/* roulang page: index */
:root{
  --main:#17E6C0;
  --hot:#FF3D7F;
  --amber:#FFB020;
  --bg:#0B0918;
  --bg-2:#141029;
  --bg-3:#1C1738;
  --line:#2A2450;
  --txt:#F2F0FF;
  --txt-2:#B6B0D6;
  --txt-3:#7C7699;
  --r-card:16px;
  --r-lg:24px;
  --r-btn:10px;
  --shadow-card:0 8px 24px rgba(0,0,0,.35);
  --shadow-hover:0 0 0 1px #17E6C0, 0 10px 30px -10px rgba(23,230,192,.45);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg);
  color:var(--txt);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease-out,opacity .2s ease-out;}
button,input,textarea,select{font:inherit;color:inherit;}
button{cursor:pointer;border:0;background:none;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4,p{margin:0;}
:focus-visible{outline:2px solid var(--main);outline-offset:2px;border-radius:6px;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(11,9,24,.92);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease-out,backdrop-filter .2s ease-out,box-shadow .2s ease-out;
}
.site-header.is-scrolled{
  border-bottom-color:var(--line);
  backdrop-filter:blur(8px);
  box-shadow:0 8px 24px rgba(0,0,0,.35);
}
.nav-inner{display:flex;align-items:center;gap:24px;height:72px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:36px;height:36px;border-radius:11px;
  background:linear-gradient(135deg,rgba(23,230,192,.24),rgba(255,61,127,.2));
  border:1px solid rgba(23,230,192,.5);
  display:flex;align-items:center;justify-content:center;
}
.brand-mark svg{width:20px;height:20px;}
.brand-text{font-size:17px;font-weight:700;letter-spacing:.2px;white-space:nowrap;}
.brand-text span{color:var(--main);}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:12px;}
.nav-links a{
  position:relative;display:inline-block;
  padding:8px 14px;font-size:15px;color:var(--txt-2);
  border-radius:8px;
}
.nav-links a::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--main);border-radius:2px;
  transform:scaleX(0);transform-origin:left;transition:transform .2s ease-out;
}
.nav-links a:hover{color:var(--main);transform:translateY(-1px);}
.nav-links a:hover::after{transform:scaleX(1);}
.nav-links a.active{color:var(--main);font-weight:600;}
.nav-links a.active::after{transform:scaleX(1);}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:12px;}
.count-pill{
  display:flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:999px;
  border:1px solid var(--line);background:var(--bg-3);
  font-size:13px;color:var(--txt-2);white-space:nowrap;
}
.count-pill b{color:var(--amber);font-weight:700;letter-spacing:.5px;}
.status-tag{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;font-size:12px;
  color:var(--main);background:rgba(23,230,192,.12);
  border:1px solid rgba(23,230,192,.35);white-space:nowrap;
}
.status-tag i{width:6px;height:6px;border-radius:50%;background:var(--main);box-shadow:0 0 0 3px rgba(23,230,192,.18);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;
  transition:transform .18s ease-out,background-color .18s ease-out,box-shadow .18s ease-out,color .18s ease-out,border-color .18s ease-out;
  white-space:nowrap;
}
.btn-primary{background:var(--main);color:#08131A;box-shadow:0 8px 20px -8px rgba(23,230,192,.6);}
.btn-primary:hover{background:#3DF0D0;transform:translateY(-2px);box-shadow:0 12px 26px -8px rgba(23,230,192,.7);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{border:1px solid var(--main);color:var(--main);background:transparent;}
.btn-ghost:hover{background:rgba(23,230,192,.1);transform:translateY(-2px);}
.btn-ghost:active{transform:translateY(0);}
.btn-quiet{border:1px solid var(--line);color:var(--txt-2);background:transparent;}
.btn-quiet:hover{color:var(--main);border-color:var(--main);}
.btn-sm{padding:9px 18px;font-size:14px;}
.burger{
  display:none;width:44px;height:44px;border-radius:10px;
  border:1px solid var(--line);align-items:center;justify-content:center;
}
.burger span{display:block;width:18px;height:2px;background:var(--txt);border-radius:2px;position:relative;}
.burger span::before,.burger span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--txt);border-radius:2px;}
.burger span::before{top:-6px;}
.burger span::after{top:6px;}

