/* roulang page: index */
:root{
  --bs-primary:#1E56D6;
  --bs-primary-rgb:30,86,214;
  --bs-body-color:#101828;
  --bs-body-bg:#F5F7FB;
  --bs-border-color:#E6EAF2;
  --bs-border-radius:14px;
  --bs-border-radius-lg:18px;
  --bs-link-color:#1E56D6;
  --bs-link-hover-color:#1643AA;
  --brand:#1E56D6;
  --brand-dark:#1643AA;
  --brand-light:#EAF0FF;
  --brand-10:rgba(30,86,214,.10);
  --coral:#FF7A45;
  --coral-dark:#E85F2A;
  --teal:#12B39A;
  --bg:#F5F7FB;
  --card:#FFFFFF;
  --bg-sub:#FAFBFD;
  --text:#101828;
  --text-2:#5A6478;
  --text-3:#8A93A6;
  --line:#E6EAF2;
  --line-card:#E9EDF5;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:12px;
  --r-pill:999px;
  --shadow:0 8px 24px rgba(16,24,40,.06);
  --shadow-hover:0 10px 30px rgba(16,24,40,.10);
  --nav-h:72px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  padding-top:var(--nav-h);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
p a,.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:-.3px;}
h1{font-size:clamp(28px,4vw,42px);line-height:1.25;font-weight:800;}
h2{font-size:clamp(22px,2.4vw,30px);line-height:1.3;font-weight:700;}
h3{font-size:20px;line-height:1.4;font-weight:700;}
h4{font-size:17px;line-height:1.5;font-weight:600;}
p{margin:0 0 20px;}
p:last-child{margin-bottom:0;}
ul,ol{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;width:100%;}
.section{padding:80px 0;}
.section-sub{background:var(--bg-sub);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.section-head .lead{color:var(--text-2);font-size:15px;line-height:1.8;margin-top:10px;max-width:640px;}
.section-head .head-link{font-size:14px;font-weight:600;color:var(--brand);white-space:nowrap;display:inline-flex;align-items:center;gap:6px;}
.section-head .head-link:hover{color:var(--brand-dark);}
.section-head .head-link i{font-size:12px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--brand);background:var(--brand-light);border-radius:var(--r-pill);padding:6px 14px;margin-bottom:14px;}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);}

/* ---------- 导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1040;
  background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 4px 16px rgba(16,24,40,.06);}
.nav-inner{height:var(--nav-h);display:flex;align-items:center;gap:20px;}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;letter-spacing:-.5px;font-size:20px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:10px;background:var(--brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-size:19px;font-weight:800;
  box-shadow:0 6px 14px rgba(30,86,214,.28);
}
.brand-text{color:var(--text);font-weight:800;letter-spacing:-.5px;}
.brand-text b{color:var(--brand);font-weight:800;}
.nav-channels{display:flex;align-items:center;gap:6px;margin-left:12px;flex:1;}
.nav-link-chip{
  height:40px;display:inline-flex;align-items:center;padding:0 16px;border-radius:var(--r-pill);
  font-size:14.5px;font-weight:600;color:var(--text-2);white-space:nowrap;
}
.nav-link-chip:hover{background:var(--brand-light);color:var(--brand);}
.nav-link-chip.active{background:var(--brand);color:#fff;}
.nav-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.icon-btn{
  width:40px;height:40px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--text-2);
  display:inline-flex;align-items:center;justify-content:center;font-size:15px;
}
.icon-btn:hover{border-color:#D8E1F5;color:var(--brand);background:var(--brand-light);}
.nav-toggle{display:none;}

/* ---------- 按钮 ---------- */
.btn{font-weight:700;border-radius:var(--r-pill);transition:all .2s ease;border-width:1px;}
.btn-brand{background:var(--brand);color:#fff;border-color:var(--brand);height:48px;padding:0 28px;display:inline-flex;align-items:center;justify-content:center;font-size:15.5px;}
.btn-brand:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;box-shadow:0 10px 20px rgba(30,86,214,.24);}
.btn-brand:active{transform:translateY(1px);}
.btn-ghost{background:#fff;color:var(--brand);border:1px solid var(--brand);height:48px;padding:0 28px;display:inline-flex;align-items:center;justify-content:center;font-size:15.5px;}
.btn-ghost:hover{background:var(--brand-light);color:var(--brand-dark);border-color:var(--brand-dark);}
.btn-coral{background:var(--coral);color:#fff;border-color:var(--coral);height:48px;padding:0 28px;display:inline-flex;align-items:center;justify-content:center;font-size:15.5px;}
.btn-coral:hover{background:var(--coral-dark);border-color:var(--coral-dark);color:#fff;box-shadow:0 10px 20px rgba(232,95,42,.26);}
.btn-sm-card{height:36px;padding:0 16px;border-radius:var(--r-sm);font-size:13.5px;font-weight:700;display:inline-flex;align-items:center;gap:6px;background:var(--brand-light);color:var(--brand);border:1px solid transparent;}
.btn-sm-card:hover{background:var(--brand);color:#fff;}
.btn[disabled],.btn:disabled{opacity:.5;pointer-events:none;}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background:#fff;
  border-bottom:1px solid var(--line);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  opacity:.10;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(30,86,214,.04),rgba(255,255,255,0) 55%);
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:center;padding:72px 0 76px;min-height:calc(92vh - var(--nav-h));}
.hero h1{margin-bottom:18px;}
.hero-sub{font-size:17px;line-height:1.85;color:var(--text-2);max-width:460px;margin-bottom:28px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:30px;}
.hero-badges{display:flex;flex-wrap:wrap;gap:20px;}
.hero-badge{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:500;color:var(--text-2);}
.hero-badge::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--teal);flex-shrink:0;}
.hero-stack{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;align-items:end;}
.hero-card{
  position:relative;border-radius:var(--r-md);overflow:hidden;background:#EDF1F8;
  aspect-ratio:9/16;box-shadow:var(--shadow);border:1px solid var(--line-card);
  transition:transform .25s ease,box-shadow .25s ease;
}
.hero-card img{width:100%;height:100%;object-fit:cover;}
.hero-card:nth-child(1),
.hero-card:nth-child(3){transform:translateY(24px);opacity:.92;}
.hero-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.hero-card:nth-child(1):hover,
.hero-card:nth-child(3):hover{transform:translateY(18px);}
.hero-card .dur{
  position:absolute;top:10px;left:10px;background:rgba(16,24,40,.72);color:#fff;
  font-size:12px;font-weight:600;border-radius:var(--r-pill);padding:3px 10px;backdrop-filter:blur(2px);
}
.hero-card .play{
  position:absolute;right:10px;bottom:10px;width:38px;height:38px;border-radius:50%;background:#fff;color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:13px;box-shadow:0 6px 16px rgba(16,24,40,.18);
}
.hero-card .cap{
  position:absolute;left:0;right:0;bottom:0;padding:14px 12px 12px;color:#fff;font-size:13px;font-weight:600;
  background:linear-gradient(180deg,rgba(16,24,40,0),rgba(16,24,40,.78));line-height:1.5;
}

/* ---------- 横滑卡片 ---------- */
.scroll-row{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;
}
.clip-card{
  background:#fff;border:1px solid var(--line-card);border-radius:var(--r-lg);overflow:hidden;
  box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  display:flex;flex-direction:column;
}
.clip-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#D8E1F5;}
.clip-cover{position:relative;aspect-ratio:3/4;background:#EDF1F8;overflow:hidden;}
.clip-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.clip-card:hover .clip-cover img{transform:scale(1.04);}
.clip-cover .dur{
  position:absolute;top:10px;left:10px;background:rgba(16,24,40,.72);color:#fff;font-size:12px;font-weight:600;
  padding:3px 10px;border-radius:var(--r-pill);
}
.clip-cover .hot{
  position:absolute;top:10px;right:10px;background:var(--coral);color:#fff;font-size:12px;font-weight:700;
  padding:3px 10px;border-radius:var(--r-pill);
}
.clip-cover .play-mid{
  position:absolute;top:50%;left:50%;transform:translate(-50%,-50%);width:52px;height:52px;border-radius:50%;
  background:rgba(255,255,255,.92);color:var(--brand);display:flex;align-items:center;justify-content:center;
  font-size:16px;box-shadow:0 8px 20px rgba(16,24,40,.2);opacity:0;transition:opacity .25s ease;
}
.clip-card:hover .clip-cover .play-mid{opacity:1;}
.clip-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:10px;flex:1;}
.clip-body h3{font-size:16.5px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;min-height:49px;}
.tag-cat{display:inline-flex;align-items:center;align-self:flex-start;font-size:12.5px;font-weight:600;color:var(--brand);background:var(--brand-light);border-radius:var(--r-pill);padding:3px 12px;}
.clip-meta{display:flex;align-items:center;gap:18px;font-size:13px;color:var(--text-3);font-weight:500;margin-top:auto;}
.clip-meta span{display:inline-flex;align-items:center;gap:6px;}

/* ---------- 种草清单 ---------- */
.list-num{display:flex;flex-direction:column;}
.list-num-item{
  display:flex;align-items:center;gap:20px;padding:22px 8px;border-bottom:1px dashed var(--line);
  transition:background-color .2s ease;border-radius:var(--r-sm);
}
.list-num-item:last-child{border-bottom:none;}
.list-num-item:hover{background:#fff;}
.list-num-index{
  position:relative;flex-shrink:0;width:56px;height:56px;display:flex;align-items:center;justify-content:center;
  font-size:22px;font-weight:800;color:var(--brand);
}
.list-num-index::before{
  content:"";position:absolute;inset:0;background:var(--brand-10);border-radius:50%;
}
.list-thumb{flex-shrink:0;width:96px;height:96px;border-radius:var(--r-sm);overflow:hidden;background:#EDF1F8;}
.list-thumb img{width:100%;height:100%;object-fit:cover;}
.list-info{flex:1;min-width:0;}
.list-info h3{font-size:17px;margin-bottom:6px;}
.list-info p{font-size:14px;color:var(--text-2);margin:0;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;}
.list-arrow{
  flex-shrink:0;width:44px;height:44px;border-radius:50%;border:1px solid var(--line);background:#fff;color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:14px;
}
.list-num-item:hover .list-arrow{background:var(--brand);border-color:var(--brand);color:#fff;}

/* ---------- CMS 列表 ---------- */
.cms-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.cms-card{
  background:#fff;border:1px solid var(--line-card);border-radius:var(--r-lg);box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;overflow:hidden;
}
.cms-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#D8E1F5;}
.cms-card.is-feature{grid-column:span 2;display:grid;grid-template-columns:1fr 1fr;}
.cms-link{display:flex;flex-direction:column;gap:12px;padding:26px 26px 24px;height:100%;}
.cms-thumb{background:#EDF1F8;overflow:hidden;}
.cms-thumb img{width:100%;height:100%;object-fit:cover;min-height:220px;}
.cms-card h3{font-size:18px;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.cms-card.is-feature h3{font-size:22px;}
.cms-sum{font-size:14.5px;color:var(--text-2);line-height:1.8;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;margin:0;}
.cms-meta{display:flex;align-items:center;gap:14px;margin-top:auto;font-size:13px;color:var(--text-3);font-weight:500;padding-top:8px;}
.cms-meta time{display:inline-flex;align-items:center;gap:6px;}
.cms-empty{
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-lg);padding:56px 24px;text-align:center;
}
.cms-empty .empty-ico{
  width:88px;height:88px;margin:0 auto 18px;border-radius:24px;background:var(--brand-light);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:32px;
}
.cms-empty p{color:var(--text-2);margin-bottom:20px;}

/* ---------- 口碑 ---------- */
.voice-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.voice-card{
  background:var(--bg-sub);border:1px solid var(--line-card);border-radius:var(--r-lg);padding:26px;
  display:flex;flex-direction:column;gap:14px;
}
.voice-card:nth-child(2){margin-top:26px;}
.voice-top{display:flex;align-items:center;gap:14px;}
.avatar{
  width:48px;height:48px;border-radius:50%;background:var(--brand-10);color:var(--brand);font-weight:800;
  display:flex;align-items:center;justify-content:center;font-size:17px;flex-shrink:0;
}
.voice-name{font-weight:700;font-size:15.5px;}
.voice-role{font-size:13px;color:var(--text-3);font-weight:500;}
.stars{display:flex;gap:4px;color:var(--teal);font-size:13px;}
.voice-text{font-size:15px;color:var(--text-2);line-height:1.85;margin:0;}
.voice-track{
  display:flex;gap:16px;overflow-x:auto;padding:8px 4px 20px;scroll-snap-type:x mandatory;
  -ms-overflow-style:none;scrollbar-width:none;cursor:grab;
}
.voice-track::-webkit-scrollbar{display:none;}
.voice-track:active{cursor:grabbing;}
.voice-pill{
  flex:0 0 auto;scroll-snap-align:start;background:#fff;border:1px solid var(--line-card);border-radius:var(--r-pill);
  padding:12px 20px;font-size:14px;color:var(--text-2);box-shadow:var(--shadow);white-space:nowrap;
}
.voice-pill b{color:var(--text);font-weight:700;}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:24px;background:var(--brand);color:#fff;
  padding:44px 48px;display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:0 18px 40px rgba(30,86,214,.24);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(115deg,rgba(255,255,255,.06) 0 18px,rgba(255,255,255,0) 18px 36px);
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{color:#fff;margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.86);margin:0;font-size:15px;}
.cta-right{display:flex;align-items:center;gap:22px;flex-shrink:0;}
.qr-box{
  width:108px;height:108px;border-radius:16px;background:#fff;color:var(--brand);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;font-size:11px;font-weight:600;
  text-align:center;line-height:1.4;padding:8px;
}
.qr-box i{font-size:30px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto;}
.accordion-item{
  background:#fff;border:1px solid var(--line-card);border-radius:var(--r-md) !important;margin-bottom:14px;overflow:hidden;
  box-shadow:var(--shadow);
}
.accordion-button{
  font-size:16px;font-weight:600;color:var(--text);background:#fff;padding:20px 22px;box-shadow:none !important;
  border-radius:var(--r-md) !important;
}
.accordion-button:not(.collapsed){color:var(--brand);background:var(--bg-sub);}
.accordion-button:focus{box-shadow:none;border-color:transparent;}
.accordion-button::after{
  background-image:none;content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;font-size:13px;
  width:auto;height:auto;color:var(--text-3);transition:transform .25s ease;margin-left:auto;
}
.accordion-button:not(.collapsed)::after{transform:rotate(180deg);color:var(--brand);}
.accordion-body{padding:20px 22px;color:var(--text-2);font-size:15px;line-height:1.9;background:var(--bg-sub);}

