/* roulang page: index */
:root{
  --brand:#E0216B;
  --brand-deep:#B01454;
  --accent:#B8E62E;
  --ink:#171225;
  --ink-2:#4E4859;
  --ink-3:#8B8499;
  --bg:#FFFFFF;
  --bg-soft:#F5F3F8;
  --bg-dark:#150F22;
  --line:#E7E3EE;
  --ok:#1FA97A;
  --warn:#E8A13A;
  --danger:#D93A3A;
  --dark-text:#C9C4D4;
  --r-card:16px;
  --r-btn:12px;
  --r-input:10px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(23,18,37,.06);
  --sh-hover:0 14px 30px -14px rgba(224,33,107,.28);
  --sh-nav:0 8px 24px -16px rgba(23,18,37,.24);
  --container:1200px;
  --gap:24px;
  --sec-y:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--ink-2);
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans CJK SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease,background-color .2s ease;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
button,input{font:inherit;color:inherit;}
input{-webkit-appearance:none;appearance:none;}
.num{font-family:Inter,"DIN Alternate","Helvetica Neue",Arial,sans-serif;font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
:focus{outline:none;}
:focus-visible{outline:3px solid rgba(224,33,107,.32);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.section{padding:var(--sec-y) 0;scroll-margin-top:120px;}
.section--soft{background:var(--bg-soft);}
.section--dark{background:var(--bg-dark);color:var(--dark-text);position:relative;overflow:hidden;}
.section--dark::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.55) 1px,transparent 1px);
  background-size:12px 12px;opacity:.07;pointer-events:none;
}
.section--dark > *{position:relative;}
.stripe{height:4px;background:repeating-linear-gradient(45deg,var(--brand) 0 6px,var(--accent) 6px 12px);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;}
.sec-title{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.25;color:var(--ink);letter-spacing:-.01em;}
.section--dark .sec-title{color:#fff;}
.sec-desc{margin-top:10px;font-size:15px;color:var(--ink-3);max-width:640px;}
.section--dark .sec-desc{color:var(--dark-text);}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.08em;
  color:var(--brand);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:22px;height:3px;background:var(--brand);border-radius:2px;}
.section--dark .eyebrow{color:var(--accent);}
.section--dark .eyebrow::before{background:var(--accent);}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:14px 26px;border-radius:var(--r-btn);
  border:1px solid transparent;font-size:15px;font-weight:700;
  cursor:pointer;transition:transform .2s ease,background-color .2s ease,box-shadow .2s ease,color .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn:active{transform:translateY(1px);}
.btn--primary{background:var(--brand);color:#fff;box-shadow:var(--sh-1);}
.btn--primary:hover{background:var(--brand-deep);transform:translateY(-2px);box-shadow:var(--sh-hover);}
.btn--ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn--ghost:hover{background:var(--ink);color:#fff;}
.btn--ghost-light{background:transparent;border-color:rgba(255,255,255,.4);color:#fff;}
.btn--ghost-light:hover{background:#fff;color:var(--bg-dark);border-color:#fff;}
.btn--sm{min-height:38px;padding:9px 18px;font-size:14px;}
.btn--lg{min-height:52px;padding:16px 32px;font-size:16px;}
.btn[disabled]{opacity:.4;cursor:not-allowed;}
.text-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:700;font-size:14px;}
.text-link .arrow{transition:transform .2s ease;}
.text-link:hover .arrow{transform:translateX(4px);}

/* 标签 */
.badge{
  display:inline-flex;align-items:center;
  padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:700;line-height:1.6;
  background:rgba(224,33,107,.12);color:var(--brand);
}
.badge--ok{background:rgba(31,169,122,.12);color:var(--ok);}
.badge--warn{background:rgba(232,161,58,.12);color:var(--warn);}
.tag{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:var(--r-pill);
  border:1px solid var(--line);background:#fff;font-size:13px;color:var(--ink-2);
}
.tag:hover{border-color:var(--brand);color:var(--brand);}

/* 导航 */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s ease;}
.site-header.is-stuck{box-shadow:var(--sh-nav);}
.topbar{transition:height .25s ease;}
.topbar-inner{
  display:flex;align-items:center;gap:24px;
  height:64px;transition:height .25s ease;
}
.site-header.is-stuck .topbar-inner{height:56px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:34px;height:34px;border-radius:10px;background:var(--brand);
  color:#fff;font-weight:800;font-size:16px;display:grid;place-items:center;
  clip-path:polygon(0 0,100% 0,100% 74%,74% 100%,0 100%);
  letter-spacing:-.02em;
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-name{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-.01em;}
.brand-sub{font-size:11px;color:var(--ink-3);letter-spacing:.12em;text-transform:uppercase;}
.search-form{display:flex;align-items:center;gap:0;flex:1 1 auto;max-width:420px;margin-left:auto;}
.search-form input{
  flex:1 1 auto;height:42px;padding:0 16px;
  border:1px solid var(--line);border-right:none;
  border-radius:var(--r-input) 0 0 var(--r-input);
  background:var(--bg-soft);font-size:14px;color:var(--ink);
}
.search-form input::placeholder{color:var(--ink-3);}
.search-form input:focus{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(224,33,107,.14);}
.search-form button{
  height:42px;padding:0 20px;border:none;border-radius:0 var(--r-input) var(--r-input) 0;
  background:var(--brand);color:#fff;font-size:14px;font-weight:700;cursor:pointer;
  transition:background-color .2s ease;
}
.search-form button:hover{background:var(--brand-deep);}
.topbar-links{display:flex;align-items:center;gap:18px;flex:0 0 auto;}
.topbar-links a{font-size:14px;color:var(--ink-2);}
.topbar-links a:hover{color:var(--brand);}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:12px;
  background:#fff;cursor:pointer;align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle.is-open span:nth-child(1){transform:translateY(6px) rotate(45deg);}
.nav-toggle.is-open span:nth-child(2){opacity:0;}
.nav-toggle.is-open span:nth-child(3){transform:translateY(-6px) rotate(-45deg);}
.tabsbar{border-top:1px solid var(--line);background:#fff;position:relative;}
.tabs-scroll{
  display:flex;align-items:center;gap:8px;height:48px;
  overflow-x:auto;overflow-y:hidden;
  -webkit-overflow-scrolling:touch;scroll-snap-type:x mandatory;
  scrollbar-width:none;
}
.tabs-scroll::-webkit-scrollbar{display:none;}
.tab{
  flex:0 0 auto;scroll-snap-align:center;
  display:inline-flex;align-items:center;height:34px;padding:0 16px;
  border-radius:var(--r-pill);font-size:14px;font-weight:600;color:var(--ink-2);
  transition:background-color .2s ease,color .2s ease;
}
.tab:hover{background:var(--bg-soft);color:var(--brand);}
.tab.is-active{background:var(--brand);color:#fff;}
.tabs-fade{position:absolute;top:0;bottom:0;width:24px;pointer-events:none;}
.tabs-fade--l{left:0;background:linear-gradient(90deg,#fff,rgba(255,255,255,0));}
.tabs-fade--r{right:0;background:linear-gradient(270deg,#fff,rgba(255,255,255,0));}

/* Hero */
.hero{background:var(--bg-dark);color:var(--dark-text);position:relative;overflow:hidden;}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.6) 1px,transparent 1px);
  background-size:12px 12px;opacity:.08;pointer-events:none;
}
.hero-inner{
  position:relative;display:grid;grid-template-columns:1.05fr .95fr;gap:56px;
  align-items:center;min-height:560px;padding:64px 0;
}
.hero h1{
  font-size:clamp(30px,4.6vw,52px);font-weight:800;line-height:1.15;
  letter-spacing:-.02em;color:#fff;margin-bottom:20px;
}
.hero h1 em{font-style:normal;color:var(--accent);}
.hero-lead{font-size:17px;line-height:1.8;color:var(--dark-text);max-width:520px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-stats{display:flex;gap:32px;margin-top:44px;padding-top:28px;border-top:1px solid rgba(255,255,255,.12);}
.stat{flex:1 1 0;}
.stat-num{font-size:44px;font-weight:800;color:#fff;line-height:1.1;display:block;}
.stat-num--accent{color:var(--accent);}
.stat-label{font-size:13px;color:var(--dark-text);margin-top:6px;}
.stat + .stat{border-left:1px solid rgba(255,255,255,.14);padding-left:32px;}
.hero-visual{position:relative;}
.hero-visual img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:20px;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 22px),calc(100% - 22px) 100%,0 100%);
}
.hero-visual::after{
  content:"";position:absolute;inset:auto -16px -16px auto;width:60%;height:56%;
  border:1px solid rgba(224,33,107,.7);border-radius:20px;z-index:-1;
}
.hero-float{
  position:absolute;left:-18px;bottom:24px;background:#fff;border-radius:14px;
  padding:14px 18px;box-shadow:0 14px 30px -14px rgba(0,0,0,.4);min-width:180px;
}
.hero-float strong{display:block;font-size:14px;color:var(--ink);}
.hero-float span{font-size:12px;color:var(--ink-3);}

/* 卖点 7:5 */
.value-grid{display:grid;grid-template-columns:7fr 5fr;gap:var(--gap);align-items:stretch;}
.value-side{display:grid;grid-template-rows:1fr 1fr;gap:var(--gap);}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-3px);border-color:var(--brand);box-shadow:var(--sh-hover);}
.value-main{overflow:hidden;display:flex;flex-direction:column;}
.value-main img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.value-main-body{padding:28px 32px 32px;}
.value-main h3{font-size:22px;color:var(--ink);margin-bottom:12px;}
.value-main p{font-size:15px;color:var(--ink-2);}
.value-main .text-link{margin-top:18px;}
.value-mini{padding:26px 28px;position:relative;overflow:hidden;}
.value-mini .ghost-num{
  display:block;font-size:64px;font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:1px rgba(224,33,107,.45);
  margin-bottom:10px;letter-spacing:-.02em;
}
.value-mini h3{font-size:20px;color:var(--ink);margin-bottom:8px;}
.value-mini p{font-size:14px;color:var(--ink-2);}

/* 场景 */
.scene-wrap{display:grid;grid-template-columns:260px 1fr;gap:40px;align-items:start;}
.scene-tabs{display:flex;flex-direction:column;gap:12px;}
.scene-tab{
  text-align:left;padding:16px 20px;border-radius:14px;border:1px solid var(--line);
  background:#fff;cursor:pointer;font-size:15px;font-weight:700;color:var(--ink-2);
  transition:all .2s ease;
}
.scene-tab small{display:block;font-size:12px;font-weight:400;color:var(--ink-3);margin-top:4px;}
.scene-tab:hover{border-color:var(--brand);color:var(--brand);}
.scene-tab.is-active{background:var(--brand);border-color:var(--brand);color:#fff;}
.scene-tab.is-active small{color:rgba(255,255,255,.78);}
.scene-panel{display:none;}
.scene-panel.is-active{display:block;animation:fadeUp .35s ease both;}
@keyframes fadeUp{from{opacity:0;transform:translateY(10px);}to{opacity:1;transform:translateY(0);}}
.scene-media{position:relative;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);}
.scene-media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.scene-overlay{
  position:absolute;left:0;right:0;bottom:0;padding:24px 26px;
  background:linear-gradient(180deg,rgba(21,15,34,0),rgba(21,15,34,.86));
  color:#fff;
}
.scene-overlay ul{display:flex;flex-wrap:wrap;gap:10px;}
.scene-overlay li{
  font-size:13px;padding:5px 12px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.22);
}
.scene-note{margin-top:20px;font-size:15px;color:var(--ink-2);}
.scene-note .text-link{margin-top:10px;display:inline-flex;}

/* 最新信息 */
.news-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:var(--gap);}
.news-card{overflow:hidden;display:flex;flex-direction:column;}
.news-card img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--bg-soft);}
.news-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto;}
.news-title{
  font-size:17px;font-weight:700;color:var(--ink);line-height:1.55;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-card:hover .news-title{color:var(--brand);}
.news-sum{
  font-size:14px;color:var(--ink-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;padding-top:12px;border-top:1px dashed var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  font-size:13px;color:var(--ink-3);
}
.news-meta .arrow{color:var(--brand);font-weight:700;transition:transform .2s ease;}
.news-card:hover .news-meta .arrow{transform:translateX(4px);}
.empty-state{
  min-height:220px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;padding:40px 24px;text-align:center;
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-card);
}
.empty-state svg{width:40px;height:40px;stroke:var(--ink-3);fill:none;stroke-width:1.6;}
.empty-state p{font-size:15px;color:var(--ink-3);}

