/* roulang page: index */
:root{
  --primary:#123C32;
  --primary-dark:#0B2A23;
  --primary-light:#1C5445;
  --lime:#C9F26B;
  --lime-soft:#EAF7CB;
  --orange:#FF7A45;
  --orange-soft:#FFE7DC;
  --bg:#F7F4EC;
  --card:#FFFFFF;
  --text:#12201C;
  --muted:#5E6B66;
  --line:#E3DFD4;
  --dark:#0C1F1A;
  --success:#2E7D5B;
  --warning:#C77700;
  --error:#D64545;
  --radius-xs:10px;
  --radius-s:12px;
  --radius:18px;
  --radius-l:24px;
  --shadow-s:0 6px 18px rgba(12,31,26,.06);
  --shadow:0 12px 32px rgba(12,31,26,.08);
  --shadow-l:0 16px 40px rgba(12,31,26,.14);
  --container:1280px;
  --gap:28px;
  --section:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .18s ease,border-color .18s ease,background-color .18s ease;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
:focus-visible{outline:3px solid var(--lime);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.04em;font-weight:500;
  color:var(--primary);background:var(--lime-soft);
  padding:6px 14px;border-radius:999px;
}
.nums{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";letter-spacing:-.01em;}

/* 顶部信息条 */
.topbar{background:var(--primary-dark);color:#EFEAD9;font-size:13px;line-height:1;}
.topbar .container{display:flex;align-items:center;justify-content:space-between;min-height:36px;gap:16px;}
.topbar-left{display:flex;align-items:center;gap:8px;white-space:nowrap;}
.topbar-dot{width:6px;height:6px;border-radius:50%;background:var(--lime);display:inline-block;}
.topbar-right{display:flex;align-items:center;gap:20px;white-space:nowrap;}
.topbar-right a{color:#EFEAD9;opacity:.85;}
.topbar-right a:hover{color:var(--lime);opacity:1;}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(180%) blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-s);}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;min-height:72px;}
.brand{display:flex;align-items:center;gap:10px;font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--primary);}
.brand-mark{
  width:34px;height:34px;border-radius:10px;
  background:linear-gradient(150deg,var(--primary) 0%,var(--primary-light) 100%);
  display:flex;align-items:center;justify-content:center;
  color:var(--lime);font-size:15px;font-weight:700;flex:none;
}
.nav-menu{display:flex;align-items:center;gap:6px;}
.nav-menu a{
  position:relative;display:inline-block;
  padding:10px 14px;font-size:15px;font-weight:500;color:var(--text);
  border-radius:10px;
}
.nav-menu a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--primary);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .18s ease;
}
.nav-menu a:hover{color:var(--primary);}
.nav-menu a:hover::after{transform:scaleX(1);}
.nav-menu a.active{color:var(--primary);font-weight:700;}
.nav-menu a.active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);align-items:center;justify-content:center;background:#fff;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--primary);position:relative;}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--primary);}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 22px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;
  border:1px solid transparent;white-space:nowrap;
  transition:transform .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease,border-color .18s ease;
}
.btn-primary{background:var(--primary);color:#FBF9F2;box-shadow:var(--shadow-s);}
.btn-primary:hover{background:var(--primary-light);transform:translateY(-1px);box-shadow:var(--shadow);}
.btn-primary:active{transform:translateY(0);box-shadow:var(--shadow-s);}
.btn-lime{background:var(--lime);color:var(--primary-dark);}
.btn-lime:hover{background:#D9F88C;transform:translateY(-1px);box-shadow:var(--shadow);}
.btn-lime:active{transform:translateY(0);}
.btn-ghost{background:transparent;border-color:var(--primary);color:var(--primary);}
.btn-ghost:hover{background:var(--lime-soft);transform:translateY(-1px);}
.btn-block{width:100%;}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}
.btn-sm{min-height:40px;padding:0 18px;font-size:14px;}

/* Hero */
.hero{
  position:relative;overflow:hidden;
  padding:72px 0 84px;
  background:
    radial-gradient(900px 420px at 88% -10%,rgba(201,242,107,.28) 0%,rgba(201,242,107,0) 62%),
    linear-gradient(180deg,#FFFFFF 0%,var(--bg) 100%);
}
.hero::after{
  content:"";position:absolute;left:-140px;bottom:-180px;width:520px;height:520px;border-radius:50%;
  border:1px solid rgba(18,60,50,.08);
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;min-height:560px;}
.hero h1{
  margin-top:20px;
  font-size:clamp(36px,5vw,62px);
  line-height:1.15;font-weight:800;letter-spacing:-.02em;color:var(--primary-dark);
}
.hero-lead{margin-top:22px;font-size:18px;line-height:1.85;color:var(--muted);max-width:620px;}
.hero-actions{margin-top:32px;display:flex;flex-wrap:wrap;gap:14px;}
.hero-badges{margin-top:26px;display:flex;flex-wrap:wrap;gap:10px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;
  font-size:13px;font-weight:500;line-height:1.6;
  background:var(--lime-soft);color:var(--primary);
}
.badge-orange{background:var(--orange-soft);color:#B4451A;}
.badge-line{background:#fff;border:1px solid var(--line);color:var(--muted);}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;height:440px;object-fit:cover;
  border-radius:var(--radius-l);box-shadow:var(--shadow);
}
.login-card{
  position:absolute;left:-32px;bottom:-32px;width:310px;
  background:#fff;border-radius:20px;box-shadow:var(--shadow-l);
  padding:24px;border:1px solid var(--line);
}
.login-card h3{font-size:17px;font-weight:700;color:var(--primary-dark);}
.login-card p.hint{font-size:13px;color:var(--muted);margin-top:6px;line-height:1.7;}
.field{margin-top:14px;}
.field label{display:block;font-size:13px;color:var(--muted);margin-bottom:6px;}
.field input{
  width:100%;height:48px;padding:0 14px;border-radius:12px;
  border:1px solid var(--line);background:#FCFBF7;font-size:15px;
  transition:border-color .18s ease,box-shadow .18s ease,background-color .18s ease;
}
.field input::placeholder{color:#A9B2AE;}
.field input:focus{outline:none;border-color:var(--primary);background:#fff;box-shadow:0 0 0 3px rgba(201,242,107,.55);}
.field input.is-error{border-color:var(--error);box-shadow:0 0 0 3px rgba(214,69,69,.16);}
.field-error{display:none;margin-top:6px;font-size:12px;color:var(--error);}
.field-error.show{display:block;}
.login-card .btn{margin-top:16px;}
.login-links{margin-top:14px;display:flex;justify-content:space-between;font-size:13px;color:var(--muted);}
.login-links a:hover{color:var(--primary);}
.safe-note{
  margin-top:16px;padding-top:14px;border-top:1px dashed var(--line);
  font-size:12px;line-height:1.7;color:var(--muted);display:flex;gap:8px;
}
.safe-note b{color:var(--success);font-weight:600;}

/* 数据条 */
.stats{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);}
.stat{padding:32px 24px;border-right:1px solid var(--line);}
.stat:last-child{border-right:0;}
.stat .num{font-size:36px;font-weight:800;color:var(--primary);line-height:1.1;}
.stat .num small{font-size:16px;font-weight:600;margin-left:4px;}
.stat .label{margin-top:8px;font-size:13px;color:var(--muted);}

/* 板块通用 */
.section{padding:var(--section) 0;}
.section-alt{background:#fff;}
.section-head{max-width:760px;}
.section-head h2{
  margin-top:16px;
  font-size:clamp(28px,3.4vw,40px);line-height:1.25;font-weight:800;
  letter-spacing:-.02em;color:var(--primary-dark);
}
.section-head p{margin-top:16px;font-size:17px;line-height:1.85;color:var(--muted);}
.section-head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;}
.link-more{font-size:15px;font-weight:600;color:var(--primary);border-bottom:1px solid rgba(18,60,50,.28);padding-bottom:2px;}
.link-more:hover{color:var(--primary-light);border-color:var(--primary-light);}

