/* roulang page: index */
:root{
  --brand:#0F6B54;
  --brand-dark:#083F32;
  --brand-light:#12A67C;
  --brand-tint:#DFF3EA;
  --accent:#FF6B35;
  --gold:#F2B31B;
  --bg:#FBFAF6;
  --ink:#0D1B17;
  --ink-2:#3A4A44;
  --ink-3:#7A8A83;
  --line:#E2E8E4;
  --line-2:#E7EDE9;
  --r-lg:24px;
  --r-md:16px;
  --r-img:20px;
  --sh-1:0 12px 32px rgba(13,27,23,.08);
  --sh-2:0 18px 44px rgba(13,27,23,.14);
  --grad:linear-gradient(120deg,#0F6B54 0%,#12A67C 45%,#FF6B35 100%);
  --font-cn:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",sans-serif;
  --font-num:"Barlow","DIN Alternate","SF Mono",ui-monospace,monospace;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{margin:0;font-family:var(--font-cn);font-size:16px;line-height:1.75;color:var(--ink);background:var(--bg);-webkit-font-smoothing:antialiased;}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--accent);}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.32;letter-spacing:-.01em;}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
:focus-visible{outline:3px solid rgba(15,107,84,.28);outline-offset:2px;border-radius:8px;}
::selection{background:var(--brand-tint);color:var(--brand-dark);}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:96px 0;}
.section-alt{background:#fff;}

/* ---------- header / nav ---------- */
.site-header{position:sticky;top:0;z-index:80;background:rgba(255,255,255,.94);backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);border-bottom:1px solid var(--line);transition:box-shadow .25s ease;}
.site-header.is-scrolled{box-shadow:0 8px 28px rgba(13,27,23,.09);}
.nav-wrap{display:flex;align-items:center;gap:20px;height:70px;}
.brand{display:flex;align-items:center;gap:10px;color:var(--ink);font-weight:900;font-size:17px;letter-spacing:-.02em;white-space:nowrap;flex-shrink:0;}
.brand:hover{color:var(--ink);}
.brand-mark{width:34px;height:34px;border-radius:11px;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:900;flex-shrink:0;}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:6px;}
.nav-link{position:relative;display:inline-flex;align-items:center;height:38px;padding:0 13px;font-size:15px;font-weight:500;color:var(--ink-2);border-radius:10px;transition:all .2s ease;}
.nav-link:hover{color:var(--brand);background:var(--brand-tint);}
.nav-link.is-active{color:var(--brand);font-weight:700;}
.nav-link.is-active::after{content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;border-radius:2px;background:var(--brand);}
.nav-tools{display:flex;align-items:center;gap:10px;margin-left:auto;}
.command-search{display:flex;align-items:center;gap:8px;height:40px;padding:0 12px;background:#F3F6F4;border:1px solid var(--line);border-radius:12px;transition:all .2s ease;}
.command-search:focus-within{background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,107,84,.14);}
.command-search i{color:var(--ink-3);font-size:13px;}
.command-search input{width:150px;border:0;background:transparent;outline:none;font-size:14px;font-family:inherit;color:var(--ink);}
.command-search input::placeholder{color:var(--ink-3);}
.kbd{font-family:var(--font-num);font-size:11px;line-height:1;padding:4px 6px;border:1px solid var(--line);border-radius:6px;background:#fff;color:var(--ink-3);}
.icon-btn{width:40px;height:40px;display:inline-flex;align-items:center;justify-content:center;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--ink-2);transition:all .2s ease;}
.icon-btn:hover{color:var(--brand);border-color:var(--brand);background:var(--brand-tint);}
.hamburger{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--ink);font-size:16px;cursor:pointer;}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 26px;border:1px solid transparent;border-radius:999px;font-size:15px;font-weight:700;cursor:pointer;white-space:nowrap;transition:all .22s ease;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px rgba(15,107,84,.22);}
.btn-primary:hover{background:var(--brand-dark);color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(15,107,84,.3);}
.btn-primary:active{transform:translateY(0);}
.btn-gradient{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(255,107,53,.24);}
.btn-gradient:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 32px rgba(255,107,53,.32);}
.btn-outline{background:#fff;color:var(--ink);border-color:#D9E2DD;}
.btn-outline:hover{color:var(--brand);border-color:var(--brand);transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--brand);height:auto;padding:0;font-weight:700;}
.btn-ghost i{transition:transform .22s ease;}
.btn-ghost:hover{color:var(--accent);}
.btn-ghost:hover i{transform:translateX(4px);}
.btn-sm{height:40px;padding:0 18px;font-size:14px;}
.btn-on-dark{background:#fff;color:var(--brand-dark);}
.btn-on-dark:hover{background:#fff;color:var(--accent);transform:translateY(-2px);}

/* ---------- badges ---------- */
.badge{display:inline-flex;align-items:center;gap:5px;height:28px;padding:0 12px;border-radius:999px;font-size:13px;font-weight:600;line-height:1;}
.badge-tint{background:var(--brand-tint);color:var(--brand);}
.badge-solid{background:var(--brand-dark);color:#fff;}
.badge-accent{background:rgba(255,107,53,.12);color:#C94A18;}
.badge-gold{border:1px solid var(--gold);color:#8A6410;background:#FFFBF0;}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;padding:72px 0 0;}
.hero-bg{position:absolute;inset:0;background:radial-gradient(circle at 86% 14%,rgba(18,166,124,.12),transparent 44%),radial-gradient(circle at 4% 88%,rgba(255,107,53,.09),transparent 40%),linear-gradient(180deg,#F4F8F5 0%,rgba(251,250,246,0) 72%);pointer-events:none;}
.hero-grid{position:relative;display:grid;grid-template-columns:1.04fr .96fr;gap:56px;align-items:center;}
.hero-eyebrow{display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;background:#fff;border:1px solid var(--line-2);color:var(--brand);font-size:13px;font-weight:700;box-shadow:var(--sh-1);}
.hero-eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--accent);}
.hero h1{margin:20px 0 18px;font-size:clamp(28px,4vw,44px);font-weight:900;line-height:1.24;letter-spacing:-.02em;color:var(--ink);}
.hero h1 em{font-style:normal;color:var(--brand);position:relative;}
.hero-sub{font-size:17px;line-height:1.8;color:var(--ink-2);max-width:560px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:26px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;}
.hero-visual{position:relative;}
.hero-visual img{width:100%;border-radius:var(--r-lg);box-shadow:var(--sh-2);aspect-ratio:16/11;object-fit:cover;}
.hero-float{position:absolute;left:-14px;bottom:28px;display:flex;align-items:center;gap:12px;padding:14px 18px;background:#fff;border-radius:var(--r-md);box-shadow:var(--sh-2);border:1px solid var(--line-2);}
.hero-float .fi{width:38px;height:38px;border-radius:12px;background:var(--brand-tint);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:16px;}
.hero-float strong{display:block;font-size:14px;line-height:1.3;}
.hero-float span{font-size:12px;color:var(--ink-3);}

.stat-strip{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:64px;}
.stat-card{position:relative;overflow:hidden;background:#fff;border:1px solid var(--line-2);border-radius:var(--r-md);padding:22px 24px;box-shadow:var(--sh-1);}
.stat-card::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad);}
.stat-num{font-family:var(--font-num);font-size:28px;font-weight:800;color:var(--brand);line-height:1.1;letter-spacing:-.02em;}
.stat-label{font-size:13px;color:var(--ink-3);margin-top:6px;}

/* ---------- section head ---------- */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.section-title{font-size:clamp(22px,2.6vw,30px);font-weight:900;}
.section-desc{font-size:15px;color:var(--ink-3);margin-top:10px;max-width:640px;line-height:1.75;}
.section-link{flex-shrink:0;}

/* ---------- collection cards ---------- */
.collection-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.collection-card{display:flex;flex-direction:column;gap:14px;padding:28px;background:#fff;border:1px solid var(--line-2);border-radius:var(--r-lg);box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;}
.collection-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-tint);}
.collection-top{display:flex;align-items:center;justify-content:space-between;gap:12px;}
.collection-icon{width:44px;height:44px;border-radius:14px;background:var(--brand-tint);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:17px;}
.collection-card h3{font-size:19px;font-weight:800;color:var(--ink);}
.collection-card p{font-size:14.5px;color:var(--ink-2);line-height:1.75;}
.collection-foot{display:flex;align-items:center;justify-content:space-between;margin-top:auto;padding-top:14px;border-top:1px dashed var(--line);}
.collection-foot span{font-size:13px;color:var(--ink-3);}
.collection-arrow{font-size:14px;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:6px;transition:gap .22s ease;}
.collection-card:hover .collection-arrow{gap:12px;color:var(--accent);}

/* ---------- feature grid ---------- */
.feature-grid{display:grid;grid-template-columns:1.45fr 1fr;gap:24px;align-items:stretch;}
.feature-main{position:relative;display:block;overflow:hidden;border-radius:var(--r-lg);background:#fff;border:1px solid var(--line-2);box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease;}
.feature-main:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.feature-main img{aspect-ratio:16/9;object-fit:cover;border-radius:0;}
.feature-main .fm-body{padding:26px 28px 28px;}
.feature-main h3{font-size:21px;margin-bottom:10px;color:var(--ink);}
.feature-main p{font-size:14.5px;color:var(--ink-2);}
.feature-side{display:grid;grid-template-rows:1fr 1fr;gap:24px;}
.feature-mini{display:flex;gap:16px;align-items:center;padding:16px;background:#fff;border:1px solid var(--line-2);border-radius:var(--r-lg);box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease;}
.feature-mini:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.feature-mini img{width:104px;height:96px;object-fit:cover;border-radius:var(--r-md);flex-shrink:0;}
.feature-mini h3{font-size:16px;margin-bottom:8px;color:var(--ink);}
.feature-mini span{font-size:13px;color:var(--ink-3);}
.feature-row{display:flex;align-items:center;gap:20px;margin-top:24px;padding:18px 24px;background:#fff;border:1px solid var(--line-2);border-radius:var(--r-lg);box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease;}
.feature-row:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.feature-row img{width:76px;height:64px;object-fit:cover;border-radius:14px;flex-shrink:0;}
.feature-row .fr-body{flex:1;min-width:0;}
.feature-row h3{font-size:16.5px;margin-bottom:6px;color:var(--ink);}
.feature-row p{font-size:14px;color:var(--ink-3);overflow:hidden;display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;}

/* ---------- CMS post list ---------- */
.post-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{background:#fff;border:1px solid var(--line-2);border-radius:var(--r-lg);box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;overflow:hidden;}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:var(--brand-tint);}
.post-link{display:block;height:100%;padding:24px;color:inherit;}
.post-link:hover{color:inherit;}
.post-meta{display:flex;align-items:center;gap:10px;margin-bottom:14px;flex-wrap:wrap;}
.post-date{font-family:var(--font-num);font-size:13px;color:var(--ink-3);}
.post-title{font-size:18px;font-weight:800;line-height:1.5;color:var(--ink);margin-bottom:10px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;}
.post-sum{font-size:14px;line-height:1.75;color:var(--ink-2);margin-bottom:18px;overflow:hidden;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;}
.post-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--brand);transition:gap .22s ease,color .22s ease;}
.post-card:hover .post-more{gap:12px;color:var(--accent);}
.empty-state{display:flex;flex-direction:column;align-items:center;gap:14px;padding:64px 24px;background:#fff;border:1px dashed var(--line);border-radius:var(--r-lg);text-align:center;}
.empty-icon{width:64px;height:64px;border-radius:20px;background:var(--brand-tint);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:24px;}
.empty-state p{font-size:15px;color:var(--ink-3);margin:0;}

/* ---------- recommend ---------- */
.rec-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.rec-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--line-2);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden;transition:transform .22s ease,box-shadow .22s ease;}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.rec-card img{aspect-ratio:16/10;object-fit:cover;border-radius:0;}
.rec-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rec-body h3{font-size:16px;line-height:1.5;color:var(--ink);}
.rec-body p{font-size:13.5px;color:var(--ink-3);line-height:1.7;}
.rec-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:auto;padding-top:12px;border-top:1px solid var(--line-2);}
.rec-foot time{font-family:var(--font-num);font-size:12.5px;color:var(--ink-3);}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto;}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;padding:22px 0;background:none;border:0;font-size:16px;font-weight:600;color:var(--ink);text-align:left;cursor:pointer;transition:color .2s ease;line-height:1.6;}
.faq-q:hover{color:var(--brand);}
.faq-q .faq-icon{color:var(--ink-3);font-size:15px;transition:transform .28s ease,color .28s ease;flex-shrink:0;}
.faq-item.is-open .faq-icon{transform:rotate(45deg);color:var(--brand);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease;}
.faq-item.is-open .faq-a{max-height:360px;}
.faq-a p{padding:0 40px 22px 0;font-size:15px;line-height:1.85;color:var(--ink-2);}

