/* roulang page: index */
:root{
  --brand-ink:#0E2A22;
  --brand-ink-2:#14382D;
  --brand-lime:#C9F24D;
  --brand-lime-dark:#B4E038;
  --brand-flame:#FF5A2B;
  --surface-0:#F6F5F0;
  --surface-1:#FFFFFF;
  --surface-2:#FBFBF7;
  --line:#E4E0D6;
  --text-strong:#0B1F1A;
  --text-muted:#5B6660;
  --radius-card:18px;
  --radius-lg:20px;
  --radius-input:12px;
  --radius-pill:999px;
  --shadow-1:0 1px 2px rgba(11,31,26,.06),0 8px 24px rgba(11,31,26,.06);
  --shadow-2:0 4px 8px rgba(11,31,26,.08),0 18px 40px rgba(11,31,26,.10);
  --ease:cubic-bezier(.33,.1,.2,1);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;scroll-padding-top:132px;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  background:var(--surface-0);
  color:var(--text-strong);
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:var(--brand-ink);text-decoration:none;transition:color .18s var(--ease);}
a:hover{color:var(--brand-ink);}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;color:var(--text-strong);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand-lime);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;}

.container{
  max-width:1200px;
  padding-left:24px;
  padding-right:24px;
}
@media (min-width:1400px){
  .container{max-width:1320px;}
}
@media (min-width:1200px) and (max-width:1399.98px){
  .container{max-width:1200px;}
}

/* ---------- 按钮 ---------- */
.btn{
  border-radius:var(--radius-pill);
  font-weight:600;
  font-size:15px;
  padding:12px 26px;
  border:1px solid transparent;
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease),transform .18s var(--ease),box-shadow .18s var(--ease);
  line-height:1.5;
}
.btn:focus,.btn:focus-visible{box-shadow:none;outline:2px solid var(--brand-lime);outline-offset:2px;}
.btn-lime{background:var(--brand-lime);color:var(--brand-ink);border-color:var(--brand-lime);}
.btn-lime:hover{background:var(--brand-lime-dark);border-color:var(--brand-lime-dark);color:var(--brand-ink);transform:translateY(-2px);box-shadow:0 10px 24px rgba(201,242,77,.35);}
.btn-lime:active{transform:scale(.98);}
.btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.48);}
.btn-ghost:hover{background:rgba(255,255,255,.14);color:#fff;border-color:var(--brand-lime);}
.btn-outline-ink{background:transparent;color:var(--brand-ink);border-color:var(--brand-ink);}
.btn-outline-ink:hover{background:var(--brand-ink);color:#fff;}
.btn-lg{padding:14px 32px;font-size:16px;}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  padding:14px 0 0;
  transition:padding .2s var(--ease);
}
.site-header.is-scrolled{padding-top:8px;}
.nav-card{
  background:var(--surface-1);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-1);
  padding:14px 18px;
  display:flex;
  align-items:center;
  gap:18px;
  transition:padding .2s var(--ease),box-shadow .2s var(--ease);
  position:relative;
}
.site-header.is-scrolled .nav-card{
  padding:9px 18px;
  box-shadow:0 4px 10px rgba(11,31,26,.08),0 16px 34px rgba(11,31,26,.10);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:12px;
  background:var(--brand-ink);
  color:var(--brand-lime);
  display:inline-flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:700;
  transition:width .2s var(--ease),height .2s var(--ease);
}
.site-header.is-scrolled .brand-mark{width:32px;height:32px;}
.brand-text{font-size:17px;font-weight:700;color:var(--brand-ink);letter-spacing:-.01em;white-space:nowrap;}
.site-header.is-scrolled .brand-text{font-size:16px;}
.nav-entries{display:flex;align-items:center;gap:10px;margin-left:6px;flex:1 1 auto;}
.nav-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 14px;
  border-radius:12px;
  border:1px solid transparent;
  color:var(--text-strong);
  font-size:15px;
  font-weight:500;
  white-space:nowrap;
  transition:background-color .18s var(--ease),color .18s var(--ease),border-color .18s var(--ease);
}
.nav-pill i{font-size:15px;color:var(--text-muted);transition:color .18s var(--ease);}
.nav-pill:hover{background:var(--surface-0);border-color:var(--line);}
.nav-pill:hover i{color:var(--brand-lime-dark);}
.nav-pill.active{background:var(--surface-0);border-color:var(--line);color:var(--brand-ink);font-weight:600;position:relative;}
.nav-pill.active i{color:var(--brand-ink);}
.nav-pill.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:3px;
  border-radius:3px;background:var(--brand-lime);
}
.nav-cta{flex:0 0 auto;}
.nav-toggle{
  display:none;background:var(--surface-0);border:1px solid var(--line);
  border-radius:12px;width:42px;height:42px;color:var(--brand-ink);
  align-items:center;justify-content:center;font-size:18px;margin-left:auto;
}
.nav-drawer-cta{display:none;}

/* 锚点胶囊工具栏 */
.anchor-bar{
  margin-top:10px;
  display:flex;
  gap:8px;
  overflow-x:auto;
  padding:4px 2px 6px;
  scrollbar-width:none;
}
.anchor-bar::-webkit-scrollbar{display:none;}
.anchor-pill{
  flex:0 0 auto;
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 16px;
  border-radius:var(--radius-pill);
  background:var(--surface-1);
  border:1px solid var(--line);
  color:var(--text-muted);
  font-size:14px;
  transition:all .18s var(--ease);
}
.anchor-pill:hover{color:var(--brand-ink);border-color:#CFD8CC;}
.anchor-pill.is-current{background:var(--brand-lime);border-color:var(--brand-lime);color:var(--brand-ink);font-weight:600;}

/* ---------- Hero ---------- */
.hero{
  position:relative;
  margin-top:18px;
  border-radius:28px;
  overflow:hidden;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(14,42,34,.90) 0%,rgba(14,42,34,.72) 55%,rgba(14,42,34,.60) 100%);
}
.hero::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:520px;height:520px;
  border:2px solid rgba(201,242,77,.16);border-radius:50%;
  pointer-events:none;
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;
  grid-template-columns:1.08fr .92fr;
  gap:48px;
  align-items:center;
  padding-top:76px;
  padding-bottom:76px;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(201,242,77,.16);
  border:1px solid rgba(201,242,77,.36);
  color:var(--brand-lime);
  font-size:13px;font-weight:600;
  padding:6px 14px;border-radius:var(--radius-pill);
  margin-bottom:20px;
}
.hero h1{
  color:#fff;
  font-size:46px;
  line-height:1.24;
  margin-bottom:18px;
}
.hero h1 em{color:var(--brand-lime);font-style:normal;}
.hero-sub{
  color:rgba(255,255,255,.82);
  font-size:17px;
  margin-bottom:28px;
  max-width:460px;
}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:40px;}
.trust-bar{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:18px;
  border-top:1px solid rgba(255,255,255,.14);
  padding-top:22px;
}
.trust-item{display:flex;flex-direction:column;gap:2px;}
.trust-num{
  color:var(--brand-lime);
  font-size:26px;
  font-weight:700;
  line-height:1.2;
}
.trust-label{color:rgba(255,255,255,.72);font-size:13px;line-height:1.5;}
.hero-media{
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid rgba(255,255,255,.14);
  box-shadow:0 24px 60px rgba(0,0,0,.34);
}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}

/* ---------- 区块通用 ---------- */
.section{padding:104px 0;}
.section-tight{padding:88px 0;}
.section-head{max-width:660px;margin-bottom:44px;}
.section-head h2{font-size:32px;line-height:1.32;margin-bottom:14px;}
.section-head p{color:var(--text-muted);font-size:16px;}
.eyebrow{
  display:inline-block;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--brand-ink);
  background:var(--brand-lime);
  border-radius:var(--radius-pill);
  padding:5px 14px;
  margin-bottom:16px;
}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:600;color:var(--brand-ink);
  border-bottom:2px solid var(--brand-lime);
  padding-bottom:2px;
}
.link-arrow i{transition:transform .18s var(--ease);}
.link-arrow:hover i{transform:translateX(4px);}

/* ---------- 卖点区 ---------- */
.features-layout{
  display:grid;
  grid-template-columns:340px 1fr;
  gap:56px;
  align-items:start;
}
.features-side{position:sticky;top:150px;}
.features-side h2{font-size:32px;line-height:1.32;margin-bottom:14px;}
.features-side p{color:var(--text-muted);margin-bottom:22px;}
.feature-list{border-top:1px solid var(--line);}
.row-card{
  display:flex;align-items:flex-start;gap:22px;
  padding:26px 18px 26px 8px;
  border-bottom:1px solid var(--line);
  transition:background-color .18s var(--ease),padding-left .18s var(--ease);
}
.row-card:hover{background:var(--surface-2);padding-left:16px;border-radius:14px;}
.row-index{
  flex:0 0 auto;
  font-size:14px;font-weight:700;
  color:var(--brand-ink);
  background:var(--brand-lime);
  border-radius:8px;
  padding:4px 10px;
  letter-spacing:.06em;
}
.row-main{flex:1 1 auto;}
.row-main h3{font-size:20px;margin-bottom:6px;}
.row-main p{color:var(--text-muted);font-size:15px;}
.row-arrow{
  flex:0 0 auto;color:var(--text-muted);font-size:16px;
  transition:transform .18s var(--ease),color .18s var(--ease);
  margin-top:10px;
}
.row-card:hover .row-arrow{transform:translateX(4px);color:var(--brand-ink);}