/* 功能分组 */
.feature-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--gap);margin-top:48px;}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px;transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.card:hover{border-color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow);}
.card:hover h3{color:var(--primary);}
.card h3{font-size:22px;font-weight:700;color:var(--primary-dark);line-height:1.4;transition:color .2s ease;}
.card p{margin-top:12px;font-size:15px;line-height:1.85;color:var(--muted);}
.card-icon{
  width:48px;height:48px;border-radius:14px;background:var(--lime-soft);
  display:flex;align-items:center;justify-content:center;font-size:20px;color:var(--primary);
  margin-bottom:20px;
}
.point-list{margin-top:18px;display:grid;gap:10px;}
.point-list li{position:relative;padding-left:18px;font-size:14px;color:var(--muted);line-height:1.8;}
.point-list li::before{
  content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:2px;
  background:var(--lime);border:1px solid var(--primary);
}
.card-wide{grid-column:1 / -1;display:grid;grid-template-columns:1.05fr .95fr;gap:36px;align-items:center;padding:36px;}
.card-wide img{width:100%;height:280px;object-fit:cover;border-radius:var(--radius);}
.tag{
  display:inline-block;padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1.8;
  background:var(--lime-soft);color:var(--primary);
}
.tag-orange{background:var(--orange-soft);color:#B4451A;}
.tag-gray{background:#F1EFE7;color:var(--muted);}

/* 图文交替 */
.split{display:grid;grid-template-columns:6fr 6fr;gap:56px;align-items:center;margin-top:56px;}
.split:first-of-type{margin-top:48px;}
.split.reverse .split-media{order:2;}
.split-media img{width:100%;height:380px;object-fit:cover;border-radius:20px;box-shadow:var(--shadow-s);}
.split-body h3{font-size:clamp(22px,2.4vw,28px);font-weight:700;color:var(--primary-dark);line-height:1.35;}
.split-body p{margin-top:16px;font-size:16px;line-height:1.85;color:var(--muted);}
.split-body .btn{margin-top:26px;}

/* 案例 */
.case-layout{display:grid;grid-template-columns:1.25fr .75fr;gap:var(--gap);margin-top:48px;}
.case-main{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;
  transition:box-shadow .2s ease,transform .2s ease;
}
.case-main:hover{box-shadow:var(--shadow-l);transform:translateY(-2px);}
.case-main img{width:100%;height:280px;object-fit:cover;}
.case-main .case-body{padding:30px;}
.case-main h3{font-size:22px;font-weight:700;color:var(--primary-dark);}
.case-main .case-body p{margin-top:12px;font-size:15px;line-height:1.85;color:var(--muted);}
.case-metrics{display:flex;gap:28px;margin-top:22px;flex-wrap:wrap;}
.case-metrics .metric .num{font-size:28px;font-weight:800;color:var(--primary);line-height:1.1;}
.case-metrics .metric .label{margin-top:4px;font-size:13px;color:var(--muted);}
.case-side{display:grid;gap:var(--gap);}
.case-mini{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:22px;display:flex;gap:16px;align-items:flex-start;
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.case-mini:hover{border-color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow);}
.case-mini .thumb{width:56px;height:56px;border-radius:14px;object-fit:cover;flex:none;}
.case-mini h4{font-size:16px;font-weight:700;color:var(--primary-dark);line-height:1.5;}
.case-mini p{margin-top:8px;font-size:14px;line-height:1.75;color:var(--muted);}

/* 服务方案 */
.plan-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);margin-top:48px;align-items:stretch;}
.plan{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:32px;display:flex;flex-direction:column;
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.plan:hover{border-color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow);}
.plan.featured{
  border-color:var(--primary);box-shadow:var(--shadow);
  background:linear-gradient(180deg,#FFFFFF 0%,#FBFDF3 100%);
}
.plan.featured:hover{box-shadow:var(--shadow-l);}
.plan .plan-tag{
  position:absolute;top:-14px;left:32px;
  background:var(--lime);color:var(--primary-dark);
  font-size:12px;font-weight:700;padding:5px 14px;border-radius:999px;
}
.plan h3{font-size:20px;font-weight:700;color:var(--primary-dark);}
.plan .for{margin-top:8px;font-size:14px;color:var(--muted);}
.plan .price{margin-top:22px;font-size:26px;font-weight:800;color:var(--primary);}
.plan .price small{font-size:13px;font-weight:500;color:var(--muted);margin-left:6px;}
.plan .point-list{margin-top:22px;flex:1;}
.plan .btn{margin-top:26px;}

/* 最新信息 */
.news-wrap{margin-top:48px;}
.news-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:var(--gap);}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  overflow:hidden;display:flex;flex-direction:column;
  transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.news-card:hover{border-color:var(--primary);transform:translateY(-2px);box-shadow:var(--shadow);}
.news-card:hover h3{color:var(--primary);}
.news-card-media{display:block;overflow:hidden;}
.news-card-media img{width:100%;height:200px;object-fit:cover;transition:transform .35s ease;}
.news-card:hover .news-card-media img{transform:scale(1.03);}
.news-card-body{padding:24px;display:flex;flex-direction:column;gap:12px;flex:1;}
.news-card h3{font-size:19px;font-weight:700;color:var(--primary-dark);line-height:1.45;transition:color .2s ease;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-card p{font-size:14px;line-height:1.75;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--muted);margin-top:auto;}
.news-card.lead h3{font-size:22px;}
.news-card.lead .news-card-media img{height:280px;}
.news-list{margin-top:var(--gap);background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;}
.news-row{
  display:flex;align-items:center;gap:20px;padding:20px 26px;
  border-bottom:1px solid var(--line);transition:background-color .18s ease;
}
.news-row:last-child{border-bottom:0;}
.news-row:hover{background:#FCFBF6;}
.news-row:hover .news-row-title{color:var(--primary);}
.news-row-title{font-size:16px;font-weight:600;color:var(--text);line-height:1.6;transition:color .18s ease;}
.news-row .news-meta{margin-top:0;margin-left:auto;flex:none;}
.news-row .dot-sep{color:var(--line);}
.empty-state{
  margin-top:48px;border:1px dashed #CFC9B8;border-radius:var(--radius);
  background:#fff;padding:56px 24px;text-align:center;
}
.empty-state .empty-icon{
  width:52px;height:52px;border-radius:16px;background:var(--lime-soft);
  display:flex;align-items:center;justify-content:center;margin:0 auto 16px;
  font-size:22px;color:var(--primary);
}
.empty-state p{font-size:15px;color:var(--muted);}

/* FAQ */
.faq-layout{display:grid;grid-template-columns:.8fr 1.2fr;gap:56px;margin-top:48px;align-items:start;}
.faq-side h2{font-size:clamp(26px,3vw,36px);font-weight:800;color:var(--primary-dark);line-height:1.3;letter-spacing:-.02em;}
.faq-side p{margin-top:16px;font-size:15px;line-height:1.85;color:var(--muted);}
.faq-list{display:grid;gap:12px;}
.faq-item{
  position:relative;background:#fff;border:1px solid var(--line);border-radius:var(--radius-s);
  overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--lime);
  transform:scaleY(0);transform-origin:top;transition:transform .2s ease;
}
.faq-item.is-open{border-color:#CFE39B;box-shadow:var(--shadow-s);}
.faq-item.is-open::before{transform:scaleY(1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;text-align:left;font-size:16px;font-weight:600;color:var(--primary-dark);
  line-height:1.6;
}
.faq-q:hover{color:var(--primary);}
.faq-q .chev{
  flex:none;width:22px;height:22px;border-radius:50%;
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  font-size:12px;color:var(--primary);transition:transform .22s ease,background-color .22s ease;
}
.faq-item.is-open .chev{transform:rotate(180deg);background:var(--lime-soft);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s ease;}
.faq-a p{padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--muted);}

/* CTA */
.cta-section{padding:0 0 var(--section);}
.cta-box{
  position:relative;overflow:hidden;
  background:linear-gradient(135deg,var(--primary-dark) 0%,var(--primary) 100%);
  border-radius:var(--radius-l);padding:64px;color:#F3F1E6;
}
.cta-box::after{
  content:"";position:absolute;right:-80px;top:-80px;width:320px;height:320px;border-radius:50%;
  border:1px solid rgba(201,242,107,.28);
}
.cta-box h2{font-size:clamp(26px,3.2vw,38px);font-weight:800;line-height:1.28;letter-spacing:-.02em;}
.cta-box p{margin-top:16px;font-size:16px;line-height:1.85;color:rgba(243,241,230,.82);max-width:640px;}
.cta-actions{margin-top:32px;display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:2;}