/* ---------- CTA ---------- */
.cta-banner{position:relative;overflow:hidden;display:flex;align-items:center;justify-content:space-between;gap:36px;padding:56px;border-radius:28px;background:var(--grad);color:#fff;box-shadow:0 24px 56px rgba(15,107,84,.22);}
.cta-banner::before{content:"";position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.07) 1px,transparent 1px);background-size:36px 36px;pointer-events:none;}
.cta-left{position:relative;max-width:620px;}
.cta-left h2{font-size:clamp(22px,2.6vw,32px);color:#fff;margin-bottom:12px;}
.cta-left p{font-size:15px;color:rgba(255,255,255,.9);margin:0;}
.cta-right{position:relative;display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.cta-icon{width:48px;height:48px;border-radius:14px;display:inline-flex;align-items:center;justify-content:center;background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.36);color:#fff;font-size:16px;cursor:pointer;transition:all .22s ease;}
.cta-icon:hover{background:#fff;color:var(--brand);}
.cta-icon:active{transform:scale(.94);}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-dark);color:#DCEAE3;margin-top:96px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;padding:72px 0 48px;}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-size:17px;font-weight:900;margin-bottom:16px;}
.footer-brand:hover{color:#fff;}
.footer-brand .brand-mark{background:rgba(255,255,255,.14);}
.footer-about{font-size:14px;line-height:1.85;color:rgba(220,234,227,.78);max-width:320px;}
.footer-col h4{font-size:15px;font-weight:800;color:#fff;margin-bottom:18px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:14px;color:rgba(220,234,227,.78);transition:color .2s ease,padding-left .2s ease;}
.footer-col a:hover{color:#fff;padding-left:4px;}
.footer-col p{font-size:14px;color:rgba(220,234,227,.78);line-height:1.85;}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:20px;padding:22px 0 28px;border-top:1px solid rgba(255,255,255,.12);font-size:13.5px;color:rgba(220,234,227,.66);flex-wrap:wrap;}
.to-top{display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:999px;border:1px solid rgba(255,255,255,.28);background:transparent;color:#fff;font-size:13.5px;cursor:pointer;transition:all .22s ease;}
.to-top:hover{background:#fff;color:var(--brand-dark);}

/* ---------- drawer ---------- */
.drawer{position:fixed;inset:0;z-index:200;background:rgba(8,63,50,.45);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;}
.drawer.is-open{opacity:1;visibility:visible;}
.drawer-panel{position:absolute;top:0;right:0;width:min(320px,86vw);height:100%;background:#fff;padding:24px;display:flex;flex-direction:column;gap:8px;transform:translateX(100%);transition:transform .3s ease;overflow-y:auto;}
.drawer.is-open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px;}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--ink);font-size:16px;cursor:pointer;}
.drawer-link{display:flex;align-items:center;min-height:48px;padding:0 14px;border-radius:12px;font-size:15px;font-weight:600;color:var(--ink-2);}
.drawer-link:hover,.drawer-link.is-active{background:var(--brand-tint);color:var(--brand);}
.drawer-cta{margin-top:14px;width:100%;}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .container{padding:0 24px;}
  .section{padding:64px 0;}
  .main-nav,.command-search{display:none;}
  .hamburger{display:inline-flex;align-items:center;justify-content:center;}
  .hero{padding-top:48px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero-visual{order:-1;}
  .hero-float{left:14px;bottom:-18px;}
  .stat-strip{margin-top:52px;grid-template-columns:repeat(2,1fr);}
  .collection-grid{grid-template-columns:1fr;}
  .feature-grid{grid-template-columns:1fr;}
  .post-grid{grid-template-columns:repeat(2,1fr);}
  .rec-grid{grid-template-columns:repeat(2,1fr);}
  .cta-banner{flex-direction:column;align-items:flex-start;padding:40px;gap:26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:40px 32px;padding:56px 0 36px;}
  .site-footer{margin-top:64px;}
}
@media (max-width:640px){
  .container{padding:0 16px;}
  .section{padding:48px 0;}
  .brand-text{font-size:15px;}
  .nav-wrap{gap:12px;height:64px;}
  .hero h1{font-size:26px;}
  .hero-sub{font-size:15.5px;}
  .hero-actions .btn{width:100%;}
  .hero-visual img{aspect-ratio:4/3;}
  .hero-float{position:static;margin-top:16px;}
  .stat-strip{gap:14px;}
  .stat-num{font-size:24px;}
  .post-grid,.rec-grid{grid-template-columns:1fr;}
  .feature-mini{flex-direction:row;}
  .feature-mini img{width:88px;height:84px;}
  .feature-row{flex-wrap:wrap;gap:14px;}
  .cta-banner{padding:32px 24px;border-radius:22px;}
  .cta-right .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;}
}

/* roulang page: article */
:root{
  --brand:#0F6B54;
  --brand-deep:#083F32;
  --brand-light:#DFF3EA;
  --accent:#FF6B35;
  --gold:#F2B31B;
  --bg:#FBFAF6;
  --card:#FFFFFF;
  --text:#0D1B17;
  --text-2:#3A4A44;
  --text-3:#7A8A83;
  --line:#E2E8E4;
  --line-soft:#E7EDE9;
  --radius-lg:24px;
  --radius-md:16px;
  --radius-img:20px;
  --shadow-1:0 12px 32px rgba(13,27,23,.08);
  --shadow-2:0 18px 44px rgba(13,27,23,.14);
  --grad:linear-gradient(120deg,#0F6B54 0%,#12A67C 45%,#FF6B35 100%);
  --container:1200px;
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei","Hiragino Sans GB",system-ui,-apple-system,sans-serif;
  --font-num:"Barlow","DIN Alternate","Helvetica Neue",Arial,sans-serif;
}
*,*::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:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,border-color .2s ease;}
a:hover{color:var(--accent);}
button{font:inherit;cursor:pointer;border:0;background:none;}
ul,ol{margin:0;}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:800;color:var(--text);}
p{margin:0;}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(15,107,84,.28);border-radius:8px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 16px;
}
@media(min-width:641px){.container{padding:0 24px;}}
@media(min-width:1024px){.container{padding:0 32px;}}
@media(min-width:1440px){.container{max-width:1280px;}}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(13,27,23,.08);}
.header-inner{display:flex;align-items:center;gap:20px;height:70px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-weight:800;font-size:17px;letter-spacing:.2px;white-space:nowrap;}
.brand:hover{color:var(--brand);}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  background:var(--grad);color:#fff;
  display:grid;place-items:center;
  font-size:16px;font-weight:800;
  box-shadow:0 6px 16px rgba(15,107,84,.28);
  flex:0 0 auto;
}
.main-nav{display:none;align-items:center;gap:4px;margin-left:6px;}
@media(min-width:1024px){.main-nav{display:inline-flex;}}
.nav-link{
  position:relative;display:inline-flex;align-items:center;
  padding:10px 12px;border-radius:10px;
  color:var(--text-2);font-size:15px;font-weight:600;
  transition:color .2s ease,background .2s ease;
}
.nav-link:hover{color:var(--brand);background:var(--brand-light);}
.nav-link.is-active{color:var(--brand);}
.nav-link.is-active::after{
  content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;
  border-radius:2px;background:var(--brand);
}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px;}
.command-search{
  display:none;align-items:center;gap:8px;
  height:42px;padding:0 12px;min-width:236px;
  border:1px solid var(--line);border-radius:999px;background:#fff;
  transition:border-color .2s ease,box-shadow .2s ease;
}
@media(min-width:1024px){.command-search{display:inline-flex;}}
.command-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,107,84,.16);}
.command-search i{color:var(--text-3);font-size:13px;}
.command-search input{
  border:0;outline:0;background:transparent;
  font-size:14px;font-family:var(--font-sans);color:var(--text);width:100%;
}
.command-search .kbd{
  font-family:var(--font-num);font-size:11px;letter-spacing:.4px;
  color:var(--text-3);border:1px solid var(--line);border-radius:6px;
  padding:1px 6px;background:#F7FAF8;flex:0 0 auto;
}
.icon-btn{
  width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--text-2);
  display:none;place-items:center;
  transition:color .2s ease,border-color .2s ease,transform .2s ease;
}
@media(min-width:1024px){.icon-btn{display:grid;}}
.icon-btn:hover{color:var(--brand);border-color:#C9DDD4;transform:translateY(-2px);}
.hamburger{
  width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--text);
  display:grid;place-items:center;
}
@media(min-width:1024px){.hamburger{display:none;}}
.hamburger:hover{color:var(--brand);border-color:#C9DDD4;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 24px;border-radius:999px;
  font-size:15px;font-weight:700;border:1px solid transparent;
  transition:transform .22s ease,background .22s ease,color .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 24px rgba(15,107,84,.22);}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 16px rgba(15,107,84,.2);}
.btn-outline{background:#fff;color:var(--brand);border-color:#D9E2DD;}
.btn-outline:hover{border-color:var(--brand);color:var(--brand-deep);transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--text-2);padding:12px 18px;}
.btn-ghost:hover{color:var(--brand);}
.btn-light{background:#fff;color:var(--brand-deep);box-shadow:0 10px 24px rgba(8,63,50,.18);}
.btn-light:hover{background:#F4FBF8;transform:translateY(-2px);}
.btn-block{width:100%;}
.header-cta{display:none;}
@media(min-width:1024px){.header-cta{display:inline-flex;}}

/* ---------- mobile drawer ---------- */
.mobile-drawer{
  position:fixed;inset:0;z-index:90;
  background:rgba(8,63,50,.42);
  opacity:0;visibility:hidden;
  transition:opacity .24s ease,visibility .24s ease;
}
.mobile-drawer.is-open{opacity:1;visibility:visible;}
.drawer-panel{
  position:absolute;top:0;right:0;
  width:min(88vw,340px);height:100%;
  background:#fff;padding:20px;
  display:flex;flex-direction:column;gap:16px;
  overflow-y:auto;
  transform:translateX(100%);
  transition:transform .28s ease;
}
.mobile-drawer.is-open .drawer-panel{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:12px;border-bottom:1px solid var(--line);}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);display:grid;place-items:center;color:var(--text-2);}
.drawer-close:hover{color:var(--accent);border-color:#F3CDBC;}
.drawer-nav{display:grid;gap:6px;}
.drawer-nav a{
  display:flex;align-items:center;min-height:48px;padding:0 14px;
  border-radius:12px;color:var(--text-2);font-weight:600;font-size:15px;
  background:#F7FAF8;
}
.drawer-nav a:hover{background:var(--brand-light);color:var(--brand-deep);}
.drawer-nav a.is-active{background:var(--brand-light);color:var(--brand-deep);}

/* ---------- article hero ---------- */
.article-hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#F1F9F5 0%,var(--bg) 100%);
  padding:26px 0 10px;
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  opacity:.10;pointer-events:none;
}
.article-hero .container{position:relative;z-index:1;}
.breadcrumb{font-size:13px;color:var(--text-3);margin-bottom:18px;}
.breadcrumb ol{list-style:none;display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:0;}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb li+li::before{content:"/";color:#C6D2CC;margin-right:8px;}
.crumb-current{
  display:inline-block;max-width:100%;
  overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  color:var(--text-2);vertical-align:bottom;
}
.article-head{max-width:840px;padding-bottom:6px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;border-radius:999px;
  font-size:13px;font-weight:700;
}
.badge-cat{background:var(--brand-light);color:var(--brand-deep);}
.article-head h1{
  font-size:clamp(26px,3.6vw,40px);
  line-height:1.3;font-weight:800;letter-spacing:-.2px;
  margin:14px 0 16px;
}
.meta-row{display:flex;flex-wrap:wrap;gap:8px 20px;font-size:13.5px;color:var(--text-3);}
.meta-row span{display:inline-flex;align-items:center;}
.meta-row i{color:var(--brand);margin-right:6px;}
.head-actions{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;padding-bottom:8px;}

/* ---------- article layout ---------- */
.article-main{padding:48px 0 0;}
.article-layout{display:grid;grid-template-columns:1fr;gap:28px;}
@media(min-width:1024px){
  .article-layout{grid-template-columns:236px minmax(0,800px);gap:48px;justify-content:center;}
}
.article-side{display:none;}
@media(min-width:1024px){
  .article-side{display:block;position:sticky;top:96px;align-self:start;}
}
.side-card{
  background:var(--card);border:1px solid var(--line-soft);
  border-radius:var(--radius-md);padding:20px;
  box-shadow:var(--shadow-1);margin-bottom:20px;
}
.side-title{font-size:14px;font-weight:800;color:var(--brand-deep);margin-bottom:12px;letter-spacing:.4px;}
.side-dl{margin:0;font-size:13.5px;}
.side-dl dt{color:var(--text-3);margin-top:10px;}
.side-dl dt:first-child{margin-top:0;}
.side-dl dd{margin:3px 0 0;color:var(--text);font-weight:600;word-break:break-word;}
.side-links{list-style:none;padding:0;display:grid;gap:8px;}
.side-links a{
  display:flex;align-items:center;gap:8px;
  min-height:40px;font-size:14px;color:var(--text-2);
  border-bottom:1px dashed var(--line);
}
.side-links li:last-child a{border-bottom:0;}
.side-links a:hover{color:var(--brand);}
.side-links i{font-size:12px;color:var(--brand);}

.article-figure{margin:0 0 28px;}
.article-figure img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--radius-img);
  box-shadow:var(--shadow-1);
}
.article-figure figcaption{font-size:13px;color:var(--text-3);margin-top:10px;text-align:center;}