/* 社会认同 */
.proof-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--gap);}
.proof-card{
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--r-card);padding:26px;
}
.proof-user{display:flex;align-items:center;gap:12px;margin-bottom:14px;}
.proof-avatar{
  width:48px;height:48px;border-radius:50%;object-fit:cover;background:#2A2138;flex:0 0 auto;
}
.proof-name{font-size:15px;font-weight:700;color:#fff;}
.proof-role{font-size:12px;color:var(--dark-text);}
.proof-card p{font-size:14px;color:var(--dark-text);}
.logo-row{
  display:grid;grid-template-columns:repeat(6,1fr);gap:16px;
  margin-top:44px;padding-top:32px;border-top:1px solid rgba(255,255,255,.12);
}
.logo-chip{
  height:56px;border-radius:12px;border:1px solid rgba(255,255,255,.14);
  display:grid;place-items:center;font-size:13px;font-weight:700;color:#fff;
  filter:grayscale(1);opacity:.4;transition:opacity .25s ease,filter .25s ease,border-color .25s ease;
}
.logo-chip:hover{opacity:1;filter:none;border-color:var(--accent);}

/* FAQ */
.faq-wrap{max-width:800px;margin:0 auto;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 0 22px 0;background:none;border:none;cursor:pointer;text-align:left;
  font-size:16px;font-weight:700;color:var(--ink);border-left:3px solid transparent;
  padding-left:16px;transition:border-color .2s ease,color .2s ease;
}
.faq-item.is-open .faq-q{border-left-color:var(--brand);color:var(--brand);}
.faq-icon{flex:0 0 auto;width:22px;height:22px;position:relative;}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:currentColor;border-radius:2px;
  transform:translate(-50%,-50%);transition:transform .25s ease,opacity .25s ease;
}
.faq-icon::before{width:14px;height:2px;}
.faq-icon::after{width:2px;height:14px;}
.faq-item.is-open .faq-icon::after{transform:translate(-50%,-50%) rotate(90deg);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a-inner{padding:0 16px 24px;font-size:15px;line-height:1.8;color:var(--ink-2);}

/* CTA */
.cta-band{background:var(--bg-dark);color:var(--dark-text);position:relative;overflow:hidden;}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.55) 1px,transparent 1px);
  background-size:12px 12px;opacity:.07;
}
.cta-inner{
  position:relative;display:flex;align-items:center;justify-content:space-between;gap:40px;
  padding:64px 0;
}
.cta-inner h2{font-size:clamp(22px,2.6vw,30px);color:#fff;font-weight:700;line-height:1.3;}
.cta-inner p{margin-top:10px;font-size:15px;color:var(--dark-text);}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.cta-contact{
  position:relative;border-top:1px solid rgba(255,255,255,.12);
  padding:16px 0;font-size:13px;color:var(--dark-text);
  display:flex;flex-wrap:wrap;gap:20px;
}

/* 页脚 */
.site-footer{background:var(--bg-dark);color:var(--dark-text);padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:40px;padding-bottom:48px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-name{color:#fff;}
.site-footer p{font-size:14px;line-height:1.8;}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:var(--dark-text);}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0 96px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;font-size:13px;color:var(--ink-3);
}
.footer-bottom a:hover{color:var(--brand);}

/* 悬浮转化条 */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:70;
  display:flex;align-items:center;gap:10px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  padding:8px 10px 8px 18px;box-shadow:0 18px 40px -18px rgba(23,18,37,.4);
}
.float-cta span{font-size:14px;font-weight:700;color:var(--ink);}

/* 表单 */
.form-row{margin-bottom:18px;}
.form-row label{display:block;font-size:14px;font-weight:700;color:var(--ink);margin-bottom:8px;}
.form-row input{
  width:100%;height:46px;padding:0 14px;border:1px solid var(--line);
  border-radius:var(--r-input);background:#fff;font-size:15px;color:var(--ink);
}
.form-row input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(224,33,107,.14);}
.form-tip{font-size:13px;color:var(--ink-3);margin-top:6px;}
.form-success{
  display:none;margin-top:16px;padding:12px 16px;border-radius:10px;
  background:rgba(31,169,122,.1);color:var(--ok);font-size:14px;border:1px solid rgba(31,169,122,.24);
}

/* 引导条 */
.guide-band{background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:32px;display:grid;grid-template-columns:1.1fr .9fr;gap:40px;box-shadow:var(--sh-1);}
.guide-list li{display:flex;gap:12px;font-size:15px;color:var(--ink-2);margin-bottom:14px;}
.guide-list li::before{content:"";flex:0 0 auto;width:8px;height:8px;border-radius:50%;background:var(--brand);margin-top:10px;}

@media (max-width:1199px){
  .container{padding:0 26px;}
  .hero-inner{grid-template-columns:1fr;gap:40px;min-height:auto;padding:56px 0 72px;}
  .hero-visual img{aspect-ratio:16/9;}
  .hero-visual::after{display:none;}
  .hero-float{position:static;margin-top:16px;left:auto;bottom:auto;}
}
@media (max-width:1023px){
  :root{--sec-y:72px;}
  .topbar-links{display:none;}
  .nav-toggle{display:flex;}
  .search-form{display:none;}
  .value-grid{grid-template-columns:1fr;}
  .value-side{grid-template-rows:auto;grid-template-columns:1fr 1fr;}
  .scene-wrap{grid-template-columns:1fr;gap:24px;}
  .scene-tabs{flex-direction:row;overflow-x:auto;-webkit-overflow-scrolling:touch;padding-bottom:6px;scrollbar-width:none;}
  .scene-tabs::-webkit-scrollbar{display:none;}
  .scene-tab{flex:0 0 auto;min-width:200px;}
  .proof-grid{grid-template-columns:1fr;}
  .logo-row{grid-template-columns:repeat(3,1fr);}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:24px;}
  .guide-band{grid-template-columns:1fr;gap:24px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  :root{--sec-y:56px;}
  body{font-size:15px;line-height:1.8;}
  .container{padding:0 20px;}
  .brand-sub{display:none;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:32px;}
  .hero h1{font-size:clamp(28px,7vw,36px);}
  .hero-stats{flex-direction:column;gap:18px;}
  .stat + .stat{border-left:none;padding-left:0;border-top:1px solid rgba(255,255,255,.14);padding-top:16px;}
  .stat-num{font-size:36px;}
  .news-grid{grid-template-columns:1fr;}
  .value-side{grid-template-columns:1fr;}
  .logo-row{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr;}
  .float-cta{
    left:0;right:0;bottom:0;border-radius:0;border-left:none;border-right:none;border-bottom:none;
    justify-content:center;padding:10px 16px calc(10px + env(safe-area-inset-bottom));
  }
  .footer-bottom{padding-bottom:110px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .value-main-body{padding:22px 20px 26px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: article */
:root{
  --brand:#E0216B;
  --brand-deep:#B01454;
  --brand-soft:rgba(224,33,107,.12);
  --accent:#B8E62E;
  --ink:#171225;
  --ink-2:#4E4859;
  --ink-3:#8B8499;
  --bg:#FFFFFF;
  --bg-soft:#F5F3F8;
  --bg-dark:#150F22;
  --line:#E7E3EE;
  --dark-text:#C9C4D4;
  --ok:#1FA97A;
  --warn:#E8A13A;
  --danger:#D93A3A;
  --r-lg:16px;
  --r-md:12px;
  --r-sm:10px;
  --sh:0 1px 2px rgba(23,18,37,.06);
  --sh-hover:0 14px 30px -14px rgba(224,33,107,.28);
  --container:1200px;
  --nav-h:112px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-2);
  background:var(--bg);
}
img{max-width:100%;display:block;height:auto;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--brand);}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;line-height:1.3;}
p{margin:0 0 1.2em;}
p:last-child{margin-bottom:0;}
:focus-visible{outline:3px solid rgba(224,33,107,.35);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}
.nums{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--r-md);
  font-size:15px;font-weight:700;line-height:1;
  border:1px solid transparent;transition:all .22s ease;white-space:nowrap;min-height:44px;
}
.btn--primary{background:var(--brand);color:#fff;box-shadow:var(--sh);}
.btn--primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px);box-shadow:var(--sh-hover);}
.btn--primary:active{transform:translateY(1px);}
.btn--ghost{border-color:var(--ink);color:var(--ink);background:transparent;}
.btn--ghost:hover{background:var(--ink);color:#fff;}
.btn--light{border-color:rgba(255,255,255,.7);color:#fff;background:transparent;}
.btn--light:hover{background:#fff;color:var(--ink);}
.btn--sm{padding:10px 18px;font-size:14px;min-height:40px;}
.btn-link{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:700;font-size:14px;}
.btn-link .arrow{transition:transform .2s ease;display:inline-block;}
.btn-link:hover .arrow{transform:translateX(4px);}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;
  font-size:12px;font-weight:700;line-height:1.6;
  background:var(--brand-soft);color:var(--brand);
}
.badge--dark{background:rgba(184,230,46,.14);color:var(--accent);}
.tag-pill{
  display:inline-flex;align-items:center;padding:7px 16px;border-radius:999px;
  border:1px solid var(--line);background:#fff;font-size:13px;color:var(--ink-2);
  transition:all .2s ease;
}
.tag-pill:hover{border-color:var(--brand);color:var(--brand);}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:80;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s ease;}
.site-header.is-scrolled{box-shadow:0 8px 24px -16px rgba(23,18,37,.24);}
.topbar-inner{display:flex;align-items:center;gap:24px;height:64px;transition:height .25s ease;}
.site-header.is-scrolled .topbar-inner{height:56px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--brand);color:#fff;
  display:grid;place-items:center;font-size:19px;font-weight:800;flex:0 0 auto;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 11px),calc(100% - 11px) 100%,0 100%);
}
.brand-name{display:block;font-size:16px;font-weight:800;color:var(--ink);letter-spacing:.01em;}
.brand-sub{display:block;font-size:10px;letter-spacing:.18em;text-transform:uppercase;color:var(--ink-3);}
.search-form{display:flex;align-items:center;gap:8px;flex:1 1 auto;max-width:420px;margin-left:auto;}
.search-form input{
  flex:1 1 auto;height:44px;padding:0 16px;border:1px solid var(--line);
  border-radius:var(--r-sm);background:var(--bg-soft);font-size:14px;outline:none;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;min-width:0;
}
.search-form input::placeholder{color:var(--ink-3);}
.search-form input:focus{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(224,33,107,.18);}
.search-form button{
  height:44px;padding:0 20px;border-radius:var(--r-sm);background:var(--brand);color:#fff;
  font-size:14px;font-weight:700;transition:background .2s ease,transform .2s ease;
}
.search-form button:hover{background:var(--brand-deep);}
.search-form button:active{transform:translateY(1px);}
.topbar-links{display:flex;align-items:center;gap:18px;flex:0 0 auto;}
.topbar-links a{font-size:14px;color:var(--ink-2);}
.topbar-links a:hover{color:var(--brand);}
.topbar-links .btn{color:#fff;}
.nav-toggle{display:none;width:44px;height:44px;border-radius:var(--r-sm);border:1px solid var(--line);flex-direction:column;justify-content:center;align-items:center;gap:5px;}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.tabsbar{background:#fff;border-top:1px solid var(--line);}
.tabs-scroll{
  display:flex;gap:8px;overflow-x:auto;padding:8px 0;scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;scrollbar-width:none;
}
.tabs-scroll::-webkit-scrollbar{display:none;}
.tab{
  flex:0 0 auto;scroll-snap-align:start;padding:8px 16px;border-radius:999px;
  font-size:14px;color:var(--ink-2);white-space:nowrap;transition:all .2s ease;
}
.tab:hover{background:var(--bg-soft);color:var(--brand);}
.tab.is-active{background:var(--brand);color:#fff;font-weight:700;}
.tabs-fade{position:absolute;top:0;bottom:0;width:24px;pointer-events:none;}
.tabs-fade--l{left:0;background:linear-gradient(90deg,#fff,rgba(255,255,255,0));}
.tabs-fade--r{right:0;background:linear-gradient(270deg,#fff,rgba(255,255,255,0));}

/* ---------- 文章主区 ---------- */
main{scroll-margin-top:120px;}
.crumb{padding:22px 0 0;font-size:14px;color:var(--ink-3);}
.crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.crumb li{display:flex;align-items:center;gap:8px;}
.crumb li::after{content:"/";color:var(--line);}
.crumb li:last-child::after{display:none;}
.crumb li:last-child{color:var(--ink);}
.crumb a:hover{color:var(--brand);}

.article-head{padding:26px 0 30px;border-bottom:1px solid var(--line);}
.channel-line{display:flex;align-items:center;gap:12px;flex-wrap:wrap;margin-bottom:16px;}
.channel-line h2{font-size:20px;font-weight:700;}
.article-head h1{
  font-size:clamp(28px,3.6vw,40px);font-weight:800;line-height:1.22;letter-spacing:-.02em;
  max-width:900px;
}
.meta-line{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:18px;font-size:14px;color:var(--ink-3);}
.meta-line span{display:inline-flex;align-items:center;gap:6px;}
.meta-line .dot{width:4px;height:4px;border-radius:50%;background:var(--line);}

