/* roulang page: index */
:root{
  --ink:#132420;
  --ink-soft:#3b4f4a;
  --muted:#6b7d78;
  --primary:#0f766e;
  --primary-dark:#0a5a54;
  --primary-soft:#e2f2ef;
  --accent:#d97706;
  --accent-soft:#fdf1de;
  --bg:#f6f7f4;
  --surface:#ffffff;
  --surface-alt:#eef2ee;
  --border:#e1e7e2;
  --deep:#0d211e;
  --deep-2:#12312c;
  --radius-s:8px;
  --radius-m:12px;
  --radius-l:18px;
  --shadow-s:0 2px 8px rgba(19,36,32,.06);
  --shadow-m:0 12px 30px rgba(19,36,32,.10);
  --shadow-l:0 20px 48px rgba(19,36,32,.16);
  --container:1180px;
}
*{margin:0;padding:0;box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.75;color:var(--ink);background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--radius-m)}
a{color:inherit;text-decoration:none}
button,input,textarea{font:inherit;color:inherit}
ul,ol{list-style:none}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:4px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.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(--border);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 26px rgba(19,36,32,.09)}
.nav-wrap{display:flex;align-items:center;gap:20px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px;letter-spacing:.2px;white-space:nowrap;flex-shrink:0}
.brand-icon{
  width:34px;height:34px;border-radius:10px;flex-shrink:0;
  background:linear-gradient(140deg,#0f766e,#28a795);
  color:#fff;display:grid;place-items:center;
  box-shadow:0 6px 14px rgba(15,118,110,.28);
}
.brand-icon svg{width:19px;height:19px}
.nav-links{display:flex;align-items:center;gap:4px;flex:1;justify-content:center}
.nav-link{
  padding:8px 13px;border-radius:9px;font-size:14.5px;font-weight:500;color:var(--ink-soft);
  transition:background .2s,color .2s;white-space:nowrap;
}
.nav-link:hover{background:var(--primary-soft);color:var(--primary-dark)}
.nav-link.is-active{background:var(--primary-soft);color:var(--primary-dark);font-weight:700}
.nav-tools{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-search input{
  width:150px;height:36px;border-radius:999px;border:1px solid var(--border);
  background:#f1f4f1;padding:0 16px;font-size:13px;transition:.2s;
}
.nav-search input::placeholder{color:#93a39e}
.nav-search input:focus{background:#fff;border-color:var(--primary);outline:none;width:180px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  height:42px;padding:0 20px;border-radius:9px;font-size:14.5px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn svg{width:16px;height:16px}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 18px rgba(15,118,110,.24)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 12px 24px rgba(15,118,110,.3)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;border-color:var(--border);color:var(--ink-soft)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-s)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 8px 18px rgba(217,119,6,.26)}
.btn-accent:hover{background:#b96405;transform:translateY(-2px)}
.btn-sm{height:36px;padding:0 15px;font-size:13.5px;border-radius:8px}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:9px;border:1px solid var(--border);
  background:#fff;cursor:pointer;place-items:center;
}
.nav-toggle svg{width:20px;height:20px}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--deep);color:#fff}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.30}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(9,28,25,.94) 0%,rgba(9,28,25,.82) 46%,rgba(9,28,25,.52) 100%);
}
.hero-inner{position:relative;z-index:2;padding:66px 0 70px}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:start}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.4px;color:#8fe0d2;
  background:rgba(40,167,149,.16);border:1px solid rgba(143,224,210,.32);
  padding:5px 13px;border-radius:999px;margin-bottom:18px;
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:#8fe0d2;display:block}
h1{font-size:clamp(28px,3.5vw,42px);line-height:1.26;font-weight:800;letter-spacing:-.4px}
.hero-lead{margin-top:18px;font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.84);max-width:600px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-actions .btn-ghost{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.28);color:#eaf6f3}
.hero-actions .btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#8fe0d2;color:#fff}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:26px}
.hero-tags span{
  font-size:13px;padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);color:#d9eeea;
}
.hero-select{display:grid;gap:12px}
.plan{
  position:relative;background:#fff;color:var(--ink);border-radius:14px;padding:15px 18px 16px;
  border:1px solid #e8eeea;box-shadow:var(--shadow-l);
}
.plan.is-featured{border:2px solid var(--accent);background:#fffdf9}
.plan-badge{
  position:absolute;top:-11px;left:18px;background:var(--accent);color:#fff;
  font-size:12px;font-weight:700;padding:2px 11px;border-radius:999px;letter-spacing:.3px;
}
.plan-top{display:flex;align-items:baseline;justify-content:space-between;gap:10px;margin-top:6px}
.plan h3{font-size:16px;font-weight:800}
.plan-range{font-size:12.5px;color:var(--muted);white-space:nowrap}
.plan p{font-size:13px;line-height:1.65;color:var(--ink-soft);margin-top:6px}
.plan ul{margin-top:9px;display:flex;flex-wrap:wrap;gap:6px}
.plan ul li{font-size:12px;color:var(--primary-dark);background:var(--primary-soft);padding:3px 10px;border-radius:6px}
.plan .btn{width:100%;margin-top:12px}

/* ---------- section base ---------- */
section{position:relative}
.sec{padding:74px 0}
.sec-alt{background:var(--surface-alt)}
.sec-white{background:var(--surface)}
.sec-deep{background:linear-gradient(160deg,var(--deep) 0%,#0f2b27 100%);color:#fff}
.sec-head{max-width:760px;margin-bottom:38px}
.sec-head.center{margin-left:auto;margin-right:auto;text-align:center}
.sec-kicker{
  display:inline-flex;align-items:center;gap:9px;
  font-size:13px;font-weight:700;letter-spacing:.6px;color:var(--primary);
  text-transform:uppercase;margin-bottom:12px;
}
.sec-kicker::before{content:"";width:22px;height:3px;border-radius:2px;background:var(--accent)}
.sec-head.center .sec-kicker{justify-content:center}
.sec-head h2{font-size:clamp(23px,2.4vw,31px);line-height:1.32;font-weight:800;letter-spacing:-.2px}
.sec-head p{margin-top:13px;font-size:15px;line-height:1.85;color:var(--muted)}
.sec-deep .sec-head h2{color:#fff}
.sec-deep .sec-head p{color:rgba(255,255,255,.76)}
.sec-deep .sec-kicker{color:#8fe0d2}

/* ---------- metrics ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.metric{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-m);
  padding:22px 22px 20px;box-shadow:var(--shadow-s);
  transition:transform .2s,box-shadow .2s,border-color .2s;
}
.metric:hover{transform:translateY(-3px);box-shadow:var(--shadow-m);border-color:#cfe3de}
.metric-num{font-size:32px;font-weight:800;color:var(--primary);line-height:1.15;letter-spacing:-.5px}
.metric-num small{font-size:15px;font-weight:700;margin-left:2px;color:var(--primary-dark)}
.metric h3{font-size:14.5px;font-weight:700;margin-top:8px}
.metric p{font-size:13px;line-height:1.7;color:var(--muted);margin-top:6px}

/* ---------- cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-l);
  overflow:hidden;box-shadow:var(--shadow-s);display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:#cbe0da}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--surface-alt)}
.card-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .35s ease}
.card:hover .card-media img{transform:scale(1.04)}
.card-tag{
  position:absolute;left:14px;top:14px;background:rgba(13,33,30,.78);color:#fff;
  font-size:12px;padding:4px 11px;border-radius:999px;backdrop-filter:blur(4px);
}
.card-body{padding:20px 20px 22px;display:flex;flex-direction:column;flex:1}
.card-body h3{font-size:17px;font-weight:750;line-height:1.45}
.card-body p{font-size:13.5px;line-height:1.75;color:var(--muted);margin-top:9px;flex:1}
.card-foot{display:flex;align-items:center;justify-content:space-between;gap:10px;margin-top:16px}
.chip{
  display:inline-block;font-size:12px;padding:4px 10px;border-radius:6px;
  background:var(--primary-soft);color:var(--primary-dark);font-weight:600;
}
.link-more{font-size:13.5px;font-weight:700;color:var(--primary);display:inline-flex;align-items:center;gap:5px}
.link-more svg{width:14px;height:14px;transition:transform .2s}
.link-more:hover svg{transform:translateX(3px)}

/* ---------- directory ---------- */
.dir-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px 28px}
.dir-item{
  display:flex;gap:14px;align-items:flex-start;padding:16px 18px;background:#fff;
  border:1px solid var(--border);border-radius:var(--radius-m);
  transition:transform .2s,box-shadow .2s,border-color .2s;
}
.dir-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-m);border-color:#cbe0da}
.dir-num{
  width:32px;height:32px;flex-shrink:0;border-radius:9px;display:grid;place-items:center;
  background:var(--primary-soft);color:var(--primary-dark);font-size:13px;font-weight:800;
}
.dir-item h3{font-size:15px;font-weight:700}
.dir-item p{font-size:13px;line-height:1.7;color:var(--muted);margin-top:4px}

/* ---------- verify ---------- */
.verify-grid{display:grid;grid-template-columns:1fr 1fr 1fr 1fr;gap:18px;margin-top:34px}
.verify-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius-m);padding:20px;transition:background .2s,transform .2s;
}
.verify-card:hover{background:rgba(255,255,255,.11);transform:translateY(-3px)}
.verify-ico{
  width:38px;height:38px;border-radius:10px;display:grid;place-items:center;
  background:rgba(40,167,149,.22);color:#8fe0d2;margin-bottom:12px;
}
.verify-ico svg{width:19px;height:19px}
.verify-card h3{font-size:15px;font-weight:700;color:#fff}
.verify-card p{font-size:13px;line-height:1.7;color:rgba(255,255,255,.72);margin-top:6px}

/* ---------- compare ---------- */
.cmp-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.cmp-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-l);
  padding:24px 22px;box-shadow:var(--shadow-s);
  transition:transform .2s,box-shadow .2s;
}
.cmp-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m)}
.cmp-card h3{font-size:17px;font-weight:750;display:flex;align-items:center;gap:9px}
.cmp-dot{width:9px;height:9px;border-radius:50%;background:var(--primary)}
.cmp-card .cmp-sub{font-size:12.5px;color:var(--muted);margin-top:6px}
.cmp-list{margin-top:16px;display:grid;gap:10px}
.cmp-list li{font-size:13.5px;line-height:1.7;color:var(--ink-soft);display:flex;gap:9px}
.cmp-list li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--accent);margin-top:9px;flex-shrink:0}
.cmp-note{
  margin-top:18px;padding-top:14px;border-top:1px dashed var(--border);
  font-size:12.5px;color:var(--muted);
}

/* ---------- timeline ---------- */
.tl{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:12px}
.tl::before{
  content:"";position:absolute;left:0;right:0;top:15px;height:2px;
  background:linear-gradient(90deg,var(--primary-soft),var(--primary),var(--accent),var(--primary-soft));
  opacity:.5;
}
.tl-item{position:relative;padding-top:44px}
.tl-item::before{
  content:"";position:absolute;top:8px;left:0;width:16px;height:16px;border-radius:50%;
  background:#fff;border:3px solid var(--primary);box-shadow:0 0 0 4px rgba(15,118,110,.1);
}
.tl-item:last-child::before{border-color:var(--accent);box-shadow:0 0 0 4px rgba(217,119,6,.12)}
.tl-item h3{font-size:15px;font-weight:750}
.tl-item p{font-size:13px;line-height:1.7;color:var(--muted);margin-top:5px}

