/* roulang page: index */
:root{
  --coral:#F4623A;
  --coral-soft:#FFF1EC;
  --ink:#0F3D3E;
  --aqua:#7FD1C1;
  --mint:#DCF2EC;
  --bg:#FAF6F1;
  --white:#FFFFFF;
  --band:#F2ECE4;
  --text:#1B2321;
  --text-2:#5A6462;
  --text-3:#8A9290;
  --line:#E6DED4;
  --success:#2E9E78;
  --warn:#C2410C;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(15,61,62,.06),0 2px 8px rgba(15,61,62,.04);
  --sh-md:0 8px 24px rgba(15,61,62,.08);
  --sh-lg:0 20px 48px rgba(15,61,62,.12);
  --nav-h:68px;
  --tab-h:56px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;line-height:1.85;color:var(--text);background:var(--bg);
  font-feature-settings:"tnum";
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,textarea,select{font:inherit;color:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--coral);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.narrow{max-width:760px;margin:0 auto;}
.tnum{font-variant-numeric:tabular-nums;}

/* ============ header ============ */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--white);
  border-bottom:1px solid var(--line);transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-md);}
.nav-wrap{display:flex;align-items:center;gap:28px;height:var(--nav-h);}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{width:34px;height:34px;border-radius:11px;background:var(--coral);display:grid;place-items:center;box-shadow:var(--sh-sm);}
.logo-mark svg{width:20px;height:20px;}
.logo-text{font-size:18px;font-weight:800;letter-spacing:-.2px;color:var(--ink);white-space:nowrap;}
.logo-text span{color:var(--coral);}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px;}
.main-nav a{
  position:relative;padding:8px 12px;font-size:15px;color:var(--text-2);
  border-radius:var(--r-sm);transition:color .2s ease,background .2s ease;white-space:nowrap;
}
.main-nav a:hover{color:var(--ink);background:var(--bg);}
.main-nav a.is-active{color:var(--ink);font-weight:700;}
.main-nav a.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:-2px;height:2px;
  background:var(--coral);border-radius:2px;
}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:14px;}
.link-quiet{font-size:15px;color:var(--text-2);transition:color .2s ease;}
.link-quiet:hover{color:var(--coral);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-pill);font-size:15px;font-weight:600;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--coral);color:#fff;box-shadow:var(--sh-sm);}
.btn-primary:hover{background:#F7734F;transform:translateY(-1px);box-shadow:var(--sh-md);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink);}
.btn-ghost:hover{background:var(--ink);color:#fff;}
.btn-light{background:#fff;color:var(--coral);height:48px;padding:0 26px;}
.btn-light:hover{transform:translateY(-1px);box-shadow:var(--sh-md);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn-text{display:inline-flex;align-items:center;gap:6px;color:var(--coral);font-size:15px;font-weight:600;}
.btn-text .arw{transition:transform .2s ease;}
.btn-text:hover .arw{transform:translateX(3px);}
.btn-text:hover{text-decoration:underline;}

/* ============ hero ============ */
.hero{position:relative;overflow:hidden;padding:72px 0 76px;background:linear-gradient(180deg,#FFFDFB 0%,var(--bg) 100%);}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(15,61,62,.06) 1.6px,transparent 1.6px);
  background-size:22px 22px;opacity:.9;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;border-radius:var(--r-pill);
  background:var(--mint);color:var(--ink);font-size:13px;font-weight:600;letter-spacing:.2px;
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--coral);display:inline-block;}
.hero h1{font-size:44px;line-height:1.24;font-weight:800;letter-spacing:-.5px;color:var(--ink);margin:22px 0 18px;}
.hero h1 em{font-style:normal;color:var(--coral);}
.hero-sub{font-size:17px;color:var(--text-2);max-width:520px;}
.hero-btns{display:flex;gap:14px;margin-top:32px;flex-wrap:wrap;}
.hero-note{margin-top:18px;font-size:13px;color:var(--text-3);}
.hero-visual{position:relative;}
.hero-visual::after{
  content:"";position:absolute;inset:26px -22px -26px 26px;border-radius:var(--r-lg);
  background:var(--mint);z-index:0;
}
.hero-figure{position:relative;z-index:1;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-lg);background:var(--band);}
.hero-figure img{width:100%;height:420px;object-fit:cover;}
.hero-card{
  position:absolute;right:-14px;bottom:-24px;z-index:2;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);padding:16px 18px;box-shadow:var(--sh-md);min-width:196px;
}
.hero-card b{display:block;font-size:26px;color:var(--coral);font-weight:800;line-height:1.2;font-variant-numeric:tabular-nums;}
.hero-card span{font-size:13px;color:var(--text-2);}

/* ============ stats ============ */
.stats{border-top:1px solid var(--line);border-bottom:1px solid var(--line);background:var(--white);}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;padding:36px 0;}
.stat{padding-left:18px;border-left:3px solid var(--mint);}
.stat b{display:block;font-size:32px;font-weight:800;color:var(--ink);line-height:1.2;font-variant-numeric:tabular-nums;}
.stat span{font-size:14px;color:var(--text-2);}

/* ============ section ============ */
.section{padding:80px 0;}
.section.band{background:var(--band);}
.sec-head{max-width:720px;margin-bottom:40px;}
.sec-head .kicker{font-size:13px;font-weight:700;color:var(--coral);letter-spacing:1.4px;text-transform:uppercase;}
.sec-head h2{font-size:32px;line-height:1.35;font-weight:700;color:var(--ink);letter-spacing:-.3px;margin:10px 0 12px;}
.sec-head p{color:var(--text-2);font-size:16px;}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center;}

/* ============ 权益对比表 ============ */
.table-shell{overflow-x:auto;border-radius:var(--r-md);}
.cmp{width:100%;border-collapse:separate;border-spacing:0;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;min-width:720px;}
.cmp th,.cmp td{padding:16px 18px;text-align:left;font-size:15px;border-bottom:1px solid var(--line);}
.cmp thead th{background:var(--ink);color:#fff;font-weight:600;font-size:14px;border-bottom:0;}
.cmp thead th:first-child{border-top-left-radius:var(--r-md);}
.cmp thead th:last-child{border-top-right-radius:var(--r-md);}
.cmp tbody tr:last-child td{border-bottom:0;}
.cmp tbody tr:hover td{background:#FDFAF7;}
.cmp .feat{color:var(--text-2);font-weight:600;width:32%;}
.cmp .rec{background:var(--coral-soft);border-left:2px solid var(--coral);border-right:2px solid var(--coral);position:relative;}
.cmp thead th.rec{background:var(--coral);color:#fff;}
.cmp thead th.rec::before{
  content:"推荐";position:absolute;top:-12px;left:50%;transform:translateX(-50%);
  background:var(--ink);color:#fff;font-size:11px;padding:2px 10px;border-radius:var(--r-pill);letter-spacing:.5px;
}
.check{display:inline-grid;place-items:center;width:20px;height:20px;border-radius:50%;background:var(--coral);color:#fff;font-size:12px;}
.dash{display:inline-block;width:14px;height:2px;background:var(--text-3);vertical-align:middle;border-radius:2px;}
.cmp-note{margin-top:16px;font-size:13px;color:var(--text-3);}
.segmented{display:none;gap:8px;margin-bottom:18px;background:#fff;border:1px solid var(--line);padding:6px;border-radius:var(--r-pill);}
.segmented button{flex:1;height:38px;border-radius:var(--r-pill);font-size:14px;font-weight:600;color:var(--text-2);transition:all .2s ease;}
.segmented button.is-on{background:var(--coral);color:#fff;}
.mobile-cmp{display:none;gap:14px;}
.mobile-cmp .m-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:20px;}
.mobile-cmp .m-card h4{font-size:16px;color:var(--ink);margin-bottom:12px;}
.mobile-cmp .m-card li{display:flex;justify-content:space-between;gap:12px;font-size:14px;padding:9px 0;border-bottom:1px dashed var(--line);color:var(--text-2);}
.mobile-cmp .m-card li:last-child{border-bottom:0;}

/* ============ 等级三卡 ============ */
.cards-3{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.tier-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:28px;
  box-shadow:var(--sh-sm);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.tier-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:rgba(244,98,58,.35);}
.tier-top{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.tier-ico{width:44px;height:44px;border-radius:12px;background:var(--mint);display:grid;place-items:center;color:var(--ink);}
.tier-ico svg{width:22px;height:22px;}
.tier-card h3{font-size:20px;font-weight:700;color:var(--ink);}
.tier-card p{font-size:15px;color:var(--text-2);margin-top:8px;}
.tier-list{margin-top:18px;display:grid;gap:10px;}
.tier-list li{position:relative;padding-left:24px;font-size:14.5px;color:var(--text-2);}
.tier-list li::before{
  content:"";position:absolute;left:0;top:9px;width:12px;height:7px;
  border-left:2px solid var(--coral);border-bottom:2px solid var(--coral);transform:rotate(-45deg);
}
.tier-card .badge{margin-top:20px;}

/* ============ 内容预览四卡 ============ */
.cards-4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.cover-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;display:flex;flex-direction:column;
}
.cover-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:rgba(244,98,58,.35);}
.cover-media{position:relative;aspect-ratio:16/9;background:var(--band);overflow:hidden;}
.cover-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.cover-card:hover .cover-media img{transform:scale(1.04);}
.pill{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;background:var(--mint);color:var(--ink);
}
.pill-coral{background:var(--coral);color:#fff;}
.pill-white{background:rgba(255,255,255,.94);color:var(--ink);box-shadow:var(--sh-sm);}
.media-tag{position:absolute;top:12px;left:12px;}
.lock-tag{
  position:absolute;right:12px;bottom:12px;display:inline-flex;align-items:center;gap:5px;
  background:rgba(15,61,62,.86);color:#fff;font-size:12px;height:24px;padding:0 10px;border-radius:var(--r-pill);
}
.cover-body{padding:18px 20px 22px;display:flex;flex-direction:column;gap:8px;flex:1;}
.cover-body h3{font-size:16.5px;font-weight:700;color:var(--ink);line-height:1.5;}
.cover-body p{font-size:13.5px;color:var(--text-2);line-height:1.7;}
.cover-body .more{margin-top:auto;font-size:13px;color:var(--coral);font-weight:600;padding-top:6px;}

/* ============ 最新信息 CMS ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.news-card{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px 24px 24px 26px;display:flex;flex-direction:column;gap:10px;overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-card::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:4px;background:var(--coral);
  border-radius:0 4px 4px 0;transition:top .22s ease,bottom .22s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:rgba(244,98,58,.35);}
.news-card:hover::before{top:0;bottom:0;}
.news-card h3{font-size:17px;font-weight:700;color:var(--ink);line-height:1.55;}
.news-card p{font-size:14px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:10px;font-size:13px;color:var(--text-3);}
.news-meta .go{color:var(--coral);font-weight:600;}
.empty-state{
  border:1px dashed var(--line);border-radius:var(--r-md);background:#fff;
  padding:56px 24px;text-align:center;color:var(--text-2);
}
.empty-state .ico{
  width:56px;height:56px;margin:0 auto 16px;border-radius:50%;background:var(--mint);
  display:grid;place-items:center;color:var(--ink);
}
.empty-state p{font-size:15px;}
.empty-state a{color:var(--coral);font-weight:600;margin-top:10px;display:inline-block;}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:920px;}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;}
.faq-item.is-open{border-color:rgba(244,98,58,.45);box-shadow:var(--sh-sm);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;text-align:left;font-size:16px;font-weight:600;color:var(--ink);
  border-left:3px solid transparent;transition:border-color .2s ease,background .2s ease;
}
.faq-item.is-open .faq-q{border-left-color:var(--coral);}
.faq-q:hover{background:#FDFAF7;}
.faq-q .sign{
  position:relative;flex-shrink:0;width:22px;height:22px;border-radius:50%;background:var(--bg);
  transition:transform .25s ease,background .25s ease;
}
.faq-q .sign::before,.faq-q .sign::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--ink);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-q .sign::before{width:11px;height:2px;}
.faq-q .sign::after{width:2px;height:11px;transition:opacity .2s ease;}
.faq-item.is-open .faq-q .sign{transform:rotate(135deg);background:var(--coral);}
.faq-item.is-open .faq-q .sign::before,.faq-item.is-open .faq-q .sign::after{background:#fff;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a .inner{padding:0 24px 20px 27px;font-size:15px;color:var(--text-2);line-height:1.85;}

/* ============ CTA ============ */
.cta-band{padding:0 0 64px;}
.cta-box{
  position:relative;overflow:hidden;background:var(--ink);border-radius:var(--r-lg);
  padding:56px;display:flex;align-items:center;justify-content:space-between;gap:36px;
}
.cta-box::after{
  content:"";position:absolute;right:-40px;top:-40px;width:280px;height:280px;pointer-events:none;
  background-image:radial-gradient(rgba(127,209,193,.22) 1.8px,transparent 1.8px);
  background-size:18px 18px;
}
.cta-box h2{position:relative;color:#fff;font-size:28px;font-weight:700;letter-spacing:-.2px;line-height:1.4;}
.cta-box p{position:relative;color:#CFE3DE;font-size:15px;margin-top:10px;max-width:560px;}
.cta-box .btn{position:relative;flex-shrink:0;}

/* ============ footer ============ */
.site-footer{background:var(--ink);color:#CFE3DE;padding:64px 0 0;position:relative;overflow:hidden;}
.site-footer::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(127,209,193,.09) 1.6px,transparent 1.6px);
  background-size:24px 24px;
}
.footer-grid{position:relative;display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-text span{color:var(--aqua);}
.footer-brand p{margin-top:16px;font-size:14px;color:#9FBFB9;max-width:300px;line-height:1.8;}
.footer-col h4{font-size:14px;color:#fff;font-weight:700;margin-bottom:16px;letter-spacing:.4px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:#CFE3DE;transition:color .2s ease;}
.footer-col a:hover{color:var(--coral);}
.footer-bottom{
  position:relative;border-top:1px solid rgba(207,227,222,.16);padding:20px 0;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:12px;color:#8AABA5;
}
.footer-bottom .disclaimer{max-width:640px;line-height:1.7;}

