/* roulang page: index */
:root{
  --brand:#1259C3;
  --brand-dark:#0B3E8C;
  --brand-light:#2E7BE0;
  --amber:#E2733C;
  --amber-dark:#C75F2C;
  --ok:#12A37A;
  --err:#C6392F;
  --bg:#F7F9FC;
  --card:#FFFFFF;
  --badge:#EEF4FF;
  --line:#E3E9F0;
  --t1:#0B1F33;
  --t2:#33475B;
  --t3:#6B7C8F;
  --r-card:12px;
  --r-btn:8px;
  --r-badge:4px;
  --sh-card:0 2px 8px rgba(11,31,51,.06);
  --sh-hover:0 8px 24px rgba(11,31,51,.10);
  --sh-nav:0 1px 0 #E3E9F0, 0 2px 10px rgba(11,31,51,.04);
  --sp-section:64px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--t2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;color:var(--t1);font-weight:600;letter-spacing:0;line-height:1.35;}
h1{font-size:40px;font-weight:700;}
h2{font-size:30px;}
h3{font-size:22px;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-light);}
button{font-family:inherit;cursor:pointer;border:0;background:none;}
input,textarea,select{font-family:inherit;font-size:15px;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px;}
.section{padding-top:var(--sp-section);padding-bottom:var(--sp-section);}
.section-alt{background:linear-gradient(90deg,#EEF4FF 0%,#FFFFFF 100%);}
.section-head{margin-bottom:32px;max-width:760px;}
.section-head h2{margin-bottom:12px;}
.section-head p{color:var(--t3);font-size:16px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:500;color:var(--brand);
  background:var(--badge);border-radius:var(--r-badge);
  padding:4px 10px;margin-bottom:14px;
}

/* ============ 按钮 ============ */
.btn-main,.btn-ghost,.btn-amber,.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:500;line-height:1;
  transition:background-color .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-main{background:var(--brand);color:#fff;}
.btn-main:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);}
.btn-ghost{background:#fff;color:var(--brand);border:1px solid var(--line);}
.btn-ghost:hover{border-color:var(--brand-light);color:var(--brand-dark);transform:translateY(-1px);}
.btn-amber{background:var(--amber);color:#fff;}
.btn-amber:hover{background:var(--amber-dark);color:#fff;transform:translateY(-1px);}
.btn-line{background:#fff;color:var(--t2);border:1px solid var(--line);height:42px;padding:0 18px;font-size:14px;}
.btn-line:hover{border-color:var(--brand);color:var(--brand);}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-block{width:100%;}

/* ============ 吸顶导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;box-shadow:var(--sh-nav);
  transition:padding .2s ease;
}
.head-top{
  display:flex;align-items:center;gap:24px;
  height:72px;transition:height .2s ease;
}
.site-header.is-compact .head-top{height:56px;}
.brand{display:flex;align-items:center;gap:2px;flex:0 0 auto;font-weight:700;}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--brand);color:#fff;
  height:30px;padding:0 9px;border-radius:var(--r-badge);
  font-size:15px;letter-spacing:0;
}
.brand-text{color:var(--t1);font-size:17px;}
.head-search{
  flex:1 1 auto;max-width:380px;position:relative;
}
.head-search svg{position:absolute;left:12px;top:50%;transform:translateY(-50%);color:var(--t3);}
.head-search input{
  width:100%;height:40px;padding:0 14px 0 38px;
  border:1px solid var(--line);border-radius:var(--r-btn);
  background:var(--bg);color:var(--t1);
  transition:border-color .2s ease,background-color .2s ease;
}
.head-search input::placeholder{color:var(--t3);}
.head-search input:focus{
  border-color:var(--brand);background:#fff;outline:none;
  box-shadow:0 0 0 3px rgba(18,89,195,.12);
}
.head-right{display:flex;align-items:center;gap:14px;margin-left:auto;flex:0 0 auto;}
.hot-chips{display:flex;align-items:center;gap:8px;transition:opacity .2s ease,max-width .2s ease;}
.site-header.is-compact .hot-chips{opacity:0;max-width:0;overflow:hidden;pointer-events:none;}
.chip{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;
  border-radius:999px;font-size:13px;color:var(--t2);
  background:var(--badge);border:1px solid transparent;
  transition:color .2s ease,background-color .2s ease;
}
.chip:hover{color:var(--brand);background:#E1ECFF;}
.head-cta{height:36px;padding:0 16px;font-size:14px;border-radius:var(--r-btn);}
.nav-burger{
  display:none;width:40px;height:40px;border:1px solid var(--line);
  border-radius:var(--r-btn);align-items:center;justify-content:center;color:var(--t1);
}
.head-nav{border-top:1px solid var(--line);}
.head-nav ul{display:flex;align-items:center;gap:28px;height:48px;overflow-x:auto;}
.head-nav a{
  display:inline-flex;align-items:center;height:48px;
  font-size:15px;color:var(--t2);position:relative;
  border-bottom:3px solid transparent;transition:color .2s ease;
}
.head-nav a:hover{color:var(--brand);}
.head-nav a.active{color:var(--brand-dark);font-weight:600;border-bottom-color:var(--brand);}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,31,51,.45);z-index:1040;
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:300px;max-width:86vw;
  background:#fff;z-index:1050;padding:22px 20px;
  transform:translateX(100%);transition:transform .28s ease;
  overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer h4{font-size:15px;color:var(--t3);font-weight:500;margin:18px 0 10px;}
.drawer-links a{
  display:block;padding:11px 0;font-size:16px;color:var(--t1);
  border-bottom:1px solid var(--line);
}
.drawer-links a.active{color:var(--brand);font-weight:600;}
.drawer-close{
  display:flex;align-items:center;justify-content:space-between;
  padding-bottom:14px;border-bottom:1px solid var(--line);
}
.drawer-close button{font-size:22px;color:var(--t3);line-height:1;}
.drawer-search{margin-top:16px;position:relative;}
.drawer-search input{
  width:100%;height:44px;padding:0 14px;border:1px solid var(--line);
  border-radius:var(--r-btn);background:var(--bg);color:var(--t1);
}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;
  background-color:#F5F8FE;
  background-image:linear-gradient(90deg,rgba(247,249,252,.94) 0%,rgba(247,249,252,.82) 55%,rgba(247,249,252,.72) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
}
.hero-inner{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  padding-top:72px;padding-bottom:72px;
}
.hero h1{margin-bottom:18px;}
.hero-sub{font-size:18px;color:var(--t2);max-width:520px;margin-bottom:26px;}
.hero-actions{display:flex;gap:14px;flex-wrap:wrap;margin-bottom:30px;}
.hero-points{display:flex;gap:26px;flex-wrap:wrap;}
.hero-points li{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--t3);}
.dot-ok{width:8px;height:8px;border-radius:50%;background:var(--ok);flex:0 0 auto;}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;
  border-radius:var(--r-card);box-shadow:var(--sh-hover);
}
.float-card{
  position:absolute;left:-16px;bottom:26px;
  background:#fff;border-radius:var(--r-card);box-shadow:var(--sh-hover);
  padding:14px 18px;display:flex;align-items:center;gap:10px;
  border:1px solid var(--line);
}
.float-card .status{font-size:14px;color:var(--t1);font-weight:500;}
.float-card .status small{display:block;font-size:12px;color:var(--t3);font-weight:400;}

/* ============ 信任条 ============ */
.trust-bar{background:#fff;border-bottom:1px solid var(--line);}
.trust-grid{
  display:grid;grid-template-columns:repeat(4,1fr);gap:0;
}
.trust-item{
  padding:26px 24px;border-right:1px solid var(--line);
  display:flex;gap:14px;align-items:flex-start;
}
.trust-item:last-child{border-right:0;}
.trust-icon{
  width:40px;height:40px;flex:0 0 auto;border-radius:10px;
  background:var(--badge);color:var(--brand);
  display:flex;align-items:center;justify-content:center;
}
.trust-item h3{font-size:16px;margin-bottom:4px;}
.trust-item p{font-size:14px;color:var(--t3);line-height:1.6;}

/* ============ 权益对比表 ============ */
.compare-wrap{overflow:hidden;border-radius:var(--r-card);}
table.compare{
  width:100%;border-collapse:separate;border-spacing:0;background:#fff;
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card);
}
table.compare th,table.compare td{
  padding:0 22px;height:52px;text-align:left;font-size:15px;
  border-bottom:1px solid var(--line);vertical-align:middle;
}
table.compare thead th{
  height:auto;padding-top:20px;padding-bottom:20px;
  background:#fff;position:sticky;top:0;
}
table.compare th.col-name{font-size:15px;color:var(--t3);font-weight:500;}
table.compare thead th .plan{font-size:18px;color:var(--t1);font-weight:600;display:block;}
table.compare thead th .plan-sub{font-size:13px;color:var(--t3);font-weight:400;display:block;margin-top:2px;}
table.compare th.recommend,table.compare td.recommend{
  background:var(--badge);position:relative;
}
table.compare thead th.recommend::before{
  content:"";position:absolute;left:0;right:0;top:0;height:3px;background:var(--brand);
}
.rec-badge{
  position:absolute;top:12px;right:14px;
  background:var(--amber);color:#fff;font-size:12px;
  padding:2px 8px;border-radius:var(--r-badge);font-weight:500;
}
table.compare tbody tr:last-child td{border-bottom:0;}
.ck{display:inline-flex;align-items:center;gap:8px;color:var(--t2);font-size:14px;}
.ck svg{color:var(--brand);flex:0 0 auto;}
.dash{display:inline-block;width:14px;height:2px;background:#C9D3DF;border-radius:2px;}
.compare-mobile{display:none;}

/* ============ 等级亮点 ============ */
.tier-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:center;
}
.tier{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 24px;transition:transform .2s ease,box-shadow .2s ease;
}
.tier.feature{
  transform:scale(1.04);border:1px solid var(--brand);box-shadow:var(--sh-hover);
  padding:32px 26px;background:#fff;
}
.tier:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);}
.tier.feature:hover{transform:scale(1.04) translateY(-2px);}
.tier-badge{
  display:inline-block;font-size:12px;font-weight:500;
  padding:3px 9px;border-radius:var(--r-badge);margin-bottom:12px;
}
.badge-plain{background:var(--badge);color:var(--brand);}
.badge-amber{background:var(--amber);color:#fff;}
.badge-dark{background:#0B1F33;color:#fff;}
.tier h3{margin-bottom:6px;}
.tier .tier-desc{font-size:14px;color:var(--t3);margin-bottom:18px;}
.tier ul{margin-bottom:22px;}
.tier li{
  font-size:14px;color:var(--t2);padding:11px 0;border-bottom:1px solid var(--line);
  display:flex;gap:10px;align-items:flex-start;
}
.tier li:last-child{border-bottom:0;}
.tier li svg{color:var(--brand);flex:0 0 auto;margin-top:4px;}