.drawer{
  position:fixed;inset:0;z-index:120;background:rgba(11,9,24,.98);
  display:none;flex-direction:column;padding:20px;
}
.drawer.open{display:flex;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{width:44px;height:44px;border-radius:10px;border:1px solid var(--line);font-size:20px;color:var(--txt-2);}
.drawer nav{margin-top:28px;display:flex;flex-direction:column;gap:4px;}
.drawer nav a{
  padding:14px 12px;border-radius:12px;font-size:17px;color:var(--txt-2);
  border-bottom:1px solid var(--line);
}
.drawer nav a.active,.drawer nav a:hover{color:var(--main);background:rgba(23,230,192,.07);}
.drawer-foot{margin-top:auto;display:flex;flex-direction:column;gap:12px;font-size:13px;color:var(--txt-3);}

/* ---------- 通用区块 ---------- */
.section{padding:88px 0;}
.section-tight{padding:64px 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.sec-head h2{font-size:clamp(1.5rem,2.6vw,2.25rem);font-weight:700;line-height:1.3;letter-spacing:-.01em;}
.sec-head p{margin-top:10px;color:var(--txt-2);font-size:15px;max-width:640px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12px;letter-spacing:.08em;text-transform:uppercase;
  color:var(--main);padding:5px 12px;border-radius:999px;
  background:rgba(23,230,192,.1);border:1px solid rgba(23,230,192,.3);
  margin-bottom:16px;
}
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:999px;font-size:12px;font-weight:600;
}
.badge-main{color:var(--main);background:rgba(23,230,192,.12);border:1px solid rgba(23,230,192,.4);}
.badge-hot{color:var(--hot);background:rgba(255,61,127,.12);border:1px solid rgba(255,61,127,.4);}
.badge-amber{color:var(--amber);background:rgba(255,176,32,.12);border:1px solid rgba(255,176,32,.4);}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  padding:72px 0 56px;
  background:
    radial-gradient(900px 420px at 78% -10%, rgba(23,230,192,.14), transparent 62%),
    radial-gradient(700px 380px at 8% 8%, rgba(255,61,127,.1), transparent 66%),
    var(--bg);
}
.hero::before{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.07;
  background-image:
    repeating-linear-gradient(0deg, rgba(242,240,255,.7) 0 1px, transparent 1px 44px),
    repeating-linear-gradient(90deg, rgba(242,240,255,.7) 0 1px, transparent 1px 44px);
}
.hero::after{
  content:"";position:absolute;left:0;right:0;top:38%;height:1px;pointer-events:none;
  background:linear-gradient(90deg,transparent,rgba(23,230,192,.45),transparent);
  opacity:.55;
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.08fr .92fr;gap:56px;align-items:center;}
.hero h1{
  font-size:clamp(2rem,4.2vw,3.5rem);
  font-weight:800;line-height:1.18;letter-spacing:-.01em;
}
.hero h1 em{font-style:normal;color:var(--main);}
.hero-sub{margin-top:20px;color:var(--txt-2);font-size:17px;line-height:1.8;max-width:560px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px;}
.hero-metrics{
  margin-top:44px;display:flex;flex-wrap:wrap;gap:10px;
  padding:16px 18px;border-radius:var(--r-card);
  border:1px solid var(--line);background:rgba(28,23,56,.6);
}
.metric-chip{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--txt-2);padding-right:16px;}
.metric-chip:not(:last-child){border-right:1px solid var(--line);}
.metric-chip b{color:var(--txt);font-weight:600;}
.metric-dot{width:7px;height:7px;border-radius:50%;background:var(--main);}
.metric-dot.hot{background:var(--hot);}
.metric-dot.amber{background:var(--amber);}

