/* roulang page: index */
:root{
  --c-primary:#0FA98C;
  --c-primary-dark:#0A7C67;
  --c-primary-soft:#E4F6F1;
  --c-accent:#C7F04A;
  --c-cta:#FF7A2F;
  --c-cta-dark:#E8641B;
  --c-ink:#0E1A17;
  --c-text:#24312E;
  --c-muted:#5F6F6B;
  --c-line:#E2E8E4;
  --c-bg:#FAFBF8;
  --c-bg-alt:#F1F4EE;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(14,26,23,.06);
  --sh-2:0 10px 28px rgba(14,26,23,.10);
  --ease:.18s ease;
  --bs-primary:#0FA98C;
  --bs-body-color:#24312E;
  --bs-body-bg:#FAFBF8;
  --bs-border-color:#E2E8E4;
  --bs-link-color:#0A7C67;
  --bs-link-hover-color:#0FA98C;
  --bs-font-sans-serif:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  padding-top:68px;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--c-primary-dark);text-decoration:none;transition:color var(--ease),opacity var(--ease);}
a:hover{color:var(--c-primary);}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{padding-left:0;list-style:none;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:104px 0;}
.section-alt{background:var(--c-bg-alt);}
.section-ink{background:var(--c-ink);color:rgba(255,255,255,.78);position:relative;overflow:hidden;}
.section-ink::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:24px 24px;pointer-events:none;
}
.section-grid{position:relative;background-image:linear-gradient(rgba(14,26,23,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(14,26,23,.03) 1px,transparent 1px);background-size:24px 24px;}
.nums{font-variant-numeric:tabular-nums;}
/* ---------- Header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1040;height:68px;
  background:rgba(250,251,248,.92);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow var(--ease),background var(--ease);
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(14,26,23,.08);background:rgba(250,251,248,.97);}
.header-inner{height:68px;display:flex;align-items:center;gap:24px;}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;letter-spacing:.1px;color:var(--c-ink);white-space:nowrap;}
.brand:hover{color:var(--c-ink);}
.brand-mark{width:32px;height:32px;border-radius:10px;background:var(--c-primary-soft);display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto;}
.brand-mark svg{width:18px;height:18px;stroke:var(--c-primary);}
.brand-text em{font-style:normal;color:var(--c-primary);}
.nav-main{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-main a{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 14px;
  font-size:15px;font-weight:500;color:var(--c-text);border-radius:var(--r-sm);
}
.nav-main a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left center;transition:transform var(--ease);
}
.nav-main a:hover{color:var(--c-primary);}
.nav-main a:hover::after{transform:scaleX(1);}
.nav-main a.active{color:var(--c-primary);font-weight:600;}
.nav-main a.active::after{transform:scaleX(1);}
.header-cta{
  display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 20px;
  background:var(--c-cta);color:#fff;font-size:15px;font-weight:600;border-radius:var(--r-md);
  transition:background var(--ease),transform var(--ease);
}
.header-cta:hover{background:var(--c-cta-dark);color:#fff;transform:translateY(-1px);}
.header-mini{display:none;align-items:center;justify-content:center;width:44px;height:44px;border-radius:var(--r-md);color:var(--c-primary);}
.header-mini:hover{background:var(--c-primary-soft);}
.header-mini svg{width:22px;height:22px;stroke:currentColor;}
/* ---------- Buttons ---------- */
.btn-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 26px;border-radius:var(--r-md);
  font-size:15px;font-weight:600;letter-spacing:.2px;line-height:1.2;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn-cta{background:var(--c-cta);color:#fff;box-shadow:0 1px 2px rgba(255,122,47,.25);}
.btn-cta:hover{background:var(--c-cta-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 24px rgba(255,122,47,.28);}
.btn-ghost{border:1px solid var(--c-primary);color:var(--c-primary);background:transparent;}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);border-color:var(--c-primary-dark);}
.btn-ghost-light{border:1px solid rgba(255,255,255,.5);color:#fff;background:transparent;}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);color:#fff;border-color:#fff;}
.btn-block{width:100%;}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);}
.link-more svg{width:16px;height:16px;stroke:currentColor;transition:transform var(--ease);}
.link-more:hover svg{transform:translateX(4px);}
/* ---------- Badges & tags ---------- */
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);
  background:var(--c-primary-soft);color:var(--c-primary-dark);font-size:13px;font-weight:600;line-height:1.6;
}
.badge-accent{
  display:inline-flex;align-items:center;padding:4px 12px;border-radius:var(--r-pill);
  background:var(--c-accent);color:var(--c-ink);font-size:13px;font-weight:700;line-height:1.6;
}
.badge-plain{
  display:inline-flex;align-items:center;padding:5px 14px;border-radius:var(--r-pill);
  background:var(--c-bg-alt);color:var(--c-text);font-size:13px;font-weight:500;
}
/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--c-ink);color:#fff;padding:96px 0 88px;}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.5;}
.hero-veil{position:absolute;inset:0;background:rgba(14,26,23,.72);}
.hero-inner{position:relative;display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;padding:6px 16px;border-radius:var(--r-pill);
  background:rgba(199,240,74,.16);color:var(--c-accent);font-size:13px;font-weight:600;letter-spacing:.3px;
}
.hero h1{
  margin-top:22px;font-size:50px;line-height:1.22;font-weight:800;letter-spacing:0;color:#fff;
}
.hero h1 span{color:var(--c-accent);}
.hero-sub{margin-top:20px;max-width:600px;font-size:17px;line-height:1.9;color:rgba(255,255,255,.8);}
.hero-actions{margin-top:34px;display:flex;gap:14px;flex-wrap:wrap;}
.hero-badges{margin-top:30px;display:flex;gap:10px;flex-wrap:wrap;}
.hero-badges li{
  padding:6px 14px;border-radius:var(--r-pill);background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.12);font-size:13px;color:rgba(255,255,255,.82);
}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-lg);
  box-shadow:0 0 0 8px rgba(15,169,140,.18);
}
.hero-media::after{
  content:"";position:absolute;right:-10px;bottom:-10px;width:26px;height:26px;border-radius:50%;
  background:var(--c-accent);box-shadow:0 0 0 6px rgba(199,240,74,.18);
}
.hero-divider{height:6px;background:linear-gradient(90deg,var(--c-primary),var(--c-accent));}
/* ---------- Metrics ---------- */
.metrics{background:var(--c-bg-alt);border-bottom:1px solid var(--c-line);}
.metrics-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.metric{padding:36px 24px;text-align:center;border-left:1px solid var(--c-line);}
.metric:first-child{border-left:0;}
.metric-num{font-size:40px;font-weight:800;line-height:1.1;color:var(--c-primary);}
.metric-num.accent{color:var(--c-cta);}
.metric-label{margin-top:8px;font-size:13px;color:var(--c-muted);line-height:1.7;}
/* ---------- Section heading ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;}
.sec-head h2{font-size:34px;line-height:1.3;font-weight:700;color:var(--c-ink);}
.sec-head .sec-lead{font-size:14px;color:var(--c-muted);max-width:280px;text-align:right;line-height:1.7;}
.sec-head-light h2{color:#fff;}
.sec-head-light .sec-lead{color:rgba(255,255,255,.6);}
.sec-eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--c-primary);letter-spacing:.3px;margin-bottom:12px;}
.sec-eyebrow::before{content:"";width:18px;height:3px;border-radius:2px;background:var(--c-accent);}
/* ---------- Service cards ---------- */
.svc-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;}
.svc-card{
  position:relative;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh-1);transition:transform var(--ease),box-shadow var(--ease);
}
.svc-card::before{content:"";position:absolute;left:26px;top:0;width:40px;height:3px;border-radius:0 0 3px 3px;background:var(--c-primary);}
.svc-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.svc-card.wide{grid-column:span 2;display:grid;grid-template-columns:1.35fr 1fr;gap:30px;align-items:center;}
.svc-row{display:flex;gap:18px;align-items:flex-start;}
.svc-icon{
  flex:0 0 auto;width:48px;height:48px;border-radius:50%;background:var(--c-primary-soft);
  display:inline-flex;align-items:center;justify-content:center;
}
.svc-icon svg{width:22px;height:22px;stroke:var(--c-primary);}
.svc-card h3{font-size:21px;line-height:1.4;font-weight:600;color:var(--c-ink);}
.svc-card p{margin-top:10px;font-size:15px;line-height:1.85;color:var(--c-muted);}
.svc-card .link-more{margin-top:16px;}
.svc-thumb img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-md);}
/* ---------- Advantage (dark) ---------- */
.adv-grid{display:grid;grid-template-columns:5fr 7fr;gap:60px;align-items:center;}
.adv-copy p{margin-top:18px;font-size:15px;line-height:1.9;color:rgba(255,255,255,.7);}
.adv-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:1px;background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.08);border-radius:var(--r-lg);overflow:hidden;}
.adv-stat{background:var(--c-ink);padding:30px 26px;}
.adv-stat .num{font-size:44px;font-weight:800;line-height:1.1;color:var(--c-accent);}
.adv-stat .num.teal{color:var(--c-primary);}
.adv-stat .txt{margin-top:8px;font-size:13px;line-height:1.7;color:rgba(255,255,255,.6);}
/* ---------- Case rail ---------- */
.case-rail{display:flex;gap:22px;overflow-x:auto;padding:4px 0 18px;scroll-snap-type:x mandatory;-ms-overflow-style:none;scrollbar-width:none;}
.case-rail::-webkit-scrollbar{display:none;}
.case-card{
  position:relative;flex:0 0 320px;height:220px;border-radius:var(--r-lg);overflow:hidden;
  scroll-snap-align:start;box-shadow:var(--sh-1);
}
.case-card img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.case-card:hover img{transform:scale(1.04);}
.case-mask{
  position:absolute;inset:0;display:flex;flex-direction:column;justify-content:flex-end;gap:10px;
  padding:22px;background:rgba(14,26,23,.42);transition:background var(--ease);
}
.case-card:hover .case-mask{background:rgba(14,26,23,.6);}
.case-mask h3{font-size:17px;font-weight:600;color:#fff;line-height:1.5;}
.case-mask .badge-accent{align-self:flex-start;}
/* ---------- Plan (staggered) ---------- */
.plan-list{display:grid;gap:26px;}
.plan-card{
  display:grid;grid-template-columns:40% 60%;gap:28px;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:30px;box-shadow:var(--sh-1);
}
.plan-card:nth-child(2){margin-top:32px;}
.plan-card:nth-child(3){margin-top:64px;}
.plan-no{
