/* roulang page: index */
:root{
  --c-primary:#2A4E8F;
  --c-primary-dark:#1D3A6E;
  --c-primary-hover:#23417A;
  --c-primary-light:#EDF2FB;
  --c-accent:#17A398;
  --c-accent-light:#E7F6F4;
  --c-highlight:#E8A33D;
  --c-ink:#16202E;
  --c-ink-2:#43536B;
  --c-ink-3:#7A8899;
  --c-bg:#F6F8FC;
  --c-card:#FFFFFF;
  --c-border:#E3E9F2;
  --c-danger:#C8453C;
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --r-badge:999px;
  --sh-sm:0 1px 2px rgba(22,32,46,.06);
  --sh-md:0 8px 24px rgba(42,78,143,.08);
  --sh-lg:0 18px 48px rgba(42,78,143,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-primary:#2A4E8F;
  --bs-primary-rgb:42,78,143;
  --bs-body-color:#16202E;
  --bs-body-bg:#F6F8FC;
  --bs-border-color:#E3E9F2;
  --bs-border-radius:10px;
  --bs-font-sans-serif:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--c-primary-hover);}
button,input{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--c-ink);letter-spacing:-0.01em;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(42,78,143,.28);outline-offset:2px;border-radius:6px;}

.wrap{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}
.section{padding:88px 0;}
.section.alt{padding:104px 0;}
.section-soft{background:#fff;}

/* ============ HEADER ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--c-border);
  transition:box-shadow .2s var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-md);}
.nav-inner{
  height:72px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:24px;
}
.brand{display:flex;align-items:center;gap:12px;color:var(--c-ink);}
.brand:hover{color:var(--c-ink);}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  background:linear-gradient(140deg,var(--c-primary) 0%,#3D68AC 100%);
  display:grid;grid-template-columns:1fr 1fr;gap:4px;padding:9px;
  box-shadow:var(--sh-md);
}
.brand-mark i{background:rgba(255,255,255,.92);border-radius:3px;display:block;}
.brand-mark i:nth-child(2){background:rgba(255,255,255,.55);}
.brand-mark i:nth-child(3){background:rgba(255,255,255,.55);}
.brand-mark i:nth-child(4){background:var(--c-accent);}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:18px;font-weight:700;letter-spacing:.01em;}
.brand-text em{font-size:11px;font-style:normal;color:var(--c-ink-3);letter-spacing:.06em;}

.nav-menu{display:flex;align-items:center;gap:28px;}
.nav-menu a{
  position:relative;
  display:inline-block;
  font-size:15px;font-weight:500;color:var(--c-ink-2);
  padding:6px 0;
}
.nav-menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  border-radius:2px;background:var(--c-primary);
  transform:scaleX(0);transform-origin:center;
  transition:transform .2s var(--ease);
}
.nav-menu a:hover{color:var(--c-primary);}
.nav-menu a:hover::after,
.nav-menu a.is-active::after{transform:scaleX(1);}
.nav-menu a.is-active{color:var(--c-primary);font-weight:600;}
.nav-right{display:flex;align-items:center;gap:20px;}

.btn-main,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;
  transition:all .2s var(--ease);cursor:pointer;border:1px solid transparent;
}
.btn-main{background:var(--c-primary);color:#fff;box-shadow:var(--sh-sm);}
.btn-main:hover{background:var(--c-primary-hover);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md);}
.btn-main:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:rgba(42,78,143,.45);}
.btn-ghost:hover{background:rgba(42,78,143,.06);color:var(--c-primary);border-color:var(--c-primary);}
.btn-light{background:#fff;color:var(--c-primary);}
.btn-light:hover{background:#EAF0FA;color:var(--c-primary-dark);transform:translateY(-1px);}
.btn-sm{height:42px;padding:0 20px;font-size:14px;}

.hamburger{
  display:none;
  width:44px;height:44px;border-radius:10px;
  border:1px solid var(--c-border);background:#fff;
  align-items:center;justify-content:center;cursor:pointer;
}
.hamburger i{color:var(--c-primary);font-size:18px;}

.drawer-mask{
  position:fixed;inset:0;background:rgba(22,32,46,.45);
  opacity:0;visibility:hidden;transition:opacity .25s var(--ease);z-index:1040;
}
.drawer-mask.show{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:340px;
  background:#fff;z-index:1050;transform:translateX(102%);
  transition:transform .3s var(--ease);
  display:flex;flex-direction:column;padding:20px;
  box-shadow:-12px 0 40px rgba(22,32,46,.16);
}
.drawer.show{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--c-border);}
.drawer-close{width:40px;height:40px;border-radius:10px;border:1px solid var(--c-border);background:#fff;color:var(--c-ink-2);cursor:pointer;}
.drawer nav{margin-top:8px;flex:1;}
.drawer nav a{
  display:flex;align-items:center;height:48px;padding:0 12px;
  font-size:15px;font-weight:500;color:var(--c-ink-2);border-radius:10px;
}
.drawer nav a:hover{background:var(--c-primary-light);color:var(--c-primary);}
.drawer nav a.is-active{background:var(--c-primary-light);color:var(--c-primary);font-weight:600;}
.drawer-cta{margin-top:12px;}

/* ============ HERO ============ */
.hero{
  position:relative;overflow:hidden;
  background:linear-gradient(180deg,#F2F7FE 0%,#F6F8FC 100%);
  padding:76px 0 84px;
}
.hero::before{
  content:"";position:absolute;right:-180px;top:-200px;width:540px;height:540px;border-radius:50%;
  background:radial-gradient(circle,rgba(42,78,143,.16) 0%,rgba(42,78,143,0) 70%);
  pointer-events:none;
}
.hero-grid{position:relative;display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:28px;padding:0 14px;border-radius:var(--r-badge);
  background:var(--c-primary-light);color:var(--c-primary);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.hero h1{
  margin-top:20px;
  font-size:clamp(30px,4.2vw,44px);
  line-height:1.25;font-weight:700;
}
.hero h1 span{color:var(--c-primary);}
.hero-sub{margin-top:18px;font-size:17px;line-height:1.75;color:var(--c-ink-2);max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:20px;margin-top:32px;}
.hero-badges li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--c-ink-2);}
.hero-badges i{color:var(--c-accent);font-size:15px;}

.hero-visual{position:relative;}
.hero-visual img{
  width:100%;height:420px;object-fit:cover;
  border-radius:20px;box-shadow:var(--sh-lg);
}
.float-card{
  position:absolute;background:rgba(255,255,255,.97);
  border:1px solid var(--c-border);border-radius:14px;
  padding:14px 16px;box-shadow:var(--sh-md);min-width:180px;
}
.float-card .fc-num{font-size:20px;font-weight:700;color:var(--c-primary);font-variant-numeric:tabular-nums;}
.float-card .fc-label{font-size:12px;color:var(--c-ink-3);margin-top:2px;}
.float-card.fc-1{left:-24px;bottom:56px;}
.float-card.fc-2{right:18px;top:-24px;}
.float-card.fc-2 .fc-num{color:var(--c-accent);}

/* ============ STATS ============ */
.stats{background:#fff;border-top:1px solid var(--c-border);border-bottom:1px solid var(--c-border);}
.stats-grid{
  display:grid;grid-template-columns:repeat(4,1fr);
  align-items:center;min-height:92px;
}
.stat{
  display:flex;flex-direction:column;gap:2px;
  padding:20px 24px;border-left:1px solid var(--c-border);
}
.stat:first-child{border-left:0;}
.stat b{font-size:28px;font-weight:700;color:var(--c-primary);font-variant-numeric:tabular-nums;line-height:1.2;}
.stat span{font-size:13px;color:var(--c-ink-3);}

/* ============ SECTION HEAD ============ */
.sec-head{max-width:680px;margin-bottom:44px;}
.sec-tag{
  display:inline-block;font-size:12px;font-weight:600;letter-spacing:.08em;
  color:var(--c-accent);text-transform:uppercase;margin-bottom:12px;
}
.sec-head h2{font-size:clamp(24px,3vw,32px);line-height:1.3;font-weight:700;}
.sec-head p{margin-top:14px;color:var(--c-ink-2);font-size:16px;}

/* ============ FEATURES ============ */
.feature-main{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);
  padding:28px;height:100%;box-shadow:var(--sh-md);
  display:flex;flex-direction:column;
  transition:box-shadow .2s var(--ease),transform .2s var(--ease);
}
.feature-main:hover{box-shadow:var(--sh-lg);transform:translateY(-4px);}
.feature-main img{width:100%;height:210px;object-fit:cover;border-radius:var(--r-img);margin-bottom:22px;}
.feature-main h3{font-size:21px;font-weight:600;margin-bottom:12px;}
.feature-main p{color:var(--c-ink-2);font-size:15px;margin-bottom:8px;}
.feature-main .link-more{margin-top:auto;padding-top:18px;}
.link-more{
  display:inline-flex;align-items:center;gap:6px;
  font-size:14px;font-weight:600;color:var(--c-primary);
  border-bottom:1px solid rgba(42,78,143,.5);padding-bottom:2px;
}
.link-more:hover{border-bottom-width:2px;color:var(--c-primary-hover);}

.mini-card{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);
  padding:24px;height:100%;box-shadow:var(--sh-sm);
  transition:box-shadow .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease);
}
.mini-card:hover{box-shadow:var(--sh-md);transform:translateY(-4px);}
.mini-card .mc-icon{
  width:42px;height:42px;border-radius:12px;background:var(--c-primary-light);
  display:flex;align-items:center;justify-content:center;margin-bottom:16px;
}
.mini-card .mc-icon i{color:var(--c-primary);font-size:17px;}
.mini-card h4{font-size:17px;font-weight:600;margin-bottom:8px;}
.mini-card p{font-size:14px;color:var(--c-ink-2);line-height:1.7;}

/* ============ STEPS ============ */
.steps{background:#fff;}
.steps-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;}
.step{
  position:relative;padding:28px 24px 26px;
  border:1px solid var(--c-border);border-radius:var(--r-card);
  background:#fff;overflow:hidden;
  transition:box-shadow .2s var(--ease),transform .2s var(--ease);
}
.step:hover{box-shadow:var(--sh-md);transform:translateY(-4px);}
.step .step-num{
  position:absolute;right:12px;top:-6px;
  font-size:64px;font-weight:800;line-height:1;
  color:rgba(42,78,143,.08);font-variant-numeric:tabular-nums;
}
.step h4{position:relative;font-size:17px;font-weight:600;margin-bottom:10px;}
.step p{position:relative;font-size:14px;color:var(--c-ink-2);}
.step-line{
  position:absolute;top:52px;left:0;right:0;height:1px;
  border-top:1px dashed rgba(42,78,143,.28);z-index:0;
}

/* ============ CASE ============ */
.case-card{
  display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);
  padding:32px;box-shadow:var(--sh-md);
}
.case-card img{width:100%;height:320px;object-fit:cover;border-radius:var(--r-img);}
.case-card h3{font-size:22px;font-weight:600;margin-bottom:14px;}
.case-card p{color:var(--c-ink-2);font-size:15px;margin-bottom:12px;}
.case-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--r-badge);font-size:12px;font-weight:500;
  background:var(--c-primary-light);color:var(--c-primary);
}
.tag.green{background:var(--c-accent-light);color:#0E7C74;}
.tag.gray{background:#EEF1F6;color:var(--c-ink-2);}

.quote-bar{
  display:flex;flex-wrap:wrap;gap:20px;margin-top:24px;
}
.quote{
  flex:1 1 280px;display:flex;align-items:center;gap:14px;
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);
  padding:18px 20px;box-shadow:var(--sh-sm);
}
.quote img{width:40px;height:40px;border-radius:50%;object-fit:cover;flex:none;}
.quote .q-name{font-size:14px;font-weight:600;}
.quote .q-text{font-size:13px;color:var(--c-ink-2);line-height:1.6;}
.quote .q-star{margin-left:auto;color:var(--c-highlight);font-size:12px;white-space:nowrap;}

/* ============ PLANS ============ */
.plans{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start;}
.plan{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-sm);
  transition:box-shadow .2s var(--ease),transform .2s var(--ease);
}
.plan:hover{box-shadow:var(--sh-md);}
.plan.recommend{
  border:1.5px solid var(--c-primary);
  box-shadow:var(--sh-lg);
  transform:translateY(-8px);
  position:relative;
}
.plan .plan-label{
  position:absolute;left:28px;top:-13px;
  height:26px;padding:0 12px;border-radius:var(--r-badge);
  background:var(--c-highlight);color:#fff;
  font-size:12px;font-weight:600;display:inline-flex;align-items:center;
}
.plan h3{font-size:18px;font-weight:600;margin-bottom:6px;}
.plan .plan-desc{font-size:13px;color:var(--c-ink-3);margin-bottom:20px;}
.plan .plan-price{font-size:32px;font-weight:700;color:var(--c-primary);font-variant-numeric:tabular-nums;line-height:1.1;}
.plan .plan-price small{font-size:14px;font-weight:500;color:var(--c-ink-3);margin-left:4px;}
.plan ul{margin:22px 0 24px;display:flex;flex-direction:column;gap:12px;}
.plan li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:var(--c-ink-2);}
.plan li i{color:var(--c-primary);font-size:13px;margin-top:5px;}
.plan .btn-main,.plan .btn-ghost{width:100%;}