/* 页脚 */
.site-footer{background:var(--dark);color:#D9D6C8;padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand .brand{color:#F3F1E6;}
.footer-brand p{margin-top:18px;font-size:14px;line-height:1.85;color:rgba(217,214,200,.72);max-width:320px;}
.footer-col h4{font-size:15px;font-weight:700;color:#F3F1E6;margin-bottom:18px;}
.footer-col ul{display:grid;gap:12px;}
.footer-col a{font-size:14px;color:rgba(217,214,200,.78);}
.footer-col a:hover{color:var(--lime);}
.footer-contact li{font-size:14px;line-height:1.8;color:rgba(217,214,200,.78);}
.footer-contact li span{color:rgba(217,214,200,.5);display:block;font-size:13px;}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(217,214,200,.14);
  padding:24px 0;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(217,214,200,.6);
}
.footer-bottom a{color:rgba(217,214,200,.72);}
.footer-bottom a:hover{color:var(--lime);}

/* 移动端抽屉 */
.drawer{
  position:fixed;inset:0;z-index:120;background:var(--primary-dark);
  padding:24px;display:none;flex-direction:column;
}
.drawer.is-open{display:flex;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-brand{color:#F3F1E6;font-size:18px;font-weight:800;}
.drawer-close{width:44px;height:44px;border-radius:12px;border:1px solid rgba(217,214,200,.24);color:#F3F1E6;font-size:18px;}
.drawer-menu{margin-top:40px;display:grid;gap:8px;}
.drawer-menu a{font-size:20px;font-weight:600;color:#F3F1E6;padding:14px 0;border-bottom:1px solid rgba(217,214,200,.12);}
.drawer-menu a:hover,.drawer-menu a.active{color:var(--lime);}
.drawer-foot{margin-top:auto;padding-top:24px;}

/* 响应式 */
@media (max-width:1279px){
  .hero-grid{gap:36px;min-height:auto;}
  .hero-visual img{height:400px;}
  .login-card{left:-16px;}
}
@media (max-width:1023px){
  :root{--section:72px;--gap:22px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-visual{margin-top:8px;}
  .hero-visual img{height:320px;}
  .login-card{position:static;width:100%;margin-top:-40px;max-width:420px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .stat:nth-child(2){border-right:0;}
  .stat{border-bottom:1px solid var(--line);}
  .stat:nth-child(3),.stat:nth-child(4){border-bottom:0;}
  .split{grid-template-columns:1fr;gap:28px;}
  .split.reverse .split-media{order:0;}
  .split-media img{height:300px;}
  .case-layout{grid-template-columns:1fr;}
  .plan-grid{grid-template-columns:1fr 1fr;}
  .plan.featured{order:-1;}
  .news-grid{grid-template-columns:1fr 1fr;}
  .news-card.lead{grid-column:1 / -1;}
  .faq-layout{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .nav-menu{display:none;}
  .nav-toggle{display:flex;}
  .cta-box{padding:48px 36px;}
}
@media (max-width:767px){
  :root{--section:56px;}
  .container{padding:0 16px;}
  .topbar-right{display:none;}
  .hero{padding:48px 0 64px;}
  .feature-grid{grid-template-columns:1fr;}
  .card-wide{grid-template-columns:1fr;padding:24px;}
  .card-wide img{height:220px;order:-1;}
  .plan-grid{grid-template-columns:1fr;}
  .news-grid{grid-template-columns:1fr;}
  .news-row{flex-direction:column;align-items:flex-start;gap:8px;padding:18px 20px;}
  .news-row .news-meta{margin-left:0;}
  .cta-box{padding:36px 24px;border-radius:20px;}
  .footer-grid{grid-template-columns:1fr;}
  .hero-actions .btn{flex:1 1 100%;}
  .btn{min-height:48px;}
}
@media (max-width:480px){
  body{font-size:15px;}
  .hero h1{font-size:32px;}
  .section-head h2{font-size:26px;}
  .stat .num{font-size:30px;}
  .card{padding:24px;}
  .case-main .case-body{padding:22px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: article */
:root{
  --primary:#123C32;
  --primary-dark:#0B2A23;
  --lime:#C9F26B;
  --lime-soft:rgba(201,242,107,.28);
  --orange:#FF7A45;
  --orange-soft:rgba(255,122,69,.14);
  --bg:#F7F4EC;
  --card:#FFFFFF;
  --ink:#12201C;
  --muted:#5E6B66;
  --line:#E3DFD4;
  --dark:#0C1F1A;
  --ok:#2E7D5B;
  --radius-sm:12px;
  --radius-md:16px;
  --radius-lg:20px;
  --radius-xl:24px;
  --shadow-sm:0 6px 18px rgba(12,31,26,.06);
  --shadow-md:0 12px 32px rgba(12,31,26,.08);
  --shadow-lg:0 16px 40px rgba(12,31,26,.14);
  --container:1280px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Noto Sans SC","Source Han Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--ink);
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--primary);text-decoration:none;transition:color .18s ease}
a:hover{color:var(--orange)}
h1,h2,h3,h4{margin:0;color:var(--primary);font-weight:800;letter-spacing:-.02em;line-height:1.25}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button{font-family:inherit}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.section{padding:88px 0}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{font-size:clamp(26px,3.2vw,36px);margin-bottom:14px}
.section-head p{color:var(--muted);font-size:16.5px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--primary);background:var(--lime-soft);border-radius:999px;padding:6px 14px;margin-bottom:16px;letter-spacing:.02em}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--orange)}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.scrolled{box-shadow:var(--shadow-sm)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:var(--primary);letter-spacing:-.01em}
.brand:hover{color:var(--primary)}
.brand-mark{
  width:34px;height:34px;border-radius:11px;
  background:linear-gradient(140deg,var(--primary),var(--primary-dark));
  color:var(--lime);display:grid;place-items:center;font-size:16px;font-weight:800;
}
.nav-menu{display:flex;align-items:center;gap:4px}
.nav-menu a{
  display:inline-block;padding:8px 14px;border-radius:999px;
  font-size:15.5px;font-weight:600;color:var(--muted);
  border-bottom:2px solid transparent;border-radius:0;
}
.nav-menu a:hover{color:var(--primary)}
.nav-menu a.active{color:var(--primary);border-bottom-color:var(--primary)}
.nav-actions{display:flex;align-items:center;gap:12px}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;border-radius:999px;
  font-size:15.5px;font-weight:700;border:1px solid transparent;
  cursor:pointer;transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-sm{min-height:40px;padding:0 20px;font-size:14.5px}
.btn-primary{background:var(--primary);color:#fff;box-shadow:var(--shadow-sm)}
.btn-primary:hover{background:#17493C;color:#fff;transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-lime{background:var(--lime);color:var(--primary-dark)}
.btn-lime:hover{background:#D8F98C;color:var(--primary-dark);transform:translateY(-1px);box-shadow:var(--shadow-md)}
.btn-ghost{background:transparent;color:var(--primary);border-color:var(--primary)}
.btn-ghost:hover{background:rgba(18,60,50,.06);color:var(--primary)}
.btn:focus-visible,a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid var(--lime);outline-offset:2px}
.btn:active{transform:translateY(0)}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;
  border-radius:12px;cursor:pointer;position:relative;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:50%;width:18px;height:2px;background:var(--primary);border-radius:2px;transform:translateX(-50%);
}
.nav-toggle span{top:21px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}

/* 面包屑 */
.crumbs{padding:22px 0 0;font-size:13px;color:var(--muted)}
.crumbs ol{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.crumbs li{display:flex;align-items:center;gap:8px}
.crumbs li:not(:last-child)::after{content:"/";color:#B9B3A4}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--primary)}
.crumbs li[aria-current="page"]{color:var(--primary);font-weight:600;max-width:60ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* 文章头 */
.article-head{padding:28px 0 34px;border-bottom:1px solid var(--line)}
.article-shell{max-width:820px;margin:0 auto}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;
  background:var(--lime-soft);color:var(--primary);
  font-size:12.5px;font-weight:700;letter-spacing:.02em;
}
.badge-orange{background:var(--orange-soft);color:#B4491D}
.article-head h1{
  font-size:clamp(30px,4vw,44px);
  line-height:1.22;margin:18px 0 16px;
}
.article-lead{font-size:17.5px;line-height:1.85;color:var(--muted);max-width:760px}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;
  margin-top:22px;font-size:13.5px;color:var(--muted);
}
.article-meta span.dot{color:#C4BEB0}

