/* roulang page: index */
:root{
  --bg-0:#05070E;--bg-1:#0A0F1C;--bg-2:#101728;--bg-3:#16203A;
  --line:rgba(255,255,255,.08);--line-strong:rgba(255,255,255,.16);
  --brand:#12E6B8;--brand-deep:#0A9E80;--brand-soft:rgba(18,230,184,.12);
  --accent:#FF3F7F;--warn:#FFC24B;
  --tx-1:#E9F1F5;--tx-2:#94A6B8;--tx-3:#5F7285;
  --r-card:16px;--r-btn:12px;--r-img:14px;--r-input:10px;
  --sh:0 8px 24px rgba(0,0,0,.35);--sh-h:0 14px 36px rgba(0,0,0,.45);
  --nav-w:240px;
  --bs-body-bg:#05070E;--bs-body-color:#E9F1F5;--bs-primary:#12E6B8;
  --bs-link-color:#E9F1F5;--bs-link-hover-color:#12E6B8;
  --bs-border-color:rgba(255,255,255,.08);--bs-border-radius:16px;
  --bs-font-sans-serif:-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;background:var(--bg-0);color:var(--tx-1);
  font-family:-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
a{color:var(--tx-1);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
img{max-width:100%;height:auto;display:block}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding-left:0;list-style:none}
button,input,select,textarea{font-family:inherit;font-size:inherit}
:focus-visible{outline:3px solid rgba(18,230,184,.35);outline-offset:2px}

/* ============ 布局骨架 ============ */
.app-shell{min-height:100vh}
.side-nav{
  position:fixed;top:0;left:0;bottom:0;width:var(--nav-w);
  background:linear-gradient(180deg,#0A0F1C 0%,#05070E 100%);
  border-right:1px solid var(--line);
  display:flex;flex-direction:column;z-index:1040;
  transition:width .24s cubic-bezier(.2,.7,.3,1);
}
.brand{
  height:72px;display:flex;align-items:center;gap:11px;padding:0 20px;
  border-bottom:1px solid var(--line);flex:0 0 auto;
}
.brand:hover{text-decoration:none}
.brand-mark{
  width:34px;height:34px;flex:0 0 34px;border-radius:10px;
  background:linear-gradient(120deg,#12E6B8,#0AC7C7);
  color:#04121A;font-weight:800;font-size:15px;
  display:flex;align-items:center;justify-content:center;
}
.brand-text{font-size:14px;font-weight:700;line-height:1.3;color:var(--tx-1);white-space:nowrap}
.brand-text span{display:block;font-size:11px;font-weight:500;color:var(--tx-3);letter-spacing:.04em}
.nav-menu{flex:1 1 auto;padding:16px 12px;overflow-y:auto}
.nav-label{font-size:11px;color:var(--tx-3);padding:0 12px 10px;letter-spacing:.08em}
.nav-item{
  position:relative;display:flex;align-items:center;gap:12px;
  height:44px;padding:0 12px;border-radius:10px;
  color:var(--tx-2);font-size:15px;white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.nav-item i{width:18px;text-align:center;font-size:15px;flex:0 0 18px}
.nav-item:hover{background:rgba(255,255,255,.04);color:var(--tx-1);text-decoration:none}
.nav-item:hover::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:1px;height:20px;background:var(--brand);opacity:.55;
}
.nav-item.active{background:rgba(255,255,255,.06);color:var(--brand)}
.nav-item.active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:22px;border-radius:2px;background:var(--brand);
  box-shadow:0 0 10px rgba(18,230,184,.65);
}
.nav-sep{height:1px;background:var(--line);margin:12px 12px}
.nav-foot{padding:16px 16px 20px;border-top:1px solid var(--line);flex:0 0 auto}
.nav-foot .btn-brand{width:100%;justify-content:center}
.nav-foot p{font-size:12px;color:var(--tx-3);margin-top:10px;text-align:center;line-height:1.6}
.app-main{margin-left:var(--nav-w);min-height:100vh;position:relative;z-index:1}
.wrap{max-width:1200px;margin:0 auto;padding:0 32px;width:100%}

/* ============ 顶部移动栏 ============ */
.top-bar{
  display:none;height:56px;align-items:center;justify-content:space-between;
  padding:0 16px;background:rgba(10,15,28,.94);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);position:sticky;top:0;z-index:1035;
}
.top-bar .brand-mini{display:flex;align-items:center;gap:8px;font-size:13px;font-weight:700}
.icon-btn{
  width:38px;height:38px;border-radius:10px;border:1px solid var(--line);
  background:var(--bg-2);color:var(--tx-1);display:flex;align-items:center;justify-content:center;
}
.icon-btn:hover{color:var(--brand);border-color:rgba(18,230,184,.35)}
.drawer-mask{
  position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:1050;
  opacity:0;visibility:hidden;transition:opacity .22s ease,visibility .22s ease;
}
.drawer-mask.show{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;left:0;bottom:0;width:280px;background:#0A0F1C;
  border-right:1px solid var(--line);z-index:1051;transform:translateX(-100%);
  transition:transform .26s cubic-bezier(.2,.7,.3,1);display:flex;flex-direction:column;
}
.drawer.show{transform:translateX(0)}

/* ============ 通用 ============ */
.btn-brand{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 24px;border:0;border-radius:var(--r-btn);
  background:linear-gradient(120deg,#12E6B8,#0AC7C7);color:#04121A;
  font-size:15px;font-weight:700;letter-spacing:.01em;
  box-shadow:0 0 24px rgba(18,230,184,.32);cursor:pointer;
  transition:filter .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-brand:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 0 30px rgba(18,230,184,.42);color:#04121A;text-decoration:none}
.btn-brand:active{transform:translateY(1px);filter:brightness(.96)}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 24px;border:1px solid var(--line-strong);border-radius:var(--r-btn);
  background:transparent;color:var(--tx-1);font-size:15px;font-weight:600;cursor:pointer;
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.btn-ghost:hover{color:var(--brand);border-color:var(--brand);background:rgba(18,230,184,.08);text-decoration:none}
.btn-capsule{border-radius:999px}
.chip{
  display:inline-block;padding:3px 10px;border-radius:999px;font-size:12px;
  background:var(--brand-soft);color:var(--brand);line-height:1.6;
}
.chip-accent{background:rgba(255,63,127,.12);color:var(--accent)}
.chip-warn{background:rgba(255,194,75,.14);color:var(--warn)}
.section{padding:96px 0}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{margin-bottom:44px;max-width:760px}
.section-head h2{font-size:clamp(1.6rem,2.4vw,2.15rem);font-weight:700;line-height:1.3;letter-spacing:-.01em}
.section-head p{color:var(--tx-2);font-size:15px;margin-top:12px}
.head-row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px}
.head-row .section-head{margin-bottom:0}
.head-row .more{font-size:14px;color:var(--tx-2);white-space:nowrap}
.head-row .more:hover{color:var(--brand)}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;border-bottom:1px solid var(--line);
  background:radial-gradient(60% 60% at 70% 30%,rgba(18,230,184,.18),transparent 70%),var(--bg-0);
}
.hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:24px 24px;
  mask-image:radial-gradient(70% 70% at 60% 40%,#000 20%,transparent 100%);
  -webkit-mask-image:radial-gradient(70% 70% at 60% 40%,#000 20%,transparent 100%);
}
.hero-inner{position:relative;z-index:2;padding:78px 0 72px;min-height:560px;display:flex;align-items:center}
.hero-copy h1{
  font-size:clamp(2.25rem,4vw,3.4rem);font-weight:800;line-height:1.16;
  letter-spacing:-.02em;margin-bottom:20px;
  background:linear-gradient(120deg,#E9F1F5 30%,#12E6B8 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-copy .lead{font-size:17px;color:var(--tx-2);max-width:520px;margin-bottom:12px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin:20px 0 30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px}
.hero-visual{position:relative;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line);box-shadow:var(--sh)}
.hero-visual img{width:100%;height:400px;object-fit:cover;opacity:.9}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,7,14,.15),rgba(5,7,14,.85));
}
.hero-visual .caption{
  position:absolute;left:20px;right:20px;bottom:18px;z-index:2;
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.hero-visual .caption span{font-size:13px;color:var(--tx-2)}
.hero-visual .caption strong{font-size:14px;color:var(--brand);font-weight:700}

/* ============ 信任条 ============ */
.trust-bar{border-bottom:1px solid var(--line);background:var(--bg-1)}
.trust-grid{display:grid;grid-template-columns:repeat(4,1fr);padding:26px 0}
.trust-item{padding:0 26px;border-left:1px solid var(--line)}
.trust-item:first-child{border-left:0;padding-left:0}
.trust-num{font-size:28px;font-weight:800;color:var(--brand);font-variant-numeric:tabular-nums;line-height:1.2}
.trust-txt{font-size:13px;color:var(--tx-3);margin-top:4px}

/* ============ 阶梯 ============ */
.ladder{display:flex;flex-direction:column;gap:18px}
.ladder-row{display:grid;grid-template-columns:130px 1fr;gap:26px;align-items:center}
.ladder-num{
  font-size:64px;font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:1px rgba(18,230,184,.55);
  font-variant-numeric:tabular-nums;letter-spacing:-.03em;
}
.ladder-card{
  border:1px solid var(--line);border-radius:var(--r-card);background:var(--bg-2);
  padding:26px 28px;box-shadow:var(--sh);
  transition:transform .22s cubic-bezier(.2,.7,.3,1),border-color .22s ease,box-shadow .22s ease;
}
.ladder-card:hover{transform:translateY(-4px);border-color:rgba(18,230,184,.35);box-shadow:var(--sh-h)}
.ladder-card h3{font-size:1.15rem;font-weight:600;margin-bottom:10px}
.ladder-card p{color:var(--tx-2);font-size:14px}
.ladder-card ul{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px}
.ladder-row:nth-child(2) .ladder-card{padding-top:40px;padding-bottom:40px}
.ladder-row:nth-child(3) .ladder-card{padding-top:52px;padding-bottom:52px;border-color:rgba(18,230,184,.28)}

/* ============ 对比表 ============ */
.plan-table-wrap{overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-card);background:var(--bg-2);box-shadow:var(--sh)}
.plan-table{width:100%;border-collapse:collapse;min-width:760px}
.plan-table th,.plan-table td{padding:16px 18px;text-align:left;font-size:14px;vertical-align:top}
.plan-table thead th{
  background:var(--bg-3);font-size:14px;font-weight:700;color:var(--tx-1);
  position:sticky;top:0;border-bottom:1px solid var(--line-strong);
}
.plan-table tbody tr:nth-child(even){background:rgba(255,255,255,.03)}
.plan-table tbody td:first-child{color:var(--tx-2);font-weight:600;white-space:nowrap}
.plan-table .num{text-align:right;font-variant-numeric:tabular-nums}
.plan-table .reco{
  border-left:1px solid rgba(18,230,184,.4);border-right:1px solid rgba(18,230,184,.4);
  background:rgba(18,230,184,.05);
}
.plan-table thead .reco{background:linear-gradient(180deg,rgba(18,230,184,.2),rgba(18,230,184,.06));color:var(--brand)}
.plan-table tbody tr:last-child td.reco{border-bottom:1px solid rgba(18,230,184,.4)}
.plan-note{margin-top:18px;font-size:13px;color:var(--tx-3)}

/* ============ 限时入口 ============ */
.glass-cta{
  display:grid;grid-template-columns:1fr auto;gap:32px;align-items:center;
  padding:34px 38px;border-radius:20px;
  border:1px solid rgba(18,230,184,.4);
  background:rgba(18,230,184,.07);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  box-shadow:0 0 24px rgba(18,230,184,.32);
}
.glass-cta h2{font-size:clamp(1.4rem,2vw,1.8rem);font-weight:700;margin-bottom:8px}
.glass-cta p{color:var(--tx-2);font-size:14px}
.countdown{display:flex;gap:14px;margin-top:20px}
.cd-cell{text-align:center;min-width:64px}
.cd-num{
  font-size:34px;font-weight:800;color:var(--warn);line-height:1.1;
  font-variant-numeric:tabular-nums;letter-spacing:-.02em;
}
.cd-lab{font-size:12px;color:var(--tx-3);margin-top:2px}

/* ============ 资讯 ============ */
.news-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:20px}
.news-card{
  display:block;border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--bg-2);padding:24px;box-shadow:var(--sh);
  transition:transform .22s cubic-bezier(.2,.7,.3,1),border-color .22s ease,box-shadow .22s ease;
}
.news-card:hover{transform:translateY(-4px);border-color:rgba(18,230,184,.35);box-shadow:var(--sh-h);text-decoration:none;color:var(--tx-1)}
.news-card h3{font-size:1.15rem;font-weight:600;line-height:1.5;margin-bottom:12px}
.news-card p{
  color:var(--tx-2);font-size:14px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-major{display:flex;flex-direction:column;justify-content:space-between;min-height:100%}
.news-major h3{font-size:1.35rem}
.news-meta{display:flex;align-items:center;gap:12px;margin-top:18px;font-size:13px;color:var(--tx-3)}
.news-side{display:flex;flex-direction:column;gap:20px}
.news-mini{flex:1;display:flex;gap:16px;padding:18px 20px}
.news-mini .thumb{
  width:78px;height:64px;flex:0 0 78px;border-radius:12px;overflow:hidden;
  border:1px solid var(--line);
}
.news-mini .thumb img{width:100%;height:100%;object-fit:cover;transition:transform .22s ease}
.news-mini:hover .thumb img{transform:scale(1.06)}
.news-mini h3{font-size:15px;margin-bottom:6px}
.empty-state{
  border:1px dashed var(--line-strong);border-radius:var(--r-card);
  min-height:200px;display:flex;flex-direction:column;align-items:center;justify-content:center;
  gap:14px;color:var(--tx-3);text-align:center;padding:32px;
}
.empty-state i{font-size:40px;color:var(--tx-3)}
.empty-state p{font-size:14px}