.hero-visual{position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);box-shadow:var(--shadow-card);}
.hero-visual img{width:100%;height:420px;object-fit:cover;}
.hero-visual::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,9,24,.08) 0%,rgba(11,9,24,.82) 100%);
}
.hero-tags{position:absolute;z-index:3;left:20px;top:20px;display:flex;flex-direction:column;gap:10px;align-items:flex-start;}
.hero-caption{
  position:absolute;z-index:3;left:20px;right:20px;bottom:20px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.hero-caption strong{font-size:16px;font-weight:600;}
.hero-caption span{font-size:13px;color:var(--txt-2);}
.countdown-mini{display:flex;align-items:center;gap:6px;font-size:13px;color:var(--amber);}
.countdown-mini b{font-variant-numeric:tabular-nums;}

/* ---------- 权益对比表 ---------- */
.table-wrap{
  overflow-x:auto;border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--bg-2);box-shadow:var(--shadow-card);
}
table.compare{width:100%;border-collapse:separate;border-spacing:0;min-width:760px;}
table.compare th,table.compare td{
  padding:18px 22px;text-align:left;font-size:14.5px;
  border-bottom:1px solid var(--line);
}
table.compare thead th{
  font-size:15px;font-weight:700;color:var(--txt);
  background:var(--bg-3);position:relative;
}
table.compare thead th .tier-note{display:block;font-size:12px;font-weight:500;color:var(--txt-3);margin-top:4px;}
table.compare thead th.reco{
  background:linear-gradient(180deg,rgba(23,230,192,.16),rgba(28,23,56,1));
  box-shadow:inset 0 0 0 1px rgba(23,230,192,.55);
}
table.compare thead th.reco .reco-tag{
  position:absolute;top:-11px;right:16px;
  background:var(--hot);color:#16060E;font-size:11px;font-weight:700;
  padding:3px 10px;border-radius:999px;
}
table.compare tbody th{
  font-weight:600;color:var(--txt-2);font-size:14px;
  background:var(--bg-2);position:sticky;left:0;z-index:2;
  box-shadow:1px 0 0 var(--line);
}
table.compare td{color:var(--txt-2);}
table.compare td strong{color:var(--txt);font-weight:600;}
table.compare tbody tr:hover td,table.compare tbody tr:hover th{background:rgba(23,230,192,.05);}
table.compare tbody tr:last-child th,table.compare tbody tr:last-child td{border-bottom:0;}
.table-foot{margin-top:16px;font-size:13px;color:var(--txt-3);}

/* ---------- 等级亮点卡 ---------- */
.tier-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;align-items:end;}
.tier-card{
  border:1px solid var(--line);border-radius:var(--r-card);background:var(--bg-3);
  padding:24px;box-shadow:var(--shadow-card);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
}
.tier-card:hover{transform:translateY(-2px);border-color:var(--main);box-shadow:var(--shadow-hover);}
.tier-card.feature{padding:32px 24px 34px;border-color:rgba(23,230,192,.45);background:linear-gradient(180deg,rgba(23,230,192,.09),var(--bg-3));}
.tier-icon{
  width:46px;height:46px;border-radius:13px;display:flex;align-items:center;justify-content:center;
  background:rgba(23,230,192,.12);border:1px solid rgba(23,230,192,.35);margin-bottom:18px;
}
.tier-card:nth-child(2) .tier-icon{background:rgba(255,61,127,.12);border-color:rgba(255,61,127,.35);}
.tier-card:nth-child(3) .tier-icon{background:rgba(255,176,32,.12);border-color:rgba(255,176,32,.35);}
.tier-icon svg{width:22px;height:22px;}
.tier-card h3{font-size:17px;font-weight:600;margin-bottom:10px;}
.tier-card p{font-size:14px;color:var(--txt-2);line-height:1.75;}
.tier-list{margin-top:16px;display:flex;flex-direction:column;gap:9px;}
.tier-list li{position:relative;padding-left:18px;font-size:13.5px;color:var(--txt-2);}
.tier-list li::before{content:"";position:absolute;left:0;top:9px;width:7px;height:7px;border-radius:2px;background:var(--main);}

