gap:14px;}
.point{display:flex;gap:14px;align-items:flex-start;}
.point b{font-size:15px;font-weight:700;}
.point p{font-size:15px;color:var(--ink-2);line-height:1.7;}
.point-num{
  flex:0 0 auto;width:34px;height:34px;border-radius:10px;
  display:grid;place-items:center;
  background:var(--mint-soft);color:var(--brand);
  font-weight:800;font-size:14px;font-variant-numeric:tabular-nums;
}

/* 卡片 */
.grid-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;
  display:flex;flex-direction:column;
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.card:hover{border-color:var(--brand-soft);transform:translateY(-4px);box-shadow:var(--sh-2);}
.card-media{position:relative;aspect-ratio:16/10;background:var(--bg-alt);overflow:hidden;}
.card-media img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-body h3 a{color:var(--ink);}
.card-body h3 a:hover{color:var(--accent);}
.card-body p{font-size:15px;color:var(--ink-2);line-height:1.75;}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:4px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  background:var(--mint-soft);color:var(--brand);
  font-size:13px;font-weight:600;white-space:nowrap;
}
.time{font-size:13px;color:var(--ink-2);font-variant-numeric:tabular-nums;}
.card-cta{margin-top:36px;text-align:center;}

/* 最新信息列表 */
.post-list{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);
  display:flex;flex-direction:column;gap:12px;
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.post-item:hover{border-color:var(--brand-soft);transform:translateY(-4px);box-shadow:var(--sh-2);}
.post-item h3{font-size:17px;line-height:1.55;}
.post-item h3 a{color:var(--ink);}
.post-item h3 a:hover{color:var(--accent);}
.post-item p{font-size:14.5px;color:var(--ink-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.post-meta{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:6px;}
.empty-state{
  grid-column:1/-1;text-align:center;padding:56px 24px;
  border:1px dashed var(--line);border-radius:var(--r-card);background:#fff;
}
.empty-state .empty-icon{
  width:56px;height:56px;margin:0 auto 16px;border-radius:14px;
  background:var(--bg-alt);display:grid;place-items:center;color:var(--brand);font-weight:800;
}
.empty-state p{color:var(--ink-2);margin-bottom:18px;}

/* FAQ */
.faq-list{display:grid;gap:12px;max-width:900px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item[open]{border-color:rgba(255,122,69,.55);box-shadow:var(--sh-1);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;font-size:17px;font-weight:700;color:var(--ink);
  border-left:3px solid transparent;transition:border-color .18s ease,color .18s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  display:grid;place-items:center;background:var(--bg-alt);color:var(--brand);
  font-size:16px;font-weight:700;transition:transform .18s ease,background-color .18s ease;
}
.faq-item[open] summary{border-left-color:var(--accent);color:var(--brand);}
.faq-item[open] summary::after{content:"–";background:var(--mint-soft);}
.faq-answer{padding:0 22px 20px 25px;font-size:15px;color:var(--ink-2);line-height:1.8;}

/* CTA 深色块 */
.cta-block{
  position:relative;background:var(--dark);color:var(--on-dark);
  border-radius:20px;padding:64px 56px;overflow:hidden;
}
.cta-block::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;
  opacity:.16;
}
.cta-inner{position:relative;display:grid;grid-template-columns:1.1fr 1fr;gap:48px;align-items:center;}
.cta-block h2{color:#fff;}
.cta-block p{color:rgba(234,243,239,.82);margin-top:14px;}
.subscribe-form{display:flex;gap:12px;margin-top:8px;}
.subscribe-form input{
  flex:1;height:48px;padding:0 16px;border-radius:var(--r-btn);
  border:1.5px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.08);color:#fff;font-size:15px;
  transition:border-color .18s ease,box-shadow .18s ease;
}
.subscribe-form input::placeholder{color:rgba(234,243,239,.55);}
.subscribe-form input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px rgba(255,122,69,.35);}
.form-msg{margin-top:12px;font-size:14px;color:var(--mint);min-height:22px;}

/* 页脚 */
.site-footer{background:var(--dark);color:var(--on-dark);padding:72px 0 0;margin-top:var(--sect);}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:48px;}
.site-footer .logo{color:#fff;}
.site-footer .logo-text small{color:rgba(234,243,239,.6);}
.footer-about{font-size:14px;color:rgba(234,243,239,.72);margin-top:16px;line-height:1.8;max-width:320px;}
.footer-domain{margin-top:12px;font-size:13px;color:rgba(234,243,239,.55);}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.footer-col li+li{margin-top:10px;}
.footer-col a{font-size:14.5px;color:rgba(234,243,239,.75);}
.footer-col a:hover{color:var(--mint);}
.footer-col form{display:flex;gap:10px;margin-top:4px;}
.footer-col input{
  flex:1;min-width:0;height:44px;padding:0 14px;border-radius:var(--r-btn);
  border:1.5px solid rgba(255,255,255,.2);background:rgba(255,255,255,.07);
  color:#fff;font-size:14px;
}
.footer-col input::placeholder{color:rgba(234,243,239,.5);}
.footer-col input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px rgba(255,122,69,.3);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;
  font-size:13.5px;color:rgba(234,243,239,.6);
}
.to-top{display:inline-flex;align-items:center;gap:6px;color:rgba(234,243,239,.8);font-size:13.5px;}
.to-top:hover{color:var(--mint);}
.float-cta{display:none;}

/* 响应式 */
@media (max-width:1280px){
  :root{--sect:84px;}
  .container{padding:0 28px;}
  .hero-grid{gap:44px;}
  .hero-media img{height:420px;}
}
@media (max-width:1024px){
  :root{--sect:72px;}
  h1{font-size:32px;}
  h2{font-size:24px;}
  .hero-grid,.split,.cta-inner{grid-template-columns:1fr;gap:36px;}
  .hero-media img{height:360px;}
  .split-figure img{height:320px;}
  .metrics-grid{grid-template-columns:repeat(2,1fr);gap:28px 24px;}
  .metric:nth-child(3){border-left:0;padding-left:0;}
  .grid-3{grid-template-columns:repeat(2,1fr);}
  .post-list{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:900px){
  .nav-toggle{display:flex;}
  .main-nav{
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border-bottom:1px solid var(--line);
    padding:12px 20px 20px;box-shadow:var(--sh-2);
    display:none;
  }
  .main-nav.is-open{display:flex;}
  .main-nav a{height:48px;justify-content:flex-start;padding:0 14px;}
  .nav-actions .btn--ghost{display:none;}
}
@media (max-width:768px){
  :root{--sect:56px;}
  .container{padding:0 20px;}
  .metrics-grid{grid-template-columns:repeat(2,1fr);}
  .grid-3,.post-list{grid-template-columns:1fr;}
  .section-head--row{flex-direction:column;align-items:flex-start;gap:12px;}
  .cta-block{padding:40px 24px;border-radius:16px;}
  .subscribe-form{flex-direction:column;}
  .subscribe-form .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  :root{--sect:48px;}
  h1{font-size:28px;line-height:1.3;}
  h2{font-size:22px;}
  .hero{padding-top:48px;}
  .hero-sub{font-size:17px;}
  .hero-media img{height:240px;}
  .split-figure img{height:240px;}
  .metrics-grid{grid-template-columns:1fr;gap:22px;}
  .metric{border-left:0;padding-left:0;border-top:1px solid rgba(255,255,255,.16);padding-top:18px;}
  .metric:first-child{border-top:0;padding-top:0;}
  .logo-text{font-size:15px;}
  .logo-text small{display:none;}
  .card-body,.post-item{padding:18px;}
  .float-cta{
    display:inline-flex;position:fixed;right:16px;bottom:16px;z-index:120;
    height:48px;padding:0 20px;border-radius:var(--r-pill);
    background:var(--accent);color:#fff;font-weight:700;font-size:14px;
    align-items:center;justify-content:center;box-shadow:var(--sh-2);
  }
  .float-cta:hover{background:var(--accent-dark);color:#fff;}
}

/* roulang page: category1 */
/* ===== 设计变量 ===== */
:root{
  --brand:#123F35;
  --brand-deep:#0B2B24;
  --mint:#6FE3B0;
  --accent:#FF7A45;
  --accent-dark:#E8602B;
  --bg:#F7F5F0;
  --bg-alt:#EFEBE1;
  --ink:#17201D;
  --ink-2:#5E6E68;
  --on-dark:#EAF3EF;
  --line:#E4E0D6;
  --white:#FFFFFF;
  --danger:#D9534F;
  --radius-card:14px;
  --radius-img:16px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(18,63,53,.06);
  --shadow-2:0 12px 32px rgba(18,63,53,.10);
  --gap-section:96px;
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Noto Sans SC","HarmonyOS Sans","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--accent-dark);}
button{font:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0;}
ul,ol{list-style:none;}
input,button,textarea{font-family:inherit;}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}

