/* roulang page: index */
:root{
  --brand:#1B64F0;
  --brand-dark:#1556D6;
  --deep:#0B3550;
  --orange:#FF7A45;
  --cyan:#12B8A6;
  --bg:#F5F8FC;
  --band:#EAF2FB;
  --surface:#FFFFFF;
  --text:#10243A;
  --muted:#5B6C80;
  --line:#D9E5F2;
  --ok:#159F73;
  --err:#D64545;
  --r-btn:12px;
  --r-card:18px;
  --r-media:24px;
  --sh-sm:0 4px 12px rgba(18,48,86,.06);
  --sh-md:0 12px 32px rgba(18,48,86,.08);
  --sh-lg:0 24px 60px rgba(18,48,86,.12);
  --focus:0 0 0 4px rgba(27,100,240,.16);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  padding-bottom:80px;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease,box-shadow .2s ease,transform .2s ease;}
a:hover{color:var(--brand-dark);}
button{font-family:inherit;}
h1,h2,h3,h4,p,ul,ol{margin:0;}
ul,ol{padding-left:1.15rem;}
:focus-visible{outline:none;box-shadow:var(--focus);border-radius:8px;}
.wrap{max-width:1200px;margin:0 auto;padding:0 24px;}
.section{padding:96px 0;}
.section.alt{background:var(--band);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.08em;color:var(--brand);
  background:rgba(27,100,240,.08);border:1px solid rgba(27,100,240,.16);
  padding:6px 14px;border-radius:999px;margin-bottom:18px;font-weight:600;
}
h1{font-size:clamp(2.2rem,4.6vw,3.7rem);font-weight:800;line-height:1.16;letter-spacing:0;}
h2{font-size:clamp(1.75rem,3vw,2.4rem);font-weight:750;line-height:1.28;letter-spacing:0;}
h3{font-size:1.25rem;font-weight:700;line-height:1.45;}
.lead{font-size:1.06rem;color:var(--muted);line-height:1.9;}
.section-head{max-width:760px;margin-bottom:52px;}
.section-head p{margin-top:16px;color:var(--muted);}

/* 导航 */
.site-header{
  position:fixed;top:16px;left:0;right:0;z-index:1040;
  display:flex;justify-content:center;padding:0 16px;
}
.nav-glass{
  width:min(1200px,100%);
  height:72px;
  display:flex;align-items:center;gap:18px;
  padding:0 16px 0 20px;
  border-radius:18px;
  background:rgba(255,255,255,.55);
  backdrop-filter:blur(18px) saturate(160%);
  -webkit-backdrop-filter:blur(18px) saturate(160%);
  border:1px solid rgba(255,255,255,.7);
  box-shadow:0 10px 30px rgba(18,48,86,.10);
  transition:background .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.site-header.is-scrolled .nav-glass{
  background:rgba(255,255,255,.94);
  box-shadow:0 12px 34px rgba(18,48,86,.14);
  border-color:var(--line);
}
.nav-logo{
  display:flex;align-items:center;gap:10px;
  font-weight:800;font-size:1.06rem;color:var(--deep);white-space:nowrap;
  letter-spacing:0;
}
.nav-logo:hover{color:var(--brand);}
.logo-mark{
  width:36px;height:36px;border-radius:11px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--brand),var(--cyan));
  color:#fff;font-size:16px;flex:0 0 auto;
  box-shadow:0 6px 16px rgba(27,100,240,.28);
}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;height:44px;padding:0 14px;
  color:var(--deep);font-size:.95rem;font-weight:600;border-radius:10px;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:9px;height:2px;
  background:var(--brand);border-radius:2px;transform:scaleX(0);transform-origin:left;
  transition:transform .24s ease;
}
.nav-link:hover{color:var(--brand);background:rgba(27,100,240,.06);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--brand);font-weight:750;}
.nav-link.active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:8px;}
.icon-btn{
  width:40px;height:40px;border-radius:50%;
  display:grid;place-items:center;
  border:1px solid var(--line);background:#fff;color:var(--deep);
  transition:all .2s ease;
}
.icon-btn:hover{background:var(--band);color:var(--brand);border-color:rgba(27,100,240,.35);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--deep);align-items:center;justify-content:center;
}
.drawer{
  position:fixed;inset:0;z-index:1050;background:#fff;
  padding:22px;display:none;flex-direction:column;
}
.drawer.open{display:flex;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;margin-bottom:16px;}
.drawer a.drawer-link{
  display:flex;align-items:center;min-height:48px;padding:0 8px;
  font-size:1.02rem;font-weight:600;color:var(--deep);
  border-bottom:1px solid var(--line);
}
.drawer a.drawer-link.active{color:var(--brand);}
.drawer-cta{margin-top:auto;padding-top:20px;}

/* 按钮 */
.btn-main,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;border-radius:var(--r-btn);
  font-weight:700;font-size:.98rem;border:1px solid transparent;
  transition:all .2s ease;
}
.btn-main{background:var(--brand);color:#fff;box-shadow:0 10px 24px rgba(27,100,240,.24);}
.btn-main:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 14px 30px rgba(27,100,240,.30);}
.btn-main:active{transform:translateY(1px);box-shadow:0 6px 16px rgba(27,100,240,.22);}
.btn-ghost{background:#fff;color:var(--brand);border-color:rgba(27,100,240,.35);}
.btn-ghost:hover{background:var(--band);color:var(--brand-dark);border-color:var(--brand);}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{min-height:44px;padding:0 18px;font-size:.92rem;}
.btn-main[disabled],.btn-ghost[disabled]{opacity:.55;pointer-events:none;transform:none;box-shadow:none;}
.arrow-link{
  display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:.94rem;color:var(--brand);
}
.arrow-link i{transition:transform .2s ease;}
.arrow-link:hover i{transform:translateX(3px);}

/* Hero */
.hero{
  position:relative;overflow:hidden;
  padding:148px 0 92px;
  background:
    radial-gradient(900px 420px at 82% 8%, rgba(27,100,240,.14), transparent 68%),
    radial-gradient(700px 380px at 6% 88%, rgba(18,184,166,.12), transparent 70%),
    var(--bg);
}
.hero::after{
  content:"";position:absolute;left:-80px;bottom:-120px;width:420px;height:420px;border-radius:50%;
  border:1px solid rgba(27,100,240,.12);pointer-events:none;
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;position:relative;z-index:2;}
.hero h1 span{color:var(--brand);}
.hero .lead{margin-top:20px;max-width:560px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.trust-badges{
  display:grid;grid-template-columns:repeat(4,1fr);gap:12px;margin-top:40px;
  list-style:none;padding:0;
}
.trust-badges li{
  display:flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.75);border:1px solid var(--line);
  border-radius:999px;padding:9px 14px;font-size:.83rem;font-weight:600;color:var(--deep);
  box-shadow:var(--sh-sm);
}
.trust-badges i{color:var(--cyan);font-size:.85rem;}
.hero-media{
  position:relative;border-radius:var(--r-media);overflow:hidden;
  box-shadow:var(--sh-lg);border:1px solid rgba(255,255,255,.9);
  aspect-ratio:16/10;background:var(--band);
}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.hero-media::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(11,53,80,.06),rgba(27,100,240,.28));
}
.hero-tag{
  position:absolute;z-index:2;background:rgba(255,255,255,.94);
  border-radius:12px;padding:10px 14px;font-size:.83rem;font-weight:700;color:var(--deep);
  box-shadow:var(--sh-md);display:flex;align-items:center;gap:8px;
}
.hero-tag i{color:var(--brand);}
.hero-tag.top{top:16px;left:16px;}
.hero-tag.bottom{bottom:16px;right:16px;}

/* 卖点阶梯 */
.feature-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px;}
.feature-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:32px;box-shadow:var(--sh-md);position:relative;overflow:hidden;
  display:flex;flex-direction:column;gap:14px;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.feature-card:hover{transform:translateY(-2px);box-shadow:var(--sh-lg);border-color:rgba(27,100,240,.28);}
.feature-card .num{
  position:absolute;top:10px;right:22px;font-size:3.6rem;font-weight:800;color:rgba(27,100,240,.08);
  line-height:1;pointer-events:none;
}
.feature-icon{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  background:rgba(27,100,240,.10);color:var(--brand);font-size:19px;
}
.feature-card:nth-child(2) .feature-icon{background:rgba(18,184,166,.12);color:var(--cyan);}
.feature-card:nth-child(3) .feature-icon{background:rgba(255,122,69,.14);color:var(--orange);}
.feature-card p{color:var(--muted);font-size:.96rem;}
.feature-card:nth-child(1){grid-column:span 7;}
.feature-card:nth-child(2){grid-column:span 5;margin-top:44px;}
.feature-card:nth-child(3){grid-column:2 / span 6;}