/* ---------- news ---------- */
.news-layout{display:grid;grid-template-columns:1.65fr 1fr;gap:30px;align-items:start}
.news-list{display:grid;gap:14px}
.news-item{
  display:grid;grid-template-columns:132px 1fr;gap:16px;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-m);
  padding:14px;transition:transform .2s,box-shadow .2s,border-color .2s;
}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-m);border-color:#cbe0da}
.news-thumb{aspect-ratio:4/3;overflow:hidden;border-radius:9px;background:var(--surface-alt)}
.news-thumb img{width:100%;height:100%;object-fit:cover;border-radius:0}
.news-item h3{font-size:15px;font-weight:700;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-item p{font-size:13px;line-height:1.65;color:var(--muted);margin-top:6px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{display:flex;gap:12px;align-items:center;margin-top:9px;font-size:12px;color:#8b9b96}
.news-meta .chip{font-size:11.5px;padding:2px 8px}
.news-empty{
  background:#fff;border:1px dashed var(--border);border-radius:var(--radius-m);
  padding:34px 20px;text-align:center;color:var(--muted);font-size:14px;
}
.side-box{background:#fff;border:1px solid var(--border);border-radius:var(--radius-l);padding:22px;box-shadow:var(--shadow-s)}
.side-box h3{font-size:16px;font-weight:750;padding-bottom:12px;border-bottom:1px solid var(--border)}
.side-list{margin-top:6px}
.side-list a{
  display:flex;gap:11px;padding:12px 0;border-bottom:1px dashed var(--border);
  transition:color .2s;
}
.side-list a:last-child{border-bottom:0;padding-bottom:0}
.side-list a:hover{color:var(--primary)}
.side-idx{
  font-size:12px;font-weight:800;color:var(--primary);background:var(--primary-soft);
  width:22px;height:22px;border-radius:6px;display:grid;place-items:center;flex-shrink:0;margin-top:3px;
}
.side-list strong{font-size:13.5px;font-weight:650;line-height:1.55;display:block}
.side-list em{font-style:normal;font-size:12px;color:var(--muted);display:block;margin-top:3px}
.side-cta{
  margin-top:18px;padding:16px;border-radius:var(--radius-m);
  background:var(--primary-soft);text-align:center;
}
.side-cta p{font-size:13px;color:var(--primary-dark);line-height:1.65}
.side-cta .btn{margin-top:12px}

/* ---------- assurance ---------- */
.assure-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.assure{
  display:flex;gap:13px;align-items:flex-start;padding:20px;background:#fff;
  border:1px solid var(--border);border-radius:var(--radius-m);box-shadow:var(--shadow-s);
  transition:transform .2s,box-shadow .2s;
}
.assure:hover{transform:translateY(-3px);box-shadow:var(--shadow-m)}
.assure-ico{
  width:36px;height:36px;border-radius:10px;flex-shrink:0;display:grid;place-items:center;
  background:var(--accent-soft);color:var(--accent);
}
.assure-ico svg{width:18px;height:18px}
.assure h3{font-size:14.5px;font-weight:700}
.assure p{font-size:12.8px;line-height:1.65;color:var(--muted);margin-top:4px}

/* ---------- scenarios ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.scene{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-l);
  padding:24px 22px;box-shadow:var(--shadow-s);transition:transform .2s,box-shadow .2s;
}
.scene:hover{transform:translateY(-4px);box-shadow:var(--shadow-m)}
.scene-step{font-size:12px;font-weight:800;letter-spacing:.8px;color:var(--accent)}
.scene h3{font-size:17px;font-weight:750;margin-top:8px}
.scene p{font-size:13.5px;line-height:1.75;color:var(--muted);margin-top:8px}
.scene ul{margin-top:12px;display:grid;gap:7px}
.scene ul li{font-size:13px;color:var(--ink-soft);display:flex;gap:8px}
.scene ul li::before{content:"";width:5px;height:5px;border-radius:50%;background:var(--primary);margin-top:9px;flex-shrink:0}

/* ---------- voices ---------- */
.voice-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.voice{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-l);
  padding:24px 22px;box-shadow:var(--shadow-s);position:relative;
  transition:transform .2s,box-shadow .2s;
}
.voice:hover{transform:translateY(-4px);box-shadow:var(--shadow-m)}
.voice::before{
  content:"“";position:absolute;right:20px;top:6px;font-size:52px;line-height:1;
  color:var(--primary-soft);font-family:Georgia,serif;
}
.voice p{font-size:14px;line-height:1.8;color:var(--ink-soft);position:relative;z-index:1}
.voice-who{display:flex;align-items:center;gap:11px;margin-top:18px;padding-top:16px;border-top:1px solid var(--border)}
.avatar{
  width:36px;height:36px;border-radius:50%;display:grid;place-items:center;
  background:var(--primary-soft);color:var(--primary-dark);font-weight:800;font-size:14px;
}
.voice-who strong{font-size:13.5px;font-weight:700;display:block}
.voice-who span{font-size:12px;color:var(--muted)}

/* ---------- quick answer ---------- */
.qa-grid{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.qa-item{
  background:#fff;border:1px solid var(--border);border-left:3px solid var(--accent);
  border-radius:var(--radius-m);padding:18px 20px;transition:box-shadow .2s,transform .2s;
}
.qa-item:hover{box-shadow:var(--shadow-m);transform:translateY(-2px)}
.qa-item h3{font-size:15px;font-weight:750}
.qa-item p{font-size:13.5px;line-height:1.75;color:var(--muted);margin-top:7px}

/* ---------- faq ---------- */
.faq-wrap{max-width:880px;margin:0 auto;display:grid;gap:12px}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-m);
  overflow:hidden;transition:box-shadow .2s,border-color .2s;
}
.faq-item[open]{box-shadow:var(--shadow-m);border-color:#cbe0da}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 52px 18px 20px;position:relative;
  font-size:15px;font-weight:700;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"";position:absolute;right:20px;top:50%;width:9px;height:9px;
  border-right:2px solid var(--primary);border-bottom:2px solid var(--primary);
  transform:translateY(-70%) rotate(45deg);transition:transform .25s;
}
.faq-item[open] summary::after{transform:translateY(-30%) rotate(-135deg)}
.faq-item p{padding:0 20px 20px;font-size:14px;line-height:1.8;color:var(--muted)}

/* ---------- subscribe ---------- */
.sub-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:44px;align-items:center}
.sub-copy h2{font-size:clamp(23px,2.4vw,30px);font-weight:800;line-height:1.34;color:#fff}
.sub-copy p{margin-top:14px;font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.78)}
.sub-points{margin-top:20px;display:grid;gap:9px}
.sub-points li{font-size:13.5px;color:#cfe9e4;display:flex;gap:9px}
.sub-points li svg{width:15px;height:15px;color:#8fe0d2;flex-shrink:0;margin-top:4px}
.form-card{
  background:#fff;border-radius:var(--radius-l);padding:26px;box-shadow:var(--shadow-l);
}
.form-card h3{font-size:17px;font-weight:800}
.form-card .form-sub{font-size:13px;color:var(--muted);margin-top:6px}
.field{margin-top:14px}
.field label{display:block;font-size:13px;font-weight:650;color:var(--ink-soft);margin-bottom:6px}
.field input,.field textarea,.field select{
  width:100%;border:1px solid var(--border);background:#f7f9f7;border-radius:9px;
  padding:11px 13px;font-size:14px;transition:border-color .2s,background .2s,box-shadow .2s;
}
.field input:focus,.field textarea:focus,.field select:focus{
  outline:none;border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(15,118,110,.12);
}
.field textarea{min-height:78px;resize:vertical}
.form-card .btn{width:100%;margin-top:18px}
.form-note{font-size:12px;line-height:1.65;color:var(--muted);margin-top:12px}
.form-msg{font-size:13px;color:var(--primary-dark);margin-top:10px;font-weight:600;min-height:20px}

/* ---------- footer ---------- */
.site-footer{background:#0a1a18;color:rgba(255,255,255,.72);padding:56px 0 26px}
.footer-top{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:38px;padding-bottom:32px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:16px}
.footer-brand .brand-icon{box-shadow:none}
.footer-about{margin-top:14px;font-size:13px;line-height:1.8;color:rgba(255,255,255,.6);max-width:360px}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-col ul{display:grid;gap:9px}
.footer-col a{font-size:13px;color:rgba(255,255,255,.66);transition:color .2s}
.footer-col a:hover{color:#8fe0d2}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  padding-top:22px;font-size:12.5px;color:rgba(255,255,255,.46);
}
.footer-bottom a{color:rgba(255,255,255,.6)}
.footer-bottom a:hover{color:#8fe0d2}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-inner{padding:52px 0 56px}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .card-grid,.cmp-grid,.scene-grid,.voice-grid{grid-template-columns:repeat(2,1fr)}
  .verify-grid,.assure-grid{grid-template-columns:repeat(2,1fr)}
  .news-layout{grid-template-columns:1fr}
  .tl{grid-template-columns:repeat(2,1fr)}
  .tl::before{display:none}
  .nav-links{
    position:absolute;top:64px;left:0;right:0;flex-direction:column;align-items:stretch;
    background:#fff;border-bottom:1px solid var(--border);padding:12px 20px 18px;gap:4px;
    box-shadow:0 16px 30px rgba(19,36,32,.1);display:none;
  }
  body.nav-open .nav-links{display:flex}
  .nav-link{padding:12px 14px;font-size:15px}
  .nav-toggle{display:grid}
  .nav-search{display:none}
  .nav-wrap{gap:12px}
  .nav-links{flex:initial}
  .nav-tools{margin-left:auto}
  .sub-grid{grid-template-columns:1fr;gap:30px}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
  .container{padding:0 18px}
  .sec{padding:54px 0}
  .brand{font-size:15px}
  .card-grid,.cmp-grid,.scene-grid,.voice-grid,.verify-grid,.assure-grid,.qa-grid,.dir-grid{grid-template-columns:1fr}
  .metric-grid{grid-template-columns:1fr 1fr}
  .news-item{grid-template-columns:104px 1fr;gap:13px}
  .footer-top{grid-template-columns:1fr}
  .hero-actions .btn{flex:1;min-width:140px}
  .sec-head{margin-bottom:28px}
}
@media (max-width:520px){
  .nav-tools .btn-ghost{display:none}
  .metric-grid{grid-template-columns:1fr}
  .hero-tags span{font-size:12px;padding:5px 11px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .news-item{grid-template-columns:1fr}
  .news-thumb{aspect-ratio:16/9}
  .form-card{padding:20px}
  .footer-bottom{flex-direction:column}
}

