/* roulang page: index */
:root{
  --brand:#1E5A8A;
  --brand-deep:#17486E;
  --brand-soft:#EAF2F9;
  --amber:#D9822B;
  --amber-soft:#FBF1E6;
  --green:#2E8B6B;
  --bg:#F6F8FA;
  --card:#FFFFFF;
  --text:#1C2733;
  --muted:#5C6B7A;
  --line:#E4E9EF;
  --radius-lg:16px;
  --radius-sm:10px;
  --shadow:0 2px 10px rgba(20,32,43,.06);
  --shadow-hover:0 10px 26px rgba(20,32,43,.10);
  --container:1200px;
  --ease:180ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color var(--ease)}
a:hover{text-decoration:underline;text-underline-offset:3px}
button{font:inherit;color:inherit}
ul,ol{margin:0;padding:0}
p{margin:0 0 14px}
h1,h2,h3,h4{margin:0;line-height:1.4;font-weight:700}
[id]{scroll-margin-top:92px}
.site-container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;line-height:1.2;text-align:center;
  border:1.5px solid transparent;cursor:pointer;
  transition:background-color var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:0 8px 18px rgba(23,72,110,.22);color:#fff}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-deep)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.btn:focus-visible,a:focus-visible,button:focus-visible,select:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 12px;border-radius:999px;
  font-size:13px;line-height:1.6;font-weight:500;
  background:var(--brand-soft);color:var(--brand);
  white-space:nowrap;
}
.pill-amber{background:var(--amber-soft);color:#A85F17}
.pill-green{background:#E8F4EF;color:var(--green)}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:0 4px 16px rgba(20,32,43,.08)}
.header-inner{
  position:relative;
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;
  min-height:72px;
}
.nav-left,.nav-right{display:flex;align-items:center;gap:2px;min-width:0}
.nav-right{justify-content:flex-end;gap:6px}
.nav-link{
  display:inline-flex;align-items:center;min-height:40px;padding:0 12px;
  border-radius:8px;font-size:15px;color:var(--muted);white-space:nowrap;
  transition:background-color var(--ease),color var(--ease);
}
.nav-link:hover{background:var(--brand-soft);color:var(--brand);text-decoration:none}
.nav-link.is-active{color:var(--brand);font-weight:600}
.brand{display:flex;align-items:center;gap:10px;justify-self:center;text-decoration:none}
.brand:hover{text-decoration:none}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;
  background:var(--brand-soft);color:var(--brand);flex:0 0 40px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-name{font-size:20px;font-weight:700;color:var(--brand);letter-spacing:.5px}
.brand-sub{font-size:12px;color:var(--muted);letter-spacing:.2px}
.nav-toggle{
  display:none;position:absolute;right:16px;top:50%;transform:translateY(-50%);
  width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
  background:#fff;color:var(--brand);align-items:center;justify-content:center;cursor:pointer;
  transition:background-color var(--ease),border-color var(--ease);
}
.nav-toggle:hover{background:var(--brand-soft);border-color:var(--brand)}
.mobile-drawer{
  display:none;position:fixed;left:0;right:0;top:73px;bottom:0;z-index:55;
  background:#fff;padding:12px 20px 48px;overflow-y:auto;
}
.mobile-drawer.is-open{display:block}
.drawer-group{padding:14px 0;border-bottom:1px solid var(--line)}
.drawer-group:last-child{border-bottom:0}
.drawer-title{font-size:13px;letter-spacing:.5px;color:var(--muted);margin:0 0 8px}
.drawer-link{
  display:flex;align-items:center;min-height:48px;padding:0 12px;border-radius:10px;
  font-size:16px;color:var(--text);border-left:3px solid transparent;
}
.drawer-link:hover{background:var(--brand-soft);color:var(--brand);text-decoration:none}
.drawer-link.is-active{color:var(--brand);font-weight:600;border-left-color:var(--brand);background:var(--brand-soft)}
.drawer-dl{display:grid;gap:10px}
body.no-scroll{overflow:hidden}

/* ---------- section base ---------- */
.section{padding:72px 0}
.section--alt{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:780px;margin-bottom:36px}
.section-head h2{font-size:30px;margin-bottom:12px}
.section-head p{color:var(--muted);margin:0;font-size:16px}
.section-head .eyebrow{
  display:inline-block;margin-bottom:10px;font-size:13px;font-weight:600;
  color:var(--brand);letter-spacing:.6px;
}

/* ---------- hero ---------- */
.hero{background:var(--bg);padding:56px 0 64px;border-bottom:1px solid var(--line)}
.hero-grid{display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);gap:48px;align-items:start}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 14px;border-radius:999px;background:#fff;
  border:1px solid var(--line);font-size:13px;color:var(--brand);font-weight:600;
}
.hero h1{font-size:42px;line-height:1.32;letter-spacing:-.5px;margin:18px 0 16px}
.hero h1 em{font-style:normal;color:var(--brand)}
.hero-pain{
  display:flex;gap:10px;align-items:flex-start;
  padding:12px 16px;border-radius:var(--radius-sm);
  background:#fff;border-left:3px solid var(--amber);
  font-size:15px;color:var(--muted);margin:0 0 18px;
}
.hero-lead{font-size:16px;color:var(--muted);margin:0 0 26px;max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;list-style:none}
.hero-tags li{
  padding:5px 14px;border-radius:999px;background:#EDF1F5;
  font-size:13px;color:var(--muted);white-space:nowrap;
}
.hero-panel{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow);padding:24px;
}
.lead-form-title{font-size:17px;font-weight:700;margin:0 0 4px}
.lead-form-sub{font-size:13px;color:var(--muted);margin:0 0 18px}
.field{margin-bottom:14px;min-width:0}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px}
.field select{
  width:100%;height:44px;padding:0 12px;border-radius:var(--radius-sm);
  border:1px solid var(--line);background:#fff;font-size:15px;color:var(--text);
  transition:border-color var(--ease),box-shadow var(--ease);
}
.field select:hover{border-color:#C9D5E0}
.field select:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(30,90,138,.12);outline:none}
.form-note{font-size:12px;color:var(--muted);margin:12px 0 0;line-height:1.7}
.hero-facts{margin-top:20px;padding-top:18px;border-top:1px dashed var(--line)}
.hero-facts-title{display:flex;justify-content:space-between;align-items:center;gap:10px;font-size:13px;color:var(--muted);margin-bottom:10px}
.fact-row{
  display:flex;justify-content:space-between;gap:12px;
  padding:8px 0;font-size:14px;border-bottom:1px solid #F1F4F8;
}
.fact-row:last-child{border-bottom:0}
.fact-row span:first-child{color:var(--muted)}
.fact-row span:last-child{font-weight:600;color:var(--text);text-align:right}