/* ============ NEWS ============ */
.news-main{
  background:#fff;border:1px solid var(--c-border);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-md);height:100%;
  display:flex;flex-direction:column;
  transition:box-shadow .2s var(--ease),transform .2s var(--ease);
}
.news-main:hover{box-shadow:var(--sh-lg);transform:translateY(-4px);}
.news-cover{overflow:hidden;}
.news-cover img{width:100%;height:220px;object-fit:cover;transition:transform .2s var(--ease);}
.news-main:hover .news-cover img{transform:scale(1.03);}
.news-main-body{padding:26px;display:flex;flex-direction:column;flex:1;}
.badge-soft{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;
  border-radius:var(--r-badge);background:var(--c-primary-light);color:var(--c-primary);
  font-size:12px;font-weight:500;align-self:flex-start;
}
.news-title{font-size:20px;font-weight:600;line-height:1.45;margin:14px 0 10px;}
.news-title a{color:var(--c-ink);}
.news-title a:hover{color:var(--c-primary);}
.news-sum{font-size:14px;color:var(--c-ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-meta{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:18px;font-size:13px;color:var(--c-ink-3);
}
.news-mini-list{display:flex;flex-direction:column;gap:16px;height:100%;}
.news-mini{
  display:flex;gap:16px;background:#fff;border:1px solid var(--c-border);
  border-radius:var(--r-card);padding:18px;box-shadow:var(--sh-sm);
  transition:box-shadow .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease);
}
.news-mini:hover{box-shadow:var(--sh-md);transform:translateY(-4px);}
.news-mini .nm-idx{
  width:38px;height:38px;flex:none;border-radius:10px;
  background:var(--c-primary-light);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;
}
.news-mini h4{font-size:16px;font-weight:600;line-height:1.5;margin-bottom:6px;}
.news-mini h4 a{color:var(--c-ink);}
.news-mini h4 a:hover{color:var(--c-primary);}
.news-mini p{font-size:13px;color:var(--c-ink-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.news-mini .nm-meta{font-size:12px;color:var(--c-ink-3);margin-top:8px;}
.news-pager{margin-top:32px;}

.empty-state{
  min-height:240px;background:#fff;border:1px dashed var(--c-border);border-radius:var(--r-card);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  text-align:center;padding:32px;
}
.empty-state i{font-size:48px;color:rgba(42,78,143,.3);}
.empty-state p{font-size:16px;color:var(--c-ink-2);}

/* ============ FAQ ============ */
.faq-acc .accordion-item{
  background:#fff;border:1px solid var(--c-border);
  border-radius:12px;margin-bottom:12px;overflow:hidden;
}
.faq-acc .accordion-button{
  font-size:16px;font-weight:600;color:var(--c-ink);
  background:#fff;padding:20px 24px;box-shadow:none;
  border-radius:12px;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.faq-acc .accordion-button::after{
  content:"+";background-image:none;
  width:24px;height:24px;font-size:20px;line-height:1;font-weight:400;
  display:flex;align-items:center;justify-content:center;
  color:var(--c-primary);transition:transform .2s var(--ease);
}
.faq-acc .accordion-button:not(.collapsed){
  background:var(--c-primary-light);color:var(--c-primary);
  box-shadow:inset 3px 0 0 var(--c-primary);
}
.faq-acc .accordion-button:not(.collapsed)::after{transform:rotate(45deg);}
.faq-acc .accordion-button:focus{box-shadow:none;}
.faq-acc .accordion-body{
  padding:4px 24px 22px;font-size:15px;color:var(--c-ink-2);line-height:1.8;
}

/* ============ CTA ============ */
.cta-band{
  background:var(--c-primary-dark);
  color:#fff;padding:64px 0;
}
.cta-inner{max-width:720px;margin:0 auto;text-align:center;}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.6vw,28px);font-weight:700;}
.cta-inner p{color:rgba(255,255,255,.72);font-size:15px;margin:14px 0 26px;}

/* ============ FOOTER ============ */
.site-footer{background:var(--c-primary-dark);color:rgba(255,255,255,.72);padding:64px 0 32px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-text strong{color:#fff;font-size:18px;}
.footer-brand .brand-text em{color:rgba(255,255,255,.6);}
.footer-brand .brand-mark{box-shadow:none;}
.site-footer p{font-size:14px;line-height:1.8;}
.footer-col h4{color:#fff;font-size:14px;font-weight:600;margin-bottom:18px;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{color:rgba(255,255,255,.72);font-size:14px;}
.footer-col a:hover{color:#fff;text-decoration:underline;}
.footer-contact li{font-size:14px;display:flex;gap:10px;align-items:flex-start;line-height:1.7;}
.footer-contact i{color:var(--c-accent);margin-top:5px;font-size:13px;}
.footer-qr{
  margin-top:18px;width:96px;height:96px;border-radius:12px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;
  font-size:11px;color:rgba(255,255,255,.6);
}
.footer-qr i{font-size:26px;color:rgba(255,255,255,.75);}
.footer-bottom{
  margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ============ RESPONSIVE ============ */
@media (max-width:1199px){
  .wrap{padding:0 28px;}
  .nav-menu{gap:22px;}
}
@media (max-width:1024px){
  .nav-menu,.nav-right .btn-main{display:none;}
  .hamburger{display:flex;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-visual img{height:360px;}
  .float-card.fc-1{left:12px;bottom:-18px;}
  .float-card.fc-2{right:12px;top:-18px;}
  .steps-grid{grid-template-columns:repeat(2,1fr);}
  .step-line{display:none;}
  .feature-main img{height:190px;}
  .plans{grid-template-columns:1fr;}
  .plan.recommend{transform:none;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  .section{padding:64px 0;}
  .section.alt{padding:72px 0;}
  .wrap{padding:0 20px;}
  .hero{padding:48px 0 64px;}
  .hero-visual img{height:280px;}
  .hero-actions{flex-direction:column;align-items:stretch;}
  .hero-actions .btn-main,.hero-actions .btn-ghost{width:100%;}
  .stats-grid{grid-template-columns:repeat(2,1fr);min-height:0;}
  .stat{border-left:0;border-top:1px solid var(--c-border);padding:18px 20px;}
  .stat:nth-child(-n+2){border-top:0;}
  .stat:nth-child(even){border-left:1px solid var(--c-border);}
  .case-card{grid-template-columns:1fr;padding:24px;gap:24px;}
  .case-card img{height:230px;}
  .quote-bar{flex-direction:column;}
  .steps-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:32px;}
  .news-mini{flex-direction:row;}
}
@media (max-width:520px){
  body{font-size:15px;}
  .brand-text strong{font-size:16px;}
  .brand-text em{font-size:10px;}
  .hero-visual img{height:230px;}
  .float-card{min-width:auto;padding:10px 12px;}
  .float-card.fc-1{left:-6px;bottom:-14px;}
  .float-card.fc-2{right:-6px;top:-14px;}
  .float-card .fc-num{font-size:17px;}
  .feature-main,.mini-card,.plan,.news-main-body{padding:20px;}
  .btn-main,.btn-ghost{height:44px;}
  .stat b{font-size:24px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category1 */
:root{
  --c-primary:#2A4E8F;
  --c-primary-dark:#1D3A6E;
  --c-primary-deep:#23417A;
  --c-primary-light:#EDF2FB;
  --c-accent:#17A398;
  --c-accent-light:#E6F6F4;
  --c-highlight:#E8A33D;
  --c-ink:#16202E;
  --c-ink-2:#43536B;
  --c-muted:#7A8899;
  --c-bg:#F6F8FC;
  --c-card:#FFFFFF;
  --c-line:#E3E9F2;
  --r-card:16px;
  --r-btn:10px;
  --r-input:10px;
  --r-img:12px;
  --r-mask:20px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(22,32,46,.06);
  --sh-md:0 8px 24px rgba(42,78,143,.08);
  --sh-lg:0 18px 48px rgba(42,78,143,.12);
  --ease:200ms cubic-bezier(.2,.7,.3,1);
  --header-h:72px;

  --bs-body-font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  --bs-body-color:var(--c-ink);
  --bs-body-bg:var(--c-bg);
  --bs-border-color:var(--c-line);
  --bs-border-radius:12px;
  --bs-primary:var(--c-primary);
  --bs-link-color:var(--c-primary);
  --bs-link-hover-color:var(--c-primary-deep);
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--bs-body-font-family);
  font-size:16px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color var(--ease),border-color var(--ease),background-color var(--ease);}
a:hover{color:var(--c-primary-deep);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--c-ink);letter-spacing:0;}
h1{font-size:clamp(30px,4.2vw,44px);line-height:1.25;font-weight:700;letter-spacing:-.01em;}
h2{font-size:clamp(24px,3vw,32px);line-height:1.3;font-weight:700;}
h3{font-size:20px;line-height:1.4;font-weight:600;}
h4{font-size:17px;line-height:1.5;font-weight:600;}
p{margin:0 0 1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(42,78,143,.25);outline-offset:2px;border-radius:6px;}

.wrap{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 32px;
}
@media (min-width:1600px){ .wrap{max-width:1280px;} }
@media (max-width:991px){ .wrap{padding:0 24px;} }
@media (max-width:575px){ .wrap{padding:0 20px;} }

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1000;
  background:#fff;
  border-bottom:1px solid var(--c-line);
  transition:box-shadow var(--ease);
}
.site-header.is-scrolled{box-shadow:var(--sh-md);}
.header-inner{
  height:var(--header-h);
  display:flex;
  align-items:center;
  gap:28px;
}
.site-logo{
  display:flex;
  align-items:center;
  gap:11px;
  flex-shrink:0;
  color:var(--c-ink);
}
.site-logo:hover{color:var(--c-ink);}
.brand-mark{
  width:38px;height:38px;flex-shrink:0;
  display:grid;grid-template-columns:1fr 1fr;grid-template-rows:1fr 1fr;gap:3px;
  padding:7px;
  background:var(--c-primary-light);
  border:1px solid rgba(42,78,143,.16);
  border-radius:11px;
}
.brand-mark i{background:var(--c-primary);border-radius:2px;display:block;}
.brand-mark i:nth-child(2){background:var(--c-accent);}
.brand-mark i:nth-child(3){background:var(--c-primary);opacity:.45;}
.brand-mark i:nth-child(4){background:var(--c-highlight);}
.brand-text{display:flex;flex-direction:column;line-height:1.05;}
.brand-text strong{font-size:18px;font-weight:700;letter-spacing:-.01em;}
.brand-text em{font-size:11px;font-style:normal;color:var(--c-muted);letter-spacing:.06em;margin-top:2px;}

.nav-menu{display:flex;align-items:center;gap:28px;margin-left:auto;}
.nav-menu a{
  position:relative;
  font-size:15px;
  font-weight:500;
  color:var(--c-ink-2);
  padding:6px 0;
  min-height:44px;
  display:inline-flex;
  align-items:center;
}
.nav-menu a::after{
  content:"";
  position:absolute;left:0;right:0;bottom:6px;height:2px;
  background:var(--c-primary);
  border-radius:2px;
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--ease);
}
.nav-menu a:hover{color:var(--c-primary);}
.nav-menu a:hover::after{transform:scaleX(.55);}
.nav-menu a.is-active{color:var(--c-primary);font-weight:600;}
.nav-menu a.is-active::after{transform:scaleX(1);width:22px;right:auto;}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;transition:all var(--ease);white-space:nowrap;}
.btn-primary{background:var(--c-primary);color:#fff;box-shadow:var(--sh-sm);}
.btn-primary:hover{background:var(--c-primary-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:rgba(42,78,143,.45);}
.btn-ghost:hover{background:rgba(42,78,143,.06);color:var(--c-primary-deep);border-color:var(--c-primary);}
.btn-light{background:#fff;color:var(--c-primary-dark);}
.btn-light:hover{background:#fff;color:var(--c-primary);transform:translateY(-1px);box-shadow:var(--sh-md);}
.btn-sm{height:38px;padding:0 18px;font-size:14px;}
.nav-cta{margin-left:4px;height:42px;font-size:14px;}

.nav-toggle{
  display:none;
  width:44px;height:44px;margin-left:auto;
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-btn);
  color:var(--c-primary);font-size:17px;align-items:center;justify-content:center;
}
.nav-toggle:hover{border-color:rgba(42,78,143,.45);}

.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:340px;
  background:#fff;z-index:1200;
  transform:translateX(102%);
  transition:transform var(--ease);
  display:flex;flex-direction:column;
  padding:20px;
  box-shadow:var(--sh-lg);
}
.drawer-mask{
  position:fixed;inset:0;background:rgba(22,32,46,.45);
  opacity:0;visibility:hidden;z-index:1100;transition:all var(--ease);
}
body.nav-open .nav-drawer{transform:translateX(0);}
body.nav-open .drawer-mask{opacity:1;visibility:visible;}
body.nav-open{overflow:hidden;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--c-line);}
.drawer-close{width:40px;height:40px;border:1px solid var(--c-line);background:#fff;border-radius:var(--r-btn);color:var(--c-ink-2);}
.drawer-nav{display:flex;flex-direction:column;padding:14px 0;flex:1;overflow-y:auto;}
.drawer-nav a{
  min-height:48px;display:flex;align-items:center;
  font-size:15px;font-weight:500;color:var(--c-ink-2);
  border-bottom:1px solid var(--c-line);
}
.drawer-nav a.is-active{color:var(--c-primary);font-weight:600;}
.drawer-cta{margin-top:auto;width:100%;}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0;}
.section.alt{padding:104px 0;}
.section-head{max-width:760px;margin-bottom:36px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:26px;padding:0 12px;border-radius:var(--r-pill);
  background:var(--c-primary-light);color:var(--c-primary);
  font-size:12px;font-weight:500;letter-spacing:.02em;margin-bottom:16px;
}
.eyebrow.accent{background:var(--c-accent-light);color:#0F7A72;}
.section-head p{color:var(--c-ink-2);font-size:16px;margin-top:12px;}
.section-head h2{margin-bottom:0;}