/* ---------- 演示区 ---------- */
.demo-block{
  display:grid;
  grid-template-columns:1fr 1fr;
  gap:56px;
  align-items:center;
  padding:56px 0;
  border-bottom:1px solid var(--line);
}
.demo-block:last-child{border-bottom:none;}
.demo-block.reverse .demo-media{order:2;}
.demo-block.reverse .demo-copy{order:1;}
.demo-media{
  border-radius:var(--radius-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-1);
}
.demo-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s var(--ease);}
.demo-media:hover img{transform:scale(1.02);}
.demo-copy h3{font-size:24px;margin-bottom:14px;}
.demo-copy p{color:var(--text-muted);margin-bottom:18px;}
.demo-list{margin-bottom:22px;}
.demo-list li{
  position:relative;
  padding-left:26px;
  color:var(--text-strong);
  font-size:15px;
  margin-bottom:10px;
}
.demo-list li::before{
  content:"";position:absolute;left:0;top:11px;
  width:12px;height:2px;border-radius:2px;background:var(--brand-lime);
}

/* ---------- 证据区（深色） ---------- */
.evidence{
  background:var(--brand-ink);
  border-radius:28px;
  margin:0 auto;
  max-width:1320px;
  padding:80px 0;
  color:#fff;
}
.evidence-head{display:flex;justify-content:space-between;align-items:flex-end;gap:32px;margin-bottom:44px;flex-wrap:wrap;}
.evidence-head h2{color:#fff;font-size:32px;margin-bottom:12px;}
.evidence-head p{color:rgba(255,255,255,.70);max-width:560px;}
.evidence-badge{
  background:var(--brand-lime);color:var(--brand-ink);
  font-size:13px;font-weight:700;
  border-radius:var(--radius-pill);padding:7px 16px;white-space:nowrap;
}
.evidence-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:22px;
}
.stat-card{
  background:rgba(255,255,255,.05);
  border:1px solid rgba(255,255,255,.10);
  border-radius:var(--radius-card);
  padding:30px 28px;
  display:flex;flex-direction:column;gap:10px;
  transition:background-color .18s var(--ease),transform .18s var(--ease);
}
.stat-card:hover{background:rgba(255,255,255,.09);transform:translateY(-3px);}
.stat-top{display:flex;align-items:center;justify-content:space-between;gap:16px;}
.stat-label{font-size:14px;color:rgba(255,255,255,.66);}
.stat-tag{
  font-size:12px;color:var(--brand-lime);
  border:1px solid rgba(201,242,77,.42);
  border-radius:var(--radius-pill);
  padding:3px 10px;
}
.stat-num{
  font-size:40px;font-weight:700;color:var(--brand-lime);line-height:1.1;
}
.stat-note{font-size:14px;color:rgba(255,255,255,.72);line-height:1.7;}

/* ---------- 最新信息 ---------- */
.news-filter{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:32px;}
.filter-chip{
  font-size:14px;
  padding:7px 16px;
  border-radius:var(--radius-pill);
  background:var(--surface-1);
  border:1px solid var(--line);
  color:var(--text-muted);
}
.filter-chip.is-active{background:var(--brand-ink);border-color:var(--brand-ink);color:#fff;}
.news-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.news-card{
  background:var(--surface-1);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  overflow:hidden;
  display:flex;flex-direction:column;
  box-shadow:var(--shadow-1);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--brand-lime);}
.news-cover{display:block;overflow:hidden;}
.news-cover img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s var(--ease);}
.news-card:hover .news-cover img{transform:scale(1.04);}
.news-body{padding:22px 22px 20px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.news-cat{
  align-self:flex-start;
  font-size:12px;font-weight:600;
  color:var(--brand-ink);
  background:var(--surface-0);
  border:1px solid var(--line);
  border-radius:6px;
  padding:3px 10px;
}
.news-title{font-size:18px;line-height:1.5;}
.news-title a{
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  color:var(--text-strong);
}
.news-card:hover .news-title a{color:var(--brand-ink);}
.news-excerpt{
  color:var(--text-muted);
  font-size:14px;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;
  padding-top:14px;
  border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-muted);
}
.news-more{display:inline-flex;align-items:center;gap:6px;color:var(--brand-ink);font-weight:600;transition:transform .18s var(--ease);}
.news-card:hover .news-more{transform:translateX(4px);}
.empty-state{
  border:1px dashed var(--line);
  border-radius:var(--radius-card);
  padding:40px 24px;
  text-align:center;
  background:var(--surface-1);
}
.empty-state p{color:var(--text-muted);margin-bottom:12px;}
.news-foot{margin-top:36px;text-align:center;}

/* ---------- 价格区 ---------- */
.price-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:22px;
  align-items:stretch;
}
.price-card{
  background:var(--surface-1);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:30px 26px;
  display:flex;flex-direction:column;
  box-shadow:var(--shadow-1);
  transition:transform .18s var(--ease),box-shadow .18s var(--ease),border-color .18s var(--ease);
  position:relative;
}
.price-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--brand-lime);}
.price-card.is-featured{
  background:var(--brand-ink);
  border-color:var(--brand-ink);
  transform:translateY(-8px);
  box-shadow:0 20px 46px rgba(11,31,26,.26);
}
.price-card.is-featured:hover{transform:translateY(-11px);}
.price-card.is-featured .price-name,
.price-card.is-featured .price-amount{color:#fff;}
.price-card.is-featured .price-unit,
.price-card.is-featured .price-desc,
.price-card.is-featured .price-feature{color:rgba(255,255,255,.76);}
.price-card.is-featured .price-feature i{color:var(--brand-lime);}
.price-card.is-featured .price-line{border-color:rgba(255,255,255,.14);}
.price-flag{
  position:absolute;top:-13px;left:26px;
  background:var(--brand-lime);color:var(--brand-ink);
  font-size:12px;font-weight:700;
  padding:4px 12px;border-radius:var(--radius-pill);
}
.price-name{font-size:17px;font-weight:600;margin-bottom:8px;}
.price-desc{font-size:14px;color:var(--text-muted);margin-bottom:20px;min-height:46px;}
.price-value{display:flex;align-items:baseline;gap:6px;margin-bottom:22px;}
.price-amount{font-size:38px;font-weight:700;line-height:1;}
.price-unit{font-size:14px;color:var(--text-muted);}
.price-line{border-top:1px solid var(--line);padding-top:20px;margin-bottom:24px;flex:1 1 auto;}
.price-feature{
  display:flex;align-items:flex-start;gap:10px;
  font-size:15px;color:var(--text-muted);
  margin-bottom:12px;
}
.price-feature:last-child{margin-bottom:0;}
.price-feature i{color:var(--brand-lime-dark);font-size:14px;margin-top:6px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}
.accordion-item{
  border:1px solid var(--line);
  border-radius:16px;
  background:var(--surface-1);
  margin-bottom:14px;
  overflow:hidden;
  box-shadow:none;
}
.accordion-button{
  font-size:16px;
  font-weight:600;
  color:var(--text-strong);
  background:var(--surface-1);
  padding:18px 22px;
  min-height:58px;
  box-shadow:none;
  position:relative;
}
.accordion-button::before{
  content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;
  border-radius:3px;background:var(--line);
  transition:background-color .18s var(--ease);
}
.accordion-button:not(.collapsed){background:var(--surface-2);color:var(--brand-ink);box-shadow:none;}
.accordion-button:not(.collapsed)::before{background:var(--brand-lime);}
.accordion-button::after{
  background-image:none;
  content:"\f067";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  font-size:14px;
  color:var(--brand-ink);
  transition:transform .2s var(--ease);
  width:auto;height:auto;
}
.accordion-button:not(.collapsed)::after{transform:rotate(45deg);}
.accordion-button:focus{box-shadow:none;outline:2px solid var(--brand-lime);outline-offset:-2px;}
.accordion-body{
  padding:4px 22px 22px 22px;
  font-size:15px;
  line-height:1.85;
  color:var(--text-muted);
}