/* roulang page: article */
:root{
 --ink:#132420;
 --ink-soft:#3b4f4a;
 --muted:#6b7d78;
 --primary:#0f766e;
 --primary-dark:#0a5a54;
 --primary-soft:#e2f2ef;
 --accent:#d97706;
 --accent-soft:#fdf1de;
 --bg:#f6f7f4;
 --surface:#ffffff;
 --surface-alt:#eef2ee;
 --border:#e1e7e2;
 --deep:#0d211e;
 --deep-2:#12312c;
 --radius-s:8px;
 --radius-m:12px;
 --radius-l:18px;
 --shadow-s:0 2px 8px rgba(19,36,32,.06);
 --shadow-m:0 12px 30px rgba(19,36,32,.10);
 --shadow-l:0 20px 48px rgba(19,36,32,.16);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 font-size:16px;line-height:1.75;color:var(--ink);background:var(--bg);
 overflow-x:hidden;
}
h1,h2,h3,h4,h5,p,ul,ol,figure,blockquote{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none}
img{max-width:100%;display:block;border-radius:var(--radius-m)}
button,input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:3px solid rgba(15,118,110,.42);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
/* ---------- header ---------- */
.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(--border);
 transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 26px rgba(19,36,32,.09)}
.nav-wrap{display:flex;align-items:center;gap:20px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px;letter-spacing:.2px;white-space:nowrap;flex-shrink:0}
.brand-icon{
 width:34px;height:34px;border-radius:10px;flex-shrink:0;
 background:linear-gradient(140deg,#0f766e,#28a795);
 color:#fff;display:grid;place-items:center;
 box-shadow:0 6px 14px rgba(15,118,110,.28);
}
.brand-icon svg{width:19px;height:19px}
.nav-links{display:flex;align-items:center;gap:4px;flex:1;justify-content:center}
.nav-link{
 padding:8px 13px;border-radius:9px;font-size:14.5px;font-weight:500;color:var(--ink-soft);
 transition:background .2s,color .2s;white-space:nowrap;
}
.nav-link:hover{background:var(--primary-soft);color:var(--primary-dark)}
.nav-link.is-active{background:var(--primary-soft);color:var(--primary-dark);font-weight:700}
.nav-tools{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-search input{
 width:150px;height:36px;border-radius:999px;border:1px solid var(--border);
 background:#f1f4f1;padding:0 16px;font-size:13px;transition:.2s;
}
.nav-search input::placeholder{color:#93a39e}
.nav-search input:focus{background:#fff;border-color:var(--primary);outline:none;width:180px}
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:7px;
 height:42px;padding:0 20px;border-radius:9px;font-size:14.5px;font-weight:600;
 border:1px solid transparent;cursor:pointer;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn svg{width:16px;height:16px}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 18px rgba(15,118,110,.24)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 12px 24px rgba(15,118,110,.3)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;border-color:var(--border);color:var(--ink-soft)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-s)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 8px 18px rgba(217,119,6,.26)}
.btn-accent:hover{background:#b96405;transform:translateY(-2px)}
.btn-sm{height:36px;padding:0 15px;font-size:13.5px;border-radius:8px}
.nav-toggle{
 display:none;width:40px;height:40px;border-radius:9px;border:1px solid var(--border);
 background:#fff;cursor:pointer;place-items:center;
}
.nav-toggle svg{width:20px;height:20px}
/* ---------- section base ---------- */
.section{padding:74px 0}
.section-alt{background:var(--surface-alt);border-top:1px solid var(--border);border-bottom:1px solid var(--border)}
.section-head{max-width:760px;margin-bottom:36px}
.section-kicker{
 display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.6px;
 color:var(--primary-dark);background:var(--primary-soft);
 padding:4px 12px;border-radius:999px;margin-bottom:14px;
}
.section-head h2{
 font-size:26px;line-height:1.4;font-weight:800;letter-spacing:-.2px;
 display:flex;align-items:center;gap:11px;
}
.section-head h2::before{
 content:"";width:6px;height:22px;border-radius:3px;
 background:linear-gradient(180deg,var(--primary),#28a795);flex-shrink:0;
}
.section-head p{margin-top:12px;font-size:15px;color:var(--muted);line-height:1.85}
/* ---------- article hero ---------- */
.article-hero{
 position:relative;overflow:hidden;
 background:linear-gradient(180deg,#f1f6f2 0%,var(--bg) 100%);
 border-bottom:1px solid var(--border);
 padding:34px 0 52px;
}
.article-hero::after{
 content:"";position:absolute;right:-140px;top:-120px;width:420px;height:420px;
 border-radius:50%;background:radial-gradient(circle,rgba(15,118,110,.14),rgba(15,118,110,0) 68%);
 pointer-events:none;
}
.crumbs{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--muted);margin-bottom:22px}
.crumbs a:hover{color:var(--primary-dark)}
.crumbs span{color:#b3c0bb}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center;position:relative;z-index:2}
.article-title{font-size:34px;line-height:1.34;font-weight:800;letter-spacing:-.4px;color:var(--ink)}
.article-lead{margin-top:16px;font-size:15px;line-height:1.9;color:var(--ink-soft)}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px;margin-top:20px}
.meta-pill{
 font-size:12.5px;font-weight:700;color:var(--primary-dark);
 background:var(--primary-soft);border:1px solid #cbe6e0;
 padding:5px 13px;border-radius:999px;
}
.meta-item{font-size:13px;color:var(--muted)}
.meta-item::before{content:"·";margin-right:8px;color:#c2cec9}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:22px}
.hero-tags span{
 font-size:12.5px;padding:6px 13px;border-radius:999px;
 background:#fff;border:1px solid var(--border);color:var(--ink-soft);box-shadow:var(--shadow-s);
}
.hero-figure{position:relative}
.hero-figure img{
 width:100%;aspect-ratio:4/3;object-fit:cover;
 border-radius:var(--radius-l);box-shadow:var(--shadow-l);
}
.hero-figure figcaption{
 margin-top:12px;font-size:12.5px;color:var(--muted);line-height:1.7;
}
/* ---------- metrics ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.metric{
 background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-l);
 padding:24px 22px;box-shadow:var(--shadow-s);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.metric:hover{transform:translateY(-3px);box-shadow:var(--shadow-m);border-color:#cbe0da}
.metric-num{font-size:32px;font-weight:800;letter-spacing:-1px;color:var(--primary-dark);line-height:1.1}
.metric-num em{font-style:normal;font-size:14px;font-weight:700;color:var(--muted);margin-left:5px}
.metric-label{margin-top:10px;font-size:14.5px;font-weight:700;color:var(--ink)}
.metric-desc{margin-top:5px;font-size:13px;color:var(--muted);line-height:1.75}
/* ---------- article body ---------- */
.article-body-wrap{max-width:860px;margin:0 auto}
.article-body{font-size:15.6px;line-height:1.9;color:var(--ink-soft)}
.article-body > *:first-child{margin-top:0}
.article-body h2{
 font-size:23px;line-height:1.5;color:var(--ink);font-weight:800;
 margin:38px 0 14px;padding-left:14px;border-left:5px solid var(--primary);border-radius:2px;
}
.article-body h3{font-size:18.5px;color:var(--ink);font-weight:700;margin:28px 0 10px}
.article-body h4{font-size:16.5px;color:var(--ink);font-weight:700;margin:22px 0 8px}
.article-body p{margin:0 0 16px}
.article-body strong{color:var(--primary-dark);font-weight:700}
.article-body ul,.article-body ol{margin:0 0 18px;padding-left:0}
.article-body ul li,.article-body ol li{
 position:relative;padding-left:22px;margin-bottom:9px;line-height:1.85;
}
.article-body ul li::before{
 content:"";position:absolute;left:4px;top:12px;width:7px;height:7px;border-radius:50%;
 background:var(--primary);opacity:.75;
}
.article-body ol{counter-reset:item}
.article-body ol li{counter-increment:item}
.article-body ol li::before{
 content:counter(item);position:absolute;left:0;top:2px;
 width:18px;height:18px;border-radius:6px;background:var(--primary-soft);
 color:var(--primary-dark);font-size:11.5px;font-weight:700;
 display:grid;place-items:center;
}
.article-body table{width:100%;border-collapse:collapse;margin:8px 0 22px;font-size:14px;background:#fff}
.article-body th,.article-body td{border:1px solid var(--border);padding:11px 14px;text-align:left;vertical-align:top}
.article-body th{background:var(--surface-alt);color:var(--ink);font-weight:700}
.article-body blockquote{
 margin:0 0 20px;padding:16px 20px;background:var(--accent-soft);
 border-left:4px solid var(--accent);border-radius:0 var(--radius-m) var(--radius-m) 0;
 color:#7a4a06;font-size:14.6px;
}
.article-body img{border-radius:var(--radius-m);margin:6px 0 20px;box-shadow:var(--shadow-s)}
.article-body a{color:var(--primary-dark);border-bottom:1px solid rgba(15,118,110,.35)}
.article-body a:hover{color:var(--primary)}
.article-empty{
 text-align:center;background:#fff;border:1px dashed #c8d6d1;
 border-radius:var(--radius-l);padding:56px 28px;box-shadow:var(--shadow-s);
}
.article-empty h2{font-size:22px;font-weight:800;color:var(--ink);border:0;padding:0;margin:0 0 12px}
.article-empty h2::before{display:none}
.article-empty p{color:var(--muted);margin-bottom:22px;font-size:15px}
/* ---------- cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{
 background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-l);
 padding:26px 24px;box-shadow:var(--shadow-s);display:flex;flex-direction:column;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:#cbe0da}
.card-icon{
 width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
 background:var(--primary-soft);color:var(--primary-dark);margin-bottom:16px;
}
.card-icon svg{width:22px;height:22px}
.card h3{font-size:17px;font-weight:800;color:var(--ink);line-height:1.5}
.card p{margin-top:9px;font-size:14px;color:var(--muted);line-height:1.8}
.card-tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:16px}
.tag{
 font-size:12px;padding:4px 10px;border-radius:999px;
 background:var(--surface-alt);color:var(--ink-soft);border:1px solid var(--border);
}
.tag-accent{background:var(--accent-soft);color:#8a5100;border-color:#f3ddb9}
.card-foot{margin-top:18px;padding-top:14px;border-top:1px solid var(--border);font-size:13px;color:var(--primary-dark);font-weight:600}
/* ---------- compare table ---------- */
.table-scroll{
 background:#fff;border:1px solid var(--border);border-radius:var(--radius-l);
 box-shadow:var(--shadow-s);overflow-x:auto;
}
.compare-table{width:100%;border-collapse:collapse;min-width:720px;font-size:14px}
.compare-table thead th{
 background:var(--deep);color:#e9f5f2;font-weight:700;text-align:left;
 padding:15px 18px;font-size:13.5px;letter-spacing:.3px;
}
.compare-table td{padding:15px 18px;border-top:1px solid var(--border);vertical-align:top;color:var(--ink-soft);line-height:1.8}
.compare-table tbody tr:nth-child(even) td{background:#fafbf9}
.compare-table tbody tr:hover td{background:var(--primary-soft)}
.compare-table td:first-child{font-weight:700;color:var(--ink)}
.compare-table td .yes{color:var(--primary-dark);font-weight:700}
.compare-table td .no{color:#a15a1a;font-weight:700}
/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:30px;max-width:880px}
.timeline::before{
 content:"";position:absolute;left:6px;top:6px;bottom:6px;width:2px;
 background:linear-gradient(180deg,var(--primary),#bcdcd5);border-radius:2px;
}
.timeline-item{ position:relative;padding-bottom:26px }
.timeline-item:last-child{padding-bottom:0}
.timeline-item::before{
 content:"";position:absolute;left:-30px;top:6px;width:14px;height:14px;border-radius:50%;
 background:#fff;border:3px solid var(--primary);box-shadow:0 0 0 4px rgba(15,118,110,.10);
}
.timeline-date{font-size:12.5px;font-weight:700;color:var(--primary-dark);letter-spacing:.3px}
.timeline-title{margin-top:4px;font-size:16px;font-weight:700;color:var(--ink)}
.timeline-desc{margin-top:5px;font-size:14px;color:var(--muted);line-height:1.8}
/* ---------- assurance ---------- */
.assure-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.assure{
 display:flex;gap:16px;background:#fff;border:1px solid var(--border);
 border-radius:var(--radius-l);padding:22px;box-shadow:var(--shadow-s);
 transition:transform .2s ease,box-shadow .2s ease;
}
.assure:hover{transform:translateY(-3px);box-shadow:var(--shadow-m)}
.assure-icon{
 width:40px;height:40px;border-radius:11px;flex-shrink:0;display:grid;place-items:center;
 background:var(--accent-soft);color:#a4620a;
}
.assure-icon svg{width:20px;height:20px}
.assure h3{font-size:16px;font-weight:800;color:var(--ink)}
.assure p{margin-top:6px;font-size:13.8px;color:var(--muted);line-height:1.8}
/* ---------- faq ---------- */
.faq-list{max-width:880px;display:grid;gap:12px}
.faq-item{
 background:#fff;border:1px solid var(--border);border-radius:var(--radius-m);
 box-shadow:var(--shadow-s);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#bfdcd5;box-shadow:var(--shadow-m)}
.faq-item summary{
 list-style:none;cursor:pointer;padding:17px 22px;
 display:flex;align-items:center;justify-content:space-between;gap:16px;
 font-size:15px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"";width:9px;height:9px;flex-shrink:0;
 border-right:2px solid var(--primary);border-bottom:2px solid var(--primary);
 transform:rotate(45deg);transition:transform .2s ease;margin-right:2px;
}
.faq-item[open] summary::after{transform:rotate(-135deg)}
.faq-item summary:hover{color:var(--primary-dark)}
.faq-body{padding:0 22px 18px;font-size:14.3px;color:var(--muted);line-height:1.9}
/* ---------- cta ---------- */
.cta-band{
 position:relative;overflow:hidden;border-radius:var(--radius-l);
 background:linear-gradient(125deg,var(--deep) 0%,var(--deep-2) 62%,#15443c 100%);
 color:#eaf6f3;padding:48px;box-shadow:var(--shadow-l);
 display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;
}
.cta-band::after{
 content:"";position:absolute;right:-90px;bottom:-140px;width:340px;height:340px;border-radius:50%;
 background:radial-gradient(circle,rgba(40,167,149,.28),rgba(40,167,149,0) 70%);
}
.cta-band h2{font-size:25px;font-weight:800;line-height:1.45;color:#fff;position:relative;z-index:2}
.cta-band p{margin-top:12px;font-size:14.6px;line-height:1.85;color:rgba(234,246,243,.82);position:relative;z-index:2}
.cta-form{position:relative;z-index:2;display:grid;gap:12px}
.cta-form label{font-size:13px;color:rgba(234,246,243,.75);font-weight:600}
.cta-form input{
 width:100%;height:46px;border-radius:10px;border:1px solid rgba(255,255,255,.22);
 background:rgba(255,255,255,.08);padding:0 16px;color:#fff;font-size:14px;
 transition:border-color .2s ease,background .2s ease;
}
.cta-form input::placeholder{color:rgba(234,246,243,.5)}
.cta-form input:focus{outline:none;border-color:#8fe0d2;background:rgba(255,255,255,.14)}
.cta-form .btn{width:100%}
.cta-note{font-size:12.5px;color:rgba(234,246,243,.6);position:relative;z-index:2}
/* ---------- footer ---------- */
.site-footer{background:var(--deep);color:#c9dbd6;margin-top:0;padding:56px 0 0}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:40px;padding-bottom:38px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16.5px;font-weight:800;color:#fff}
.footer-brand .brand-icon{box-shadow:none}
.footer-about{margin-top:14px;font-size:13.6px;line-height:1.9;color:rgba(201,219,214,.78);max-width:420px}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px}
.footer-col ul{display:grid;gap:9px}
.footer-col a{font-size:13.6px;color:rgba(201,219,214,.78);transition:color .2s ease}
.footer-col a:hover{color:#8fe0d2}
.footer-bottom{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;padding:20px 0 26px;font-size:12.8px;color:rgba(201,219,214,.62)}
/* ---------- responsive ---------- */
@media (max-width:1100px){
 .nav-links{
  display:none;position:absolute;top:64px;left:0;right:0;
  flex-direction:column;align-items:stretch;gap:2px;
  background:#fff;border-bottom:1px solid var(--border);
  padding:12px 24px 18px;box-shadow:0 18px 30px rgba(19,36,32,.10);
 }
 .nav-links.open{display:flex}
 .nav-link{padding:11px 12px;font-size:15px}
 .nav-toggle{display:grid}
 .nav-search{display:none}
 .hero-grid{grid-template-columns:1fr;gap:30px}
 .article-title{font-size:30px}
 .cta-band{grid-template-columns:1fr;padding:38px}
 .footer-top{grid-template-columns:1fr 1fr}
}
@media (max-width:1024px){
 .section{padding:60px 0}
 .metric-grid{grid-template-columns:repeat(2,1fr)}
 .card-grid{grid-template-columns:repeat(2,1fr)}
 .assure-grid{grid-template-columns:1fr}
}
@media (max-width:768px){
 .container{padding:0 18px}
 .nav-wrap{gap:12px;height:60px}
 .brand-text{font-size:15px}
 .nav-links.top-adjust{top:60px}
 .nav-links{top:60px}
 .section{padding:52px 0}
 .section-head h2{font-size:22px}
 .article-title{font-size:26px}
 .article-lead{font-size:14.6px}
 .hero-figure img{aspect-ratio:16/10}
 .card-grid{grid-template-columns:1fr}
 .metric-grid{grid-template-columns:1fr 1fr;gap:14px}
 .metric{padding:20px 18px}
 .metric-num{font-size:27px}
 .article-body h2{font-size:20.5px}
 .cta-band{padding:30px 22px}
 .cta-band h2{font-size:21px}
 .footer-top{grid-template-columns:1fr;gap:28px}
 .footer-bottom{flex-direction:column}
 .btn{height:44px}
}
@media (max-width:520px){
 .article-title{font-size:23px;line-height:1.4}
 .meta-pill{font-size:12px}
 .metric-grid{grid-template-columns:1fr}
 .hero-tags span{font-size:12px;padding:5px 11px}
 .article-body{font-size:15px}
 .article-empty{padding:40px 20px}
 .nav-tools .btn-ghost{display:none}
 .section-head h2::before{height:18px}
}

