/* roulang page: index */
:root{
  --c-brand:#D6472F;
  --c-brand-2:#E9A13B;
  --c-ink:#1B1A18;
  --c-ink-2:#4A463F;
  --c-paper:#FAF6F0;
  --c-card:#FFFFFF;
  --c-line:#EAE2D6;
  --c-sage:#2E6B5E;
  --c-warm:#FFF1E6;
  --grad:linear-gradient(120deg,#D6472F 0%,#E9A13B 100%);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --sh-1:0 8px 24px rgba(27,26,24,.06);
  --sh-2:0 16px 40px rgba(27,26,24,.10);
  --t:all .25s ease;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-paper);
  color:var(--c-ink-2);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-brand);text-decoration:none;transition:var(--t);}
a:hover{color:#b23a26;}
h1,h2,h3,h4,h5{color:var(--c-ink);margin:0;line-height:1.3;font-weight:700;}
p{margin:0 0 1em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;}

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

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(250,246,240,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--c-line);
  transition:var(--t);
}
.site-header.is-scrolled{box-shadow:0 2px 14px rgba(27,26,24,.08);}
.site-nav-inner{display:flex;align-items:center;gap:18px;height:76px;transition:var(--t);}
.site-header.is-scrolled .site-nav-inner{height:64px;}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;color:var(--c-ink);}
.brand:hover{color:var(--c-ink);}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:14px;
  background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:19px;font-weight:800;letter-spacing:0;
  box-shadow:0 6px 16px rgba(214,71,47,.26);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0;}
.brand-text strong{font-size:19px;color:var(--c-ink);letter-spacing:.5px;}
.brand-text small{font-size:11.5px;color:#8b8378;letter-spacing:.4px;white-space:nowrap;}
.site-menu{display:flex;align-items:center;gap:26px;margin-left:auto;}
.menu-link{
  position:relative;font-size:15px;color:var(--c-ink-2);font-weight:500;padding:4px 0;
}
.menu-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:var(--t);
}
.menu-link:hover,.menu-link.is-active{color:var(--c-brand);}
.menu-link:hover::after,.menu-link.is-active::after{transform:scaleX(1);}
.site-header-actions{display:flex;align-items:center;gap:12px;margin-left:8px;}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--grad);color:#fff;font-weight:700;font-size:15px;
  border:0;border-radius:999px;padding:12px 24px;cursor:pointer;
  box-shadow:0 10px 22px rgba(214,71,47,.24);
  transition:var(--t);
}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(214,71,47,.32);}
.btn-brand:active{transform:translateY(1px);filter:brightness(.96);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:#fff;color:var(--c-ink);font-weight:600;font-size:15px;
  border:1px solid var(--c-line);border-radius:999px;padding:11px 22px;
  cursor:pointer;transition:var(--t);
}
.btn-ghost:hover{border-color:var(--c-brand);color:var(--c-brand);transform:translateY(-2px);box-shadow:var(--sh-1);}
.btn-ghost:active{transform:translateY(1px);}
.btn-brand.small{padding:10px 20px;font-size:14px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--c-line);background:#fff;color:var(--c-ink);
  font-size:17px;cursor:pointer;align-items:center;justify-content:center;
}
.site-offcanvas{border-left:1px solid var(--c-line);}
.site-offcanvas .offcanvas-header{border-bottom:1px solid var(--c-line);}
.site-offcanvas .offcanvas-title{font-size:17px;color:var(--c-ink);}
.mobile-link{
  display:block;height:48px;line-height:48px;font-size:16px;color:var(--c-ink);
  border-bottom:1px solid var(--c-line);
}
.mobile-link:hover{color:var(--c-brand);}
.mobile-download{
  display:block;text-align:center;margin-top:22px;padding:13px 18px;border-radius:999px;
  background:var(--grad);color:#fff;font-weight:700;box-shadow:0 10px 22px rgba(214,71,47,.24);
}
.mobile-download:hover{color:#fff;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:
    radial-gradient(1200px 420px at 88% -10%,rgba(233,161,59,.18),transparent 62%),
    radial-gradient(900px 360px at 6% 8%,rgba(214,71,47,.10),transparent 60%),
    var(--c-warm);
}
.hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:4px;background:var(--grad);opacity:.9;
}
.hero-grid{
  display:grid;grid-template-columns:minmax(0,1.12fr) minmax(0,.88fr);
  gap:52px;align-items:center;padding:70px 0 78px;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;background:#fff;
  border:1px solid rgba(214,71,47,.26);
  font-size:13px;color:var(--c-brand);font-weight:600;letter-spacing:.3px;
  box-shadow:0 6px 16px rgba(214,71,47,.10);
}
.hero-badge .dot{width:7px;height:7px;border-radius:50%;background:var(--grad);}
.hero h1{
  font-size:44px;line-height:1.18;font-weight:800;letter-spacing:-.5px;
  margin:20px 0 18px;
}
.hero h1 .hl{
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{font-size:16px;line-height:1.95;color:var(--c-ink-2);max-width:640px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;}
.mini-badge{
  display:inline-flex;align-items:center;gap:9px;
  background:#fff;border:1px solid var(--c-line);border-radius:999px;
  padding:9px 16px;font-size:13px;color:var(--c-ink-2);
  box-shadow:0 4px 12px rgba(27,26,24,.04);
  transition:var(--t);
}
.mini-badge:hover{transform:translateY(-2px);box-shadow:var(--sh-1);}
.mini-badge i{color:var(--c-brand);}
.hero-visual{position:relative;min-width:0;}
.quote-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:26px 24px;position:relative;
}
.quote-card .qc-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px;}
.quote-card .qc-title{font-size:15px;font-weight:700;color:var(--c-ink);}
.qc-tag{font-size:12px;padding:4px 10px;border-radius:999px;background:var(--c-warm);color:var(--c-brand);font-weight:600;}
.qc-row{
  display:flex;align-items:center;gap:12px;padding:11px 0;border-bottom:1px dashed var(--c-line);
}
.qc-row:last-of-type{border-bottom:0;}
.qc-row .qc-name{font-size:14px;color:var(--c-ink);flex:0 0 auto;min-width:88px;}
.qc-bars{display:flex;align-items:flex-end;gap:4px;height:26px;margin-left:auto;}
.qc-bars span{width:6px;border-radius:3px;background:linear-gradient(180deg,#E9A13B,#D6472F);opacity:.85;}
.qc-foot{font-size:12.5px;color:#8b8378;margin-top:14px;line-height:1.7;}
.float-chip{
  position:absolute;left:-16px;bottom:-18px;
  background:#fff;border:1px solid var(--c-line);border-radius:16px;
  padding:12px 16px;box-shadow:var(--sh-2);font-size:12.5px;color:var(--c-ink-2);
  display:flex;align-items:center;gap:10px;max-width:250px;
}
.float-chip i{color:var(--c-sage);font-size:15px;}

/* ---------- Sections ---------- */
.section{padding:84px 0;}
.section.bg-white{background:#fff;}
.section.bg-warm{background:var(--c-warm);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center;}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:1.6px;
  color:var(--c-brand);text-transform:uppercase;margin-bottom:12px;
}
.section-title{font-size:30px;line-height:1.3;font-weight:800;letter-spacing:-.2px;position:relative;padding-left:16px;}
.section-title::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:4px;border-radius:3px;background:var(--grad);
}
.section-head.center .section-title{padding-left:0;}
.section-head.center .section-title::before{display:none;}
.section-desc{margin-top:14px;font-size:15.5px;line-height:1.95;color:var(--c-ink-2);}
.section-title + .section-desc{margin-top:16px;}