/* ---------- Hero ---------- */
.page-hero{
  position:relative;
  background:var(--c-bg);
  overflow:hidden;
  border-bottom:1px solid var(--c-line);
}
.page-hero::before{
  content:"";
  position:absolute;top:-160px;right:-120px;width:520px;height:520px;
  background:radial-gradient(circle,rgba(42,78,143,.14),rgba(42,78,143,0) 68%);
  pointer-events:none;
}
.hero-inner{
  position:relative;
  display:grid;grid-template-columns:7fr 5fr;gap:40px;align-items:center;
  min-height:336px;max-height:380px;
  padding:48px 0;
}
.hero-copy h1{margin-bottom:14px;}
.hero-copy .lede{font-size:17px;color:var(--c-ink-2);max-width:520px;margin-bottom:24px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center;}
.hero-note{display:flex;flex-wrap:wrap;gap:18px;margin-top:22px;}
.hero-note span{display:inline-flex;align-items:center;gap:7px;font-size:13px;color:var(--c-muted);}
.hero-note i{color:var(--c-accent);}
.hero-media{border-radius:var(--r-mask);overflow:hidden;box-shadow:var(--sh-md);border:1px solid var(--c-line);}
.hero-media img{width:100%;height:246px;object-fit:cover;border-radius:var(--r-mask);}

/* ---------- 锚点跳转条 ---------- */
.anchor-bar{
  position:sticky;top:var(--header-h);z-index:900;
  background:rgba(255,255,255,.97);
  border-bottom:1px solid var(--c-line);
  backdrop-filter:blur(6px);
}
.anchor-scroll{
  display:flex;align-items:center;gap:10px;
  height:56px;overflow-x:auto;white-space:nowrap;
  scrollbar-width:none;
}
.anchor-scroll::-webkit-scrollbar{display:none;}
.anchor-scroll a{
  display:inline-flex;align-items:center;height:34px;padding:0 16px;
  border-radius:var(--r-pill);border:1px solid var(--c-line);
  font-size:14px;color:var(--c-ink-2);background:#fff;
}
.anchor-scroll a:hover{border-color:rgba(42,78,143,.45);color:var(--c-primary);}
.anchor-scroll a.is-active{background:var(--c-primary-light);border-color:rgba(42,78,143,.28);color:var(--c-primary);font-weight:600;}
.anchor-lead{font-size:13px;color:var(--c-muted);margin-right:6px;flex-shrink:0;}

/* ---------- 分步图文卡 ---------- */
.step-list{display:flex;flex-direction:column;gap:24px;}
.step-card{
  position:relative;
  display:grid;grid-template-columns:repeat(12,1fr);gap:24px;align-items:center;
  background:var(--c-card);
  border:1px solid var(--c-line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-md);
  padding:28px;
  transition:box-shadow var(--ease),border-color var(--ease),transform var(--ease);
}
.step-card:hover{box-shadow:var(--sh-lg);border-color:rgba(42,78,143,.22);transform:translateY(-3px);}
.step-card .step-num{
  position:absolute;top:10px;right:22px;
  font-size:76px;font-weight:700;line-height:1;
  color:rgba(42,78,143,.08);
  font-variant-numeric:tabular-nums;
  pointer-events:none;
}
.step-media{grid-column:span 4;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--c-line);}
.step-media img{width:100%;height:196px;object-fit:cover;border-radius:var(--r-img);transition:transform var(--ease);}
.step-card:hover .step-media img{transform:scale(1.03);}
.step-body{grid-column:span 8;position:relative;z-index:1;}
.step-body h3{margin-bottom:10px;}
.step-body p{color:var(--c-ink-2);font-size:15px;margin-bottom:14px;}
.step-tags{display:flex;flex-wrap:wrap;gap:8px;}
.step-card.is-reverse .step-media{order:2;}
.step-card.is-reverse .step-body{order:1;}

.tag{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--r-pill);font-size:12px;font-weight:500;}
.tag-primary{background:var(--c-primary-light);color:var(--c-primary);}
.tag-accent{background:var(--c-accent-light);color:#0F7A72;}
.tag-neutral{background:#EEF1F6;color:var(--c-ink-2);}

/* ---------- 清单 + 对照 ---------- */
.check-grid{display:grid;grid-template-columns:6fr 6fr;gap:24px;align-items:start;}
.panel{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-md);padding:28px;
}
.panel-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px;}
.panel-head h3{margin:0;}
.check-item{display:flex;gap:14px;padding:14px 0;border-bottom:1px dashed var(--c-line);}
.check-item:last-child{border-bottom:0;padding-bottom:0;}
.check-item .ico{
  width:26px;height:26px;flex-shrink:0;border-radius:8px;
  background:var(--c-accent-light);color:#0F7A72;
  display:flex;align-items:center;justify-content:center;font-size:12px;margin-top:3px;
}
.check-item h4{font-size:15px;margin-bottom:4px;}
.check-item p{font-size:14px;color:var(--c-ink-2);line-height:1.65;margin:0;}

.meter{margin-bottom:20px;}
.meter:last-child{margin-bottom:0;}
.meter-top{display:flex;justify-content:space-between;font-size:14px;margin-bottom:8px;}
.meter-top strong{font-weight:600;color:var(--c-ink);}
.meter-top span{color:var(--c-muted);font-variant-numeric:tabular-nums;}
.meter-bar{height:8px;border-radius:var(--r-pill);background:#EEF1F6;overflow:hidden;}
.meter-bar i{display:block;height:100%;border-radius:var(--r-pill);background:var(--c-primary);}
.meter-bar i.ok{background:var(--c-accent);}
.meter-bar i.hl{background:var(--c-highlight);}

/* ---------- 提示对照列表 ---------- */
.notice-list{display:flex;flex-direction:column;gap:12px;}
.notice-item{
  display:grid;grid-template-columns:180px 1fr auto;gap:18px;align-items:center;
  background:var(--c-card);border:1px solid var(--c-line);border-radius:14px;
  padding:18px 22px;transition:box-shadow var(--ease),border-color var(--ease);
}
.notice-item:hover{box-shadow:var(--sh-md);border-color:rgba(42,78,143,.22);}
.notice-item .code{font-size:14px;font-weight:600;color:var(--c-primary);}
.notice-item .desc{font-size:14px;color:var(--c-ink-2);}
.notice-item .state{font-size:12px;}

/* ---------- 注意事项条 ---------- */
.notice-bar{
  border-left:3px solid var(--c-primary);
  background:var(--c-primary-light);
  border-radius:0 12px 12px 0;
  padding:20px 24px;
  display:flex;gap:14px;align-items:flex-start;
  margin-top:32px;
}
.notice-bar i{color:var(--c-primary);font-size:16px;margin-top:4px;}
.notice-bar p{font-size:14px;color:var(--c-ink-2);margin:0;}

/* ---------- FAQ ---------- */
.faq-acc .accordion-item{
  background:#fff;border:1px solid var(--c-line);border-radius:12px;
  margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-sm);
  transition:box-shadow var(--ease),border-color var(--ease);
}
.faq-acc .accordion-item:hover{box-shadow:var(--sh-md);border-color:rgba(42,78,143,.22);}
.faq-acc .accordion-button{
  background:#fff;color:var(--c-ink);font-size:16px;font-weight:600;
  padding:20px 24px;box-shadow:none;border-radius:12px;
}
.faq-acc .accordion-button:not(.collapsed){
  color:var(--c-primary);background:var(--c-primary-light);
  box-shadow:inset 3px 0 0 var(--c-primary);
}
.faq-acc .accordion-button:focus{box-shadow:inset 3px 0 0 var(--c-primary);}
.faq-acc .accordion-button::after{
  background-image:none;content:"\f067";font-family:"Font Awesome 6 Free";font-weight:900;
  width:auto;height:auto;font-size:13px;color:var(--c-primary);
  transition:transform var(--ease);
}
.faq-acc .accordion-button:not(.collapsed)::after{transform:rotate(45deg);}
.faq-acc .accordion-body{padding:4px 24px 22px;font-size:15px;color:var(--c-ink-2);line-height:1.8;}

/* ---------- CTA 带 ---------- */
.cta-band{
  background:linear-gradient(rgba(29,58,110,.92),rgba(29,58,110,.92)),url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  color:#fff;
  padding:64px 0;
}
.cta-inner{max-width:720px;margin:0 auto;text-align:center;}
.cta-inner h2{color:#fff;margin-bottom:14px;}
.cta-inner p{color:rgba(255,255,255,.78);font-size:15px;margin-bottom:26px;}
.cta-meta{display:flex;justify-content:center;flex-wrap:wrap;gap:24px;margin-top:22px;}
.cta-meta span{font-size:13px;color:rgba(255,255,255,.66);display:inline-flex;align-items:center;gap:7px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary-dark);color:rgba(255,255,255,.72);padding:64px 0 32px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:36px;}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
.footer-brand .brand-mark{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.18);}
.footer-brand .brand-mark i:nth-child(3){background:#fff;opacity:.55;}
.footer-brand .brand-text strong{color:#fff;}
.footer-brand .brand-text em{color:rgba(255,255,255,.6);}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);max-width:340px;}
.footer-col h4{font-size:14px;color:#fff;font-weight:600;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:rgba(255,255,255,.72);}
.footer-col a:hover{color:#fff;text-decoration:underline;text-underline-offset:3px;}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.7;}
.footer-contact i{color:rgba(255,255,255,.55);margin-top:5px;}
.footer-qr{
  display:inline-flex;align-items:center;gap:10px;margin-top:16px;
  padding:10px 14px;border:1px dashed rgba(255,255,255,.28);border-radius:12px;
  font-size:13px;color:rgba(255,255,255,.72);
}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-menu{gap:20px;}
  .nav-menu a{font-size:14px;}
}
@media (max-width:991px){
  .nav-menu,.nav-cta{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero-inner{grid-template-columns:1fr;gap:28px;max-height:none;min-height:0;padding:40px 0;}
  .hero-media img{height:220px;}
  .check-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .step-card .step-num{font-size:58px;}
  .section{padding:72px 0;}
  .section.alt{padding:72px 0;}
}
@media (max-width:767px){
  .step-card{grid-template-columns:1fr;gap:18px;padding:20px;}
  .step-media,.step-body{grid-column:span 12;}
  .step-card.is-reverse .step-media{order:1;}
  .step-card.is-reverse .step-body{order:2;}
  .step-media img{height:180px;}
  .notice-item{grid-template-columns:1fr;gap:8px;}
  .notice-item .state{justify-self:start;}
}
@media (max-width:575px){
  :root{--header-h:60px;}
  body{font-size:16px;}
  .brand-text strong{font-size:16px;}
  .hero-inner{padding:32px 0;}
  .hero-media img{height:186px;}
  .hero-copy .lede{font-size:16px;}
  .btn{height:44px;width:100%;}
  .hero-actions{gap:10px;}
  .nav-drawer .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .panel{padding:20px;}
  .site-footer{padding:48px 0 28px;}
  .cta-band{padding:48px 0;}
  .step-card .step-num{font-size:48px;top:6px;right:14px;}
}

/* roulang page: article */
:root{
  --c-primary:#2A4E8F;
  --c-primary-deep:#1D3A6E;
  --c-primary-hover:#23417A;
  --c-primary-soft:#EDF2FB;
  --c-accent:#17A398;
  --c-accent-soft:#E6F6F4;
  --c-highlight:#E8A33D;
  --c-ink:#16202E;
  --c-ink-2:#43536B;
  --c-ink-3:#7A8899;
  --c-bg:#F6F8FC;
  --c-card:#FFFFFF;
  --c-line:#E3E9F2;
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --r-hero:20px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(22,32,46,.06);
  --sh-md:0 8px 24px rgba(42,78,143,.08);
  --sh-lg:0 18px 48px rgba(42,78,143,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-primary:#2A4E8F;
  --bs-body-color:#43536B;
  --bs-body-bg:#F6F8FC;
  --bs-border-radius:16px;
  --bs-font-sans-serif:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink-2);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--c-primary);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--c-primary-hover);}
button{font-family:inherit;}
h1,h2,h3,h4{color:var(--c-ink);margin:0;font-weight:700;letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;}
:focus-visible{outline:3px solid rgba(42,78,143,.25);outline-offset:2px;border-radius:6px;}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
@media (min-width:1600px){.wrap{max-width:1280px;}}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--c-line);transition:box-shadow .25s var(--ease);}
.site-header.is-scrolled{box-shadow:var(--sh-md);}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none;}
.brand-mark{width:34px;height:34px;border-radius:10px;background:linear-gradient(135deg,#2A4E8F,#3F6BB8);display:grid;grid-template-columns:1fr 1fr;gap:3px;padding:7px;flex:none;}
.brand-mark i{display:block;background:rgba(255,255,255,.92);border-radius:2px;}
.brand-mark i:nth-child(2){opacity:.5;}
.brand-mark i:nth-child(3){opacity:.5;}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:18px;font-weight:700;color:var(--c-ink);letter-spacing:-.01em;}
.brand-text em{font-size:11px;font-style:normal;color:var(--c-ink-3);letter-spacing:.08em;}
.nav-menu{display:flex;align-items:center;gap:28px;}
.nav-menu a{position:relative;font-size:15px;font-weight:500;color:var(--c-ink-2);padding:6px 0;text-decoration:none;transition:color .2s var(--ease);}
.nav-menu a::after{content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;border-radius:2px;background:var(--c-primary);transform:scaleX(0);transform-origin:left;transition:transform .2s var(--ease);}
.nav-menu a:hover{color:var(--c-primary);}
.nav-menu a:hover::after{transform:scaleX(1);}
.nav-menu a.is-active{color:var(--c-primary);font-weight:600;}
.nav-menu a.is-active::after{transform:scaleX(1);}
.nav-toggle{display:none;width:44px;height:44px;align-items:center;justify-content:center;background:#fff;border:1px solid var(--c-line);border-radius:10px;color:var(--c-primary);font-size:17px;cursor:pointer;}
.nav-toggle:hover{border-color:rgba(42,78,143,.35);}
.nav-mask{position:fixed;inset:0;background:rgba(22,32,46,.45);z-index:1035;}
@media (max-width:991.98px){
  .header-inner{height:60px;}
  .nav-toggle{display:inline-flex;}
  .nav-menu{position:fixed;top:0;right:0;height:100vh;width:84vw;max-width:340px;background:#fff;flex-direction:column;align-items:stretch;gap:0;padding:72px 20px 24px;box-shadow:var(--sh-lg);transform:translateX(100%);transition:transform .25s var(--ease);z-index:1040;overflow-y:auto;}
  .nav-menu.is-open{transform:translateX(0);}
  .nav-menu a{display:flex;align-items:center;height:48px;font-size:16px;border-bottom:1px solid var(--c-line);padding:0;}
  .nav-menu a::after{display:none;}
}

