/* roulang page: index */
:root{
  --c-primary:#1B5BD8;
  --c-primary-dark:#14479F;
  --c-primary-soft:#E8F0FE;
  --c-accent:#FF7A2F;
  --c-accent-dark:#E8691F;
  --c-teal:#12A594;
  --c-bg:#F6F8FC;
  --c-bg-deep:#EEF2F9;
  --c-surface:#FFFFFF;
  --c-line:#E4E9F2;
  --c-text:#1C2434;
  --c-text-2:#5B6577;
  --c-text-3:#8A93A5;
  --r-s:8px;
  --r-m:12px;
  --r-l:18px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,60,130,.06), 0 8px 24px rgba(20,60,130,.07);
  --sh-2:0 12px 32px rgba(20,60,130,.12);
  --container:1180px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
button{font-family:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
figure{margin:0;}
.num{font-variant-numeric:tabular-nums;}

h1,h2,h3,h4,h5,h6{
  margin:0;
  font-family:inherit;
  color:var(--c-text);
  letter-spacing:-0.01em;
  line-height:1.2;
  font-weight:700;
}
h1{font-size:clamp(30px,4.6vw,46px);font-weight:800;line-height:1.2;}
h2{font-size:clamp(22px,3vw,30px);font-weight:700;line-height:1.35;}
h3{font-size:20px;font-weight:600;line-height:1.5;}
h4{font-size:17px;font-weight:600;line-height:1.5;}
p{margin:0 0 1em;line-height:1.8;}
p:last-child{margin-bottom:0;}

/* ---------- 栅格与容器修正 ---------- */
.grid-container{max-width:var(--container);padding-left:24px;padding-right:24px;}
.grid-x{margin-left:-12px;margin-right:-12px;}
.grid-x>.cell{padding-left:12px;padding-right:12px;}
.container{max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- 通用按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);
  font-size:16px;font-weight:600;line-height:1;letter-spacing:.01em;
  border:1.5px solid transparent;cursor:pointer;
  transition:background-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn i{font-size:15px;}
.btn-primary{background:var(--c-primary);color:#fff;}
.btn-primary:hover{background:var(--c-primary-dark);transform:translateY(-1px);box-shadow:0 10px 22px rgba(27,91,216,.25);}
.btn-primary:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary);}
.btn-ghost:hover{background:var(--c-primary-soft);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-accent{background:var(--c-accent);color:#fff;}
.btn-accent:hover{background:var(--c-accent-dark);transform:translateY(-1px);box-shadow:0 10px 22px rgba(255,122,47,.25);}
.btn-accent:active{transform:translateY(0);box-shadow:none;}
.btn-sm{height:40px;padding:0 20px;font-size:14px;}
.btn-lg{height:52px;padding:0 32px;font-size:17px;}
a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:50;
  background:#fff;border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.site-header.scrolled{box-shadow:0 6px 20px rgba(20,60,130,.08);}
.nav-inner{height:68px;display:flex;align-items:center;justify-content:space-between;gap:20px;}
.logo{display:flex;align-items:center;gap:10px;min-width:0;}
.logo-mark{
  width:36px;height:36px;flex:0 0 36px;border-radius:11px;
  background:linear-gradient(135deg,#1B5BD8,#3D7BF0);
  color:#fff;font-size:15px;font-weight:800;
  display:flex;align-items:center;justify-content:center;letter-spacing:0;
}
.logo-text{display:flex;flex-direction:column;min-width:0;}
.logo-text b{font-size:16px;font-weight:800;color:var(--c-text);letter-spacing:-.01em;line-height:1.25;white-space:nowrap;}
.logo-text small{font-size:11px;font-weight:500;color:var(--c-text-3);letter-spacing:.04em;line-height:1.3;}
.nav-links{display:flex;align-items:center;gap:4px;}
.nav-links a{
  position:relative;padding:10px 14px;font-size:15px;font-weight:500;
  color:var(--c-text-2);border-radius:var(--r-s);transition:color .2s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--c-primary);border-radius:2px;transform:scaleX(0);
  transform-origin:center;transition:transform .22s ease;
}
.nav-links a:hover{color:var(--c-primary);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--c-primary);font-weight:700;}
.nav-links a.active::after{transform:scaleX(1);}
.header-cta{flex:0 0 auto;}

/* ---------- 移动端底部 Tab ---------- */
.mobile-tab{display:none;}
@media (max-width:1023px){
  .nav-links{display:none;}
  .header-cta{display:none;}
  body{padding-bottom:66px;}
  .mobile-tab{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:60;
    background:#fff;border-top:1px solid var(--c-line);
    box-shadow:0 -6px 20px rgba(20,60,130,.08);
    padding-bottom:env(safe-area-inset-bottom);
  }
  .mobile-tab a{
    flex:1 1 0;position:relative;display:flex;flex-direction:column;
    align-items:center;justify-content:center;gap:3px;
    min-height:56px;padding:6px 2px;font-size:10px;color:var(--c-text-3);
  }
  .mobile-tab a i{font-size:20px;line-height:1;}
  .mobile-tab a span{font-size:10px;letter-spacing:.02em;}
  .mobile-tab a.active{color:var(--c-primary);font-weight:600;}
  .mobile-tab a.active::before{
    content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
    width:26px;height:3px;border-radius:0 0 3px 3px;background:var(--c-primary);
  }
}

/* ---------- 区块通用 ---------- */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:720px;margin:0 auto 44px;text-align:center;}
.section-head.left{margin-left:0;text-align:left;}
.section-eyebrow{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;letter-spacing:.08em;
  color:var(--c-primary);background:var(--c-primary-soft);
  padding:5px 14px;border-radius:var(--r-pill);margin-bottom:14px;
}
.section-head h2{margin-bottom:12px;}
.section-head p{color:var(--c-text-2);font-size:16px;margin:0;}

/* ---------- Hero ---------- */
.hero{position:relative;background:#fff;padding:64px 0 84px;overflow:hidden;}
.hero::before{
  content:"";position:absolute;top:-200px;right:-140px;width:620px;height:620px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(27,91,216,.10),rgba(27,91,216,0) 68%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;bottom:-160px;left:-160px;width:460px;height:460px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(18,165,148,.09),rgba(18,165,148,0) 68%);
  pointer-events:none;
}
.hero-inner{position:relative;z-index:1;min-height:520px;display:flex;align-items:center;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px 6px 8px;border-radius:var(--r-pill);
  background:var(--c-primary-soft);color:var(--c-primary);
  font-size:13px;font-weight:600;margin-bottom:20px;
}
.hero-badge em{
  font-style:normal;background:var(--c-primary);color:#fff;
  padding:2px 10px;border-radius:var(--r-pill);font-size:12px;font-weight:700;
}
.hero h1{margin-bottom:18px;}
.hero h1 span{color:var(--c-primary);}
.hero-sub{font-size:18px;line-height:1.75;color:var(--c-text-2);max-width:540px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:34px;}
.hero-trust{display:flex;flex-wrap:wrap;gap:24px;}
.trust-item{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--c-text-2);}
.trust-item i{
  width:26px;height:26px;flex:0 0 26px;border-radius:8px;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-primary-soft);color:var(--c-primary);font-size:13px;
}
.hero-visual{position:relative;}
.hero-visual .visual-main{
  border-radius:24px;overflow:hidden;box-shadow:var(--sh-2);
  border:1px solid var(--c-line);background:#fff;
}
.hero-visual .visual-main img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-float{
  position:absolute;left:-18px;bottom:34px;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-l);
  box-shadow:var(--sh-1);padding:16px 20px;display:flex;align-items:center;gap:12px;
}
.hero-float i{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  background:rgba(18,165,148,.12);color:var(--c-teal);
  display:flex;align-items:center;justify-content:center;font-size:16px;
}
.hero-float strong{display:block;font-size:15px;font-weight:700;line-height:1.3;}
.hero-float span{font-size:12px;color:var(--c-text-3);}