.article-body{
  background:var(--card);
  border:1px solid var(--line-soft);
  border-radius:var(--radius-lg);
  padding:28px 22px;
  box-shadow:var(--shadow-1);
}
@media(min-width:641px){.article-body{padding:40px 44px;}}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  font-size:24px;line-height:1.4;font-weight:800;
  margin:36px 0 14px;padding-left:14px;
  border-left:4px solid var(--brand);border-radius:2px;
}
.article-body h3{font-size:19px;font-weight:700;margin:26px 0 10px;color:var(--brand-deep);}
.article-body h4{font-size:17px;font-weight:700;margin:22px 0 8px;}
.article-body p{margin:0 0 18px;color:var(--text-2);}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:22px;color:var(--text-2);}
.article-body li{margin-bottom:8px;}
.article-body a{color:var(--brand);border-bottom:1px solid rgba(15,107,84,.32);}
.article-body a:hover{color:var(--accent);border-bottom-color:rgba(255,107,53,.5);}
.article-body strong{color:var(--text);font-weight:700;}
.article-body blockquote{
  margin:0 0 20px;padding:16px 20px;
  background:var(--brand-light);
  border-left:4px solid var(--brand);
  border-radius:0 14px 14px 0;
  color:var(--brand-deep);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--radius-img);margin:8px 0 12px;}
.article-body table{width:100%;border-collapse:collapse;margin:0 0 20px;font-size:14.5px;}
.article-body th,.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);text-align:left;}
.article-body th{background:#F2F7F5;color:var(--brand-deep);font-weight:700;}
.article-body code{
  background:#EFF4F1;padding:2px 6px;border-radius:6px;
  font-size:14px;font-family:var(--font-num);
}
.article-body pre{
  background:#0D1B17;color:var(--brand-light);
  padding:18px;border-radius:14px;overflow:auto;margin:0 0 20px;
}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0;}
.article-body figure{margin:0 0 20px;}

.empty-state{text-align:center;padding:56px 20px;}
.empty-icon{
  width:64px;height:64px;border-radius:20px;
  background:var(--brand-light);color:var(--brand);
  display:grid;place-items:center;margin:0 auto 18px;font-size:26px;
}
.empty-state h2{font-size:22px;margin-bottom:10px;}
.empty-state p{color:var(--text-2);margin-bottom:22px;}

/* ---------- sections ---------- */
.section{padding:64px 0;}
@media(min-width:1024px){.section{padding:96px 0;}}
.section-tight{padding:24px 0;}
@media(min-width:1024px){.section-tight{padding:32px 0;}}
.section-head{max-width:740px;margin-bottom:32px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--brand);
  background:var(--brand-light);border-radius:999px;padding:5px 14px;margin-bottom:14px;
}
.section-head h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:10px;}
.section-head p{color:var(--text-2);}

.card-grid{display:grid;gap:24px;grid-template-columns:1fr;}
@media(min-width:641px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(min-width:1024px){.card-grid{grid-template-columns:repeat(3,minmax(0,1fr));}}
.link-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--card);border:1px solid var(--line-soft);
  border-radius:var(--radius-lg);padding:24px;
  box-shadow:var(--shadow-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.link-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-2);border-color:#CFE4DA;}
.link-card h3{font-size:18px;margin:14px 0 8px;}
.link-card h3 a{color:var(--text);}
.link-card:hover h3 a{color:var(--brand);}
.link-card p{font-size:14px;color:var(--text-2);margin-bottom:18px;}
.read-more{
  margin-top:auto;display:inline-flex;align-items:center;gap:8px;
  color:var(--brand);font-weight:700;font-size:14px;
}
.read-more i{transition:transform .22s ease;}
.link-card:hover .read-more i{transform:translateX(4px);}

.back-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:center;}

/* ---------- CTA banner ---------- */
.cta-banner{
  position:relative;overflow:hidden;
  border-radius:28px;
  background:var(--grad);
  color:#fff;
  padding:36px 24px;
  display:grid;gap:24px;
  box-shadow:0 20px 48px rgba(15,107,84,.22);
}
@media(min-width:768px){
  .cta-banner{grid-template-columns:minmax(0,1fr) auto;align-items:center;padding:44px 48px;}
}
.cta-banner::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle at 86% 18%,rgba(255,255,255,.20),transparent 56%);
  pointer-events:none;
}
.cta-copy{position:relative;z-index:1;}
.cta-copy h2{color:#fff;font-size:clamp(20px,2.4vw,26px);margin-bottom:10px;}
.cta-copy p{color:rgba(255,255,255,.88);font-size:15px;margin:0;}
.cta-actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:12px;align-items:center;}
.icon-group{display:flex;gap:10px;}
.icon-ghost{
  width:44px;height:44px;border-radius:999px;
  display:grid;place-items:center;
  background:rgba(255,255,255,.16);color:#fff;
  border:1px solid rgba(255,255,255,.34);
  transition:background .22s ease,color .22s ease,transform .22s ease;
}
.icon-ghost:hover{background:#fff;color:var(--brand-deep);transform:translateY(-2px);}

/* ---------- footer ---------- */
.site-footer{background:var(--brand-deep);color:#DCEAE4;padding:64px 0 24px;}
.footer-grid{display:grid;gap:32px;grid-template-columns:1fr;}
@media(min-width:641px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.2fr;}}
.footer-brand{
  display:inline-flex;align-items:center;gap:10px;
  color:#fff;font-weight:800;font-size:17px;margin-bottom:14px;
}
.footer-brand:hover{color:#fff;}
.footer-brand .brand-mark{background:rgba(255,255,255,.14);box-shadow:none;}
.footer-about{color:#A9C4BA;font-size:14px;line-height:1.85;margin:0;max-width:38ch;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:14px;font-weight:700;}
.footer-col ul{list-style:none;padding:0;display:grid;gap:10px;}
.footer-col a{color:#A9C4BA;font-size:14px;}
.footer-col a:hover{color:#fff;}
.footer-col p{color:#A9C4BA;font-size:14px;line-height:1.85;margin-bottom:10px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:14px;
  justify-content:space-between;align-items:center;
  border-top:1px solid rgba(255,255,255,.12);
  margin-top:40px;padding-top:20px;
  font-size:13px;color:#8FB0A4;
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;
  min-height:44px;padding:10px 18px;border-radius:999px;
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.18);
  color:#fff;font-size:13px;
  transition:background .22s ease,transform .22s ease;
}
.to-top:hover{background:rgba(255,255,255,.2);transform:translateY(-2px);}

/* ---------- toast ---------- */
.toast{
  position:fixed;left:50%;bottom:32px;transform:translate(-50%,16px);
  background:var(--brand-deep);color:#fff;
  padding:12px 22px;border-radius:999px;
  font-size:14px;z-index:120;
  opacity:0;visibility:hidden;pointer-events:none;
  transition:opacity .24s ease,transform .24s ease,visibility .24s ease;
  box-shadow:0 14px 34px rgba(13,27,23,.24);
}
.toast.is-show{opacity:1;visibility:visible;transform:translate(-50%,0);}

@media(max-width:640px){
  .article-hero::before{display:none;}
  .section-head{margin-bottom:24px;}
  .cta-banner{border-radius:22px;}
  .btn{padding:12px 20px;}
}

/* roulang page: category1 */
:root{
  --brand:#0F6B54;
  --brand-deep:#083F32;
  --brand-light:#DFF3EA;
  --brand-mid:#12A67C;
  --accent:#FF6B35;
  --gold:#F2B31B;
  --bg:#FBFAF6;
  --card:#FFFFFF;
  --ink:#0D1B17;
  --ink-2:#3A4A44;
  --ink-3:#7A8A83;
  --line:#E2E8E4;
  --line-soft:#E7EDE9;
  --radius-lg:24px;
  --radius-md:16px;
  --radius-img:20px;
  --radius-pill:999px;
  --shadow-sm:0 6px 18px rgba(13,27,23,.06);
  --shadow:0 12px 32px rgba(13,27,23,.08);
  --shadow-lg:0 18px 44px rgba(13,27,23,.14);
  --grad:linear-gradient(120deg,#0F6B54 0%,#12A67C 45%,#FF6B35 100%);
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei","Helvetica Neue",Arial,sans-serif;
  --font-num:"Barlow","DIN Alternate","Helvetica Neue",Arial,sans-serif;
  --gutter:28px;
}

*,*::before,*::after{box-sizing:border-box;}

html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}

body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .22s ease;}
a:hover{color:var(--accent);}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;font-weight:800;color:var(--ink);line-height:1.3;letter-spacing:-.01em;}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
button{font-family:inherit;cursor:pointer;}
input{font-family:inherit;}
:focus-visible{outline:3px solid rgba(15,107,84,.32);outline-offset:2px;border-radius:8px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:32px;
  padding-right:32px;
}

.skip-link{
  position:absolute;left:-9999px;top:0;z-index:200;
  background:var(--brand);color:#fff;padding:10px 16px;border-radius:0 0 12px 0;font-size:14px;
}
.skip-link:focus{left:0;color:#fff;}

/* ============ 顶部命令栏 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.94);
  border-bottom:1px solid var(--line);
  backdrop-filter:blur(10px);
  transition:box-shadow .22s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 26px rgba(13,27,23,.08);}

.header-inner{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:70px;
  padding-top:8px;padding-bottom:8px;
}

.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;
  display:flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:var(--grad);
  color:#fff;font-weight:900;font-size:18px;letter-spacing:0;
  box-shadow:0 6px 16px rgba(15,107,84,.24);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:16px;font-weight:900;color:var(--ink);letter-spacing:-.01em;}
.brand-sub{font-size:11px;color:var(--ink-3);letter-spacing:.08em;font-family:var(--font-num);text-transform:uppercase;}

.main-nav{display:flex;align-items:center;gap:4px;}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  padding:9px 14px;border-radius:var(--radius-pill);
  font-size:15px;color:var(--ink-2);font-weight:500;
  transition:color .22s ease,background .22s ease;
}
.nav-link:hover{color:var(--brand);background:var(--brand-light);}
.nav-link.is-active{color:var(--brand);font-weight:700;background:var(--brand-light);}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  border-radius:2px;background:var(--brand);
}

.nav-actions{display:flex;align-items:center;gap:10px;}

.command-search{
  display:flex;align-items:center;gap:8px;
  width:230px;
  padding:8px 12px;
  border:1px solid transparent;
  border-radius:12px;
  background:#F1F5F2;
  transition:background .22s ease,border-color .22s ease,box-shadow .22s ease,width .22s ease;
}
.command-search i{color:var(--ink-3);font-size:13px;}
.command-search input{
  flex:1;min-width:0;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--ink);
}
.command-search input::placeholder{color:var(--ink-3);}
.command-search .kbd{
  font-family:var(--font-num);font-size:11px;line-height:1;
  padding:4px 6px;border-radius:6px;background:#fff;color:var(--ink-3);
  border:1px solid var(--line);
}
.command-search:focus-within{
  background:#fff;border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(15,107,84,.16);
}

.icon-btn{
  width:38px;height:38px;flex:0 0 38px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;border:1px solid var(--line-soft);background:#fff;
  color:var(--ink-2);font-size:15px;
  transition:color .22s ease,border-color .22s ease,transform .22s ease,background .22s ease;
}
.icon-btn:hover{color:var(--brand);border-color:var(--brand);transform:translateY(-2px);}
.icon-btn:active{transform:translateY(0);}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:700;line-height:1.2;
  border:1px solid transparent;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 24px rgba(15,107,84,.22);}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(15,107,84,.28);}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(15,107,84,.22);}
.btn-grad{background:var(--grad);color:#fff;box-shadow:0 12px 28px rgba(15,107,84,.24);}
.btn-grad:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,107,53,.28);}
.btn-outline{background:#fff;border-color:#D9E2DD;color:var(--ink-2);}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}
.btn-ghost{background:transparent;color:var(--brand);padding:10px 4px;font-weight:700;}
.btn-ghost i{transition:transform .22s ease;}
.btn-ghost:hover{color:var(--accent);}
.btn-ghost:hover i{transform:translateX(4px);}
.btn-sm{padding:10px 18px;font-size:14px;}

.nav-cta{padding:11px 22px;font-size:14px;}
.nav-toggle{
  display:none;
  width:40px;height:40px;align-items:center;justify-content:center;
  border-radius:12px;border:1px solid var(--line-soft);background:#fff;color:var(--ink);
  font-size:16px;
}
.nav-toggle:hover{border-color:var(--brand);color:var(--brand);}

/* 抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(8,63,50,.42);z-index:80;
  opacity:0;transition:opacity .25s ease;
}
.drawer-mask.is-open{opacity:1;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:90;
  width:min(340px,88vw);
  background:#fff;
  transform:translateX(102%);
  transition:transform .3s cubic-bezier(.4,0,.2,1);
  padding:22px 22px 32px;
  display:flex;flex-direction:column;gap:18px;
  box-shadow:-18px 0 44px rgba(13,27,23,.16);
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{
  width:38px;height:38px;border-radius:12px;border:1px solid var(--line-soft);background:#fff;color:var(--ink);
}
.drawer-close:hover{color:var(--brand);border-color:var(--brand);}
.drawer-nav{display:flex;flex-direction:column;gap:6px;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 16px;border-radius:14px;color:var(--ink-2);font-weight:600;font-size:15px;
  background:#F6F9F7;
}
.drawer-nav a:hover,.drawer-nav a.is-active{background:var(--brand-light);color:var(--brand);}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:10px;}
.drawer-foot .btn{width:100%;}