/* ---------- 专属内容 ---------- */
.content-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.content-grid .wide{grid-column:span 2;}
.content-card{
  position:relative;border:1px solid var(--line);border-radius:var(--r-card);
  background:var(--bg-3);overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .2s ease-out,box-shadow .2s ease-out,border-color .2s ease-out;
  display:flex;flex-direction:column;
}
.content-card:hover{transform:translateY(-2px);border-color:var(--main);box-shadow:var(--shadow-hover);}
.content-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-2);}
.content-card.wide .content-thumb{aspect-ratio:16/7;}
.content-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .3s ease-out;}
.content-card:hover .content-thumb img{transform:scale(1.04);}
.thumb-badge{position:absolute;left:12px;top:12px;}
.content-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1;}
.content-body h3{font-size:16.5px;font-weight:600;line-height:1.45;}
.content-body p{font-size:14px;color:var(--txt-2);}
.content-meta{display:flex;align-items:center;gap:12px;margin-top:auto;font-size:12.5px;color:var(--txt-3);}

/* ---------- 最新信息（CMS 列表） ---------- */
.post-list{display:flex;flex-direction:column;gap:0;border:1px solid var(--line);border-radius:var(--r-card);overflow:hidden;background:var(--bg-2);box-shadow:var(--shadow-card);}
.post-item{
  display:grid;grid-template-columns:220px 1fr auto;gap:24px;align-items:center;
  padding:20px 24px;border-bottom:1px solid var(--line);position:relative;
  transition:background-color .2s ease-out;
}
.post-item:last-child{border-bottom:0;}
.post-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:2px;background:var(--main);
  transform:scaleY(0);transform-origin:top;transition:transform .2s ease-out;
}
.post-item:hover{background:rgba(23,230,192,.05);}
.post-item:hover::before{transform:scaleY(1);}
.post-thumb{aspect-ratio:16/10;border-radius:12px;overflow:hidden;background:var(--bg-3);border:1px solid var(--line);}
.post-thumb img{width:100%;height:100%;object-fit:cover;}
.post-main h3{font-size:17px;font-weight:600;line-height:1.5;margin-bottom:8px;}
.post-main h3 a:hover{color:var(--main);}
.post-main p{
  font-size:14px;color:var(--txt-2);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{display:flex;align-items:center;gap:10px;margin-top:12px;font-size:12.5px;color:var(--txt-3);flex-wrap:wrap;}
.post-meta .sep{width:1px;height:11px;background:var(--line);}
.post-action{display:flex;flex-direction:column;align-items:flex-end;gap:10px;}
.empty-state{
  padding:56px 24px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:16px;
}
.empty-state p{color:var(--txt-2);font-size:15px;}

/* ---------- 服务保障 ---------- */
.assure-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.assure-card{
  border:1px solid var(--line);border-radius:var(--r-card);background:var(--bg-2);
  padding:26px;transition:border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.assure-card:hover{border-color:rgba(23,230,192,.5);transform:translateY(-2px);box-shadow:var(--shadow-hover);}
.assure-card h3{font-size:17px;font-weight:600;margin:16px 0 10px;}
.assure-card p{font-size:14px;color:var(--txt-2);}
.assure-icon{width:42px;height:42px;border-radius:12px;display:flex;align-items:center;justify-content:center;background:rgba(23,230,192,.12);border:1px solid rgba(23,230,192,.32);}
.assure-card:nth-child(2) .assure-icon{background:rgba(255,61,127,.12);border-color:rgba(255,61,127,.32);}
.assure-card:nth-child(3) .assure-icon{background:rgba(255,176,32,.12);border-color:rgba(255,176,32,.32);}
.assure-icon svg{width:20px;height:20px;}

/* ---------- FAQ ---------- */
.faq-wrap{max-width:800px;margin:0 auto;display:flex;flex-direction:column;gap:12px;}
.faq-item{border:1px solid var(--line);border-radius:var(--r-card);background:var(--bg-2);overflow:hidden;transition:border-color .2s ease-out;}
.faq-item.open{border-color:rgba(23,230,192,.5);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 22px;text-align:left;font-size:15.5px;font-weight:600;color:var(--txt);
}
.faq-q:hover{color:var(--main);}
.faq-icon{
  flex-shrink:0;width:26px;height:26px;border-radius:50%;
  border:1px solid var(--line);display:flex;align-items:center;justify-content:center;
  color:var(--txt-2);transition:transform .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.faq-item.open .faq-icon{transform:rotate(180deg);color:var(--main);border-color:var(--main);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .24s ease-out;}
.faq-a-inner{padding:0 22px 22px;font-size:14.5px;color:var(--txt-2);line-height:1.85;}