/* 时间线 */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;}
.timeline{list-style:none;padding:0;margin:0;position:relative;}
.timeline li{position:relative;padding:0 0 34px 62px;}
.timeline li:last-child{padding-bottom:0;}
.timeline li::before{
  content:"";position:absolute;left:21px;top:46px;bottom:0;width:2px;
  background:linear-gradient(180deg,rgba(27,100,240,.5),rgba(27,100,240,.08));
}
.timeline li:last-child::before{display:none;}
.tl-num{
  position:absolute;left:0;top:0;width:44px;height:44px;border-radius:50%;
  display:grid;place-items:center;font-weight:800;color:#fff;
  background:linear-gradient(140deg,var(--brand),var(--cyan));
  box-shadow:0 8px 20px rgba(27,100,240,.26);
}
.timeline h3{margin-bottom:6px;}
.timeline p{color:var(--muted);font-size:.95rem;}
.media-panel{
  position:relative;border-radius:var(--r-media);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--sh-lg);aspect-ratio:4/3;background:var(--band);
}
.media-panel img{width:100%;height:100%;object-fit:cover;}
.media-panel::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(200deg,rgba(11,53,80,0) 40%,rgba(11,53,80,.42));
}
.media-label{
  position:absolute;left:18px;bottom:16px;z-index:2;
  background:rgba(255,255,255,.95);border-radius:10px;padding:8px 14px;
  font-size:.82rem;font-weight:700;color:var(--deep);
}

/* 数据带 */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  padding:40px 32px;box-shadow:var(--sh-md);margin-bottom:36px;
}
.stat-item{text-align:center;border-right:1px solid var(--line);}
.stat-item:last-child{border-right:0;}
.stat-num{font-size:2.2rem;font-weight:800;color:var(--brand);line-height:1.2;letter-spacing:0;}
.stat-item:nth-child(2) .stat-num{color:var(--deep);}
.stat-item:nth-child(3) .stat-num{color:var(--cyan);}
.stat-item:nth-child(4) .stat-num{color:var(--orange);}
.stat-label{font-size:.83rem;color:var(--muted);margin-top:6px;}
.tag-strip{
  display:flex;flex-wrap:wrap;gap:12px;list-style:none;padding:0;margin:0;
}
.tag-strip li{
  background:var(--surface);border:1px solid var(--line);border-radius:999px;
  padding:9px 18px;font-size:.88rem;font-weight:600;color:var(--deep);box-shadow:var(--sh-sm);
}

/* 资讯卡片 */
.list-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;flex-wrap:wrap;}
.posts-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.post-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-md);display:flex;flex-direction:column;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.post-card:hover{transform:translateY(-3px);box-shadow:var(--sh-lg);border-color:rgba(27,100,240,.28);}
.post-cover{display:block;aspect-ratio:16/9;overflow:hidden;background:var(--band);position:relative;}
.post-cover img{width:100%;height:100%;object-fit:cover;transition:transform .32s ease;}
.post-card:hover .post-cover img{transform:scale(1.04);}
.post-body{padding:24px 24px 26px;display:flex;flex-direction:column;gap:12px;flex:1;}
.badge-soft{
  align-self:flex-start;background:rgba(27,100,240,.10);color:var(--brand);
  border-radius:999px;padding:4px 12px;font-size:.78rem;font-weight:700;
}
.post-body h3{font-size:1.06rem;line-height:1.5;}
.post-body h3 a{color:var(--deep);}
.post-body h3 a:hover{color:var(--brand);}
.post-body p{color:var(--muted);font-size:.92rem;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.post-meta{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding-top:14px;border-top:1px solid var(--line);font-size:.83rem;color:var(--muted);
}
.empty-state{
  border:1px dashed rgba(27,100,240,.4);background:rgba(234,242,251,.7);
  border-radius:var(--r-card);padding:52px 28px;text-align:center;
}
.empty-state i{font-size:26px;color:var(--brand);}
.empty-state p{margin:14px 0 20px;color:var(--muted);}

/* FAQ */
.faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:56px;align-items:start;}
.faq-list{border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  background:transparent;border:0;text-align:left;padding:20px 16px 20px 0;
  font-size:1.02rem;font-weight:700;color:var(--deep);min-height:56px;
  border-left:3px solid transparent;transition:all .2s ease;
}
.faq-q:hover{color:var(--brand);border-left-color:rgba(27,100,240,.35);padding-left:14px;}
.faq-item.open .faq-q{color:var(--brand);border-left-color:var(--brand);padding-left:14px;}
.faq-q i{transition:transform .24s ease;color:var(--muted);font-size:.85rem;}
.faq-item.open .faq-q i{transform:rotate(180deg);color:var(--brand);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{padding:0 16px 20px 14px;color:var(--muted);font-size:.95rem;}

/* 表单 */
.form-card{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-md);padding:40px;
}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field.full{grid-column:1 / -1;}
.field label{font-size:.88rem;font-weight:700;color:var(--deep);}
.field input,.field textarea{
  width:100%;min-height:48px;padding:12px 14px;border-radius:var(--r-btn);
  border:1px solid var(--line);background:#fff;color:var(--text);font-size:.96rem;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.field textarea{min-height:112px;resize:vertical;line-height:1.75;}
.field input:focus,.field textarea:focus{outline:none;border-color:var(--brand);box-shadow:var(--focus);}
.check-row{display:flex;align-items:flex-start;gap:10px;font-size:.88rem;color:var(--muted);}
.check-row input{width:18px;height:18px;margin-top:4px;accent-color:var(--brand);flex:0 0 auto;}
.form-note{font-size:.83rem;color:var(--muted);margin-top:14px;}
.form-msg{display:none;margin-top:16px;font-size:.9rem;font-weight:600;color:var(--ok);}
.form-msg.show{display:block;}

/* 页脚 */
.site-footer{background:var(--deep);color:#fff;padding:72px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:2fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:52px;}
.footer-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:1.05rem;color:#fff;margin-bottom:16px;}
.footer-brand .logo-mark{box-shadow:none;}
.site-footer p,.site-footer li,.site-footer a{font-size:.9rem;color:rgba(255,255,255,.72);line-height:1.9;}
.site-footer a:hover{color:var(--cyan);}
.footer-title{font-size:.95rem;font-weight:700;color:#fff;margin-bottom:16px;}
.footer-list{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.14);
  padding:22px 0;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:.82rem;color:rgba(255,255,255,.6);
}

/* 固定转化条 */
.fixed-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1030;
  background:rgba(255,255,255,.96);
  backdrop-filter:blur(12px);-webkit-backdrop-filter:blur(12px);
  border-top:1px solid var(--line);
  box-shadow:0 -8px 28px rgba(18,48,86,.10);
  padding:12px 0;
}
.fixed-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;}
.fixed-text{display:flex;align-items:center;gap:10px;font-size:.9rem;font-weight:600;color:var(--deep);}
.fixed-text i{color:var(--brand);}
.fixed-actions{display:flex;gap:12px;align-items:center;}

@media (min-width:1200px){ .wrap{max-width:1200px;} }
@media (max-width:1199px){
  .wrap{padding:0 20px;}
  .hero{padding-top:136px;}
  .section{padding:80px 0;}
  .feature-card{padding:28px;}
  .stats{padding:32px 24px;gap:16px;}
}
@media (max-width:991px){
  .nav-links{display:none;}
  .nav-actions .icon-btn{display:none;}
  .nav-toggle{display:flex;}
  .nav-glass{padding:0 12px 0 16px;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-media{aspect-ratio:16/9;}
  .trust-badges{grid-template-columns:repeat(2,1fr);}
  .split{grid-template-columns:1fr;gap:40px;}
  .faq-grid{grid-template-columns:1fr;gap:32px;}
  .posts-grid{grid-template-columns:repeat(2,1fr);}
  .stats{grid-template-columns:repeat(2,1fr);}
  .stat-item{border-right:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .feature-card:nth-child(1),
  .feature-card:nth-child(2),
  .feature-card:nth-child(3){grid-column:span 12;margin-top:0;}
}
@media (max-width:767px){
  body{font-size:15.5px;padding-bottom:76px;}
  h1{font-size:2rem;line-height:1.24;}
  .section{padding:56px 0;}
  .hero{padding:120px 0 56px;}
  .hero-cta .btn-main,.hero-cta .btn-ghost{flex:1 1 100%;}
  .posts-grid{grid-template-columns:1fr;}
  .form-grid{grid-template-columns:1fr;}
  .form-card{padding:26px;}
  .stats{grid-template-columns:1fr 1fr;padding:26px 18px;}
  .stat-num{font-size:1.7rem;}
  .fixed-text span{display:none;}
  .fixed-actions .btn-ghost{display:none;}
  .fixed-bar{padding:8px 0;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .list-head{flex-direction:column;align-items:flex-start;gap:12px;}
}
@media (max-width:519px){
  .wrap{padding:0 16px;}
  .hero-cta{flex-direction:column;}
  .btn-main,.btn-ghost{width:100%;}
  .trust-badges{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
}