/* ============ mobile tab ============ */
.mobile-tab{display:none;}

/* ============ responsive ============ */
@media (max-width:1199px){
  .hero h1{font-size:40px;}
  .hero-grid{gap:40px;}
  .main-nav a{padding:8px 9px;font-size:14.5px;}
  .nav-wrap{gap:18px;}
}
@media (max-width:991px){
  .main-nav{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:44px;}
  .hero h1{font-size:36px;}
  .hero-figure img{height:360px;}
  .hero-visual::after{inset:18px -14px -18px 18px;}
  .cards-4{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:repeat(2,1fr);}
  .cards-3{grid-template-columns:1fr;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:20px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .table-shell{display:none;}
  .segmented{display:flex;}
  .mobile-cmp{display:grid;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  body{padding-bottom:calc(var(--tab-h) + env(safe-area-inset-bottom));}
  .nav-wrap{height:56px;}
  .nav-actions .link-quiet{display:none;}
  .nav-actions .btn{height:38px;padding:0 16px;font-size:13.5px;}
  .logo-text{font-size:16px;}
  .hero{padding:44px 0 52px;}
  .hero h1{font-size:30px;}
  .hero-sub{font-size:15.5px;}
  .hero-btns{flex-direction:column;align-items:stretch;}
  .hero-btns .btn{width:100%;}
  .hero-figure img{height:260px;}
  .hero-card{position:static;margin-top:16px;right:auto;bottom:auto;}
  .hero-visual::after{display:none;}
  .section{padding:48px 0;}
  .sec-head h2{font-size:22px;}
  .cards-4{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .cta-box{flex-direction:column;align-items:flex-start;padding:32px 24px;gap:24px;}
  .cta-box h2{font-size:22px;}
  .cta-box .btn{width:100%;}
  .cta-band{padding-bottom:40px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding-bottom:32px;}
  .site-footer{padding-top:44px;}
  .mobile-tab{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:70;
    height:calc(var(--tab-h) + env(safe-area-inset-bottom));
    padding-bottom:env(safe-area-inset-bottom);
    background:#fff;border-top:1px solid var(--line);box-shadow:0 -4px 16px rgba(15,61,62,.06);
  }
  .mobile-tab a{
    flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
    font-size:11px;color:var(--text-3);position:relative;
  }
  .mobile-tab a svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.8;}
  .mobile-tab a.is-active{color:var(--coral);}
  .mobile-tab a.is-active::before{
    content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
    width:24px;height:3px;border-radius:0 0 3px 3px;background:var(--coral);
  }
  .faq-q{padding:16px 18px;font-size:15px;}
  .faq-a .inner{padding:0 18px 16px 21px;font-size:14.5px;}
  .cmp-note{font-size:12px;}
}
@media (max-width:480px){
  .btn{height:44px;}
  .stat b{font-size:26px;}
  .tier-card,.news-card{padding:20px;}
  .hero h1{font-size:27px;}
}

/* roulang page: article */
:root{
  --coral:#F4623A;
  --coral-hover:#FF7A54;
  --coral-soft:#FFF1EC;
  --ink:#0F3D3E;
  --ink-2:#17504F;
  --aqua:#7FD1C1;
  --mint:#DCF2EC;
  --bg:#FAF6F1;
  --band:#F2ECE4;
  --surface:#FFFFFF;
  --text:#1B2321;
  --muted:#5A6462;
  --faint:#8A9290;
  --line:#E6DED4;
  --success:#2E9E78;
  --warn:#C2410C;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(15,61,62,.06),0 2px 8px rgba(15,61,62,.04);
  --sh-md:0 8px 24px rgba(15,61,62,.08);
  --sh-lg:0 20px 48px rgba(15,61,62,.12);
  --dur:.22s;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--ink);text-decoration:none;transition:color var(--dur) ease;}
a:hover{color:var(--coral);}
button{font-family:inherit;cursor:pointer;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
input,select,textarea{font-family:inherit;font-size:15px;}
:focus-visible{outline:2px solid var(--coral);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  transition:box-shadow var(--dur) ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-md);}
.nav-wrap{display:flex;align-items:center;gap:28px;height:68px;}
.logo{display:inline-flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.3px;color:var(--ink);}
.logo:hover{color:var(--ink);}
.logo-mark{
  width:36px;height:36px;border-radius:11px;
  background:linear-gradient(135deg,var(--coral),#E04A26);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 4px 12px rgba(244,98,58,.28);
  flex:0 0 auto;
}
.logo-mark svg{width:22px;height:22px;}
.logo-text{font-size:18px;color:var(--ink);}
.logo-text span{color:var(--coral);margin-left:2px;}
.main-nav{display:flex;align-items:center;gap:24px;margin-left:12px;}
.main-nav a{
  position:relative;
  font-size:15px;color:var(--muted);padding:6px 0;font-weight:500;
}
.main-nav a:hover{color:var(--ink);}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:-8px;height:2px;
  background:var(--coral);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform var(--dur) ease;
}
.main-nav a:hover::after,
.main-nav a.is-active::after{transform:scaleX(1);}
.main-nav a.is-active{color:var(--ink);font-weight:600;}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:16px;}
.link-quiet{font-size:15px;color:var(--muted);}
.link-quiet:hover{color:var(--coral);}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;white-space:nowrap;
  border:1.5px solid transparent;transition:all var(--dur) ease;
}
.btn-primary{
  background:var(--coral);color:#fff;box-shadow:var(--sh-sm);
}
.btn-primary:hover{
  background:var(--coral-hover);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md);
}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{
  background:transparent;color:var(--ink);border-color:var(--ink);
}
.btn-ghost:hover{background:var(--ink);color:#fff;}
.btn-light{
  background:#fff;color:var(--coral);border-color:#fff;
}
.btn-light:hover{background:var(--mint);color:var(--ink);border-color:var(--mint);}
.btn-lg{height:48px;padding:0 28px;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--coral);
}
.btn-text::after{content:"→";transition:transform var(--dur) ease;}
.btn-text:hover::after{transform:translateX(3px);}

/* ---------- breadcrumb ---------- */
.crumb-bar{background:var(--surface);border-bottom:1px solid var(--line);}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:16px 0;font-size:13.5px;color:var(--faint);
}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--coral);}
.breadcrumb .sep{color:#C9C2B8;}
.breadcrumb .current{color:var(--faint);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- article hero ---------- */
.article-hero{
  position:relative;overflow:hidden;
  background:
    linear-gradient(180deg,rgba(250,246,241,.94),rgba(250,246,241,.99)),
    url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.article-hero::after{
  content:"";position:absolute;right:-60px;top:-40px;width:280px;height:280px;
  background-image:radial-gradient(rgba(15,61,62,.16) 1.6px,transparent 1.6px);
  background-size:16px 16px;opacity:.5;pointer-events:none;
}
.article-hero-inner{position:relative;z-index:1;padding:52px 0 46px;max-width:820px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 14px;border-radius:var(--r-pill);
  font-size:13px;font-weight:600;letter-spacing:.2px;
  background:var(--mint);color:var(--ink-2);
}
.badge-coral{background:var(--coral-soft);color:#B8401E;}
.article-hero h1{
  margin:18px 0 16px;
  font-size:44px;line-height:1.28;font-weight:800;letter-spacing:-.5px;color:var(--ink);
}
.article-lead{
  font-size:16.5px;line-height:1.85;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
  max-width:720px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:24px;font-size:14px;color:var(--faint);
}
.article-meta .dot{color:#C9C2B8;}
.article-meta strong{color:var(--muted);font-weight:600;}

/* ---------- layout ---------- */
.page-main{padding:48px 0 72px;}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 280px;
  gap:48px;
  align-items:start;
}
.article-main{min-width:0;}

/* ---------- mobile toc ---------- */
.toc-mobile{display:none;margin-bottom:24px;}
details.toc-box{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-sm);overflow:hidden;
}
details.toc-box summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 18px;font-size:15px;font-weight:600;color:var(--ink);
}
details.toc-box summary::-webkit-details-marker{display:none;}
details.toc-box summary::after{
  content:"+";font-size:18px;color:var(--coral);font-weight:700;line-height:1;
  transition:transform var(--dur) ease;
}
details.toc-box[open] summary::after{transform:rotate(45deg);}
.toc-list{padding:0 18px 16px;display:grid;gap:8px;}
.toc-list a{font-size:14px;color:var(--muted);display:flex;gap:8px;}
.toc-list a:hover{color:var(--coral);}
.toc-list .num{color:var(--coral);font-weight:700;font-size:13px;font-variant-numeric:tabular-nums;}

/* ---------- article body ---------- */
.article-body{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);
  padding:40px 44px 44px;
  font-size:17px;line-height:1.9;color:var(--text);
  max-width:820px;
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.15em;color:#26302E;}
.article-body h2{
  position:relative;
  margin:48px 0 18px;
  padding-left:14px;
  font-size:26px;line-height:1.42;font-weight:700;color:var(--ink);
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;
  background:var(--coral);border-radius:4px;
}
.article-body h3{margin:32px 0 12px;font-size:20px;font-weight:600;color:var(--ink);}
.article-body h4{margin:24px 0 10px;font-size:17px;font-weight:600;color:var(--ink-2);}
.article-body a{color:var(--coral);text-decoration:underline;text-underline-offset:3px;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.3em;line-height:1.85;}
.article-body ul li{list-style:disc;margin-bottom:8px;}
.article-body ol li{list-style:decimal;margin-bottom:8px;}
.article-body li::marker{color:var(--coral);}
.article-body blockquote{
  margin:26px 0;padding:16px 22px;
  border-left:3px solid var(--ink);
  background:var(--band);border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:var(--muted);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:12px;margin:26px 0 10px;width:100%;height:auto;background:var(--band);}
.article-body figure{margin:26px 0;}
.article-body figcaption{font-size:13px;color:var(--faint);text-align:center;margin-top:8px;}
.article-body table{
  width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;
  display:block;overflow-x:auto;white-space:nowrap;
}
.article-body thead th{background:var(--ink);color:#fff;font-weight:600;text-align:left;}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line);}
.article-body tbody tr:hover{background:var(--bg);}
.article-body hr{border:none;border-top:1px solid var(--line);margin:36px 0;}
.article-body strong{color:var(--ink);font-weight:700;}

.empty-state{
  text-align:center;padding:56px 20px;
}
.empty-state .empty-icon{
  width:64px;height:64px;margin:0 auto 18px;border-radius:50%;
  background:var(--coral-soft);color:var(--coral);
  display:flex;align-items:center;justify-content:center;font-size:26px;font-weight:800;
}
.empty-state h2{font-size:22px;color:var(--ink);margin-bottom:10px;}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:20px;}

/* ---------- tags ---------- */
.article-tags{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:28px;
}
.article-tags .tag-label{font-size:14px;color:var(--faint);margin-right:2px;}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;
  border-radius:var(--r-pill);background:var(--surface);
  border:1px solid var(--line);font-size:13.5px;color:var(--muted);
  transition:all var(--dur) ease;
}
.tag:hover{border-color:rgba(244,98,58,.45);color:var(--coral);background:var(--coral-soft);}

/* ---------- related ---------- */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin:48px 0 22px;}
.section-head h2{font-size:24px;font-weight:700;color:var(--ink);letter-spacing:-.3px;}
.section-head p{font-size:14px;color:var(--faint);margin-top:4px;}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-sm);transition:all var(--dur) ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:rgba(244,98,58,.35);}
.card-thumb{
  position:relative;aspect-ratio:16/9;background:var(--band);overflow:hidden;
}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.card:hover .card-thumb img{transform:scale(1.04);}
.card-body{padding:18px 18px 20px;display:flex;flex-direction:column;gap:8px;flex:1;}
.card-body h3{font-size:16.5px;line-height:1.5;font-weight:600;color:var(--ink);}
.card-body p{font-size:13.5px;color:var(--muted);line-height:1.7;}
.card-link{margin-top:auto;font-size:13.5px;font-weight:600;color:var(--coral);}

/* ---------- post nav ---------- */
.post-nav{
  display:flex;flex-wrap:wrap;gap:16px;justify-content:space-between;
  margin-top:36px;padding-top:28px;border-top:1px solid var(--line);
}
.post-nav a{
  flex:1 1 220px;display:flex;flex-direction:column;gap:6px;
  padding:18px 20px;border:1px solid var(--line);border-radius:var(--r-md);
  background:var(--surface);transition:all var(--dur) ease;
}
.post-nav a:hover{border-color:rgba(244,98,58,.4);box-shadow:var(--sh-sm);transform:translateY(-2px);}
.post-nav .nav-label{font-size:12.5px;color:var(--faint);letter-spacing:.4px;}
.post-nav .nav-title{font-size:15.5px;font-weight:600;color:var(--ink);}

/* ---------- sidebar ---------- */
.article-side{position:sticky;top:96px;display:grid;gap:20px;}
.side-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-sm);padding:20px;
}
.side-card h3{
  font-size:15px;font-weight:700;color:var(--ink);margin-bottom:14px;
  display:flex;align-items:center;gap:8px;
}
.side-card h3::before{
  content:"";width:6px;height:6px;border-radius:50%;background:var(--coral);
}
.side-list{display:grid;gap:12px;}
.side-list a{display:block;font-size:14px;line-height:1.6;color:var(--muted);}
.side-list a:hover{color:var(--coral);}
.side-list .side-num{
  display:inline-block;width:18px;font-size:12.5px;font-weight:700;color:var(--coral);
  font-variant-numeric:tabular-nums;
}
.side-cta{
  background:linear-gradient(160deg,var(--ink),var(--ink-2));
  color:#fff;border:none;position:relative;overflow:hidden;
}
.side-cta h3{color:#fff;}
.side-cta h3::before{background:var(--aqua);}
.side-cta p{font-size:13.5px;line-height:1.75;color:#CFE3DE;margin-bottom:16px;}
.side-cta .btn{width:100%;height:42px;font-size:14px;}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;overflow:hidden;
  margin:72px 0 0;
  background:linear-gradient(120deg,var(--ink) 0%,var(--ink-2) 100%);
  border-radius:var(--r-lg);
  padding:48px 52px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-band::after{
  content:"";position:absolute;right:-40px;bottom:-60px;width:260px;height:260px;
  background-image:radial-gradient(rgba(127,209,193,.34) 1.8px,transparent 1.8px);
  background-size:18px 18px;pointer-events:none;
}
.cta-band h2{
  position:relative;z-index:1;
  font-size:28px;line-height:1.4;font-weight:800;color:#fff;letter-spacing:-.3px;
}
.cta-band p{position:relative;z-index:1;margin-top:8px;font-size:15px;color:#CFE3DE;}
.cta-band .btn{position:relative;z-index:1;flex:0 0 auto;}