/* ---------- download ---------- */
.dl-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.dl-card{
  display:flex;flex-direction:column;gap:12px;min-width:0;
  padding:24px;border:1px solid var(--line);border-radius:var(--radius-lg);
  background:var(--card);box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.dl-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(30,90,138,.3)}
.dl-icon{
  width:44px;height:44px;border-radius:12px;display:inline-flex;
  align-items:center;justify-content:center;background:var(--brand-soft);color:var(--brand);
}
.dl-card h3{font-size:18px;margin:0}
.dl-card p{font-size:14px;color:var(--muted);margin:0}
.dl-card .btn{margin-top:auto}
.dl-note{
  margin-top:18px;padding:12px 16px;border-radius:var(--radius-sm);
  background:#EDF1F5;color:var(--muted);font-size:13px;
}

/* ---------- steps ---------- */
.step-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;
  list-style:none;counter-reset:step;
}
.step-item{
  position:relative;padding:22px 20px 20px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  box-shadow:var(--shadow);min-width:0;
}
.step-item::after{
  content:"";position:absolute;top:52px;right:-24px;width:24px;height:2px;
  background:linear-gradient(90deg,rgba(30,90,138,.35),rgba(30,90,138,.08));
}
.step-item:last-child::after{display:none}
.step-num{font-size:30px;font-weight:700;color:rgba(30,90,138,.28);line-height:1;display:block;margin-bottom:10px}
.step-item h3{font-size:18px;margin:0 0 8px}
.step-item p{font-size:14px;color:var(--muted);margin:0}

/* ---------- split rows ---------- */
.split-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:40px;align-items:center;margin-bottom:44px}
.split-row:last-child{margin-bottom:0}
.split-row.is-reverse .split-text{order:2}
.split-row.is-reverse .split-visual{order:1}
.split-text h3{font-size:21px;margin:0 0 12px}
.split-text > p{color:var(--muted);font-size:15px;margin-bottom:18px}
.dim-list{list-style:none;display:grid;gap:10px}
.dim-list li{
  display:flex;gap:10px;align-items:flex-start;
  padding:10px 14px;border-radius:var(--radius-sm);background:#F2F6FA;
  font-size:14px;color:var(--text);
}
.dim-list li strong{color:var(--brand);font-weight:600;flex:0 0 auto}
.split-visual{
  position:relative;aspect-ratio:4/3;border-radius:var(--radius-lg);
  background:linear-gradient(150deg,#F1F6FB 0%,#E3EDF6 100%);
  border:1px solid var(--line);box-shadow:var(--shadow);
  display:flex;align-items:center;justify-content:center;overflow:hidden;
}
.split-visual::before{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(30,90,138,.07) 1px,transparent 1px),linear-gradient(90deg,rgba(30,90,138,.07) 1px,transparent 1px);
  background-size:34px 34px;
}
.visual-plate{
  position:relative;z-index:1;width:78%;padding:18px;
  background:rgba(255,255,255,.94);border-radius:var(--radius-sm);
  border:1px solid rgba(30,90,138,.14);box-shadow:var(--shadow);
}
.visual-plate .vp-title{font-size:13px;font-weight:600;color:var(--brand);margin:0 0 10px}
.vp-bar{height:8px;border-radius:999px;background:#E7EEF5;margin-bottom:8px}
.vp-bar span{display:block;height:100%;border-radius:999px;background:var(--brand);opacity:.7}
.vp-bar:nth-child(2) span{width:82%}
.vp-bar:nth-child(3) span{width:64%}
.vp-bar:nth-child(4) span{width:46%}
.vp-bar:last-child{margin-bottom:0}
.visual-note{
  position:absolute;left:16px;bottom:16px;z-index:2;
  padding:6px 12px;border-radius:999px;background:#fff;
  border:1px solid var(--line);font-size:12px;color:var(--muted);
}

/* ---------- notice ---------- */
.notice-card{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,.8fr);gap:32px;
  padding:30px 32px;border-radius:var(--radius-lg);
  background:var(--card);border:1px solid var(--line);
  border-left:4px solid var(--amber);box-shadow:var(--shadow);
}
.notice-card h2{font-size:24px;margin:0 0 12px}
.notice-card p{color:var(--muted);font-size:15px;margin:0 0 12px}
.check-list{list-style:none;display:grid;gap:12px;align-content:start}
.check-list li{
  display:flex;gap:10px;align-items:flex-start;
  font-size:14px;color:var(--text);padding:12px 14px;
  border-radius:var(--radius-sm);background:#FAFBFC;border:1px solid var(--line);
}
.check-list li::before{
  content:"";flex:0 0 8px;height:8px;margin-top:10px;border-radius:50%;background:var(--amber);
}

/* ---------- stats ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.stat-card{
  padding:26px 22px;border-radius:var(--radius-lg);
  background:var(--card);border:1px solid var(--line);
  box-shadow:var(--shadow);min-width:0;
}
.stat-num{font-size:32px;font-weight:700;color:var(--brand);line-height:1.1;display:block}
.stat-label{font-size:15px;font-weight:600;margin:8px 0 6px}
.stat-desc{font-size:13px;color:var(--muted);margin:0}

/* ---------- risk ---------- */
.risk-split{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1fr);gap:40px;align-items:start}
.risk-split h2{font-size:28px;margin:0 0 14px}
.risk-split p{color:var(--muted);font-size:15px}
.risk-cards{display:grid;gap:16px}
.risk-card{
  padding:20px 22px;border-radius:var(--radius-lg);
  background:var(--card);border:1px solid var(--line);
  box-shadow:var(--shadow);border-left:4px solid var(--brand);
  transition:transform var(--ease),box-shadow var(--ease);
}
.risk-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.risk-card h3{font-size:18px;margin:0 0 8px;display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.risk-card p{font-size:14px;color:var(--muted);margin:0 0 8px}
.risk-card .mini{font-size:12px;color:#8C99A6}