.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 240px;gap:56px;padding:44px 0 88px;}
.article-main{max-width:760px;}
.article-body{font-size:16px;line-height:1.9;color:var(--ink-2);}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  font-size:clamp(21px,2.2vw,26px);font-weight:700;color:var(--ink);
  margin:2.2em 0 .8em;padding-left:14px;position:relative;scroll-margin-top:120px;
}
.article-body h2::before{content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:2px;background:var(--brand);}
.article-body h3{font-size:19px;font-weight:700;margin:1.8em 0 .6em;color:var(--ink);scroll-margin-top:120px;}
.article-body h4{font-size:17px;font-weight:700;margin:1.5em 0 .5em;color:var(--ink);}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:2px;}
.article-body ul li{position:relative;padding-left:20px;margin-bottom:.6em;}
.article-body ul li::before{content:"";position:absolute;left:2px;top:.75em;width:7px;height:7px;border-radius:50%;background:var(--brand);}
.article-body ol{counter-reset:olc;}
.article-body ol li{position:relative;padding-left:28px;margin-bottom:.6em;counter-increment:olc;}
.article-body ol li::before{
  content:counter(olc);position:absolute;left:0;top:.28em;width:20px;height:20px;border-radius:6px;
  background:var(--brand-soft);color:var(--brand);font-size:12px;font-weight:800;display:grid;place-items:center;
}
.article-body blockquote{
  margin:1.6em 0;padding:18px 22px;background:var(--bg-soft);border-left:3px solid var(--accent);
  border-radius:0 var(--r-md) var(--r-md) 0;color:var(--ink-2);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:var(--r-md);margin:1.6em auto;max-width:100%;}
.article-body figure{margin:1.6em 0;}
.article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:10px;}
.article-body .table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;margin:1.6em 0;border:1px solid var(--line);border-radius:var(--r-md);}
.article-body table{width:100%;border-collapse:collapse;font-size:15px;min-width:520px;}
.article-body th,.article-body td{padding:12px 16px;border-bottom:1px solid var(--line);text-align:left;}
.article-body thead th{background:var(--bg-dark);color:#fff;font-weight:700;}
.article-body tbody tr:nth-child(even){background:var(--bg-soft);}
.article-body a{color:var(--brand);font-weight:600;}
.article-body a:hover{color:var(--brand-deep);}
.article-body code{background:var(--bg-soft);padding:2px 6px;border-radius:6px;font-size:14px;}

/* 目录 */
.toc{position:relative;}
.toc-inner{position:sticky;top:140px;}
.toc h3{font-size:14px;letter-spacing:.08em;text-transform:uppercase;color:var(--ink-3);margin-bottom:14px;}
.toc ol{border-left:1px solid var(--line);}
.toc li a{
  display:block;padding:8px 0 8px 16px;font-size:14px;color:var(--ink-2);
  border-left:2px solid transparent;margin-left:-1px;line-height:1.5;
}
.toc li a:hover{color:var(--brand);}
.toc li a.is-current{color:var(--brand);font-weight:700;border-left-color:var(--brand);}
.toc-toggle{display:none;}

/* 空态 */
.empty-state{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  min-height:260px;padding:40px 24px;border:1px dashed var(--line);border-radius:var(--r-lg);
  background:var(--bg-soft);text-align:center;
}
.empty-state svg{width:44px;height:44px;stroke:var(--ink-3);fill:none;stroke-width:1.6;}
.empty-state p{color:var(--ink-2);margin:0;}
.empty-state .actions{display:flex;gap:12px;flex-wrap:wrap;justify-content:center;margin-top:6px;}

/* 文末 */
.article-foot{padding:0 0 88px;}
.foot-block{border-top:1px solid var(--line);padding-top:32px;margin-top:32px;}
.foot-block h3{font-size:20px;margin-bottom:18px;}
.tag-list{display:flex;flex-wrap:wrap;gap:10px;}
.rel-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:var(--brand);}
.card-media{aspect-ratio:16/9;background:var(--bg-soft);overflow:hidden;}
.card-media img{width:100%;height:100%;object-fit:cover;}
.card-body{padding:18px 20px 20px;display:flex;flex-direction:column;gap:10px;}
.card-title{
  font-size:16px;font-weight:700;color:var(--ink);line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card:hover .card-title{color:var(--brand);}
.card-meta{font-size:13px;color:var(--ink-3);display:flex;align-items:center;gap:8px;}
.foot-actions{display:flex;flex-wrap:wrap;align-items:center;gap:18px;margin-top:32px;}

/* 底部转化条 */
.floating-cta{
  position:fixed;right:32px;bottom:32px;z-index:70;display:flex;align-items:center;gap:12px;
  padding:12px 12px 12px 22px;border-radius:999px;background:var(--bg-dark);
  box-shadow:0 20px 40px -20px rgba(21,15,34,.6);
}
.floating-cta span{font-size:14px;color:var(--dark-text);}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-dark);color:var(--dark-text);padding:72px 0 96px;margin-top:20px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{width:34px;height:34px;font-size:17px;}
.footer-brand .brand-name{color:#fff;font-size:16px;}
.site-footer p{font-size:14px;line-height:1.8;color:var(--dark-text);max-width:320px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;}
.footer-col li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:var(--dark-text);}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  margin-top:48px;padding-top:24px;border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;color:var(--ink-3);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .article-layout{gap:40px;}
}
@media (max-width:1023px){
  .container{padding:0 24px;}
  .search-form{display:none;}
  .topbar-links a:not(.btn){display:none;}
  .nav-toggle{display:flex;}
  .topbar-links{display:none;}
  .topbar-links.is-open{
    display:flex;position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:flex-start;
    gap:14px;padding:20px 24px;background:#fff;border-bottom:1px solid var(--line);
    box-shadow:0 18px 30px -22px rgba(23,18,37,.3);
  }
  .topbar-links.is-open a:not(.btn){display:block;font-size:15px;}
  .topbar-inner{position:relative;}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:32px;}
  .toc-toggle{
    display:inline-flex;align-items:center;gap:8px;padding:10px 18px;border-radius:999px;
    border:1px solid var(--line);font-size:14px;font-weight:700;color:var(--ink);background:#fff;
  }
  .toc-inner{position:static;}
  .toc ol{display:none;border-left:0;margin-top:12px;}
  .toc.is-open ol{display:block;}
  .rel-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:767px){
  body{font-size:15px;}
  .container{padding:0 20px;}
  .brand-sub{display:none;}
  .article-head h1{font-size:clamp(23px,5.4vw,30px);}
  .article-layout{padding:32px 0 64px;}
  .rel-grid{grid-template-columns:minmax(0,1fr);}
  .footer-grid{grid-template-columns:1fr;}
  .floating-cta{
    left:0;right:0;bottom:0;border-radius:0;padding:10px 16px calc(10px + env(safe-area-inset-bottom));
    justify-content:space-between;
  }
  .floating-cta span{display:none;}
  .floating-cta .btn{flex:1 1 0;padding:12px 14px;}
  .site-footer{padding-bottom:120px;}
}
@media (max-width:559px){
  .search-form{display:none;}
  .article-body table{font-size:14px;}
  .meta-line{gap:8px;}
}
@media (prefers-reduced-motion: reduce){
  *{transition:none !important;animation:none !important;}
  .card:hover{transform:none;}
  .btn:hover{transform:none;}
}

/* roulang page: category1 */
:root{
  --brand:#E0216B;
  --brand-deep:#B01454;
  --accent:#B8E62E;
  --ink:#171225;
  --ink-2:#4E4859;
  --ink-3:#8B8499;
  --dark-text:#C9C4D4;
  --bg:#FFFFFF;
  --bg-soft:#F5F3F8;
  --bg-dark:#150F22;
  --line:#E7E3EE;
  --ok:#1FA97A;
  --warn:#E8A13A;
  --danger:#D93A3A;
  --r-card:16px;
  --r-btn:12px;
  --r-input:10px;
  --sh-1:0 1px 2px rgba(23,18,37,.06);
  --sh-2:0 14px 30px -14px rgba(224,33,107,.28);
  --sh-3:0 8px 24px -16px rgba(23,18,37,.24);
  --container:1200px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease}
button,input{font:inherit;color:inherit}
button{border:0;background:none;cursor:pointer}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:-.01em}
p{margin:0 0 1.2em}
p:last-child{margin-bottom:0}
ul{margin:0;padding:0}
:focus-visible{outline:3px solid rgba(224,33,107,.3);outline-offset:2px}
.sr-only{position:absolute;width:1px;height:1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap}

.container{
  max-width:var(--container);
  margin:0 auto;
  padding:0 32px;
}

/* ============ 按钮 / 徽章 ============ */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:44px;
  padding:12px 26px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:700;
  border:1px solid transparent;
  transition:transform .2s ease, background-color .2s ease, color .2s ease, box-shadow .2s ease, border-color .2s ease;
}
.btn:active{transform:translateY(1px)}
.btn--primary{background:var(--brand);color:#fff}
.btn--primary:hover{background:var(--brand-deep);transform:translateY(-2px);box-shadow:var(--sh-2)}
.btn--ghost{border-color:var(--ink);color:var(--ink);background:transparent}
.btn--ghost:hover{background:var(--ink);color:#fff}
.btn--ghost-light{border-color:rgba(255,255,255,.55);color:#fff;background:transparent}
.btn--ghost-light:hover{background:#fff;color:var(--ink)}
.btn--sm{min-height:38px;padding:9px 18px;font-size:14px}
.btn--lg{min-height:52px;padding:15px 34px;font-size:16px}
.btn--link{
  padding:0;min-height:0;color:var(--brand);font-weight:700;display:inline-flex;align-items:center;gap:6px;
}
.btn--link .arrow{transition:transform .2s ease;display:inline-block}
.btn--link:hover .arrow{transform:translateX(4px)}

.badge{
  display:inline-block;
  padding:4px 12px;
  border-radius:999px;
  background:rgba(224,33,107,.12);
  color:var(--brand);
  font-size:13px;
  font-weight:600;
  line-height:1.6;
}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:var(--sh-3)}
.topbar{position:relative}
.topbar-inner{
  display:flex;
  align-items:center;
  gap:24px;
  height:64px;
  transition:height .25s ease;
}
.site-header.is-scrolled .topbar-inner{height:56px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;
  display:grid;place-items:center;
  background:var(--brand);
  color:#fff;
  font-weight:800;
  font-size:19px;
  border-radius:10px;
  clip-path:polygon(0 0,100% 0,100% 68%,68% 100%,0 100%);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-size:16px;font-weight:800;color:var(--ink);letter-spacing:-.02em}
.brand-sub{font-size:10.5px;color:var(--ink-3);letter-spacing:.16em;text-transform:uppercase}

.search-form{
  display:flex;
  align-items:center;
  flex:1 1 auto;
  max-width:360px;
  height:40px;
  border:1px solid var(--line);
  border-radius:999px;
  padding:0 4px 0 16px;
  background:var(--bg-soft);
  transition:border-color .2s ease, box-shadow .2s ease, background-color .2s ease;
}
.search-form:focus-within{border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(224,33,107,.14)}
.search-form input{
  flex:1 1 auto;
  min-width:0;
  border:0;
  background:transparent;
  outline:none;
  font-size:14px;
  height:100%;
}
.search-form input::placeholder{color:var(--ink-3)}
.search-form button{
  flex:0 0 auto;
  height:32px;
  padding:0 16px;
  border-radius:999px;
  background:var(--brand);
  color:#fff;
  font-size:13px;
  font-weight:700;
  transition:background-color .2s ease;
}
.search-form button:hover{background:var(--brand-deep)}

.topbar-links{
  display:flex;
  align-items:center;
  gap:18px;
  margin-left:auto;
  flex:0 0 auto;
}
.topbar-links > a{font-size:14px;color:var(--ink-2);white-space:nowrap}
.topbar-links > a:hover{color:var(--brand)}
.topbar-links .btn--primary{color:#fff}
.topbar-links .btn--primary:hover{color:#fff}

.nav-toggle{
  display:none;
  width:44px;height:44px;
  flex-direction:column;
  align-items:center;
  justify-content:center;
  gap:5px;
  border-radius:var(--r-btn);
  border:1px solid var(--line);
  margin-left:auto;
}
.nav-toggle span{display:block;width:20px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
.site-header.nav-open .nav-toggle span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.site-header.nav-open .nav-toggle span:nth-child(2){opacity:0}
.site-header.nav-open .nav-toggle span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

.tabsbar{border-top:1px solid var(--line)}
.tabs-scroll{
  display:flex;
  gap:8px;
  padding:8px 0;
  overflow-x:auto;
  scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:none;
}
.tabs-scroll::-webkit-scrollbar{display:none}
.tab{
  flex:0 0 auto;
  scroll-snap-align:center;
  padding:8px 16px;
  border-radius:999px;
  font-size:14px;
  color:var(--ink-2);
  white-space:nowrap;
  transition:background-color .2s ease,color .2s ease;
}
.tab:hover{background:var(--bg-soft);color:var(--brand)}
.tab.is-active{background:var(--brand);color:#fff}
.tab.is-active:hover{color:#fff}
.tabs-fade{
  position:absolute;
  top:0;bottom:0;
  width:24px;
  pointer-events:none;
  display:none;
}
.tabs-fade--l{left:0;background:linear-gradient(to right,#fff,rgba(255,255,255,0))}
.tabs-fade--r{right:0;background:linear-gradient(to left,#fff,rgba(255,255,255,0))}