/* ============ 专属内容预览 ============ */
.preview-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.preview-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-card);
  transition:transform .2s ease,box-shadow .2s ease;
}
.preview-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);}
.preview-media{position:relative;overflow:hidden;}
.preview-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease;}
.preview-card:hover .preview-media img{transform:scale(1.03);}
.lock-veil{
  position:absolute;inset:0;background:rgba(247,249,252,.72);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;
  color:var(--brand-dark);transition:background-color .2s ease;
}
.preview-card:hover .lock-veil{background:rgba(247,249,252,.55);}
.lock-veil span{font-size:13px;color:var(--t2);}
.preview-body{padding:20px 22px 24px;}
.preview-body h3{font-size:18px;margin-bottom:8px;}
.preview-body p{font-size:14px;color:var(--t3);}
.preview-tag{
  display:inline-block;font-size:12px;color:var(--brand);
  background:var(--badge);padding:2px 8px;border-radius:var(--r-badge);margin-bottom:10px;
}

/* ============ 最新信息 ============ */
.news-layout{display:grid;grid-template-columns:1.1fr 1fr;gap:28px;align-items:start;}
.news-main{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-card);display:block;
  transition:transform .2s ease,box-shadow .2s ease;
}
.news-main:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);}
.news-main img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.news-main-body{padding:22px 24px 26px;}
.news-main-body h3{font-size:20px;margin:10px 0 10px;}
.news-main-body p{font-size:15px;color:var(--t3);}
.meta-row{display:flex;align-items:center;gap:12px;font-size:13px;color:var(--t3);}
.meta-tag{
  font-size:12px;color:var(--brand);background:var(--badge);
  padding:2px 8px;border-radius:var(--r-badge);
}
.news-list{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-card);overflow:hidden;}
.news-item{
  display:block;padding:18px 22px;border-bottom:1px solid var(--line);
  transition:background-color .2s ease;
}
.news-item:last-child{border-bottom:0;}
.news-item:hover{background:#FAFCFF;}
.news-item h3{font-size:16px;font-weight:600;margin-bottom:6px;transition:color .2s ease;display:flex;justify-content:space-between;gap:14px;align-items:flex-start;}
.news-item:hover h3{color:var(--brand);}
.news-item p{
  font-size:14px;color:var(--t3);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  margin-bottom:8px;
}
.arrow{color:var(--t3);flex:0 0 auto;transition:transform .2s ease,color .2s ease;margin-top:3px;}
.news-item:hover .arrow{color:var(--brand);transform:translateX(3px);}
.empty-state{
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);
  padding:56px 24px;text-align:center;color:var(--t3);
}
.empty-state svg{color:var(--brand-light);margin-bottom:12px;}
.empty-state p{margin-bottom:16px;font-size:15px;}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;}
.accordion-item{
  border:0;border-bottom:1px solid var(--line);background:transparent;
}
.accordion-item:first-of-type{border-top:1px solid var(--line);}
.accordion-button{
  background:transparent;box-shadow:none;padding:22px 44px 22px 0;
  font-size:17px;font-weight:500;color:var(--t1);
  border-radius:0;position:relative;line-height:1.5;
}
.accordion-button::after{
  content:"+";background-image:none;font-size:22px;font-weight:400;color:var(--brand);
  width:auto;height:auto;position:absolute;right:6px;top:50%;transform:translateY(-50%);
  transition:transform .2s ease;
}
.accordion-button:not(.collapsed){
  color:var(--brand-dark);font-weight:600;background:transparent;box-shadow:none;
  padding-left:16px;
}
.accordion-button:not(.collapsed)::before{
  content:"";position:absolute;left:0;top:22px;bottom:22px;width:3px;
  background:var(--brand);border-radius:2px;
}
.accordion-button:not(.collapsed)::after{content:"−";}
.accordion-button:focus{box-shadow:none;outline:2px solid var(--brand);outline-offset:-2px;}
.accordion-body{padding:0 40px 24px 0;font-size:15px;color:var(--t2);}
.accordion-button:not(.collapsed) + .accordion-collapse .accordion-body{padding-left:16px;}

/* ============ CTA 表单 ============ */
.cta-band{
  background:linear-gradient(90deg,#EEF4FF 0%,#FFFFFF 100%);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.cta-inner{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.cta-copy h2{margin-bottom:14px;}
.cta-copy p{color:var(--t2);font-size:16px;margin-bottom:18px;}
.cta-copy ul{display:flex;flex-wrap:wrap;gap:10px;}
.cta-copy li{
  font-size:13px;color:var(--brand-dark);background:#fff;
  border:1px solid var(--line);border-radius:999px;padding:5px 13px;
}
.cta-form{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);padding:26px;
}
.field{margin-bottom:16px;}
.field label{display:block;font-size:14px;color:var(--t1);margin-bottom:7px;font-weight:500;}
.field input,.field textarea{
  width:100%;height:44px;padding:0 14px;border:1px solid var(--line);
  border-radius:var(--r-btn);background:#fff;color:var(--t1);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{height:88px;padding:11px 14px;resize:vertical;line-height:1.6;}
.field input:focus,.field textarea:focus{
  border-color:var(--brand);outline:none;box-shadow:0 0 0 3px rgba(18,89,195,.14);
}
.field input.is-invalid,.field textarea.is-invalid{border-color:var(--err);box-shadow:0 0 0 3px rgba(198,57,47,.12);}
.field .err-msg{display:none;font-size:13px;color:var(--err);margin-top:6px;}
.field.has-error .err-msg{display:block;}
.form-note{font-size:14px;color:var(--t3);margin-top:14px;line-height:1.6;}
.form-alert{
  display:none;font-size:14px;padding:11px 14px;border-radius:var(--r-btn);
  background:rgba(18,163,122,.10);color:#0E7F60;border:1px solid rgba(18,163,122,.28);
  margin-bottom:16px;
}
.form-alert.show{display:block;}

/* ============ 页脚 ============ */
.site-footer{background:#0B1F33;color:#C6D3E1;padding-top:56px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:44px;}
.footer-brand .brand-mark{height:28px;}
.footer-brand .brand-text{color:#fff;font-size:16px;}
.footer-brand p{font-size:14px;color:#93A6BA;margin-top:14px;line-height:1.75;max-width:290px;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:600;}
.footer-col a,.footer-col li{display:block;font-size:14px;color:#A9BACB;padding:5px 0;}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.10);padding:20px 0 26px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8399AE;
}
.footer-acc-btn{display:none;}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  h1{font-size:34px;}
  h2{font-size:26px;}
  .hero-inner{gap:36px;padding-top:56px;padding-bottom:56px;}
  .head-search{max-width:280px;}
}
@media (max-width:991.98px){
  :root{--sp-section:48px;}
  .head-top{height:62px;gap:14px;}
  .head-search{display:none;}
  .hot-chips{display:none;}
  .nav-burger{display:flex;}
  .head-nav ul{gap:20px;}
  .hero-inner{grid-template-columns:1fr;gap:32px;padding-top:44px;padding-bottom:48px;}
  .hero h1{font-size:30px;}
  .hero-sub{font-size:17px;}
  .float-card{left:12px;bottom:12px;}
  .trust-grid{grid-template-columns:1fr 1fr;}
  .trust-item{border-right:0;border-bottom:1px solid var(--line);}
  .tier-grid{grid-template-columns:1fr;gap:18px;}
  .tier.feature{transform:none;padding:26px 24px;}
  .tier.feature:hover{transform:translateY(-2px);}
  .preview-grid{grid-template-columns:1fr 1fr;}
  .news-layout{grid-template-columns:1fr;}
  .cta-inner{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .compare-desktop{display:none;}
  .compare-mobile{display:grid;gap:16px;}
}
@media (max-width:767.98px){
  body{font-size:15px;}
  h1{font-size:26px;}
  .hero h1{font-size:26px;}
  h2{font-size:22px;}
  h3{font-size:18px;}
  .section-head h2{margin-bottom:10px;}
  .brand-text{font-size:15px;}
  .brand-mark{height:26px;font-size:13px;padding:0 7px;}
  .trust-grid{grid-template-columns:1fr;}
  .preview-grid{grid-template-columns:1fr;}
  .hero-actions .btn-main,.hero-actions .btn-ghost{flex:1 1 100%;}
  .footer-grid{grid-template-columns:1fr;gap:0;}
  .footer-col{border-bottom:1px solid rgba(255,255,255,.10);padding:16px 0;}
  .footer-col h4{margin-bottom:0;display:flex;justify-content:space-between;align-items:center;cursor:pointer;}
  .footer-col h4::after{content:"+";font-size:18px;color:#8399AE;}
  .footer-col.open h4::after{content:"−";}
  .footer-col ul{display:none;padding-top:10px;}
  .footer-col.open ul{display:block;}
  .footer-brand p{margin-top:12px;max-width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important;}
  .btn-main:hover,.btn-ghost:hover,.btn-amber:hover{transform:none;}
  .preview-card:hover,.news-main:hover,.tier:hover{transform:none;}
  .preview-card:hover .preview-media img{transform:none;}
}

/* roulang page: category1 */
:root{
  --brand:#1259C3;
  --brand-deep:#0B3E8C;
  --brand-light:#2E7BE0;
  --amber:#E2733C;
  --amber-deep:#C85F2C;
  --ok:#12A37A;
  --err:#C6392F;
  --bg:#F7F9FC;
  --card:#FFFFFF;
  --badge-bg:#EEF4FF;
  --line:#E3E9F0;
  --t1:#0B1F33;
  --t2:#33475B;
  --t3:#6B7C8F;
  --r-card:12px;
  --r-btn:8px;
  --r-input:8px;
  --r-badge:4px;
  --sh-card:0 2px 8px rgba(11,31,51,.06);
  --sh-hover:0 8px 24px rgba(11,31,51,.10);
  --sec-pad:64px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--t2);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-deep);}
h1,h2,h3,h4{margin:0;color:var(--t1);font-weight:600;letter-spacing:0;line-height:1.35;}
h1{font-size:40px;}
h2{font-size:30px;}
h3{font-size:22px;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding-left:20px;
  padding-right:20px;
}

