/* roulang page: index */
:root{
  --ink:#241B3A;
  --ink-deep:#151022;
  --teal:#1FC8A7;
  --teal-dark:#17A98F;
  --apricot:#FF8A5B;
  --paper:#F7F4EE;
  --white:#FFFFFF;
  --text:#17131F;
  --muted:#6B6575;
  --line:#E2DDD5;
  --ok:#2E9E6B;
  --warn:#C97A1E;
  --danger:#C84A4A;
  --radius:18px;
  --radius-sm:12px;
  --pill:999px;
  --shadow:0 10px 30px rgba(36,27,58,.08);
  --shadow-lg:0 16px 40px rgba(36,27,58,.14);
  --container:1220px;
  --font:"MiSans","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.8;
  color:var(--text);
  background:var(--paper);
  -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;}
a:hover{color:var(--apricot);}
button,input,select,textarea{font-family:inherit;font-size:inherit;color:inherit;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
h1{font-size:44px;line-height:1.22;font-weight:800;letter-spacing:-.5px;}
h2{font-size:30px;line-height:1.32;font-weight:750;letter-spacing:-.3px;}
h3{font-size:21px;line-height:1.45;font-weight:700;}
h4{font-size:18px;line-height:1.5;font-weight:700;}
p{line-height:1.85;}
:focus-visible{outline:3px solid rgba(31,200,167,.35);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.section{padding:100px 0;}
.section--tight{padding:72px 0;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;letter-spacing:1.5px;text-transform:uppercase;color:var(--teal-dark);margin-bottom:14px;}
.section-head h2{margin-bottom:14px;}
.section-head p{color:var(--muted);font-size:16.5px;}
.muted{color:var(--muted);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 26px;border-radius:var(--pill);
  font-size:16px;font-weight:700;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform .18s ease,background-color .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--teal);color:var(--ink-deep);box-shadow:0 8px 22px rgba(31,200,167,.28);}
.btn-primary:hover{background:var(--teal-dark);color:var(--ink-deep);transform:translateY(-1px);box-shadow:0 12px 28px rgba(31,200,167,.34);}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:#fff;}
.btn-light{background:#fff;color:var(--ink);}
.btn-light:hover{background:var(--apricot);color:var(--ink-deep);transform:translateY(-1px);}
.btn-outline-light{background:transparent;border-color:rgba(255,255,255,.4);color:#fff;}
.btn-outline-light:hover{border-color:var(--teal);color:var(--teal);}
.btn:disabled,.btn.is-disabled{opacity:.5;pointer-events:none;}
.btn-text{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--ink);border-bottom:1px solid transparent;padding-bottom:2px;}
.btn-text i{transition:transform .2s ease;}
.btn-text:hover{color:var(--apricot);border-bottom-color:var(--apricot);}
.btn-text:hover i{transform:translateX(3px);}
.btn-nav{padding:12px 22px;font-size:15px;height:46px;}

/* ---------- 徽章 / 标签 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--pill);
  font-size:12.5px;font-weight:700;letter-spacing:.3px;
  background:rgba(31,200,167,.12);color:var(--teal-dark);
  border:1px solid rgba(31,200,167,.28);
}
.badge--warm{background:rgba(255,138,91,.14);color:#C9591F;border-color:rgba(255,138,91,.3);}
.badge--ink{background:rgba(36,27,58,.07);color:var(--ink);border-color:rgba(36,27,58,.14);}
.tag{font-size:13px;font-weight:700;color:var(--teal-dark);letter-spacing:.6px;}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--ink);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.brand{display:flex;align-items:center;gap:11px;color:#fff;flex-shrink:0;}
.brand:hover{color:#fff;}
.brand-mark{
  width:38px;height:38px;border-radius:11px;
  background:linear-gradient(140deg,var(--teal) 0%,#0E8F79 100%);
  display:flex;align-items:center;justify-content:center;
  color:var(--ink-deep);font-weight:900;font-size:18px;letter-spacing:-1px;
  box-shadow:0 6px 16px rgba(31,200,167,.3);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:17px;font-weight:800;letter-spacing:.2px;}
.brand-text span{font-size:11.5px;color:rgba(255,255,255,.5);letter-spacing:1.6px;text-transform:uppercase;}
.nav-links{display:flex;align-items:center;gap:4px;flex:1;justify-content:center;}
.nav-links a{
  display:inline-flex;align-items:center;gap:6px;
  padding:10px 14px;border-radius:var(--pill);
  font-size:15px;font-weight:600;color:rgba(255,255,255,.72);
  transition:background-color .2s ease,color .2s ease;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.09);}
.nav-links a.active{color:#fff;background:rgba(31,200,167,.16);box-shadow:inset 0 -2px 0 var(--teal);}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.nav-toggle{
  display:none;width:46px;height:46px;border-radius:12px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  color:#fff;font-size:18px;cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle:hover{background:rgba(255,255,255,.16);}

/* ---------- Hero ---------- */
.hero{position:relative;background:var(--ink);overflow:hidden;color:#fff;}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
  opacity:.55;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(105deg,rgba(36,27,58,.94) 0%,rgba(36,27,58,.86) 45%,rgba(21,16,34,.82) 100%);
}
.hero-inner{position:relative;z-index:2;padding:96px 0 104px;}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;}
.hero-kicker{
  display:inline-flex;align-items:center;gap:9px;
  padding:7px 15px;border-radius:var(--pill);
  background:rgba(31,200,167,.14);border:1px solid rgba(31,200,167,.35);
  color:#8CF0DC;font-size:13.5px;font-weight:700;margin-bottom:22px;
}
.hero h1{color:#fff;margin-bottom:20px;}
.hero h1 em{font-style:normal;color:var(--teal);}
.hero-sub{font-size:17.5px;color:rgba(255,255,255,.76);max-width:620px;margin-bottom:30px;}
.hero-actions{display:flex;align-items:center;gap:20px;flex-wrap:wrap;margin-bottom:32px;}
.hero-actions .btn-text{color:#fff;}
.hero-actions .btn-text:hover{color:var(--apricot);}
.hero-points{display:flex;flex-wrap:wrap;gap:12px 26px;}
.hero-points li{display:flex;align-items:center;gap:9px;font-size:14.5px;color:rgba(255,255,255,.7);}
.hero-points i{color:var(--teal);font-size:13px;}
.hero-card{
  background:#fff;color:var(--text);
  border-radius:20px;padding:26px 26px 22px;
  box-shadow:0 24px 60px rgba(0,0,0,.34);
  border:1px solid rgba(255,255,255,.5);
}
.hero-card .card-title{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px;}
.hero-card .card-title h3{font-size:19px;color:var(--ink);}
.status-row{display:flex;align-items:flex-start;gap:13px;padding:14px 0;border-top:1px solid var(--line);}
.status-row:first-of-type{border-top:none;}
.status-icon{
  width:38px;height:38px;flex-shrink:0;border-radius:11px;
  display:flex;align-items:center;justify-content:center;font-size:15px;
  background:rgba(31,200,167,.13);color:var(--teal-dark);
}
.status-icon--warm{background:rgba(255,138,91,.14);color:#C9591F;}
.status-icon--ink{background:rgba(36,27,58,.08);color:var(--ink);}
.status-row h4{font-size:15px;margin-bottom:2px;color:var(--ink);}
.status-row p{font-size:14px;color:var(--muted);line-height:1.6;margin:0;}
.status-live{display:inline-flex;align-items:center;gap:6px;font-size:13px;font-weight:700;color:var(--ok);}
.status-live::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--ok);box-shadow:0 0 0 4px rgba(46,158,107,.16);}

/* ---------- 痛点叙事 ---------- */
.pain{background:var(--paper);}
.pain-grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start;}
.pain-sticky{position:sticky;top:104px;}
.pain-sticky h2{margin-bottom:16px;}
.pain-sticky p{color:var(--muted);font-size:16.5px;margin-bottom:22px;}
.pain-list{display:flex;flex-direction:column;gap:20px;}
.pain-item{
  display:flex;gap:22px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px 30px;box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.pain-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(31,200,167,.5);}
.pain-num{
  font-size:26px;font-weight:900;color:var(--teal);line-height:1;
  letter-spacing:-1px;flex-shrink:0;padding-top:3px;
}
.pain-item h3{margin-bottom:8px;color:var(--ink);}
.pain-item p{color:var(--muted);font-size:15.5px;margin:0;}

/* ---------- 解决方案 ---------- */
.solution{background:#fff;}
.sol-row{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;padding:38px 0;}
.sol-row + .sol-row{border-top:1px solid var(--line);}
.sol-row:nth-child(even) .sol-media{order:2;}
.sol-media{
  border-radius:20px;overflow:hidden;border:1px solid var(--line);
  box-shadow:var(--shadow);background:var(--paper);
}
.sol-media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.sol-body .tag{display:block;margin-bottom:12px;}
.sol-body h3{font-size:24px;margin-bottom:14px;color:var(--ink);}
.sol-body p{color:var(--muted);font-size:16px;margin-bottom:18px;}
.sol-list{display:flex;flex-direction:column;gap:10px;margin-bottom:20px;}
.sol-list li{display:flex;gap:10px;align-items:flex-start;font-size:15.5px;color:var(--text);}
.sol-list i{color:var(--teal-dark);font-size:13px;margin-top:8px;}

/* ---------- 成果数据 ---------- */
.stats{background:var(--ink-deep);color:#fff;}
.stats .section-head h2{color:#fff;}
.stats .section-head p{color:rgba(255,255,255,.62);}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat-card{
  border:1px solid rgba(255,255,255,.12);
  border-radius:var(--radius);padding:28px 26px;
  background:rgba(255,255,255,.03);
  transition:border-color .22s ease,background-color .22s ease,transform .22s ease;
}
.stat-card:hover{border-color:rgba(31,200,167,.5);background:rgba(31,200,167,.06);transform:translateY(-4px);}
.stat-num{font-size:40px;font-weight:900;color:var(--teal);line-height:1.1;letter-spacing:-1.5px;margin-bottom:8px;}
.stat-num span{font-size:18px;font-weight:700;letter-spacing:0;margin-left:4px;}
.stat-card h3{font-size:16.5px;color:#fff;margin-bottom:6px;}
.stat-card p{font-size:14px;color:rgba(255,255,255,.6);margin:0;line-height:1.7;}

/* ---------- 最新信息 ---------- */
.news{background:var(--paper);}
.news-head{display:flex;align-items:flex-end;justify-content:space-between;gap:28px;flex-wrap:wrap;margin-bottom:40px;}
.news-grid{display:grid;grid-template-columns:1.06fr 1fr;gap:26px;}
.news-card{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:24px 26px;box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:var(--teal);}
.news-card:hover h3{color:var(--ink);}
.news-card h3{font-size:18px;color:var(--ink);margin-bottom:8px;transition:color .2s ease;}
.news-card p{font-size:15px;color:var(--muted);margin-bottom:16px;line-height:1.75;}
.news-meta{display:flex;align-items:center;gap:16px;flex-wrap:wrap;margin-top:auto;font-size:13px;color:var(--muted);}
.news-meta i{color:var(--teal-dark);margin-right:5px;font-size:12px;}
.news-card--lead{grid-row:span 3;padding:0;overflow:hidden;}
.news-card--lead .lead-body{padding:26px 28px 26px;display:flex;flex-direction:column;flex:1;}
.news-card--lead .lead-img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.news-card--lead h3{font-size:23px;line-height:1.4;margin-bottom:12px;}
.news-card--lead p{font-size:15.5px;}
.news-more{display:flex;justify-content:center;margin-top:38px;}
.empty-state{
  grid-column:1/-1;
  display:flex;flex-direction:column;align-items:center;text-align:center;
  padding:60px 30px;background:#fff;border:1px dashed var(--line);border-radius:var(--radius);
}
.empty-state .empty-icon{
  width:58px;height:58px;border-radius:16px;background:rgba(36,27,58,.05);
  color:var(--muted);display:flex;align-items:center;justify-content:center;
  font-size:22px;margin-bottom:18px;
}
.empty-state h3{font-size:18px;color:var(--ink);margin-bottom:8px;}
.empty-state p{color:var(--muted);font-size:15px;margin-bottom:20px;max-width:420px;}

/* ---------- 客户证言 ---------- */
.quotes{background:#fff;}
.quotes-grid{display:grid;grid-template-columns:1fr 1fr;gap:28px;}
.quote-card{
  background:var(--paper);border:1px solid var(--line);border-radius:var(--radius);
  padding:30px 30px 26px;box-shadow:var(--shadow);
  transition:transform .22s ease,box-shadow .22s ease;
}
.quote-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.quote-card:nth-child(2){margin-top:44px;}
.quote-card:nth-child(4){margin-top:44px;}
.quote-mark{font-size:30px;color:var(--teal);line-height:1;margin-bottom:14px;}
.quote-card blockquote{margin:0 0 22px;font-size:16.5px;color:var(--text);line-height:1.8;}
.quote-person{display:flex;align-items:center;gap:14px;border-top:1px solid var(--line);padding-top:18px;}
.quote-avatar{
  width:44px;height:44px;border-radius:50%;object-fit:cover;
  border:2px solid #fff;box-shadow:0 4px 12px rgba(36,27,58,.14);
}
.quote-person h4{font-size:15px;margin-bottom:1px;}
.quote-person span{font-size:13px;color:var(--muted);}