/* ============ 面包屑 ============ */
.breadcrumb{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:8px;
  font-size:14px;
  color:var(--ink-3);
  margin-bottom:18px;
}
.breadcrumb a{color:var(--ink-3)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{opacity:.6}
.breadcrumb [aria-current]{color:var(--ink)}

/* ============ Hero ============ */
.page-hero{
  background:var(--bg-soft);
  padding:48px 0 72px;
  position:relative;
  overflow:hidden;
}
.page-hero::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:4px;
  background:repeating-linear-gradient(45deg,var(--brand) 0 6px,var(--accent) 6px 12px);
  opacity:.9;
}
.hero-grid{
  display:grid;
  grid-template-columns:1.05fr .95fr;
  gap:56px;
  align-items:center;
}
.hero-copy .badge{margin-bottom:18px}
.page-hero h1{
  font-size:clamp(30px,4.2vw,46px);
  font-weight:800;
  line-height:1.15;
  letter-spacing:-.02em;
  margin-bottom:18px;
}
.hero-lead{
  font-size:17px;
  line-height:1.8;
  color:var(--ink-2);
  max-width:560px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin:28px 0 32px}
.hero-metrics{
  display:flex;
  gap:0;
  flex-wrap:wrap;
}
.hero-metrics .metric{
  padding:0 26px;
  border-left:1px solid var(--line);
}
.hero-metrics .metric:first-child{padding-left:0;border-left:0}
.metric-num{
  font-family:"Inter","DIN Alternate",system-ui,sans-serif;
  font-variant-numeric:tabular-nums;
  font-size:34px;
  font-weight:800;
  color:var(--ink);
  line-height:1.2;
}
.metric-num em{font-style:normal;font-size:16px;color:var(--brand);margin-left:2px}
.metric-label{font-size:13px;color:var(--ink-3)}

.hero-figure{position:relative}
.hero-figure::before{
  content:"";
  position:absolute;
  top:18px;left:18px;right:-18px;bottom:-18px;
  border:1px solid var(--brand);
  border-radius:var(--r-card);
  z-index:0;
}
.hero-figure img{
  position:relative;
  z-index:1;
  width:100%;
  aspect-ratio:3/2;
  object-fit:cover;
  border-radius:var(--r-card);
  background:var(--bg);
  border:1px solid var(--line);
  clip-path:polygon(0 0,calc(100% - 18px) 0,100% 18px,100% 100%,0 100%);
}

/* ============ 主体 ============ */
main{scroll-margin-top:120px}
.section{padding:88px 0}
.section--soft{background:var(--bg-soft)}

.overview-layout{
  display:grid;
  grid-template-columns:220px minmax(0,1fr);
  gap:56px;
  align-items:start;
}
.toc{
  position:sticky;
  top:132px;
  border-left:2px solid var(--line);
  padding-left:18px;
}
.toc-title{
  font-size:13px;
  letter-spacing:.1em;
  color:var(--ink-3);
  font-weight:700;
  margin-bottom:12px;
}
.toc ul{list-style:none}
.toc a{
  display:block;
  padding:9px 0;
  font-size:14px;
  color:var(--ink-2);
  border-left:2px solid transparent;
  margin-left:-20px;
  padding-left:18px;
  transition:color .2s ease,border-color .2s ease;
}
.toc a:hover{color:var(--brand)}
.toc a.is-current{color:var(--brand);font-weight:700;border-left-color:var(--brand)}
.toc-note{
  margin-top:20px;
  font-size:13px;
  color:var(--ink-3);
  line-height:1.7;
}

.block{
  padding-bottom:64px;
  margin-bottom:64px;
  border-bottom:1px solid var(--line);
  scroll-margin-top:132px;
}
.block:last-child{padding-bottom:0;margin-bottom:0;border-bottom:0}
.block h2{
  font-size:clamp(24px,3vw,32px);
  line-height:1.3;
  margin-bottom:18px;
}
.block h3{
  font-size:20px;
  margin:32px 0 12px;
}
.block p{font-size:16px}
.point-list{
  list-style:none;
  display:grid;
  gap:12px;
  margin:26px 0 6px;
}
.point-list li{
  position:relative;
  padding-left:26px;
  font-size:15.5px;
  line-height:1.8;
}
.point-list li::before{
  content:"";
  position:absolute;
  left:2px;top:12px;
  width:8px;height:8px;
  background:var(--brand);
  transform:rotate(45deg);
  border-radius:2px;
}
.point-list strong{color:var(--ink);font-weight:700}

.block figure{margin:30px 0 0}
.block figure img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  border-radius:var(--r-card);
  border:1px solid var(--line);
  background:var(--bg-soft);
}
.block figcaption{
  margin-top:12px;
  font-size:13px;
  color:var(--ink-3);
  text-align:center;
}

.path-grid{
  display:grid;
  grid-template-columns:repeat(3,minmax(0,1fr));
  gap:20px;
  margin:30px 0 6px;
}
.path-card{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:22px;
  box-shadow:var(--sh-1);
  transition:transform .25s ease, border-color .25s ease, box-shadow .25s ease;
}
.path-card:hover{transform:translateY(-3px);border-color:var(--brand);box-shadow:var(--sh-2)}
.path-card .path-no{
  font-family:"Inter","DIN Alternate",system-ui,sans-serif;
  font-size:38px;
  font-weight:800;
  line-height:1;
  color:transparent;
  -webkit-text-stroke:1px var(--brand);
  display:block;
  margin-bottom:12px;
}
.path-card h3{font-size:17px;margin:0 0 8px}
.path-card p{font-size:14px;color:var(--ink-2);margin:0}

/* ============ CTA 横条 ============ */
.cta-strip{
  background:var(--bg-dark);
  color:#fff;
  padding:56px 0;
  position:relative;
  overflow:hidden;
}
.cta-strip::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(255,255,255,.08) 1px,transparent 1px);
  background-size:12px 12px;
  pointer-events:none;
}
.cta-inner{
  position:relative;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  flex-wrap:wrap;
}
.cta-inner h2{color:#fff;font-size:clamp(22px,2.6vw,30px);margin-bottom:10px}
.cta-inner p{color:var(--dark-text);font-size:15px;margin:0}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.cta-contact{
  position:relative;
  margin-top:26px;
  padding-top:18px;
  border-top:1px solid rgba(255,255,255,.14);
  font-size:13px;
  color:var(--dark-text);
}
.cta-contact a{color:#fff;border-bottom:1px solid rgba(255,255,255,.4)}
.cta-contact a:hover{color:var(--brand)}

.back-row{
  padding:40px 0 0;
  display:flex;
  align-items:center;
  gap:18px;
  flex-wrap:wrap;
}
.back-row .muted{font-size:14px;color:var(--ink-3)}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--bg-dark);
  color:var(--dark-text);
  padding:64px 0 96px;
  font-size:14px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:40px;
}
.footer-brand{
  display:flex;
  align-items:center;
  gap:10px;
  margin-bottom:14px;
  color:#fff;
}
.footer-brand .brand-name{color:#fff;font-size:16px;font-weight:800}
.footer-grid > div > p{color:var(--dark-text);line-height:1.85;margin:0}
.footer-col h4{
  color:#fff;
  font-size:15px;
  margin:0 0 16px;
  font-weight:700;
}
.footer-col ul{list-style:none;display:grid;gap:10px}
.footer-col a{color:var(--dark-text)}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{
  margin-top:44px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.12);
  display:flex;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
}

/* ============ 悬浮转化条 ============ */
.float-cta{
  position:fixed;
  right:24px;
  bottom:24px;
  z-index:90;
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:999px;
  box-shadow:0 14px 30px -14px rgba(23,18,37,.4);
}
.float-cta .btn{min-height:40px;padding:9px 20px;font-size:14px}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .hero-grid{gap:40px}
}

@media (max-width:1023px){
  .container{padding:0 24px}
  .search-form{display:none}
  .nav-toggle{display:flex}
  .topbar-links{
    position:absolute;
    top:100%;
    left:0;right:0;
    display:none;
    flex-direction:column;
    align-items:stretch;
    gap:6px;
    margin:0;
    padding:14px 24px 18px;
    background:#fff;
    border-bottom:1px solid var(--line);
    box-shadow:var(--sh-3);
  }
  .site-header.nav-open .topbar-links{display:flex}
  .topbar-links > a{padding:10px 0;font-size:15px;border-bottom:1px solid var(--line)}
  .topbar-links .btn{margin-top:10px;width:100%}
  .tabs-fade{display:block}
  .hero-grid{grid-template-columns:1fr;gap:36px}
  .hero-figure::before{right:-12px;bottom:-12px;top:12px;left:12px}
  .section{padding:72px 0}
  .overview-layout{grid-template-columns:1fr;gap:32px}
  .toc{
    position:static;
    border-left:0;
    padding-left:0;
    border:1px solid var(--line);
    border-radius:var(--r-card);
    padding:16px 18px;
    background:var(--bg-soft);
  }
  .toc ul{display:flex;gap:10px;overflow-x:auto;-webkit-overflow-scrolling:touch;scrollbar-width:none;padding-bottom:4px}
  .toc ul::-webkit-scrollbar{display:none}
  .toc a{
    margin:0;
    padding:7px 14px;
    border:1px solid var(--line);
    border-radius:999px;
    background:#fff;
    white-space:nowrap;
  }
  .toc a.is-current{border-color:var(--brand);color:var(--brand)}
  .toc-note{display:none}
  .path-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}

@media (max-width:767px){
  body{font-size:15px;line-height:1.8}
  .container{padding:0 20px}
  .brand-sub{display:none}
  .brand-name{font-size:15px}
  .page-hero{padding:32px 0 56px}
  .hero-lead{font-size:16px}
  .hero-actions{gap:12px;margin:24px 0 28px}
  .hero-actions .btn{width:100%}
  .hero-metrics{gap:18px 0}
  .hero-metrics .metric{padding:0 18px}
  .metric-num{font-size:28px}
  .section{padding:56px 0}
  .block{padding-bottom:48px;margin-bottom:48px}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:24px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .site-footer{padding:48px 0 104px}
  .footer-bottom{flex-direction:column;gap:8px}
  .float-cta{
    right:0;left:0;bottom:0;
    border-radius:0;
    padding:8px 16px calc(8px + env(safe-area-inset-bottom));
    justify-content:space-between;
    gap:8px;
  }
  .float-cta .btn{flex:1 1 0;padding:9px 12px}
}

@media (max-width:559px){
  .hero-metrics .metric{border-left:0;padding:0;flex:1 1 45%}
  .path-card{padding:18px}
  .breadcrumb{font-size:13px}
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  html{scroll-behavior:auto}
  .btn:hover,.path-card:hover{transform:none}
}