/* ============ 通用板块 ============ */
.section{padding:96px 0;}
.section-tight{padding:72px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:12px;}
.section-head p{color:var(--ink-2);font-size:15.5px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-family:var(--font-num);font-size:12px;font-weight:700;letter-spacing:.14em;text-transform:uppercase;
  color:var(--brand);margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--accent);}

.grid-padding-x>.cell{padding-left:14px;padding-right:14px;}
.grid-padding-y>.cell{padding-top:14px;padding-bottom:14px;}
.grid-padding-x{margin-left:-14px;margin-right:-14px;}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;border-radius:var(--radius-pill);
  background:var(--brand-light);color:var(--brand);
  font-size:12.5px;font-weight:700;line-height:1;
}
.badge-accent{background:#FFEDE5;color:#C1441A;}
.badge-dark{background:var(--brand-deep);color:#EAF6F1;}
.badge-gold{background:#FFF6E0;color:#8A5F00;border:1px solid rgba(242,179,27,.5);}
.badge-ghost{background:#fff;color:var(--ink-2);border:1px solid var(--line);}

/* ============ 栏目头 Hero ============ */
.page-hero{
  position:relative;
  overflow:hidden;
  color:#fff;
  background-image:
    linear-gradient(120deg,rgba(8,63,50,.94) 0%,rgba(15,107,84,.90) 42%,rgba(255,107,53,.74) 100%),
    url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
  padding:64px 0 72px;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle at 84% 18%,rgba(255,255,255,.16),transparent 42%),
                   radial-gradient(circle at 10% 88%,rgba(255,255,255,.10),transparent 40%);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}

.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.76);margin-bottom:22px;}
.crumbs a{color:rgba(255,255,255,.86);}
.crumbs a:hover{color:#fff;}
.crumbs .sep{opacity:.55;}
.crumbs .current{color:#fff;font-weight:600;}

.hero-layout{display:flex;flex-wrap:wrap;gap:44px;align-items:center;}
.hero-copy{flex:1 1 420px;min-width:280px;}
.hero-media{flex:1 1 380px;min-width:260px;}

.page-hero h1{
  font-size:clamp(28px,4vw,44px);
  font-weight:900;
  color:#fff;
  margin-bottom:16px;
  letter-spacing:-.02em;
}
.hero-sub{font-size:16.5px;line-height:1.8;color:rgba(255,255,255,.9);max-width:600px;margin-bottom:24px;}

.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:26px;}
.hero-badges .badge{background:rgba(255,255,255,.14);color:#fff;border:1px solid rgba(255,255,255,.26);}

.hero-cta{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.page-hero .btn-outline{background:rgba(255,255,255,.10);border-color:rgba(255,255,255,.46);color:#fff;}
.page-hero .btn-outline:hover{background:#fff;color:var(--brand-deep);border-color:#fff;}

.hero-figure{
  position:relative;
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:0 26px 60px rgba(4,32,25,.36);
  border:1px solid rgba(255,255,255,.24);
  aspect-ratio:16/10;
  background:rgba(255,255,255,.08);
}
.hero-figure img{width:100%;height:100%;object-fit:cover;border-radius:0;}
.hero-float{
  position:absolute;left:18px;bottom:18px;
  display:flex;align-items:center;gap:12px;
  padding:12px 16px;border-radius:16px;
  background:rgba(255,255,255,.94);
  box-shadow:var(--shadow);
}
.hero-float .num{font-family:var(--font-num);font-size:22px;font-weight:700;color:var(--brand);line-height:1;}
.hero-float .label{font-size:12.5px;color:var(--ink-2);line-height:1.3;}

/* 数据徽章带 */
.stat-strip{margin-top:44px;position:relative;z-index:2;}
.stat-card{
  position:relative;
  background:#fff;
  border-radius:var(--radius-md);
  border:1px solid var(--line-soft);
  box-shadow:var(--shadow);
  padding:18px 20px 16px;
  overflow:hidden;
  height:100%;
}
.stat-card::before{
  content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad);
}
.stat-num{
  font-family:var(--font-num);font-size:24px;font-weight:700;color:var(--brand);line-height:1.1;
  display:flex;align-items:baseline;gap:4px;
}
.stat-num small{font-size:13px;font-weight:600;color:var(--ink-3);font-family:var(--font-sans);}
.stat-label{font-size:12.5px;color:var(--ink-3);margin-top:6px;line-height:1.5;}

/* 锚点导航 */
.anchor-nav{
  display:flex;flex-wrap:wrap;gap:10px;
  margin-top:30px;position:relative;z-index:2;
}
.anchor-nav a{
  display:inline-flex;align-items:center;gap:7px;
  padding:9px 16px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
  color:#fff;font-size:14px;font-weight:600;
}
.anchor-nav a:hover{background:#fff;color:var(--brand-deep);border-color:#fff;}

/* ============ 目录卡阵 ============ */
.toc-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--card);
  border:1px solid var(--line-soft);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  padding:24px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.toc-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#CFE5DB;}
.toc-card .badge{align-self:flex-start;margin-bottom:14px;}
.toc-card h3{font-size:19px;margin-bottom:10px;}
.toc-card p{font-size:14.5px;color:var(--ink-2);line-height:1.75;margin-bottom:18px;}
.toc-card .toc-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:16px;border-top:1px solid var(--line-soft);
  font-size:13.5px;color:var(--ink-3);
}
.toc-card .toc-foot .go{display:inline-flex;align-items:center;gap:7px;color:var(--brand);font-weight:700;}
.toc-card .toc-foot .go i{transition:transform .22s ease;}
.toc-card:hover .toc-foot .go i{transform:translateX(4px);}

/* 侧栏 */
.side-card{
  background:var(--card);
  border:1px solid var(--line-soft);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  padding:24px;
  margin-bottom:24px;
}
.side-card h3{font-size:17px;margin-bottom:16px;}
.side-list{display:flex;flex-direction:column;gap:14px;}
.side-list li{display:flex;align-items:flex-start;justify-content:space-between;gap:14px;font-size:14px;color:var(--ink-2);}
.side-list li span:last-child{font-family:var(--font-num);font-weight:700;color:var(--brand);white-space:nowrap;}
.side-note{
  background:var(--brand-light);
  border-radius:var(--radius-md);
  padding:18px;
  font-size:14px;color:#0B4A3B;line-height:1.75;
}
.side-note i{color:var(--brand);margin-right:6px;}
.sticky-wrap{position:sticky;top:96px;}

/* ============ 步骤/流程 ============ */
.step-list{display:flex;flex-direction:column;gap:18px;}
.step-item{
  display:flex;gap:20px;align-items:flex-start;
  background:var(--card);
  border:1px solid var(--line-soft);
  border-radius:var(--radius-lg);
  padding:24px;
  box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease;
}
.step-item:hover{transform:translateY(-3px);box-shadow:var(--shadow);}
.step-index{
  flex:0 0 48px;width:48px;height:48px;border-radius:14px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-light);color:var(--brand);
  font-family:var(--font-num);font-size:19px;font-weight:700;
}
.step-item h3{font-size:18px;margin-bottom:8px;}
.step-item p{font-size:14.5px;color:var(--ink-2);}

/* ============ FAQ ============ */
.faq-wrap{
  background:var(--card);
  border:1px solid var(--line-soft);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
  padding:12px 28px;
}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:last-child{border-bottom:0;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 0;background:none;border:0;text-align:left;
  font-size:16px;font-weight:600;color:var(--ink);line-height:1.6;
  transition:color .22s ease;
}
.faq-q:hover{color:var(--brand);}
.faq-q .sign{
  flex:0 0 30px;width:30px;height:30px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand-light);color:var(--brand);font-size:13px;
  transition:transform .28s ease,background .28s ease,color .28s ease;
}
.faq-item.is-open .sign{transform:rotate(180deg);background:var(--brand);color:#fff;}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .32s ease;
}
.faq-a p{
  font-size:15px;color:var(--ink-2);line-height:1.85;
  padding:0 44px 24px 0;
}

/* ============ 相关栏目 ============ */
.rel-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--card);
  border:1px solid var(--line-soft);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.rel-thumb{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--brand-light);}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.rel-card:hover .rel-thumb img{transform:scale(1.04);}
.rel-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1;}
.rel-body h3{font-size:18px;margin:12px 0 10px;}
.rel-body p{font-size:14.5px;color:var(--ink-2);margin-bottom:18px;}
.rel-body .go{margin-top:auto;display:inline-flex;align-items:center;gap:8px;color:var(--brand);font-weight:700;font-size:14.5px;}
.rel-body .go i{transition:transform .22s ease;}
.rel-card:hover .rel-body .go i{transform:translateX(4px);}

/* ============ CTA 横幅 ============ */
.cta-banner{
  position:relative;overflow:hidden;
  border-radius:28px;
  background:var(--grad);
  color:#fff;
  padding:44px 46px;
  display:flex;flex-wrap:wrap;gap:30px;align-items:center;justify-content:space-between;
  box-shadow:0 24px 54px rgba(15,107,84,.24);
}
.cta-banner::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(circle at 88% 12%,rgba(255,255,255,.20),transparent 40%);
  pointer-events:none;
}
.cta-copy{position:relative;z-index:2;flex:1 1 380px;min-width:260px;}
.cta-copy h2{color:#fff;font-size:clamp(21px,2.4vw,28px);margin-bottom:12px;}
.cta-copy p{color:rgba(255,255,255,.92);font-size:15.5px;max-width:640px;}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.cta-banner .btn-white{background:#fff;color:var(--brand-deep);}
.cta-banner .btn-white:hover{background:#F4FBF8;color:var(--brand-deep);transform:translateY(-2px);}
.share-group{display:flex;gap:10px;}
.share-btn{
  width:44px;height:44px;border-radius:14px;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.34);
  color:#fff;font-size:15px;
  transition:background .22s ease,color .22s ease,transform .22s ease;
}
.share-btn:hover{background:#fff;color:var(--brand-deep);transform:translateY(-2px);}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--brand-deep);
  color:#E6F1EC;
  padding:72px 0 26px;
  margin-top:0;
}
.footer-grid{display:flex;flex-wrap:wrap;gap:40px 32px;}
.footer-grid>div:first-child{flex:1 1 300px;min-width:250px;}
.footer-col{flex:1 1 180px;min-width:170px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;color:#fff;}
.footer-brand .brand-mark{background:rgba(255,255,255,.14);box-shadow:none;border:1px solid rgba(255,255,255,.22);}
.footer-brand span:last-child{font-size:16px;font-weight:800;color:#fff;}
.footer-about{font-size:14px;color:rgba(230,241,236,.74);line-height:1.8;max-width:380px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{color:rgba(230,241,236,.78);font-size:14px;}
.footer-col a:hover{color:#fff;}
.footer-col p{font-size:14px;color:rgba(230,241,236,.74);line-height:1.8;margin-bottom:10px;}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:14px;align-items:center;justify-content:space-between;
  font-size:13.5px;color:rgba(230,241,236,.68);
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;border-radius:var(--radius-pill);
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.24);
  color:#fff;font-size:13.5px;
  transition:background .22s ease,transform .22s ease;
}
.to-top:hover{background:rgba(255,255,255,.22);transform:translateY(-2px);}

/* ============ 响应式 ============ */
@media screen and (max-width:1023px){
  .container{padding-left:24px;padding-right:24px;}
  .main-nav{display:none;}
  .nav-toggle{display:inline-flex;}
  .command-search{width:190px;}
  .section{padding:64px 0;}
  .section-tight{padding:52px 0;}
  .site-footer{padding:56px 0 22px;}
  .sticky-wrap{position:static;}
}

@media screen and (max-width:767px){
  .command-search{display:none;}
  .nav-cta{display:none;}
  .section{padding:48px 0;}
  .page-hero{padding:44px 0 52px;}
  .hero-layout{gap:30px;}
  .stat-strip{margin-top:32px;}
  .cta-banner{padding:32px 26px;border-radius:24px;}
  .faq-wrap{padding:8px 20px;}
  .faq-a p{padding-right:0;}
  .footer-grid{gap:32px;}
}

@media screen and (max-width:520px){
  .container{padding-left:16px;padding-right:16px;}
  .brand-sub{display:none;}
  .brand-name{font-size:15px;}
  .icon-btn{width:36px;height:36px;flex:0 0 36px;}
  .btn{padding:12px 20px;font-size:14.5px;}
  .toc-card{padding:20px;}
  .step-item{padding:20px;gap:14px;}
  .step-index{flex:0 0 42px;width:42px;height:42px;font-size:17px;}
  .hero-figure{aspect-ratio:4/3;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