/* 正文 */
.article-main{padding:56px 0 24px}
.article-body{font-size:17.5px;line-height:1.9;color:#1B2A25}
.article-body > * + *{margin-top:1.15em}
.article-body h2{
  font-size:28px;margin-top:1.7em;padding-left:16px;position:relative;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.22em;bottom:.22em;width:4px;border-radius:3px;
  background:var(--lime);box-shadow:0 0 0 1px rgba(18,60,50,.05);
}
.article-body h3{font-size:22px;margin-top:1.5em}
.article-body h4{font-size:18.5px;margin-top:1.3em}
.article-body p{margin:0}
.article-body strong{color:var(--primary)}
.article-body ul,.article-body ol{padding-left:0}
.article-body ul li,.article-body ol li{position:relative;padding-left:22px;margin-top:.6em}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:.72em;width:7px;height:7px;border-radius:50%;
  background:var(--lime);border:1px solid rgba(18,60,50,.35);
}
.article-body ol{counter-reset:item}
.article-body ol li::before{
  counter-increment:item;content:counter(item);
  left:0;top:.35em;width:auto;height:auto;background:none;border:0;
  color:var(--primary);font-weight:700;font-size:15px;
}
.article-body ol li{padding-left:24px}
.article-body blockquote{
  margin:1.5em 0;padding:20px 24px;background:#FBF8F0;
  border-left:4px solid var(--orange);border-radius:0 var(--radius-sm) var(--radius-sm) 0;
  color:#2A3B35;
}
.article-body blockquote p{margin:0}
.article-body img{border-radius:var(--radius-md);margin:1.6em 0;width:100%;object-fit:cover}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
.article-body table{
  width:100%;border-collapse:collapse;font-size:15.5px;margin:1.6em 0;
  border:1px solid var(--line);border-radius:var(--radius-sm);overflow:hidden;
}
.article-body th{background:rgba(18,60,50,.07);color:var(--primary);text-align:left;font-weight:700}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line)}
.article-body tbody tr:nth-child(even){background:#FBF9F3}
.article-body a{text-decoration:underline;text-underline-offset:3px}
.article-body hr{border:0;height:1px;background:var(--line);margin:2.4em 0}

.article-empty{
  border:1px dashed #CFC8B6;border-radius:var(--radius-lg);
  padding:48px 28px;text-align:center;background:#FCFAF4;
}
.article-empty h2{font-size:22px;margin-bottom:10px}
.article-empty p{color:var(--muted);margin-bottom:20px}

/* 文末标签与返回 */
.article-foot{
  max-width:820px;margin:0 auto;padding-top:32px;
  border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px}
.tag{
  display:inline-block;padding:6px 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--muted);font-size:13px;font-weight:600;
}
.tag:hover{border-color:var(--primary);color:var(--primary)}
.back-link{font-size:14.5px;font-weight:700}

/* 相关推荐 */
.related{padding:64px 0 12px}
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rcard{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow-sm);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  display:flex;flex-direction:column;
}
.rcard:hover{transform:translateY(-2px);border-color:var(--primary);box-shadow:var(--shadow-lg)}
.rcard-img{aspect-ratio:16/9;overflow:hidden;background:#EDE9DE}
.rcard-img img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.rcard:hover .rcard-img img{transform:scale(1.03)}
.rcard-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.rcard-body h3{font-size:18px;line-height:1.5}
.rcard-body h3 a{color:var(--primary)}
.rcard-body h3 a:hover{color:var(--orange)}
.rcard-body p{font-size:14.5px;color:var(--muted);line-height:1.75}
.rcard-meta{margin-top:auto;font-size:13px;color:var(--muted);display:flex;gap:8px;align-items:center}

/* FAQ */
.faq-wrap{display:grid;grid-template-columns:0.9fr 1.6fr;gap:48px;align-items:start}
.faq-list{display:grid;gap:12px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  overflow:hidden;transition:box-shadow .2s ease;
}
.faq-item.open{box-shadow:inset 4px 0 0 var(--lime),var(--shadow-sm)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:none;border:0;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--primary);text-align:left;
}
.faq-q .ic{
  flex:0 0 auto;width:22px;height:22px;position:relative;border-radius:50%;
  background:var(--lime-soft);transition:transform .22s ease,background .22s ease;
}
.faq-q .ic::before,.faq-q .ic::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--primary);border-radius:2px;transform:translate(-50%,-50%);
}
.faq-q .ic::before{width:10px;height:2px}
.faq-q .ic::after{width:2px;height:10px}
.faq-item.open .ic{transform:rotate(90deg);background:var(--lime)}
.faq-a{display:none;padding:0 22px 20px;font-size:15.5px;line-height:1.85;color:var(--muted)}
.faq-item.open .faq-a{display:block}

/* CTA */
.cta-band{
  background:linear-gradient(135deg,var(--dark),var(--primary-dark));
  border-radius:var(--radius-xl);padding:56px;color:#F1F6EE;
  display:flex;flex-wrap:wrap;gap:28px;align-items:center;justify-content:space-between;
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;bottom:-120px;width:320px;height:320px;border-radius:50%;
  border:44px solid rgba(201,242,107,.12);
}
.cta-band h2{color:#F6FBF0;font-size:clamp(24px,2.8vw,32px);margin-bottom:12px}
.cta-band p{color:rgba(241,246,238,.78);max-width:620px;font-size:16px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:2}

/* 页脚 */
.site-footer{background:var(--dark);color:rgba(241,246,238,.86);margin-top:88px;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:44px}
.footer-brand .brand{color:#F6FBF0}
.footer-brand p{margin-top:16px;font-size:14.5px;line-height:1.85;color:rgba(241,246,238,.7);max-width:340px}
.footer-col h4{color:#F6FBF0;font-size:15.5px;margin-bottom:18px;letter-spacing:.01em}
.footer-col ul{display:grid;gap:10px}
.footer-col a{color:rgba(241,246,238,.72);font-size:14.5px}
.footer-col a:hover{color:var(--lime)}
.footer-contact li{font-size:13.8px;color:rgba(241,246,238,.7);line-height:1.7}
.footer-contact span{display:inline-block;min-width:74px;color:var(--lime);font-weight:700;margin-right:6px}
.footer-bottom{
  border-top:1px solid rgba(241,246,238,.14);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13.5px;color:rgba(241,246,238,.6);
}
.footer-bottom a{color:rgba(241,246,238,.72)}
.footer-bottom a:hover{color:var(--lime)}

@media (max-width:1100px){
  .faq-wrap{grid-template-columns:1fr;gap:28px}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:1023px){
  .section{padding:72px 0}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
}
@media (max-width:900px){
  .nav-toggle{display:block}
  .nav-menu{
    position:fixed;inset:72px 0 0 0;background:#fff;
    flex-direction:column;align-items:stretch;gap:0;
    padding:24px;overflow-y:auto;display:none;
  }
  .nav-menu.open{display:flex}
  .nav-menu a{font-size:20px;font-weight:700;padding:16px 4px;border-bottom:1px solid var(--line)}
  .nav-menu a.active{border-bottom-color:var(--primary)}
  .cta-band{padding:36px 28px}
}
@media (max-width:767px){
  body{font-size:16.5px}
  .container{padding:0 16px}
  .section{padding:56px 0}
  .article-main{padding:36px 0 16px}
  .article-lead{font-size:16.5px}
  .article-body{font-size:16.5px;line-height:1.88}
  .article-body h2{font-size:23px}
  .article-body h3{font-size:20px}
  .related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-brand{grid-column:1 / -1}
  .cta-band{border-radius:var(--radius-lg)}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
}
@media (max-width:480px){
  .article-head h1{font-size:26px}
  .site-footer{margin-top:56px;padding-top:48px}
  .footer-grid{grid-template-columns:1fr}
  .btn{min-height:48px}
}