/* ---------- 指标条 ---------- */
.metrics{background:#fff;border-top:1px solid var(--c-line);border-bottom:1px solid var(--c-line);}
.metrics-inner{display:flex;flex-wrap:wrap;padding:34px 0;}
.metric{
  flex:1 1 0;min-width:150px;position:relative;padding:0 26px;
  display:flex;flex-direction:column;gap:4px;
}
.metric+.metric::before{
  content:"";position:absolute;left:0;top:8px;bottom:8px;width:1px;background:var(--c-line);
}
.metric-value{
  font-size:28px;font-weight:800;color:var(--c-primary);
  line-height:1.2;font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.metric-value small{font-size:15px;font-weight:700;margin-left:2px;}
.metric-label{font-size:14px;color:var(--c-text-2);}

/* ---------- 卡片基础 ---------- */
.card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-l);box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card-hover:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.card-hover:hover .card-thumb img{transform:scale(1.03);}
.card-thumb{
  position:relative;overflow:hidden;border-radius:var(--r-l) var(--r-l) 0 0;
  background:var(--c-bg-deep);
}
.card-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease;}
.badge{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:var(--r-pill);
  background:var(--c-primary-soft);color:var(--c-primary);
  font-size:12px;font-weight:600;letter-spacing:.01em;
}
.badge-float{position:absolute;left:14px;top:14px;background:#fff;box-shadow:0 2px 10px rgba(20,60,130,.14);}
.card-body{padding:24px;}

/* ---------- 入口服务区 ---------- */
.service-main{display:flex;flex-direction:column;height:100%;overflow:hidden;}
.service-main .card-thumb{border-radius:var(--r-l) var(--r-l) 0 0;}
.service-main .card-body{padding:28px 30px 30px;}
.service-main h3{font-size:22px;margin-bottom:10px;}
.service-main p{color:var(--c-text-2);font-size:15px;margin-bottom:18px;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:20px;}
.tag{
  display:inline-flex;align-items:center;gap:5px;
  padding:5px 12px;border-radius:var(--r-pill);
  background:var(--c-bg);border:1px solid var(--c-line);
  font-size:13px;color:var(--c-text-2);
}
.tag i{color:var(--c-teal);font-size:12px;}
.stack-cards{display:flex;flex-direction:column;gap:24px;height:100%;}
.mini-card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-l);box-shadow:var(--sh-1);
  padding:24px;display:flex;gap:16px;align-items:flex-start;
  flex:1 1 auto;transition:transform .25s ease,box-shadow .25s ease;
}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.mini-icon{
  width:44px;height:44px;flex:0 0 44px;border-radius:13px;
  display:flex;align-items:center;justify-content:center;font-size:18px;
}
.mini-icon.blue{background:var(--c-primary-soft);color:var(--c-primary);}
.mini-icon.orange{background:rgba(255,122,47,.12);color:var(--c-accent);}
.mini-card h4{margin-bottom:6px;}
.mini-card p{font-size:14px;color:var(--c-text-2);margin:0;}

/* ---------- 操作步骤 ---------- */
.steps-wrap{position:relative;}
.steps{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.steps::before{
  content:"";position:absolute;top:23px;left:11%;right:11%;height:2px;
  background:linear-gradient(90deg,var(--c-primary-soft),var(--c-line),var(--c-primary-soft));
}
.step{position:relative;}
.step-num{
  position:relative;z-index:1;width:46px;height:46px;border-radius:50%;
  background:#fff;border:2px solid var(--c-line);color:var(--c-text-3);
  display:flex;align-items:center;justify-content:center;
  font-size:16px;font-weight:800;font-variant-numeric:tabular-nums;
  margin-bottom:18px;transition:all .25s ease;
}
.step.is-active .step-num{border-color:var(--c-primary);color:var(--c-primary);box-shadow:0 0 0 6px rgba(27,91,216,.08);}
.step h3{font-size:17px;font-weight:700;margin-bottom:8px;}
.step p{font-size:14px;color:var(--c-text-2);margin:0;}

/* ---------- 图文交错预览 ---------- */
.feature-row{align-items:center;}
.feature-row+.feature-row{margin-top:72px;}
.feature-media{border-radius:var(--r-l);overflow:hidden;border:1px solid var(--c-line);box-shadow:var(--sh-1);}
.feature-media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.feature-text h3{font-size:24px;margin-bottom:12px;}
.feature-text p{color:var(--c-text-2);font-size:15.5px;margin-bottom:16px;}
.feature-list li{
  position:relative;padding-left:26px;font-size:15px;color:var(--c-text-2);margin-bottom:10px;
}
.feature-list li::before{
  content:"\f00c";font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;left:0;top:1px;font-size:12px;color:var(--c-teal);
}
.text-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--c-primary);font-weight:600;font-size:15px;
  border-bottom:1.5px solid transparent;transition:border-color .2s ease,gap .2s ease;
}
.text-link:hover{border-bottom-color:var(--c-primary);gap:10px;}

/* ---------- 进度组件 ---------- */
.progress-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-l);
  box-shadow:var(--sh-1);padding:30px;
}
.progress-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:16px;}
.progress-head span:first-child{font-size:15px;font-weight:600;color:var(--c-text-2);}
.progress-num{font-size:20px;font-weight:800;color:var(--c-primary);font-variant-numeric:tabular-nums;}
.progress-track{height:8px;border-radius:var(--r-pill);background:var(--c-bg-deep);overflow:hidden;margin-bottom:22px;}
.progress-fill{
  height:100%;border-radius:var(--r-pill);
  background:linear-gradient(90deg,var(--c-primary),var(--c-accent));
}
.check-list li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;color:var(--c-text-2);margin-bottom:12px;}
.check-list li:last-child{margin-bottom:0;}
.check-dot{
  width:18px;height:18px;flex:0 0 18px;border-radius:50%;margin-top:4px;
  display:flex;align-items:center;justify-content:center;font-size:10px;color:#fff;
}
.check-dot.done{background:var(--c-primary);}
.check-dot.todo{background:#fff;border:2px solid var(--c-line);}
.progress-side{display:flex;flex-direction:column;gap:16px;}
.side-item{
  display:flex;gap:14px;align-items:flex-start;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-m);
  padding:18px 20px;
}
.side-item i{
  width:34px;height:34px;flex:0 0 34px;border-radius:10px;
  display:flex;align-items:center;justify-content:center;font-size:15px;
  background:var(--c-primary-soft);color:var(--c-primary);
}
.side-item strong{display:block;font-size:15px;font-weight:600;margin-bottom:2px;}
.side-item span{font-size:13px;color:var(--c-text-3);line-height:1.6;}

/* ---------- CMS 列表 ---------- */
.cms-list-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.cms-list-head h2{margin-bottom:8px;}
.cms-list-head p{color:var(--c-text-2);font-size:15px;margin:0;}
.cms-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.cms-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-l);
  overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease;
}
.cms-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);}
.cms-card:hover .cms-thumb img{transform:scale(1.03);}
.cms-thumb{position:relative;overflow:hidden;background:var(--c-bg-deep);}
.cms-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease;}
.cms-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto;}
.cms-badge{
  display:inline-flex;align-self:flex-start;
  padding:4px 12px;border-radius:var(--r-pill);
  background:var(--c-primary-soft);color:var(--c-primary);
  font-size:12px;font-weight:600;margin-bottom:12px;
}
.cms-title{
  font-size:17px;font-weight:700;line-height:1.5;margin-bottom:10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.cms-desc{
  font-size:14px;color:var(--c-text-2);line-height:1.7;margin-bottom:16px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.cms-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  gap:12px;font-size:13px;color:var(--c-text-3);
  padding-top:14px;border-top:1px solid var(--c-line);
}
.cms-meta span{display:inline-flex;align-items:center;gap:5px;}
.cms-more{margin-top:32px;text-align:center;}
.empty-state{
  background:#fff;border:1px dashed var(--c-line);border-radius:var(--r-l);
  padding:64px 24px;text-align:center;
}
.empty-state i{
  width:64px;height:64px;border-radius:20px;
  background:var(--c-primary-soft);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  font-size:26px;margin:0 auto 18px;
}
.empty-state p{color:var(--c-text-2);font-size:15px;margin-bottom:20px;}