@media screen and (min-width:1440px){
  .container{max-width:1280px;}
}

/* roulang page: category2 */
/* ===================== 设计变量 ===================== */
:root{
  --brand:#0F6B54;
  --brand-deep:#083F32;
  --brand-mid:#12A67C;
  --brand-soft:#DFF3EA;
  --accent:#FF6B35;
  --accent-soft:#FFEDE5;
  --gold:#F2B31B;
  --bg:#FBFAF6;
  --card:#FFFFFF;
  --text:#0D1B17;
  --text-2:#3A4A44;
  --text-3:#7A8A83;
  --line:#E2E8E4;
  --line-soft:#E7EDE9;
  --r-xl:28px;
  --r-lg:24px;
  --r-md:16px;
  --r-img:20px;
  --r-pill:999px;
  --sh-sm:0 12px 32px rgba(13,27,23,.08);
  --sh-lg:0 18px 44px rgba(13,27,23,.14);
  --grad:linear-gradient(120deg,#0F6B54 0%,#12A67C 45%,#FF6B35 100%);
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-num:"Barlow","DIN Alternate","Segoe UI",ui-monospace,SFMono-Regular,Menlo,monospace;
  --space-section:96px;
}

/* ===================== 基础 reset ===================== */
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  padding:0;
  background:var(--bg);
  color:var(--text);
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body.no-scroll{overflow:hidden;}
h1,h2,h3,h4,h5{margin:0;font-family:var(--font-sans);color:var(--text);line-height:1.35;font-weight:800;letter-spacing:-.01em;}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;height:auto;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .22s ease;}
a:hover,a:focus{color:var(--accent);}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
figure{margin:0;}
:focus-visible{outline:3px solid rgba(15,107,84,.28);outline-offset:2px;border-radius:8px;}

/* 覆盖 Foundation 默认观感 */
body,button,input,select,textarea{font-family:var(--font-sans);}
a:not(.btn){color:var(--brand);}
a:not(.btn):hover{color:var(--accent);}
.grid-x{margin-left:-14px;margin-right:-14px;}
.grid-x>.cell{padding-left:14px;padding-right:14px;}

/* ===================== 容器与板块 ===================== */
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}
.section{padding:var(--space-section) 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:760px;margin:0 0 44px;}
.section-head h2{font-size:clamp(24px,2.6vw,30px);font-weight:800;}
.section-head p{margin-top:12px;color:var(--text-2);font-size:16px;line-height:1.7;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--brand);background:var(--brand-soft);
  padding:6px 14px;border-radius:var(--r-pill);margin-bottom:16px;
}
.eyebrow i{font-size:12px;}

/* ===================== 顶部命令栏 ===================== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  border-bottom:1px solid var(--line);
  backdrop-filter:saturate(160%) blur(10px);
  transition:box-shadow .24s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 30px rgba(13,27,23,.08);}
.header-inner{
  display:flex;align-items:center;gap:28px;
  min-height:70px;
}
.brand{display:inline-flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--grad);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-weight:900;font-size:17px;
  box-shadow:0 8px 18px rgba(15,107,84,.28);
}
.brand-text{font-size:17px;font-weight:800;color:var(--text);letter-spacing:-.01em;white-space:nowrap;}
.brand:hover .brand-text{color:var(--brand);}
.main-nav{display:flex;align-items:center;gap:6px;flex:1 1 auto;}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  height:38px;padding:0 14px;border-radius:10px;
  font-size:15px;font-weight:600;color:var(--text-2);
  transition:color .2s ease,background .2s ease;
  white-space:nowrap;
}
.nav-link:hover{color:var(--brand);background:var(--brand-soft);}
.nav-link.is-active{color:var(--brand);}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;
  height:2px;border-radius:2px;background:var(--brand);
}
.header-tools{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.command-search{
  display:flex;align-items:center;gap:10px;
  height:42px;padding:0 12px 0 14px;
  background:#F4F7F5;border:1px solid var(--line);
  border-radius:12px;min-width:236px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.command-search i{color:var(--text-3);font-size:14px;}
.command-search input{
  flex:1 1 auto;border:0;background:transparent;height:100%;
  font-size:14px;color:var(--text);min-width:0;
}
.command-search input::placeholder{color:var(--text-3);}
.command-search input:focus{outline:none;}
.command-search:focus-within{
  background:#fff;border-color:var(--brand);
  box-shadow:0 0 0 3px rgba(15,107,84,.16);
}
.kbd{
  font-family:var(--font-num);font-size:11px;font-weight:600;
  color:var(--text-3);background:#fff;border:1px solid var(--line);
  border-radius:6px;padding:2px 6px;line-height:1.4;
}
.icon-btn{
  width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--text-2);
  display:inline-flex;align-items:center;justify-content:center;
  transition:all .22s ease;
}
.icon-btn:hover{color:var(--brand);border-color:var(--brand);transform:translateY(-2px);}
.icon-btn:active{transform:translateY(0);}
.hamburger{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:#fff;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text-2);transition:all .22s ease;}

/* ===================== 按钮 ===================== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:46px;padding:0 26px;border-radius:var(--r-pill);
  font-size:15px;font-weight:700;line-height:1;
  border:1px solid transparent;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
  white-space:nowrap;
}
.btn i{font-size:14px;}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 24px rgba(15,107,84,.24);}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(15,107,84,.3);}
.btn-primary:active{transform:translateY(0);}
.btn-gradient{background:var(--grad);color:#fff;box-shadow:0 12px 26px rgba(255,107,53,.24);}
.btn-gradient:hover{color:#fff;transform:translateY(-2px);box-shadow:0 16px 34px rgba(255,107,53,.3);}
.btn-ghost{background:#fff;border-color:#D9E2DD;color:var(--text-2);}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}
.btn-block{width:100%;}
.ghost-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:700;color:var(--brand);padding:4px 0;
}
.ghost-link i{transition:transform .22s ease;font-size:12px;}
.ghost-link:hover{color:var(--accent);}
.ghost-link:hover i{transform:translateX(5px);}

/* ===================== 标签徽章 ===================== */
.tag{
  display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--brand-soft);color:var(--brand);
  font-size:13px;font-weight:700;
}
.tag-accent{background:var(--accent-soft);color:#C9440F;}
.tag-line{background:#fff;border:1px solid var(--line);color:var(--text-2);}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin:14px 0 4px;}

/* ===================== 栏目头 Hero ===================== */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--brand-deep);
  padding:72px 0 84px;
  color:#fff;
}
.page-hero-bg{
  position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity:.26;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(8,63,50,.94) 0%,rgba(15,107,84,.78) 52%,rgba(255,107,53,.42) 100%);
}
.page-hero-inner{position:relative;z-index:2;}
.crumb{
  display:flex;align-items:center;gap:10px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.72);margin-bottom:22px;
}
.crumb a{color:rgba(255,255,255,.82);}
.crumb a:hover{color:#fff;}
.crumb .sep{opacity:.5;}
.page-hero h1{
  color:#fff;
  font-size:clamp(28px,4vw,44px);
  font-weight:900;
  letter-spacing:-.02em;
  max-width:880px;
}
.hero-lead{
  margin-top:18px;max-width:720px;
  font-size:16px;line-height:1.8;color:rgba(255,255,255,.88);
}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px;}
.hero-badges .pill{
  display:inline-flex;align-items:center;gap:8px;
  height:32px;padding:0 15px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);
  color:#fff;font-size:13px;font-weight:600;
  backdrop-filter:blur(4px);
}
.anchor-nav{display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;}
.anchor-nav a{
  display:inline-flex;align-items:center;gap:8px;
  height:38px;padding:0 18px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.94);color:var(--brand-deep);
  font-size:14px;font-weight:700;
  transition:all .22s ease;
}
.anchor-nav a:hover{background:#fff;color:var(--accent);transform:translateY(-2px);}

/* ===================== 数据徽章带 ===================== */
.stat-band{margin-top:-46px;position:relative;z-index:5;}
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;}
.stat-card{
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-md);
  padding:22px 22px 20px;box-shadow:var(--sh-sm);
  position:relative;overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease;
}
.stat-card::before{
  content:"";position:absolute;left:0;top:0;right:0;height:3px;background:var(--grad);
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);}
.stat-num{
  font-family:var(--font-num);font-size:28px;font-weight:700;color:var(--brand);
  line-height:1.1;letter-spacing:-.02em;
}
.stat-label{display:block;margin-top:7px;font-size:13px;color:var(--text-3);line-height:1.6;}

/* ===================== 时间轴条目流 ===================== */
.timeline{position:relative;max-width:1020px;}
.timeline::before{
  content:"";position:absolute;
  left:105px;top:16px;bottom:16px;width:2px;
  background:linear-gradient(180deg,var(--brand-soft) 0%,var(--line) 70%,rgba(226,232,228,0) 100%);
}
.tl-item{
  position:relative;
  display:grid;grid-template-columns:92px 1fr;column-gap:28px;
  padding-bottom:26px;
}
.tl-item:last-child{padding-bottom:0;}
.tl-side{padding-top:22px;text-align:right;padding-right:6px;}
.tl-num{
  display:block;font-family:var(--font-num);
  font-size:26px;font-weight:700;color:var(--brand);line-height:1;letter-spacing:-.02em;
}
.tl-stage{
  display:block;margin-top:8px;font-size:12.5px;font-weight:700;
  color:var(--text-3);letter-spacing:.02em;line-height:1.5;
}
.tl-dot{
  position:absolute;left:105px;top:30px;transform:translateX(-50%);
  width:15px;height:15px;border-radius:50%;
  background:#fff;border:3px solid var(--brand);
  box-shadow:0 0 0 5px rgba(15,107,84,.08);
  z-index:2;
}
.tl-card{
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-lg);
  box-shadow:var(--sh-sm);overflow:hidden;
  display:grid;grid-template-columns:1fr 210px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:#D5E5DE;}
.tl-body{padding:26px 28px;}
.tl-body h3{font-size:19px;font-weight:800;}
.tl-body p{margin-top:12px;font-size:15px;line-height:1.78;color:var(--text-2);}
.tl-thumb{position:relative;overflow:hidden;background:var(--brand-soft);}
.tl-thumb img{width:100%;height:100%;object-fit:cover;min-height:210px;}
.tl-thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(8,63,50,.04) 0%,rgba(8,63,50,.24) 100%);
}
.tl-meta{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  margin-top:18px;font-size:13px;color:var(--text-3);
}
.tl-meta span{display:inline-flex;align-items:center;gap:7px;}

/* ===================== 深色对照面板 ===================== */
.section-hud{background:linear-gradient(160deg,#083F32 0%,#0F6B54 100%);color:#fff;}
.section-hud .section-head h2{color:#fff;}
.section-hud .section-head p{color:rgba(255,255,255,.78);}
.section-hud .eyebrow{background:rgba(255,255,255,.14);color:#fff;}
.hud-panel{
  background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-xl);
  padding:12px 30px;
  backdrop-filter:blur(6px);
}
.hud-row{
  display:grid;
  grid-template-columns:150px 1fr 180px 92px;
  align-items:center;gap:20px;
  padding:22px 0;
  border-bottom:1px solid rgba(255,255,255,.12);
}
.hud-row:last-child{border-bottom:0;}
.hud-name{font-size:16px;font-weight:800;color:#fff;}
.hud-meta{font-size:13.5px;color:rgba(255,255,255,.74);line-height:1.6;}
.hud-bar{height:8px;border-radius:var(--r-pill);background:rgba(255,255,255,.14);overflow:hidden;}
.hud-bar i{display:block;height:100%;border-radius:var(--r-pill);background:linear-gradient(90deg,#12A67C,#FF6B35);}
.hud-val{
  font-size:13px;font-weight:700;color:var(--gold);
  text-align:right;font-family:var(--font-num);
}
.w72{width:72%;}
.w80{width:80%;}
.w86{width:86%;}
.w92{width:92%;}
.w64{width:64%;}

/* ===================== 场景选择卡 ===================== */
.scenario-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.scenario-card{
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-lg);
  padding:0;overflow:hidden;box-shadow:var(--sh-sm);
  display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease;
}
.scenario-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);}
.scenario-img{aspect-ratio:16/10;overflow:hidden;background:var(--brand-soft);}
.scenario-img img{width:100%;height:100%;object-fit:cover;}
.scenario-body{padding:24px;display:flex;flex-direction:column;flex:1 1 auto;}
.scenario-body h3{font-size:18px;font-weight:800;}
.scenario-body p{margin-top:12px;font-size:14.5px;color:var(--text-2);line-height:1.75;flex:1 1 auto;}
.scenario-body .ghost-link{margin-top:16px;}

/* ===================== FAQ ===================== */
.faq-wrap{max-width:880px;margin:0 auto;}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 4px;text-align:left;
  font-size:16px;font-weight:700;color:var(--text);
  transition:color .22s ease;
}
.faq-q:hover{color:var(--brand);}
.faq-q .faq-icon{
  flex:0 0 auto;width:30px;height:30px;border-radius:50%;
  border:1px solid var(--line);color:var(--text-2);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:12px;transition:all .24s ease;
}
.faq-item.is-open .faq-icon{background:var(--brand);border-color:var(--brand);color:#fff;transform:rotate(180deg);}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height .32s ease;
}
.faq-a p{
  padding:0 4px 24px;font-size:15px;line-height:1.85;color:var(--text-2);max-width:760px;
}