/* ---------- scenes ---------- */
.scene-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;align-items:start}
.scene-card{
  padding:24px;border-radius:var(--radius-lg);background:var(--card);
  border:1px solid var(--line);box-shadow:var(--shadow);min-width:0;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.scene-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(30,90,138,.3)}
.scene-card h3{font-size:18px;margin:0 0 8px}
.scene-card p{font-size:14px;color:var(--muted);margin:0 0 12px}
.scene-arrow{display:inline-flex;align-items:center;gap:6px;font-size:13px;color:var(--brand);font-weight:600}
.scene-card:nth-child(2){padding-top:34px}
.scene-card:nth-child(4){padding-top:30px}
.scene-card:nth-child(6){padding-top:38px}

/* ---------- topics ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.topic-card{
  display:flex;gap:18px;align-items:flex-start;min-width:0;
  padding:22px;border-radius:var(--radius-lg);background:var(--card);
  border:1px solid var(--line);box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.topic-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(30,90,138,.3)}
.topic-thumb{
  flex:0 0 96px;width:96px;height:96px;border-radius:12px;
  background:linear-gradient(140deg,#E9F1F8,#D5E5F2);
  display:flex;align-items:center;justify-content:center;color:var(--brand);
}
.topic-body{min-width:0}
.topic-body h3{font-size:18px;margin:0 0 8px}
.topic-body p{font-size:14px;color:var(--muted);margin:0 0 10px}
.topic-link{font-size:14px;font-weight:600;color:var(--brand)}
.topic-static{font-size:13px;color:#8C99A6}

/* ---------- cases ---------- */
.case-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
.case-card{
  position:relative;padding:24px;border-radius:var(--radius-lg);
  background:var(--card);border:1px solid var(--line);box-shadow:var(--shadow);
  min-width:0;transition:transform var(--ease),box-shadow var(--ease);
}
.case-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover)}
.case-tag{position:absolute;top:16px;right:16px}
.case-card h3{font-size:18px;margin:0 0 12px;padding-right:78px}
.case-steps{list-style:none;display:grid;gap:8px;margin-bottom:14px}
.case-steps li{font-size:14px;color:var(--muted);display:flex;gap:8px;align-items:flex-start}
.case-steps li span{flex:0 0 18px;color:var(--brand);font-weight:600}
.case-focus{font-size:13px;color:var(--text);background:#F2F6FA;border-radius:var(--radius-sm);padding:10px 12px}

/* ---------- news ---------- */
.news-layout{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:32px;align-items:start}
.news-list{display:grid;gap:14px}
.news-row{
  display:flex;align-items:center;gap:20px;min-width:0;
  padding:16px;border-radius:var(--radius-lg);background:var(--card);
  border:1px solid var(--line);box-shadow:var(--shadow);color:inherit;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.news-row:hover{text-decoration:none;transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(30,90,138,.3)}
.news-thumb{
  flex:0 0 200px;width:200px;height:130px;border-radius:12px;
  background:linear-gradient(140deg,#E9F1F8,#D5E5F2);position:relative;overflow:hidden;
}
.news-thumb::after{
  content:"";position:absolute;inset:auto 12px 12px 12px;height:6px;border-radius:999px;
  background:rgba(30,90,138,.18);
}
.news-body{flex:1 1 auto;min-width:0}
.news-title{display:block;font-size:17px;font-weight:600;color:var(--text);margin-bottom:6px;line-height:1.55}
.news-desc{
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  font-size:14px;color:var(--muted);line-height:1.7;
}
.news-meta{
  flex:0 0 auto;display:flex;flex-direction:column;align-items:flex-end;gap:8px;
  text-align:right;font-size:13px;color:#8C99A6;
}
.news-empty{
  padding:36px 24px;border:1.5px dashed var(--line);border-radius:var(--radius-lg);
  text-align:center;color:var(--muted);font-size:14px;background:var(--card);
}
.news-empty .btn{margin-top:14px}
.side-card{
  padding:22px;border-radius:var(--radius-lg);background:var(--card);
  border:1px solid var(--line);box-shadow:var(--shadow);margin-bottom:20px;
}
.side-card h3{font-size:17px;margin:0 0 14px}
.rank-list{list-style:none;display:grid;gap:12px;counter-reset:rank}
.rank-list li{display:flex;gap:12px;align-items:flex-start;font-size:14px;line-height:1.6}
.rank-list li::before{
  counter-increment:rank;content:counter(rank);
  flex:0 0 22px;height:22px;border-radius:6px;
  background:var(--brand-soft);color:var(--brand);
  font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.rank-list a{color:var(--text)}
.rank-list a:hover{color:var(--brand)}
.rank-empty{font-size:14px;color:var(--muted);margin:0}
.term-pills{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px}

/* ---------- source ---------- */
.source-bar{
  display:flex;flex-wrap:wrap;gap:16px 28px;align-items:center;justify-content:space-between;
  padding:24px 28px;border-radius:var(--radius-lg);
  background:#F2F6FA;border:1px solid var(--line);
}
.source-bar p{margin:0;font-size:14px;color:var(--muted);flex:1 1 320px;min-width:0}

/* ---------- faq ---------- */
.faq-list{background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);box-shadow:var(--shadow);padding:6px 28px}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 0;background:none;border:0;cursor:pointer;text-align:left;
  font-size:17px;font-weight:600;color:var(--text);line-height:1.6;
}
.faq-q:hover{color:var(--brand)}
.faq-icon{
  flex:0 0 26px;width:26px;height:26px;border-radius:8px;background:var(--brand-soft);
  color:var(--brand);display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:700;line-height:1;transition:transform var(--ease),background-color var(--ease);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--brand);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height 200ms ease}
.faq-item.is-open .faq-a{max-height:360px}
.faq-a p{margin:0 0 18px;font-size:15px;color:var(--muted);line-height:1.85}