/* ---------- FAQ ---------- */
.faq-list{max-width:860px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-m);
  margin-bottom:12px;overflow:hidden;transition:box-shadow .25s ease,border-color .25s ease;
}
.faq-item.open{border-color:rgba(27,91,216,.3);box-shadow:var(--sh-1);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;min-height:56px;background:none;border:0;text-align:left;
  font-size:16px;font-weight:600;color:var(--c-text);cursor:pointer;
}
.faq-q:hover{color:var(--c-primary);}
.faq-icon{position:relative;width:16px;height:16px;flex:0 0 16px;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--c-primary);border-radius:2px;
  transition:transform .25s ease,opacity .25s ease;
}
.faq-icon::before{left:0;top:7px;width:16px;height:2px;}
.faq-icon::after{left:7px;top:0;width:2px;height:16px;}
.faq-item.open .faq-icon::after{transform:rotate(90deg);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a-inner{
  padding:16px 22px 22px;border-top:1px dashed var(--c-line);
  font-size:15px;line-height:1.8;color:var(--c-text-2);
}

/* ---------- 提示条 ---------- */
.notice{
  background:var(--c-primary-soft);border-radius:var(--r-l);
  padding:22px 26px;display:flex;gap:14px;align-items:flex-start;
}
.notice i{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  background:#fff;color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-size:16px;
}
.notice strong{display:block;font-size:15.5px;font-weight:700;margin-bottom:4px;color:var(--c-text);}
.notice p{font-size:14px;color:var(--c-text-2);margin:0;}

/* ---------- 尾部 CTA ---------- */
.cta-banner{
  background:var(--c-primary-soft);
  border-radius:28px;padding:56px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
  flex-wrap:wrap;position:relative;overflow:hidden;
}
.cta-banner::after{
  content:"";position:absolute;right:-120px;top:-120px;width:360px;height:360px;
  border-radius:50%;background:radial-gradient(circle,rgba(27,91,216,.16),rgba(27,91,216,0) 70%);
}
.cta-text{position:relative;z-index:1;max-width:640px;}
.cta-text h2{font-size:clamp(22px,2.8vw,30px);margin-bottom:10px;}
.cta-text p{color:var(--c-text-2);font-size:15.5px;margin:0;}
.cta-actions{position:relative;z-index:1;display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-bg-deep);border-top:1px solid var(--c-line);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:36px;}
.footer-brand .logo{margin-bottom:16px;}
.footer-brand p{font-size:13.5px;color:var(--c-text-2);line-height:1.8;max-width:300px;margin:0;}
.footer-col h4{font-size:14px;font-weight:700;color:var(--c-text);margin-bottom:16px;letter-spacing:.02em;}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{font-size:13.5px;color:var(--c-text-2);transition:color .2s ease;}
.footer-col ul a:hover{color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid var(--c-line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  flex-wrap:wrap;font-size:13px;color:var(--c-text-3);
}
.footer-bottom .sep{margin:0 8px;color:var(--c-line);}

/* ---------- 图片通用 ---------- */
img[loading]{background:var(--c-bg-deep);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .grid-container{max-width:100%;}
}
@media (max-width:1023px){
  .section{padding:72px 0;}
  .hero{padding:48px 0 64px;}
  .hero-inner{min-height:auto;}
  .hero-visual{margin-top:40px;}
  .hero-float{left:14px;}
  .steps{grid-template-columns:repeat(2,1fr);gap:32px 24px;}
  .steps::before{display:none;}
  .cms-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .cta-banner{padding:44px 34px;}
}
@media (max-width:767px){
  .metrics-inner{padding:8px 0;}
  .metric{flex:1 1 50%;padding:18px 0;min-width:0;}
  .metric+.metric::before{display:none;}
  .metric:nth-child(even){padding-left:20px;box-shadow:inset 1px 0 0 var(--c-line);}
  .feature-row+.feature-row{margin-top:48px;}
  .feature-row .feature-text{margin-top:24px;}
}
@media (max-width:639px){
  .grid-container{padding-left:18px;padding-right:18px;}
  .container{padding:0 18px;}
  .grid-x{margin-left:-8px;margin-right:-8px;}
  .grid-x>.cell{padding-left:8px;padding-right:8px;}
  .section{padding:52px 0;}
  .section-head{margin-bottom:32px;}
  .hero{padding:32px 0 48px;}
  .hero-sub{font-size:16px;}
  .hero h1{font-size:28px;}
  .hero-actions .btn{width:100%;}
  .hero-float{position:static;margin-top:16px;left:auto;bottom:auto;}
  .hero-trust{gap:14px;}
  .steps{grid-template-columns:1fr;gap:0;}
  .step{padding:0 0 24px 62px;position:relative;}
  .step:last-child{padding-bottom:0;}
  .step-num{position:absolute;left:0;top:0;margin-bottom:0;}
  .step::before{
    content:"";position:absolute;left:22px;top:52px;bottom:0;width:2px;
    background:var(--c-line);
  }
  .step:last-child::before{display:none;}
  .cms-grid{grid-template-columns:1fr;}
  .cms-list-head{margin-bottom:24px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .cta-banner{padding:32px 22px;border-radius:22px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .progress-card{padding:22px;}
  .card-body{padding:20px;}
  .service-main .card-body{padding:22px;}
}
@media (hover:hover){
  .card-hover:hover img{transform:scale(1.03);}
}

/* roulang page: category1 */
:root{
  --c-primary:#1B5BD8;
  --c-primary-dark:#14479F;
  --c-primary-soft:#E8F0FE;
  --c-accent:#FF7A2F;
  --c-teal:#12A594;
  --c-bg:#F6F8FC;
  --c-footer:#EEF2F9;
  --c-surface:#FFFFFF;
  --c-line:#E4E9F2;
  --c-text:#1C2434;
  --c-text-2:#5B6577;
  --c-text-3:#8A93A5;
  --r-s:8px;
  --r-m:12px;
  --r-l:18px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,60,130,.06), 0 8px 24px rgba(20,60,130,.07);
  --sh-2:0 12px 32px rgba(20,60,130,.12);
  --sp-section:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-primary-dark)}
button{font-family:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px}

/* ---------- 容器与栅格 ---------- */
.grid-container{max-width:1180px;margin:0 auto;padding-left:24px;padding-right:24px}
.grid-container.full{max-width:100%}
.grid-x{margin-left:-12px;margin-right:-12px}
.grid-x>.cell{padding-left:12px;padding-right:12px}
@media screen and (max-width:639px){
  .grid-container{padding-left:18px;padding-right:18px}
  .grid-x{margin-left:-8px;margin-right:-8px}
  .grid-x>.cell{padding-left:8px;padding-right:8px}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;letter-spacing:.01em;
  border:1.5px solid transparent;cursor:pointer;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 8px 20px rgba(27,91,216,.22)}
.btn-outline{border-color:var(--c-primary);color:var(--c-primary);background:#fff}
.btn-ghost{background:var(--c-primary-soft);color:var(--c-primary-dark)}
.btn-sm{height:40px;padding:0 20px;font-size:14px}
.btn-lg{height:52px;padding:0 34px;font-size:16px}
@media (hover:hover){
  .btn-primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(27,91,216,.3)}
  .btn-outline:hover{background:var(--c-primary-soft);transform:translateY(-1px)}
  .btn-ghost:hover{background:#d9e6fd;transform:translateY(-1px)}
}
.btn:active{transform:translateY(0)}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.96);
  backdrop-filter:saturate(180%) blur(8px);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 22px rgba(20,60,130,.08)}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px}
.logo{display:flex;align-items:center;gap:10px;color:var(--c-text);text-decoration:none;flex:0 0 auto}
.logo:hover{color:var(--c-text)}
.logo-mark{
  width:36px;height:36px;border-radius:11px;flex:0 0 36px;
  background:linear-gradient(135deg,var(--c-primary) 0%,#2f74e6 100%);
  color:#fff;font-weight:800;font-size:17px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 14px rgba(27,91,216,.28);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text b{font-size:15px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.logo-text small{font-size:11px;color:var(--c-text-3);letter-spacing:.02em;margin-top:2px}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{
  position:relative;padding:23px 14px;
  font-size:15px;font-weight:500;color:var(--c-text-2);
  text-decoration:none;white-space:nowrap;transition:color .2s ease;
}
.nav-links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:14px;height:2px;
  border-radius:2px;background:var(--c-primary);
  transform:scaleX(0);transform-origin:center;transition:transform .25s ease;
}
.nav-links a:hover{color:var(--c-primary)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.active{color:var(--c-primary);font-weight:600}
.nav-links a.active::after{transform:scaleX(1)}
.header-cta{display:flex;align-items:center;gap:10px;flex:0 0 auto}