/* ---------- footer ---------- */
.site-footer{
  margin-top:64px;background:var(--ink);color:#CFE3DE;
  position:relative;overflow:hidden;
}
.site-footer::before{
  content:"";position:absolute;left:-50px;top:-60px;width:240px;height:240px;
  background-image:radial-gradient(rgba(127,209,193,.22) 1.6px,transparent 1.6px);
  background-size:17px 17px;pointer-events:none;
}
.footer-grid{
  position:relative;z-index:1;
  display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;
  padding:56px 0 40px;
}
.footer-brand .logo{color:#fff;}
.footer-brand .logo:hover{color:#fff;}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-text span{color:var(--aqua);}
.footer-brand .logo-mark{background:linear-gradient(135deg,var(--coral),#D84420);}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:#9FC0BA;max-width:260px;}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:.4px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:#CFE3DE;}
.footer-col a:hover{color:var(--coral);}
.footer-bottom{
  position:relative;z-index:1;
  border-top:1px solid rgba(255,255,255,.12);
  padding:20px 0 26px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12.5px;color:#8FAFA9;
}
.footer-bottom .disclaimer{max-width:640px;line-height:1.7;}

/* ---------- mobile tab ---------- */
.mobile-tab{display:none;}
.mobile-tab a{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  font-size:11px;color:var(--faint);padding-top:6px;position:relative;
}
.mobile-tab a svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.mobile-tab a.is-active{color:var(--coral);}
.mobile-tab a.is-active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:24px;height:3px;border-radius:0 0 3px 3px;background:var(--coral);
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .article-hero h1{font-size:38px;}
  .article-layout{grid-template-columns:minmax(0,1fr) 260px;gap:32px;}
}
@media (max-width:991px){
  .main-nav{gap:16px;}
  .main-nav a{font-size:14px;}
  .nav-actions .link-quiet{display:none;}
  .article-layout{grid-template-columns:minmax(0,1fr);}
  .article-side{display:none;}
  .toc-mobile{display:block;}
  .article-body{max-width:none;padding:32px 28px 36px;font-size:16.5px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .nav-wrap{height:56px;gap:12px;}
  .main-nav{display:none;}
  .nav-actions .btn{height:38px;padding:0 16px;font-size:14px;}
  .logo-mark{width:32px;height:32px;border-radius:10px;}
  .logo-text{font-size:16px;}
  body{padding-bottom:calc(56px + env(safe-area-inset-bottom));}
  .mobile-tab{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:70;
    height:calc(56px + env(safe-area-inset-bottom));
    padding-bottom:env(safe-area-inset-bottom);
    background:#fff;border-top:1px solid var(--line);
    box-shadow:0 -4px 16px rgba(15,61,62,.06);
  }
  .article-hero-inner{padding:34px 0 32px;}
  .article-hero h1{font-size:28px;line-height:1.35;}
  .article-lead{font-size:15px;}
  .article-meta{font-size:13px;gap:8px;margin-top:18px;}
  .page-main{padding:28px 0 48px;}
  .article-body{padding:24px 20px 28px;font-size:16px;border-radius:var(--r-md);}
  .article-body h2{font-size:21px;margin-top:34px;}
  .article-body h3{font-size:18px;margin-top:26px;}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .section-head{flex-direction:column;align-items:flex-start;gap:6px;margin:36px 0 18px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:32px 24px;gap:20px;border-radius:var(--r-md);margin-top:48px;}
  .cta-band h2{font-size:22px;}
  .cta-band .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:40px 0 28px;}
  .footer-bottom{flex-direction:column;}
}
@media (max-width:480px){
  .article-hero h1{font-size:25px;}
  .article-body{padding:20px 16px 24px;}
  .card-body{padding:16px;}
  .btn{height:44px;}
  .breadcrumb{font-size:12.5px;padding:12px 0;}
  .post-nav a{flex:1 1 100%;}
}

/* roulang page: category1 */
:root{
  --coral:#F4623A;
  --coral-dark:#d94e29;
  --coral-soft:#FFF1EC;
  --ink:#0F3D3E;
  --mint:#7FD1C1;
  --mint-soft:#DCF2EC;
  --bg:#FAF6F1;
  --band:#F2ECE4;
  --white:#FFFFFF;
  --text:#1B2321;
  --text-2:#5A6462;
  --text-3:#8A9290;
  --line:#E6DED4;
  --ok:#2E9E78;
  --warn:#C2410C;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(15,61,62,.06),0 2px 8px rgba(15,61,62,.04);
  --sh-md:0 8px 24px rgba(15,61,62,.08);
  --sh-lg:0 20px 48px rgba(15,61,62,.12);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input,select,textarea{font-family:inherit;font-size:inherit;}
:focus-visible{outline:2px solid var(--coral);outline-offset:2px;border-radius:4px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.narrow{max-width:820px;margin:0 auto;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--white);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-md);}
.nav-wrap{display:flex;align-items:center;gap:28px;height:68px;}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:34px;height:34px;border-radius:11px;
  background:var(--coral);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 4px 12px rgba(244,98,58,.28);
}
.logo-mark svg{width:24px;height:24px;}
.logo-text{font-weight:800;font-size:18px;letter-spacing:-.3px;color:var(--ink);}
.logo-text span{color:var(--coral);margin-left:2px;}
.main-nav{display:flex;align-items:center;gap:4px;flex:1 1 auto;}
.main-nav a{
  position:relative;
  padding:8px 12px;
  font-size:15px;
  color:var(--text-2);
  border-radius:var(--r-sm);
  transition:color .2s ease,background .2s ease;
  white-space:nowrap;
}
.main-nav a:hover{color:var(--ink);background:var(--band);}
.main-nav a.is-active{color:var(--coral);font-weight:600;}
.main-nav a.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:-2px;height:2px;
  background:var(--coral);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:16px;flex:0 0 auto;}
.link-quiet{font-size:15px;color:var(--text-2);transition:color .2s ease;}
.link-quiet:hover{color:var(--coral);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;
  border-radius:var(--r-pill);
  font-size:15px;font-weight:600;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--coral);color:#fff;box-shadow:var(--sh-sm);}
.btn-primary:hover{background:#ff7550;transform:translateY(-1px);box-shadow:var(--sh-md);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--ink);border:1.5px solid var(--ink);}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-1px);}
.btn-light{background:#fff;color:var(--coral);}
.btn-light:hover{background:var(--coral-soft);transform:translateY(-1px);box-shadow:var(--sh-md);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--coral);font-size:15px;}
.link-arrow span.arr{transition:transform .18s ease;}
.link-arrow:hover span.arr{transform:translateX(3px);}
.link-arrow:hover{text-decoration:underline;text-underline-offset:4px;}

/* ============ 面包屑 ============ */
.crumbs{padding:22px 0 0;font-size:13px;color:var(--text-3);}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumbs li{display:flex;align-items:center;gap:8px;}
.crumbs li::after{content:"/";color:var(--line);}
.crumbs li:last-child::after{content:"";}
.crumbs a{color:var(--text-2);transition:color .2s ease;}
.crumbs a:hover{color:var(--coral);}
.crumbs .current{color:var(--text-3);}

/* ============ 内页首屏 ============ */
.page-hero{
  position:relative;
  overflow:hidden;
  padding:44px 0 72px;
  background:
    radial-gradient(circle at 12% 20%,rgba(127,209,193,.20),transparent 46%),
    radial-gradient(circle at 88% 0%,rgba(244,98,58,.12),transparent 42%),
    var(--bg);
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-1.png);
  background-size:cover;background-position:center;
  opacity:.06;pointer-events:none;
}
.page-hero .hero-grid{
  position:relative;
  display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--mint-soft);color:var(--ink);
  font-size:13px;font-weight:600;letter-spacing:.2px;
  margin-bottom:18px;
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--coral);display:inline-block;}
.page-hero h1{
  font-size:44px;line-height:1.24;font-weight:800;letter-spacing:-.5px;color:var(--ink);
  margin-bottom:18px;
}
.page-hero .lede{font-size:17px;color:var(--text-2);max-width:560px;margin-bottom:26px;}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:20px;}
.hero-note{font-size:13px;color:var(--text-3);}
.hero-figure{position:relative;}
.hero-figure .frame{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-lg);
  background:var(--mint-soft);
}
.hero-figure .frame img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-figure::after{
  content:"";position:absolute;left:-18px;bottom:-18px;width:62%;height:64%;
  border-radius:var(--r-lg);background:rgba(127,209,193,.22);z-index:-1;
}
.hero-figure{z-index:0;}
.float-card{
  position:absolute;right:-6px;bottom:-26px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-md);
  padding:14px 18px;min-width:184px;
}
.float-card .num{font-size:24px;font-weight:800;color:var(--coral);line-height:1.2;font-variant-numeric:tabular-nums;}
.float-card .cap{font-size:12px;color:var(--text-3);}

/* ============ 通用板块 ============ */
.section{padding:80px 0;}
.section.band{background:var(--band);}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.section-head h2{
  font-size:32px;font-weight:700;line-height:1.3;letter-spacing:-.3px;color:var(--ink);
  margin-bottom:12px;
}
.section-head p{font-size:16px;color:var(--text-2);}
.wave{display:block;width:100%;height:34px;color:var(--band);}

/* ============ 权益分组网格 ============ */
.benefit-grid{
  display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;
}
.benefit-card{
  display:flex;gap:18px;align-items:flex-start;
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--sh-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.benefit-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:rgba(244,98,58,.35);}
.benefit-icon{
  flex:0 0 auto;width:52px;height:52px;border-radius:14px;
  background:var(--mint-soft);color:var(--ink);
  display:flex;align-items:center;justify-content:center;
}
.benefit-icon svg{width:26px;height:26px;stroke:var(--ink);fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.benefit-card h3{font-size:19px;font-weight:600;color:var(--ink);margin-bottom:6px;}
.benefit-card p{font-size:15px;color:var(--text-2);line-height:1.8;}
.benefit-card .tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
.tag{
  display:inline-flex;align-items:center;
  padding:3px 10px;border-radius:var(--r-pill);
  background:var(--band);color:var(--text-2);
  font-size:12px;font-weight:500;
}
.tag.coral{background:var(--coral-soft);color:var(--coral-dark);}
.tag.mint{background:var(--mint-soft);color:var(--ink);}

/* ============ 对比表 ============ */
.cmp-wrap{margin-top:8px;}
.cmp-table{
  width:100%;border-collapse:separate;border-spacing:0;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;
  box-shadow:var(--sh-sm);
}
.cmp-table th,.cmp-table td{
  padding:16px 18px;text-align:left;font-size:15px;
  border-bottom:1px solid var(--line);
}
.cmp-table thead th{
  background:var(--ink);color:#fff;font-weight:600;font-size:15px;
  border-bottom:0;
}
.cmp-table thead th:first-child{width:26%;}
.cmp-table thead th.is-reco{background:var(--coral);position:relative;}
.reco-pill{
  display:inline-block;margin-left:8px;padding:2px 9px;border-radius:var(--r-pill);
  background:#fff;color:var(--coral);font-size:11px;font-weight:700;vertical-align:middle;
}
.cmp-table tbody tr:last-child td{border-bottom:0;}
.cmp-table tbody tr:hover td{background:#FFFBF8;}
.cmp-table td.is-reco{background:var(--coral-soft);}
.cmp-table tbody tr:hover td.is-reco{background:#FFE9E2;}
.cmp-table td:first-child{color:var(--ink);font-weight:600;}
.tick{
  display:inline-flex;align-items:center;justify-content:center;
  width:22px;height:22px;border-radius:50%;background:var(--coral);color:#fff;
  margin-right:8px;vertical-align:-5px;
}
.tick svg{width:12px;height:12px;stroke:#fff;stroke-width:2.6;fill:none;stroke-linecap:round;stroke-linejoin:round;}
.dash{display:inline-block;width:14px;height:2px;background:#C9C1B7;border-radius:2px;vertical-align:4px;margin-right:10px;}
.cmp-value{font-size:14px;color:var(--text-2);vertical-align:middle;}

/* 移动端对比卡 */
.cmp-seg{display:none;}
.cmp-mobile{display:none;}

/* ============ 使用步骤 ============ */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.step{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-md);
  padding:26px 24px;box-shadow:var(--sh-sm);position:relative;
  transition:transform .2s ease,box-shadow .2s ease;
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-md);}
.step .no{
  font-size:13px;font-weight:700;color:var(--coral);
  letter-spacing:1px;font-variant-numeric:tabular-nums;margin-bottom:10px;display:block;
}
.step h3{font-size:19px;font-weight:600;color:var(--ink);margin-bottom:8px;}
.step p{font-size:15px;color:var(--text-2);}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:12px;max-width:880px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh-sm);overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.is-open{border-color:rgba(244,98,58,.45);box-shadow:var(--sh-md);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);
  position:relative;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:0 3px 3px 0;
  background:var(--coral);opacity:0;transition:opacity .2s ease;
}
.faq-item.is-open .faq-q::before{opacity:1;}
.faq-icon{
  flex:0 0 auto;width:24px;height:24px;position:relative;border-radius:50%;
  background:var(--band);transition:transform .25s ease,background .25s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--ink);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:11px;height:1.8px;}
.faq-icon::after{width:1.8px;height:11px;transition:opacity .2s ease;}
.faq-item.is-open .faq-icon{transform:rotate(90deg);background:var(--coral-soft);}
.faq-item.is-open .faq-icon::before{background:var(--coral);}
.faq-item.is-open .faq-icon::after{opacity:0;}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .3s ease,padding .3s ease;
  padding:0 22px;
}
.faq-item.is-open .faq-a{padding:0 22px 20px;}
.faq-a p{font-size:15px;color:var(--text-2);line-height:1.85;}