/* roulang page: category1 */
:root{
 --ink:#132420;
 --ink-soft:#3b4f4a;
 --muted:#6b7d78;
 --primary:#0f766e;
 --primary-dark:#0a5a54;
 --primary-soft:#e2f2ef;
 --accent:#d97706;
 --accent-soft:#fdf1de;
 --bg:#f6f7f4;
 --surface:#ffffff;
 --surface-alt:#eef2ee;
 --border:#e1e7e2;
 --deep:#0d211e;
 --deep-2:#12312c;
 --radius-s:8px;
 --radius-m:12px;
 --radius-l:18px;
 --shadow-s:0 2px 8px rgba(19,36,32,.06);
 --shadow-m:0 12px 30px rgba(19,36,32,.10);
 --shadow-l:0 20px 48px rgba(19,36,32,.16);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 font-size:16px;line-height:1.75;color:var(--ink);background:var(--bg);
 overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--radius-m)}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px;border-radius:6px}
.anchor{display:block;height:0;scroll-margin-top:90px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
/* ---------- header ---------- */
.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(--border);
 transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 26px rgba(19,36,32,.09)}
.nav-wrap{display:flex;align-items:center;gap:20px;height:64px;position:relative}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px;letter-spacing:.2px;white-space:nowrap;flex-shrink:0}
.brand-icon{
 width:34px;height:34px;border-radius:10px;flex-shrink:0;
 background:linear-gradient(140deg,#0f766e,#28a795);
 color:#fff;display:grid;place-items:center;
 box-shadow:0 6px 14px rgba(15,118,110,.28);
}
.brand-icon svg{width:19px;height:19px}
.nav-links{display:flex;align-items:center;gap:4px;flex:1;justify-content:center}
.nav-link{
 padding:8px 13px;border-radius:9px;font-size:14.5px;font-weight:500;color:var(--ink-soft);
 transition:background .2s,color .2s;white-space:nowrap;
}
.nav-link:hover{background:var(--primary-soft);color:var(--primary-dark)}
.nav-link.is-active{background:var(--primary-soft);color:var(--primary-dark);font-weight:700}
.nav-tools{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-search input{
 width:150px;height:36px;border-radius:999px;border:1px solid var(--border);
 background:#f1f4f1;padding:0 16px;font-size:13px;transition:.2s;
}
.nav-search input::placeholder{color:#93a39e}
.nav-search input:focus{background:#fff;border-color:var(--primary);outline:none;width:180px}
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:7px;
 height:42px;padding:0 20px;border-radius:9px;font-size:14.5px;font-weight:600;
 border:1px solid transparent;cursor:pointer;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn svg{width:16px;height:16px}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 18px rgba(15,118,110,.24)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 12px 24px rgba(15,118,110,.3)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;border-color:var(--border);color:var(--ink-soft)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-s)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 8px 18px rgba(217,119,6,.26)}
.btn-accent:hover{background:#b96405;transform:translateY(-2px)}
.btn-sm{height:36px;padding:0 15px;font-size:13.5px;border-radius:8px}
.nav-toggle{
 display:none;width:40px;height:40px;border-radius:9px;border:1px solid var(--border);
 background:#fff;cursor:pointer;place-items:center;
}
.nav-toggle svg{width:20px;height:20px}
/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--deep);color:#fff}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.28}
.hero::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(105deg,rgba(9,28,25,.95) 0%,rgba(9,28,25,.84) 48%,rgba(9,28,25,.55) 100%);
}
.hero-inner{position:relative;z-index:2;padding:58px 0 62px}
.hero-grid{display:grid;grid-template-columns:1.12fr .88fr;gap:44px;align-items:start}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 font-size:13px;letter-spacing:.4px;color:#8fe0d2;
 background:rgba(40,167,149,.16);border:1px solid rgba(143,224,210,.32);
 padding:5px 13px;border-radius:999px;margin-bottom:18px;
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:#8fe0d2;display:block}
.hero h1{font-size:38px;line-height:1.3;font-weight:800;letter-spacing:.4px}
.hero h1 em{font-style:normal;color:#8fe0d2}
.hero-lead{margin-top:18px;font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.84);max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-actions .btn-ghost{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.28);color:#eaf6f3}
.hero-actions .btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#8fe0d2;color:#fff}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:26px}
.hero-tags span{
 font-size:13px;padding:6px 14px;border-radius:999px;
 background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);color:#d9eeea;
}
.hero-panel{
 background:rgba(255,255,255,.07);
 border:1px solid rgba(255,255,255,.18);
 border-radius:var(--radius-l);
 padding:20px 22px 22px;
 backdrop-filter:blur(6px);
}
.panel-head{
 display:flex;align-items:center;gap:9px;
 font-size:13.5px;font-weight:700;color:#cdeee7;letter-spacing:.4px;
 padding-bottom:14px;border-bottom:1px dashed rgba(255,255,255,.2);
}
.panel-head .dot{width:8px;height:8px;border-radius:50%;background:var(--accent);box-shadow:0 0 0 4px rgba(217,119,6,.2)}
.param-list{display:grid;gap:12px;margin-top:16px}
.param-list li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:rgba(255,255,255,.86);line-height:1.6}
.param-list li b{color:#8fe0d2;font-weight:700;flex-shrink:0;min-width:58px}
.panel-note{
 margin-top:16px;padding-top:14px;border-top:1px dashed rgba(255,255,255,.2);
 font-size:13px;line-height:1.7;color:rgba(255,255,255,.62);
}
/* ---------- section ---------- */
.section{padding:70px 0}
.section--alt{background:var(--surface-alt)}
.section--white{background:var(--surface)}
.section-head{max-width:760px;margin-bottom:36px}
.section-kicker{
 display:inline-flex;align-items:center;gap:9px;
 font-size:13px;font-weight:700;letter-spacing:1px;color:var(--primary);
 text-transform:uppercase;margin-bottom:12px;
}
.section-kicker::before{content:"";width:26px;height:3px;border-radius:2px;background:var(--accent)}
.section-head h2{font-size:29px;line-height:1.35;font-weight:800;letter-spacing:.3px}
.section-head p{margin-top:12px;font-size:15px;color:var(--ink-soft);line-height:1.8}
/* ---------- metric board ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.metric{
 background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-m);
 padding:22px 20px;box-shadow:var(--shadow-s);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.metric:hover{transform:translateY(-3px);box-shadow:var(--shadow-m);border-color:#cbe0da}
.metric .num{font-size:32px;font-weight:800;color:var(--primary-dark);line-height:1.1;letter-spacing:.5px}
.metric .num small{font-size:14px;font-weight:600;color:var(--muted);margin-left:4px}
.metric .label{margin-top:8px;font-size:14.5px;font-weight:600}
.metric .desc{margin-top:6px;font-size:13px;color:var(--muted);line-height:1.65}
/* ---------- module cards ---------- */
.module-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.module-card{
 background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-l);
 padding:24px 22px;box-shadow:var(--shadow-s);display:flex;flex-direction:column;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.module-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:#cbe0da}
.module-icon{
 width:44px;height:44px;border-radius:12px;display:grid;place-items:center;
 background:var(--primary-soft);color:var(--primary-dark);margin-bottom:16px;
}
.module-icon svg{width:22px;height:22px}
.module-card h3{font-size:17px;font-weight:700;line-height:1.5}
.module-card p{margin-top:9px;font-size:14px;color:var(--ink-soft);line-height:1.78;flex:1}
.tag-row{display:flex;flex-wrap:wrap;gap:7px;margin-top:16px}
.tag{
 font-size:12.5px;padding:4px 10px;border-radius:999px;
 background:var(--surface-alt);color:var(--ink-soft);border:1px solid var(--border);
}
.tag--accent{background:var(--accent-soft);color:#9a5606;border-color:#f3dcb9}
/* ---------- compare ---------- */
.compare-list{display:grid;gap:14px}
.compare-row{
 display:grid;grid-template-columns:.86fr 1.14fr 1.2fr;gap:20px;align-items:start;
 background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-m);
 padding:20px 22px;box-shadow:var(--shadow-s);
 transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.compare-row:hover{border-color:#cbe0da;box-shadow:var(--shadow-m);transform:translateY(-2px)}
.compare-row h3{font-size:15.5px;font-weight:700}
.compare-row .col p{font-size:14px;color:var(--ink-soft);line-height:1.75}
.compare-row .col span{
 display:block;font-size:12px;letter-spacing:.6px;color:var(--muted);
 text-transform:uppercase;margin-bottom:6px;font-weight:700;
}
.compare-row .col--fix p{color:var(--primary-dark);font-weight:500}
/* ---------- timeline ---------- */
.timeline{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;counter-reset:step}
.step{
 position:relative;background:var(--surface);border:1px solid var(--border);
 border-radius:var(--radius-m);padding:20px 18px;box-shadow:var(--shadow-s);
 transition:transform .2s ease,box-shadow .2s ease;
}
.step:hover{transform:translateY(-3px);box-shadow:var(--shadow-m)}
.step::before{
 counter-increment:step;content:counter(step,decimal-leading-zero);
 display:block;font-size:13px;font-weight:800;color:var(--accent);letter-spacing:1px;margin-bottom:10px;
}
.step h3{font-size:15.5px;font-weight:700}
.step p{margin-top:8px;font-size:13.5px;color:var(--ink-soft);line-height:1.7}
/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card{
 display:flex;flex-direction:column;
 background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-l);
 padding:22px;box-shadow:var(--shadow-s);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:#cbe0da}
.news-cat{
 align-self:flex-start;font-size:12.5px;font-weight:700;color:var(--primary-dark);
 background:var(--primary-soft);border-radius:999px;padding:3px 11px;margin-bottom:12px;
}
.news-card h3{font-size:16px;font-weight:700;line-height:1.55}
.news-card p{margin-top:9px;font-size:13.8px;color:var(--ink-soft);line-height:1.75;flex:1}
.news-date{margin-top:14px;font-size:12.5px;color:var(--muted);letter-spacing:.3px}
.news-foot{margin-top:28px;display:flex;justify-content:flex-start}
.empty-note{
 background:var(--surface);border:1px dashed var(--border);border-radius:var(--radius-m);
 padding:26px;text-align:center;color:var(--muted);font-size:14.5px;
}
/* ---------- assurance ---------- */
.assure-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.assure{
 background:var(--surface);border:1px solid var(--border);border-left:3px solid var(--primary);
 border-radius:var(--radius-m);padding:20px;box-shadow:var(--shadow-s);
 transition:transform .2s ease,box-shadow .2s ease;
}
.assure:hover{transform:translateY(-3px);box-shadow:var(--shadow-m)}
.assure h3{font-size:15.5px;font-weight:700}
.assure p{margin-top:8px;font-size:13.6px;color:var(--ink-soft);line-height:1.72}
/* ---------- quick answer ---------- */
.qa-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.qa{
 background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-l);
 padding:22px;box-shadow:var(--shadow-s);transition:transform .2s ease,box-shadow .2s ease;
}
.qa:hover{transform:translateY(-3px);box-shadow:var(--shadow-m)}
.qa h3{font-size:16px;font-weight:700;display:flex;gap:9px;align-items:flex-start}
.qa h3 span{
 flex-shrink:0;width:24px;height:24px;border-radius:7px;display:grid;place-items:center;
 background:var(--accent-soft);color:#9a5606;font-size:13px;font-weight:800;
}
.qa p{margin-top:10px;font-size:14px;color:var(--ink-soft);line-height:1.78}
/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
 background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-m);
 overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#cbe0da;box-shadow:var(--shadow-s)}
.faq-item summary{
 list-style:none;cursor:pointer;padding:18px 22px;
 font-size:15.5px;font-weight:600;display:flex;align-items:center;justify-content:space-between;gap:14px;
 transition:background .2s ease,color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:var(--surface-alt);color:var(--primary-dark)}
.faq-item summary::after{
 content:"+";font-size:20px;font-weight:700;color:var(--primary);line-height:1;flex-shrink:0;
 transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"–"}
.faq-body{padding:0 22px 20px;font-size:14.5px;color:var(--ink-soft);line-height:1.82}
/* ---------- form ---------- */
.cta-panel{
 background:linear-gradient(120deg,var(--deep) 0%,var(--deep-2) 62%,#17423a 100%);
 border-radius:var(--radius-l);color:#fff;padding:40px;
 display:grid;grid-template-columns:1fr 1fr;gap:38px;align-items:start;
 box-shadow:var(--shadow-m);
}
.cta-copy h2{font-size:27px;line-height:1.4;font-weight:800}
.cta-copy p{margin-top:14px;font-size:14.8px;line-height:1.85;color:rgba(255,255,255,.78)}
.cta-points{display:grid;gap:10px;margin-top:22px}
.cta-points li{display:flex;gap:9px;font-size:14px;color:rgba(255,255,255,.82);line-height:1.6}
.cta-points li::before{content:"";width:6px;height:6px;border-radius:50%;background:#8fe0d2;flex-shrink:0;margin-top:9px}
.lead-form{display:grid;gap:14px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);border-radius:var(--radius-m);padding:24px}
.field{display:grid;gap:7px}
.field label{font-size:13px;color:rgba(255,255,255,.72);letter-spacing:.3px}
.field input,.field select,.field textarea{
 width:100%;background:rgba(255,255,255,.94);border:1px solid transparent;
 border-radius:9px;padding:11px 13px;font-size:14px;color:var(--ink);
 transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{min-height:88px;resize:vertical}
.field input:focus,.field select:focus,.field textarea:focus{
 outline:none;border-color:var(--accent);box-shadow:0 0 0 3px rgba(217,119,6,.24);
}
.lead-form .btn{width:100%;margin-top:4px}
.form-note{font-size:12.5px;color:rgba(255,255,255,.55);line-height:1.6}
/* ---------- footer ---------- */
.site-footer{background:var(--deep);color:rgba(255,255,255,.72);padding:54px 0 26px;margin-top:0}
.footer-top{display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:36px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.12)}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:800;color:#fff;margin-bottom:14px}
.footer-about{font-size:13.8px;line-height:1.85;color:rgba(255,255,255,.6);max-width:440px}
.footer-col h4{font-size:14px;color:#fff;font-weight:700;margin-bottom:14px;letter-spacing:.4px}
.footer-col ul{display:grid;gap:9px}
.footer-col a{font-size:13.8px;color:rgba(255,255,255,.66);transition:color .2s ease,transform .2s ease;display:inline-block}
.footer-col a:hover{color:#8fe0d2;transform:translateX(2px)}
.footer-bottom{
 display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
 padding-top:22px;font-size:12.8px;color:rgba(255,255,255,.5);line-height:1.7;
}
/* ---------- responsive ---------- */
@media (max-width:1080px){
 .nav-search{display:none}
 .nav-toggle{display:grid}
 .nav-links{
  display:none;position:absolute;top:64px;left:0;right:0;
  background:#fff;flex-direction:column;align-items:stretch;
  gap:2px;padding:12px 24px 18px;border-bottom:1px solid var(--border);
  box-shadow:var(--shadow-m);
 }
 .nav-links.is-open{display:flex}
 .nav-links .nav-link{width:100%;padding:11px 12px;font-size:15px}
 .hero-grid{grid-template-columns:1fr;gap:30px}
 .metric-grid{grid-template-columns:repeat(2,1fr)}
 .module-grid{grid-template-columns:repeat(2,1fr)}
 .news-grid{grid-template-columns:repeat(2,1fr)}
 .assure-grid{grid-template-columns:repeat(2,1fr)}
 .qa-grid{grid-template-columns:repeat(2,1fr)}
 .compare-row{grid-template-columns:1fr;gap:14px}
 .timeline{grid-template-columns:repeat(2,1fr)}
 .cta-panel{grid-template-columns:1fr;padding:32px}
 .footer-top{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
 .container{padding:0 18px}
 .hero h1{font-size:29px}
 .hero-inner{padding:44px 0 48px}
 .section{padding:52px 0}
 .section-head h2{font-size:23px}
 .hero-lead{font-size:14.6px}
 .nav-tools .btn-ghost{display:none}
}
@media (max-width:520px){
 .brand-text{font-size:13.5px;letter-spacing:0}
 .brand-icon{width:30px;height:30px;border-radius:9px}
 .metric-grid,.module-grid,.news-grid,.assure-grid,.qa-grid,.timeline{grid-template-columns:1fr}
 .hero h1{font-size:25px}
 .hero-actions{flex-direction:column;align-items:stretch}
 .hero-actions .btn{width:100%}
 .hero-panel{padding:18px}
 .cta-panel{padding:24px}
 .footer-top{grid-template-columns:1fr}
 .footer-bottom{flex-direction:column}
 .nav-tools{gap:6px}
 .nav-tools .btn-primary{padding:0 12px;font-size:13px}
}