/* ---------- 指标看板 ---------- */
.board{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:10px;
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:10px;
}
.board-cell{
  border-radius:var(--r-md);padding:22px 20px;background:var(--c-paper);
  min-width:0;transition:var(--t);
}
.board-cell:hover{background:var(--c-warm);transform:translateY(-3px);}
.board-cell .bc-label{font-size:13px;color:#8b8378;margin-bottom:8px;}
.board-cell .bc-main{font-size:20px;font-weight:800;color:var(--c-ink);line-height:1.4;margin-bottom:8px;}
.board-cell .bc-note{font-size:13px;color:var(--c-ink-2);line-height:1.7;}
.spark{display:flex;align-items:flex-end;gap:3px;height:22px;margin-top:14px;}
.spark span{width:5px;border-radius:2px;background:linear-gradient(180deg,#E9A13B,#D6472F);opacity:.7;}

/* ---------- 服务矩阵 ---------- */
.matrix{display:grid;grid-template-columns:minmax(0,1.08fr) minmax(0,1fr);gap:24px;align-items:stretch;}
.matrix-lead{
  background:var(--c-ink);color:#e8e2d8;border-radius:var(--r-lg);padding:34px 32px;
  display:flex;flex-direction:column;min-width:0;position:relative;overflow:hidden;
  border:1px solid rgba(255,255,255,.08);
}
.matrix-lead::before{
  content:"";position:absolute;inset:auto -60px -80px auto;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(214,71,47,.36),transparent 68%);
}
.matrix-lead h3{color:#fff;font-size:23px;margin-bottom:12px;position:relative;}
.matrix-lead p{font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.72);position:relative;margin-bottom:18px;}
.matrix-lead ul{position:relative;display:grid;gap:11px;margin-bottom:24px;}
.matrix-lead li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.85);line-height:1.7;}
.matrix-lead li i{color:var(--c-brand-2);margin-top:6px;font-size:11px;}
.matrix-lead .lead-link{
  margin-top:auto;position:relative;display:inline-flex;align-items:center;gap:8px;
  font-size:14px;font-weight:700;color:#fff;border-bottom:2px solid transparent;align-self:flex-start;padding-bottom:3px;
}
.matrix-lead .lead-link:hover{border-bottom-color:var(--c-brand-2);}
.matrix-side{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;min-width:0;}
.mini-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:22px 20px;min-width:0;transition:var(--t);box-shadow:0 4px 14px rgba(27,26,24,.04);
}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(214,71,47,.28);}
.mini-card .mc-icon{
  width:38px;height:38px;border-radius:12px;background:var(--c-warm);color:var(--c-brand);
  display:flex;align-items:center;justify-content:center;font-size:16px;margin-bottom:14px;
}
.mini-card h4{font-size:16.5px;margin-bottom:8px;}
.mini-card p{font-size:13.5px;line-height:1.75;color:var(--c-ink-2);margin:0;}

/* ---------- 结果对比 ---------- */
.compare{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.compare-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:30px 28px;min-width:0;transition:var(--t);
}
.compare-card.highlight{border-color:rgba(214,71,47,.32);box-shadow:var(--sh-1);}
.compare-card:hover{box-shadow:var(--sh-2);transform:translateY(-4px);}
.compare-tag{
  display:inline-flex;align-items:center;gap:7px;font-size:12.5px;font-weight:700;
  padding:6px 14px;border-radius:999px;background:#f2ede4;color:#6b655c;margin-bottom:16px;
}
.compare-card.highlight .compare-tag{background:var(--c-warm);color:var(--c-brand);}
.compare-card h3{font-size:20px;margin-bottom:16px;}
.compare-list{display:grid;gap:12px;}
.compare-list li{display:flex;gap:11px;font-size:14.5px;line-height:1.75;color:var(--c-ink-2);}
.compare-list li i{margin-top:5px;font-size:12px;flex:0 0 auto;}
.compare-list li i.ok{color:var(--c-sage);}
.compare-list li i.no{color:#b9b1a4;}

/* ---------- 学习路径 ---------- */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;position:relative;}
.step-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:30px 26px;min-width:0;transition:var(--t);
}
.step-card:hover{transform:translateY(-5px);box-shadow:var(--sh-2);}
.step-num{
  font-size:40px;font-weight:800;line-height:1;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  letter-spacing:-2px;margin-bottom:16px;
}
.step-card h3{font-size:18.5px;margin-bottom:12px;}
.step-card p{font-size:14px;line-height:1.8;margin-bottom:16px;}
.step-chip{
  display:inline-block;font-size:12.5px;padding:5px 13px;border-radius:999px;
  background:var(--c-warm);color:var(--c-brand);font-weight:600;
}

/* ---------- 里程碑 ---------- */
.timeline{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;position:relative;}
.timeline::before{
  content:"";position:absolute;left:8px;right:8px;top:11px;height:2px;
  background:linear-gradient(90deg,rgba(214,71,47,.55),rgba(233,161,59,.35));border-radius:2px;
}
.tl-item{position:relative;padding-top:34px;min-width:0;}
.tl-item::before{
  content:"";position:absolute;top:4px;left:0;width:16px;height:16px;border-radius:50%;
  background:var(--grad);border:3px solid var(--c-paper);box-shadow:0 0 0 3px rgba(214,71,47,.14);
}
.tl-item h4{font-size:16px;margin-bottom:8px;}
.tl-item p{font-size:13.5px;line-height:1.75;margin:0;}

/* ---------- 资讯列表 ---------- */
.news-layout{display:grid;grid-template-columns:minmax(0,1.05fr) minmax(0,1fr);gap:26px;align-items:start;}
.news-lead{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:0 6px 20px rgba(27,26,24,.05);transition:var(--t);min-width:0;
}
.news-lead:hover{box-shadow:var(--sh-2);transform:translateY(-4px);}
.news-lead-body{padding:28px 26px;}
.news-thumb{
  height:170px;background:
    radial-gradient(420px 180px at 80% -10%,rgba(233,161,59,.55),transparent 60%),
    linear-gradient(120deg,#D6472F 0%,#E9A13B 100%);
  display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.92);
  font-size:15px;font-weight:700;letter-spacing:2px;
}
.news-tag{
  display:inline-block;font-size:12.5px;font-weight:600;padding:4px 12px;border-radius:999px;
  background:var(--c-warm);color:var(--c-brand);margin-bottom:12px;
}
.news-lead h3{font-size:21px;line-height:1.45;margin-bottom:12px;}
.news-lead h3 a{color:var(--c-ink);}
.news-lead h3 a:hover{color:var(--c-brand);}
.news-lead p{font-size:14.5px;line-height:1.8;margin-bottom:16px;}
.news-meta{display:flex;flex-wrap:wrap;gap:14px;font-size:13px;color:#8b8378;align-items:center;}
.news-side{display:grid;gap:16px;min-width:0;}
.news-row{
  display:flex;gap:16px;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-md);padding:18px 20px;min-width:0;transition:var(--t);
}
.news-row:hover{transform:translateY(-3px);box-shadow:var(--sh-1);border-color:rgba(214,47,47,.22);}
.news-row .nr-index{
  flex:0 0 40px;height:40px;border-radius:12px;background:var(--c-warm);color:var(--c-brand);
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;
}
.news-row .nr-body{min-width:0;}
.news-row h4{font-size:16px;line-height:1.5;margin-bottom:7px;}
.news-row h4 a{color:var(--c-ink);}
.news-row h4 a:hover{color:var(--c-brand);}
.news-row .nr-sum{font-size:13.5px;line-height:1.7;color:var(--c-ink-2);margin:0 0 8px;
  display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.news-more{display:flex;justify-content:flex-end;margin-top:4px;}
.link-more{
  display:inline-flex;align-items:center;gap:7px;font-size:14px;font-weight:700;color:var(--c-brand);
  padding-bottom:3px;border-bottom:2px solid transparent;
}
.link-more:hover{border-bottom-color:var(--c-brand);}
.empty-state{
  background:var(--c-warm);border:1px dashed rgba(214,71,47,.3);border-radius:var(--r-lg);
  padding:36px 28px;text-align:center;color:var(--c-ink-2);font-size:14.5px;line-height:1.9;
}
.empty-state strong{display:block;color:var(--c-ink);font-size:17px;margin-bottom:8px;}