  display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:50%;
  background:var(--c-accent);color:var(--c-ink);font-weight:800;font-size:14px;
}
.plan-card h3{margin-top:14px;font-size:22px;font-weight:600;color:var(--c-ink);}
.plan-list-items{margin-top:18px;display:grid;gap:10px;}
.plan-list-items li{position:relative;padding-left:14px;font-size:14px;line-height:1.8;color:var(--c-muted);}
.plan-list-items li::before{content:"";position:absolute;left:0;top:9px;width:3px;height:14px;border-radius:2px;background:var(--c-primary);}
.plan-body p{font-size:15px;line-height:1.9;color:var(--c-text);}
.plan-body p + p{margin-top:14px;}
.plan-body .link-more{margin-top:18px;}
/* ---------- News list ---------- */
.news-list{display:grid;gap:16px;}
.news-row{
  display:grid;grid-template-columns:280px 1fr;gap:22px;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-lg);padding:20px;box-shadow:var(--sh-1);
  transition:transform var(--ease),box-shadow var(--ease);
}
.news-row:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.news-thumb{border-radius:var(--r-md);overflow:hidden;background:var(--c-bg-alt);}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.news-body h3{font-size:18px;line-height:1.5;font-weight:600;color:var(--c-ink);margin-top:10px;}
.news-body h3 a{color:inherit;}
.news-body h3 a:hover{color:var(--c-primary);}
.news-body p{margin-top:8px;font-size:14px;line-height:1.8;color:var(--c-muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{margin-top:14px;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13px;color:var(--c-muted);}
.news-empty{
  min-height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:16px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:36px;text-align:center;
}
.news-empty svg{width:40px;height:40px;stroke:var(--c-primary);}
.news-empty p{font-size:15px;color:var(--c-muted);}
/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);margin-bottom:12px;
  overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item.active{border-color:var(--c-primary);box-shadow:var(--sh-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;font-size:17px;font-weight:600;color:var(--c-ink);
  transition:color var(--ease);
}
.faq-item.active .faq-q{color:var(--c-primary);}
.faq-q svg{width:20px;height:20px;flex:0 0 auto;stroke:var(--c-muted);transition:transform var(--ease),stroke var(--ease);}
.faq-item.active .faq-q svg{transform:rotate(180deg);stroke:var(--c-primary);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-item.active .faq-a{max-height:420px;}
.faq-a-inner{padding:0 24px 22px;font-size:15px;line-height:1.9;color:var(--c-muted);border-top:1px solid var(--c-line);padding-top:18px;margin:0 24px 22px;padding-left:0;padding-right:0;}
/* ---------- Contact ---------- */
.contact-grid{display:grid;grid-template-columns:6fr 4fr;gap:28px;align-items:start;}
.form-card{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:30px;box-shadow:var(--sh-1);}
.form-card h2{font-size:28px;line-height:1.35;font-weight:700;color:var(--c-ink);}
.form-card .form-hint{margin-top:10px;font-size:14px;color:var(--c-muted);}
.field{margin-top:18px;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--c-text);margin-bottom:8px;}
.field .form-control,.field .form-select{
  height:46px;border-radius:var(--r-md);border:1px solid var(--c-line);background:#fff;
  font-size:15px;color:var(--c-text);box-shadow:none;transition:border-color var(--ease),box-shadow var(--ease);
}
.field textarea.form-control{height:auto;min-height:120px;padding-top:12px;line-height:1.8;}
.field .form-control:focus,.field .form-select:focus{
  border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(15,169,140,.16);
}
.field .form-check{margin-top:18px;display:flex;align-items:flex-start;gap:10px;}
.field .form-check-input{width:18px;height:18px;margin:2px 0 0;flex:0 0 auto;border:1px solid var(--c-line);}
.field .form-check-input:checked{background-color:var(--c-primary);border-color:var(--c-primary);}
.field .form-check-label{font-size:13px;color:var(--c-muted);line-height:1.7;}
.form-card .btn-x{margin-top:22px;}
.form-tip{margin-top:14px;font-size:13px;color:var(--c-primary-dark);display:none;}
.form-tip.show{display:block;}
.info-card{background:var(--c-bg-alt);border:1px solid var(--c-line);border-radius:var(--r-lg);padding:28px;}
.info-card h3{font-size:20px;font-weight:600;color:var(--c-ink);}
.info-list{margin-top:18px;display:grid;gap:16px;}
.info-list li{display:flex;gap:12px;font-size:14px;line-height:1.8;color:var(--c-text);}
.info-list svg{width:20px;height:20px;flex:0 0 auto;margin-top:4px;stroke:var(--c-primary);}
.map-ph{
  margin-top:22px;aspect-ratio:16/9;border-radius:var(--r-md);background:var(--c-primary-soft);
  background-image:linear-gradient(rgba(15,169,140,.09) 1px,transparent 1px),linear-gradient(90deg,rgba(15,169,140,.09) 1px,transparent 1px);
  background-size:22px 22px;
  display:flex;align-items:center;justify-content:center;text-align:center;padding:18px;
  font-size:13px;color:var(--c-primary-dark);line-height:1.7;
}
/* ---------- CTA band ---------- */
.cta-band{background:var(--c-primary-soft);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:28px;padding:56px 0;}
.cta-inner h2{font-size:30px;line-height:1.35;font-weight:700;color:var(--c-ink);}
.cta-inner p{margin-top:10px;font-size:15px;color:var(--c-muted);}
/* ---------- Footer ---------- */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.72);padding-top:64px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .brand{color:#fff;font-size:19px;}
.footer-brand .brand-text em{color:var(--c-accent);}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);}
.social-row{margin-top:20px;display:flex;gap:10px;}
.social-row a{
  width:38px;height:38px;border-radius:var(--r-md);border:1px solid rgba(255,255,255,.14);
  display:inline-flex;align-items:center;justify-content:center;color:rgba(255,255,255,.72);
  transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.social-row a:hover{background:rgba(15,169,140,.22);color:#fff;border-color:rgba(15,169,140,.5);}
.social-row svg{width:18px;height:18px;stroke:currentColor;}
.footer-col h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:18px;}
.footer-col ul{display:grid;gap:12px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-col a:hover{color:var(--c-accent);}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.75;color:rgba(255,255,255,.72);}
.footer-contact svg{width:18px;height:18px;flex:0 0 auto;margin-top:5px;stroke:var(--c-primary);}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(255,255,255,.08);padding:22px 0 24px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:rgba(255,255,255,.55);}
.footer-bottom nav{display:flex;gap:18px;flex-wrap:wrap;}
.footer-bottom nav a{font-size:13px;color:rgba(255,255,255,.6);}
.footer-bottom nav a:hover{color:var(--c-primary);}
/* ---------- Mobile tabbar ---------- */
.mobile-tabbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:1050;
  background:#fff;border-top:1px solid var(--c-line);
  box-shadow:0 -2px 12px rgba(14,26,23,.06);
  padding-bottom:env(safe-area-inset-bottom);
}
.mobile-tabbar a{
  flex:1;min-height:58px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:11px;color:var(--c-muted);transition:color var(--ease),transform .12s ease;
}
.mobile-tabbar a svg{width:24px;height:24px;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;}
.mobile-tabbar a.active{color:var(--c-primary);}
.mobile-tabbar a.active svg{stroke-width:2.2;}
.mobile-tabbar a.active::before{content:"";position:absolute;display:none;}
.mobile-tabbar a:active{transform:scale(.94);}
.tab-inner{display:flex;flex-direction:column;align-items:center;gap:3px;position:relative;}
.tab-inner::after{content:"";position:absolute;top:-2px;width:6px;height:6px;border-radius:50%;background:transparent;}
.mobile-tabbar a.active .tab-inner::after{background:rgba(15,169,140,.35);}
/* ---------- Responsive ---------- */
@media (max-width:1199.98px){
  .hero h1{font-size:44px;}
  .footer-grid{grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:30px;}
}
@media (max-width:991.98px){
  .section{padding:76px 0;}
  .hero{padding:76px 0 68px;}
  .hero-inner{grid-template-columns:1fr;gap:36px;}
  .hero-media{order:-1;}
  .hero-media img{aspect-ratio:16/9;}
  .hero h1{font-size:38px;}
  .metrics-grid{grid-template-columns:repeat(2,1fr);}
  .metric{border-left:0;border-top:1px solid var(--c-line);}
  .metric:nth-child(2n){border-left:1px solid var(--c-line);}
  .metric:nth-child(-n+2){border-top:0;}
  .svc-grid{grid-template-columns:1fr;}
  .svc-card.wide{grid-column:span 1;grid-template-columns:1fr;gap:20px;}
  .adv-grid{grid-template-columns:1fr;gap:36px;}
  .plan-card{grid-template-columns:1fr;gap:20px;}
  .plan-card:nth-child(2),.plan-card:nth-child(3){margin-top:0;}
  .news-row{grid-template-columns:210px 1fr;}
  .contact-grid{grid-template-columns:1fr;}
  .cta-inner{flex-direction:column;align-items:flex-start;padding:48px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;}
  .sec-head .sec-lead{text-align:left;max-width:100%;}
}
@media (max-width:767.98px){
  body{padding-top:56px;padding-bottom:74px;}
  .container-x{padding:0 16px;}
  .site-header{height:56px;}
  .header-inner{height:56px;gap:12px;}
  .brand{font-size:17px;}
  .brand-mark{width:28px;height:28px;}
  .nav-main,.header-cta{display:none;}
  .header-mini{display:inline-flex;margin-left:auto;}
  .mobile-tabbar{display:flex;}
  .hero{padding:48px 0 56px;}
  .hero h1{font-size:30px;line-height:1.3;}
  .hero-sub{font-size:15px;}
  .hero-actions{flex-direction:column;gap:12px;}
  .hero-actions .btn-x{width:100%;}
  .hero-media img{aspect-ratio:16/9;max-height:220px;}
  .section{padding:52px 0;}
  .sec-head h2{font-size:26px;}
  .metric-num{font-size:32px;}
  .metric{padding:24px 16px;}
  .adv-stat .num{font-size:34px;}
  .case-card{flex:0 0 82vw;height:206px;}
  .news-row{grid-template-columns:1fr;gap:16px;padding:16px;}
  .news-thumb img{aspect-ratio:16/9;}
  .faq-q{font-size:16px;padding:18px 18px;}
  .faq-a-inner{margin:0 18px 18px;padding-top:16px;}
  .form-card{padding:22px;}
  .form-card h2{font-size:23px;}
  .info-card{padding:22px;}
  .cta-inner h2{font-size:23px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .plan-card{padding:22px;}
  .svc-card{padding:22px;}
  .svc-card::before{left:22px;}
}
@media (max-width:575.98px){
  .hero h1{font-size:26px;}
  .metrics-grid{grid-template-columns:repeat(2,1fr);}
  .metric-num{font-size:28px;}
}
#contact,#services,#news,#faq,#cases,#plans{scroll-margin-top:84px;}