/* ---------- 表单 ---------- */
.search-form{position:relative;display:flex;gap:8px;max-width:520px;}
.form-control{
  height:48px;border-radius:var(--r-sm);border:1px solid var(--line);font-size:15px;padding:0 18px;color:var(--text);
  background:#fff;
}
.form-control::placeholder{color:var(--text-3);}
.form-control:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-10);}

/* ---------- 页脚 ---------- */
.site-footer{background:#fff;border-top:1px solid var(--line);padding-top:64px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:44px;}
.footer-brand{font-weight:800;letter-spacing:-.5px;font-size:20px;display:inline-flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-desc{font-size:14px;color:var(--text-2);line-height:1.85;max-width:320px;}
.footer-title{font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:var(--text-2);}
.footer-links a:hover{color:var(--brand);}
.footer-qr{
  width:96px;height:96px;border-radius:14px;border:1px solid var(--line);background:var(--bg-sub);color:var(--brand);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;font-size:11px;font-weight:600;
  text-align:center;line-height:1.4;padding:8px;margin-bottom:12px;
}
.footer-qr i{font-size:26px;}
.footer-note{font-size:13px;color:var(--text-3);}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0;display:flex;flex-wrap:wrap;gap:12px;
  align-items:center;justify-content:space-between;font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3);}
.footer-bottom a:hover{color:var(--brand);}
.footer-bottom .dot{margin:0 8px;color:var(--line);}

/* ---------- 移动端底部 CTA ---------- */
.mobile-cta{
  position:fixed;left:0;right:0;bottom:0;z-index:1035;display:none;
  background:#fff;border-top:1px solid var(--line);padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  box-shadow:0 -6px 20px rgba(16,24,40,.08);align-items:center;justify-content:space-between;gap:12px;
}
.mobile-cta span{font-size:14px;font-weight:700;color:var(--text);}
.mobile-cta .btn{height:44px;padding:0 20px;font-size:14px;}

/* ---------- 抽屉 ---------- */
.drawer-mask{
  position:fixed;inset:0;background:rgba(16,24,40,.42);opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:1050;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:360px;background:#fff;z-index:1055;
  transform:translateX(102%);transition:transform .28s ease;border-radius:20px 0 0 20px;
  padding:22px 20px calc(22px + env(safe-area-inset-bottom));display:flex;flex-direction:column;overflow-y:auto;
}
.drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-nav{display:flex;flex-direction:column;}
.drawer-nav a{
  padding:15px 4px;font-size:16px;font-weight:600;color:var(--text-2);border-bottom:1px solid var(--line);
}
.drawer-nav a.active{color:var(--brand);}
.drawer-nav a:hover{color:var(--brand);}
.drawer-foot{margin-top:auto;padding-top:22px;}
.drawer-foot .btn{width:100%;}
body.drawer-open{overflow:hidden;}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .nav-channels{margin-left:0;}
  .nav-link-chip{padding:0 12px;font-size:14px;}
}
@media (max-width:991.98px){
  .nav-channels{display:none;}
  .nav-actions .nav-cta-text{display:none;}
  .nav-toggle{display:inline-flex;}
  .hero-inner{grid-template-columns:1fr;gap:34px;padding:48px 0 56px;min-height:auto;}
  .hero-stack{display:flex;overflow-x:auto;gap:16px;padding:6px 2px 20px;scroll-snap-type:x mandatory;-ms-overflow-style:none;scrollbar-width:none;}
  .hero-stack::-webkit-scrollbar{display:none;}
  .hero-card{flex:0 0 62%;scroll-snap-align:start;transform:none !important;opacity:1 !important;}
  .hero-card:hover{transform:none;}
  .scroll-row{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;}
  .cms-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .cms-card.is-feature{grid-column:span 2;grid-template-columns:1fr;}
  .voice-grid{grid-template-columns:1fr;}
  .voice-card:nth-child(2){margin-top:0;}
  .section{padding:56px 0;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:36px 30px;}
  .cta-right{width:100%;justify-content:space-between;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .mobile-cta{display:flex;}
  body{padding-bottom:76px;}
}
@media (max-width:767.98px){
  .scroll-row{display:flex;overflow-x:auto;gap:16px;padding-bottom:16px;scroll-snap-type:x mandatory;-ms-overflow-style:none;scrollbar-width:none;}
  .scroll-row::-webkit-scrollbar{display:none;}
  .clip-card{flex:0 0 74%;scroll-snap-align:start;}
  .cms-grid{grid-template-columns:1fr;}
  .cms-card.is-feature{grid-column:span 1;}
  .container{padding-left:16px;padding-right:16px;}
  .section{padding:40px 0;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px;}
  .list-num-item{gap:14px;padding:18px 4px;}
  .list-thumb{width:72px;height:72px;}
  .list-num-index{width:44px;height:44px;font-size:19px;}
  .list-info p{white-space:normal;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:575.98px){
  .hero-card{flex:0 0 78%;}
  .clip-card{flex:0 0 82%;}
  .hero-cta .btn{width:100%;}
  .cta-right{flex-direction:column;align-items:flex-start;gap:16px;}
  .qr-box{width:92px;height:92px;}
}

/* roulang page: article */
:root{
  --brand:#1E56D6;
  --brand-dark:#1643AA;
  --brand-soft:#EAF0FF;
  --brand-10:rgba(30,86,214,.10);
  --coral:#FF7A45;
  --coral-dark:#E85F2A;
  --teal:#12B39A;
  --bg:#F5F7FB;
  --card:#FFFFFF;
  --sub:#FAFBFD;
  --text:#101828;
  --text-2:#5A6478;
  --text-3:#8A93A6;
  --line:#E6EAF2;
  --line-soft:#E9EDF5;
  --line-hover:#D8E1F5;
  --radius-lg:18px;
  --radius-md:14px;
  --radius-sm:12px;
  --shadow:0 8px 24px rgba(16,24,40,.06);
  --shadow-hover:0 12px 28px rgba(16,24,40,.10);
  --header-h:72px;
  --bs-primary:#1E56D6;
  --bs-body-color:#101828;
  --bs-body-bg:#F5F7FB;
  --bs-border-radius:14px;
  --bs-border-color:#E6EAF2;
  --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  padding-top:var(--header-h);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}
.container{
  width:100%;
  max-width:1200px;
  margin:0 auto;
  padding:0 24px;
}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--text);letter-spacing:-.2px;}
.section{padding:80px 0;}
.section-sm{padding:56px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;}
.section-title{font-size:clamp(22px,2.4vw,30px);line-height:1.3;font-weight:700;}
.section-sub{margin-top:10px;font-size:14px;color:var(--text-3);line-height:1.7;max-width:680px;}
.text-link{color:var(--brand);font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;transition:color .2s ease;}
.text-link:hover{color:var(--brand-dark);}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1040;
  background:#fff;border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 4px 16px rgba(16,24,40,.06);}
.header-inner{display:flex;align-items:center;gap:18px;height:var(--header-h);}
.brand{display:inline-flex;align-items:center;gap:10px;flex:none;}
.brand-mark{
  width:38px;height:38px;border-radius:10px;background:var(--brand);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:14px;font-weight:800;letter-spacing:-.5px;
}
.brand-text{font-size:20px;font-weight:800;letter-spacing:-.5px;color:var(--text);}
.brand-text b{color:var(--brand);font-weight:800;}
.nav-channels{display:flex;align-items:center;gap:4px;margin-left:8px;flex:1 1 auto;}
.nav-link-chip{
  height:40px;display:inline-flex;align-items:center;padding:0 16px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--text-2);white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.nav-link-chip:hover{background:var(--brand-soft);color:var(--brand);}
.nav-link-chip.active{background:var(--brand);color:#fff;}
.header-actions{display:flex;align-items:center;gap:10px;flex:none;}
.icon-btn{
  width:42px;height:42px;border-radius:999px;border:1px solid var(--line);background:#fff;
  color:var(--text-2);display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:.2s ease;
}
.icon-btn:hover{background:var(--brand-soft);border-color:var(--line-hover);color:var(--brand);}
.nav-burger{
  width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;
  color:var(--text);display:inline-flex;align-items:center;justify-content:center;cursor:pointer;
}
.nav-burger:hover{background:var(--brand-soft);color:var(--brand);}
.btn{
  border-radius:999px;font-weight:700;border:1px solid transparent;
  transition:background .2s ease,color .2s ease,box-shadow .2s ease,transform .12s ease,border-color .2s ease;
}
.btn:active{transform:translateY(1px);}
.btn-pill{height:48px;padding:0 28px;display:inline-flex;align-items:center;justify-content:center;font-size:15px;}
.btn-sm-pill{height:40px;padding:0 20px;font-size:14px;}
.btn-primary{background:var(--brand);color:#fff;}
.btn-primary:hover{background:var(--brand-dark);color:#fff;box-shadow:0 10px 20px rgba(30,86,214,.24);}
.btn-outline-brand{background:#fff;border-color:var(--brand);color:var(--brand);}
.btn-outline-brand:hover{background:var(--brand-soft);color:var(--brand-dark);border-color:var(--brand);}
.btn-coral{background:var(--coral);color:#fff;}
.btn-coral:hover{background:var(--coral-dark);color:#fff;}
.btn:disabled,.btn.disabled{opacity:.55;cursor:not-allowed;box-shadow:none;}

/* 搜索面板 */
.search-panel{
  display:none;border-top:1px solid var(--line);background:#fff;
  padding:16px 0 20px;
}
.search-panel.open{display:block;}
.search-form{display:flex;gap:10px;max-width:640px;}
.form-control{
  height:48px;border-radius:12px;border:1px solid var(--line);font-size:15px;
  padding:0 16px;background:#fff;color:var(--text);
}
.form-control::placeholder{color:var(--text-3);}
.form-control:focus{border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-10);}
.search-form .btn{height:48px;padding:0 24px;flex:none;}

/* 移动抽屉 */
.drawer-mask{
  position:fixed;inset:0;background:rgba(16,24,40,.42);z-index:1050;
  opacity:0;visibility:hidden;transition:.25s ease;
}
.drawer-mask.open{opacity:1;visibility:visible;}
.nav-drawer{
  position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:360px;background:#fff;z-index:1060;
  border-radius:20px 0 0 20px;transform:translateX(100%);transition:transform .28s ease;
  display:flex;flex-direction:column;padding:22px 20px 24px;overflow-y:auto;
  box-shadow:-8px 0 30px rgba(16,24,40,.14);
}
.nav-drawer.open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px;}
.drawer-title{font-size:15px;font-weight:700;color:var(--text-2);}
.drawer-close{
  width:38px;height:38px;border-radius:12px;border:1px solid var(--line);background:#fff;
  color:var(--text-2);cursor:pointer;display:inline-flex;align-items:center;justify-content:center;
}
.drawer-close:hover{background:var(--brand-soft);color:var(--brand);}
.drawer-links{display:flex;flex-direction:column;gap:6px;}
.drawer-links a{
  padding:13px 14px;border-radius:12px;font-size:15px;font-weight:600;color:var(--text-2);
  transition:.2s ease;
}
.drawer-links a:hover{background:var(--brand-soft);color:var(--brand);}
.drawer-links a.active{background:var(--brand);color:#fff;}
.drawer-divider{height:1px;background:var(--line);margin:18px 0;}
.drawer-foot{margin-top:auto;padding-top:18px;}

/* ---------- 面包屑 ---------- */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line);}
.crumb{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;color:var(--text-3);padding:14px 0;
}
.crumb a{color:var(--text-3);transition:color .2s ease;}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:var(--brand);opacity:.7;}
.crumb .current{color:var(--brand);font-weight:600;}

/* ---------- 文章头 ---------- */
.article-hero{
  background:#fff;border-bottom:1px solid var(--line);
  padding:44px 0 40px;
  position:relative;overflow:hidden;
}
.article-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(180deg,rgba(30,86,214,.04),rgba(30,86,214,0) 70%);
}
.article-hero .container{position:relative;z-index:1;}
.article-kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--brand);background:var(--brand-soft);border-radius:999px;padding:6px 14px;
  margin-bottom:18px;
}
.article-title{
  font-size:clamp(28px,4vw,42px);line-height:1.25;font-weight:800;letter-spacing:-.5px;
  max-width:920px;
}
.article-meta{
  display:flex;align-items:center;flex-wrap:wrap;gap:14px;margin-top:22px;
  font-size:13px;color:var(--text-3);font-weight:500;
}
.badge-cat{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);font-size:13px;font-weight:600;
}
.meta-item{display:inline-flex;align-items:center;gap:6px;}
.meta-item i{color:var(--text-3);font-size:12px;}