/* roulang page: category1 */
:root{
  --brand:#1B64F0;
  --brand-dark:#1556D6;
  --deep:#0B3550;
  --orange:#FF7A45;
  --teal:#12B8A6;
  --bg:#F5F8FC;
  --band:#EAF2FB;
  --surface:#FFFFFF;
  --text:#10243A;
  --muted:#5B6C80;
  --line:#D9E5F2;
  --ok:#159F73;
  --err:#D64545;
  --r-btn:12px;
  --r-card:18px;
  --r-media:24px;
  --sh-sm:0 4px 12px rgba(18,48,86,.06);
  --sh-md:0 12px 32px rgba(18,48,86,.08);
  --sh-lg:0 24px 60px rgba(18,48,86,.12);
  --ring:0 0 0 4px rgba(27,100,240,.16);
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Hiragino Sans GB","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand-dark);}
h1,h2,h3,h4{margin:0;color:var(--deep);font-weight:700;letter-spacing:0;line-height:1.25;}
p{margin:0 0 16px;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:none;box-shadow:var(--ring);border-radius:8px;}
.wrap{width:min(var(--maxw),calc(100% - 40px));margin-inline:auto;}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:16px;left:0;right:0;z-index:1040;
  display:flex;justify-content:center;
  pointer-events:none;
}
.nav-glass{
  pointer-events:auto;
  width:min(var(--maxw),calc(100% - 32px));
  min-height:72px;
  display:flex;align-items:center;gap:24px;
  padding:10px 18px 10px 22px;
  border-radius:18px;
  background:rgba(255,255,255,.58);
  border:1px solid rgba(255,255,255,.72);
  backdrop-filter:blur(18px) saturate(160%);
  -webkit-backdrop-filter:blur(18px) saturate(160%);
  box-shadow:0 10px 30px rgba(18,48,86,.10);
  transition:background .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.site-header.scrolled .nav-glass{
  background:rgba(255,255,255,.95);
  border-color:rgba(217,229,242,.9);
  box-shadow:var(--sh-md);
}
.nav-logo{
  display:inline-flex;align-items:center;gap:10px;
  font-size:1.06rem;font-weight:800;color:var(--deep);
  white-space:nowrap;
}
.nav-logo:hover{color:var(--deep);}
.logo-mark{
  width:36px;height:36px;flex:0 0 36px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:12px;
  background:linear-gradient(140deg,var(--brand),#3f8bff 60%,var(--teal));
  color:#fff;font-size:.95rem;
  box-shadow:0 6px 16px rgba(27,100,240,.28);
}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px;}
.nav-link{
  position:relative;
  display:inline-flex;align-items:center;
  min-height:44px;padding:0 14px;
  border-radius:10px;
  font-size:.95rem;font-weight:500;color:var(--deep);
  transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:8px;
  height:2px;border-radius:2px;background:var(--brand);
  transform:scaleX(0);transform-origin:left;transition:transform .24s ease;
}
.nav-link:hover{color:var(--brand);background:rgba(27,100,240,.06);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--brand);font-weight:700;}
.nav-link.active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto;}
.icon-btn{
  width:40px;height:40px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);background:rgba(255,255,255,.86);
  color:var(--deep);font-size:.9rem;cursor:pointer;
  transition:background .2s ease,color .2s ease,border-color .2s ease,transform .2s ease;
}
.icon-btn:hover{background:var(--band);color:var(--brand);border-color:#c3d8f3;transform:translateY(-1px);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--deep);cursor:pointer;
  align-items:center;justify-content:center;font-size:1rem;
}
.btn-main{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 22px;
  border:none;border-radius:var(--r-btn);
  background:var(--brand);color:#fff;
  font-size:.95rem;font-weight:700;letter-spacing:.2px;
  box-shadow:0 8px 20px rgba(27,100,240,.24);
  transition:background .2s ease,transform .2s ease,box-shadow .2s ease;
  cursor:pointer;
}
.btn-main:hover{background:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 12px 26px rgba(27,100,240,.30);}
.btn-main:active{transform:translateY(0);box-shadow:0 6px 14px rgba(27,100,240,.24);}
.btn-main.btn-sm{min-height:42px;padding:0 18px;font-size:.9rem;border-radius:11px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 22px;
  border:1px solid rgba(27,100,240,.34);border-radius:var(--r-btn);
  background:#fff;color:var(--brand);
  font-size:.95rem;font-weight:700;
  transition:background .2s ease,border-color .2s ease,transform .2s ease,color .2s ease;
  cursor:pointer;
}
.btn-ghost:hover{background:var(--band);border-color:var(--brand);color:var(--brand-dark);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.text-link{
  display:inline-flex;align-items:center;gap:8px;
  font-weight:700;font-size:.95rem;color:var(--brand);
}
.text-link i{transition:transform .22s ease;}
.text-link:hover i{transform:translateX(3px);}

/* ---------- common ---------- */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.band{background:var(--band);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  background:rgba(27,100,240,.10);color:var(--brand);
  font-size:.8rem;font-weight:700;letter-spacing:.06em;
}
.h2-lead{max-width:640px;}
.h2-lead h2{font-size:clamp(1.75rem,3vw,2.4rem);margin-bottom:14px;}
.h2-lead p{color:var(--muted);font-size:1rem;}
.sec-title{font-size:clamp(1.6rem,2.6vw,2.1rem);margin-bottom:12px;}
.sec-sub{color:var(--muted);margin-bottom:0;}
.crumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:.86rem;color:var(--muted);margin-bottom:0;
}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:#a9bccf;}
.crumb .current{color:var(--deep);font-weight:600;}

/* ---------- hero ---------- */
.cat-hero{
  position:relative;
  padding:150px 0 72px;
  background:
    radial-gradient(900px 420px at 82% -10%,rgba(27,100,240,.13),transparent 62%),
    radial-gradient(700px 380px at 6% 8%,rgba(18,184,166,.10),transparent 58%),
    var(--surface);
  overflow:hidden;
}
.cat-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:-1px;height:120px;
  background:linear-gradient(180deg,rgba(245,248,252,0),var(--bg));
  pointer-events:none;
}
.hero-wave{
  position:absolute;right:-120px;top:90px;width:640px;height:340px;
  background:
    repeating-radial-gradient(circle at 0 100%,transparent 0 26px,rgba(27,100,240,.09) 26px 28px);
  opacity:.7;pointer-events:none;transform:rotate(-8deg);
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;
}
.cat-hero h1{
  font-size:clamp(2.1rem,4.2vw,3.2rem);
  font-weight:800;line-height:1.15;margin:18px 0 16px;
}
.cat-hero h1 em{font-style:normal;color:var(--brand);}
.hero-desc{font-size:1.05rem;color:var(--muted);max-width:600px;margin-bottom:26px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:28px;}
.hero-chiprow{display:flex;flex-wrap:wrap;gap:10px;}
.chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:7px 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);
  font-size:.83rem;font-weight:600;color:var(--deep);
  box-shadow:var(--sh-sm);
}
.chip i{color:var(--teal);font-size:.8rem;}
.media-frame{
  position:relative;border-radius:var(--r-media);overflow:hidden;
  box-shadow:var(--sh-lg);background:var(--band);
  aspect-ratio:16/11;
}
.media-frame img{width:100%;height:100%;object-fit:cover;}
.media-frame::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(150deg,rgba(11,53,80,.30),rgba(27,100,240,.14) 45%,rgba(255,255,255,.08));
  z-index:1;
}
.media-tag{
  position:absolute;z-index:2;
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:999px;
  background:rgba(255,255,255,.92);color:var(--deep);
  font-size:.82rem;font-weight:700;
  box-shadow:var(--sh-sm);
}
.media-tag.top{top:18px;left:18px;}
.media-tag.bottom{bottom:18px;right:18px;background:rgba(11,53,80,.86);color:#fff;}
.media-tag.bottom i{color:var(--teal);}