/* ---------- 专题标签 ---------- */
.tag-wall{display:flex;flex-wrap:wrap;gap:12px;}
.topic-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:#fff;border:1px solid var(--c-line);border-radius:999px;
  padding:10px 20px;font-size:14px;color:var(--c-ink);font-weight:500;
  transition:var(--t);cursor:default;
}
.topic-tag i{font-size:12px;color:var(--c-brand-2);}
.topic-tag:hover{border-color:rgba(214,71,47,.4);color:var(--c-brand);transform:translateY(-2px);box-shadow:var(--sh-1);}

/* ---------- 下载区 ---------- */
.download-section{
  background:var(--c-ink);color:rgba(255,255,255,.78);position:relative;overflow:hidden;
  padding:80px 0;
}
.download-section::before{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad);
}
.download-wrap{
  border:1px solid rgba(255,255,255,.12);border-radius:var(--r-lg);
  padding:38px 34px;background:rgba(255,255,255,.03);
}
.download-head{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);gap:36px;align-items:center;}
.download-head h2{color:#fff;font-size:28px;line-height:1.32;margin-bottom:14px;}
.download-head p{font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.68);margin:0;}
.download-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:16px;}
.dl-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-md);padding:22px 18px;text-align:center;min-width:0;transition:var(--t);
}
.dl-card:hover{background:rgba(255,255,255,.1);transform:translateY(-4px);border-color:rgba(233,161,59,.5);}
.dl-icon{
  width:46px;height:46px;border-radius:14px;margin:0 auto 14px;
  display:flex;align-items:center;justify-content:center;font-size:19px;color:#fff;
  background:var(--grad);box-shadow:0 8px 18px rgba(214,71,47,.28);
}
.dl-card h4{color:#fff;font-size:16px;margin-bottom:7px;}
.dl-card span{display:block;font-size:12.5px;color:rgba(255,255,255,.6);margin-bottom:16px;line-height:1.6;}
.dl-btn{
  display:block;width:100%;text-align:center;border-radius:999px;padding:10px 12px;
  font-size:13.5px;font-weight:700;color:var(--c-ink);background:#fff;transition:var(--t);
}
.dl-btn:hover{color:#fff;background:var(--grad);box-shadow:0 10px 22px rgba(214,71,47,.32);}
.dl-note{font-size:12.5px;color:rgba(255,255,255,.5);margin-top:22px;line-height:1.8;}

/* ---------- 平台保障 ---------- */
.assure{display:grid;grid-template-columns:minmax(0,1.25fr) minmax(0,.75fr);gap:24px;align-items:start;}
.assure-list{display:grid;gap:16px;min-width:0;}
.assure-item{
  display:flex;gap:16px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:20px 22px;min-width:0;transition:var(--t);
}
.assure-item:hover{transform:translateY(-3px);box-shadow:var(--sh-1);}
.assure-item .ai-icon{
  flex:0 0 40px;width:40px;height:40px;border-radius:12px;background:var(--c-warm);
  color:var(--c-sage);display:flex;align-items:center;justify-content:center;font-size:16px;
}
.assure-item h4{font-size:16px;margin-bottom:6px;}
.assure-item p{font-size:13.5px;line-height:1.75;margin:0;}
.assure-side{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);padding:26px 24px;
  display:grid;gap:12px;min-width:0;
}
.assure-side h4{font-size:16px;margin-bottom:4px;}
.pill-line{
  display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--c-ink-2);
  background:var(--c-paper);border-radius:12px;padding:11px 14px;
}
.pill-line i{color:var(--c-brand);font-size:12px;}

/* ---------- 快速解答 ---------- */
.quick-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.quick-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:26px 24px;min-width:0;display:flex;flex-direction:column;transition:var(--t);
}
.quick-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.quick-card h3{font-size:17px;line-height:1.5;margin-bottom:12px;}
.quick-card p{font-size:14px;line-height:1.8;margin:0 0 16px;}
.quick-card .qc-link{margin-top:auto;font-size:13.5px;font-weight:700;color:var(--c-brand);display:inline-flex;gap:6px;align-items:center;}
.quick-card .qc-link:hover{gap:10px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;margin:0 auto;}
.accordion-item{
  background:#fff;border:1px solid var(--c-line) !important;border-radius:var(--r-md) !important;
  margin-bottom:14px;overflow:hidden;box-shadow:0 4px 14px rgba(27,26,24,.04);
}
.accordion-item:last-child{margin-bottom:0;}
.accordion-button{
  font-size:16.5px;font-weight:600;color:var(--c-ink);background:#fff;
  padding:20px 22px;box-shadow:none !important;border-left:3px solid transparent;
}
.accordion-button:not(.collapsed){
  background:var(--c-warm);color:var(--c-brand);border-left-color:var(--c-brand);
}
.accordion-button::after{
  background-image:none;
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;
  color:var(--c-ink-2);width:auto;height:auto;transform:none;transition:var(--t);
  display:flex;align-items:center;justify-content:center;
}
.accordion-button:not(.collapsed)::after{content:"\f078";transform:rotate(180deg);color:var(--c-brand);}
.accordion-body{padding:6px 22px 22px;font-size:15px;line-height:1.9;color:var(--c-ink-2);}

/* ---------- 表单 ---------- */
.form-panel{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:38px 34px;display:grid;
  grid-template-columns:minmax(0,.85fr) minmax(0,1.15fr);gap:38px;align-items:start;
}
.form-intro h2{font-size:26px;line-height:1.35;margin-bottom:14px;}
.form-intro p{font-size:14.5px;line-height:1.9;}
.form-points{display:grid;gap:10px;margin-top:18px;}
.form-points li{display:flex;gap:9px;font-size:13.5px;color:var(--c-ink-2);line-height:1.7;}
.form-points i{color:var(--c-sage);margin-top:5px;font-size:11px;}
.field{margin-bottom:16px;min-width:0;}
.field label{display:block;font-size:14px;font-weight:600;color:var(--c-ink);margin-bottom:7px;}
.field input,.field select,.field textarea{
  width:100%;border:1px solid var(--c-line);border-radius:var(--r-sm);
  padding:12px 14px;font-size:14.5px;color:var(--c-ink);background:#fff;
  transition:var(--t);font-family:inherit;
}
.field input:focus,.field select:focus,.field textarea:focus{
  border-color:var(--c-brand);box-shadow:0 0 0 3px rgba(214,71,47,.12);outline:none;
}
.field textarea{min-height:104px;resize:vertical;}
.field.invalid input,.field.invalid select{border-color:var(--c-brand);}
.field .err{display:none;font-size:12px;color:var(--c-brand);margin-top:6px;}
.field.invalid .err{display:block;}
.form-row{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
.form-submit{
  width:100%;border:0;border-radius:999px;padding:13px 20px;font-size:15px;font-weight:700;
  color:#fff;background:var(--grad);cursor:pointer;box-shadow:0 10px 22px rgba(214,71,47,.24);
  transition:var(--t);
}
.form-submit:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(214,71,47,.32);}
.form-submit:active{transform:translateY(1px);}
.form-msg{display:none;margin-top:14px;font-size:13.5px;border-radius:12px;padding:12px 15px;line-height:1.7;}
.form-msg.show{display:block;}
.form-msg.ok{background:var(--c-warm);color:var(--c-sage);}