/* ---------- CTA 条 ---------- */
.cta-band{
  background:var(--brand-ink);
  border-radius:24px;
  padding:56px 48px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:32px;
  flex-wrap:wrap;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-90px;width:320px;height:320px;
  border:1px solid rgba(201,242,77,.18);border-radius:50%;
}
.cta-band h2{color:#fff;font-size:30px;line-height:1.35;margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.74);font-size:16px;max-width:520px;}
.cta-band .cta-actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 表单 ---------- */
.form-card{
  background:var(--surface-1);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:30px 28px;
  box-shadow:var(--shadow-1);
}
.form-label{font-size:14px;font-weight:600;color:var(--text-strong);margin-bottom:8px;}
.form-control{
  height:48px;
  border-radius:var(--radius-input);
  border:1px solid var(--line);
  background:var(--surface-2);
  font-size:15px;
  color:var(--text-strong);
  padding:0 16px;
}
.form-control::placeholder{color:#9AA39D;}
.form-control:focus{
  background:#fff;
  border-color:var(--brand-ink);
  box-shadow:0 0 0 6px rgba(201,242,77,.35);
  color:var(--text-strong);
}
.form-note{font-size:13px;color:var(--text-muted);margin-top:12px;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--brand-ink);
  color:rgba(255,255,255,.76);
  padding:72px 0 0;
  margin-top:104px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:40px;
  padding-bottom:48px;
}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:var(--brand-lime);color:var(--brand-ink);}
.footer-brand span.footer-name{color:#fff;font-size:17px;font-weight:700;}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);}
.footer-col h4{color:#fff;font-size:14px;font-weight:600;margin-bottom:18px;letter-spacing:.02em;}
.footer-col li{margin-bottom:12px;}
.footer-col a{color:rgba(255,255,255,.70);font-size:14px;}
.footer-col a:hover{color:var(--brand-lime);}
.footer-contact li{font-size:14px;color:rgba(255,255,255,.70);display:flex;gap:10px;align-items:flex-start;}
.footer-contact i{color:var(--brand-lime);margin-top:6px;font-size:13px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 26px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;
  right:24px;bottom:28px;
  z-index:1020;
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand-lime);
  color:var(--brand-ink);
  font-weight:700;font-size:15px;
  padding:14px 24px;
  border-radius:var(--radius-pill);
  box-shadow:0 14px 34px rgba(11,31,26,.26);
  opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity .2s var(--ease),transform .2s var(--ease),background-color .18s var(--ease);
}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-cta:hover{background:var(--brand-lime-dark);color:var(--brand-ink);}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .hero h1{font-size:38px;}
  .features-layout{grid-template-columns:1fr;gap:32px;}
  .features-side{position:static;}
  .evidence-grid{grid-template-columns:1fr 1fr;}
  .news-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:991.98px){
  .nav-toggle{display:inline-flex;}
  .nav-cta{display:none;}
  .nav-entries{
    position:fixed;
    left:16px;right:16px;top:14px;
    background:var(--surface-0);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    box-shadow:var(--shadow-2);
    padding:24px 18px 20px;
    flex-direction:column;
    align-items:stretch;
    gap:10px;
    margin-left:0;
    display:none;
    z-index:1040;
    max-height:76vh;
    overflow-y:auto;
  }
  .nav-entries.is-open{display:flex;}
  .nav-pill{padding:14px 16px;font-size:16px;border-color:var(--line);}
  .nav-pill.active::after{display:none;}
  .nav-pill.active{border-left:3px solid var(--brand-lime);}
  .nav-drawer-cta{display:inline-flex;justify-content:center;margin-top:10px;}
  .hero-inner{grid-template-columns:1fr;gap:36px;padding-top:56px;padding-bottom:56px;}
  .hero-media{order:2;}
  .hero h1{font-size:34px;}
  .section{padding:76px 0;}
  .section-tight{padding:64px 0;}
  .demo-block{grid-template-columns:1fr;gap:28px;padding:40px 0;}
  .demo-block.reverse .demo-media{order:1;}
  .demo-block.reverse .demo-copy{order:2;}
  .price-grid{grid-template-columns:1fr;}
  .price-card.is-featured{transform:none;}
  .cta-band{padding:40px 28px;}
  .cta-band h2{font-size:24px;}
  .evidence{border-radius:20px;padding:60px 0;}
  .evidence-grid{grid-template-columns:1fr;}
  .stat-num{font-size:34px;}
  html{scroll-padding-top:112px;}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px;}
  .hero{border-radius:20px;}
  .hero h1{font-size:28px;}
  .hero-sub{font-size:15px;}
  .trust-bar{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
  .trust-num{font-size:22px;}
  .nav-card{padding:12px 14px;}
  .brand-text{font-size:15px;}
  .section{padding:56px 0;}
  .section-head h2,.features-side h2,.evidence-head h2{font-size:24px;}
  .news-grid{grid-template-columns:1fr;}
  .row-card{gap:14px;padding:20px 6px;}
  .row-main h3{font-size:18px;}
  .cta-band{padding:32px 20px;border-radius:20px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .float-cta{
    left:16px;right:16px;bottom:16px;
    justify-content:center;
    border-radius:16px;
  }
  .site-footer{padding-top:56px;margin-bottom:24px;}
}

/* roulang page: article */
:root{
  --brand-ink:#0E2A22;
  --brand-ink-2:#14382C;
  --brand-lime:#C9F24D;
  --brand-lime-dark:#B7E23C;
  --brand-flame:#FF5A2B;
  --surface-0:#F6F5F0;
  --surface-1:#FFFFFF;
  --line:#E4E0D6;
  --text-strong:#0B1F1A;
  --text-muted:#5B6660;
  --radius-card:18px;
  --radius-lg:20px;
  --radius-input:12px;
  --shadow-sm:0 1px 2px rgba(11,31,26,.06),0 8px 24px rgba(11,31,26,.06);
  --shadow-hover:0 4px 8px rgba(11,31,26,.08),0 18px 40px rgba(11,31,26,.10);
  --container:1200px;
  --ease:all .18s ease-out;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--surface-0);
  color:var(--text-strong);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  padding-bottom:24px;
}
img{max-width:100%;display:block;}
a{color:var(--brand-ink);text-decoration:none;transition:var(--ease);}
a:hover{color:var(--brand-ink-2);}
h1,h2,h3,h4{font-weight:700;letter-spacing:-.01em;color:var(--text-strong);margin:0;}
p{margin:0 0 1.2em;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand-lime);outline-offset:2px;}
.num{font-variant-numeric:tabular-nums;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border:none;
  border-radius:999px;
  font-weight:700;
  font-size:15px;
  line-height:1;
  padding:14px 26px;
  cursor:pointer;
  transition:var(--ease);
  text-align:center;
}
.btn-lime{background:var(--brand-lime);color:var(--brand-ink);}
.btn-lime:hover{background:var(--brand-lime-dark);color:var(--brand-ink);transform:translateY(-1px);}
.btn-lime:active{transform:scale(.98);}
.btn-lime:focus-visible{outline:2px solid var(--brand-ink);outline-offset:2px;}
.btn-ink{background:var(--brand-ink);color:#fff;}
.btn-ink:hover{background:var(--brand-ink-2);color:#fff;transform:translateY(-1px);}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.55);}
.btn-ghost:hover{border-color:var(--brand-lime);color:var(--brand-lime);}
.btn-outline-ink{background:transparent;color:var(--brand-ink);border:1px solid var(--brand-ink);}
.btn-outline-ink:hover{background:var(--brand-ink);color:#fff;}
.btn-lg{padding:16px 32px;font-size:16px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:var(--surface-0);
  padding:16px 0 8px;
}
.nav-card{
  display:flex;
  align-items:center;
  gap:16px;
  background:var(--surface-1);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);
  padding:14px 20px;
  transition:var(--ease);
}
.site-header.is-compact .nav-card{padding:9px 20px;box-shadow:var(--shadow-hover);}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto;}
.brand-mark{
  width:40px;height:40px;flex:0 0 40px;border-radius:12px;
  background:var(--brand-ink);color:var(--brand-lime);
  display:inline-flex;align-items:center;justify-content:center;font-size:17px;
}
.brand-text{font-size:18px;font-weight:700;color:var(--text-strong);white-space:nowrap;}
.nav-entries{display:flex;align-items:center;justify-content:center;gap:8px;flex:1 1 auto;}
.nav-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 14px;border-radius:14px;
  font-size:14px;font-weight:500;color:var(--text-muted);
  white-space:nowrap;
}
.nav-pill i{font-size:15px;color:var(--text-muted);transition:var(--ease);}
.nav-pill:hover{background:var(--surface-0);color:var(--brand-ink);}
.nav-pill:hover i{color:var(--brand-lime);}
.nav-pill.active{color:var(--brand-ink);box-shadow:inset 0 -2px 0 0 var(--brand-lime);}
.nav-drawer-cta{display:none;}
.nav-cta{flex:0 0 auto;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:var(--surface-1);color:var(--brand-ink);
  align-items:center;justify-content:center;font-size:18px;margin-left:auto;
}
.nav-toggle:hover{background:var(--surface-0);}

.anchor-bar{
  display:flex;gap:8px;margin-top:10px;
  overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;
  padding-bottom:2px;
}
.anchor-bar::-webkit-scrollbar{display:none;}
.anchor-pill{
  flex:0 0 auto;padding:8px 16px;border-radius:999px;
  background:var(--surface-1);border:1px solid var(--line);
  font-size:13px;color:var(--text-muted);white-space:nowrap;
}
.anchor-pill:hover{background:var(--brand-lime);border-color:var(--brand-lime);color:var(--brand-ink);}

/* ============ 面包屑 ============ */
.crumb-wrap{padding-top:28px;}
.crumb-list{display:flex;flex-wrap:wrap;align-items:center;gap:6px;font-size:13px;color:var(--text-muted);}
.crumb-list li{display:inline-flex;align-items:center;gap:6px;}
.crumb-list li+li::before{content:"/";color:var(--line);}
.crumb-list a{color:var(--text-muted);}
.crumb-list a:hover{color:var(--brand-ink);}
.crumb-list .current{color:var(--brand-ink);font-weight:600;max-width:520px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}