/* ---------- steps layout ---------- */
.split-4-8{display:grid;grid-template-columns:4fr 8fr;gap:56px;align-items:start;}
.side-note{
  position:sticky;top:112px;
}
.side-note h2{font-size:clamp(1.6rem,2.6vw,2.15rem);margin:16px 0 14px;}
.side-note p{color:var(--muted);}
.prep-card{
  margin-top:26px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-sm);
}
.prep-card .prep-title{
  display:flex;align-items:center;gap:10px;
  font-size:.95rem;font-weight:800;color:var(--deep);margin-bottom:14px;
}
.prep-card .prep-title i{color:var(--brand);}
.prep-list li{
  position:relative;padding-left:26px;
  font-size:.92rem;color:var(--muted);line-height:1.75;
}
.prep-list li + li{margin-top:10px;}
.prep-list li::before{
  content:"\f00c";
  font-family:"Font Awesome 6 Free";font-weight:900;
  position:absolute;left:0;top:1px;
  font-size:.75rem;color:var(--teal);
}
.timeline{position:relative;padding-left:8px;}
.timeline::before{
  content:"";position:absolute;left:35px;top:16px;bottom:26px;width:2px;
  background:linear-gradient(180deg,var(--brand),rgba(27,100,240,.14));
  border-radius:2px;
}
.tl-item{
  position:relative;display:flex;gap:24px;padding-bottom:26px;
}
.tl-item:last-child{padding-bottom:0;}
.tl-num{
  position:relative;z-index:2;flex:0 0 56px;width:56px;height:56px;
  border-radius:50%;display:inline-flex;align-items:center;justify-content:center;
  background:#fff;border:2px solid rgba(27,100,240,.28);
  color:var(--brand);font-weight:800;font-size:1.05rem;
  box-shadow:var(--sh-sm);
}
.tl-item.is-current .tl-num{
  background:var(--brand);border-color:var(--brand);color:#fff;
  box-shadow:0 10px 24px rgba(27,100,240,.30);
}
.tl-body{
  flex:1;background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px 26px;box-shadow:var(--sh-sm);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.tl-body:hover{transform:translateY(-2px);box-shadow:var(--sh-md);border-color:#c8dcf5;}
.tl-body h3{font-size:1.18rem;margin-bottom:8px;}
.tl-body p{color:var(--muted);font-size:.94rem;margin:0;}
.tl-meta{
  display:inline-flex;align-items:center;gap:6px;
  margin-top:14px;font-size:.8rem;font-weight:700;
  color:var(--teal);background:rgba(18,184,166,.10);
  padding:4px 12px;border-radius:999px;
}

/* ---------- info cards ---------- */
.info-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:28px;}
.info-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:30px;box-shadow:var(--sh-md);
  transition:transform .24s ease,box-shadow .24s ease;
}
.info-card:hover{transform:translateY(-2px);box-shadow:var(--sh-lg);}
.info-head{display:flex;align-items:center;gap:14px;margin-bottom:18px;}
.info-ico{
  width:48px;height:48px;flex:0 0 48px;border-radius:14px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--band);color:var(--brand);font-size:1.05rem;
}
.info-ico.warm{background:rgba(255,122,69,.12);color:var(--orange);}
.info-head h3{font-size:1.2rem;}
.info-list li{
  display:flex;gap:10px;font-size:.94rem;color:var(--muted);line-height:1.75;
}
.info-list li + li{margin-top:12px;}
.info-list li i{color:var(--brand);font-size:.78rem;margin-top:8px;flex:0 0 auto;}
.info-list.warm li i{color:var(--orange);}

/* ---------- faq ---------- */
.faq-grid{display:grid;grid-template-columns:4fr 8fr;gap:56px;align-items:start;}
.faq-list{display:flex;flex-direction:column;gap:0;}
.faq-item{
  border-bottom:1px solid var(--line);
  background:transparent;
  border-left:3px solid transparent;
  transition:border-color .2s ease,background .2s ease;
  border-radius:0;
}
.faq-item[open]{
  border-left-color:var(--brand);
  background:rgba(27,100,240,.04);
}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:64px;padding:14px 18px;
  font-size:1.02rem;font-weight:700;color:var(--deep);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--brand);}
.faq-ico{
  flex:0 0 32px;width:32px;height:32px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--line);color:var(--brand);
  font-size:.8rem;transition:transform .25s ease,background .25s ease,color .25s ease;
}
.faq-item[open] .faq-ico{transform:rotate(45deg);background:var(--brand);color:#fff;border-color:var(--brand);}
.faq-answer{padding:0 18px 20px;font-size:.95rem;color:var(--muted);line-height:1.85;}

/* ---------- cta card ---------- */
.cta-card{
  position:relative;overflow:hidden;
  background:linear-gradient(120deg,#0B3550,#124a72 58%,#1556D6 130%);
  border-radius:26px;padding:56px 52px;
  box-shadow:var(--sh-lg);
  display:grid;grid-template-columns:1fr auto;gap:36px;align-items:center;
}
.cta-card::after{
  content:"";position:absolute;right:-80px;top:-80px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,184,166,.34),transparent 68%);
}
.cta-card h2{color:#fff;font-size:clamp(1.55rem,2.6vw,2.1rem);margin-bottom:12px;position:relative;z-index:2;}
.cta-card p{color:rgba(255,255,255,.82);margin:0;max-width:640px;position:relative;z-index:2;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:2;}
.cta-actions .btn-main{background:#fff;color:var(--brand);box-shadow:0 12px 28px rgba(0,0,0,.18);}
.cta-actions .btn-main:hover{background:#EAF2FB;color:var(--brand-dark);}
.cta-actions .btn-ghost{background:transparent;color:#fff;border-color:rgba(255,255,255,.52);}
.cta-actions .btn-ghost:hover{background:rgba(255,255,255,.14);border-color:#fff;color:#fff;}

/* ---------- footer ---------- */
.site-footer{
  background:var(--deep);color:rgba(255,255,255,.82);
  padding:72px 0 0;margin-top:88px;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:44px;
  padding-bottom:48px;
}
.footer-brand{
  display:flex;align-items:center;gap:10px;
  font-size:1.05rem;font-weight:800;color:#fff;margin-bottom:16px;
}
.site-footer p{font-size:.9rem;line-height:1.85;color:rgba(255,255,255,.72);margin:0;}
.footer-title{font-size:.95rem;font-weight:800;color:#fff;margin-bottom:16px;}
.footer-list li{font-size:.9rem;color:rgba(255,255,255,.72);line-height:1.9;}
.footer-list li + li{margin-top:6px;}
.footer-list a{color:rgba(255,255,255,.72);}
.footer-list a:hover{color:var(--teal);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  border-top:1px solid rgba(255,255,255,.14);
  padding:22px 0 28px;font-size:.84rem;color:rgba(255,255,255,.58);
}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .wrap{width:min(var(--maxw),calc(100% - 36px));}
  .hero-grid{gap:40px;}
  .split-4-8,.faq-grid{gap:40px;}
  .cta-card{padding:46px 38px;}
}
@media (max-width:991px){
  .nav-links{gap:2px;}
  .nav-link{padding:0 10px;font-size:.9rem;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .cat-hero{padding:140px 0 60px;}
  .media-frame{max-width:560px;}
  .split-4-8,.faq-grid{grid-template-columns:1fr;gap:32px;}
  .side-note{position:static;}
  .info-grid{grid-template-columns:1fr;}
  .cta-card{grid-template-columns:1fr;padding:40px 30px;gap:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:767px){
  body{line-height:1.85;}
  .nav-glass{gap:12px;padding:8px 12px 8px 16px;min-height:64px;border-radius:16px;}
  .nav-logo{font-size:.98rem;}
  .logo-mark{width:32px;height:32px;flex-basis:32px;font-size:.85rem;border-radius:10px;}
  .nav-links{
    position:fixed;top:0;right:0;bottom:0;
    width:min(320px,86vw);
    background:#fff;
    flex-direction:column;align-items:stretch;
    gap:4px;padding:88px 20px 28px;
    box-shadow:-24px 0 60px rgba(18,48,86,.18);
    transform:translateX(104%);
    transition:transform .3s ease;
    z-index:1035;
    overflow-y:auto;
  }
  body.nav-open .nav-links{transform:translateX(0);}
  .nav-link{min-height:48px;font-size:1rem;border-radius:10px;}
  .nav-link::after{display:none;}
  .nav-link.active{background:var(--band);}
  .nav-toggle{display:inline-flex;}
  .nav-actions .btn-main.btn-sm{display:none;}
  .cat-hero{padding:120px 0 52px;}
  .cat-hero h1{font-size:2rem;}
  .hero-desc{font-size:.98rem;}
  .section{padding:58px 0;}
  .section-tight{padding:48px 0;}
  .btn-main,.btn-ghost{min-height:48px;}
  .timeline::before{left:27px;}
  .tl-item{gap:16px;}
  .tl-num{flex-basis:44px;width:44px;height:44px;font-size:.95rem;}
  .tl-body{padding:20px;}
  .info-card{padding:24px;}
  .hero-actions .btn-main,.hero-actions .btn-ghost{flex:1 1 100%;}
  .site-footer{margin-top:60px;padding-top:56px;}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:36px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:519px){
  .wrap{width:calc(100% - 28px);}
  .cat-hero h1{font-size:1.72rem;line-height:1.3;}
  .eyebrow{font-size:.74rem;padding:5px 12px;}
  .chip{font-size:.78rem;}
  .cta-card{padding:32px 22px;border-radius:20px;}
  .cta-actions .btn-main,.cta-actions .btn-ghost{width:100%;}
  .info-card{padding:20px;}
  .media-tag{font-size:.76rem;padding:7px 12px;}
}