/* ---------- 按钮 ---------- */
.btn-brand,.btn-ghost,.btn-amber{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--r-btn);
  font-size:15px;font-weight:500;line-height:1;cursor:pointer;
  border:1px solid transparent;
  transition:background-color .2s ease, color .2s ease, border-color .2s ease, transform .2s ease;
}
.btn-brand{background:var(--brand);border-color:var(--brand);color:#fff;}
.btn-brand:hover{background:var(--brand-deep);border-color:var(--brand-deep);color:#fff;transform:translateY(-1px);}
.btn-ghost{background:transparent;border-color:#B9CEEA;color:var(--brand);}
.btn-ghost:hover{background:var(--badge-bg);border-color:var(--brand-light);color:var(--brand-deep);transform:translateY(-1px);}
.btn-amber{background:var(--amber);border-color:var(--amber);color:#fff;}
.btn-amber:hover{background:var(--amber-deep);border-color:var(--amber-deep);color:#fff;transform:translateY(-1px);}
.btn-brand:active,.btn-ghost:active,.btn-amber:active{transform:translateY(0);}
.btn-sm{height:36px;padding:0 16px;font-size:14px;}

/* ---------- 头部与导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--line);
  box-shadow:0 1px 0 rgba(11,31,51,.03),0 2px 10px rgba(11,31,51,.04);
}
.head-top{
  display:flex;align-items:center;gap:22px;
  height:64px;
  transition:height .25s ease;
}
.brand{
  display:inline-flex;align-items:center;gap:8px;
  font-weight:700;text-decoration:none;white-space:nowrap;
}
.brand-mark{
  display:inline-block;background:var(--brand);color:#fff;
  padding:3px 9px;border-radius:6px;font-size:16px;letter-spacing:1px;
}
.brand-text{font-size:16px;color:var(--t1);font-weight:700;letter-spacing:0;}
.head-search{
  flex:1 1 auto;max-width:420px;
  display:flex;align-items:center;gap:8px;
  height:40px;padding:0 14px;
  background:var(--bg);
  border:1px solid var(--line);
  border-radius:var(--r-input);
  color:var(--t3);
  transition:border-color .2s ease, background-color .2s ease;
}
.head-search:focus-within{border-color:var(--brand-light);background:#fff;}
.head-search input{
  flex:1;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--t2);font-family:inherit;
}
.head-search input::placeholder{color:var(--t3);}
.head-right{display:flex;align-items:center;gap:14px;margin-left:auto;}
.hot-chips{display:flex;align-items:center;gap:8px;}
.chip{
  display:inline-flex;align-items:center;
  height:30px;padding:0 12px;border-radius:999px;
  background:var(--badge-bg);color:var(--brand-deep);
  font-size:13px;white-space:nowrap;
  transition:background-color .2s ease,color .2s ease;
}
.chip:hover{background:#DDE9FF;color:var(--brand-deep);}
.head-cta{height:36px;padding:0 16px;font-size:14px;}
.nav-burger{
  display:none;align-items:center;justify-content:center;
  width:40px;height:40px;border-radius:var(--r-btn);
  background:#fff;border:1px solid var(--line);color:var(--t1);
  cursor:pointer;
}
.nav-burger:hover{border-color:var(--brand-light);color:var(--brand);}
.head-nav{border-top:1px solid transparent;}
.head-nav ul{display:flex;gap:30px;}
.head-nav a{
  display:inline-block;padding:13px 0 12px;
  font-size:15px;color:var(--t2);
  border-bottom:3px solid transparent;
  transition:color .2s ease,border-color .2s ease;
}
.head-nav a:hover{color:var(--brand);}
.head-nav a.active{color:var(--brand-deep);font-weight:600;border-bottom-color:var(--brand);}

body.nav-compact .head-top{height:46px;}
body.nav-compact .brand-text{font-size:14px;}
body.nav-compact .hot-chips{display:none;}
body.nav-compact .head-search{max-width:320px;height:36px;}
body.nav-compact .head-nav a{padding:9px 0 8px;}

/* ---------- 移动抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(11,31,51,.42);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:1040;
}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:308px;max-width:86vw;
  background:#fff;z-index:1050;padding:22px 20px;
  transform:translateX(100%);transition:transform .28s ease;
  overflow-y:auto;
}
body.drawer-open .drawer{transform:translateX(0);}
body.drawer-open .drawer-mask{opacity:1;visibility:visible;}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px;}
.drawer-close{
  width:36px;height:36px;border-radius:var(--r-btn);border:1px solid var(--line);
  background:#fff;color:var(--t1);cursor:pointer;font-size:18px;line-height:1;
}
.drawer-nav li+li{margin-top:4px;}
.drawer-nav a{
  display:block;padding:12px 12px;border-radius:var(--r-btn);
  color:var(--t2);font-size:15px;
}
.drawer-nav a.active{background:var(--badge-bg);color:var(--brand-deep);font-weight:600;}
.drawer-search{
  display:flex;align-items:center;gap:8px;margin:18px 0;
  height:44px;padding:0 14px;border:1px solid var(--line);
  border-radius:var(--r-input);background:var(--bg);
}
.drawer-search input{flex:1;border:0;background:transparent;outline:none;font-size:14px;font-family:inherit;color:var(--t2);}

/* ---------- 分类首屏 ---------- */
.page-hero{
  position:relative;
  padding:56px 0 52px;
  background-image:linear-gradient(90deg,rgba(247,249,252,.96) 0%,rgba(247,249,252,.86) 52%,rgba(238,244,255,.72) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  border-bottom:1px solid var(--line);
}
.crumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--t3);margin-bottom:18px;}
.crumb a{color:var(--t3);}
.crumb a:hover{color:var(--brand);}
.page-hero h1{max-width:880px;margin-bottom:16px;}
.hero-lead{max-width:760px;font-size:17px;color:var(--t2);margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:26px;margin-top:32px;
  padding-top:22px;border-top:1px solid var(--line);
}
.hero-meta div{min-width:120px;}
.hero-meta b{display:block;font-size:22px;color:var(--brand-deep);font-weight:700;line-height:1.3;}
.hero-meta span{font-size:13px;color:var(--t3);}
.tag-row{
  display:flex;flex-wrap:wrap;gap:10px;align-items:center;
  margin-top:26px;
}
.tag-row .label{font-size:13px;color:var(--t3);margin-right:2px;}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;
  border-radius:999px;border:1px solid var(--line);background:#fff;
  font-size:13px;color:var(--t2);transition:all .2s ease;
}
.tag:hover{border-color:var(--brand-light);color:var(--brand);}
.tag.on{background:var(--brand);border-color:var(--brand);color:#fff;}

/* ---------- 通用区块 ---------- */
.section{padding:var(--sec-pad) 0;}
.section-alt{background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-head{margin-bottom:34px;}
.sec-head .kicker{
  display:inline-block;margin-bottom:10px;
  font-size:13px;color:var(--brand);
  background:var(--badge-bg);border-radius:var(--r-badge);
  padding:3px 10px;
}
.sec-head h2{margin-bottom:12px;}
.sec-head p{max-width:760px;color:var(--t3);font-size:15px;}

/* ---------- 精选首卡 + 横向媒体卡 ---------- */
.feature-top{
  position:relative;display:block;border-radius:var(--r-card);overflow:hidden;
  background:#fff;box-shadow:var(--sh-card);margin-bottom:24px;
  transition:box-shadow .2s ease,transform .2s ease;
}
.feature-top:hover{box-shadow:var(--sh-hover);transform:translateY(-2px);}
.feature-top .cover{position:relative;width:100%;aspect-ratio:16/9;overflow:hidden;}
.feature-top .cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.feature-top:hover .cover img{transform:scale(1.03);}
.feature-top .cover::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,31,51,0) 40%,rgba(11,31,51,.62) 100%);
}
.feature-top .overlay{
  position:absolute;left:0;right:0;bottom:0;padding:26px 30px;color:#fff;
}
.feature-top .overlay .badge-line{
  display:inline-flex;align-items:center;gap:6px;margin-bottom:12px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.35);
  color:#fff;font-size:12px;padding:3px 10px;border-radius:var(--r-badge);
}
.feature-top .overlay h3{color:#fff;font-size:26px;margin-bottom:10px;}
.feature-top .overlay p{color:rgba(255,255,255,.88);font-size:15px;max-width:760px;}
.meta-line{display:flex;flex-wrap:wrap;gap:16px;font-size:13px;color:var(--t3);margin-top:14px;}
.feature-top .meta-line{color:rgba(255,255,255,.82);}

.media-list{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.media-card{
  display:flex;gap:16px;padding:16px;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-card);
  transition:box-shadow .2s ease,transform .2s ease,border-color .2s ease;
}
.media-card:hover{box-shadow:var(--sh-hover);transform:translateY(-2px);border-color:#D5E3F6;}
.media-card .thumb{
  flex:0 0 152px;width:152px;aspect-ratio:4/3;border-radius:10px;overflow:hidden;background:var(--badge-bg);
}
.media-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.media-card:hover .thumb img{transform:scale(1.03);}
.media-card .body{flex:1;min-width:0;}
.media-card h3{font-size:18px;margin-bottom:8px;}
.media-card:hover h3{color:var(--brand);}
.media-card p{font-size:14px;color:var(--t3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.media-card .meta-line{margin-top:10px;gap:12px;}

/* ---------- 场景区 ---------- */
.scene-grid{display:grid;grid-template-columns:1.15fr 1fr;gap:24px;}
.scene-main{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-card);
}
.scene-main h3{font-size:22px;margin-bottom:12px;}
.scene-main p{color:var(--t2);font-size:15px;margin-bottom:18px;}
.feature-list li{
  display:flex;gap:10px;padding:12px 0;font-size:15px;color:var(--t2);
  border-top:1px solid var(--line);
}
.feature-list li:first-child{border-top:0;padding-top:0;}
.feature-list svg{flex:0 0 18px;margin-top:5px;color:var(--brand);}
.scene-side{display:grid;gap:24px;}
.scene-mini{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-card);
  transition:box-shadow .2s ease,transform .2s ease;
}
.scene-mini:hover{box-shadow:var(--sh-hover);transform:translateY(-2px);}
.scene-mini span.dot{
  display:inline-block;width:8px;height:8px;border-radius:50%;background:var(--ok);margin-right:8px;
}
.scene-mini h3{font-size:18px;margin-bottom:8px;}
.scene-mini p{font-size:14px;color:var(--t3);}