/* ============ FAQ ============ */
.faq-list{border-top:1px solid var(--line)}
.faq-item{display:flex;border-bottom:1px solid var(--line);position:relative}
.faq-q{
  flex:0 0 40%;text-align:left;background:transparent;border:0;
  padding:22px 24px 22px 0;color:var(--tx-2);font-size:16px;font-weight:600;
  cursor:pointer;position:relative;transition:color .2s ease;
}
.faq-q:hover{color:var(--tx-1)}
.faq-item.open .faq-q{color:var(--brand)}
.faq-item.open .faq-q::before{
  content:"";position:absolute;left:-14px;top:22px;bottom:22px;width:2px;background:var(--brand);
}
.faq-a{
  flex:1;padding:22px 0;color:var(--tx-2);font-size:15px;
  max-height:0;overflow:hidden;opacity:0;
  transition:max-height .28s ease,opacity .24s ease,padding .24s ease;
}
.faq-item.open .faq-a{max-height:320px;opacity:1;padding:22px 0}
.faq-a p+p{margin-top:10px}

/* ============ 表单 ============ */
.contact-panel{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start}
.contact-left h2{font-size:clamp(1.6rem,2.4vw,2.1rem);font-weight:700;line-height:1.3;margin-bottom:16px}
.contact-left>p{color:var(--tx-2);font-size:15px;margin-bottom:26px}
.contact-list li{display:flex;gap:14px;padding:16px 0;border-top:1px solid var(--line)}
.contact-list li:last-child{border-bottom:1px solid var(--line)}
.contact-list i{color:var(--brand);font-size:17px;margin-top:3px}
.contact-list strong{display:block;font-size:15px;font-weight:600;margin-bottom:4px}
.contact-list span{font-size:13px;color:var(--tx-3)}
.form-card{border:1px solid var(--line);border-radius:var(--r-card);background:var(--bg-2);padding:28px;box-shadow:var(--sh)}
.form-row{margin-bottom:18px}
.form-row label{display:block;font-size:13px;color:var(--tx-2);margin-bottom:8px}
.form-control,.form-select{
  width:100%;background:var(--bg-3);border:1px solid var(--line);
  border-radius:var(--r-input);color:var(--tx-1);padding:11px 14px;font-size:14px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.form-control::placeholder{color:var(--tx-3)}
.form-control:focus,.form-select:focus{
  outline:0;border-color:var(--brand);box-shadow:0 0 0 3px rgba(18,230,184,.18);
  background:var(--bg-3);color:var(--tx-1);
}
.form-select{appearance:none;background-image:url("data:image/svg+xml;charset=utf8,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%2394A6B8'%3E%3Cpath d='M8 11L3 6h10z'/%3E%3C/svg%3E");background-repeat:no-repeat;background-position:right 14px center;background-size:14px;padding-right:38px}
.form-check{display:flex;align-items:flex-start;gap:10px;font-size:13px;color:var(--tx-2)}
.form-check input{margin-top:4px;accent-color:#12E6B8}
.form-foot{display:flex;justify-content:flex-end;margin-top:22px}
.form-tip{margin-top:14px;font-size:13px;color:var(--brand);display:none}
.form-tip.show{display:block}

/* ============ 页脚 ============ */
.site-foot{border-top:1px solid var(--line);background:var(--bg-1);margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding:64px 0 44px}
.foot-col h4{font-size:14px;font-weight:600;color:var(--tx-2);margin-bottom:16px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.foot-brand .brand-mark{width:30px;height:30px;flex:0 0 30px;font-size:14px;border-radius:9px}
.foot-brand strong{font-size:15px}
.foot-col p{font-size:13px;color:var(--tx-3);line-height:1.8}
.foot-col ul li{margin-bottom:10px}
.foot-col ul a{font-size:14px;color:var(--tx-2)}
.foot-col ul a:hover{color:var(--brand)}
.foot-bottom{
  border-top:1px solid var(--line);padding:20px 0;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--tx-3);
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:999px;
  border:1px solid var(--line-strong);background:transparent;color:var(--tx-2);
  font-size:13px;cursor:pointer;transition:color .2s ease,border-color .2s ease;
}
.to-top:hover{color:var(--brand);border-color:var(--brand)}

/* ============ 响应式 ============ */
@media (max-width:1399px){
  .wrap{padding:0 28px}
}
@media (max-width:1199px){
  :root{--nav-w:76px}
  .brand{padding:0;justify-content:center}
  .brand-text,.nav-label,.nav-sep~*, .nav-foot p{display:none}
  .nav-menu{padding:16px 10px}
  .nav-item{justify-content:center;padding:0;gap:0}
  .nav-item span{display:none}
  .nav-item::after{
    content:attr(data-name);position:absolute;left:64px;top:50%;transform:translateY(-50%) scale(.96);
    background:var(--bg-3);border:1px solid var(--line);color:var(--tx-1);
    padding:6px 12px;border-radius:8px;font-size:13px;white-space:nowrap;
    opacity:0;pointer-events:none;transition:opacity .18s ease,transform .18s ease;z-index:60;
  }
  .nav-item:hover::after{opacity:1;transform:translateY(-50%) scale(1)}
  .nav-foot{padding:14px 10px}
  .nav-foot .btn-brand{padding:12px 0;justify-content:center}
  .nav-foot .btn-brand i{margin:0}
  .nav-foot .btn-brand span{display:none}
}
@media (max-width:991px){
  :root{--nav-w:0px}
  .side-nav{display:none}
  .top-bar{display:flex}
  .app-main{margin-left:0}
  .wrap{padding:0 16px}
  .section{padding:72px 0}
  .hero-inner{padding:52px 0 48px;min-height:0}
  .hero-visual{margin-top:36px}
  .hero-visual img{height:280px}
  .trust-grid{grid-template-columns:repeat(2,1fr);gap:22px 0}
  .trust-item{padding:0 20px}
  .trust-item:nth-child(odd){border-left:0;padding-left:0}
  .news-grid{grid-template-columns:1fr}
  .contact-panel{grid-template-columns:1fr;gap:32px}
  .glass-cta{grid-template-columns:1fr;padding:28px}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;padding:48px 0 32px}
  .faq-item{flex-direction:column}
  .faq-q{flex:1 1 auto;width:100%;padding:20px 0 8px}
  .faq-a{flex:1 1 auto;padding:0}
  .faq-item.open .faq-a{padding:0 0 20px}
  .faq-item.open .faq-q::before{top:20px;bottom:auto;height:20px}
}
@media (max-width:767px){
  .section{padding:56px 0}
  h1,.hero-copy h1{font-size:2rem}
  .ladder-row{grid-template-columns:1fr;gap:12px}
  .ladder-num{font-size:44px}
  .head-row{flex-direction:column;align-items:flex-start;gap:14px}
  .glass-cta .btn-brand{width:100%;justify-content:center}
  .countdown{gap:10px}
  .cd-num{font-size:28px}
  .btn-brand,.btn-ghost{width:100%;justify-content:center}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{width:100%}
  .form-foot .btn-brand{width:100%}
}
@media (max-width:575px){
  .trust-grid{grid-template-columns:1fr}
  .trust-item{border-left:0;padding-left:0}
  .foot-grid{grid-template-columns:1fr}
  .hero::after{display:none}
  .news-mini{flex-direction:column}
  .news-mini .thumb{width:100%;height:120px;flex:0 0 120px}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important}
  .news-card:hover,.ladder-card:hover{transform:none}
  .news-mini:hover .thumb img{transform:none}
  html{scroll-behavior:auto}
}

/* roulang page: article */
:root{
  --bg-0:#05070E; --bg-1:#0A0F1C; --bg-2:#101728; --bg-3:#16203A;
  --line:rgba(255,255,255,.08); --line-strong:rgba(255,255,255,.16);
  --brand:#12E6B8; --brand-deep:#0A9E80; --brand-soft:rgba(18,230,184,.12);
  --accent:#FF3F7F; --warn:#FFC24B;
  --tx-1:#E9F1F5; --tx-2:#94A6B8; --tx-3:#5F7285;
  --r-card:16px; --r-btn:12px; --r-img:14px; --r-input:10px;
  --sh-card:0 8px 24px rgba(0,0,0,.35);
  --sh-hover:0 14px 36px rgba(0,0,0,.45);
  --glow:0 0 24px rgba(18,230,184,.32);
  --side:240px;

  --bs-body-bg:#05070E;
  --bs-body-color:#E9F1F5;
  --bs-primary:#12E6B8;
  --bs-link-color:#E9F1F5;
  --bs-link-hover-color:#12E6B8;
  --bs-border-color:rgba(255,255,255,.08);
  --bs-border-radius:12px;
  --bs-font-sans-serif:-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0; padding:0;
  background:var(--bg-0); color:var(--tx-1);
  font-family:-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px; line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--tx-1); text-decoration:none; transition:color .2s ease;}
a:hover{color:var(--brand); text-decoration:underline; text-underline-offset:3px;}
img{max-width:100%; height:auto; display:block;}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0; font-weight:700; letter-spacing:-.01em;}
p{margin:0;}
ul{margin:0; padding:0; list-style:none;}
:focus-visible{outline:none; box-shadow:0 0 0 3px rgba(18,230,184,.35); border-radius:6px;}
.wrap{max-width:1200px; margin:0 auto; padding:0 32px;}

/* ---------- 侧边导航 ---------- */
.side-nav{
  position:fixed; top:0; left:0; bottom:0; width:var(--side);
  background:var(--bg-1); border-right:1px solid var(--line);
  display:flex; flex-direction:column; z-index:1040;
}
.side-brand{
  height:72px; flex:none; display:flex; align-items:center; gap:10px;
  padding:0 18px; border-bottom:1px solid var(--line);
}
.brand-mark{
  width:36px; height:36px; flex:none; border-radius:10px;
  background:linear-gradient(120deg,#12E6B8,#0AC7C7);
  color:#04121A; font-weight:800; font-size:18px;
  display:flex; align-items:center; justify-content:center;
}
.brand-text{display:flex; flex-direction:column; line-height:1.25; min-width:0;}
.brand-text strong{font-size:14px; color:var(--tx-1); white-space:nowrap; overflow:hidden; text-overflow:ellipsis;}
.brand-text em{font-style:normal; font-size:11px; color:var(--tx-3);}
.nav-menu{flex:1; overflow-y:auto; padding:16px 12px;}
.nav-label{font-size:11px; color:var(--tx-3); letter-spacing:.16em; padding:0 8px; margin-bottom:8px;}
.nav-item{
  position:relative; display:flex; align-items:center; gap:12px;
  height:44px; padding:0 10px; border-radius:10px; margin-bottom:4px;
  color:var(--tx-2); font-size:15px;
}
.nav-item i{width:18px; text-align:center; font-size:15px;}
.nav-item:hover{background:rgba(255,255,255,.04); color:var(--tx-1); text-decoration:none;}
.nav-item.active{background:rgba(255,255,255,.06); color:var(--brand);}
.nav-item.active::before{
  content:""; position:absolute; left:0; top:8px; bottom:8px; width:3px;
  border-radius:2px; background:var(--brand); box-shadow:0 0 12px rgba(18,230,184,.6);
}
.nav-item:not(.active):hover::before{
  content:""; position:absolute; left:0; top:14px; bottom:14px; width:1px;
  background:var(--brand); opacity:.6;
}
.nav-foot{flex:none; padding:16px; border-top:1px solid var(--line);}
.nav-foot .btn-brand{width:100%;}
.nav-foot p{margin-top:10px; font-size:12px; color:var(--tx-3); line-height:1.6;}

/* ---------- 按钮 ---------- */
.btn-brand{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:12px 24px; border:none; border-radius:var(--r-btn);
  background:linear-gradient(120deg,#12E6B8,#0AC7C7); color:#04121A;
  font-size:15px; font-weight:600; cursor:pointer;
  transition:transform .22s cubic-bezier(.2,.7,.3,1), filter .22s, box-shadow .22s;
}
.btn-brand:hover{color:#04121A; text-decoration:none; filter:brightness(1.06); transform:translateY(-1px); box-shadow:var(--glow);}
.btn-brand:active{transform:translateY(1px); filter:brightness(.94);}
.btn-brand.sm{padding:9px 16px; font-size:13px; border-radius:10px;}
.btn-ghost{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:12px 24px; border-radius:var(--r-btn);
  background:transparent; border:1px solid var(--line-strong); color:var(--tx-1);
  font-size:15px; font-weight:600; cursor:pointer; transition:all .22s ease;
}
.btn-ghost:hover{color:var(--brand); border-color:var(--brand); background:rgba(18,230,184,.08); text-decoration:none;}
.btn-ghost.sm{padding:9px 16px; font-size:13px;}

/* ---------- 移动端顶栏 ---------- */
.topbar{
  display:none; position:fixed; top:0; left:0; right:0; height:56px;
  align-items:center; gap:12px; padding:0 16px; z-index:1030;
  background:rgba(5,7,14,.94); border-bottom:1px solid var(--line);
  backdrop-filter:blur(10px);
}
.hamburger{
  width:36px; height:36px; flex:none; border-radius:10px;
  border:1px solid var(--line); background:var(--bg-2); color:var(--tx-1);
  display:flex; align-items:center; justify-content:center; cursor:pointer;
}
.hamburger:hover{border-color:var(--brand); color:var(--brand);}
.topbar-brand{flex:1; text-align:center; font-size:15px; font-weight:700; color:var(--tx-1); white-space:nowrap; overflow:hidden; text-overflow:ellipsis;}
.topbar-brand:hover{color:var(--tx-1); text-decoration:none;}
.topbar-cta{
  width:36px; height:36px; flex:none; border-radius:10px;
  background:linear-gradient(120deg,#12E6B8,#0AC7C7); color:#04121A;
  display:flex; align-items:center; justify-content:center; font-size:14px;
}
.topbar-cta:hover{color:#04121A; text-decoration:none;}
.nav-mask{
  position:fixed; inset:0; background:rgba(0,0,0,.6); z-index:1035;
  opacity:0; visibility:hidden; transition:opacity .25s ease;
}
.nav-mask.show{opacity:1; visibility:visible;}