/* ============ 文章头部 ============ */
.article-head{padding:26px 0 0;}
.badge-cat{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--brand-lime);color:var(--brand-ink);
  font-size:12px;font-weight:700;letter-spacing:.02em;
  padding:5px 12px;border-radius:6px;
}
.article-title{
  font-size:44px;line-height:1.25;margin:18px 0 0;
  max-width:900px;
}
.article-meta{
  display:flex;flex-wrap:wrap;gap:20px;margin-top:18px;
  font-size:13px;color:var(--text-muted);font-variant-numeric:tabular-nums;
}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{color:var(--brand-ink);opacity:.7;}
.rule{height:1px;background:var(--line);border:0;margin:26px 0 0;}

/* ============ 文章主体布局 ============ */
.article-section{padding:36px 0 0;}
.article-layout{display:grid;grid-template-columns:minmax(0,1fr);gap:32px;}

.article-body{
  background:var(--surface-1);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);
  padding:40px 44px;
  font-size:17px;
  line-height:1.9;
  color:#1A2B26;
}
.article-body > *:first-child{margin-top:0;}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  position:relative;
  font-size:26px;line-height:1.4;
  margin:2em 0 .8em;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:4px;
  border-radius:2px;background:var(--brand-lime);
}
.article-body h3{font-size:20px;line-height:1.5;margin:1.8em 0 .6em;}
.article-body h4{font-size:18px;margin:1.5em 0 .5em;}
.article-body ul,.article-body ol{margin:0 0 1.2em;padding-left:1.2em;}
.article-body ul{list-style:none;padding-left:0;}
.article-body ul li{position:relative;padding-left:22px;margin-bottom:.5em;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:8px;height:8px;
  border-radius:2px;background:var(--brand-lime);
}
.article-body ol{list-style:decimal;}
.article-body ol li{margin-bottom:.5em;}
.article-body a{color:var(--brand-ink);border-bottom:1px solid var(--brand-lime);}
.article-body a:hover{color:var(--brand-ink-2);border-bottom-color:var(--brand-ink);}
.article-body blockquote{
  margin:1.6em 0;padding:16px 22px;
  border-left:3px solid var(--brand-lime);
  background:var(--surface-0);
  border-radius:0 12px 12px 0;
  color:#26403A;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:16px;margin:1.6em 0;width:100%;object-fit:cover;}
.article-body figcaption{font-size:13px;color:var(--text-muted);text-align:center;margin:-.8em 0 1.8em;}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;border:1px solid var(--line);}
.article-body th{background:var(--brand-ink);color:#fff;font-weight:600;text-align:left;padding:12px 14px;}
.article-body td{padding:12px 14px;border-top:1px solid var(--line);}
.article-body tr:nth-child(even) td{background:#FBFAF6;}
.article-body pre{
  background:var(--brand-ink);color:#E7F5D9;border-radius:14px;
  padding:18px 20px;overflow-x:auto;font-size:14px;line-height:1.7;
}
.article-body code{background:var(--surface-0);border:1px solid var(--line);border-radius:6px;padding:1px 6px;font-size:14px;}
.article-body pre code{background:transparent;border:0;padding:0;color:inherit;}
.article-body hr{border:0;height:1px;background:var(--line);margin:2em 0;}

.empty-state{
  border:1px dashed var(--line);
  border-radius:var(--radius-card);
  padding:40px 24px;text-align:center;color:var(--text-muted);
}
.empty-state p{margin-bottom:12px;}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  font-weight:600;color:var(--brand-ink);
  border-bottom:1px solid var(--brand-lime);padding-bottom:2px;
}
.text-link:hover i{transform:translateX(4px);}
.text-link i{transition:var(--ease);font-size:12px;}

/* ============ 标签行 ============ */
.tag-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:28px;
}
.tag-label{font-size:13px;color:var(--text-muted);}
.tag{
  display:inline-flex;align-items:center;
  padding:6px 14px;border-radius:999px;
  background:var(--surface-1);border:1px solid var(--line);
  font-size:13px;color:var(--text-muted);
}
.tag:hover{background:var(--brand-lime);border-color:var(--brand-lime);color:var(--brand-ink);}

/* ============ 相关推荐 ============ */
.related{margin-top:56px;}
.related-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:20px;}
.related-head h2{font-size:26px;}
.related-head p{font-size:14px;color:var(--text-muted);margin:6px 0 0;}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px;}
.post-card{
  display:flex;flex-direction:column;
  background:var(--surface-1);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);
  overflow:hidden;
  transition:var(--ease);
  height:100%;
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--brand-lime);}
.post-thumb{position:relative;aspect-ratio:16/9;background:var(--surface-0);overflow:hidden;}
.post-thumb img{width:100%;height:100%;object-fit:cover;}
.post-thumb::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(14,42,34,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(14,42,34,.05) 1px,transparent 1px);
  background-size:22px 22px;
  pointer-events:none;
}
.post-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto;}
.post-body h3{font-size:17px;line-height:1.5;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-card:hover h3{color:var(--brand-ink-2);}
.post-body p{font-size:14px;color:var(--text-muted);line-height:1.75;margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-muted);font-variant-numeric:tabular-nums;
}
.post-foot .more{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--brand-ink);}
.post-foot .more i{font-size:12px;transition:var(--ease);}
.post-card:hover .more i{transform:translateX(4px);}

/* ============ 侧栏 ============ */
.article-aside{display:grid;gap:20px;align-content:start;}
.aside-card{
  background:var(--surface-1);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);
  padding:22px 22px;
}
.aside-title{
  font-size:14px;font-weight:700;color:var(--text-strong);
  padding-left:12px;position:relative;margin-bottom:14px;
}
.aside-title::before{
  content:"";position:absolute;left:0;top:.25em;bottom:.25em;width:3px;
  border-radius:2px;background:var(--brand-lime);
}
.aside-nav li+li{margin-top:8px;}
.aside-nav a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:14px;color:var(--text-muted);
  padding:9px 12px;border-radius:10px;background:var(--surface-0);
}
.aside-nav a:hover{color:var(--brand-ink);background:#EFF3E3;}
.aside-nav a i{font-size:11px;}
.aside-cta{background:var(--brand-ink);border-color:rgba(255,255,255,.1);box-shadow:none;}
.aside-cta .aside-title{color:#fff;}
.aside-cta p{font-size:14px;color:rgba(255,255,255,.75);line-height:1.75;}
.aside-cta .btn{width:100%;margin-top:4px;}

/* ============ CTA 条 ============ */
.cta-band{padding:96px 0 0;}
.cta-inner{
  background:var(--brand-ink);
  border-radius:24px;
  padding:52px 56px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  border:1px solid rgba(255,255,255,.1);
}
.cta-inner h2{color:#fff;font-size:30px;line-height:1.35;}
.cta-inner p{color:rgba(255,255,255,.75);margin:12px 0 0;font-size:15px;max-width:560px;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--brand-ink);
  color:rgba(255,255,255,.72);
  margin-top:96px;
  padding:64px 0 24px;
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.08);}
.footer-name{color:#fff;font-size:17px;font-weight:700;}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.65);margin:0;}
.footer-col h4{
  color:#fff;font-size:14px;font-weight:700;margin-bottom:16px;letter-spacing:.02em;
}
.footer-col ul li+li{margin-top:10px;}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.65);}
.footer-col ul a:hover{color:var(--brand-lime);}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:rgba(255,255,255,.65);}
.footer-contact i{color:var(--brand-lime);font-size:13px;margin-top:5px;}
.footer-bottom{
  margin-top:48px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:12px;color:rgba(255,255,255,.55);
}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:1020;
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand-lime);color:var(--brand-ink);
  font-weight:700;font-size:15px;padding:14px 24px;border-radius:999px;
  box-shadow:0 10px 26px rgba(11,31,26,.22);
  opacity:0;transform:translateY(14px);pointer-events:none;
  transition:opacity .2s ease-out,transform .2s ease-out;
}
.float-cta.show{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-cta:hover{background:var(--brand-lime-dark);color:var(--brand-ink);}

/* ============ 响应式 ============ */
@media (min-width:1200px){
  .article-layout{grid-template-columns:minmax(0,800px) 300px;justify-content:center;gap:52px;}
  .article-aside{position:sticky;top:112px;}
}
@media (min-width:1400px){
  .container{max-width:1320px;}
}
@media (max-width:1199.98px){
  .article-body{max-width:820px;margin:0 auto;}
  .article-title{font-size:36px;}
}
@media (max-width:991.98px){
  .nav-toggle{display:inline-flex;}
  .nav-entries{
    position:fixed;left:16px;right:16px;top:84px;
    flex-direction:column;align-items:stretch;justify-content:flex-start;
    gap:6px;background:var(--surface-1);
    border:1px solid var(--line);border-radius:var(--radius-card);
    box-shadow:var(--shadow-hover);
    padding:14px;display:none;z-index:1040;
  }
  .nav-entries.is-open{display:flex;}
  .nav-pill{background:var(--surface-0);padding:14px 16px;border-radius:14px;}
  .nav-pill.active{box-shadow:inset 3px 0 0 0 var(--brand-lime);}
  .nav-drawer-cta{display:inline-flex;margin-top:8px;width:100%;}
  .nav-cta{display:none;}
  .brand-text{font-size:16px;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:28px;}
  .cta-inner{padding:40px 36px;flex-direction:column;align-items:flex-start;}
}
@media (max-width:767.98px){
  .article-title{font-size:30px;}
  .article-body{padding:26px 22px;font-size:16px;}
  .article-body h2{font-size:22px;}
  .article-body h3{font-size:19px;}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .cta-band{padding-top:64px;}
  .cta-inner h2{font-size:24px;}
  .site-footer{margin-top:64px;padding-top:48px;}
}
@media (max-width:575.98px){
  .container{padding-left:16px;padding-right:16px;}
  .article-title{font-size:27px;}
  .article-meta{gap:12px;font-size:12px;}
  .footer-grid{grid-template-columns:minmax(0,1fr);}
  .footer-bottom{flex-direction:column;}
  .cta-inner{padding:32px 24px;border-radius:20px;}
  .float-cta{left:16px;right:16px;bottom:16px;justify-content:center;}
  .article-body{padding:22px 18px;}
}