.container{max-width:var(--container);margin:0 auto;padding:0 32px;width:100%;}
.section{padding:var(--gap-section) 0;}
.section--alt{background:var(--bg-alt);}
.section-head{max-width:760px;margin-bottom:48px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.04em;
  color:var(--brand);
  background:rgba(111,227,176,.22);
  border:1px solid rgba(18,63,53,.14);
  padding:6px 14px;border-radius:999px;margin-bottom:18px;
}
.eyebrow::before{content:"";width:7px;height:7px;border-radius:2px;background:var(--accent);}
h1{font-size:40px;line-height:1.25;font-weight:800;letter-spacing:-.01em;}
h2{font-size:28px;line-height:1.35;font-weight:700;letter-spacing:-.005em;}
h3{font-size:18px;line-height:1.5;font-weight:700;}
.lead{font-size:17px;color:var(--ink-2);line-height:1.85;}
.muted{color:var(--ink-2);font-size:14px;}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--radius-btn);
  border:1.5px solid transparent;cursor:pointer;
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .16s ease,background-color .16s ease,color .16s ease,box-shadow .16s ease,border-color .16s ease;
  white-space:nowrap;
}
.btn--primary{background:var(--accent);color:#fff;box-shadow:var(--shadow-1);}
.btn--primary:hover{background:var(--accent-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn--primary:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn--ghost{background:transparent;border-color:var(--brand);color:var(--brand);}
.btn--ghost:hover{background:var(--brand);color:var(--on-dark);}
.btn--outline-light{background:transparent;border-color:rgba(234,243,239,.42);color:var(--on-dark);}
.btn--outline-light:hover{background:rgba(234,243,239,.12);color:#fff;}
.btn--on-dark{background:var(--mint);color:#0B2B24;}
.btn--on-dark:hover{background:#57d29d;color:#0B2B24;transform:translateY(-2px);}
.btn--sm{height:44px;padding:0 18px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;box-shadow:none;transform:none;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--brand);border-bottom:2px solid transparent;transition:.18s ease;}
.link-arrow span{transition:transform .18s ease;}
.link-arrow:hover{color:var(--brand);border-bottom-color:var(--brand);}
.link-arrow:hover span{transform:translateX(4px);}

/* ===== 导航 ===== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(247,245,240,.94);
  border-bottom:1px solid transparent;
  transition:background-color .2s ease,box-shadow .2s ease,border-color .2s ease;
  backdrop-filter:saturate(140%) blur(8px);
}
.site-header.is-scrolled{background:#fff;border-bottom-color:var(--line);box-shadow:0 4px 18px rgba(18,63,53,.07);}
.nav-wrap{display:flex;align-items:center;gap:24px;min-height:76px;}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink);}
.logo:hover{color:var(--ink);}
.logo-mark{
  width:26px;height:26px;border-radius:6px;flex:none;position:relative;
  background:linear-gradient(140deg,var(--brand),#1c5c4d);
  box-shadow:inset 0 0 0 1.5px rgba(111,227,176,.55);
}
.logo-mark::after{content:"";position:absolute;inset:8px 8px 8px 8px;border:1.5px solid var(--mint);border-radius:2px;}
.logo-text{display:flex;flex-direction:column;font-size:17px;font-weight:800;letter-spacing:-.01em;line-height:1.15;}
.logo-text small{font-size:11px;font-weight:500;color:var(--ink-2);letter-spacing:.08em;}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:auto;}
.main-nav a{
  display:inline-flex;align-items:center;height:38px;padding:0 14px;border-radius:999px;
  font-size:14.5px;font-weight:600;color:var(--ink-2);transition:.18s ease;
}
.main-nav a:hover{background:rgba(111,227,176,.35);color:var(--brand);}
.main-nav a.is-active{color:var(--brand);background:rgba(111,227,176,.28);box-shadow:inset 0 -2px 0 var(--brand);}
.nav-actions{display:flex;align-items:center;gap:10px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  background:#fff;cursor:pointer;padding:0;flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle i{display:block;width:18px;height:2px;background:var(--brand);border-radius:2px;transition:.2s ease;}
.nav-toggle[aria-expanded="true"] i:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] i:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] i:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ===== 页面头部 ===== */
.page-hero{
  position:relative;padding:56px 0 72px;
  background:
    linear-gradient(115deg,rgba(18,63,53,.96) 0%,rgba(18,63,53,.88) 48%,rgba(11,43,36,.95) 100%),
    url("/assets/images/backpic/back-1.webp") center/cover no-repeat;
  color:var(--on-dark);
  overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;right:-60px;bottom:-60px;width:280px;height:280px;
  border:1px solid rgba(111,227,176,.28);border-radius:24px;transform:rotate(12deg);pointer-events:none;
}
.breadcrumb{padding-top:0;margin-bottom:26px;font-size:13px;color:rgba(234,243,239,.72);}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";color:rgba(234,243,239,.4);}
.breadcrumb a{color:rgba(234,243,239,.86);}
.breadcrumb a:hover{color:var(--mint);}
.breadcrumb [aria-current="page"]{color:#fff;font-weight:600;}
.hero-grid{display:grid;grid-template-columns:6fr 6fr;gap:56px;align-items:center;position:relative;z-index:2;}
.page-hero .eyebrow{background:rgba(111,227,176,.16);border-color:rgba(111,227,176,.4);color:var(--mint);}
.page-hero h1{color:#fff;max-width:620px;}
.page-hero .lead{color:rgba(234,243,239,.86);max-width:600px;margin-top:18px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-badges span{
  display:inline-flex;align-items:center;gap:7px;font-size:13px;color:rgba(234,243,239,.9);
  border:1px solid rgba(234,243,239,.24);border-radius:999px;padding:6px 14px;
}
.hero-badges span::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--mint);}
.hero-figure{position:relative;}
.hero-figure img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:20px;
  border:1px solid rgba(234,243,239,.28);box-shadow:0 18px 46px rgba(0,0,0,.28);
}
.status-chip{
  position:absolute;left:-14px;top:22px;background:#fff;color:var(--ink);
  border-radius:12px;padding:10px 14px;box-shadow:var(--shadow-2);
  display:flex;align-items:center;gap:9px;font-size:13px;font-weight:600;
}
.status-chip .dot{width:9px;height:9px;border-radius:50%;background:var(--mint);box-shadow:0 0 0 4px rgba(111,227,176,.28);}
.hero-stats{display:flex;flex-wrap:wrap;gap:44px;margin-top:44px;position:relative;z-index:2;}
.hero-stats div{display:flex;flex-direction:column;}
.hero-stats strong{font-size:36px;font-weight:800;color:#fff;line-height:1.2;font-variant-numeric:tabular-nums;}
.hero-stats span{font-size:13px;color:rgba(234,243,239,.72);}

/* ===== 横向图文列表（分类页 1 版式） ===== */
.entry-list{border-top:1px solid var(--line);}
.entry{
  display:grid;grid-template-columns:220px 1fr;gap:26px;align-items:flex-start;
  padding:26px 0;border-bottom:1px solid var(--line);
  transition:background-color .18s ease;
}
.entry:hover{background:rgba(111,227,176,.07);}
.entry-thumb{
  display:block;width:220px;height:140px;border-radius:var(--radius-card);overflow:hidden;
  background:var(--bg-alt);box-shadow:var(--shadow-1);
}
.entry-thumb img{width:220px;height:140px;object-fit:cover;transition:transform .35s ease;}
.entry:hover .entry-thumb img{transform:scale(1.04);}
.entry-body h3{margin-bottom:8px;}
.entry-body h3 a{color:var(--ink);}
.entry-body h3 a:hover{color:var(--accent-dark);}
.entry-body p{color:var(--ink-2);font-size:15px;line-height:1.8;max-width:760px;}
.entry-meta{display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:14px;font-size:13px;color:var(--ink-2);}
.badge{
  display:inline-flex;align-items:center;height:24px;padding:0 11px;border-radius:999px;
  background:rgba(111,227,176,.28);color:var(--brand);font-size:12px;font-weight:600;
}
.entry-meta .sep{width:1px;height:12px;background:var(--line);}
.list-more{display:flex;justify-content:center;gap:14px;margin-top:40px;flex-wrap:wrap;}

/* ===== 卖点 ===== */
.feature-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.feature-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:28px;box-shadow:var(--shadow-1);transition:.2s ease;
}
.feature-card:hover{border-color:rgba(18,63,53,.3);transform:translateY(-3px);box-shadow:var(--shadow-2);}
.feature-icon{
  width:44px;height:44px;border-radius:12px;margin-bottom:18px;
  background:rgba(111,227,176,.24);border:1px solid rgba(18,63,53,.12);
  display:flex;align-items:center;justify-content:center;color:var(--brand);font-weight:800;
}
.feature-card h3{margin-bottom:10px;}
.feature-card p{color:var(--ink-2);font-size:15px;}

/* ===== 场景标签 ===== */
.scene-wrap{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start;}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px;}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 15px;border-radius:999px;
  background:#fff;border:1px solid var(--line);font-size:13.5px;font-weight:600;color:var(--brand);
  transition:.18s ease;
}
.tag:hover{border-color:var(--brand);background:rgba(111,227,176,.2);}
.scene-list{border-top:1px solid var(--line);}
.scene-list li{
  display:flex;gap:14px;padding:18px 0;border-bottom:1px solid var(--line);
}
.scene-list li strong{flex:none;width:26px;height:26px;border-radius:8px;background:var(--brand);color:var(--on-dark);font-size:13px;display:flex;align-items:center;justify-content:center;}
.scene-list li p{font-size:15px;color:var(--ink-2);}
.scene-list li p b{color:var(--ink);}

/* ===== 步骤条 ===== */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.step{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  padding:26px 24px 24px;box-shadow:var(--shadow-1);
}
.step-num{
  font-size:34px;font-weight:800;line-height:1;color:transparent;
  -webkit-text-stroke:1.4px rgba(18,63,53,.45);margin-bottom:14px;letter-spacing:.02em;
}
.step h3{margin-bottom:8px;font-size:17px;}
.step p{font-size:14.5px;color:var(--ink-2);}

/* ===== FAQ ===== */
.faq{max-width:880px;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:12px;
  margin-bottom:12px;overflow:hidden;transition:border-color .18s ease,box-shadow .18s ease;
}
.faq-item[open]{border-color:rgba(18,63,53,.34);box-shadow:var(--shadow-1);}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 54px 20px 22px;position:relative;
  font-size:17px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"";position:absolute;right:22px;top:26px;width:11px;height:11px;
  border-right:2px solid var(--brand);border-bottom:2px solid var(--brand);
  transform:rotate(45deg);transition:transform .18s ease;
}
.faq-item[open] summary::after{transform:rotate(-135deg);}
.faq-item[open] summary{box-shadow:inset 3px 0 0 var(--accent);}
.faq-item .faq-body{padding:0 22px 22px;font-size:15px;color:var(--ink-2);border-top:1px solid var(--line);padding-top:16px;}
.faq-item[open] .faq-body{animation:fadeIn .18s ease;}
@keyframes fadeIn{from{opacity:0;transform:translateY(-4px);}to{opacity:1;transform:none;}}