/* ---------- 布局 ---------- */
.layout{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:40px;
  padding:56px 0 0;align-items:start;
}
.main-col{min-width:0;}
.article-card{
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--radius-lg);
  box-shadow:var(--shadow);padding:40px 44px;
}
.article-body{max-width:800px;}
.article-body p{margin:0 0 20px;font-size:16px;line-height:1.9;color:var(--text-2);}
.article-body h2{
  font-size:clamp(22px,2.4vw,30px);line-height:1.3;font-weight:700;color:var(--text);
  margin:40px 0 16px;
}
.article-body h3{font-size:20px;line-height:1.4;font-weight:700;margin:32px 0 14px;color:var(--text);}
.article-body h4{font-size:17px;line-height:1.5;font-weight:600;margin:26px 0 12px;color:var(--text);}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:22px;color:var(--text-2);}
.article-body li{line-height:1.8;margin-bottom:8px;}
.article-body a{color:var(--brand);text-decoration:underline;text-underline-offset:3px;}
.article-body a:hover{color:var(--brand-dark);}
.article-body blockquote{
  margin:26px 0;padding:16px 20px;border-left:4px solid var(--brand);
  background:var(--brand-soft);border-radius:0 14px 14px 0;color:var(--text-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:14px;margin:24px 0 10px;width:100%;height:auto;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--text-3);text-align:center;}
.article-body pre{
  background:#F3F5F9;border:1px solid var(--line);border-radius:12px;
  padding:16px 18px;overflow-x:auto;font-size:14px;line-height:1.7;color:var(--text-2);
  margin:0 0 20px;
}
.article-body code{
  background:#F3F5F9;border-radius:6px;padding:2px 6px;font-size:14px;color:var(--text-2);
}
.article-body pre code{background:none;padding:0;}
.article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0;}
.article-body table{width:100%;border-collapse:collapse;margin:0 0 22px;font-size:15px;}
.article-body th{
  background:rgba(30,86,214,.08);text-align:left;padding:12px 14px;
  font-weight:700;color:var(--text);border:0;
}
.article-body td{padding:12px 14px;border:0;border-top:1px solid var(--line);color:var(--text-2);}
.article-body tr:nth-child(even) td{background:var(--sub);}

.empty-state{
  text-align:center;padding:40px 16px 24px;
}
.empty-ico{
  width:76px;height:76px;border-radius:22px;background:var(--brand-soft);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;font-size:28px;margin-bottom:18px;
}
.empty-state h2{font-size:22px;margin-bottom:10px;}
.empty-state p{color:var(--text-3);font-size:15px;margin:0 0 22px;}
.empty-actions{display:flex;justify-content:center;gap:12px;flex-wrap:wrap;}

/* ---------- 侧栏 ---------- */
.side-col{position:sticky;top:calc(var(--header-h) + 24px);display:flex;flex-direction:column;gap:20px;}
.side-card{
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--radius-lg);
  box-shadow:var(--shadow);padding:22px 22px 20px;
}
.side-title{
  font-size:15px;font-weight:700;margin-bottom:16px;display:flex;align-items:center;gap:8px;
}
.side-title i{color:var(--brand);font-size:13px;}
.side-list{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:12px;}
.side-list li{display:flex;gap:10px;font-size:14px;color:var(--text-2);line-height:1.7;}
.side-list li span.num{
  flex:none;width:22px;height:22px;border-radius:8px;background:var(--brand-soft);color:var(--brand);
  font-size:12px;font-weight:700;display:inline-flex;align-items:center;justify-content:center;margin-top:2px;
}
.side-links{display:flex;flex-direction:column;gap:8px;}
.side-links a{
  display:flex;align-items:center;justify-content:space-between;gap:8px;
  padding:11px 14px;border-radius:12px;background:var(--sub);border:1px solid var(--line-soft);
  font-size:14px;font-weight:600;color:var(--text-2);transition:.2s ease;
}
.side-links a:hover{background:var(--brand-soft);border-color:var(--line-hover);color:var(--brand);transform:translateX(2px);}
.side-note{font-size:13px;color:var(--text-3);line-height:1.75;margin:14px 0 0;}

/* ---------- 相关推荐 ---------- */
.related{margin-top:56px;}
.related-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;}
.rec-card{
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--radius-lg);overflow:hidden;
  box-shadow:var(--shadow);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  display:flex;flex-direction:column;
}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-hover);}
.rec-thumb{aspect-ratio:16/9;background:#EDF1F8;overflow:hidden;}
.rec-thumb img{width:100%;height:100%;object-fit:cover;}
.rec-body{padding:16px 18px 18px;display:flex;flex-direction:column;gap:10px;flex:1;}
.rec-body h3{font-size:16px;line-height:1.5;font-weight:700;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.rec-meta{font-size:13px;color:var(--text-3);display:flex;align-items:center;gap:6px;margin-top:auto;}

.back-entry{display:flex;justify-content:center;margin:48px 0 0;}

/* ---------- CTA 条 ---------- */
.cta-band{
  margin:64px 0 0;background:var(--brand);border-radius:24px;padding:44px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:repeating-linear-gradient(135deg,rgba(255,255,255,.06) 0 12px,rgba(255,255,255,0) 12px 26px);
}
.cta-band > *{position:relative;z-index:1;}
.cta-text h2{color:#fff;font-size:clamp(20px,2.2vw,26px);line-height:1.35;font-weight:700;}
.cta-text p{color:rgba(255,255,255,.82);font-size:14px;margin:10px 0 0;line-height:1.7;}
.cta-actions{display:flex;align-items:center;gap:16px;flex:none;}
.qr-box{
  width:84px;height:84px;border-radius:16px;background:#fff;color:var(--brand);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:2px;font-size:11px;font-weight:600;
}
.qr-box i{font-size:24px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--radius-md);
  margin-bottom:14px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item.open{border-color:var(--line-hover);box-shadow:var(--shadow);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:600;color:var(--text);line-height:1.6;
}
.faq-q i{color:var(--brand);font-size:14px;transition:transform .25s ease;flex:none;}
.faq-item.open .faq-q i{transform:rotate(180deg);}
.faq-a{
  display:none;padding:0 22px 20px;background:var(--sub);
  font-size:15px;color:var(--text-2);line-height:1.85;
}
.faq-item.open .faq-a{display:block;}

/* ---------- 页脚 ---------- */
.site-footer{background:#fff;border-top:1px solid var(--line);margin-top:80px;}
.footer-grid{
  display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:32px;padding:56px 0 40px;
}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:14px;}
.footer-desc{font-size:14px;color:var(--text-3);line-height:1.8;margin:0;max-width:320px;}
.footer-title{font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{font-size:14px;color:var(--text-2);transition:color .2s ease;}
.footer-links a:hover{color:var(--brand);}
.footer-qr{
  display:inline-flex;align-items:center;gap:10px;padding:12px 16px;border-radius:14px;
  background:var(--brand-soft);color:var(--brand);font-size:13px;font-weight:600;margin-bottom:12px;
}
.footer-qr i{font-size:20px;}
.footer-note{font-size:13px;color:var(--text-3);line-height:1.75;margin:0;}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0 28px;display:flex;align-items:center;
  justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3);}
.footer-bottom a:hover{color:var(--brand);}
.footer-bottom .dot{margin:0 8px;opacity:.6;}

/* ---------- 移动端底部 CTA ---------- */
.mobile-cta-bar{
  position:fixed;left:0;right:0;bottom:0;z-index:1030;display:none;
  background:#fff;border-top:1px solid var(--line);
  padding:8px 16px calc(8px + env(safe-area-inset-bottom));
  align-items:center;gap:12px;box-shadow:0 -4px 16px rgba(16,24,40,.06);
}
.mobile-cta-bar .btn{flex:1;height:48px;font-size:15px;}

@media (max-width:1199.98px){
  .related-grid{grid-template-columns:repeat(3,minmax(0,1fr));}
}
@media (max-width:991.98px){
  .nav-channels,.header-actions .btn,.header-actions .icon-btn{display:none;}
  .nav-burger{display:inline-flex !important;}
  .layout{grid-template-columns:minmax(0,1fr);gap:32px;padding-top:40px;}
  .side-col{position:static;}
  .article-card{padding:30px 26px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:44px 0 32px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px 28px;}
  .cta-actions{width:100%;justify-content:space-between;}
  .mobile-cta-bar{display:flex;}
  .site-footer{padding-bottom:72px;}
}
@media (max-width:767.98px){
  .section{padding:56px 0;}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:16px;}
  .article-hero{padding:32px 0 28px;}
}
@media (max-width:575.98px){
  .container{padding:0 16px;}
  .section{padding:40px 0;}
  .article-card{padding:24px 18px;}
  .related-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:1fr;gap:24px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px;}
}

/* roulang page: category1 */
:root{
  --primary:#1E56D6;
  --primary-hover:#1643AA;
  --primary-soft:#EAF0FF;
  --primary-10:rgba(30,86,214,.10);
  --accent:#FF7A45;
  --accent-hover:#E85F2A;
  --teal:#12B39A;
  --bg:#F5F7FB;
  --surface:#FFFFFF;
  --surface-2:#FAFBFD;
  --placeholder:#EDF1F8;
  --text:#101828;
  --text-2:#5A6478;
  --text-3:#8A93A6;
  --border:#E6EAF2;
  --border-soft:#E9EDF5;
  --border-hover:#D8E1F5;
  --radius:18px;
  --radius-sm:14px;
  --radius-xs:12px;
  --radius-lg:24px;
  --pill:999px;
  --shadow:0 8px 24px rgba(16,24,40,.06);
  --shadow-hover:0 12px 30px rgba(16,24,40,.10);
  --shadow-btn:0 10px 20px rgba(30,86,214,.24);
  --container:1200px;
  --header-h:72px;

  --bs-primary:#1E56D6;
  --bs-primary-rgb:30,86,214;
  --bs-body-color:#101828;
  --bs-body-bg:#F5F7FB;
  --bs-border-radius:14px;
  --bs-border-color:#E6EAF2;
  --bs-link-color:#1E56D6;
  --bs-link-hover-color:#1643AA;
  --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  padding-top:var(--header-h);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease,background-color .2s ease;}
a:focus-visible,button:focus-visible,summary:focus-visible,input:focus-visible{
  outline:2px solid var(--primary);
  outline-offset:2px;
  border-radius:6px;
}
h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:-.2px;}
h1{font-size:clamp(28px,4vw,42px);line-height:1.25;font-weight:800;}
h2{font-size:clamp(22px,2.4vw,30px);line-height:1.3;font-weight:700;}
h3{font-size:20px;line-height:1.4;font-weight:700;}
h4{font-size:17px;line-height:1.5;font-weight:600;}
p{margin:0 0 20px;color:var(--text-2);}
p:last-child{margin-bottom:0;}
ul,ol{margin:0 0 20px;padding-left:22px;color:var(--text-2);}
li{margin-bottom:10px;line-height:1.8;}
time{font-variant-numeric:tabular-nums;}
::selection{background:var(--primary-soft);color:var(--primary-hover);}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1030;
  background:#fff;
  border-bottom:1px solid var(--border-soft);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 4px 16px rgba(16,24,40,.06);}
.header-inner{
  height:var(--header-h);
  display:flex;align-items:center;gap:20px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:36px;height:36px;border-radius:10px;
  background:var(--primary);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:800;letter-spacing:-.5px;
}
.brand-text{font-size:19px;font-weight:800;letter-spacing:-.5px;color:var(--text);}
.brand-text b{color:var(--primary);font-weight:800;}

.nav-channels{display:flex;align-items:center;gap:6px;margin-left:8px;flex:1 1 auto;min-width:0;}
.nav-link-chip{
  display:inline-flex;align-items:center;height:40px;padding:0 16px;
  border-radius:var(--pill);
  font-size:15px;font-weight:600;color:var(--text-2);
  white-space:nowrap;
  transition:background-color .2s ease,color .2s ease;
}
.nav-link-chip:hover{background:var(--primary-soft);color:var(--primary);}
.nav-link-chip.active{background:var(--primary);color:#fff;}
.nav-link-chip:active{transform:translateY(1px);}

.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.icon-btn{
  width:40px;height:40px;border-radius:var(--pill);
  border:1px solid var(--border);background:#fff;color:var(--text-2);
  display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:.2s ease;
}
.icon-btn:hover{background:var(--primary-soft);color:var(--primary);border-color:var(--border-hover);}
.hamburger{
  display:none;width:42px;height:42px;border-radius:var(--pill);
  border:1px solid var(--border);background:#fff;color:var(--text);
  align-items:center;justify-content:center;cursor:pointer;
}
.hamburger:hover{background:var(--primary-soft);color:var(--primary);}

/* ---------- buttons ---------- */
.btn{
  --bs-btn-focus-box-shadow:none;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 28px;border-radius:var(--pill);
  font-size:15px;font-weight:700;line-height:1;border:1px solid transparent;
  transition:.2s ease;cursor:pointer;
}
.btn:active{transform:translateY(1px);}
.btn-primary{
  background:var(--primary);border-color:var(--primary);color:#fff;
}
.btn-primary:hover{background:var(--primary-hover);border-color:var(--primary-hover);color:#fff;box-shadow:var(--shadow-btn);}
.btn-outline{
  background:#fff;border-color:var(--primary);color:var(--primary);
}
.btn-outline:hover{background:var(--primary-soft);color:var(--primary-hover);border-color:var(--primary-hover);}
.btn-accent{background:var(--accent);border-color:var(--accent);color:#fff;}
.btn-accent:hover{background:var(--accent-hover);border-color:var(--accent-hover);color:#fff;box-shadow:0 10px 20px rgba(232,95,42,.26);}
.btn-sm{height:36px;padding:0 16px;border-radius:var(--radius-xs);font-size:14px;}
.btn[disabled],.btn.disabled{opacity:.55;cursor:not-allowed;box-shadow:none;transform:none;}
.btn-pill{min-width:104px;}

/* ---------- drawer ---------- */
.drawer-backdrop{
  position:fixed;inset:0;background:rgba(16,24,40,.42);
  opacity:0;visibility:hidden;transition:.25s ease;z-index:1040;
}
.drawer-backdrop.show{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;height:100%;width:82vw;max-width:360px;
  background:#fff;border-radius:20px 0 0 20px;z-index:1050;
  transform:translateX(102%);transition:transform .3s ease;
  display:flex;flex-direction:column;padding:20px;overflow-y:auto;
}
.drawer.show{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--border-soft);}
.drawer-nav{display:flex;flex-direction:column;padding:12px 0;gap:2px;}
.drawer-nav a{
  display:block;padding:14px 12px;border-radius:var(--radius-xs);
  font-size:16px;font-weight:600;color:var(--text-2);
}
.drawer-nav a:hover{background:var(--primary-soft);color:var(--primary);}
.drawer-nav a.active{background:var(--primary);color:#fff;}
.drawer-foot{margin-top:auto;padding-top:16px;border-top:1px solid var(--border-soft);}
.drawer-foot .btn{width:100%;}
body.drawer-open{overflow:hidden;}