/* ---------- FAQ ---------- */
.faq{background:var(--paper);}
.faq-list{max-width:900px;margin:0 auto;background:#fff;border:1px solid var(--line);border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);}
.faq-item + .faq-item{border-top:1px solid var(--line);}
.faq-item summary{
  list-style:none;cursor:pointer;
  display:flex;align-items:center;justify-content:space-between;gap:20px;
  padding:22px 28px;font-size:18px;font-weight:700;color:var(--ink);
  transition:background-color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{background:rgba(31,200,167,.05);}
.faq-item summary .faq-icon{
  flex-shrink:0;width:30px;height:30px;border-radius:50%;
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  color:var(--teal-dark);font-size:15px;font-weight:700;
  transition:transform .22s ease,background-color .22s ease,color .22s ease;
}
.faq-item[open] summary .faq-icon{background:var(--teal);color:var(--ink-deep);border-color:var(--teal);transform:rotate(180deg);}
.faq-answer{padding:0 28px 26px;color:var(--muted);font-size:16px;line-height:1.85;max-width:820px;}

/* ---------- CTA ---------- */
.cta{background:var(--ink);color:#fff;position:relative;overflow:hidden;}
.cta-bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center;opacity:.28;}
.cta-bg::after{content:"";position:absolute;inset:0;background:linear-gradient(100deg,rgba(36,27,58,.95),rgba(21,16,34,.86));}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:7fr 5fr;gap:48px;align-items:center;padding:84px 0;}
.cta-inner h2{color:#fff;margin-bottom:16px;}
.cta-inner p{color:rgba(255,255,255,.72);font-size:16.5px;margin-bottom:28px;max-width:560px;}
.cta-actions{display:flex;gap:16px;flex-wrap:wrap;}
.cta-panel{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.14);
  border-radius:var(--radius);padding:26px 26px 20px;
}
.cta-panel h3{color:#fff;font-size:17px;margin-bottom:16px;}
.cta-panel li{display:flex;gap:12px;align-items:flex-start;padding:11px 0;border-top:1px solid rgba(255,255,255,.1);font-size:15px;color:rgba(255,255,255,.76);}
.cta-panel li:first-of-type{border-top:none;}
.cta-panel i{color:var(--teal);margin-top:7px;font-size:13px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-deep);color:rgba(255,255,255,.72);padding:70px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:52px;}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand p{font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.58);max-width:330px;}
.footer-col h4{color:#fff;font-size:15.5px;margin-bottom:18px;letter-spacing:.3px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{font-size:14.5px;color:rgba(255,255,255,.66);}
.footer-col a:hover{color:var(--teal);}
.footer-col li{font-size:14.5px;display:flex;gap:9px;align-items:flex-start;color:rgba(255,255,255,.66);}
.footer-col li i{margin-top:6px;color:var(--teal);font-size:13px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0;display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.62);}
.footer-bottom a:hover{color:var(--teal);}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .hero-grid{gap:40px;}
  .container{padding:0 22px;}
}
@media (max-width:1024px){
  h1{font-size:36px;}
  h2{font-size:26px;}
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .site-header.menu-open .nav-links{
    display:flex;flex-direction:column;align-items:stretch;gap:2px;
    position:absolute;top:72px;left:0;right:0;
    background:var(--ink);padding:14px 20px 22px;
    border-bottom:1px solid rgba(255,255,255,.1);
    box-shadow:0 20px 40px rgba(0,0,0,.3);
  }
  .site-header.menu-open .nav-links a{padding:13px 14px;font-size:16px;}
  .hero-inner{padding:72px 0 80px;}
  .hero-grid{grid-template-columns:1fr;gap:38px;}
  .hero-card{max-width:560px;}
  .pain-grid{grid-template-columns:1fr;gap:34px;}
  .pain-sticky{position:static;}
  .sol-row{grid-template-columns:1fr;gap:28px;padding:30px 0;}
  .sol-row:nth-child(even) .sol-media{order:0;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .news-grid{grid-template-columns:1fr;}
  .news-card--lead{grid-row:auto;}
  .cta-inner{grid-template-columns:1fr;gap:34px;padding:70px 0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .section{padding:76px 0;}
}
@media (max-width:768px){
  body{font-size:16px;}
  h1{font-size:31px;}
  h2{font-size:24px;}
  h3{font-size:19px;}
  .section{padding:58px 0;}
  .section--tight{padding:48px 0;}
  .quotes-grid{grid-template-columns:1fr;gap:20px;}
  .quote-card:nth-child(2),.quote-card:nth-child(4){margin-top:0;}
  .faq-item summary{padding:18px 20px;font-size:16.5px;}
  .faq-answer{padding:0 20px 22px;}
  .nav-actions .btn-nav{padding:11px 16px;font-size:14px;}
  .brand-text span{display:none;}
  .hero-actions{gap:14px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .stats-grid{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .btn{width:100%;}
  .btn-nav,.faq-item summary .faq-icon{width:auto;}
  .hero-points{gap:10px 18px;}
  .hero-points li{font-size:13.5px;}
  .pain-item{padding:22px 20px;gap:16px;}
  .news-card{padding:20px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px;}
}

/* roulang page: article */
:root{
  --ink:#241B3A;
  --ink-deep:#151022;
  --cyan:#1FC8A7;
  --cyan-dark:#17A98F;
  --apricot:#FF8A5B;
  --paper:#F7F4EE;
  --white:#FFFFFF;
  --text:#17131F;
  --muted:#6B6575;
  --line:#E2DDD5;
  --ok:#2E9E6B;
  --warn:#C97A1E;
  --danger:#C84A4A;
  --r-card:18px;
  --r-btn:999px;
  --r-sm:12px;
  --shadow:0 10px 30px rgba(36,27,58,.08);
  --shadow-hover:0 16px 40px rgba(36,27,58,.14);
  --gap:24px;
  --section:96px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"MiSans","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  background:var(--paper);
  color:var(--text);
  font-size:17px;
  line-height:1.8;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border-style:none;}
a{color:var(--ink);text-decoration:none;transition:color .2s ease,border-color .2s ease;}
a:hover{color:var(--apricot);}
a:focus-visible,button:focus-visible,input:focus-visible{outline:3px solid rgba(31,200,167,.35);outline-offset:2px;border-radius:6px;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:.2px;}
p{margin:0 0 18px;}
ul,ol{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;}
.container{width:100%;max-width:1220px;margin:0 auto;padding:0 24px;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);border:1px solid transparent;
  font-size:16px;font-weight:600;line-height:1.2;cursor:pointer;
  transition:background-color .2s ease,color .2s ease,transform .18s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn-primary{background:var(--cyan);color:var(--ink-deep);box-shadow:0 8px 22px rgba(31,200,167,.28);}
.btn-primary:hover{background:var(--cyan-dark);color:var(--ink-deep);transform:translateY(-1px);box-shadow:0 12px 28px rgba(31,200,167,.34);}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{background:transparent;color:var(--ink);border-color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:#fff;transform:translateY(-1px);}
.btn-ghost:active{transform:scale(.98);}
.btn-light{background:#fff;color:var(--ink);}
.btn-light:hover{background:var(--apricot);color:#fff;transform:translateY(-1px);}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;box-shadow:none;}
.btn-link{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--ink);border-bottom:2px solid transparent;padding-bottom:2px;}
.btn-link i{transition:transform .2s ease;}
.btn-link:hover{color:var(--apricot);border-bottom-color:var(--apricot);}
.btn-link:hover i{transform:translateX(3px);}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:var(--ink);
  border-bottom:1px solid rgba(255,255,255,.08);
  box-shadow:0 6px 24px rgba(21,16,34,.28);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;}
.brand{display:flex;align-items:center;gap:12px;color:#fff;}
.brand:hover{color:#fff;}
.brand-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  background:linear-gradient(140deg,var(--cyan) 0%,#149D86 100%);
  color:var(--ink-deep);font-weight:800;font-size:20px;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(31,200,167,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:17px;font-weight:700;letter-spacing:.4px;}
.brand-text span{font-size:10px;letter-spacing:2.4px;color:rgba(255,255,255,.5);}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;
  padding:10px 14px;border-radius:var(--r-btn);
  font-size:15px;color:rgba(255,255,255,.72);font-weight:500;
  transition:color .2s ease,background-color .2s ease;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.08);}
.nav-links a.active{color:var(--cyan);background:rgba(31,200,167,.12);}
.nav-links a.active::before{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--cyan);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:12px;}
.btn-nav{height:46px;padding:0 22px;font-size:15px;}
.nav-toggle{
  display:none;width:46px;height:46px;border-radius:12px;
  background:rgba(255,255,255,.1);color:#fff;border:1px solid rgba(255,255,255,.14);
  font-size:18px;align-items:center;justify-content:center;
}
.nav-toggle:hover{background:rgba(255,255,255,.18);}

/* ---------- Article hero ---------- */
.article-hero{
  position:relative;background:var(--ink-deep);color:#fff;overflow:hidden;
  padding:56px 0 64px;
}
.article-hero::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  opacity:.32;
}
.article-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(36,27,58,.94) 0%,rgba(21,16,34,.86) 55%,rgba(31,200,167,.20) 100%);
}
.article-hero .container{position:relative;z-index:2;}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.6);margin-bottom:22px;}
.breadcrumb a{color:rgba(255,255,255,.8);}
.breadcrumb a:hover{color:var(--cyan);}
.breadcrumb i{font-size:10px;color:rgba(255,255,255,.35);}
.hero-tags{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:18px;}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:var(--r-btn);
  font-size:13px;font-weight:600;line-height:1.4;
}
.badge-cyan{background:rgba(31,200,167,.16);color:var(--cyan);border:1px solid rgba(31,200,167,.34);}
.badge-soft{background:rgba(255,255,255,.1);color:rgba(255,255,255,.82);border:1px solid rgba(255,255,255,.16);}
.badge-ink{background:rgba(36,27,58,.08);color:var(--ink);border:1px solid var(--line);}
.article-title{
  color:#fff;font-size:42px;line-height:1.24;font-weight:800;
  max-width:900px;margin-bottom:20px;
}
.article-lead{
  max-width:820px;color:rgba(255,255,255,.76);font-size:17px;line-height:1.85;margin-bottom:26px;
}
.article-meta{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px 24px;
  font-size:13px;color:rgba(255,255,255,.68);
  padding-top:20px;border-top:1px solid rgba(255,255,255,.14);
}
.article-meta span{display:inline-flex;align-items:center;gap:7px;}
.article-meta i{color:var(--cyan);}

/* ---------- Article body ---------- */
.article-main{padding:64px 0 40px;}
.article-wrap{max-width:800px;margin:0 auto;}
.article-body{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  padding:44px 44px 36px;box-shadow:var(--shadow);
  font-size:17px;line-height:1.9;color:#26212F;
}
.article-body h2{
  font-size:27px;line-height:1.35;margin:48px 0 16px;padding-left:16px;
  border-left:4px solid var(--cyan);
}
.article-body h3{font-size:20px;line-height:1.45;margin:34px 0 12px;}
.article-body h4{font-size:17px;line-height:1.5;margin:26px 0 10px;color:var(--ink);}
.article-body p{margin:0 0 18px;color:#332C40;}
.article-body a{color:var(--cyan-dark);border-bottom:1px solid rgba(23,169,143,.45);font-weight:600;}
.article-body a:hover{color:var(--apricot);border-bottom-color:var(--apricot);}
.article-body ul,.article-body ol{margin:0 0 20px;padding-left:4px;}
.article-body ul li,.article-body ol li{position:relative;padding-left:22px;margin-bottom:10px;line-height:1.85;color:#332C40;}
.article-body ul li::before{
  content:"";position:absolute;left:2px;top:12px;width:7px;height:7px;border-radius:50%;
  background:var(--cyan);
}
.article-body ol{counter-reset:num;}
.article-body ol li{counter-increment:num;padding-left:34px;}
.article-body ol li::before{
  content:counter(num);position:absolute;left:0;top:3px;
  width:22px;height:22px;border-radius:7px;background:rgba(31,200,167,.16);color:var(--cyan-dark);
  font-size:12px;font-weight:700;display:flex;align-items:center;justify-content:center;
}
.article-body blockquote{
  margin:26px 0;padding:20px 24px;background:rgba(31,200,167,.07);
  border-left:4px solid var(--cyan);border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:#2C2637;font-size:16.5px;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:14px;margin:24px 0;box-shadow:var(--shadow);}
.article-body hr{border:none;height:1px;background:var(--line);margin:36px 0;}
.article-body table{width:100%;border-collapse:collapse;margin:24px 0;font-size:15px;}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left;}
.article-body th{background:rgba(36,27,58,.045);color:var(--ink);font-weight:700;}
.article-body code{background:rgba(36,27,58,.06);padding:2px 7px;border-radius:6px;font-size:14.5px;color:#4B4260;}
.article-body::after{content:"";display:block;clear:both;}

.tip-box{
  display:flex;gap:14px;align-items:flex-start;
  margin:28px 0 0;padding:18px 20px;border-radius:var(--r-sm);
  background:rgba(255,138,91,.09);border:1px solid rgba(255,138,91,.32);
  color:#5B4436;font-size:15px;line-height:1.8;
}
.tip-box i{color:var(--apricot);font-size:18px;margin-top:3px;}
.tip-box strong{color:#8A4A28;}

.empty-state{
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  padding:56px 32px;text-align:center;box-shadow:var(--shadow);
}
.empty-state .empty-icon{
  width:66px;height:66px;margin:0 auto 18px;border-radius:20px;
  background:rgba(31,200,167,.12);color:var(--cyan-dark);
  display:flex;align-items:center;justify-content:center;font-size:26px;
}
.empty-state h2{font-size:22px;margin-bottom:10px;}
.empty-state p{color:var(--muted);font-size:15.5px;margin-bottom:22px;}