/* ===== CTA 深色块 ===== */
.cta-block{background:var(--brand-deep);color:var(--on-dark);padding:72px 0;}
.cta-inner{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;}
.cta-block h2{color:#fff;}
.cta-block p{color:rgba(234,243,239,.82);margin-top:14px;font-size:15.5px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}
.cta-note{margin-top:16px;font-size:13px;color:rgba(234,243,239,.6);text-align:right;}

/* ===== 页脚 ===== */
.site-footer{background:var(--brand-deep);color:rgba(234,243,239,.78);padding:72px 0 28px;font-size:14.5px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-col h3{color:#fff;font-size:15px;margin-bottom:18px;letter-spacing:.02em;}
.site-footer .logo{color:#fff;}
.site-footer .logo:hover{color:#fff;}
.site-footer .logo-mark{background:linear-gradient(140deg,#1c5c4d,#123F35);}
.site-footer .logo-text small{color:rgba(234,243,239,.6);}
.footer-about{margin-top:16px;line-height:1.8;max-width:320px;}
.footer-domain{margin-top:14px;font-size:13px;color:rgba(234,243,239,.55);}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul a{color:rgba(234,243,239,.78);}
.footer-col ul a:hover{color:var(--mint);}
.footer-col form{display:grid;grid-template-columns:1fr auto;gap:10px;}
.footer-col input{
  height:44px;border-radius:var(--radius-btn);border:1px solid rgba(234,243,239,.24);
  background:rgba(255,255,255,.06);color:#fff;padding:0 14px;font-size:14px;width:100%;
}
.footer-col input::placeholder{color:rgba(234,243,239,.5);}
.footer-col input:focus{outline:none;border-color:var(--accent);box-shadow:0 0 0 2px rgba(255,122,69,.4);}
.form-msg{font-size:13px;color:var(--mint);min-height:18px;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  font-size:13px;color:rgba(234,243,239,.6);
}
.to-top{color:rgba(234,243,239,.8);display:inline-flex;align-items:center;gap:6px;}
.to-top:hover{color:var(--mint);}

/* ===== 悬浮 CTA（移动端） ===== */
.fab{display:none;}

/* ===== 响应式 ===== */
@media (max-width:1280px){
  .container{padding:0 28px;}
}
@media (max-width:1024px){
  :root{--gap-section:72px;}
  .nav-wrap{min-height:68px;}
  .main-nav{gap:2px;}
  .main-nav a{padding:0 11px;font-size:14px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-figure img{aspect-ratio:16/9;max-height:340px;}
  .hero-stats{gap:32px;}
  .feature-grid{grid-template-columns:1fr 1fr;}
  .scene-wrap{grid-template-columns:1fr;gap:32px;}
  .steps{grid-template-columns:1fr 1fr;}
  .cta-inner{grid-template-columns:1fr;gap:28px;}
  .cta-actions{justify-content:flex-start;}
  .cta-note{text-align:left;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
}
@media (max-width:900px){
  .main-nav{
    position:absolute;left:0;right:0;top:100%;
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:0 18px 30px rgba(18,63,53,.12);
    padding:12px 20px 18px;margin-left:0;
    display:none;
  }
  .main-nav.is-open{display:flex;}
  .main-nav a{height:44px;border-radius:10px;font-size:15px;}
  .nav-toggle{display:flex;}
  .nav-actions .btn--ghost{display:none;}
}
@media (max-width:768px){
  :root{--gap-section:56px;}
  .container{padding:0 20px;}
  h1{font-size:30px;}
  h2{font-size:23px;}
  .page-hero{padding:36px 0 52px;}
  .hero-stats{gap:24px;}
  .hero-stats strong{font-size:30px;}
  .feature-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .entry{grid-template-columns:120px 1fr;gap:16px;padding:20px 0;}
  .entry-thumb,.entry-thumb img{width:120px;height:90px;}
  .entry-body p{font-size:14.5px;}
  .footer-grid{grid-template-columns:1fr;}
  .site-footer{padding:52px 0 24px;}
}
@media (max-width:480px){
  h1{font-size:28px;line-height:1.3;}
  .hero-figure img{aspect-ratio:4/3;max-height:240px;}
  .status-chip{left:10px;top:12px;font-size:12px;padding:8px 11px;}
  .hero-actions .btn{width:100%;}
  .hero-badges{gap:8px;}
  .cta-actions .btn{width:100%;}
  .list-more .btn{width:100%;}
  .fab{
    display:flex;position:fixed;right:16px;bottom:18px;z-index:70;
    height:48px;padding:0 20px;border-radius:999px;
    background:var(--accent);color:#fff;font-size:14px;font-weight:600;
    align-items:center;gap:8px;box-shadow:0 12px 26px rgba(255,122,69,.4);
  }
  .fab:hover{color:#fff;background:var(--accent-dark);}
  .footer-col form{grid-template-columns:1fr;}
  .footer-col form .btn{width:100%;}
}

/* roulang page: article */
:root{
  --green:#123F35;
  --green-deep:#0B2B24;
  --mint:#6FE3B0;
  --orange:#FF7A45;
  --orange-dark:#E8622C;
  --bg:#F7F5F0;
  --bg-alt:#EFEBE1;
  --text:#17201D;
  --muted:#5E6E68;
  --on-dark:#EAF3EF;
  --line:#E4E0D6;
  --radius-card:14px;
  --radius-img:16px;
  --radius-btn:10px;
  --shadow-1:0 1px 2px rgba(18,63,53,.06);
  --shadow-2:0 12px 32px rgba(18,63,53,.10);
  --sp:96px;
}
*,
*::before,
*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","HarmonyOS Sans","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font-family:inherit;}
ul,ol{margin:0;padding:0;}
h1,h2,h3{line-height:1.35;margin:0;}
p{margin:0;}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px;border-radius:6px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--radius-btn);
  border:1.5px solid transparent;
  font-size:15px;
  font-weight:600;
  line-height:1;
  white-space:nowrap;
  cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn--sm{height:44px;padding:0 18px;font-size:14px;}
.btn--primary{background:var(--orange);color:#fff;box-shadow:var(--shadow-1);}
.btn--primary:hover{background:var(--orange-dark);transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn--primary:active{transform:translateY(0);box-shadow:var(--shadow-1);}
.btn--ghost{background:transparent;border-color:var(--green);color:var(--green);}
.btn--ghost:hover{background:var(--green);color:#fff;transform:translateY(-2px);}
.btn--ghost:active{transform:translateY(0);}
.btn--on-dark{background:var(--mint);color:var(--green-deep);}
.btn--on-dark:hover{background:#57d59f;transform:translateY(-2px);box-shadow:var(--shadow-2);}
.btn:disabled,.btn.is-disabled{opacity:.45;transform:none;box-shadow:none;pointer-events:none;}
.btn.is-loading{pointer-events:none;opacity:.75;}
.btn.is-loading::after{
  content:"";
  width:14px;height:14px;
  border:2px solid rgba(255,255,255,.45);
  border-top-color:#fff;
  border-radius:50%;
  animation:spin .7s linear infinite;
}
@keyframes spin{to{transform:rotate(360deg);}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(247,245,240,.94);
  border-bottom:1px solid transparent;
  transition:background-color .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{
  background:#fff;
  border-bottom-color:var(--line);
  box-shadow:var(--shadow-1);
}
.nav-wrap{
  display:flex;
  align-items:center;
  gap:24px;
  min-height:72px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.logo-mark{
  position:relative;
  width:36px;height:36px;
  border-radius:10px;
  background:var(--green);
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.14);
  flex:0 0 auto;
}
.logo-mark::before{
  content:"";
  position:absolute;
  left:11px;right:11px;top:8px;bottom:9px;
  border:2px solid var(--mint);
  border-bottom:none;
  border-radius:6px 6px 0 0;
}
.logo-mark::after{
  content:"";
  position:absolute;
  left:50%;bottom:9px;
  width:2px;height:7px;
  background:var(--mint);
  opacity:.7;
  transform:translateX(-50%);
}
.logo-text{
  display:flex;
  flex-direction:column;
  font-size:16px;
  font-weight:700;
  line-height:1.2;
  color:var(--green);
  letter-spacing:-.01em;
}
.logo-text small{
  font-size:11px;
  font-weight:500;
  color:var(--muted);
  letter-spacing:.06em;
  margin-top:2px;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:4px;
  margin-left:auto;
}
.main-nav a{
  padding:9px 14px;
  border-radius:999px;
  font-size:15px;
  font-weight:500;
  color:var(--muted);
  transition:background-color .2s ease,color .2s ease;
}
.main-nav a:hover{background:rgba(111,227,176,.22);color:var(--green);}
.main-nav a.is-active{
  background:rgba(111,227,176,.28);
  color:var(--green);
  font-weight:600;
}
.nav-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.nav-toggle{
  display:none;
  flex-direction:column;
  justify-content:center;
  gap:5px;
  width:44px;height:44px;
  padding:0 11px;
  background:transparent;
  border:1.5px solid var(--line);
  border-radius:10px;
  cursor:pointer;
}
.nav-toggle i{
  display:block;
  height:2px;
  background:var(--green);
  border-radius:2px;
  transition:transform .2s ease,opacity .2s ease;
}
.nav-toggle[aria-expanded="true"] i:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] i:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] i:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