/* ---------- 主区域 ---------- */
.app-main{margin-left:var(--side); min-height:100vh;}

/* ---------- 文章头 ---------- */
.art-hero{position:relative; overflow:hidden; border-bottom:1px solid var(--line); background:var(--bg-1);}
.art-hero-bg{
  position:absolute; inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover; background-position:center; opacity:.22;
}
.art-hero::before{
  content:""; position:absolute; inset:0; z-index:1;
  background-image:
    radial-gradient(60% 60% at 70% 30%, rgba(18,230,184,.18), transparent),
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px);
  background-size:auto, 24px 24px, 24px 24px;
}
.art-hero::after{
  content:""; position:absolute; inset:0; z-index:2;
  background:linear-gradient(180deg, rgba(5,7,14,.55), rgba(5,7,14,.96));
}
.art-hero-inner{position:relative; z-index:3; padding-top:56px; padding-bottom:44px;}
.crumb{display:flex; align-items:center; flex-wrap:wrap; gap:8px; font-size:13px; color:var(--tx-3); margin-bottom:18px;}
.crumb a{color:var(--tx-2); font-size:13px;}
.crumb i{font-size:10px; color:var(--tx-3);}
.crumb span{color:var(--tx-3); max-width:60%; white-space:nowrap; overflow:hidden; text-overflow:ellipsis;}
.art-hero h1{
  font-size:clamp(2.25rem,4vw,3.5rem); font-weight:800; line-height:1.16;
  letter-spacing:-.02em; margin-bottom:18px; max-width:920px;
}
.meta-row{display:flex; align-items:center; flex-wrap:wrap; gap:10px; font-size:13px; color:var(--tx-2);}
.meta-row .dot{width:4px; height:4px; border-radius:50%; background:var(--tx-3);}
.badge-soft{
  display:inline-flex; align-items:center; gap:6px;
  padding:4px 12px; border-radius:999px; font-size:12px; font-weight:600;
  background:var(--brand-soft); color:var(--brand);
}
.badge-pink{background:rgba(255,63,127,.12); color:var(--accent);}

/* ---------- 文章布局 ---------- */
.art-grid{
  display:grid; grid-template-columns:minmax(0,1fr) 320px; gap:36px;
  padding:52px 0 72px; align-items:start;
}
.article-body{font-size:16.5px; line-height:1.85; color:var(--tx-1); word-break:break-word;}
.article-body p{margin:0 0 1.15em;}
.article-body h2{
  font-size:1.5rem; font-weight:700; line-height:1.35; color:var(--tx-1);
  margin:40px 0 16px; padding-left:14px; border-left:3px solid var(--brand);
}
.article-body h3{font-size:1.15rem; font-weight:600; margin:28px 0 12px; color:var(--tx-1);}
.article-body h4{font-size:1rem; font-weight:600; margin:22px 0 10px; color:var(--tx-1);}
.article-body ul{margin:0 0 1.15em;}
.article-body ul li{position:relative; padding-left:22px; margin-bottom:8px;}
.article-body ul li::before{
  content:""; position:absolute; left:4px; top:.72em;
  width:7px; height:7px; border-radius:2px; background:var(--brand);
}
.article-body ol{margin:0 0 1.15em; padding-left:1.4em;}
.article-body ol li{margin-bottom:8px;}
.article-body blockquote{
  margin:24px 0; padding:14px 20px; border-left:3px solid var(--brand);
  background:rgba(18,230,184,.06); border-radius:0 12px 12px 0; color:var(--tx-2);
}
.article-body img{border-radius:var(--r-img); margin:22px auto; box-shadow:var(--sh-card);}
.article-body figure{margin:22px 0;}
.article-body figcaption{font-size:13px; color:var(--tx-3); text-align:center; margin-top:8px;}
.article-body pre{
  background:#070B14; border:1px solid var(--line); border-radius:12px;
  padding:16px; overflow-x:auto; font-size:14px; margin:20px 0;
}
.article-body code{background:var(--bg-3); padding:2px 6px; border-radius:6px; font-size:14px; color:var(--brand);}
.article-body pre code{background:none; padding:0; color:var(--tx-1);}
.article-body table{width:100%; border-collapse:collapse; margin:20px 0; font-size:15px;}
.article-body th{background:var(--bg-3); text-align:left; padding:12px 14px; font-weight:600;}
.article-body td{padding:12px 14px; border-bottom:1px solid var(--line);}
.article-body a{color:var(--brand); text-decoration:underline;}
.article-body hr{border:none; border-top:1px solid var(--line); margin:32px 0;}

/* ---------- 侧栏 ---------- */
.art-side{position:sticky; top:24px; display:flex; flex-direction:column; gap:20px;}
.side-card{background:var(--bg-1); border:1px solid var(--line); border-radius:var(--r-card); padding:20px;}
.side-card h3{font-size:14px; font-weight:600; color:var(--tx-2); letter-spacing:.06em; margin-bottom:14px;}
.toc-list a{
  display:block; font-size:14px; color:var(--tx-2); line-height:1.5;
  padding:7px 0 7px 12px; border-left:2px solid var(--line);
  transition:all .2s ease;
}
.toc-list a:hover,.toc-list a.on{color:var(--brand); border-left-color:var(--brand); text-decoration:none;}
.toc-empty{font-size:13px; color:var(--tx-3);}
.side-link{
  display:flex; align-items:center; gap:10px; font-size:14px; color:var(--tx-2);
  padding:9px 10px; border-radius:10px; transition:all .2s ease;
}
.side-link i{width:16px; text-align:center; color:var(--brand); font-size:13px;}
.side-link:hover{background:rgba(255,255,255,.04); color:var(--tx-1); text-decoration:none;}
.side-mini{display:flex; gap:12px; padding:10px 0; border-bottom:1px solid var(--line);}
.side-mini:last-child{border-bottom:none; padding-bottom:0;}
.side-mini img{width:72px; height:52px; object-fit:cover; border-radius:10px; flex:none;}
.side-mini strong{display:block; font-size:14px; font-weight:600; color:var(--tx-1); line-height:1.5;}
.side-mini span{font-size:12px; color:var(--tx-3);}
.side-mini:hover{text-decoration:none;}
.side-mini:hover strong{color:var(--brand);}

/* ---------- 空态 ---------- */
.empty-state{
  border:1px dashed var(--line-strong); border-radius:var(--r-card);
  padding:56px 24px; text-align:center; color:var(--tx-2);
}
.empty-state i{font-size:40px; color:var(--tx-3); margin-bottom:16px; display:block;}
.empty-state p{margin-bottom:20px; font-size:15px;}

/* ---------- 文末 ---------- */
.after-body{margin-top:40px; padding-top:28px; border-top:1px solid var(--line);}
.tag-row{display:flex; align-items:center; flex-wrap:wrap; gap:10px; margin-bottom:24px;}
.tag-row .tag-label{font-size:13px; color:var(--tx-3);}
.tag{
  display:inline-block; padding:5px 14px; border-radius:999px; font-size:13px;
  background:var(--bg-2); border:1px solid var(--line); color:var(--tx-2);
}
.tag:hover{border-color:var(--brand); color:var(--brand); text-decoration:none;}
.after-actions{display:flex; flex-wrap:wrap; gap:12px;}

/* ---------- 通用板块 ---------- */
.sec{padding:72px 0; border-top:1px solid var(--line);}
.sec-alt{background:var(--bg-1);}
.sec-head{display:flex; align-items:flex-end; justify-content:space-between; gap:20px; margin-bottom:32px; flex-wrap:wrap;}
.sec-head h2{font-size:clamp(1.5rem,2.4vw,2rem); line-height:1.3;}
.sec-head p{font-size:14px; color:var(--tx-2); margin-top:8px;}
.sec-head .more{font-size:14px; color:var(--tx-2); white-space:nowrap;}
.sec-head .more:hover{color:var(--brand);}

.rel-grid{display:grid; grid-template-columns:repeat(4,1fr); gap:20px;}
.rel-card{
  display:block; background:var(--bg-1); border:1px solid var(--line); border-radius:var(--r-card);
  overflow:hidden; transition:transform .22s cubic-bezier(.2,.7,.3,1), border-color .22s, box-shadow .22s;
}
.rel-card:hover{transform:translateY(-4px); border-color:rgba(18,230,184,.35); box-shadow:var(--sh-hover); text-decoration:none;}
.rel-card .thumb{position:relative; aspect-ratio:16/9; overflow:hidden;}
.rel-card .thumb img{width:100%; height:100%; object-fit:cover; transition:transform .28s cubic-bezier(.2,.7,.3,1);}
.rel-card:hover .thumb img{transform:scale(1.03);}
.rel-card .thumb .badge-soft{position:absolute; left:12px; top:12px; backdrop-filter:blur(6px);}
.rel-card .body{padding:18px;}
.rel-card h3{font-size:16px; font-weight:600; line-height:1.5; margin-bottom:8px;}
.rel-card p{
  font-size:13px; color:var(--tx-2); line-height:1.65;
  display:-webkit-box; -webkit-line-clamp:2; -webkit-box-orient:vertical; overflow:hidden;
}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid; grid-template-columns:40% 1fr; gap:40px;}
.faq-col h2{font-size:clamp(1.5rem,2.4vw,2rem); line-height:1.3; margin-bottom:14px;}
.faq-col p{font-size:14px; color:var(--tx-2);}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none; cursor:pointer; padding:18px 8px 18px 0;
  font-size:16px; font-weight:600; color:var(--tx-2); position:relative;
  transition:color .2s ease, padding .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary:hover{color:var(--tx-1);}
.faq-item summary::after{
  content:"\f078"; font-family:"Font Awesome 6 Free"; font-weight:900;
  position:absolute; right:6px; top:22px; font-size:12px; color:var(--tx-3);
  transition:transform .22s ease;
}
.faq-item[open] summary{color:var(--tx-1); padding-left:14px; border-left:2px solid var(--brand);}
.faq-item[open] summary::after{transform:rotate(180deg); color:var(--brand);}
.faq-answer{padding:0 8px 20px 16px; font-size:15px; color:var(--tx-2); line-height:1.8;}

/* ---------- CTA ---------- */
.cta-band{background:var(--bg-1); border-top:1px solid var(--line); border-bottom:1px solid var(--line);}
.cta-inner{
  display:flex; align-items:center; justify-content:space-between; gap:32px;
  padding:48px 0; flex-wrap:wrap;
}
.cta-inner h2{font-size:clamp(1.35rem,2.2vw,1.85rem); margin-bottom:10px;}
.cta-inner p{font-size:15px; color:var(--tx-2); max-width:640px;}

/* ---------- 页脚 ---------- */
.site-foot{background:var(--bg-0); border-top:1px solid var(--line); padding:56px 0 0;}
.foot-grid{display:grid; grid-template-columns:1.4fr 1fr 1fr 1.2fr; gap:32px;}
.foot-brand{display:flex; align-items:center; gap:10px; margin-bottom:14px;}
.foot-brand .brand-mark{width:32px; height:32px; font-size:16px; border-radius:9px;}
.foot-brand strong{font-size:15px;}
.foot-col p{font-size:13px; color:var(--tx-2); line-height:1.8;}
.foot-col h4{font-size:14px; font-weight:600; color:var(--tx-3); margin-bottom:14px; letter-spacing:.06em;}
.foot-col ul li{margin-bottom:10px;}
.foot-col ul a{font-size:14px; color:var(--tx-2);}
.foot-col ul a:hover{color:var(--brand);}
.foot-bottom{
  display:flex; align-items:center; justify-content:space-between; gap:16px;
  margin-top:44px; padding:20px 0; border-top:1px solid var(--line);
  font-size:13px; color:var(--tx-3); flex-wrap:wrap;
}
.to-top{
  background:var(--bg-2); border:1px solid var(--line); color:var(--tx-2);
  border-radius:999px; padding:8px 18px; font-size:13px; cursor:pointer;
  transition:all .2s ease;
}
.to-top:hover{color:var(--brand); border-color:var(--brand);}

/* ---------- 响应式 ---------- */
@media (max-width:1199px) and (min-width:992px){
  :root{--side:76px;}
  .brand-text,.nav-label,.nav-item span{display:none;}
  .side-brand{justify-content:center; padding:0;}
  .nav-item{justify-content:center; padding:0;}
  .nav-item::after{
    content:attr(data-name); position:absolute; left:calc(100% + 12px); top:50%;
    transform:translateY(-50%); background:var(--bg-3); border:1px solid var(--line-strong);
    color:var(--tx-1); padding:6px 12px; border-radius:8px; font-size:13px;
    white-space:nowrap; opacity:0; pointer-events:none; transition:opacity .18s ease;
  }
  .nav-item:hover::after{opacity:1;}
  .nav-foot{display:none;}
  .art-grid{grid-template-columns:minmax(0,1fr) 280px; gap:28px;}
  .rel-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991px){
  .side-nav{width:280px; transform:translateX(-100%); transition:transform .28s cubic-bezier(.2,.7,.3,1); box-shadow:var(--sh-hover);}
  .side-nav.open{transform:translateX(0);}
  .topbar{display:flex;}
  .app-main{margin-left:0; padding-top:56px;}
  .art-grid{grid-template-columns:1fr; gap:28px;}
  .art-side{position:static; order:-1;}
  .faq-wrap{grid-template-columns:1fr; gap:24px;}
  .foot-grid{grid-template-columns:repeat(2,1fr);}
  .sec{padding:56px 0;}
  .art-hero-inner{padding-top:40px; padding-bottom:32px;}
}
@media (max-width:767px){
  .wrap{padding:0 16px;}
  .art-hero h1{font-size:2rem;}
  .rel-grid{grid-template-columns:1fr; gap:14px;}
  .cta-inner{padding:36px 0;}
  .cta-inner .btn-brand{width:100%;}
  .foot-grid{grid-template-columns:1fr; gap:26px;}
  .foot-bottom{justify-content:center; text-align:center;}
  .article-body h2{margin-top:32px;}
}
@media (max-width:575px){
  .art-hero::before{background-image:radial-gradient(70% 70% at 70% 30%, rgba(18,230,184,.18), transparent);}
  .after-actions .btn-ghost,.after-actions .btn-brand{width:100%;}
}
@media (prefers-reduced-motion:reduce){
  *{transition:color .2s ease !important; animation:none !important;}
  .rel-card:hover,.btn-brand:hover{transform:none !important;}
  .rel-card:hover .thumb img{transform:none !important;}
  html{scroll-behavior:auto;}
}