/* ---------- assure ---------- */
.assure{background:var(--brand-deep);color:#fff;padding:44px 0}
.assure-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px}
.assure-item{min-width:0}
.assure-item h3{font-size:16px;margin:0 0 6px;color:#fff}
.assure-item p{font-size:14px;color:rgba(255,255,255,.78);margin:0;line-height:1.7}

/* ---------- cta ---------- */
.cta{background:var(--card);border-top:1px solid var(--line);padding:64px 0}
.cta-inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:24px;
  padding:36px 40px;border-radius:var(--radius-lg);
  background:var(--bg);border:1px solid var(--line);
}
.cta-text{flex:1 1 380px;min-width:0}
.cta-text h2{font-size:26px;margin:0 0 10px}
.cta-text p{margin:0;color:var(--muted);font-size:15px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.to-top{font-size:14px;color:var(--muted)}

/* ---------- footer ---------- */
.site-footer{background:var(--card);border-top:1px solid var(--line);padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr repeat(3,minmax(0,1fr));gap:32px;margin-bottom:32px}
.footer-brand .brand-name{display:block;margin-bottom:6px}
.footer-about{font-size:14px;color:var(--muted);margin:12px 0 0;line-height:1.85}
.footer-title{font-size:15px;font-weight:700;margin:0 0 14px;color:var(--text)}
.footer-list{list-style:none;display:grid;gap:10px}
.footer-list a{font-size:14px;color:var(--muted)}
.footer-list a:hover{color:var(--brand)}
.footer-risk{
  font-size:13px;color:var(--muted);line-height:1.85;
  padding:16px 20px;border-radius:var(--radius-sm);background:var(--bg);
  border:1px solid var(--line);margin-bottom:28px;
}
.friend-links{padding:22px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.friend-links .footer-title{margin-bottom:12px}
.friend-list{list-style:none;display:flex;flex-wrap:wrap;gap:10px 20px}
.friend-list a{font-size:14px;color:var(--muted)}
.friend-list a:hover{color:var(--brand)}
.copyright{padding-top:22px;font-size:13px;color:#8C99A6;display:flex;flex-wrap:wrap;gap:8px 20px;justify-content:space-between}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .hero-grid{gap:36px}
  .hero h1{font-size:38px}
}
@media (max-width:1023px){
  .site-container{padding:0 24px}
  .nav-left,.nav-right{display:none}
  .nav-toggle{display:flex}
  .header-inner{display:flex;justify-content:flex-start;padding-right:64px;min-height:68px}
  .brand{justify-self:auto}
  .mobile-drawer{top:69px}
  .hero{padding:44px 0 52px}
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:32px}
  .hero h1{font-size:34px}
  .section{padding:56px 0}
  .section-head h2{font-size:26px}
  .step-strip{grid-template-columns:repeat(2,minmax(0,1fr))}
  .step-item::after{display:none}
  .split-row{grid-template-columns:minmax(0,1fr);gap:24px}
  .split-row.is-reverse .split-text{order:1}
  .split-row.is-reverse .split-visual{order:2}
  .notice-card{grid-template-columns:minmax(0,1fr);gap:22px}
  .stat-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .risk-split{grid-template-columns:minmax(0,1fr);gap:26px}
  .scene-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .scene-card:nth-child(n){padding-top:24px}
  .topic-grid{grid-template-columns:minmax(0,1fr)}
  .case-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .news-layout{grid-template-columns:minmax(0,1fr)}
  .assure-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-inner{padding:28px}
}
@media (max-width:767px){
  .site-container{padding:0 16px}
  body{font-size:16px}
  .hero h1{font-size:28px;line-height:1.36}
  .hero-lead{font-size:15px}
  .hero-actions .btn{flex:1 1 100%}
  .section{padding:44px 0}
  .section-head h2{font-size:23px}
  .section-head{margin-bottom:26px}
  .dl-grid{grid-template-columns:minmax(0,1fr)}
  .step-strip{grid-template-columns:minmax(0,1fr)}
  .stat-grid{grid-template-columns:minmax(0,1fr)}
  .scene-grid{grid-template-columns:minmax(0,1fr)}
  .case-grid{grid-template-columns:minmax(0,1fr)}
  .topic-card{flex-direction:column;gap:14px}
  .topic-thumb{width:100%;flex:0 0 auto;height:120px}
  .news-row{flex-wrap:wrap;gap:12px}
  .news-thumb{flex:0 0 96px;width:96px;height:72px}
  .news-body{flex:1 1 140px}
  .news-meta{flex:1 1 100%;flex-direction:row;align-items:center;justify-content:space-between}
  .assure-grid{grid-template-columns:minmax(0,1fr)}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:24px}
  .faq-list{padding:6px 18px}
  .faq-q{font-size:16px}
  .cta-inner{padding:22px}
  .cta-text h2{font-size:22px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%}
  .copyright{flex-direction:column;gap:6px}
}
@media (max-width:520px){
  .brand-name{font-size:18px}
  .brand-sub{font-size:11px}
  .hero-eyebrow{font-size:12px}
  .hero-tags li{font-size:12px}
  .split-text h3{font-size:19px}
  .risk-split h2{font-size:22px}
  .visual-plate{width:86%;padding:14px}
}

/* roulang page: article */
:root{
  --brand:#1E5A8A;
  --brand-deep:#17486E;
  --brand-soft:#EAF2F9;
  --amber:#D9822B;
  --amber-soft:#FBF1E6;
  --green:#2E8B6B;
  --bg:#F6F8FA;
  --card:#FFFFFF;
  --text:#1C2733;
  --muted:#5C6B7A;
  --line:#E4E9EF;
  --radius-lg:16px;
  --radius-sm:10px;
  --shadow:0 2px 10px rgba(20,32,43,.06);
  --shadow-hover:0 10px 26px rgba(20,32,43,.10);
  --container:1200px;
  --ease:180ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color var(--ease)}
a:hover{text-decoration:underline;text-underline-offset:3px}
button{font:inherit;color:inherit}
ul,ol{margin:0}
p{margin:0}
.site-container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;line-height:1.2;text-align:center;
  border:1.5px solid transparent;cursor:pointer;
  transition:background-color var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:0 8px 18px rgba(23,72,110,.22);color:#fff}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-deep)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}
.btn-block{width:100%}
.btn:focus-visible,a:focus-visible,button:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 12px;border-radius:999px;
  font-size:13px;line-height:1.6;font-weight:500;
  background:var(--brand-soft);color:var(--brand);
  white-space:nowrap;
}
.pill-amber{background:var(--amber-soft);color:#A85F17}
.pill-green{background:#E8F4EF;color:var(--green)}