.fab{
  display:none;
  position:fixed;
  right:20px;bottom:20px;
  z-index:70;
  height:48px;
  padding:0 22px;
  border-radius:999px;
  background:var(--orange);
  color:#fff;
  font-size:15px;
  font-weight:600;
  align-items:center;
  box-shadow:0 10px 24px rgba(255,122,69,.35);
}

/* ---------- 面包屑 ---------- */
.breadcrumb{padding:22px 0 0;}
.breadcrumb ol{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  list-style:none;
  font-size:13px;
  color:var(--muted);
}
.breadcrumb li{display:flex;align-items:center;gap:8px;min-width:0;}
.breadcrumb li + li::before{content:"/";color:#BFC7C2;}
.breadcrumb a{color:var(--muted);transition:color .2s ease;}
.breadcrumb a:hover{color:var(--green);text-decoration:underline;}
.breadcrumb li[aria-current]{
  color:var(--green);
  font-weight:500;
  max-width:420px;
  overflow:hidden;
  text-overflow:ellipsis;
  white-space:nowrap;
}

/* ---------- 文章头部 ---------- */
.article-head{padding:26px 0 34px;border-bottom:1px solid var(--line);}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border:1px solid var(--green);
  border-radius:999px;
  font-size:12px;
  font-weight:600;
  letter-spacing:.04em;
  color:var(--green);
  background:rgba(111,227,176,.14);
}
.article-head h1{
  margin-top:18px;
  max-width:940px;
  font-size:40px;
  line-height:1.25;
  font-weight:800;
  letter-spacing:-.01em;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.article-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:12px;
  margin-top:18px;
  font-size:13px;
  color:var(--muted);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#C3CBC6;}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 12px;
  border-radius:999px;
  background:rgba(111,227,176,.24);
  color:var(--green);
  font-size:12px;
  font-weight:600;
  letter-spacing:.02em;
}

/* ---------- 文章布局 ---------- */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,820px) 240px;
  justify-content:center;
  gap:48px;
  padding:48px 0 0;
}
.article-body{
  font-size:17px;
  line-height:1.9;
  color:var(--text);
  min-width:0;
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  margin:32px 0 14px;
  padding-left:14px;
  border-left:3px solid var(--orange);
  font-size:26px;
  line-height:1.45;
  font-weight:700;
  letter-spacing:-.01em;
}
.article-body h3{
  margin:26px 0 10px;
  font-size:19px;
  font-weight:700;
}
.article-body ul,
.article-body ol{
  margin:0 0 1.2em;
  padding-left:1.3em;
  list-style:revert;
}
.article-body li{margin:0 0 .5em;}
.article-body blockquote{
  margin:24px 0;
  padding:18px 24px;
  background:var(--bg-alt);
  border-left:3px solid var(--green);
  border-radius:12px;
  color:#3E4E48;
  font-size:16px;
}
.article-body img{
  max-width:100%;
  height:auto;
  border-radius:var(--radius-img);
  margin:26px auto;
}
.article-body a{color:var(--green);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--orange-dark);}
.article-body strong{font-weight:700;}
.article-body hr{border:none;border-top:1px solid var(--line);margin:32px 0;}
.article-body table{
  width:100%;
  border-collapse:collapse;
  margin:24px 0;
  font-size:15px;
}
.article-body th,
.article-body td{
  border:1px solid var(--line);
  padding:10px 14px;
  text-align:left;
}
.article-body th{background:var(--bg-alt);font-weight:600;}

/* ---------- 侧栏目录 ---------- */
.article-aside{align-self:start;position:sticky;top:96px;min-width:0;}
.toc{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:18px 20px;
  box-shadow:var(--shadow-1);
}
.toc summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  font-size:14px;
  font-weight:700;
  color:var(--green);
  cursor:pointer;
  list-style:none;
}
.toc summary::-webkit-details-marker{display:none;}
.toc summary::after{
  content:"目录";
  font-size:11px;
  font-weight:500;
  color:var(--muted);
  letter-spacing:.08em;
}
.toc[open] summary{padding-bottom:12px;border-bottom:1px solid var(--line);}
.toc ol{
  list-style:none;
  margin:12px 0 0;
  display:grid;
  gap:9px;
}
.toc ol a{
  display:block;
  font-size:13px;
  line-height:1.6;
  color:var(--muted);
  padding-left:12px;
  border-left:2px solid transparent;
  transition:color .2s ease,border-color .2s ease;
}
.toc ol a:hover{color:var(--green);border-left-color:var(--mint);}

/* ---------- 空状态 ---------- */
.empty-state{
  background:#fff;
  border:1px dashed var(--line);
  border-radius:var(--radius-card);
  padding:56px 32px;
  text-align:center;
  box-shadow:var(--shadow-1);
}
.empty-icon{
  width:64px;height:64px;
  margin:0 auto 18px;
  border-radius:16px;
  background:var(--bg-alt);
  position:relative;
}
.empty-icon::before{
  content:"";
  position:absolute;
  left:20px;right:20px;top:16px;bottom:18px;
  border:2px solid #B9C4BE;
  border-bottom:none;
  border-radius:6px 6px 0 0;
}
.empty-state h2{font-size:22px;font-weight:700;margin-bottom:10px;}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:22px;}

/* ---------- 标签行 ---------- */
.tag-row{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin:44px 0 0;
  padding-top:24px;
  border-top:1px solid var(--line);
}
.tag-row .tag-label{font-size:13px;color:var(--muted);margin-right:4px;}
.tag{
  display:inline-flex;
  align-items:center;
  height:32px;
  padding:0 14px;
  border-radius:999px;
  border:1px solid var(--line);
  background:#fff;
  font-size:13px;
  color:var(--green);
  transition:border-color .2s ease,background-color .2s ease,transform .2s ease;
}
.tag:hover{border-color:var(--green);background:rgba(111,227,176,.16);transform:translateY(-1px);}

/* ---------- 返回入口 ---------- */
.back-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin:32px 0 0;
}

/* ---------- 相关推荐 ---------- */
.section{padding:var(--sp) 0 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:32px;
}
.section-head h2{
  font-size:28px;
  font-weight:700;
  letter-spacing:-.01em;
}
.section-head .kicker{
  display:block;
  font-size:12px;
  font-weight:600;
  letter-spacing:.18em;
  color:var(--muted);
  margin-bottom:10px;
}
.section-head p{font-size:15px;color:var(--muted);margin-top:10px;max-width:560px;}
.related-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.rcard{
  display:flex;
  flex-direction:column;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  box-shadow:var(--shadow-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rcard:hover,
.rcard:focus-visible{
  transform:translateY(-2px);
  box-shadow:var(--shadow-2);
  border-color:rgba(18,63,53,.3);
}
.rcard .thumb{
  aspect-ratio:16/10;
  background:var(--bg-alt);
  overflow:hidden;
}
.rcard .thumb img{
  width:100%;
  height:100%;
  object-fit:cover;
  transition:transform .35s ease;
}
.rcard:hover .thumb img{transform:scale(1.04);}
.rcard .body{
  display:flex;
  flex-direction:column;
  gap:10px;
  padding:20px;
  flex:1;
}
.rcard h3{
  font-size:18px;
  font-weight:700;
  line-height:1.5;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.rcard p{
  font-size:14px;
  color:var(--muted);
  line-height:1.75;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.rcard .meta-line{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:10px;
  margin-top:auto;
  padding-top:12px;
  border-top:1px solid var(--line);
  font-size:13px;
  color:var(--muted);
}