/* roulang page: category1 */
:root{
  --brand:#123C32;
  --brand-deep:#0B2A23;
  --lime:#C9F26B;
  --lime-soft:#EAF7CE;
  --orange:#FF7A45;
  --orange-soft:#FFE8DE;
  --bg:#F7F4EC;
  --card:#FFFFFF;
  --text:#12201C;
  --muted:#5E6B66;
  --line:#E3DFD4;
  --dark:#0C1F1A;
  --success:#2E7D5B;
  --warning:#C77700;
  --error:#D64545;
  --radius-sm:12px;
  --radius:18px;
  --radius-lg:24px;
  --shadow:0 12px 32px rgba(12,31,26,.08);
  --shadow-hover:0 16px 40px rgba(12,31,26,.14);
  --container:1240px;
  --gap:28px;
}
*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Source Han Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  letter-spacing:0;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
input{font:inherit;}
:focus-visible{outline:3px solid var(--lime);outline-offset:2px;border-radius:6px;}
.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 24px;
}
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:40px;}
.section-head h2{
  font-size:clamp(28px,3.4vw,40px);
  line-height:1.25;
  font-weight:800;
  letter-spacing:-0.02em;
  color:var(--brand-deep);
}
.section-head p{
  margin-top:16px;
  font-size:17px;
  line-height:1.85;
  color:var(--muted);
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:600;
  letter-spacing:.08em;
  color:var(--brand);
  background:var(--lime-soft);
  padding:6px 14px;
  border-radius:999px;
  margin-bottom:18px;
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:52px;
  padding:0 28px;
  border-radius:999px;
  font-size:16px;
  font-weight:700;
  border:1px solid transparent;
  transition:transform .18s ease,background-color .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-sm{height:42px;padding:0 20px;font-size:15px;}
.btn-primary{background:var(--brand);color:#F7F4EC;box-shadow:0 10px 24px rgba(12,31,26,.16);}
.btn-primary:hover{background:#17503F;transform:translateY(-1px);box-shadow:0 16px 34px rgba(12,31,26,.22);}
.btn-accent{background:var(--lime);color:var(--brand-deep);}
.btn-accent:hover{background:#D7F786;transform:translateY(-1px);box-shadow:0 16px 34px rgba(201,242,107,.32);}
.btn-ghost{background:transparent;border-color:rgba(18,60,50,.35);color:var(--brand);}
.btn-ghost:hover{border-color:var(--brand);background:rgba(18,60,50,.06);transform:translateY(-1px);}
.btn:active{transform:translateY(0);}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(255,255,255,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.scrolled{box-shadow:0 6px 24px rgba(12,31,26,.10);}
.nav{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-size:19px;
  font-weight:800;
  letter-spacing:-0.01em;
  color:var(--brand-deep);
}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:36px;
  height:36px;
  border-radius:11px;
  background:var(--brand);
  color:var(--lime);
  font-size:18px;
  font-weight:800;
}
.nav-menu{
  display:flex;
  align-items:center;
  gap:6px;
}
.nav-menu a{
  position:relative;
  display:inline-block;
  padding:10px 16px;
  font-size:16px;
  font-weight:600;
  color:var(--muted);
  border-radius:10px;
  transition:color .18s ease,background-color .18s ease;
}
.nav-menu a::after{
  content:"";
  position:absolute;
  left:16px;
  right:16px;
  bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--brand);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform .18s ease;
}
.nav-menu a:hover{color:var(--brand);}
.nav-menu a.active{color:var(--brand-deep);}
.nav-menu a.active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;
  width:44px;
  height:44px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  align-items:center;
  justify-content:center;
}
.nav-toggle span{
  position:relative;
  display:block;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--brand-deep);
}
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";
  position:absolute;
  left:0;
  width:18px;
  height:2px;
  border-radius:2px;
  background:var(--brand-deep);
  transition:transform .2s ease;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:13px;
  color:var(--muted);
  margin-bottom:18px;
}
.breadcrumb a{color:var(--muted);transition:color .18s ease;}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb span.sep{opacity:.6;}
.breadcrumb .current{color:var(--brand);font-weight:600;}

/* ---------- 小 Hero ---------- */
.page-hero{
  position:relative;
  overflow:hidden;
  background-color:var(--dark);
  background-image:linear-gradient(100deg,rgba(11,42,35,.94) 0%,rgba(11,42,35,.82) 46%,rgba(11,42,35,.55) 100%),url("/assets/images/backpic/back-1.png");
  background-size:cover;
  background-position:center;
  color:#F4F1E7;
  padding:54px 0 46px;
}
.page-hero::after{
  content:"";
  position:absolute;
  right:-120px;
  bottom:-160px;
  width:520px;
  height:520px;
  border-radius:50%;
  border:1px solid rgba(201,242,107,.22);
  box-shadow:0 0 0 60px rgba(201,242,107,.05);
  pointer-events:none;
}
.page-hero .container{position:relative;z-index:1;}
.page-hero .breadcrumb{color:rgba(244,241,231,.72);}
.page-hero .breadcrumb a{color:rgba(244,241,231,.72);}
.page-hero .breadcrumb a:hover{color:var(--lime);}
.page-hero .breadcrumb .current{color:var(--lime);}
.page-hero h1{
  font-size:clamp(30px,4.2vw,50px);
  line-height:1.2;
  font-weight:800;
  letter-spacing:-0.02em;
  max-width:820px;
}
.page-hero .hero-lead{
  margin-top:18px;
  max-width:720px;
  font-size:17px;
  line-height:1.9;
  color:rgba(244,241,231,.86);
}
.hero-badges{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:24px;
}
.hero-badges .badge{
  background:rgba(201,242,107,.16);
  color:var(--lime);
  border:1px solid rgba(201,242,107,.3);
}
.badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:6px 14px;
  border-radius:999px;
  font-size:13px;
  font-weight:600;
  background:var(--lime-soft);
  color:var(--brand);
}
.badge-warm{background:var(--orange-soft);color:#B3411A;}

/* ---------- 锚点导航 ---------- */
.anchor-bar{
  background:#fff;
  border-bottom:1px solid var(--line);
  position:sticky;
  top:72px;
  z-index:60;
}
.anchor-nav{
  display:flex;
  gap:8px;
  overflow-x:auto;
  padding:14px 0;
  scrollbar-width:none;
}
.anchor-nav::-webkit-scrollbar{display:none;}
.anchor-nav a{
  flex:0 0 auto;
  padding:8px 16px;
  border-radius:999px;
  border:1px solid var(--line);
  font-size:14px;
  font-weight:600;
  color:var(--muted);
  transition:all .18s ease;
}
.anchor-nav a:hover{border-color:var(--brand);color:var(--brand);background:rgba(18,60,50,.04);}

/* ---------- 通用卡片网格 ---------- */
.grid-2x2{
  display:grid;
  grid-template-columns:repeat(2,minmax(0,1fr));
  gap:var(--gap);
}
.grid-3{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:var(--gap);
}
.card{
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:30px;
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.card:hover{border-color:var(--brand);box-shadow:var(--shadow-hover);transform:translateY(-2px);}
.card-icon{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:48px;
  height:48px;
  border-radius:14px;
  background:var(--lime-soft);
  color:var(--brand);
  font-size:20px;
  font-weight:800;
  margin-bottom:18px;
}
.card h3{
  font-size:21px;
  font-weight:700;
  line-height:1.35;
  color:var(--brand-deep);
  margin-bottom:12px;
}
.card p{font-size:15.5px;line-height:1.85;color:var(--muted);}
.card ul{margin-top:16px;display:grid;gap:10px;}
.card ul li{
  position:relative;
  padding-left:22px;
  font-size:15px;
  line-height:1.8;
  color:var(--text);
}
.card ul li::before{
  content:"";
  position:absolute;
  left:0;
  top:11px;
  width:8px;
  height:8px;
  border-radius:3px;
  background:var(--lime);
  box-shadow:0 0 0 3px rgba(201,242,107,.28);
}