/* roulang page: category2 */
:root{
  --brand:#E0216B;
  --brand-deep:#B01454;
  --accent:#B8E62E;
  --ink:#171225;
  --ink-2:#4E4859;
  --ink-3:#8B8499;
  --bg:#FFFFFF;
  --bg-soft:#F5F3F8;
  --bg-dark:#150F22;
  --line:#E7E3EE;
  --ok:#1FA97A;
  --warn:#E8A13A;
  --danger:#D93A3A;
  --dark-text:#C9C4D4;
  --radius-card:16px;
  --radius-btn:12px;
  --radius-input:10px;
  --shadow-sm:0 1px 2px rgba(23,18,37,.06);
  --shadow-hover:0 14px 30px -14px rgba(224,33,107,.28);
  --topbar-h:64px;
  --tabsbar-h:48px;
  --font-cn:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Source Han Sans",sans-serif;
  --font-num:"Inter","DIN Alternate","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:var(--font-cn);
  font-size:16px;
  line-height:1.85;
  color:var(--ink-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
  padding-bottom:72px;
}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;}
h1{font-size:clamp(30px,4.6vw,52px);font-weight:800;line-height:1.15;letter-spacing:-.02em;}
h2{font-size:clamp(24px,3vw,34px);line-height:1.25;}
h3{font-size:20px;line-height:1.4;}
h4{font-size:16px;line-height:1.5;}
p{margin:0 0 1.2em;}
a{color:var(--brand);text-decoration:none;transition:color .18s ease;}
a:hover{color:var(--brand-deep);}
img{max-width:100%;display:block;border:0;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
:focus-visible{outline:3px solid rgba(224,33,107,.32);outline-offset:2px;border-radius:6px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.num{font-family:var(--font-num);font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ============ Header ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:#fff;
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px -16px rgba(23,18,37,.24);}
.topbar{border-bottom:1px solid var(--line);}
.topbar-inner{
  display:flex;align-items:center;gap:20px;
  height:var(--topbar-h);
  transition:height .22s ease;
}
.site-header.is-scrolled .topbar-inner{height:56px;}
.site-header.is-scrolled{--topbar-h:56px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--ink);}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;
  display:flex;align-items:center;justify-content:center;
  background:var(--brand);color:#fff;
  font-family:var(--font-num);font-size:19px;font-weight:800;line-height:1;
  border-radius:11px;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:16px;font-weight:800;color:var(--ink);letter-spacing:-.01em;}
.brand-sub{font-family:var(--font-num);font-size:11px;color:var(--ink-3);letter-spacing:.08em;text-transform:uppercase;}
.search-form{display:flex;align-items:center;gap:8px;flex:1 1 auto;max-width:400px;margin-left:12px;}
.search-form input{
  flex:1 1 auto;min-width:0;height:40px;
  padding:0 14px;
  font-size:14px;color:var(--ink);
  background:var(--bg-soft);
  border:1px solid var(--line);
  border-radius:var(--radius-input);
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.search-form input::placeholder{color:var(--ink-3);}
.search-form input:focus{outline:none;background:#fff;border-color:var(--brand);box-shadow:0 0 0 3px rgba(224,33,107,.18);}
.search-form button{
  height:40px;padding:0 18px;
  font-size:14px;font-weight:700;color:#fff;
  background:var(--brand);border:0;border-radius:var(--radius-input);
  transition:background .18s ease,transform .18s ease;
}
.search-form button:hover{background:var(--brand-deep);}
.search-form button:active{transform:translateY(1px);}
.topbar-links{display:flex;align-items:center;gap:18px;margin-left:auto;flex:0 0 auto;}
.topbar-links a{font-size:14px;color:var(--ink-2);}
.topbar-links a:hover{color:var(--brand);}
.nav-toggle{
  display:none;width:44px;height:44px;padding:0;
  background:transparent;border:1px solid var(--line);border-radius:10px;
  flex-direction:column;align-items:center;justify-content:center;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.tabsbar{border-bottom:1px solid var(--line);background:#fff;}
.tabs-scroll{
  display:flex;align-items:center;gap:8px;
  height:var(--tabsbar-h);
  overflow-x:auto;overflow-y:hidden;
  scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;
  scrollbar-width:none;
}
.tabs-scroll::-webkit-scrollbar{display:none;}
.tab{
  flex:0 0 auto;scroll-snap-align:start;
  display:inline-flex;align-items:center;height:34px;
  padding:0 16px;border-radius:999px;
  font-size:14px;color:var(--ink-2);white-space:nowrap;
  transition:background .18s ease,color .18s ease;
}
.tab:hover{background:var(--bg-soft);color:var(--brand);}
.tab.is-active{background:var(--brand);color:#fff;font-weight:700;}
.tab.is-active:hover{background:var(--brand-deep);color:#fff;}
.tabs-fade{position:absolute;top:0;bottom:0;width:24px;pointer-events:none;display:none;}
.tabs-fade--l{left:0;background:linear-gradient(90deg,#fff,rgba(255,255,255,0));}
.tabs-fade--r{right:0;background:linear-gradient(270deg,#fff,rgba(255,255,255,0));}

/* ============ Buttons ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;
  height:48px;padding:0 26px;
  font-size:15px;font-weight:700;line-height:1;
  border-radius:var(--radius-btn);border:1px solid transparent;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn--primary{background:var(--brand);color:#fff;}
.btn--primary:hover{background:var(--brand-deep);color:#fff;transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.btn--primary:active{transform:translateY(0);}
.btn--ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn--ghost:hover{background:var(--ink);color:#fff;}
.btn--on-dark{background:transparent;color:#fff;border-color:rgba(255,255,255,.6);}
.btn--on-dark:hover{background:#fff;color:var(--bg-dark);border-color:#fff;}
.btn--sm{height:38px;padding:0 18px;font-size:14px;border-radius:10px;}
.link-arrow{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--brand);}
.link-arrow span{transition:transform .18s ease;}
.link-arrow:hover span{transform:translateX(4px);}

/* ============ Breadcrumb ============ */
.crumb-bar{background:#fff;border-bottom:1px solid var(--line);}
.crumb{display:flex;align-items:center;gap:8px;flex-wrap:wrap;padding:14px 0;font-size:13px;color:var(--ink-3);}
.crumb a{color:var(--ink-3);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:var(--line);}
.crumb .current{color:var(--ink);}

/* ============ Hero (narrow) ============ */
.page-hero{
  position:relative;overflow:hidden;
  background:var(--bg-dark);
  background-image:linear-gradient(100deg,rgba(21,15,34,.94) 0%,rgba(21,15,34,.80) 52%,rgba(21,15,34,.58) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:12px 12px;opacity:.06;pointer-events:none;
}
.hero-inner{position:relative;z-index:2;min-height:200px;padding:44px 0;display:flex;flex-wrap:wrap;align-items:center;gap:28px;}
.hero-copy{flex:1 1 420px;min-width:0;}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 12px;border-radius:6px;
  font-size:13px;font-weight:700;letter-spacing:.02em;
  color:#fff;background:rgba(224,33,107,.9);
  margin-bottom:16px;
}
.hero-eyebrow i{width:7px;height:7px;border-radius:50%;background:var(--accent);font-style:normal;}
.page-hero h1{color:#fff;font-size:clamp(26px,3.6vw,40px);}
.page-hero h1 em{font-style:normal;color:var(--accent);}
.hero-desc{margin:14px 0 0;font-size:15px;line-height:1.8;color:var(--dark-text);max-width:640px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px;}
.hero-tags span{
  padding:6px 14px;border-radius:999px;
  font-size:13px;color:#fff;
  border:1px solid rgba(255,255,255,.28);
  background:rgba(255,255,255,.06);
}
.hero-side{flex:0 0 auto;display:flex;gap:22px;}
.hero-stat{min-width:96px;}
.hero-stat b{display:block;font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:36px;font-weight:800;color:#fff;line-height:1.1;}
.hero-stat span{display:block;font-size:13px;color:var(--dark-text);margin-top:4px;}

/* ============ Section shell ============ */
.section{padding:88px 0;}
.section--soft{background:var(--bg-soft);}
.section--tight{padding-top:64px;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:40px;}
.section-head p{margin:10px 0 0;font-size:15px;color:var(--ink-3);max-width:660px;}
.section-title-line{display:flex;align-items:center;gap:12px;margin-bottom:12px;}
.section-title-line i{display:block;width:26px;height:4px;border-radius:2px;background:var(--brand);}
.strip{height:4px;background:repeating-linear-gradient(45deg,var(--brand) 0 6px,var(--accent) 6px 12px);}

/* ============ Card grid ============ */
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);
  overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-3px);border-color:var(--brand);box-shadow:var(--shadow-hover);}
.card-media{position:relative;aspect-ratio:16/9;background:var(--bg-soft);overflow:hidden;}
.card-media img{width:100%;height:100%;object-fit:cover;}
.card-badge{
  position:absolute;left:12px;top:12px;
  padding:4px 10px;border-radius:999px;
  font-size:12px;font-weight:700;
  color:var(--brand);background:rgba(224,33,107,.12);
  backdrop-filter:blur(2px);
}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1 1 auto;}
.card-body h3{font-size:19px;margin-bottom:10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-body p{font-size:14px;line-height:1.8;color:var(--ink-2);margin:0 0 18px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.card-body .link-arrow{margin-top:auto;}

/* ============ Metric strip ============ */
.metric-bar{
  display:grid;grid-template-columns:repeat(4,1fr);
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);
  box-shadow:var(--shadow-sm);overflow:hidden;
}
.metric{padding:30px 26px;border-right:1px solid var(--line);}
.metric:last-child{border-right:0;}
.metric b{display:block;font-family:var(--font-num);font-variant-numeric:tabular-nums;font-size:42px;font-weight:800;color:var(--ink);line-height:1.05;letter-spacing:-.02em;}
.metric b small{font-size:18px;font-weight:700;margin-left:2px;color:var(--brand);}
.metric span{display:block;margin-top:8px;font-size:14px;color:var(--ink-3);}

/* ============ Split points ============ */
.split{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start;}
.split-intro h2{margin-bottom:14px;}
.split-intro p{font-size:15px;color:var(--ink-2);}
.check-list{display:grid;grid-template-columns:1fr 1fr;gap:16px;}
.check-item{
  display:flex;gap:12px;align-items:flex-start;
  padding:18px 20px;background:#fff;
  border:1px solid var(--line);border-radius:14px;
  box-shadow:var(--shadow-sm);
  transition:border-color .2s ease,transform .2s ease;
}
.check-item:hover{border-color:var(--brand);transform:translateY(-2px);}
.check-item i{
  flex:0 0 22px;width:22px;height:22px;margin-top:6px;
  border-radius:50%;background:rgba(224,33,107,.12);
  position:relative;
}
.check-item i::after{
  content:"";position:absolute;left:7px;top:4px;
  width:7px;height:11px;border:2px solid var(--brand);
  border-top:0;border-left:0;transform:rotate(42deg);
}
.check-item p{margin:0;font-size:14px;line-height:1.7;color:var(--ink-2);}
.check-item strong{display:block;font-size:15px;color:var(--ink);margin-bottom:2px;}

/* ============ FAQ ============ */
.faq-wrap{max-width:820px;margin:0 auto;}
.faq-item{border:1px solid var(--line);border-radius:14px;background:#fff;margin-bottom:14px;overflow:hidden;transition:border-color .2s ease;}
.faq-item.is-open{border-color:rgba(224,33,107,.45);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;background:transparent;border:0;text-align:left;
  font-size:16px;font-weight:700;color:var(--ink);line-height:1.5;
}
.faq-q:hover{color:var(--brand);}
.faq-ico{position:relative;flex:0 0 20px;width:20px;height:20px;}
.faq-ico::before,.faq-ico::after{content:"";position:absolute;background:var(--brand);border-radius:2px;transition:transform .25s ease;}
.faq-ico::before{left:0;top:9px;width:20px;height:2px;}
.faq-ico::after{left:9px;top:0;width:2px;height:20px;}
.faq-item.is-open .faq-ico::after{transform:rotate(90deg);opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a-inner{padding:0 22px 22px;border-left:3px solid var(--brand);margin-left:0;font-size:15px;line-height:1.8;color:var(--ink-2);}
.faq-a-inner p:last-child{margin-bottom:0;}

/* ============ CTA banner ============ */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--bg-dark);
  padding:72px 0;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:12px 12px;opacity:.07;pointer-events:none;
}
.cta-inner{position:relative;z-index:2;display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-inner h2{color:#fff;max-width:600px;}
.cta-inner p{margin:12px 0 0;color:var(--dark-text);font-size:15px;max-width:620px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.cta-note{margin-top:22px;font-size:13px;color:rgba(201,196,212,.8);border-top:1px solid rgba(255,255,255,.1);padding-top:16px;}

/* ============ Footer ============ */
.site-footer{background:var(--bg-dark);color:var(--dark-text);padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-mark{width:32px;height:32px;flex:0 0 32px;font-size:17px;}
.footer-brand .brand-name{color:#fff;font-size:16px;font-weight:800;}
.site-footer p{font-size:14px;line-height:1.8;color:var(--dark-text);margin:0;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;}
.footer-col ul li{margin-bottom:10px;}
.footer-col a{font-size:14px;color:var(--dark-text);}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{
  margin-top:44px;padding-top:22px;
  border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(201,196,212,.75);
}

/* ============ Floating CTA ============ */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:70;
  display:flex;align-items:center;gap:10px;
  padding:10px 12px 10px 18px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  box-shadow:0 16px 36px -18px rgba(23,18,37,.5);
}
.float-cta span{font-size:13px;color:var(--ink-2);}
.float-cta .btn{height:40px;padding:0 18px;font-size:14px;border-radius:999px;}