/* roulang page: category1 */
:root{
  --bg-0:#05070E;
  --bg-1:#0A0F1C;
  --bg-2:#101728;
  --bg-3:#16203A;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --brand:#12E6B8;
  --brand-deep:#0A9E80;
  --brand-soft:rgba(18,230,184,.12);
  --accent:#FF3F7F;
  --warn:#FFC24B;
  --tx-1:#E9F1F5;
  --tx-2:#94A6B8;
  --tx-3:#5F7285;
  --r-card:16px;
  --r-btn:12px;
  --r-img:14px;
  --r-in:10px;
  --sh:0 8px 24px rgba(0,0,0,.35);
  --sh-h:0 14px 36px rgba(0,0,0,.45);
  --glow:0 0 24px rgba(18,230,184,.32);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sidebar-w:240px;

  --bs-body-bg:var(--bg-0);
  --bs-body-color:var(--tx-1);
  --bs-primary:var(--brand);
  --bs-link-color:var(--tx-1);
  --bs-link-hover-color:var(--brand);
  --bs-border-color:var(--line);
  --bs-border-radius:var(--r-card);
  --bs-font-sans-serif:-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--tx-1);
  font-family:-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--tx-1);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}

/* ============ 布局容器 ============ */
.main{margin-left:var(--sidebar-w);min-height:100vh}
.wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}

/* ============ 侧边导航 ============ */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:var(--bg-1);border-right:1px solid var(--line);
  display:flex;flex-direction:column;padding:0 16px 20px;z-index:60;
  transition:transform .28s var(--ease);
}
.brand{height:72px;display:flex;align-items:center;gap:10px;border-bottom:1px solid var(--line);flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(120deg,#12E6B8,#0AC7C7);color:#04121A;font-weight:800;font-size:17px;flex:0 0 auto;
}
.brand-text strong{display:block;font-size:15px;font-weight:700;line-height:1.3}
.brand-text span{display:block;font-size:11px;color:var(--tx-3);letter-spacing:.08em}
.nav-menu{flex:1 1 auto;padding:18px 0;display:flex;flex-direction:column;gap:4px;overflow-y:auto}
.nav-label{font-size:11px;color:var(--tx-3);letter-spacing:.22em;margin:0 0 8px 14px}
.nav-item{
  position:relative;display:flex;align-items:center;gap:12px;height:44px;padding:0 12px;
  border-radius:10px;font-size:15px;color:var(--tx-2);
  transition:background .2s var(--ease),color .2s var(--ease);
}
.nav-item i{width:18px;font-size:15px;text-align:center;flex:0 0 auto}
.nav-item::before{
  content:"";position:absolute;left:-16px;top:10px;bottom:10px;width:0;
  background:var(--brand);border-radius:0 3px 3px 0;
  box-shadow:0 0 12px rgba(18,230,184,.9);
  transition:width .2s var(--ease);
}
.nav-item:hover{background:rgba(255,255,255,.04);color:var(--tx-1);text-decoration:none}
.nav-item:hover::before{width:1px}
.nav-item.active{background:rgba(255,255,255,.06);color:var(--brand);text-decoration:none}
.nav-item.active::before{width:3px}
.side-cta{border-top:1px solid var(--line);padding-top:16px;display:flex;flex-direction:column;gap:10px;flex:0 0 auto}
.side-cta p{font-size:12px;line-height:1.6;color:var(--tx-3)}
.side-phrase{display:block;font-size:11px;color:var(--tx-3);letter-spacing:.05em;text-align:center}

/* ============ 按钮 ============ */
.btn-brand,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;font-size:15px;font-weight:700;cursor:pointer;
  border-radius:999px;transition:transform .22s var(--ease),box-shadow .22s var(--ease),filter .22s var(--ease),border-color .22s var(--ease),color .22s var(--ease),background .22s var(--ease);
  white-space:nowrap;
}
.btn-brand{border:none;background:linear-gradient(120deg,#12E6B8,#0AC7C7);color:#04121A}
.btn-brand:hover{color:#04121A;text-decoration:none;filter:brightness(1.06);transform:translateY(-1px);box-shadow:var(--glow)}
.btn-brand:active{transform:translateY(1px);filter:brightness(.95)}
.btn-brand:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(18,230,184,.35)}
.btn-ghost{border:1px solid var(--line-strong);background:transparent;color:var(--tx-1)}
.btn-ghost:hover{color:var(--brand);border-color:var(--brand);background:rgba(18,230,184,.08);text-decoration:none;transform:translateY(-1px)}
.btn-ghost:active{transform:translateY(1px)}
.btn-ghost:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(18,230,184,.28)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-block{width:100%}

/* ============ 移动端顶栏 ============ */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:56px;z-index:70;
  align-items:center;justify-content:space-between;padding:0 16px;
  background:rgba(10,15,28,.94);border-bottom:1px solid var(--line);
  backdrop-filter:blur(10px);
}
.topbar .tb-btn{
  width:38px;height:38px;display:grid;place-items:center;border-radius:10px;
  border:1px solid var(--line);background:transparent;color:var(--tx-1);font-size:16px;
}
.topbar .tb-btn:active{background:rgba(255,255,255,.06)}
.topbar .tb-logo{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:700}
.tb-logo .brand-mark{width:26px;height:26px;border-radius:8px;font-size:13px}
.drawer-mask{
  display:none;position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:65;
}
.drawer-mask.show{display:block}

/* ============ 页头横幅 ============ */
.page-head{
  position:relative;min-height:320px;display:flex;align-items:center;
  overflow:hidden;border-bottom:1px solid var(--line);
}
.page-head .bg{
  position:absolute;inset:0;
  background:url(/assets/images/backpic/back-1.webp) center/cover no-repeat;
  opacity:.5;
}
.page-head .veil{
  position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(5,7,14,.95) 0%,rgba(5,7,14,.74) 46%,rgba(10,158,128,.3) 100%);
}
.page-head .tex{
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),
                   linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:24px 24px;
}
.page-head .wrap{position:relative;z-index:2;padding-top:56px;padding-bottom:56px}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--tx-3);margin-bottom:18px}
.crumb a{color:var(--tx-3)}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:var(--tx-3);opacity:.7}
.crumb .now{color:var(--tx-2)}
.head-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:12px;font-weight:600;
  color:var(--brand);background:var(--brand-soft);border-radius:999px;padding:5px 14px;margin-bottom:18px;
  letter-spacing:.04em;
}
.page-head h1{
  font-size:clamp(1.9rem,3.6vw,3rem);font-weight:800;line-height:1.16;letter-spacing:-.02em;
  max-width:760px;
}
.page-head .sub{margin-top:16px;max-width:640px;color:var(--tx-2);font-size:16px}
.head-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}

/* ============ 数据摘要条 ============ */
.stat-strip{background:var(--bg-1);border-bottom:1px solid var(--line)}
.strip-inner{display:grid;grid-template-columns:repeat(3,1fr);padding-top:26px;padding-bottom:26px}
.strip-inner .stat{display:flex;align-items:baseline;gap:12px;padding:0 28px}
.strip-inner .stat:first-child{padding-left:0}
.strip-inner .stat+.stat{border-left:1px solid var(--line)}
.strip-inner .stat strong{
  font-size:28px;font-weight:800;font-variant-numeric:tabular-nums;
  color:var(--brand);line-height:1;
}
.strip-inner .stat span{font-size:13px;color:var(--tx-2)}

/* ============ 主体双栏 ============ */
.doc{
  display:grid;grid-template-columns:220px minmax(0,1fr);gap:44px;align-items:start;
  padding-top:72px;padding-bottom:84px;
}
.toc{position:sticky;top:28px;border-left:1px solid var(--line);padding-left:18px}
.toc-title{font-size:12px;letter-spacing:.2em;color:var(--tx-3);margin-bottom:14px}
.toc-link{
  display:block;font-size:14px;color:var(--tx-2);padding:7px 0 7px 12px;
  position:relative;transition:color .2s var(--ease),padding-left .2s var(--ease);
}
.toc-link::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:0;height:14px;background:var(--brand);border-radius:2px;transition:width .2s var(--ease);
}
.toc-link:hover{color:var(--tx-1);text-decoration:none}
.toc-link.is-active{color:var(--brand);padding-left:16px}
.toc-link.is-active::before{width:2px}
.toc-tip{
  margin-top:20px;padding:14px;border:1px dashed var(--line-strong);border-radius:12px;
  font-size:12.5px;line-height:1.7;color:var(--tx-3);
}

.lede{
  border-left:3px solid var(--brand);background:var(--bg-1);
  border-radius:0 14px 14px 0;padding:20px 24px;margin-bottom:44px;
  color:var(--tx-2);font-size:15.5px;
}
.lede strong{color:var(--tx-1)}

/* ============ 阶段与步骤 ============ */
.stage{margin-bottom:44px;scroll-margin-top:24px}
.stage-head{
  display:flex;align-items:center;gap:14px;margin-bottom:22px;padding-bottom:12px;
  border-bottom:1px dashed rgba(255,255,255,.12);
}
.stage-head .idx{font-size:12px;letter-spacing:.22em;color:var(--brand);font-variant-numeric:tabular-nums}
.stage-head h2{font-size:1.5rem;font-weight:700;line-height:1.3}
.stage-head .count{margin-left:auto;font-size:12px;color:var(--tx-3)}

.step{
  display:grid;grid-template-columns:64px minmax(0,1fr);gap:20px;
  padding:24px;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.step:hover{transform:translateY(-4px);border-color:rgba(18,230,184,.35);box-shadow:var(--sh-h)}
.step-num{
  font-size:40px;font-weight:800;line-height:1;font-variant-numeric:tabular-nums;
  color:transparent;-webkit-text-stroke:1px rgba(18,230,184,.55);
}
.step-body h3{font-size:1.125rem;font-weight:600;margin-bottom:10px}
.step-body p{color:var(--tx-2);font-size:15px;line-height:1.75}
.tip{
  margin-top:14px;display:flex;gap:10px;align-items:flex-start;
  font-size:13.5px;line-height:1.65;color:var(--tx-2);
  background:rgba(255,194,75,.08);border-left:2px solid var(--warn);
  border-radius:0 8px 8px 0;padding:10px 14px;
}
.tip i{color:var(--warn);margin-top:3px;flex:0 0 auto}
.step-connector{height:26px;margin-left:56px;border-left:1px dashed rgba(255,255,255,.18)}

/* ============ 适用场景 ============ */
.block{padding-top:72px;padding-bottom:72px;border-top:1px solid var(--line)}
.block-head{margin-bottom:32px;max-width:720px}
.block-head .eyebrow{font-size:12px;letter-spacing:.2em;color:var(--brand);margin-bottom:12px}
.block-head h2{font-size:clamp(1.5rem,2.4vw,2.1rem);font-weight:700;line-height:1.3}
.block-head p{margin-top:12px;color:var(--tx-2);font-size:15.5px}

.scene{
  display:grid;grid-template-columns:minmax(0,5fr) minmax(0,7fr);
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;margin-bottom:24px;
  transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.scene:hover{transform:translateY(-4px);border-color:rgba(18,230,184,.35);box-shadow:var(--sh-h)}
.scene .scene-media{overflow:hidden;min-height:240px}
.scene .scene-media img{width:100%;height:100%;object-fit:cover;transition:transform .3s var(--ease)}
.scene:hover .scene-media img{transform:scale(1.03)}
.scene .scene-text{padding:32px}
.scene .scene-text .badge-soft{margin-bottom:14px}
.scene .scene-text h3{font-size:1.25rem;font-weight:600;margin-bottom:12px}
.scene .scene-text p{color:var(--tx-2);font-size:15px}
.scene.rev .scene-media{order:2}
.badge-soft{
  display:inline-block;font-size:12px;font-weight:600;border-radius:999px;
  padding:4px 12px;background:var(--brand-soft);color:var(--brand);
}
.badge-accent{background:rgba(255,63,127,.12);color:var(--accent)}

/* ============ 清单 ============ */
.checklist{border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:var(--bg-1)}
.check-item{
  display:grid;grid-template-columns:52px minmax(0,1fr);gap:18px;
  padding:22px 24px;transition:background .2s var(--ease);
}
.check-item+.check-item{border-top:1px solid var(--line)}
.check-item:hover{background:rgba(255,255,255,.03)}
.check-item .no{
  font-size:20px;font-weight:800;font-variant-numeric:tabular-nums;color:var(--brand);line-height:1.4;
}
.check-item h3{font-size:1rem;font-weight:600;margin-bottom:6px}
.check-item p{font-size:14px;color:var(--tx-2)}

/* ============ CTA ============ */
.cta-band{
  border:1px solid rgba(18,230,184,.35);background:var(--bg-2);border-radius:var(--r-card);
  padding:40px;display:grid;grid-template-columns:1.35fr 1fr;gap:32px;align-items:center;
  box-shadow:var(--sh);
}
.cta-band h2{font-size:clamp(1.35rem,2.2vw,1.85rem);font-weight:700;line-height:1.35;margin-bottom:12px}
.cta-band p{color:var(--tx-2);font-size:15px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}
.cta-meta{margin-top:16px;font-size:13px;color:var(--tx-3);display:flex;flex-wrap:wrap;gap:18px}
.cta-meta span{display:inline-flex;align-items:center;gap:7px}
.cta-meta i{color:var(--brand)}