/* ---------- 时间线 ---------- */
.timeline{position:relative;padding-left:34px;}
.timeline::before{
  content:"";position:absolute;left:7px;top:8px;bottom:8px;width:2px;background:var(--line);
}
.tl-item{position:relative;padding-bottom:30px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-34px;top:6px;
  width:16px;height:16px;border-radius:50%;
  background:#fff;border:3px solid var(--brand);
}
.tl-num{
  display:block;font-size:20px;font-weight:700;color:var(--brand);line-height:1.2;margin-bottom:6px;
}
.tl-item h3{font-size:19px;margin-bottom:8px;}
.tl-item p{font-size:15px;color:var(--t2);max-width:820px;}
.tl-item .meta-line{margin-top:8px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:920px;margin:0 auto;}
.accordion-item{
  background:#fff;border:1px solid var(--line)!important;border-radius:0!important;
  box-shadow:none!important;margin-bottom:-1px;
}
.accordion-button{
  background:#fff!important;color:var(--t1)!important;
  font-size:16px;font-weight:500;padding:20px 22px;
  box-shadow:none!important;border-radius:0!important;
  position:relative;
}
.accordion-button::after{display:none;}
.accordion-button::before{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  font-size:20px;font-weight:400;color:var(--brand);line-height:1;
}
.accordion-button:not(.collapsed)::before{content:"–";}
.accordion-button:not(.collapsed){
  color:var(--brand-deep)!important;font-weight:600;
}
.accordion-button:not(.collapsed)::after{display:none;}
.accordion-button:not(.collapsed){
  border-left:3px solid var(--brand);
  padding-left:19px;
}
.accordion-body{
  padding:0 22px 20px;font-size:15px;color:var(--t2);background:#fff;
}
.accordion-button:focus{box-shadow:none!important;}

/* ---------- 相关分类 ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.related-card{
  display:block;background:var(--card);border:1px solid var(--line);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-card);
  transition:box-shadow .2s ease,transform .2s ease;
}
.related-card:hover{box-shadow:var(--sh-hover);transform:translateY(-2px);}
.related-card .cover{aspect-ratio:16/9;overflow:hidden;}
.related-card .cover img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease;}
.related-card:hover .cover img{transform:scale(1.03);}
.related-card .body{padding:20px;}
.related-card h3{font-size:18px;margin-bottom:8px;}
.related-card:hover h3{color:var(--brand);}
.related-card p{font-size:14px;color:var(--t3);}
.related-card .more{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:14px;color:var(--brand);}

/* ---------- 页尾 CTA ---------- */
.cta-section{
  background:linear-gradient(90deg,#EEF4FF 0%,#FFFFFF 100%);
  border-top:1px solid var(--line);
  padding:var(--sec-pad) 0;
}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.cta-copy h2{margin-bottom:14px;}
.cta-copy p{color:var(--t2);font-size:16px;margin-bottom:20px;}
.cta-points li{display:flex;gap:10px;font-size:15px;color:var(--t2);padding:7px 0;}
.cta-points svg{flex:0 0 18px;margin-top:5px;color:var(--brand);}
.form-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px;box-shadow:var(--sh-card);
}
.form-row{margin-bottom:16px;}
.form-row label{display:block;font-size:14px;color:var(--t2);margin-bottom:7px;font-weight:500;}
.form-control,.form-select{
  width:100%;height:44px;padding:0 14px;font-size:15px;color:var(--t2);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-input);
  outline:none;font-family:inherit;
  transition:border-color .2s ease,box-shadow .2s ease;
}
select.form-select{appearance:none;background-image:linear-gradient(45deg,transparent 50%,var(--t3) 50%),linear-gradient(135deg,var(--t3) 50%,transparent 50%);background-position:calc(100% - 20px) 19px,calc(100% - 15px) 19px;background-size:5px 5px,5px 5px;background-repeat:no-repeat;}
.form-control:focus,.form-select:focus{border-color:var(--brand);box-shadow:0 0 0 2px rgba(18,89,195,.16);}
.form-control.is-invalid,.form-select.is-invalid{border-color:var(--err);}
.err-text{display:none;font-size:13px;color:var(--err);margin-top:6px;}
.err-text.show{display:block;}
.form-note{font-size:14px;color:var(--t3);margin-top:12px;}
.form-alert{
  display:none;margin-bottom:16px;padding:11px 14px;border-radius:var(--r-btn);
  background:rgba(18,163,122,.1);border:1px solid rgba(18,163,122,.35);
  color:#0C7A5B;font-size:14px;
}
.form-alert.show{display:block;}

/* ---------- 页脚 ---------- */
.site-footer{background:#0B1F33;color:#B9C7D6;padding:56px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:40px;}
.footer-brand .brand-mark{background:var(--brand);}
.footer-brand .brand-text{color:#fff;}
.footer-brand p{margin-top:16px;font-size:14px;color:#94A7BB;max-width:320px;}
.site-footer h4{color:#fff;font-size:16px;margin-bottom:16px;font-weight:600;}
.footer-col li{margin-bottom:10px;font-size:14px;color:#94A7BB;}
.footer-col a{color:#B9C7D6;font-size:14px;}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  padding:20px 0;border-top:1px solid rgba(255,255,255,.10);
  font-size:13px;color:#8A9DB1;
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  h1{font-size:34px;}
  h2{font-size:27px;}
}
@media (max-width:991px){
  :root{--sec-pad:48px;}
  h1{font-size:30px;}
  h2{font-size:24px;}
  h3{font-size:20px;}
  .head-search,.hot-chips,.head-nav{display:none;}
  .nav-burger{display:inline-flex;}
  .head-top{height:58px;gap:12px;}
  .feature-top .overlay h3{font-size:22px;}
  .media-list{grid-template-columns:1fr;}
  .scene-grid{grid-template-columns:1fr;}
  .related-grid{grid-template-columns:1fr 1fr;}
  .cta-grid{grid-template-columns:1fr;gap:30px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .hero-meta{gap:18px;}
}
@media (max-width:767px){
  :root{--sec-pad:40px;}
  body{font-size:16px;}
  h1{font-size:27px;}
  h2{font-size:22px;}
  .page-hero{padding:36px 0 34px;}
  .hero-lead{font-size:16px;}
  .media-card{flex-direction:column;}
  .media-card .thumb{flex:none;width:100%;aspect-ratio:16/9;}
  .related-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .feature-top .overlay{padding:18px 20px;}
  .feature-top .overlay h3{font-size:20px;}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{width:100%;}
  .brand-text{font-size:14px;}
  .form-card{padding:20px;}
}
@media (max-width:520px){
  h1{font-size:24px;}
  .hero-meta div{min-width:calc(50% - 18px);}
  .hero-meta b{font-size:19px;}
  .tag-row{gap:8px;}
  .tag{height:30px;padding:0 12px;font-size:12px;}
  .btn-brand,.btn-ghost,.btn-amber{width:100%;}
  .head-cta{width:auto;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --brand:#1259C3;
  --brand-deep:#0B3E8C;
  --brand-light:#2E7BE0;
  --amber:#E2733C;
  --amber-deep:#C85F2C;
  --green:#12A37A;
  --red:#C6392F;
  --bg:#F7F9FC;
  --card:#FFFFFF;
  --badge:#EEF4FF;
  --line:#E3E9F0;
  --t1:#0B1F33;
  --t2:#33475B;
  --t3:#6B7C8F;
  --r-card:12px;
  --r-btn:8px;
  --r-badge:4px;
  --sh:0 2px 8px rgba(11,31,51,.06);
  --sh-hover:0 8px 24px rgba(11,31,51,.10);
  --sec:64px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;padding:0;background:var(--bg);color:var(--t2);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Arial,sans-serif;
  font-size:16.5px;line-height:1.75;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-light)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;color:var(--t1);font-weight:700;letter-spacing:0;line-height:1.35}
p{margin:0}
button{font:inherit}
input,button,select,textarea{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.row{--bs-gutter-x:24px}

/* ---------- 顶部导航 ---------- */
.site-header{position:sticky;top:0;z-index:1030;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .2s ease}
.site-header.is-stuck{box-shadow:0 2px 10px rgba(11,31,51,.07)}
.head-top{display:flex;align-items:center;gap:20px;height:68px;transition:height .2s ease}
.site-header.is-stuck .head-top{height:56px}
.brand{display:inline-flex;align-items:center;gap:8px;color:var(--t1);font-weight:700;white-space:nowrap}
.brand:hover{color:var(--t1)}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;height:28px;padding:0 9px;border-radius:6px;background:var(--brand);color:#fff;font-size:14px;font-weight:700;letter-spacing:0}
.brand-text{font-size:17px;letter-spacing:0}
.head-search{flex:1;max-width:420px;display:flex;align-items:center;gap:8px;height:38px;padding:0 14px;border:1px solid var(--line);border-radius:999px;background:var(--bg);color:var(--t3);transition:border-color .2s ease,box-shadow .2s ease}
.head-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,89,195,.12)}
.head-search input{flex:1;height:100%;border:0;background:transparent;outline:none;font-size:14px;color:var(--t1)}
.head-search input::placeholder{color:var(--t3)}
.head-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.hot-chips{display:flex;align-items:center;gap:8px}
.chip{display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;background:var(--badge);color:var(--brand-deep);font-size:13px;white-space:nowrap;transition:background .2s ease,color .2s ease}
.chip:hover{background:#dfeaff;color:var(--brand-deep)}
.btn-brand,.btn-amber,.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border:0;border-radius:var(--r-btn);font-size:16px;font-weight:500;cursor:pointer;transition:background .2s ease,color .2s ease,transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.btn-brand{background:var(--brand);color:#fff}
.btn-brand:hover{background:var(--brand-deep);color:#fff;transform:translateY(-1px)}
.btn-amber{background:var(--amber);color:#fff}
.btn-amber:hover{background:var(--amber-deep);color:#fff;transform:translateY(-1px)}
.btn-ghost{background:#fff;color:var(--brand);border:1px solid var(--brand)}
.btn-ghost:hover{background:var(--badge);color:var(--brand-deep);border-color:var(--brand-deep);transform:translateY(-1px)}
.head-cta{height:36px;padding:0 16px;font-size:14px}
.nav-burger{display:none;align-items:center;justify-content:center;width:40px;height:36px;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;color:var(--t2);cursor:pointer}
.nav-burger:hover{border-color:var(--brand);color:var(--brand)}
.head-nav{border-top:1px solid var(--line)}
.head-nav ul{display:flex;align-items:center;gap:30px}
.head-nav a{display:block;padding:11px 0;font-size:15px;color:var(--t2);border-bottom:3px solid transparent;transition:color .2s ease,border-color .2s ease}
.head-nav a:hover{color:var(--brand)}
.head-nav a.active{color:var(--brand-deep);font-weight:600;border-bottom-color:var(--brand)}