/* ---------- Related ---------- */
.related{padding:24px 0 8px;}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:26px;}
.section-head h2{font-size:26px;line-height:1.35;}
.section-head p{color:var(--muted);font-size:14.5px;margin:6px 0 0;}
.related-list{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;}
.related-card{
  display:flex;gap:16px;align-items:center;
  background:var(--white);border:1px solid var(--line);border-radius:var(--r-card);
  padding:16px;box-shadow:var(--shadow);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.related-card:hover{transform:translateY(-4px);border-color:var(--cyan);box-shadow:var(--shadow-hover);}
.related-card img{width:104px;height:74px;flex:0 0 104px;object-fit:cover;border-radius:12px;}
.related-card .rc-body{min-width:0;}
.related-card h3{font-size:17px;line-height:1.4;margin-bottom:6px;}
.related-card:hover h3{color:var(--ink);}
.related-card p{font-size:13.5px;color:var(--muted);margin:0;line-height:1.65;}
.rc-tag{
  display:inline-block;margin-bottom:6px;font-size:12px;font-weight:600;
  color:var(--cyan-dark);background:rgba(31,200,167,.12);
  padding:2px 10px;border-radius:var(--r-btn);
}

/* ---------- CTA band ---------- */
.cta-band{
  position:relative;margin-top:72px;background:var(--ink);color:#fff;overflow:hidden;
  padding:72px 0;
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;opacity:.22;
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(100deg,rgba(36,27,58,.95) 0%,rgba(21,16,34,.88) 60%,rgba(31,200,167,.22) 100%);
}
.cta-inner{position:relative;z-index:2;display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;}
.cta-inner h2{color:#fff;font-size:30px;line-height:1.35;margin-bottom:10px;}
.cta-inner p{color:rgba(255,255,255,.76);max-width:640px;margin:0;font-size:16px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink-deep);color:rgba(255,255,255,.72);padding:64px 0 0;font-size:15px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:36px;padding-bottom:44px;}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.6);margin:0;}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:18px;font-weight:700;}
.footer-col ul li{margin-bottom:11px;font-size:14.5px;line-height:1.7;color:rgba(255,255,255,.6);}
.footer-col ul li a{color:rgba(255,255,255,.68);}
.footer-col ul li a:hover{color:var(--cyan);}
.footer-col ul li i{color:var(--cyan);margin-right:8px;width:16px;}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  padding:20px 0 26px;border-top:1px solid rgba(255,255,255,.1);
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:var(--cyan);}
.footer-bottom a:hover{color:var(--apricot);}

/* ---------- Responsive ---------- */
@media (max-width:1024px){
  .nav-links{
    position:absolute;top:72px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    background:var(--ink-deep);padding:14px 20px 22px;
    border-bottom:1px solid rgba(255,255,255,.1);
    box-shadow:0 20px 40px rgba(21,16,34,.4);
    display:none;
  }
  .site-header.nav-open .nav-links{display:flex;}
  .nav-links a{padding:13px 14px;border-radius:12px;font-size:15.5px;}
  .nav-links a.active::before{display:none;}
  .nav-toggle{display:inline-flex;}
  .article-title{font-size:36px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .brand-text strong{font-size:15.5px;}
  .brand-text span{display:none;}
  .btn-nav{height:42px;padding:0 16px;font-size:14px;}
  .article-hero{padding:40px 0 48px;}
  .article-title{font-size:30px;}
  .article-lead{font-size:15.5px;}
  .article-main{padding:44px 0 28px;}
  .article-body{padding:28px 22px 24px;font-size:16px;border-radius:14px;}
  .article-body h2{font-size:23px;margin-top:38px;}
  .article-body h3{font-size:18.5px;}
  .related-list{grid-template-columns:1fr;}
  .related-card img{width:92px;height:68px;flex:0 0 92px;}
  .cta-band{padding:52px 0;}
  .cta-inner h2{font-size:24px;}
  .cta-actions{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:34px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;text-align:left;}
}
@media (max-width:480px){
  .article-title{font-size:26px;}
  .hero-tags{gap:8px;}
  .badge{font-size:12px;padding:5px 11px;}
  .cta-actions .btn{width:100%;}
  .btn{padding:12px 20px;}
  .related-card{flex-direction:row;align-items:flex-start;}
}

/* roulang page: category1 */
:root{
  --ink-purple:#241B3A;
  --ink-deep:#151022;
  --cyan:#1FC8A7;
  --cyan-dark:#17A98F;
  --apricot:#FF8A5B;
  --paper:#F7F4EE;
  --white:#FFFFFF;
  --text:#17131F;
  --text-2:#6B6575;
  --line:#E2DDD5;
  --ok:#2E9E6B;
  --warn:#C97A1E;
  --danger:#C84A4A;
  --radius:18px;
  --radius-sm:12px;
  --shadow:0 10px 30px rgba(36,27,58,.08);
  --shadow-hover:0 16px 40px rgba(36,27,58,.14);
  --font:"MiSans","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.8;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--ink-purple);text-decoration:none;transition:color .2s ease;}
a:hover{color:var(--apricot);}
h1,h2,h3,h4{margin:0 0 14px;color:var(--ink-purple);font-weight:700;letter-spacing:.2px;}
h1{font-size:44px;line-height:1.2;}
h2{font-size:30px;line-height:1.3;}
h3{font-size:21px;line-height:1.4;}
h4{font-size:18px;line-height:1.5;}
p{margin:0 0 18px;color:var(--text);}
ul,ol{margin:0 0 18px;padding-left:20px;}
li{margin-bottom:8px;}
button{font-family:inherit;}
:focus-visible{outline:3px solid rgba(31,200,167,.35);outline-offset:2px;border-radius:6px;}
.container{width:100%;max-width:1220px;margin:0 auto;padding:0 24px;}
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.section-head{max-width:760px;margin-bottom:44px;}
.section-head .eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:2px;text-transform:uppercase;
  color:var(--cyan-dark);font-weight:700;margin-bottom:14px;
}
.section-head p{color:var(--text-2);font-size:17px;margin:0;}
.lead{font-size:18px;color:var(--text-2);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:16px;font-weight:600;line-height:1;
  padding:15px 28px;border-radius:999px;border:1px solid transparent;
  cursor:pointer;transition:transform .2s ease,background-color .2s ease,color .2s ease,border-color .2s ease,box-shadow .2s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--cyan);color:var(--ink-deep);box-shadow:0 8px 22px rgba(31,200,167,.28);}
.btn-primary:hover{background:var(--cyan-dark);color:var(--ink-deep);transform:translateY(-1px);box-shadow:0 12px 28px rgba(31,200,167,.34);}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{background:transparent;border-color:var(--ink-purple);color:var(--ink-purple);}
.btn-ghost:hover{background:var(--ink-purple);color:#fff;}
.btn-ghost:active{transform:scale(.98);}
.btn-light{background:#fff;color:var(--ink-purple);border-color:#fff;}
.btn-light:hover{background:var(--apricot);border-color:var(--apricot);color:#fff;transform:translateY(-1px);}
.btn-text{display:inline-flex;align-items:center;gap:6px;font-weight:600;color:var(--ink-purple);}
.btn-text i{transition:transform .2s ease;}
.btn-text:hover{color:var(--apricot);}
.btn-text:hover i{transform:translateX(3px);}
.btn-nav{padding:13px 22px;font-size:15px;height:46px;}
.btn[disabled],.btn.is-disabled{opacity:.45;pointer-events:none;}

/* ============ 导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:var(--ink-purple);
  border-bottom:1px solid rgba(255,255,255,.08);
  box-shadow:0 6px 24px rgba(21,16,34,.22);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.brand{display:flex;align-items:center;gap:12px;color:#fff;}
.brand:hover{color:#fff;}
.brand-mark{
  width:40px;height:40px;border-radius:12px;flex:0 0 40px;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(135deg,var(--cyan),var(--apricot));
  color:var(--ink-deep);font-weight:800;font-size:19px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15;}
.brand-text strong{font-size:17px;color:#fff;font-weight:700;}
.brand-text span{font-size:10px;letter-spacing:3px;color:rgba(255,255,255,.5);}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-links a{
  position:relative;
  padding:10px 14px;border-radius:10px;
  color:rgba(255,255,255,.72);font-size:15px;font-weight:500;
  transition:color .2s ease,background-color .2s ease;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.08);}
.nav-links a.active{color:var(--cyan);}
.nav-links a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;
  background:var(--cyan);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  color:#fff;font-size:18px;cursor:pointer;
}
.nav-toggle:hover{background:rgba(255,255,255,.16);}

/* ============ 内页 Hero ============ */
.page-hero{
  position:relative;color:#fff;overflow:hidden;
  padding:92px 0 76px;
  background:linear-gradient(rgba(21,16,34,.80),rgba(36,27,58,.72)),
             url('/assets/images/backpic/back-1.png') center/cover no-repeat;
}
.page-hero::after{
  content:"";position:absolute;right:-120px;top:-120px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(31,200,167,.28),transparent 68%);pointer-events:none;
}
.page-hero .container{position:relative;z-index:2;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:22px;}
.crumb a{color:rgba(255,255,255,.78);}
.crumb a:hover{color:var(--cyan);}
.crumb i{font-size:10px;color:rgba(255,255,255,.4);}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;font-size:13px;font-weight:600;
  background:rgba(31,200,167,.16);color:var(--cyan);border:1px solid rgba(31,200,167,.36);
  margin-bottom:20px;
}
.page-hero h1{color:#fff;font-size:44px;max-width:900px;}
.page-hero h1 em{font-style:normal;color:var(--cyan);}
.hero-sub{max-width:720px;font-size:18px;color:rgba(255,255,255,.82);margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px;}
.hero-facts{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:18px;
  padding-top:28px;border-top:1px solid rgba(255,255,255,.16);max-width:960px;
}
.hero-facts div span{display:block;font-size:13px;color:rgba(255,255,255,.6);margin-bottom:4px;}
.hero-facts div strong{font-size:17px;color:#fff;font-weight:600;}

/* ============ 时间线 ============ */
.timeline{list-style:none;margin:0;padding:0;max-width:900px;}
.tl-item{position:relative;display:grid;grid-template-columns:72px minmax(0,1fr);gap:22px;padding-bottom:38px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:35px;top:62px;bottom:6px;width:2px;
  background:linear-gradient(var(--line),rgba(226,221,213,.2));
}
.tl-item:last-child::before{display:none;}
.tl-num{
  width:72px;height:72px;border-radius:20px;flex:0 0 72px;
  display:flex;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--line);box-shadow:var(--shadow);
  font-size:20px;font-weight:800;color:var(--ink-purple);letter-spacing:1px;
}
.tl-item:hover .tl-num{border-color:var(--cyan);color:var(--cyan-dark);}
.tl-body{background:#fff;border:1px solid var(--line);border-radius:var(--radius);padding:26px 28px;box-shadow:var(--shadow);transition:box-shadow .24s ease,transform .24s ease;}
.tl-body:hover{box-shadow:var(--shadow-hover);transform:translateY(-3px);}
.tl-body h3{margin-bottom:10px;}
.tl-body p{color:var(--text-2);margin-bottom:14px;}
.tl-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:4px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:600;
  background:rgba(36,27,58,.06);color:var(--ink-purple);border:1px solid var(--line);
}
.tag-cyan{background:rgba(31,200,167,.14);color:var(--cyan-dark);border-color:rgba(31,200,167,.3);}
.tag-warn{background:rgba(255,138,91,.14);color:#B7522A;border-color:rgba(255,138,91,.34);}

/* ============ 指标条 ============ */
.stat-strip{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  background:var(--ink-purple);border-radius:var(--radius);overflow:hidden;
}
.stat-strip div{padding:26px 24px;border-right:1px solid rgba(255,255,255,.1);}
.stat-strip div:last-child{border-right:none;}
.stat-strip strong{display:block;font-size:26px;color:var(--cyan);font-weight:800;margin-bottom:6px;}
.stat-strip span{font-size:13.5px;color:rgba(255,255,255,.72);}

/* ============ 图文行 ============ */
.split{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;}
.split.reverse .split-media{order:2;}
.split-media{border-radius:var(--radius);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line);}
.split-media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.split-body h2{margin-top:12px;}
.checklist{list-style:none;padding:0;margin:0 0 22px;}
.checklist li{display:flex;gap:12px;align-items:flex-start;padding:12px 0;border-bottom:1px dashed var(--line);color:var(--text-2);}
.checklist li:last-child{border-bottom:none;}
.checklist i{color:var(--cyan-dark);margin-top:5px;font-size:15px;}

/* ============ 清单卡 ============ */
.grid-2{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px;}
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius);
  padding:28px;box-shadow:var(--shadow);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--cyan);}
.card h3{font-size:19px;}
.card p{color:var(--text-2);font-size:16px;margin-bottom:0;}
.card-icon{
  width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:rgba(31,200,167,.14);color:var(--cyan-dark);font-size:19px;margin-bottom:16px;
}
.notice{
  display:flex;gap:14px;align-items:flex-start;
  border-left:4px solid var(--apricot);background:rgba(255,138,91,.09);
  border-radius:var(--radius-sm);padding:18px 20px;margin-top:26px;
}
.notice i{color:var(--apricot);font-size:18px;margin-top:4px;}
.notice p{margin:0;color:#7A3E22;font-size:15.5px;}
.notice-blue{border-left-color:var(--cyan);background:rgba(31,200,167,.09);}
.notice-blue i{color:var(--cyan-dark);}
.notice-blue p{color:#1B5F52;}