/* ---------- 图文交替 ---------- */
.split{
  display:grid;
  grid-template-columns:repeat(12,1fr);
  gap:var(--gap);
  align-items:center;
}
.split + .split{margin-top:64px;}
.split-media{grid-column:span 6;}
.split-body{grid-column:span 6;}
.split.reverse .split-media{order:2;}
.split-media img{
  width:100%;
  height:340px;
  object-fit:cover;
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow);
}
.split-body h3{
  font-size:clamp(22px,2.4vw,28px);
  font-weight:800;
  line-height:1.3;
  color:var(--brand-deep);
  letter-spacing:-0.01em;
}
.split-body p{margin-top:14px;font-size:16.5px;color:var(--muted);line-height:1.9;}
.point-list{margin-top:20px;display:grid;gap:12px;}
.point-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  font-size:15.5px;
  line-height:1.8;
}
.point-list li .dot{
  flex:0 0 auto;
  width:22px;
  height:22px;
  border-radius:7px;
  background:var(--brand);
  color:var(--lime);
  font-size:12px;
  font-weight:700;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  margin-top:5px;
}

/* ---------- 步骤条 ---------- */
.steps{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:var(--gap);
  counter-reset:step;
}
.step{
  position:relative;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  padding:28px 24px;
}
.step .num{
  font-variant-numeric:tabular-nums;
  font-size:30px;
  font-weight:800;
  color:var(--brand);
  letter-spacing:-0.02em;
  line-height:1;
}
.step h3{margin-top:14px;font-size:18px;font-weight:700;color:var(--brand-deep);}
.step p{margin-top:10px;font-size:14.5px;color:var(--muted);line-height:1.8;}
.step::after{
  content:"";
  position:absolute;
  top:44px;
  right:-14px;
  width:14px;
  height:2px;
  background:var(--line);
}
.step:last-child::after{display:none;}

/* ---------- 表格 ---------- */
.table-wrap{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  box-shadow:var(--shadow);
}
.table-scroll{overflow-x:auto;}
table{
  width:100%;
  border-collapse:collapse;
  min-width:640px;
}
thead th{
  background:var(--lime-soft);
  color:var(--brand-deep);
  font-size:14px;
  font-weight:700;
  text-align:left;
  padding:16px 20px;
  border-bottom:1px solid var(--line);
}
tbody td{
  padding:16px 20px;
  font-size:15px;
  color:var(--text);
  border-bottom:1px solid var(--line);
  vertical-align:top;
  line-height:1.8;
}
tbody tr:nth-child(even){background:#FBFAF5;}
tbody tr:last-child td{border-bottom:none;}
tbody td:first-child{font-weight:600;color:var(--brand-deep);}

/* ---------- FAQ ---------- */
.faq-layout{
  display:grid;
  grid-template-columns:minmax(0,360px) minmax(0,1fr);
  gap:48px;
  align-items:start;
}
.faq-aside h2{
  font-size:clamp(28px,3.4vw,38px);
  font-weight:800;
  line-height:1.25;
  letter-spacing:-0.02em;
  color:var(--brand-deep);
}
.faq-aside p{margin-top:16px;font-size:16px;color:var(--muted);line-height:1.9;}
.faq-list{display:grid;gap:14px;}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--radius);
  overflow:hidden;
  position:relative;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item::before{
  content:"";
  position:absolute;
  left:0;
  top:0;
  bottom:0;
  width:4px;
  background:transparent;
  transition:background-color .2s ease;
}
.faq-item.open{border-color:var(--brand);box-shadow:var(--shadow);}
.faq-item.open::before{background:var(--lime);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  text-align:left;
  padding:20px 24px 20px 28px;
  font-size:16px;
  font-weight:600;
  color:var(--brand-deep);
  line-height:1.6;
}
.faq-q .chev{
  flex:0 0 auto;
  width:26px;
  height:26px;
  border-radius:50%;
  border:1px solid var(--line);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:14px;
  color:var(--brand);
  transition:transform .22s ease,background-color .22s ease,border-color .22s ease;
}
.faq-item.open .faq-q .chev{transform:rotate(180deg);background:var(--lime);border-color:var(--lime);color:var(--brand-deep);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .28s ease;
}
.faq-a-inner{
  padding:0 28px 22px;
  font-size:15.5px;
  line-height:1.9;
  color:var(--muted);
}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--dark);
  color:#F4F1E7;
  border-radius:var(--radius-lg);
  padding:56px;
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:36px;
  align-items:center;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-90px;
  top:-90px;
  width:300px;
  height:300px;
  border-radius:50%;
  border:1px solid rgba(201,242,107,.25);
  pointer-events:none;
}
.cta-band h2{
  font-size:clamp(26px,3vw,36px);
  font-weight:800;
  line-height:1.28;
  letter-spacing:-0.02em;
}
.cta-band p{margin-top:14px;font-size:16px;line-height:1.9;color:rgba(244,241,231,.8);max-width:640px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:1;}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;
  background:var(--dark);
  color:#EFECE2;
  padding:72px 0 0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
  padding-bottom:48px;
}
.site-footer .brand{color:#F4F1E7;font-size:19px;}
.site-footer .brand-mark{background:var(--lime);color:var(--brand-deep);}
.footer-brand p{
  margin-top:18px;
  font-size:14.5px;
  line-height:1.9;
  color:rgba(239,236,226,.7);
  max-width:340px;
}
.footer-col h4{
  font-size:15px;
  font-weight:700;
  color:#F4F1E7;
  margin-bottom:18px;
}
.footer-col ul{display:grid;gap:12px;}
.footer-col ul li a,
.footer-col ul li span{
  font-size:14.5px;
  color:rgba(239,236,226,.72);
  transition:color .18s ease;
}
.footer-col ul li a:hover{color:var(--lime);}
.footer-contact li{
  display:grid;
  gap:4px;
  font-size:14px;
  color:rgba(239,236,226,.72);
  line-height:1.7;
}
.footer-contact li span{
  font-size:13px;
  color:var(--lime);
  font-weight:600;
}
.footer-bottom{
  border-top:1px solid rgba(239,236,226,.14);
  padding:22px 0;
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  font-size:13.5px;
  color:rgba(239,236,226,.62);
}
.footer-bottom a{color:rgba(239,236,226,.62);transition:color .18s ease;}
.footer-bottom a:hover{color:var(--lime);}

/* ---------- 锚点定位 ---------- */
.anchor-target{scroll-margin-top:140px;}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{padding:0 22px;}
  .cta-band{padding:48px;}
}
@media (max-width:1023px){
  .nav-menu{gap:0;}
  .nav-menu a{padding:10px 12px;font-size:15px;}
  .split-media,.split-body{grid-column:span 12;}
  .split.reverse .split-media{order:0;}
  .split-media img{height:300px;}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr));}
  .step:nth-child(2)::after{display:none;}
  .faq-layout{grid-template-columns:1fr;gap:32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .cta-band{grid-template-columns:1fr;}
}
@media (max-width:767px){
  .section{padding:56px 0;}
  .section-tight{padding:44px 0;}
  .nav-toggle{display:inline-flex;}
  .nav-menu{
    position:fixed;
    inset:72px 0 0 0;
    background:#fff;
    flex-direction:column;
    align-items:stretch;
    gap:0;
    padding:24px 24px 120px;
    transform:translateX(100%);
    transition:transform .26s ease;
    overflow-y:auto;
    z-index:70;
    box-shadow:var(--shadow);
  }
  .nav-menu.open{transform:translateX(0);}
  .nav-menu a{font-size:20px;padding:16px 4px;border-bottom:1px solid var(--line);border-radius:0;}
  .nav-menu a::after{display:none;}
  .nav-menu a.active{color:var(--brand);}
  .anchor-bar{top:72px;}
  .grid-2x2,.grid-3{grid-template-columns:1fr;}
  .step::after{display:none;}
  .page-hero{padding:40px 0 36px;}
  .page-hero h1{font-size:clamp(26px,7vw,34px);}
  .hero-lead{font-size:16px;}
  .card{padding:24px;}
  .split-media img{height:240px;}
  .cta-band{padding:32px;border-radius:var(--radius);}
  .cta-actions .btn{width:100%;}
  .faq-q{padding:18px 18px 18px 22px;font-size:15.5px;}
  .faq-a-inner{padding:0 22px 20px;}
  .footer-grid{grid-template-columns:1fr;gap:32px;padding-bottom:36px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .section{padding:44px 0;}
  .steps{grid-template-columns:1fr;}
  .btn{font-size:15px;padding:0 22px;}
  .brand{font-size:17px;}
  .brand-mark{width:32px;height:32px;font-size:16px;}
  .split-media img{height:200px;}
  .card h3{font-size:19px;}
}