/* roulang page: article */
:root{
  --brand:#1B64F0;
  --brand-dark:#1556D6;
  --deep:#0B3550;
  --orange:#FF7A45;
  --teal:#12B8A6;
  --bg:#F5F8FC;
  --band:#EAF2FB;
  --surface:#FFFFFF;
  --text:#10243A;
  --muted:#5B6C80;
  --line:#D9E5F2;
  --ok:#159F73;
  --err:#D64545;
  --r-btn:12px;
  --r-card:18px;
  --r-media:24px;
  --sh-sm:0 4px 12px rgba(18,48,86,.06);
  --sh-md:0 12px 32px rgba(18,48,86,.08);
  --sh-lg:0 24px 60px rgba(18,48,86,.12);
  --font-cn:"PingFang SC","Microsoft YaHei","Hiragino Sans GB","Noto Sans SC","Source Han Sans SC",sans-serif;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  padding:0;
  font-family:var(--font-cn);
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-dark);}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:3px solid rgba(27,100,240,.45);outline-offset:2px;border-radius:6px;}
.wrap{width:min(1200px,calc(100% - 40px));margin:0 auto;}
@media (min-width:1400px){.wrap{width:min(1280px,calc(100% - 64px));}}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:16px;left:50%;transform:translateX(-50%);
  width:min(1200px,calc(100% - 32px));
  z-index:1040;
}
.nav-glass{
  display:flex;align-items:center;gap:24px;
  height:72px;padding:0 18px 0 20px;
  border-radius:18px;
  background:rgba(255,255,255,.55);
  backdrop-filter:blur(18px) saturate(160%);
  -webkit-backdrop-filter:blur(18px) saturate(160%);
  border:1px solid rgba(255,255,255,.72);
  box-shadow:var(--sh-md);
  transition:background .28s ease,box-shadow .28s ease;
}
.site-header.scrolled .nav-glass{
  background:rgba(255,255,255,.94);
  box-shadow:var(--sh-lg);
  border-color:var(--line);
}
.nav-logo{
  display:inline-flex;align-items:center;gap:10px;
  font-weight:800;font-size:1.0625rem;color:var(--deep);
  letter-spacing:0;white-space:nowrap;
}
.nav-logo:hover{color:var(--brand);}
.logo-mark{
  width:36px;height:36px;flex:0 0 36px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:11px;
  background:linear-gradient(135deg,var(--brand),var(--teal));
  color:#fff;font-size:.95rem;
  box-shadow:0 6px 16px rgba(27,100,240,.28);
}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-link{
  position:relative;
  padding:10px 14px;border-radius:10px;
  font-size:.9375rem;font-weight:500;color:var(--deep);
  transition:color .18s ease,background .18s ease;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:6px;height:2px;
  background:var(--brand);border-radius:2px;
  transform:scaleX(0);transform-origin:left;
  transition:transform .22s ease;
}
.nav-link:hover{color:var(--brand);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--brand);font-weight:700;}
.nav-link.active::after{transform:scaleX(1);}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:8px;}
.icon-btn{
  width:40px;height:40px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.8);border:1px solid var(--line);
  color:var(--deep);font-size:.9rem;
  transition:all .18s ease;
}
.icon-btn:hover{background:var(--band);color:var(--brand);transform:translateY(-1px);}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:var(--band);border:1px solid var(--line);
  color:var(--deep);font-size:1rem;
}
@media (max-width:991px){
  .nav-glass{gap:12px;padding:0 14px;height:64px;}
  .nav-logo{font-size:.95rem;}
  .nav-logo .logo-mark{width:32px;height:32px;flex-basis:32px;}
  .nav-links{
    position:absolute;top:calc(100% + 12px);left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:#fff;border-radius:18px;border:1px solid var(--line);
    box-shadow:var(--sh-lg);padding:12px;
    display:none;
  }
  .nav-links.open{display:flex;}
  .nav-link{height:48px;display:flex;align-items:center;padding:0 16px;font-size:1rem;}
  .nav-link::after{display:none;}
  .nav-link.active{background:var(--band);}
  .nav-actions .icon-btn{display:none;}
  .nav-actions .btn-main{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;margin-left:auto;}
}
@media (max-width:575px){
  .nav-logo span:last-child{max-width:150px;overflow:hidden;text-overflow:ellipsis;}
}

/* ---------- 按钮 ---------- */
.btn-main,.btn-ghost,.btn-line{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;
  border-radius:var(--r-btn);
  font-size:.9375rem;font-weight:600;line-height:1;
  transition:transform .18s ease,box-shadow .18s ease,background .18s ease,color .18s ease,border-color .18s ease;
}
.btn-main{background:var(--brand);color:#fff;border:1px solid var(--brand);box-shadow:0 8px 20px rgba(27,100,240,.22);}
.btn-main:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;transform:translateY(-1px);box-shadow:0 14px 28px rgba(27,100,240,.3);}
.btn-main:active{transform:translateY(0);box-shadow:0 6px 14px rgba(27,100,240,.24);}
.btn-ghost{background:#fff;color:var(--brand);border:1px solid var(--brand);}
.btn-ghost:hover{background:var(--band);color:var(--brand-dark);transform:translateY(-1px);}
.btn-ghost:active{transform:translateY(0);}
.btn-line{background:transparent;color:var(--brand);border:1px solid transparent;padding:0 8px;}
.btn-line i{transition:transform .2s ease;}
.btn-line:hover i{transform:translateX(3px);}
.btn-sm{min-height:42px;padding:0 18px;font-size:.875rem;}

/* ---------- 文章头部 ---------- */
.article-main{padding-top:132px;}
.crumbs{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:.8125rem;color:var(--muted);margin-bottom:26px;
}
.crumbs a{color:var(--muted);}
.crumbs a:hover{color:var(--brand);}
.crumbs .sep{font-size:.625rem;color:#A9BACD;}
.crumbs .cur{color:var(--deep);font-weight:600;}
.article-hero{max-width:920px;}
.badge-soft{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:999px;
  background:var(--band);color:var(--brand);
  font-size:.8125rem;font-weight:600;letter-spacing:.01em;
}
.article-hero h1{
  margin:18px 0 18px;
  font-size:clamp(1.75rem,3.4vw,2.6rem);
  line-height:1.28;font-weight:800;color:var(--deep);letter-spacing:0;
}
.article-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:12px;
  font-size:.8125rem;color:var(--muted);
}
.article-meta i{margin-right:5px;color:#8AA2BC;}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#C3D3E4;}
.article-lead{
  margin:22px 0 0;
  padding:18px 22px;
  border-left:4px solid var(--brand);
  background:var(--band);
  border-radius:0 14px 14px 0;
  color:var(--deep);
  font-size:1rem;line-height:1.85;
}