/* roulang page: category1 */
:root{
  --brand-ink:#0E2A22;
  --brand-lime:#C9F24D;
  --brand-flame:#FF5A2B;
  --surface-0:#F6F5F0;
  --surface-1:#FFFFFF;
  --surface-2:#EFEDE4;
  --line:#E4E0D6;
  --text-strong:#0B1F1A;
  --text-muted:#5B6660;
  --radius-card:18px;
  --radius-img:20px;
  --radius-field:12px;
  --radius-btn:999px;
  --shadow-sm:0 1px 2px rgba(11,31,26,.06), 0 8px 24px rgba(11,31,26,.06);
  --shadow-hover:0 4px 8px rgba(11,31,26,.08), 0 18px 40px rgba(11,31,26,.10);
  --ease:180ms ease-out;
}

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

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

body{
  margin:0;
  background:var(--surface-0);
  color:var(--text-strong);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}

img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color var(--ease),background var(--ease),border-color var(--ease),transform var(--ease);}
button{font-family:inherit;}
h1,h2,h3,h4{font-weight:700;letter-spacing:-.01em;color:var(--text-strong);margin:0;line-height:1.3;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
.num{font-variant-numeric:tabular-nums;}

:focus-visible{outline:2px solid var(--brand-lime);outline-offset:2px;border-radius:4px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:24px;
  padding-right:24px;
}
@media (min-width:1400px){.container{max-width:1320px;}}
@media (max-width:575px){.container{padding-left:16px;padding-right:16px;}}

/* ---------- 页头导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:var(--surface-0);
  padding:14px 0 10px;
  transition:padding var(--ease);
}
.site-header.is-scrolled{padding-top:8px;}
.site-header.is-scrolled .nav-card{padding-top:8px;padding-bottom:8px;box-shadow:0 4px 8px rgba(11,31,26,.08),0 18px 40px rgba(11,31,26,.10);}

.nav-card{
  display:flex;
  align-items:center;
  gap:14px;
  background:var(--surface-1);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:12px 16px;
  box-shadow:var(--shadow-sm);
  transition:padding var(--ease),box-shadow var(--ease);
}

.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--brand-ink);color:var(--brand-lime);
  display:grid;place-items:center;font-size:16px;
}
.brand-text{font-size:17px;font-weight:700;color:var(--text-strong);white-space:nowrap;}

.nav-toggle{
  display:none;
  margin-left:auto;
  width:44px;height:44px;
  border-radius:12px;border:1px solid var(--line);
  background:var(--surface-0);color:var(--brand-ink);
  font-size:18px;cursor:pointer;
}

.nav-entries{display:flex;align-items:center;gap:8px;margin-left:auto;}
.nav-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 14px;
  border-radius:12px;
  background:var(--surface-0);
  border:1px solid transparent;
  border-left:3px solid transparent;
  color:var(--text-strong);
  font-size:15px;
  white-space:nowrap;
  transition:background var(--ease),color var(--ease),border-color var(--ease);
}
.nav-pill i{font-size:15px;color:var(--text-muted);transition:color var(--ease);}
.nav-pill:hover{background:var(--surface-2);}
.nav-pill:hover i{color:var(--brand-ink);}
.nav-pill.active{
  background:rgba(201,242,77,.28);
  border-left:3px solid var(--brand-lime);
  color:var(--brand-ink);
}
.nav-pill.active i{color:var(--brand-ink);}
.nav-drawer-cta{display:none;}

.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--radius-btn);
  font-weight:700;
  font-size:15px;
  padding:11px 22px;
  border:1.5px solid transparent;
  cursor:pointer;
  transition:background var(--ease),color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);
}
.btn:active{transform:scale(.98);}
.btn-lime{background:var(--brand-lime);color:var(--brand-ink);box-shadow:0 6px 16px rgba(201,242,77,.35);}
.btn-lime:hover{background:#BDE441;color:var(--brand-ink);transform:translateY(-2px);}
.btn-outline-ink{background:transparent;border-color:var(--brand-ink);color:var(--brand-ink);}
.btn-outline-ink:hover{background:var(--brand-ink);color:#fff;transform:translateY(-2px);}
.btn-ghost-light{background:transparent;border-color:rgba(255,255,255,.5);color:#fff;}
.btn-ghost-light:hover{background:rgba(255,255,255,.12);border-color:#fff;}
.nav-cta{margin-left:6px;flex:0 0 auto;}

.anchor-bar{
  display:flex;
  gap:8px;
  margin-top:10px;
  overflow-x:auto;
  scrollbar-width:none;
  padding-bottom:2px;
}
.anchor-bar::-webkit-scrollbar{display:none;}
.anchor-pill{
  flex:0 0 auto;
  padding:7px 16px;
  border-radius:var(--radius-btn);
  background:var(--surface-1);
  border:1px solid var(--line);
  color:var(--text-muted);
  font-size:14px;
  transition:all var(--ease);
}
.anchor-pill:hover{color:var(--text-strong);border-color:#cfc9b8;}
.anchor-pill.active{background:var(--brand-lime);color:var(--brand-ink);border-color:var(--brand-lime);font-weight:600;}

/* ---------- Hero ---------- */
.hero-compact{
  padding:36px 0 20px;
  min-height:300px;
  display:flex;
  align-items:center;
}
.breadcrumb-line ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-muted);margin-bottom:18px;}
.breadcrumb-line li{display:flex;align-items:center;gap:8px;}
.breadcrumb-line li+li::before{content:"/";color:#BBB5A6;}
.breadcrumb-line a{color:var(--text-muted);}
.breadcrumb-line a:hover{color:var(--brand-ink);}
.breadcrumb-line li[aria-current]{color:var(--text-strong);}

.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:44px;align-items:center;}
.hero-copy h1{font-size:40px;line-height:1.25;margin-bottom:16px;}
.hero-copy h1 .brand-part{color:var(--brand-ink);}
.hero-sub{font-size:17px;color:var(--text-muted);margin-bottom:26px;max-width:520px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:22px;}
.trust-row{display:flex;flex-wrap:wrap;gap:26px;padding-top:20px;border-top:1px solid var(--line);}
.trust-item{min-width:96px;}
.trust-item .num{display:block;font-size:26px;font-weight:700;color:var(--brand-ink);line-height:1.2;}
.trust-item span:last-child{font-size:13px;color:var(--text-muted);}

.hero-media{position:relative;}
.hero-media img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
  border-radius:var(--radius-img);
  box-shadow:var(--shadow-sm);
}
.hero-media::after{
  content:"";
  position:absolute;inset:auto -10px -10px auto;
  width:110px;height:110px;
  border:2px solid rgba(201,242,77,.55);
  border-radius:50%;
  z-index:-1;
}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:720px;margin-bottom:38px;}
.section-tag{
  display:inline-block;
  font-size:12px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--brand-ink);
  background:var(--brand-lime);
  border-radius:6px;
  padding:4px 10px;
  margin-bottom:12px;
}
.section-head h2{font-size:32px;margin-bottom:16px;}
.section-head p{color:var(--text-muted);font-size:16px;}

/* ---------- 双栏布局 ---------- */
.layout{display:grid;grid-template-columns:264px 1fr;gap:36px;align-items:start;}

.side-nav{
  position:sticky;
  top:148px;
  background:var(--surface-1);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:22px 20px;
  box-shadow:var(--shadow-sm);
}
.side-nav h3{font-size:15px;color:var(--text-muted);font-weight:600;letter-spacing:.04em;margin-bottom:14px;}
.side-nav ul{display:flex;flex-direction:column;gap:4px;}
.side-nav a{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;
  border-radius:10px;
  font-size:15px;
  color:var(--text-strong);
  border-left:3px solid transparent;
}
.side-nav a i{font-size:12px;color:var(--text-muted);transition:color var(--ease);}
.side-nav a:hover{background:var(--surface-0);}
.side-nav a.active{background:rgba(201,242,77,.25);border-left:3px solid var(--brand-lime);color:var(--brand-ink);font-weight:600;}
.side-nav a.active i{color:var(--brand-ink);}
.side-nav .side-note{
  margin-top:18px;padding-top:16px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-muted);line-height:1.7;
}