/* ---------- 风险提示 ---------- */
.risk-box{
  background:var(--c-warm);border:1px solid rgba(214,71,47,.2);border-radius:var(--r-lg);
  padding:30px 30px;display:grid;grid-template-columns:minmax(0,.6fr) minmax(0,1.4fr);gap:28px;
}
.risk-box h2{font-size:21px;line-height:1.4;}
.risk-list{display:grid;gap:10px;}
.risk-list li{display:flex;gap:10px;font-size:13.5px;line-height:1.8;color:var(--c-ink-2);}
.risk-list i{color:var(--c-brand);font-size:11px;margin-top:6px;}

/* ---------- 快捷横条 ---------- */
.shortcut{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;}
.shortcut-card{
  display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--c-line);
  border-radius:999px;padding:16px 24px;min-width:0;transition:var(--t);
}
.shortcut-card:hover{transform:translateY(-3px);box-shadow:var(--sh-1);border-color:rgba(214,71,47,.3);}
.shortcut-card i{color:var(--c-brand);font-size:16px;}
.shortcut-card span{font-size:14.5px;font-weight:600;color:var(--c-ink);}
.shortcut-card small{display:block;font-size:12px;color:#8b8378;font-weight:400;line-height:1.5;}

/* ---------- Footer ---------- */
.site-footer{background:var(--c-ink);color:rgba(255,255,255,.6);padding:62px 0 26px;position:relative;}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--grad);}
.footer-grid{
  display:grid;grid-template-columns:minmax(0,1.4fr) repeat(3,minmax(0,.75fr));gap:32px;
}
.footer-brand .fb-title{display:flex;align-items:center;gap:11px;margin-bottom:14px;}
.footer-brand .fb-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:17px;
}
.footer-brand strong{color:#fff;font-size:18px;}
.footer-brand p{font-size:13.5px;line-height:1.85;color:rgba(255,255,255,.55);margin:0;max-width:340px;}
.footer-col h4{color:#fff;font-size:14.5px;margin-bottom:14px;font-weight:600;}
.footer-col ul{display:grid;gap:9px;}
.footer-col a{font-size:13.5px;color:rgba(255,255,255,.6);}
.footer-col a:hover{color:var(--c-brand-2);}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:14px;justify-content:space-between;
  font-size:12.5px;color:rgba(255,255,255,.45);line-height:1.8;
}
.mobile-bar{display:none;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .hero h1{font-size:38px;}
  .board{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:991px){
  .site-menu{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero-grid{grid-template-columns:minmax(0,1fr);gap:36px;padding:52px 0 62px;}
  .hero h1{font-size:34px;}
  .float-chip{left:0;bottom:-14px;}
  .section{padding:64px 0;}
  .matrix{grid-template-columns:minmax(0,1fr);}
  .compare{grid-template-columns:minmax(0,1fr);}
  .steps{grid-template-columns:minmax(0,1fr);}
  .timeline{grid-template-columns:repeat(2,minmax(0,1fr));}
  .timeline::before{display:none;}
  .news-layout{grid-template-columns:minmax(0,1fr);}
  .download-head{grid-template-columns:minmax(0,1fr);}
  .download-cards{grid-template-columns:repeat(3,minmax(0,1fr));}
  .assure{grid-template-columns:minmax(0,1fr);}
  .quick-grid{grid-template-columns:minmax(0,1fr);}
  .form-panel{grid-template-columns:minmax(0,1fr);padding:28px 24px;gap:26px;}
  .risk-box{grid-template-columns:minmax(0,1fr);}
  .shortcut{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:767px){
  .brand-text small{display:none;}
  .site-nav-inner{height:64px;}
  .site-header-actions .btn-brand{display:none;}
  .mobile-bar{
    display:block;position:fixed;left:0;right:0;bottom:0;z-index:1040;
    background:var(--grad);color:#fff;text-align:center;padding:13px 16px;
    font-size:15px;font-weight:700;box-shadow:0 -6px 18px rgba(27,26,24,.16);
  }
  .mobile-bar:hover{color:#fff;}
  body{padding-bottom:56px;}
  .section{padding:50px 0;}
  .section-title{font-size:24px;}
  .hero h1{font-size:29px;}
  .board{grid-template-columns:minmax(0,1fr);}
  .matrix-side{grid-template-columns:minmax(0,1fr);}
  .download-cards{grid-template-columns:minmax(0,1fr);}
  .download-wrap{padding:26px 20px;}
  .timeline{grid-template-columns:minmax(0,1fr);gap:18px;}
  .form-row{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .quote-card{padding:22px 18px;}
  .float-chip{position:static;margin-top:14px;max-width:none;}
}
@media (max-width:520px){
  .site-container{padding:0 16px;}
  .hero h1{font-size:26px;}
  .hero-lead{font-size:15px;}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{width:100%;}
  .news-lead-body{padding:22px 18px;}
  .news-row{padding:16px 16px;gap:12px;}
  .news-row .nr-index{flex:0 0 34px;height:34px;font-size:13px;}
  .form-panel{padding:24px 18px;}
  .quick-card{padding:22px 18px;}
  .accordion-button{font-size:15px;padding:16px 16px;}
  .accordion-body{padding:4px 16px 18px;}
  .risk-box{padding:22px 18px;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: article */
:root{
  --c-brand:#D6472F;
  --c-brand-2:#E9A13B;
  --c-ink:#1B1A18;
  --c-ink-2:#4A463F;
  --c-paper:#FAF6F0;
  --c-card:#FFFFFF;
  --c-line:#EAE2D6;
  --c-sage:#2E6B5E;
  --c-warm:#FFF1E6;
  --grad:linear-gradient(120deg,#D6472F 0%,#E9A13B 100%);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --sh-1:0 8px 24px rgba(27,26,24,.06);
  --sh-2:0 16px 40px rgba(27,26,24,.10);
  --t:all .25s ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-paper);
  color:var(--c-ink-2);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-brand);text-decoration:none;transition:var(--t);}
a:hover{color:#b23a26;}
button{font-family:inherit;}
.site-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(250,246,240,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--c-line);
  transition:var(--t);
}
.site-header.is-scrolled{box-shadow:0 2px 14px rgba(27,26,24,.08);}
.site-nav-inner{display:flex;align-items:center;gap:18px;height:76px;transition:var(--t);}
.site-header.is-scrolled .site-nav-inner{height:64px;}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;color:var(--c-ink);}
.brand:hover{color:var(--c-ink);}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:14px;
  background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:19px;font-weight:800;
  box-shadow:0 6px 16px rgba(214,71,47,.26);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0;}
.brand-text strong{font-size:19px;color:var(--c-ink);letter-spacing:.5px;}
.brand-text small{font-size:11.5px;color:#8b8378;letter-spacing:.4px;white-space:nowrap;}
.site-menu{display:flex;align-items:center;gap:26px;margin-left:auto;}
.menu-link{position:relative;font-size:15px;color:var(--c-ink-2);font-weight:500;padding:4px 0;}
.menu-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:var(--t);
}
.menu-link:hover,.menu-link.is-active{color:var(--c-brand);}
.menu-link:hover::after,.menu-link.is-active::after{transform:scaleX(1);}
.site-header-actions{display:flex;align-items:center;gap:12px;margin-left:8px;}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--grad);color:#fff;font-weight:700;font-size:15px;
  border:0;border-radius:999px;padding:12px 24px;cursor:pointer;
  box-shadow:0 10px 22px rgba(214,71,47,.24);
  transition:var(--t);
}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(214,71,47,.32);}
.btn-brand:active{transform:translateY(1px);filter:brightness(.96);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:#fff;color:var(--c-ink);font-weight:600;font-size:15px;
  border:1px solid var(--c-line);border-radius:999px;padding:11px 22px;
  cursor:pointer;transition:var(--t);
}
.btn-ghost:hover{border-color:var(--c-brand);color:var(--c-brand);transform:translateY(-2px);box-shadow:var(--sh-1);}
.btn-ghost:active{transform:translateY(1px);}
.btn-brand.small{padding:10px 20px;font-size:14px;}
.btn-brand:focus-visible,.btn-ghost:focus-visible,.menu-link:focus-visible,.brand:focus-visible,
a:focus-visible,button:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--c-line);background:#fff;color:var(--c-ink);
  font-size:17px;cursor:pointer;align-items:center;justify-content:center;
}
.site-offcanvas{border-left:1px solid var(--c-line);}
.site-offcanvas .offcanvas-header{border-bottom:1px solid var(--c-line);}
.site-offcanvas .offcanvas-title{font-size:17px;color:var(--c-ink);}
.mobile-link{display:block;height:48px;line-height:48px;font-size:16px;color:var(--c-ink);border-bottom:1px solid var(--c-line);}
.mobile-link:hover{color:var(--c-brand);}
.mobile-download{
  display:block;text-align:center;margin-top:22px;padding:13px 18px;border-radius:999px;
  background:var(--grad);color:#fff;font-weight:700;box-shadow:0 10px 22px rgba(214,71,47,.24);
}
.mobile-download:hover{color:#fff;}