/* ============ Responsive ============ */
@media (max-width:1024px){
  .container{padding:0 24px;}
  .search-form{max-width:260px;}
  .topbar-links a:not(.btn){display:none;}
  .card-grid{grid-template-columns:repeat(2,1fr);}
  .metric-bar{grid-template-columns:repeat(2,1fr);}
  .metric:nth-child(2){border-right:0;}
  .metric:nth-child(1),.metric:nth-child(2){border-bottom:1px solid var(--line);}
  .split{grid-template-columns:1fr;gap:32px;}
  .section{padding:72px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  body{font-size:15px;line-height:1.8;padding-bottom:84px;}
  .container{padding:0 20px;}
  .search-form{display:none;}
  .topbar-links .btn--sm{display:none;}
  .nav-toggle{display:flex;margin-left:auto;}
  .tabs-fade{display:block;}
  .tabs-scroll{padding:0 24px;}
  .hero-side{gap:20px;}
  .hero-stat b{font-size:30px;}
  .check-list{grid-template-columns:1fr;}
  .cta-band{padding:56px 0;}
  .float-cta{
    right:0;left:0;bottom:0;border-radius:0;
    padding:10px 16px calc(10px + env(safe-area-inset-bottom));
    justify-content:space-between;
  }
  .float-cta span{display:none;}
  .float-cta .btn{flex:1 1 auto;}
  .float-cta .btn + .btn{margin-left:10px;}
}
@media (max-width:560px){
  .card-grid{grid-template-columns:1fr;}
  .metric-bar{grid-template-columns:1fr;}
  .metric{border-right:0;border-bottom:1px solid var(--line);}
  .metric:last-child{border-bottom:0;}
  .section{padding:56px 0;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .hero-inner{padding:32px 0;}
  .cta-actions .btn{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *,*::before,*::after{animation-duration:.001ms !important;transition-duration:.001ms !important;}
  html{scroll-behavior:auto;}
  .card:hover,.btn:hover,.check-item:hover{transform:none;}
}

/* roulang page: category3 */
:root{
  --brand:#E0216B;
  --brand-deep:#B01454;
  --brand-soft:rgba(224,33,107,.12);
  --accent:#B8E62E;
  --ink:#171225;
  --ink-2:#4E4859;
  --ink-3:#8B8499;
  --bg:#FFFFFF;
  --bg-soft:#F5F3F8;
  --bg-dark:#150F22;
  --dark-text:#C9C4D4;
  --line:#E7E3EE;
  --ok:#1FA97A;
  --warn:#E8A13A;
  --danger:#D93A3A;
  --radius-card:16px;
  --radius-btn:12px;
  --radius-input:10px;
  --shadow-1:0 1px 2px rgba(23,18,37,.06);
  --shadow-hover:0 14px 30px -14px rgba(224,33,107,.28);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;}
a{color:inherit;text-decoration:none;transition:color .18s ease;}
button{font:inherit;color:inherit;background:none;border:none;cursor:pointer;}
input{font:inherit;}
h1,h2,h3,h4{color:var(--ink);margin:0;letter-spacing:-.01em;}
p{margin:0 0 1.1em;}
p:last-child{margin-bottom:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(224,33,107,.35);outline-offset:2px;border-radius:6px;}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:700;line-height:1;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,background-color .18s ease,color .18s ease,box-shadow .18s ease,border-color .18s ease;
  min-height:44px;
}
.btn:active{transform:translateY(1px);}
.btn--primary{background:var(--brand);color:#fff;box-shadow:0 8px 20px -12px rgba(224,33,107,.65);}
.btn--primary:hover{background:var(--brand-deep);transform:translateY(-2px);box-shadow:var(--shadow-hover);color:#fff;}
.btn--ghost{border-color:var(--ink);color:var(--ink);background:transparent;}
.btn--ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px);}
.btn--outline-light{border-color:rgba(255,255,255,.55);color:#fff;background:transparent;}
.btn--outline-light:hover{background:#fff;color:var(--ink);transform:translateY(-2px);}
.btn--sm{padding:10px 18px;font-size:14px;min-height:40px;}
.btn--lg{padding:17px 34px;font-size:16px;}
.btn[disabled]{opacity:.4;cursor:not-allowed;filter:saturate(.4);}
.link-more{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:700;font-size:15px;}
.link-more span{transition:transform .18s ease;display:inline-block;}
.link-more:hover span{transform:translateX(4px);}
.link-more:hover{color:var(--brand-deep);}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--bg);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px -16px rgba(23,18,37,.24);}
.topbar{height:64px;transition:height .25s ease;}
.site-header.is-scrolled .topbar{height:56px;}
.topbar-inner{position:relative;display:flex;align-items:center;gap:24px;height:100%;}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:11px;background:var(--brand);color:#fff;
  display:flex;align-items:center;justify-content:center;font-weight:800;font-size:19px;
  letter-spacing:-.02em;box-shadow:0 10px 22px -14px rgba(224,33,107,.9);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-name{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:-.01em;}
.brand-sub{font-size:11px;color:var(--ink-3);letter-spacing:.16em;text-transform:uppercase;}
.search-form{display:flex;align-items:center;flex:1;max-width:420px;margin-left:auto;}
.search-form input{
  flex:1;height:42px;padding:0 14px;border:1px solid var(--line);
  border-radius:var(--radius-input) 0 0 var(--radius-input);background:var(--bg-soft);
  color:var(--ink);font-size:14px;
}
.search-form input::placeholder{color:var(--ink-3);}
.search-form input:focus{outline:none;border-color:var(--brand);background:#fff;box-shadow:0 0 0 3px rgba(224,33,107,.18);}
.search-form button{
  height:42px;padding:0 20px;background:var(--brand);color:#fff;font-size:14px;font-weight:700;
  border-radius:0 var(--radius-input) var(--radius-input) 0;transition:background-color .18s ease;
}
.search-form button:hover{background:var(--brand-deep);}
.topbar-links{display:flex;align-items:center;gap:20px;flex-shrink:0;}
.topbar-links a{font-size:14px;color:var(--ink-2);font-weight:600;white-space:nowrap;}
.topbar-links a:hover{color:var(--brand);}
.topbar-links .btn{color:#fff;}
.topbar-links .btn:hover{color:#fff;}
.nav-toggle,.nav-search-btn{
  display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line);
  align-items:center;justify-content:center;flex-direction:column;gap:4px;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease;}
.nav-toggle:hover,.nav-search-btn:hover{border-color:var(--brand);}
.nav-search-btn svg{width:18px;height:18px;stroke:var(--ink);fill:none;stroke-width:2;}
.tabsbar{border-top:1px solid var(--line);height:48px;display:flex;align-items:center;background:var(--bg);}
.tabs-scroll{
  display:flex;align-items:center;gap:8px;overflow-x:auto;scroll-snap-type:x mandatory;
  -webkit-overflow-scrolling:touch;scrollbar-width:none;padding:6px 0;position:relative;
}
.tabs-scroll::-webkit-scrollbar{display:none;}
.tab{
  flex:0 0 auto;scroll-snap-align:start;padding:8px 16px;border-radius:999px;
  font-size:14px;font-weight:600;color:var(--ink-2);white-space:nowrap;
  transition:background-color .18s ease,color .18s ease;
}
.tab:hover{background:var(--bg-soft);color:var(--brand);}
.tab.is-active{background:var(--brand);color:#fff;box-shadow:0 8px 18px -12px rgba(224,33,107,.85);}
.tab.is-active:hover{background:var(--brand-deep);color:#fff;}
.tabs-fade{position:absolute;top:0;bottom:0;width:24px;pointer-events:none;}
.tabs-fade--l{left:0;background:linear-gradient(90deg,#fff,rgba(255,255,255,0));}
.tabs-fade--r{right:0;background:linear-gradient(270deg,#fff,rgba(255,255,255,0));}

main{scroll-margin-top:120px;}
section{scroll-margin-top:120px;}
.section{padding:96px 0;}
.section--soft{background:var(--bg-soft);}
.section--dark{background:var(--bg-dark);color:var(--dark-text);}
.section--dark h1,.section--dark h2,.section--dark h3{color:#fff;}
.section-head{max-width:760px;margin-bottom:52px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:.1em;
  color:var(--brand);text-transform:uppercase;margin-bottom:14px;
}
.section-head h2{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.25;margin-bottom:14px;}
.section-head p{font-size:16px;color:var(--ink-2);max-width:640px;}
.section--dark .section-head p{color:var(--dark-text);}
.stripe-bar{height:4px;background:repeating-linear-gradient(45deg,var(--brand) 0 6px,var(--accent) 6px 12px);}

/* ---------- breadcrumb + hero ---------- */
.breadcrumb{padding-top:28px;font-size:14px;color:var(--ink-3);}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;}
.breadcrumb li::after{content:"/";margin-left:8px;color:var(--line);}
.breadcrumb li:last-child::after{content:"";}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .current{color:var(--ink);font-weight:600;}
.hero-dark{
  position:relative;margin-top:20px;border-radius:24px;overflow:hidden;
  background-color:var(--bg-dark);color:var(--dark-text);
  padding:64px 56px;isolation:isolate;
}
.hero-dark::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background-image:url("/assets/images/backpic/back-2.png");
  background-size:cover;background-position:center;opacity:.34;
}
.hero-dark::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background-image:radial-gradient(rgba(255,255,255,.55) 1px,transparent 1px);
  background-size:12px 12px;opacity:.07;
}
.hero-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center;}
.hero-dark h1{
  font-size:clamp(30px,4.2vw,48px);font-weight:800;line-height:1.16;letter-spacing:-.02em;color:#fff;
  margin-bottom:18px;
}
.hero-dark h1 em{font-style:normal;color:var(--brand);}
.hero-dark .hero-sub{font-size:17px;color:#D8D3E2;max-width:520px;margin-bottom:28px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:32px;}
.hero-media{position:relative;}
.hero-media img{
  width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:18px;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 20px),calc(100% - 20px) 100%,0 100%);
  border:1px solid rgba(255,255,255,.14);
}
.hero-media::after{
  content:"";position:absolute;right:-14px;bottom:-14px;width:120px;height:120px;
  border:2px solid var(--brand);border-radius:18px;z-index:-1;
}
.hero-kpi{display:flex;flex-wrap:wrap;gap:0;border-top:1px solid rgba(255,255,255,.14);padding-top:24px;}
.hero-kpi .kpi{flex:1 1 0;min-width:120px;padding:0 22px;}
.hero-kpi .kpi:first-child{padding-left:0;}
.hero-kpi .kpi + .kpi{border-left:1px solid rgba(255,255,255,.16);}
.hero-kpi b{display:block;font-size:clamp(30px,3.6vw,44px);font-weight:800;color:#fff;line-height:1.1;}
.hero-kpi span{font-size:13px;color:var(--dark-text);}

/* ---------- steps ---------- */
.steps-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:40px 32px 32px;box-shadow:var(--shadow-1);}
.steps{display:grid;grid-template-columns:repeat(5,1fr);gap:16px;position:relative;}
.steps::before{
  content:"";position:absolute;left:9%;right:9%;top:34px;height:2px;
  background:linear-gradient(90deg,rgba(224,33,107,.5),rgba(224,33,107,.12));z-index:0;
}
.step{position:relative;z-index:1;text-align:center;display:flex;flex-direction:column;align-items:center;gap:10px;}
.step-num{
  font-size:52px;font-weight:800;line-height:1;color:transparent;
  -webkit-text-stroke:1px var(--brand);padding:0 14px;background:#fff;
}
.step-label{font-size:15px;font-weight:700;color:var(--ink);}
.step-link{font-size:13px;color:var(--brand);font-weight:600;}

/* ---------- step rows ---------- */
.step-row{display:grid;grid-template-columns:1fr 1fr;gap:64px;align-items:center;}
.step-row + .step-row{margin-top:96px;}
.step-row--rev .step-media{order:2;}
.step-media{position:relative;}
.step-media img{
  width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--radius-card);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 18px),calc(100% - 18px) 100%,0 100%);
  border:1px solid var(--line);background:var(--bg-soft);
}
.step-media .media-tag{
  position:absolute;left:18px;top:18px;padding:6px 14px;border-radius:999px;
  background:rgba(21,15,34,.82);color:#fff;font-size:13px;font-weight:700;letter-spacing:.04em;
}
.step-index{
  display:inline-block;font-size:13px;font-weight:800;letter-spacing:.16em;
  color:var(--brand);margin-bottom:12px;text-transform:uppercase;
}
.step-body h3{font-size:clamp(20px,2.2vw,24px);font-weight:700;margin-bottom:14px;line-height:1.35;}
.step-body p{font-size:16px;margin-bottom:18px;}
.tick-list{display:flex;flex-direction:column;gap:10px;}
.tick-list li{position:relative;padding-left:26px;font-size:15px;color:var(--ink-2);}
.tick-list li::before{
  content:"";position:absolute;left:0;top:9px;width:12px;height:12px;border-radius:4px;
  background:var(--brand-soft);border:1px solid rgba(224,33,107,.35);
}
.tick-list li::after{
  content:"";position:absolute;left:4px;top:13px;width:4px;height:4px;border-radius:50%;background:var(--brand);
}

/* ---------- type cards ---------- */
.type-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.type-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:28px;
  box-shadow:var(--shadow-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.type-card:hover{transform:translateY(-3px);border-color:var(--brand);box-shadow:var(--shadow-hover);}
.type-card .badge{margin-bottom:14px;}
.type-card h3{font-size:19px;font-weight:700;margin-bottom:10px;}
.type-card p{font-size:15px;margin:0;}
.badge{
  display:inline-flex;align-items:center;padding:5px 12px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);font-size:12.5px;font-weight:700;letter-spacing:.02em;
}
.badge--ok{background:rgba(31,169,122,.1);color:var(--ok);}
.badge--warn{background:rgba(232,161,58,.12);color:#B87A1C;}