/* 抽屉 */
.nav-mask{position:fixed;inset:0;background:rgba(11,31,51,.45);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:1040}
.nav-mask.open{opacity:1;visibility:visible}
.nav-drawer{position:fixed;top:0;right:0;width:300px;max-width:88vw;height:100%;background:#fff;z-index:1050;transform:translateX(102%);transition:transform .28s ease;display:flex;flex-direction:column;padding:18px 20px 24px;overflow-y:auto}
.nav-drawer.open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:14px;border-bottom:1px solid var(--line)}
.drawer-close{width:34px;height:34px;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;color:var(--t2);font-size:20px;line-height:1;cursor:pointer}
.drawer-close:hover{border-color:var(--brand);color:var(--brand)}
.drawer-nav{margin:12px 0 18px}
.drawer-nav a{display:block;padding:12px 0;font-size:15px;color:var(--t2);border-bottom:1px solid var(--line)}
.drawer-nav a.active{color:var(--brand-deep);font-weight:600}
.drawer-search{display:flex;align-items:center;gap:8px;height:42px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-btn);background:var(--bg);margin-bottom:16px}
.drawer-search input{flex:1;height:100%;border:0;background:transparent;outline:none;font-size:14px;color:var(--t1)}
.drawer-cta{width:100%}

/* ---------- 面包屑 ---------- */
.crumbs{background:#fff;border-bottom:1px solid var(--line)}
.crumbs ol{display:flex;align-items:center;flex-wrap:wrap;gap:8px;padding:14px 0;font-size:14px;color:var(--t3)}
.crumbs li{display:flex;align-items:center;gap:8px;max-width:100%}
.crumbs li+li::before{content:"/";color:#B9C5D3}
.crumbs a{color:var(--t3)}
.crumbs a:hover{color:var(--brand)}
.crumbs .crumb-current{color:var(--t2);overflow:hidden;text-overflow:ellipsis;white-space:nowrap;max-width:420px}

/* ---------- 文章布局 ---------- */
.article-area{display:grid;grid-template-columns:minmax(0,800px) 280px;gap:48px;justify-content:center;padding:40px 0 8px;align-items:start}
.post{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh);padding:36px 40px 40px}
.post-cat{display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:var(--r-badge);background:var(--badge);color:var(--brand-deep);font-size:13px;font-weight:500}
.post h1{font-size:34px;line-height:1.4;margin:14px 0 0}
.post-meta{display:flex;align-items:center;flex-wrap:wrap;gap:14px;margin-top:16px;padding-top:16px;border-top:1px solid var(--line);font-size:14px;color:var(--t3)}
.post-meta .sep{width:1px;height:14px;background:var(--line)}
.share-group{display:flex;align-items:center;gap:8px;margin-left:auto}
.share-btn{display:inline-flex;align-items:center;justify-content:center;height:32px;padding:0 12px;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;color:var(--t2);font-size:13px;cursor:pointer;transition:border-color .2s ease,color .2s ease,background .2s ease}
.share-btn:hover{border-color:var(--brand);color:var(--brand);background:var(--badge)}
.post-cover{margin-top:24px;border-radius:var(--r-card);overflow:hidden;aspect-ratio:16/9;background:var(--badge)}
.post-cover img{width:100%;height:100%;object-fit:cover}

.post-body{margin-top:28px;font-size:17px;line-height:1.85;color:var(--t2);word-wrap:break-word}
.post-body>*+*{margin-top:18px}
.post-body h2{font-size:24px;margin-top:36px;padding-left:12px;border-left:4px solid var(--brand)}
.post-body h3{font-size:19px;margin-top:26px;color:var(--brand-deep)}
.post-body p{color:var(--t2)}
.post-body a{color:var(--brand);border-bottom:1px solid rgba(18,89,195,.35)}
.post-body a:hover{color:var(--brand-light);border-bottom-color:var(--brand-light)}
.post-body ul,.post-body ol{padding-left:22px}
.post-body ul{list-style:disc}
.post-body ol{list-style:decimal}
.post-body li{margin:8px 0}
.post-body img{border-radius:var(--r-card);box-shadow:var(--sh);margin:8px 0}
.post-body figcaption{font-size:14px;color:var(--t3);text-align:center;margin-top:8px}
.post-body blockquote{margin:22px 0;padding:14px 20px;background:var(--badge);border-left:3px solid var(--brand);border-radius:0 var(--r-card) var(--r-card) 0;color:var(--t1)}
.post-body blockquote p{color:var(--t1)}
.post-body table{width:100%;border-collapse:collapse;font-size:15px;margin:20px 0}
.post-body th,.post-body td{border:1px solid var(--line);padding:10px 12px;text-align:left}
.post-body th{background:var(--badge);color:var(--t1);font-weight:600}
.post-body pre{background:#F2F5F9;border:1px solid var(--line);border-radius:var(--r-card);padding:16px;overflow-x:auto;font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;font-size:14px;line-height:1.7;color:var(--t1)}
.post-body code{font-family:"SFMono-Regular",Consolas,"Liberation Mono",Menlo,monospace;font-size:14px;background:#F2F5F9;border-radius:4px;padding:2px 6px;color:var(--brand-deep)}

.post-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:32px;padding-top:22px;border-top:1px solid var(--line)}
.post-tags .tag-label{font-size:14px;color:var(--t3)}
.tag{display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;background:var(--bg);border:1px solid var(--line);color:var(--t2);font-size:13px}
.tag:hover{border-color:var(--brand);color:var(--brand);background:var(--badge)}

.post-empty{padding:40px 0;text-align:center}
.post-empty .empty-icon{display:inline-flex;align-items:center;justify-content:center;width:56px;height:56px;border-radius:50%;background:var(--badge);color:var(--brand);margin-bottom:16px}
.post-empty h2{font-size:20px}
.post-empty p{margin:10px 0 20px;color:var(--t3);font-size:15px}

/* 侧栏 */
.post-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh);padding:20px}
.side-card h3{font-size:16px;display:flex;align-items:center;gap:8px;padding-bottom:12px;border-bottom:1px solid var(--line)}
.side-card h3::before{content:"";width:3px;height:15px;border-radius:2px;background:var(--brand)}
.side-list{margin-top:8px}
.side-list li+li{border-top:1px solid var(--line)}
.side-list a{display:flex;gap:10px;align-items:flex-start;padding:11px 0;font-size:14.5px;color:var(--t2);line-height:1.55}
.side-list a:hover{color:var(--brand)}
.side-list .rank{flex:0 0 22px;height:22px;display:inline-flex;align-items:center;justify-content:center;border-radius:var(--r-badge);background:var(--badge);color:var(--brand-deep);font-size:12px;font-weight:600}
.side-list .rank.top{background:var(--amber);color:#fff}
.side-cta{margin-top:14px;text-align:left}
.side-cta p{font-size:14px;color:var(--t3);margin-bottom:14px}
.side-cta .btn-amber{width:100%;height:42px;font-size:15px}

/* 相关推荐 */
.related{padding:var(--sec) 0 8px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:24px}
.sec-head h2{font-size:28px}
.sec-head p{font-size:15px;color:var(--t3);margin-top:8px}
.rec-card{display:flex;flex-direction:column;height:100%;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh);overflow:hidden;transition:transform .2s ease,box-shadow .2s ease}
.rec-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover)}
.rec-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--badge)}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease}
.rec-card:hover .rec-thumb img{transform:scale(1.03)}
.rec-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.rec-body h3{font-size:18px;line-height:1.5}
.rec-card:hover .rec-body h3{color:var(--brand)}
.rec-body p{font-size:14.5px;color:var(--t3);flex:1}
.rec-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;color:var(--brand);font-weight:500}

.back-row{padding:32px 0 0;text-align:center}

/* CTA */
.post-cta{padding:var(--sec) 0}
.cta-band{display:grid;grid-template-columns:1fr 1fr;gap:40px;align-items:center;background:linear-gradient(90deg,#EEF4FF 0%,#FFFFFF 100%);border:1px solid var(--line);border-radius:var(--r-card);padding:44px}
.cta-text h2{font-size:28px}
.cta-text p{margin-top:14px;font-size:16px;color:var(--t2)}
.cta-points{margin-top:18px;display:flex;flex-direction:column;gap:10px}
.cta-points li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:var(--t2)}
.cta-points svg{flex:0 0 18px;margin-top:4px;color:var(--brand)}
.cta-form{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh)}
.field{margin-bottom:14px}
.field label{display:block;font-size:14px;color:var(--t1);font-weight:500;margin-bottom:6px}
.field input{width:100%;height:44px;padding:0 14px;border:1px solid var(--line);border-radius:var(--r-btn);background:#fff;color:var(--t1);font-size:15px;outline:none;transition:border-color .2s ease,box-shadow .2s ease}
.field input::placeholder{color:#9AA9B8}
.field input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,89,195,.14)}
.field.invalid input{border-color:var(--red);box-shadow:0 0 0 3px rgba(198,57,47,.12)}
.field .err{display:none;margin-top:6px;font-size:13px;color:var(--red)}
.field.invalid .err{display:block}
.cta-form .btn-amber{width:100%}
.cta-note{margin-top:12px;font-size:13.5px;color:var(--t3);line-height:1.6}
.form-ok{display:none;margin-top:12px;padding:10px 14px;border-radius:var(--r-btn);background:rgba(18,163,122,.10);color:var(--green);font-size:14px;border:1px solid rgba(18,163,122,.28)}
.form-ok.show{display:block}

/* 页脚 */
.site-footer{background:var(--t1);color:#C6D3E1;margin-top:var(--sec);padding:56px 0 24px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.site-footer .brand{color:#fff}
.site-footer .brand-text{font-size:16px}
.footer-brand p{margin-top:14px;font-size:14.5px;line-height:1.8;color:#9FB1C4;max-width:340px}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:14px}
.footer-col ul li{margin-bottom:10px}
.footer-col a{color:#C6D3E1;font-size:14.5px}
.footer-col a:hover{color:#fff}
.footer-col li{font-size:14.5px;color:#9FB1C4}
.footer-bottom{display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);font-size:13.5px;color:#8FA3B8}

@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important;scroll-behavior:auto !important}
}

/* 响应式 */
@media (max-width:1199px){
  .article-area{grid-template-columns:minmax(0,1fr);gap:32px;padding-top:32px}
  .post-side{position:static;display:grid;grid-template-columns:1fr 1fr;gap:20px}
}
@media (max-width:991px){
  .head-search{display:none}
  .hot-chips{display:none}
  .nav-burger{display:inline-flex}
  .head-nav{display:none}
  .head-top{height:60px}
  .site-header.is-stuck .head-top{height:56px}
  .post{padding:28px 24px 32px}
  .post h1{font-size:28px}
  .cta-band{grid-template-columns:1fr;padding:32px 24px;gap:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  body{font-size:16px}
  .post-side{grid-template-columns:1fr}
  .sec-head{flex-direction:column;align-items:flex-start}
  .sec-head h2{font-size:24px}
  .post-meta{gap:10px}
  .share-group{margin-left:0;width:100%}
  .crumbs .crumb-current{max-width:200px}
  .back-row .btn-ghost{width:100%}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .brand-text{font-size:15px}
  .post{padding:22px 18px 26px}
  .post h1{font-size:24px}
  .post-body{font-size:16px}
  .cta-text h2{font-size:22px}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}