/* ---------- hero ---------- */
.page-hero{
  position:relative;
  padding:64px 0 72px;
  background:var(--surface);
  border-bottom:1px solid var(--border-soft);
  overflow:hidden;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:url("/assets/images/backpic/back-1.png") center/cover no-repeat;
  opacity:.16;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(30,86,214,.05),rgba(255,255,255,.92) 78%);
}
.page-hero .container{position:relative;z-index:2;}
.breadcrumb-line{
  display:flex;align-items:center;flex-wrap:wrap;gap:8px;
  font-size:13px;font-weight:500;color:var(--text-3);margin-bottom:18px;
}
.breadcrumb-line a{color:var(--text-3);}
.breadcrumb-line a:hover{color:var(--primary);}
.breadcrumb-line .sep{color:var(--primary);}
.breadcrumb-line .current{color:var(--primary);font-weight:600;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  height:32px;padding:0 14px;border-radius:var(--pill);
  background:var(--primary-soft);color:var(--primary);
  font-size:13px;font-weight:600;margin-bottom:18px;
}
.hero-tag .dot-teal{width:7px;height:7px;border-radius:50%;background:var(--teal);}
.page-hero h1{max-width:760px;}
.page-hero .hero-lead{
  max-width:660px;margin-top:16px;font-size:17px;color:var(--text-2);
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.hero-meta{
  display:flex;flex-wrap:wrap;gap:26px;margin-top:32px;
  padding-top:24px;border-top:1px dashed var(--border);
}
.hero-meta .item{font-size:14px;color:var(--text-3);font-weight:500;}
.hero-meta .item b{display:block;font-size:22px;font-weight:800;color:var(--text);letter-spacing:-.5px;margin-bottom:2px;}

/* ---------- sections ---------- */
.section{padding:80px 0;}
.section.alt{background:var(--surface-2);}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head .eyebrow{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:1px;
  color:var(--primary);background:var(--primary-soft);
  padding:6px 12px;border-radius:var(--pill);margin-bottom:14px;
}
.section-head .lead{margin-top:14px;font-size:16px;color:var(--text-2);}

/* ---------- split (long form) ---------- */
.split{
  display:grid;grid-template-columns:1fr 1fr;
  gap:64px;align-items:center;
}
.split + .split{margin-top:80px;}
.split-copy h2{margin-bottom:18px;}
.split-copy h3{margin:28px 0 10px;font-size:18px;}
.split-copy p{font-size:16px;}
.split.reverse .split-media{order:-1;}
.media-frame{
  position:relative;border-radius:var(--radius);
  overflow:hidden;background:var(--placeholder);
  border:1px solid var(--border-soft);
  box-shadow:var(--shadow);
  aspect-ratio:4/3;
}
.media-frame img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease;}
.media-frame:hover img{transform:scale(1.03);}
.media-float{
  position:absolute;left:16px;bottom:16px;
  background:#fff;border-radius:var(--radius-xs);
  padding:12px 16px;box-shadow:var(--shadow);
  display:flex;align-items:center;gap:10px;
}
.media-float i{color:var(--primary);font-size:16px;}
.media-float span{font-size:13px;font-weight:600;color:var(--text);}
.media-float small{display:block;font-size:12px;font-weight:500;color:var(--text-3);}

.field-list{
  list-style:none;padding:0;margin:24px 0 0;
  border-top:1px solid var(--border-soft);
}
.field-list li{
  display:flex;gap:16px;align-items:flex-start;
  padding:16px 4px;margin:0;
  border-bottom:1px dashed var(--border);
}
.field-list .k{
  flex:0 0 96px;font-size:14px;font-weight:700;color:var(--primary);
}
.field-list .v{font-size:15px;color:var(--text-2);line-height:1.75;}

/* ---------- scene chips (horizontal scroll) ---------- */
.chip-scroller{
  display:flex;gap:12px;overflow-x:auto;padding:6px 4px 14px;
  scroll-snap-type:x mandatory;
  -ms-overflow-style:none;scrollbar-width:none;
}
.chip-scroller::-webkit-scrollbar{display:none;}
.scene-chip{
  flex:0 0 auto;scroll-snap-align:start;
  display:inline-flex;align-items:center;gap:8px;
  height:44px;padding:0 18px;border-radius:var(--pill);
  background:#fff;border:1px solid var(--border);
  font-size:14px;font-weight:600;color:var(--text-2);
  transition:.2s ease;
}
.scene-chip:hover{border-color:var(--primary);color:var(--primary);background:var(--primary-soft);}
.scene-chip i{color:var(--primary);}

/* ---------- stats ---------- */
.stat-row{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  margin-top:8px;
}
.stat-card{
  background:#fff;border:1px solid var(--border-soft);border-radius:var(--radius);
  padding:26px 24px;box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--border-hover);}
.stat-card .num{font-size:30px;font-weight:800;color:var(--primary);letter-spacing:-.5px;line-height:1.2;}
.stat-card .num small{font-size:15px;font-weight:700;margin-left:2px;}
.stat-card .label{margin-top:8px;font-size:14px;font-weight:600;color:var(--text);}
.stat-card .desc{margin-top:4px;font-size:13px;color:var(--text-3);line-height:1.7;}

/* ---------- info cards (asymmetric) ---------- */
.card-pair{
  display:grid;grid-template-columns:1.25fr 1fr;gap:24px;align-items:stretch;
}
.info-card{
  background:#fff;border:1px solid var(--border-soft);border-radius:var(--radius);
  padding:32px;box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
  display:flex;flex-direction:column;
}
.info-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--border-hover);}
.info-card h3{margin-bottom:12px;}
.info-card p{font-size:15px;margin-bottom:0;}
.info-card .tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:20px;}
.tag{
  display:inline-flex;align-items:center;height:28px;padding:0 12px;
  border-radius:var(--pill);font-size:12.5px;font-weight:600;
  background:var(--primary-soft);color:var(--primary);
}
.tag.warm{background:rgba(255,122,69,.12);color:var(--accent-hover);}
.tag.fresh{background:rgba(18,179,154,.12);color:#0E8F7C;}

/* ---------- numbered list ---------- */
.num-list{list-style:none;padding:0;margin:0;}
.num-list li{
  position:relative;display:flex;gap:20px;
  padding:22px 0;margin:0;border-bottom:1px dashed var(--border);
}
.num-list li:last-child{border-bottom:none;}
.num-list .idx{
  flex:0 0 46px;height:46px;border-radius:14px;
  background:var(--primary-10);color:var(--primary);
  display:flex;align-items:center;justify-content:center;
  font-size:17px;font-weight:800;
}
.num-list h3{font-size:17px;margin-bottom:6px;}
.num-list p{font-size:15px;margin:0;}

/* ---------- cta band ---------- */
.cta-wrap{padding:24px 0 80px;}
.cta-band{
  position:relative;overflow:hidden;
  background:var(--primary);border-radius:var(--radius-lg);
  padding:44px;display:flex;align-items:center;gap:32px;justify-content:space-between;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:repeating-linear-gradient(135deg,rgba(255,255,255,.06) 0 12px,transparent 12px 24px);
  pointer-events:none;
}
.cta-copy{position:relative;z-index:2;max-width:620px;}
.cta-copy h2{color:#fff;font-size:26px;}
.cta-copy p{color:rgba(255,255,255,.78);margin:10px 0 0;font-size:15px;}
.cta-side{position:relative;z-index:2;display:flex;align-items:center;gap:20px;}
.qr-box{
  width:104px;height:104px;border-radius:var(--radius-xs);
  background:#fff;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:6px;color:var(--primary);font-size:12px;font-weight:600;flex:0 0 auto;
}
.qr-box i{font-size:26px;}

/* ---------- faq ---------- */
.accordion{--bs-accordion-border-color:transparent;--bs-accordion-bg:transparent;}
.faq-item{
  background:#fff;border:1px solid var(--border-soft);border-radius:var(--radius-xs);
  margin-bottom:14px;overflow:hidden;box-shadow:var(--shadow);
}
.faq-item .accordion-button{
  width:100%;text-align:left;
  background:#fff;border:none;border-radius:var(--radius-xs)!important;
  padding:20px 22px;font-size:16px;font-weight:600;color:var(--text);
  display:flex;align-items:center;justify-content:space-between;gap:14px;
  box-shadow:none!important;
}
.faq-item .accordion-button:not(.collapsed){color:var(--primary);background:var(--primary-soft);}
.faq-item .accordion-button:focus{box-shadow:none;border:0;}
.faq-item .accordion-button::after{
  content:"\f078";font-family:"Font Awesome 6 Free";font-weight:900;
  font-size:13px;color:var(--primary);
  background:none;width:auto;height:auto;transform:none;
  transition:transform .25s ease;
}
.faq-item .accordion-button:not(.collapsed)::after{transform:rotate(180deg);}
.faq-item .accordion-body{
  background:var(--surface-2);padding:20px 22px;font-size:15px;color:var(--text-2);
  border-top:1px solid var(--border-soft);line-height:1.85;
}

/* ---------- footer ---------- */
.site-footer{background:#fff;border-top:1px solid var(--border-soft);padding-top:64px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-desc{font-size:14px;color:var(--text-3);line-height:1.85;max-width:320px;}
.footer-title{font-size:15px;font-weight:700;margin-bottom:16px;color:var(--text);}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:14px;color:var(--text-2);}
.footer-links a:hover{color:var(--primary);}
.footer-qr{
  width:118px;height:118px;border-radius:var(--radius-xs);
  border:1px dashed var(--border);background:var(--surface-2);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:8px;
  color:var(--text-3);font-size:12.5px;font-weight:600;
}
.footer-qr i{font-size:24px;color:var(--primary);}
.footer-note{font-size:13px;color:var(--text-3);margin-top:14px;line-height:1.8;}
.footer-bottom{
  margin-top:52px;padding:22px 0;border-top:1px solid var(--border-soft);
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3);}
.footer-bottom a:hover{color:var(--primary);}
.footer-bottom .dot{margin:0 8px;color:var(--border-hover);}

/* ---------- mobile cta bar ---------- */
.mobile-cta-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:1020;
  height:64px;padding:0 16px calc(0px + env(safe-area-inset-bottom));
  background:#fff;border-top:1px solid var(--border-soft);
  align-items:center;justify-content:space-between;gap:12px;
  box-shadow:0 -4px 16px rgba(16,24,40,.06);
}
.mobile-cta-bar .txt{font-size:13px;font-weight:600;color:var(--text-2);}
.mobile-cta-bar .btn{height:42px;padding:0 20px;font-size:14px;}

/* ---------- responsive ---------- */
@media (max-width:1199.98px){
  .nav-channels{gap:2px;}
  .nav-link-chip{padding:0 12px;font-size:14px;}
}
@media (max-width:991.98px){
  :root{--header-h:66px;}
  .nav-channels{display:none;}
  .hamburger{display:inline-flex;}
  .header-cta{display:none;}
  .section{padding:56px 0;}
  .page-hero{padding:48px 0 56px;}
  .split{grid-template-columns:1fr;gap:32px;}
  .split + .split{margin-top:56px;}
  .split.reverse .split-media{order:0;}
  .split.reverse .split-copy{order:1;}
  .stat-row{grid-template-columns:repeat(2,1fr);}
  .card-pair{grid-template-columns:1fr;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px;}
  .cta-side{width:100%;justify-content:space-between;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767.98px){
  .container{padding:0 16px;}
  body{font-size:15.5px;}
  .section{padding:40px 0;}
  .page-hero{padding:36px 0 44px;}
  .page-hero .hero-lead{font-size:16px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{width:100%;}
  .hero-meta{gap:18px;}
  .hero-meta .item b{font-size:19px;}
  .stat-row{grid-template-columns:1fr;gap:16px;}
  .media-frame{aspect-ratio:16/11;}
  .field-list li{flex-direction:column;gap:6px;}
  .field-list .k{flex:none;}
  .num-list li{gap:14px;}
  .num-list .idx{flex:0 0 40px;height:40px;font-size:15px;border-radius:12px;}
  .cta-wrap{padding:8px 0 40px;}
  .cta-band{padding:26px 22px;border-radius:20px;}
  .cta-copy h2{font-size:21px;}
  .cta-side{flex-direction:column;align-items:stretch;gap:14px;}
  .qr-box{width:100%;height:88px;flex-direction:row;gap:10px;}
  .site-footer{padding-bottom:96px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .mobile-cta-bar{display:flex;}
  .section-head{margin-bottom:30px;}
}
@media (max-width:519.98px){
  .footer-grid{grid-template-columns:1fr;}
  .brand-text{font-size:17px;}
  .page-hero h1{font-size:26px;}
}

/* roulang page: category2 */
:root{
  --brand:#1E56D6;
  --brand-hover:#1643AA;
  --brand-soft:#EAF0FF;
  --brand-10:rgba(30,86,214,.10);
  --accent:#FF7A45;
  --accent-hover:#E85F2A;
  --teal:#12B39A;
  --page-bg:#F5F7FB;
  --card-bg:#FFFFFF;
  --sub-bg:#FAFBFD;
  --t1:#101828;
  --t2:#5A6478;
  --t3:#8A93A6;
  --line:#E6EAF2;
  --line-soft:#E9EDF5;
  --line-strong:#D8E1F5;
  --r-xl:24px;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:12px;
  --sh:0 8px 24px rgba(16,24,40,.06);
  --sh-hover:0 14px 30px rgba(16,24,40,.10);
  --sh-brand:0 10px 20px rgba(30,86,214,.24);
  --ease:200ms ease;
  --sec-pc:80px;
  --sec-tb:56px;
  --sec-mb:40px;