/* ============ 场景列表 ============ */
.scene-list{list-style:none;padding:0;margin:0;}
.scene-list li{
  display:grid;grid-template-columns:56px minmax(0,1fr);gap:16px;
  padding:20px 0;border-bottom:1px solid var(--line);
}
.scene-list li:last-child{border-bottom:none;}
.scene-list .idx{
  width:44px;height:44px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:var(--paper);border:1px solid var(--line);font-weight:700;color:var(--ink-purple);
}
.scene-list h4{margin-bottom:6px;}
.scene-list p{margin:0;color:var(--text-2);font-size:15.5px;}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto;}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-sm);
  margin-bottom:14px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:rgba(31,200,167,.6);box-shadow:var(--shadow);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;font-size:18px;font-weight:700;color:var(--ink-purple);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";flex:0 0 28px;width:28px;height:28px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(31,200,167,.14);color:var(--cyan-dark);font-size:18px;font-weight:700;line-height:1;
  transition:transform .22s ease,background-color .22s ease;
}
.faq-item[open] summary::after{content:"−";background:var(--cyan);color:var(--ink-deep);}
.faq-item .faq-answer{padding:0 24px 22px;color:var(--text-2);font-size:16px;}
.faq-item .faq-answer p:last-child{margin-bottom:0;}

/* ============ CTA ============ */
.cta-band{
  background:linear-gradient(120deg,var(--ink-deep),var(--ink-purple) 62%);
  color:#fff;padding:78px 0;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;left:-100px;bottom:-140px;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(31,200,167,.26),transparent 70%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.2fr .8fr;gap:40px;align-items:center;}
.cta-band h2{color:#fff;font-size:32px;}
.cta-band p{color:rgba(255,255,255,.78);margin-bottom:0;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-deep);color:rgba(255,255,255,.72);padding:70px 0 0;font-size:15px;}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:46px;}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand p{color:rgba(255,255,255,.6);font-size:14.5px;line-height:1.8;margin:0;}
.footer-col h4{color:#fff;font-size:15px;letter-spacing:1px;margin-bottom:18px;}
.footer-col ul{list-style:none;padding:0;margin:0;}
.footer-col li{margin-bottom:12px;font-size:14.5px;color:rgba(255,255,255,.6);line-height:1.7;}
.footer-col a{color:rgba(255,255,255,.72);}
.footer-col a:hover{color:var(--cyan);}
.footer-col i{color:var(--cyan);margin-right:8px;}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);padding:22px 0 26px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  font-size:13.5px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.7);}
.footer-bottom a:hover{color:var(--cyan);}

/* ============ 响应式 ============ */
@media (max-width:1280px){
  .container{max-width:1100px;}
  h1,.page-hero h1{font-size:40px;}
}
@media (max-width:1024px){
  .nav-links{
    position:absolute;left:0;right:0;top:72px;
    flex-direction:column;align-items:stretch;gap:2px;
    background:var(--ink-purple);border-bottom:1px solid rgba(255,255,255,.1);
    padding:12px 20px 20px;box-shadow:0 18px 30px rgba(21,16,34,.3);
    display:none;
  }
  .nav-links.open{display:flex;}
  .nav-links a{padding:14px 12px;font-size:16px;}
  .nav-links a.active::after{display:none;}
  .nav-toggle{display:flex;align-items:center;justify-content:center;}
  .split{grid-template-columns:1fr;gap:32px;}
  .split.reverse .split-media{order:0;}
  .hero-facts{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat-strip{grid-template-columns:repeat(2,minmax(0,1fr));}
  .stat-strip div:nth-child(2){border-right:none;}
  .stat-strip div{border-bottom:1px solid rgba(255,255,255,.1);}
  .cta-inner{grid-template-columns:1fr;gap:26px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:32px;}
}
@media (max-width:768px){
  body{font-size:16px;}
  h1,.page-hero h1{font-size:30px;}
  h2{font-size:24px;}
  h3{font-size:19px;}
  .section{padding:56px 0;}
  .section-tight{padding:46px 0;}
  .page-hero{padding:64px 0 52px;}
  .hero-sub{font-size:16px;}
  .grid-2,.grid-3{grid-template-columns:1fr;}
  .tl-item{grid-template-columns:56px minmax(0,1fr);gap:16px;}
  .tl-num{width:56px;height:56px;flex:0 0 56px;font-size:17px;border-radius:16px;}
  .tl-item::before{left:27px;top:50px;}
  .tl-body{padding:22px 20px;}
  .faq-item summary{font-size:16.5px;padding:18px 18px;}
  .faq-item .faq-answer{padding:0 18px 18px;}
  .scene-list li{grid-template-columns:44px minmax(0,1fr);}
  .cta-band h2{font-size:25px;}
}
@media (max-width:520px){
  .container{padding:0 18px;}
  .hero-facts{grid-template-columns:1fr;}
  .stat-strip{grid-template-columns:1fr;}
  .stat-strip div{border-right:none;}
  .hero-actions .btn,.cta-actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;}
  .nav-actions .btn-nav{padding:12px 16px;font-size:14px;}
  .brand-text strong{font-size:15px;}
}

/* roulang page: category3 */
:root{
  --ink:#241B3A;
  --ink-deep:#151022;
  --teal:#1FC8A7;
  --teal-dark:#17A98F;
  --apricot:#FF8A5B;
  --paper:#F7F4EE;
  --white:#FFFFFF;
  --text:#17131F;
  --muted:#6B6575;
  --line:#E2DDD5;
  --ok:#2E9E6B;
  --warn:#C97A1E;
  --danger:#C84A4A;
  --r-lg:20px;
  --r-md:16px;
  --r-sm:12px;
  --shadow:0 10px 30px rgba(36,27,58,.08);
  --shadow-hover:0 16px 40px rgba(36,27,58,.14);
  --container:1220px;
  --ease:.22s cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"MiSans","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--ink);text-decoration:none;transition:color var(--ease),border-color var(--ease),background var(--ease);}
a:hover{color:var(--apricot);}
button,input,select,textarea{font:inherit;color:inherit;}
button{cursor:pointer;}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:800;letter-spacing:.2px;}
p{margin:0 0 18px;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(31,200,167,.35);border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ===== header ===== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--ink);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.nav-wrap{display:flex;align-items:center;gap:24px;min-height:72px;}
.brand{display:flex;align-items:center;gap:12px;color:#fff;flex-shrink:0;}
.brand:hover{color:#fff;}
.brand-mark{
  width:42px;height:42px;border-radius:13px;flex:0 0 42px;
  display:grid;place-items:center;
  background:linear-gradient(135deg,var(--teal),#3BD9BE);
  color:var(--ink-deep);font-weight:900;font-size:20px;
  box-shadow:0 8px 20px rgba(31,200,167,.35);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2;}
.brand-text strong{font-size:17px;font-weight:800;color:#fff;letter-spacing:.4px;}
.brand-text span{font-size:11px;letter-spacing:2.4px;color:rgba(255,255,255,.5);margin-top:3px;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-links a{
  position:relative;display:inline-flex;align-items:center;
  padding:9px 14px;border-radius:10px;
  font-size:15px;font-weight:600;color:rgba(255,255,255,.72);
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.08);}
.nav-links a.active{color:#fff;background:rgba(31,200,167,.16);}
.nav-links a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--teal);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0;}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  color:#fff;font-size:17px;
}
.nav-toggle:hover{background:rgba(31,200,167,.2);}

/* ===== buttons ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;border:1px solid transparent;
  font-size:15px;font-weight:700;line-height:1;white-space:nowrap;
  transition:transform var(--ease),background var(--ease),color var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.btn-primary{background:var(--teal);color:var(--ink-deep);box-shadow:0 10px 24px rgba(31,200,167,.28);}
.btn-primary:hover{background:var(--teal-dark);color:var(--ink-deep);transform:translateY(-1px);box-shadow:0 14px 30px rgba(31,200,167,.34);}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{background:transparent;border-color:var(--ink);color:var(--ink);}
.btn-ghost:hover{background:var(--ink);color:#fff;}
.btn-ghost:active{transform:scale(.98);}
.btn-light{background:#fff;color:var(--ink);}
.btn-light:hover{background:var(--paper);color:var(--ink);transform:translateY(-1px);}
.btn-nav{padding:12px 22px;font-size:14px;}
.btn[disabled],.btn.is-disabled{opacity:.5;pointer-events:none;}
.link-arrow{display:inline-flex;align-items:center;gap:8px;font-weight:700;color:var(--teal-dark);}
.link-arrow i{transition:transform var(--ease);}
.link-arrow:hover{color:var(--apricot);}
.link-arrow:hover i{transform:translateX(2px);}

/* ===== badges ===== */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;
  font-size:13px;font-weight:700;line-height:1.5;
}
.badge-teal{background:rgba(31,200,167,.14);color:#0F8A73;}
.badge-apricot{background:rgba(255,138,91,.16);color:#C25B32;}
.badge-ink{background:rgba(36,27,58,.08);color:var(--ink);}
.badge-danger{background:rgba(200,74,74,.12);color:var(--danger);}

/* ===== hero ===== */
.hero{
  position:relative;
  color:#fff;
  padding:96px 0 88px;
  background-image:linear-gradient(115deg,rgba(21,16,34,.9),rgba(36,27,58,.78)),url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;}
.hero h1{color:#fff;font-size:44px;line-height:1.25;margin-bottom:20px;}
.hero h1 em{font-style:normal;color:var(--teal);}
.hero-sub{font-size:17px;line-height:1.9;color:rgba(255,255,255,.8);max-width:560px;margin-bottom:30px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center;}
.hero-crumbs{display:flex;gap:10px;align-items:center;font-size:13px;color:rgba(255,255,255,.6);margin-bottom:18px;}
.hero-crumbs a{color:rgba(255,255,255,.75);}
.hero-crumbs a:hover{color:var(--teal);}
.status-card{
  background:#fff;color:var(--text);
  border-radius:var(--r-lg);padding:28px;box-shadow:var(--shadow-hover);
}
.status-card h3{font-size:18px;margin-bottom:16px;}
.status-row{display:flex;gap:14px;align-items:flex-start;padding:14px 0;border-top:1px solid var(--line);}
.status-row:first-of-type{border-top:0;padding-top:0;}
.status-ico{
  width:38px;height:38px;flex:0 0 38px;border-radius:11px;
  display:grid;place-items:center;background:rgba(31,200,167,.14);color:#0F8A73;font-size:15px;
}
.status-row strong{display:block;font-size:15px;color:var(--ink);margin-bottom:2px;}
.status-row p{margin:0;font-size:14px;line-height:1.7;color:var(--muted);}

/* ===== sections ===== */
.section{padding:96px 0;}
.section-alt{background:#fff;}
.section-head{max-width:760px;margin-bottom:48px;}
.section-head h2{font-size:32px;line-height:1.35;margin-bottom:14px;}
.section-head p{color:var(--muted);margin:0;}
.eyebrow{
  display:inline-block;font-size:13px;font-weight:800;letter-spacing:2px;
  color:var(--teal-dark);text-transform:uppercase;margin-bottom:12px;
}

/* checklist cards */
.check-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.check-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:28px;box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.check-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--teal);}
.check-card h3{font-size:20px;margin:16px 0 10px;}
.check-card p{color:var(--muted);font-size:15px;margin:0;}
.check-num{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:var(--ink);color:var(--teal);font-weight:800;font-size:15px;
}

/* risk strip */
.risk-strip{
  background:var(--ink-deep);border-radius:var(--r-lg);
  padding:36px;color:#fff;margin-top:40px;
}
.risk-strip h3{color:#fff;font-size:20px;margin-bottom:20px;}
.risk-list{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.risk-item{
  background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.1);
  border-radius:var(--r-md);padding:20px;
}
.risk-item span{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:800;color:var(--apricot);margin-bottom:10px;}
.risk-item p{margin:0;font-size:14px;line-height:1.75;color:rgba(255,255,255,.78);}

/* scenario list */
.scene-wrap{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start;}
.scene-sticky{position:sticky;top:100px;}
.scene-sticky h2{font-size:32px;line-height:1.35;margin-bottom:14px;}
.scene-sticky p{color:var(--muted);}
.scene-item{
  display:flex;gap:20px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);padding:24px;margin-bottom:18px;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.scene-item:hover{transform:translateY(-3px);box-shadow:var(--shadow-hover);border-color:var(--teal);}
.scene-item i{color:var(--teal-dark);font-size:20px;margin-top:4px;}
.scene-item h3{font-size:18px;margin-bottom:6px;}
.scene-item p{margin:0;color:var(--muted);font-size:15px;}

/* timeline */
.timeline{position:relative;padding-left:38px;}
.timeline::before{
  content:"";position:absolute;left:11px;top:8px;bottom:8px;width:2px;
  background:linear-gradient(180deg,var(--teal),rgba(31,200,167,.15));
}
.tl-item{position:relative;padding-bottom:34px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::before{
  content:"";position:absolute;left:-32px;top:8px;width:14px;height:14px;border-radius:50%;
  background:#fff;border:3px solid var(--teal);
}
.tl-item h3{font-size:19px;margin-bottom:8px;}
.tl-item p{color:var(--muted);font-size:15px;margin:0;}
.tl-tag{font-size:12px;font-weight:800;letter-spacing:1.5px;color:var(--apricot);}

/* feature rows */
.feature-row{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center;margin-bottom:64px;}
.feature-row:last-child{margin-bottom:0;}
.feature-row.reverse .feature-media{order:2;}
.feature-media{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--shadow);border:1px solid var(--line);}
.feature-media img{width:100%;aspect-ratio:16/10;object-fit:cover;}
.feature-body h3{font-size:22px;margin:12px 0 12px;}
.feature-body p{color:var(--muted);margin-bottom:18px;}
.mini-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--muted);margin-bottom:10px;}
.mini-list i{color:var(--teal-dark);margin-top:5px;}