/* roulang page: article */
:root{
  --c-primary:#0FA98C;
  --c-primary-dark:#0A7C67;
  --c-primary-soft:#E4F6F1;
  --c-accent:#C7F04A;
  --c-cta:#FF7A2F;
  --c-cta-dark:#EE6A1E;
  --c-ink:#0E1A17;
  --c-text:#24312E;
  --c-muted:#5F6F6B;
  --c-line:#E2E8E4;
  --c-bg:#FAFBF8;
  --c-bg-alt:#F1F4EE;
  --r-sm:8px;
  --r-md:12px;
  --r-lg:16px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(14,26,23,.06);
  --sh-2:0 10px 28px rgba(14,26,23,.10);
  --bs-body-font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  --bs-body-color:#24312E;
  --bs-body-bg:#FAFBF8;
  --bs-primary:#0FA98C;
  --bs-link-color:#0FA98C;
  --bs-link-hover-color:#0A7C67;
  --bs-border-color:#E2E8E4;
  --bs-border-radius:12px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;scroll-padding-top:84px}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease,box-shadow .18s ease,transform .18s ease}
a:hover{color:var(--c-primary-dark)}
h1,h2,h3,h4{color:var(--c-ink);margin:0;letter-spacing:0}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.container-x{max-width:1200px;margin:0 auto;padding:0 24px;width:100%}
.num{font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(250,251,248,.92);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .18s ease;
}
.site-header.is-scrolled{box-shadow:0 2px 14px rgba(14,26,23,.07)}
.header-inner{
  display:flex;align-items:center;justify-content:space-between;
  gap:18px;height:68px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:32px;height:32px;border-radius:10px;background:var(--c-primary-soft)}
.brand-mark svg{width:20px;height:20px;stroke:var(--c-primary)}
.brand-text{font-size:19px;font-weight:800;color:var(--c-ink);white-space:nowrap}
.brand-text em{font-style:normal;color:var(--c-primary)}
.nav-main{display:flex;align-items:center;gap:2px}
.nav-main a{
  position:relative;display:inline-block;padding:8px 12px;
  font-size:15px;font-weight:500;color:var(--c-text);
}
.nav-main a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left center;
  transition:transform .18s ease;
}
.nav-main a:hover{color:var(--c-primary)}
.nav-main a:hover::after{transform:scaleX(1)}
.nav-main a.active{color:var(--c-primary)}
.nav-main a.active::after{transform:scaleX(1)}
.header-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 20px;border-radius:var(--r-md);
  background:var(--c-cta);color:#fff;font-size:14px;font-weight:600;
  box-shadow:var(--sh-1);flex-shrink:0;
}
.header-cta:hover{background:var(--c-cta-dark);color:#fff;transform:translateY(-1px)}
.header-cta:active{transform:translateY(0)}
.header-mini{display:none;align-items:center;justify-content:center;width:44px;height:44px;border-radius:var(--r-md);background:var(--c-primary-soft)}
.header-mini svg{width:22px;height:22px;stroke:var(--c-primary)}