  --bs-primary:#1E56D6;
  --bs-primary-rgb:30,86,214;
  --bs-body-color:#101828;
  --bs-body-bg:#F5F7FB;
  --bs-border-radius:14px;
  --bs-border-radius-lg:18px;
  --bs-border-color:#E6EAF2;
  --bs-link-color:#1E56D6;
  --bs-link-hover-color:#1643AA;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Helvetica Neue",sans-serif;
  background:var(--page-bg);
  color:var(--t1);
  font-size:16px;
  line-height:1.9;
  padding-top:72px;
  padding-bottom:0;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none}
a:hover{color:var(--brand-hover)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--t1)}
h1{font-size:clamp(28px,4vw,42px);line-height:1.25;font-weight:800;letter-spacing:-.5px}
h2{font-size:clamp(22px,2.4vw,30px);line-height:1.3;font-weight:700}
h3{font-size:20px;line-height:1.4;font-weight:700}
h4{font-size:17px;line-height:1.5;font-weight:600}
p{margin:0 0 20px}
ul,ol{margin:0;padding:0;list-style:none}
.container-x{max-width:1200px;margin:0 auto;padding:0 24px}
.section{padding:80px 0}
.section-sm{padding:56px 0}
.sub-bg{background:var(--sub-bg)}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.sec-head p{margin:10px 0 0;color:var(--t2);max-width:720px}
.sec-head .more{font-size:14px;font-weight:600;color:var(--brand);white-space:nowrap}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;color:var(--t3);letter-spacing:.4px;margin-bottom:12px}
.eyebrow i{color:var(--brand)}

/* 导航 */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1040;background:#fff;
  border-bottom:1px solid var(--line);transition:box-shadow var(--ease);
}
.site-header.scrolled{box-shadow:0 4px 16px rgba(16,24,40,.06)}
.nav-inner{display:flex;align-items:center;gap:20px;height:72px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:38px;height:38px;border-radius:10px;background:var(--brand);color:#fff;
  display:grid;place-items:center;font-weight:800;font-size:15px;letter-spacing:-.5px;
}
.brand-text{font-weight:800;font-size:19px;letter-spacing:-.5px;color:var(--t1)}
.brand-text b{color:var(--brand);font-weight:800}
.nav-channels{display:flex;align-items:center;gap:6px;margin-left:8px;flex-wrap:wrap}
.nav-link-chip{
  display:inline-flex;align-items:center;height:40px;padding:0 16px;border-radius:999px;
  font-size:15px;font-weight:600;color:var(--t2);transition:background var(--ease),color var(--ease);
}
.nav-link-chip:hover{background:var(--brand-soft);color:var(--brand)}
.nav-link-chip.active{background:var(--brand);color:#fff}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.icon-btn{
  width:40px;height:40px;border-radius:999px;border:1px solid var(--line);background:#fff;
  color:var(--t2);display:grid;place-items:center;transition:all var(--ease);cursor:pointer;
}
.icon-btn:hover{border-color:var(--brand);color:var(--brand);background:var(--brand-soft)}
.btn-nav-cta{
  display:inline-flex;align-items:center;height:40px;padding:0 20px;border-radius:999px;
  background:var(--brand);color:#fff;font-weight:700;font-size:15px;border:0;transition:all var(--ease);
}
.btn-nav-cta:hover{background:var(--brand-hover);color:#fff;box-shadow:var(--sh-brand)}
.hamburger{display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--t1)}

/* 抽屉 */
.drawer-mask{position:fixed;inset:0;background:rgba(16,24,40,.42);opacity:0;visibility:hidden;transition:all var(--ease);z-index:1050}
.drawer-mask.show{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:82vw;max-width:340px;background:#fff;
  border-radius:20px 0 0 20px;z-index:1060;transform:translateX(105%);transition:transform 260ms ease;
  display:flex;flex-direction:column;padding:22px 20px;overflow-y:auto;
}
.drawer.show{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:18px}
.drawer-list{display:flex;flex-direction:column}
.drawer-list a{
  padding:14px 4px;font-size:16px;font-weight:600;color:var(--t1);
  border-bottom:1px solid var(--line-soft);display:flex;align-items:center;justify-content:space-between;
}
.drawer-list a.active{color:var(--brand)}
.drawer-list a i{color:var(--t3);font-size:13px}
.drawer-cta{margin-top:auto;padding-top:22px}
.drawer-cta .btn{border-radius:999px;width:100%;height:48px;font-weight:700}

/* 按钮 */
.btn{border-radius:999px;font-weight:700;transition:all var(--ease);border-width:1px;font-size:15px}
.btn:focus-visible,.nav-link-chip:focus-visible,.icon-btn:focus-visible,.faq-q:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.btn-primary-x{background:var(--brand);border-color:var(--brand);color:#fff;height:48px;padding:0 28px;display:inline-flex;align-items:center;gap:8px}
.btn-primary-x:hover{background:var(--brand-hover);border-color:var(--brand-hover);color:#fff;box-shadow:var(--sh-brand);transform:translateY(-1px)}
.btn-primary-x:active{transform:translateY(1px);box-shadow:none}
.btn-outline-x{background:#fff;border-color:var(--brand);color:var(--brand);height:48px;padding:0 28px;display:inline-flex;align-items:center;gap:8px}
.btn-outline-x:hover{background:var(--brand-soft);color:var(--brand-hover);border-color:var(--brand-hover)}
.btn-accent-x{background:var(--accent);border-color:var(--accent);color:#fff;height:48px;padding:0 28px;display:inline-flex;align-items:center;gap:8px}
.btn-accent-x:hover{background:var(--accent-hover);border-color:var(--accent-hover);color:#fff}
.btn-sm-x{height:36px;padding:0 16px;border-radius:12px;font-size:14px}

/* Hero */
.cat-hero{
  position:relative;overflow:hidden;background:#fff;
  border-bottom:1px solid var(--line);
}
.cat-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(30,86,214,.05) 0%,rgba(255,255,255,.90) 70%);
  pointer-events:none;
}
.cat-hero-bg{position:absolute;inset:0}
.cat-hero-bg img{width:100%;height:100%;object-fit:cover;opacity:.24}
.cat-hero-inner{position:relative;z-index:2;padding:64px 0 56px;max-width:820px}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:500;color:var(--t3);margin-bottom:18px;flex-wrap:wrap}
.crumb a{color:var(--t3)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:var(--brand)}
.crumb .current{color:var(--brand);font-weight:600}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);font-size:13px;font-weight:600;margin-bottom:18px;
}
.cat-hero h1{margin-bottom:16px}
.cat-lead{font-size:17px;color:var(--t2);max-width:680px;margin-bottom:26px}
.hero-stats{display:flex;gap:14px;flex-wrap:wrap;margin-top:6px}
.stat-chip{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);padding:12px 18px;min-width:132px;
  box-shadow:var(--sh);
}
.stat-chip .num{font-size:22px;font-weight:800;color:var(--brand);line-height:1.2}
.stat-chip .lbl{font-size:13px;color:var(--t3);font-weight:500}

/* 时间轴 */
.tl-list{max-width:920px;margin:0 auto}
.tl-item{display:grid;grid-template-columns:76px 1fr;position:relative;padding-bottom:26px}
.tl-item:last-child{padding-bottom:0}
.tl-axis{position:relative;display:flex;justify-content:center}
.tl-dot{
  width:46px;height:46px;border-radius:14px;background:var(--brand-soft);color:var(--brand);
  display:grid;place-items:center;font-weight:800;font-size:15px;position:relative;z-index:2;
}
.tl-item::before{
  content:"";position:absolute;left:37px;top:54px;bottom:2px;width:2px;background:var(--line);
}
.tl-item:last-child::before{display:none}
.tl-card{
  background:var(--card-bg);border:1px solid var(--line-soft);border-radius:var(--r-lg);
  padding:24px 26px;box-shadow:var(--sh);transition:all var(--ease);
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:var(--line-strong)}
.tl-card h3{margin-bottom:8px}
.tl-card p{color:var(--t2);margin-bottom:14px;font-size:15px}
.tag-row{display:flex;gap:8px;flex-wrap:wrap}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);font-size:13px;font-weight:600;
}
.tag.warm{background:rgba(255,122,69,.12);color:var(--accent-hover)}
.tag.cool{background:rgba(18,179,154,.12);color:#0E8E7B}

/* 样本横滑 */
.hscroll{
  display:flex;gap:24px;overflow-x:auto;scroll-snap-type:x mandatory;
  padding:6px 4px 18px;margin:0 -4px;scrollbar-width:none;
}
.hscroll::-webkit-scrollbar{display:none}
.hscroll > *{scroll-snap-align:start;flex:0 0 auto}
.vcard{width:264px;background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh);transition:all var(--ease)}
.vcard:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:var(--line-strong)}
.vcard .cover{position:relative;aspect-ratio:3/4;background:#EDF1F8;overflow:hidden}
.vcard .cover img{width:100%;height:100%;object-fit:cover}
.vcard .cover .dur{
  position:absolute;top:10px;left:10px;height:24px;padding:0 10px;border-radius:8px;
  background:rgba(16,24,40,.72);color:#fff;font-size:12px;font-weight:600;display:inline-flex;align-items:center;
}
.vcard .body{padding:16px 18px 20px}
.vcard h3{font-size:17px;margin-bottom:8px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.vcard .meta{font-size:13px;color:var(--t3);display:flex;align-items:center;gap:8px}

/* 数据看板 */
.board{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
}
.board-cell{
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-lg);padding:26px 24px;box-shadow:var(--sh);
  transition:all var(--ease);
}
.board-cell:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:var(--line-strong)}
.board-cell .val{font-size:32px;font-weight:800;color:var(--brand);letter-spacing:-.5px;line-height:1.2}
.board-cell .val small{font-size:15px;font-weight:600;color:var(--t2);margin-left:4px}
.board-cell .cap{font-size:14px;color:var(--t2);font-weight:600;margin-top:6px}
.board-cell .sub{font-size:13px;color:var(--t3)}

/* 场景卡（横向三列错落） */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.scene-card{
  background:var(--card-bg);border:1px solid var(--line-soft);border-radius:var(--r-lg);
  padding:0;overflow:hidden;box-shadow:var(--sh);transition:all var(--ease);display:flex;flex-direction:column;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:var(--line-strong)}
.scene-card .thumb{aspect-ratio:16/9;background:#EDF1F8;overflow:hidden}
.scene-card .thumb img{width:100%;height:100%;object-fit:cover}
.scene-card .inner{padding:22px 24px 26px;display:flex;flex-direction:column;flex:1}
.scene-card h3{margin-bottom:10px}
.scene-card p{font-size:15px;color:var(--t2);margin-bottom:16px}
.check-list li{display:flex;gap:10px;font-size:14px;color:var(--t2);margin-bottom:8px}
.check-list li i{color:var(--teal);margin-top:6px;font-size:13px}

/* 短评横滑 */
.voice-row{display:flex;gap:18px;overflow-x:auto;padding:6px 4px 16px;margin:0 -4px;scrollbar-width:none}
.voice-row::-webkit-scrollbar{display:none}
.voice-row > *{flex:0 0 auto}
.voice-chip{
  background:var(--sub-bg);border:1px solid var(--line);border-radius:var(--r-md);padding:16px 20px;width:300px;
}
.voice-chip .stars{color:var(--teal);font-size:12px;letter-spacing:2px;margin-bottom:6px}
.voice-chip p{margin:0;font-size:14px;color:var(--t2)}
.voice-chip .who{font-size:13px;color:var(--t3);margin-top:8px}

/* CTA */
.cta-band{
  position:relative;overflow:hidden;background:var(--brand);border-radius:var(--r-xl);
  padding:44px 48px;display:flex;align-items:center;gap:36px;flex-wrap:wrap;justify-content:space-between;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.06) 0 12px,transparent 12px 24px);
  pointer-events:none;
}
.cta-band .cta-text{position:relative;z-index:2;max-width:560px}
.cta-band h2{color:#fff}
.cta-band p{color:rgba(255,255,255,.86);margin:10px 0 0;font-size:15px}
.cta-actions{position:relative;z-index:2;display:flex;align-items:center;gap:18px;flex-wrap:wrap}
.qr-box{
  width:96px;height:96px;border-radius:var(--r-md);background:#fff;display:grid;place-items:center;
  color:var(--brand);font-size:34px;box-shadow:0 8px 20px rgba(0,0,0,.12);
}

/* FAQ */
.faq-wrap{max-width:880px;margin:0 auto}
.faq-item{background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-md);margin-bottom:14px;overflow:hidden;transition:all var(--ease)}
.faq-item:hover{border-color:var(--line-strong)}
.faq-q{
  width:100%;background:none;border:0;text-align:left;padding:20px 22px;display:flex;align-items:center;
  justify-content:space-between;gap:16px;font-size:16px;font-weight:600;color:var(--t1);cursor:pointer;
}
.faq-q i{color:var(--t3);transition:transform var(--ease);font-size:14px}
.faq-item.open .faq-q i{transform:rotate(180deg);color:var(--brand)}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms ease}
.faq-item.open .faq-a{max-height:420px}
.faq-a .inner{padding:0 22px 20px;background:var(--sub-bg);border-top:1px solid var(--line-soft);font-size:15px;color:var(--t2)}
.faq-a .inner{padding-top:18px}

/* 页脚 */
.site-footer{background:#fff;border-top:1px solid var(--line);margin-top:64px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding:56px 0 40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-desc{font-size:14px;color:var(--t2);margin:0;line-height:1.8}
.footer-title{font-size:15px;font-weight:700;margin-bottom:16px;color:var(--t1)}
.footer-links{display:flex;flex-direction:column;gap:12px}
.footer-links a{font-size:14px;color:var(--t2)}
.footer-links a:hover{color:var(--brand)}
.footer-qr{
  width:110px;height:110px;border-radius:var(--r-md);border:1px dashed var(--line-strong);background:var(--sub-bg);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;color:var(--brand);font-size:13px;
}
.footer-qr i{font-size:26px}
.footer-note{font-size:13px;color:var(--t3);margin:14px 0 0}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0 26px;display:flex;justify-content:space-between;gap:16px;
  flex-wrap:wrap;font-size:13px;color:var(--t3);
}
.footer-bottom a{color:var(--t3)}
.footer-bottom a:hover{color:var(--brand)}
.footer-bottom .dot{margin:0 10px;color:var(--line-strong)}