/* header */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:0 4px 16px rgba(20,32,43,.08)}
.header-inner{
  position:relative;
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;
  min-height:72px;
}
.nav-left,.nav-right{display:flex;align-items:center;gap:2px;min-width:0}
.nav-right{justify-content:flex-end;gap:6px}
.nav-link{
  display:inline-flex;align-items:center;min-height:40px;padding:0 12px;
  border-radius:8px;font-size:15px;color:var(--muted);white-space:nowrap;
  transition:background-color var(--ease),color var(--ease);
}
.nav-link:hover{background:var(--brand-soft);color:var(--brand);text-decoration:none}
.nav-link.is-active{color:var(--brand);font-weight:600}
.brand{display:flex;align-items:center;gap:10px;justify-self:center;text-decoration:none}
.brand:hover{text-decoration:none}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;
  background:var(--brand-soft);color:var(--brand);flex:0 0 40px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-name{font-size:20px;font-weight:700;color:var(--brand);letter-spacing:.5px}
.brand-sub{font-size:12px;color:var(--muted);letter-spacing:.2px}
.nav-toggle{
  display:none;position:absolute;right:16px;top:50%;transform:translateY(-50%);
  width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
  background:#fff;color:var(--brand);align-items:center;justify-content:center;cursor:pointer;
  transition:background-color var(--ease),border-color var(--ease);
}
.nav-toggle:hover{background:var(--brand-soft);border-color:var(--brand)}
.mobile-drawer{
  display:none;position:fixed;left:0;right:0;top:73px;bottom:0;z-index:55;
  background:#fff;padding:12px 20px 48px;overflow-y:auto;
}
.mobile-drawer.is-open{display:block}
.drawer-group{padding:14px 0;border-bottom:1px solid var(--line)}
.drawer-group:last-child{border-bottom:0}
.drawer-title{font-size:13px;letter-spacing:.5px;color:var(--muted);margin:0 0 8px}
.drawer-link{
  display:flex;align-items:center;min-height:48px;padding:0 12px;border-radius:10px;
  font-size:16px;color:var(--text);border-left:3px solid transparent;
}
.drawer-link:hover{background:var(--brand-soft);color:var(--brand);text-decoration:none}
.drawer-link.is-active{color:var(--brand);font-weight:600;border-left-color:var(--brand);background:var(--brand-soft)}
.drawer-dl{display:grid;gap:10px}
body.no-scroll{overflow:hidden}

/* layout */
.section{padding:72px 0}
.section--alt{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:780px;margin-bottom:36px}
.section-head h2{font-size:30px;margin:0 0 12px;line-height:1.4}
.section-head p{color:var(--muted);margin:0;font-size:16px}
.section-head .eyebrow{
  display:inline-block;margin-bottom:10px;font-size:13px;font-weight:600;
  color:var(--brand);letter-spacing:.6px;
}

/* article head */
.article-head-wrap{padding:36px 0 40px;background:var(--bg);border-bottom:1px solid var(--line)}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:#B6C2CE}
.breadcrumb .crumb-current{color:var(--text);max-width:100%;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.article-head{max-width:860px}
.article-head .pill-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:14px}
.article-head h1{
  font-size:34px;line-height:1.4;letter-spacing:-.4px;
  margin:0 0 16px;font-weight:700;color:var(--text);
  overflow-wrap:break-word;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:13px;color:var(--muted);
}
.article-meta .dot{color:#C4CFDA}
.article-meta .meta-item{white-space:nowrap}

/* article layout */
.article-section{padding:52px 0 72px;background:var(--bg)}
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,1fr) 300px;
  gap:48px;
  align-items:start;
}
.article-main{min-width:0;max-width:800px}
.article-side{min-width:0;display:grid;gap:20px;position:sticky;top:96px}

/* key points */
.key-points{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:22px 24px;box-shadow:var(--shadow);margin-bottom:32px;
}
.key-points h2{
  font-size:17px;margin:0 0 12px;color:var(--brand);
  display:flex;align-items:center;gap:8px;
}
.key-points ul{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.key-points li{
  position:relative;padding-left:18px;font-size:15px;color:var(--muted);line-height:1.75;
}
.key-points li::before{
  content:"";position:absolute;left:0;top:10px;
  width:7px;height:7px;border-radius:50%;background:var(--brand);
}

/* article body */
.article-body{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:36px 40px;box-shadow:var(--shadow);
  font-size:16.5px;line-height:1.85;color:var(--text);
  overflow-wrap:break-word;
}
.article-body > *:first-child{margin-top:0}
.article-body h2{
  font-size:24px;line-height:1.5;margin:36px 0 14px;
  padding-left:12px;border-left:4px solid var(--brand);font-weight:700;
  scroll-margin-top:88px;
}
.article-body h3{
  font-size:19px;line-height:1.55;margin:28px 0 12px;font-weight:600;
  scroll-margin-top:88px;
}
.article-body h4{font-size:17px;margin:22px 0 10px;font-weight:600}
.article-body p{margin:0 0 16px}
.article-body ul,.article-body ol{padding-left:22px;margin:0 0 18px}
.article-body li{margin-bottom:8px}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--brand-deep)}
.article-body blockquote{
  margin:22px 0;padding:14px 18px;background:var(--brand-soft);
  border-left:3px solid var(--brand);border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:#2C3C4C;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:var(--radius-sm);margin:20px 0;height:auto;max-width:100%}
.article-body figure{margin:22px 0}
.article-body figcaption{font-size:12px;color:var(--muted);text-align:center;margin-top:8px}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:20px 0}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.article-body th{background:var(--brand-soft);font-weight:600;color:#22384A}
.article-body pre{
  background:#F2F5F8;padding:14px 16px;border-radius:var(--radius-sm);
  overflow-x:auto;font-size:14px;line-height:1.7;
}
.article-body code{background:#F2F5F8;padding:1px 5px;border-radius:4px;font-size:14px}