/* roulang page: category2 */
:root{
 --ink:#132420;
 --ink-soft:#3b4f4a;
 --muted:#6b7d78;
 --primary:#0f766e;
 --primary-dark:#0a5a54;
 --primary-soft:#e2f2ef;
 --accent:#d97706;
 --accent-soft:#fdf1de;
 --bg:#f6f7f4;
 --surface:#ffffff;
 --surface-alt:#eef2ee;
 --border:#e1e7e2;
 --deep:#0d211e;
 --deep-2:#12312c;
 --radius-s:8px;
 --radius-m:12px;
 --radius-l:18px;
 --shadow-s:0 2px 8px rgba(19,36,32,.06);
 --shadow-m:0 12px 30px rgba(19,36,32,.10);
 --shadow-l:0 20px 48px rgba(19,36,32,.16);
 --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
 margin:0;
 font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
 font-size:16px;line-height:1.75;color:var(--ink);background:var(--bg);
 overflow-x:hidden;
}
img{max-width:100%;display:block;border-radius:var(--radius-m)}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
button,input,textarea,select{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
/* ---------- header ---------- */
.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(--border);
 transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 26px rgba(19,36,32,.09)}
.nav-wrap{display:flex;align-items:center;gap:20px;height:64px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px;letter-spacing:.2px;white-space:nowrap;flex-shrink:0}
.brand-icon{
 width:34px;height:34px;border-radius:10px;flex-shrink:0;
 background:linear-gradient(140deg,#0f766e,#28a795);
 color:#fff;display:grid;place-items:center;
 box-shadow:0 6px 14px rgba(15,118,110,.28);
}
.brand-icon svg{width:19px;height:19px}
.nav-links{display:flex;align-items:center;gap:4px;flex:1;justify-content:center}
.nav-link{
 padding:8px 13px;border-radius:9px;font-size:14.5px;font-weight:500;color:var(--ink-soft);
 transition:background .2s,color .2s;white-space:nowrap;
}
.nav-link:hover{background:var(--primary-soft);color:var(--primary-dark)}
.nav-link.is-active{background:var(--primary-soft);color:var(--primary-dark);font-weight:700}
.nav-tools{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-search input{
 width:150px;height:36px;border-radius:999px;border:1px solid var(--border);
 background:#f1f4f1;padding:0 16px;font-size:13px;transition:.2s;
}
.nav-search input::placeholder{color:#93a39e}
.nav-search input:focus{background:#fff;border-color:var(--primary);outline:none;width:180px}
.btn{
 display:inline-flex;align-items:center;justify-content:center;gap:7px;
 height:42px;padding:0 20px;border-radius:9px;font-size:14.5px;font-weight:600;
 border:1px solid transparent;cursor:pointer;
 transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn svg{width:16px;height:16px}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 18px rgba(15,118,110,.24)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 12px 24px rgba(15,118,110,.3)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;border-color:var(--border);color:var(--ink-soft)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-s)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 8px 18px rgba(217,119,6,.26)}
.btn-accent:hover{background:#b96405;transform:translateY(-2px)}
.btn-sm{height:36px;padding:0 15px;font-size:13.5px;border-radius:8px}
.nav-toggle{
 display:none;width:40px;height:40px;border-radius:9px;border:1px solid var(--border);
 background:#fff;cursor:pointer;place-items:center;
}
.nav-toggle svg{width:20px;height:20px}
/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--deep);color:#fff}
.hero-bg{position:absolute;inset:0;background-size:cover;background-position:center;opacity:.28}
.hero::after{
 content:"";position:absolute;inset:0;
 background:linear-gradient(105deg,rgba(9,28,25,.95) 0%,rgba(9,28,25,.84) 48%,rgba(9,28,25,.56) 100%);
}
.hero-inner{position:relative;z-index:2;padding:62px 0 66px}
.hero-grid{display:grid;grid-template-columns:1.1fr .9fr;gap:46px;align-items:start}
.eyebrow{
 display:inline-flex;align-items:center;gap:8px;
 font-size:13px;letter-spacing:.4px;color:#8fe0d2;
 background:rgba(40,167,149,.16);border:1px solid rgba(143,224,210,.32);
 padding:5px 13px;border-radius:999px;margin-bottom:16px;
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:#8fe0d2;display:block}
.hero-title{font-size:clamp(28px,3.5vw,42px);line-height:1.26;font-weight:800;letter-spacing:-.3px}
.hero-lead{margin-top:18px;font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.84);max-width:600px}
.check-list{display:grid;gap:10px;margin-top:22px}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:14.5px;color:rgba(255,255,255,.9)}
.check-list svg{width:16px;height:16px;color:#8fe0d2;flex-shrink:0;margin-top:5px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-actions .btn-ghost{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.28);color:#eaf6f3}
.hero-actions .btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#8fe0d2;color:#fff}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:26px}
.hero-tags span{
 font-size:13px;padding:6px 14px;border-radius:999px;
 background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);color:#d9eeea;
}
.hero-panel{
 background:rgba(255,255,255,.08);
 border:1px solid rgba(255,255,255,.18);
 border-radius:var(--radius-l);
 padding:18px;
 backdrop-filter:blur(10px);
 -webkit-backdrop-filter:blur(10px);
 box-shadow:var(--shadow-l);
}
.hero-panel img{border-radius:var(--radius-m);aspect-ratio:16/10;object-fit:cover;width:100%}
.hero-panel-rows{display:grid;gap:2px;margin-top:16px}
.hero-row{display:flex;align-items:center;justify-content:space-between;gap:12px;padding:11px 2px;border-bottom:1px dashed rgba(255,255,255,.16);font-size:14px;color:rgba(255,255,255,.82)}
.hero-row:last-child{border-bottom:none}
.hero-row b{font-size:19px;color:#8fe0d2;font-weight:800}
.hero-panel-note{margin-top:12px;font-size:12.5px;color:rgba(255,255,255,.6);letter-spacing:.2px}
/* ---------- sections ---------- */
.section{padding:70px 0;background:var(--bg)}
.section--white{background:var(--surface)}
.section--alt{background:var(--surface-alt)}
.section--deep{background:var(--deep);color:#fff}
.section-head{max-width:760px;margin-bottom:34px}
.section-label{display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:700;color:var(--primary);letter-spacing:.6px}
.section-label::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px}
.section-title{font-size:clamp(22px,2.4vw,30px);line-height:1.36;font-weight:800;margin:12px 0 10px}
.section-desc{font-size:15px;color:var(--muted);line-height:1.8}
.section--deep .section-label{color:#8fe0d2}
.section--deep .section-desc{color:rgba(255,255,255,.72)}
/* ---------- metrics ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.metric{
 background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-m);
 padding:22px 20px;box-shadow:var(--shadow-s);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.metric:hover{transform:translateY(-3px);box-shadow:var(--shadow-m);border-color:#cbe0da}
.metric-num{font-size:30px;font-weight:800;line-height:1.2;color:var(--primary-dark);letter-spacing:-.5px}
.metric-num span{font-size:15px;font-weight:600;color:var(--muted);margin-left:3px}
.metric-label{margin-top:6px;font-size:14.5px;font-weight:700}
.metric-desc{margin-top:6px;font-size:13.5px;color:var(--muted);line-height:1.7}
/* ---------- cards ---------- */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.card{
 background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-l);
 overflow:hidden;box-shadow:var(--shadow-s);display:flex;flex-direction:column;
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:#cbe0da}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--surface-alt)}
.card-media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .35s ease}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:9px;flex:1}
.card-title{font-size:17px;font-weight:800;line-height:1.45}
.card-text{font-size:14px;color:var(--ink-soft);line-height:1.75}
.card-tags{display:flex;flex-wrap:wrap;gap:7px;margin-top:auto;padding-top:6px}
.tag{
 display:inline-block;font-size:12px;font-weight:600;color:var(--primary-dark);
 background:var(--primary-soft);border-radius:999px;padding:3px 11px;line-height:1.7;
}
.tag.tag-accent{background:var(--accent-soft);color:#a35b05}
/* ---------- scenario strip ---------- */
.scenario-strip{
 margin-top:28px;display:grid;grid-template-columns:repeat(3,1fr);gap:16px;
 background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-l);padding:22px;
}
.scenario-item{display:flex;gap:12px;align-items:flex-start}
.scenario-item .dot{
 width:30px;height:30px;border-radius:9px;background:var(--primary-soft);color:var(--primary-dark);
 display:grid;place-items:center;flex-shrink:0;
}
.scenario-item .dot svg{width:16px;height:16px}
.scenario-item h4{font-size:14.5px;font-weight:700;margin-bottom:3px}
.scenario-item p{font-size:13.5px;color:var(--muted);line-height:1.7}
/* ---------- compare table ---------- */
.table-wrap{overflow-x:auto;background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-l);box-shadow:var(--shadow-s)}
table.compare{width:100%;border-collapse:collapse;min-width:760px}
table.compare th{
 background:var(--surface-alt);text-align:left;padding:14px 18px;font-size:13.5px;
 font-weight:700;color:var(--ink-soft);white-space:nowrap;
}
table.compare td{padding:15px 18px;border-top:1px solid var(--border);font-size:14px;color:var(--ink-soft);line-height:1.75;vertical-align:top}
table.compare td:first-child{font-weight:700;color:var(--ink)}
table.compare tbody tr{transition:background .2s ease}
table.compare tbody tr:hover{background:#fafcfb}
.compare-tip{margin-top:16px;font-size:13.5px;color:var(--muted);display:flex;gap:8px;align-items:flex-start}
.compare-tip svg{width:15px;height:15px;flex-shrink:0;margin-top:5px;color:var(--accent)}
/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:30px;display:grid;gap:0;max-width:900px}
.timeline::before{
 content:"";position:absolute;left:7px;top:8px;bottom:10px;width:2px;
 background:linear-gradient(180deg,var(--primary),#7fc6ba);
 border-radius:2px;
}
.tl-item{position:relative;padding-bottom:26px}
.tl-item:last-child{padding-bottom:0}
.tl-item::before{
 content:"";position:absolute;left:-29px;top:7px;width:12px;height:12px;border-radius:50%;
 background:#fff;border:3px solid var(--primary);box-shadow:0 0 0 3px rgba(15,118,110,.12);
}
.tl-item h4{font-size:16px;font-weight:800;margin-bottom:5px}
.tl-item p{font-size:14px;color:var(--ink-soft);line-height:1.75;max-width:760px}
.tl-meta{margin-top:7px;display:inline-block;font-size:12.5px;color:var(--primary-dark);background:var(--primary-soft);border-radius:999px;padding:2px 11px}
/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-card{
 display:flex;flex-direction:column;gap:9px;
 background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-m);
 padding:20px;box-shadow:var(--shadow-s);
 transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-m);border-color:#cbe0da}
.news-card h3{font-size:16px;font-weight:700;line-height:1.55}
.news-card p{font-size:13.5px;color:var(--muted);line-height:1.72}
.news-meta{font-size:12.5px;color:#8b9a95;margin-top:auto;padding-top:6px}
.news-empty{
 padding:34px 24px;text-align:center;background:var(--surface);border:1px dashed var(--border);
 border-radius:var(--radius-m);color:var(--muted);font-size:14.5px;
}
.news-actions{margin-top:24px}
/* ---------- assurance ---------- */
.guard-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.guard{
 background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
 border-radius:var(--radius-m);padding:22px 20px;transition:transform .2s ease,background .2s ease,border-color .2s ease;
}
.guard:hover{transform:translateY(-3px);background:rgba(255,255,255,.1);border-color:rgba(143,224,210,.4)}
.guard-icon{
 width:38px;height:38px;border-radius:11px;display:grid;place-items:center;
 background:rgba(143,224,210,.14);color:#8fe0d2;margin-bottom:14px;
}
.guard-icon svg{width:19px;height:19px}
.guard h3{font-size:15.5px;font-weight:700;color:#fff;margin-bottom:6px}
.guard p{font-size:13.5px;color:rgba(255,255,255,.7);line-height:1.75}
/* ---------- quick answer ---------- */
.quick-list{display:grid;gap:14px;max-width:920px}
.quick-item{
 display:flex;gap:14px;align-items:flex-start;
 background:var(--surface);border:1px solid var(--border);border-left:4px solid var(--accent);
 border-radius:var(--radius-m);padding:18px 20px;box-shadow:var(--shadow-s);
}
.quick-index{font-size:18px;font-weight:800;color:var(--accent);line-height:1.4;min-width:26px}
.quick-item h3{font-size:15.5px;font-weight:700;margin-bottom:4px}
.quick-item p{font-size:14px;color:var(--ink-soft);line-height:1.75}
/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:880px}
.faq-item{
 background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-m);
 overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#cbe0da;box-shadow:var(--shadow-s)}
.faq-item summary{
 padding:16px 20px;cursor:pointer;font-size:15.5px;font-weight:700;color:var(--ink);
 display:flex;align-items:center;justify-content:space-between;gap:14px;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
 content:"+";font-size:19px;font-weight:600;color:var(--primary);line-height:1;flex-shrink:0;
 transition:transform .2s ease;
}
.faq-item[open] summary::after{content:"−"}
.faq-body{padding:0 20px 18px;font-size:14px;color:var(--ink-soft);line-height:1.8;max-width:760px}
/* ---------- form ---------- */
.form-wrap{
 display:grid;grid-template-columns:.92fr 1.08fr;gap:38px;
 background:var(--surface);border:1px solid var(--border);border-radius:var(--radius-l);
 padding:34px;box-shadow:var(--shadow-m);
}
.form-intro h2{font-size:clamp(20px,2.2vw,26px);font-weight:800;line-height:1.4;margin-bottom:12px}
.form-intro p{font-size:14.5px;color:var(--muted);line-height:1.8}
.form-points{display:grid;gap:9px;margin-top:18px}
.form-points li{display:flex;gap:9px;align-items:flex-start;font-size:14px;color:var(--ink-soft)}
.form-points svg{width:15px;height:15px;color:var(--primary);flex-shrink:0;margin-top:5px}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:14px}
.field{display:flex;flex-direction:column;gap:6px}
.field.full{grid-column:1 / -1}
.field label{font-size:13.5px;font-weight:600;color:var(--ink-soft)}
.field input,.field textarea,.field select{
 border:1px solid var(--border);border-radius:10px;padding:11px 14px;font-size:14.5px;
 background:#fbfcfb;transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;width:100%;
}
.field textarea{resize:vertical;min-height:96px;line-height:1.7}
.field input:focus,.field textarea:focus,.field select:focus{
 outline:none;border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(15,118,110,.14);
}
.form-foot{grid-column:1 / -1;display:flex;flex-wrap:wrap;align-items:center;gap:14px;margin-top:4px}
.form-note{font-size:13px;color:var(--muted)}
/* ---------- footer ---------- */
.site-footer{background:#0a1a17;color:rgba(255,255,255,.72);padding:56px 0 26px;border-top:1px solid rgba(255,255,255,.08)}
.footer-top{display:grid;grid-template-columns:1.4fr .8fr .8fr;gap:38px;padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.1)}
.footer-brand{display:flex;align-items:center;gap:10px;font-size:16px;font-weight:800;color:#fff;margin-bottom:12px}
.footer-about{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.62);max-width:430px}
.footer-col h4{font-size:14px;font-weight:700;color:#fff;margin-bottom:14px;letter-spacing:.3px}
.footer-col ul{display:grid;gap:9px}
.footer-col a{font-size:13.5px;color:rgba(255,255,255,.66);transition:color .2s ease}
.footer-col a:hover{color:#8fe0d2}
.footer-bottom{
 display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
 padding-top:20px;font-size:12.5px;color:rgba(255,255,255,.45);
}
/* ---------- responsive ---------- */
@media (max-width:1080px){
 .hero-grid{grid-template-columns:1fr;gap:34px}
 .metric-grid{grid-template-columns:repeat(2,1fr)}
 .card-grid{grid-template-columns:repeat(2,1fr)}
 .news-grid{grid-template-columns:repeat(2,1fr)}
 .guard-grid{grid-template-columns:repeat(2,1fr)}
 .scenario-strip{grid-template-columns:1fr}
 .form-wrap{grid-template-columns:1fr;padding:28px}
 .footer-top{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:900px){
 .nav-search{display:none}
 .nav-toggle{display:grid}
 .nav-links{
  position:absolute;top:64px;left:0;right:0;
  flex-direction:column;align-items:stretch;gap:4px;
  background:#fff;border-bottom:1px solid var(--border);
  padding:12px 20px 18px;box-shadow:0 16px 30px rgba(19,36,32,.12);
  display:none;
 }
 .nav-links.is-open{display:flex}
 .nav-link{padding:11px 12px;font-size:15px}
}
@media (max-width:768px){
 .hero-inner{padding:46px 0 50px}
 .section{padding:52px 0}
 .card-grid,.news-grid{grid-template-columns:1fr}
 .metric-grid{grid-template-columns:repeat(2,1fr)}
 .guard-grid{grid-template-columns:1fr}
 .form-grid{grid-template-columns:1fr}
 .footer-top{grid-template-columns:1fr}
 .timeline{padding-left:26px}
}
@media (max-width:520px){
 .container{padding:0 16px}
 .metric-grid{grid-template-columns:1fr}
 .hero-tags span{font-size:12px;padding:5px 11px}
 .btn{width:100%}
 .nav-tools .btn{width:auto}
 .form-wrap{padding:22px}
 .hero-panel{padding:14px}
}