/* ============ CTA 条 ============ */
.cta-strip{
  background:var(--white);
  border:1px solid var(--line);
  border-left:6px solid var(--coral);
  border-radius:var(--r-md);
  padding:28px 32px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  box-shadow:var(--sh-sm);
}
.cta-strip h3{font-size:21px;font-weight:700;color:var(--ink);margin-bottom:4px;}
.cta-strip p{font-size:15px;color:var(--text-2);}
.cta-strip .cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex:0 0 auto;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#CFE3DE;margin-top:80px;position:relative;overflow:hidden;}
.site-footer::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.10) 1px,transparent 1px);
  background-size:22px 22px;opacity:.4;pointer-events:none;
}
.site-footer .container{position:relative;}
.footer-grid{
  display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;
  padding:64px 0 44px;
}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-text span{color:var(--mint);}
.footer-brand p{margin-top:16px;font-size:14px;color:#A9C6C0;max-width:280px;line-height:1.8;}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px;}
.footer-col ul{display:grid;gap:10px;}
.footer-col a{font-size:14px;color:#CFE3DE;transition:color .2s ease;}
.footer-col a:hover{color:var(--coral);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:22px 0 28px;
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  font-size:12px;color:#8FB0AA;
}
.footer-bottom .disclaimer{max-width:640px;line-height:1.7;}

/* ============ 移动端底部 Tab ============ */
.tabbar{display:none;}
.tabbar-inner{
  display:grid;grid-template-columns:repeat(5,1fr);
  background:#fff;border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
  box-shadow:0 -6px 20px rgba(15,61,62,.08);
}
.tab-item{
  position:relative;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  height:56px;font-size:11px;color:var(--text-3);
  transition:color .2s ease;
}
.tab-item svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.tab-item.is-active{color:var(--coral);}
.tab-item.is-active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:22px;height:3px;border-radius:0 0 3px 3px;background:var(--coral);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .page-hero h1{font-size:38px;}
  .nav-wrap{gap:18px;}
  .main-nav a{padding:8px 10px;font-size:14px;}
}
@media (max-width:991px){
  .nav-wrap{height:64px;gap:14px;}
  .main-nav{display:none;}
  .nav-actions .link-quiet{display:none;}
  .page-hero{padding:34px 0 60px;}
  .page-hero .hero-grid{grid-template-columns:1fr;gap:36px;}
  .page-hero h1{font-size:34px;}
  .page-hero .lede{max-width:none;}
  .float-card{right:12px;bottom:12px;}
  .hero-figure::after{display:none;}
  .section{padding:64px 0;}
  .section-head h2{font-size:27px;}
  .benefit-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;padding:52px 0 36px;}
  .cta-strip{flex-direction:column;align-items:flex-start;}
}
@media (max-width:767px){
  body{padding-bottom:76px;font-size:15.5px;}
  .container{padding:0 20px;}
  .page-hero h1{font-size:30px;line-height:1.3;}
  .hero-btns .btn{flex:1 1 100%;}
  .section{padding:48px 0;}
  .section-head h2{font-size:22px;}
  .section-head{margin-bottom:28px;}
  .benefit-card{padding:20px;gap:14px;}
  .cmp-table{display:none;}
  .cmp-seg{
    display:flex;gap:8px;padding:6px;background:var(--band);border-radius:var(--r-pill);
    margin-bottom:18px;
  }
  .cmp-seg button{
    flex:1 1 0;height:38px;border-radius:var(--r-pill);
    font-size:14px;font-weight:600;color:var(--text-2);
    transition:background .2s ease,color .2s ease,box-shadow .2s ease;
  }
  .cmp-seg button.is-active{background:#fff;color:var(--coral);box-shadow:var(--sh-sm);}
  .cmp-mobile{display:block;}
  .tier-panel{display:none;}
  .tier-panel.is-active{
    display:block;background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
    padding:20px;box-shadow:var(--sh-sm);
  }
  .tier-panel h4{font-size:17px;color:var(--ink);margin-bottom:4px;}
  .tier-panel .tier-note{font-size:13px;color:var(--text-3);margin-bottom:14px;}
  .tier-panel ul{display:grid;gap:10px;}
  .tier-panel li{
    display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:var(--text-2);
    border-bottom:1px dashed var(--line);padding-bottom:10px;
  }
  .tier-panel li:last-child{border-bottom:0;padding-bottom:0;}
  .tier-panel li strong{color:var(--ink);font-weight:600;flex:0 0 108px;}
  .faq-q{font-size:15px;padding:16px 16px;}
  .faq-a{padding:0 16px;}
  .faq-item.is-open .faq-a{padding:0 16px 16px;}
  .cta-strip{padding:22px;border-left-width:5px;}
  .cta-strip .cta-actions{width:100%;}
  .cta-strip .cta-actions .btn{flex:1 1 100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .tabbar{
    display:block;position:fixed;left:0;right:0;bottom:0;z-index:70;
  }
  .site-footer{margin-top:48px;}
  .crumbs{font-size:12px;padding-top:16px;}
}
@media (max-width:480px){
  .page-hero h1{font-size:27px;}
  .btn{height:46px;padding:0 18px;}
  .benefit-card{padding:16px;}
  .logo-text{font-size:16px;}
  .logo-mark{width:30px;height:30px;border-radius:9px;}
  .footer-bottom{font-size:11.5px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
}

/* roulang page: category2 */
:root{
  --coral:#F4623A;
  --coral-soft:#FFF1EC;
  --ink:#0F3D3E;
  --mint:#7FD1C1;
  --mint-light:#DCF2EC;
  --bg:#FAF6F1;
  --band:#F2ECE4;
  --white:#FFFFFF;
  --text:#1B2321;
  --text-2:#5A6462;
  --text-3:#8A9290;
  --line:#E6DED4;
  --success:#2E9E78;
  --warn:#C2410C;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --shadow-sm:0 1px 2px rgba(15,61,62,.06),0 2px 8px rgba(15,61,62,.04);
  --shadow-md:0 8px 24px rgba(15,61,62,.08);
  --shadow-lg:0 20px 48px rgba(15,61,62,.12);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Hiragino Sans GB",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4,p,ul,ol,figure{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--coral);outline-offset:2px;border-radius:4px}

.container{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section.band{background:var(--band)}
.section-head{max-width:720px;margin-bottom:40px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.4px;
  color:var(--ink);background:var(--mint-light);
  border-radius:var(--r-pill);padding:6px 14px;margin-bottom:16px;
}
.eyebrow .dot{width:6px;height:6px;border-radius:50%;background:var(--coral)}
h1{font-size:44px;line-height:1.24;font-weight:800;letter-spacing:-.5px;color:var(--ink)}
h2{font-size:32px;line-height:1.32;font-weight:700;letter-spacing:-.3px;color:var(--ink)}
h3{font-size:20px;line-height:1.5;font-weight:600;color:var(--ink)}
.lead{font-size:17px;color:var(--text-2);margin-top:18px}
.muted{color:var(--text-3);font-size:14px}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--white);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-md)}
.nav-wrap{display:flex;align-items:center;gap:32px;height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:none}
.logo-mark{
  width:38px;height:38px;border-radius:12px;background:var(--coral);
  display:grid;place-items:center;box-shadow:0 6px 14px rgba(244,98,58,.28);
}
.logo-mark svg{width:24px;height:24px}
.logo-text{font-size:18px;font-weight:800;letter-spacing:-.3px;color:var(--ink)}
.logo-text span{color:var(--coral);margin-left:2px}
.main-nav{display:flex;align-items:center;gap:26px}
.main-nav a{
  position:relative;font-size:15px;color:var(--text-2);
  padding:6px 0;transition:color .2s ease;
}
.main-nav a:hover{color:var(--ink)}
.main-nav a.is-active{color:var(--ink);font-weight:600}
.main-nav a.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-6px;height:2px;
  background:var(--coral);border-radius:2px;
}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:16px}
.link-quiet{font-size:15px;color:var(--text-2)}
.link-quiet:hover{color:var(--coral)}
.nav-toggle{
  display:none;margin-left:auto;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:var(--white);
  align-items:center;justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);position:relative}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--ink);
}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1.5px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--coral);color:#fff;box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:#F87A55;transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-primary:active{transform:translateY(0);background:#E2542F}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-1px)}
.btn-light{background:#fff;color:var(--coral);box-shadow:var(--shadow-sm)}
.btn-light:hover{transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-sm{height:38px;padding:0 18px;font-size:14px}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:64px 0 72px;
  background-image:linear-gradient(180deg,rgba(250,246,241,.94),rgba(253,251,248,.98)),url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.page-hero::after{
  content:"";position:absolute;inset:auto -60px -80px auto;width:360px;height:360px;
  background-image:radial-gradient(rgba(244,98,58,.55) 1.4px,transparent 1.6px);
  background-size:16px 16px;opacity:.16;pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;position:relative;z-index:2}
.hero-copy .lead{max-width:520px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-note{display:flex;align-items:center;gap:8px;margin-top:20px;font-size:13px;color:var(--text-3)}
.hero-note svg{width:16px;height:16px;color:var(--success);flex:none}
.hero-visual{position:relative}
.hero-visual .frame{
  position:relative;border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--shadow-lg);background:var(--mint-light);aspect-ratio:4/3;
}
.hero-visual .frame img{width:100%;height:100%;object-fit:cover}
.hero-visual::before{
  content:"";position:absolute;inset:22px -18px -18px 22px;
  background:var(--mint);opacity:.28;border-radius:var(--r-lg);z-index:-1;
}
.float-card{
  position:absolute;right:-12px;bottom:-18px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:14px 18px;box-shadow:var(--shadow-md);min-width:170px;
}
.float-card strong{display:block;font-size:22px;font-weight:800;color:var(--ink);font-variant-numeric:tabular-nums}
.float-card span{font-size:12px;color:var(--text-3)}

/* ---------- 指标条 ---------- */
.metrics{padding:0 0 8px}
.metrics-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:20px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px 24px;box-shadow:var(--shadow-sm);margin-top:-42px;position:relative;z-index:5;
}
.metric{text-align:center;border-right:1px solid var(--line)}
.metric:last-child{border-right:0}
.metric b{display:block;font-size:30px;font-weight:800;color:var(--ink);line-height:1.2;font-variant-numeric:tabular-nums}
.metric b em{font-style:normal;font-size:16px;color:var(--coral);margin-left:2px}
.metric span{font-size:13px;color:var(--text-3)}

/* ---------- 等级时间轴 ---------- */
.timeline{position:relative;display:grid;gap:22px}
.timeline::before{
  content:"";position:absolute;left:19px;top:16px;bottom:16px;width:2px;
  background:linear-gradient(180deg,var(--mint),var(--coral));opacity:.5;border-radius:2px;
}
.level-item{position:relative;padding-left:66px}
.level-node{
  position:absolute;left:0;top:22px;width:40px;height:40px;border-radius:50%;
  background:#fff;border:2px solid var(--line);display:grid;place-items:center;
  font-size:13px;font-weight:800;color:var(--text-2);z-index:2;
  font-variant-numeric:tabular-nums;
}
.level-item.is-current .level-node{background:var(--coral);border-color:var(--coral);color:#fff;box-shadow:0 8px 18px rgba(244,98,58,.32)}
.level-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;display:grid;grid-template-columns:1fr 200px;gap:24px;align-items:center;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.level-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(244,98,58,.35)}
.level-item.is-current .level-card{border-color:rgba(244,98,58,.45);background:linear-gradient(180deg,#FFFDFB,#FFF7F3)}
.level-top{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:8px}
.level-top h3{font-size:20px}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;background:var(--mint-light);color:var(--ink);
}
.tag.coral{background:var(--coral-soft);color:var(--coral)}
.level-desc{font-size:15px;color:var(--text-2);margin-bottom:14px}
.level-points{display:grid;gap:8px}
.level-points li{display:flex;gap:10px;font-size:15px;color:var(--text);line-height:1.7}
.level-points li::before{
  content:"";flex:none;width:18px;height:18px;margin-top:5px;border-radius:50%;
  background:var(--coral-soft);
  background-image:linear-gradient(45deg,transparent 44%,var(--coral) 44%,var(--coral) 56%,transparent 56%),
                   linear-gradient(-45deg,transparent 44%,var(--coral) 44%,var(--coral) 56%,transparent 56%);
  background-size:9px 9px;background-position:center;background-repeat:no-repeat;
}
.level-side{display:flex;flex-direction:column;gap:10px;align-items:flex-start}
.level-side .bar{width:100%;height:6px;border-radius:3px;background:var(--band);overflow:hidden}
.level-side .bar i{display:block;height:100%;background:var(--coral);border-radius:3px}
.level-side small{font-size:12px;color:var(--text-3)}

/* ---------- 升级路径 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.step-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:28px 24px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(244,98,58,.35)}
.step-num{
  width:38px;height:38px;border-radius:12px;background:var(--ink);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:15px;margin-bottom:16px;
  font-variant-numeric:tabular-nums;
}
.step-card h3{margin-bottom:8px}
.step-card p{font-size:15px;color:var(--text-2)}