/* ---------- 收尾 CTA ---------- */
.final-cta{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  border:1px solid rgba(23,230,192,.32);
  background:linear-gradient(120deg,rgba(23,230,192,.18),rgba(255,61,127,.12) 55%,rgba(28,23,56,.9));
  padding:56px 48px;
}
.final-cta::before{
  content:"";position:absolute;inset:0;opacity:.06;pointer-events:none;
  background-image:repeating-linear-gradient(90deg,rgba(242,240,255,.8) 0 1px,transparent 1px 36px);
}
.final-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.4fr .9fr;gap:40px;align-items:center;}
.final-cta h2{font-size:clamp(1.5rem,2.6vw,2.25rem);font-weight:700;line-height:1.3;}
.final-cta p{margin-top:14px;color:var(--txt-2);font-size:15.5px;max-width:560px;}
.final-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.guarantee{display:flex;flex-wrap:wrap;gap:18px;margin-top:24px;font-size:13px;color:var(--txt-2);}
.guarantee span{display:inline-flex;align-items:center;gap:7px;}
.guarantee i{width:6px;height:6px;border-radius:50%;background:var(--main);}
.cta-panel{
  border:1px solid var(--line);border-radius:var(--r-card);background:rgba(11,9,24,.55);
  padding:24px;display:flex;flex-direction:column;gap:14px;
}
.cta-panel .row{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:14px;color:var(--txt-2);}
.cta-panel .row b{color:var(--txt);}
.countdown-box{display:flex;gap:8px;margin-top:4px;}
.countdown-box span{
  flex:1;text-align:center;padding:10px 6px;border-radius:10px;
  background:var(--bg-3);border:1px solid var(--line);
  font-size:19px;font-weight:700;color:var(--amber);font-variant-numeric:tabular-nums;
}
.countdown-box small{display:block;font-size:11px;color:var(--txt-3);font-weight:500;margin-top:2px;}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--bg-2);padding:64px 0 28px;margin-top:8px;}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:40px;}
.foot-brand p{margin-top:16px;font-size:14px;color:var(--txt-2);max-width:320px;line-height:1.8;}
.foot-col h4{font-size:14px;font-weight:600;color:var(--txt);margin-bottom:16px;letter-spacing:.02em;}
.foot-col ul{display:flex;flex-direction:column;gap:11px;}
.foot-col a,.foot-col li{font-size:14px;color:var(--txt-2);}
.foot-col a:hover{color:var(--main);}
.foot-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:var(--txt-3);
}
.foot-bottom .domain{color:var(--txt-3);}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .container{padding:0 24px;}
  .section{padding:72px 0;}
  .nav-links{gap:0;margin-left:4px;}
  .nav-links a{padding:8px 10px;font-size:14px;}
  .count-pill{display:none;}
  .hero-grid{grid-template-columns:1fr;gap:40px;}
  .hero-visual img{height:340px;}
  .tier-grid{grid-template-columns:repeat(2,1fr);align-items:stretch;}
  .content-grid{grid-template-columns:repeat(2,1fr);}
  .content-grid .wide{grid-column:span 2;}
  .post-item{grid-template-columns:180px 1fr;gap:20px;}
  .post-action{display:none;}
  .final-inner{grid-template-columns:1fr;gap:32px;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
}
@media (max-width:768px){
  .container{padding:0 16px;}
  .section{padding:56px 0;}
  .nav-links,.status-tag{display:none;}
  .burger{display:flex;}
  .nav-inner{height:64px;}
  .hero{padding:48px 0 40px;}
  .hero-sub{font-size:15.5px;}
  .hero-visual img{height:260px;}
  .hero-metrics{padding:14px;}
  .metric-chip{padding-right:12px;font-size:12.5px;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:14px;}
  .tier-grid{grid-template-columns:1fr;}
  .content-grid{grid-template-columns:1fr;}
  .content-grid .wide{grid-column:span 1;}
  .assure-grid{grid-template-columns:1fr;}
  .post-item{grid-template-columns:1fr;gap:14px;}
  .post-thumb{aspect-ratio:16/9;}
  .table-wrap{border-radius:14px;}
  table.compare th,table.compare td{padding:14px 16px;font-size:13.5px;}
  .final-cta{padding:36px 22px;}
  .foot-grid{grid-template-columns:1fr;}
  .foot-bottom{flex-direction:column;align-items:flex-start;}
  body{font-size:15px;}
}
@media (max-width:520px){
  .hero h1{font-size:1.85rem;}
  .hero-actions .btn{width:100%;}
  .countdown-box span{font-size:17px;}
}