/* ---------- 移动底部 Tab ---------- */
.mobile-tabbar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:70;
  background:#fff;border-top:1px solid var(--c-line);
  box-shadow:0 -8px 24px rgba(20,60,130,.08);
  padding-bottom:env(safe-area-inset-bottom,0);
}
.mobile-tabbar .tab-item{
  flex:1 1 0;position:relative;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:3px;
  min-height:58px;font-size:10px;color:var(--c-text-3);text-decoration:none;
  transition:color .2s ease;
}
.mobile-tabbar .tab-item svg{width:22px;height:22px;stroke:currentColor;fill:none;stroke-width:1.7;stroke-linecap:round;stroke-linejoin:round}
.mobile-tabbar .tab-item::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%) scaleX(0);
  width:26px;height:3px;border-radius:0 0 3px 3px;background:var(--c-primary);
  transition:transform .25s ease;
}
.mobile-tabbar .tab-item.active{color:var(--c-primary)}
.mobile-tabbar .tab-item.active::before{transform:translateX(-50%) scaleX(1)}

/* ---------- 页面标题区 ---------- */
.page-head{
  position:relative;
  background-image:linear-gradient(100deg,rgba(255,255,255,.96) 0%,rgba(255,255,255,.9) 52%,rgba(246,248,252,.72) 100%),url("/assets/images/backpic/back-1.webp");
  background-size:cover;background-position:center right;
  border-bottom:1px solid var(--c-line);
  padding:56px 0 48px;
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--c-text-3);margin-bottom:18px}
.breadcrumb a{color:var(--c-text-3);text-decoration:none}
.breadcrumb a:hover{color:var(--c-primary);text-decoration:underline}
.breadcrumb span.sep{color:#C3CBDA}
.page-head-grid{display:flex;align-items:center;gap:40px}
.page-head-copy{flex:1 1 auto;min-width:0}
.eyebrow{
  display:inline-flex;align-items:center;gap:7px;
  padding:6px 14px;border-radius:var(--r-pill);
  background:var(--c-primary-soft);color:var(--c-primary-dark);
  font-size:13px;font-weight:600;margin-bottom:18px;
}
.eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--c-accent);display:inline-block}
.page-head h1{
  font-size:clamp(28px,4.2vw,44px);line-height:1.22;font-weight:800;letter-spacing:-.01em;
  margin-bottom:16px;color:var(--c-text);
}
.page-head h1 em{font-style:normal;color:var(--c-primary)}
.page-lead{font-size:17px;line-height:1.75;color:var(--c-text-2);max-width:560px}
.page-head-media{
  flex:0 0 400px;max-width:400px;border-radius:var(--r-l);overflow:hidden;
  box-shadow:var(--sh-1);border:1px solid var(--c-line);background:#fff;
}
.page-head-media img{width:100%;aspect-ratio:16/10;object-fit:cover}
@media screen and (max-width:1023px){
  .page-head-media{flex:0 0 300px;max-width:300px}
}
@media screen and (max-width:767px){
  .page-head{padding:36px 0 32px}
  .page-head-grid{flex-direction:column;align-items:stretch;gap:24px}
  .page-head-media{flex:1 1 auto;max-width:100%}
  .page-lead{font-size:16px}
}

/* ---------- 锚点标签行 ---------- */
.anchor-bar{padding:26px 0 6px}
.anchor-row{
  display:flex;gap:10px;overflow-x:auto;padding:4px 2px 10px;
  scrollbar-width:none;-ms-overflow-style:none;
}
.anchor-row::-webkit-scrollbar{display:none}
.anchor-chip{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:6px;
  min-height:40px;padding:9px 18px;border-radius:var(--r-pill);
  border:1px solid var(--c-line);background:#fff;color:var(--c-text-2);
  font-size:14px;font-weight:500;text-decoration:none;white-space:nowrap;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
}
@media (hover:hover){
  .anchor-chip:hover{border-color:var(--c-primary);color:var(--c-primary);background:#fff}
}
.anchor-chip.is-active{
  background:var(--c-primary);border-color:var(--c-primary);color:#fff;
  box-shadow:0 8px 18px rgba(27,91,216,.24);font-weight:600;
}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sp-section) 0}
.section--tight{padding:64px 0}
.section-head{max-width:720px;margin-bottom:40px}
.section-head h2{
  font-size:clamp(22px,3vw,30px);line-height:1.35;font-weight:700;
  letter-spacing:-.01em;margin-bottom:12px;
}
.section-head p{font-size:16px;color:var(--c-text-2);line-height:1.8}
.section-head--center{margin-left:auto;margin-right:auto;text-align:center}

/* ---------- 内容卡片 ---------- */
.content-card{
  display:flex;flex-direction:column;height:100%;
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-l);
  box-shadow:var(--sh-1);overflow:hidden;
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
@media (hover:hover){
  .content-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D5DFEE}
}
.card-media{position:relative;overflow:hidden;aspect-ratio:16/9;background:#EDF1F8}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
@media (hover:hover){
  .content-card:hover .card-media img{transform:scale(1.03)}
}
.card-media .badge-float{
  position:absolute;left:14px;top:14px;z-index:2;
  padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.94);color:var(--c-primary);
  font-size:12px;font-weight:600;backdrop-filter:blur(4px);
}
.card-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto}
.badge{
  align-self:flex-start;display:inline-block;
  padding:5px 12px;border-radius:var(--r-pill);
  background:var(--c-primary-soft);color:var(--c-primary);
  font-size:12px;font-weight:600;letter-spacing:.01em;
}
.badge--teal{background:rgba(18,165,148,.12);color:#0E8577}
.badge--accent{background:rgba(255,122,47,.14);color:#D95F16}
.card-body h3{font-size:19px;line-height:1.45;font-weight:600;letter-spacing:-.01em}
.card-body p{font-size:15px;line-height:1.78;color:var(--c-text-2)}
.card-link{
  margin-top:auto;display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--c-primary);text-decoration:none;
}
.card-link::after{content:"→";transition:transform .22s ease}
@media (hover:hover){
  .card-link:hover{color:var(--c-primary-dark);text-decoration:underline}
  .card-link:hover::after{transform:translateX(4px)}
}
.card-meta{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--c-text-3)}

/* 宽卡（跨两列） */
@media screen and (min-width:1024px){
  .content-card--wide{flex-direction:row;align-items:stretch}
  .content-card--wide .card-media{
    flex:0 0 44%;width:44%;aspect-ratio:auto;min-height:280px;
  }
  .content-card--wide .card-body{padding:30px;gap:14px}
  .content-card--wide .card-body h3{font-size:23px}
  .content-card--wide .card-body p{font-size:15.5px}
}
@media screen and (max-width:1023px){
  .content-card--wide .card-media{aspect-ratio:16/9}
}

/* ---------- 要点清单 ---------- */
.checklist{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:16px}
.check-item{
  display:flex;align-items:flex-start;gap:14px;
  padding:22px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-m);
  box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease;
}
@media (hover:hover){
  .check-item:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
}
.check-num{
  flex:0 0 36px;width:36px;height:36px;border-radius:11px;
  display:flex;align-items:center;justify-content:center;
  background:var(--c-primary-soft);color:var(--c-primary);
  font-size:14px;font-weight:800;letter-spacing:.02em;
}
.check-item h4{font-size:16px;font-weight:600;margin-bottom:6px;line-height:1.5}
.check-item p{font-size:14px;line-height:1.75;color:var(--c-text-2)}