/* ---------- 说明双栏 ---------- */
.note-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.note-figure{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow-md);aspect-ratio:16/10;background:var(--mint-light)}
.note-figure img{width:100%;height:100%;object-fit:cover}
.note-list{display:grid;gap:18px;margin-top:24px}
.note-list li{
  display:grid;gap:4px;padding-left:18px;position:relative;
}
.note-list li::before{
  content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--mint);
}
.note-list b{font-size:16px;color:var(--ink)}
.note-list span{font-size:15px;color:var(--text-2)}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:860px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.is-open{border-color:rgba(244,98,58,.4);box-shadow:var(--shadow-sm)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:0;text-align:left;
  padding:18px 22px;font-size:16px;font-weight:600;color:var(--ink);
  position:relative;
}
.faq-item.is-open .faq-q::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;background:var(--coral);border-radius:0 3px 3px 0;
}
.faq-icon{
  flex:none;width:24px;height:24px;border-radius:50%;background:var(--band);
  position:relative;transition:transform .25s ease,background .25s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--ink);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:11px;height:2px}
.faq-icon::after{width:2px;height:11px;transition:opacity .2s ease}
.faq-item.is-open .faq-icon{transform:rotate(135deg);background:var(--coral-soft)}
.faq-item.is-open .faq-icon::before,.faq-item.is-open .faq-icon::after{background:var(--coral)}
.faq-a{
  max-height:0;overflow:hidden;transition:max-height .3s ease;
}
.faq-a p{padding:0 22px 0;font-size:15px;color:var(--text-2);line-height:1.9}
.faq-item.is-open .faq-a{max-height:340px}
.faq-item.is-open .faq-a p{padding-bottom:20px}

/* ---------- 轻量 CTA 条 ---------- */
.cta-strip{
  background:linear-gradient(120deg,var(--mint-light),#F4FBF8 70%);
  border:1px solid rgba(127,209,193,.55);
  border-radius:var(--r-lg);
  padding:34px 36px;
  display:flex;align-items:center;justify-content:space-between;gap:28px;
}
.cta-strip h2{font-size:24px}
.cta-strip p{color:var(--text-2);font-size:15px;margin-top:6px}
.cta-strip .actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#CFE3DE;padding:64px 0 28px;margin-top:64px;position:relative;overflow:hidden}
.site-footer::before{
  content:"";position:absolute;top:-40px;right:-40px;width:280px;height:280px;
  background-image:radial-gradient(rgba(255,255,255,.5) 1.3px,transparent 1.5px);
  background-size:18px 18px;opacity:.07;
}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;position:relative;z-index:2}
.footer-brand p{font-size:14px;color:#A7C6C1;margin-top:16px;max-width:320px}
.footer-brand .logo-text{color:#fff}
.footer-brand .logo-text span{color:var(--mint)}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:14px;letter-spacing:.4px}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:#CFE3DE}
.footer-col a:hover{color:var(--coral)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:12px 24px;justify-content:space-between;align-items:flex-start;
  font-size:12px;color:#8FAFAB;position:relative;z-index:2;
}
.footer-bottom .disclaimer{max-width:640px;line-height:1.8}

/* ---------- 移动端底部 Tab ---------- */
.mobile-tab{display:none}

@media (max-width:1199px){
  h1{font-size:38px}
  h2{font-size:28px}
  .hero-grid{gap:40px}
}
@media (max-width:991px){
  .nav-wrap{height:64px;gap:20px}
  .main-nav,.nav-actions{display:none}
  .nav-toggle{display:flex}
  .main-nav.is-open{
    display:flex;flex-direction:column;align-items:flex-start;gap:0;
    position:absolute;left:0;right:0;top:100%;
    background:#fff;border-bottom:1px solid var(--line);
    padding:8px 24px 20px;box-shadow:var(--shadow-md);
  }
  .main-nav.is-open a{width:100%;padding:12px 0;border-bottom:1px solid var(--line);font-size:15px}
  .main-nav.is-open a.is-active::after{display:none}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-visual{order:2}
  .hero-visual::before{inset:16px -12px -12px 16px}
  .level-card{grid-template-columns:1fr}
  .level-side{flex-direction:row;align-items:center;gap:16px}
  .level-side .bar{flex:1}
  .steps{grid-template-columns:1fr}
  .note-grid{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1/-1}
  .cta-strip{flex-direction:column;align-items:flex-start}
}
@media (max-width:767px){
  body{padding-bottom:76px}
  .container{padding:0 20px}
  .section{padding:48px 0}
  h1{font-size:30px;letter-spacing:-.3px}
  h2{font-size:22px}
  h3{font-size:18px}
  .lead{font-size:16px}
  .page-hero{padding:40px 0 48px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .metrics-grid{grid-template-columns:1fr 1fr;gap:18px;padding:22px 18px;margin-top:-32px}
  .metric{border-right:0}
  .metric:nth-child(odd){border-right:1px solid var(--line)}
  .metric b{font-size:26px}
  .timeline::before{left:15px}
  .level-item{padding-left:48px}
  .level-node{width:32px;height:32px;font-size:12px;top:20px}
  .level-card{padding:20px}
  .faq-q{padding:16px 18px;font-size:15px}
  .faq-a p{padding-left:18px;padding-right:18px}
  .cta-strip{padding:26px 22px}
  .cta-strip .actions{width:100%;flex-direction:column}
  .cta-strip .btn{width:100%}
  .site-footer{margin-top:48px;padding-top:48px}

  .mobile-tab{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:70;
    background:rgba(255,255,255,.98);border-top:1px solid var(--line);
    padding-bottom:env(safe-area-inset-bottom);
    box-shadow:0 -6px 20px rgba(15,61,62,.06);
  }
  .mobile-tab a{
    flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
    height:56px;font-size:11px;color:var(--text-3);position:relative;
  }
  .mobile-tab a svg{width:21px;height:21px}
  .mobile-tab a.is-active{color:var(--coral)}
  .mobile-tab a.is-active::before{
    content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
    width:22px;height:3px;border-radius:0 0 3px 3px;background:var(--coral);
  }
}
@media (max-width:480px){
  .btn{width:100%;padding:0 18px}
  .level-card{padding:16px}
  .step-card{padding:22px 18px}
  .footer-grid{grid-template-columns:1fr}
  .float-card{right:0;bottom:-14px;padding:12px 14px;min-width:150px}
}

/* roulang page: category3 */
/* ============ 1. 设计变量 ============ */
:root{
  --coral:#F4623A;
  --coral-soft:#FFF1EC;
  --coral-hover:#FF7A55;
  --ink:#0F3D3E;
  --ink-2:#14504F;
  --aqua:#7FD1C1;
  --mint:#DCF2EC;
  --bg:#FAF6F1;
  --white:#FFFFFF;
  --band:#F2ECE4;
  --text:#1B2321;
  --text-2:#5A6462;
  --text-3:#8A9290;
  --line:#E6DED4;
  --ok:#2E9E78;
  --warn:#C2410C;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(15,61,62,.06),0 2px 8px rgba(15,61,62,.04);
  --sh-md:0 8px 24px rgba(15,61,62,.08);
  --sh-lg:0 20px 48px rgba(15,61,62,.12);
  --wrap:1200px;
  --gap:24px;
  --ease:all .22s ease;
}

/* ============ 2. Reset / Base ============ */
*,*::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:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:var(--ease);}
button{font-family:inherit;border:0;background:none;cursor:pointer;color:inherit;}
input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--coral);outline-offset:2px;border-radius:4px;}
::selection{background:var(--mint);color:var(--ink);}

/* ============ 3. 布局层 ============ */
.container{
  width:100%;
  max-width:var(--wrap);
  margin:0 auto;
  padding:0 24px;
}
.section{padding:80px 0;}
.section--band{background:var(--band);}
.section--tight{padding:56px 0;}
.section-head{max-width:720px;margin-bottom:40px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.06em;
  color:var(--coral);text-transform:uppercase;
  background:var(--coral-soft);
  padding:6px 14px;border-radius:var(--r-pill);
  margin-bottom:16px;
}
.section-head h2{
  font-size:32px;line-height:1.35;font-weight:700;letter-spacing:-.3px;
  color:var(--ink);
}
.section-head p{margin-top:14px;color:var(--text-2);font-size:16px;}
.wave-divider{display:block;width:100%;height:26px;color:var(--line);opacity:.9;}

/* ============ 4. 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--white);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-md);}
.nav-wrap{
  display:flex;align-items:center;gap:28px;
  height:68px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.logo-mark{
  width:38px;height:38px;border-radius:12px;
  background:linear-gradient(140deg,var(--coral),#E24E28);
  display:grid;place-items:center;
  box-shadow:0 4px 12px rgba(244,98,58,.28);
}
.logo-mark svg{width:24px;height:24px;}
.logo-text{
  font-size:18px;font-weight:800;letter-spacing:-.2px;color:var(--ink);
  display:inline-flex;align-items:baseline;gap:2px;
}
.logo-text span{font-weight:700;color:var(--ink);}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:8px;}
.main-nav a{
  position:relative;
  padding:10px 12px;
  font-size:15px;font-weight:500;color:var(--text-2);
  border-radius:var(--r-sm);
}
.main-nav a:hover{color:var(--ink);background:var(--band);}
.main-nav a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;
  background:var(--coral);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .22s ease;
}
.main-nav a:hover::after,.main-nav a.is-active::after{transform:scaleX(1);}
.main-nav a.is-active{color:var(--ink);font-weight:600;}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:14px;}
.link-quiet{font-size:14px;color:var(--text-2);}
.link-quiet:hover{color:var(--coral);}

/* ============ 5. 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;
  border-radius:var(--r-pill);
  font-size:15px;font-weight:600;
  transition:var(--ease);
  white-space:nowrap;
}
.btn-sm{height:44px;padding:0 20px;font-size:14px;}
.btn-primary{
  background:var(--coral);color:#fff;
  box-shadow:var(--sh-sm);
}
.btn-primary:hover{background:var(--coral-hover);transform:translateY(-1px);box-shadow:var(--sh-md);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--sh-sm);}
.btn-ghost{
  background:transparent;color:var(--ink);
  border:1.5px solid var(--ink);
}
.btn-ghost:hover{background:var(--ink);color:#fff;}
.btn-light{
  background:#fff;color:var(--coral);font-weight:700;
  box-shadow:var(--sh-sm);
}
.btn-light:hover{transform:translateY(-1px);box-shadow:var(--sh-md);background:#FFFDFB;}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;
  font-size:15px;font-weight:600;color:var(--coral);
}
.btn-text .arrow{transition:transform .22s ease;}
.btn-text:hover .arrow{transform:translateX(3px);}
.btn-text:hover{text-decoration:underline;text-underline-offset:4px;}

/* ============ 6. 页面首屏 ============ */
.page-hero{
  position:relative;
  padding:64px 0 72px;
  background:var(--bg);
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(15,61,62,.06) 1.5px,transparent 1.5px);
  background-size:22px 22px;
  opacity:.7;
  pointer-events:none;
}
.hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  align-items:center;
}
.breadcrumb{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);
  margin-bottom:20px;
}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--coral);}
.breadcrumb .sep{color:var(--line);}
.breadcrumb .current{color:var(--text-3);}
.page-hero h1{
  font-size:44px;line-height:1.25;font-weight:800;letter-spacing:-.5px;
  color:var(--ink);
  margin-bottom:18px;
}
.page-hero h1 em{font-style:normal;color:var(--coral);}
.hero-sub{
  font-size:17px;line-height:1.85;color:var(--text-2);
  max-width:560px;
}
.hero-actions{display:flex;gap:14px;margin-top:30px;flex-wrap:wrap;}
.hero-note{
  margin-top:20px;font-size:13px;color:var(--text-3);
  display:flex;align-items:center;gap:8px;
}
.hero-note .dot{width:6px;height:6px;border-radius:50%;background:var(--aqua);}
.hero-media{
  position:relative;
}
.hero-media::before{
  content:"";position:absolute;inset:22px -18px -18px 22px;
  background:var(--mint);border-radius:var(--r-lg);
  z-index:0;
}
.hero-media img{
  position:relative;z-index:1;
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-lg);
  background:var(--band);
  box-shadow:var(--sh-md);
}
.hero-stat{
  position:absolute;right:-10px;bottom:-18px;z-index:2;
  background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:14px 18px;
  box-shadow:var(--sh-md);
  min-width:168px;
}
.hero-stat strong{
  display:block;font-size:24px;font-weight:800;color:var(--ink);
  font-variant-numeric:tabular-nums;line-height:1.3;
}
.hero-stat span{font-size:12px;color:var(--text-3);}

/* ============ 7. 指标条 ============ */
.metrics{background:var(--white);border-bottom:1px solid var(--line);}
.metrics-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  gap:var(--gap);
  padding:36px 0;
}
.metric{text-align:center;position:relative;}
.metric + .metric::before{
  content:"";position:absolute;left:-12px;top:12%;height:76%;width:1px;background:var(--line);
}
.metric strong{
  display:block;font-size:30px;font-weight:800;color:var(--ink);
  letter-spacing:-.5px;font-variant-numeric:tabular-nums;
}
.metric span{font-size:13px;color:var(--text-3);}

/* ============ 8. 筛选胶囊 ============ */
.filter-bar{
  display:flex;align-items:center;gap:10px;
  flex-wrap:wrap;
  padding:8px 0 6px;
  margin-bottom:32px;
}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  height:38px;padding:0 18px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  background:var(--white);
  font-size:14px;font-weight:500;color:var(--text-2);
  transition:var(--ease);
}
.chip:hover{border-color:rgba(244,98,58,.45);color:var(--coral);}
.chip.is-on{
  background:var(--ink);border-color:var(--ink);color:#fff;font-weight:600;
}
.chip .count{
  font-size:12px;color:var(--text-3);font-variant-numeric:tabular-nums;
}
.chip.is-on .count{color:rgba(255,255,255,.7);}