/* ===================== 相关栏目推荐 ===================== */
.rec-card{
  display:flex;flex-direction:column;height:100%;
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-md);
  padding:22px;box-shadow:var(--sh-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:#D5E5DE;}
.rec-card h3{font-size:17px;font-weight:800;margin-top:14px;}
.rec-card p{margin-top:10px;font-size:14px;color:var(--text-2);line-height:1.7;flex:1 1 auto;}
.rec-card .ghost-link{margin-top:16px;}

/* ===================== CTA 横幅 ===================== */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:var(--r-xl);
  background:var(--grad);
  color:#fff;
  padding:52px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  box-shadow:0 22px 52px rgba(15,107,84,.26);
}
.cta-band::before{
  content:"";position:absolute;right:-90px;top:-110px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.2) 0%,rgba(255,255,255,0) 70%);
}
.cta-copy{position:relative;z-index:2;max-width:620px;}
.cta-copy h2{color:#fff;font-size:clamp(22px,2.4vw,28px);font-weight:900;}
.cta-copy p{margin-top:12px;font-size:15px;line-height:1.75;color:rgba(255,255,255,.9);}
.cta-actions{position:relative;z-index:2;display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.cta-actions .btn-ghost{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.4);color:#fff;}
.cta-actions .btn-ghost:hover{background:#fff;color:var(--brand);border-color:#fff;}
.cta-icon{
  width:46px;height:46px;border-radius:50%;
  border:1px solid rgba(255,255,255,.44);background:rgba(255,255,255,.12);
  color:#fff;display:inline-flex;align-items:center;justify-content:center;
  transition:all .22s ease;position:relative;
}
.cta-icon:hover{background:#fff;color:var(--brand);transform:translateY(-2px);}
.cta-icon:active{transform:translateY(0);}

/* ===================== 页脚 ===================== */
.site-footer{background:var(--brand-deep);color:#E6F1EC;padding:72px 0 32px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand{display:inline-flex;align-items:center;gap:12px;color:#fff;font-size:17px;font-weight:800;}
.footer-brand:hover{color:#fff;}
.footer-brand .brand-mark{box-shadow:none;}
.footer-about{margin-top:18px;font-size:14px;line-height:1.8;color:rgba(230,241,236,.72);max-width:340px;}
.footer-col h4{font-size:15px;font-weight:800;color:#fff;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:rgba(230,241,236,.76);}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.footer-col p{font-size:13.5px;line-height:1.8;color:rgba(230,241,236,.7);margin-bottom:12px;}
.footer-bottom{
  margin-top:44px;padding-top:24px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13px;color:rgba(230,241,236,.66);
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;
  height:40px;padding:0 18px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.28);color:#fff;font-size:13px;font-weight:600;
  transition:all .22s ease;
}
.to-top:hover{background:#fff;color:var(--brand-deep);border-color:#fff;}
.to-top i{font-size:12px;}

/* ===================== 移动端抽屉 ===================== */
.drawer-mask{
  position:fixed;inset:0;background:rgba(8,31,25,.5);
  z-index:90;opacity:0;transition:opacity .28s ease;
}
.drawer-mask.is-show{opacity:1;}
.mobile-drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(86vw,340px);
  background:#fff;z-index:100;
  transform:translateX(102%);transition:transform .3s ease;
  display:flex;flex-direction:column;padding:20px;
  box-shadow:-16px 0 40px rgba(13,27,23,.16);
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:14px;padding-bottom:18px;border-bottom:1px solid var(--line);}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--line);color:var(--text-2);}
.drawer-close:hover{color:var(--accent);border-color:var(--accent);}
.drawer-nav{display:flex;flex-direction:column;gap:6px;padding:18px 0;flex:1 1 auto;overflow-y:auto;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 14px;border-radius:12px;
  font-size:15px;font-weight:600;color:var(--text-2);
  transition:all .2s ease;
}
.drawer-nav a:hover{background:var(--brand-soft);color:var(--brand);}
.drawer-nav a.is-active{background:var(--brand-soft);color:var(--brand);}
.drawer-foot{border-top:1px solid var(--line);padding-top:18px;}

/* ===================== 响应式 ===================== */
@media (max-width:1023px){
  :root{--space-section:72px;}
  .container{padding:0 24px;}
  .main-nav{display:none;}
  .command-search{min-width:180px;}
  .hamburger{display:flex;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .scenario-grid{grid-template-columns:repeat(2,1fr);}
  .hud-row{grid-template-columns:130px 1fr 120px 80px;gap:16px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:40px 32px;}
}
@media (max-width:767px){
  :root{--space-section:56px;}
  .container{padding:0 18px;}
  .command-search{display:none;}
  .tl-card{grid-template-columns:1fr;}
  .tl-thumb{order:-1;min-height:180px;max-height:200px;}
  .tl-thumb img{min-height:180px;}
  .hud-row{grid-template-columns:1fr;gap:8px;padding:20px 0;}
  .hud-bar{max-width:220px;}
  .hud-val{text-align:left;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .page-hero{padding:52px 0 64px;}
  .stat-band{margin-top:-34px;}
}
@media (max-width:640px){
  .section{padding:48px 0;}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:14px;}
  .scenario-grid{grid-template-columns:1fr;}
  .timeline::before{display:none;}
  .tl-item{grid-template-columns:1fr;row-gap:14px;padding-bottom:20px;}
  .tl-side{padding:0;text-align:left;display:flex;align-items:center;gap:12px;}
  .tl-num{font-size:22px;}
  .tl-stage{margin-top:0;}
  .tl-dot{display:none;}
  .tl-body{padding:20px;}
  .hud-panel{padding:8px 18px;}
  .cta-band{padding:32px 22px;border-radius:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .btn{width:auto;}
  .hero-badges .pill{font-size:12px;height:30px;padding:0 12px;}
}

/* roulang page: category3 */
:root{
  --brand:#0F6B54;
  --brand-deep:#083F32;
  --brand-soft:#DFF3EA;
  --brand-mid:#12A67C;
  --accent:#FF6B35;
  --gold:#F2B31B;
  --bg:#FBFAF6;
  --card:#FFFFFF;
  --ink:#0D1B17;
  --ink-2:#3A4A44;
  --ink-3:#7A8A83;
  --line:#E2E8E4;
  --line-soft:#E7EDE9;
  --r-lg:24px;
  --r-md:16px;
  --r-img:20px;
  --shadow-sm:0 12px 32px rgba(13,27,23,.08);
  --shadow-lg:0 18px 44px rgba(13,27,23,.14);
  --grad:linear-gradient(120deg,#0F6B54 0%,#12A67C 45%,#FF6B35 100%);
  --num-font:"Barlow","DIN Alternate","Helvetica Neue",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--accent)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.3;letter-spacing:.2px}
p{margin:0 0 16px}
p:last-child{margin-bottom:0}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit}
input{font-family:inherit}
a:focus-visible,button:focus-visible,input:focus-visible,summary:focus-visible{
  outline:3px solid rgba(15,107,84,.28);
  outline-offset:2px;
  border-radius:8px;
}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
@media (min-width:1440px){.container{max-width:1280px}}
@media (max-width:640px){.container{padding:0 16px}}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.site-header.is-scrolled{box-shadow:0 10px 26px rgba(13,27,23,.08)}
.nav-inner{display:flex;align-items:center;gap:20px;height:70px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad);
  color:#fff;display:grid;place-items:center;font-size:15px;font-weight:900;letter-spacing:0;
  box-shadow:0 6px 16px rgba(15,107,84,.28);
}
.brand-text{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:.2px;white-space:nowrap}
.brand:hover .brand-text{color:var(--brand)}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:10px}
.nav-link{
  position:relative;display:inline-block;padding:9px 14px;border-radius:999px;
  font-size:15px;color:var(--ink-2);white-space:nowrap;transition:background .2s ease,color .2s ease;
}
.nav-link:hover{color:var(--brand);background:var(--brand-soft)}
.nav-link.is-active{color:var(--brand);font-weight:700}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;background:var(--brand);
}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px}
.command-search{
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 10px 0 14px;min-width:210px;
  background:#F6F8F6;border:1px solid var(--line-soft);border-radius:999px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.command-search:focus-within{
  background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px rgba(15,107,84,.16);
}
.command-search i{color:var(--ink-3);font-size:13px}
.command-search input{
  flex:1;border:0;background:transparent;outline:none;font-size:14px;color:var(--ink);min-width:0;
}
.command-search input::placeholder{color:var(--ink-3)}
.kbd{
  display:inline-flex;align-items:center;gap:2px;padding:2px 7px;border-radius:7px;
  background:#fff;border:1px solid var(--line);font-size:11px;color:var(--ink-3);
  font-family:var(--num-font);letter-spacing:.5px;
}
.icon-btn{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  color:var(--ink-2);border:1px solid transparent;transition:.2s ease;
}
.icon-btn:hover{color:var(--brand);background:var(--brand-soft);border-color:var(--brand-soft)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;padding:14px 26px;font-size:15px;font-weight:700;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
  border:1px solid transparent;line-height:1;min-height:46px;text-align:center;
}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 24px rgba(15,107,84,.24)}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(15,107,84,.3)}
.btn-primary:active{transform:translateY(0);box-shadow:0 6px 14px rgba(15,107,84,.24)}
.btn-gradient{background:var(--grad);color:#fff;box-shadow:0 12px 28px rgba(255,107,53,.24)}
.btn-gradient:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 36px rgba(255,107,53,.3)}
.btn-ghost{background:#fff;color:var(--brand);border-color:#D9E2DD}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);box-shadow:var(--shadow-sm)}
.btn-text{
  padding:6px 2px;color:var(--brand);font-weight:700;border-radius:6px;min-height:auto;
}
.btn-text i{transition:transform .2s ease}
.btn-text:hover{color:var(--accent)}
.btn-text:hover i{transform:translateX(4px)}
.btn-sm{padding:10px 18px;font-size:14px;min-height:40px}
.nav-cta{padding:11px 22px;font-size:14px;min-height:42px}

.hamburger{display:none;width:44px;height:44px;border-radius:12px;place-items:center;color:var(--ink);border:1px solid var(--line-soft)}
.hamburger:hover{color:var(--brand);background:var(--brand-soft)}

.mobile-drawer{
  position:fixed;inset:0 0 0 auto;width:min(320px,86vw);background:#fff;z-index:120;
  transform:translateX(102%);transition:transform .28s ease;
  padding:22px 22px 32px;display:flex;flex-direction:column;gap:8px;overflow-y:auto;
  box-shadow:-18px 0 44px rgba(13,27,23,.16);
}
.mobile-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:14px}
.drawer-close{width:44px;height:44px;border-radius:12px;display:grid;place-items:center;color:var(--ink-2);border:1px solid var(--line-soft)}
.drawer-close:hover{color:var(--accent);border-color:var(--accent)}
.drawer-link{
  display:block;padding:14px 16px;border-radius:14px;font-size:16px;color:var(--ink-2);
  border:1px solid var(--line-soft);margin-bottom:10px;
}
.drawer-link:hover{background:var(--brand-soft);color:var(--brand);border-color:var(--brand-soft)}
.drawer-link.is-active{background:var(--brand-soft);color:var(--brand);font-weight:700;border-color:transparent}
.drawer-cta{margin-top:8px;width:100%}
.drawer-mask{
  position:fixed;inset:0;background:rgba(8,63,50,.36);z-index:110;opacity:0;visibility:hidden;
  transition:opacity .28s ease,visibility .28s ease;
}
.drawer-mask.is-open{opacity:1;visibility:visible}

@media (max-width:1180px){
  .command-search{min-width:150px}
  .brand-text{font-size:16px}
}
@media (max-width:1023px){
  .main-nav,.command-search,.nav-right .nav-cta,.nav-right .icon-btn.desk-only{display:none}
  .hamburger{display:grid}
  .nav-right{gap:8px}
  .nav-inner{height:64px}
}
@media (max-width:640px){
  .brand-text{font-size:15px;white-space:normal;line-height:1.25;max-width:170px}
  .nav-inner{gap:12px}
}

/* ---------- Page head / banner ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--brand-deep) url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  padding:76px 0 64px;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(8,63,50,.94) 0%,rgba(15,107,84,.86) 52%,rgba(255,107,53,.55) 100%);
}
.page-hero .container{position:relative;z-index:2}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.78);margin-bottom:18px}
.crumb a{color:rgba(255,255,255,.86)}
.crumb a:hover{color:#fff;text-decoration:underline}
.crumb .sep{opacity:.55}
.page-hero h1{
  font-size:clamp(28px,4vw,42px);color:#fff;font-weight:900;max-width:860px;letter-spacing:.5px;
}
.page-hero .hero-sub{
  margin:18px 0 0;max-width:720px;color:rgba(255,255,255,.9);font-size:16px;line-height:1.8;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.hero-tag{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 14px;border-radius:999px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);color:#fff;font-size:13px;
  backdrop-filter:blur(2px);
}
.anchor-nav{
  display:flex;flex-wrap:wrap;gap:10px;margin-top:30px;
}
.anchor-nav a{
  display:inline-flex;align-items:center;gap:6px;padding:9px 16px;border-radius:999px;
  background:rgba(255,255,255,.92);color:var(--brand);font-size:14px;font-weight:600;
  transition:.2s ease;
}
.anchor-nav a:hover{background:#fff;color:var(--accent);transform:translateY(-2px);box-shadow:0 10px 22px rgba(8,63,50,.28)}