/* stats */
.stats{background:var(--ink);color:#fff;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;text-align:left;}
.stat-item{padding:8px 0;}
.stat-item strong{display:block;font-size:38px;font-weight:900;color:var(--teal);line-height:1.2;}
.stat-item span{display:block;font-size:14px;color:rgba(255,255,255,.72);margin-top:8px;}

/* faq */
.faq-list{max-width:900px;margin:0 auto;border-top:1px solid var(--line);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:22px 4px;font-size:18px;font-weight:700;color:var(--ink);cursor:pointer;
  transition:color var(--ease),background var(--ease);
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--teal-dark);}
.faq-item summary .mark{font-size:22px;font-weight:400;color:var(--teal-dark);flex:0 0 auto;}
.faq-item[open] summary{color:var(--teal-dark);}
.faq-body{padding:0 4px 24px;color:var(--muted);font-size:16px;line-height:1.85;}
.faq-body p:last-child{margin-bottom:0;}

/* cta */
.cta-band{
  background:linear-gradient(120deg,var(--ink),#33254F);
  color:#fff;padding:80px 0;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:40px;flex-wrap:wrap;}
.cta-inner h2{color:#fff;font-size:32px;line-height:1.35;margin-bottom:12px;}
.cta-inner p{color:rgba(255,255,255,.78);margin:0;max-width:620px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* footer */
.site-footer{background:var(--ink-deep);color:rgba(255,255,255,.78);padding:72px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:40px;}
.site-footer .brand{margin-bottom:18px;}
.site-footer .brand-text strong{color:#fff;}
.site-footer .brand-text span{color:rgba(255,255,255,.45);}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);margin:0;max-width:340px;}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:18px;}
.footer-col li{margin-bottom:12px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.62);}
.footer-col a{color:rgba(255,255,255,.72);}
.footer-col a:hover{color:var(--teal);}
.footer-col i{color:var(--teal);margin-right:8px;}
.footer-bottom{
  margin-top:52px;border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.7);}
.footer-bottom a:hover{color:var(--teal);}

/* responsive */
@media (max-width:1280px){
  .container{padding:0 20px;}
  .hero h1{font-size:40px;}
}
@media (max-width:1024px){
  .nav-links{
    position:absolute;top:72px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:4px;
    background:var(--ink);border-top:1px solid rgba(255,255,255,.08);
    padding:16px 20px 22px;display:none;
    box-shadow:0 18px 40px rgba(0,0,0,.28);
  }
  .nav-links.open{display:flex;}
  .nav-links a{padding:14px 12px;font-size:16px;}
  .nav-links a.active::after{display:none;}
  .nav-toggle{display:grid;place-items:center;}
  .nav-wrap{position:relative;}
  .hero{padding:72px 0 64px;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .hero h1{font-size:36px;}
  .check-grid{grid-template-columns:repeat(2,1fr);}
  .risk-list{grid-template-columns:1fr;}
  .scene-wrap{grid-template-columns:1fr;gap:32px;}
  .scene-sticky{position:static;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:32px;}
  .feature-row{grid-template-columns:1fr;gap:28px;}
  .feature-row.reverse .feature-media{order:0;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  body{font-size:16px;}
  .section{padding:64px 0;}
  .hero h1{font-size:31px;}
  .hero-sub{font-size:16px;}
  .section-head h2,.scene-sticky h2,.cta-inner h2{font-size:25px;}
  .check-grid{grid-template-columns:1fr;}
  .feature-row{margin-bottom:44px;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;}
  .btn{padding:12px 22px;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .hero{padding:56px 0 52px;}
  .hero h1{font-size:28px;}
  .hero-actions .btn{width:100%;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .stat-item strong{font-size:30px;}
  .brand-text span{display:none;}
  .btn-nav{padding:11px 16px;font-size:13px;}
  .status-card{padding:22px;}
  .risk-strip{padding:24px;}
}

/* roulang page: category2 */
:root{
  --ink:#241B3A;
  --ink-deep:#151022;
  --cyan:#1FC8A7;
  --cyan-dark:#17A98F;
  --cyan-soft:rgba(31,200,167,.12);
  --apricot:#FF8A5B;
  --apricot-deep:#C2551F;
  --paper:#F7F4EE;
  --white:#FFFFFF;
  --text:#17131F;
  --muted:#6B6575;
  --border:#E2DDD5;
  --ok:#2E9E6B;
  --warn:#C97A1E;
  --danger:#C84A4A;
  --radius:20px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow:0 10px 30px rgba(36,27,58,.08);
  --shadow-hover:0 16px 40px rgba(36,27,58,.14);
  --ease:cubic-bezier(.4,0,.2,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"MiSans","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--apricot)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;font-weight:700;color:var(--ink);letter-spacing:-.2px}
p{margin:0}
button,input,textarea,select{font:inherit;color:inherit}
button{cursor:pointer;border:none;background:none}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(31,200,167,.35);border-radius:8px}
.container{width:100%;max-width:1220px;margin:0 auto;padding:0 24px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease),box-shadow .2s var(--ease);
}
.btn-primary{background:var(--cyan);color:#0B2A24}
.btn-primary:hover{background:var(--cyan-dark);color:#04211B;transform:translateY(-1px);box-shadow:0 12px 26px rgba(31,200,167,.32)}
.btn-primary:active{transform:scale(.98)}
.btn-outline{border-color:var(--ink);color:var(--ink);background:transparent}
.btn-outline:hover{background:var(--ink);color:#fff;transform:translateY(-1px)}
.btn-outline:active{transform:scale(.98)}
.btn-ghost-light{border-color:rgba(255,255,255,.4);color:#fff;background:rgba(255,255,255,.06)}
.btn-ghost-light:hover{background:#fff;color:var(--ink);border-color:#fff;transform:translateY(-1px)}
.btn-nav{height:46px;padding:0 22px;font-size:15px}
.btn-text{display:inline-flex;align-items:center;gap:8px;font-weight:600;color:var(--ink);font-size:15px}
.btn-text i{transition:transform .2s var(--ease);font-size:13px}
.btn-text:hover{color:var(--apricot-deep)}
.btn-text:hover i{transform:translateX(3px)}

/* ============ 头部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--ink);
  border-bottom:1px solid rgba(255,255,255,.08);
  box-shadow:0 6px 24px rgba(21,16,34,.28);
}
.nav-wrap{display:flex;align-items:center;justify-content:space-between;gap:20px;height:72px;position:relative}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--cyan),#57E2C7);
  color:#0B2A24;font-weight:800;font-size:18px;letter-spacing:0;
  box-shadow:0 6px 16px rgba(31,200,167,.28);
}
.brand-text{display:block;line-height:1.2}
.brand-text strong{display:block;color:#fff;font-size:16px;font-weight:700;letter-spacing:.4px}
.brand-text span{display:block;font-size:10px;letter-spacing:2.4px;color:rgba(255,255,255,.48);margin-top:3px}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-links a{
  padding:9px 14px;border-radius:999px;font-size:15px;
  color:rgba(255,255,255,.74);position:relative;transition:all .2s var(--ease);
}
.nav-links a:hover{background:rgba(255,255,255,.09);color:#fff}
.nav-links a.active{color:var(--cyan);background:rgba(31,200,167,.14)}
.nav-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:rgba(255,255,255,.1);color:#fff;font-size:17px;
  border:1px solid rgba(255,255,255,.18);place-items:center;
}
.nav-toggle:hover{background:rgba(255,255,255,.18)}

/* ============ 面包屑 ============ */
.crumb-bar{background:#fff;border-bottom:1px solid var(--border)}
.crumb{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--muted);padding:14px 0;flex-wrap:wrap}
.crumb a:hover{color:var(--cyan-dark)}
.crumb i{font-size:10px;color:#BEB7AE}
.crumb .current{color:var(--ink);font-weight:600}

/* ============ Hero ============ */
.hero{
  position:relative;color:#fff;overflow:hidden;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(21,16,34,.86) 0%,rgba(36,27,58,.72) 55%,rgba(21,16,34,.62) 100%);
}
.hero-inner{position:relative;z-index:2;padding:86px 0 78px}
.hero-grid{display:grid;grid-template-columns:7fr 5fr;gap:52px;align-items:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:9px;
  padding:7px 16px;border-radius:999px;font-size:13px;font-weight:600;letter-spacing:.6px;
  background:rgba(31,200,167,.16);color:#8CF0DA;border:1px solid rgba(31,200,167,.32);
}
.eyebrow .dot{width:7px;height:7px;border-radius:50%;background:var(--cyan);box-shadow:0 0 0 4px rgba(31,200,167,.2)}
.hero h1{
  color:#fff;font-size:clamp(30px,3.9vw,46px);line-height:1.25;
  margin:20px 0 18px;letter-spacing:-.5px;
}
.hero .lead{font-size:17px;line-height:1.9;color:rgba(255,255,255,.8);max-width:640px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px}
.hero-tags span{
  font-size:13px;padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.08);color:rgba(255,255,255,.78);
  border:1px solid rgba(255,255,255,.14);
}
.hero-card{
  background:#fff;border-radius:var(--radius);padding:28px 26px;
  box-shadow:0 24px 60px rgba(9,6,18,.36);color:var(--text);
}
.hero-card h2{font-size:17px;margin-bottom:6px}
.hero-card .card-sub{font-size:13.5px;color:var(--muted);margin-bottom:20px}
.status-list{display:grid;gap:14px}
.status-item{display:flex;align-items:flex-start;gap:13px}
.status-icon{
  width:38px;height:38px;border-radius:12px;flex-shrink:0;display:grid;place-items:center;
  background:var(--cyan-soft);color:#12836C;font-size:15px;
}
.status-icon.amber{background:rgba(255,138,91,.14);color:var(--apricot-deep)}
.status-icon.violet{background:rgba(36,27,58,.08);color:var(--ink)}
.status-item strong{display:block;font-size:14.5px;color:var(--ink);line-height:1.5}
.status-item span{display:block;font-size:13px;color:var(--muted);line-height:1.6;margin-top:2px}
.chip-ok{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:600;
  color:var(--ok);background:rgba(46,158,107,.12);border-radius:999px;padding:3px 10px;margin-left:6px;
}

/* ============ 通用板块 ============ */
.section{padding:92px 0}
.section-white{background:#fff}
.section-head{max-width:780px;margin-bottom:48px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.kicker{
  display:inline-block;font-size:13px;font-weight:700;letter-spacing:2px;
  color:var(--cyan-dark);text-transform:uppercase;margin-bottom:12px;
}
.section-head h2{font-size:clamp(24px,2.7vw,32px);line-height:1.32;margin-bottom:16px}
.section-head p{color:var(--muted);font-size:16.5px;line-height:1.9}
.divider{height:1px;background:var(--border);border:none;margin:0}

/* ============ 功能矩阵 ============ */
.matrix-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:22px}
.matrix-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:28px 26px 24px;box-shadow:var(--shadow);
  transition:transform .25s var(--ease),box-shadow .25s var(--ease),border-color .25s var(--ease);
  display:flex;flex-direction:column;height:100%;
}
.matrix-card:hover{transform:translateY(-4px);border-color:var(--cyan);box-shadow:var(--shadow-hover)}
.matrix-icon{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  background:var(--cyan-soft);color:#12836C;font-size:19px;margin-bottom:18px;
}
.matrix-card:nth-child(3n+2) .matrix-icon{background:rgba(255,138,91,.14);color:var(--apricot-deep)}
.matrix-card:nth-child(3n+3) .matrix-icon{background:rgba(36,27,58,.08);color:var(--ink)}
.matrix-card h3{font-size:19.5px;line-height:1.45;margin-bottom:10px}
.matrix-card p{font-size:15px;color:var(--muted);line-height:1.85;flex:1}
.matrix-foot{
  margin-top:16px;padding-top:14px;border-top:1px dashed var(--border);
  font-size:13px;color:var(--muted);display:flex;align-items:center;gap:8px;
}
.matrix-foot i{color:var(--cyan-dark)}

/* ============ 交替图文 ============ */
.feature-list{display:grid;gap:0}
.feature-row{
  display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;
  padding:52px 0;border-top:1px solid var(--border);
}
.feature-row:first-child{border-top:none;padding-top:16px}
.feature-row.reverse .feature-media{order:2}
.feature-media img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--radius);box-shadow:var(--shadow);
}
.tag{
  display:inline-block;padding:5px 13px;border-radius:999px;
  background:rgba(255,138,91,.14);color:var(--apricot-deep);
  font-size:13px;font-weight:700;letter-spacing:.4px;margin-bottom:14px;
}
.feature-row h3{font-size:22px;line-height:1.4;margin-bottom:14px}
.feature-row .body p{color:var(--muted);font-size:16px;line-height:1.9;margin-bottom:14px}
.feature-points{display:grid;gap:10px;margin:18px 0 22px}
.feature-points li{display:flex;align-items:flex-start;gap:10px;font-size:15px;color:var(--text)}
.feature-points i{color:var(--cyan-dark);font-size:12px;margin-top:8px}