/* ---------- article ---------- */
.article-wrap{padding:36px 0 96px}
.breadcrumb-x{
  display:flex;flex-wrap:wrap;align-items:center;gap:6px;
  font-size:14px;color:var(--c-muted);margin-bottom:26px;line-height:1.7;
}
.breadcrumb-x a{color:var(--c-muted)}
.breadcrumb-x a:hover{color:var(--c-primary)}
.breadcrumb-x svg{width:14px;height:14px;stroke:var(--c-muted);flex-shrink:0}
.breadcrumb-x .crumb-now{
  max-width:320px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:var(--c-text);
}
.article-title{
  font-size:40px;line-height:1.3;font-weight:800;color:var(--c-ink);
  max-width:820px;margin-bottom:18px;word-break:break-word;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;
  font-size:14px;color:var(--c-muted);
  padding-bottom:24px;border-bottom:1px solid var(--c-line);
}
.badge-cat{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--r-pill);background:var(--c-primary-soft);
  color:var(--c-primary-dark);font-size:13px;font-weight:600;line-height:1;
}
.meta-dot{width:4px;height:4px;border-radius:50%;background:#C6D1CC;display:inline-block}

.article-body{
  max-width:760px;margin:0 auto;padding:44px 0 8px;
  font-size:16px;line-height:1.9;color:var(--c-text);
  word-break:break-word;overflow-wrap:break-word;
}
.article-body p{margin:0 0 1.25em}
.article-body > *:first-child{margin-top:0}
.article-body h2{
  position:relative;font-size:26px;line-height:1.4;font-weight:700;color:var(--c-ink);
  margin:2em 0 .8em;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:var(--r-pill);
  background:var(--c-primary);
}
.article-body h3{font-size:20px;line-height:1.5;font-weight:600;color:var(--c-ink);margin:1.7em 0 .6em}
.article-body h4{font-size:18px;font-weight:600;color:var(--c-ink);margin:1.4em 0 .5em}
.article-body ul,.article-body ol{padding-left:1.4em;margin:0 0 1.25em;list-style:revert}
.article-body li{margin-bottom:.5em}
.article-body blockquote{
  margin:1.6em 0;padding:20px 22px;border-radius:0 var(--r-md) var(--r-md) 0;
  background:var(--c-primary-soft);border-left:4px solid var(--c-primary);color:var(--c-text);
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body a{color:var(--c-primary);border-bottom:1px solid rgba(15,169,140,.4)}
.article-body a:hover{color:var(--c-primary-dark);border-bottom-color:var(--c-primary-dark)}
.article-body img{border-radius:var(--r-md);margin:24px auto}
.article-body figure{margin:24px 0}
.article-body figcaption{font-size:13px;line-height:1.7;color:var(--c-muted);text-align:center;margin-top:10px}
.article-body strong{font-weight:700;color:var(--c-ink)}
.article-body hr{border:none;border-top:1px solid var(--c-line);margin:2.2em 0}
.article-body .table-scroll{overflow-x:auto;margin:1.6em 0;border:1px solid var(--c-line);border-radius:var(--r-md);background:#fff}
.article-body table{width:100%;border-collapse:collapse;min-width:520px}
.article-body th{background:var(--c-bg-alt);font-weight:600;text-align:left;padding:12px;border-bottom:1px solid var(--c-line);color:var(--c-ink)}
.article-body td{padding:12px;border-bottom:1px solid var(--c-line)}
.article-body tr:last-child td{border-bottom:none}

.article-empty{
  max-width:760px;margin:44px auto 0;padding:56px 28px;text-align:center;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);box-shadow:var(--sh-1);
}
.article-empty svg{width:46px;height:46px;stroke:var(--c-primary);margin:0 auto 16px}
.article-empty h2{font-size:22px;font-weight:700;margin-bottom:10px}
.article-empty p{font-size:15px;color:var(--c-muted);margin-bottom:22px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-md);
  border:1px solid var(--c-primary);color:var(--c-primary);
  font-size:15px;font-weight:600;background:transparent;
}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary-dark)}
.btn-ghost svg{width:18px;height:18px;stroke:currentColor}

/* ---------- relate ---------- */
.relate-section{max-width:1000px;margin:0 auto;padding:8px 0 0}
.relate-head{
  display:flex;align-items:baseline;justify-content:space-between;gap:16px;
  padding-top:36px;border-top:1px solid var(--c-line);margin-bottom:24px;
}
.relate-head h2{font-size:24px;font-weight:700}
.relate-head a{font-size:14px;font-weight:600}
.relate-card{
  display:flex;flex-direction:column;height:100%;background:#fff;
  border:1px solid var(--c-line);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--sh-1);transition:transform .18s ease,box-shadow .18s ease;
}
.relate-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.relate-card .thumb{position:relative;aspect-ratio:16/9;background:var(--c-bg-alt);overflow:hidden}
.relate-card .thumb img{width:100%;height:100%;object-fit:cover}
.relate-card .body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.relate-card h3{font-size:17px;line-height:1.55;font-weight:600;color:var(--c-ink);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.relate-card:hover h3{color:var(--c-primary)}
.relate-card .more{font-size:13px;font-weight:600;color:var(--c-primary);display:inline-flex;align-items:center;gap:6px;margin-top:auto}
.relate-card .more svg{width:15px;height:15px;stroke:currentColor;transition:transform .18s ease}
.relate-card:hover .more svg{transform:translateX(4px)}

.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:34px 0 26px;justify-content:center}
.tag-pill{
  display:inline-flex;align-items:center;height:32px;padding:0 16px;border-radius:var(--r-pill);
  background:var(--c-bg-alt);color:var(--c-muted);font-size:13px;font-weight:500;
  border:1px solid var(--c-line);
}
.tag-pill:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);border-color:var(--c-primary-soft)}
.back-row{display:flex;justify-content:center}

/* ---------- to top ---------- */
.to-top{
  position:fixed;right:24px;bottom:96px;z-index:70;
  width:56px;height:56px;border-radius:50%;border:none;
  background:var(--c-primary);color:#fff;display:inline-flex;align-items:center;justify-content:center;
  box-shadow:var(--sh-2);opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .18s ease,transform .18s ease,visibility .18s ease,background-color .18s ease;
  cursor:pointer;
}
.to-top svg{width:22px;height:22px;stroke:#fff}
.to-top.show{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{background:var(--c-primary-dark)}