/* ============ 页脚 ============ */
.site-foot{border-top:1px solid var(--line);background:var(--bg-1);margin-top:8px}
.foot-grid{
  display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:36px;
  padding-top:56px;padding-bottom:40px;
}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.foot-brand strong{font-size:16px}
.foot-col p{font-size:14px;color:var(--tx-2);line-height:1.75}
.foot-col h4{font-size:14px;font-weight:600;color:var(--tx-3);margin-bottom:16px;letter-spacing:.04em}
.foot-col li+li{margin-top:10px}
.foot-col li a{font-size:14px;color:var(--tx-2)}
.foot-col li a:hover{color:var(--brand)}
.foot-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  border-top:1px solid var(--line);padding-top:20px;padding-bottom:28px;
  font-size:13px;color:var(--tx-3);
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--tx-2);
  background:transparent;border:1px solid var(--line);border-radius:999px;padding:8px 16px;
  transition:color .2s var(--ease),border-color .2s var(--ease),background .2s var(--ease);
}
.to-top:hover{color:var(--brand);border-color:var(--brand);background:rgba(18,230,184,.08)}
.to-top:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(18,230,184,.28)}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  :root{--sidebar-w:76px}
  .sidebar{padding:0 10px 18px}
  .brand{justify-content:center}
  .brand-text{display:none}
  .nav-menu{align-items:center;padding:16px 0}
  .nav-label{display:none}
  .nav-item{justify-content:center;padding:0;width:48px}
  .nav-item span{display:none}
  .nav-item::before{left:-10px}
  .side-cta{align-items:center}
  .side-cta .btn-brand{padding:10px 12px;font-size:0;gap:0;border-radius:12px}
  .side-cta .btn-brand i{font-size:15px}
  .side-phrase,.side-cta p{display:none}
}
@media (max-width:991.98px){
  .main{margin-left:0;padding-top:56px}
  .topbar{display:flex}
  .sidebar{
    width:280px;transform:translateX(-100%);padding:0 16px 20px;
    box-shadow:0 0 40px rgba(0,0,0,.6);
  }
  .sidebar.open{transform:translateX(0)}
  .brand{justify-content:flex-start}
  .brand-text{display:block}
  .nav-menu{align-items:stretch;padding:16px 0}
  .nav-item{justify-content:flex-start;padding:0 12px;width:100%}
  .nav-item span{display:inline}
  .side-cta{align-items:stretch}
  .side-cta .btn-brand{padding:12px 20px;font-size:15px;gap:8px;border-radius:999px}
  .side-cta .btn-brand i{font-size:14px}
  .side-cta p,.side-phrase{display:block}
  .doc{grid-template-columns:minmax(0,1fr);gap:28px;padding-top:56px;padding-bottom:64px}
  .toc{position:static;border-left:none;border-bottom:1px solid var(--line);padding:0 0 16px}
  .toc-link{display:inline-block;margin-right:16px;padding:6px 0 6px 12px}
  .toc-tip{display:none}
  .block{padding-top:56px;padding-bottom:56px}
  .scene{grid-template-columns:minmax(0,1fr)}
  .scene.rev .scene-media{order:0}
  .scene .scene-media{min-height:200px}
  .scene .scene-text{padding:24px}
  .cta-band{grid-template-columns:minmax(0,1fr);padding:28px;gap:22px}
  .cta-actions{justify-content:flex-start}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px;padding-top:44px}
}
@media (max-width:767.98px){
  .wrap{padding:0 16px}
  .page-head{min-height:auto}
  .page-head .wrap{padding-top:40px;padding-bottom:40px}
  .page-head h1{font-size:2rem}
  .page-head .sub{font-size:15px}
  .head-actions .btn-brand,.head-actions .btn-ghost{width:100%}
  .strip-inner{grid-template-columns:1fr 1fr;gap:16px 0;padding-top:20px;padding-bottom:20px}
  .strip-inner .stat{padding:0 16px}
  .strip-inner .stat:nth-child(3){padding-left:0}
  .strip-inner .stat:nth-child(3){border-left:none;padding-left:0}
  .step{grid-template-columns:44px minmax(0,1fr);gap:14px;padding:18px}
  .step-num{font-size:30px}
  .step-connector{margin-left:40px;height:20px}
  .check-item{grid-template-columns:40px minmax(0,1fr);gap:12px;padding:18px}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{justify-content:flex-start}
}
@media (max-width:575.98px){
  .page-head .tex{display:none}
  .stats,.strip-inner{grid-template-columns:1fr}
  .strip-inner .stat{border-left:none!important;padding-left:0!important}
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms!important;animation-duration:.01ms!important}
  html{scroll-behavior:auto}
  .step:hover,.scene:hover,.btn-brand:hover,.btn-ghost:hover{transform:none!important}
  .scene:hover .scene-media img{transform:none!important}
}

/* roulang page: category3 */
:root{
  --bg-0:#05070E;
  --bg-1:#0A0F1C;
  --bg-2:#101728;
  --bg-3:#16203A;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --brand:#12E6B8;
  --brand-deep:#0A9E80;
  --brand-soft:rgba(18,230,184,.12);
  --accent:#FF3F7F;
  --warn:#FFC24B;
  --tx-1:#E9F1F5;
  --tx-2:#94A6B8;
  --tx-3:#5F7285;
  --r-card:16px;
  --r-btn:12px;
  --r-img:14px;
  --sh-1:0 8px 24px rgba(0,0,0,.35);
  --sh-2:0 14px 36px rgba(0,0,0,.45);
  --sidebar:240px;

  --bs-body-bg:#05070E;
  --bs-body-color:#E9F1F5;
  --bs-primary:#12E6B8;
  --bs-link-color:#E9F1F5;
  --bs-link-hover-color:#12E6B8;
  --bs-border-color:rgba(255,255,255,.08);
  --bs-border-radius:16px;
  --bs-font-sans-serif:-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--tx-1);
  font-family:-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
a{color:var(--tx-1);text-decoration:none;transition:color .2s ease,border-color .2s ease;}
a:hover{color:var(--brand);}
img{max-width:100%;display:block;}
h1,h2,h3,h4{margin:0;}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
.wrap{max-width:1200px;margin:0 auto;padding:0 32px;width:100%;}

/* ---------- 侧边导航 ---------- */
.sidebar{
  position:fixed;
  left:0;top:0;bottom:0;
  width:var(--sidebar);
  background:var(--bg-1);
  border-right:1px solid var(--line);
  display:flex;
  flex-direction:column;
  z-index:1040;
  transition:transform .28s cubic-bezier(.2,.7,.3,1),width .28s ease;
}
.brand{
  display:flex;
  align-items:center;
  gap:10px;
  height:72px;
  flex:none;
  padding:0 18px;
  border-bottom:1px solid var(--line);
}
.brand-mark{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  width:36px;height:36px;
  flex:none;
  border-radius:10px;
  background:linear-gradient(120deg,#12E6B8,#0AC7C7);
  color:#04121A;
  font-weight:800;
  font-size:17px;
}
.brand-text strong{display:block;font-size:15px;font-weight:700;line-height:1.3;}
.brand-text em{display:block;font-style:normal;font-size:11px;color:var(--tx-3);letter-spacing:.08em;}
.sidebar-nav{flex:1;overflow-y:auto;overflow-x:hidden;padding:10px 12px;}
.nav-label{font-size:12px;color:var(--tx-3);letter-spacing:.12em;margin:8px 12px 8px;}
.nav-menu{display:flex;flex-direction:column;gap:4px;}
.nav-item{
  position:relative;
  display:flex;
  align-items:center;
  gap:12px;
  height:44px;
  padding:0 14px;
  border-radius:10px;
  color:var(--tx-2);
  font-size:15px;
  white-space:nowrap;
}
.nav-item i{font-size:18px;width:18px;text-align:center;flex:none;}
.nav-item::before{
  content:"";
  position:absolute;
  left:0;top:50%;
  transform:translateY(-50%);
  width:1px;height:0;
  border-radius:2px;
  background:var(--brand);
  opacity:0;
  transition:height .2s ease,width .2s ease,opacity .2s ease;
}
.nav-item:hover{background:rgba(255,255,255,.04);color:var(--tx-1);}
.nav-item:hover::before{height:14px;opacity:.45;}
.nav-item.active{background:rgba(255,255,255,.06);color:var(--brand);}
.nav-item.active::before{width:3px;height:22px;opacity:1;box-shadow:0 0 12px rgba(18,230,184,.6);}
.side-foot{padding:16px;border-top:1px solid var(--line);flex:none;}
.side-foot p{font-size:12px;color:var(--tx-3);margin:10px 0 0;line-height:1.6;}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  border-radius:var(--r-btn);
  font-size:15px;
  font-weight:600;
  padding:12px 22px;
  border:1px solid transparent;
  cursor:pointer;
  transition:transform .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease,border-color .2s ease,filter .2s ease;
}
.btn-sm{padding:10px 16px;font-size:14px;}
.btn-brand{
  background:linear-gradient(120deg,#12E6B8,#0AC7C7);
  color:#04121A;
  box-shadow:0 0 24px rgba(18,230,184,.32);
}
.btn-brand:hover{
  color:#04121A;
  filter:brightness(1.06);
  transform:translateY(-1px);
  box-shadow:0 0 32px rgba(18,230,184,.45);
}
.btn-brand:active{transform:translateY(1px);filter:brightness(.94);}
.btn-ghost{
  background:transparent;
  border-color:var(--line-strong);
  color:var(--tx-1);
}
.btn-ghost:hover{
  color:var(--brand);
  border-color:var(--brand);
  background:rgba(18,230,184,.08);
}
.btn:focus-visible,a:focus-visible,summary:focus-visible{
  outline:none;
  box-shadow:0 0 0 3px rgba(18,230,184,.35);
}

/* ---------- 顶部栏（移动端） ---------- */
.topbar{
  display:none;
  position:fixed;
  top:0;left:0;right:0;
  height:56px;
  align-items:center;
  justify-content:space-between;
  padding:0 14px;
  background:rgba(10,15,28,.94);
  backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
  z-index:1030;
}
.topbar-btn{
  width:38px;height:38px;
  display:inline-flex;align-items:center;justify-content:center;
  border-radius:10px;
  border:1px solid var(--line);
  background:var(--bg-2);
  color:var(--tx-1);
  font-size:16px;
}
.topbar-brand{display:flex;align-items:center;gap:8px;font-size:14px;font-weight:700;}
.mask{
  position:fixed;
  inset:0;
  background:rgba(0,0,0,.6);
  opacity:0;
  pointer-events:none;
  transition:opacity .25s ease;
  z-index:1035;
}
.mask.show{opacity:1;pointer-events:auto;}

/* ---------- 主内容 ---------- */
.main{margin-left:var(--sidebar);min-height:100vh;display:flex;flex-direction:column;}
.main > main{flex:1;}

/* ---------- 页头 ---------- */
.page-head{
  padding:88px 0 56px;
  border-bottom:1px solid var(--line);
  background:var(--bg-1);
  position:relative;
  overflow:hidden;
}
.page-head::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(60% 60% at 85% 20%, rgba(18,230,184,.16), transparent 70%),
    linear-gradient(rgba(255,255,255,.03) 1px, transparent 1px) 0 0/24px 24px,
    linear-gradient(90deg, rgba(255,255,255,.03) 1px, transparent 1px) 0 0/24px 24px;
  pointer-events:none;
}
.page-head .wrap{position:relative;z-index:1;}
.page-head h1{
  font-size:clamp(2.25rem,4vw,3.5rem);
  font-weight:800;
  line-height:1.16;
  letter-spacing:-.02em;
  max-width:900px;
}
.page-head .lead{
  margin:18px 0 0;
  font-size:17px;
  color:var(--tx-2);
  max-width:760px;
}

/* ---------- 板块 ---------- */
.section{padding:88px 0;}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.sec-head{margin-bottom:36px;}
.sec-title{
  font-size:clamp(1.5rem,2.6vw,2.125rem);
  font-weight:700;
  line-height:1.3;
  letter-spacing:-.01em;
}
.sec-sub{margin:12px 0 0;color:var(--tx-2);font-size:15px;max-width:780px;}

/* ---------- 对照表 ---------- */
.table-shell{
  border:1px solid var(--line);
  border-radius:var(--r-card);
  background:var(--bg-2);
  overflow:hidden;
  box-shadow:var(--sh-1);
}
.table-scroll{overflow-x:auto;-webkit-overflow-scrolling:touch;}
.cmp-table{
  width:100%;
  min-width:880px;
  border-collapse:separate;
  border-spacing:0;
  font-size:15px;
}
.cmp-table th,.cmp-table td{
  padding:14px 18px;
  border-bottom:1px solid var(--line);
  text-align:left;
  vertical-align:top;
  white-space:nowrap;
}
.cmp-table thead th{
  background:var(--brand-soft);
  color:var(--brand);
  font-size:13px;
  font-weight:700;
  letter-spacing:.06em;
}
.cmp-table tbody tr:nth-child(even){background:rgba(255,255,255,.03);}
.cmp-table tbody tr:hover{background:rgba(18,230,184,.05);}
.cmp-table th.col-item,
.cmp-table td.col-item{
  position:sticky;
  left:0;
  z-index:2;
  background:var(--bg-3);
  color:var(--tx-1);
  font-weight:600;
  box-shadow:1px 0 0 var(--line);
}
.cmp-table thead th.col-item{background:#1B2740;color:var(--brand);z-index:3;}
.cmp-table tbody tr:last-child td{border-bottom:none;}
.cmp-table td.num{font-variant-numeric:tabular-nums;color:var(--warn);font-weight:600;}
.table-note{
  margin-top:16px;
  font-size:13px;
  color:var(--tx-3);
  display:flex;
  align-items:center;
  gap:8px;
}
.table-note i{color:var(--brand);}