/* ============ 9. 内容网格卡 ============ */
.zone-grid{
  display:grid;grid-template-columns:repeat(3,1fr);
  gap:var(--gap);
}
.zone-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:var(--ease);
}
.zone-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-md);
  border-color:rgba(244,98,58,.35);
}
.cover{
  position:relative;
  aspect-ratio:16/9;
  background:var(--band);
  overflow:hidden;
}
.cover img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .4s ease, filter .3s ease;
}
.zone-card:hover .cover img{transform:scale(1.04);}
.tag{
  position:absolute;top:12px;left:12px;
  display:inline-flex;align-items:center;
  height:26px;padding:0 12px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.94);
  color:var(--ink);
  font-size:12px;font-weight:600;
  backdrop-filter:blur(2px);
}
.lock{
  position:absolute;right:12px;bottom:12px;
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;
  border-radius:var(--r-pill);
  background:rgba(15,61,62,.88);
  color:#fff;font-size:12px;font-weight:600;
}
.lock svg{width:12px;height:12px;}
.zone-body{
  padding:20px 22px 22px;
  display:flex;flex-direction:column;gap:10px;flex:1;
}
.zone-body h3{
  font-size:19px;line-height:1.5;font-weight:700;color:var(--ink);
  letter-spacing:-.2px;
}
.zone-card:hover .zone-body h3{color:var(--coral);}
.zone-body p{
  font-size:14px;color:var(--text-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;
  overflow:hidden;
}
.zone-meta{
  margin-top:auto;padding-top:12px;
  border-top:1px dashed var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:12px;color:var(--text-3);
  font-variant-numeric:tabular-nums;
}
.zone-meta .read{color:var(--coral);font-weight:600;}

/* ============ 10. 栏目说明 ============ */
.feature-grid{
  display:grid;grid-template-columns:repeat(2,1fr);
  gap:var(--gap);
}
.feature-card{
  display:flex;gap:18px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:24px;
  transition:var(--ease);
}
.feature-card:hover{border-color:rgba(244,98,58,.35);box-shadow:var(--sh-sm);}
.feature-icon{
  flex:0 0 48px;width:48px;height:48px;border-radius:var(--r-md);
  background:var(--mint);
  display:grid;place-items:center;
  color:var(--ink);
}
.feature-icon svg{width:24px;height:24px;}
.feature-card h3{font-size:18px;font-weight:700;color:var(--ink);margin-bottom:6px;}
.feature-card p{font-size:14px;color:var(--text-2);line-height:1.8;}

/* ============ 11. 专题推荐（深色块） ============ */
.deep{
  background:var(--ink);
  color:#fff;
  position:relative;
  overflow:hidden;
}
.deep::after{
  content:"";position:absolute;right:-60px;top:-60px;width:320px;height:320px;
  background-image:radial-gradient(rgba(127,209,193,.22) 2px,transparent 2px);
  background-size:20px 20px;
  pointer-events:none;
}
.deep .container{position:relative;z-index:1;}
.deep .section-head h2{color:#fff;}
.deep .section-head p{color:rgba(255,255,255,.72);}
.deep .eyebrow{background:rgba(127,209,193,.16);color:var(--aqua);}
.topic-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);
}
.topic-card{
  border-radius:var(--r-md);
  overflow:hidden;
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.12);
  transition:var(--ease);
}
.topic-card:hover{
  transform:translateY(-4px);
  border-color:rgba(127,209,193,.5);
  background:rgba(255,255,255,.08);
}
.topic-card .cover{aspect-ratio:16/9;}
.topic-card .cover img{opacity:.92;}
.topic-body{padding:20px 22px 24px;}
.topic-body h3{font-size:18px;font-weight:700;margin-bottom:8px;color:#fff;}
.topic-body p{font-size:14px;color:rgba(255,255,255,.7);line-height:1.8;}
.topic-body .btn-text{color:var(--aqua);margin-top:14px;font-size:14px;}

/* ============ 12. 可读范围 ============ */
.scope-list{
  display:grid;grid-template-columns:repeat(2,1fr);gap:16px;
}
.scope-item{
  display:flex;align-items:flex-start;gap:14px;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:20px 22px;
}
.scope-mark{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  background:var(--coral);
  color:#fff;display:grid;place-items:center;
  font-size:13px;font-weight:700;
  margin-top:2px;
}
.scope-item.is-muted .scope-mark{background:var(--text-3);}
.scope-item h3{font-size:16px;font-weight:700;color:var(--ink);margin-bottom:4px;}
.scope-item p{font-size:14px;color:var(--text-2);line-height:1.8;}

/* ============ 13. 流程 ============ */
.steps{
  display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);
  counter-reset:step;
}
.step{
  position:relative;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:28px 24px 24px;
}
.step::before{
  counter-increment:step;content:"0" counter(step);
  display:block;
  font-size:14px;font-weight:800;color:var(--coral);
  letter-spacing:.08em;margin-bottom:10px;
  font-variant-numeric:tabular-nums;
}
.step h3{font-size:18px;font-weight:700;color:var(--ink);margin-bottom:8px;}
.step p{font-size:14px;color:var(--text-2);line-height:1.8;}

/* ============ 14. FAQ ============ */
.faq-wrap{max-width:900px;}
.faq-item{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  margin-bottom:12px;
  overflow:hidden;
  transition:var(--ease);
}
.faq-item[open]{
  border-color:rgba(244,98,58,.45);
  box-shadow:var(--sh-sm);
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  display:flex;align-items:center;gap:16px;
  padding:18px 22px;
  font-size:16px;font-weight:600;color:var(--ink);
  position:relative;
  transition:var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  background:var(--coral);border-radius:2px;
  transform:scaleY(0);transform-origin:top;transition:transform .22s ease;
}
.faq-item[open] summary::before{transform:scaleY(1);}
.faq-item summary:hover{color:var(--coral);}
.faq-item summary .plus{
  margin-left:auto;flex:0 0 auto;
  width:22px;height:22px;position:relative;
}
.faq-item summary .plus::before,
.faq-item summary .plus::after{
  content:"";position:absolute;background:var(--coral);border-radius:2px;
  transition:transform .25s ease,opacity .25s ease;
}
.faq-item summary .plus::before{left:0;top:10px;width:22px;height:2px;}
.faq-item summary .plus::after{left:10px;top:0;width:2px;height:22px;}
.faq-item[open] summary .plus::after{transform:rotate(90deg);opacity:0;}
.faq-answer{
  padding:0 22px 20px;
  font-size:15px;color:var(--text-2);line-height:1.9;
  border-top:1px dashed var(--line);
  padding-top:16px;
  margin:0 22px 20px;
}
.faq-item[open] .faq-answer{animation:fadeIn .24s ease;}
@keyframes fadeIn{from{opacity:0;transform:translateY(-4px);}to{opacity:1;transform:none;}}

/* ============ 15. 轻量 CTA 条 ============ */
.cta-strip{
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  background:var(--white);
  border:1px solid var(--line);
  border-left:4px solid var(--coral);
  border-radius:var(--r-md);
  padding:28px 32px;
  flex-wrap:wrap;
}
.cta-strip h2{
  font-size:22px;font-weight:700;color:var(--ink);letter-spacing:-.2px;
  margin-bottom:6px;
}
.cta-strip p{font-size:14px;color:var(--text-2);}

/* ============ 16. 页脚 ============ */
.site-footer{
  background:var(--ink);
  color:#fff;
  padding:64px 0 32px;
  position:relative;
  overflow:hidden;
}
.site-footer::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(127,209,193,.12) 1.5px,transparent 1.5px);
  background-size:24px 24px;
  opacity:.55;pointer-events:none;
}
.site-footer .container{position:relative;z-index:1;}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:40px;
}
.footer-brand p{
  margin-top:16px;font-size:14px;color:rgba(255,255,255,.68);
  line-height:1.8;max-width:280px;
}
.footer-brand .logo-text,.footer-brand .logo-text span{color:#fff;}
.footer-brand .logo-mark{box-shadow:none;}
.footer-col h4{
  font-size:15px;font-weight:700;margin-bottom:16px;color:#fff;
}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:#CFE3DE;}
.footer-col a:hover{color:var(--coral);}
.footer-bottom{
  display:flex;align-items:flex-start;justify-content:space-between;gap:24px;
  padding-top:24px;
  border-top:1px solid rgba(255,255,255,.12);
  font-size:12px;color:rgba(255,255,255,.55);
  flex-wrap:wrap;
}
.footer-bottom .disclaimer{max-width:640px;line-height:1.7;}

/* ============ 17. 移动端底部 Tab ============ */
.mobile-tabs{
  display:none;
  position:fixed;left:0;right:0;bottom:0;z-index:80;
  background:rgba(255,255,255,.97);
  backdrop-filter:blur(10px);
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
  box-shadow:0 -4px 18px rgba(15,61,62,.06);
}
.mobile-tabs .tab{
  flex:1;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;
  height:56px;
  font-size:11px;color:var(--text-3);
  position:relative;
}
.mobile-tabs .tab svg{width:20px;height:20px;}
.mobile-tabs .tab.is-active{color:var(--coral);font-weight:600;}
.mobile-tabs .tab.is-active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:22px;height:3px;border-radius:0 0 3px 3px;background:var(--coral);
}

/* ============ 18. 响应式 ============ */
@media (max-width:1199px){
  .page-hero h1{font-size:38px;}
  .section-head h2{font-size:28px;}
  .hero-grid{gap:40px;}
}
@media (max-width:1023px){
  .main-nav{gap:0;margin-left:0;}
  .main-nav a{padding:10px 9px;font-size:14px;}
  .nav-actions .link-quiet{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-media::before{inset:16px -12px -12px 16px;}
  .hero-media img{aspect-ratio:16/9;}
  .zone-grid{grid-template-columns:repeat(2,1fr);}
  .topic-grid{grid-template-columns:repeat(2,1fr);}
  .steps{grid-template-columns:1fr;gap:16px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1 / -1;}
  .footer-brand p{max-width:none;}
  .scope-list{grid-template-columns:1fr;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .section{padding:48px 0;}
  .section--tight{padding:40px 0;}
  .nav-wrap{height:56px;gap:12px;}
  .main-nav,.nav-actions{display:none;}
  .logo-mark{width:34px;height:34px;border-radius:11px;}
  .logo-text{font-size:16px;}
  .page-hero{padding:36px 0 48px;}
  .page-hero h1{font-size:30px;line-height:1.35;}
  .hero-sub{font-size:16px;}
  .hero-actions{margin-top:24px;}
  .hero-actions .btn{width:100%;}
  .hero-stat{position:static;margin-top:16px;right:auto;bottom:auto;display:inline-block;}
  .metrics-grid{grid-template-columns:repeat(2,1fr);gap:20px;padding:26px 0;}
  .metric + .metric::before{display:none;}
  .metric strong{font-size:24px;}
  .zone-grid{grid-template-columns:1fr;}
  .feature-grid{grid-template-columns:1fr;}
  .topic-grid{grid-template-columns:1fr;}
  .section-head h2{font-size:22px;}
  .section-head p{font-size:15px;}
  .filter-bar{overflow-x:auto;flex-wrap:nowrap;padding-bottom:10px;}
  .filter-bar::-webkit-scrollbar{display:none;}
  .chip{flex:0 0 auto;}
  .cta-strip{padding:22px 20px;gap:16px;}
  .cta-strip h2{font-size:19px;}
  .cta-strip .btn{width:100%;}
  .faq-item summary{padding:16px 18px;font-size:15px;}
  .faq-answer{margin:0 18px 16px;padding:14px 0 0;font-size:14px;}
  .site-footer{padding:48px 0 88px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px;}
  .footer-bottom{flex-direction:column;gap:12px;}
  .mobile-tabs{display:flex;}
  body{padding-bottom:64px;}
}
@media (max-width:480px){
  .page-hero h1{font-size:27px;}
  .btn{width:100%;}
  .btn-sm{width:auto;}
  .zone-body{padding:16px 16px 18px;}
  .feature-card{padding:18px 16px;}
  .step{padding:22px 18px;}
  .hero-stat{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
}

/* roulang page: category4 */
:root{
  --coral:#F4623A;
  --coral-soft:#FFF1EC;
  --ink:#0F3D3E;
  --mint:#7FD1C1;
  --mint-soft:#DCF2EC;
  --bg:#FAF6F1;
  --band:#F2ECE4;
  --white:#FFFFFF;
  --text:#1B2321;
  --text-2:#5A6462;
  --text-3:#8A9290;
  --line:#E6DED4;
  --success:#2E9E78;
  --warn:#C2410C;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(15,61,62,.06),0 2px 8px rgba(15,61,62,.04);
  --sh-md:0 8px 24px rgba(15,61,62,.08);
  --sh-lg:0 20px 48px rgba(15,61,62,.12);
  --space:80px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.3px;line-height:1.32}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--coral);outline-offset:2px;border-radius:4px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.container-narrow{max-width:900px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:var(--white);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-md)}
.nav-wrap{display:flex;align-items:center;gap:24px;min-height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.logo-mark{
  width:34px;height:34px;border-radius:11px;background:var(--coral);
  display:inline-flex;align-items:center;justify-content:center;flex:0 0 34px;
  box-shadow:0 4px 12px rgba(244,98,58,.28);
}
.logo-mark svg{width:22px;height:22px}
.logo-text{font-size:18px;font-weight:800;color:var(--ink);letter-spacing:-.4px;white-space:nowrap}
.logo-text span{color:var(--coral);margin-left:1px}
.main-nav{display:flex;align-items:center;gap:26px;flex:1 1 auto;margin-left:18px}
.main-nav a{
  position:relative;font-size:15px;font-weight:500;color:var(--text-2);
  padding:22px 0;transition:color .2s ease;white-space:nowrap;
}
.main-nav a::after{
  content:"";position:absolute;left:0;right:0;bottom:12px;height:2px;
  background:var(--coral);border-radius:2px;transform:scaleX(0);transform-origin:center;
  transition:transform .22s ease;
}
.main-nav a:hover{color:var(--ink)}
.main-nav a:hover::after,.main-nav a.is-active::after{transform:scaleX(1)}
.main-nav a.is-active{color:var(--ink);font-weight:700}
.nav-actions{display:flex;align-items:center;gap:16px;flex:0 0 auto}
.link-quiet{font-size:14px;color:var(--text-2);transition:color .2s}
.link-quiet:hover{color:var(--coral)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:700;font-size:15px;border-radius:var(--r-pill);border:1.5px solid transparent;
  padding:0 22px;height:44px;cursor:pointer;transition:all .22s ease;
  text-align:center;line-height:1;
}
.btn-primary{background:var(--coral);color:#fff;box-shadow:var(--sh-sm)}
.btn-primary:hover{background:#f97351;transform:translateY(-1px);box-shadow:var(--sh-md);color:#fff}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-light{background:#fff;color:var(--coral)}
.btn-light:hover{background:#fff;transform:translateY(-1px);box-shadow:var(--sh-md)}
.btn-sm{height:38px;font-size:14px;padding:0 18px}
.btn-block{width:100%}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:600;color:var(--coral)}
.btn-text span{transition:transform .2s ease}
.btn-text:hover span{transform:translateX(3px)}
.btn-text:hover{text-decoration:underline}
.nav-toggle{
  display:none;width:40px;height:40px;border:1px solid var(--line);background:#fff;
  border-radius:10px;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:.2s}
.mobile-menu{
  display:none;position:absolute;top:100%;left:0;right:0;background:#fff;
  border-bottom:1px solid var(--line);box-shadow:var(--sh-md);padding:8px 0;
}
.mobile-menu.is-open{display:block}
.mobile-menu a{display:block;padding:13px 24px;font-size:15px;color:var(--text-2);border-bottom:1px solid #f4efe8}
.mobile-menu a:last-child{border-bottom:0}
.mobile-menu a.is-active{color:var(--coral);font-weight:700}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  background-image:linear-gradient(100deg,rgba(15,61,62,.93) 0%,rgba(15,61,62,.82) 52%,rgba(15,61,62,.62) 100%),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  padding:44px 0 60px;
}
.page-hero::after{
  content:"";position:absolute;inset:auto -60px -80px auto;width:340px;height:340px;
  background-image:radial-gradient(rgba(127,209,193,.55) 1.6px,transparent 1.6px);
  background-size:18px 18px;opacity:.28;pointer-events:none;
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.66);margin-bottom:22px}
.breadcrumb a{color:rgba(255,255,255,.8)}
.breadcrumb a:hover{color:var(--mint)}
.breadcrumb .sep{opacity:.5}
.breadcrumb .current{color:rgba(255,255,255,.55)}
.page-hero h1{
  color:#fff;font-size:44px;font-weight:800;letter-spacing:-.5px;line-height:1.22;
  max-width:760px;
}
.page-hero .lead{margin-top:18px;max-width:640px;font-size:17px;color:rgba(255,255,255,.82);line-height:1.85}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-stat{
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.18);
  border-radius:var(--r-md);padding:14px 20px;min-width:150px;backdrop-filter:blur(2px);
}
.hero-stat b{display:block;font-size:22px;font-weight:800;font-variant-numeric:tabular-nums;color:#fff;letter-spacing:-.4px}
.hero-stat span{font-size:12.5px;color:rgba(255,255,255,.7)}