/* ---------- 提示条 ---------- */
.notice-bar{
  display:flex;align-items:flex-start;gap:16px;
  padding:22px 24px;border-radius:var(--r-l);
  background:linear-gradient(90deg,rgba(18,165,148,.1),rgba(18,165,148,.03));
  border:1px solid rgba(18,165,148,.24);
}
.notice-icon{
  flex:0 0 40px;width:40px;height:40px;border-radius:12px;
  background:var(--c-teal);color:#fff;display:flex;align-items:center;justify-content:center;
}
.notice-icon svg{width:22px;height:22px;stroke:#fff;fill:none;stroke-width:1.8;stroke-linecap:round;stroke-linejoin:round}
.notice-bar strong{display:block;font-size:16px;font-weight:700;margin-bottom:4px}
.notice-bar p{font-size:14.5px;line-height:1.78;color:var(--c-text-2)}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:900px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-m);
  box-shadow:var(--sh-1);overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item.open{border-color:#CFDDF5;box-shadow:var(--sh-2)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;background:transparent;border:0;cursor:pointer;
  font-size:16px;font-weight:600;color:var(--c-text);text-align:left;line-height:1.6;
}
.faq-q:hover{color:var(--c-primary)}
.faq-icon{position:relative;flex:0 0 20px;width:20px;height:20px}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;background:var(--c-primary);border-radius:2px;
  transition:transform .28s ease,opacity .28s ease;
}
.faq-icon::before{left:2px;right:2px;top:9px;height:2px}
.faq-icon::after{top:2px;bottom:2px;left:9px;width:2px}
.faq-item.open .faq-icon::after{transform:scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .32s ease}
.faq-a-inner{padding:0 22px 22px;border-top:1px dashed var(--c-line);padding-top:16px;margin:0 22px 0;padding-left:0;padding-right:0}
.faq-a p{font-size:15px;line-height:1.85;color:var(--c-text-2)}

/* ---------- CTA 横幅 ---------- */
.cta-band{
  position:relative;overflow:hidden;
  border-radius:26px;padding:52px 48px;
  background:linear-gradient(115deg,#E8F0FE 0%,#F2F7FF 55%,#E8F0FE 100%);
  border:1px solid #D6E3FA;
}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:240px;height:240px;
  border-radius:50%;background:radial-gradient(circle,rgba(27,91,216,.16),rgba(27,91,216,0) 70%);
}
.cta-band-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-band h2{font-size:clamp(21px,2.6vw,28px);line-height:1.4;font-weight:700;margin-bottom:10px;letter-spacing:-.01em}
.cta-band p{font-size:15px;color:var(--c-text-2);max-width:560px}
.cta-band-actions{display:flex;gap:12px;flex-wrap:wrap}
@media screen and (max-width:767px){
  .cta-band{padding:34px 24px;border-radius:20px}
  .cta-band-actions{width:100%}
  .cta-band-actions .btn{flex:1 1 auto}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-footer);border-top:1px solid var(--c-line);padding:64px 0 28px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:13.5px;line-height:1.85;color:var(--c-text-2);max-width:340px}
.footer-col h4{font-size:14px;font-weight:700;margin-bottom:16px;color:var(--c-text)}
.footer-col ul{display:grid;gap:10px}
.footer-col a{font-size:13.5px;color:var(--c-text-2);text-decoration:none;transition:color .2s ease}
.footer-col a:hover{color:var(--c-primary);text-decoration:underline}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid #DFE6F1;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--c-text-3);line-height:1.9;
}
@media screen and (max-width:1023px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .footer-brand{grid-column:1 / -1}
}
@media screen and (max-width:639px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .site-footer{padding:44px 0 24px}
}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1023px){
  :root{--sp-section:72px}
  .nav-links{display:none}
  .header-cta .btn-outline{display:none}
  .mobile-tabbar{display:flex}
  body{padding-bottom:calc(64px + env(safe-area-inset-bottom,0))}
  .checklist{grid-template-columns:1fr}
}
@media screen and (max-width:767px){
  .page-head-grid{gap:22px}
}
@media screen and (max-width:639px){
  :root{--sp-section:52px}
  .logo-text b{font-size:13.5px}
  .logo-text small{font-size:10px}
  .logo-mark{width:32px;height:32px;flex:0 0 32px;font-size:15px;border-radius:9px}
  .nav-inner{gap:12px}
  .section--tight{padding:44px 0}
  .card-body{padding:18px}
  .cta-band-actions .btn{width:100%}
}

/* roulang page: article */
:root{
  --c-primary:#1B5BD8;
  --c-primary-dark:#14479F;
  --c-primary-soft:#E8F0FE;
  --c-accent:#FF7A2F;
  --c-teal:#12A594;
  --c-bg:#F6F8FC;
  --c-bg-deep:#EEF2F9;
  --c-surface:#FFFFFF;
  --c-line:#E4E9F2;
  --c-text:#1C2434;
  --c-text-2:#5B6577;
  --c-text-3:#8A93A5;
  --r-s:8px;
  --r-m:12px;
  --r-l:18px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,60,130,.06),0 8px 24px rgba(20,60,130,.07);
  --sh-2:0 12px 32px rgba(20,60,130,.12);
  --sect-desktop:88px;
  --sect-mobile:52px;
  --font-base:-apple-system,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font-base);
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--c-primary-dark)}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;color:var(--c-text)}
p{margin:0 0 1em}
ul,ol{margin:0 0 1em;padding-left:1.2em}
button,input{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:4px}
.grid-container{max-width:1180px;margin:0 auto;padding-left:24px;padding-right:24px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(20,60,130,.08)}
.nav-inner{display:flex;align-items:center;gap:24px;height:68px}
.logo{display:flex;align-items:center;gap:10px;color:var(--c-text);flex:0 0 auto}
.logo:hover{color:var(--c-text)}
.logo-mark{
  width:38px;height:38px;border-radius:11px;
  background:linear-gradient(135deg,var(--c-primary),#2f79ff);
  color:#fff;font-weight:800;font-size:18px;
  display:flex;align-items:center;justify-content:center;
}
.logo-text{display:flex;flex-direction:column;line-height:1.2}
.logo-text b{font-size:15.5px;font-weight:800;letter-spacing:-.02em}
.logo-text small{font-size:11.5px;color:var(--c-text-3);letter-spacing:.02em}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;
  height:44px;padding:0 14px;border-radius:var(--r-s);
  font-size:15px;color:var(--c-text-2);font-weight:500;
}
.nav-links a:hover{color:var(--c-primary);background:var(--c-primary-soft)}
.nav-links a.active{color:var(--c-primary);font-weight:700}
.nav-links a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  border-radius:2px;background:var(--c-primary);
}
.header-cta{margin-left:8px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;border:1.5px solid transparent;
  cursor:pointer;transition:transform .18s ease,background-color .18s ease,box-shadow .18s ease,color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 6px 16px rgba(27,91,216,.22)}
.btn-primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px)}
.btn-primary:active{transform:translateY(0)}
.btn-ghost{background:transparent;color:var(--c-primary);border-color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);transform:translateY(-1px)}
.btn-sm{min-height:38px;padding:0 18px;font-size:14px}
.btn-lg{min-height:48px;padding:0 28px;font-size:16px}

/* ---------- breadcrumb ---------- */
.crumb-bar{background:var(--c-surface);border-bottom:1px solid var(--c-line)}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:14px 0;font-size:13.5px;color:var(--c-text-3);
}
.crumb a{color:var(--c-text-2)}
.crumb a:hover{color:var(--c-primary)}
.crumb .sep{color:#C3CBDA}
.crumb .now{color:var(--c-text);max-width:60vw;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}