/* side cards */
.side-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:20px;box-shadow:var(--shadow);
  transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.side-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:rgba(30,90,138,.28)}
.side-card h2{font-size:16px;margin:0 0 12px;color:var(--text);line-height:1.5}
.side-card p{font-size:14px;color:var(--muted);line-height:1.8;margin:0 0 12px}
.side-dl{display:grid;gap:10px;margin-top:4px}
.side-note{font-size:12.5px;color:var(--muted);margin:10px 0 0;line-height:1.7}

/* empty state */
.empty-state{
  background:var(--card);border:1.5px dashed #CBD6E1;border-radius:var(--radius-lg);
  padding:48px 24px;text-align:center;
}
.empty-state p{font-size:15px;color:var(--muted);margin:0 0 16px}

/* focus grid */
.focus-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.focus-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:24px;box-shadow:var(--shadow);min-width:0;
  transition:box-shadow var(--ease),transform var(--ease),border-color var(--ease);
}
.focus-card:hover{box-shadow:var(--shadow-hover);transform:translateY(-2px);border-color:rgba(30,90,138,.28)}
.focus-card .num{
  display:inline-flex;align-items:center;justify-content:center;
  width:32px;height:32px;border-radius:10px;background:var(--brand-soft);
  color:var(--brand);font-size:14px;font-weight:700;margin-bottom:14px;
}
.focus-card h3{font-size:18px;margin:0 0 10px;line-height:1.5}
.focus-card p{font-size:14.5px;color:var(--muted);margin:0;line-height:1.8}

/* risk band */
.risk-card{
  background:var(--amber-soft);border-left:4px solid var(--amber);
  border-radius:0 var(--radius-lg) var(--radius-lg) 0;
  padding:22px 26px;
}
.risk-card h2{font-size:18px;margin:0 0 10px;color:#8A4E12;line-height:1.5}
.risk-card p{font-size:14.5px;color:#6B5744;margin:0 0 10px;line-height:1.85}
.risk-card p:last-child{margin-bottom:0}

/* download cta */
.dl-cta{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:36px;box-shadow:var(--shadow);
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,420px);gap:32px;align-items:center;
}
.dl-cta h2{font-size:26px;margin:0 0 12px;line-height:1.45}
.dl-cta p{font-size:15px;color:var(--muted);margin:0;line-height:1.8}
.dl-buttons{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:12px}
.dl-buttons .btn{width:100%}

/* back nav */
.back-nav{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  padding-top:8px;
}
.back-link{font-size:15px;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.back-link:hover{text-decoration:underline;text-underline-offset:3px}

/* footer */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:56px 0 24px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.footer-brand .brand-name{display:block;font-size:20px;font-weight:700;color:var(--brand)}
.footer-brand .brand-sub{display:block;font-size:13px;color:var(--muted);margin:2px 0 12px}
.footer-about{font-size:14px;color:var(--muted);margin:0;line-height:1.8}
.footer-title{font-size:15px;font-weight:600;margin:0 0 12px;color:var(--text)}
.footer-list{list-style:none;padding:0;margin:0}
.footer-list li{margin-bottom:8px}
.footer-list a{font-size:14px;color:var(--muted)}
.footer-list a:hover{color:var(--brand)}
.footer-risk{
  margin:32px 0 0;padding:14px 18px;background:var(--bg);
  border-left:3px solid var(--amber);border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  font-size:13px;color:var(--muted);line-height:1.8;
}
.friend-links{margin-top:26px}
.friend-list{display:flex;flex-wrap:wrap;gap:8px 18px;list-style:none;padding:0;margin:0}
.friend-list li{min-width:0}
.friend-list a{font-size:14px;color:var(--muted)}
.friend-list a:hover{color:var(--brand)}
.copyright{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px;
  margin-top:24px;padding-top:18px;border-top:1px solid var(--line);
  font-size:13px;color:var(--muted);
}

@media (max-width:1023px){
  .site-container{padding:0 24px}
  .header-inner{display:flex;justify-content:space-between}
  .nav-left,.nav-right{display:none}
  .nav-toggle{display:inline-flex}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px}
  .article-main{max-width:100%}
  .article-side{position:static;grid-template-columns:repeat(2,minmax(0,1fr));display:grid}
  .focus-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .dl-cta{grid-template-columns:minmax(0,1fr);gap:24px}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px}
  .article-head h1{font-size:30px}
  .section{padding:56px 0}
}
@media (max-width:768px){
  .site-container{padding:0 16px}
  .article-head-wrap{padding:28px 0 32px}
  .article-head h1{font-size:26px;line-height:1.45}
  .article-body{padding:24px 20px;font-size:16px}
  .article-body h2{font-size:21px}
  .article-body h3{font-size:18px}
  .article-body table{display:block;overflow-x:auto;white-space:nowrap}
  .article-side{grid-template-columns:minmax(0,1fr)}
  .focus-grid{grid-template-columns:minmax(0,1fr)}
  .dl-buttons{grid-template-columns:minmax(0,1fr)}
  .dl-buttons .btn{width:100%}
  .dl-cta{padding:24px 20px}
  .dl-cta h2{font-size:22px}
  .article-section{padding:36px 0 56px}
  .section{padding:44px 0}
  .section-head h2{font-size:23px}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .copyright{flex-direction:column}
}
@media (max-width:520px){
  .article-head h1{font-size:23px}
  .article-meta{font-size:12.5px;gap:8px}
  .key-points{padding:18px 16px}
  .risk-card{padding:18px 16px}
  .btn{min-height:44px}
}