/* ---------- breadcrumb ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;line-height:1.6;color:var(--c-ink-3);padding:20px 0;}
.crumb a{color:var(--c-ink-3);}
.crumb a:hover{color:var(--c-primary);}
.crumb .sep{color:#C6D0DE;}
.crumb .current{color:var(--c-primary);font-weight:500;}

/* ---------- article head ---------- */
.article-head{padding:4px 0 32px;border-bottom:1px solid var(--c-line);}
.article-head h1{font-size:clamp(28px,3.6vw,40px);line-height:1.28;font-weight:700;letter-spacing:-.01em;max-width:900px;margin-bottom:20px;}
.meta-row{display:flex;flex-wrap:wrap;align-items:center;gap:12px;font-size:13px;color:var(--c-ink-3);}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:#C6D0DE;flex:none;}
.badge-pill{display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--r-pill);font-size:12px;font-weight:500;line-height:1.4;}
.badge-primary{background:var(--c-primary-soft);color:var(--c-primary);}
.badge-accent{background:var(--c-accent-soft);color:var(--c-accent);}
.badge-neutral{background:#EEF1F6;color:var(--c-ink-3);}

/* ---------- layout ---------- */
.article-layout{display:grid;grid-template-columns:200px minmax(0,1fr);gap:48px;align-items:start;padding:40px 0 0;}
.article-layout.single{grid-template-columns:minmax(0,1fr);}
.article-toc{position:sticky;top:104px;font-size:14px;}
.toc-title{font-size:12px;letter-spacing:.1em;color:var(--c-ink-3);font-weight:600;margin-bottom:12px;}
.article-toc a{display:block;padding:8px 0 8px 12px;margin-bottom:2px;color:var(--c-ink-2);border-left:2px solid var(--c-line);line-height:1.5;font-size:14px;transition:all .2s var(--ease);}
.article-toc a:hover{color:var(--c-primary);border-left-color:rgba(42,78,143,.45);}
.article-toc a.is-current{color:var(--c-primary);border-left-color:var(--c-primary);font-weight:600;background:linear-gradient(90deg,rgba(42,78,143,.06),transparent);}
@media (max-width:1199.98px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0;}
  .article-toc{display:none;}
}

/* ---------- article body ---------- */
.article-body{max-width:760px;font-size:16px;line-height:1.85;color:var(--c-ink-2);}
.article-body p{margin:0 0 1.2em;line-height:1.85;}
.article-body h2{position:relative;font-size:clamp(21px,2.2vw,26px);line-height:1.4;font-weight:700;margin:2.2em 0 .9em;padding-left:14px;scroll-margin-top:100px;}
.article-body h2::before{content:"";position:absolute;left:0;top:.34em;width:4px;height:20px;border-radius:2px;background:var(--c-primary);}
.article-body h3{font-size:19px;line-height:1.5;font-weight:600;margin:1.8em 0 .7em;scroll-margin-top:100px;}
.article-body h4{font-size:17px;line-height:1.5;font-weight:600;margin:1.5em 0 .6em;}
.article-body ul,.article-body ol{padding-left:1.35em;margin:0 0 1.2em;}
.article-body li{margin:.45em 0;line-height:1.8;}
.article-body ul li::marker{color:var(--c-primary);}
.article-body ol li::marker{color:var(--c-primary);font-weight:600;}
.article-body blockquote{margin:1.6em 0;padding:20px;border-left:3px solid var(--c-primary);background:var(--c-primary-soft);border-radius:0 12px 12px 0;color:var(--c-ink-2);}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{max-width:100%;height:auto;border-radius:var(--r-img);margin:1.6em auto;}
.article-body a{color:var(--c-primary);border-bottom:1px solid rgba(42,78,143,.35);}
.article-body a:hover{border-bottom-width:2px;}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;margin:1.6em 0;}
.article-body th{background:var(--c-primary-soft);color:var(--c-ink);font-weight:600;}
.article-body th,.article-body td{border:1px solid var(--c-line);padding:10px 14px;text-align:left;}
.article-body tbody tr:nth-child(even){background:#FAFBFE;}
.article-body code{background:#F1F4F9;border-radius:6px;padding:.15em .45em;font-size:.92em;color:#2A4E8F;}
.article-body pre{background:#16202E;color:#E7EDF7;padding:18px;border-radius:12px;overflow:auto;font-size:14px;line-height:1.7;}
.article-body pre code{background:none;color:inherit;padding:0;}
.article-body hr{border:0;border-top:1px solid var(--c-line);margin:2.4em 0;}

/* ---------- empty ---------- */
.empty-state{min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;text-align:center;color:var(--c-ink-3);padding:32px 0;}
.empty-state i{font-size:48px;color:rgba(42,78,143,.3);}

/* ---------- notice ---------- */
.notice{display:flex;gap:14px;align-items:flex-start;margin-top:56px;padding:20px 24px;background:#fff;border:1px solid var(--c-line);border-left:3px solid var(--c-primary);border-radius:0 var(--r-card) var(--r-card) 0;box-shadow:var(--sh-sm);max-width:760px;}
.notice i{color:var(--c-primary);font-size:18px;margin-top:3px;}
.notice h3{font-size:16px;font-weight:600;margin-bottom:6px;}
.notice p{font-size:14px;line-height:1.7;color:var(--c-ink-2);}

/* ---------- related ---------- */
.related{padding:88px 0 0;}
.section-head{margin-bottom:28px;}
.section-head h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;}
.section-head p{font-size:15px;color:var(--c-ink-3);margin-top:8px;}
.related-grid{display:grid;grid-template-columns:1.1fr 1fr;gap:24px;}
.rel-main{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-md);overflow:hidden;display:flex;flex-direction:column;transition:transform .2s var(--ease),box-shadow .2s var(--ease);}
.rel-main:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);}
.rel-main .thumb{aspect-ratio:16/9;overflow:hidden;border-radius:0;}
.rel-main .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease);}
.rel-main:hover .thumb img{transform:scale(1.03);}
.rel-main .body{padding:24px 28px 28px;}
.rel-main h3{font-size:20px;line-height:1.45;margin:12px 0 10px;}
.rel-main:hover h3{color:var(--c-primary);}
.rel-main p{font-size:14px;line-height:1.7;color:var(--c-ink-3);}
.rel-side{display:flex;flex-direction:column;gap:24px;}
.rel-item{display:flex;gap:16px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-sm);padding:18px;transition:transform .2s var(--ease),box-shadow .2s var(--ease);}
.rel-item:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);}
.rel-item .mini{width:96px;height:72px;border-radius:var(--r-img);overflow:hidden;flex:none;}
.rel-item .mini img{width:100%;height:100%;object-fit:cover;}
.rel-item h3{font-size:16px;line-height:1.5;margin:6px 0 6px;}
.rel-item:hover h3{color:var(--c-primary);}
.rel-item p{font-size:13px;line-height:1.65;color:var(--c-ink-3);}
@media (max-width:767.98px){
  .related-grid{grid-template-columns:1fr;}
}

/* ---------- buttons ---------- */
.btn-solid{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--r-btn);background:var(--c-primary);color:#fff;font-size:15px;font-weight:600;border:1px solid var(--c-primary);cursor:pointer;transition:all .2s var(--ease);}
.btn-solid:hover{background:var(--c-primary-hover);border-color:var(--c-primary-hover);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md);}
.btn-solid:active{transform:translateY(0);box-shadow:none;}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:48px;padding:0 24px;border-radius:var(--r-btn);background:#fff;color:var(--c-primary);border:1px solid var(--c-primary);font-size:15px;font-weight:600;transition:all .2s var(--ease);}
.btn-ghost:hover{background:rgba(42,78,143,.06);color:var(--c-primary-hover);border-color:var(--c-primary-hover);}
.btn-light{display:inline-flex;align-items:center;justify-content:center;height:48px;padding:0 24px;border-radius:var(--r-btn);background:#fff;color:var(--c-primary-deep);font-size:15px;font-weight:600;transition:all .2s var(--ease);border:1px solid #fff;}
.btn-light:hover{background:#EDF2FB;color:var(--c-primary-deep);transform:translateY(-1px);box-shadow:0 10px 24px rgba(0,0,0,.18);}
.back-row{margin-top:56px;display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- cta ---------- */
.cta-band{background:var(--c-primary-deep);margin-top:88px;padding:56px 0;}
.cta-inner{max-width:720px;margin:0 auto;text-align:center;}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.6vw,30px);line-height:1.35;}
.cta-inner p{color:rgba(255,255,255,.74);font-size:15px;line-height:1.75;margin:14px 0 24px;}

/* ---------- footer ---------- */
.site-footer{background:var(--c-primary-deep);color:rgba(255,255,255,.72);padding:64px 0 32px;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.site-footer .brand-text strong{color:#fff;}
.site-footer .brand-text em{color:rgba(255,255,255,.6);}
.site-footer p{font-size:14px;line-height:1.75;color:rgba(255,255,255,.72);max-width:340px;}
.footer-col h4{font-size:14px;color:#fff;font-weight:600;margin-bottom:16px;}
.footer-col ul{list-style:none;}
.footer-col li{margin-bottom:10px;}
.footer-col a{color:rgba(255,255,255,.72);font-size:14px;}
.footer-col a:hover{color:#fff;text-decoration:underline;}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;line-height:1.65;}
.footer-contact i{color:rgba(255,255,255,.55);margin-top:4px;font-size:13px;}
.footer-qr{display:inline-flex;align-items:center;gap:10px;margin-top:16px;padding:10px 14px;border:1px solid rgba(255,255,255,.18);border-radius:12px;font-size:13px;color:rgba(255,255,255,.72);}
.footer-bottom{display:flex;justify-content:space-between;flex-wrap:wrap;gap:12px;margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:rgba(255,255,255,.55);}
@media (max-width:991.98px){
  .wrap{padding:0 24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:575.98px){
  .wrap{padding:0 20px;}
  .footer-grid{grid-template-columns:1fr;}
  .article-head h1{font-size:26px;}
  .related{padding-top:56px;}
  .cta-band{margin-top:56px;padding:44px 0;}
  .notice{margin-top:40px;padding:18px;}
  .btn-solid,.btn-ghost,.btn-light{height:44px;padding:0 20px;}
}

/* roulang page: category2 */
:root{
  --c-primary:#2A4E8F;
  --c-primary-d:#1D3A6E;
  --c-primary-h:#23417A;
  --c-primary-l:#EDF2FB;
  --c-accent:#17A398;
  --c-accent-l:#E7F5F3;
  --c-highlight:#E8A33D;
  --c-ink:#16202E;
  --c-ink-2:#43536B;
  --c-ink-3:#7A8899;
  --c-bg:#F6F8FC;
  --c-card:#FFFFFF;
  --c-line:#E3E9F2;
  --r-card:16px;
  --r-btn:10px;
  --r-input:10px;
  --r-img:12px;
  --r-pill:999px;
  --r-hero:20px;
  --sh-sm:0 1px 2px rgba(22,32,46,.06);
  --sh-md:0 8px 24px rgba(42,78,143,.08);
  --sh-lg:0 18px 48px rgba(42,78,143,.12);
  --ease:cubic-bezier(.2,.7,.3,1);
  --bs-body-color:var(--c-ink);
  --bs-body-bg:var(--c-bg);
  --bs-primary:var(--c-primary);
  --bs-border-radius:10px;
  --bs-font-sans-serif:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--c-bg);
  color:var(--c-ink);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--c-primary);text-decoration:none;transition:color .2s var(--ease),text-decoration-color .2s var(--ease)}
a:hover{color:var(--c-primary-h)}
button,input{font:inherit}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700;letter-spacing:-0.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(42,78,143,.25);outline-offset:2px;border-radius:6px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* ---------- 按钮 ---------- */
.btn-main,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  transition:transform .2s var(--ease),background-color .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease),color .2s var(--ease);
  border:1px solid transparent;white-space:nowrap;
}
.btn-main{background:var(--c-primary);color:#fff;box-shadow:var(--sh-sm)}
.btn-main:hover{background:var(--c-primary-h);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md)}
.btn-main:active{transform:translateY(0);box-shadow:var(--sh-sm)}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:var(--c-primary)}
.btn-ghost:hover{background:var(--c-primary-l);color:var(--c-primary-h);border-color:var(--c-primary-h)}
.btn-ghost:active{transform:translateY(1px)}
.link-more{font-size:14px;font-weight:600;color:var(--c-primary);border-bottom:1px solid rgba(42,78,143,.35);padding-bottom:2px}
.link-more:hover{border-bottom-width:2px;color:var(--c-primary-h)}