/* ---------- article ---------- */
.article-wrap{padding:44px 0 0}
.article-main{max-width:820px;margin:0 auto}
.article-panel{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-l);box-shadow:var(--sh-1);
  padding:38px 40px 30px;
}
.article-head .badge-cat{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--c-primary-soft);color:var(--c-primary);
  font-size:12px;font-weight:700;line-height:1;
  padding:7px 12px;border-radius:var(--r-pill);
}
.article-head h1{
  margin:16px 0 14px;
  font-size:clamp(25px,3.4vw,36px);
  line-height:1.35;font-weight:800;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 18px;
  padding-bottom:20px;border-bottom:1px solid var(--c-line);
  font-size:13.5px;color:var(--c-text-3);
}
.article-meta span{display:inline-flex;align-items:center;gap:6px}
.article-meta i{color:var(--c-primary)}
.article-body{
  padding-top:26px;
  font-size:16.5px;line-height:1.9;color:#2A3346;
  word-wrap:break-word;overflow-wrap:break-word;
}
.article-body h2{
  margin:38px 0 14px;font-size:clamp(20px,2.6vw,26px);font-weight:700;line-height:1.4;
  padding-left:14px;border-left:4px solid var(--c-primary);
}
.article-body h3{margin:28px 0 10px;font-size:19px;font-weight:600}
.article-body h4{margin:22px 0 8px;font-size:17px;font-weight:600}
.article-body p{margin:0 0 1em}
.article-body img{border-radius:var(--r-m);margin:20px auto;height:auto}
.article-body ul,.article-body ol{padding-left:1.25em;margin:0 0 1.1em}
.article-body li{margin-bottom:8px}
.article-body blockquote{
  margin:22px 0;padding:16px 20px;
  background:var(--c-primary-soft);border-left:4px solid var(--c-primary);
  border-radius:0 var(--r-m) var(--r-m) 0;color:#29344A;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body table{
  width:100%;border-collapse:collapse;margin:22px 0;font-size:15px;
  border:1px solid var(--c-line);border-radius:var(--r-m);overflow:hidden;
}
.article-body th,.article-body td{padding:11px 14px;border-bottom:1px solid var(--c-line);text-align:left}
.article-body th{background:var(--c-bg-deep);font-weight:700}
.article-body tr:last-child td{border-bottom:0}
.article-body pre{
  background:#1C2434;color:#E8EEF9;padding:18px 20px;border-radius:var(--r-m);
  overflow-x:auto;font-size:14px;line-height:1.7;margin:22px 0;
}
.article-body code{background:#EEF2F9;padding:2px 6px;border-radius:6px;font-size:14px;color:#14479F}
.article-body pre code{background:transparent;color:inherit;padding:0}
.article-body a{border-bottom:1px solid rgba(27,91,216,.35)}
.article-body a:hover{border-bottom-color:var(--c-primary)}

/* ---------- 空态 ---------- */
.empty-state{
  max-width:820px;margin:48px auto;text-align:center;
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-l);box-shadow:var(--sh-1);padding:56px 26px;
}
.empty-state .empty-icon{
  width:76px;height:76px;margin:0 auto 20px;border-radius:50%;
  background:var(--c-primary-soft);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-size:30px;
}
.empty-state h2{font-size:22px;font-weight:700;margin-bottom:10px}
.empty-state p{color:var(--c-text-2);font-size:15px;margin-bottom:22px}

/* ---------- cta ---------- */
.cta-card{
  max-width:820px;margin:34px auto 0;
  background:linear-gradient(135deg,#EFF5FF,#E3EDFF);
  border:1px solid #D5E3FB;border-radius:var(--r-l);
  padding:28px 30px;display:flex;flex-wrap:wrap;align-items:center;gap:18px;
}
.cta-card .cta-text{flex:1 1 320px}
.cta-card h3{font-size:20px;font-weight:800;margin-bottom:6px}
.cta-card p{margin:0;color:var(--c-text-2);font-size:14.5px}

/* ---------- 相关推荐 ---------- */
.section-rel{padding:64px 0 0}
.sec-head{max-width:820px;margin:0 auto 24px}
.sec-head .kicker{
  display:inline-block;font-size:12.5px;font-weight:700;letter-spacing:.08em;
  color:var(--c-primary);background:var(--c-primary-soft);
  padding:6px 12px;border-radius:var(--r-pill);margin-bottom:12px;
}
.sec-head h2{font-size:clamp(21px,2.6vw,26px);font-weight:700}
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;max-width:820px;margin:0 auto}
.rel-card{
  background:var(--c-surface);border:1px solid var(--c-line);
  border-radius:var(--r-l);overflow:hidden;box-shadow:var(--sh-1);
  display:flex;flex-direction:column;
  transition:transform .22s ease,box-shadow .22s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.rel-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--c-bg-deep)}
.rel-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.rel-card:hover .rel-thumb img{transform:scale(1.04)}
.rel-body{padding:18px;display:flex;flex-direction:column;gap:8px;flex:1}
.rel-body .badge-cat{align-self:flex-start}
.rel-body h3{font-size:16px;font-weight:600;line-height:1.5}
.rel-body p{font-size:14px;color:var(--c-text-2);margin:0}
.rel-foot{margin-top:auto;font-size:12.5px;color:var(--c-text-3);display:flex;justify-content:space-between;align-items:center}

/* ---------- prev/next ---------- */
.page-nav{
  max-width:820px;margin:34px auto 0;display:grid;grid-template-columns:1fr 1fr;gap:16px;
}
.page-nav a{
  background:var(--c-surface);border:1px solid var(--c-line);border-radius:var(--r-m);
  padding:16px 18px;color:var(--c-text);box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  display:block;
}
.page-nav a:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#CDDCF8}
.page-nav .lv{font-size:12.5px;color:var(--c-text-3);display:block;margin-bottom:6px}
.page-nav .tt{font-size:15px;font-weight:600;color:var(--c-primary)}
.page-nav .next{text-align:right}

.back-row{max-width:820px;margin:26px auto 0;text-align:center}

/* ---------- footer ---------- */
.site-footer{background:var(--c-bg-deep);border-top:1px solid var(--c-line);margin-top:88px;padding:56px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.footer-brand p{margin-top:14px;font-size:13.5px;line-height:1.8;color:var(--c-text-2);max-width:300px}
.footer-col h4{font-size:14px;font-weight:700;margin-bottom:14px}
.footer-col ul{list-style:none;margin:0;padding:0}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:13.5px;color:var(--c-text-2)}
.footer-col a:hover{color:var(--c-primary);text-decoration:underline}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid #DFE6F2;
  display:flex;flex-wrap:wrap;gap:10px 24px;justify-content:space-between;
  font-size:13px;color:var(--c-text-3);
}

/* ---------- mobile tab ---------- */
.mobile-tab{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:80;
  background:var(--c-surface);border-top:1px solid var(--c-line);
  box-shadow:0 -6px 20px rgba(20,60,130,.08);
  padding-bottom:env(safe-area-inset-bottom);
}
.mobile-tab .tab-inner{display:flex;align-items:stretch}
.mobile-tab a{
  flex:1;min-height:56px;display:flex;flex-direction:column;
  align-items:center;justify-content:center;gap:3px;
  color:var(--c-text-3);font-size:10.5px;position:relative;
}
.mobile-tab a i{font-size:19px}
.mobile-tab a.active{color:var(--c-primary);font-weight:700}
.mobile-tab a.active::before{
  content:"";position:absolute;top:0;left:50%;transform:translateX(-50%);
  width:26px;height:3px;border-radius:0 0 3px 3px;background:var(--c-primary);
}

/* ---------- responsive ---------- */
@media (max-width:1023px){
  .nav-links{display:none}
  .header-cta{margin-left:auto}
  .mobile-tab{display:block}
  body{padding-bottom:64px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .article-panel{padding:28px 24px 22px}
  .section-rel{padding-top:52px}
}
@media (max-width:639px){
  .grid-container{padding-left:18px;padding-right:18px}
  .logo-text b{font-size:14px}
  .logo-text small{display:none}
  .article-wrap{padding-top:26px}
  .article-panel{padding:22px 16px 18px;border-radius:var(--r-m)}
  .article-head h1{font-size:22px}
  .article-body{font-size:16px}
  .rel-grid{grid-template-columns:1fr}
  .page-nav{grid-template-columns:1fr}
  .page-nav .next{text-align:left}
  .cta-card{padding:22px 18px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:22px}
  .site-footer{margin-top:56px;padding-top:40px}
}
@media (hover:hover){
  .rel-card:hover h3{color:var(--c-primary)}
}