/* roulang page: category3 */
:root{
  --ink:#132420;
  --ink-soft:#3b4f4a;
  --muted:#6b7d78;
  --primary:#0f766e;
  --primary-dark:#0a5a54;
  --primary-soft:#e2f2ef;
  --accent:#d97706;
  --accent-soft:#fdf1de;
  --bg:#f6f7f4;
  --surface:#ffffff;
  --surface-alt:#eef2ee;
  --border:#e1e7e2;
  --deep:#0d211e;
  --deep-2:#12312c;
  --radius-s:8px;
  --radius-m:12px;
  --radius-l:18px;
  --shadow-s:0 2px 8px rgba(19,36,32,.06);
  --shadow-m:0 12px 30px rgba(19,36,32,.10);
  --shadow-l:0 20px 48px rgba(19,36,32,.16);
  --container:1180px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.75;color:var(--ink);background:var(--bg);
  overflow-x:hidden;
}
h1,h2,h3,h4,p,ul,figure{margin:0}
ul{padding:0;list-style:none}
img{max-width:100%;display:block;border-radius:var(--radius-m)}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:3px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- header ---------- */
.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(--border);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 26px rgba(19,36,32,.09)}
.nav-wrap{display:flex;align-items:center;gap:20px;height:64px;position:relative}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:16px;letter-spacing:.2px;white-space:nowrap;flex-shrink:0}
.brand-icon{
  width:34px;height:34px;border-radius:10px;flex-shrink:0;
  background:linear-gradient(140deg,#0f766e,#28a795);
  color:#fff;display:grid;place-items:center;
  box-shadow:0 6px 14px rgba(15,118,110,.28);
}
.brand-icon svg{width:19px;height:19px}
.nav-links{display:flex;align-items:center;gap:4px;flex:1;justify-content:center}
.nav-link{
  padding:8px 13px;border-radius:9px;font-size:14.5px;font-weight:500;color:var(--ink-soft);
  transition:background .2s,color .2s;white-space:nowrap;
}
.nav-link:hover{background:var(--primary-soft);color:var(--primary-dark)}
.nav-link.is-active{background:var(--primary-soft);color:var(--primary-dark);font-weight:700}
.nav-tools{display:flex;align-items:center;gap:10px;flex-shrink:0}
.nav-search input{
  width:150px;height:36px;border-radius:999px;border:1px solid var(--border);
  background:#f1f4f1;padding:0 16px;font-size:13px;transition:.2s;
}
.nav-search input::placeholder{color:#93a39e}
.nav-search input:focus{background:#fff;border-color:var(--primary);outline:none;width:180px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:7px;
  height:42px;padding:0 20px;border-radius:9px;font-size:14.5px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease;
}
.btn svg{width:16px;height:16px}
.btn-primary{background:var(--primary);color:#fff;box-shadow:0 8px 18px rgba(15,118,110,.24)}
.btn-primary:hover{background:var(--primary-dark);transform:translateY(-2px);box-shadow:0 12px 24px rgba(15,118,110,.3)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:#fff;border-color:var(--border);color:var(--ink-soft)}
.btn-ghost:hover{border-color:var(--primary);color:var(--primary-dark);transform:translateY(-2px);box-shadow:var(--shadow-s)}
.btn-accent{background:var(--accent);color:#fff;box-shadow:0 8px 18px rgba(217,119,6,.26)}
.btn-accent:hover{background:#b96405;transform:translateY(-2px)}
.btn-sm{height:36px;padding:0 15px;font-size:13.5px;border-radius:8px}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:9px;border:1px solid var(--border);
  background:#fff;cursor:pointer;place-items:center;
}
.nav-toggle svg{width:20px;height:20px}