/* ---------- 徽章 / 标签 ---------- */
.pill{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--r-pill);font-size:12px;font-weight:500;line-height:1.4}
.pill-main{background:var(--c-primary-l);color:var(--c-primary)}
.pill-accent{background:var(--c-accent-l);color:#0E7C74}
.pill-mute{background:#EFF2F7;color:var(--c-ink-2)}

/* ---------- 站点头部 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--c-line);transition:box-shadow .2s var(--ease)}
.site-header.is-scrolled{box-shadow:var(--sh-md)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:12px;color:var(--c-ink)}
.brand-mark{display:grid;grid-template-columns:repeat(2,1fr);gap:3px;width:26px;height:26px;flex:0 0 auto}
.brand-mark i{display:block;border-radius:3px;background:var(--c-primary)}
.brand-mark i:nth-child(2){background:var(--c-accent)}
.brand-mark i:nth-child(3){background:var(--c-accent);opacity:.55}
.brand-mark i:nth-child(4){background:var(--c-primary);opacity:.45}
.brand-text{display:flex;flex-direction:column;line-height:1.05}
.brand-text strong{font-size:18px;font-weight:700;letter-spacing:0;color:var(--c-ink)}
.brand-text em{font-size:11px;font-style:normal;color:var(--c-ink-3);letter-spacing:.06em}
.nav-menu{display:flex;align-items:center;gap:28px}
.nav-menu a{position:relative;padding:6px 0;font-size:15px;font-weight:500;color:var(--c-ink-2)}
.nav-menu a:hover{color:var(--c-primary)}
.nav-menu a.is-active{color:var(--c-primary);font-weight:600}
.nav-menu a.is-active::after{content:"";position:absolute;left:0;right:0;bottom:-4px;height:2px;border-radius:2px;background:var(--c-primary)}
.header-right{display:flex;align-items:center;gap:16px}
.nav-cta{height:44px;padding:0 20px;font-size:14px}
.nav-toggle{display:none;width:44px;height:44px;align-items:center;justify-content:center;border:1px solid var(--c-line);border-radius:var(--r-btn);background:#fff;color:var(--c-primary);cursor:pointer;transition:background-color .2s var(--ease),border-color .2s var(--ease)}
.nav-toggle:hover{background:var(--c-primary-l);border-color:var(--c-primary)}
.drawer-cta{display:none}
.nav-mask{position:fixed;inset:0;background:rgba(22,32,46,.45);opacity:0;visibility:hidden;transition:opacity .2s var(--ease),visibility .2s var(--ease);z-index:70}
.nav-mask.is-on{opacity:1;visibility:visible}

/* ---------- 内页紧凑标题区 ---------- */
.page-head{
  position:relative;overflow:hidden;
  background-image:linear-gradient(rgba(246,248,252,.94),rgba(246,248,252,.94)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--c-line);
  padding:44px 0 40px;
}
.page-head::after{content:"";position:absolute;right:-140px;top:-160px;width:420px;height:420px;border-radius:50%;background:radial-gradient(circle,rgba(42,78,143,.12),rgba(42,78,143,0) 68%);pointer-events:none}
.page-head-inner{position:relative;display:grid;grid-template-columns:minmax(0,1fr) 280px;gap:48px;align-items:center}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;line-height:1.6;color:var(--c-ink-3);margin-bottom:14px}
.crumb a{color:var(--c-ink-3)}
.crumb a:hover{color:var(--c-primary)}
.crumb .sep{color:#B7C2D2}
.crumb .now{color:var(--c-primary);font-weight:600}
.page-head h1{font-size:clamp(28px,3.6vw,40px);line-height:1.25;margin-bottom:14px}
.page-head .lead{font-size:16px;color:var(--c-ink-2);max-width:620px}
.head-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.head-figure{border-radius:var(--r-hero);overflow:hidden;border:1px solid var(--c-line);box-shadow:var(--sh-md);background:#fff}
.head-figure img{width:100%;height:190px;object-fit:cover;border-radius:var(--r-hero)}

/* ---------- 板块通用 ---------- */
.sec{padding:88px 0}
.sec-lg{padding:104px 0}
.sec-line{border-top:1px solid var(--c-line)}
.sec-head{max-width:720px;margin-bottom:40px}
.sec-head h2{font-size:clamp(23px,2.6vw,30px);line-height:1.3;margin-bottom:14px}
.sec-head p{color:var(--c-ink-2);font-size:16px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--c-accent);letter-spacing:.04em;margin-bottom:12px}
.eyebrow::before{content:"";width:18px;height:2px;border-radius:2px;background:var(--c-accent)}

/* ---------- 要点 + 卡片矩阵 ---------- */
.split{display:grid;grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:32px;align-items:start}
.sticky-list{position:sticky;top:104px;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-sm)}
.sticky-list h3{font-size:17px;margin-bottom:6px}
.sticky-list .hint{font-size:13px;color:var(--c-ink-3);margin-bottom:14px}
.point-list li + li{margin-top:4px}
.point-list a{display:flex;align-items:center;gap:12px;min-height:48px;padding:8px 12px;border-radius:12px;color:var(--c-ink-2);font-size:14.5px;font-weight:500;transition:background-color .2s var(--ease),color .2s var(--ease)}
.point-list i{width:32px;height:32px;flex:0 0 auto;display:inline-flex;align-items:center;justify-content:center;border-radius:10px;background:var(--c-primary-l);color:var(--c-primary);font-size:14px}
.point-list a:hover{background:var(--c-primary-l);color:var(--c-primary)}
.point-list a.is-active{background:var(--c-primary-l);color:var(--c-primary);font-weight:600;box-shadow:inset 3px 0 0 var(--c-primary)}
.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.sec-card{background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-sm);transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);display:flex;flex-direction:column;min-height:100%}
.sec-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:rgba(42,78,143,.22)}
.sec-card .icon{width:44px;height:44px;border-radius:12px;display:inline-flex;align-items:center;justify-content:center;background:var(--c-primary-l);color:var(--c-primary);font-size:18px;margin-bottom:16px}
.sec-card h3{font-size:18px;line-height:1.4;margin-bottom:10px}
.sec-card p{font-size:14.5px;color:var(--c-ink-2);margin-bottom:18px}
.sec-card .card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:14px;border-top:1px solid var(--c-line)}
.sec-card .card-foot .meta{font-size:13px;color:var(--c-ink-3)}

/* ---------- 自查清单 ---------- */
.check-wrap{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.check-panel{background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-sm)}
.check-panel h3{display:flex;align-items:center;gap:10px;font-size:18px;margin-bottom:18px}
.check-panel h3 i{font-size:16px}
.check-panel.do h3 i{color:var(--c-accent)}
.check-panel.dont h3 i{color:#C8453C}
.check-list li{display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--c-line);font-size:14.5px;color:var(--c-ink-2)}
.check-list li:last-child{border-bottom:0;padding-bottom:0}
.check-list i{margin-top:5px;font-size:13px;flex:0 0 auto}
.check-list.do i{color:var(--c-accent)}
.check-list.dont i{color:#C8453C}
.check-list strong{display:block;color:var(--c-ink);font-size:15px;font-weight:600;margin-bottom:2px}

/* ---------- 流程 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;position:relative}
.step{position:relative;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-sm);transition:box-shadow .2s var(--ease),transform .2s var(--ease),border-color .2s var(--ease)}
.step:hover{box-shadow:var(--sh-md);transform:translateY(-3px);border-color:rgba(42,78,143,.2)}
.step .num{font-size:44px;font-weight:700;line-height:1;color:rgba(42,78,143,.12);font-variant-numeric:tabular-nums;margin-bottom:10px}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14px;color:var(--c-ink-2)}
.step:not(:last-child)::after{content:"";position:absolute;top:52px;right:-24px;width:24px;border-top:1px dashed rgba(42,78,143,.35)}

/* ---------- 数据条 ---------- */
.stats{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:0;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);box-shadow:var(--sh-sm);overflow:hidden}
.stat{padding:24px 28px;border-right:1px solid var(--c-line)}
.stat:last-child{border-right:0}
.stat .n{font-size:30px;font-weight:700;color:var(--c-primary);font-variant-numeric:tabular-nums;line-height:1.2}
.stat .n small{font-size:14px;font-weight:600;color:var(--c-ink-3);margin-left:4px}
.stat .t{font-size:14px;color:var(--c-ink-2);margin-top:4px}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:12px;max-width:920px}
.faq-item{background:#fff;border:1px solid var(--c-line);border-radius:12px;box-shadow:var(--sh-sm);overflow:hidden;transition:border-color .2s var(--ease),box-shadow .2s var(--ease)}
.faq-item[open]{border-color:rgba(42,78,143,.3);box-shadow:var(--sh-md);border-left:3px solid var(--c-primary);background:#FCFDFF}
.faq-item summary{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:20px 24px;font-size:16px;font-weight:600;color:var(--c-ink);cursor:pointer;list-style:none}
.faq-item summary::-webkit-details-marker{display:none}
.faq-icon{position:relative;width:20px;height:20px;flex:0 0 auto}
.faq-icon::before,.faq-icon::after{content:"";position:absolute;background:var(--c-primary);border-radius:2px;transition:transform .2s var(--ease)}
.faq-icon::before{left:0;top:9px;width:20px;height:2px}
.faq-icon::after{left:9px;top:0;width:2px;height:20px}
.faq-item[open] .faq-icon::after{transform:scaleY(0)}
.faq-body{padding:0 24px 22px;font-size:15px;color:var(--c-ink-2)}
.faq-body p + p{margin-top:10px}

/* ---------- CTA 带 ---------- */
.cta-band{background:var(--c-primary-d);padding:72px 0}
.cta-inner{max-width:720px;margin:0 auto;text-align:center}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.8vw,30px);margin-bottom:12px}
.cta-inner p{color:rgba(255,255,255,.72);font-size:15.5px;margin-bottom:26px}
.btn-invert{background:#fff;color:var(--c-primary-d);height:48px;padding:0 26px;border-radius:var(--r-btn);display:inline-flex;align-items:center;justify-content:center;font-weight:600;font-size:15px;transition:transform .2s var(--ease),box-shadow .2s var(--ease)}
.btn-invert:hover{transform:translateY(-1px);box-shadow:0 12px 28px rgba(0,0,0,.22);color:var(--c-primary-d)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--c-primary-d);color:rgba(255,255,255,.72);padding:64px 0 32px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.2fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.footer-brand .brand-mark i{background:#fff}
.footer-brand .brand-mark i:nth-child(2){background:var(--c-accent)}
.footer-brand .brand-mark i:nth-child(3){background:var(--c-accent);opacity:.6}
.footer-brand .brand-mark i:nth-child(4){background:rgba(255,255,255,.5)}
.footer-brand .brand-text strong{color:#fff}
.footer-brand .brand-text em{color:rgba(255,255,255,.6)}
.site-footer p{font-size:14px;line-height:1.75}
.footer-col h4{color:#fff;font-size:14px;font-weight:600;margin-bottom:16px}
.footer-col li + li{margin-top:10px}
.footer-col a{color:rgba(255,255,255,.72);font-size:14px}
.footer-col a:hover{color:#fff;text-decoration:underline}
.footer-contact li{display:flex;gap:10px;font-size:14px;line-height:1.7}
.footer-contact i{margin-top:5px;color:var(--c-accent)}
.footer-qr{display:inline-flex;align-items:center;gap:10px;margin-top:18px;padding:10px 14px;border:1px solid rgba(255,255,255,.2);border-radius:12px;font-size:13px}
.footer-qr i{font-size:18px;color:#fff}
.footer-bottom{display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:rgba(255,255,255,.6)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .wrap{padding:0 28px}
  .split{grid-template-columns:minmax(0,5fr) minmax(0,7fr)}
}
@media (max-width:991px){
  .nav-menu{
    position:fixed;top:0;right:0;bottom:0;width:84vw;max-width:340px;
    flex-direction:column;align-items:stretch;gap:0;
    background:#fff;padding:84px 24px 24px;
    transform:translateX(100%);transition:transform .24s var(--ease);
    box-shadow:var(--sh-lg);z-index:90;overflow-y:auto;
  }
  .nav-menu.is-open{transform:translateX(0)}
  .nav-menu a{height:48px;display:flex;align-items:center;font-size:16px;border-bottom:1px solid var(--c-line)}
  .nav-menu a.is-active::after{display:none}
  .nav-toggle{display:inline-flex}
  .nav-cta{display:none}
  .drawer-cta{display:inline-flex;width:100%;margin-top:20px}
  .header-inner{height:64px}
  .page-head-inner{grid-template-columns:1fr;gap:28px}
  .head-figure{max-width:420px}
  .split{grid-template-columns:1fr;gap:28px}
  .sticky-list{position:static}
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .step:not(:last-child)::after{display:none}
  .stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .stat:nth-child(2){border-right:0}
  .stat:nth-child(3),.stat:nth-child(4){border-top:1px solid var(--c-line)}
  .stat:nth-child(4){border-right:0}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px}
  .sec{padding:72px 0}
  .sec-lg{padding:76px 0}
}
@media (max-width:767px){
  .wrap{padding:0 24px}
  .card-grid{grid-template-columns:1fr}
  .check-wrap{grid-template-columns:1fr}
  .page-head{padding:34px 0 32px}
  .page-head .lead{font-size:15px}
  .sec-card,.check-panel,.step{padding:24px}
  .sec-head{margin-bottom:28px}
}
@media (max-width:575px){
  .wrap{padding:0 20px}
  .steps{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr}
  .stat{border-right:0;border-top:1px solid var(--c-line);padding:20px 22px}
  .stat:first-child{border-top:0}
  .btn-main,.btn-ghost,.btn-invert{width:100%;height:44px}
  .head-actions{gap:10px}
  .header-inner{height:60px}
  .brand-text strong{font-size:16px}
  .faq-item summary{padding:18px 18px;font-size:15px}
  .faq-body{padding:0 18px 18px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;gap:8px}
  .sec{padding:56px 0}
  .sec-lg{padding:60px 0}
  .cta-band{padding:56px 0}
}