/* roulang page: category2 */
:root{
  --c-primary:#1B5BD8;
  --c-primary-dark:#14479F;
  --c-primary-soft:#E8F0FE;
  --c-accent:#FF7A2F;
  --c-teal:#12A594;
  --c-bg:#F6F8FC;
  --c-bg-deep:#EEF2F9;
  --c-surface:#FFFFFF;
  --c-line:#E4E9F2;
  --c-text:#1C2434;
  --c-text-2:#5B6577;
  --c-text-3:#8A93A5;
  --r-s:8px;
  --r-m:12px;
  --r-l:18px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(20,60,130,.06),0 8px 24px rgba(20,60,130,.07);
  --sh-2:0 12px 32px rgba(20,60,130,.12);
  --sp-section:88px;
  --font-sans:-apple-system,BlinkMacSystemFont,"PingFang SC","Microsoft YaHei","Noto Sans SC",sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--font-sans);
  font-size:16px;
  line-height:1.8;
  color:var(--c-text);
  background:var(--c-bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--c-primary-dark);}
button,input{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0 0 .6em;letter-spacing:-0.01em;color:var(--c-text);}
h1{font-size:clamp(30px,4.6vw,46px);line-height:1.2;font-weight:800;}
h2{font-size:clamp(22px,3vw,30px);line-height:1.35;font-weight:700;}
h3{font-size:20px;line-height:1.5;font-weight:600;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
.grid-container{
  max-width:1180px;
  width:100%;
  padding-left:24px;
  padding-right:24px;
  margin-left:auto;
  margin-right:auto;
}
.site-main{padding-bottom:0;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:var(--c-surface);
  border-bottom:1px solid var(--c-line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 6px 20px rgba(20,60,130,.09);}
.nav-inner{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
  height:68px;
}
.logo{display:flex;align-items:center;gap:10px;color:var(--c-text);}
.logo:hover{color:var(--c-text);}
.logo-mark{
  width:38px;height:38px;flex:0 0 38px;
  border-radius:12px;
  background:linear-gradient(135deg,var(--c-primary),var(--c-primary-dark));
  color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-weight:800;font-size:18px;
  letter-spacing:0;
}
.logo-text{display:flex;flex-direction:column;line-height:1.25;}
.logo-text b{font-size:16px;font-weight:800;letter-spacing:-0.01em;}
.logo-text small{font-size:12px;color:var(--c-text-3);}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-links a{
  position:relative;
  display:inline-block;
  padding:8px 14px;
  font-size:15px;
  color:var(--c-text-2);
  border-radius:var(--r-s);
}
.nav-links a::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:2px;
  height:2px;
  border-radius:2px;
  background:var(--c-primary);
  transform:scaleX(0);
  transform-origin:center;
  transition:transform .22s ease;
}
.nav-links a:hover{color:var(--c-primary);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--c-primary);font-weight:600;}
.nav-links a.active::after{transform:scaleX(1);}
.header-cta{display:flex;align-items:center;gap:10px;}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:0 24px;
  border-radius:var(--r-pill);
  border:1.5px solid transparent;
  font-size:15px;
  font-weight:600;
  cursor:pointer;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease,transform .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:0 6px 18px rgba(27,91,216,.22);}
.btn-primary:hover{background:var(--c-primary-dark);color:#fff;transform:translateY(-1px);}
.btn-primary:active{transform:translateY(0);}
.btn-outline{border-color:var(--c-primary);color:var(--c-primary);background:transparent;}
.btn-outline:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);border-color:var(--c-primary-dark);}
.btn-accent{background:var(--c-accent);color:#fff;box-shadow:0 6px 18px rgba(255,122,47,.24);}
.btn-accent:hover{background:#EC6A1E;color:#fff;transform:translateY(-1px);}
.btn-lg{min-height:48px;padding:0 28px;font-size:16px;}
.btn-sm{min-height:38px;padding:0 18px;font-size:14px;}
.btn-block{width:100%;}
.btn:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible{
  outline:2px solid var(--c-primary);
  outline-offset:2px;
}

/* ============ 移动底部 Tab ============ */
.mobile-tabbar{
  display:none;
  position:fixed;
  left:0;right:0;bottom:0;
  z-index:80;
  background:var(--c-surface);
  border-top:1px solid var(--c-line);
  box-shadow:0 -6px 20px rgba(20,60,130,.08);
  padding-bottom:env(safe-area-inset-bottom);
}
.mobile-tabbar .tab-inner{
  display:flex;
  align-items:stretch;
  justify-content:space-around;
}
.mobile-tabbar a{
  position:relative;
  flex:1 1 0;
  min-height:56px;
  display:flex;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:2px;
  font-size:10px;
  color:var(--c-text-3);
  padding:6px 2px;
}
.mobile-tabbar a i{font-size:19px;}
.mobile-tabbar a::before{
  content:"";
  position:absolute;
  top:0;left:50%;
  width:26px;height:3px;
  border-radius:0 0 3px 3px;
  background:transparent;
  transform:translateX(-50%);
  transition:background-color .2s ease;
}
.mobile-tabbar a.active{color:var(--c-primary);}
.mobile-tabbar a.active::before{background:var(--c-primary);}

/* ============ 横幅小 KV ============ */
.page-banner{
  position:relative;
  min-height:300px;
  display:flex;
  align-items:center;
  background-color:var(--c-primary-dark);
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-banner::before{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(100deg,rgba(20,50,110,.90) 0%,rgba(20,50,110,.74) 46%,rgba(20,50,110,.42) 100%);
}
.banner-inner{position:relative;z-index:1;padding:56px 0 52px;max-width:760px;}
.banner-crumb{
  display:flex;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.78);
  margin-bottom:14px;
}
.banner-crumb a{color:rgba(255,255,255,.86);}
.banner-crumb a:hover{color:#fff;text-decoration:underline;}
.banner-crumb span.sep{opacity:.6;}
.banner-tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;
  border-radius:var(--r-pill);
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.24);
  color:#fff;
  font-size:12px;
  margin-bottom:14px;
}
.page-banner h1{color:#fff;margin-bottom:14px;}
.banner-lede{
  color:rgba(255,255,255,.86);
  font-size:17px;
  line-height:1.75;
  max-width:620px;
  margin-bottom:24px;
}
.banner-actions{display:flex;flex-wrap:wrap;gap:12px;}
.banner-actions .btn-outline{border-color:rgba(255,255,255,.7);color:#fff;}
.banner-actions .btn-outline:hover{background:rgba(255,255,255,.14);color:#fff;border-color:#fff;}

/* ============ 通用板块 ============ */
.section{padding:var(--sp-section) 0;}
.section-tight{padding:56px 0;}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head .eyebrow{
  display:inline-block;
  font-size:13px;
  font-weight:600;
  color:var(--c-primary);
  background:var(--c-primary-soft);
  border-radius:var(--r-pill);
  padding:3px 12px;
  margin-bottom:12px;
}
.section-head p{color:var(--c-text-2);margin:0;}
.section-alt{background:var(--c-surface);}

/* ============ 两栏：左侧窄栏 + 右侧列表 ============ */
.layout-split{padding-top:64px;}
.side-col{padding-right:8px;}
.side-panel{
  position:sticky;
  top:92px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-l);
  box-shadow:var(--sh-1);
  padding:24px 22px;
}
.side-panel h3{font-size:17px;margin-bottom:6px;}
.side-panel .side-note{font-size:13px;color:var(--c-text-3);margin-bottom:16px;line-height:1.7;}
.side-list{display:flex;flex-direction:column;gap:4px;}
.side-list a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 12px;
  border-radius:var(--r-m);
  font-size:14px;
  color:var(--c-text-2);
  border:1px solid transparent;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.side-list a i{font-size:12px;color:var(--c-text-3);transition:transform .2s ease;}
.side-list a:hover{background:var(--c-primary-soft);color:var(--c-primary-dark);border-color:#D6E3FB;}
.side-list a:hover i{transform:translateX(3px);color:var(--c-primary);}
.side-list a.is-current{background:var(--c-primary-soft);color:var(--c-primary);font-weight:600;border-color:#D6E3FB;}
.side-divider{height:1px;background:var(--c-line);margin:16px 0;}
.side-meta{font-size:13px;color:var(--c-text-3);line-height:1.8;}

.chip-scroll{
  display:none;
  gap:8px;
  overflow-x:auto;
  padding:4px 2px 12px;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:none;
}
.chip-scroll::-webkit-scrollbar{display:none;}
.chip-scroll a{
  flex:0 0 auto;
  padding:8px 14px;
  border-radius:var(--r-pill);
  background:var(--c-surface);
  border:1px solid var(--c-line);
  font-size:13px;
  color:var(--c-text-2);
  min-height:36px;
  display:inline-flex;
  align-items:center;
}
.chip-scroll a.is-current{background:var(--c-primary);border-color:var(--c-primary);color:#fff;}