/* 移动端底部 CTA */
.mobile-cta{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:1030;height:64px;background:#fff;
  border-top:1px solid var(--line);padding:8px 16px calc(8px + env(safe-area-inset-bottom));align-items:center;gap:12px;
  box-shadow:0 -6px 18px rgba(16,24,40,.08);
}
.mobile-cta .btn{flex:1;height:48px;border-radius:999px}

/* 搜索面板 */
.search-panel{display:none;background:#fff;border-bottom:1px solid var(--line);padding:16px 0}
.search-panel.show{display:block}
.search-form{display:flex;gap:10px;align-items:center;max-width:640px;margin:0 auto}
.search-form input{
  flex:1;height:48px;border-radius:var(--r-sm);border:1px solid var(--line);padding:0 16px;font-size:15px;
  color:var(--t1);transition:all var(--ease);background:#fff;
}
.search-form input::placeholder{color:var(--t3)}
.search-form input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px var(--brand-10)}

/* 图片骨架 */
.img-skel{background:#EDF1F8}
.img-skel img{opacity:0;transition:opacity 320ms ease}
.img-skel img.loaded{opacity:1}

@media (max-width:1200px){
  .board{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:991px){
  .section{padding:56px 0}
  .nav-channels{display:none}
  .nav-right .btn-nav-cta{display:none}
  .hamburger{display:grid;place-items:center}
  .scene-grid{grid-template-columns:1fr 1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .cat-hero-inner{padding:48px 0 40px}
}
@media (max-width:767px){
  .scene-grid{grid-template-columns:1fr}
  .vcard{width:224px}
  .cta-band{padding:32px 26px}
  .cta-band .cta-actions{width:100%}
  .cta-band .cta-actions .btn{flex:1;justify-content:center}
  .qr-box{display:none}
}
@media (max-width:575px){
  body{padding-top:64px;padding-bottom:78px}
  .container-x{padding:0 16px}
  .section{padding:40px 0}
  .section-sm{padding:40px 0}
  .nav-inner{height:64px}
  .tl-item{grid-template-columns:52px 1fr}
  .tl-item::before{left:25px}
  .tl-dot{width:38px;height:38px;border-radius:12px;font-size:13px}
  .tl-card{padding:20px}
  .board{grid-template-columns:1fr 1fr;gap:16px}
  .board-cell{padding:20px 16px}
  .board-cell .val{font-size:26px}
  .mobile-cta{display:flex}
  .footer-grid{grid-template-columns:1fr 1fr;padding:40px 0 28px}
  .footer-bottom{flex-direction:column;gap:8px}
  .hero-stats{gap:10px}
  .stat-chip{flex:1;min-width:0;padding:10px 14px}
}

/* roulang page: category3 */
:root{
  --brand:#1E56D6;
  --brand-hover:#1643AA;
  --brand-soft:#EAF0FF;
  --brand-10:rgba(30,86,214,.10);
  --accent:#FF7A45;
  --accent-hover:#E85F2A;
  --teal:#12B39A;
  --bg:#F5F7FB;
  --card:#FFFFFF;
  --bg-soft:#FAFBFD;
  --text:#101828;
  --text-2:#5A6478;
  --text-3:#8A93A6;
  --line:#E6EAF2;
  --line-soft:#E9EDF5;
  --line-strong:#D8E1F5;
  --r-card:18px;
  --r-sm:12px;
  --r-pill:999px;
  --shadow:0 8px 24px rgba(16,24,40,.06);
  --shadow-hover:0 14px 32px rgba(16,24,40,.10);
  --header-h:72px;
  --bs-primary:#1E56D6;
  --bs-primary-rgb:30,86,214;
  --bs-body-color:#101828;
  --bs-body-bg:#F5F7FB;
  --bs-border-radius:12px;
  --bs-border-color:#E6EAF2;
  --bs-link-color:#1E56D6;
  --bs-link-hover-color:#1643AA;
  --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
}

*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  padding-top:var(--header-h);
  -webkit-font-smoothing:antialiased;
}
body.no-scroll{overflow:hidden;}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,background-color .2s ease,border-color .2s ease;}
a:hover{color:var(--brand-hover);}
h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:-.2px;}
h1{font-size:clamp(28px,4vw,42px);line-height:1.25;font-weight:800;}
h2{font-size:clamp(22px,2.4vw,30px);line-height:1.3;font-weight:700;}
h3{font-size:20px;line-height:1.4;font-weight:700;}
h4{font-size:17px;line-height:1.5;font-weight:600;}
p{margin:0 0 16px;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;box-shadow:0 0 0 2px #fff;border-radius:6px;}

.container{max-width:1200px;padding-left:24px;padding-right:24px;}

/* ============ 导航 ============ */
.site-header{
  position:fixed;
  top:0;left:0;right:0;
  height:var(--header-h);
  background:#fff;
  border-bottom:1px solid var(--line-soft);
  z-index:1040;
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 4px 16px rgba(16,24,40,.06);}
.header-inner{
  height:var(--header-h);
  display:flex;
  align-items:center;
  gap:24px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--text);
  font-weight:800;
  letter-spacing:-.5px;
}
.brand:hover{color:var(--text);}
.brand-mark{
  width:36px;height:36px;
  border-radius:10px;
  background:var(--brand);
  color:#fff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:15px;
  font-weight:800;
  letter-spacing:-.5px;
  flex:0 0 auto;
}
.brand-text{font-size:20px;font-weight:800;letter-spacing:-.5px;line-height:1;}
.brand-text b{font-weight:800;color:var(--brand);}

.nav-channels{
  display:flex;
  align-items:center;
  gap:4px;
  flex:1 1 auto;
  min-width:0;
}
.nav-link-chip{
  display:inline-flex;
  align-items:center;
  height:40px;
  padding:0 16px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  color:var(--text-2);
  white-space:nowrap;
  transition:background-color .2s ease,color .2s ease;
}
.nav-link-chip:hover{background:var(--brand-soft);color:var(--brand);}
.nav-link-chip.active{background:var(--brand);color:#fff;}
.nav-link-chip.active:hover{background:var(--brand-hover);color:#fff;}

.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.icon-btn{
  width:40px;height:40px;
  border-radius:50%;
  border:1px solid var(--line);
  background:#fff;
  color:var(--text-2);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  cursor:pointer;
  transition:background-color .2s ease,color .2s ease,border-color .2s ease;
}
.icon-btn:hover{background:var(--brand-soft);color:var(--brand);border-color:var(--line-strong);}
.btn-cta-header{
  height:40px;
  padding:0 22px;
  border-radius:var(--r-pill);
  background:var(--brand);
  border:1px solid var(--brand);
  color:#fff;
  font-size:14px;
  font-weight:700;
  display:inline-flex;
  align-items:center;
  transition:background-color .2s ease,box-shadow .2s ease,transform .15s ease;
}
.btn-cta-header:hover{background:var(--brand-hover);color:#fff;box-shadow:0 10px 20px rgba(30,86,214,.24);}
.btn-cta-header:active{transform:translateY(1px);}
.hamburger{
  display:none;
  width:40px;height:40px;
  border-radius:12px;
  border:1px solid var(--line);
  background:#fff;
  color:var(--text);
  cursor:pointer;
  align-items:center;
  justify-content:center;
}
.hamburger:hover{background:var(--brand-soft);color:var(--brand);}

.search-pop{
  position:fixed;
  top:var(--header-h);
  left:0;right:0;
  background:#fff;
  border-bottom:1px solid var(--line-soft);
  box-shadow:0 12px 26px rgba(16,24,40,.08);
  padding:18px 0;
  transform:translateY(-12px);
  opacity:0;
  visibility:hidden;
  transition:opacity .22s ease,transform .22s ease,visibility .22s;
  z-index:1039;
}
.search-pop.is-open{transform:translateY(0);opacity:1;visibility:visible;}
.search-form{display:flex;gap:12px;align-items:center;}
.search-input{
  height:48px;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  font-size:15px;
  padding:0 18px;
  box-shadow:none;
}
.search-input::placeholder{color:var(--text-3);}
.search-input:focus{
  border-color:var(--brand);
  box-shadow:0 0 0 3px var(--brand-10);
  outline:none;
}
.search-btn{
  height:48px;
  padding:0 26px;
  border-radius:var(--r-pill);
  background:var(--brand);
  border:1px solid var(--brand);
  color:#fff;
  font-weight:700;
  font-size:15px;
  white-space:nowrap;
}
.search-btn:hover{background:var(--brand-hover);border-color:var(--brand-hover);color:#fff;}

.drawer-mask{
  position:fixed;inset:0;
  background:rgba(16,24,40,.42);
  opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s;
  z-index:1055;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;
  top:0;right:0;bottom:0;
  width:82vw;
  max-width:360px;
  background:#fff;
  border-radius:20px 0 0 20px;
  box-shadow:-16px 0 40px rgba(16,24,40,.16);
  transform:translateX(102%);
  transition:transform .28s ease;
  z-index:1060;
  display:flex;
  flex-direction:column;
  padding:20px 20px calc(20px + env(safe-area-inset-bottom));
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;padding-bottom:16px;border-bottom:1px solid var(--line-soft);}
.drawer-title{font-size:15px;font-weight:700;color:var(--text);}
.drawer-close{
  width:36px;height:36px;border-radius:10px;border:1px solid var(--line);
  background:#fff;color:var(--text-2);cursor:pointer;
}
.drawer-close:hover{background:var(--brand-soft);color:var(--brand);}
.drawer-nav{display:flex;flex-direction:column;padding:8px 0;overflow-y:auto;}
.drawer-nav a{
  display:flex;align-items:center;justify-content:space-between;
  padding:14px 4px;
  font-size:16px;font-weight:600;color:var(--text-2);
  border-bottom:1px solid var(--line-soft);
}
.drawer-nav a:hover{color:var(--brand);}
.drawer-nav a.active{color:var(--brand);}
.drawer-nav a.active::after{content:"\\f00c";font-family:"Font Awesome 6 Free";font-weight:900;font-size:13px;}
.drawer-foot{margin-top:auto;padding-top:16px;}
.drawer-foot .btn{width:100%;}

/* ============ 通用按钮 ============ */
.btn{
  border-radius:var(--r-pill);
  font-weight:700;
  font-size:15px;
  transition:background-color .2s ease,color .2s ease,box-shadow .2s ease,transform .15s ease,border-color .2s ease;
}
.btn-lg-cta{
  height:48px;
  padding:0 28px;
  display:inline-flex;
  align-items:center;
  gap:8px;
}
.btn-primary{
  background:var(--brand);
  border:1px solid var(--brand);
  color:#fff;
}
.btn-primary:hover,.btn-primary:focus{
  background:var(--brand-hover);
  border-color:var(--brand-hover);
  color:#fff;
  box-shadow:0 10px 20px rgba(30,86,214,.24);
}
.btn-primary:active{transform:translateY(1px);}
.btn-outline-brand{
  background:#fff;
  border:1px solid var(--brand);
  color:var(--brand);
}
.btn-outline-brand:hover{background:var(--brand-soft);color:var(--brand-hover);border-color:var(--brand-hover);}
.btn-accent{
  background:var(--accent);
  border:1px solid var(--accent);
  color:#fff;
}
.btn-accent:hover{background:var(--accent-hover);border-color:var(--accent-hover);color:#fff;box-shadow:0 10px 20px rgba(232,95,42,.22);}
.btn-accent:active{transform:translateY(1px);}
.btn-card-sm{
  height:36px;
  padding:0 16px;
  border-radius:var(--r-sm);
  font-size:14px;
  font-weight:700;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.btn[disabled],.btn:disabled{opacity:.5;box-shadow:none;cursor:not-allowed;}

/* ============ 标签 / 徽章 ============ */
.tag{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:var(--r-pill);
  background:var(--brand-soft);
  color:var(--brand);
  font-size:13px;
  font-weight:600;
}
.tag-accent{background:rgba(255,122,69,.12);color:var(--accent-hover);}
.tag-teal{background:rgba(18,179,154,.12);color:#0E8F7B;}
.badge-status{
  display:inline-flex;
  align-items:center;
  gap:6px;
  height:28px;
  padding:0 12px;
  border-radius:var(--r-pill);
  background:var(--bg-soft);
  border:1px solid var(--line);
  font-size:13px;
  font-weight:600;
  color:var(--text-2);
}
.dot-teal{width:7px;height:7px;border-radius:50%;background:var(--teal);display:inline-block;}

/* ============ 面包屑 ============ */
.breadcrumb-bar{
  display:flex;
  align-items:center;
  gap:8px;
  font-size:13px;
  font-weight:500;
  color:var(--text-3);
  padding:20px 0 0;
}
.breadcrumb-bar a{color:var(--text-3);}
.breadcrumb-bar a:hover{color:var(--brand);}
.breadcrumb-bar .sep{color:var(--brand);}
.breadcrumb-bar .current{color:var(--brand);font-weight:600;}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;
  overflow:hidden;
  padding:28px 0 72px;
  background:#fff;
  border-bottom:1px solid var(--line-soft);
}
.cat-hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  opacity:.14;
}
.cat-hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(30,86,214,.04) 0%,rgba(255,255,255,.86) 62%,#F5F7FB 100%);
}
.cat-hero .container{position:relative;z-index:2;}
.cat-hero-grid{
  display:grid;
  grid-template-columns:minmax(0,7fr) minmax(0,5fr);
  gap:48px;
  align-items:center;
  margin-top:26px;
}
.cat-hero h1{margin-bottom:16px;}
.cat-hero .lede{
  font-size:17px;
  line-height:1.9;
  color:var(--text-2);
  max-width:560px;
  margin-bottom:28px;
}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;}
.hero-badges .badge-status{background:#fff;}
.cat-hero-media{
  position:relative;
  border-radius:var(--r-card);
  overflow:hidden;
  border:1px solid var(--line-soft);
  box-shadow:var(--shadow);
  background:#EDF1F8;
}
.cat-hero-media img{width:100%;height:300px;object-fit:cover;}
.cat-hero-media .float-card{
  position:absolute;
  left:18px;bottom:18px;
  background:rgba(255,255,255,.96);
  border-radius:14px;
  padding:14px 18px;
  box-shadow:0 10px 24px rgba(16,24,40,.12);
  min-width:150px;
}
.float-card .num{font-size:24px;font-weight:800;color:var(--brand);line-height:1.2;}
.float-card .cap{font-size:13px;color:var(--text-3);font-weight:500;}