/* roulang page: category2 */
:root{
  --brand:#1259C3;
  --brand-dark:#0B3E8C;
  --brand-light:#2E7BE0;
  --amber:#E2733C;
  --amber-dark:#C95F2C;
  --ok:#12A37A;
  --err:#C6392F;
  --bg:#F7F9FC;
  --card:#FFFFFF;
  --badge:#EEF4FF;
  --line:#E3E9F0;
  --t1:#0B1F33;
  --t2:#33475B;
  --t3:#6B7C8F;
  --r-card:12px;
  --r-btn:8px;
  --r-badge:4px;
  --sh:0 2px 8px rgba(11,31,51,.06);
  --sh-hover:0 8px 24px rgba(11,31,51,.10);
  --sec-pad:64px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16px;
  line-height:1.7;
  color:var(--t2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-light)}
ul,ol{list-style:none;margin:0;padding:0}
h1,h2,h3,h4{margin:0;color:var(--t1);font-weight:600;letter-spacing:0;line-height:1.35}
p{margin:0}
button{font-family:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .2s ease;
}
.site-header.is-stuck{box-shadow:0 2px 10px rgba(11,31,51,.08)}
.head-top{display:flex;align-items:center;gap:24px;padding:14px 0;transition:padding .2s ease}
.site-header.is-stuck .head-top{padding:6px 0}
.brand{display:flex;align-items:center;gap:8px;font-weight:700;white-space:nowrap;color:var(--t1)}
.brand:hover{color:var(--t1)}
.brand-mark{background:var(--brand);color:#fff;font-size:15px;padding:4px 10px;border-radius:6px;letter-spacing:0}
.brand-text{font-size:16px;color:var(--t1);font-weight:700}
.head-search{
  flex:1;max-width:420px;display:flex;align-items:center;gap:8px;
  height:40px;padding:0 12px;border:1px solid var(--line);border-radius:var(--r-btn);
  background:var(--bg);color:var(--t3);transition:border-color .2s ease,background .2s ease;
}
.head-search:focus-within{border-color:var(--brand);background:#fff}
.head-search input{flex:1;height:100%;border:0;outline:0;background:transparent;font-size:14px;color:var(--t1)}
.head-search input::placeholder{color:var(--t3)}
.head-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.hot-chips{display:flex;align-items:center;gap:8px}
.chip{
  display:inline-flex;align-items:center;height:30px;padding:0 12px;
  font-size:13px;color:var(--brand);background:var(--badge);
  border-radius:999px;transition:background .2s ease,color .2s ease;
}
.chip:hover{background:#DEE9FB;color:var(--brand-dark)}
.btn-amber{
  display:inline-flex;align-items:center;justify-content:center;
  height:40px;padding:0 18px;background:var(--amber);color:#fff;
  font-size:14px;font-weight:500;border:0;border-radius:var(--r-btn);
  cursor:pointer;transition:background .2s ease,transform .2s ease;
}
.btn-amber:hover{background:var(--amber-dark);color:#fff;transform:translateY(-1px)}
.btn-amber:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.head-cta{height:36px;padding:0 16px;font-size:14px}
.nav-burger{
  display:none;align-items:center;justify-content:center;
  width:40px;height:40px;border:1px solid var(--line);background:#fff;
  border-radius:var(--r-btn);color:var(--t1);cursor:pointer;
}
.nav-burger:hover{border-color:var(--brand);color:var(--brand)}
.head-nav ul{display:flex;gap:28px}
.head-nav a{
  position:relative;display:inline-block;padding:12px 0;
  font-size:15px;color:var(--t2);
}
.head-nav a:hover{color:var(--brand)}
.head-nav a.active{color:var(--brand-dark);font-weight:600}
.head-nav a.active::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:3px;
  background:var(--brand);border-radius:2px 2px 0 0;
}
.nav-mask{display:none}

/* ============ 通用板块 ============ */
.section{padding:var(--sec-pad) 0}
.section-head{max-width:760px;margin-bottom:32px}
.section-head h2{font-size:30px;margin-bottom:12px}
.section-head p{color:var(--t3);font-size:15px}
.eyebrow{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;margin-bottom:12px;
  font-size:12px;font-weight:600;color:var(--brand);background:var(--badge);border-radius:var(--r-badge);
}

/* ============ Hero ============ */
.page-hero{
  position:relative;
  padding:40px 0 56px;
  background:linear-gradient(90deg,#EEF4FF 0%,#FFFFFF 100%);
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-1.png);
  background-size:cover;background-position:center;
  opacity:.10;
}
.page-hero > .container{position:relative;z-index:1}
.crumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--t3);margin-bottom:20px}
.crumb a{color:var(--t3)}
.crumb a:hover{color:var(--brand)}
.crumb span{color:var(--t2)}
.page-hero h1{font-size:clamp(28px,3.4vw,40px);font-weight:700;margin-bottom:16px}
.page-hero .lead{font-size:17px;color:var(--t2);max-width:620px;margin-bottom:24px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:32px}
.btn-blue,.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;font-size:15px;font-weight:500;border-radius:var(--r-btn);
  cursor:pointer;transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-blue{background:var(--brand);color:#fff;border:1px solid var(--brand)}
.btn-blue:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-1px)}
.btn-line{background:#fff;color:var(--brand);border:1px solid var(--brand)}
.btn-line:hover{background:var(--badge);color:var(--brand-dark);transform:translateY(-1px)}
.stat-row{
  display:grid;grid-template-columns:repeat(4,1fr);gap:16px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px 24px;box-shadow:var(--sh);
}
.stat-row .stat{display:flex;flex-direction:column;gap:2px}
.stat-row .num{font-size:22px;font-weight:700;color:var(--brand-dark)}
.stat-row .lbl{font-size:13px;color:var(--t3)}
.hero-figure{position:relative;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-hover);background:#fff}
.hero-figure img{width:100%;aspect-ratio:4/3;object-fit:cover}
.float-card{
  position:absolute;left:16px;bottom:16px;
  display:flex;align-items:center;gap:10px;
  background:rgba(255,255,255,.96);border-radius:10px;
  padding:10px 14px;box-shadow:0 4px 14px rgba(11,31,51,.12);
}
.dot-ok{width:8px;height:8px;border-radius:50%;background:var(--ok);flex:0 0 8px}
.float-card span{font-size:13px;color:var(--t2)}

/* ============ 对比表 ============ */
.cmp-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh)}
.cmp-table{width:100%;border-collapse:collapse}
.cmp-table th,.cmp-table td{padding:0 20px;text-align:left;font-size:15px;border-bottom:1px solid var(--line)}
.cmp-table thead th{
  position:sticky;top:0;z-index:2;
  height:60px;background:#fff;color:var(--t1);font-weight:600;font-size:15px;
  border-bottom:1px solid var(--line);
}
.cmp-table thead th.rec{background:var(--badge);position:relative}
.cmp-table thead th.rec::before{content:"";position:absolute;top:0;left:0;right:0;height:3px;background:var(--brand)}
.tag-rec{
  display:inline-flex;align-items:center;height:20px;padding:0 7px;margin-left:8px;
  font-size:12px;font-weight:500;color:#fff;background:var(--amber);border-radius:var(--r-badge);
}
.cmp-table tbody td{height:52px;color:var(--t2)}
.cmp-table tbody tr:last-child td{border-bottom:0}
.cmp-table td.rec{background:#F6F9FF}
.cmp-table td.yes{color:var(--brand)}
.ico-yes{color:var(--brand)}
.ico-no{color:#B9C5D2;font-size:16px}
.cmp-note{margin-top:16px;font-size:14px;color:var(--t3)}

/* ============ 等级卡 ============ */
.tier-row{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:center}
.tier-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:28px 24px;box-shadow:var(--sh);
  transition:transform .2s ease,box-shadow .2s ease;
}
.tier-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover)}
.tier-card.feature{
  transform:scale(1.04);
  border:1px solid var(--brand);
  box-shadow:0 10px 28px rgba(18,89,195,.14);
}
.tier-card.feature:hover{transform:scale(1.04) translateY(-2px)}
.tier-badge{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;margin-bottom:14px;
  font-size:12px;font-weight:600;border-radius:var(--r-badge);
  color:var(--brand);background:var(--badge);
}
.tier-card.feature .tier-badge{color:#fff;background:var(--amber)}
.tier-card h3{font-size:22px;margin-bottom:8px}
.tier-card .sub{font-size:14px;color:var(--t3);margin-bottom:18px}
.tier-list li{
  display:flex;gap:10px;align-items:flex-start;
  padding:11px 0;font-size:15px;color:var(--t2);border-top:1px solid var(--line);
}
.tier-list li:first-child{border-top:0}
.tier-list svg{flex:0 0 18px;margin-top:3px;color:var(--brand)}
.tier-card .btn-line,.tier-card .btn-blue{margin-top:20px;width:100%}

/* ============ 筛选浏览区 ============ */
.filter-layout{display:grid;grid-template-columns:240px 1fr;gap:32px;align-items:start}
.filter-side{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px 20px;box-shadow:var(--sh);position:sticky;top:130px;
}
.filter-group + .filter-group{margin-top:24px;padding-top:22px;border-top:1px solid var(--line)}
.filter-group h3{font-size:15px;margin-bottom:14px;color:var(--t1)}
.f-chip{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;margin:0 8px 8px 0;
  font-size:14px;color:var(--t2);background:var(--bg);
  border:1px solid var(--line);border-radius:999px;cursor:pointer;transition:all .2s ease;
}
.f-chip:hover{border-color:var(--brand-light);color:var(--brand)}
.f-chip.is-active{background:var(--brand);border-color:var(--brand);color:#fff}
.radio-item{display:flex;align-items:center;gap:10px;padding:8px 0;font-size:14px;color:var(--t2);cursor:pointer}
.radio-item input{
  appearance:none;-webkit-appearance:none;
  width:16px;height:16px;border:1px solid #B9C5D2;border-radius:4px;
  background:#fff;cursor:pointer;position:relative;flex:0 0 16px;transition:all .2s ease;
}
.radio-item input:checked{background:var(--brand);border-color:var(--brand)}
.radio-item input:checked::after{
  content:"";position:absolute;left:4px;top:1px;width:4px;height:8px;
  border:2px solid #fff;border-top:0;border-left:0;transform:rotate(45deg);
}
.f-reset{
  display:inline-flex;align-items:center;justify-content:center;width:100%;height:38px;margin-top:20px;
  font-size:14px;color:var(--brand);background:#fff;border:1px solid var(--brand);
  border-radius:var(--r-btn);cursor:pointer;transition:background .2s ease;
}
.f-reset:hover{background:var(--badge)}
.b-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.b-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.b-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:#D3DEF0}
.b-card:hover .b-title{color:var(--brand)}
.b-card img{width:100%;aspect-ratio:4/3;object-fit:cover}
.b-body{padding:18px 20px 20px}
.b-tag{
  display:inline-flex;align-items:center;height:22px;padding:0 9px;margin-bottom:10px;
  font-size:12px;color:var(--brand);background:var(--badge);border-radius:var(--r-badge);
}
.b-title{font-size:17px;margin-bottom:8px;transition:color .2s ease}
.b-desc{font-size:14px;color:var(--t3);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:44px}
.b-meta{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:14px;padding-top:12px;border-top:1px solid var(--line);
  font-size:13px;color:var(--t3);
}
.b-meta .tier{color:var(--brand);font-weight:500}
.filter-empty{
  display:none;flex-direction:column;align-items:center;gap:12px;
  padding:56px 20px;background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);
  text-align:center;color:var(--t3);
}
.filter-empty.show{display:flex}
.filter-empty svg{color:#B9C5D2}