/* ---------- 图文卡 ---------- */
.media-card{
  display:grid;
  grid-template-columns:5fr 7fr;
  gap:28px;
  align-items:center;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:var(--r-card);
  padding:20px;
  margin-top:22px;
  transition:transform .22s cubic-bezier(.2,.7,.3,1),box-shadow .22s ease,border-color .22s ease;
}
.media-card:hover{transform:translateY(-4px);border-color:rgba(18,230,184,.35);box-shadow:var(--sh-2);}
.media-card.reverse .media-fig{order:2;}
.media-fig{border-radius:var(--r-img);overflow:hidden;background:var(--bg-3);}
.media-fig img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .35s ease;}
.media-card:hover .media-fig img{transform:scale(1.03);}
.media-body h3{font-size:1.125rem;font-weight:600;line-height:1.4;margin-bottom:10px;}
.media-body p{color:var(--tx-2);font-size:15px;margin-bottom:12px;}
.badge-tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:12px;
  padding:4px 12px;
  border-radius:999px;
  background:var(--brand-soft);
  color:var(--brand);
  font-weight:600;
}
.badge-tag.pink{background:rgba(255,63,127,.12);color:var(--accent);}

/* ---------- 自检清单 ---------- */
.check-grid{display:grid;grid-template-columns:4fr 8fr;gap:44px;align-items:start;}
.check-intro h2{margin-bottom:14px;}
.check-intro p{color:var(--tx-2);font-size:15px;}
.check-list{display:grid;grid-template-columns:1fr 1fr;gap:14px 20px;}
.check-list li{
  display:flex;
  gap:12px;
  align-items:flex-start;
  background:var(--bg-2);
  border:1px solid var(--line);
  border-radius:12px;
  padding:14px 16px;
  font-size:15px;
  color:var(--tx-2);
  line-height:1.6;
  transition:border-color .2s ease,background .2s ease;
}
.check-list li:hover{border-color:rgba(18,230,184,.35);background:var(--bg-3);}
.check-list i{color:var(--brand);font-size:14px;margin-top:6px;flex:none;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:920px;}
.faq-item{border-bottom:1px solid var(--line);}
.faq-item summary{
  list-style:none;
  cursor:pointer;
  padding:18px 12px 18px 18px;
  font-size:16px;
  font-weight:600;
  color:var(--tx-1);
  border-left:2px solid transparent;
  transition:color .2s ease,border-color .2s ease,background .2s ease;
  position:relative;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"\f078";
  font-family:"Font Awesome 6 Free";
  font-weight:900;
  font-size:12px;
  color:var(--tx-3);
  position:absolute;
  right:14px;
  top:50%;
  transform:translateY(-50%);
  transition:transform .2s ease,color .2s ease;
}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(180deg);color:var(--brand);}
.faq-item summary:hover{background:rgba(255,255,255,.03);}
.faq-item[open] summary{border-left-color:var(--brand);color:var(--brand);}
.faq-body{padding:0 24px 20px 20px;color:var(--tx-2);font-size:15px;line-height:1.8;}

/* ---------- CTA ---------- */
.cta-band{
  background:var(--bg-1);
  border:1px solid rgba(18,230,184,.28);
  border-radius:var(--r-card);
  padding:44px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:28px;
  flex-wrap:wrap;
  position:relative;
  overflow:hidden;
}
.cta-band::after{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(50% 70% at 90% 10%, rgba(18,230,184,.14), transparent 70%);
  pointer-events:none;
}
.cta-band > *{position:relative;z-index:1;}
.cta-band h2{font-size:clamp(1.375rem,2.2vw,1.75rem);font-weight:700;margin-bottom:10px;}
.cta-band p{color:var(--tx-2);font-size:15px;margin:0;max-width:620px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

/* ---------- 页脚 ---------- */
.site-foot{
  border-top:1px solid var(--line);
  background:var(--bg-1);
  padding:56px 0 0;
}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;}
.foot-brand strong{font-size:16px;}
.foot-col h4{font-size:14px;font-weight:600;color:var(--tx-3);margin-bottom:14px;letter-spacing:.04em;}
.foot-col ul{display:flex;flex-direction:column;gap:10px;}
.foot-col a{font-size:14px;color:var(--tx-2);}
.foot-col p{font-size:14px;color:var(--tx-2);line-height:1.8;}
.foot-bottom{
  border-top:1px solid var(--line);
  margin-top:44px;
  padding:20px 0;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  flex-wrap:wrap;
  font-size:13px;
  color:var(--tx-3);
}
.to-top{
  background:transparent;
  border:1px solid var(--line-strong);
  border-radius:999px;
  color:var(--tx-2);
  padding:8px 18px;
  font-size:13px;
  transition:color .2s ease,border-color .2s ease,background .2s ease;
}
.to-top:hover{color:var(--brand);border-color:var(--brand);background:rgba(18,230,184,.08);}

/* ---------- 响应式 ---------- */
@media (min-width:1400px){
  .wrap{max-width:1200px;}
}
@media (min-width:992px) and (max-width:1199.98px){
  :root{--sidebar:76px;}
  .brand{justify-content:center;padding:0;}
  .brand-text{display:none;}
  .nav-item{justify-content:center;padding:0;}
  .nav-item span,.nav-label,.side-foot p,.side-foot .btn span{display:none;}
  .sidebar-nav{padding:10px 12px;}
  .nav-item::after{
    content:attr(data-name);
    position:absolute;
    left:calc(100% + 12px);
    top:50%;
    transform:translateY(-50%) translateX(-4px);
    background:var(--bg-3);
    color:var(--tx-1);
    font-size:13px;
    padding:6px 12px;
    border-radius:8px;
    border:1px solid var(--line);
    white-space:nowrap;
    opacity:0;
    pointer-events:none;
    transition:opacity .18s ease,transform .18s ease;
    z-index:30;
  }
  .nav-item:hover::after{opacity:1;transform:translateY(-50%) translateX(0);}
  .side-foot{padding:12px 10px;}
}
@media (max-width:991.98px){
  .sidebar{transform:translateX(-100%);width:280px;}
  .sidebar.open{transform:translateX(0);}
  .topbar{display:flex;}
  .main{margin-left:0;padding-top:56px;}
  .section{padding:72px 0;}
  .page-head{padding:56px 0 44px;}
  .check-grid{grid-template-columns:1fr;gap:28px;}
  .foot-grid{grid-template-columns:1fr 1fr;}
  .cta-band{padding:32px;}
}
@media (max-width:767.98px){
  .wrap{padding:0 16px;}
  .section{padding:56px 0;}
  .page-head h1{font-size:2rem;}
  .page-head .lead{font-size:16px;}
  .media-card{grid-template-columns:1fr;}
  .media-card.reverse .media-fig{order:0;}
  .check-list{grid-template-columns:1fr;}
  .btn{width:100%;}
  .cta-actions{width:100%;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
  .to-top{width:100%;}
}
@media (max-width:575.98px){
  .page-head::after{
    background:radial-gradient(60% 60% at 85% 20%, rgba(18,230,184,.16), transparent 70%);
  }
}
@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important;}
  .media-card:hover{transform:none;}
  .media-card:hover .media-fig img{transform:none;}
  .btn:hover{transform:none;}
}

/* roulang page: category2 */
:root{
  --bg-0:#05070E;
  --bg-1:#0A0F1C;
  --bg-2:#101728;
  --bg-3:#16203A;
  --line:rgba(255,255,255,.08);
  --line-strong:rgba(255,255,255,.16);
  --brand:#12E6B8;
  --brand-deep:#0A9E80;
  --brand-soft:rgba(18,230,184,.12);
  --accent:#FF3F7F;
  --warn:#FFC24B;
  --tx-1:#E9F1F5;
  --tx-2:#94A6B8;
  --tx-3:#5F7285;
  --r-card:16px;
  --r-btn:12px;
  --r-img:14px;
  --r-input:10px;
  --sd-1:0 8px 24px rgba(0,0,0,.35);
  --sd-2:0 14px 36px rgba(0,0,0,.45);
  --ease:cubic-bezier(.2,.7,.3,1);

  --bs-body-bg:#05070E;
  --bs-body-color:#E9F1F5;
  --bs-primary:#12E6B8;
  --bs-link-color:#E9F1F5;
  --bs-link-hover-color:#12E6B8;
  --bs-border-color:rgba(255,255,255,.08);
  --bs-border-radius:12px;
  --bs-font-sans-serif:-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  --bs-body-font-family:-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--tx-1);
  font-family:-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;}
a{color:var(--tx-1);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:var(--brand);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--tx-1);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 布局骨架 ---------- */
.wrap{max-width:1200px;margin:0 auto;padding:0 32px;}
.app-main{margin-left:240px;min-height:100vh;background:var(--bg-0);}
.sec{padding:88px 0;border-top:1px solid var(--line);}
.sec:first-of-type{border-top:0;}
.sec-alt{background:var(--bg-1);}
.sec-head{margin-bottom:36px;max-width:760px;}
.sec-head h2{font-size:clamp(1.75rem,2.6vw,2.15rem);font-weight:700;line-height:1.3;letter-spacing:-.01em;}
.sec-head p{margin-top:12px;color:var(--tx-2);font-size:15px;line-height:1.8;}

/* ---------- 左侧导航 ---------- */
.app-side{
  position:fixed;top:0;left:0;width:240px;height:100vh;
  display:flex;flex-direction:column;
  padding:0 14px 18px;
  background:var(--bg-1);
  border-right:1px solid var(--line);
  z-index:1040;
}
.side-logo{
  display:flex;align-items:center;gap:10px;
  height:72px;flex:0 0 72px;padding:0 6px;
}
.brand-mark{
  display:inline-flex;align-items:center;justify-content:center;
  width:36px;height:36px;flex:0 0 36px;border-radius:10px;
  background:linear-gradient(120deg,#12E6B8,#0AC7C7);
  color:#04121A;font-weight:800;font-size:16px;letter-spacing:0;
}
.logo-text{display:flex;flex-direction:column;line-height:1.2;min-width:0;}
.logo-text strong{font-size:15px;font-weight:700;color:var(--tx-1);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.logo-text em{font-style:normal;font-size:11px;color:var(--tx-3);letter-spacing:.02em;}
.nav-menu{
  display:flex;flex-direction:column;gap:4px;
  flex:1 1 auto;overflow-y:auto;padding:8px 0;
}
.nav-label{font-size:12px;color:var(--tx-3);letter-spacing:.08em;margin:0 0 6px 10px;}
.nav-item{
  position:relative;display:flex;align-items:center;gap:10px;
  height:44px;padding:0 10px;border-radius:10px;
  color:var(--tx-2);font-size:15px;white-space:nowrap;
  transition:background .2s var(--ease),color .2s var(--ease);
}
.nav-item i{width:18px;text-align:center;font-size:15px;}
.nav-item::before{
  content:"";position:absolute;left:-14px;top:12px;bottom:12px;width:1px;
  background:var(--brand);opacity:0;transition:opacity .2s var(--ease),width .2s var(--ease);
}
.nav-item:hover{background:rgba(255,255,255,.04);color:var(--tx-1);}
.nav-item:hover::before{opacity:.45;}
.nav-item.active{background:rgba(255,255,255,.06);color:var(--brand);}
.nav-item.active::before{width:3px;opacity:1;box-shadow:0 0 12px rgba(18,230,184,.55);}
.side-cta{flex:0 0 auto;border-top:1px solid var(--line);padding-top:16px;margin-top:8px;}
.side-cta .btn-brand{width:100%;justify-content:center;}
.side-cta span{display:block;margin-top:10px;font-size:12px;color:var(--tx-3);line-height:1.6;}

/* ---------- 顶部栏（移动） ---------- */
.top-bar{
  display:none;position:fixed;top:0;left:0;right:0;height:56px;
  align-items:center;justify-content:space-between;
  padding:0 14px;background:rgba(10,15,28,.96);
  border-bottom:1px solid var(--line);z-index:1050;
}
.burger,.top-cta{
  display:inline-flex;align-items:center;justify-content:center;
  width:38px;height:38px;border-radius:10px;
  background:var(--bg-2);border:1px solid var(--line);
  color:var(--tx-1);font-size:15px;cursor:pointer;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.burger:hover,.top-cta:hover{border-color:var(--line-strong);color:var(--brand);}
.top-logo{display:flex;align-items:center;gap:8px;min-width:0;}
.top-logo strong{font-size:15px;font-weight:700;white-space:nowrap;overflow:hidden;text-overflow:ellipsis;}
.top-logo .brand-mark{width:30px;height:30px;flex:0 0 30px;border-radius:9px;font-size:14px;}
.drawer-mask{
  display:none;position:fixed;inset:0;background:rgba(0,0,0,.6);z-index:1039;
}
.drawer-mask.show{display:block;}

/* ---------- 按钮 ---------- */
.btn-brand{
  display:inline-flex;align-items:center;gap:8px;
  padding:12px 24px;border-radius:999px;border:0;
  background:linear-gradient(120deg,#12E6B8,#0AC7C7);
  color:#04121A;font-weight:700;font-size:15px;line-height:1.2;
  cursor:pointer;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),filter .2s var(--ease);
}
.btn-brand:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 0 24px rgba(18,230,184,.32);color:#04121A;}
.btn-brand:active{transform:translateY(1px);filter:brightness(.94);}
.btn-brand:focus-visible{outline:3px solid rgba(18,230,184,.35);outline-offset:2px;}
.btn-ghost{
  display:inline-flex;align-items:center;gap:8px;
  padding:11px 22px;border-radius:999px;
  background:transparent;border:1px solid var(--line-strong);
  color:var(--tx-1);font-weight:600;font-size:15px;line-height:1.2;
  cursor:pointer;
  transition:border-color .2s var(--ease),color .2s var(--ease),background .2s var(--ease);
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:rgba(18,230,184,.08);}
.btn-ghost:active{transform:translateY(1px);}
.btn-ghost:focus-visible{outline:3px solid rgba(18,230,184,.35);outline-offset:2px;}