/* ============ 板块通用 ============ */
.section{padding:80px 0;}
.section-soft{background:var(--bg-soft);border-top:1px solid var(--line-soft);border-bottom:1px solid var(--line-soft);}
.section-white{background:#fff;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:24px;
  margin-bottom:36px;
}
.section-head .sub{
  margin-top:10px;
  font-size:15px;
  color:var(--text-2);
  line-height:1.8;
  max-width:680px;
}
.section-link{
  font-size:14px;
  font-weight:600;
  color:var(--brand);
  white-space:nowrap;
  display:inline-flex;
  align-items:center;
  gap:6px;
}
.section-link:hover{gap:10px;}

/* ============ 对比表 ============ */
.table-wrap{
  background:#fff;
  border:1px solid var(--line-soft);
  border-radius:var(--r-card);
  box-shadow:var(--shadow);
  overflow:hidden;
}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}
table.compare-table{
  width:100%;
  min-width:860px;
  border-collapse:collapse;
  font-size:15px;
}
table.compare-table thead th{
  background:rgba(30,86,214,.08);
  color:var(--brand);
  font-size:14px;
  font-weight:700;
  text-align:left;
  padding:18px 20px;
  white-space:nowrap;
  border-bottom:1px solid var(--line-soft);
}
table.compare-table tbody td{
  padding:18px 20px;
  color:var(--text-2);
  border-bottom:1px solid var(--line-soft);
  vertical-align:top;
  line-height:1.8;
}
table.compare-table tbody tr:nth-child(odd){background:var(--bg-soft);}
table.compare-table tbody tr:last-child td{border-bottom:none;}
table.compare-table tbody tr:hover{background:var(--brand-soft);}
table.compare-table td:first-child{color:var(--text);font-weight:700;}
.cell-tags{display:flex;flex-wrap:wrap;gap:6px;}
.meta-time{font-size:13px;color:var(--text-3);font-weight:500;}

/* ============ 卡片矩阵 ============ */
.matrix-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:24px;
}
.matrix-card{
  background:#fff;
  border:1px solid var(--line-soft);
  border-radius:var(--r-card);
  box-shadow:var(--shadow);
  overflow:hidden;
  display:flex;
  flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.matrix-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:var(--line-strong);
}
.matrix-cover{
  position:relative;
  background:#EDF1F8;
  aspect-ratio:16/9;
  overflow:hidden;
}
.matrix-cover img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.matrix-card:hover .matrix-cover img{transform:scale(1.04);}
.matrix-cover .tag{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.94);}
.matrix-body{padding:22px;display:flex;flex-direction:column;gap:14px;flex:1;}
.matrix-body h3{font-size:18px;}
.matrix-body .desc{font-size:14px;color:var(--text-2);line-height:1.8;margin:0;}
.kv-list{display:flex;flex-direction:column;gap:8px;margin:0;}
.kv-list li{
  display:flex;
  justify-content:space-between;
  gap:12px;
  font-size:13.5px;
  color:var(--text-2);
  padding-bottom:8px;
  border-bottom:1px dashed var(--line);
}
.kv-list li:last-child{border-bottom:none;padding-bottom:0;}
.kv-list li span:last-child{color:var(--text);font-weight:600;white-space:nowrap;}
.matrix-foot{margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;gap:12px;}
.matrix-foot .rate{display:flex;align-items:center;gap:4px;color:var(--teal);font-size:13px;font-weight:600;}

/* ============ 速览清单 ============ */
.quick-list{display:flex;flex-direction:column;gap:0;}
.quick-item{
  display:grid;
  grid-template-columns:96px minmax(0,1fr) 56px;
  gap:24px;
  align-items:center;
  padding:26px 0;
  border-bottom:1px dashed var(--line);
  transition:background-color .2s ease;
}
.quick-item:first-child{padding-top:8px;}
.quick-item:last-child{border-bottom:none;}
.quick-index{
  position:relative;
  width:72px;height:72px;
  border-radius:14px;
  background:var(--brand-10);
  display:flex;align-items:center;justify-content:center;
  font-size:26px;font-weight:800;color:var(--brand);
}
.quick-index::after{
  content:"";
  position:absolute;inset:0;
  border-radius:14px;
  border:1px solid rgba(30,86,214,.18);
}
.quick-main h3{font-size:18px;margin-bottom:6px;}
.quick-main p{margin:0;font-size:14.5px;color:var(--text-2);line-height:1.8;}
.quick-meta{display:flex;gap:10px;margin-top:10px;flex-wrap:wrap;}
.quick-arrow{
  width:44px;height:44px;
  border-radius:50%;
  border:1px solid var(--line);
  background:#fff;
  color:var(--brand);
  display:flex;align-items:center;justify-content:center;
  transition:background-color .2s ease,transform .2s ease,border-color .2s ease;
}
.quick-item:hover .quick-arrow{background:var(--brand);color:#fff;border-color:var(--brand);transform:translateX(4px);}

/* ============ CTA 条 ============ */
.cta-band{
  position:relative;
  overflow:hidden;
  background:var(--brand);
  border-radius:24px;
  padding:48px;
  display:grid;
  grid-template-columns:minmax(0,1fr) auto;
  gap:32px;
  align-items:center;
  color:#fff;
}
.cta-band::after{
  content:"";
  position:absolute;inset:0;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.06) 0 14px,rgba(255,255,255,0) 14px 28px);
  pointer-events:none;
}
.cta-band h2{color:#fff;margin-bottom:10px;}
.cta-band p{color:rgba(255,255,255,.84);margin:0;font-size:15px;}
.cta-right{display:flex;align-items:center;gap:20px;position:relative;z-index:2;}
.cta-qr{
  width:104px;height:104px;
  border-radius:16px;
  background:#fff;
  display:flex;flex-direction:column;
  align-items:center;justify-content:center;
  gap:4px;
  color:var(--brand);
  font-size:12px;
  font-weight:600;
}
.cta-qr i{font-size:34px;}
.cta-band .btn-accent{position:relative;z-index:2;}

/* ============ FAQ ============ */
.faq-wrap{max-width:860px;margin:0 auto;}
.faq-item{
  background:#fff;
  border:1px solid var(--line-soft);
  border-radius:16px;
  margin-bottom:14px;
  overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:var(--line-strong);}
.faq-item.is-open{border-color:var(--line-strong);box-shadow:var(--shadow);}
.faq-q{
  width:100%;
  background:none;
  border:none;
  padding:20px 22px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  text-align:left;
  font-size:16px;
  font-weight:600;
  color:var(--text);
  cursor:pointer;
}
.faq-q i{color:var(--brand);transition:transform .25s ease;font-size:14px;}
.faq-item.is-open .faq-q i{transform:rotate(180deg);}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .3s ease;
  background:var(--bg-soft);
  border-top:1px solid var(--line-soft);
}
.faq-a .faq-a-inner{padding:20px 22px;font-size:15px;color:var(--text-2);line-height:1.9;}

/* ============ 页脚 ============ */
.site-footer{
  background:#fff;
  border-top:1px solid var(--line-soft);
  padding:64px 0 28px;
  margin-top:0;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1.2fr;
  gap:40px;
}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-desc{font-size:14px;color:var(--text-2);line-height:1.85;margin:0;max-width:320px;}
.footer-title{font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:12px;}
.footer-links a{font-size:14px;color:var(--text-2);}
.footer-links a:hover{color:var(--brand);}
.footer-qr{
  display:inline-flex;
  align-items:center;
  gap:10px;
  padding:12px 16px;
  border:1px solid var(--line);
  border-radius:14px;
  color:var(--brand);
  font-size:14px;
  font-weight:600;
  margin-bottom:14px;
}
.footer-qr i{font-size:20px;}
.footer-note{font-size:13.5px;color:var(--text-3);line-height:1.8;margin:0;}
.footer-bottom{
  margin-top:48px;
  padding-top:22px;
  border-top:1px solid var(--line-soft);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13.5px;
  color:var(--text-3);
}
.footer-bottom a{color:var(--text-3);}
.footer-bottom a:hover{color:var(--brand);}
.footer-bottom .dot{margin:0 8px;color:var(--line-strong);}

/* ============ 移动端底部 CTA ============ */
.mobile-cta{
  display:none;
  position:fixed;
  left:0;right:0;bottom:0;
  height:64px;
  background:rgba(255,255,255,.98);
  border-top:1px solid var(--line-soft);
  box-shadow:0 -6px 20px rgba(16,24,40,.08);
  z-index:1050;
  padding:0 16px calc(0px + env(safe-area-inset-bottom));
  align-items:center;
  justify-content:space-between;
  gap:12px;
}
.mobile-cta .txt{font-size:13.5px;color:var(--text-2);font-weight:600;}
.mobile-cta .btn{height:44px;padding:0 22px;font-size:14px;}

/* 图片占位与失败态 */
.img-fallback{
  background:linear-gradient(90deg,#EDF1F8 25%,#E3E9F4 37%,#EDF1F8 63%);
  background-size:400% 100%;
  animation:shimmer 1.4s ease infinite;
}
@keyframes shimmer{0%{background-position:100% 0;}100%{background-position:0 0;}}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .container{padding-left:20px;padding-right:20px;}
}
@media (max-width:1023px){
  .nav-channels{display:none;}
  .hamburger{display:inline-flex;}
  .cat-hero-grid{grid-template-columns:1fr;gap:32px;}
  .cat-hero-media img{height:260px;}
  .matrix-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .section{padding:56px 0;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
  .cta-band{padding:36px;}
}
@media (max-width:767px){
  :root{--header-h:64px;}
  .brand-text{font-size:18px;}
  .brand-mark{width:32px;height:32px;border-radius:9px;font-size:13px;}
  .btn-cta-header{display:none;}
  .section{padding:48px 0;}
  .cat-hero{padding:20px 0 52px;}
  .cat-hero .lede{font-size:15.5px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:26px;}
  .cta-band{grid-template-columns:1fr;padding:30px 24px;border-radius:20px;}
  .cta-right{justify-content:space-between;width:100%;}
  .cta-qr{width:88px;height:88px;}
  .quick-item{grid-template-columns:64px minmax(0,1fr);gap:16px;}
  .quick-arrow{display:none;}
  .quick-index{width:56px;height:56px;font-size:20px;border-radius:12px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .mobile-cta{display:flex;}
  body{padding-bottom:72px;}
  .site-footer{padding-bottom:96px;}
}
@media (max-width:575px){
  .container{padding-left:16px;padding-right:16px;}
  .matrix-grid{grid-template-columns:1fr;gap:16px;}
  .search-form{flex-direction:column;align-items:stretch;}
  .search-btn{width:100%;}
  .hero-badges{gap:8px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .matrix-body{padding:18px;}
}

/* roulang page: category4 */
:root{
  --brand:#1E56D6;
  --brand-dark:#1643AA;
  --brand-soft:#EAF0FF;
  --brand-10:rgba(30,86,214,.10);
  --coral:#FF7A45;
  --coral-dark:#E85F2A;
  --teal:#12B39A;
  --bg:#F5F7FB;
  --surface:#FFFFFF;
  --surface-2:#FAFBFD;
  --text:#101828;
  --text-2:#5A6478;
  --text-3:#8A93A6;
  --line:#E6EAF2;
  --line-soft:#E9EDF5;
  --line-hover:#D8E1F5;
  --r-lg:18px;
  --r-md:14px;
  --r-sm:12px;
  --r-pill:999px;
  --shadow:0 8px 24px rgba(16,24,40,.06);
  --shadow-hover:0 12px 28px rgba(16,24,40,.10);
  --shadow-btn:0 10px 20px rgba(30,86,214,.24);
  --sec-pad:80px;

  --bs-primary:#1E56D6;
  --bs-primary-rgb:30,86,214;
  --bs-body-color:#101828;
  --bs-body-bg:#F5F7FB;
  --bs-border-color:#E6EAF2;
  --bs-border-radius:14px;
  --bs-link-color:#1E56D6;
  --bs-link-hover-color:#1643AA;
  --bs-font-sans-serif:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.9;
  color:var(--text);
  background:var(--bg);
  padding-top:72px;
}
h1,h2,h3,h4,h5{margin:0;font-weight:700;color:var(--text);}
h1{font-size:clamp(28px,4vw,42px);line-height:1.25;font-weight:800;letter-spacing:-.5px;}
h2{font-size:clamp(22px,2.4vw,30px);line-height:1.3;}
h3{font-size:20px;line-height:1.4;}
h4{font-size:17px;line-height:1.5;font-weight:600;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
img{max-width:100%;display:block;}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,background-color .2s ease;}
a:hover{color:var(--brand-dark);}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;}

.container{max-width:1200px;padding-left:24px;padding-right:24px;margin:0 auto;}
.section{padding:var(--sec-pad) 0;}
.section-alt{background:var(--surface-2);}