/* ---------- section basics ---------- */
.section{padding:var(--space) 0}
.section.band{background:var(--band)}
.section-head{max-width:720px;margin-bottom:40px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  color:var(--coral);letter-spacing:.6px;text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--coral);border-radius:2px}
.section-head h2{font-size:32px;font-weight:700}
.section-head p{margin-top:14px;color:var(--text-2);font-size:16px;line-height:1.85}

/* ---------- quick links ---------- */
.quick-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.quick-card{
  display:flex;flex-direction:column;gap:10px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);padding:24px;transition:all .24s ease;
}
.quick-card:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:rgba(244,98,58,.35)}
.quick-ico{
  width:42px;height:42px;border-radius:12px;background:var(--mint-soft);color:var(--ink);
  display:inline-flex;align-items:center;justify-content:center;margin-bottom:4px;
}
.quick-ico svg{width:21px;height:21px}
.quick-card h3{font-size:17px;font-weight:700}
.quick-card p{font-size:14px;color:var(--text-2);line-height:1.75}
.quick-card .quick-link{margin-top:auto;font-size:13.5px;font-weight:700;color:var(--coral)}

/* ---------- faq layout ---------- */
.faq-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:44px;align-items:start}
.faq-group+.faq-group{margin-top:44px}
.faq-group-title{display:flex;align-items:center;gap:12px;margin-bottom:20px}
.faq-group-title h2{font-size:22px;font-weight:700;position:relative;padding-left:14px}
.faq-group-title h2::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;
  background:var(--coral);border-radius:2px;
}
.faq-group-title .count{
  font-size:12.5px;font-weight:700;color:var(--ink);background:var(--mint-soft);
  border-radius:var(--r-pill);padding:4px 12px;letter-spacing:.2px;
}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  margin-bottom:12px;overflow:hidden;transition:all .24s ease;
}
.faq-item:hover{border-color:rgba(244,98,58,.3)}
.faq-item.is-open{border-color:rgba(244,98,58,.4);box-shadow:inset 3px 0 0 var(--coral),var(--sh-md)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 22px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.55;transition:color .2s;
}
.faq-q:hover{color:var(--coral)}
.faq-icon{
  flex:0 0 22px;width:22px;height:22px;border-radius:50%;background:var(--mint-soft);
  position:relative;transition:transform .28s ease,background .28s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--ink);
  border-radius:2px;transform:translate(-50%,-50%);transition:background .2s;
}
.faq-icon::before{width:10px;height:2px}
.faq-icon::after{width:2px;height:10px}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:var(--coral)}
.faq-item.is-open .faq-icon::before,.faq-item.is-open .faq-icon::after{background:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-a-inner{padding:0 22px 20px;font-size:15.5px;color:var(--text-2);line-height:1.9}

/* ---------- faq sidebar ---------- */
.faq-side{position:sticky;top:96px;display:grid;gap:20px}
.side-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:26px;box-shadow:var(--sh-sm)}
.side-card h3{font-size:17px;font-weight:700;margin-bottom:10px}
.side-card p{font-size:14px;color:var(--text-2);line-height:1.8}
.side-card .btn{margin-top:18px}
.side-list{margin-top:16px;display:grid;gap:12px}
.side-list li{display:flex;gap:10px;font-size:14px;color:var(--text-2);line-height:1.7}
.side-list li::before{
  content:"";flex:0 0 7px;width:7px;height:7px;margin-top:9px;border-radius:50%;
  background:var(--coral);
}
.side-card.mint{background:var(--mint-soft);border-color:#c9e8e0}
.side-card.mint h3{color:var(--ink)}
.side-card.mint .badge{
  display:inline-block;font-size:12px;font-weight:700;color:#fff;background:var(--ink);
  border-radius:var(--r-pill);padding:3px 10px;margin-bottom:12px;
}
.badge{display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:700;border-radius:var(--r-pill);padding:4px 12px;background:var(--mint-soft);color:var(--ink)}
.badge-coral{background:var(--coral-soft);color:#B33812}

/* ---------- split block ---------- */
.split{display:grid;grid-template-columns:1.05fr 1fr;gap:56px;align-items:center}
.split-media{position:relative}
.split-media img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-lg);box-shadow:var(--sh-md);background:var(--band)}
.split-media::before{
  content:"";position:absolute;left:-16px;bottom:-16px;width:120px;height:120px;
  background:var(--mint);opacity:.22;border-radius:var(--r-lg);z-index:-1;
}
.split-body h2{font-size:30px;font-weight:700;margin-bottom:16px}
.split-body>p{color:var(--text-2);font-size:16px}
.check-list{margin-top:24px;display:grid;gap:16px}
.check-list li{display:flex;gap:14px;align-items:flex-start}
.check-mark{
  flex:0 0 26px;width:26px;height:26px;border-radius:50%;background:var(--coral);
  display:inline-flex;align-items:center;justify-content:center;margin-top:2px;
}
.check-mark svg{width:14px;height:14px}
.check-list strong{display:block;font-size:15.5px;color:var(--ink);font-weight:700}
.check-list span{font-size:14px;color:var(--text-2);line-height:1.75}

/* ---------- cta bar ---------- */
.cta-bar{
  display:flex;align-items:center;justify-content:space-between;gap:28px;
  background:var(--mint-soft);border:1px solid #c9e8e0;border-radius:var(--r-lg);
  padding:32px 36px;
}
.cta-bar h3{font-size:21px;font-weight:700}
.cta-bar p{margin-top:8px;font-size:14.5px;color:var(--text-2)}
.cta-bar .cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- footer ---------- */
.site-footer{background:var(--ink);color:#CFE3DE;padding:64px 0 28px;margin-top:0;position:relative;overflow:hidden}
.site-footer::before{
  content:"";position:absolute;right:-80px;top:-40px;width:320px;height:320px;
  background-image:radial-gradient(rgba(127,209,193,.5) 1.6px,transparent 1.6px);
  background-size:20px 20px;opacity:.16;pointer-events:none;
}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;position:relative}
.footer-brand .logo-text{color:#fff}
.footer-brand .logo-text span{color:var(--mint)}
.footer-brand .logo-mark{background:var(--coral)}
.footer-brand p{margin-top:16px;font-size:14px;color:#A9C6C1;max-width:260px;line-height:1.8}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.4px}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:14px;color:#CFE3DE;transition:color .2s}
.footer-col a:hover{color:var(--coral)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12px;color:#8FA9A5;
}
.footer-bottom .disclaimer{max-width:720px;line-height:1.7}

/* ---------- mobile tabbar ---------- */
.tabbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:95;
  background:#fff;border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
  box-shadow:0 -6px 24px rgba(15,61,62,.08);
}
.tabbar a{
  flex:1 1 0;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  height:56px;font-size:11px;color:var(--text-3);position:relative;transition:color .2s;
}
.tabbar a svg{width:21px;height:21px}
.tabbar a.is-active{color:var(--coral);font-weight:700}
.tabbar a.is-active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:26px;height:3px;border-radius:0 0 3px 3px;background:var(--coral);
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .page-hero h1{font-size:38px}
  .split{gap:40px}
}
@media (max-width:991px){
  :root{--space:64px}
  .main-nav{gap:18px;margin-left:8px}
  .main-nav a{font-size:14px}
  .page-hero h1{font-size:34px}
  .quick-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .faq-layout{grid-template-columns:minmax(0,1fr) 280px;gap:32px}
  .split{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1/-1}
}
@media (max-width:767px){
  :root{--space:48px}
  .container{padding:0 20px}
  .main-nav,.nav-actions .link-quiet{display:none}
  .nav-toggle{display:inline-flex}
  .nav-wrap{min-height:56px;gap:12px}
  .nav-actions{margin-left:auto;gap:10px}
  .nav-actions .btn{height:36px;font-size:13.5px;padding:0 14px}
  .logo-mark{width:30px;height:30px;flex:0 0 30px;border-radius:9px}
  .logo-text{font-size:16px}
  .page-hero{padding:30px 0 44px}
  .page-hero h1{font-size:29px}
  .page-hero .lead{font-size:15.5px;margin-top:14px}
  .hero-stats{gap:10px;margin-top:24px}
  .hero-stat{flex:1 1 calc(50% - 5px);min-width:0;padding:12px 16px}
  .hero-stat b{font-size:19px}
  .section-head h2{font-size:24px}
  .section-head{margin-bottom:28px}
  .quick-grid{grid-template-columns:1fr;gap:14px}
  .faq-layout{grid-template-columns:1fr;gap:28px}
  .faq-side{position:static}
  .faq-q{font-size:15px;padding:16px 18px}
  .faq-a-inner{padding:0 18px 18px;font-size:15px}
  .faq-group-title h2{font-size:19px}
  .split-body h2{font-size:24px}
  .cta-bar{flex-direction:column;align-items:flex-start;padding:26px 22px;gap:20px}
  .cta-bar h3{font-size:19px}
  .cta-bar .cta-actions{width:100%}
  .cta-bar .cta-actions .btn{flex:1 1 auto}
  .tabbar{display:flex}
  body{padding-bottom:76px}
  .site-footer{padding:48px 0 24px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .footer-brand{grid-column:1/-1}
  .footer-bottom{flex-direction:column;gap:10px;margin-top:32px}
}
@media (max-width:520px){
  .page-hero h1{font-size:26px}
  .hero-stat{flex:1 1 100%}
  .btn{height:44px;font-size:14.5px}
  .quick-card,.side-card{padding:20px}
  .footer-grid{grid-template-columns:1fr}
  .split-media::before{display:none}
}

/* roulang page: category5 */
:root{
  --c-primary:#F4623A;
  --c-primary-hover:#FF7A55;
  --c-ink:#0F3D3E;
  --c-mint:#7FD1C1;
  --c-mint-soft:#DCF2EC;
  --bg:#FAF6F1;
  --bg-alt:#F2ECE4;
  --white:#FFFFFF;
  --text:#1B2321;
  --text-2:#5A6462;
  --text-3:#8A9290;
  --line:#E6DED4;
  --ok:#2E9E78;
  --warn:#C2410C;
  --r-sm:8px;
  --r-md:14px;
  --r-lg:20px;
  --r-pill:999px;
  --shadow-sm:0 1px 2px rgba(15,61,62,.06),0 2px 8px rgba(15,61,62,.04);
  --shadow-md:0 8px 24px rgba(15,61,62,.08);
  --shadow-lg:0 20px 48px rgba(15,61,62,.12);
  --font:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  --pad:80px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding:0;list-style:none;}
a{color:inherit;text-decoration:none;transition:color .2s ease,opacity .2s ease;}
img{max-width:100%;display:block;height:auto;}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
input,select,textarea{font-family:inherit;font-size:16px;color:var(--text);}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--white);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-md);}
.nav-wrap{
  position:relative;
  display:flex;
  align-items:center;
  gap:32px;
  min-height:68px;
}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:36px;height:36px;
  border-radius:11px;
  background:var(--c-primary);
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 6px 14px rgba(244,98,58,.28);
}
.logo-mark svg{width:22px;height:22px;display:block;}
.logo-text{
  font-size:19px;font-weight:800;letter-spacing:-.4px;color:var(--c-ink);
  display:inline-flex;align-items:baseline;gap:2px;
}
.logo-text span{color:var(--c-primary);}
.main-nav{display:flex;align-items:center;gap:6px;flex:1;}
.main-nav a{
  position:relative;
  padding:9px 13px;
  font-size:15px;
  font-weight:500;
  color:var(--text-2);
  border-radius:var(--r-sm);
  white-space:nowrap;
}
.main-nav a:hover{color:var(--c-ink);background:var(--bg-alt);}
.main-nav a.is-active{color:var(--c-primary);font-weight:700;}
.main-nav a.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:0;height:2px;
  background:var(--c-primary);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:16px;margin-left:auto;}
.link-quiet{font-size:15px;font-weight:600;color:var(--c-ink);}
.link-quiet:hover{color:var(--c-primary);}
.nav-toggle{
  display:none;
  width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);
  background:var(--white);
  align-items:center;justify-content:center;
  flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--c-ink);border-radius:2px;transition:transform .22s ease,opacity .22s ease;}
.nav-toggle.is-on span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-on span:nth-child(2){opacity:0;}
.nav-toggle.is-on span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;
  border-radius:var(--r-pill);
  font-size:15px;font-weight:700;
  line-height:1;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--shadow-sm);}
.btn-primary:hover{background:var(--c-primary-hover);transform:translateY(-1px);box-shadow:var(--shadow-md);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-sm);}
.btn-ghost{background:transparent;color:var(--c-ink);border:1.5px solid var(--c-ink);}
.btn-ghost:hover{background:var(--c-ink);color:#fff;}
.btn-white{background:#fff;color:var(--c-primary);box-shadow:var(--shadow-sm);}
.btn-white:hover{background:#FFF3EE;transform:translateY(-1px);box-shadow:var(--shadow-md);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;height:52px;}