/* ---------- 页头 ---------- */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--line);background:var(--bg-1);}
.page-hero .hero-bg{
  position:absolute;inset:0;
  background:url(/assets/images/backpic/back-2.webp) center/cover no-repeat;
  opacity:.55;
}
.page-hero .hero-shade{
  position:absolute;inset:0;
  background:linear-gradient(112deg,rgba(5,7,14,.97) 0%,rgba(5,7,14,.86) 44%,rgba(10,158,128,.42) 100%);
}
.page-hero .hero-grid{
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:24px 24px;
}
.page-hero .hero-glow{
  position:absolute;inset:0;
  background:radial-gradient(60% 60% at 70% 30%,rgba(18,230,184,.18),transparent 70%);
}
.hero-inner{position:relative;padding:64px 32px 76px;}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--tx-3);margin-bottom:26px;}
.crumb a{color:var(--tx-2);}
.crumb a:hover{color:var(--brand);}
.crumb .sep{color:var(--tx-3);opacity:.7;}
.crumb .now{color:var(--tx-1);}
.page-hero h1{
  font-size:clamp(2.25rem,4vw,3.4rem);font-weight:800;line-height:1.16;letter-spacing:-.02em;
  max-width:900px;
}
.page-hero h1 span{color:var(--brand);}
.hero-sub{margin-top:20px;max-width:640px;color:var(--tx-2);font-size:16px;line-height:1.8;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:34px;}
.tagchip{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);
  font-size:12px;letter-spacing:.02em;
}
.tagchip.magenta{background:rgba(255,63,127,.12);color:var(--accent);}

/* ---------- 数据摘要条 ---------- */
.stat-strip{background:var(--bg-1);border-bottom:1px solid var(--line);}
.stat-row{display:flex;flex-wrap:wrap;padding-top:30px;padding-bottom:30px;}
.stat-cell{
  flex:1 1 0;min-width:200px;
  padding:6px 28px;
  border-left:1px solid var(--line);
}
.stat-cell:first-child{border-left:0;padding-left:0;}
.stat-num{
  display:block;font-size:28px;font-weight:800;line-height:1.2;
  color:var(--brand);font-variant-numeric:tabular-nums;letter-spacing:-.01em;
}
.stat-num .unit{font-size:14px;font-weight:600;color:var(--tx-3);margin-left:4px;}
.stat-txt{display:block;margin-top:6px;font-size:13px;color:var(--tx-2);}

/* ---------- 问答区 ---------- */
.tag-rail{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;position:sticky;top:24px;
}
.rail-title{font-size:13px;color:var(--tx-3);letter-spacing:.06em;margin-bottom:14px;}
.rail-item{
  display:flex;align-items:flex-start;gap:12px;
  padding:12px 12px;border-radius:12px;
  transition:background .2s var(--ease);
}
.rail-item:hover{background:rgba(255,255,255,.03);}
.rail-item i{
  width:30px;height:30px;flex:0 0 30px;border-radius:9px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--bg-3);border:1px solid var(--line);
  color:var(--brand);font-size:13px;
}
.rail-body strong{display:block;font-size:14px;font-weight:600;color:var(--tx-1);}
.rail-body span{display:block;font-size:12px;color:var(--tx-3);margin-top:2px;line-height:1.6;}

.sec-accordion{border-top:1px solid var(--line);}
.sec-accordion .accordion-item{background:transparent;border:0;border-bottom:1px solid var(--line);}
.sec-accordion .accordion-header{margin:0;}
.sec-accordion .accordion-button{
  position:relative;
  display:flex;align-items:center;gap:12px;
  width:100%;padding:22px 46px 22px 20px;
  background:transparent;border:0;border-radius:0;
  color:var(--tx-2);font-size:16px;font-weight:600;line-height:1.55;
  text-align:left;box-shadow:none;
  transition:color .2s var(--ease),background .2s var(--ease);
}
.sec-accordion .accordion-button::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:2px;
  background:var(--brand);opacity:0;transition:opacity .22s var(--ease);
}
.sec-accordion .accordion-button::after{
  content:"";position:absolute;right:18px;top:50%;
  width:10px;height:10px;margin:0;
  border-right:2px solid var(--tx-3);border-bottom:2px solid var(--tx-3);
  transform:translateY(-70%) rotate(45deg);
  background-image:none;
  transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.sec-accordion .accordion-button:hover{color:var(--tx-1);background:rgba(255,255,255,.02);}
.sec-accordion .accordion-button:focus{box-shadow:none;outline:0;}
.sec-accordion .accordion-button:focus-visible{outline:3px solid rgba(18,230,184,.35);outline-offset:-3px;}
.sec-accordion .accordion-button:not(.collapsed){color:var(--tx-1);background:transparent;}
.sec-accordion .accordion-button:not(.collapsed)::before{opacity:1;}
.sec-accordion .accordion-button:not(.collapsed)::after{
  transform:translateY(-30%) rotate(-135deg);border-color:var(--brand);
}
.q-idx{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:34px;height:26px;padding:0 8px;border-radius:999px;
  background:var(--bg-3);border:1px solid var(--line);
  color:var(--brand);font-size:12px;font-weight:700;
  font-variant-numeric:tabular-nums;letter-spacing:.02em;
}
.sec-accordion .accordion-body{
  padding:0 46px 24px 20px;
  background:rgba(255,255,255,.02);
  color:var(--tx-2);font-size:15px;line-height:1.85;
}
.sec-accordion .accordion-body strong{color:var(--tx-1);font-weight:600;}
.acc-answer-note{
  display:block;margin-top:12px;padding-left:12px;border-left:2px solid var(--brand);
  color:var(--tx-3);font-size:13px;line-height:1.7;
}

/* ---------- 核对清单 ---------- */
.figure-img{
  width:100%;border-radius:var(--r-img);
  border:1px solid var(--line);
  box-shadow:var(--sd-1);
  object-fit:cover;
}
.lead-p{margin-top:14px;color:var(--tx-2);font-size:15px;line-height:1.85;max-width:620px;}
.check-list{margin-top:24px;display:flex;flex-direction:column;}
.check-item{
  display:flex;align-items:flex-start;gap:16px;
  padding:18px 4px;border-bottom:1px dashed var(--line);
  transition:background .2s var(--ease);
}
.check-item:last-child{border-bottom:0;}
.check-item:hover{background:rgba(255,255,255,.03);}
.check-no{
  flex:0 0 40px;font-size:26px;font-weight:800;line-height:1.1;
  color:transparent;-webkit-text-stroke:1px rgba(18,230,184,.55);
  font-variant-numeric:tabular-nums;
}
.check-body strong{display:block;font-size:16px;font-weight:600;color:var(--tx-1);}
.check-body p{margin-top:6px;font-size:14px;color:var(--tx-2);line-height:1.75;}
.badge-soft{
  display:inline-flex;align-items:center;
  padding:3px 10px;border-radius:999px;
  background:var(--brand-soft);color:var(--brand);
  font-size:12px;font-weight:600;letter-spacing:.02em;
}
.badge-soft.magenta{background:rgba(255,63,127,.12);color:var(--accent);}
.badge-soft.warn{background:rgba(255,194,75,.14);color:var(--warn);}

/* ---------- CTA ---------- */
.cta-band{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:28px;
  padding:40px 44px;border-radius:var(--r-card);
  background:var(--bg-2);border:1px solid var(--line);
  box-shadow:var(--sd-1);
}
.cta-band h2{font-size:clamp(1.45rem,2.2vw,1.85rem);font-weight:700;line-height:1.35;}
.cta-band p{margin-top:10px;color:var(--tx-2);font-size:15px;line-height:1.8;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;}

/* ---------- 页脚 ---------- */
.site-foot{border-top:1px solid var(--line);background:var(--bg-1);padding:64px 0 0;}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.foot-brand strong{font-size:16px;font-weight:700;}
.foot-col p{color:var(--tx-2);font-size:14px;line-height:1.85;max-width:320px;}
.foot-col h4{font-size:14px;font-weight:600;color:var(--tx-3);margin-bottom:16px;letter-spacing:.04em;}
.foot-col ul li{margin-bottom:10px;}
.foot-col ul a{font-size:14px;color:var(--tx-2);}
.foot-col ul a:hover{color:var(--brand);}
.foot-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;
  margin-top:48px;padding:22px 0 28px;border-top:1px solid var(--line);
  color:var(--tx-3);font-size:13px;
}
.to-top{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:999px;
  background:var(--bg-2);border:1px solid var(--line);
  color:var(--tx-2);font-size:13px;cursor:pointer;
  transition:border-color .2s var(--ease),color .2s var(--ease),transform .2s var(--ease);
}
.to-top:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);}
.to-top:focus-visible{outline:3px solid rgba(18,230,184,.35);outline-offset:2px;}

/* ---------- 响应式 ---------- */
@media (max-width:1399.98px){
  .wrap{padding:0 28px;}
}
@media (min-width:992px) and (max-width:1199.98px){
  .app-side{width:76px;padding:0 10px 18px;}
  .app-main{margin-left:76px;}
  .logo-text,.nav-label,.side-cta span{display:none;}
  .side-logo{justify-content:center;padding:0;}
  .nav-item{justify-content:center;padding:0;gap:0;}
  .nav-item span{
    display:none;position:absolute;left:54px;top:50%;transform:translateY(-50%);
    padding:6px 12px;border-radius:8px;
    background:var(--bg-3);border:1px solid var(--line-strong);
    color:var(--tx-1);font-size:13px;white-space:nowrap;z-index:20;
  }
  .nav-item:hover span{display:block;}
  .side-cta .btn-brand{padding:12px 0;justify-content:center;}
  .side-cta .btn-brand i{margin:0;}
}
@media (max-width:991.98px){
  .top-bar{display:flex;}
  .app-side{
    width:280px;
    transform:translateX(-100%);
    transition:transform .28s var(--ease);
    box-shadow:var(--sd-2);
  }
  .app-side.open{transform:translateX(0);}
  .app-main{margin-left:0;padding-top:56px;}
  .hero-inner{padding:36px 24px 56px;}
  .wrap{padding:0 22px;}
  .sec{padding:64px 0;}
  .stat-cell{flex:1 1 45%;border-left:0;padding:14px 0;border-bottom:1px solid var(--line);}
  .stat-cell:last-child{border-bottom:0;}
  .tag-rail{position:static;margin-bottom:26px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-band{padding:30px 24px;}
}
@media (max-width:767.98px){
  .page-hero h1{font-size:2rem;}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{width:100%;justify-content:center;}
  .cta-actions{width:100%;}
  .cta-actions .btn-brand,.cta-actions .btn-ghost{width:100%;justify-content:center;}
  .sec-accordion .accordion-button{padding:18px 40px 18px 14px;font-size:15px;}
  .sec-accordion .accordion-body{padding:0 20px 20px 14px;}
  .foot-grid{grid-template-columns:1fr;gap:26px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
}
@media (max-width:575.98px){
  .page-hero .hero-grid{display:none;}
  .check-no{flex:0 0 32px;font-size:22px;}
}
@media (prefers-reduced-motion:reduce){
  *{transition-property:color,background-color,border-color,opacity !important;}
  html{scroll-behavior:auto;}
  .btn-brand:hover,.btn-ghost:hover,.to-top:hover,.nav-item:hover{transform:none;}
}

/* roulang page: category4 */
:root{
  --bg-0:#05070E; --bg-1:#0A0F1C; --bg-2:#101728; --bg-3:#16203A;
  --line:rgba(255,255,255,.08); --line-strong:rgba(255,255,255,.16);
  --brand:#12E6B8; --brand-deep:#0A9E80; --brand-soft:rgba(18,230,184,.12);
  --accent:#FF3F7F; --warn:#FFC24B;
  --tx-1:#E9F1F5; --tx-2:#94A6B8; --tx-3:#5F7285;
  --r-card:16px; --r-btn:12px; --r-img:14px; --r-in:10px;
  --sh-1:0 8px 24px rgba(0,0,0,.35); --sh-2:0 14px 36px rgba(0,0,0,.45);
  --glow:0 0 24px rgba(18,230,184,.32);

  --bs-body-bg:#05070E;
  --bs-body-color:#E9F1F5;
  --bs-primary:#12E6B8;
  --bs-link-color:#E9F1F5;
  --bs-link-hover-color:#12E6B8;
  --bs-border-color:rgba(255,255,255,.08);
  --bs-border-radius:12px;
  --bs-font-sans-serif:-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg-0);color:var(--tx-1);
  font-family:-apple-system,"PingFang SC","Noto Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.75;-webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:var(--tx-1);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--tx-1);letter-spacing:-.01em}
p{margin:0 0 1em}
ul{margin:0;padding:0;list-style:none}
::selection{background:rgba(18,230,184,.28);color:#fff}
:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(18,230,184,.35);border-radius:6px}

.wrap{max-width:1200px;margin:0 auto;padding:0 32px;width:100%}

/* ---------- App shell ---------- */
.app{display:flex;min-height:100vh}

.sidebar{
  position:fixed;left:0;top:0;bottom:0;width:240px;z-index:1040;
  background:var(--bg-1);border-right:1px solid var(--line);
  display:flex;flex-direction:column;
}
.side-brand{height:72px;display:flex;align-items:center;padding:0 18px;border-bottom:1px solid var(--line)}
.brand{display:flex;align-items:center;gap:10px;text-decoration:none}
.brand:hover{text-decoration:none}
.brand-mark{
  width:36px;height:36px;flex:0 0 36px;display:grid;place-items:center;border-radius:10px;
  background:var(--brand-soft);border:1px solid rgba(18,230,184,.35);
  color:var(--brand);font-weight:800;font-size:17px;
}
.brand-text{font-size:15px;font-weight:700;color:var(--tx-1);white-space:nowrap}