/* ---------- Article head ---------- */
.art-head{
  position:relative;
  background:
    radial-gradient(900px 320px at 88% -20%,rgba(233,161,59,.20),transparent 62%),
    radial-gradient(720px 300px at 4% 0%,rgba(214,71,47,.10),transparent 60%),
    var(--c-warm);
  padding:34px 0 42px;
  border-bottom:1px solid var(--c-line);
}
.art-head::after{content:"";position:absolute;left:0;right:0;bottom:0;height:4px;background:var(--grad);opacity:.9;}
.crumb{display:flex;align-items:center;gap:8px;font-size:13.5px;color:#8b8378;min-width:0;}
.crumb a{color:#8b8378;}
.crumb a:hover{color:var(--c-brand);}
.crumb .sep{color:#c9bdae;}
.crumb em{font-style:normal;color:var(--c-ink);min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.art-tag{
  display:inline-flex;align-items:center;gap:7px;margin-top:22px;
  padding:6px 14px;border-radius:999px;background:#fff;
  border:1px solid rgba(214,71,47,.26);color:var(--c-brand);
  font-size:13px;font-weight:600;box-shadow:0 6px 16px rgba(214,71,47,.08);
}
.art-tag i{font-size:11px;}
.art-h1{
  font-size:36px;line-height:1.32;font-weight:800;color:var(--c-ink);
  margin:16px 0 0;letter-spacing:-.4px;max-width:960px;
}
.art-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px;font-size:14px;color:#8b8378;}
.art-meta i{color:var(--c-brand);margin-right:5px;font-size:13px;}
.art-meta .dot{width:4px;height:4px;border-radius:50%;background:#c9bdae;flex:0 0 4px;}

/* ---------- Article layout ---------- */
.art-section{padding:52px 0 20px;}
.art-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:34px;align-items:start;}
.art-main{
  background:var(--c-card);border:1px solid var(--c-line);
  border-radius:var(--r-lg);box-shadow:var(--sh-1);
  padding:42px 46px;min-width:0;
}
.article-body{font-size:17px;line-height:1.95;color:var(--c-ink-2);overflow-wrap:break-word;word-break:normal;}
.article-body > *:first-child{margin-top:0;}
.article-body > *:last-child{margin-bottom:0;}
.article-body p{margin:0 0 1.25em;}
.article-body h2{
  font-size:23px;line-height:1.5;font-weight:700;color:var(--c-ink);
  margin:2em 0 .9em;padding-left:14px;position:relative;
}
.article-body h2::before{content:"";position:absolute;left:0;top:.32em;width:4px;height:20px;border-radius:2px;background:var(--grad);}
.article-body h3{font-size:19px;line-height:1.55;font-weight:600;color:var(--c-ink);margin:1.7em 0 .7em;}
.article-body h4{font-size:17px;font-weight:600;color:var(--c-ink);margin:1.4em 0 .6em;}
.article-body blockquote{
  margin:1.6em 0;padding:16px 22px;background:var(--c-warm);
  border-left:3px solid var(--c-brand);border-radius:0 14px 14px 0;color:var(--c-ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body ul,.article-body ol{margin:0 0 1.25em;padding-left:1.4em;}
.article-body ul{list-style:none;padding-left:1.15em;}
.article-body ul > li{position:relative;margin-bottom:.55em;}
.article-body ul > li::before{content:"";position:absolute;left:-1em;top:.82em;width:6px;height:6px;border-radius:50%;background:var(--c-brand);}
.article-body ol > li{margin-bottom:.55em;}
.article-body img{border-radius:16px;margin:1.5em auto;}
.article-body a{text-decoration:underline;text-decoration-color:rgba(214,71,47,.35);text-underline-offset:3px;}
.article-body table{width:100%;max-width:100%;border-collapse:collapse;margin:1.4em 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:10px 12px;text-align:left;vertical-align:top;}
.article-body th{background:var(--c-warm);color:var(--c-ink);font-weight:600;}
.article-body pre{max-width:100%;overflow-x:auto;background:var(--c-paper);border:1px solid var(--c-line);border-radius:12px;padding:14px 16px;font-size:14px;}
.art-empty{padding:46px 10px;text-align:center;}
.art-empty-title{font-size:20px;font-weight:700;color:var(--c-ink);margin:0 0 18px;}

/* ---------- Sidebar ---------- */
.art-side{min-width:0;}
.side-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);padding:22px 24px;margin-bottom:20px;
}
.side-card h3{
  font-size:16px;font-weight:700;color:var(--c-ink);margin:0 0 14px;
  padding-bottom:12px;border-bottom:1px dashed var(--c-line);
}
.side-list{list-style:none;margin:0;padding:0;}
.side-list li{display:flex;justify-content:space-between;gap:12px;font-size:14px;padding:9px 0;border-bottom:1px dashed rgba(234,226,214,.85);}
.side-list li:last-child{border-bottom:0;padding-bottom:0;}
.side-list .k{color:#8b8378;flex:0 0 auto;}
.side-list .v{color:var(--c-ink);font-weight:600;min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.side-links{list-style:none;margin:0;padding:0;}
.side-links li{margin-bottom:10px;}
.side-links li:last-child{margin-bottom:0;}
.side-links a{
  display:flex;align-items:center;gap:9px;font-size:14.5px;color:var(--c-ink-2);
  padding:10px 13px;border-radius:12px;background:var(--c-paper);transition:var(--t);min-width:0;
}
.side-links a:hover{background:var(--c-warm);color:var(--c-brand);transform:translateX(2px);}
.side-links i{color:var(--c-brand);font-size:12px;flex:0 0 auto;}
.side-links span{min-width:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ---------- Sections ---------- */
.panel-section{padding:66px 0;}
.panel-section.alt{background:#fff;}
.sec-head{max-width:760px;margin-bottom:30px;}
.sec-head h2{
  font-size:28px;line-height:1.35;font-weight:700;color:var(--c-ink);
  margin:0 0 10px;padding-left:14px;position:relative;
}
.sec-head h2::before{content:"";position:absolute;left:0;top:.28em;width:4px;height:22px;border-radius:2px;background:var(--grad);}
.sec-head p{margin:0;font-size:15.5px;line-height:1.9;color:var(--c-ink-2);}

/* ---------- Risk note ---------- */
.risk-wrap{padding:34px 0 0;}
.risk-note{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--c-warm);border:1px solid rgba(233,161,59,.42);
  border-radius:var(--r-md);padding:20px 24px;
}
.risk-note i{color:var(--c-brand);font-size:18px;margin-top:5px;flex:0 0 auto;}
.risk-note p{margin:0;font-size:14px;line-height:1.9;color:var(--c-ink-2);}