/* ============ 横向图文列表行 ============ */
.list-stack{display:flex;flex-direction:column;}
.row-item{
  display:flex;
  gap:22px;
  padding:22px;
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-l);
  box-shadow:var(--sh-1);
  margin-bottom:18px;
  transition:transform .25s ease,box-shadow .25s ease,background-color .25s ease,border-color .25s ease;
}
.row-item:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-2);
  background:#FBFCFE;
}
.row-thumb{
  flex:0 0 40%;
  max-width:40%;
  border-radius:var(--r-m);
  overflow:hidden;
  aspect-ratio:4/3;
  background:var(--c-bg-deep);
}
.row-thumb img{
  width:100%;height:100%;object-fit:cover;
  transition:transform .35s ease;
}
.row-item:hover .row-thumb img{transform:scale(1.03);}
.row-body{flex:1 1 auto;min-width:0;display:flex;flex-direction:column;}
.row-top{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:10px;}
.badge{
  display:inline-flex;align-items:center;
  padding:3px 10px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:600;
  background:var(--c-primary-soft);
  color:var(--c-primary);
}
.badge-teal{background:rgba(18,165,148,.12);color:var(--c-teal);}
.badge-accent{background:rgba(255,122,47,.13);color:#D95F13;}
.row-body h3{font-size:18px;font-weight:600;margin-bottom:8px;line-height:1.5;}
.row-body h3 a{color:var(--c-text);}
.row-body h3 a:hover{color:var(--c-primary);}
.row-desc{
  font-size:15px;
  color:var(--c-text-2);
  line-height:1.75;
  margin:0 0 14px;
  display:-webkit-box;
  -webkit-line-clamp:2;
  -webkit-box-orient:vertical;
  overflow:hidden;
}
.row-foot{
  margin-top:auto;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--c-text-3);
  border-top:1px dashed var(--c-line);
  padding-top:12px;
}
.row-foot .meta-left{display:flex;align-items:center;gap:14px;flex-wrap:wrap;}
.row-foot .meta-left span{display:inline-flex;align-items:center;gap:6px;}
.row-link{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;
  font-weight:600;
  color:var(--c-primary);
  min-height:32px;
}
.row-link i{transition:transform .2s ease;}
.row-link:hover i{transform:translateX(4px);}

/* ============ 提示条 ============ */
.notice-bar{
  display:flex;
  gap:16px;
  align-items:flex-start;
  background:var(--c-primary-soft);
  border:1px solid #D6E3FB;
  border-radius:var(--r-l);
  padding:20px 22px;
  margin-bottom:28px;
}
.notice-bar .nb-icon{
  flex:0 0 40px;width:40px;height:40px;
  border-radius:12px;
  background:#fff;
  color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  font-size:18px;
}
.notice-bar h3{font-size:16px;margin-bottom:4px;}
.notice-bar p{font-size:14px;color:var(--c-text-2);margin:0;line-height:1.7;}

/* ============ 时间线 ============ */
.timeline{
  position:relative;
  display:grid;
  grid-template-columns:repeat(4,1fr);
  gap:24px;
  margin-top:8px;
}
.timeline::before{
  content:"";
  position:absolute;
  top:19px;left:6%;right:6%;
  height:2px;
  background:linear-gradient(90deg,var(--c-primary),var(--c-accent));
  opacity:.28;
  border-radius:2px;
}
.tl-step{position:relative;padding-top:0;}
.tl-dot{
  width:40px;height:40px;
  border-radius:50%;
  background:var(--c-surface);
  border:2px solid var(--c-primary);
  color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  font-weight:700;
  font-size:15px;
  margin-bottom:16px;
  position:relative;
  z-index:1;
  box-shadow:0 4px 12px rgba(27,91,216,.16);
}
.tl-step h3{font-size:16px;margin-bottom:6px;}
.tl-step p{font-size:14px;color:var(--c-text-2);line-height:1.75;margin:0;}

/* ============ 勾选清单 ============ */
.check-grid{
  display:grid;
  grid-template-columns:repeat(3,1fr);
  gap:16px;
  margin-top:8px;
}
.check-item{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-m);
  padding:18px 20px;
  display:flex;
  gap:12px;
  align-items:flex-start;
  box-shadow:var(--sh-1);
}
.check-item i{
  color:var(--c-teal);
  font-size:17px;
  margin-top:3px;
}
.check-item b{display:block;font-size:15px;margin-bottom:4px;}
.check-item span{font-size:13px;color:var(--c-text-2);line-height:1.7;}

/* ============ FAQ ============ */
.faq-wrap{max-width:880px;}
.faq-item{
  background:var(--c-surface);
  border:1px solid var(--c-line);
  border-radius:var(--r-m);
  margin-bottom:12px;
  box-shadow:var(--sh-1);
  overflow:hidden;
}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:18px 52px 18px 22px;
  font-size:16px;
  font-weight:600;
  position:relative;
  color:var(--c-text);
  transition:color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";
  position:absolute;
  right:20px;top:50%;
  transform:translateY(-50%) rotate(0deg);
  width:26px;height:26px;
  border-radius:50%;
  background:var(--c-primary-soft);
  color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  font-size:17px;
  font-weight:600;
  transition:transform .25s ease,background-color .2s ease;
}
.faq-item[open] summary::after{content:"−";transform:translateY(-50%) rotate(180deg);}
.faq-item summary:hover{color:var(--c-primary);}
.faq-body{
  padding:0 22px 20px;
  font-size:15px;
  color:var(--c-text-2);
  line-height:1.8;
  border-top:1px dashed var(--c-line);
  margin-top:0;
  padding-top:16px;
}
.faq-body p:last-child{margin-bottom:0;}

/* ============ CTA 横幅 ============ */
.cta-banner{
  background:linear-gradient(120deg,var(--c-primary-soft) 0%,#F2F7FF 62%,#FFF3EA 100%);
  border:1px solid #DCE7F8;
  border-radius:26px;
  padding:44px 40px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  flex-wrap:wrap;
}
.cta-banner h2{font-size:clamp(20px,2.6vw,26px);margin-bottom:8px;}
.cta-banner p{color:var(--c-text-2);margin:0;font-size:15px;max-width:560px;}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--c-bg-deep);
  border-top:1px solid var(--c-line);
  padding:56px 0 24px;
  margin-top:80px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:32px;
}
.footer-brand .logo{margin-bottom:14px;}
.footer-brand p{
  font-size:13px;
  color:var(--c-text-2);
  line-height:1.9;
  margin:0;
  max-width:340px;
}
.footer-col h4{
  font-size:14px;
  font-weight:700;
  margin-bottom:14px;
  color:var(--c-text);
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col ul a{
  font-size:13px;
  color:var(--c-text-2);
}
.footer-col ul a:hover{color:var(--c-primary);text-decoration:underline;}
.footer-bottom{
  margin-top:40px;
  padding-top:20px;
  border-top:1px solid var(--c-line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:14px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--c-text-3);
}

/* ============ 断点 ============ */
@media (max-width:1023px){
  :root{--sp-section:72px;}
  .nav-links{display:none;}
  .header-cta .btn{display:none;}
  .mobile-tabbar{display:block;}
  body{padding-bottom:64px;}
  .site-footer{margin-top:64px;}
  .timeline{grid-template-columns:repeat(2,1fr);gap:22px;}
  .timeline::before{display:none;}
  .check-grid{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .footer-brand{grid-column:1 / -1;}
  .side-panel{position:static;}
  .side-col{display:none;}
  .chip-scroll{display:flex;}
}
@media (max-width:639px){
  :root{--sp-section:52px;}
  .grid-container{padding-left:18px;padding-right:18px;}
  .logo-text b{font-size:14px;}
  .logo-text small{display:none;}
  .page-banner{min-height:270px;}
  .banner-inner{padding:44px 0 40px;}
  .banner-lede{font-size:15px;}
  .banner-actions .btn{width:100%;}
  .row-item{flex-direction:column;gap:14px;padding:16px;}
  .row-thumb{flex:0 0 auto;max-width:100%;width:100%;aspect-ratio:16/9;}
  .row-body h3{font-size:17px;}
  .timeline{grid-template-columns:1fr;gap:18px;}
  .tl-step{display:flex;gap:14px;}
  .tl-dot{margin-bottom:0;flex:0 0 40px;}
  .check-grid{grid-template-columns:1fr;}
  .cta-banner{padding:30px 22px;border-radius:20px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px;}
  .section{padding:52px 0;}
  .layout-split{padding-top:40px;}
}