/* ============ 数据横带 ============ */
.stats{
  background:var(--ink-deep);color:#fff;padding:66px 0;
  position:relative;overflow:hidden;
}
.stats::after{
  content:"";position:absolute;right:-120px;top:-120px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(31,200,167,.22),transparent 68%);
}
.stats-grid{position:relative;z-index:2;display:grid;grid-template-columns:repeat(4,1fr);gap:28px}
.stat-item{border-left:2px solid rgba(31,200,167,.5);padding-left:20px}
.stat-num{font-size:34px;font-weight:800;color:var(--cyan);line-height:1.2;letter-spacing:-.5px}
.stat-label{font-size:14.5px;color:rgba(255,255,255,.82);margin-top:8px}
.stat-desc{font-size:13px;color:rgba(255,255,255,.52);margin-top:4px;line-height:1.7}

/* ============ 步骤 + 场景 ============ */
.split{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:start}
.steps{display:grid;gap:18px;counter-reset:step}
.step{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);
  padding:22px 24px;display:flex;gap:18px;align-items:flex-start;box-shadow:var(--shadow);
  transition:transform .25s var(--ease),border-color .25s var(--ease);
}
.step:hover{transform:translateX(4px);border-color:var(--cyan)}
.step-num{
  flex-shrink:0;width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
  background:var(--ink);color:var(--cyan);font-weight:800;font-size:15px;
}
.step h3{font-size:17.5px;margin-bottom:6px}
.step p{font-size:14.5px;color:var(--muted);line-height:1.8}
.tag-cloud{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.tag-item{
  padding:10px 18px;border-radius:999px;background:#fff;border:1px solid var(--border);
  font-size:14.5px;color:var(--ink);transition:all .2s var(--ease);
}
.tag-item:hover{border-color:var(--cyan);color:var(--cyan-dark);transform:translateY(-2px)}
.note-bar{
  margin-top:26px;display:flex;gap:14px;align-items:flex-start;
  background:rgba(201,122,30,.09);border:1px solid rgba(201,122,30,.28);
  border-radius:var(--radius-md);padding:18px 20px;
}
.note-bar i{color:var(--warn);font-size:17px;margin-top:4px}
.note-bar p{font-size:14.5px;color:#7A4E12;line-height:1.8}

/* ============ FAQ ============ */
.faq-grid{display:grid;grid-template-columns:1fr 1fr;gap:18px 26px;align-items:start}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius-md);
  padding:0 22px;transition:border-color .2s var(--ease),background .2s var(--ease);
}
.faq-item:hover{border-color:#CDC6BC;background:#FCFBF8}
.faq-item[open]{border-color:var(--cyan);background:#fff}
.faq-item summary{
  list-style:none;cursor:pointer;padding:19px 0;
  display:flex;justify-content:space-between;align-items:flex-start;gap:18px;
  font-size:16.5px;font-weight:700;color:var(--ink);line-height:1.6;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{
  content:"+";flex-shrink:0;color:var(--cyan);font-size:23px;font-weight:600;line-height:1;
  transition:transform .2s var(--ease);
}
.faq-item[open] summary{color:var(--cyan-dark)}
.faq-item[open] summary::after{content:"−"}
.faq-item .answer{padding:0 0 22px;font-size:15.5px;color:var(--muted);line-height:1.9}

/* ============ CTA ============ */
.cta{
  position:relative;color:#fff;overflow:hidden;padding:84px 0;
  background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;
}
.cta::before{content:"";position:absolute;inset:0;background:rgba(36,27,58,.88)}
.cta-inner{position:relative;z-index:2;text-align:center;max-width:820px;margin:0 auto}
.cta h2{color:#fff;font-size:clamp(24px,2.8vw,32px);line-height:1.35;margin-bottom:16px}
.cta p{color:rgba(255,255,255,.8);font-size:16.5px;line-height:1.9}
.cta-actions{display:flex;gap:16px;justify-content:center;flex-wrap:wrap;margin-top:32px}
.cta-meta{
  margin-top:30px;display:flex;gap:26px;justify-content:center;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.62);
}
.cta-meta span{display:inline-flex;align-items:center;gap:8px}
.cta-meta i{color:var(--cyan)}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink-deep);color:rgba(255,255,255,.72);padding:72px 0 0;font-size:14.5px}
.footer-grid{display:grid;grid-template-columns:1.9fr 1fr 1fr 1.5fr;gap:44px;padding-bottom:48px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{font-size:14.5px;line-height:1.9;color:rgba(255,255,255,.62);max-width:360px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px;letter-spacing:.6px;font-weight:700}
.footer-col ul{display:grid;gap:12px}
.footer-col li{font-size:14.5px;color:rgba(255,255,255,.62);display:flex;gap:9px;align-items:flex-start;line-height:1.75}
.footer-col li i{color:var(--cyan);margin-top:6px;font-size:12px}
.footer-col a{color:rgba(255,255,255,.72)}
.footer-col a:hover{color:var(--cyan)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);
  padding:22px 0 30px;display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.55);
}
.footer-bottom a{color:var(--cyan)}
.footer-bottom a:hover{color:#7FF0D8}

/* ============ 响应式 ============ */
@media (max-width:1024px){
  .nav-toggle{display:grid}
  .nav-links{
    position:absolute;top:72px;left:-24px;right:-24px;
    background:var(--ink);flex-direction:column;align-items:stretch;
    padding:14px 24px 22px;gap:4px;display:none;
    box-shadow:0 24px 44px rgba(9,6,18,.42);
    border-bottom:1px solid rgba(255,255,255,.1);
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:14px 16px;border-radius:12px;font-size:15.5px}
  .btn-nav{height:42px;padding:0 18px;font-size:14.5px}
  .hero-grid{grid-template-columns:1fr;gap:38px}
  .hero-inner{padding:66px 0 62px}
  .matrix-grid{grid-template-columns:repeat(2,1fr)}
  .feature-row{gap:34px}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:32px}
  .split{grid-template-columns:1fr;gap:40px}
  .section{padding:72px 0}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .section{padding:58px 0}
  .section-head{margin-bottom:34px}
  .matrix-grid{grid-template-columns:1fr}
  .feature-row{grid-template-columns:1fr;gap:22px;padding:38px 0}
  .feature-row.reverse .feature-media{order:0}
  .feature-row h3{font-size:20px}
  .faq-grid{grid-template-columns:1fr;gap:14px}
  .footer-grid{grid-template-columns:1fr;gap:34px;padding-bottom:34px}
  .footer-brand p{max-width:none}
  .cta{padding:66px 0}
  .hero h1{margin:16px 0 14px}
  .hero .lead{font-size:16px}
  .stats{padding:52px 0}
  .stat-num{font-size:29px}
}
@media (max-width:520px){
  .brand-text strong{font-size:15px}
  .brand-text span{display:none}
  .brand-mark{width:36px;height:36px;font-size:16px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn{width:100%}
  .cta-actions{flex-direction:column}
  .cta-actions .btn{width:100%}
  .cta-meta{gap:14px;font-size:12.5px}
  .stats-grid{grid-template-columns:1fr;gap:24px}
  .stat-item{border-left-width:2px}
  .step{padding:18px 18px;gap:14px}
  .matrix-card{padding:22px 20px}
  .footer-bottom{flex-direction:column;gap:8px}
  .crumb{font-size:13px}
}

/* roulang page: category4 */
:root{
  --ink-purple:#241B3A;
  --ink-deep:#151022;
  --cyan:#1FC8A7;
  --cyan-dark:#17A98F;
  --apricot:#FF8A5B;
  --paper:#F7F4EE;
  --white:#FFFFFF;
  --text:#17131F;
  --muted:#6B6575;
  --border:#E2DDD5;
  --success:#2E9E6B;
  --warn:#C97A1E;
  --danger:#C84A4A;
  --radius:20px;
  --radius-sm:12px;
  --shadow:0 10px 30px rgba(36,27,58,.08);
  --shadow-hover:0 16px 40px rgba(36,27,58,.14);
  --container:1220px;
  --font: "MiSans","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;transition:color .2s ease,border-color .2s ease}
a:hover{color:var(--apricot)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink-purple);font-weight:800;letter-spacing:.2px}
p{margin:0 0 18px}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:3px solid rgba(31,200,167,.35);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:700;letter-spacing:.3px;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease,background-color .2s ease,color .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.btn i{font-size:14px}
.btn-primary{background:var(--cyan);color:#0B2B24;box-shadow:0 8px 22px rgba(31,200,167,.28)}
.btn-primary:hover{background:var(--cyan-dark);color:#07211C;transform:translateY(-1px);box-shadow:0 12px 28px rgba(31,200,167,.34)}
.btn-primary:active{transform:scale(.98)}
.btn-outline{background:transparent;border-color:var(--ink-purple);color:var(--ink-purple)}
.btn-outline:hover{background:var(--ink-purple);color:#fff;transform:translateY(-1px)}
.btn-outline:active{transform:scale(.98)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.42);color:#fff}
.btn-ghost:hover{background:#fff;color:var(--ink-purple);border-color:#fff;transform:translateY(-1px)}
.btn-text{
  display:inline-flex;align-items:center;gap:6px;font-weight:700;
  color:var(--ink-purple);font-size:15px;border-bottom:2px solid transparent;padding-bottom:2px;
}
.btn-text i{transition:transform .2s ease}
.btn-text:hover{color:var(--apricot);border-color:var(--apricot)}
.btn-text:hover i{transform:translateX(3px)}
.btn:disabled,.btn[disabled]{opacity:.45;cursor:not-allowed;pointer-events:none;box-shadow:none}
.btn-block{width:100%}

/* ---------- 标签 / 徽章 ---------- */
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:2px;text-transform:uppercase;
  color:var(--cyan);margin-bottom:16px;
}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--cyan);display:inline-block}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:700;
  background:rgba(31,200,167,.14);color:#0F7B67;border:1px solid rgba(31,200,167,.32);
}
.badge-warn{background:rgba(255,138,91,.14);color:#B24E23;border-color:rgba(255,138,91,.35)}
.badge-ink{background:rgba(36,27,58,.08);color:var(--ink-purple);border-color:rgba(36,27,58,.16)}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:100;
  background:var(--ink-purple);
  border-bottom:1px solid rgba(255,255,255,.08);
  box-shadow:0 6px 24px rgba(21,16,34,.22);
}
.nav-wrap{display:flex;align-items:center;gap:28px;height:72px}
.brand{display:flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:42px;height:42px;border-radius:13px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;
  background:linear-gradient(140deg,var(--cyan),#0E9B82);
  color:#07211C;font-size:20px;font-weight:900;
  box-shadow:0 6px 18px rgba(31,200,167,.32);
}
.brand-text{display:flex;flex-direction:column;line-height:1.2}
.brand-text strong{color:#fff;font-size:16.5px;font-weight:800;letter-spacing:.5px}
.brand-text span{color:rgba(255,255,255,.5);font-size:10.5px;letter-spacing:2.4px;font-weight:600}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-links a{
  position:relative;padding:9px 14px;border-radius:10px;
  color:rgba(255,255,255,.72);font-size:15px;font-weight:600;
  transition:color .2s ease,background-color .2s ease;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav-links a.active{color:#fff}
.nav-links a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:3px;height:2.5px;border-radius:2px;
  background:var(--cyan);
}
.nav-actions{display:flex;align-items:center;gap:12px;flex-shrink:0}
.btn-nav{height:46px;padding:0 22px;font-size:14.5px}
.nav-toggle{
  display:none;width:46px;height:46px;border-radius:12px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.16);
  color:#fff;font-size:18px;cursor:pointer;align-items:center;justify-content:center;
}
.nav-toggle:hover{background:rgba(255,255,255,.18)}

/* ---------- 内页首屏 ---------- */
.page-hero{
  position:relative;
  padding:88px 0 96px;
  background-image:linear-gradient(115deg,rgba(21,16,34,.86),rgba(36,27,58,.7)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
  color:#fff;overflow:hidden;
}
.page-hero::after{
  content:"";position:absolute;inset:auto -120px -160px auto;width:520px;height:520px;border-radius:50%;
  background:radial-gradient(circle,rgba(31,200,167,.22),transparent 66%);
  pointer-events:none;
}
.page-hero .hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:7fr 5fr;gap:56px;align-items:center;
}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.62);margin-bottom:20px}
.breadcrumb a{color:rgba(255,255,255,.82)}
.breadcrumb a:hover{color:var(--cyan)}
.breadcrumb span.sep{color:rgba(255,255,255,.36)}
.page-hero h1{
  color:#fff;font-size:44px;line-height:1.25;margin-bottom:18px;letter-spacing:.4px;
}
.page-hero h1 em{font-style:normal;color:var(--cyan)}
.page-hero .lead{
  font-size:17px;line-height:1.9;color:rgba(255,255,255,.82);max-width:640px;margin-bottom:28px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;align-items:center}
.hero-card{
  background:#fff;border-radius:var(--radius);padding:28px;
  box-shadow:0 22px 50px rgba(11,7,22,.3);
  color:var(--text);
}
.hero-card h3{font-size:17px;margin-bottom:16px;display:flex;align-items:center;gap:9px}
.hero-card h3 i{color:var(--cyan)}
.status-row{
  display:flex;align-items:flex-start;gap:12px;padding:14px 0;border-bottom:1px dashed var(--border);
}
.status-row:last-of-type{border-bottom:0;padding-bottom:4px}
.status-row i{
  width:34px;height:34px;border-radius:10px;flex-shrink:0;
  display:flex;align-items:center;justify-content:center;font-size:14px;
  background:rgba(31,200,167,.14);color:#0F7B67;
}
.status-row strong{display:block;font-size:14.5px;color:var(--ink-purple);font-weight:700}
.status-row span{font-size:13.5px;color:var(--muted);line-height:1.65}

/* ---------- 板块通用 ---------- */
.section{padding:96px 0}
.section-alt{background:#fff}
.section-head{max-width:780px;margin-bottom:48px}
.section-head h2{font-size:31px;line-height:1.35;margin-bottom:14px}
.section-head p{color:var(--muted);font-size:16.5px;margin:0}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}