/* ============ 流程 ============ */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.step{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:24px 22px;box-shadow:var(--sh);
}
.step-no{
  width:36px;height:36px;display:grid;place-items:center;margin-bottom:14px;
  background:var(--badge);color:var(--brand);font-weight:700;font-size:15px;border-radius:50%;
}
.step h3{font-size:17px;margin-bottom:8px}
.step p{font-size:14px;color:var(--t3)}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px}
.accordion-item{border:0;border-bottom:1px solid var(--line);background:transparent;border-radius:0}
.accordion-item:first-of-type{border-top:1px solid var(--line)}
.accordion-button{
  background:transparent;box-shadow:none;padding:18px 0;border-radius:0;
  font-size:17px;font-weight:600;color:var(--t1);
  display:flex;align-items:center;gap:14px;
}
.accordion-button:not(.collapsed){
  background:transparent;color:var(--brand-dark);box-shadow:none;
  border-left:3px solid var(--brand);padding-left:14px;
}
.accordion-button:focus{box-shadow:none;outline:0;border-color:transparent}
.accordion-button::after{
  display:grid;place-items:center;flex:0 0 24px;
  width:24px;height:24px;margin-left:auto;
  content:"+";font-size:19px;font-weight:400;color:var(--brand);
  background-image:none;transform:none;line-height:1;
}
.accordion-button:not(.collapsed)::after{content:"−";background-image:none;transform:none}
.accordion-body{padding:0 0 20px;font-size:15px;color:var(--t2);max-width:720px}

/* ============ CTA 表单 ============ */
.cta-band{
  display:grid;grid-template-columns:1.05fr 1fr;gap:40px;align-items:center;
  background:linear-gradient(90deg,#EEF4FF 0%,#FFFFFF 100%);
  border:1px solid var(--line);border-radius:16px;padding:40px;
}
.cta-band h2{font-size:28px;margin-bottom:12px}
.cta-band .cta-desc{font-size:15px;color:var(--t2);margin-bottom:18px}
.cta-points li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--t2);padding:7px 0}
.cta-points svg{flex:0 0 18px;margin-top:3px;color:var(--brand)}
.join-form{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:26px 24px;box-shadow:var(--sh)}
.field{margin-bottom:16px}
.field label{display:block;font-size:14px;font-weight:500;color:var(--t1);margin-bottom:8px}
.form-control{
  width:100%;height:44px;padding:0 14px;font-size:15px;color:var(--t1);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-btn);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.form-control::placeholder{color:#9DAAB8}
.form-control:focus{
  outline:0;border-color:var(--brand);
  box-shadow:0 0 0 2px rgba(18,89,195,.18);
}
.form-control.is-invalid{border-color:var(--err);box-shadow:0 0 0 2px rgba(198,57,47,.14)}
.field-err{display:none;margin-top:6px;font-size:13px;color:var(--err)}
.field-err.show{display:block}
.form-success{
  display:none;margin-bottom:16px;padding:10px 14px;font-size:14px;
  color:var(--ok);background:#EAF7F2;border:1px solid #C9EBDF;border-radius:var(--r-btn);
}
.form-success.show{display:block}
.join-form .btn-amber{width:100%;height:46px;font-size:15px}
.form-terms{margin-top:12px;font-size:13px;color:var(--t3);line-height:1.6}

/* ============ 页脚 ============ */
.site-footer{background:#0B1F33;color:#C9D6E4;padding:56px 0 24px;margin-top:16px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px}
.footer-brand .brand{color:#fff;margin-bottom:14px}
.footer-brand .brand-text{color:#fff}
.footer-brand p{font-size:14px;color:#9FB2C6;max-width:340px}
.site-footer h4{color:#fff;font-size:15px;margin-bottom:14px;font-weight:600}
.site-footer ul li{margin-bottom:10px;font-size:14px;color:#C9D6E4}
.site-footer a{color:#C9D6E4}
.site-footer a:hover{color:#fff}
.footer-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:16px;
  margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13px;color:#8FA3B8;
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .b-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991.98px){
  .head-search,.hot-chips{display:none}
  .nav-burger{display:inline-flex}
  .head-nav{
    position:fixed;top:0;right:-300px;width:280px;height:100%;
    background:#fff;z-index:1060;padding:28px 24px;
    box-shadow:-8px 0 28px rgba(11,31,51,.14);
    transition:right .25s ease;overflow-y:auto;
  }
  body.nav-open .head-nav{right:0}
  .head-nav ul{flex-direction:column;gap:2px}
  .head-nav a{display:block;padding:12px 0;font-size:16px;border-bottom:1px solid var(--line)}
  .head-nav a.active::after{display:none}
  .head-nav a.active{color:var(--brand);border-bottom-color:var(--line)}
  .nav-mask{
    display:block;position:fixed;inset:0;z-index:1050;
    background:rgba(11,31,51,.45);
    opacity:0;visibility:hidden;transition:opacity .2s ease,visibility .2s ease;
  }
  body.nav-open .nav-mask{opacity:1;visibility:visible}
  body.nav-open{overflow:hidden}
  .stat-row{grid-template-columns:repeat(2,1fr)}
  .tier-row{grid-template-columns:1fr;gap:20px}
  .tier-card.feature{transform:none}
  .tier-card.feature:hover{transform:translateY(-2px)}
  .filter-layout{grid-template-columns:1fr}
  .filter-side{position:static}
  .filter-side .f-chip{margin-bottom:8px}
  .steps{grid-template-columns:repeat(2,1fr)}
  .cta-band{grid-template-columns:1fr;padding:28px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767.98px){
  :root{--sec-pad:40px}
  .container{padding:0 20px}
  .section-head h2{font-size:24px}
  .page-hero{padding:28px 0 40px}
  .page-hero h1{font-size:28px}
  .b-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .cta-band h2{font-size:22px}
  .cmp-table thead{display:none}
  .cmp-wrap{border:0;box-shadow:none;background:transparent;overflow:visible}
  .cmp-table,.cmp-table tbody,.cmp-table tr,.cmp-table td{display:block;width:100%}
  .cmp-table tr{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
    padding:8px 16px;margin-bottom:14px;box-shadow:var(--sh);
  }
  .cmp-table td{
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    height:auto;padding:10px 0;border-bottom:1px dashed var(--line);
    font-size:14px;
  }
  .cmp-table td:last-child{border-bottom:0}
  .cmp-table td::before{content:attr(data-label);color:var(--t3);font-size:13px}
  .cmp-table td.rec{background:transparent}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:519.98px){
  .stat-row{grid-template-columns:1fr;padding:16px 18px}
  .head-cta{padding:0 12px;font-size:13px}
  .brand-text{font-size:15px}
  .btn-blue,.btn-line{width:100%}
  .hero-actions{flex-direction:column}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none !important;animation:none !important}
  .b-card:hover,.tier-card:hover,.btn-blue:hover,.btn-line:hover{transform:none}
}

/* roulang page: category3 */
:root{
  --blue:#1259C3;
  --blue-deep:#0B3E8C;
  --blue-light:#2E7BE0;
  --amber:#E2733C;
  --ok:#12A37A;
  --err:#C6392F;
  --bg:#F7F9FC;
  --card:#FFFFFF;
  --soft:#EEF4FF;
  --line:#E3E9F0;
  --title:#0B1F33;
  --text:#33475B;
  --muted:#6B7C8F;
  --r-card:12px;
  --r-btn:8px;
  --r-badge:4px;
  --sh:0 2px 8px rgba(11,31,51,.06);
  --sh-h:0 8px 24px rgba(11,31,51,.10);
  --gap:24px;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,Inter,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--blue);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--blue-deep);}
h1,h2,h3,h4{color:var(--title);font-weight:700;letter-spacing:0;margin:0;}
h1{font-size:40px;line-height:1.3;}
h2{font-size:30px;line-height:1.35;}
h3{font-size:22px;line-height:1.4;font-weight:600;}
p{margin:0 0 12px;}
ul{margin:0;padding:0;list-style:none;}
button,input{font-family:inherit;}
:focus-visible{outline:2px solid var(--blue);outline-offset:2px;border-radius:4px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:#fff;
  box-shadow:0 1px 0 var(--line);
}
.site-header.shrunk{box-shadow:0 2px 12px rgba(11,31,51,.07);}
.head-top{
  display:flex;align-items:center;gap:20px;
  padding:16px 0;transition:padding .2s ease;
}
.site-header.shrunk .head-top{padding:8px 0;}
.brand{display:inline-flex;align-items:center;gap:8px;white-space:nowrap;font-weight:700;}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--blue);color:#fff;border-radius:var(--r-badge);
  font-size:13px;font-weight:700;padding:3px 8px;letter-spacing:0;
}
.brand-text{font-size:19px;color:var(--title);font-weight:700;}
.brand:hover .brand-text{color:var(--blue-deep);}
.head-search{
  flex:1 1 auto;max-width:420px;display:flex;align-items:center;gap:8px;
  background:var(--bg);border:1px solid var(--line);border-radius:var(--r-btn);
  padding:0 12px;color:var(--muted);height:40px;
}
.head-search:focus-within{border-color:var(--blue);background:#fff;box-shadow:0 0 0 3px rgba(18,89,195,.12);}
.head-search input{
  flex:1;border:0;background:transparent;outline:none;
  font-size:14px;color:var(--text);height:38px;
}
.head-search input::placeholder{color:var(--muted);}
.head-right{display:flex;align-items:center;gap:12px;margin-left:auto;}
.hot-chips{display:flex;gap:8px;}
.chip{
  display:inline-flex;align-items:center;
  font-size:13px;color:var(--blue);background:var(--soft);
  border:1px solid transparent;border-radius:999px;padding:5px 12px;
  transition:background .2s ease,color .2s ease,border-color .2s ease;
}
.chip:hover{background:#fff;border-color:var(--blue-light);color:var(--blue-deep);}
.btn-amber{
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--amber);color:#fff;border:0;border-radius:var(--r-btn);
  font-size:14px;font-weight:500;padding:9px 18px;
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease;
}
.btn-amber:hover{background:#cf6330;color:#fff;transform:translateY(-1px);box-shadow:var(--sh-h);}
.btn-amber:active{transform:translateY(0);}
.head-cta{font-size:13px;padding:8px 14px;}
.nav-burger{
  display:none;background:#fff;border:1px solid var(--line);border-radius:var(--r-btn);
  width:40px;height:40px;align-items:center;justify-content:center;color:var(--title);cursor:pointer;
}
.head-nav{border-top:1px solid var(--line);}
.site-header.shrunk .head-nav{border-top-color:transparent;}
.head-nav ul{display:flex;gap:28px;}
.head-nav a{
  display:inline-block;padding:12px 0;font-size:15px;color:var(--text);
  border-bottom:3px solid transparent;font-weight:500;
}
.head-nav a:hover{color:var(--blue-deep);}
.head-nav a.active{color:var(--title);border-bottom-color:var(--blue);font-weight:600;}