/* ---------- 正文栅格 ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 320px;
  gap:44px;align-items:start;
  margin-top:44px;
}
.article-panel{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-sm);
  padding:40px 44px;
}
.article-body{
  max-width:820px;
  font-size:17.5px;line-height:1.9;color:var(--text);
  word-break:break-word;
}
.article-body > :first-child{margin-top:0;}
.article-body h2{
  font-size:1.7rem;line-height:1.35;font-weight:800;color:var(--deep);
  margin:42px 0 18px;padding-left:14px;border-left:5px solid var(--brand);border-radius:2px;
}
.article-body h3{
  font-size:1.3rem;line-height:1.4;font-weight:700;color:var(--deep);
  margin:30px 0 14px;
}
.article-body p{margin:0 0 22px;}
.article-body strong{color:var(--deep);font-weight:700;}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.article-body img{border-radius:12px;margin:24px auto;box-shadow:var(--sh-sm);}
.article-body figure{margin:26px 0;}
.article-body figcaption{font-size:.8125rem;color:var(--muted);text-align:center;margin-top:10px;}
.article-body blockquote{
  margin:26px 0;padding:18px 24px;
  border-left:4px solid var(--brand);
  background:var(--band);
  border-radius:0 12px 12px 0;
  color:var(--deep);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:24px;}
.article-body li{margin-bottom:10px;}
.article-body li::marker{color:var(--brand);}
.article-body table{
  width:100%;border-collapse:collapse;margin:26px 0;
  font-size:.9375rem;border-radius:12px;overflow:hidden;
}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left;vertical-align:top;}
.article-body th{background:var(--band);color:var(--deep);font-weight:700;}
.article-body tbody tr:nth-child(even){background:#FAFCFF;}
.article-body code{background:#F1F5FA;padding:2px 7px;border-radius:6px;font-size:.9em;color:var(--deep);}
.article-body pre{background:#F1F5FA;padding:18px;border-radius:12px;overflow:auto;margin:22px 0;}
.article-body pre code{background:none;padding:0;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:34px 0;}

/* ---------- 侧栏 ---------- */
.article-side{position:sticky;top:110px;display:grid;gap:20px;}
.side-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-sm);
  padding:24px;
}
.side-title{
  display:flex;align-items:center;gap:8px;
  font-size:.9375rem;font-weight:700;color:var(--deep);
  margin:0 0 16px;
}
.side-title i{color:var(--brand);}
.side-list{list-style:none;margin:0;padding:0;display:grid;gap:14px;}
.side-list a{
  display:block;font-size:.9rem;line-height:1.6;color:var(--deep);
  font-weight:500;transition:color .18s ease,transform .18s ease;
}
.side-list a:hover{color:var(--brand);transform:translateX(2px);}
.side-list .side-meta{display:block;font-size:.75rem;color:var(--muted);margin-top:4px;font-weight:400;}
.side-help{
  background:linear-gradient(150deg,#0B3550,#124C74);
  border:none;color:#fff;
}
.side-help .side-title{color:#fff;}
.side-help .side-title i{color:var(--teal);}
.side-help p{font-size:.875rem;line-height:1.8;color:rgba(255,255,255,.82);margin:0 0 16px;}
.side-help .btn-ghost{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.34);color:#fff;width:100%;}
.side-help .btn-ghost:hover{background:rgba(255,255,255,.18);color:#fff;}

/* ---------- 空态 ---------- */
.empty-state{
  border:1px dashed #B9D2F2;
  background:rgba(234,242,251,.6);
  border-radius:var(--r-card);
  padding:56px 28px;text-align:center;
}
.empty-state .empty-icon{
  width:60px;height:60px;margin:0 auto 18px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--line);color:var(--brand);font-size:1.35rem;
}
.empty-state h2{font-size:1.25rem;font-weight:700;color:var(--deep);margin:0 0 10px;}
.empty-state p{color:var(--muted);font-size:.9375rem;margin:0 0 24px;}

/* ---------- 文末 CTA 与推荐 ---------- */
.article-foot{margin-top:44px;display:grid;gap:36px;}
.cta-card{
  position:relative;overflow:hidden;
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-md);
  padding:34px 40px;
  display:flex;align-items:center;justify-content:space-between;gap:26px;flex-wrap:wrap;
}
.cta-card::before{
  content:"";position:absolute;right:-70px;top:-70px;width:220px;height:220px;border-radius:50%;
  background:radial-gradient(circle,rgba(27,100,240,.12),rgba(27,100,240,0) 70%);
}
.cta-card h2{font-size:1.3rem;font-weight:800;color:var(--deep);margin:0 0 8px;position:relative;}
.cta-card p{margin:0;color:var(--muted);font-size:.9375rem;position:relative;}
.cta-card .cta-actions{display:flex;gap:12px;flex-wrap:wrap;position:relative;}
.relate-title{
  display:flex;align-items:center;justify-content:space-between;gap:16px;
  margin-bottom:20px;flex-wrap:wrap;
}
.relate-title h2{font-size:1.25rem;font-weight:800;color:var(--deep);margin:0;}
.relate-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.relate-card{
  background:var(--surface);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-sm);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.relate-card:hover{transform:translateY(-2px);box-shadow:var(--sh-lg);border-color:#C6DAF3;}
.relate-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--band);}
.relate-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.relate-card:hover .relate-thumb img{transform:scale(1.04);}
.relate-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.relate-tag{font-size:.75rem;font-weight:600;color:var(--brand);background:var(--band);border-radius:999px;padding:3px 10px;align-self:flex-start;}
.relate-card h3{font-size:1rem;line-height:1.55;font-weight:700;color:var(--deep);margin:0;}
.relate-card p{font-size:.8125rem;color:var(--muted);line-height:1.75;margin:0;}
.relate-more{margin-top:auto;font-size:.8125rem;font-weight:600;color:var(--brand);display:inline-flex;align-items:center;gap:6px;}
.relate-more i{transition:transform .2s ease;}
.relate-card:hover .relate-more i{transform:translateX(3px);}

/* ---------- 页脚 ---------- */
.site-footer{
  margin-top:96px;
  background:var(--deep);
  color:rgba(255,255,255,.82);
  padding:64px 0 0;
}
.footer-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:44px;padding-bottom:48px;
}
.footer-brand{
  display:inline-flex;align-items:center;gap:10px;
  font-size:1.0625rem;font-weight:800;color:#fff;margin-bottom:16px;
}
.footer-brand .logo-mark{box-shadow:none;}
.site-footer p{font-size:.875rem;line-height:1.85;color:rgba(255,255,255,.72);margin:0;}
.footer-title{font-size:.875rem;font-weight:700;color:#fff;margin-bottom:16px;letter-spacing:.02em;}
.footer-list{list-style:none;margin:0;padding:0;display:grid;gap:10px;font-size:.875rem;}
.footer-list a{color:rgba(255,255,255,.72);}
.footer-list a:hover{color:var(--teal);}
.footer-list li{color:rgba(255,255,255,.72);line-height:1.7;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 28px;
  font-size:.8125rem;color:rgba(255,255,255,.56);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .article-layout{gap:32px;grid-template-columns:minmax(0,1fr) 290px;}
  .article-panel{padding:34px 32px;}
}
@media (max-width:991px){
  .article-main{padding-top:112px;}
  .article-layout{grid-template-columns:1fr;gap:32px;margin-top:34px;}
  .article-side{position:static;grid-template-columns:1fr 1fr;}
  .relate-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
}
@media (max-width:767px){
  body{line-height:1.85;}
  .article-main{padding-top:104px;}
  .article-panel{padding:26px 20px;border-radius:16px;}
  .article-body{font-size:17px;line-height:1.9;}
  .article-body h2{font-size:1.4rem;}
  .article-body h3{font-size:1.15rem;}
  .article-side{grid-template-columns:1fr;}
  .cta-card{padding:26px 22px;}
  .cta-card .cta-actions{width:100%;}
  .cta-card .cta-actions .btn-main,
  .cta-card .cta-actions .btn-ghost{flex:1 1 auto;}
  .site-footer{margin-top:64px;padding-top:48px;}
}
@media (max-width:575px){
  .wrap{width:calc(100% - 32px);}
  .relate-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .article-hero h1{font-size:1.65rem;}
  .btn-main,.btn-ghost{min-height:46px;font-size:.9rem;}
}

/* roulang page: category2 */
:root{
  --blue:#1B64F0;
  --blue-dark:#1556D6;
  --deep:#0B3550;
  --orange:#FF7A45;
  --teal:#12B8A6;
  --bg:#F5F8FC;
  --band:#EAF2FB;
  --surface:#FFFFFF;
  --text:#10243A;
  --muted:#5B6C80;
  --line:#D9E5F2;
  --ok:#159F73;
  --err:#D64545;
  --r-btn:12px;
  --r-card:18px;
  --r-media:24px;
  --sh-sm:0 4px 12px rgba(18,48,86,.06);
  --sh-md:0 12px 32px rgba(18,48,86,.08);
  --sh-lg:0 24px 60px rgba(18,48,86,.12);
  --ring:0 0 0 4px rgba(27,100,240,.16);
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
}

*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  padding-top:0;
}
img{max-width:100%;display:block;}
a{color:var(--blue);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--blue-dark);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--deep);letter-spacing:0;line-height:1.25;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}