/* roulang page: category2 */
:root{
  --green:#123C32;
  --green-dark:#0B2A23;
  --lime:#C9F26B;
  --orange:#FF7A45;
  --bg:#F7F4EC;
  --card:#FFFFFF;
  --text:#12201C;
  --muted:#5E6B66;
  --line:#E3DFD4;
  --dark:#0C1F1A;
  --success:#2E7D5B;
  --warn:#C77700;
  --error:#D64545;
  --radius-s:12px;
  --radius-m:18px;
  --radius-l:24px;
  --shadow-s:0 6px 18px rgba(12,31,26,.06);
  --shadow-m:0 12px 32px rgba(12,31,26,.08);
  --shadow-l:0 16px 40px rgba(12,31,26,.14);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:17px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;cursor:pointer;background:none;border:none}
ul{padding-left:0;margin:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.25;letter-spacing:-.02em;font-weight:800}
p{margin:0}
input{font:inherit}
:focus-visible{outline:3px solid var(--lime);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--shadow-m)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:19px;color:var(--green);letter-spacing:-.01em;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:11px;background:var(--green);color:var(--lime);
  display:grid;place-items:center;font-size:18px;font-weight:800;flex-shrink:0;
}
.nav-menu{display:flex;align-items:center;gap:6px;flex:1;justify-content:center}
.nav-menu > a{
  position:relative;padding:10px 16px;border-radius:10px;font-size:16px;font-weight:500;
  color:var(--muted);transition:color .18s ease,background-color .18s ease;white-space:nowrap;
}
.nav-menu > a:hover{color:var(--green);background:rgba(18,60,50,.05)}
.nav-menu > a.active{color:var(--green);font-weight:700}
.nav-menu > a.active::after{
  content:"";position:absolute;left:16px;right:16px;bottom:2px;height:2px;border-radius:2px;background:var(--green);
}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:#fff;align-items:center;justify-content:center;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";display:block;width:20px;height:2px;border-radius:2px;background:var(--green);position:relative;transition:transform .22s ease,opacity .22s ease;
}
.nav-toggle span::before{position:absolute;top:-6px}
.nav-toggle span::after{position:absolute;top:6px}
body.nav-open .nav-toggle span{background:transparent}
body.nav-open .nav-toggle span::before{transform:translateY(6px) rotate(45deg)}
body.nav-open .nav-toggle span::after{transform:translateY(-6px) rotate(-45deg)}
.drawer-cta{display:none}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:12px;font-size:16px;font-weight:600;
  border:1px solid transparent;white-space:nowrap;
  transition:transform .18s ease,background-color .18s ease,box-shadow .18s ease,color .18s ease,border-color .18s ease;
}
.btn-sm{height:42px;padding:0 18px;font-size:15px;border-radius:10px}
.btn-primary{background:var(--green);color:#F7F4EC}
.btn-primary:hover{background:var(--green-dark);transform:translateY(-1px);box-shadow:var(--shadow-m)}
.btn-lime{background:var(--lime);color:var(--green-dark)}
.btn-lime:hover{background:#DAFA8C;transform:translateY(-1px);box-shadow:0 12px 28px rgba(0,0,0,.18)}
.btn-ghost{background:transparent;border-color:rgba(18,60,50,.35);color:var(--green)}
.btn-ghost:hover{background:rgba(18,60,50,.06);border-color:var(--green);transform:translateY(-1px)}
.btn:active{transform:translateY(0) scale(.99)}
.btn[disabled],.btn.disabled{opacity:.5;pointer-events:none;box-shadow:none;transform:none}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:28px;padding:0 12px;border-radius:999px;
  background:rgba(201,242,107,.35);color:var(--green-dark);font-size:13px;font-weight:600;letter-spacing:0;
}
.badge-orange{background:rgba(255,122,69,.16);color:#B4431A}
.badge-light{background:rgba(247,244,236,.18);color:var(--lime)}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:8px;
  background:rgba(18,60,50,.07);color:var(--green);font-size:12.5px;font-weight:600;
}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:6px;
  font-size:13px;color:rgba(247,244,236,.68);margin-bottom:20px;
}
.breadcrumb a{color:rgba(247,244,236,.78);transition:color .18s ease}
.breadcrumb a:hover{color:var(--lime)}
.breadcrumb .sep{opacity:.5}
.breadcrumb .current{color:var(--lime);font-weight:600}

/* ============ 分类页小 Hero ============ */
.page-hero{
  position:relative;overflow:hidden;color:#F7F4EC;
  background-color:var(--green-dark);
  background-image:linear-gradient(115deg,rgba(11,42,35,.94) 0%,rgba(11,42,35,.82) 48%,rgba(12,31,26,.72) 100%),url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;
  padding:56px 0 64px;
}
.page-hero::after{
  content:"";position:absolute;right:-140px;bottom:-180px;width:520px;height:520px;border-radius:50%;
  border:1.5px solid rgba(201,242,107,.22);pointer-events:none;
}
.page-hero::before{
  content:"";position:absolute;right:-40px;bottom:-260px;width:520px;height:520px;border-radius:50%;
  border:1.5px solid rgba(201,242,107,.12);pointer-events:none;
}
.page-hero .container{position:relative;z-index:2}
.page-hero h1{
  font-size:clamp(30px,4.4vw,50px);font-weight:800;line-height:1.18;letter-spacing:-.02em;
  max-width:900px;margin:16px 0 18px;
}
.page-hero .lead{
  max-width:760px;font-size:18px;line-height:1.85;color:rgba(247,244,236,.84);
}
.hero-facts{display:flex;flex-wrap:wrap;gap:10px;margin-top:26px}
.hero-facts span{
  display:inline-flex;align-items:center;height:34px;padding:0 14px;border-radius:999px;
  background:rgba(247,244,236,.12);border:1px solid rgba(247,244,236,.18);
  font-size:13.5px;color:rgba(247,244,236,.9);
}

/* ============ 锚点导航 ============ */
.anchor-nav{
  background:#fff;border-bottom:1px solid var(--line);
  position:sticky;top:72px;z-index:50;
}
.anchor-nav .container{display:flex;gap:8px;overflow-x:auto;padding-top:12px;padding-bottom:12px;scrollbar-width:none}
.anchor-nav .container::-webkit-scrollbar{display:none}
.anchor-nav a{
  flex-shrink:0;display:inline-flex;align-items:center;height:38px;padding:0 16px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--muted);border:1px solid var(--line);
  transition:all .18s ease;
}
.anchor-nav a:hover{color:var(--green);border-color:var(--green);background:rgba(18,60,50,.04)}

/* ============ 通用板块 ============ */
.section{padding:96px 0}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{font-size:clamp(26px,3.2vw,38px);margin-bottom:16px}
.section-head p{color:var(--muted);font-size:17px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--green);
  letter-spacing:.08em;text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--lime)}

/* ============ 功能卡片 2×2 ============ */
.grid-2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.feature-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-m);
  padding:30px;transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.feature-card:hover{border-color:var(--green);transform:translateY(-2px);box-shadow:var(--shadow-l)}
.feature-icon{
  width:50px;height:50px;border-radius:14px;display:grid;place-items:center;
  background:rgba(201,242,107,.3);color:var(--green-dark);margin-bottom:20px;
}
.feature-icon svg{width:24px;height:24px}
.feature-card h3{font-size:22px;margin-bottom:12px}
.feature-card > p{color:var(--muted);font-size:16px;margin-bottom:18px}
.check-list li{
  position:relative;padding-left:26px;font-size:15.5px;color:var(--text);line-height:1.75;margin-bottom:8px;
}
.check-list li::before{
  content:"";position:absolute;left:0;top:.62em;width:14px;height:8px;
  border-left:2px solid var(--success);border-bottom:2px solid var(--success);
  transform:rotate(-45deg) scale(.82);transform-origin:left center;
}

/* ============ 图文交替 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:52px;align-items:center}
.split + .split{margin-top:76px}
.split-media{border-radius:var(--radius-l);overflow:hidden;box-shadow:var(--shadow-m);background:#fff}
.split-media img{width:100%;height:360px;object-fit:cover;transition:transform .4s ease}
.split-media:hover img{transform:scale(1.03)}
.split-body h3{font-size:26px;margin-bottom:16px}
.split-body > p{color:var(--muted);margin-bottom:20px}
.split-body .btn{margin-top:26px}