/* ---------- footer ---------- */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.72);margin-top:0;padding:64px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.site-footer .brand-text{color:#fff}
.site-footer .brand-text em{color:var(--c-accent)}
.site-footer .brand-mark{background:rgba(255,255,255,.08)}
.site-footer .brand-mark svg{stroke:var(--c-accent)}
.footer-brand p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);margin:16px 0 20px;max-width:340px}
.social-row{display:flex;gap:10px}
.social-row a{
  display:inline-flex;align-items:center;justify-content:center;width:40px;height:40px;border-radius:var(--r-md);
  border:1px solid rgba(255,255,255,.12);background:rgba(255,255,255,.04);
}
.social-row a svg{width:18px;height:18px;stroke:rgba(255,255,255,.72)}
.social-row a:hover{border-color:var(--c-primary);background:rgba(15,169,140,.16)}
.social-row a:hover svg{stroke:var(--c-accent)}
.footer-col h4{color:#fff;font-size:16px;font-weight:600;margin-bottom:18px}
.footer-col ul li{margin-bottom:11px}
.footer-col ul li a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-col ul li a:hover{color:var(--c-accent)}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:rgba(255,255,255,.72);margin-bottom:12px}
.footer-contact svg{width:17px;height:17px;stroke:var(--c-accent);flex-shrink:0;margin-top:5px}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(255,255,255,.54);
}
.footer-bottom .links{display:flex;flex-wrap:wrap;gap:18px}
.footer-bottom a{color:rgba(255,255,255,.6);font-size:13px}
.footer-bottom a:hover{color:var(--c-accent)}

/* ---------- mobile tabbar ---------- */
.tabbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:90;
  background:#fff;border-top:1px solid var(--c-line);
  box-shadow:0 -2px 12px rgba(14,26,23,.06);
  padding-bottom:env(safe-area-inset-bottom);
}
.tabbar-inner{display:flex;align-items:stretch;height:58px}
.tabbar a{
  flex:1;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  font-size:11px;color:var(--c-muted);position:relative;
  transition:transform .12s ease,color .18s ease;
}
.tabbar a svg{width:24px;height:24px;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;fill:none}
.tabbar a.active{color:var(--c-primary)}
.tabbar a.active svg{stroke-width:2.2}
.tabbar a.active::before{
  content:"";position:absolute;top:9px;width:6px;height:6px;border-radius:50%;
  background:rgba(15,169,140,.28);
}
.tabbar a:active{transform:scale(.94)}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .footer-grid{gap:32px}
}
@media (max-width:991px){
  .container-x{padding:0 24px}
  .article-title{font-size:34px}
  .footer-grid{grid-template-columns:1fr 1fr}
  .nav-main a{padding:8px 9px;font-size:14px}
}
@media (max-width:767px){
  body{padding-bottom:74px}
  .container-x{padding:0 16px}
  .header-inner{height:56px}
  .brand-mark{width:28px;height:28px;border-radius:8px}
  .brand-text{font-size:17px}
  .nav-main{display:none}
  .header-cta{display:none}
  .header-mini{display:inline-flex}
  .article-wrap{padding:24px 0 64px}
  .breadcrumb-x{margin-bottom:20px;font-size:13px}
  .breadcrumb-x .crumb-now{max-width:190px}
  .article-title{font-size:26px;line-height:1.35;margin-bottom:14px}
  .article-meta{padding-bottom:18px;gap:8px 12px;font-size:13px}
  .article-body{padding:28px 0 4px;font-size:16px;line-height:1.9}
  .article-body h2{font-size:21px;padding-left:13px;margin:1.7em 0 .7em}
  .article-body h3{font-size:18px}
  .article-body blockquote{padding:16px 18px}
  .relate-section{padding-top:0}
  .relate-head{flex-direction:column;align-items:flex-start;gap:8px;padding-top:28px;margin-bottom:18px}
  .relate-head h2{font-size:20px}
  .tag-row{margin:26px 0 22px}
  .to-top{right:16px;bottom:88px;width:50px;height:50px}
  .tabbar{display:block}
  .site-footer{padding:48px 0 20px}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;margin-top:34px}
}
@media (max-width:520px){
  .article-title{font-size:23px}
  .brand-text{font-size:16px}
  .breadcrumb-x .crumb-now{max-width:140px}
}

/* roulang page: category1 */
:root{
  --c-primary:#0FA98C;
  --c-primary-dark:#0A7C67;
  --c-primary-soft:#E4F6F1;
  --c-accent:#C7F04A;
  --c-cta:#FF7A2F;
  --c-ink:#0E1A17;
  --c-text:#24312E;
  --c-muted:#5F6F6B;
  --c-line:#E2E8E4;
  --c-bg:#FAFBF8;
  --c-bg-alt:#F1F4EE;
  --r-sm:8px; --r-md:12px; --r-lg:16px; --r-pill:999px;
  --sh-1:0 1px 2px rgba(14,26,23,.06);
  --sh-2:0 10px 28px rgba(14,26,23,.10);
  --bs-primary:#0FA98C;
  --bs-primary-rgb:15,169,140;
  --bs-body-color:#24312E;
  --bs-body-bg:#FAFBF8;
  --bs-link-color:#0FA98C;
  --bs-link-hover-color:#0A7C67;
  --bs-border-color:#E2E8E4;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  padding-top:68px;
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color .18s ease,background-color .18s ease,border-color .18s ease,box-shadow .18s ease,transform .18s ease}
a:hover{color:var(--c-primary-dark)}
button{font:inherit}
h1,h2,h3,h4{margin:0;color:var(--c-ink);letter-spacing:0;font-weight:700}
h1{font-size:clamp(30px,4.4vw,48px);line-height:1.24;font-weight:800}
h2{font-size:clamp(24px,3vw,34px);line-height:1.3}
h3{font-size:clamp(19px,2vw,23px);line-height:1.45;font-weight:600}
h4{font-size:18px;line-height:1.5;font-weight:600}
p{margin:0 0 1.1em}
p:last-child{margin-bottom:0}
a:focus-visible,button:focus-visible,input:focus-visible,select:focus-visible,textarea:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:96px 0}
.section-alt{background:var(--c-bg-alt)}
.sec-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:40px}
.sec-head .lead-line{max-width:420px;color:var(--c-muted);font-size:15px;line-height:1.75;margin:0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--c-primary);letter-spacing:0;margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:3px;border-radius:var(--r-pill);background:var(--c-accent)}

/* ============ Header ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;height:68px;
  background:rgba(250,251,248,.92);
  -webkit-backdrop-filter:blur(8px);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .18s ease;
}
.site-header.is-stuck{box-shadow:0 6px 20px rgba(14,26,23,.07)}
.header-inner{height:68px;display:flex;align-items:center;gap:24px}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--c-ink);font-weight:800;font-size:19px;white-space:nowrap}
.brand:hover{color:var(--c-ink)}
.brand-mark{width:32px;height:32px;border-radius:10px;background:var(--c-primary-soft);display:inline-flex;align-items:center;justify-content:center;flex:0 0 auto}
.brand-mark svg{width:19px;height:19px;stroke:var(--c-primary)}
.brand-text em{font-style:normal;color:var(--c-primary)}
.nav-main{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-main a{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 12px;
  font-size:15px;font-weight:500;color:var(--c-text);border-radius:var(--r-sm);
}
.nav-main a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;border-radius:var(--r-pill);
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform .18s ease;
}
.nav-main a:hover{color:var(--c-primary)}
.nav-main a:hover::after{transform:scaleX(1)}
.nav-main a.active{color:var(--c-primary);font-weight:600}
.nav-main a.active::after{transform:scaleX(1)}
.header-cta{
  display:inline-flex;align-items:center;justify-content:center;height:40px;padding:0 20px;
  background:var(--c-cta);color:#fff;border-radius:var(--r-md);font-size:15px;font-weight:600;white-space:nowrap;
  box-shadow:var(--sh-1);
}
.header-cta:hover{background:#F0691C;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.header-mini{display:none;width:44px;height:44px;align-items:center;justify-content:center;border-radius:var(--r-md);background:var(--c-primary-soft)}
.header-mini svg{width:22px;height:22px;stroke:var(--c-primary)}