/* ---------- 分组长卡 ---------- */
.group-card{
  background:var(--surface-1);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px 28px;
  box-shadow:var(--shadow-sm);
  margin-bottom:22px;
  transition:box-shadow var(--ease),border-color var(--ease),transform var(--ease);
  scroll-margin-top:150px;
}
.group-card:hover{border-color:var(--brand-lime);box-shadow:var(--shadow-hover);}
.group-card-head{display:flex;align-items:flex-start;gap:14px;margin-bottom:6px;}
.group-index{
  font-size:13px;font-weight:700;color:var(--brand-ink);
  background:var(--brand-lime);border-radius:6px;
  padding:4px 9px;line-height:1.4;font-variant-numeric:tabular-nums;
  flex:0 0 auto;
}
.group-card-head h3{font-size:22px;}
.group-desc{color:var(--text-muted);font-size:15px;margin-top:10px;}

.row-list{margin-top:18px;}
.row-item{
  display:flex;align-items:flex-start;gap:18px;
  padding:18px 0;
  border-top:1px solid var(--line);
  transition:background var(--ease);
}
.row-item:first-child{border-top:1px solid var(--line);}
.row-item h4{font-size:17px;margin-bottom:6px;}
.row-item p{font-size:15px;color:var(--text-muted);max-width:640px;}
.row-link{
  margin-left:auto;flex:0 0 auto;
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--brand-ink);white-space:nowrap;
  padding-top:2px;
}
.row-link i{font-size:12px;transition:transform var(--ease);}
.row-item:hover .row-link i{transform:translateX(4px);}
.row-item:hover h4{color:var(--brand-ink);}

/* ---------- 图文交替 ---------- */
.media-row{display:grid;grid-template-columns:1fr 1fr;gap:46px;align-items:center;margin-bottom:64px;}
.media-row:last-child{margin-bottom:0;}
.media-row.reverse .media-copy{order:2;}
.media-row.reverse .media-figure{order:1;}
.media-figure img{
  width:100%;aspect-ratio:16/9;object-fit:cover;
  border-radius:var(--radius-img);
  box-shadow:var(--shadow-sm);
}
.media-copy h3{font-size:24px;margin-bottom:14px;}
.media-copy p{color:var(--text-muted);font-size:16px;margin-bottom:16px;}
.point-list{display:flex;flex-direction:column;gap:10px;margin-bottom:20px;}
.point-list li{display:flex;gap:10px;font-size:15px;color:var(--text-strong);}
.point-list i{color:var(--brand-ink);font-size:14px;margin-top:7px;}
.text-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:15px;font-weight:600;color:var(--brand-ink);
  border-bottom:2px solid var(--brand-lime);
  padding-bottom:2px;
}
.text-link i{font-size:12px;transition:transform var(--ease);}
.text-link:hover i{transform:translateX(4px);}

/* ---------- 深色数据区 ---------- */
.proof{
  position:relative;
  background:var(--brand-ink);
  border-radius:24px;
  padding:56px 44px;
  color:#fff;
  overflow:hidden;
}
.proof::before{
  content:"";
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  opacity:.16;
}
.proof > *{position:relative;}
.proof .section-tag{background:var(--brand-lime);}
.proof h2{color:#fff;font-size:30px;margin-bottom:12px;}
.proof .section-head p{color:rgba(255,255,255,.72);}
.proof-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:20px;margin-top:8px;}
.proof-card{
  border:1px solid rgba(255,255,255,.10);
  border-radius:var(--radius-card);
  padding:26px 24px;
  background:rgba(255,255,255,.03);
  transition:border-color var(--ease),transform var(--ease);
}
.proof-card:hover{border-color:rgba(201,242,77,.6);transform:translateY(-3px);}
.proof-card .num{display:block;font-size:40px;font-weight:700;color:var(--brand-lime);line-height:1.15;}
.proof-card h3{color:#fff;font-size:17px;margin:10px 0 8px;}
.proof-card p{color:rgba(255,255,255,.72);font-size:14px;}
.proof-source{display:inline-block;margin-top:12px;font-size:12px;color:rgba(255,255,255,.5);border-top:1px solid rgba(255,255,255,.12);padding-top:8px;}

/* ---------- 内嵌 CTA ---------- */
.inline-cta{
  background:var(--brand-ink);
  border-radius:24px;
  padding:44px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  color:#fff;
}
.inline-cta h2{color:#fff;font-size:26px;margin-bottom:10px;}
.inline-cta p{color:rgba(255,255,255,.75);font-size:15px;max-width:520px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:880px;}
.accordion-item{
  background:var(--surface-1);
  border:1px solid var(--line);
  border-radius:16px;
  margin-bottom:12px;
  overflow:hidden;
}
.accordion-button{
  display:flex;align-items:center;gap:14px;
  width:100%;
  padding:18px 22px;
  min-height:60px;
  font-size:16.5px;font-weight:600;
  color:var(--text-strong);
  background:var(--surface-1);
  border:none;cursor:pointer;
  position:relative;
  transition:background var(--ease),color var(--ease);
}
.accordion-button::before{
  content:"";
  width:3px;height:20px;border-radius:2px;
  background:var(--line);
  flex:0 0 auto;
  transition:background var(--ease);
}
.accordion-button:not(.collapsed)::before{background:var(--brand-lime);}
.accordion-button:not(.collapsed){color:var(--brand-ink);background:var(--surface-1);box-shadow:none;}
.accordion-button:focus{box-shadow:none;outline:2px solid var(--brand-lime);outline-offset:-2px;}
.accordion-button::after{
  content:"\f067";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  font-size:13px;
  color:var(--brand-ink);
  background-image:none;
  width:auto;height:auto;
  margin-left:auto;
  transition:transform var(--ease);
}
.accordion-button:not(.collapsed)::after{transform:rotate(45deg);color:var(--brand-flame);}
.accordion-body{
  padding:0 22px 22px 39px;
  font-size:15.5px;line-height:1.8;color:var(--text-muted);
  background:var(--surface-1);
}

/* ---------- 订阅提醒区 ---------- */
.subscribe-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;}
.sub-card{
  background:var(--surface-1);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px 24px;
  box-shadow:var(--shadow-sm);
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.sub-card:hover{transform:translateY(-3px);border-color:var(--brand-lime);box-shadow:var(--shadow-hover);}
.sub-card .icon-badge{
  width:44px;height:44px;border-radius:14px;
  background:var(--surface-0);color:var(--brand-ink);
  display:grid;place-items:center;font-size:18px;margin-bottom:16px;
}
.sub-card h3{font-size:18px;margin-bottom:10px;}
.sub-card p{font-size:14.5px;color:var(--text-muted);}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--brand-ink);
  color:rgba(255,255,255,.72);
  padding:64px 0 28px;
  margin-top:20px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.08);}
.footer-name{font-size:17px;font-weight:700;color:#fff;}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.66);}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:16px;font-weight:700;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66);}
.footer-col a:hover{color:var(--brand-lime);}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.66);}
.footer-contact i{color:var(--brand-lime);font-size:13px;margin-top:6px;}
.footer-bottom{
  margin-top:44px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;
  right:24px;bottom:28px;
  z-index:1020;
  display:inline-flex;align-items:center;gap:8px;
  padding:13px 24px;
  border-radius:var(--radius-btn);
  background:var(--brand-lime);
  color:var(--brand-ink);
  font-weight:700;font-size:15px;
  box-shadow:0 10px 26px rgba(11,31,26,.22);
  opacity:0;transform:translateY(14px);
  pointer-events:none;
  transition:opacity 200ms ease-out,transform 200ms ease-out;
}
.float-cta.is-visible{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-cta:hover{background:#BDE441;}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .layout{grid-template-columns:1fr;gap:24px;}
  .side-nav{position:static;display:block;padding:16px;}
  .side-nav ul{flex-direction:row;overflow-x:auto;gap:8px;scrollbar-width:none;}
  .side-nav ul::-webkit-scrollbar{display:none;}
  .side-nav a{white-space:nowrap;border-left:none;border-bottom:3px solid transparent;border-radius:10px;background:var(--surface-0);}
  .side-nav a.active{border-left:none;border-bottom:3px solid var(--brand-lime);}
  .side-nav .side-note{display:none;}
}

@media (max-width:991px){
  .nav-toggle{display:grid;place-items:center;}
  .nav-cta{display:none;}
  .nav-entries{
    position:absolute;
    left:16px;right:16px;top:calc(100% - 4px);
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:8px;
    background:var(--surface-1);
    border:1px solid var(--line);
    border-radius:var(--radius-card);
    padding:16px;
    box-shadow:0 18px 40px rgba(11,31,26,.14);
    margin-left:0;
  }
  .nav-entries.open{display:flex;}
  .nav-pill{justify-content:flex-start;}
  .nav-drawer-cta{display:inline-flex;margin-top:6px;justify-content:center;}
  .nav-card{position:relative;}

  .hero-grid{grid-template-columns:1fr;gap:28px;}
  .hero-copy h1{font-size:32px;}
  .hero-media{order:-1;}
  .hero-media::after{display:none;}

  .section{padding:64px 0;}
  .section-head h2{font-size:27px;}
  .media-row{grid-template-columns:1fr;gap:24px;margin-bottom:48px;}
  .media-row.reverse .media-copy,
  .media-row.reverse .media-figure{order:0;}
  .proof{padding:40px 24px;border-radius:20px;}
  .proof-grid{grid-template-columns:1fr;}
  .inline-cta{padding:32px 24px;}
  .subscribe-grid{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
}