/* ---------- Sections ---------- */
.section{padding:96px 0}
.section.tight{padding:72px 0}
.section-head{max-width:760px;margin-bottom:44px}
.section-head .kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand);
  background:var(--brand-soft);padding:6px 14px;border-radius:999px;margin-bottom:16px;
}
.section-head h2{font-size:clamp(24px,3vw,30px);color:var(--ink)}
.section-head p{margin-top:14px;color:var(--ink-2);font-size:16px;max-width:660px}
@media (max-width:1023px){.section{padding:72px 0}.section.tight{padding:56px 0}}
@media (max-width:640px){.section{padding:48px 0}.section.tight{padding:40px 0}.section-head{margin-bottom:30px}}

/* ---------- Stat strip ---------- */
.stat-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:44px}
.stat-card{
  position:relative;background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-md);
  padding:22px 20px 20px;box-shadow:var(--shadow-sm);overflow:hidden;
}
.stat-card::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad);
}
.stat-num{
  font-family:var(--num-font);font-size:30px;font-weight:700;color:var(--brand);line-height:1.1;letter-spacing:.5px;
}
.stat-num small{font-size:14px;font-weight:600;margin-left:2px;color:var(--ink-2)}
.stat-label{font-size:13px;color:var(--ink-3);margin-top:6px;line-height:1.6}
@media (max-width:1023px){.stat-strip{grid-template-columns:repeat(2,1fr)}}
@media (max-width:640px){.stat-strip{grid-template-columns:repeat(2,1fr);gap:12px}.stat-num{font-size:24px}}

/* ---------- Zigzag blocks ---------- */
.zigzag{
  display:grid;grid-template-columns:1.04fr .96fr;gap:48px;align-items:center;
}
.zigzag + .zigzag{margin-top:76px}
.zigzag.is-flip .zigzag-media{order:2}
.zigzag-media{position:relative}
.zigzag-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-img);
  border:1px solid var(--line-soft);box-shadow:var(--shadow-sm);
}
.zigzag-media .media-badge{
  position:absolute;left:18px;bottom:-16px;background:#fff;border:1px solid var(--line-soft);
  border-radius:14px;padding:10px 16px;box-shadow:var(--shadow-sm);display:flex;align-items:center;gap:10px;
}
.media-badge .num{font-family:var(--num-font);font-size:20px;font-weight:700;color:var(--accent)}
.media-badge .txt{font-size:12px;color:var(--ink-3);line-height:1.4}
.zigzag-body .step-no{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand-deep);
  background:var(--brand-soft);border-radius:999px;padding:6px 14px;margin-bottom:16px;
}
.zigzag-body h3{font-size:clamp(20px,2.4vw,24px);color:var(--ink)}
.zigzag-body > p{margin-top:14px;color:var(--ink-2)}
.point-list{margin-top:20px;display:grid;gap:12px}
.point-list li{
  display:flex;gap:12px;align-items:flex-start;font-size:15px;color:var(--ink-2);
  background:#fff;border:1px solid var(--line-soft);border-radius:14px;padding:14px 16px;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.point-list li:hover{transform:translateY(-3px);box-shadow:var(--shadow-sm);border-color:#D5E5DE}
.point-list i{color:var(--brand);margin-top:4px;font-size:14px;flex-shrink:0}
@media (max-width:900px){
  .zigzag{grid-template-columns:1fr;gap:28px}
  .zigzag.is-flip .zigzag-media{order:0}
  .zigzag + .zigzag{margin-top:56px}
  .zigzag-media .media-badge{bottom:-14px;left:14px}
}

/* ---------- HUD panel ---------- */
.hud{
  position:relative;overflow:hidden;border-radius:28px;background:var(--brand-deep);color:#fff;
  padding:52px 48px;
  background-image:
    linear-gradient(120deg,rgba(8,63,50,.98) 0%,rgba(11,86,68,.96) 60%,rgba(255,107,53,.42) 100%),
    radial-gradient(circle at 88% 12%,rgba(255,255,255,.09) 0,transparent 42%);
}
.hud::before{
  content:"";position:absolute;inset:0;opacity:.07;
  background-image:linear-gradient(rgba(255,255,255,.6) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.6) 1px,transparent 1px);
  background-size:44px 44px;pointer-events:none;
}
.hud-inner{position:relative;z-index:2;display:grid;grid-template-columns:.9fr 1.1fr;gap:44px;align-items:start}
.hud h2{font-size:clamp(22px,2.8vw,28px);color:#fff}
.hud .hud-sub{margin-top:14px;color:rgba(255,255,255,.82);font-size:15px}
.hud-metrics{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;margin-top:26px}
.hud-metric{
  background:rgba(255,255,255,.07);border:1px solid rgba(255,255,255,.16);border-radius:16px;padding:16px;
}
.hud-metric .n{font-family:var(--num-font);font-size:24px;font-weight:700;color:var(--gold)}
.hud-metric .l{font-size:12.5px;color:rgba(255,255,255,.75);margin-top:4px;line-height:1.5}
.check-list{display:grid;gap:12px}
.check-item{
  display:flex;gap:12px;align-items:flex-start;background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);border-radius:14px;padding:15px 18px;
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.check-item:hover{background:rgba(255,255,255,.11);border-color:rgba(255,255,255,.28);transform:translateY(-2px)}
.check-item i{color:var(--gold);margin-top:4px;font-size:14px}
.check-item strong{display:block;font-size:15px;color:#fff;font-weight:700}
.check-item span{font-size:13.5px;color:rgba(255,255,255,.76);line-height:1.7}
@media (max-width:900px){
  .hud{padding:36px 24px;border-radius:22px}
  .hud-inner{grid-template-columns:1fr;gap:28px}
}
@media (max-width:520px){.hud-metrics{grid-template-columns:1fr}}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item:first-child{border-top:1px solid var(--line)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:flex-start;gap:16px;
  padding:22px 4px;font-size:16px;font-weight:600;color:var(--ink);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";margin-left:auto;font-size:22px;font-weight:400;color:var(--brand);
  line-height:1;transition:transform .22s ease,color .22s ease;flex-shrink:0;
}
.faq-item summary:hover{color:var(--brand)}
.faq-item[open] summary{color:var(--brand)}
.faq-item[open] summary::after{content:"–";color:var(--accent)}
.faq-answer{padding:0 4px 24px;font-size:15px;line-height:1.85;color:var(--ink-2);max-width:780px}

/* ---------- Related ---------- */
.grid-x.gutter-24{margin-left:-12px;margin-right:-12px}
.grid-x.gutter-24 > .cell{padding-left:12px;padding-right:12px}
.rel-card{
  display:block;background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-lg);
  padding:26px 24px;height:100%;box-shadow:var(--shadow-sm);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#D5E5DE}
.rel-card .badge{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);font-size:12.5px;font-weight:700;
}
.rel-card h3{font-size:18px;margin-top:14px;color:var(--ink)}
.rel-card p{margin-top:10px;font-size:14px;color:var(--ink-2);line-height:1.75}
.rel-card .go{
  margin-top:18px;display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--brand);
}
.rel-card:hover .go{color:var(--accent)}
.rel-card .go i{transition:transform .2s ease}
.rel-card:hover .go i{transform:translateX(4px)}

/* ---------- CTA banner ---------- */
.cta-banner{
  position:relative;overflow:hidden;border-radius:28px;background:var(--grad);color:#fff;
  padding:46px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-banner::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.22),transparent 70%);
}
.cta-banner .cta-copy{position:relative;z-index:2;max-width:620px}
.cta-banner h2{font-size:clamp(20px,2.6vw,26px);color:#fff}
.cta-banner p{margin-top:12px;color:rgba(255,255,255,.9);font-size:15px}
.cta-actions{position:relative;z-index:2;display:flex;align-items:center;gap:12px;flex-wrap:wrap}
.cta-actions .btn-ghost{background:#fff;color:var(--brand);border-color:transparent}
.cta-actions .btn-ghost:hover{background:var(--brand-deep);color:#fff}
.icon-round{
  width:46px;height:46px;border-radius:50%;display:grid;place-items:center;
  background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.4);color:#fff;
  transition:.2s ease;position:relative;
}
.icon-round:hover{background:#fff;color:var(--brand);transform:translateY(-2px)}
.icon-round[data-tip]::after{
  content:attr(data-tip);position:absolute;bottom:120%;left:50%;transform:translateX(-50%);
  background:var(--brand-deep);color:#fff;font-size:12px;padding:5px 10px;border-radius:8px;white-space:nowrap;
  opacity:0;visibility:hidden;transition:.2s ease;pointer-events:none;
}
.icon-round[data-tip]:hover::after{opacity:1;visibility:visible}
@media (max-width:900px){
  .cta-banner{flex-direction:column;align-items:flex-start;padding:34px 24px;border-radius:22px}
}

/* ---------- Footer ---------- */
.site-footer{background:var(--brand-deep);color:#E8F1EC;padding:66px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;margin-bottom:16px}
.footer-brand:hover{color:#fff}
.footer-about{font-size:14px;color:rgba(232,241,236,.72);line-height:1.85;max-width:340px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:14px;color:rgba(232,241,236,.76);transition:.2s ease}
.footer-col a:hover{color:var(--gold);padding-left:3px}
.footer-col p{font-size:14px;color:rgba(232,241,236,.72);line-height:1.85;margin-bottom:12px}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(232,241,236,.66);
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:999px;
  border:1px solid rgba(255,255,255,.28);color:#fff;font-size:13.5px;transition:.2s ease;min-height:40px;
}
.to-top:hover{background:#fff;color:var(--brand-deep);border-color:#fff}
@media (max-width:900px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (max-width:600px){
  .site-footer{padding:48px 0 24px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category4 */
:root{
  --brand:#0F6B54;
  --brand-deep:#083F32;
  --brand-mid:#12A67C;
  --brand-tint:#DFF3EA;
  --accent:#FF6B35;
  --gold:#F2B31B;
  --bg:#FBFAF6;
  --card:#FFFFFF;
  --text:#0D1B17;
  --text-2:#3A4A44;
  --text-3:#7A8A83;
  --line:#E2E8E4;
  --line-soft:#E7EDE9;
  --radius-lg:24px;
  --radius-md:16px;
  --radius-img:20px;
  --shadow:0 12px 32px rgba(13,27,23,.08);
  --shadow-hover:0 18px 44px rgba(13,27,23,.14);
  --grad:linear-gradient(120deg,#0F6B54 0%,#12A67C 45%,#FF6B35 100%);
  --font-sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --font-num:"Barlow","DIN Alternate","Helvetica Neue",Arial,sans-serif;
}
*,*::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:var(--font-sans);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color .22s ease}
a:hover{color:var(--accent)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:800;line-height:1.35;letter-spacing:.2px}
p{margin:0 0 16px}
ul,ol{margin:0;padding:0;list-style:none}
figure{margin:0}

.container{max-width:1200px;margin:0 auto;padding:0 32px;width:100%}
@media (min-width:1440px){.container{max-width:1280px}}
.section{padding:96px 0}
.section-tight{padding:64px 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{font-size:clamp(22px,2.4vw,30px);margin-bottom:12px}
.section-head p{color:var(--text-2);font-size:15px;margin-bottom:0}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand);background:var(--brand-tint);border-radius:999px;padding:6px 14px;margin-bottom:16px}
.eyebrow i{font-size:12px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:12px 24px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:700;cursor:pointer;line-height:1.2;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(15,107,84,.28)}
.btn-primary{background:var(--brand);color:#fff;box-shadow:0 10px 24px rgba(15,107,84,.22)}
.btn-primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(15,107,84,.28)}
.btn-primary:active{transform:translateY(0)}
.btn-grad{background:var(--grad);color:#fff;box-shadow:0 12px 28px rgba(15,107,84,.24)}
.btn-grad:hover{color:#fff;transform:translateY(-2px);box-shadow:0 18px 36px rgba(15,107,84,.3)}
.btn-outline{background:#fff;border-color:#D9E2DD;color:var(--text-2)}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.btn-ghost{background:transparent;color:var(--brand);padding:10px 6px;min-height:40px}
.btn-ghost i{transition:transform .2s ease}
.btn-ghost:hover{color:var(--accent)}
.btn-ghost:hover i{transform:translateX(4px)}
.btn-block{width:100%}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(13,27,23,.08)}
.header-inner{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);font-weight:800;font-size:17px;white-space:nowrap}
.brand:hover{color:var(--brand)}
.brand-mark{display:grid;place-items:center;width:34px;height:34px;border-radius:11px;background:var(--grad);color:#fff;font-size:16px;font-weight:900;flex:0 0 auto}
.main-nav{display:flex;align-items:center;gap:2px;margin-left:6px}
.nav-link{position:relative;padding:8px 14px;border-radius:999px;color:var(--text-2);font-size:15px;font-weight:500;white-space:nowrap}
.nav-link:hover{color:var(--brand);background:var(--brand-tint)}
.nav-link.is-active{color:var(--brand);font-weight:700}
.nav-link.is-active::after{content:"";position:absolute;left:16px;right:16px;bottom:0;height:2px;border-radius:2px;background:var(--brand)}
.header-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.command-search{display:flex;align-items:center;gap:8px;height:40px;padding:0 12px;border:1px solid var(--line);border-radius:999px;background:#F7F9F8;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease}
.command-search i{color:var(--text-3);font-size:13px}
.command-search input{border:0;outline:none;background:transparent;font-size:14px;width:158px;color:var(--text);font-family:inherit}
.command-search input::placeholder{color:var(--text-3)}
.command-search:focus-within{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(15,107,84,.14)}
.kbd{font-family:var(--font-num);font-size:11px;color:var(--text-3);background:#fff;border:1px solid var(--line);border-radius:6px;padding:1px 6px}
.icon-btn{
  width:40px;height:40px;display:grid;place-items:center;border-radius:12px;border:1px solid var(--line);
  background:#fff;color:var(--text-2);cursor:pointer;transition:all .2s ease;
}
.icon-btn:hover{color:var(--brand);border-color:var(--brand);transform:translateY(-1px);box-shadow:0 8px 18px rgba(13,27,23,.08)}
.icon-btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(15,107,84,.28)}
.menu-toggle{display:none}