/* ---------- 月历 ---------- */
.calendar-layout{display:grid;grid-template-columns:1.55fr 1fr;gap:44px;align-items:start}
.calendar-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:26px;box-shadow:var(--shadow);
}
.calendar-top{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin-bottom:20px}
.calendar-top h3{font-size:19px;display:flex;align-items:center;gap:9px}
.calendar-top h3 i{color:var(--cyan)}
.cal-grid{display:grid;grid-template-columns:repeat(7,1fr);gap:8px}
.cal-week{
  text-align:center;font-size:13px;font-weight:700;color:var(--muted);
  padding:8px 0;letter-spacing:1px;
}
.cal-cell{
  min-height:92px;border:1px solid var(--border);border-radius:14px;
  padding:10px;background:var(--paper);
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.cal-cell:hover{border-color:var(--cyan);transform:translateY(-2px);box-shadow:0 8px 20px rgba(31,200,167,.14)}
.cal-cell.is-empty{border-style:dashed;background:transparent;opacity:.45}
.cal-cell.is-empty:hover{transform:none;box-shadow:none;border-color:var(--border)}
.cal-cell.has-event{background:#fff;border-color:rgba(31,200,167,.55);box-shadow:0 6px 18px rgba(31,200,167,.14)}
.cal-date{font-size:14px;font-weight:800;color:var(--ink-purple);display:flex;align-items:center;justify-content:space-between}
.cal-date .dot{width:7px;height:7px;border-radius:50%;background:var(--cyan)}
.cal-cell.has-event .dot{background:var(--apricot)}
.cal-tag{display:block;margin-top:8px;font-size:12.5px;line-height:1.5;color:var(--muted)}
.cal-legend{display:flex;flex-wrap:wrap;gap:18px;margin-top:20px;font-size:13px;color:var(--muted)}
.cal-legend span{display:inline-flex;align-items:center;gap:7px}
.cal-legend i{width:9px;height:9px;border-radius:50%;display:inline-block}
.cal-legend .lg-event{background:var(--apricot)}
.cal-legend .lg-normal{background:#D8D2C8}

.side-stack{display:grid;gap:20px}
.side-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  padding:24px;box-shadow:var(--shadow);transition:box-shadow .25s ease,transform .25s ease;
}
.side-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.side-card h4{font-size:17px;margin-bottom:10px;display:flex;align-items:center;gap:9px}
.side-card h4 i{color:var(--cyan)}
.side-card p{font-size:14.5px;color:var(--muted);margin:0}
.side-card ul li{
  display:flex;gap:10px;padding:9px 0;font-size:14.5px;color:var(--muted);
  border-bottom:1px dashed var(--border);
}
.side-card ul li:last-child{border-bottom:0}
.side-card ul li i{color:var(--cyan);margin-top:6px;font-size:12px}

/* ---------- 时间线 ---------- */
.timeline{position:relative;margin-top:8px}
.timeline::before{
  content:"";position:absolute;left:50%;top:12px;bottom:12px;width:2px;
  background:linear-gradient(180deg,rgba(31,200,167,.7),rgba(226,221,213,.9));
  transform:translateX(-1px);
}
.tl-item{display:grid;grid-template-columns:1fr 96px 1fr;align-items:start;margin-bottom:40px}
.tl-item:last-child{margin-bottom:0}
.tl-card{
  grid-column:1;grid-row:1;
  background:#fff;border:1px solid var(--border);border-radius:18px;
  padding:26px;box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(31,200,167,.5)}
.tl-item:nth-child(even) .tl-card{grid-column:3}
.tl-card .badge{margin-bottom:12px}
.tl-card h3{font-size:20px;margin-bottom:10px}
.tl-card p{font-size:15px;color:var(--muted);margin:0}
.tl-dot{
  grid-column:2;grid-row:1;justify-self:center;
  width:56px;height:56px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:var(--ink-purple);color:#fff;font-weight:800;font-size:15px;
  border:4px solid var(--paper);
  box-shadow:0 8px 22px rgba(36,27,58,.22);
}
.tl-item:nth-child(odd) .tl-dot{background:var(--ink-purple)}
.tl-item:nth-child(even) .tl-dot{background:var(--cyan);color:#0B2B24}

/* ---------- 图文摘要 ---------- */
.summary-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.summary-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--radius);
  overflow:hidden;box-shadow:var(--shadow);
  display:flex;flex-direction:column;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.summary-card:hover{transform:translateY(-5px);box-shadow:var(--shadow-hover);border-color:rgba(31,200,167,.5)}
.summary-card figure{margin:0;aspect-ratio:16/10;overflow:hidden;background:#EDE9E1}
.summary-card figure img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.summary-card:hover figure img{transform:scale(1.04)}
.summary-body{padding:24px;display:flex;flex-direction:column;gap:10px;flex:1}
.summary-body h3{font-size:19px;line-height:1.45}
.summary-body p{font-size:14.8px;color:var(--muted);margin:0;flex:1}
.summary-meta{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted);border-top:1px dashed var(--border);padding-top:14px}
.summary-meta i{margin-right:6px;color:var(--cyan)}

/* ---------- 参与须知 ---------- */
.notice-layout{display:grid;grid-template-columns:.9fr 1.1fr;gap:52px;align-items:start}
.notice-sticky{position:sticky;top:104px}
.notice-sticky h2{font-size:31px;margin-bottom:16px}
.notice-sticky p{color:var(--muted);font-size:16px}
.notice-list{display:grid;gap:16px}
.notice-item{
  display:flex;gap:18px;align-items:flex-start;
  background:#fff;border:1px solid var(--border);border-radius:16px;padding:22px 24px;
  box-shadow:var(--shadow);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.notice-item:hover{transform:translateX(4px);box-shadow:var(--shadow-hover);border-color:rgba(31,200,167,.5)}
.notice-num{
  flex-shrink:0;width:38px;height:38px;border-radius:12px;
  display:flex;align-items:center;justify-content:center;
  background:rgba(31,200,167,.14);color:#0F7B67;font-weight:800;font-size:14.5px;
}
.notice-item h3{font-size:17px;margin-bottom:6px}
.notice-item p{font-size:14.6px;color:var(--muted);margin:0}
.notice-warn{
  display:flex;gap:14px;align-items:flex-start;
  background:rgba(201,122,30,.08);border:1px solid rgba(201,122,30,.28);
  border-radius:16px;padding:20px 22px;margin-top:18px;
}
.notice-warn i{color:var(--warn);font-size:17px;margin-top:5px}
.notice-warn p{margin:0;font-size:14.6px;color:#8A5514}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:900px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:16px;
  margin-bottom:14px;overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:rgba(31,200,167,.55);box-shadow:var(--shadow)}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:22px 24px;cursor:pointer;list-style:none;
  font-size:17.5px;font-weight:800;color:var(--ink-purple);
  transition:background-color .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:rgba(31,200,167,.06)}
.faq-item summary .sign{
  flex-shrink:0;width:30px;height:30px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:rgba(36,27,58,.07);color:var(--ink-purple);
  font-size:16px;font-weight:700;transition:transform .22s ease,background-color .22s ease,color .22s ease;
}
.faq-item[open] summary .sign{background:var(--cyan);color:#0B2B24;transform:rotate(180deg)}
.faq-body{padding:0 24px 24px;color:var(--muted);font-size:15.5px;line-height:1.9}
.faq-body p{margin:0}
.faq-body ul{margin-top:10px}
.faq-body ul li{position:relative;padding-left:18px;margin-bottom:8px;font-size:15px}
.faq-body ul li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--cyan)}

/* ---------- CTA ---------- */
.cta-band{
  background:linear-gradient(120deg,var(--ink-purple),var(--ink-deep));
  color:#fff;padding:88px 0;position:relative;overflow:hidden;
}
.cta-band::before{
  content:"";position:absolute;right:-140px;top:-140px;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(31,200,167,.2),transparent 68%);
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.4fr 1fr;gap:44px;align-items:center}
.cta-inner h2{color:#fff;font-size:31px;margin-bottom:14px}
.cta-inner p{color:rgba(255,255,255,.78);font-size:16.5px;margin:0}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink-deep);color:rgba(255,255,255,.72);padding:72px 0 0;font-size:14.5px}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:48px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{color:rgba(255,255,255,.6);font-size:14px;line-height:1.85;margin:0;max-width:340px}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:18px;letter-spacing:.5px}
.footer-col ul li{margin-bottom:11px}
.footer-col ul li a{color:rgba(255,255,255,.66);font-size:14.2px}
.footer-col ul li a:hover{color:var(--cyan)}
.footer-col ul li i{color:var(--cyan);margin-right:9px;font-size:13px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0 28px;display:flex;flex-wrap:wrap;gap:12px;
  justify-content:space-between;font-size:13px;color:rgba(255,255,255,.5);
}
.footer-bottom a{color:rgba(255,255,255,.72)}
.footer-bottom a:hover{color:var(--cyan)}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .page-hero h1{font-size:40px}
  .calendar-layout{gap:32px}
}
@media (max-width:1024px){
  .nav-links{
    position:absolute;top:72px;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    background:var(--ink-purple);padding:14px 20px 22px;
    border-bottom:1px solid rgba(255,255,255,.1);
    box-shadow:0 18px 32px rgba(21,16,34,.3);
    transform:translateY(-12px);opacity:0;pointer-events:none;
    transition:opacity .22s ease,transform .22s ease;
  }
  .nav-links.open{transform:translateY(0);opacity:1;pointer-events:auto}
  .nav-links a{padding:13px 14px;font-size:15.5px;border-radius:12px}
  .nav-links a.active{background:rgba(31,200,167,.14)}
  .nav-links a.active::after{display:none}
  .nav-toggle{display:flex}
  .page-hero{padding:64px 0 72px}
  .page-hero .hero-grid{grid-template-columns:1fr;gap:36px}
  .page-hero h1{font-size:35px}
  .section{padding:76px 0}
  .section-head h2,.notice-sticky h2,.cta-inner h2{font-size:27px}
  .calendar-layout{grid-template-columns:1fr}
  .summary-grid{grid-template-columns:1fr 1fr}
  .notice-layout{grid-template-columns:1fr;gap:32px}
  .notice-sticky{position:static}
  .cta-inner{grid-template-columns:1fr}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:768px){
  body{font-size:16px}
  .container{padding:0 18px}
  .nav-wrap{height:64px;gap:14px}
  .site-header .nav-links{top:64px}
  .brand-text strong{font-size:15px}
  .brand-text span{font-size:9.5px;letter-spacing:2px}
  .btn-nav{height:42px;padding:0 16px;font-size:13.5px}
  .page-hero{padding:52px 0 58px}
  .page-hero h1{font-size:29px}
  .page-hero .lead{font-size:16px}
  .section{padding:58px 0}
  .section-head{margin-bottom:32px}
  .section-head h2,.notice-sticky h2,.cta-inner h2{font-size:24px}
  .calendar-card{padding:18px}
  .cal-grid{gap:5px}
  .cal-cell{min-height:52px;padding:6px;border-radius:11px}
  .cal-cell .cal-tag{display:none}
  .cal-date{font-size:12.5px}
  .cal-week{font-size:11.5px;padding:6px 0}
  .timeline::before{left:15px}
  .tl-item{grid-template-columns:52px 1fr;margin-bottom:26px}
  .tl-dot{grid-column:1;grid-row:1;width:44px;height:44px;font-size:13px;border-width:3px;justify-self:start}
  .tl-card{grid-column:2 !important;padding:20px}
  .tl-card h3{font-size:18px}
  .summary-grid{grid-template-columns:1fr;gap:20px}
  .notice-item{padding:18px 18px;gap:14px}
  .faq-item summary{padding:18px 18px;font-size:16px}
  .faq-body{padding:0 18px 20px;font-size:15px}
  .cta-band{padding:64px 0}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:34px}
  .footer-bottom{flex-direction:column;gap:8px;font-size:12.5px}
}
@media (max-width:520px){
  .page-hero h1{font-size:26px}
  .hero-actions .btn{width:100%}
  .btn{padding:0 20px}
  .cal-cell{min-height:44px;border-radius:9px;padding:5px}
  .cal-date{font-size:11.5px}
  .cal-date .dot{width:5px;height:5px}
  .summary-body{padding:20px}
  .notice-num{width:32px;height:32px;font-size:13px}
  .cta-actions .btn{width:100%}
}

/* roulang page: category5 */
:root{
  --ink:#241B3A;
  --ink-deep:#151022;
  --cyan:#1FC8A7;
  --cyan-dark:#17A98F;
  --peach:#FF8A5B;
  --paper:#F7F4EE;
  --white:#FFFFFF;
  --text:#17131F;
  --muted:#6B6575;
  --line:#E2DDD5;
  --ok:#2E9E6B;
  --warn:#C97A1E;
  --danger:#C84A4A;
  --radius-lg:20px;
  --radius-md:16px;
  --radius-sm:12px;
  --shadow:0 10px 30px rgba(36,27,58,.08);
  --shadow-hover:0 16px 40px rgba(36,27,58,.14);
  --font-cn:"MiSans","HarmonyOS Sans SC","PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,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:17px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);font-weight:700;letter-spacing:.2px}
h1{font-size:44px;line-height:1.2}
h2{font-size:30px;line-height:1.3}
h3{font-size:21px;line-height:1.4}
h4{font-size:18px;line-height:1.5}
p{margin:0 0 18px}
p:last-child{margin-bottom:0}
a{color:inherit;text-decoration:none;transition:color .18s ease}
ul{margin:0;padding:0;list-style:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
input,textarea,select{font:inherit}
:focus-visible{outline:3px solid rgba(31,200,167,.35);outline-offset:2px}
.container{width:min(1220px,100% - 48px);margin-inline:auto}
.section{padding:92px 0}
.section-tight{padding:64px 0}
.section-head{max-width:760px;margin-bottom:44px}
.section-head h2{font-size:32px;margin-bottom:16px}
.section-head p{color:var(--muted);font-size:17px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.14em;
  color:var(--cyan-dark);text-transform:uppercase;margin-bottom:14px;
}
.eyebrow::before{content:"";width:26px;height:2px;background:var(--cyan);border-radius:2px}