/* ---------- Extend cards ---------- */
.ext-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.ext-card{
  display:block;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--sh-1);transition:var(--t);min-width:0;color:inherit;height:100%;
}
.ext-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);color:inherit;border-color:rgba(214,71,47,.35);}
.ext-card .e-icon{
  width:44px;height:44px;border-radius:14px;background:var(--c-warm);color:var(--c-brand);
  display:flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:15px;
}
.ext-card h3{font-size:17px;font-weight:700;color:var(--c-ink);margin:0 0 8px;}
.ext-card p{font-size:14px;line-height:1.8;color:var(--c-ink-2);margin:0;}

/* ---------- Download ---------- */
.download-panel{
  background:var(--c-ink);border:1px solid rgba(233,161,59,.35);
  border-radius:var(--r-lg);padding:44px;box-shadow:var(--sh-2);position:relative;overflow:hidden;
}
.download-panel::after{
  content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad);
}
.download-head h2{font-size:27px;line-height:1.4;font-weight:700;color:#fff;margin:0 0 10px;}
.download-head p{margin:0;font-size:15px;line-height:1.9;color:rgba(255,255,255,.62);max-width:760px;}
.download-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:18px;margin-top:28px;}
.download-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.13);
  border-radius:var(--r-md);padding:22px;transition:var(--t);min-width:0;
}
.download-card:hover{background:rgba(255,255,255,.1);transform:translateY(-3px);border-color:rgba(233,161,59,.45);}
.download-card .d-icon{
  width:44px;height:44px;border-radius:13px;background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:19px;margin-bottom:14px;
}
.download-card h3{color:#fff;font-size:17px;font-weight:700;margin:0 0 6px;}
.download-card p{color:rgba(255,255,255,.58);font-size:13.5px;line-height:1.75;margin:0 0 16px;}
.dl-btn{
  display:flex;align-items:center;justify-content:center;gap:8px;
  background:var(--grad);color:#fff;font-weight:700;font-size:14.5px;
  border-radius:999px;padding:11px 16px;transition:var(--t);
}
.dl-btn:hover{color:#fff;transform:translateY(-2px);box-shadow:0 12px 26px rgba(214,71,47,.35);}
.dl-btn:active{transform:translateY(1px);}
.download-note{margin:22px 0 0;font-size:12.5px;line-height:1.8;color:rgba(255,255,255,.45);}

/* ---------- FAQ ---------- */
.faq-acc .accordion-item{
  border:1px solid var(--c-line);border-radius:var(--r-md);
  margin-bottom:14px;overflow:hidden;background:#fff;box-shadow:var(--sh-1);
}
.faq-acc .accordion-button{
  font-size:16.5px;font-weight:600;color:var(--c-ink);background:#fff;
  padding:18px 22px;box-shadow:none;
}
.faq-acc .accordion-button:not(.collapsed){color:var(--c-brand);background:var(--c-warm);box-shadow:none;}
.faq-acc .accordion-button:focus{box-shadow:none;outline:2px solid var(--c-brand);outline-offset:-2px;}
.faq-acc .accordion-body{font-size:15px;line-height:1.9;color:var(--c-ink-2);padding:4px 22px 20px;}

/* ---------- Back bar ---------- */
.back-bar{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:22px 26px;box-shadow:var(--sh-1);
}
.back-bar .bb-text{min-width:0;}
.back-bar h3{font-size:17px;font-weight:700;color:var(--c-ink);margin:0 0 4px;}
.back-bar p{margin:0;font-size:14px;color:var(--c-ink-2);}

/* ---------- Footer ---------- */
.site-footer{
  background:var(--c-ink);color:rgba(255,255,255,.72);
  padding:56px 0 26px;position:relative;margin-top:0;
}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad);}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.7fr) repeat(3,minmax(0,1fr));gap:32px;}
.fb-title{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.fb-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:12px;background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;
}
.fb-title strong{color:#fff;font-size:17px;letter-spacing:.3px;}
.footer-brand p{font-size:14px;line-height:1.9;color:rgba(255,255,255,.6);margin:0;max-width:380px;}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin:0 0 14px;position:relative;padding-left:12px;}
.footer-col h4::before{content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);width:3px;height:14px;border-radius:2px;background:var(--grad);}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:9px;}
.footer-col a{color:rgba(255,255,255,.66);font-size:14px;}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  margin-top:36px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;line-height:1.8;color:rgba(255,255,255,.5);
}

/* ---------- Responsive ---------- */
@media (max-width:1199px){
  .site-menu{gap:18px;}
  .art-layout{grid-template-columns:minmax(0,1fr) 290px;gap:26px;}
  .art-main{padding:36px 34px;}
}
@media (max-width:991px){
  .site-menu{display:none;}
  .site-header-actions{display:none;}
  .nav-toggle{display:flex;margin-left:auto;}
  .art-layout{grid-template-columns:minmax(0,1fr);}
  .art-side{order:2;}
  .art-h1{font-size:30px;}
  .ext-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .download-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .download-panel{padding:32px 26px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:26px;}
  .panel-section{padding:52px 0;}
}
@media (max-width:767px){
  .site-container{padding:0 18px;}
  .art-head{padding:26px 0 32px;}
  .art-h1{font-size:26px;}
  .art-main{padding:28px 20px;border-radius:20px;}
  .article-body{font-size:16px;line-height:1.9;}
  .article-body h2{font-size:20px;}
  .article-body h3{font-size:18px;}
  .ext-grid{grid-template-columns:minmax(0,1fr);}
  .download-grid{grid-template-columns:minmax(0,1fr);}
  .download-head h2{font-size:22px;}
  .sec-head h2{font-size:23px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .footer-brand p{max-width:none;}
  .brand-text small{font-size:10.5px;}
}
@media (max-width:520px){
  .brand-text strong{font-size:16px;}
  .brand-mark{width:38px;height:38px;flex:0 0 38px;border-radius:12px;font-size:17px;}
  .art-h1{font-size:23px;line-height:1.4;}
  .crumb{font-size:12.5px;}
  .crumb em{display:none;}
  .btn-brand,.btn-ghost{width:100%;}
  .back-bar .btn-brand,.back-bar .btn-ghost{width:auto;}
  .risk-note{flex-direction:column;gap:8px;}
  .panel-section{padding:44px 0;}
}