@media (max-width:575px){
  .hero-copy h1{font-size:28px;}
  .hero-sub{font-size:15.5px;}
  .trust-row{gap:18px;}
  .trust-item .num{font-size:22px;}
  .group-card{padding:20px 18px;}
  .row-item{flex-wrap:wrap;gap:10px;}
  .row-link{margin-left:0;padding-top:0;}
  .subscribe-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:6px;}
  .float-cta{left:16px;right:16px;bottom:16px;justify-content:center;}
  .accordion-button{font-size:15.5px;padding:16px 16px;}
  .accordion-body{padding:0 16px 18px 33px;}
}

/* roulang page: category2 */
:root{
  --brand-ink:#0E2A22;
  --brand-ink-soft:#153A2E;
  --brand-lime:#C9F24D;
  --brand-lime-deep:#B6DF33;
  --brand-flame:#FF5A2B;
  --surface-0:#F6F5F0;
  --surface-1:#FFFFFF;
  --surface-2:#EFEDE5;
  --line:#E4E0D6;
  --text-strong:#0B1F1A;
  --text-muted:#5B6660;
  --radius-card:18px;
  --radius-img:20px;
  --radius-input:12px;
  --shadow-1:0 1px 2px rgba(11,31,26,.06),0 8px 24px rgba(11,31,26,.06);
  --shadow-2:0 4px 8px rgba(11,31,26,.08),0 18px 40px rgba(11,31,26,.10);
  --ease:200ms ease-out;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;scroll-padding-top:152px}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  background:var(--surface-0);
  color:var(--text-strong);
  font-size:16px;
  line-height:1.8;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{font-weight:700;letter-spacing:-.01em;line-height:1.3;color:var(--text-strong);margin:0}
p{margin:0}
a{color:inherit;text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease)}
img{max-width:100%;display:block}
ul{margin:0;padding:0;list-style:none}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--brand-lime);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
@media (min-width:1400px){.container{max-width:1320px}}
@media (max-width:575.98px){.container{padding-left:16px;padding-right:16px}}

/* ---------- 头部 ---------- */
.site-header{position:sticky;top:0;z-index:1030;padding-top:16px}
.site-header.scrolled .nav-card{padding-top:8px;padding-bottom:8px;box-shadow:var(--shadow-2)}
.nav-card{
  display:flex;align-items:center;gap:14px;
  background:var(--surface-1);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:12px 16px;
  box-shadow:var(--shadow-1);
  transition:padding var(--ease),box-shadow var(--ease);
}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:var(--brand-ink);color:var(--brand-lime);
  display:grid;place-items:center;font-size:16px;flex:0 0 auto;
}
.brand-text{font-size:17px;font-weight:700;color:var(--brand-ink);letter-spacing:-.01em;white-space:nowrap}
.nav-entries{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 14px;border-radius:14px;
  font-size:14px;color:var(--text-muted);
  border:1px solid transparent;white-space:nowrap;
}
.nav-pill i{width:20px;text-align:center;font-size:15px;color:var(--text-muted);transition:color var(--ease)}
.nav-pill:hover{background:var(--surface-2);color:var(--brand-ink)}
.nav-pill:hover i{color:var(--brand-ink)}
.nav-pill.active{
  background:rgba(201,242,77,.22);
  color:var(--brand-ink);
  font-weight:600;
  border-color:rgba(201,242,77,.65);
  box-shadow:inset 0 -3px 0 var(--brand-lime);
}
.nav-pill.active i{color:var(--brand-ink)}
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:999px;font-weight:600;border:1px solid transparent;transition:all var(--ease);text-decoration:none;cursor:pointer;font-size:15px}
.btn-lime{background:var(--brand-lime);color:var(--brand-ink);padding:12px 22px;box-shadow:0 6px 16px rgba(201,242,77,.28)}
.btn-lime:hover{background:var(--brand-lime-deep);color:var(--brand-ink);transform:translateY(-1px);box-shadow:0 10px 22px rgba(201,242,77,.34)}
.btn-lime:active{transform:scale(.98)}
.btn-ghost{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.55);padding:12px 22px}
.btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff;color:#fff}
.btn-ink{background:transparent;color:var(--brand-ink);border:1px solid var(--brand-ink);padding:12px 22px}
.btn-ink:hover{background:var(--brand-ink);color:#fff}
.nav-cta{flex:0 0 auto}
.nav-drawer-cta{display:none}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:var(--surface-1);border:1px solid var(--line);
  color:var(--brand-ink);font-size:18px;align-items:center;justify-content:center;margin-left:auto;
}
.anchor-bar{display:flex;gap:8px;overflow-x:auto;padding:10px 0 2px;scrollbar-width:none}
.anchor-bar::-webkit-scrollbar{display:none}
.anchor-pill{
  flex:0 0 auto;padding:8px 16px;border-radius:999px;
  border:1px solid var(--line);background:var(--surface-1);
  color:var(--text-muted);font-size:14px;white-space:nowrap;
}
.anchor-pill:hover{background:var(--surface-2);color:var(--brand-ink);border-color:#D8D3C6}
.anchor-pill.active{background:var(--brand-lime);color:var(--brand-ink);border-color:var(--brand-lime);font-weight:600}

/* ---------- 通栏大图 Hero ---------- */
.hero-banner{
  position:relative;
  margin-top:24px;
  border-radius:24px;
  overflow:hidden;
  min-height:520px;
  display:flex;
  align-items:flex-end;
  background-image:linear-gradient(90deg,rgba(14,42,34,.80) 0%,rgba(14,42,34,.66) 50%,rgba(14,42,34,.58) 100%),url(/assets/images/backpic/back-1.webp);
  background-size:cover;
  background-position:center;
  border:1px solid rgba(255,255,255,.08);
}
.hero-inner{position:relative;z-index:2;padding:64px 56px;max-width:780px;color:#fff}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:6px;
  background:rgba(201,242,77,.18);color:var(--brand-lime);
  font-size:12px;font-weight:600;letter-spacing:.04em;
  border:1px solid rgba(201,242,77,.45);margin-bottom:20px;
}
.hero-banner h1{font-size:44px;line-height:1.25;color:#fff;margin-bottom:18px}
.hero-sub{font-size:18px;color:#E8EFE9;margin-bottom:14px;font-weight:600}
.hero-desc{font-size:16px;color:rgba(255,255,255,.82);max-width:620px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}

/* ---------- 通用板块 ---------- */
.section{padding:96px 0}
.section-tight{padding-top:64px}
@media (max-width:767.98px){.section{padding:56px 0}.section-tight{padding-top:40px}}
.section-head{max-width:740px;margin-bottom:40px}
.section-head h2{font-size:32px;margin-bottom:16px}
.section-head p{color:var(--text-muted);font-size:17px}
@media (max-width:767.98px){
  .section-head h2{font-size:26px}
  .section-head p{font-size:15.5px}
}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--brand-ink);background:rgba(201,242,77,.5);
  border-radius:6px;padding:4px 10px;margin-bottom:14px;
}

/* ---------- 深色数据条 ---------- */
.stat-strip{
  background:var(--brand-ink);
  border:1px solid rgba(255,255,255,.10);
  border-radius:24px;
  padding:34px 32px;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  margin-top:-56px;
  position:relative;
  z-index:5;
}
.stat-item{border-left:2px solid rgba(201,242,77,.35);padding-left:18px}
.stat-num{
  font-size:38px;font-weight:700;color:var(--brand-lime);
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;line-height:1.1;
}
.stat-num small{font-size:15px;font-weight:600;margin-left:4px}
.stat-label{font-size:14px;color:rgba(255,255,255,.72);margin-top:8px}
@media (max-width:991.98px){
  .stat-strip{grid-template-columns:repeat(2,1fr);margin-top:32px;padding:26px 22px;gap:20px}
  .stat-num{font-size:30px}
}
@media (max-width:575.98px){
  .stat-strip{grid-template-columns:1fr;margin-top:28px}
}

/* ---------- 分组行卡（不等高两列） ---------- */
.group-grid{display:grid;grid-template-columns:1fr 1fr;gap:24px;align-items:start}
.group-col{display:flex;flex-direction:column;gap:24px}
.group-col-offset{padding-top:36px}
.row-card{
  position:relative;
  background:var(--surface-1);
  border:1px solid var(--line);
  border-radius:var(--radius-card);
  padding:26px 26px 24px;
  box-shadow:var(--shadow-1);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.row-card:hover{transform:translateY(-3px);box-shadow:var(--shadow-2);border-color:var(--brand-lime)}
.row-head{display:flex;align-items:baseline;gap:14px;margin-bottom:12px}
.row-index{
  font-size:13px;font-weight:700;color:var(--brand-ink);
  background:var(--brand-lime);border-radius:6px;
  padding:2px 8px;font-variant-numeric:tabular-nums;letter-spacing:.06em;flex:0 0 auto;
}
.row-card h3{font-size:22px;margin:0}
.row-card p{color:var(--text-muted);font-size:15.5px;margin-bottom:16px}
.row-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px}
.tag{
  font-size:12px;color:var(--brand-ink);background:var(--surface-2);
  border:1px solid var(--line);border-radius:6px;padding:4px 10px;
}
.text-link{
  display:inline-flex;align-items:center;gap:8px;
  font-size:14.5px;font-weight:600;color:var(--brand-ink);
  border-bottom:1px solid rgba(14,42,34,.25);padding-bottom:2px;
}
.text-link i{transition:transform var(--ease);font-size:12px}
.text-link:hover{color:var(--brand-ink);border-bottom-color:var(--brand-lime)}
.text-link:hover i{transform:translateX(4px)}
@media (max-width:991.98px){
  .group-grid{grid-template-columns:1fr}
  .group-col-offset{padding-top:0}
}