/* ============ Page hero ============ */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--c-bg-alt);
  border-bottom:1px solid var(--c-line);
  padding:56px 0 52px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(14,26,23,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(14,26,23,.03) 1px,transparent 1px);
  background-size:24px 24px;
}
.page-hero .inner{position:relative;display:grid;grid-template-columns:1fr 380px;gap:48px;align-items:center}
.breadcrumb-x{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:14px;color:var(--c-muted);margin-bottom:18px}
.breadcrumb-x a{color:var(--c-muted)}
.breadcrumb-x a:hover{color:var(--c-primary)}
.breadcrumb-x svg{width:12px;height:12px;stroke:var(--c-muted);flex:0 0 auto}
.page-hero h1{max-width:720px}
.page-hero .hero-sub{margin-top:18px;max-width:620px;font-size:16px;color:var(--c-muted)}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--c-line);font-size:13px;color:var(--c-text);
}
.tag-pill i{width:6px;height:6px;border-radius:50%;background:var(--c-accent);display:inline-block}
.hero-shot{position:relative;border-radius:var(--r-lg);overflow:hidden;border:8px solid rgba(15,169,140,.14);box-shadow:var(--sh-1)}
.hero-shot img{width:100%;aspect-ratio:16/9;object-fit:cover}

/* ============ Intro split ============ */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}
.split-media{border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--c-line);box-shadow:var(--sh-1)}
.split-media img{width:100%;aspect-ratio:4/3;object-fit:cover}
.split-copy h2{margin-bottom:18px}
.split-copy .kicker{font-size:13px;font-weight:600;color:var(--c-primary);margin-bottom:12px;display:block}
.mini-facts{display:grid;grid-template-columns:repeat(3,1fr);gap:16px;margin-top:28px}
.mini-fact{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);padding:16px 18px}
.mini-fact strong{display:block;font-size:24px;font-weight:800;color:var(--c-primary);font-variant-numeric:tabular-nums;line-height:1.3}
.mini-fact span{font-size:13px;color:var(--c-muted)}

/* ============ Feature rows ============ */
.feature-row{
  display:grid;grid-template-columns:56px 1fr;gap:24px;align-items:flex-start;
  padding:32px 0;border-bottom:1px solid var(--c-line);
}
.feature-row:first-of-type{border-top:1px solid var(--c-line)}
.feature-row h3{margin-bottom:10px}
.feature-row p{color:var(--c-muted);font-size:15px;margin:0}
.icon-round{
  width:56px;height:56px;border-radius:50%;background:var(--c-primary-soft);
  display:flex;align-items:center;justify-content:center;
}
.icon-round svg{width:26px;height:26px;stroke:var(--c-primary)}

/* ============ Timeline ============ */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;margin-top:16px}
.timeline::before{
  content:"";position:absolute;left:6%;right:6%;top:15px;height:2px;background:var(--c-primary-soft);
}
.tl-item{position:relative;padding-top:52px}
.tl-dot{
  position:absolute;top:0;left:0;width:32px;height:32px;border-radius:50%;
  background:var(--c-accent);border:3px solid var(--c-bg);box-shadow:0 0 0 2px var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-size:13px;font-weight:800;color:var(--c-ink);
  font-variant-numeric:tabular-nums;
}
.tl-item h4{margin-bottom:8px}
.tl-item p{font-size:14px;color:var(--c-muted);margin:0}

/* ============ Table ============ */
.table-wrap{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);
}
.table-scroll{overflow-x:auto}
.table-clean{margin:0;min-width:760px;border-collapse:collapse;width:100%}
.table-clean thead th{
  background:var(--c-bg-alt);font-weight:600;font-size:14px;color:var(--c-ink);
  padding:16px 20px;border:0;white-space:nowrap;
}
.table-clean tbody td{
  padding:18px 20px;border:0;border-top:1px solid var(--c-line);font-size:15px;color:var(--c-text);
  vertical-align:top;
}
.table-clean tbody tr{transition:background-color .18s ease}
.table-clean tbody tr:hover{background:var(--c-bg-alt)}
.table-clean td strong{color:var(--c-ink);font-weight:600}
.cell-note{color:var(--c-muted);font-size:14px}

/* ============ Accordion ============ */
.faq-wrap{max-width:860px;margin:0 auto}
.acc-item{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);margin-bottom:12px;overflow:hidden;transition:box-shadow .18s ease,border-color .18s ease}
.acc-item:has(.accordion-button:not(.collapsed)){border-color:rgba(15,169,140,.4);box-shadow:var(--sh-1)}
.accordion-button{
  width:100%;border:0;background:#fff;text-align:left;padding:20px 24px;
  font-size:17px;font-weight:600;color:var(--c-ink);display:flex;justify-content:space-between;align-items:center;gap:16px;
  border-radius:0;box-shadow:none;
}
.accordion-button::after{
  content:"";flex:0 0 auto;width:12px;height:12px;margin:0;
  border-right:2px solid var(--c-muted);border-bottom:2px solid var(--c-muted);
  transform:rotate(45deg);transition:transform .18s ease,border-color .18s ease;
}
.accordion-button:not(.collapsed){color:var(--c-primary);box-shadow:inset 4px 0 0 var(--c-primary);background:#fff}
.accordion-button:not(.collapsed)::after{transform:rotate(-135deg);border-color:var(--c-primary)}
.accordion-button:focus{box-shadow:none;outline:2px solid var(--c-primary);outline-offset:-2px}
.accordion-body{padding:0 24px 22px;color:var(--c-muted);font-size:15px}

/* ============ CTA ============ */
.cta-band{background:var(--c-primary-soft);border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);padding:72px 0}
.cta-inner{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px}
.cta-inner h2{max-width:640px}
.cta-inner p{margin:14px 0 0;color:var(--c-muted);max-width:640px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
.btn-solid,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 26px;
  border-radius:var(--r-md);font-size:16px;font-weight:600;border:1px solid transparent;
  transition:all .18s ease;min-width:150px;
}
.btn-solid{background:var(--c-cta);color:#fff}
.btn-solid:hover{background:#F0691C;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-2)}
.btn-ghost{background:transparent;border-color:var(--c-primary);color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary);color:#fff}
.btn-solid:active,.btn-ghost:active{transform:scale(.98)}

/* ============ Footer ============ */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.72);padding:64px 0 24px;font-size:14px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.site-footer .brand{color:#fff;font-size:18px}
.site-footer .brand:hover{color:#fff}
.site-footer .brand-mark{background:rgba(15,169,140,.18)}
.site-footer .brand-text em{color:var(--c-accent)}
.site-footer p{color:rgba(255,255,255,.62);line-height:1.9;margin-top:16px;max-width:320px}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:18px}
.footer-col ul{list-style:none;padding:0;margin:0}
.footer-col li{margin-bottom:12px}
.footer-col a{color:rgba(255,255,255,.72)}
.footer-col a:hover{color:var(--c-primary)}
.footer-contact li{display:flex;gap:10px;align-items:flex-start}
.footer-contact svg{width:18px;height:18px;stroke:var(--c-primary);flex:0 0 auto;margin-top:4px}
.social-row{display:flex;gap:12px;margin-top:22px}
.social-row a{
  width:40px;height:40px;border-radius:12px;border:1px solid rgba(255,255,255,.14);
  display:inline-flex;align-items:center;justify-content:center;
}
.social-row a:hover{background:rgba(15,169,140,.2);border-color:rgba(15,169,140,.5)}
.social-row svg{width:19px;height:19px;stroke:rgba(255,255,255,.8)}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;align-items:center;
  color:rgba(255,255,255,.55);font-size:13px;
}
.footer-bottom a{color:rgba(255,255,255,.62);margin-left:16px}
.footer-bottom a:first-child{margin-left:0}
.footer-bottom a:hover{color:var(--c-primary)}