/* ============ 指标条 ============ */
.metrics{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-bottom:52px}
.metric{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-m);
  padding:26px 24px;transition:border-color .2s ease,box-shadow .2s ease;
}
.metric:hover{border-color:var(--green);box-shadow:var(--shadow-s)}
.metric .num{
  font-size:30px;font-weight:800;color:var(--green);letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.metric .label{font-size:13.5px;color:var(--muted);margin-top:8px}

/* ============ 表格 ============ */
.table-wrap{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-m);
  overflow-x:auto;box-shadow:var(--shadow-s);
}
table{width:100%;border-collapse:collapse;min-width:720px}
thead th{
  background:rgba(18,60,50,.06);color:var(--green);font-size:14px;font-weight:700;
  text-align:left;padding:16px 22px;border-bottom:1px solid var(--line);white-space:nowrap;
}
tbody td{
  padding:16px 22px;font-size:15.5px;color:var(--text);border-bottom:1px solid var(--line);
}
tbody tr:nth-child(even){background:rgba(247,244,236,.6)}
tbody tr:last-child td{border-bottom:none}
tbody tr:hover{background:rgba(201,242,107,.14)}
td .tag{margin-right:6px}

/* ============ 步骤条 ============ */
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:18px;counter-reset:step}
.step{
  position:relative;background:var(--card);border:1px solid var(--line);
  border-radius:var(--radius-m);padding:26px 22px;transition:border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.step:hover{border-color:var(--green);transform:translateY(-2px);box-shadow:var(--shadow-m)}
.step .step-no{
  font-variant-numeric:tabular-nums;font-size:15px;font-weight:800;letter-spacing:.06em;
  color:var(--green);background:rgba(201,242,107,.34);border-radius:10px;
  width:40px;height:40px;display:grid;place-items:center;margin-bottom:16px;
}
.step h3{font-size:18px;margin-bottom:10px}
.step p{font-size:14.5px;color:var(--muted);line-height:1.75}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:300px 1fr;gap:52px;align-items:start}
.faq-side h2{font-size:clamp(26px,3vw,34px);margin-bottom:16px}
.faq-side p{color:var(--muted);font-size:16px}
.faq-side .btn{margin-top:24px}
.faq-list{border-top:1px solid var(--line)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0 22px 0;text-align:left;font-size:16.5px;font-weight:600;line-height:1.6;
  transition:color .18s ease;position:relative;
}
.faq-q:hover{color:var(--green)}
.faq-item.open{border-left:4px solid var(--lime);padding-left:18px;transition:padding .2s ease}
.faq-q .icon{
  flex-shrink:0;width:30px;height:30px;border-radius:9px;border:1px solid var(--line);
  display:grid;place-items:center;transition:transform .25s ease,background-color .25s ease,border-color .25s ease;
}
.faq-q .icon::before{
  content:"";width:11px;height:11px;border-right:2px solid var(--green);border-bottom:2px solid var(--green);
  transform:rotate(45deg) translate(-2px,-2px);transition:transform .25s ease;
}
.faq-item.open .faq-q .icon{background:var(--lime);border-color:var(--lime)}
.faq-item.open .faq-q .icon::before{transform:rotate(-135deg) translate(-2px,-2px)}
.faq-a{max-height:0;overflow:hidden;opacity:0;transition:max-height .3s ease,opacity .25s ease,padding .25s ease}
.faq-item.open .faq-a{max-height:420px;opacity:1;padding-bottom:24px}
.faq-a p{font-size:15.5px;color:var(--muted);line-height:1.85}

/* ============ CTA ============ */
.cta-section{padding:0 0 96px}
.cta-box{
  position:relative;overflow:hidden;background:var(--dark);color:#F7F4EC;
  border-radius:var(--radius-l);padding:64px;
  background-image:radial-gradient(circle at 88% 18%,rgba(201,242,107,.16),transparent 46%);
}
.cta-box h2{font-size:clamp(26px,3.2vw,38px);margin-bottom:16px;max-width:640px}
.cta-box p{color:rgba(247,244,236,.78);max-width:620px;font-size:17px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.cta-box .btn-ghost{border-color:rgba(247,244,236,.42);color:#F7F4EC}
.cta-box .btn-ghost:hover{background:rgba(247,244,236,.12);border-color:#F7F4EC}

/* ============ 页脚 ============ */
.site-footer{background:var(--dark);color:rgba(247,244,236,.78);padding:72px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:44px}
.footer-brand .brand{color:#F7F4EC;margin-bottom:18px}
.footer-brand .brand-mark{background:rgba(201,242,107,.16);color:var(--lime)}
.footer-brand p{font-size:15px;line-height:1.85;color:rgba(247,244,236,.66);max-width:340px}
.footer-col h4{font-size:16px;color:#F7F4EC;margin-bottom:18px;letter-spacing:0}
.footer-col ul li{margin-bottom:12px;font-size:15px}
.footer-col ul li a{color:rgba(247,244,236,.72);transition:color .18s ease}
.footer-col ul li a:hover{color:var(--lime)}
.footer-contact li{color:rgba(247,244,236,.66);font-size:14.5px;line-height:1.7}
.footer-contact li span{
  display:inline-block;min-width:74px;color:var(--lime);font-weight:600;margin-right:8px;
}
.footer-bottom{
  margin-top:56px;border-top:1px solid rgba(247,244,236,.14);
  padding:24px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:14px;color:rgba(247,244,236,.6);
}
.footer-bottom a{color:rgba(247,244,236,.72)}
.footer-bottom a:hover{color:var(--lime)}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{padding:0 22px}
  .nav-menu > a{padding:10px 12px;font-size:15px}
}
@media (max-width:1023px){
  body{font-size:16.5px}
  .section{padding:76px 0}
  .grid-2{grid-template-columns:1fr}
  .split{grid-template-columns:1fr;gap:32px}
  .split + .split{margin-top:56px}
  .split-media img{height:300px}
  .metrics{grid-template-columns:repeat(2,1fr)}
  .steps{grid-template-columns:repeat(2,1fr)}
  .faq-layout{grid-template-columns:1fr;gap:32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .cta-box{padding:48px}
}
@media (max-width:767px){
  .nav{height:64px;gap:12px}
  .nav-toggle{display:flex}
  .nav-menu{
    position:fixed;inset:0;background:#fff;flex-direction:column;align-items:stretch;justify-content:flex-start;
    padding:92px 24px 120px;gap:0;transform:translateX(100%);transition:transform .28s ease;
    z-index:70;overflow-y:auto;box-shadow:var(--shadow-l);
  }
  body.nav-open .nav-menu{transform:translateX(0)}
  .nav-menu > a{
    font-size:20px;font-weight:600;padding:18px 0;border-bottom:1px solid var(--line);border-radius:0;
    color:var(--text);
  }
  .nav-menu > a.active{color:var(--green)}
  .nav-menu > a.active::after{display:none}
  .nav-menu > a:hover{background:transparent}
  .drawer-cta{display:inline-flex;margin-top:26px;width:100%}
  .anchor-nav{top:64px}
  .page-hero{padding:36px 0 48px}
  .page-hero .lead{font-size:16.5px}
  .section{padding:56px 0}
  .section-head{margin-bottom:32px}
  .split-media img{height:230px}
  .metrics{grid-template-columns:1fr;gap:14px}
  .steps{grid-template-columns:1fr}
  .cta-section{padding:0 0 56px}
  .cta-box{padding:32px 24px}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .site-footer{padding:52px 0 0}
  .footer-bottom{margin-top:36px;flex-direction:column;gap:8px}
}
@media (max-width:520px){
  body{font-size:16px}
  .container{padding:0 16px}
  .brand{font-size:17px}
  .brand-mark{width:32px;height:32px;font-size:16px}
  .page-hero h1{font-size:clamp(26px,7vw,32px)}
  .feature-card{padding:24px 20px}
  .feature-card h3{font-size:20px}
  .metric .num{font-size:26px}
  .faq-q{font-size:15.5px;padding:18px 0}
  .btn{min-height:48px}
  .btn-sm{min-height:42px}
}