:focus-visible{
  outline:none;
  box-shadow:var(--ring);
  border-radius:10px;
}

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

/* ============ 导航 ============ */
.site-header{
  position:fixed;
  top:16px;
  left:0;
  right:0;
  z-index:1030;
  padding:0 16px;
  transition:top .25s ease;
}
.nav-glass{
  position:relative;
  width:min(1200px,100%);
  margin:0 auto;
  min-height:72px;
  display:flex;
  align-items:center;
  gap:18px;
  padding:10px 18px;
  border-radius:18px;
  background:rgba(255,255,255,.55);
  border:1px solid rgba(255,255,255,.65);
  box-shadow:0 10px 30px rgba(18,48,86,.10);
  backdrop-filter:blur(18px) saturate(160%);
  -webkit-backdrop-filter:blur(18px) saturate(160%);
  transition:background .3s ease, box-shadow .3s ease, border-color .3s ease;
}
.site-header.scrolled .nav-glass{
  background:rgba(255,255,255,.94);
  border-color:var(--line);
  box-shadow:var(--sh-md);
}
.nav-logo{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  font-size:1.06rem;
  color:var(--deep);
  white-space:nowrap;
  flex-shrink:0;
}
.nav-logo:hover{color:var(--deep);}
.logo-mark{
  width:38px;height:38px;
  display:inline-flex;
  align-items:center;justify-content:center;
  border-radius:12px;
  background:linear-gradient(140deg,var(--blue),var(--teal));
  color:#fff;
  font-size:1rem;
  box-shadow:0 8px 18px rgba(27,100,240,.28);
  flex-shrink:0;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:12px;
  flex:1;
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  height:44px;
  padding:0 14px;
  border-radius:12px;
  color:var(--deep);
  font-size:.96rem;
  font-weight:500;
  transition:color .2s ease,background .2s ease;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:6px;
  height:2px;
  border-radius:2px;
  background:var(--blue);
  transform:scaleX(0);
  transform-origin:left center;
  transition:transform .25s ease;
}
.nav-link:hover{color:var(--blue);background:rgba(27,100,240,.06);}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.active{color:var(--blue);font-weight:700;}
.nav-link.active::after{transform:scaleX(1);}
.nav-actions{
  display:flex;
  align-items:center;
  gap:10px;
  margin-left:auto;
}
.icon-btn{
  width:40px;height:40px;
  display:inline-flex;
  align-items:center;justify-content:center;
  border-radius:50%;
  border:1px solid var(--line);
  background:#fff;
  color:var(--deep);
  font-size:.92rem;
  transition:all .2s ease;
}
.icon-btn:hover{color:var(--blue);border-color:var(--blue);background:var(--band);}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  align-items:center;justify-content:center;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--deep);
  font-size:1.05rem;
}

/* ============ 按钮 ============ */
.btn-main,
.btn-ghost{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:48px;
  padding:0 24px;
  border-radius:var(--r-btn);
  font-size:1rem;
  font-weight:600;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease, box-shadow .2s ease, background .2s ease, color .2s ease, border-color .2s ease;
  white-space:nowrap;
}
.btn-main{
  background:var(--blue);
  color:#fff;
  box-shadow:0 10px 22px rgba(27,100,240,.24);
}
.btn-main:hover{
  background:var(--blue-dark);
  color:#fff;
  transform:translateY(-1px);
  box-shadow:0 16px 30px rgba(27,100,240,.30);
}
.btn-main:active{transform:translateY(1px);box-shadow:0 6px 14px rgba(27,100,240,.24);}
.btn-ghost{
  background:#fff;
  color:var(--blue);
  border-color:rgba(27,100,240,.38);
  box-shadow:var(--sh-sm);
}
.btn-ghost:hover{
  background:var(--band);
  color:var(--blue-dark);
  border-color:var(--blue);
  transform:translateY(-1px);
}
.btn-ghost:active{transform:translateY(1px);}
.btn-sm{min-height:40px;padding:0 18px;font-size:.92rem;border-radius:11px;}
.btn-main:disabled,.btn-ghost:disabled{opacity:.5;transform:none;box-shadow:none;cursor:not-allowed;}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-weight:600;
  color:var(--blue);
}
.link-arrow i{transition:transform .2s ease;font-size:.85em;}
.link-arrow:hover i{transform:translateX(2px);}

/* ============ 面包屑 ============ */
.crumb-bar{
  padding:104px 0 0;
  background:linear-gradient(180deg,#EFF6FF 0%,var(--bg) 100%);
}
.crumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:.86rem;
  color:var(--muted);
}
.crumb a{color:var(--muted);}
.crumb a:hover{color:var(--blue);}
.crumb span.sep{opacity:.55;}
.crumb .current{color:var(--deep);font-weight:600;}

/* ============ 横向标签 ============ */
.tag-nav{
  background:linear-gradient(180deg,var(--bg) 0%,var(--bg) 100%);
  padding:20px 0 4px;
}
.tag-track{
  display:flex;
  gap:10px;
  overflow-x:auto;
  padding-bottom:8px;
  scrollbar-width:thin;
}
.tag-track::-webkit-scrollbar{height:6px;}
.tag-track::-webkit-scrollbar-thumb{background:var(--line);border-radius:999px;}
.tag-pill{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:44px;
  padding:0 18px;
  border-radius:999px;
  background:#fff;
  border:1px solid var(--line);
  color:var(--deep);
  font-size:.92rem;
  font-weight:600;
  box-shadow:var(--sh-sm);
  transition:all .2s ease;
}
.tag-pill i{color:var(--teal);font-size:.9rem;}
.tag-pill:hover{border-color:var(--blue);color:var(--blue);transform:translateY(-1px);}
.tag-pill.on{background:var(--blue);border-color:var(--blue);color:#fff;box-shadow:0 10px 22px rgba(27,100,240,.24);}
.tag-pill.on i{color:#fff;}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;
  overflow:hidden;
  padding:34px 0 64px;
  background:
    radial-gradient(900px 420px at 82% -10%, rgba(27,100,240,.12), transparent 62%),
    radial-gradient(620px 340px at -6% 100%, rgba(18,184,166,.12), transparent 66%),
    var(--bg);
}
.cat-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url(/assets/images/backpic/back-2.png);
  background-size:cover;
  background-position:center;
  opacity:.16;
  pointer-events:none;
}
.cat-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(100deg,rgba(245,248,252,.94) 0%,rgba(245,248,252,.72) 46%,rgba(245,248,252,.38) 100%);
  pointer-events:none;
}
.cat-hero .wrap{position:relative;z-index:2;}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:999px;
  background:rgba(27,100,240,.10);
  color:var(--blue);
  font-size:.82rem;
  font-weight:700;
  letter-spacing:.06em;
}
.cat-hero h1{
  margin:18px 0 0;
  max-width:860px;
  font-size:clamp(2rem,4.2vw,3rem);
  font-weight:800;
  line-height:1.2;
}
.cat-hero .lead{
  margin-top:18px;
  max-width:760px;
  font-size:1.05rem;
  color:var(--muted);
  line-height:1.9;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:28px;
}
.hero-badges{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  margin-top:28px;
}
.hero-badge{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:8px 14px;
  border-radius:999px;
  background:rgba(255,255,255,.86);
  border:1px solid var(--line);
  font-size:.86rem;
  color:var(--deep);
  font-weight:600;
  box-shadow:var(--sh-sm);
}
.hero-badge i{color:var(--teal);}

/* ============ 通用板块 ============ */
.section{padding:72px 0;}
.section-tight{padding:48px 0;}
.section-head{max-width:760px;margin-bottom:36px;}
.section-head h2{
  font-size:clamp(1.6rem,2.8vw,2.2rem);
  font-weight:800;
}
.section-head p{
  margin-top:14px;
  color:var(--muted);
  line-height:1.9;
}
.section-kicker{
  display:inline-block;
  font-size:.78rem;
  font-weight:800;
  letter-spacing:.12em;
  text-transform:uppercase;
  color:var(--teal);
  margin-bottom:10px;
}