/* ============ 页面头图 ============ */
.page-hero{
  position:relative;
  background:
    radial-gradient(circle at 92% 12%, rgba(127,209,193,.30), transparent 46%),
    linear-gradient(180deg,#FFFFFF 0%, #FAF6F1 100%);
  border-bottom:1px solid var(--line);
  overflow:hidden;
}
.page-hero::before{
  content:"";
  position:absolute;inset:0;
  background-image:radial-gradient(rgba(15,61,62,.10) 1.1px, transparent 1.1px);
  background-size:18px 18px;
  opacity:.6;
  pointer-events:none;
}
.hero-grid{
  position:relative;
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  align-items:center;
  padding:56px 0 64px;
}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:var(--text-3);
  margin-bottom:18px;
}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--c-primary);}
.breadcrumb .sep{color:#C9C0B5;}
.breadcrumb .current{color:var(--text-3);}
.tag-label{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;
  border-radius:var(--r-pill);
  background:var(--c-mint-soft);
  color:#15544B;
  font-size:13px;font-weight:700;
  letter-spacing:.2px;
  margin-bottom:18px;
}
.page-hero h1{
  font-size:clamp(30px,4vw,44px);
  line-height:1.28;
  font-weight:800;
  letter-spacing:-.5px;
  color:var(--c-ink);
  margin-bottom:18px;
}
.page-hero h1 em{font-style:normal;color:var(--c-primary);}
.hero-sub{
  font-size:17px;
  color:var(--text-2);
  max-width:560px;
  margin-bottom:26px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 28px;font-size:14px;color:var(--text-2);}
.hero-meta b{color:var(--c-ink);font-variant-numeric:tabular-nums;font-weight:800;margin-right:4px;}
.hero-figure{position:relative;}
.hero-figure .backdrop{
  position:absolute;inset:26px -14px -14px 26px;
  background:var(--c-mint-soft);
  border-radius:var(--r-lg);
  z-index:0;
}
.hero-figure img{
  position:relative;z-index:1;
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-lg);
  background:var(--bg-alt);
  box-shadow:var(--shadow-md);
}
.hero-chip{
  position:absolute;z-index:2;right:-6px;bottom:-18px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:14px 18px;box-shadow:var(--shadow-md);
  display:flex;align-items:center;gap:12px;
}
.hero-chip .dot{width:10px;height:10px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px rgba(46,158,120,.16);}
.hero-chip strong{display:block;font-size:15px;color:var(--c-ink);line-height:1.4;}
.hero-chip small{display:block;font-size:12px;color:var(--text-3);line-height:1.4;}

/* ============ 通用板块 ============ */
.section{padding:var(--pad) 0;}
.section-alt{background:var(--bg-alt);}
.section-head{max-width:720px;margin-bottom:40px;}
.section-head h2{
  font-size:clamp(22px,2.6vw,32px);
  font-weight:700;letter-spacing:-.4px;
  color:var(--c-ink);
  margin-bottom:12px;
}
.section-head p{color:var(--text-2);font-size:16px;}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:800;letter-spacing:1.4px;
  color:var(--c-primary);text-transform:uppercase;margin-bottom:10px;
}

/* ============ 表单 + 说明 ============ */
.support-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:32px;
  align-items:start;
}
.form-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:32px;
  box-shadow:var(--shadow-sm);
}
.form-card h2{font-size:22px;font-weight:700;color:var(--c-ink);margin-bottom:8px;}
.form-card .form-tip{font-size:14px;color:var(--text-2);margin-bottom:24px;}
.field{margin-bottom:18px;}
.field label{
  display:block;font-size:14px;font-weight:600;color:var(--text-2);
  margin-bottom:8px;
}
.field label .req{color:var(--c-primary);margin-left:2px;}
.field input[type="text"],
.field input[type="tel"],
.field select,
.field textarea{
  width:100%;
  border:1px solid var(--line);
  background:#FFFDFB;
  border-radius:12px;
  padding:0 16px;
  height:48px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.field textarea{height:auto;min-height:132px;padding:14px 16px;resize:vertical;line-height:1.75;}
.field input:hover,.field select:hover,.field textarea:hover{border-color:#D6CBBE;}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;
  border-color:var(--c-primary);
  background:#fff;
  box-shadow:0 0 0 3px rgba(244,98,58,.14);
}
.field-row{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.form-note-line{
  font-size:13px;color:var(--text-3);line-height:1.7;margin-top:14px;
}
.form-success{
  display:none;
  margin-top:16px;
  padding:14px 16px;
  border-radius:12px;
  background:var(--c-mint-soft);
  border:1px solid rgba(46,158,120,.28);
  color:#15544B;
  font-size:14px;
  font-weight:600;
}
.form-success.is-show{display:block;}

.aside-stack{display:grid;gap:16px;}
.info-card{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  padding:22px 24px;
  box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.info-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-md);border-color:rgba(244,98,58,.35);}
.info-card .ico{
  width:40px;height:40px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-mint-soft);
  margin-bottom:14px;
}
.info-card .ico svg{width:20px;height:20px;stroke:var(--c-ink);fill:none;stroke-width:1.9;stroke-linecap:round;stroke-linejoin:round;}
.info-card h3{font-size:17px;font-weight:700;color:var(--c-ink);margin-bottom:8px;}
.info-card p{font-size:14.5px;color:var(--text-2);line-height:1.8;}
.info-card ul{margin-top:10px;display:grid;gap:6px;}
.info-card li{
  position:relative;padding-left:16px;
  font-size:14px;color:var(--text-2);line-height:1.75;
}
.info-card li::before{
  content:"";position:absolute;left:0;top:9px;
  width:6px;height:6px;border-radius:50%;background:var(--c-mint);
}

/* ============ 求助路径卡片 ============ */
.path-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.path-card{
  display:flex;flex-direction:column;
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.path-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-md);border-color:rgba(244,98,58,.35);}
.path-card .thumb{
  aspect-ratio:16/9;
  background:var(--bg-alt);
  overflow:hidden;
}
.path-card .thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .4s ease;
}
.path-card:hover .thumb img{transform:scale(1.04);}
.path-card .body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1;}
.path-card .pill{
  align-self:flex-start;
  font-size:12px;font-weight:700;letter-spacing:.3px;
  color:#15544B;background:var(--c-mint-soft);
  padding:4px 10px;border-radius:var(--r-pill);
}
.path-card h3{font-size:19px;font-weight:700;color:var(--c-ink);line-height:1.45;}
.path-card p{font-size:14.5px;color:var(--text-2);flex:1;}
.path-card .go{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14.5px;font-weight:700;color:var(--c-primary);
  margin-top:4px;
}
.path-card .go svg{width:16px;height:16px;stroke:currentColor;fill:none;stroke-width:2.2;stroke-linecap:round;stroke-linejoin:round;transition:transform .2s ease;}
.path-card:hover .go svg{transform:translateX(3px);}

/* ============ 快速答疑 ============ */
.faq-wrap{max-width:900px;}
.faq-item{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-md);
  margin-bottom:12px;
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#D6CBBE;}
.faq-item.is-open{border-color:rgba(244,98,58,.42);box-shadow:var(--shadow-sm);}
.faq-q{
  width:100%;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;
  text-align:left;
  font-size:16px;font-weight:600;color:var(--c-ink);
  position:relative;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  background:var(--c-primary);border-radius:0 3px 3px 0;
  opacity:0;transition:opacity .2s ease;
}
.faq-item.is-open .faq-q::before{opacity:1;}
.faq-icon{
  position:relative;flex-shrink:0;
  width:22px;height:22px;border-radius:50%;
  background:var(--bg-alt);
  transition:transform .25s ease,background .2s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;
  background:var(--c-ink);border-radius:2px;
  transform:translate(-50%,-50%);
}
.faq-icon::before{width:11px;height:2px;}
.faq-icon::after{width:2px;height:11px;transition:transform .25s ease;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:rgba(244,98,58,.14);}
.faq-item.is-open .faq-icon::before,.faq-item.is-open .faq-icon::after{background:var(--c-primary);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .3s ease,padding .3s ease;
  padding:0 22px;
}
.faq-a p{font-size:15px;color:var(--text-2);line-height:1.85;padding-bottom:20px;}
.faq-item.is-open .faq-a{max-height:420px;}

/* ============ CTA 条 ============ */
.cta-bar{
  background:var(--white);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  padding:26px 32px;
  display:flex;align-items:center;justify-content:space-between;gap:24px;
  box-shadow:var(--shadow-sm);
}
.cta-bar .cta-text strong{
  display:block;font-size:19px;font-weight:800;color:var(--c-ink);margin-bottom:4px;letter-spacing:-.2px;
}
.cta-bar .cta-text span{font-size:14.5px;color:var(--text-2);}
.cta-bar .cta-actions{display:flex;gap:12px;flex-wrap:wrap;flex-shrink:0;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-ink);
  color:#CFE3DE;
  padding:64px 0 28px;
  margin-top:64px;
  position:relative;
  overflow:hidden;
}
.site-footer::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.10) 1.1px, transparent 1.1px);
  background-size:20px 20px;
  opacity:.5;pointer-events:none;
}
.site-footer .container{position:relative;}
.footer-grid{
  display:grid;
  grid-template-columns:2fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:40px;
}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand .logo-text{color:#fff;}
.footer-brand .logo-text span{color:var(--c-mint);}
.footer-brand p{font-size:14px;color:#A9C6C1;line-height:1.8;max-width:280px;}
.footer-col h4{
  font-size:14px;font-weight:700;color:#fff;
  letter-spacing:.5px;margin-bottom:14px;
}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:#CFE3DE;}
.footer-col a:hover{color:var(--c-primary);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding-top:22px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:12px;color:#8FAFAA;
}
.footer-bottom .disclaimer{max-width:640px;line-height:1.7;}

/* ============ 移动底部 Tab ============ */
.mobile-tab{
  display:none;
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:70;
  background:#fff;
  border-top:1px solid var(--line);
  padding-bottom:env(safe-area-inset-bottom);
  box-shadow:0 -6px 20px rgba(15,61,62,.07);
}
.mobile-tab .tab-inner{
  display:grid;
  grid-template-columns:repeat(5,1fr);
  height:56px;
}
.tab-item{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:11px;color:var(--text-3);
  position:relative;
  transition:color .18s ease;
}
.tab-item svg{width:20px;height:20px;stroke:currentColor;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.tab-item.is-active{color:var(--c-primary);font-weight:700;}
.tab-item.is-active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:24px;height:3px;border-radius:0 0 3px 3px;background:var(--c-primary);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .page-hero h1{font-size:38px;}
  .hero-grid{gap:40px;}
}
@media (max-width:991px){
  :root{--pad:64px;}
  .nav-wrap{gap:18px;}
  .main-nav a{padding:9px 10px;font-size:14.5px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;padding:40px 0 48px;}
  .hero-figure{max-width:560px;}
  .support-grid{grid-template-columns:1fr;}
  .path-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:900px){
  .nav-toggle{display:flex;}
  .link-quiet{display:none;}
  .main-nav{
    position:absolute;
    top:100%;left:0;right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:2px;
    background:#fff;
    padding:12px 20px 18px;
    border-bottom:1px solid var(--line);
    box-shadow:var(--shadow-md);
  }
  .main-nav.is-open{display:flex;}
  .main-nav a{padding:12px 10px;font-size:15.5px;border-radius:10px;}
  .main-nav a.is-active::after{display:none;}
  .main-nav a.is-active{background:rgba(244,98,58,.09);}
  .nav-actions .btn{height:40px;padding:0 16px;font-size:14px;}
}
@media (max-width:767px){
  :root{--pad:48px;}
  body{padding-bottom:76px;}
  .container{padding:0 20px;}
  .page-hero h1{font-size:30px;letter-spacing:-.3px;}
  .hero-sub{font-size:16px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{flex:1 1 100%;}
  .hero-chip{position:static;margin-top:16px;right:auto;bottom:auto;}
  .path-grid{grid-template-columns:1fr;}
  .form-card{padding:24px 20px;}
  .field-row{grid-template-columns:1fr;}
  .cta-bar{flex-direction:column;align-items:flex-start;padding:22px;}
  .cta-bar .cta-actions{width:100%;}
  .cta-bar .cta-actions .btn{flex:1 1 100%;}
  .mobile-tab{display:block;}
  .site-footer{padding:48px 0 24px;margin-top:48px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .faq-q{padding:16px 18px;font-size:15.5px;}
  .faq-a{padding:0 18px;}
}
@media (max-width:480px){
  .logo-text{font-size:17px;}
  .page-hero h1{font-size:27px;}
  .section-head h2{font-size:22px;}
  .btn{height:44px;padding:0 20px;font-size:14.5px;}
  .btn-block{height:50px;}
  .form-card{padding:20px 16px;}
  .info-card{padding:18px 18px;}
  .footer-grid{grid-template-columns:1fr;}
}