/* ---------- 深色 CTA ---------- */
.article-cta{
  margin-top:var(--sp);
  background:var(--green-deep);
  border-radius:20px;
  padding:56px;
  display:grid;
  grid-template-columns:1.4fr auto;
  gap:32px;
  align-items:center;
  color:var(--on-dark);
}
.article-cta .kicker{
  display:block;
  font-size:12px;
  font-weight:600;
  letter-spacing:.18em;
  color:var(--mint);
  margin-bottom:12px;
}
.article-cta h2{
  font-size:28px;
  font-weight:700;
  color:#fff;
  letter-spacing:-.01em;
}
.article-cta p{
  margin-top:12px;
  font-size:15px;
  color:rgba(234,243,239,.76);
  max-width:520px;
}
.article-cta .cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:var(--sp);
  background:var(--green-deep);
  color:var(--on-dark);
  padding:72px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1.2fr;
  gap:40px;
}
.site-footer .logo-text{color:#fff;}
.site-footer .logo-text small{color:rgba(234,243,239,.6);}
.footer-about{
  margin:18px 0 8px;
  max-width:320px;
  font-size:14px;
  line-height:1.8;
  color:rgba(234,243,239,.72);
}
.footer-domain{font-size:13px;color:rgba(234,243,239,.55);}
.footer-col h3{
  font-size:15px;
  font-weight:700;
  color:#fff;
  margin-bottom:16px;
  letter-spacing:.02em;
}
.footer-col ul{display:grid;gap:10px;list-style:none;}
.footer-col ul a{
  font-size:14px;
  color:rgba(234,243,239,.78);
  transition:color .2s ease;
}
.footer-col ul a:hover{color:var(--mint);}
.site-footer form{
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:10px;
}
.site-footer input[type="email"]{
  height:48px;
  min-width:0;
  padding:0 14px;
  border-radius:var(--radius-btn);
  border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);
  color:#fff;
  font-size:14px;
  outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.site-footer input[type="email"]::placeholder{color:rgba(234,243,239,.5);}
.site-footer input[type="email"]:focus{
  border-color:var(--mint);
  box-shadow:0 0 0 2px rgba(111,227,176,.35);
}
.form-msg{font-size:13px;color:var(--mint);line-height:1.6;}
.footer-bottom{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  margin-top:56px;
  padding:20px 0;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;
  color:rgba(234,243,239,.6);
}
.to-top{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:rgba(234,243,239,.8);
  transition:color .2s ease;
}
.to-top:hover{color:var(--mint);}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .article-layout{grid-template-columns:minmax(0,1fr) 230px;gap:40px;}
}
@media (max-width:1024px){
  :root{--sp:72px;}
  .container{padding:0 28px;}
  .nav-toggle{display:flex;}
  .main-nav{
    position:absolute;
    top:100%;
    left:0;right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    margin:0;
    padding:14px;
    background:#fff;
    border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-2);
  }
  .main-nav.is-open{display:flex;}
  .main-nav a{padding:12px 14px;border-radius:10px;font-size:15px;}
  .nav-wrap{position:relative;}
  .nav-actions .btn--ghost{display:none;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px;padding-top:36px;}
  .article-aside{position:static;order:-1;}
  .article-head h1{font-size:32px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .article-cta{grid-template-columns:1fr;padding:44px;}
}
@media (max-width:768px){
  :root{--sp:56px;}
  .container{padding:0 22px;}
  .article-head{padding:18px 0 26px;}
  .article-head h1{font-size:28px;}
  .article-body{font-size:16.5px;}
  .article-body h2{font-size:22px;margin-top:28px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .section-head h2{font-size:23px;}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .article-cta{padding:34px 26px;}
  .article-cta h2{font-size:23px;}
  .breadcrumb li[aria-current]{max-width:200px;}
  .back-actions .btn{width:100%;}
}
@media (max-width:520px){
  :root{--sp:48px;}
  .container{padding:0 20px;}
  .logo-text{font-size:14px;}
  .logo-text small{font-size:10px;}
  .nav-actions .btn--primary{display:none;}
  .fab{display:inline-flex;}
  .article-head h1{font-size:26px;}
  .article-body{font-size:16px;}
  .article-body h2{font-size:20px;}
  .article-cta .cta-actions{flex-direction:column;}
  .article-cta .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .site-footer form{grid-template-columns:1fr;}
  .site-footer form .btn{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category2 */
:root{
  --brand:#123F35;
  --brand-deep:#0B2B24;
  --mint:#6FE3B0;
  --accent:#FF7A45;
  --accent-dark:#E5642F;
  --bg:#F7F5F0;
  --bg-alt:#EFEBE1;
  --ink:#17201D;
  --ink-soft:#5E6E68;
  --ink-invert:#EAF3EF;
  --line:#E4E0D6;
  --white:#FFFFFF;
  --r-card:14px;
  --r-img:16px;
  --r-btn:10px;
  --r-input:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(18,63,53,.06);
  --sh-2:0 12px 32px rgba(18,63,53,.10);
  --sp-section:96px;
  --container:1200px;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","HarmonyOS Sans","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .18s var(--ease);}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:2px solid var(--accent);
  outline-offset:2px;
  border-radius:4px;
}
.num{font-variant-numeric:tabular-nums;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}

/* ============ 导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:120;
  background:rgba(247,245,240,.86);
  backdrop-filter:saturate(140%) blur(10px);
  border-bottom:1px solid transparent;
  transition:background .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
}
.site-header.is-scrolled{
  background:#fff;
  border-bottom-color:var(--line);
  box-shadow:0 6px 20px rgba(18,63,53,.07);
}
.nav-wrap{
  display:flex;
  align-items:center;
  gap:28px;
  min-height:76px;
}
.logo{
  display:inline-flex;
  align-items:center;
  gap:12px;
  flex:0 0 auto;
}
.logo-mark{
  width:38px;height:38px;
  border-radius:10px;
  background:var(--brand);
  position:relative;
  box-shadow:inset 0 0 0 1px rgba(255,255,255,.14);
  flex:0 0 auto;
}
.logo-mark::before{
  content:"";
  position:absolute;
  inset:9px 9px 9px 9px;
  border:2px solid var(--mint);
  border-radius:4px;
  border-bottom-color:transparent;
}
.logo-mark::after{
  content:"";
  position:absolute;
  left:50%;bottom:9px;
  width:2px;height:9px;
  transform:translateX(-50%);
  background:var(--accent);
}
.logo-text{
  display:flex;
  flex-direction:column;
  font-size:17px;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--brand);
  line-height:1.2;
}
.logo-text small{
  font-size:11px;
  font-weight:500;
  letter-spacing:.14em;
  color:var(--ink-soft);
  margin-top:3px;
}
.main-nav{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
}
.main-nav a{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:44px;
  padding:0 16px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  color:var(--ink-soft);
  white-space:nowrap;
}
.main-nav a:hover{
  color:var(--brand);
  background:rgba(111,227,176,.24);
}
.main-nav a.is-active{
  color:var(--brand);
  background:rgba(111,227,176,.28);
  box-shadow:inset 0 -2px 0 var(--brand);
}
.nav-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border-radius:var(--r-btn);
  border:1px solid var(--line);
  background:#fff;
  padding:0;
  align-items:center;
  justify-content:center;
  flex-direction:column;
  gap:5px;
}
.nav-toggle i{
  display:block;
  width:18px;height:2px;
  background:var(--brand);
  border-radius:2px;
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.nav-toggle[aria-expanded="true"] i:nth-child(1){transform:translateY(7px) rotate(45deg);}
.nav-toggle[aria-expanded="true"] i:nth-child(2){opacity:0;}
.nav-toggle[aria-expanded="true"] i:nth-child(3){transform:translateY(-7px) rotate(-45deg);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 24px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  letter-spacing:.01em;
  border:1.5px solid transparent;
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),background .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
  white-space:nowrap;
}
.btn--sm{height:44px;padding:0 18px;font-size:14px;}
.btn--primary{
  background:var(--accent);
  color:#fff;
  box-shadow:var(--sh-1);
}
.btn--primary:hover{
  background:var(--accent-dark);
  transform:translateY(-2px);
  box-shadow:var(--sh-2);
}
.btn--primary:active{transform:translateY(0);box-shadow:var(--sh-1);}
.btn--ghost{
  border-color:var(--brand);
  color:var(--brand);
  background:transparent;
}
.btn--ghost:hover{
  background:var(--brand);
  color:var(--ink-invert);
}
.btn--on-dark{
  background:var(--mint);
  color:var(--brand-deep);
}
.btn--on-dark:hover{
  background:#5ed7a4;
  transform:translateY(-2px);
  box-shadow:0 10px 26px rgba(111,227,176,.28);
}
.btn--light-outline{
  border-color:rgba(234,243,239,.5);
  color:var(--ink-invert);
}
.btn--light-outline:hover{
  background:rgba(234,243,239,.12);
  border-color:var(--ink-invert);
}
.btn[disabled],.btn.is-disabled{
  opacity:.45;
  transform:none;
  box-shadow:none;
  pointer-events:none;
}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  color:var(--brand);
  font-weight:600;
  font-size:15px;
}
.link-arrow span{transition:transform .18s var(--ease);}
.link-arrow:hover{text-decoration:underline;text-decoration-thickness:2px;text-underline-offset:4px;}
.link-arrow:hover span{transform:translateX(4px);}

/* ============ 通用板块 ============ */
.section{padding:var(--sp-section) 0;}
.section--alt{background:var(--bg-alt);}
.section--tight{padding:56px 0;}
.sec-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:40px;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:30px;
  padding:0 14px;
  border:1px solid rgba(18,63,53,.35);
  border-radius:var(--r-pill);
  color:var(--brand);
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.1em;
  background:rgba(255,255,255,.6);
}
.eyebrow::before{
  content:"";
  width:6px;height:6px;
  border-radius:2px;
  background:var(--accent);
}
.sec-title{
  font-size:28px;
  line-height:1.35;
  font-weight:800;
  letter-spacing:-.01em;
  color:var(--brand);
  margin-top:14px;
}
.sec-sub{
  font-size:15px;
  color:var(--ink-soft);
  max-width:620px;
  margin-top:10px;
}
.muted{color:var(--ink-soft);}

/* ============ 页面头部 ============ */
.page-hero{
  position:relative;
  background:var(--brand-deep);
  color:var(--ink-invert);
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:linear-gradient(100deg,rgba(11,43,36,.96) 0%,rgba(11,43,36,.86) 45%,rgba(11,43,36,.62) 100%),url("/assets/images/backpic/back-2.webp");
  background-size:cover;
  background-position:center;
  opacity:1;
}
.page-hero .container{position:relative;z-index:2;padding-top:72px;padding-bottom:72px;}
.breadcrumb{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:rgba(234,243,239,.72);
  margin-bottom:22px;
}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px;}
.breadcrumb li+li::before{content:"/";color:rgba(234,243,239,.4);}
.breadcrumb a:hover{color:var(--mint);}
.page-hero h1{
  font-size:40px;
  line-height:1.25;
  font-weight:800;
  letter-spacing:-.01em;
  margin:16px 0 18px;
}
.page-hero .lead{
  max-width:760px;
  font-size:17px;
  line-height:1.9;
  color:rgba(234,243,239,.86);
}
.hero-chips{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:28px;
}
.chip{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:36px;
  padding:0 16px;
  border-radius:var(--r-pill);
  border:1px solid rgba(234,243,239,.28);
  background:rgba(234,243,239,.06);
  font-size:13.5px;
  color:rgba(234,243,239,.92);
}
.chip::before{
  content:"";
  width:6px;height:6px;
  border-radius:50%;
  background:var(--mint);
}

/* ============ 提示条 ============ */
.notice-bar{
  margin-top:-28px;
  position:relative;
  z-index:5;
}
.notice-inner{
  display:flex;
  align-items:center;
  gap:18px;
  flex-wrap:wrap;
  background:#fff;
  border:1px solid var(--line);
  border-left:4px solid var(--accent);
  border-radius:var(--r-card);
  padding:20px 24px;
  box-shadow:var(--sh-2);
}
.notice-inner strong{color:var(--brand);font-size:15.5px;}
.notice-inner p{font-size:14.5px;color:var(--ink-soft);flex:1 1 320px;}
.notice-inner .btn{flex:0 0 auto;}