/* ---------- data ---------- */
.data-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.data-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:26px;
  box-shadow:var(--shadow-1);transition:transform .2s ease,border-color .2s ease,box-shadow .2s ease;
}
.data-card:hover{transform:translateY(-3px);border-color:var(--brand);box-shadow:var(--shadow-hover);}
.data-card b{display:block;font-size:clamp(32px,3.4vw,42px);font-weight:800;color:var(--ink);line-height:1.1;margin-bottom:8px;font-variant-numeric:tabular-nums;}
.data-card span{font-size:14px;color:var(--ink-3);display:block;line-height:1.6;}
.quote-box{
  margin-top:32px;background:#fff;border:1px solid var(--line);border-left:3px solid var(--accent);
  border-radius:12px;padding:24px 28px;font-size:15px;color:var(--ink-2);
}
.quote-box strong{color:var(--ink);}

/* ---------- faq ---------- */
.faq-list{max-width:820px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius-card);padding:8px 28px;box-shadow:var(--shadow-1);}
.faq-item + .faq-item{border-top:1px solid var(--line);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 0;text-align:left;font-size:16px;font-weight:700;color:var(--ink);
  transition:color .18s ease,box-shadow .18s ease,padding-left .18s ease;
}
.faq-q:hover{color:var(--brand);}
.faq-icon{
  position:relative;flex:0 0 auto;width:22px;height:22px;border-radius:6px;
  background:var(--bg-soft);transition:transform .25s ease,background-color .25s ease;
}
.faq-icon::before,.faq-icon::after{
  content:"";position:absolute;left:50%;top:50%;background:var(--brand);border-radius:2px;transform:translate(-50%,-50%);
}
.faq-icon::before{width:11px;height:2px;}
.faq-icon::after{width:2px;height:11px;transition:opacity .2s ease;}
.faq-item.is-open .faq-q{color:var(--brand);padding-left:14px;box-shadow:inset 3px 0 0 0 var(--brand);}
.faq-item.is-open .faq-icon{transform:rotate(180deg);background:var(--brand-soft);}
.faq-item.is-open .faq-icon::after{opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-a p{font-size:15px;line-height:1.8;padding:0 0 22px;margin:0;color:var(--ink-2);}

/* ---------- cta ---------- */
.cta-dark{
  position:relative;border-radius:24px;overflow:hidden;padding:56px 52px;
  background-color:var(--bg-dark);color:var(--dark-text);isolation:isolate;
}
.cta-dark::before{
  content:"";position:absolute;inset:0;z-index:-2;
  background-image:url("/assets/images/backpic/back-3.webp");
  background-size:cover;background-position:center;opacity:.3;
}
.cta-dark::after{
  content:"";position:absolute;inset:0;z-index:-1;
  background-image:radial-gradient(rgba(255,255,255,.5) 1px,transparent 1px);
  background-size:12px 12px;opacity:.06;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;}
.cta-dark h2{font-size:clamp(22px,2.6vw,30px);color:#fff;margin-bottom:10px;}
.cta-dark p{color:var(--dark-text);font-size:15px;max-width:520px;margin:0;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.cta-note{margin-top:28px;padding-top:20px;border-top:1px solid rgba(255,255,255,.14);font-size:13px;color:var(--dark-text);display:flex;gap:20px;flex-wrap:wrap;}
.back-home{margin-top:36px;font-size:14px;}
.back-home a{color:var(--brand);font-weight:700;}
.back-home a:hover{color:var(--brand-deep);}

/* ---------- form ---------- */
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px;margin-top:26px;max-width:640px;}
.field{display:flex;flex-direction:column;gap:8px;}
.field label{font-size:13.5px;font-weight:700;color:var(--ink);}
.field input{
  height:44px;padding:0 14px;border:1px solid var(--line);border-radius:var(--radius-input);
  background:#fff;font-size:14.5px;color:var(--ink);transition:border-color .18s ease,box-shadow .18s ease;
}
.field input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 3px rgba(224,33,107,.18);}
.field.has-error input{border-color:var(--danger);}
.field .err{font-size:13px;color:var(--danger);display:none;}
.field.has-error .err{display:block;}
.form-actions{grid-column:1/-1;display:flex;align-items:center;gap:16px;flex-wrap:wrap;}
.form-note{font-size:13px;color:var(--ink-3);}
.alert-ok{
  grid-column:1/-1;display:none;align-items:center;gap:10px;
  background:rgba(31,169,122,.1);color:#147A58;border-radius:10px;padding:12px 16px;font-size:14px;font-weight:600;
}
.alert-ok.is-visible{display:flex;}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-dark);color:var(--dark-text);padding:72px 0 28px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:16px;}
.footer-brand .brand-name{color:#fff;font-size:17px;font-weight:800;}
.site-footer p{font-size:14px;color:var(--dark-text);max-width:320px;line-height:1.8;}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{font-size:14px;color:var(--dark-text);}
.footer-col a:hover{color:var(--brand);}
.footer-bottom{
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--dark-text);
}
.footer-bottom .num{color:#fff;}

/* ---------- responsive ---------- */
@media (max-width:1199px){
  .hero-grid{gap:36px;}
  .step-row{gap:44px;}
}
@media (max-width:1023px){
  .container{padding:0 24px;}
  .section{padding:72px 0;}
  .nav-toggle,.nav-search-btn{display:inline-flex;}
  .nav-search-btn{display:none;}
  .topbar-links{
    position:absolute;top:calc(100% + 1px);left:-24px;right:-24px;
    display:none;flex-direction:column;align-items:stretch;gap:2px;
    background:#fff;border-bottom:1px solid var(--line);padding:14px 24px 20px;
    box-shadow:0 20px 40px -26px rgba(23,18,37,.45);
  }
  .topbar-inner.is-open .topbar-links{display:flex;}
  .topbar-links a{padding:12px 4px;border-bottom:1px solid var(--line);font-size:15px;min-height:44px;display:flex;align-items:center;}
  .topbar-links a:last-of-type{border-bottom:none;}
  .topbar-links .btn{margin-top:12px;justify-content:center;border-bottom:none;}
  .search-form{max-width:280px;}
  .hero-grid{grid-template-columns:1fr;}
  .hero-dark{padding:52px 36px;}
  .hero-media{max-width:560px;}
  .hero-media::after{display:none;}
  .steps{display:flex;overflow-x:auto;-webkit-overflow-scrolling:touch;scroll-snap-type:x mandatory;gap:8px;padding-bottom:6px;}
  .steps::-webkit-scrollbar{display:none;}
  .steps::before{display:none;}
  .step{flex:0 0 168px;scroll-snap-align:start;background:var(--bg-soft);border-radius:12px;padding:16px 10px;}
  .step-num{background:transparent;font-size:44px;}
  .step-row{grid-template-columns:1fr;gap:28px;}
  .step-row--rev .step-media{order:0;}
  .step-row + .step-row{margin-top:64px;}
  .type-grid{grid-template-columns:1fr;}
  .data-grid{grid-template-columns:repeat(2,1fr);}
  .cta-dark{padding:44px 32px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px;}
  .footer-brand{grid-column:1/-1;}
}
@media (max-width:767px){
  .container{padding:0 20px;}
  .section{padding:56px 0;}
  .topbar{height:58px;}
  .site-header.is-scrolled .topbar{height:54px;}
  .brand-sub{display:none;}
  .nav-search-btn{display:inline-flex;}
  .search-form{display:none;}
  .site-header.is-search-open .search-form{
    display:flex;position:absolute;top:calc(100% + 1px);left:-20px;right:-20px;
    max-width:none;margin:0;padding:12px 20px 16px;background:#fff;
    border-bottom:1px solid var(--line);box-shadow:0 18px 36px -24px rgba(23,18,37,.4);
  }
  .site-header.is-search-open .search-form input{height:44px;}
  .site-header.is-search-open .search-form button{height:44px;}
  .breadcrumb{padding-top:20px;font-size:13px;}
  .hero-dark{padding:40px 24px;border-radius:18px;}
  .hero-dark .hero-sub{font-size:15.5px;}
  .hero-kpi{padding-top:20px;}
  .hero-kpi .kpi{padding:0 14px;}
  .hero-kpi .kpi:first-child{padding-left:0;}
  .steps-wrap{padding:26px 18px 20px;}
  .step{flex:0 0 150px;}
  .step-num{font-size:38px;}
  .data-grid{grid-template-columns:1fr;}
  .faq-list{padding:4px 18px;}
  .faq-q{font-size:15.5px;padding:18px 0;}
  .cta-dark{padding:36px 22px;border-radius:18px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1 1 auto;}
  .form-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;gap:30px;}
  .site-footer{padding:56px 0 24px;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:559px){
  .hero-dark h1{font-size:clamp(26px,7.6vw,32px);}
  .hero-actions .btn{width:100%;}
  .hero-kpi{flex-direction:column;gap:16px;}
  .hero-kpi .kpi{padding:0;border-left:none !important;border-top:1px solid rgba(255,255,255,.14);padding-top:14px;}
  .hero-kpi .kpi:first-child{border-top:none;padding-top:0;}
  .quote-box{padding:20px;}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;}
  .btn:hover,.type-card:hover,.data-card:hover{transform:none;}
  .link-more:hover span{transform:none;}
  html{scroll-behavior:auto;}
}

/* roulang page: category4 */
:root{
  --brand:#E0216B;
  --brand-deep:#B01454;
  --accent:#B8E62E;
  --ink:#171225;
  --ink-2:#4E4859;
  --ink-3:#8B8499;
  --bg:#FFFFFF;
  --bg-soft:#F5F3F8;
  --bg-dark:#150F22;
  --line:#E7E3EE;
  --ok:#1FA97A;
  --warn:#E8A13A;
  --danger:#D93A3A;
  --dark-text:#C9C4D4;
  --r-card:16px;
  --r-btn:12px;
  --r-input:10px;
  --shadow-1:0 1px 2px rgba(23,18,37,.06);
  --shadow-2:0 14px 30px -14px rgba(224,33,107,.28);
  --shadow-nav:0 8px 24px -16px rgba(23,18,37,.24);
  --section-y:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Source Han Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink-2);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{display:block;max-width:100%;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.25}
h1{font-weight:800;font-size:clamp(28px,4vw,46px);line-height:1.16;letter-spacing:-.02em}
h2{font-weight:700;font-size:clamp(23px,2.9vw,33px)}
h3{font-weight:700;font-size:20px}
p{margin:0 0 1.15em}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(224,33,107,.35);outline-offset:2px;border-radius:6px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum" 1}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:#fff;border-bottom:1px solid var(--line);transition:box-shadow .25s ease}
.site-header.is-scrolled{box-shadow:var(--shadow-nav)}
.topbar{height:64px;transition:height .25s ease}
.site-header.is-scrolled .topbar{height:56px}
.topbar-inner{display:flex;align-items:center;gap:24px;height:100%}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:36px;height:36px;border-radius:10px;display:flex;align-items:center;justify-content:center;
  background:var(--brand);color:#fff;font-weight:800;font-size:19px;letter-spacing:-.02em;
  clip-path:polygon(0 0,100% 0,100% calc(100% - 10px),calc(100% - 10px) 100%,0 100%);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-name{font-weight:800;font-size:16px;color:var(--ink);letter-spacing:-.01em}
.brand-sub{font-size:11px;color:var(--ink-3);letter-spacing:.08em;text-transform:uppercase}
.search-form{display:flex;align-items:center;flex:1 1 auto;max-width:420px;margin:0 auto}
.search-form input{
  flex:1 1 auto;height:42px;padding:0 14px;border:1px solid var(--line);border-right:0;
  border-radius:var(--r-input) 0 0 var(--r-input);background:#fff;color:var(--ink);font-size:14px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-form input::placeholder{color:var(--ink-3)}
.search-form input:focus{border-color:var(--brand);box-shadow:0 0 0 3px rgba(224,33,107,.2);outline:none}
.search-form button{
  height:42px;padding:0 20px;border:0;border-radius:0 var(--r-input) var(--r-input) 0;
  background:var(--brand);color:#fff;font-weight:700;font-size:14px;cursor:pointer;transition:background .2s ease,transform .15s ease;
}
.search-form button:hover{background:var(--brand-deep)}
.search-form button:active{transform:translateY(1px)}
.topbar-links{display:flex;align-items:center;gap:20px;flex:0 0 auto}
.topbar-links a{font-size:14px;color:var(--ink-2);transition:color .2s ease}
.topbar-links a:hover{color:var(--brand)}
.nav-toggle{
  display:none;width:44px;height:44px;border:1px solid var(--line);background:#fff;border-radius:12px;
  cursor:pointer;padding:12px 11px;flex-direction:column;justify-content:space-between;
}
.nav-toggle span{display:block;height:2px;background:var(--ink);border-radius:2px;transition:transform .2s ease,opacity .2s ease}
body.nav-open .nav-toggle span:nth-child(1){transform:translateY(8px) rotate(45deg)}
body.nav-open .nav-toggle span:nth-child(2){opacity:0}
body.nav-open .nav-toggle span:nth-child(3){transform:translateY(-8px) rotate(-45deg)}