/* ===== 按钮 ===== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  padding:13px 24px;border-radius:999px;
  font-size:16px;font-weight:600;line-height:1;
  border:1px solid transparent;
  transition:background-color .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease,border-color .18s ease;
}
.btn i{font-size:14px}
.btn-primary{background:var(--cyan);color:#0C2723;box-shadow:0 8px 22px rgba(31,200,167,.28)}
.btn-primary:hover{background:var(--cyan-dark);transform:translateY(-1px);box-shadow:0 12px 26px rgba(31,200,167,.34)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{border-color:var(--ink);color:var(--ink)}
.btn-ghost:hover{background:var(--ink);color:#fff}
.btn-ghost:active{transform:scale(.98)}
.btn-light{border-color:rgba(255,255,255,.5);color:#fff}
.btn-light:hover{background:#fff;color:var(--ink);border-color:#fff}
.btn-link{
  display:inline-flex;align-items:center;gap:8px;
  font-weight:600;color:var(--ink);font-size:16px;
}
.btn-link i{transition:transform .18s ease;font-size:14px;color:var(--cyan-dark)}
.btn-link:hover{color:var(--cyan-dark);box-shadow:inset 0 -2px 0 var(--peach)}
.btn-link:hover i{transform:translateX(3px)}
.btn-nav{height:46px;padding:0 22px}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:var(--ink);
  box-shadow:0 6px 24px rgba(21,16,34,.28);
}
.nav-wrap{display:flex;align-items:center;gap:26px;height:72px}
.brand{display:inline-flex;align-items:center;gap:12px;flex-shrink:0}
.brand-mark{
  width:40px;height:40px;border-radius:12px;
  background:var(--cyan);color:#0C2723;
  display:grid;place-items:center;
  font-size:20px;font-weight:800;
  box-shadow:0 6px 16px rgba(31,200,167,.32);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{color:#fff;font-size:16px;font-weight:700;letter-spacing:.4px}
.brand-text span{color:#9C94B4;font-size:11px;letter-spacing:.22em}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-links a{
  position:relative;
  padding:9px 13px;border-radius:10px;
  color:#C9C3D6;font-size:15px;font-weight:500;
  transition:color .18s ease,background-color .18s ease;
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav-links a.active{color:var(--cyan)}
.nav-links a.active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;
  background:var(--cyan);border-radius:2px;
}
.nav-actions{display:flex;align-items:center;gap:12px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;
  background:rgba(255,255,255,.1);color:#fff;font-size:18px;
}
.nav-toggle:hover{background:rgba(255,255,255,.18)}

/* ===== 内页首屏 ===== */
.page-hero{
  position:relative;
  color:#fff;
  padding:76px 0 68px;
  background-image:linear-gradient(115deg,rgba(21,16,34,.9),rgba(36,27,58,.78)),url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.page-hero h1{color:#fff;max-width:16em}
.page-hero .lead{color:#D6D1E2;font-size:18px;max-width:44em;margin-top:18px}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:#A79FBD;margin-bottom:22px}
.crumbs a:hover{color:var(--cyan)}
.crumbs i{font-size:10px;color:#6E668A}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;
  background:rgba(31,200,167,.16);border:1px solid rgba(31,200,167,.45);
  color:#8DF0DA;font-size:13px;font-weight:600;letter-spacing:.06em;margin-bottom:20px;
}
.hero-chips{display:flex;flex-wrap:wrap;gap:12px;margin-top:32px}
.hero-chips a{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;border-radius:999px;
  border:1px solid rgba(255,255,255,.28);
  color:#EDEAF5;font-size:14px;font-weight:500;
  background:rgba(255,255,255,.05);
  transition:border-color .18s ease,color .18s ease,background-color .18s ease;
}
.hero-chips a:hover{border-color:var(--cyan);color:#fff;background:rgba(31,200,167,.16)}
.hero-chips a i{font-size:12px;color:var(--cyan)}

/* ===== 分组定位卡 ===== */
.group-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.group-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:30px 26px;box-shadow:var(--shadow);
  display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.group-card:hover{transform:translateY(-4px);border-color:var(--cyan);box-shadow:var(--shadow-hover)}
.group-num{
  font-size:14px;font-weight:800;letter-spacing:.12em;color:var(--cyan-dark);
  display:inline-flex;align-items:center;gap:10px;margin-bottom:16px;
}
.group-num::after{content:"";width:22px;height:1px;background:var(--line)}
.group-card h3{margin-bottom:10px;font-size:20px}
.group-card p{color:var(--muted);font-size:15.5px;line-height:1.8;margin-bottom:20px}
.group-card .btn-link{margin-top:auto;font-size:15px}

/* ===== 图文引导 ===== */
.split{display:grid;grid-template-columns:1.02fr .98fr;gap:52px;align-items:center}
.split-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;box-shadow:var(--shadow-hover)}
.split-media img{width:100%;aspect-ratio:16/11;object-fit:cover}
.split-media .stamp{
  position:absolute;left:18px;bottom:18px;
  background:rgba(21,16,34,.82);color:#fff;
  padding:8px 14px;border-radius:999px;font-size:13px;letter-spacing:.06em;
}
.split-text h2{margin-bottom:18px}
.split-text > p{color:var(--muted)}
.check-list{margin-top:26px;display:grid;gap:14px}
.check-list li{
  display:flex;gap:14px;align-items:flex-start;
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:16px 18px;font-size:16px;box-shadow:0 4px 14px rgba(36,27,58,.05);
}
.check-list li i{color:var(--cyan-dark);margin-top:5px;font-size:15px}
.check-list li strong{color:var(--ink)}

/* ===== FAQ 双栏 ===== */
.faq-wrap{background:#FFFDF9;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.faq-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:8px 32px;align-items:start}
.faq-col{display:flex;flex-direction:column}
.faq-item{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-md);
  margin-bottom:14px;overflow:hidden;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item:hover{border-color:#CFC7BB;box-shadow:0 6px 18px rgba(36,27,58,.06)}
.faq-item.open{border-color:var(--cyan);box-shadow:0 10px 26px rgba(31,200,167,.14)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:19px 20px;text-align:left;
  font-size:17.5px;font-weight:600;color:var(--ink);line-height:1.5;
}
.faq-q:hover{background:#FAF8F3}
.faq-sign{
  flex:0 0 auto;width:28px;height:28px;border-radius:50%;
  background:var(--paper);color:var(--ink);
  display:grid;place-items:center;font-size:16px;font-weight:700;
  transition:background-color .2s ease,color .2s ease,transform .2s ease;
}
.faq-item.open .faq-sign{background:var(--cyan);color:#0C2723;transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease}
.faq-a-inner{padding:0 20px 20px}
.faq-a-inner p{font-size:15.5px;line-height:1.85;color:var(--muted);margin-bottom:12px}
.faq-a-inner ul{display:grid;gap:8px;margin-bottom:12px}
.faq-a-inner ul li{position:relative;padding-left:18px;font-size:15.5px;color:var(--muted)}
.faq-a-inner ul li::before{content:"";position:absolute;left:0;top:11px;width:6px;height:6px;border-radius:50%;background:var(--cyan)}
.faq-tip{
  background:rgba(31,200,167,.1);border-left:3px solid var(--cyan);
  border-radius:8px;padding:10px 14px;font-size:14.5px;color:#1D6E5E;
}

/* ===== 风险提示条 ===== */
.notice-band{
  display:flex;gap:22px;align-items:flex-start;
  background:linear-gradient(100deg,rgba(255,138,91,.14),rgba(200,74,74,.09));
  border:1px solid #EBD3C6;border-radius:var(--radius-lg);
  padding:30px 32px;
}
.notice-band .notice-icon{
  flex:0 0 auto;width:52px;height:52px;border-radius:16px;
  background:#fff;color:var(--danger);display:grid;place-items:center;font-size:22px;
  box-shadow:0 8px 20px rgba(200,74,74,.16);
}
.notice-band h2{font-size:24px;margin-bottom:14px}
.notice-points{display:grid;gap:10px;margin-top:6px}
.notice-points li{display:flex;gap:12px;font-size:15.5px;color:#5C5548}
.notice-points li i{color:var(--warn);margin-top:6px;font-size:13px}

/* ===== 相关栏目 ===== */
.rel-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:26px}
.rel-card{
  background:var(--white);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--shadow);display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.rel-card:hover{transform:translateY(-4px);border-color:var(--cyan);box-shadow:var(--shadow-hover)}
.rel-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.rel-body{padding:24px 24px 26px;display:flex;flex-direction:column;flex:1}
.rel-body h3{font-size:19px;margin-bottom:10px}
.rel-body p{color:var(--muted);font-size:15.5px;margin-bottom:20px}
.rel-body .btn-link{margin-top:auto}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  align-self:flex-start;
  padding:5px 12px;border-radius:999px;
  background:rgba(36,27,58,.07);color:var(--ink);
  font-size:12.5px;font-weight:600;letter-spacing:.04em;margin-bottom:12px;
}
.badge-cyan{background:rgba(31,200,167,.16);color:#15806B}

/* ===== CTA ===== */
.cta-band{
  background:linear-gradient(120deg,#241B3A 0%,#151022 100%);
  color:#fff;border-radius:24px;padding:60px 56px;text-align:center;
  box-shadow:0 20px 50px rgba(21,16,34,.28);
  position:relative;overflow:hidden;
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;
  background:radial-gradient(circle,rgba(31,200,167,.28),transparent 68%);
}
.cta-band h2{color:#fff;font-size:32px;margin-bottom:16px;position:relative}
.cta-band p{color:#CFC9DA;max-width:44em;margin:0 auto 30px;position:relative;font-size:17px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;position:relative}

/* ===== 页脚 ===== */
.site-footer{background:var(--ink-deep);color:#CFC9DA;padding:74px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.35fr;gap:44px}
.footer-brand p{color:#9C94B4;font-size:15px;line-height:1.85;margin-top:18px;max-width:32em}
.footer-col h4{color:#fff;font-size:16px;margin-bottom:20px;letter-spacing:.04em}
.footer-col ul{display:grid;gap:12px}
.footer-col ul li{font-size:15px;color:#9C94B4;line-height:1.7}
.footer-col ul li a:hover{color:var(--cyan)}
.footer-col ul li i{color:var(--cyan);width:18px;margin-right:6px;font-size:13px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  margin-top:52px;padding:22px 0 28px;
  display:flex;justify-content:space-between;flex-wrap:wrap;gap:10px;
  font-size:13px;color:#8E88A0;
}
.footer-bottom a{color:#B7B0C9;text-decoration:underline;text-decoration-color:rgba(183,176,201,.4)}
.footer-bottom a:hover{color:var(--cyan)}

/* ===== 响应式 ===== */
@media (max-width:1180px){
  .group-grid{grid-template-columns:repeat(2,1fr)}
  .rel-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:36px}
  .footer-col:last-child{grid-column:1 / -1}
}
@media (max-width:1024px){
  h1{font-size:36px}
  .nav-links{
    position:absolute;top:100%;left:0;right:0;
    flex-direction:column;align-items:stretch;gap:2px;
    background:#1D1630;padding:14px 24px 22px;
    box-shadow:0 18px 34px rgba(21,16,34,.4);
    display:none;margin-left:0;
  }
  .nav-links.open{display:flex}
  .nav-links a{padding:13px 14px;border-radius:10px;font-size:16px}
  .nav-links a.active::after{display:none}
  .nav-links a.active{background:rgba(31,200,167,.14)}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center}
  .nav-wrap{gap:16px;justify-content:space-between}
  .nav-actions{margin-left:auto}
  .split{grid-template-columns:1fr;gap:36px}
  .faq-grid{grid-template-columns:1fr}
  .section{padding:72px 0}
  .cta-band{padding:48px 34px}
}
@media (max-width:768px){
  body{font-size:16px}
  h1{font-size:31px}
  h2{font-size:25px}
  .section{padding:56px 0}
  .section-head h2{font-size:25px}
  .group-grid{grid-template-columns:1fr}
  .rel-grid{grid-template-columns:1fr}
  .page-hero{padding:56px 0 50px}
  .page-hero .lead{font-size:16.5px}
  .notice-band{flex-direction:column;padding:26px 22px}
  .footer-grid{grid-template-columns:1fr;gap:34px}
  .footer-col:last-child{grid-column:auto}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .faq-q{font-size:16.5px;padding:17px 18px}
  .cta-band{border-radius:20px;padding:40px 24px}
  .cta-actions .btn{width:100%}
}
@media (max-width:520px){
  .container{width:min(1220px,100% - 32px)}
  h1{font-size:28px}
  .nav-actions .btn-nav{padding:0 16px;font-size:14px}
  .brand-text span{display:none}
  .hero-chips a{font-size:13px;padding:9px 14px}
  .btn{padding:12px 20px;font-size:15px}
  .group-card{padding:24px 20px}
  .check-list li{padding:14px 15px;font-size:15px}
}