/* roulang page: category3 */
:root{
  --c-primary:#2A4E8F;
  --c-primary-d:#1D3A6E;
  --c-primary-h:#23417A;
  --c-primary-l:#EDF2FB;
  --c-accent:#17A398;
  --c-accent-l:#E6F6F4;
  --c-highlight:#E8A33D;
  --c-ink:#16202E;
  --c-ink-2:#43536B;
  --c-ink-3:#7A8899;
  --c-bg:#F6F8FC;
  --c-card:#FFFFFF;
  --c-line:#E3E9F2;
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --r-hero:20px;
  --r-badge:999px;
  --sh-sm:0 1px 2px rgba(22,32,46,.06);
  --sh-md:0 8px 24px rgba(42,78,143,.08);
  --sh-lg:0 18px 48px rgba(42,78,143,.12);
  --t:200ms cubic-bezier(.2,.7,.3,1);
  --bs-primary:#2A4E8F;
  --bs-primary-rgb:42,78,143;
  --bs-body-color:#16202E;
  --bs-body-bg:#F6F8FC;
  --bs-border-color:#E3E9F2;
  --bs-border-radius:10px;
  --bs-border-radius-lg:16px;
  --bs-font-sans-serif:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden}
img{max-width:100%;height:auto;display:block}
a{color:var(--c-primary);text-decoration:none;transition:var(--t)}
a:hover{color:var(--c-primary-h)}
button,input{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--c-ink);font-weight:700}
h1{font-size:clamp(30px,4.2vw,44px);line-height:1.25;letter-spacing:-.01em}
h2{font-size:clamp(24px,3vw,32px);line-height:1.3}
h3{font-size:20px;line-height:1.4;font-weight:600}
h4{font-size:17px;line-height:1.5;font-weight:600}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.sec{padding:88px 0}
.sec-lg{padding:104px 0}
.sec-tint{background:#fff}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--c-accent);letter-spacing:.08em;margin-bottom:14px}
.sec-head{max-width:720px;margin-bottom:40px}
.sec-head h2{margin-bottom:14px}
.sec-head p{font-size:16px;color:var(--c-ink-2)}
.lead{font-size:17px;line-height:1.8;color:var(--c-ink-2)}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;background:#fff;
  border-bottom:1px solid var(--c-line);
  transition:box-shadow var(--t);
}
.site-header.is-scrolled{box-shadow:var(--sh-md)}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px}
.brand{display:flex;align-items:center;gap:12px;text-decoration:none}
.brand-mark{
  width:40px;height:40px;border-radius:12px;background:var(--c-primary);
  display:grid;grid-template-columns:repeat(2,1fr);grid-template-rows:repeat(2,1fr);
  gap:3px;padding:8px;flex:0 0 auto;box-shadow:0 6px 16px rgba(42,78,143,.22);
}
.brand-mark i{display:block;border-radius:2px;background:rgba(255,255,255,.92)}
.brand-mark i:nth-child(2){background:var(--c-accent)}
.brand-mark i:nth-child(3){background:rgba(255,255,255,.5)}
.brand-text{display:flex;flex-direction:column}
.brand-text strong{font-size:18px;line-height:1.05;font-weight:700;color:var(--c-ink)}
.brand-text em{font-size:11px;line-height:1.2;font-style:normal;color:var(--c-ink-3);letter-spacing:.14em}
.nav-menu{display:flex;align-items:center;gap:28px}
.nav-menu a{
  position:relative;font-size:15px;font-weight:500;color:var(--c-ink-2);
  padding:6px 0;text-decoration:none;
}
.nav-menu a:hover{color:var(--c-primary)}
.nav-menu a.is-active{color:var(--c-primary);font-weight:600}
.nav-menu a.is-active::after{
  content:"";position:absolute;left:0;right:0;bottom:-2px;height:2px;
  border-radius:2px;background:var(--c-primary);
}
.header-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;border:1px solid var(--c-line);
  background:#fff;color:var(--c-primary);align-items:center;justify-content:center;
  font-size:17px;cursor:pointer;transition:var(--t);
}
.nav-toggle:hover{border-color:var(--c-primary);background:var(--c-primary-l)}
.nav-toggle:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(42,78,143,.25)}

/* drawer */
.drawer-mask{
  position:fixed;inset:0;background:rgba(22,32,46,.45);z-index:1070;
  opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.mobile-drawer{
  position:fixed;top:0;right:0;height:100%;width:84vw;max-width:340px;z-index:1080;
  background:#fff;padding:22px 18px;display:flex;flex-direction:column;gap:6px;
  transform:translateX(100%);transition:transform 280ms cubic-bezier(.2,.7,.3,1);
  box-shadow:var(--sh-lg);
}
.mobile-drawer.is-open{transform:none}
.mobile-drawer .drawer-title{font-size:13px;color:var(--c-ink-3);letter-spacing:.1em;padding:4px 14px 10px}
.mobile-drawer a{
  display:flex;align-items:center;height:48px;padding:0 14px;border-radius:10px;
  font-size:15px;font-weight:500;color:var(--c-ink-2);text-decoration:none;
}
.mobile-drawer a:hover{background:var(--c-primary-l);color:var(--c-primary)}
.mobile-drawer a.is-active{background:var(--c-primary-l);color:var(--c-primary);font-weight:600}
.drawer-cta{margin-top:auto;padding-top:16px;border-top:1px solid var(--c-line)}

/* ---------- buttons ---------- */
.btn-primary-solid,.btn-ghost,.btn-cta{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);font-size:15px;font-weight:600;
  text-decoration:none;cursor:pointer;border:1px solid transparent;
  transition:var(--t);white-space:nowrap;
}
.btn-primary-solid{background:var(--c-primary);color:#fff;border-color:var(--c-primary);box-shadow:var(--sh-sm)}
.btn-primary-solid:hover{background:var(--c-primary-h);border-color:var(--c-primary-h);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md)}
.btn-primary-solid:active{transform:translateY(0)}
.btn-primary-solid:focus-visible,.btn-ghost:focus-visible,.btn-cta:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(42,78,143,.25)}
.btn-ghost{background:#fff;color:var(--c-primary);border-color:rgba(42,78,143,.45)}
.btn-ghost:hover{background:var(--c-primary-l);border-color:var(--c-primary);color:var(--c-primary);transform:translateY(-1px)}
.btn-sm{height:40px;padding:0 18px;font-size:14px}
.text-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--c-primary);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.text-link:hover{text-decoration-thickness:2px}

/* ---------- badges / chips ---------- */
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:var(--r-badge);background:var(--c-primary-l);color:var(--c-primary);
  font-size:12px;font-weight:600;line-height:1;
}
.badge-accent{background:var(--c-accent-l);color:#0E7C73}
.badge-neutral{background:#EEF1F6;color:var(--c-ink-2)}

/* ---------- page head ---------- */
.page-head{
  position:relative;overflow:hidden;
  padding:52px 0 56px;
  background-image:linear-gradient(180deg,rgba(255,255,255,.96),rgba(246,248,252,.99)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--c-line);
}
.page-head::before{
  content:"";position:absolute;top:-180px;right:-140px;width:480px;height:480px;border-radius:50%;
  background:radial-gradient(circle,rgba(42,78,143,.16),rgba(42,78,143,0) 68%);
  pointer-events:none;
}
.page-head .wrap{position:relative;z-index:1}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-3);padding:0 0 20px}
.crumb a{color:var(--c-ink-3)}
.crumb a:hover{color:var(--c-primary)}
.crumb .cur{color:var(--c-primary);font-weight:600}
.page-head h1{margin:14px 0 14px}
.head-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.head-figure{display:flex;justify-content:flex-end}
.head-figure img{
  width:100%;max-width:300px;border-radius:var(--r-hero);
  border:1px solid var(--c-line);box-shadow:var(--sh-lg);
}

/* ---------- filter bar ---------- */
.filter-bar{display:flex;gap:10px;overflow-x:auto;padding:18px 0 6px;scrollbar-width:thin}
.filter-bar::-webkit-scrollbar{height:6px}
.filter-bar::-webkit-scrollbar-thumb{background:var(--c-line);border-radius:999px}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;gap:7px;height:38px;padding:0 16px;
  border-radius:var(--r-badge);border:1px solid var(--c-line);background:#fff;
  color:var(--c-ink-2);font-size:14px;font-weight:500;text-decoration:none;transition:var(--t);
}
.chip i{font-size:12px;color:var(--c-accent)}
.chip:hover{border-color:var(--c-primary);color:var(--c-primary)}
.chip.is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff}
.chip.is-active i{color:#fff}

/* ---------- tutorial cards ---------- */
.tcard{
  display:flex;flex-direction:column;height:100%;background:var(--c-card);
  border:1px solid var(--c-line);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--sh-md);transition:var(--t);
}
.tcard:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:rgba(42,78,143,.22)}
.tcard .thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--c-primary-l)}
.tcard .thumb img{width:100%;height:100%;object-fit:cover;transition:transform var(--t)}
.tcard:hover .thumb img{transform:scale(1.03)}
.tcard .thumb .tag{
  position:absolute;left:14px;top:14px;height:26px;padding:0 12px;border-radius:var(--r-badge);
  background:rgba(255,255,255,.94);color:var(--c-primary);font-size:12px;font-weight:600;
  display:inline-flex;align-items:center;
}
.tcard-body{display:flex;flex-direction:column;gap:10px;flex:1;padding:22px 24px 24px}
.tcard-body h3{font-size:18px;line-height:1.45;transition:color var(--t)}
.tcard:hover .tcard-body h3{color:var(--c-primary)}
.tcard-body p{
  font-size:14px;line-height:1.7;color:var(--c-ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.tcard-foot{
  margin-top:auto;padding-top:14px;border-top:1px dashed var(--c-line);
  display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--c-ink-3);
}
.tcard-foot .foot-meta{display:flex;align-items:center;gap:8px}
.tcard-foot .foot-meta i{color:var(--c-accent);font-size:12px}
.tcard-foot .arrow{color:var(--c-primary);transition:transform var(--t)}
.tcard:hover .tcard-foot .arrow{transform:translateX(3px)}

/* ---------- pager ---------- */
.pager{display:flex;flex-wrap:wrap;justify-content:center;gap:8px;margin-top:48px}
.pager a,.pager span{
  min-width:44px;height:44px;padding:0 14px;display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;border:1px solid var(--c-line);background:#fff;color:var(--c-ink-2);
  font-size:15px;font-weight:500;text-decoration:none;transition:var(--t);
}
.pager a:hover{border-color:var(--c-primary);color:var(--c-primary);background:var(--c-primary-l)}
.pager .is-active{background:var(--c-primary);border-color:var(--c-primary);color:#fff}
.pager .is-disabled{color:#B9C3D2;background:#FAFBFD;pointer-events:none}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.step{
  position:relative;background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:30px 24px 26px;box-shadow:var(--sh-sm);transition:var(--t);
}
.step:hover{transform:translateY(-4px);box-shadow:var(--sh-md);border-color:rgba(42,78,143,.22)}
.step .num{
  position:absolute;top:10px;right:16px;font-size:44px;font-weight:800;line-height:1;
  color:rgba(42,78,143,.08);letter-spacing:-.02em;font-variant-numeric:tabular-nums;
}
.step h3{font-size:17px;margin-bottom:10px;position:relative;z-index:1}
.step p{font-size:14px;line-height:1.7;color:var(--c-ink-2)}
.step .step-ico{
  width:40px;height:40px;border-radius:12px;background:var(--c-primary-l);color:var(--c-primary);
  display:flex;align-items:center;justify-content:center;font-size:16px;margin-bottom:16px;
}
.step::after{
  content:"";position:absolute;top:50%;right:-22px;width:20px;height:0;
  border-top:2px dashed rgba(42,78,143,.2);
}
.step:last-child::after{display:none}