/* ---------- hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  background-image:linear-gradient(rgba(247,249,252,.92),rgba(255,255,255,.96)),url('/assets/images/backpic/back-2.png');
  background-size:cover;background-position:center;
  border-bottom:1px solid var(--line);
  padding:56px 0 48px;
}
.crumb{font-size:14px;color:var(--muted);margin-bottom:16px;}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--blue);}
.crumb span{margin:0 8px;}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;}
.hero-tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;color:var(--blue-deep);background:var(--soft);
  border-radius:var(--r-badge);padding:5px 12px;margin-bottom:16px;font-weight:500;
}
.page-hero h1{margin-bottom:14px;}
.hero-lead{font-size:17px;color:var(--text);max-width:620px;}
.hero-actions{display:flex;gap:12px;flex-wrap:wrap;margin-top:24px;}
.btn-solid{
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--blue);color:#fff;border:1px solid var(--blue);border-radius:var(--r-btn);
  font-size:15px;font-weight:500;padding:11px 22px;
  transition:transform .2s ease,background .2s ease,box-shadow .2s ease;
}
.btn-solid:hover{background:var(--blue-deep);border-color:var(--blue-deep);color:#fff;transform:translateY(-1px);box-shadow:var(--sh-h);}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;
  background:#fff;color:var(--blue);border:1px solid var(--blue);border-radius:var(--r-btn);
  font-size:15px;font-weight:500;padding:11px 22px;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.btn-ghost:hover{background:var(--soft);color:var(--blue-deep);transform:translateY(-1px);}
.hero-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh);overflow:hidden;
}
.hero-card img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-card-body{padding:16px 20px 18px;}
.hero-card-body .row-line{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);}
.status-dot{display:inline-flex;align-items:center;gap:6px;color:var(--ok);font-weight:500;}
.status-dot::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--ok);display:inline-block;}
.hero-card-body h3{font-size:17px;margin:8px 0 4px;}
.hero-card-body p{font-size:14px;color:var(--muted);margin:0;}

/* ---------- filter chips ---------- */
.filter-bar{padding:24px 0 8px;}
.filter-bar .container{display:flex;align-items:center;gap:12px;flex-wrap:wrap;}
.filter-label{font-size:14px;color:var(--muted);}
.filter-chip{
  font-size:13px;color:var(--text);background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:6px 14px;transition:all .2s ease;
}
.filter-chip:hover{border-color:var(--blue-light);color:var(--blue-deep);}
.filter-chip.is-on{background:var(--blue);border-color:var(--blue);color:#fff;}

/* ---------- sections ---------- */
.section{padding:56px 0;}
.section-head{max-width:760px;margin-bottom:32px;}
.section-head h2{margin-bottom:10px;}
.section-head p{color:var(--muted);margin:0;}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:600;color:var(--blue);
  background:var(--soft);border-radius:var(--r-badge);padding:4px 10px;margin-bottom:12px;
}

/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:34px;}
.timeline::before{
  content:"";position:absolute;left:9px;top:6px;bottom:6px;width:2px;background:var(--line);
}
.tl-item{position:relative;padding:0 0 28px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-32px;top:8px;width:14px;height:14px;border-radius:50%;
  background:#fff;border:3px solid var(--blue);
}
.tl-item.is-new::before{border-color:var(--amber);}
.tl-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px 24px;box-shadow:var(--sh);transition:transform .2s ease,box-shadow .2s ease;
}
.tl-card:hover{transform:translateY(-2px);box-shadow:var(--sh-h);}
.tl-head{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;margin-bottom:8px;}
.tl-num{font-size:20px;font-weight:700;color:var(--blue);line-height:1;}
.tl-card h3{font-size:19px;}
.tl-meta{display:flex;gap:10px;flex-wrap:wrap;margin-top:12px;}
.tag{
  font-size:12px;border-radius:var(--r-badge);padding:3px 9px;
  background:var(--soft);color:var(--blue-deep);
}
.tag-amber{background:#FDF1E9;color:#B4531F;}
.tag-ok{background:#E8F7F1;color:#0C7A5C;}
.tl-card p{margin:0;color:var(--text);font-size:15px;}

/* ---------- related ---------- */
.related-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.related-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease;
}
.related-card:hover{transform:translateY(-2px);box-shadow:var(--sh-h);}
.related-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.related-body{padding:20px;display:flex;flex-direction:column;gap:8px;flex:1;}
.related-body h3{font-size:18px;}
.related-body p{font-size:14px;color:var(--muted);margin:0;flex:1;}
.arrow-link{font-size:14px;font-weight:500;color:var(--blue);}
.arrow-link::after{content:"→";margin-left:6px;transition:margin .2s ease;}
.related-card:hover .arrow-link::after{margin-left:10px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;}
.accordion-item{
  border:0!important;border-bottom:1px solid var(--line)!important;
  background:transparent!important;border-radius:0!important;
}
.accordion-button{
  background:transparent!important;color:var(--title)!important;
  font-size:16px;font-weight:500;padding:18px 40px 18px 16px;
  box-shadow:none!important;border-radius:0!important;
  position:relative;
}
.accordion-button::after{display:none!important;}
.accordion-button::before{
  content:"+";position:absolute;right:14px;top:50%;transform:translateY(-50%);
  font-size:20px;color:var(--blue);line-height:1;font-weight:400;
}
.accordion-button:not(.collapsed){color:var(--blue-deep)!important;font-weight:600;}
.accordion-button:not(.collapsed)::before{content:"−";}
.accordion-button:not(.collapsed)::outside{display:none;}
.accordion-item:has(.accordion-button:not(.collapsed)){box-shadow:inset 3px 0 0 var(--blue);}
.accordion-body{font-size:15px;color:var(--text);padding:0 40px 20px 16px;}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(90deg,#EEF4FF 0%,#FFFFFF 100%);
  border-top:1px solid var(--line);border-bottom:1px solid var(--line);
  padding:56px 0;
}
.cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;}
.cta-grid h2{margin-bottom:12px;}
.cta-grid p{color:var(--text);margin-bottom:8px;}
.cta-note{font-size:14px;color:var(--muted);}
.mini-form{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh);}
.field{margin-bottom:14px;}
.field label{display:block;font-size:14px;color:var(--text);margin-bottom:6px;font-weight:500;}
.field input{
  width:100%;height:44px;border:1px solid var(--line);border-radius:var(--r-btn);
  padding:0 12px;font-size:15px;color:var(--text);background:#fff;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field input:focus{border-color:var(--blue);box-shadow:0 0 0 3px rgba(18,89,195,.14);}
.field.error input{border-color:var(--err);}
.field .msg{font-size:13px;color:var(--err);margin-top:5px;display:none;}
.field.error .msg{display:block;}
.form-ok{
  display:none;font-size:14px;color:#0C7A5C;background:#E8F7F1;
  border-radius:var(--r-btn);padding:10px 12px;margin-bottom:14px;
}
.form-ok.show{display:block;}
.mini-form .btn-amber{width:100%;padding:12px 18px;font-size:15px;}
.terms{font-size:14px;color:var(--muted);margin-top:12px;}

/* ---------- footer ---------- */
.site-footer{background:#0B1F33;color:#C6D3E2;padding:56px 0 24px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
.site-footer .brand-text{color:#fff;}
.footer-brand p{font-size:14px;color:#9DB0C6;margin-top:14px;max-width:320px;}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:14px;}
.footer-col li{font-size:14px;color:#9DB0C6;margin-bottom:10px;}
.footer-col a{color:#C6D3E2;}
.footer-col a:hover{color:#fff;}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:#8FA3B8;
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  h1{font-size:34px;}
  h2{font-size:27px;}
}
@media (max-width:991px){
  h1{font-size:30px;}
  h2{font-size:25px;}
  .hot-chips{display:none;}
  .head-search{display:none;}
  .nav-burger{display:inline-flex;}
  .head-nav{
    display:none;position:absolute;left:0;right:0;top:100%;
    background:#fff;border-bottom:1px solid var(--line);
    box-shadow:0 12px 24px rgba(11,31,51,.10);padding:8px 20px 16px;
  }
  .head-nav.open{display:block;}
  .head-nav ul{flex-direction:column;gap:0;}
  .head-nav a{display:block;padding:12px 0;border-bottom:1px solid var(--line);}
  .head-nav a.active{border-bottom-color:var(--line);color:var(--blue-deep);}
  .hero-grid{grid-template-columns:1fr;gap:28px;}
  .related-grid{grid-template-columns:1fr 1fr;}
  .cta-grid{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  h1{font-size:28px;}
  h2{font-size:23px;}
  h3{font-size:19px;}
  .section{padding:40px 0;}
  .page-hero{padding:36px 0 32px;}
  .head-top{padding:12px 0;}
  .brand-text{font-size:17px;}
  .timeline{padding-left:26px;}
  .timeline::before{left:7px;}
  .tl-item::before{left:-26px;width:12px;height:12px;}
  .tl-card{padding:18px;}
  .related-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .hero-actions .btn-solid,.hero-actions .btn-ghost{flex:1 1 100%;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;}
  .tl-card:hover,.related-card:hover{transform:none;}
}