/* roulang page: category1 */
:root{
  --c-brand:#D6472F;
  --c-brand-2:#E9A13B;
  --c-ink:#1B1A18;
  --c-ink-2:#4A463F;
  --c-paper:#FAF6F0;
  --c-card:#FFFFFF;
  --c-line:#EAE2D6;
  --c-sage:#2E6B5E;
  --c-warm:#FFF1E6;
  --grad:linear-gradient(120deg,#D6472F 0%,#E9A13B 100%);
  --r-lg:24px;
  --r-md:16px;
  --r-sm:12px;
  --sh-1:0 8px 24px rgba(27,26,24,.06);
  --sh-2:0 16px 40px rgba(27,26,24,.10);
  --t:all .25s ease;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-paper);
  color:var(--c-ink-2);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-brand);text-decoration:none;transition:var(--t);}
a:hover{color:#b23a26;}
button{font-family:inherit;}
h1,h2,h3,h4{color:var(--c-ink);}
.site-container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(250,246,240,.94);
  backdrop-filter:blur(12px);
  border-bottom:1px solid var(--c-line);
  transition:var(--t);
}
.site-header.is-scrolled{box-shadow:0 2px 14px rgba(27,26,24,.08);}
.site-nav-inner{display:flex;align-items:center;gap:18px;height:76px;transition:var(--t);}
.site-header.is-scrolled .site-nav-inner{height:64px;}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto;color:var(--c-ink);}
.brand:hover{color:var(--c-ink);}
.brand-mark{
  width:42px;height:42px;flex:0 0 42px;border-radius:14px;
  background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:19px;font-weight:800;
  box-shadow:0 6px 16px rgba(214,71,47,.26);
}
.brand-text{display:flex;flex-direction:column;line-height:1.25;min-width:0;}
.brand-text strong{font-size:19px;color:var(--c-ink);letter-spacing:.5px;}
.brand-text small{font-size:11.5px;color:#8b8378;letter-spacing:.4px;white-space:nowrap;}
.site-menu{display:flex;align-items:center;gap:26px;margin-left:auto;}
.menu-link{position:relative;font-size:15px;color:var(--c-ink-2);font-weight:500;padding:4px 0;}
.menu-link::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;
  background:var(--grad);transform:scaleX(0);transform-origin:left;transition:var(--t);
}
.menu-link:hover,.menu-link.is-active{color:var(--c-brand);}
.menu-link:hover::after,.menu-link.is-active::after{transform:scaleX(1);}
.site-header-actions{display:flex;align-items:center;gap:12px;margin-left:8px;}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--grad);color:#fff;font-weight:700;font-size:15px;
  border:0;border-radius:999px;padding:12px 24px;cursor:pointer;
  box-shadow:0 10px 22px rgba(214,71,47,.24);transition:var(--t);
}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:0 14px 30px rgba(214,71,47,.32);}
.btn-brand:active{transform:translateY(1px);filter:brightness(.96);}
.btn-brand.small{padding:10px 20px;font-size:14px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:#fff;color:var(--c-ink);font-weight:600;font-size:15px;
  border:1px solid var(--c-line);border-radius:999px;padding:11px 22px;
  cursor:pointer;transition:var(--t);
}
.btn-ghost:hover{border-color:var(--c-brand);color:var(--c-brand);transform:translateY(-2px);box-shadow:var(--sh-1);}
.btn-ghost:active{transform:translateY(1px);}
.btn-ghost.small{padding:9px 20px;font-size:14px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--c-line);background:#fff;color:var(--c-ink);
  font-size:17px;cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle:hover{color:var(--c-brand);border-color:var(--c-brand);}
:focus-visible{outline:2px solid var(--c-brand);outline-offset:2px;}
.site-offcanvas{border-left:1px solid var(--c-line);background:var(--c-paper);}
.site-offcanvas .offcanvas-header{border-bottom:1px solid var(--c-line);}
.site-offcanvas .offcanvas-title{font-size:17px;font-weight:700;color:var(--c-ink);}
.mobile-link{
  display:block;height:48px;line-height:48px;font-size:16px;color:var(--c-ink);
  border-bottom:1px solid var(--c-line);
}
.mobile-link:hover{color:var(--c-brand);}
.mobile-download{
  display:block;text-align:center;margin-top:22px;padding:13px 18px;border-radius:999px;
  background:var(--grad);color:#fff;font-weight:700;box-shadow:0 10px 22px rgba(214,71,47,.24);
}
.mobile-download:hover{color:#fff;}
/* ---------- 分类标题带 ---------- */
.cat-head{
  position:relative;overflow:hidden;
  background:
    radial-gradient(900px 320px at 92% -20%,rgba(233,161,59,.16),transparent 60%),
    radial-gradient(700px 260px at 4% 10%,rgba(214,71,47,.08),transparent 62%),
    var(--c-warm);
  border-bottom:1px solid var(--c-line);
  padding:34px 0 38px;
}
.cat-head::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:4px;background:var(--grad);opacity:.85;
}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:#8b8378;margin-bottom:16px;}
.crumb a{color:#8b8378;}
.crumb a:hover{color:var(--c-brand);}
.crumb .sep{color:#c9bfb0;}
.crumb .cur{color:var(--c-brand);font-weight:600;}
.cat-head h1{
  font-size:36px;line-height:1.26;font-weight:800;letter-spacing:-.4px;
  margin:0 0 14px;max-width:900px;
}
.cat-lead{max-width:840px;font-size:15.5px;line-height:1.9;color:var(--c-ink-2);margin:0;}
.cat-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px;}
.stat-pill{
  display:inline-flex;align-items:center;gap:9px;
  background:#fff;border:1px solid var(--c-line);border-radius:999px;
  padding:8px 16px;font-size:13px;color:var(--c-ink-2);
  box-shadow:0 4px 12px rgba(27,26,24,.04);transition:var(--t);
}
.stat-pill:hover{transform:translateY(-2px);box-shadow:var(--sh-1);}
.stat-pill b{font-size:16px;color:var(--c-ink);font-variant-numeric:tabular-nums;}
.stat-pill .dot{width:7px;height:7px;border-radius:50%;background:var(--grad);flex:0 0 7px;}
/* ---------- section ---------- */
.section{padding:64px 0;}
.section.alt{background:#fff;}
.section-head{margin-bottom:30px;max-width:900px;}
.sec-label{
  display:inline-block;font-size:12.5px;letter-spacing:1.2px;color:var(--c-brand);
  font-weight:700;margin-bottom:10px;
}
.section-head h2{
  position:relative;font-size:28px;line-height:1.32;font-weight:700;
  margin:0 0 12px;padding-left:16px;
}
.section-head h2::before{
  content:"";position:absolute;left:0;top:7px;bottom:7px;width:4px;border-radius:2px;background:var(--grad);
}
.section-head p{margin:0;font-size:15px;line-height:1.9;color:var(--c-ink-2);}
/* ---------- 栏目说明 ---------- */
.about-grid{display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.05fr);gap:24px;align-items:start;}
.about-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--sh-1);min-width:0;
}
.about-card h3{font-size:19px;margin:0 0 12px;}
.about-card p{font-size:14.5px;line-height:1.95;margin:0 0 12px;}
.about-card p:last-child{margin-bottom:0;}
.point-list{display:grid;gap:14px;}
.point-item{
  display:flex;gap:14px;background:var(--c-card);border:1px solid var(--c-line);
  border-radius:var(--r-md);padding:18px 20px;transition:var(--t);min-width:0;
}
.point-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#e4d8c7;}
.point-idx{
  flex:0 0 34px;width:34px;height:34px;border-radius:12px;
  background:var(--c-warm);color:var(--c-brand);font-weight:800;font-size:14px;
  display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.point-item h3{font-size:16px;margin:0 0 4px;}
.point-item p{font-size:14px;line-height:1.8;margin:0;}
/* ---------- 分组卡 ---------- */
.group-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
.group-card{
  position:relative;overflow:hidden;min-width:0;
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:24px;transition:var(--t);
}
.group-card::before{
  content:"";position:absolute;left:0;top:0;right:0;height:4px;
  background:var(--grad);opacity:0;transition:var(--t);
}
.group-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.group-card:hover::before{opacity:1;}
.gc-icon{
  width:44px;height:44px;border-radius:14px;background:var(--c-warm);color:var(--c-brand);
  display:flex;align-items:center;justify-content:center;font-size:18px;margin-bottom:14px;
}
.group-card h3{font-size:18px;margin:0 0 8px;}
.group-card p{font-size:14px;line-height:1.8;margin:0 0 14px;}
.gc-tags{display:flex;flex-wrap:wrap;gap:8px;}
.gc-tag{
  font-size:12.5px;padding:4px 10px;border-radius:999px;