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

@media (max-width:1199px){
  .page-hero .inner{grid-template-columns:1fr 320px;gap:36px}
}
@media (max-width:991px){
  .section{padding:72px 0}
  .page-hero{padding:44px 0 40px}
  .page-hero .inner{grid-template-columns:1fr;gap:28px}
  .hero-shot{max-width:520px}
  .split{grid-template-columns:1fr;gap:32px}
  .split-media{order:-1}
  .timeline{grid-template-columns:repeat(2,1fr);gap:28px 24px}
  .timeline::before{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  body{padding-top:56px;padding-bottom:74px}
  .container-x{padding:0 16px}
  .section{padding:52px 0}
  .site-header{height:56px}
  .header-inner{height:56px}
  .nav-main,.header-cta{display:none}
  .header-mini{display:inline-flex}
  .brand{font-size:17px}
  .brand-mark{width:28px;height:28px}
  .brand-mark svg{width:17px;height:17px}
  .page-hero{padding:34px 0 32px}
  .page-hero h1{font-size:26px}
  .hero-tags{margin-top:18px}
  .mini-facts{grid-template-columns:1fr 1fr;gap:12px}
  .feature-row{grid-template-columns:44px 1fr;gap:16px;padding:24px 0}
  .icon-round{width:44px;height:44px}
  .icon-round svg{width:22px;height:22px}
  .timeline{grid-template-columns:1fr;gap:0}
  .tl-item{padding:0 0 28px 48px}
  .tl-item::before{content:"";position:absolute;left:15px;top:32px;bottom:0;width:2px;background:var(--c-primary-soft)}
  .tl-item:last-child{padding-bottom:0}
  .tl-item:last-child::before{display:none}
  .tl-dot{top:0;left:0}
  .cta-band{padding:52px 0}
  .btn-solid,.btn-ghost{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .footer-bottom a{margin:0 16px 0 0}
  .mobile-tab{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:1040;
    background:#fff;border-top:1px solid var(--c-line);
    box-shadow:0 -2px 12px rgba(14,26,23,.06);
    padding-bottom:env(safe-area-inset-bottom);
  }
  .mobile-tab a{
    flex:1 1 0;height:58px;display:flex;flex-direction:column;align-items:center;justify-content:center;
    gap:3px;font-size:11px;color:var(--c-muted);transition:transform .12s ease,color .18s ease;
  }
  .mobile-tab a svg{width:24px;height:24px;stroke:currentColor;stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round}
  .mobile-tab a:active{transform:scale(.94)}
  .mobile-tab a.active{color:var(--c-primary)}
  .mobile-tab a.active svg{stroke-width:2.2}
}

/* roulang page: category2 */
:root{
  --c-primary:#0FA98C;
  --c-primary-dark:#0A7C67;
  --c-primary-soft:#E4F6F1;
  --c-accent:#C7F04A;
  --c-cta:#FF7A2F;
  --c-cta-dark:#E9651A;
  --c-ink:#0E1A17;
  --c-text:#24312E;
  --c-muted:#5F6F6B;
  --c-line:#E2E8E4;
  --c-bg:#FAFBF8;
  --c-bg-alt:#F1F4EE;
  --r-sm:8px; --r-md:12px; --r-lg:16px; --r-pill:999px;
  --sh-1:0 1px 2px rgba(14,26,23,.06);
  --sh-2:0 10px 28px rgba(14,26,23,.10);
  --t:.18s ease;
  --bs-primary:#0FA98C;
  --bs-body-color:#24312E;
  --bs-body-bg:#FAFBF8;
  --bs-border-color:#E2E8E4;
  --bs-link-color:#0FA98C;
  --bs-link-hover-color:#0A7C67;
  --bs-font-sans-serif:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:88px;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-text);
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t),background-color var(--t),border-color var(--t),transform var(--t);}
a:hover{color:var(--c-primary-dark);}
h1,h2,h3,h4{color:var(--c-ink);margin:0;letter-spacing:0;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
button,input,select,textarea{font:inherit;color:inherit;}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.grid-deco{
  background-image:linear-gradient(rgba(14,26,23,.035) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(14,26,23,.035) 1px,transparent 1px);
  background-size:24px 24px;
}

/* ============ header ============ */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:900;
  background:rgba(250,251,248,.92);
  -webkit-backdrop-filter:blur(8px);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow var(--t);
}
.site-header.is-stuck{box-shadow:0 6px 20px rgba(14,26,23,.08);}
.header-inner{display:flex;align-items:center;gap:26px;height:68px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--c-ink);font-weight:800;font-size:18px;letter-spacing:0;}
.brand:hover{color:var(--c-ink);}
.brand-mark{width:32px;height:32px;border-radius:10px;background:var(--c-primary-soft);display:grid;place-items:center;flex:0 0 auto;}
.brand-mark svg{width:18px;height:18px;stroke:var(--c-primary);}
.brand-text em{font-style:normal;color:var(--c-primary);}
.nav-main{display:flex;align-items:center;gap:26px;margin-left:auto;}
.nav-main a{
  position:relative;
  color:var(--c-text);
  font-size:15px;
  font-weight:500;
  padding:6px 0;
  line-height:1.2;
}
.nav-main a::after{
  content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;border-radius:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform var(--t);
}
.nav-main a:hover{color:var(--c-primary);}
.nav-main a:hover::after{transform:scaleX(1);}
.nav-main a.active{color:var(--c-primary);font-weight:600;}
.nav-main a.active::after{transform:scaleX(1);}
.header-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 20px;border-radius:var(--r-md);
  background:var(--c-cta);color:#fff;font-size:15px;font-weight:600;white-space:nowrap;
}
.header-cta:hover{background:var(--c-cta-dark);color:#fff;}
.header-mini{
  display:none;width:44px;height:44px;margin-left:auto;
  align-items:center;justify-content:center;border-radius:var(--r-md);
  border:1px solid var(--c-line);background:#fff;color:var(--c-ink);
}
.header-mini svg{width:21px;height:21px;stroke:currentColor;}
.header-mini:hover{border-color:var(--c-primary);color:var(--c-primary);}

/* ============ hero ============ */
.hero-cat{
  position:relative;
  margin-top:68px;
  padding:88px 0 72px;
  background-color:var(--c-ink);
  background-image:linear-gradient(92deg,rgba(14,26,23,.88) 0%,rgba(14,26,23,.62) 52%,rgba(14,26,23,.34) 100%),
                   url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.hero-cat::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:6px;
  background:linear-gradient(90deg,var(--c-primary),var(--c-accent));
}
.hero-cat .hero-inner{position:relative;z-index:2;max-width:760px;}
.crumb{display:flex;align-items:center;gap:8px;font-size:14px;color:rgba(255,255,255,.66);margin-bottom:22px;flex-wrap:wrap;}
.crumb a{color:rgba(255,255,255,.78);}
.crumb a:hover{color:var(--c-accent);}
.crumb span.sep{display:inline-flex;opacity:.6;}
.crumb svg{width:12px;height:12px;stroke:currentColor;}
.hero-cat h1{
  color:#fff;font-size:52px;line-height:1.22;font-weight:800;
}
.hero-cat h1 em{font-style:normal;color:var(--c-accent);}
.hero-lead{
  margin-top:18px;font-size:17px;line-height:1.8;color:rgba(255,255,255,.82);max-width:640px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-tags span{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.16);
  color:#fff;font-size:13px;
}
.hero-tags span i{width:6px;height:6px;border-radius:50%;background:var(--c-accent);display:inline-block;}

/* ============ 通用板块 ============ */
.section{padding:96px 0;}
.section-alt{background:var(--c-bg-alt);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap;}
.section-head h2{font-size:34px;line-height:1.3;font-weight:700;}
.section-head .head-note{font-size:15px;color:var(--c-muted);max-width:420px;line-height:1.7;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--c-primary);
  background:var(--c-primary-soft);border-radius:var(--r-pill);
  padding:6px 14px;margin-bottom:16px;
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--c-primary);display:inline-block;}