/* ---------- 内嵌 CTA 条 ---------- */
.inline-cta{
  background:var(--brand-ink);
  border:1px solid rgba(255,255,255,.10);
  border-radius:24px;
  padding:48px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  color:#fff;
}
.inline-cta h3{color:#fff;font-size:26px;margin-bottom:10px}
.inline-cta p{color:rgba(255,255,255,.78);font-size:15.5px;max-width:560px}
.inline-cta-actions{display:flex;gap:14px;flex:0 0 auto;flex-wrap:wrap}
@media (max-width:991.98px){
  .inline-cta{flex-direction:column;align-items:flex-start;padding:34px 26px;gap:22px}
  .inline-cta h3{font-size:22px}
}

/* ---------- 图文块 ---------- */
.media-block{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;margin-bottom:72px}
.media-block:last-child{margin-bottom:0}
.media-block.reverse .media-figure{order:2}
.media-block.reverse .media-text{order:1}
.media-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-img);border:1px solid var(--line)}
.media-text h3{font-size:24px;margin-bottom:16px}
.media-text p{color:var(--text-muted);font-size:16px;margin-bottom:18px}
.check-list{margin-bottom:22px}
.check-list li{display:flex;gap:10px;align-items:flex-start;font-size:15.5px;color:var(--text-strong);padding:6px 0}
.check-list i{color:var(--brand-ink);background:var(--brand-lime);border-radius:50%;width:18px;height:18px;font-size:9px;display:grid;place-items:center;flex:0 0 auto;margin-top:6px}
@media (max-width:991.98px){
  .media-block{grid-template-columns:1fr;gap:24px;margin-bottom:56px}
  .media-block.reverse .media-figure{order:1}
  .media-block.reverse .media-text{order:2}
}

/* ---------- 深色证据区 ---------- */
.section-ink{background:var(--brand-ink);color:#fff}
.section-ink .section-head h2{color:#fff}
.section-ink .section-head p{color:rgba(255,255,255,.72)}
.section-ink .eyebrow{background:rgba(201,242,77,.22);color:var(--brand-lime)}
.proof-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:20px}
.data-card{
  background:rgba(255,255,255,.04);
  border:1px solid rgba(255,255,255,.10);
  border-radius:var(--radius-card);
  padding:28px;
  transition:background-color var(--ease),border-color var(--ease);
}
.data-card:hover{background:rgba(255,255,255,.07);border-color:rgba(201,242,77,.5)}
.data-card-lg{grid-row:span 2;display:flex;flex-direction:column;justify-content:center}
.data-label{
  display:inline-block;font-size:12px;letter-spacing:.08em;font-weight:600;
  color:var(--brand-lime);border:1px solid rgba(201,242,77,.45);
  border-radius:6px;padding:3px 10px;margin-bottom:16px;
}
.data-num{
  font-size:52px;font-weight:700;color:var(--brand-lime);
  font-variant-numeric:tabular-nums;line-height:1.05;letter-spacing:-.02em;margin-bottom:12px;
}
.data-num small{font-size:17px;font-weight:600;margin-left:6px}
.data-card h3{color:#fff;font-size:19px;margin-bottom:10px}
.data-note{font-size:13.5px;color:rgba(255,255,255,.62)}
@media (max-width:991.98px){
  .proof-grid{grid-template-columns:1fr}
  .data-card-lg{grid-row:auto}
  .data-num{font-size:40px}
}

/* ---------- 时间线 ---------- */
.timeline{position:relative;padding-left:34px;margin-top:8px}
.timeline::before{content:"";position:absolute;left:6px;top:10px;bottom:10px;width:2px;background:var(--line)}
.timeline-item{position:relative;padding-bottom:34px}
.timeline-item:last-child{padding-bottom:0}
.timeline-item::before{
  content:"";position:absolute;left:-34px;top:8px;width:14px;height:14px;border-radius:50%;
  background:var(--brand-lime);border:2px solid var(--surface-1);box-shadow:0 0 0 2px var(--line);
}
.timeline-time{
  display:inline-block;font-size:13px;font-weight:700;color:var(--brand-ink);
  background:rgba(201,242,77,.45);border-radius:6px;padding:3px 10px;margin-bottom:10px;
  font-variant-numeric:tabular-nums;
}
.timeline-item h3{font-size:19px;margin-bottom:8px}
.timeline-item p{color:var(--text-muted);font-size:15.5px;max-width:720px}

/* ---------- FAQ ---------- */
.faq-accordion .accordion-item{
  background:var(--surface-1);border:1px solid var(--line);border-radius:16px;
  margin-bottom:12px;overflow:hidden;box-shadow:none;
}
.faq-accordion .accordion-button{
  display:flex;align-items:center;min-height:60px;
  padding:18px 22px;font-size:16.5px;font-weight:600;color:var(--text-strong);
  background:var(--surface-1);box-shadow:none;border:none;
}
.faq-accordion .accordion-button::before{
  content:"";width:3px;height:20px;border-radius:2px;background:var(--line);
  margin-right:14px;flex:0 0 auto;transition:background-color var(--ease);
}
.faq-accordion .accordion-button:not(.collapsed){color:var(--brand-ink);background:var(--surface-1)}
.faq-accordion .accordion-button:not(.collapsed)::before{background:var(--brand-lime)}
.faq-accordion .accordion-button:focus{box-shadow:0 0 0 2px rgba(201,242,77,.55);border-radius:16px}
.faq-accordion .accordion-button::after{
  content:"";width:14px;height:14px;margin-left:auto;flex:0 0 auto;
  background-image:linear-gradient(currentColor,currentColor),linear-gradient(currentColor,currentColor);
  background-size:14px 2px,2px 14px;
  background-position:center,center;
  background-repeat:no-repeat;
  color:var(--brand-ink);
  transition:transform 220ms ease-out;
}
.faq-accordion .accordion-button:not(.collapsed)::after{
  transform:rotate(45deg);
  background-image:linear-gradient(currentColor,currentColor),linear-gradient(currentColor,currentColor);
}
.faq-accordion .accordion-body{padding:0 22px 22px 60px;color:var(--text-muted);font-size:15.5px;line-height:1.8}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--brand-ink);color:rgba(255,255,255,.72);padding:72px 0 28px;margin-top:96px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-name{font-size:17px;font-weight:700;color:#fff}
.footer-col p{font-size:14px;line-height:1.8;max-width:320px}
.footer-col h4{font-size:14px;color:#fff;margin-bottom:18px;letter-spacing:.02em}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;color:rgba(255,255,255,.72)}
.footer-col ul li a:hover{color:var(--brand-lime)}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;color:rgba(255,255,255,.72)}
.footer-contact i{color:var(--brand-lime);margin-top:6px;font-size:13px}
.footer-bottom{
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  font-size:12.5px;color:rgba(255,255,255,.55);
}
@media (max-width:991.98px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:575.98px){
  .footer-grid{grid-template-columns:1fr}
  .site-footer{padding:56px 0 24px;margin-top:64px}
}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:1020;
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity 200ms ease-out,transform 200ms ease-out,visibility 200ms;
}
.float-cta.show{opacity:1;visibility:visible;transform:translateY(0)}
.float-cta .btn{box-shadow:0 10px 26px rgba(11,31,26,.22);padding:14px 26px}
@media (max-width:575.98px){
  .float-cta{left:16px;right:16px;bottom:16px}
  .float-cta .btn{width:100%}
}

/* ---------- 移动端导航 ---------- */
@media (max-width:991.98px){
  .brand-text{font-size:15.5px;white-space:normal;line-height:1.2;max-width:170px}
  .nav-toggle{display:inline-flex}
  .nav-cta{display:none}
  .nav-entries{
    position:fixed;inset:0;margin:0;z-index:1050;
    display:none;flex-direction:column;align-items:stretch;gap:12px;
    background:var(--surface-0);padding:88px 20px 28px;overflow-y:auto;
  }
  .nav-entries.open{display:flex}
  .nav-pill{
    width:100%;padding:16px;font-size:16px;border-radius:16px;
    background:var(--surface-1);border:1px solid var(--line);justify-content:flex-start;
  }
  .nav-pill i{font-size:16px}
  .nav-pill.active{box-shadow:inset 3px 0 0 var(--brand-lime)}
  .nav-drawer-cta{display:inline-flex !important;width:100%;margin-top:auto;padding:16px}
}
@media (max-width:767.98px){
  .hero-banner{min-height:440px;border-radius:20px;margin-top:18px}
  .hero-inner{padding:36px 24px}
  .hero-banner h1{font-size:29px}
  .hero-sub{font-size:16px}
  .hero-desc{font-size:15px}
  .hero-actions .btn{width:100%}
}