  background:var(--c-paper);border:1px solid var(--c-line);color:var(--c-ink-2);
}
/* ---------- 阅读顺序 ---------- */
.step-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.step-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:26px 24px;transition:var(--t);min-width:0;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.step-num{
  font-size:34px;font-weight:800;line-height:1;margin-bottom:12px;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  font-variant-numeric:tabular-nums;
}
.step-card h3{font-size:18px;margin:0 0 8px;}
.step-card p{font-size:14px;line-height:1.85;margin:0 0 14px;}
.step-tag{
  display:inline-block;font-size:12.5px;padding:4px 12px;border-radius:999px;
  background:var(--c-warm);color:var(--c-brand);font-weight:600;
}
/* ---------- 资讯列表 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.news-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-lg);
  padding:22px 24px;transition:var(--t);min-width:0;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#e4d8c7;}
.news-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  font-size:12.5px;color:#8b8378;margin-bottom:10px;
  font-variant-numeric:tabular-nums;
}
.news-cat{
  background:var(--c-warm);color:var(--c-brand);font-weight:600;
  padding:3px 10px;border-radius:999px;
}
.news-card h3{font-size:17px;line-height:1.55;margin:0 0 8px;}
.news-card h3 a{color:var(--c-ink);}
.news-card h3 a:hover{color:var(--c-brand);}
.news-excerpt{
  font-size:14px;line-height:1.8;margin:0 0 12px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-more{font-size:13.5px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}
.news-empty{
  background:var(--c-warm);border:1px solid var(--c-line);border-radius:var(--r-md);
  padding:26px;font-size:14.5px;color:var(--c-ink-2);
}
.news-empty p{margin:0;}
.list-foot{display:flex;justify-content:flex-end;margin-top:26px;}
/* ---------- 术语 ---------- */
.term-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:18px;}
.term-card{
  background:var(--c-card);border:1px solid var(--c-line);border-left:4px solid transparent;
  border-radius:var(--r-md);padding:20px 22px;transition:var(--t);min-width:0;
}
.term-card:hover{border-left-color:var(--c-brand);box-shadow:var(--sh-1);transform:translateY(-2px);}
.term-card h3{font-size:16px;margin:0 0 6px;}
.term-card p{font-size:14px;line-height:1.85;margin:0;}
/* ---------- 误区对照 ---------- */
.mis-grid{display:grid;gap:16px;}
.mis-row{
  display:grid;grid-template-columns:minmax(0,1fr) minmax(0,1.15fr);
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-md);
  overflow:hidden;min-width:0;
}
.mis-col{padding:18px 22px;min-width:0;}
.mis-col.wrong{background:var(--c-warm);border-right:1px solid var(--c-line);}
.mis-label{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:700;letter-spacing:.6px;margin-bottom:8px;
}
.mis-col.wrong .mis-label{color:#b23a26;}
.mis-col.right .mis-label{color:var(--c-sage);}
.mis-col p{margin:0;font-size:14.5px;line-height:1.85;}
/* ---------- FAQ ---------- */
.faq-accordion .accordion-item{
  border:1px solid var(--c-line);border-radius:var(--r-md);
  margin-bottom:14px;overflow:hidden;background:#fff;
}
.faq-accordion .accordion-button{
  font-size:16px;font-weight:600;color:var(--c-ink);background:#fff;
  padding:18px 22px;box-shadow:none;line-height:1.6;
}
.faq-accordion .accordion-button:not(.collapsed){color:var(--c-brand);background:var(--c-warm);}
.faq-accordion .accordion-button:focus{box-shadow:none;outline:2px solid var(--c-brand);outline-offset:-2px;}
.faq-accordion .accordion-button::after{width:1rem;height:1rem;background-size:1rem;}
.faq-accordion .accordion-body{font-size:14.5px;line-height:1.9;padding:16px 22px 22px;}
/* ---------- 下载 ---------- */
.dl-section{position:relative;background:var(--c-ink);padding:64px 0;}
.dl-section::before{content:"";position:absolute;left:0;right:0;top:0;height:4px;background:var(--grad);}
.dl-card{
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.12);
  border-radius:var(--r-lg);padding:34px;
  display:grid;grid-template-columns:minmax(0,.9fr) minmax(0,1.1fr);gap:34px;align-items:center;
}
.dl-tag{display:inline-block;font-size:12px;letter-spacing:2px;color:var(--c-brand-2);font-weight:700;}
.dl-intro h2{color:#fff;font-size:26px;line-height:1.35;margin:12px 0 12px;}
.dl-intro p{color:rgba(255,255,255,.72);font-size:14.5px;line-height:1.9;margin:0;}
.dl-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;}
.dl-item{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-md);padding:18px;text-align:center;min-width:0;transition:var(--t);
}
.dl-item:hover{background:rgba(255,255,255,.1);transform:translateY(-3px);}
.dl-item i{font-size:22px;color:var(--c-brand-2);}
.dl-item h3{font-size:15px;color:#fff;margin:10px 0 4px;}
.dl-item p{font-size:12.5px;color:rgba(255,255,255,.6);margin:0 0 12px;line-height:1.7;}
.dl-btn{
  display:inline-flex;width:100%;align-items:center;justify-content:center;gap:6px;
  padding:10px 12px;border-radius:999px;background:var(--grad);color:#fff;
  font-size:13.5px;font-weight:700;transition:var(--t);
}
.dl-btn:hover{color:#fff;filter:brightness(1.06);transform:translateY(-1px);}
.dl-btn:active{transform:translateY(1px);}
.dl-note{grid-column:1/-1;font-size:12.5px;color:rgba(255,255,255,.55);line-height:1.8;margin:4px 0 0;}
/* ---------- 风险提示 ---------- */
.risk-bar{background:var(--c-warm);border-top:1px solid var(--c-line);padding:26px 0;}
.risk-bar p{margin:0;font-size:13.5px;line-height:1.9;color:var(--c-ink-2);}
.risk-bar strong{color:var(--c-ink);}
/* ---------- Footer ---------- */
.site-footer{position:relative;background:var(--c-ink);color:rgba(255,255,255,.7);padding:56px 0 24px;}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:4px;background:var(--grad);}
.footer-grid{display:grid;grid-template-columns:minmax(0,1.5fr) repeat(3,minmax(0,.85fr));gap:32px;}
.fb-title{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.fb-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:12px;background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px;
}
.fb-title strong{color:#fff;font-size:17px;letter-spacing:.4px;}
.footer-brand p{font-size:13.5px;line-height:1.9;margin:0;color:rgba(255,255,255,.62);}
.footer-col h4{color:#fff;font-size:15px;margin:0 0 14px;}
.footer-col ul{list-style:none;margin:0;padding:0;}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:rgba(255,255,255,.66);font-size:14px;}
.footer-col a:hover{color:var(--c-brand-2);}
.footer-bottom{
  margin-top:36px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:12.5px;color:rgba(255,255,255,.5);line-height:1.8;
}
/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .group-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .about-grid{grid-template-columns:minmax(0,1fr);}
  .dl-card{grid-template-columns:minmax(0,1fr);gap:26px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cat-head h1{font-size:32px;}
}
@media (max-width:991px){
  .site-menu{display:none;}
  .nav-toggle{display:inline-flex;}
  .site-header-actions{margin-left:auto;}
}
@media (max-width:768px){
  .site-container{padding:0 16px;}
  .section{padding:48px 0;}
  .cat-head{padding:26px 0 32px;}
  .cat-head h1{font-size:27px;}
  .cat-lead{font-size:14.5px;}
  .section-head h2{font-size:23px;padding-left:14px;}
  .step-grid{grid-template-columns:minmax(0,1fr);}
  .news-grid{grid-template-columns:minmax(0,1fr);}
  .term-grid{grid-template-columns:minmax(0,1fr);}
  .mis-row{grid-template-columns:minmax(0,1fr);}
  .mis-col.wrong{border-right:0;border-bottom:1px solid var(--c-line);}
  .dl-section{padding:48px 0;}
  .dl-card{padding:24px;}
  .dl-grid{grid-template-columns:minmax(0,1fr);}
  .dl-intro h2{font-size:22px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);gap:24px;}
  .list-foot{justify-content:flex-start;}
}
@media (max-width:520px){
  .site-header-actions .btn-brand.small{display:none;}
  .group-grid{grid-template-columns:minmax(0,1fr);}
  .cat-head h1{font-size:24px;}
  .stat-pill{font-size:12.5px;padding:7px 13px;}
}