/* ---------- header / nav ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:1040;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 4px 16px rgba(16,24,40,.06);}
.header-inner{
  height:72px;display:flex;align-items:center;gap:20px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0;color:var(--text);}
.brand:hover{color:var(--text);}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--brand);
  color:#fff;font-size:14px;font-weight:800;letter-spacing:-.5px;
  display:inline-flex;align-items:center;justify-content:center;
}
.brand-text{font-size:20px;font-weight:800;letter-spacing:-.5px;line-height:1;}
.brand-text b{color:var(--brand);font-weight:800;}

.nav-channels{display:flex;align-items:center;gap:6px;margin-left:8px;flex:1;min-width:0;}
.nav-link-chip{
  display:inline-flex;align-items:center;height:40px;padding:0 16px;border-radius:var(--r-pill);
  font-size:15px;font-weight:500;color:var(--text-2);white-space:nowrap;
  transition:background-color .2s ease,color .2s ease;
}
.nav-link-chip:hover{background:var(--brand-soft);color:var(--brand);}
.nav-link-chip.active{background:var(--brand);color:#fff;font-weight:600;}

.header-actions{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.icon-btn{
  width:40px;height:40px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:#fff;color:var(--text-2);display:inline-flex;align-items:center;justify-content:center;
  cursor:pointer;transition:all .2s ease;
}
.icon-btn:hover{background:var(--brand-soft);color:var(--brand);border-color:var(--line-hover);}
.hamburger{
  display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;cursor:pointer;
}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text);}

/* ---------- buttons ---------- */
.btn{font-weight:600;border-radius:var(--r-sm);transition:all .2s ease;border:1px solid transparent;}
.btn:focus-visible{outline:2px solid var(--brand);outline-offset:2px;box-shadow:none;}
.btn-brand{
  background:var(--brand);color:#fff;border-color:var(--brand);
  height:48px;padding:0 28px;border-radius:var(--r-pill);font-weight:700;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
}
.btn-brand:hover{background:var(--brand-dark);border-color:var(--brand-dark);color:#fff;box-shadow:var(--shadow-btn);}
.btn-brand:active{transform:translateY(1px);box-shadow:none;}
.btn-outline-brand{
  background:#fff;color:var(--brand);border:1px solid var(--brand);
  height:48px;padding:0 28px;border-radius:var(--r-pill);font-weight:700;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
}
.btn-outline-brand:hover{background:var(--brand-soft);color:var(--brand-dark);}
.btn-coral{
  background:var(--coral);color:#fff;border-color:var(--coral);
  height:48px;padding:0 28px;border-radius:var(--r-pill);font-weight:700;
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
}
.btn-coral:hover{background:var(--coral-dark);border-color:var(--coral-dark);color:#fff;box-shadow:0 10px 20px rgba(255,122,69,.28);}
.btn-header{height:40px;padding:0 20px;font-size:15px;}
.btn-block{width:100%;}
.btn-sm-pill{height:36px;padding:0 16px;border-radius:var(--r-sm);font-size:14px;}

/* ---------- drawer ---------- */
.drawer-backdrop{
  position:fixed;inset:0;background:rgba(16,24,40,.42);opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;z-index:1050;
}
.drawer-backdrop.show{opacity:1;visibility:visible;}
.nav-drawer{
  position:fixed;top:0;right:0;height:100%;width:82vw;max-width:360px;background:#fff;z-index:1060;
  border-radius:20px 0 0 20px;padding:20px;transform:translateX(102%);
  transition:transform .28s ease;display:flex;flex-direction:column;gap:18px;overflow-y:auto;
}
.nav-drawer.show{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-nav{display:flex;flex-direction:column;border-top:1px solid var(--line);}
.drawer-nav a{
  padding:15px 4px;border-bottom:1px solid var(--line);color:var(--text);
  font-size:16px;font-weight:500;display:flex;align-items:center;justify-content:space-between;
}
.drawer-nav a::after{content:"\f054";font-family:"Font Awesome 6 Free";font-weight:900;font-size:12px;color:var(--text-3);}
.drawer-nav a.active{color:var(--brand);font-weight:700;}
.drawer-nav a.active::after{color:var(--brand);}

/* ---------- page hero ---------- */
.page-hero{position:relative;padding:52px 0 64px;background:#fff;overflow:hidden;}
.page-hero-bg{
  position:absolute;inset:0;
  background:url('/assets/images/backpic/back-1.png') center/cover no-repeat;
  opacity:.12;
}
.page-hero-veil{
  position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(30,86,214,.04) 0%,rgba(255,255,255,.94) 78%,#FFFFFF 100%);
}
.page-hero .container{position:relative;z-index:2;}
.breadcrumb-nav{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);font-weight:500;margin-bottom:18px;flex-wrap:wrap;}
.breadcrumb-nav a{color:var(--text-3);}
.breadcrumb-nav a:hover{color:var(--brand);}
.breadcrumb-nav .sep{color:var(--brand);}
.breadcrumb-nav .current{color:var(--brand);font-weight:600;}
.page-hero h1{max-width:760px;}
.page-hero-lead{margin-top:16px;font-size:16px;color:var(--text-2);max-width:640px;line-height:1.9;}
.hero-badges{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px;}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;height:34px;padding:0 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--line);font-size:13px;font-weight:500;color:var(--text-2);
}
.hero-badge i{color:var(--teal);font-size:7px;}

/* ---------- stat cards ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:36px;}
.stat-card{
  background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-lg);
  padding:22px 20px;box-shadow:var(--shadow);transition:all .2s ease;
}
.stat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-hover);}
.stat-num{font-size:30px;font-weight:800;color:var(--brand);letter-spacing:-.5px;line-height:1.2;}
.stat-num span{font-size:16px;font-weight:600;color:var(--text-2);margin-left:2px;}
.stat-label{margin-top:6px;font-size:13px;color:var(--text-3);font-weight:500;}

/* ---------- section head ---------- */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:32px;flex-wrap:wrap;}
.section-head p{font-size:14px;color:var(--text-3);margin-top:8px;}
.section-head .more-link{font-size:14px;font-weight:600;display:inline-flex;align-items:center;gap:6px;}

/* ---------- rank list ---------- */
.rank-list{background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-lg);box-shadow:var(--shadow);overflow:hidden;}
.rank-item{
  display:grid;grid-template-columns:64px 1fr auto;gap:20px;align-items:center;
  padding:26px 28px;border-bottom:1px dashed var(--line);
  transition:background-color .2s ease;
}
.rank-item:last-child{border-bottom:none;}
.rank-item:hover{background:var(--surface-2);}
.rank-num{
  font-size:24px;font-weight:800;color:var(--brand);letter-spacing:-.5px;
  position:relative;display:inline-block;
}
.rank-num::before{
  content:"";position:absolute;left:-8px;top:-6px;width:44px;height:36px;border-radius:10px;
  background:var(--brand-10);z-index:-1;
}
.rank-body h3{font-size:18px;margin-bottom:6px;}
.rank-body p{font-size:15px;color:var(--text-2);line-height:1.8;}
.rank-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:12px;}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 10px;border-radius:8px;
  background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:600;
}
.tag-muted{background:#F0F2F7;color:var(--text-3);}
.tag-coral{background:rgba(255,122,69,.12);color:var(--coral-dark);}
.rank-arrow{
  width:40px;height:40px;border-radius:var(--r-pill);border:1px solid var(--line);
  display:inline-flex;align-items:center;justify-content:center;color:var(--brand);
  background:#fff;transition:all .2s ease;flex-shrink:0;
}
.rank-arrow:hover{background:var(--brand);border-color:var(--brand);color:#fff;}

/* ---------- accordion ---------- */
.accordion-item{
  border:1px solid var(--line-soft)!important;border-radius:var(--r-md)!important;
  margin-bottom:14px;overflow:hidden;background:#fff;box-shadow:0 2px 8px rgba(16,24,40,.03);
}
.accordion-item:last-child{margin-bottom:0;}
.accordion-button{
  font-size:16px;font-weight:600;color:var(--text);background:#fff;
  padding:20px 22px;box-shadow:none!important;gap:14px;
}
.accordion-button::after{
  width:14px;height:14px;background-size:14px;
  transition:transform .25s ease;
}
.accordion-button:not(.collapsed){color:var(--brand);background:var(--surface-2);}
.accordion-button:not(.collapsed)::after{transform:rotate(-180deg);}
.accordion-button:hover{background:var(--brand-soft);}
.accordion-body{background:var(--surface-2);padding:20px;font-size:15px;color:var(--text-2);line-height:1.9;}
.accordion-body strong{color:var(--text);font-weight:600;}

/* ---------- voice cards ---------- */
.voice-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.voice-card{
  background:var(--surface-2);border:1px solid var(--line-soft);border-radius:var(--r-lg);
  padding:24px;display:flex;flex-direction:column;gap:14px;transition:all .2s ease;
}
.voice-card:hover{border-color:var(--line-hover);background:#fff;box-shadow:var(--shadow);}
.voice-card:nth-child(2n){margin-top:28px;}
.voice-head{display:flex;align-items:center;gap:12px;}
.avatar{
  width:44px;height:44px;border-radius:var(--r-pill);background:var(--brand-soft);color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;font-weight:800;font-size:15px;flex-shrink:0;
}
.voice-name{font-size:15px;font-weight:600;color:var(--text);}
.voice-role{font-size:13px;color:var(--text-3);}
.stars{display:flex;gap:3px;color:var(--teal);font-size:13px;}
.voice-text{font-size:15px;color:var(--text-2);line-height:1.85;}
.voice-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-3);flex-wrap:wrap;}
.voice-photo{border-radius:var(--r-md);overflow:hidden;background:#EDF1F8;}
.voice-photo img{width:100%;height:160px;object-fit:cover;}

/* ---------- timeline ---------- */
.timeline{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;}
.tl-item{background:#fff;border:1px solid var(--line-soft);border-radius:var(--r-lg);padding:22px 20px;box-shadow:var(--shadow);}
.tl-dot{width:10px;height:10px;border-radius:50%;background:var(--brand);display:inline-block;margin-bottom:14px;}
.tl-date{font-size:13px;font-weight:600;color:var(--brand);}
.tl-title{font-size:16px;font-weight:700;margin-top:8px;}
.tl-text{font-size:14px;color:var(--text-2);margin-top:8px;line-height:1.8;}

/* ---------- CTA band ---------- */
.cta-band{
  background:var(--brand);border-radius:24px;padding:44px 44px;color:#fff;position:relative;overflow:hidden;
  display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(135deg,rgba(255,255,255,.06) 0 12px,transparent 12px 24px);
  pointer-events:none;
}
.cta-band > *{position:relative;z-index:1;}
.cta-band h2{color:#fff;font-size:clamp(20px,2.2vw,26px);}
.cta-band p{color:rgba(255,255,255,.86);font-size:15px;margin-top:10px;line-height:1.8;}
.cta-right{display:flex;align-items:center;gap:20px;}
.qr-box{
  width:104px;height:104px;border-radius:var(--r-md);background:#fff;color:var(--brand);
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:4px;
  font-size:12px;font-weight:600;
}
.qr-box i{font-size:26px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto;}

/* ---------- footer ---------- */
.site-footer{background:#fff;border-top:1px solid var(--line);padding:64px 0 0;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:44px;}
.footer-brand{display:inline-flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{width:32px;height:32px;font-size:13px;}
.footer-brand .brand-text{font-size:19px;}
.footer-desc{font-size:14px;color:var(--text-2);line-height:1.85;max-width:320px;}
.footer-title{font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:11px;}
.footer-links a{font-size:14px;color:var(--text-2);}
.footer-links a:hover{color:var(--brand);}
.footer-qr{
  display:inline-flex;flex-direction:column;align-items:center;justify-content:center;gap:6px;
  width:104px;height:104px;border-radius:var(--r-md);border:1px dashed var(--line);
  color:var(--brand);background:var(--surface-2);font-size:12px;font-weight:600;
}
.footer-qr i{font-size:24px;}
.footer-note{font-size:13px;color:var(--text-3);margin-top:14px;line-height:1.8;max-width:280px;}
.footer-bottom{
  border-top:1px solid var(--line);padding:20px 0;display:flex;align-items:center;justify-content:space-between;
  gap:16px;flex-wrap:wrap;font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3);}
.footer-bottom a:hover{color:var(--brand);}
.footer-bottom .dot{margin:0 8px;color:var(--line-hover);}

/* ---------- mobile cta bar ---------- */
.mobile-cta-bar{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:1030;
  background:#fff;border-top:1px solid var(--line);
  padding:8px 16px calc(8px + env(safe-area-inset-bottom));
  gap:10px;box-shadow:0 -4px 16px rgba(16,24,40,.06);
}
.mobile-cta-bar .btn{flex:1;height:46px;padding:0 12px;font-size:15px;}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .nav-link-chip{padding:0 12px;font-size:14px;}
}
@media (max-width:991px){
  :root{--sec-pad:56px;}
  .nav-channels,.btn-header{display:none;}
  .hamburger{display:flex;}
  .stat-grid{grid-template-columns:repeat(2,1fr);gap:16px;}
  .timeline{grid-template-columns:repeat(2,1fr);gap:16px;}
  .cta-band{grid-template-columns:1fr;padding:32px 28px;}
  .cta-right{justify-content:flex-start;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
}
@media (max-width:767px){
  body{padding-top:64px;padding-bottom:76px;}
  .header-inner{height:64px;}
  .container{padding-left:16px;padding-right:16px;}
  .page-hero{padding:36px 0 44px;}
  .voice-grid{grid-template-columns:1fr;}
  .voice-card:nth-child(2n){margin-top:0;}
  .rank-item{grid-template-columns:1fr;gap:12px;padding:22px 20px;}
  .rank-arrow{justify-self:flex-start;}
  .mobile-cta-bar{display:flex;}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:26px;padding-bottom:32px;}
  .footer-desc{max-width:none;}
}
@media (max-width:575px){
  :root{--sec-pad:40px;}
  .stat-grid{grid-template-columns:1fr;}
  .timeline{grid-template-columns:1fr;}
  .section-head{margin-bottom:24px;}
  .cta-band{padding:28px 22px;border-radius:20px;}
  .qr-box{width:88px;height:88px;}
}