/* ---------- hero ---------- */
.hero{position:relative;overflow:hidden;background:var(--deep);color:#fff}
.hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-2.webp') center/cover no-repeat;opacity:.3}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(9,28,25,.95) 0%,rgba(9,28,25,.82) 48%,rgba(9,28,25,.55) 100%);
}
.hero-inner{position:relative;z-index:2;padding:62px 0 68px}
.hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.4px;color:#8fe0d2;
  background:rgba(40,167,149,.16);border:1px solid rgba(143,224,210,.32);
  padding:5px 13px;border-radius:999px;margin-bottom:18px;
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:#8fe0d2;display:block}
.hero h1{
  font-size:clamp(28px,3.4vw,40px);line-height:1.32;font-weight:800;letter-spacing:.4px;
}
.hero h1 em{font-style:normal;color:#8fe0d2}
.hero-lead{margin-top:16px;font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.84);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.hero-actions .btn-ghost{background:rgba(255,255,255,.06);border-color:rgba(255,255,255,.28);color:#eaf6f3}
.hero-actions .btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#8fe0d2;color:#fff}
.hero-tags{display:flex;flex-wrap:wrap;gap:9px;margin-top:24px}
.hero-tags span{
  font-size:13px;padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.2);color:#d9eeea;
}
.hero-visual{position:relative;padding:0 0 16px 16px}
.hero-visual::before{
  content:"";position:absolute;inset:16px -16px 0 0;
  border:1px solid rgba(143,224,210,.34);border-radius:calc(var(--radius-l) + 6px);
  transform:rotate(-2.2deg);
}
.hero-visual img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--radius-l);
  box-shadow:var(--shadow-l);transform:rotate(1.6deg);
}
.hero-kpi{
  position:absolute;left:-8px;bottom:-4px;display:flex;gap:18px;
  background:rgba(255,255,255,.97);color:var(--ink);
  border-radius:var(--radius-m);padding:12px 18px;box-shadow:var(--shadow-m);
}
.hero-kpi b{display:block;font-size:19px;color:var(--primary-dark);line-height:1.3}
.hero-kpi small{font-size:12px;color:var(--muted)}