/* 要点条 */
.point-strip{
  display:grid;grid-template-columns:repeat(3,1fr);gap:0;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);overflow:hidden;
}
.point-item{padding:26px 28px;position:relative;}
.point-item + .point-item{border-left:1px solid var(--c-line);}
.point-item .num{
  display:inline-grid;place-items:center;width:30px;height:30px;border-radius:50%;
  background:var(--c-accent);color:var(--c-ink);font-size:14px;font-weight:800;
  margin-bottom:14px;font-variant-numeric:tabular-nums;
}
.point-item h3{font-size:18px;font-weight:600;margin-bottom:8px;}
.point-item p{font-size:14px;line-height:1.75;color:var(--c-muted);}

/* 卡片网格 */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.g-card{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh-1);height:100%;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.g-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#CFE3DC;}
.g-card:hover .g-card-cover img{transform:scale(1.04);}
.g-card-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--c-bg-alt);}
.g-card-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.g-card-body{padding:22px 22px 24px;display:flex;flex-direction:column;flex:1 1 auto;}
.g-badge{
  align-self:flex-start;
  display:inline-block;padding:4px 12px;border-radius:var(--r-pill);
  background:var(--c-primary-soft);color:var(--c-primary-dark);
  font-size:13px;font-weight:600;margin-bottom:12px;
}
.g-card h3{font-size:19px;font-weight:600;line-height:1.45;margin-bottom:10px;}
.g-card p{font-size:14px;line-height:1.78;color:var(--c-muted);margin-bottom:18px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.g-more{
  margin-top:auto;display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--c-primary);
}
.g-more svg{width:16px;height:16px;stroke:currentColor;transition:transform var(--t);}
.g-card:hover .g-more svg{transform:translateX(4px);}

/* FAQ */
.faq-wrap{max-width:860px;margin:0 auto;}
.accordion-item{
  background:#fff;border:1px solid var(--c-line)!important;border-radius:var(--r-lg)!important;
  overflow:hidden;margin-bottom:12px;
}
.accordion-item:last-child{margin-bottom:0;}
.accordion-button{
  background:#fff;color:var(--c-ink);
  font-size:17px;font-weight:600;line-height:1.6;
  padding:20px 24px;box-shadow:none!important;border-radius:0!important;
}
.accordion-button:not(.collapsed){
  background:#fff;color:var(--c-primary);
  box-shadow:inset 4px 0 0 var(--c-primary)!important;
}
.accordion-button::after{
  width:18px;height:18px;background-size:18px 18px;flex:0 0 18px;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 24 24' fill='none' stroke='%230FA98C' stroke-width='2' stroke-linecap='round' stroke-linejoin='round'%3E%3Cpath d='M6 9l6 6 6-6'/%3E%3C/svg%3E");
}
.accordion-button:not(.collapsed)::after{transform:rotate(180deg);}
.accordion-body{padding:4px 24px 22px;font-size:15px;line-height:1.85;color:var(--c-text);}

/* 跳转胶囊 */
.jump-row{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;}
.jump-link{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:24px 26px;border-radius:var(--r-lg);
  border:1px solid var(--c-line);background:#fff;box-shadow:var(--sh-1);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.jump-link:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:var(--c-primary);}
.jump-link .jump-txt span{display:block;font-size:13px;color:var(--c-muted);margin-bottom:6px;}
.jump-link .jump-txt strong{font-size:19px;color:var(--c-ink);font-weight:600;}
.jump-link .jump-arrow{
  width:42px;height:42px;border-radius:50%;flex:0 0 auto;
  background:var(--c-primary-soft);display:grid;place-items:center;
}
.jump-link .jump-arrow svg{width:20px;height:20px;stroke:var(--c-primary);}

/* CTA 带 */
.cta-band{
  background:var(--c-primary-soft);
  border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);
  padding:72px 0;
}
.cta-band .cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-band h2{font-size:30px;line-height:1.35;font-weight:700;max-width:640px;}
.cta-band p{margin-top:12px;font-size:15px;color:var(--c-muted);max-width:560px;}
.btn-outline-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-md);
  border:1px solid var(--c-primary);color:var(--c-primary);
  background:transparent;font-size:16px;font-weight:600;white-space:nowrap;
}
.btn-outline-x:hover{background:#fff;color:var(--c-primary-dark);border-color:var(--c-primary-dark);}
.btn-solid-x{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-md);
  background:var(--c-cta);border:1px solid var(--c-cta);color:#fff;
  font-size:16px;font-weight:600;white-space:nowrap;
}
.btn-solid-x:hover{background:var(--c-cta-dark);border-color:var(--c-cta-dark);color:#fff;}

/* ============ footer ============ */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.72);padding:64px 0 24px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .brand{color:#fff;font-size:18px;}
.footer-brand .brand:hover{color:#fff;}
.footer-brand .brand-text em{color:var(--c-accent);}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:320px;}
.social-row{display:flex;gap:12px;margin-top:20px;}
.social-row a{
  width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.10);
  color:rgba(255,255,255,.72);
}
.social-row a:hover{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}
.social-row svg{width:17px;height:17px;stroke:currentColor;}
.footer-col h4{color:#fff;font-size:16px;font-weight:600;margin-bottom:18px;}
.footer-col ul li{margin-bottom:11px;}
.footer-col ul a{color:rgba(255,255,255,.72);font-size:14px;}
.footer-col ul a:hover{color:var(--c-accent);}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.72);}
.footer-contact svg{width:16px;height:16px;stroke:var(--c-primary);flex:0 0 16px;margin-top:5px;}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.56);
}
.footer-bottom a{color:rgba(255,255,255,.72);}
.footer-bottom a:hover{color:var(--c-accent);}
.footer-bottom .fb-links{display:flex;gap:18px;flex-wrap:wrap;}

/* ============ 移动底部 Tab ============ */
.tabbar{display:none;}
@media (max-width:767px){
  body{padding-bottom:80px;}
  .tabbar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:950;
    background:#fff;border-top:1px solid var(--c-line);
    box-shadow:0 -2px 12px rgba(14,26,23,.06);
    padding-bottom:env(safe-area-inset-bottom);
  }
  .tabbar a{
    flex:1 1 0;min-height:58px;padding:7px 4px 6px;
    display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
    color:var(--c-muted);font-size:11px;line-height:1.2;
  }
  .tabbar a svg{width:24px;height:24px;stroke:currentColor;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round;fill:none;transition:transform .12s ease;}
  .tabbar a:active{transform:scale(.94);}
  .tabbar a.active{color:var(--c-primary);}
  .tabbar a.active svg{stroke-width:2.2;}
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .hero-cat h1{font-size:46px;}
}
@media (max-width:991px){
  .section{padding:72px 0;}
  .hero-cat{padding:72px 0 60px;}
  .hero-cat h1{font-size:40px;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:34px;}
  .point-strip{grid-template-columns:1fr;}
  .point-item + .point-item{border-left:0;border-top:1px solid var(--c-line);}
  .section-head h2{font-size:29px;}
  .cta-band h2{font-size:26px;}
}
@media (max-width:767px){
  .nav-main,.header-cta{display:none;}
  .header-mini{display:inline-flex;}
  .header-inner{height:56px;gap:12px;}
  .brand{font-size:17px;}
  .brand-mark{width:28px;height:28px;border-radius:9px;}
  .hero-cat{margin-top:56px;padding:56px 0 50px;}
  .hero-cat h1{font-size:31px;}
  .hero-lead{font-size:16px;}
  .section{padding:52px 0;}
  .container-x{padding:0 16px;}
  .card-grid{grid-template-columns:1fr;}
  .jump-row{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .site-footer{padding:52px 0 20px;}
  .section-head{margin-bottom:28px;}
  .section-head h2{font-size:25px;}
  .cta-band{padding:52px 0;}
  .cta-band .cta-inner{flex-direction:column;align-items:flex-start;}
  .btn-outline-x,.btn-solid-x{width:100%;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:520px){
  .hero-cat h1{font-size:27px;}
  .point-item{padding:22px 20px;}
}