/* ---------- compare ---------- */
.compare-card{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-md);height:100%;transition:var(--t);
}
.compare-card:hover{box-shadow:var(--sh-lg)}
.compare-card.is-featured{border:1.5px solid var(--c-primary);background:linear-gradient(180deg,#fff, #FBFDFF)}
.compare-card h3{font-size:18px;margin-bottom:8px;display:flex;align-items:center;gap:10px}
.compare-card h3 i{color:var(--c-primary)}
.compare-card .card-sub{font-size:14px;color:var(--c-ink-2);margin-bottom:18px}
.compare-list li{
  display:flex;gap:12px;padding:12px 0;border-top:1px dashed var(--c-line);
  font-size:14px;line-height:1.7;color:var(--c-ink-2);
}
.compare-list li i{color:var(--c-accent);font-size:14px;margin-top:5px;flex:0 0 auto}
.compare-list li strong{color:var(--c-ink);font-weight:600}

/* ---------- checklist ---------- */
.check-panel{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  padding:30px 32px;box-shadow:var(--sh-md);
}
.check-list li{
  display:flex;gap:16px;align-items:flex-start;padding:18px 0;border-bottom:1px solid var(--c-line);
}
.check-list li:last-child{border-bottom:0;padding-bottom:0}
.check-list li:first-child{padding-top:4px}
.check-list .idx{
  flex:0 0 auto;width:34px;height:34px;border-radius:10px;background:var(--c-primary-l);
  color:var(--c-primary);font-size:14px;font-weight:700;display:flex;align-items:center;justify-content:center;
  font-variant-numeric:tabular-nums;
}
.check-list h4{font-size:16px;margin-bottom:4px}
.check-list p{font-size:14px;line-height:1.7;color:var(--c-ink-2)}

/* ---------- faq ---------- */
.faq .accordion-item{
  background:#fff;border:1px solid var(--c-line);border-radius:12px;margin-bottom:12px;
  overflow:hidden;box-shadow:var(--sh-sm);
}
.faq .accordion-header{margin:0}
.faq .accordion-button{
  background:#fff;color:var(--c-ink);font-size:16px;font-weight:600;line-height:1.5;
  padding:20px 24px;border:0;border-radius:12px !important;box-shadow:none;
  display:flex;align-items:center;gap:16px;transition:var(--t);
}
.faq .accordion-button:not(.collapsed){
  background:var(--c-primary-l);color:var(--c-primary);
  box-shadow:inset 3px 0 0 var(--c-primary);
}
.faq .accordion-button:focus{box-shadow:none;border-color:transparent}
.faq .accordion-button:focus-visible{box-shadow:0 0 0 3px rgba(42,78,143,.25)}
.faq .accordion-button::after{
  content:"+";background-image:none;width:26px;height:26px;font-size:20px;font-weight:400;
  color:var(--c-primary);display:flex;align-items:center;justify-content:center;
  transform:none;transition:transform var(--t);flex:0 0 auto;
}
.faq .accordion-button:not(.collapsed)::after{transform:rotate(45deg)}
.faq .accordion-body{
  padding:6px 24px 22px;font-size:15px;line-height:1.8;color:var(--c-ink-2);
  background:#fff;
}

/* ---------- cta band ---------- */
.cta-band{background:var(--c-primary-d);padding:64px 0}
.cta-inner{max-width:720px;margin:0 auto;text-align:center}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.6vw,28px);margin-bottom:12px}
.cta-inner p{color:rgba(255,255,255,.74);font-size:15px;line-height:1.8;margin-bottom:26px}
.btn-cta{background:#fff;color:var(--c-primary-d);border-color:#fff;height:48px}
.btn-cta:hover{background:#EDF2FB;color:var(--c-primary-d);transform:translateY(-1px);box-shadow:0 12px 28px rgba(0,0,0,.22)}

/* ---------- footer ---------- */
.site-footer{background:var(--c-primary-d);color:rgba(255,255,255,.72);padding:64px 0 32px}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.3fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px}
.site-footer .brand-mark{background:rgba(255,255,255,.14);box-shadow:none}
.site-footer .brand-text strong{color:#fff}
.site-footer .brand-text em{color:rgba(255,255,255,.62)}
.site-footer p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.72);max-width:360px}
.site-footer h4{font-size:14px;font-weight:600;color:#fff;margin-bottom:16px}
.site-footer ul li{margin-bottom:10px;font-size:14px;list-style:none}
.site-footer a{color:rgba(255,255,255,.72);font-size:14px}
.site-footer a:hover{color:#fff;text-decoration:underline}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;line-height:1.7}
.footer-contact i{color:var(--c-accent);font-size:13px;margin-top:6px}
.footer-qr{
  display:inline-flex;align-items:center;gap:10px;margin-top:16px;padding:10px 16px;
  border:1px solid rgba(255,255,255,.2);border-radius:12px;font-size:13px;color:rgba(255,255,255,.78);
}
.footer-qr i{font-size:20px;color:#fff}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.6);
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .wrap{padding:0 28px}
  .nav-menu{gap:22px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .step::after{display:none}
}
@media (max-width:991px){
  .wrap{padding:0 24px}
  .nav-menu{display:none}
  .nav-toggle{display:inline-flex}
  .header-actions .btn-primary-solid{display:none}
  .sec{padding:72px 0}
  .sec-lg{padding:80px 0}
  .head-figure{justify-content:flex-start;margin-top:8px}
  .head-figure img{max-width:100%}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  body{font-size:15px}
  .wrap{padding:0 20px}
  .sec{padding:56px 0}
  .sec-lg{padding:64px 0}
  .sec-head{margin-bottom:28px}
  .steps{grid-template-columns:1fr}
  .tcard-body{padding:20px}
  .check-panel{padding:22px}
  .compare-card{padding:22px}
  .btn-primary-solid,.btn-ghost,.btn-cta{height:44px;padding:0 20px;font-size:14px}
}
@media (max-width:575px){
  .header-inner{height:60px}
  .brand-mark{width:34px;height:34px;padding:7px;border-radius:10px}
  .brand-text strong{font-size:17px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .page-head{padding:36px 0 40px}
  .check-list li{gap:12px}
}

/* roulang page: category4 */
:root{
  --c-primary:#2A4E8F;
  --c-primary-dark:#1D3A6E;
  --c-primary-hover:#23417A;
  --c-primary-soft:#EDF2FB;
  --c-accent:#17A398;
  --c-accent-soft:#E4F5F3;
  --c-highlight:#E8A33D;
  --c-ink:#16202E;
  --c-ink-2:#43536B;
  --c-ink-3:#7A8899;
  --c-bg:#F6F8FC;
  --c-card:#FFFFFF;
  --c-line:#E3E9F2;
  --r-card:16px;
  --r-btn:10px;
  --r-img:12px;
  --r-pill:999px;
  --sh-sm:0 1px 2px rgba(22,32,46,.06);
  --sh-md:0 8px 24px rgba(42,78,143,.08);
  --sh-lg:0 18px 48px rgba(42,78,143,.12);
  --t:200ms cubic-bezier(.2,.7,.3,1);
  --bs-primary:#2A4E8F;
  --bs-primary-rgb:42,78,143;
  --bs-body-color:#16202E;
  --bs-body-bg:#F6F8FC;
  --bs-border-radius:12px;
  --bs-border-color:#E3E9F2;
  --bs-font-sans-serif:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Source Han Sans SC",system-ui,sans-serif;
  --bs-link-color:#2A4E8F;
  --bs-link-hover-color:#1D3A6E;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--bs-font-sans-serif);
  font-size:16px;
  line-height:1.75;
  color:var(--c-ink);
  background:var(--c-bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:var(--c-primary);text-decoration:none;transition:color var(--t),border-color var(--t)}
a:hover{color:var(--c-primary-dark)}
h1,h2,h3,h4{margin:0;color:var(--c-ink);letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
input,select,textarea{font-family:inherit}
:focus-visible{outline:3px solid rgba(42,78,143,.28);outline-offset:2px;border-radius:6px}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
section[id]{scroll-margin-top:100px}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;background:#fff;
  border-bottom:1px solid var(--c-line);
  transition:box-shadow var(--t);
}
.site-header.is-scrolled{box-shadow:var(--sh-md)}
.header-inner{display:flex;align-items:center;gap:28px;height:72px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
  display:grid;grid-template-columns:repeat(2,9px);grid-template-rows:repeat(2,9px);
  gap:3px;flex:0 0 auto;
}
.brand-mark i{display:block;border-radius:3px;background:var(--c-primary)}
.brand-mark i:nth-child(2){background:var(--c-accent)}
.brand-mark i:nth-child(3){background:var(--c-accent)}
.brand-mark i:nth-child(4){background:var(--c-primary-dark)}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:18px;font-weight:700;color:var(--c-ink)}
.brand-text em{font-style:normal;font-size:11px;color:var(--c-ink-3);letter-spacing:.08em}
.nav-menu{display:flex;align-items:center;gap:28px;margin-left:auto}
.nav-menu a{
  position:relative;font-size:15px;font-weight:500;color:var(--c-ink-2);
  padding:8px 0;
}
.nav-menu a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;
  transition:transform var(--t);
}
.nav-menu a:hover{color:var(--c-primary)}
.nav-menu a:hover::after{transform:scaleX(1)}
.nav-menu a.is-active{color:var(--c-primary);font-weight:600}
.nav-menu a.is-active::after{transform:scaleX(1)}
.header-cta{
  display:inline-flex;align-items:center;justify-content:center;
  height:44px;padding:0 20px;border-radius:var(--r-btn);
  background:var(--c-primary);color:#fff;font-size:14.5px;font-weight:600;
  transition:background var(--t),transform var(--t),box-shadow var(--t);
}
.header-cta:hover{background:var(--c-primary-hover);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md)}
.header-cta:active{transform:translateY(0)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-btn);
  border:1px solid var(--c-line);background:#fff;color:var(--c-primary);
  font-size:17px;align-items:center;justify-content:center;cursor:pointer;
  transition:border-color var(--t),background var(--t);
}
.nav-toggle:hover{border-color:var(--c-primary);background:var(--c-primary-soft)}

/* 移动端抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(22,32,46,.45);z-index:1050;
  opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.nav-drawer{
  position:fixed;top:0;right:0;height:100%;width:84vw;max-width:340px;
  background:#fff;z-index:1060;display:flex;flex-direction:column;
  padding:20px;transform:translateX(101%);
  transition:transform 260ms cubic-bezier(.2,.7,.3,1);
  box-shadow:var(--sh-lg);overflow-y:auto;
}
.nav-drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-head span{font-size:13px;color:var(--c-ink-3);letter-spacing:.08em}
.drawer-close{
  width:40px;height:40px;border-radius:10px;border:1px solid var(--c-line);
  background:#fff;color:var(--c-ink-2);cursor:pointer;
}
.drawer-links{display:flex;flex-direction:column;gap:2px;flex:1 1 auto}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;
  height:48px;padding:0 14px;border-radius:10px;font-size:15.5px;
  color:var(--c-ink-2);font-weight:500;
}
.drawer-links a:hover{background:var(--c-primary-soft);color:var(--c-primary)}
.drawer-links a.is-active{background:var(--c-primary-soft);color:var(--c-primary);font-weight:600}
.drawer-cta{margin-top:16px}
.drawer-cta .btn-main{width:100%}

/* ============ 通用按钮 ============ */
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 24px;border-radius:var(--r-btn);border:0;
  background:var(--c-primary);color:#fff;font-size:15px;font-weight:600;
  cursor:pointer;transition:background var(--t),transform var(--t),box-shadow var(--t);
}
.btn-main:hover{background:var(--c-primary-hover);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-md)}
.btn-main:active{transform:translateY(0);box-shadow:var(--sh-sm)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:var(--r-btn);
  background:#fff;border:1px solid var(--c-primary);color:var(--c-primary);
  font-size:15px;font-weight:600;
  transition:background var(--t),border-color var(--t),color var(--t),transform var(--t);
}
.btn-ghost:hover{background:rgba(42,78,143,.06);border-color:var(--c-primary-dark);color:var(--c-primary-dark);transform:translateY(-1px)}
.btn-invert{background:#fff;color:var(--c-primary-dark);border-color:#fff}
.btn-invert:hover{background:#F2F6FD;color:var(--c-primary-dark);border-color:#F2F6FD}
.text-link{
  color:var(--c-primary);font-weight:600;
  border-bottom:1px solid rgba(42,78,143,.35);padding-bottom:1px;
}
.text-link:hover{border-bottom-color:var(--c-primary);color:var(--c-primary-dark)}