/* ============ 指标条 ============ */
.stats{
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
}
.stat{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:24px;
  box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.stat:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(18,63,53,.3);}
.stat b{
  display:block;
  font-size:36px;
  font-weight:800;
  color:var(--brand);
  line-height:1.1;
  font-variant-numeric:tabular-nums;
}
.stat b em{font-style:normal;font-size:16px;color:var(--mint);margin-left:4px;-webkit-text-stroke:.2px var(--brand);}
.stat span{display:block;margin-top:10px;font-size:14px;color:var(--ink-soft);}

/* ============ 双栏图文网格 ============ */
.guide-grid{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:24px;
}
.guide-card{
  display:flex;
  flex-direction:column;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  overflow:hidden;
  box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.guide-card:hover{
  transform:translateY(-3px);
  box-shadow:var(--sh-2);
  border-color:rgba(18,63,53,.3);
}
.guide-card .thumb{
  position:relative;
  aspect-ratio:16/10;
  background:var(--bg-alt);
  overflow:hidden;
}
.guide-card .thumb img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .4s var(--ease);
}
.guide-card:hover .thumb img{transform:scale(1.03);}
.guide-card .thumb-fallback{
  position:absolute;
  inset:0;
  display:flex;
  align-items:center;
  justify-content:center;
  background:var(--bg-alt);
  color:var(--ink-soft);
}
.guide-card .thumb-fallback svg{width:34px;height:34px;opacity:.6;}
.guide-card .tag{
  position:absolute;
  left:16px;top:16px;
  height:28px;
  padding:0 12px;
  display:inline-flex;
  align-items:center;
  border-radius:var(--r-pill);
  background:rgba(11,43,36,.82);
  color:var(--mint);
  font-size:12.5px;
  font-weight:700;
  letter-spacing:.04em;
}
.guide-card .body{
  padding:24px;
  display:flex;
  flex-direction:column;
  flex:1 1 auto;
}
.guide-card h3{
  font-size:18px;
  line-height:1.5;
  font-weight:800;
  color:var(--brand);
}
.guide-card p{
  margin-top:10px;
  font-size:14.5px;
  color:var(--ink-soft);
  line-height:1.8;
  flex:1 1 auto;
}
.card-meta{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  margin-top:18px;
  padding-top:16px;
  border-top:1px solid var(--line);
}
.badge{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:var(--r-pill);
  background:rgba(111,227,176,.22);
  color:var(--brand);
  font-size:12.5px;
  font-weight:700;
}
.card-meta .time{font-size:13px;color:var(--ink-soft);font-variant-numeric:tabular-nums;}

/* ============ 步骤条 ============ */
.steps{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:24px;
}
.step{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:28px 24px;
  box-shadow:var(--sh-1);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:rgba(18,63,53,.3);}
.step .idx{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:44px;height:44px;
  border-radius:12px;
  border:1.5px solid rgba(18,63,53,.28);
  color:var(--brand);
  font-size:16px;
  font-weight:800;
  font-variant-numeric:tabular-nums;
  background:rgba(111,227,176,.14);
}
.step h3{
  margin-top:18px;
  font-size:17px;
  font-weight:800;
  color:var(--brand);
}
.step p{
  margin-top:10px;
  font-size:14.5px;
  color:var(--ink-soft);
}
.step::after{
  content:"";
  position:absolute;
  right:-16px;top:48px;
  width:8px;height:8px;
  border-right:2px solid rgba(18,63,53,.28);
  border-bottom:2px solid rgba(18,63,53,.28);
  transform:rotate(-45deg);
}
.steps .step:last-child::after{display:none;}

/* ============ 检查清单 ============ */
.check-panel{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:48px;
  align-items:center;
}
.check-panel .visual{
  position:relative;
  border-radius:var(--r-img);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh-1);
}
.check-panel .visual img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.check-panel .visual .stamp{
  position:absolute;
  right:18px;bottom:18px;
  width:88px;height:88px;
  border-radius:14px;
  background:rgba(11,43,36,.9);
  color:var(--mint);
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:2px;
  font-size:12px;
  letter-spacing:.06em;
  box-shadow:0 10px 26px rgba(11,43,36,.35);
}
.check-panel .visual .stamp b{font-size:22px;font-weight:800;color:#fff;}
.check-list{display:grid;gap:12px;margin-top:24px;}
.check-list li{
  display:flex;
  gap:14px;
  align-items:flex-start;
  background:#fff;
  border:1px solid var(--line);
  border-radius:12px;
  padding:16px 18px;
  box-shadow:var(--sh-1);
}
.check-list li .mark{
  flex:0 0 auto;
  width:24px;height:24px;
  border-radius:7px;
  background:rgba(111,227,176,.28);
  color:var(--brand);
  display:flex;
  align-items:center;
  justify-content:center;
  font-size:13px;
  font-weight:800;
  margin-top:2px;
}
.check-list li p{font-size:14.5px;color:var(--ink-soft);}
.check-list li strong{display:block;font-size:15px;color:var(--ink);margin-bottom:2px;}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;margin:0 auto;}
.faq-list{display:grid;gap:12px;margin-top:36px;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:12px;
  padding:0 22px;
  box-shadow:var(--sh-1);
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
  overflow:hidden;
}
.faq-item[open]{
  border-color:rgba(18,63,53,.36);
  border-left:3px solid var(--accent);
  padding-left:20px;
  box-shadow:var(--sh-2);
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:60px;
  padding:16px 0;
  font-size:17px;
  font-weight:700;
  color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary .ico{
  flex:0 0 auto;
  position:relative;
  width:26px;height:26px;
  border-radius:50%;
  background:var(--bg-alt);
  transition:background .18s var(--ease),transform .18s var(--ease);
}
.faq-item summary .ico::before,
.faq-item summary .ico::after{
  content:"";
  position:absolute;
  left:50%;top:50%;
  width:12px;height:2px;
  background:var(--brand);
  transform:translate(-50%,-50%);
  border-radius:2px;
  transition:transform .18s var(--ease),opacity .18s var(--ease);
}
.faq-item summary .ico::after{transform:translate(-50%,-50%) rotate(90deg);}
.faq-item[open] summary .ico{background:rgba(111,227,176,.34);}
.faq-item[open] summary .ico::after{opacity:0;}
.faq-item .answer{
  padding:0 0 20px;
  font-size:15px;
  color:var(--ink-soft);
  line-height:1.85;
  animation:fadeIn .18s var(--ease);
}
@keyframes fadeIn{from{opacity:0;transform:translateY(-4px);}to{opacity:1;transform:none;}}

/* ============ CTA 深色块 ============ */
.cta-block{
  background:var(--brand-deep);
  color:var(--ink-invert);
  border-radius:20px;
  padding:56px;
  display:grid;
  grid-template-columns:7fr 5fr;
  gap:40px;
  align-items:center;
  position:relative;
  overflow:hidden;
}
.cta-block::before{
  content:"";
  position:absolute;
  right:-80px;top:-80px;
  width:280px;height:280px;
  border-radius:28px;
  background:radial-gradient(circle at 30% 30%,rgba(111,227,176,.28),transparent 68%);
}
.cta-block > *{position:relative;z-index:2;}
.cta-block h2{
  font-size:28px;
  font-weight:800;
  line-height:1.35;
  letter-spacing:-.01em;
}
.cta-block p{
  margin-top:14px;
  font-size:15.5px;
  color:rgba(234,243,239,.82);
  max-width:560px;
}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.cta-side{
  background:rgba(234,243,239,.06);
  border:1px solid rgba(234,243,239,.16);
  border-radius:var(--r-card);
  padding:24px;
}
.cta-side h3{font-size:15px;font-weight:700;color:var(--mint);letter-spacing:.06em;}
.cta-side ul{margin-top:14px;display:grid;gap:12px;}
.cta-side li{
  display:flex;
  gap:10px;
  font-size:14.5px;
  color:rgba(234,243,239,.86);
}
.cta-side li::before{
  content:"";
  flex:0 0 auto;
  width:6px;height:6px;
  margin-top:9px;
  border-radius:2px;
  background:var(--accent);
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--brand-deep);
  color:var(--ink-invert);
  padding:64px 0 0;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1.2fr 1.3fr;
  gap:40px;
}
.footer-col h3{
  font-size:14px;
  font-weight:700;
  letter-spacing:.1em;
  color:var(--mint);
  margin-bottom:18px;
}
.site-footer .logo-text{color:#fff;}
.site-footer .logo-text small{color:rgba(234,243,239,.6);}
.footer-about{
  margin-top:16px;
  font-size:14px;
  color:rgba(234,243,239,.72);
  max-width:320px;
}
.footer-domain{
  margin-top:12px;
  font-size:13px;
  color:rgba(234,243,239,.55);
  font-variant-numeric:tabular-nums;
}
.footer-col ul{display:grid;gap:11px;}
.footer-col ul a{
  font-size:14.5px;
  color:rgba(234,243,239,.78);
}
.footer-col ul a:hover{color:var(--mint);text-decoration:underline;text-underline-offset:4px;}
.footer-col form{
  display:grid;
  grid-template-columns:1fr auto;
  gap:10px;
  align-items:center;
}
.footer-col input[type="email"]{
  height:48px;
  border-radius:var(--r-input);
  border:1px solid rgba(234,243,239,.24);
  background:rgba(234,243,239,.06);
  padding:0 14px;
  font-size:14.5px;
  color:#fff;
  width:100%;
  transition:border-color .18s var(--ease),box-shadow .18s var(--ease);
}
.footer-col input[type="email"]::placeholder{color:rgba(234,243,239,.5);}
.footer-col input[type="email"]:focus{
  outline:none;
  border-color:var(--accent);
  box-shadow:0 0 0 2px rgba(255,122,69,.4);
}
.form-msg{
  font-size:13.5px;
  color:var(--mint);
  min-height:18px;
}
.footer-bottom{
  margin-top:52px;
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13.5px;
  color:rgba(234,243,239,.62);
}
.to-top{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:44px;
  padding:0 18px;
  border-radius:var(--r-btn);
  border:1px solid rgba(234,243,239,.26);
  color:rgba(234,243,239,.86);
  font-size:13.5px;
}
.to-top:hover{background:rgba(234,243,239,.1);color:#fff;}