/* 抽屉 */
.drawer{position:fixed;inset:0;z-index:120;visibility:hidden;pointer-events:none}
.drawer.is-open{visibility:visible;pointer-events:auto}
.drawer-mask{position:absolute;inset:0;background:rgba(8,63,50,.45);opacity:0;transition:opacity .25s ease}
.drawer.is-open .drawer-mask{opacity:1}
.drawer-panel{
  position:absolute;top:0;right:0;height:100%;width:min(340px,86vw);background:#fff;
  padding:20px;display:flex;flex-direction:column;gap:20px;
  transform:translateX(100%);transition:transform .28s ease;box-shadow:-12px 0 40px rgba(13,27,23,.16);
}
.drawer.is-open .drawer-panel{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-title{font-weight:800;font-size:17px}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-nav a{padding:12px 14px;border-radius:var(--radius-md);color:var(--text-2);font-weight:600;background:#F7F9F8}
.drawer-nav a:hover{background:var(--brand-tint);color:var(--brand)}
.drawer-nav a.is-active{background:var(--brand);color:#fff}
.drawer-foot{margin-top:auto}

/* ---------- 面包屑 ---------- */
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:24px}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:#C6D2CC}

/* ---------- 栏目头 ---------- */
.cat-hero{padding:56px 0 72px;position:relative;overflow:hidden}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 88% 12%,rgba(18,166,124,.10),transparent 46%),
    radial-gradient(circle at 12% 82%,rgba(255,107,53,.08),transparent 44%),
    linear-gradient(180deg,#F3F8F5 0%,#FBFAF6 78%);
  z-index:0;
}
.cat-hero .container{position:relative;z-index:1}
.cat-hero h1{font-size:clamp(28px,4vw,44px);margin-bottom:16px;font-weight:900}
.cat-hero .hero-sub{font-size:17px;color:var(--text-2);max-width:640px;margin-bottom:24px}
.anchor-nav{display:flex;flex-wrap:wrap;gap:10px}
.anchor-nav a{
  display:inline-flex;align-items:center;gap:6px;padding:8px 16px;border-radius:999px;
  background:#fff;border:1px solid var(--line-soft);color:var(--text-2);font-size:14px;font-weight:600;
  box-shadow:0 6px 16px rgba(13,27,23,.05);transition:all .2s ease;
}
.anchor-nav a:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.hero-figure{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow)}
.hero-figure img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--radius-lg)}
.hero-figure figcaption{
  position:absolute;left:16px;bottom:16px;right:16px;
  background:rgba(8,63,50,.78);color:#EAF5F0;font-size:13px;line-height:1.6;
  padding:10px 14px;border-radius:14px;backdrop-filter:blur(4px);
}
.float-badge{
  position:absolute;top:16px;right:16px;background:#fff;border-radius:14px;
  padding:10px 14px;box-shadow:0 12px 28px rgba(13,27,23,.14);text-align:center;
}
.float-badge b{display:block;font-family:var(--font-num);font-size:20px;color:var(--brand);line-height:1.1}
.float-badge span{font-size:11px;color:var(--text-3)}

/* 数据徽章带 */
.stat-band{margin-top:40px}
.stat-card{
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--radius-md);
  padding:20px 22px;position:relative;overflow:hidden;height:100%;
  box-shadow:0 8px 22px rgba(13,27,23,.05);transition:all .22s ease;
}
.stat-card::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad)}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.stat-card b{display:block;font-family:var(--font-num);font-size:30px;font-weight:700;color:var(--brand);line-height:1.1;margin-bottom:4px}
.stat-card span{font-size:13px;color:var(--text-3)}

/* ---------- 卡片网格 ---------- */
.quick-card{
  display:flex;flex-direction:column;gap:12px;height:100%;
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--radius-lg);
  padding:24px;box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.quick-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#D5E6DE}
.quick-card .qc-icon{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:var(--brand-tint);color:var(--brand);font-size:18px;
}
.quick-card h3{font-size:18px}
.quick-card p{font-size:14px;color:var(--text-2);margin:0;line-height:1.7}
.quick-card .qc-link{margin-top:auto;font-size:14px;font-weight:700;display:inline-flex;align-items:center;gap:6px}
.quick-card .qc-link i{transition:transform .2s ease}
.quick-card .qc-link:hover i{transform:translateX(4px)}

.tag{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:700;background:var(--brand-tint);color:var(--brand);
}
.tag.tag-accent{background:#FFEDE4;color:#B8431A}
.tag.tag-dark{background:var(--brand-deep);color:#EAF5F0}

/* ---------- FAQ ---------- */
.faq-wrap{background:#fff;border:1px solid var(--line-soft);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:8px 32px 32px}
.faq-group{padding-top:28px}
.faq-group + .faq-group{border-top:1px solid var(--line);margin-top:8px}
.faq-group-title{display:flex;align-items:center;gap:12px;font-size:19px;margin-bottom:8px}
.faq-num{
  font-family:var(--font-num);font-size:13px;font-weight:700;color:var(--brand);
  background:var(--brand-tint);border-radius:8px;padding:3px 9px;
}
.acc-item{border-bottom:1px solid var(--line)}
.acc-item:last-child{border-bottom:0}
.acc-trigger{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:16px;
  background:transparent;border:0;cursor:pointer;text-align:left;
  padding:18px 0;font-size:16px;font-weight:600;color:var(--text);line-height:1.65;
  transition:color .2s ease;
}
.acc-trigger:hover{color:var(--brand)}
.acc-trigger:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(15,107,84,.2);border-radius:10px}
.acc-trigger i{
  flex:0 0 auto;margin-top:5px;font-size:14px;color:var(--text-3);
  transition:transform .28s ease,color .28s ease;
}
.acc-item.is-open .acc-trigger{color:var(--brand)}
.acc-item.is-open .acc-trigger i{transform:rotate(135deg);color:var(--brand)}
.acc-panel{display:grid;grid-template-rows:0fr;transition:grid-template-rows .3s ease}
.acc-panel > div{overflow:hidden}
.acc-panel p{font-size:15px;line-height:1.8;color:var(--text-2);margin:0 0 18px;padding-right:32px}
.acc-item.is-open .acc-panel{grid-template-rows:1fr}

/* ---------- 排查路径 ---------- */
.path-section{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.path-figure{border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow)}
.path-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.step-list{display:flex;flex-direction:column;gap:20px}
.step{display:flex;gap:18px;align-items:flex-start}
.step-idx{
  flex:0 0 auto;width:44px;height:44px;border-radius:14px;display:grid;place-items:center;
  background:var(--grad);color:#fff;font-family:var(--font-num);font-size:18px;font-weight:700;
  box-shadow:0 10px 22px rgba(15,107,84,.2);
}
.step h3{font-size:17px;margin-bottom:4px}
.step p{font-size:14px;color:var(--text-2);margin:0}

/* ---------- 相关栏目 ---------- */
.rel-card{
  display:block;background:#fff;border:1px solid var(--line-soft);border-radius:var(--radius-lg);
  overflow:hidden;height:100%;box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.rel-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.rel-card .rel-body{padding:20px 22px 22px}
.rel-card h3{font-size:17px;margin:10px 0 8px}
.rel-card p{font-size:14px;color:var(--text-2);margin:0 0 14px;line-height:1.7}
.rel-card .rel-more{font-size:14px;font-weight:700;display:inline-flex;align-items:center;gap:6px;color:var(--brand)}
.rel-card:hover .rel-more{color:var(--accent)}

/* ---------- CTA 横幅 ---------- */
.cta-banner{
  position:relative;overflow:hidden;border-radius:28px;padding:48px;
  background:var(--grad);color:#fff;box-shadow:0 24px 56px rgba(15,107,84,.24);
  display:flex;flex-wrap:wrap;gap:28px;align-items:center;justify-content:space-between;
}
.cta-banner::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(circle at 92% 18%,rgba(255,255,255,.14),transparent 42%),
    repeating-linear-gradient(90deg,rgba(255,255,255,.06) 0 1px,transparent 1px 44px);
  pointer-events:none;
}
.cta-banner h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:10px;position:relative;z-index:1}
.cta-banner p{color:rgba(255,255,255,.9);margin:0;font-size:15px;max-width:560px;position:relative;z-index:1}
.cta-left,.cta-right{position:relative;z-index:1}
.cta-right{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.cta-banner .btn-primary{background:#fff;color:var(--brand)}
.cta-banner .btn-primary:hover{background:#F2FBF7;color:var(--brand-deep)}
.cta-icon{
  width:46px;height:46px;border-radius:14px;display:grid;place-items:center;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.32);color:#fff;cursor:pointer;
  transition:all .2s ease;position:relative;
}
.cta-icon:hover{background:#fff;color:var(--brand);transform:translateY(-2px)}
.cta-icon:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(255,255,255,.5)}
.cta-icon::after{
  content:attr(data-tip);position:absolute;top:-38px;left:50%;transform:translateX(-50%);
  background:var(--brand-deep);color:#fff;font-size:12px;padding:5px 10px;border-radius:8px;
  white-space:nowrap;opacity:0;pointer-events:none;transition:opacity .2s ease;
}
.cta-icon:hover::after{opacity:1}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-deep);color:#D8E9E2;margin-top:96px;padding:64px 0 32px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;margin-bottom:16px}
.footer-brand:hover{color:#fff}
.footer-brand .brand-mark{background:var(--grad)}
.footer-about{font-size:14px;line-height:1.8;color:rgba(216,233,226,.82);margin:0}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;font-weight:700}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{color:rgba(216,233,226,.82);font-size:14px}
.footer-col a:hover{color:#fff}
.footer-col p{font-size:13px;line-height:1.8;color:rgba(216,233,226,.75);margin:0 0 10px}
.footer-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.14);
  display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(216,233,226,.72);
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.2);color:#fff;border-radius:999px;padding:9px 18px;
  font-size:13px;cursor:pointer;transition:all .2s ease;
}
.to-top:hover{background:#fff;color:var(--brand-deep)}

/* 提示条 */
.toast{
  position:fixed;left:50%;bottom:32px;transform:translate(-50%,16px);
  background:var(--brand-deep);color:#fff;font-size:14px;padding:12px 22px;border-radius:999px;
  box-shadow:0 16px 36px rgba(8,63,50,.3);opacity:0;pointer-events:none;transition:all .28s ease;z-index:200;
}
.toast.is-show{opacity:1;transform:translate(-50%,0)}

/* 栅格 */
.grid-x-gutter{margin-left:-14px;margin-right:-14px;row-gap:28px}
.grid-x-gutter > .cell{padding-left:14px;padding-right:14px}

@media (max-width:1023px){
  .container{padding:0 24px}
  .section{padding:64px 0}
  .main-nav{display:none}
  .command-search{display:none}
  .menu-toggle{display:grid}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cta-banner{padding:36px}
  .cat-hero{padding:40px 0 56px}
  .faq-wrap{padding:4px 24px 24px}
  .acc-panel p{padding-right:0}
}
@media (max-width:640px){
  .container{padding:0 16px}
  .section{padding:48px 0}
  .section-tight{padding:44px 0}
  .header-inner{height:64px;gap:12px}
  .brand span.brand-text{font-size:15px}
  .header-actions .btn-primary{display:none}
  .icon-btn{width:38px;height:38px}
  .cat-hero h1{font-size:26px}
  .cat-hero .hero-sub{font-size:15px}
  .stat-card b{font-size:24px}
  .cta-banner{padding:28px 22px;border-radius:22px}
  .cta-right{width:100%}
  .cta-right .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{justify-content:flex-start}
  .quick-card{padding:20px}
  .hero-figure figcaption{position:static;background:transparent;color:var(--text-3);padding:12px 0 0;backdrop-filter:none}
}