/* ============ 页面标题区 ============ */
.page-hero{
  position:relative;overflow:hidden;background:#fff;
  border-bottom:1px solid var(--c-line);
  padding:30px 0 44px;
}
.page-hero::before{
  content:"";position:absolute;top:-180px;right:-120px;width:520px;height:520px;
  background:radial-gradient(circle,rgba(42,78,143,.10) 0%,rgba(42,78,143,0) 68%);
  pointer-events:none;
}
.page-hero .wrap{position:relative}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--c-ink-3);margin-bottom:16px}
.crumb a{color:var(--c-ink-3)}
.crumb a:hover{color:var(--c-primary)}
.crumb i{font-size:10px;color:#B8C3D4}
.crumb .current{color:var(--c-primary);font-weight:600}
.page-hero h1{
  font-size:clamp(28px,3.6vw,40px);line-height:1.25;font-weight:700;
  margin-bottom:14px;
}
.page-hero .hero-desc{
  font-size:16px;line-height:1.8;color:var(--c-ink-2);max-width:760px;
}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.tag{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:var(--r-pill);font-size:12px;font-weight:500;
  background:var(--c-primary-soft);color:var(--c-primary);
}
.tag.accent{background:var(--c-accent-soft);color:#0F7C74}
.tag.neutral{background:#EFF2F7;color:var(--c-ink-2)}
.search-shell{
  display:flex;align-items:center;gap:12px;max-width:540px;height:48px;
  margin-top:24px;padding:0 16px;background:#fff;
  border:1px solid var(--c-line);border-radius:var(--r-btn);
  box-shadow:var(--sh-sm);transition:border-color var(--t),box-shadow var(--t);
}
.search-shell:focus-within{border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(42,78,143,.14)}
.search-shell i{color:var(--c-ink-3);font-size:15px}
.search-shell input{
  flex:1;border:0;outline:0;background:transparent;font-size:15px;color:var(--c-ink);
}
.search-shell input::placeholder{color:#9AA7B8}
.search-shell .search-hint{font-size:12px;color:var(--c-ink-3);white-space:nowrap}

/* ============ 主体两栏 ============ */
.faq-section{padding:56px 0 72px}
.faq-layout{
  display:grid;grid-template-columns:minmax(0,3fr) minmax(0,9fr);
  gap:32px;align-items:start;
}
.faq-side{align-self:start;position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{
  background:var(--c-card);border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-md);padding:22px 18px;
}
.side-title{
  font-size:14px;font-weight:600;color:var(--c-ink-3);
  letter-spacing:.08em;margin-bottom:14px;padding-left:12px;position:relative;
}
.side-title::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:14px;border-radius:2px;background:var(--c-primary);
}
.side-anchors{display:flex;flex-direction:column;gap:4px}
.side-anchors a{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  padding:11px 14px;border-radius:10px;font-size:14.5px;color:var(--c-ink-2);
  border-left:3px solid transparent;transition:background var(--t),color var(--t),border-color var(--t);
}
.side-anchors a:hover{background:var(--c-primary-soft);color:var(--c-primary)}
.side-anchors a.is-current{
  background:var(--c-primary-soft);color:var(--c-primary);
  font-weight:600;border-left-color:var(--c-primary);
}
.side-anchors a span{font-size:12px;color:var(--c-ink-3);font-weight:400}
.side-anchors a.is-current span{color:var(--c-primary)}
.side-photo{padding:0;overflow:hidden}
.side-photo img{width:100%;height:150px;object-fit:cover;border-radius:0}
.side-photo .photo-body{padding:18px}
.side-photo h3{font-size:16px;font-weight:600;margin-bottom:8px}
.side-photo p{font-size:13.5px;line-height:1.7;color:var(--c-ink-2)}
.side-help{
  background:var(--c-primary-soft);border:1px solid rgba(42,78,143,.16);
  border-radius:var(--r-card);padding:20px 18px;
}
.side-help h3{font-size:15.5px;font-weight:600;margin-bottom:8px;color:var(--c-primary-dark)}
.side-help p{font-size:13.5px;line-height:1.7;color:var(--c-ink-2);margin-bottom:14px}
.side-help .btn-ghost{height:42px;font-size:14px;width:100%}

/* ============ FAQ 分组 ============ */
.faq-main{min-width:0}
.faq-group{margin-bottom:44px}
.faq-group:last-child{margin-bottom:0}
.group-head{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding-bottom:14px;margin-bottom:18px;border-bottom:1px solid var(--c-line);
}
.group-head h2{font-size:22px;line-height:1.35;font-weight:700;display:flex;align-items:center;gap:10px}
.group-head h2::before{
  content:"";width:8px;height:8px;border-radius:2px;background:var(--c-accent);flex:0 0 auto;
}
.group-head .group-meta{font-size:13px;color:var(--c-ink-3);white-space:nowrap}

.faq-accordion .accordion-item{
  border:1px solid var(--c-line);border-radius:12px;background:#fff;
  margin-bottom:12px;overflow:hidden;
  transition:box-shadow var(--t),border-color var(--t);
}
.faq-accordion .accordion-item:hover{box-shadow:var(--sh-md);border-color:rgba(42,78,143,.24)}
.faq-accordion .accordion-header{margin:0}
.faq-accordion .accordion-button{
  display:flex;align-items:center;gap:16px;
  width:100%;padding:20px 24px;border:0;border-radius:12px;
  background:#fff;color:var(--c-ink);
  font-size:16px;font-weight:600;line-height:1.5;text-align:left;
  transition:background var(--t),color var(--t),box-shadow var(--t);
}
.faq-accordion .accordion-button:not(.collapsed){
  background:var(--c-primary-soft);color:var(--c-primary);
  box-shadow:inset 3px 0 0 var(--c-primary);
}
.faq-accordion .accordion-button:focus{box-shadow:0 0 0 3px rgba(42,78,143,.16);outline:none}
.faq-accordion .accordion-button:not(.collapsed):focus{box-shadow:inset 3px 0 0 var(--c-primary),0 0 0 3px rgba(42,78,143,.16)}
.faq-accordion .accordion-button::after{
  content:"+";background-image:none;margin-left:auto;flex:0 0 26px;
  width:26px;height:26px;display:flex;align-items:center;justify-content:center;
  font-size:15px;line-height:1;color:var(--c-primary);
  border:1px solid var(--c-line);border-radius:8px;background-color:#fff;
  transition:transform var(--t),border-color var(--t);
}
.faq-accordion .accordion-button:not(.collapsed)::after{
  transform:rotate(45deg);border-color:rgba(42,78,143,.4);
}
.faq-accordion .accordion-body{
  padding:0 24px 22px;font-size:15px;line-height:1.85;color:var(--c-ink-2);
}
.faq-accordion .accordion-body p{margin-bottom:10px}
.faq-accordion .accordion-body p:last-child{margin-bottom:0}
.faq-accordion .accordion-body ul{margin:10px 0 0}
.faq-accordion .accordion-body ul li{
  position:relative;padding-left:18px;margin-bottom:6px;font-size:14.5px;
}
.faq-accordion .accordion-body ul li::before{
  content:"";position:absolute;left:2px;top:11px;width:6px;height:6px;
  border-radius:50%;background:var(--c-accent);
}

/* ============ 速查表板块 ============ */
.check-section{padding:0 0 72px}
.check-panel{
  background:#fff;border:1px solid var(--c-line);border-radius:var(--r-card);
  box-shadow:var(--sh-md);padding:32px;display:grid;
  grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:32px;align-items:start;
}
.check-copy h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;margin-bottom:14px}
.check-copy p{font-size:15px;line-height:1.8;color:var(--c-ink-2);margin-bottom:18px}
.check-copy img{width:100%;height:190px;object-fit:cover;margin-bottom:18px}
.check-list{display:flex;flex-direction:column;gap:12px}
.check-list li{
  display:flex;gap:12px;align-items:flex-start;
  font-size:14.5px;line-height:1.7;color:var(--c-ink-2);
}
.check-list i{color:var(--c-accent);font-size:15px;margin-top:5px}
.table-wrap{
  overflow-x:auto;border:1px solid var(--c-line);border-radius:var(--r-card);
  background:#fff;box-shadow:var(--sh-sm);
}
.check-table{width:100%;border-collapse:collapse;min-width:540px}
.check-table caption{
  caption-side:top;text-align:left;font-size:14px;font-weight:600;
  color:var(--c-primary-dark);padding:18px 20px 0;
}
.check-table th{
  background:var(--c-primary-soft);color:var(--c-primary-dark);
  font-size:13.5px;font-weight:600;text-align:left;
  padding:14px 20px;white-space:nowrap;
}
.check-table td{
  padding:14px 20px;font-size:14.5px;color:var(--c-ink-2);
  border-top:1px solid var(--c-line);vertical-align:top;
}
.check-table tbody tr:nth-child(even){background:#FAFBFE}
.check-table td:first-child{color:var(--c-ink);font-weight:600}

/* ============ 相关入口 ============ */
.entry-section{padding:0 0 80px}
.section-head{margin-bottom:26px;max-width:720px}
.section-head h2{font-size:clamp(22px,2.8vw,30px);line-height:1.3;margin-bottom:10px}
.section-head p{font-size:15px;line-height:1.8;color:var(--c-ink-2)}
.entry-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(260px,1fr));gap:24px}
.entry-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--c-line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-md);
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.entry-card:hover{transform:translateY(-4px);box-shadow:var(--sh-lg);border-color:rgba(42,78,143,.24)}
.entry-card .thumb{overflow:hidden}
.entry-card .thumb img{width:100%;height:168px;object-fit:cover;border-radius:0;transition:transform var(--t)}
.entry-card:hover .thumb img{transform:scale(1.03)}
.entry-card .entry-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.entry-card h3{font-size:18px;font-weight:600;line-height:1.4}
.entry-card p{font-size:14px;line-height:1.75;color:var(--c-ink-2);flex:1}
.entry-card .entry-link{font-size:14px;font-weight:600;color:var(--c-primary)}
.entry-card .entry-link i{font-size:12px;margin-left:6px;transition:transform var(--t);display:inline-block}
.entry-card:hover .entry-link i{transform:translateX(3px)}

/* ============ 底部 CTA ============ */
.cta-band{background:var(--c-primary-dark);padding:56px 0;position:relative;overflow:hidden}
.cta-band::after{
  content:"";position:absolute;right:-100px;bottom:-140px;width:420px;height:420px;
  background:radial-gradient(circle,rgba(23,163,152,.22) 0%,rgba(23,163,152,0) 70%);
  pointer-events:none;
}
.cta-inner{position:relative;max-width:720px;margin:0 auto;text-align:center}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.8vw,28px);line-height:1.35;margin-bottom:12px}
.cta-inner p{color:rgba(255,255,255,.78);font-size:15px;line-height:1.8;margin-bottom:26px}
.cta-actions{display:flex;gap:14px;justify-content:center;flex-wrap:wrap}

/* ============ 页脚 ============ */
.site-footer{background:var(--c-primary-dark);color:rgba(255,255,255,.72);padding:64px 0 32px}
.footer-grid{
  display:grid;grid-template-columns:2fr 1fr 1fr 1.3fr;gap:40px;
  padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-brand .brand-mark i{background:rgba(255,255,255,.9)}
.footer-brand .brand-mark i:nth-child(2),
.footer-brand .brand-mark i:nth-child(3){background:var(--c-accent)}
.footer-brand .brand-text strong{color:#fff;font-size:17px}
.footer-brand .brand-text em{color:rgba(255,255,255,.6)}
.site-footer p{font-size:14px;line-height:1.8}
.footer-col h4{
  color:#fff;font-size:14px;font-weight:600;margin-bottom:16px;letter-spacing:.02em;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col ul a{color:rgba(255,255,255,.72);font-size:14px;transition:color var(--t)}
.footer-col ul a:hover{color:#fff;text-decoration:underline}
.footer-contact li{display:flex;gap:10px;align-items:flex-start;font-size:14px;line-height:1.7}
.footer-contact i{color:var(--c-accent);margin-top:5px;width:14px;flex:0 0 14px;font-size:13px}
.footer-qr{
  display:inline-flex;align-items:center;gap:10px;margin-top:18px;
  padding:10px 14px;border:1px dashed rgba(255,255,255,.28);border-radius:10px;
  font-size:13px;color:rgba(255,255,255,.75);
}
.footer-qr i{font-size:20px;color:#fff}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding-top:24px;font-size:13px;color:rgba(255,255,255,.58);flex-wrap:wrap;
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .faq-layout{grid-template-columns:minmax(0,4fr) minmax(0,8fr)}
}
@media (max-width:991px){
  .wrap{padding:0 24px}
  .nav-menu{display:none}
  .header-cta{display:none}
  .nav-toggle{display:inline-flex}
  .header-inner{gap:12px;justify-content:space-between}
  .page-hero{padding:24px 0 36px}
  .faq-section{padding:44px 0 56px}
  .faq-layout{grid-template-columns:1fr;gap:24px}
  .faq-side{position:static;flex-direction:column}
  .side-anchors{
    flex-direction:row;gap:10px;overflow-x:auto;padding-bottom:6px;
  }
  .side-anchors a{
    white-space:nowrap;border-left:0;border:1px solid var(--c-line);
    background:#fff;font-size:14px;padding:9px 16px;border-radius:var(--r-pill);
  }
  .side-anchors a.is-current{border-color:var(--c-primary);background:var(--c-primary-soft)}
  .side-anchors a span{display:none}
  .check-panel{grid-template-columns:1fr;padding:24px}
  .check-copy img{height:180px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:575px){
  .wrap{padding:0 20px}
  body{font-size:15.5px}
  .header-inner{height:60px}
  .brand-text strong{font-size:16px}
  .brand-text em{font-size:10px}
  .page-hero h1{font-size:26px}
  .hero-desc{font-size:15px}
  .search-shell .search-hint{display:none}
  .faq-accordion .accordion-button{padding:16px 18px;font-size:15px}
  .faq-accordion .accordion-body{padding:0 18px 18px;font-size:14.5px}
  .group-head{flex-direction:column;align-items:flex-start;gap:6px}
  .group-head h2{font-size:19px}
  .check-section{padding-bottom:56px}
  .entry-section{padding-bottom:60px}
  .cta-band{padding:44px 0}
  .cta-actions .btn-main,.cta-actions .btn-ghost{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:6px}
}