/* ---------- sections ---------- */
.section{padding:66px 0}
.section-alt{background:var(--surface-alt)}
.section-deep{background:var(--deep);color:#fff}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;flex-wrap:wrap}
.sec-title{font-size:clamp(21px,2.2vw,26px);line-height:1.4;font-weight:800;position:relative;padding-left:16px}
.sec-title::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:2px;
  background:linear-gradient(180deg,var(--primary),var(--accent));
}
.sec-sub{color:var(--muted);font-size:14.5px;margin-top:8px;max-width:660px}
.section-deep .sec-sub{color:rgba(255,255,255,.72)}

/* ---------- metrics ---------- */
.metric-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.metric{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-l);
  padding:22px 22px 20px;box-shadow:var(--shadow-s);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.metric:hover{transform:translateY(-3px);box-shadow:var(--shadow-m);border-color:#cbe0da}
.metric-num{font-size:32px;font-weight:800;color:var(--primary-dark);line-height:1.2;letter-spacing:.5px}
.metric-num span{font-size:14px;font-weight:600;color:var(--muted);margin-left:4px}
.metric-label{font-size:14px;color:var(--ink-soft);margin-top:8px}

/* ---------- matrix ---------- */
.matrix-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.matrix-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-l);
  padding:24px;box-shadow:var(--shadow-s);display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.matrix-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-m);border-color:#cbe0da}
.matrix-icon{
  width:44px;height:44px;border-radius:12px;background:var(--primary-soft);color:var(--primary-dark);
  display:grid;place-items:center;margin-bottom:14px;
}
.matrix-icon svg{width:22px;height:22px}
.matrix-card h3{font-size:17px;font-weight:700;margin-bottom:8px}
.matrix-card p{font-size:14px;color:var(--ink-soft);line-height:1.78}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:auto;padding-top:14px}
.tag{
  display:inline-block;font-size:12.5px;padding:3px 10px;border-radius:999px;
  background:var(--primary-soft);color:var(--primary-dark);font-weight:600;
}
.tag-accent{background:var(--accent-soft);color:#a35b04}

/* ---------- compare ---------- */
.compare-grid{display:grid;gap:14px}
.compare-head{
  display:grid;grid-template-columns:.95fr 1.2fr 1.5fr;gap:18px;
  padding:0 22px;font-size:12.5px;letter-spacing:.5px;color:var(--muted);font-weight:700;
}
.compare-row{
  display:grid;grid-template-columns:.95fr 1.2fr 1.5fr;gap:18px;align-items:center;
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-m);
  padding:18px 22px;box-shadow:var(--shadow-s);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.compare-row:hover{transform:translateY(-2px);box-shadow:var(--shadow-m);border-color:#cbe0da}
.compare-name{font-weight:700;font-size:15.5px}
.compare-name small{display:block;font-weight:500;color:var(--muted);font-size:12.8px;margin-top:2px}
.compare-fan{font-weight:800;color:var(--accent);font-size:15px}
.compare-note{font-size:13.8px;color:var(--ink-soft);line-height:1.75}

/* ---------- flow ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.flow-step{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--radius-l);padding:24px 22px;color:#e8f4f1;
  transition:transform .2s ease,background .2s ease,border-color .2s ease;
}
.flow-step:hover{transform:translateY(-4px);background:rgba(255,255,255,.1);border-color:rgba(143,224,210,.45)}
.flow-num{font-size:13px;font-weight:700;color:#8fe0d2;letter-spacing:.14em}
.flow-step h3{font-size:17px;margin:8px 0 8px;color:#fff}
.flow-step p{font-size:13.8px;line-height:1.78;color:rgba(255,255,255,.76)}

/* ---------- news ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.news-item{
  display:flex;flex-direction:column;gap:10px;background:#fff;border:1px solid var(--border);
  border-radius:var(--radius-l);padding:22px;box-shadow:var(--shadow-s);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-m);border-color:#cbe0da}
.news-meta{display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--muted)}
.news-item h3{font-size:16px;line-height:1.58;font-weight:700}
.news-item h3 a:hover{color:var(--primary-dark)}
.news-item p{font-size:13.8px;color:var(--ink-soft);line-height:1.75}
.news-link{font-size:13.5px;font-weight:700;color:var(--primary-dark);margin-top:auto}
.news-link:hover{color:var(--accent)}
.empty-note{
  background:#fff;border:1px dashed var(--border);border-radius:var(--radius-m);
  padding:24px;color:var(--muted);font-size:14px;
}

/* ---------- assurance ---------- */
.assure-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.assure{
  background:#fff;border:1px solid var(--border);border-left:3px solid var(--primary);
  border-radius:var(--radius-m);padding:20px;box-shadow:var(--shadow-s);
  transition:transform .2s ease,box-shadow .2s ease;
}
.assure:hover{transform:translateY(-3px);box-shadow:var(--shadow-m)}
.assure h3{font-size:15.5px;margin-bottom:8px}
.assure p{font-size:13.6px;color:var(--ink-soft);line-height:1.78}

/* ---------- quick answer ---------- */
.qa-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px}
.qa{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-l);
  padding:22px;box-shadow:var(--shadow-s);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.qa:hover{transform:translateY(-3px);box-shadow:var(--shadow-m);border-color:#cbe0da}
.qa h3{font-size:15.8px;margin-bottom:8px;display:flex;gap:10px;align-items:flex-start}
.qa h3 span{color:var(--accent);font-weight:800;flex-shrink:0}
.qa p{font-size:14px;color:var(--ink-soft);line-height:1.78}

/* ---------- faq ---------- */
.faq{display:grid;gap:12px}
.faq details{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-m);
  padding:0 20px;box-shadow:var(--shadow-s);transition:border-color .2s ease;
}
.faq details[open]{border-color:#cbe0da}
.faq summary{
  cursor:pointer;list-style:none;padding:16px 0;font-weight:700;font-size:15.5px;
  display:flex;justify-content:space-between;gap:16px;align-items:center;
}
.faq summary::-webkit-details-marker{display:none}
.faq summary::after{content:"+";color:var(--primary);font-size:20px;font-weight:600;line-height:1}
.faq details[open] summary::after{content:"–"}
.faq-body{padding:0 0 18px;font-size:14px;color:var(--ink-soft);line-height:1.8}

/* ---------- settle form ---------- */
.settle-card{
  background:var(--deep-2);color:#fff;border-radius:var(--radius-l);
  padding:34px;display:grid;grid-template-columns:1fr 1.1fr;gap:34px;
  box-shadow:var(--shadow-l);border:1px solid rgba(255,255,255,.08);
}
.settle-intro h2{font-size:clamp(20px,2.1vw,24px);line-height:1.45;margin-bottom:12px;padding-left:16px;position:relative}
.settle-intro h2::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:4px;border-radius:2px;
  background:linear-gradient(180deg,#28a795,var(--accent));
}
.settle-intro p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.74)}
.settle-fields{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.field{display:flex;flex-direction:column;gap:8px}
.field label{font-size:13px;color:rgba(255,255,255,.74);font-weight:600}
.field input,.field select{
  height:44px;border-radius:9px;border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.08);padding:0 13px;color:#fff;outline:none;
  transition:border-color .2s ease,background .2s ease;
  width:100%;
}
.field input::placeholder{color:rgba(255,255,255,.42)}
.field input:focus,.field select:focus{border-color:#8fe0d2;background:rgba(255,255,255,.14)}
.field select option{color:#132420}
.settle-actions{grid-column:1/-1;display:flex;gap:12px;flex-wrap:wrap;align-items:center}
.settle-result{
  grid-column:1/-1;background:rgba(255,255,255,.94);color:var(--ink);
  border-radius:var(--radius-m);padding:18px 20px;border:1px solid rgba(143,224,210,.5);
  font-size:14px;line-height:1.85;
}
.settle-result strong{color:var(--primary-dark)}

/* ---------- footer ---------- */
.site-footer{background:var(--deep);color:rgba(255,255,255,.78);padding:52px 0 0}
.footer-top{
  display:grid;grid-template-columns:1.5fr 1fr 1fr;gap:36px;
  padding-bottom:34px;border-bottom:1px solid rgba(255,255,255,.14);
}
.footer-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:16px;margin-bottom:14px}
.footer-about{font-size:13.8px;line-height:1.85;color:rgba(255,255,255,.66);max-width:430px}
.footer-col h4{color:#fff;font-size:14.5px;margin-bottom:14px}
.footer-col ul{display:grid;gap:9px}
.footer-col a{font-size:13.6px;color:rgba(255,255,255,.7);transition:color .2s ease}
.footer-col a:hover{color:#8fe0d2}
.footer-bottom{
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  padding:20px 0 26px;font-size:12.8px;color:rgba(255,255,255,.5);
}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .nav-search{display:none}
  .nav-toggle{display:grid}
  .nav-links{
    position:absolute;top:64px;left:0;right:0;display:none;
    flex-direction:column;align-items:stretch;gap:2px;
    background:#fff;border-bottom:1px solid var(--border);
    padding:10px 16px 16px;box-shadow:var(--shadow-m);
    max-height:calc(100vh - 64px);overflow-y:auto;
  }
  .nav-links.is-open{display:flex}
  .nav-link{padding:12px 14px;border-radius:10px;min-height:44px;display:flex;align-items:center}
  .hero-grid{grid-template-columns:1fr;gap:34px}
  .hero-visual{max-width:600px;padding:0 0 12px 12px}
  .hero-kpi{position:static;margin-top:16px;display:inline-flex;box-shadow:var(--shadow-m)}
  .hero-visual img{transform:rotate(0.8deg)}
  .metric-grid{grid-template-columns:repeat(2,1fr)}
  .matrix-grid{grid-template-columns:repeat(2,1fr)}
  .flow-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .assure-grid{grid-template-columns:repeat(2,1fr)}
  .compare-head{display:none}
  .compare-row{grid-template-columns:1fr 1fr;gap:8px 18px}
  .compare-note{grid-column:1/-1}
  .settle-card{grid-template-columns:1fr;padding:26px}
  .footer-top{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:768px){
  .section{padding:50px 0}
  .hero-inner{padding:44px 0 52px}
  .sec-head{margin-bottom:26px}
  .qa-grid{grid-template-columns:1fr}
  .settle-fields{grid-template-columns:1fr}
  .footer-top{grid-template-columns:1fr}
  .nav-tools .btn-ghost{display:none}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .metric-grid,.matrix-grid,.flow-grid,.news-grid,.assure-grid{grid-template-columns:1fr}
  .hero-actions .btn{width:100%}
  .hero-kpi{gap:14px;padding:10px 14px;width:100%;justify-content:space-between}
  .hero-kpi b{font-size:17px}
  .compare-row{padding:16px}
  .footer-bottom{flex-direction:column;gap:6px}
}