/* ============ 浮动 CTA ============ */
.float-cta{
  display:none;
  position:fixed;
  right:16px;
  bottom:16px;
  z-index:140;
  height:48px;
  padding:0 20px;
  border-radius:var(--r-btn);
  background:var(--accent);
  color:#fff;
  font-size:14.5px;
  font-weight:700;
  align-items:center;
  gap:8px;
  box-shadow:0 12px 28px rgba(255,122,69,.36);
}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  :root{--sp-section:88px;}
}
@media (max-width:1024px){
  :root{--sp-section:72px;}
  .main-nav{
    position:absolute;
    left:0;right:0;
    top:76px;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    background:#fff;
    border-bottom:1px solid var(--line);
    box-shadow:0 18px 34px rgba(18,63,53,.10);
    padding:14px 24px 20px;
    margin-left:0;
    display:none;
  }
  .main-nav.is-open{display:flex;}
  .main-nav a{height:46px;border-radius:12px;justify-content:flex-start;font-size:15.5px;}
  .nav-toggle{display:flex;}
  .nav-actions .btn--ghost{display:none;}
  .stats{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:1fr;}
  .step::after{display:none;}
  .check-panel{grid-template-columns:1fr;gap:32px;}
  .cta-block{grid-template-columns:1fr;padding:40px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  :root{--sp-section:56px;}
  .container{padding:0 20px;}
  .nav-wrap{gap:14px;min-height:68px;}
  .main-nav{top:68px;}
  .logo-text{font-size:15.5px;}
  .page-hero .container{padding-top:48px;padding-bottom:48px;}
  .page-hero h1{font-size:28px;}
  .page-hero .lead{font-size:15.5px;}
  .sec-title{font-size:22px;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px;}
  .guide-grid{grid-template-columns:1fr;}
  .stats{grid-template-columns:1fr 1fr;gap:16px;}
  .stat{padding:18px;}
  .stat b{font-size:28px;}
  .notice-inner{padding:18px;}
  .notice-inner .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:14px;}
  .cta-block{padding:28px;border-radius:16px;}
  .cta-block h2{font-size:22px;}
  .cta-actions .btn{width:100%;}
  .check-panel .visual .stamp{width:72px;height:72px;font-size:11px;}
  .check-panel .visual .stamp b{font-size:18px;}
}
@media (max-width:520px){
  .float-cta{display:inline-flex;}
  .stats{grid-template-columns:1fr;}
  .nav-actions .btn--primary{display:none;}
  .guide-card .body{padding:18px;}
  .faq-item{padding:0 16px;}
  .faq-item[open]{padding-left:14px;}
  .faq-item summary{font-size:16px;min-height:56px;}
  .check-list li{padding:14px;}
  .footer-col form{grid-template-columns:1fr;}
  .footer-col form .btn{width:100%;}
}

/* roulang page: category3 */
:root{
  --green:#123F35;
  --green-deep:#0B2B24;
  --mint:#6FE3B0;
  --mint-soft:rgba(111,227,176,.2);
  --orange:#FF7A45;
  --orange-dark:#F2662F;
  --bg:#F7F5F0;
  --bg-2:#EFEBE1;
  --ink:#17201D;
  --ink-2:#5E6E68;
  --on-dark:#EAF3EF;
  --line:#E4E0D6;
  --white:#FFFFFF;
  --r-card:14px;
  --r-img:16px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(18,63,53,.06);
  --sh-2:0 12px 32px rgba(18,63,53,.10);
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Noto Sans SC","HarmonyOS Sans",system-ui,-apple-system,"PingFang SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0}
a{color:var(--green);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--orange)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button,input{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--orange);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.num{font-variant-numeric:tabular-nums}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(247,245,240,.94);
  border-bottom:1px solid transparent;
  transition:background .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.site-header.is-scrolled{background:var(--white);border-bottom-color:var(--line);box-shadow:var(--sh-1)}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;height:74px}
.logo{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:700}
.logo:hover{color:var(--ink)}
.logo-mark{
  position:relative;flex:0 0 auto;width:30px;height:30px;
  border:2px solid var(--green);border-radius:8px;
}
.logo-mark::before{content:"";position:absolute;left:50%;top:6px;bottom:6px;width:2px;background:var(--mint);transform:translateX(-50%)}
.logo-mark::after{content:"";position:absolute;left:6px;right:6px;bottom:3px;height:2px;background:var(--orange);border-radius:2px}
.logo-text{display:flex;flex-direction:column;line-height:1.15;font-size:16px;letter-spacing:-.01em}
.logo-text small{font-size:11px;font-weight:500;color:var(--ink-2);letter-spacing:.08em}
.main-nav{display:flex;align-items:center;gap:4px;flex:1 1 auto;justify-content:center}
.main-nav a{
  position:relative;padding:8px 14px;border-radius:var(--r-pill);
  color:var(--ink-2);font-size:15px;font-weight:500;white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.main-nav a:hover{background:var(--mint-soft);color:var(--green)}
.main-nav a.is-active{color:var(--green);font-weight:700}
.main-nav a.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--green);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;flex-direction:column;justify-content:center;gap:5px;
  width:44px;height:44px;padding:0 10px;border:1.5px solid var(--line);
  border-radius:var(--r-btn);background:var(--white);cursor:pointer;
}
.nav-toggle i{display:block;height:2px;background:var(--green);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.nav-toggle[aria-expanded="true"] i:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] i:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] i:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border:1.5px solid transparent;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;cursor:pointer;white-space:nowrap;
  transition:transform .18s ease,background .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn--primary{background:var(--orange);color:#fff;box-shadow:var(--sh-1)}
.btn--primary:hover{background:var(--orange-dark);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn--primary:active{transform:translateY(0);box-shadow:var(--sh-1)}
.btn--ghost{border-color:var(--green);color:var(--green);background:transparent}
.btn--ghost:hover{background:var(--green);color:#fff;transform:translateY(-2px)}
.btn--ghost:active{transform:translateY(0)}
.btn--on-dark{background:var(--mint);color:var(--green-deep)}
.btn--on-dark:hover{background:#8DEABF;color:var(--green-deep);transform:translateY(-2px)}
.btn--outline-light{border-color:rgba(234,243,239,.5);color:var(--on-dark);background:transparent}
.btn--outline-light:hover{border-color:var(--on-dark);background:rgba(234,243,239,.12);color:#fff}
.btn--sm{height:44px;padding:0 20px;font-size:14px}
.btn.is-disabled,.btn[disabled]{opacity:.45;pointer-events:none;transform:none;box-shadow:none}
.text-link{
  display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--green);
  border-bottom:2px solid transparent;transition:color .2s ease,border-color .2s ease;
}
.text-link span{transition:transform .2s ease}
.text-link:hover{color:var(--green);border-bottom-color:var(--green)}
.text-link:hover span{transform:translateX(4px)}

/* ---------- Page hero ---------- */
.page-hero{padding:56px 0 72px;position:relative;overflow:hidden}
.page-hero::after{
  content:"";position:absolute;right:-60px;top:40px;width:260px;height:260px;
  border:1px solid rgba(18,63,53,.10);border-radius:28px;transform:rotate(12deg);pointer-events:none;
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--ink-2);margin-bottom:28px}
.breadcrumb li{display:inline-flex;align-items:center;gap:8px}
.breadcrumb li+li::before{content:"/";color:var(--line)}
.breadcrumb a{color:var(--ink-2)}
.breadcrumb a:hover{color:var(--green)}
.hero-grid{display:grid;grid-template-columns:6fr 6fr;gap:56px;align-items:center;position:relative;z-index:1}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 14px;border:1px solid rgba(18,63,53,.22);border-radius:var(--r-pill);
  font-size:13px;font-weight:600;color:var(--green);letter-spacing:.02em;margin-bottom:18px;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--mint)}
h1{font-size:40px;line-height:1.25;font-weight:800;letter-spacing:-.01em}
.page-hero h1{margin-bottom:18px}
.hero-sub{font-size:18px;color:var(--ink-2);max-width:560px;margin-bottom:14px}
.hero-lead{font-size:15px;color:var(--ink-2);max-width:600px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:26px}
.trust-row{display:flex;flex-wrap:wrap;gap:8px}
.trust-chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border:1px solid var(--line);border-radius:var(--r-pill);
  background:var(--white);font-size:13px;color:var(--ink-2);
}
.trust-chip::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--mint)}
.hero-media{position:relative;max-width:520px;justify-self:end;width:100%}
.hero-media img{
  width:100%;aspect-ratio:16/12;object-fit:cover;
  border-radius:20px;box-shadow:inset 0 0 0 1px rgba(18,63,53,.10),var(--sh-1);
  background:var(--bg-2);
}
.status-card{
  position:absolute;left:-16px;top:22px;
  display:flex;align-items:center;gap:12px;
  padding:12px 16px;border-radius:var(--r-card);
  background:var(--white);border:1px solid var(--line);box-shadow:var(--sh-2);
}
.status-icon{
  width:32px;height:32px;border-radius:10px;background:var(--mint-soft);
  display:flex;align-items:center;justify-content:center;color:var(--green);font-weight:800;font-size:13px;
}
.status-card b{display:block;font-size:14px;line-height:1.3}
.status-card span{font-size:12px;color:var(--ink-2)}