.nav-menu{padding:14px;display:flex;flex-direction:column;gap:4px;flex:1 1 auto;overflow-y:auto}
.nav-label{font-size:12px;color:var(--tx-3);margin:0 0 6px 14px;letter-spacing:.08em}
.nav-item{
  position:relative;height:44px;display:flex;align-items:center;gap:12px;
  padding:0 14px;border-radius:10px;color:var(--tx-2);font-size:15px;
  transition:background .2s ease,color .2s ease;
}
.nav-item i{font-size:18px;width:20px;text-align:center;flex:0 0 20px}
.nav-item span{white-space:nowrap}
.nav-item::before{
  content:"";position:absolute;left:-14px;top:50%;transform:translateY(-50%);
  width:3px;height:22px;border-radius:0 3px 3px 0;background:transparent;transition:all .2s ease;
}
.nav-item:hover{background:rgba(255,255,255,.04);color:var(--tx-1);text-decoration:none}
.nav-item:hover::before{background:rgba(255,255,255,.2);height:14px;width:1px}
.nav-item.active{background:rgba(255,255,255,.06);color:var(--brand)}
.nav-item.active::before{background:var(--brand);box-shadow:0 0 10px var(--brand);width:3px;height:22px}

.side-foot{padding:16px 14px 22px;border-top:1px solid var(--line)}
.side-cta{width:100%}
.side-foot p{margin:10px 0 0;font-size:12px;color:var(--tx-3);text-align:center}

.main{flex:1 1 auto;min-width:0;margin-left:240px;display:flex;flex-direction:column}

/* ---------- Buttons ---------- */
.btn-brand,.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;line-height:1;cursor:pointer;
  transition:transform .22s cubic-bezier(.2,.7,.3,1),filter .22s ease,box-shadow .22s ease,border-color .22s ease,color .22s ease,background .22s ease;
}
.btn-brand{
  border:1px solid transparent;
  background:linear-gradient(120deg,#12E6B8,#0AC7C7);
  color:#04121A;box-shadow:var(--glow);text-decoration:none;
}
.btn-brand:hover{color:#04121A;text-decoration:none;filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 0 30px rgba(18,230,184,.45)}
.btn-brand:active{transform:translateY(1px);filter:brightness(.96)}
.btn-brand:focus-visible{box-shadow:0 0 0 3px rgba(18,230,184,.35)}
.btn-ghost{
  border:1px solid var(--line-strong);background:transparent;color:var(--tx-1);text-decoration:none;
}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);background:rgba(18,230,184,.08);text-decoration:none}
.btn-ghost:active{transform:translateY(1px)}

/* ---------- Topbar (mobile) ---------- */
.topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:56px;z-index:1050;
  align-items:center;justify-content:space-between;padding:0 16px;
  background:rgba(10,15,28,.94);border-bottom:1px solid var(--line);
  backdrop-filter:blur(10px);-webkit-backdrop-filter:blur(10px);
}
.burger,.top-cta{
  width:38px;height:38px;display:grid;place-items:center;border-radius:10px;
  background:transparent;border:1px solid var(--line);color:var(--tx-1);cursor:pointer;
}
.burger:hover,.top-cta:hover{border-color:var(--brand);color:var(--brand)}
.top-logo{font-size:15px;font-weight:700;color:var(--tx-1)}
.overlay{
  position:fixed;inset:0;background:rgba(0,0,0,.6);opacity:0;visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;z-index:1055;
}
.overlay.show{opacity:1;visibility:visible}

/* ---------- Page hero ---------- */
.page-hero{
  position:relative;overflow:hidden;border-bottom:1px solid var(--line);
  padding:64px 0 52px;
  background-image:
    linear-gradient(120deg,rgba(5,7,14,.94) 0%,rgba(5,7,14,.78) 42%,rgba(18,230,184,.18) 100%),
    url('/assets/images/backpic/back-3.webp');
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:
    linear-gradient(rgba(255,255,255,.03) 1px,transparent 1px),
    linear-gradient(90deg,rgba(255,255,255,.03) 1px,transparent 1px);
  background-size:24px 24px;
}
.page-hero .wrap{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--tx-3);margin-bottom:18px}
.crumb a{color:var(--tx-2)}
.crumb a:hover{color:var(--brand)}
.crumb .cur{color:var(--tx-1)}
.page-hero h1{
  font-size:clamp(2.25rem,4vw,3.25rem);font-weight:800;line-height:1.16;letter-spacing:-.02em;
  margin:0 0 16px;max-width:820px;
}
.page-hero .lead{font-size:17px;color:var(--tx-2);max-width:720px;margin:0}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:22px}
.pill{
  display:inline-flex;align-items:center;gap:6px;height:30px;padding:0 12px;border-radius:999px;
  font-size:13px;background:var(--brand-soft);color:var(--brand);border:1px solid rgba(18,230,184,.25);
}
.pill.warn{background:rgba(255,194,75,.12);color:var(--warn);border-color:rgba(255,194,75,.28)}
.pill.accent{background:rgba(255,63,127,.12);color:var(--accent);border-color:rgba(255,63,127,.28)}

/* ---------- Sections ---------- */
.section{padding:72px 0}
.sec-head{display:flex;flex-wrap:wrap;align-items:baseline;gap:14px;margin-bottom:22px}
.sec-head h2{font-size:clamp(1.5rem,2.4vw,1.95rem);font-weight:700;line-height:1.3}
.sec-sub{font-size:14px;color:var(--tx-3)}

/* ---------- Chips ---------- */
.chips{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:24px}
.chip{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:999px;
  background:var(--bg-2);border:1px solid var(--line);color:var(--tx-2);font-size:13px;
  transition:all .2s ease;
}
.chip:hover{color:var(--brand);border-color:rgba(18,230,184,.45);background:var(--brand-soft);text-decoration:none}

/* ---------- Summary grid ---------- */
.sum-grid{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:32px;align-items:start}
.card-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}

.big-card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .22s cubic-bezier(.2,.7,.3,1),border-color .22s ease,box-shadow .22s ease;
}
.big-card:hover{transform:translateY(-4px);border-color:rgba(18,230,184,.35);box-shadow:var(--sh-2)}
.card-cover{position:relative;aspect-ratio:16/9;overflow:hidden;border-radius:0;background:var(--bg-3)}
.card-cover img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .35s cubic-bezier(.2,.7,.3,1)}
.big-card:hover .card-cover img{transform:scale(1.03)}
.tag{
  position:absolute;left:14px;top:14px;
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.02em;
  background:rgba(10,15,28,.82);color:var(--brand);border:1px solid rgba(18,230,184,.35);
  backdrop-filter:blur(6px);-webkit-backdrop-filter:blur(6px);
}
.tag.pink{color:var(--accent);border-color:rgba(255,63,127,.35)}
.card-body{padding:20px 22px 22px}
.card-body h3{font-size:1.125rem;font-weight:600;line-height:1.45;margin-bottom:10px}
.card-body .excerpt{
  font-size:14px;color:var(--tx-2);line-height:1.7;margin:0;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.dot-list{margin-top:14px;padding-top:14px;border-top:1px dashed var(--line)}
.dot-list li{
  position:relative;padding-left:16px;margin-bottom:8px;font-size:14px;color:var(--tx-2);line-height:1.65;
}
.dot-list li:last-child{margin-bottom:0}
.dot-list li::before{
  content:"";position:absolute;left:0;top:.6em;width:6px;height:6px;border-radius:1px;background:var(--brand);
}

/* ---------- Side column ---------- */
.sum-side{display:flex;flex-direction:column;gap:20px}
.side-panel{background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-card);padding:20px 18px}
.side-panel.sticky{position:sticky;top:24px}
.side-panel h3{font-size:1rem;font-weight:600;margin-bottom:6px;display:flex;align-items:center;gap:8px}
.side-panel h3 i{color:var(--brand);font-size:14px}
.side-hint{font-size:13px;color:var(--tx-3);margin:0 0 8px}
.mini-list{margin:0 -8px}
.mini-item{padding:11px 8px;border-bottom:1px solid var(--line);border-radius:8px;transition:background .2s ease}
.mini-item:last-child{border-bottom:none}
.mini-item:hover{background:rgba(255,255,255,.03)}
.m-title{font-size:14px;font-weight:600;color:var(--tx-1);line-height:1.55}
.m-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:5px;font-size:12px;color:var(--tx-3)}
.m-meta .m-cat{color:var(--brand)}

/* ---------- CTA ---------- */
.cta-panel{
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:26px;align-items:center;
  background:linear-gradient(120deg,rgba(18,230,184,.10),rgba(16,23,40,.92));
  border:1px solid var(--line-strong);border-radius:var(--r-card);
  padding:32px;box-shadow:var(--sh-1);
}
.cta-panel h2{font-size:clamp(1.35rem,2.2vw,1.75rem);font-weight:700;margin-bottom:10px}
.cta-panel p{margin:0;color:var(--tx-2);font-size:15px;max-width:620px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ---------- Recommend ---------- */
.rec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:20px;margin-top:24px}
.rec-card{
  display:block;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  padding:20px;text-decoration:none;transition:transform .22s cubic-bezier(.2,.7,.3,1),border-color .22s ease,box-shadow .22s ease;
}
.rec-card:hover{transform:translateY(-4px);border-color:rgba(18,230,184,.35);box-shadow:var(--sh-2);text-decoration:none}
.rec-card h3{font-size:1.05rem;font-weight:600;margin-bottom:8px;color:var(--tx-1)}
.rec-card p{font-size:14px;color:var(--tx-2);margin:0 0 12px;line-height:1.7}
.rec-more{font-size:13px;color:var(--brand);display:inline-flex;align-items:center;gap:6px}

/* ---------- Footer ---------- */
.site-foot{border-top:1px solid var(--line);background:var(--bg-0);padding:56px 0 24px;margin-top:auto}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.foot-brand strong{font-size:15px;color:var(--tx-1)}
.foot-col p{font-size:14px;color:var(--tx-2);line-height:1.75;margin:0;max-width:320px}
.foot-col h4{font-size:14px;font-weight:600;color:var(--tx-2);margin-bottom:14px}
.foot-col ul li{margin-bottom:10px}
.foot-col ul a{font-size:14px;color:var(--tx-1)}
.foot-col ul a:hover{color:var(--brand)}
.foot-bottom{
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  border-top:1px solid var(--line);margin-top:40px;padding-top:20px;
  font-size:13px;color:var(--tx-3);
}
.to-top{
  background:transparent;border:1px solid var(--line);color:var(--tx-2);
  border-radius:999px;padding:6px 14px;font-size:13px;cursor:pointer;transition:all .2s ease;
}
.to-top:hover{border-color:var(--brand);color:var(--brand)}

/* ---------- Responsive ---------- */
@media (max-width:1399.98px){
  .wrap{max-width:1200px}
}
@media (max-width:1199.98px){
  .sidebar{width:76px}
  .brand-text,.nav-item span,.nav-label,.side-foot p{display:none}
  .side-brand{padding:0;justify-content:center}
  .nav-item{justify-content:center;padding:0}
  .nav-item::before{left:-14px}
  .nav-item:hover::after{
    content:attr(data-name);position:absolute;left:calc(100% + 14px);top:50%;transform:translateY(-50%);
    background:var(--bg-3);border:1px solid var(--line-strong);color:var(--tx-1);
    padding:6px 12px;border-radius:8px;font-size:13px;white-space:nowrap;z-index:20;box-shadow:var(--sh-1);
  }
  .side-foot{padding:14px 12px 20px}
  .side-cta{width:44px;height:44px;padding:0;border-radius:12px;margin:0 auto}
  .side-cta span{display:none}
  .main{margin-left:76px}
  .sum-grid{grid-template-columns:minmax(0,1fr) 300px;gap:24px}
}
@media (max-width:991.98px){
  .topbar{display:flex}
  .sidebar{width:280px;transform:translateX(-100%);transition:transform .28s cubic-bezier(.2,.7,.3,1);z-index:1060}
  .sidebar.open{transform:translateX(0)}
  .sidebar .brand-text,.sidebar .nav-item span,.sidebar .nav-label,.sidebar .side-foot p{display:block}
  .sidebar .side-brand{padding:0 18px;justify-content:flex-start}
  .sidebar .nav-item{justify-content:flex-start;padding:0 14px}
  .sidebar .side-foot{padding:16px 14px 22px}
  .sidebar .side-cta{width:100%;height:46px;padding:0 22px}
  .sidebar .side-cta span{display:inline}
  .main{margin-left:0;padding-top:56px}
  .wrap{padding:0 24px}
  .section{padding:64px 0}
  .sum-grid{grid-template-columns:minmax(0,1fr)}
  .sum-side{flex-direction:row;flex-wrap:wrap}
  .side-panel{flex:1 1 280px}
  .side-panel.sticky{position:static}
  .cta-panel{grid-template-columns:minmax(0,1fr)}
  .rec-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767.98px){
  .wrap{padding:0 16px}
  .section{padding:56px 0}
  .page-hero{padding:44px 0 38px}
  .page-hero h1{font-size:2rem}
  .page-hero .lead{font-size:15px}
  .card-grid{grid-template-columns:minmax(0,1fr)}
  .rec-grid{grid-template-columns:minmax(0,1fr)}
  .cta-panel{padding:24px}
  .cta-actions{flex-direction:column;align-items:stretch}
  .cta-actions .btn-brand,.cta-actions .btn-ghost{width:100%}
  .foot-grid{grid-template-columns:1fr}
  .foot-bottom{flex-direction:column;align-items:flex-start}
}
@media (max-width:575.98px){
  .page-hero::after{display:none}
  .chips{gap:8px}
  .chip{height:30px;padding:0 12px;font-size:12px}
}

@media (prefers-reduced-motion:reduce){
  *{transition-duration:.01ms !important;animation-duration:.01ms !important}
  .big-card:hover,.rec-card:hover,.btn-brand:hover{transform:none}
  .big-card:hover .card-cover img{transform:none}
}