/* ============ 交错图文 ============ */
.zig{
  align-items:center;
  padding:38px 0;
}
.zig + .zig{border-top:1px dashed var(--line);}
.zig-media{
  position:relative;
  margin:0;
  border-radius:var(--r-media);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh-md);
  aspect-ratio:16/10;
  background:var(--band);
}
.zig-media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .5s ease;
}
.zig:hover .zig-media img{transform:scale(1.03);}
.zig-media figcaption{
  position:absolute;
  left:16px;bottom:16px;
  padding:6px 12px;
  border-radius:999px;
  background:rgba(11,53,80,.78);
  color:#fff;
  font-size:.78rem;
  font-weight:600;
  backdrop-filter:blur(6px);
}
.zig-num{
  display:inline-block;
  font-size:.8rem;
  font-weight:800;
  letter-spacing:.1em;
  color:var(--orange);
  margin-bottom:12px;
}
.zig-body h3{
  font-size:clamp(1.3rem,2.2vw,1.6rem);
  font-weight:800;
}
.zig-body p{
  margin-top:14px;
  color:var(--muted);
  line-height:1.95;
}
.zig-list{
  margin-top:20px;
  display:grid;
  gap:10px;
}
.zig-list li{
  display:flex;
  gap:10px;
  align-items:flex-start;
  font-size:.95rem;
  color:var(--deep);
  line-height:1.7;
}
.zig-list i{
  color:var(--blue);
  font-size:.85rem;
  margin-top:7px;
  flex-shrink:0;
}

/* ============ 核验清单表 ============ */
.check-panel{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  box-shadow:var(--sh-md);
  padding:8px;
}
.table-scroll{overflow-x:auto;border-radius:14px;}
.check-table{
  width:100%;
  min-width:640px;
  border-collapse:separate;
  border-spacing:0;
  margin:0;
  font-size:.94rem;
}
.check-table thead th{
  background:var(--band);
  color:var(--deep);
  font-weight:700;
  font-size:.9rem;
  padding:16px 18px;
  border-bottom:1px solid var(--line);
  white-space:nowrap;
}
.check-table thead th:first-child{border-top-left-radius:12px;}
.check-table thead th:last-child{border-top-right-radius:12px;}
.check-table tbody td{
  padding:16px 18px;
  border-bottom:1px solid var(--line);
  color:var(--muted);
  vertical-align:top;
}
.check-table tbody td:first-child{
  color:var(--deep);
  font-weight:700;
  white-space:nowrap;
}
.check-table tbody tr:nth-child(even) td{background:#F8FBFF;}
.check-table tbody tr:last-child td{border-bottom:none;}
.pill-ok,
.pill-warn{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:4px 10px;
  border-radius:999px;
  font-size:.78rem;
  font-weight:700;
  white-space:nowrap;
}
.pill-ok{background:rgba(21,159,115,.12);color:var(--ok);}
.pill-warn{background:rgba(255,122,69,.14);color:#C4521F;}

/* ============ 提示卡 ============ */
.notice{
  display:flex;
  gap:16px;
  padding:22px 24px;
  border-radius:var(--r-card);
  background:linear-gradient(120deg,#F0F7FF,#F6FCFB);
  border:1px solid var(--line);
  box-shadow:var(--sh-sm);
  margin-top:26px;
}
.notice i{
  color:var(--blue);
  font-size:1.35rem;
  margin-top:4px;
  flex-shrink:0;
}
.notice h3{font-size:1.05rem;font-weight:800;}
.notice p{margin-top:8px;color:var(--muted);font-size:.95rem;line-height:1.85;}

/* ============ FAQ ============ */
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-left:3px solid transparent;
  border-radius:14px;
  padding:0 22px;
  box-shadow:var(--sh-sm);
  margin-bottom:12px;
  transition:border-color .2s ease, box-shadow .2s ease;
}
.faq-item:hover{box-shadow:var(--sh-md);}
.faq-item[open]{border-left-color:var(--blue);box-shadow:var(--sh-md);}
.faq-item summary{
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  min-height:56px;
  padding:16px 0;
  cursor:pointer;
  font-weight:700;
  color:var(--deep);
  font-size:1rem;
  list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-arrow{
  width:30px;height:30px;
  display:inline-flex;
  align-items:center;justify-content:center;
  border-radius:50%;
  background:var(--band);
  color:var(--blue);
  font-size:.75rem;
  flex-shrink:0;
  transition:transform .25s ease, background .25s ease;
}
.faq-item[open] .faq-arrow{transform:rotate(180deg);background:var(--blue);color:#fff;}
.faq-item .faq-answer{
  padding:0 0 20px;
  color:var(--muted);
  font-size:.95rem;
  line-height:1.9;
}

/* ============ CTA 卡 ============ */
.cta-card{
  position:relative;
  overflow:hidden;
  border-radius:26px;
  padding:52px 44px;
  background:linear-gradient(120deg,#0B3550 0%,#144E7A 58%,#1B64F0 100%);
  color:#fff;
  box-shadow:var(--sh-lg);
}
.cta-card::after{
  content:"";
  position:absolute;
  right:-90px;top:-90px;
  width:320px;height:320px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.18);
  pointer-events:none;
}
.cta-card::before{
  content:"";
  position:absolute;
  right:-40px;bottom:-140px;
  width:340px;height:340px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(18,184,166,.34),transparent 68%);
  pointer-events:none;
}
.cta-card h2{
  color:#fff;
  font-size:clamp(1.6rem,2.8vw,2.1rem);
  font-weight:800;
  max-width:640px;
}
.cta-card p{
  margin-top:16px;
  max-width:640px;
  color:rgba(255,255,255,.82);
  line-height:1.9;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:28px;
  position:relative;
  z-index:2;
}
.cta-card .btn-ghost{
  background:rgba(255,255,255,.10);
  border-color:rgba(255,255,255,.55);
  color:#fff;
  box-shadow:none;
}
.cta-card .btn-ghost:hover{background:rgba(255,255,255,.20);color:#fff;border-color:#fff;}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--deep);
  color:rgba(255,255,255,.78);
  padding:64px 0 28px;
  margin-top:80px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  font-weight:800;
  font-size:1.05rem;
  color:#fff;
  margin-bottom:16px;
}
.footer-brand .logo-mark{box-shadow:none;}
.site-footer p{
  font-size:.92rem;
  line-height:1.9;
  color:rgba(255,255,255,.66);
}
.footer-title{
  color:#fff;
  font-weight:700;
  font-size:.98rem;
  margin-bottom:16px;
}
.footer-list li{
  margin-bottom:10px;
  font-size:.92rem;
  color:rgba(255,255,255,.66);
}
.footer-list a{
  color:rgba(255,255,255,.72);
  display:inline-flex;
  align-items:center;
  min-height:28px;
}
.footer-list a:hover{color:var(--teal);}
.footer-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  justify-content:space-between;
  font-size:.84rem;
  color:rgba(255,255,255,.55);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .wrap{padding:0 18px;}
  .section{padding:64px 0;}
  .footer-grid{gap:32px;}
}
@media (max-width:991px){
  .nav-links{
    position:absolute;
    top:calc(100% + 12px);
    left:0;right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:4px;
    padding:12px;
    background:#fff;
    border:1px solid var(--line);
    border-radius:18px;
    box-shadow:var(--sh-lg);
    margin-left:0;
  }
  .nav-links.open{display:flex;}
  .nav-link{
    height:48px;
    padding:0 16px;
    justify-content:flex-start;
    border-radius:12px;
    width:100%;
  }
  .nav-link::after{display:none;}
  .nav-link.active{background:rgba(27,100,240,.10);}
  .nav-toggle{display:inline-flex;}
  .nav-actions .icon-btn{display:none;}
  .crumb-bar{padding-top:96px;}
  .section{padding:56px 0;}
  .zig{padding:28px 0;}
  .cta-card{padding:40px 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  body{line-height:1.85;}
  .nav-glass{min-height:64px;padding:8px 14px;gap:10px;}
  .nav-logo{font-size:.98rem;}
  .logo-mark{width:34px;height:34px;border-radius:10px;}
  .nav-actions .btn-main{padding:0 14px;font-size:.86rem;min-height:38px;}
  .cat-hero h1{font-size:clamp(1.6rem,6vw,2.1rem);}
  .cat-hero .lead{font-size:.98rem;}
  .hero-actions .btn-main,.hero-actions .btn-ghost{flex:1 1 100%;}
  .section{padding:48px 0;}
  .section-head{margin-bottom:26px;}
  .zig-media{aspect-ratio:16/11;}
  .cta-card{padding:34px 22px;border-radius:20px;}
  .cta-actions .btn-main,.cta-actions .btn-ghost{flex:1 1 100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
  .site-footer{margin-top:56px;padding-top:48px;}
}
@media (max-width:520px){
  .wrap{padding:0 16px;}
  .hero-badge{font-size:.8rem;padding:7px 12px;}
  .tag-pill{height:42px;padding:0 14px;font-size:.86rem;}
  .notice{padding:18px;flex-direction:column;gap:10px;}
}