/* ---------- Sections ---------- */
.section{padding:var(--sec) 0}
.section--alt{background:var(--bg-2)}
.section-head{max-width:760px;margin-bottom:44px}
h2{font-size:28px;line-height:1.35;font-weight:800;letter-spacing:-.01em}
.section-head h2{margin-bottom:14px}
.section-head p{color:var(--ink-2);font-size:15px}
h3{font-size:18px;line-height:1.5;font-weight:700}

/* ---------- Metrics ---------- */
.metrics{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px;box-shadow:var(--sh-1);
}
.metric-num{font-size:36px;font-weight:800;color:var(--green);line-height:1.1;font-variant-numeric:tabular-nums;letter-spacing:-.02em}
.metric-num em{font-style:normal;font-size:18px;font-weight:700;margin-left:2px}
.metric-label{font-size:14px;font-weight:700;margin-top:8px}
.metric-desc{font-size:13px;color:var(--ink-2);line-height:1.7}

/* ---------- Steps ---------- */
.steps-list{position:relative}
.steps-list::before{
  content:"";position:absolute;left:43px;top:16px;bottom:16px;width:2px;
  background:linear-gradient(180deg,var(--mint),var(--line));border-radius:2px;
}
.step{
  position:relative;display:grid;grid-template-columns:88px 1fr;gap:26px;
  padding:26px 0;border-bottom:1px solid var(--line);
}
.step:first-child{padding-top:6px}
.step:last-child{border-bottom:0}
.step-num{
  position:relative;z-index:1;text-align:center;align-self:start;
  font-size:40px;font-weight:800;line-height:1.1;
  color:transparent;-webkit-text-stroke:1.5px var(--green);
  font-variant-numeric:tabular-nums;
  background:var(--bg);padding:2px 0;
}
.section--alt .step-num{background:var(--bg-2)}
.step-body h3{margin-bottom:10px}
.step-body p{color:var(--ink-2);font-size:15px;margin-bottom:14px}
.step-points{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:var(--r-pill);
  background:var(--mint-soft);color:var(--green);
  font-size:13px;font-weight:600;
}
.step-time{font-size:13px;color:var(--ink-2)}

/* ---------- Cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{
  display:flex;flex-direction:column;
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.card:hover{border-color:rgba(18,63,53,.3);transform:translateY(-4px);box-shadow:var(--sh-2)}
.card-media{aspect-ratio:16/10;background:var(--bg-2);overflow:hidden}
.card-media img{width:100%;height:100%;object-fit:cover}
.card-body{padding:24px}
.card-body h3{margin-bottom:10px}
.card-body p{color:var(--ink-2);font-size:15px;margin-bottom:16px}
.card-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:auto}
.badge{
  display:inline-flex;align-items:center;padding:3px 11px;border-radius:var(--r-pill);
  background:var(--mint-soft);color:var(--green);font-size:12px;font-weight:700;
}
.meta-time{font-size:13px;color:var(--ink-2)}

/* ---------- Trigger chips + notice ---------- */
.trigger-box{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px;box-shadow:var(--sh-1);
}
.chip-group{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:var(--bg);
  font-size:14px;color:var(--ink);
}
.chip b{color:var(--green);font-weight:700}
.notice{
  display:flex;gap:14px;align-items:flex-start;
  margin-top:26px;padding:18px 22px;
  background:rgba(255,122,69,.08);
  border-left:3px solid var(--orange);border-radius:10px;
}
.notice strong{display:block;font-size:15px;color:var(--ink);margin-bottom:4px}
.notice p{font-size:14px;color:var(--ink-2);line-height:1.75}

/* ---------- Checklist ---------- */
.check-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.check-item{
  display:flex;gap:14px;align-items:flex-start;
  padding:22px 24px;background:var(--white);border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);
}
.check-icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:8px;
  background:var(--green);color:#fff;display:flex;align-items:center;justify-content:center;
  font-size:13px;font-weight:800;margin-top:3px;
}
.check-item h3{font-size:16px;margin-bottom:6px}
.check-item p{font-size:14px;color:var(--ink-2);line-height:1.75}

/* ---------- FAQ ---------- */
.faq-list{max-width:880px}
.faq-item{
  position:relative;background:var(--white);border:1px solid var(--line);
  border-radius:12px;margin-bottom:12px;overflow:hidden;
  transition:border-color .18s ease;
}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  padding:18px 56px 18px 22px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary h3{font-size:17px;font-weight:700}
.faq-item summary::after{
  content:"";position:absolute;right:24px;top:50%;
  width:9px;height:9px;border-right:2px solid var(--ink-2);border-bottom:2px solid var(--ink-2);
  transform:translateY(-70%) rotate(45deg);transition:transform .18s ease;
}
.faq-item[open]{border-color:rgba(255,122,69,.5)}
.faq-item[open]::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--orange)}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq-answer{padding:0 24px 20px 22px;font-size:15px;color:var(--ink-2);line-height:1.8}

/* ---------- CTA ---------- */
.cta-band{background:var(--green-deep);color:var(--on-dark);padding:72px 0}
.cta-inner{display:grid;grid-template-columns:1.4fr 1fr;gap:40px;align-items:center}
.cta-band h2{color:#fff;margin-bottom:14px}
.cta-band p{color:rgba(234,243,239,.78);font-size:15px;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end}

/* ---------- Footer ---------- */
.site-footer{background:var(--green-deep);color:var(--on-dark);padding:72px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1.2fr 1.2fr;gap:40px}
.site-footer .logo{color:#fff}
.site-footer .logo:hover{color:#fff}
.site-footer .logo-mark{border-color:rgba(234,243,239,.7)}
.site-footer .logo-text small{color:rgba(234,243,239,.6)}
.footer-about{font-size:14px;color:rgba(234,243,239,.75);margin-top:16px;max-width:300px;line-height:1.8}
.footer-domain{font-size:13px;color:rgba(234,243,239,.55);margin-top:10px}
.footer-col h3{font-size:15px;color:#fff;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul li{margin-bottom:10px}
.footer-col ul a{font-size:14px;color:rgba(234,243,239,.75)}
.footer-col ul a:hover{color:var(--mint)}
.footer-col form{display:grid;grid-template-columns:1fr auto;gap:10px}
.footer-col input{
  height:44px;padding:0 14px;border-radius:var(--r-btn);
  border:1px solid rgba(234,243,239,.24);background:rgba(234,243,239,.06);
  color:#fff;font-size:14px;transition:border-color .2s ease,box-shadow .2s ease;
}
.footer-col input::placeholder{color:rgba(234,243,239,.5)}
.footer-col input:focus{outline:none;border-color:var(--mint);box-shadow:0 0 0 2px rgba(111,227,176,.35)}
.form-msg{font-size:13px;color:var(--mint);min-height:18px;margin-top:4px}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;align-items:center;gap:14px;
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:rgba(234,243,239,.6);
}
.to-top{display:inline-flex;align-items:center;gap:6px;color:rgba(234,243,239,.8);font-size:13px}
.to-top:hover{color:var(--mint)}

/* ---------- Floating CTA ---------- */
.floating-cta{
  position:fixed;right:16px;bottom:18px;z-index:70;height:48px;padding:0 20px;
  display:none;box-shadow:var(--sh-2);
}

/* ---------- Responsive ---------- */
@media (max-width:1280px){
  .hero-media{max-width:480px}
}
@media (max-width:1024px){
  :root{--sec:72px}
  .nav-wrap{height:70px}
  .main-nav{
    position:fixed;left:0;right:0;top:70px;
    flex-direction:column;align-items:stretch;gap:2px;
    background:var(--white);padding:12px 20px 20px;
    border-bottom:1px solid var(--line);box-shadow:var(--sh-2);
    opacity:0;transform:translateY(-10px);pointer-events:none;
    transition:opacity .2s ease,transform .2s ease;
  }
  .main-nav.is-open{opacity:1;transform:none;pointer-events:auto}
  .main-nav a{padding:12px 14px;border-radius:10px;font-size:15px}
  .main-nav a.is-active{background:var(--mint-soft)}
  .main-nav a.is-active::after{display:none}
  .nav-toggle{display:flex}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-media{max-width:100%;justify-self:stretch}
  .hero-media img{aspect-ratio:16/9;max-height:340px}
  .card-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .cta-inner{grid-template-columns:1fr;gap:24px}
  .cta-actions{justify-content:flex-start}
}
@media (max-width:768px){
  :root{--sec:48px}
  .container{padding:0 20px}
  h1{font-size:28px;line-height:1.3}
  h2{font-size:22px}
  h3{font-size:17px}
  .page-hero{padding:32px 0 48px}
  .page-hero::after{display:none}
  .hero-sub{font-size:16px}
  .metrics{grid-template-columns:repeat(2,1fr);gap:20px;padding:24px}
  .metric-num{font-size:30px}
  .step{grid-template-columns:54px 1fr;gap:16px;padding:22px 0}
  .steps-list::before{left:26px}
  .step-num{font-size:26px;-webkit-text-stroke-width:1.2px}
  .card-grid{grid-template-columns:1fr}
  .check-grid{grid-template-columns:1fr}
  .cta-band{padding:56px 0}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-col form{grid-template-columns:1fr}
  .btn{width:auto}
  .hero-actions .btn,.cta-actions .btn{flex:1 1 100%}
}
@media (max-width:480px){
  .nav-actions .btn--ghost{display:none}
  .trust-row{gap:6px}
  .trust-chip{font-size:12px;padding:4px 10px}
  .hero-media img{max-height:240px}
  .floating-cta{display:inline-flex}
  .status-card{left:8px;top:12px;padding:10px 12px}
  .metrics{grid-template-columns:1fr;gap:18px}
  .card-body{padding:18px}
  .trigger-box{padding:22px}
  .faq-item summary{padding:16px 48px 16px 18px}
  .faq-answer{padding:0 18px 18px}
}