/* roulang page: category1 */
:root{
  --brand:#1E5A8A;
  --brand-deep:#17486E;
  --brand-soft:#EAF2F9;
  --amber:#D9822B;
  --amber-soft:#FBF1E6;
  --green:#2E8B6B;
  --bg:#F6F8FA;
  --card:#FFFFFF;
  --text:#1C2733;
  --muted:#5C6B7A;
  --line:#E4E9EF;
  --radius-lg:16px;
  --radius-sm:10px;
  --shadow:0 2px 10px rgba(20,32,43,.06);
  --shadow-hover:0 10px 26px rgba(20,32,43,.10);
  --container:1200px;
  --ease:180ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:system-ui,-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color var(--ease)}
a:hover{text-decoration:underline;text-underline-offset:3px}
button{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.35;font-weight:700}
p{margin:0}
ul,ol{margin:0;padding:0}
.site-container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--radius-sm);
  font-size:15px;font-weight:600;line-height:1.2;text-align:center;
  border:1.5px solid transparent;cursor:pointer;
  transition:background-color var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn:hover{text-decoration:none}
.btn-primary{background:var(--brand);color:#fff}
.btn-primary:hover{background:var(--brand-deep);transform:translateY(-1px);box-shadow:0 8px 18px rgba(23,72,110,.22);color:#fff}
.btn-ghost{background:transparent;border-color:var(--brand);color:var(--brand)}
.btn-ghost:hover{background:var(--brand-soft);color:var(--brand-deep)}
.btn-sm{min-height:38px;padding:0 16px;font-size:14px}
.btn:focus-visible,a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:3px 12px;border-radius:999px;
  font-size:13px;line-height:1.6;font-weight:500;
  background:var(--brand-soft);color:var(--brand);
  white-space:nowrap;
}
.pill-amber{background:var(--amber-soft);color:#A85F17}
/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:0 4px 16px rgba(20,32,43,.08)}
.header-inner{
  position:relative;
  display:grid;grid-template-columns:1fr auto 1fr;align-items:center;gap:16px;
  min-height:72px;
}
.nav-left,.nav-right{display:flex;align-items:center;gap:2px;min-width:0}
.nav-right{justify-content:flex-end;gap:6px}
.nav-link{
  display:inline-flex;align-items:center;min-height:40px;padding:0 12px;
  border-radius:8px;font-size:15px;color:var(--muted);white-space:nowrap;
  transition:background-color var(--ease),color var(--ease);
}
.nav-link:hover{background:var(--brand-soft);color:var(--brand);text-decoration:none}
.nav-link.is-active{color:var(--brand);font-weight:600}
.brand{display:flex;align-items:center;gap:10px;justify-self:center;text-decoration:none}
.brand:hover{text-decoration:none}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:12px;
  background:var(--brand-soft);color:var(--brand);flex:0 0 40px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.25}
.brand-name{font-size:20px;font-weight:700;color:var(--brand);letter-spacing:.5px}
.brand-sub{font-size:12px;color:var(--muted);letter-spacing:.2px}
.nav-toggle{
  display:none;position:absolute;right:0;top:50%;transform:translateY(-50%);
  width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
  background:#fff;color:var(--brand);align-items:center;justify-content:center;cursor:pointer;
  transition:background-color var(--ease),border-color var(--ease);
}
.nav-toggle:hover{background:var(--brand-soft);border-color:var(--brand)}
.mobile-drawer{
  display:none;position:fixed;left:0;right:0;top:73px;bottom:0;z-index:55;
  background:#fff;padding:12px 20px 48px;overflow-y:auto;
}
.mobile-drawer.is-open{display:block}
.drawer-group{padding:14px 0;border-bottom:1px solid var(--line)}
.drawer-group:last-child{border-bottom:0}
.drawer-title{font-size:13px;letter-spacing:.5px;color:var(--muted);margin:0 0 8px}
.drawer-link{
  display:flex;align-items:center;min-height:48px;padding:0 12px;border-radius:10px;
  font-size:16px;color:var(--text);border-left:3px solid transparent;
}
.drawer-link:hover{background:var(--brand-soft);color:var(--brand);text-decoration:none}
.drawer-link.is-active{color:var(--brand);font-weight:600;border-left-color:var(--brand);background:var(--brand-soft)}
.drawer-dl{display:grid;gap:10px}
body.no-scroll{overflow:hidden}
/* ---------- page head ---------- */
.page-head{background:#fff;border-bottom:1px solid var(--line);padding:28px 0 44px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted);margin-bottom:18px}
.breadcrumb a{color:var(--muted)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .current{color:var(--brand);font-weight:600}
.breadcrumb .sep{color:#B9C4CF}
.page-head-row{display:grid;grid-template-columns:minmax(0,1fr) auto;gap:32px;align-items:center}
.page-head h1{font-size:38px;letter-spacing:-.5px;margin:0 0 14px}
.page-head-lead{margin:0;max-width:760px;color:var(--muted);font-size:16px}
.page-head-count{
  display:flex;flex-direction:column;align-items:center;justify-content:center;
  min-width:158px;padding:18px 22px;background:var(--brand-soft);
  border-radius:var(--radius-lg);
}
.count-num{font-size:34px;font-weight:700;color:var(--brand);line-height:1.2}
.count-label{font-size:13px;color:var(--muted);text-align:center}
/* ---------- sections ---------- */
.section{padding:64px 0}
.section--alt{background:var(--card);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:800px;margin-bottom:32px}
.section-head h2{font-size:28px;margin:0 0 10px}
.section-head p{margin:0;color:var(--muted);font-size:15px}
/* ---------- intro card ---------- */
.intro-card{
  background:var(--card);border:1px solid var(--line);border-left:4px solid var(--brand);
  border-radius:var(--radius-lg);padding:28px 32px;box-shadow:var(--shadow);
}
.intro-card p{color:var(--text);font-size:16px;margin:0 0 14px}
.intro-card p:last-of-type{margin-bottom:18px}
.intro-points{list-style:none;display:grid;gap:10px}
.intro-points li{position:relative;padding-left:22px;font-size:15px;color:var(--muted)}
.intro-points li::before{
  content:"";position:absolute;left:0;top:11px;width:8px;height:8px;
  border-radius:50%;background:var(--brand);
}
/* ---------- topic grid ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.topic-card{
  min-width:0;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:24px 26px;box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.topic-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(30,90,138,.3)}
.topic-index{font-size:13px;font-weight:700;color:var(--brand);letter-spacing:1px}