/* 频道 Tabs */
.tabsbar{border-top:1px solid var(--line);background:#fff}
.tabs-scroll{display:flex;align-items:center;gap:8px;height:48px;overflow-x:auto;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch;scrollbar-width:none}
.tabs-scroll::-webkit-scrollbar{display:none}
.tab{
  flex:0 0 auto;scroll-snap-align:center;display:inline-flex;align-items:center;height:34px;
  padding:0 16px;border-radius:999px;font-size:14px;color:var(--ink-2);white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.tab:hover{background:var(--bg-soft);color:var(--brand)}
.tab.is-active{background:var(--brand);color:#fff;font-weight:700}
.tabs-fade{position:absolute;top:0;bottom:0;width:24px;pointer-events:none}
.tabs-fade--l{left:0;background:linear-gradient(90deg,#fff,rgba(255,255,255,0))}
.tabs-fade--r{right:0;background:linear-gradient(270deg,#fff,rgba(255,255,255,0))}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:14px 26px;border-radius:var(--r-btn);font-size:15px;font-weight:700;
  border:1px solid transparent;cursor:pointer;transition:background .2s ease,color .2s ease,transform .18s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn--sm{padding:9px 18px;font-size:14px;border-radius:10px}
.btn--primary{background:var(--brand);color:#fff}
.btn--primary:hover{background:var(--brand-deep);transform:translateY(-2px);box-shadow:var(--shadow-2)}
.btn--primary:active{transform:translateY(0)}
.btn--ghost{background:transparent;border-color:var(--ink);color:var(--ink)}
.btn--ghost:hover{background:var(--ink);color:#fff;transform:translateY(-2px)}
.btn--ghost-light{background:transparent;border-color:rgba(255,255,255,.55);color:#fff}
.btn--ghost-light:hover{background:#fff;color:var(--ink);transform:translateY(-2px)}
.btn[disabled]{opacity:.4;cursor:not-allowed;filter:saturate(.4)}
.link-arrow{display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:700;font-size:14px}
.link-arrow span{transition:transform .2s ease}
.link-arrow:hover span{transform:translateX(4px)}

/* ============ 面包屑 / 通用板块 ============ */
main{scroll-margin-top:120px}
.page-main{padding-bottom:0}
.breadcrumb{padding:22px 0 0;font-size:14px;color:var(--ink-3)}
.breadcrumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;list-style:none;margin:0;padding:0}
.breadcrumb li::after{content:"/";margin-left:8px;color:var(--line)}
.breadcrumb li:last-child::after{content:"";margin:0}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .current{color:var(--ink);font-weight:600}
.section{padding:var(--section-y) 0;scroll-margin-top:120px}
.section--soft{background:var(--bg-soft)}
.section--tight{padding-top:56px}
.section-head{max-width:760px;margin-bottom:40px}
.section-head h2{margin-bottom:12px}
.section-head p{margin:0;color:var(--ink-2)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;margin-bottom:14px;padding:5px 12px;border-radius:999px;
  background:rgba(224,33,107,.1);color:var(--brand);font-size:13px;font-weight:700;letter-spacing:.02em;
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand)}
.badge{
  display:inline-flex;align-items:center;padding:4px 10px;border-radius:6px;
  background:rgba(224,33,107,.1);color:var(--brand);font-size:12px;font-weight:700;
}
.badge--ok{background:rgba(31,169,122,.1);color:var(--ok)}
.badge--warn{background:rgba(232,161,58,.12);color:#B87814}
.badge--dark{background:rgba(184,230,46,.14);color:var(--accent)}
.strip{height:4px;background:repeating-linear-gradient(45deg,var(--brand) 0 6px,var(--accent) 6px 12px)}

/* ============ Hero 紧凑版 ============ */
.hero-compact{background:var(--bg-soft);padding:48px 0 56px;position:relative;overflow:hidden}
.hero-compact::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(224,33,107,.10),rgba(224,33,107,0) 70%);
}
.hero-grid{position:relative;z-index:1;display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:center}
.hero-copy h1{margin-bottom:16px}
.hero-copy h1 em{font-style:normal;color:var(--brand)}
.hero-lead{font-size:17px;color:var(--ink-2);max-width:520px;margin-bottom:26px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-visual{position:relative}
.hero-visual img{
  width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-card);
  clip-path:polygon(0 0,100% 0,100% calc(100% - 18px),calc(100% - 18px) 100%,0 100%);
  box-shadow:var(--shadow-1);
}
.hero-visual::before{
  content:"";position:absolute;inset:18px -18px -18px 18px;border:2px solid var(--brand);
  border-radius:var(--r-card);z-index:-1;opacity:.55;
}
.kpi-row{display:grid;grid-template-columns:repeat(3,1fr);margin-top:34px;max-width:620px}
.kpi{padding-right:20px;border-right:1px solid var(--line)}
.kpi:last-child{border-right:0;padding-right:0}
.kpi b{display:block;font-size:clamp(30px,3.6vw,42px);font-weight:800;color:var(--ink);line-height:1.1}
.kpi span{font-size:13px;color:var(--ink-3)}

/* ============ 对比表 ============ */
.table-wrap{
  position:relative;overflow-x:auto;-webkit-overflow-scrolling:touch;
  border:1px solid var(--line);border-radius:var(--r-card);background:#fff;box-shadow:var(--shadow-1);
}
.cmp-table{width:100%;min-width:860px;border-collapse:collapse;font-size:15px}
.cmp-table caption{text-align:left;padding:0}
.cmp-table th,.cmp-table td{padding:16px 18px;text-align:left;border-bottom:1px solid var(--line);vertical-align:top}
.cmp-table thead th{background:var(--bg-dark);color:#fff;font-weight:700;font-size:15px;white-space:nowrap}
.cmp-table thead th:first-child{background:#241A3A}
.cmp-table tbody tr:last-child td{border-bottom:0}
.cmp-table tbody tr:nth-child(even) td{background:var(--bg-soft)}
.cmp-table th:first-child,.cmp-table td:first-child{position:sticky;left:0;z-index:2;min-width:158px}
.cmp-table tbody td:first-child{
  background:#fff;font-weight:700;color:var(--ink);
  box-shadow:10px 0 14px -10px rgba(23,18,37,.22);
}
.cmp-table tbody tr:nth-child(even) td:first-child{background:#EFEBF5}
.cmp-table .cell-note{display:block;font-size:13px;color:var(--ink-3);margin-top:4px;font-weight:400}
.cmp-table .col-feature{color:var(--brand);font-weight:700}

/* ============ 说明卡 2×2 ============ */
.grid-2x2{display:grid;grid-template-columns:repeat(2,1fr);gap:24px}
.info-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);padding:28px;
  box-shadow:var(--shadow-1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.info-card:hover{transform:translateY(-3px);border-color:var(--brand);box-shadow:var(--shadow-2)}
.info-card .idx{
  display:block;font-size:44px;font-weight:800;line-height:1;color:transparent;
  -webkit-text-stroke:1px var(--brand);margin-bottom:14px;letter-spacing:.02em;
}
.info-card h3{margin-bottom:10px}
.info-card p{margin:0;font-size:15px;color:var(--ink-2)}
.info-card ul{margin-top:14px;display:grid;gap:8px}
.info-card li{position:relative;padding-left:18px;font-size:14px;color:var(--ink-2)}
.info-card li::before{content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:50%;background:var(--brand)}

/* ============ 异常处理列表 ============ */
.check-list{border-top:1px solid var(--line)}
.check-item{
  display:grid;grid-template-columns:220px 1fr;gap:28px;padding:24px 0;border-bottom:1px solid var(--line);
}
.check-item h3{font-size:17px;margin:0}
.check-item p{margin:0;font-size:15px;color:var(--ink-2)}
.check-item .tag{display:inline-block;margin-top:10px}

/* ============ FAQ ============ */
.faq-wrap{max-width:840px;margin:0 auto}
.faq-item{border:1px solid var(--line);border-radius:14px;background:#fff;margin-bottom:12px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease}
.faq-item.is-open{border-color:var(--brand);box-shadow:var(--shadow-1)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:18px 22px;background:transparent;border:0;cursor:pointer;text-align:left;
  font-size:16px;font-weight:700;color:var(--ink);line-height:1.6;position:relative;
}
.faq-q::before{
  content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:0 3px 3px 0;
  background:var(--brand);opacity:0;transition:opacity .2s ease;
}
.faq-item.is-open .faq-q::before{opacity:1}
.faq-q .icon{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid var(--line);
  display:flex;align-items:center;justify-content:center;position:relative;transition:transform .25s ease,border-color .2s ease;
}
.faq-q .icon::before,.faq-q .icon::after{content:"";position:absolute;background:var(--brand);border-radius:2px}
.faq-q .icon::before{width:12px;height:2px}
.faq-q .icon::after{width:2px;height:12px;transition:transform .25s ease,opacity .25s ease}
.faq-item.is-open .faq-q .icon{border-color:var(--brand);transform:rotate(180deg)}
.faq-item.is-open .faq-q .icon::after{transform:scaleY(0);opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a p{margin:0;padding:0 22px 20px;font-size:15px;line-height:1.8;color:var(--ink-2)}

/* ============ CTA 深色区 ============ */
.cta-band{
  background:var(--bg-dark);color:#fff;padding:64px 0;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.07) 1px,transparent 1px);
  background-size:12px 12px;pointer-events:none;
}
.cta-inner{position:relative;display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap}
.cta-inner h2{color:#fff;margin-bottom:10px}
.cta-inner p{margin:0;color:var(--dark-text);font-size:15px;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-meta{margin-top:22px;padding-top:18px;border-top:1px solid rgba(255,255,255,.12);font-size:13px;color:var(--dark-text)}
.back-home{display:flex;justify-content:center;padding:36px 0 0}

/* ============ 页脚 ============ */
.site-footer{background:var(--bg-dark);color:var(--dark-text);padding:64px 0 28px;position:relative}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-mark{width:32px;height:32px;font-size:17px}
.footer-brand .brand-name{color:#fff;font-weight:800;font-size:16px}
.site-footer p{font-size:14px;line-height:1.8;color:var(--dark-text);margin:0;max-width:320px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px}
.footer-col ul{display:grid;gap:10px}
.footer-col a,.footer-col span{font-size:14px;color:var(--dark-text);transition:color .2s ease}
.footer-col a:hover{color:var(--brand)}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);font-size:13px;color:var(--dark-text);
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .container{padding:0 24px}
  .search-form{max-width:280px}
  .topbar-links{gap:14px}
  .topbar-links a:not(.btn){display:none}
  .nav-toggle{display:flex}
  .topbar-links{
    position:absolute;left:0;right:0;top:100%;flex-direction:column;align-items:flex-start;gap:0;
    background:#fff;border-bottom:1px solid var(--line);box-shadow:var(--shadow-nav);
    padding:0 24px;max-height:0;overflow:hidden;transition:max-height .28s ease,padding .28s ease;
  }
  body.nav-open .topbar-links{max-height:320px;padding:12px 24px 20px}
  .topbar-inner{position:relative}
  .topbar-links a:not(.btn){display:block;width:100%;padding:12px 0;border-bottom:1px solid var(--line);font-size:15px}
  .topbar-links .btn{margin-top:14px;width:100%}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-visual::before{inset:14px -14px -14px 14px}
  .section{--section-y:72px}
  .grid-2x2{gap:20px}
  .check-item{grid-template-columns:170px 1fr;gap:20px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:767px){
  .container{padding:0 20px}
  h1{font-size:clamp(25px,7vw,32px)}
  .hero-compact{padding:32px 0 42px}
  .kpi-row{grid-template-columns:1fr;gap:16px;max-width:100%}
  .kpi{border-right:0;border-bottom:1px solid var(--line);padding:0 0 14px;display:flex;align-items:baseline;gap:12px}
  .kpi:last-child{border-bottom:0;padding-bottom:0}
  .kpi b{font-size:30px}
  .grid-2x2{grid-template-columns:1fr}
  .check-item{grid-template-columns:1fr;gap:8px}
  .section{--section-y:56px}
  .section-head{margin-bottom:28px}
  .cta-band{padding:48px 0}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:24px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .footer-bottom{flex-direction:column;gap:8px}
}
@media (max-width:559px){
  body{font-size:15px;line-height:1.8}
  .search-form{display:none}
  .brand-sub{display:none}
  .info-card{padding:22px}
  .faq-q{padding:16px 16px;font-size:15px}
  .faq-a p{padding:0 16px 18px}
}
@media (prefers-reduced-motion:reduce){
  html{scroll-behavior:auto}
  *,*::before,*::after{transition:none!important;animation:none!important}
  .info-card:hover,.btn:hover{transform:none}
}