.topic-card h3{font-size:19px;margin:8px 0 10px}
.topic-card p{font-size:15px;color:var(--muted);margin:0 0 14px}
.topic-tags{display:flex;flex-wrap:wrap;gap:8px}
/* ---------- timeline ---------- */
.timeline{list-style:none;max-width:880px}
.timeline li{position:relative;padding-left:66px;padding-bottom:28px}
.timeline li:last-child{padding-bottom:0}
.timeline li::before{
  content:"";position:absolute;left:19px;top:46px;bottom:0;width:2px;background:var(--line);
}
.timeline li:last-child::before{display:none}
.step-num{
  position:absolute;left:0;top:0;width:40px;height:40px;border-radius:50%;
  background:var(--brand-soft);border:1px solid rgba(30,90,138,.18);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:15px;font-weight:700;
}
.timeline h3{font-size:18px;margin:0 0 6px}
.timeline p{font-size:15px;color:var(--muted)}
/* ---------- compare ---------- */
.compare-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.compare-card{
  min-width:0;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow);
}
.compare-card h3{font-size:19px;margin:0 0 6px}
.compare-card .compare-note{font-size:13px;color:var(--muted);margin:0 0 16px}
.compare-card ul{list-style:none;display:grid;gap:2px}
.compare-card li{
  font-size:15px;color:var(--muted);padding:11px 0;border-bottom:1px dashed var(--line);
}
.compare-card li:last-child{border-bottom:0;padding-bottom:0}
.compare-card li strong{color:var(--text);font-weight:600}
/* ---------- faq ---------- */
.faq-list{display:grid;gap:12px;max-width:900px}
.faq-item{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:0 20px;transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-item:hover{border-color:rgba(30,90,138,.3)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:16px 0;font-size:16px;font-weight:600;
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";font-size:22px;line-height:1;color:var(--brand);
  transition:transform var(--ease);flex:0 0 auto;
}
.faq-item[open] summary::after{content:"−"}
.faq-item .faq-answer{margin:0 0 18px;color:var(--muted);font-size:15px}
/* ---------- post list ---------- */
.post-list{display:grid;gap:14px}
.post-row{
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:20px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:20px 24px;transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.post-row:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(30,90,138,.3)}
.post-row h3{font-size:18px;margin:0 0 6px}
.post-row h3 a{color:var(--text)}
.post-row h3 a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.post-excerpt{
  margin:0;font-size:14px;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{display:flex;flex-direction:column;align-items:flex-end;gap:6px;font-size:13px;color:var(--muted);white-space:nowrap}
.empty-state{
  border:1.5px dashed #CBD5DF;border-radius:var(--radius-lg);
  padding:36px 24px;text-align:center;color:var(--muted);font-size:14px;background:var(--card);
}
/* ---------- risk + cta ---------- */
.risk-bar{
  background:var(--amber-soft);border-left:4px solid var(--amber);
  border-radius:var(--radius-sm);padding:16px 20px;font-size:14px;color:#8A5A22;margin-bottom:24px;
}
.cta-card{
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:24px;align-items:center;
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:32px;box-shadow:var(--shadow);
}
.cta-card h2{font-size:24px;margin:0 0 8px}
.cta-card p{font-size:15px;color:var(--muted);margin:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.dl-inline{display:flex;flex-wrap:wrap;gap:16px;margin-top:14px;font-size:14px}
.dl-inline a{color:var(--muted)}
.dl-inline a:hover{color:var(--brand)}
/* ---------- footer ---------- */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:56px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.5fr .8fr .8fr .8fr;gap:32px}
.footer-brand .brand-name{display:block;font-size:20px;font-weight:700;color:var(--brand)}
.footer-brand .brand-sub{display:block;margin-bottom:12px}
.footer-about{font-size:14px;color:var(--muted);line-height:1.8;margin:0}
.footer-title{font-size:14px;font-weight:600;color:var(--text);margin:0 0 12px}
.footer-list{list-style:none;display:grid;gap:8px}
.footer-list a{font-size:14px;color:var(--muted)}
.footer-list a:hover{color:var(--brand)}
.footer-risk{
  font-size:13px;color:var(--muted);background:var(--bg);border-left:3px solid var(--amber);
  border-radius:var(--radius-sm);padding:14px 16px;margin-top:32px;line-height:1.8;
}
.friend-links{margin-top:24px;padding-top:20px;border-top:1px solid var(--line)}
.friend-list{list-style:none;display:flex;flex-wrap:wrap;gap:10px 20px}
.friend-list a{font-size:14px;color:var(--muted)}
.friend-list a:hover{color:var(--brand)}
.copyright{
  margin-top:24px;padding-top:18px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:8px 24px;
  font-size:13px;color:var(--muted);
}
@media (max-width:1180px){
  .nav-link{padding:0 9px;font-size:14px}
}
@media (max-width:991px){
  .nav-left,.nav-right{display:none}
  .brand{justify-self:start}
  .nav-toggle{display:flex}
  .page-head-row{grid-template-columns:minmax(0,1fr);gap:20px}
  .page-head-count{
    flex-direction:row;gap:10px;justify-content:flex-start;min-width:0;align-items:baseline;
  }
  .count-num{font-size:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (min-width:992px){
  .mobile-drawer{display:none !important}
}
@media (max-width:768px){
  .site-container{padding:0 24px}
  .section{padding:52px 0}
  .page-head h1{font-size:30px}
  .topic-grid,.compare-grid{grid-template-columns:minmax(0,1fr)}
  .post-row{grid-template-columns:minmax(0,1fr);gap:12px;padding:18px 20px}
  .post-meta{flex-direction:row;align-items:center;justify-content:flex-start;flex-wrap:wrap;gap:8px}
  .cta-card{grid-template-columns:minmax(0,1fr);padding:26px}
  .intro-card{padding:24px}
}
@media (max-width:520px){
  .site-container{padding:0 16px}
  .section{padding:44px 0}
  .page-head{padding:22px 0 34px}
  .page-head h1{font-size:26px}
  .section-head h2{font-size:23px}
  .footer-grid{grid-template-columns:minmax(0,1fr)}
  .timeline li{padding-left:54px}
  .step-num{width:34px;height:34px;font-size:14px}
  .timeline li::before{left:16px;top:40px}
  .cta-actions .btn{width:100%}
  .brand-name{font-size:18px}
  .brand-sub{font-size:11px}
}