/* roulang page: article */
:root{
  --brand:#17E6C0;
  --brand-2:#FF3D7F;
  --limit:#FFB020;
  --bg:#0B0918;
  --bg-2:#141029;
  --surface:#1C1738;
  --line:#2A2450;
  --text:#F2F0FF;
  --text-2:#B6B0D6;
  --text-3:#7C7699;
  --text-body:#CFCAE8;
  --error:#FF5470;
  --r-card:16px;
  --r-lg:24px;
  --r-btn:10px;
  --shadow-card:0 8px 24px rgba(0,0,0,.35);
  --shadow-hover:0 0 0 1px #17E6C0, 0 10px 30px -10px rgba(23,230,192,.45);
  --ease:200ms ease-out;
}
*,*::before,*::after{ box-sizing:border-box; }
html{ scroll-behavior:smooth; -webkit-text-size-adjust:100%; }
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
body a{ color:var(--brand); text-decoration:none; transition:color var(--ease),border-color var(--ease),background var(--ease); }
body a:hover{ color:#5CF5D8; }
body img{ max-width:100%; height:auto; display:block; }
body button{ font:inherit; color:inherit; background:none; border:0; cursor:pointer; }
:focus-visible{ outline:2px solid var(--brand); outline-offset:2px; }
::selection{ background:rgba(23,230,192,.28); color:#fff; }
.num{ font-variant-numeric:tabular-nums; }

.container{ width:100%; max-width:1200px; margin:0 auto; padding:0 32px; }
.page-glow{
  position:fixed; top:0; left:50%; transform:translateX(-50%);
  width:min(1100px,120vw); height:420px; z-index:0; pointer-events:none;
  background:radial-gradient(60% 100% at 50% 0%, rgba(23,230,192,.14), rgba(23,230,192,0) 70%);
}
main, .site-footer{ position:relative; z-index:1; }

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky; top:0; z-index:60;
  background:rgba(11,9,24,.9);
  border-bottom:1px solid transparent;
  transition:background var(--ease),border-color var(--ease),backdrop-filter var(--ease);
}
.site-header.is-scrolled{
  background:rgba(11,9,24,.96);
  border-bottom-color:var(--line);
  backdrop-filter:blur(8px);
}
.nav-inner{ display:flex; align-items:center; gap:26px; height:74px; }
.brand{ display:inline-flex; align-items:center; gap:10px; color:var(--text) !important; font-weight:700; }
.brand-mark{
  width:34px; height:34px; flex:0 0 34px; display:grid; place-items:center;
  border-radius:10px; border:1px solid var(--line);
  background:linear-gradient(150deg, rgba(23,230,192,.18), rgba(255,61,127,.08));
}
.brand-mark svg{ width:20px; height:20px; }
.brand-text{ font-size:17px; letter-spacing:-.01em; white-space:nowrap; }
.brand-text span{ color:var(--brand); }
.nav-links{ display:flex; align-items:center; gap:4px; }
.nav-links a{
  position:relative; padding:9px 12px; border-radius:8px;
  font-size:14.5px; color:var(--text-2) !important;
}
.nav-links a:hover{ color:var(--brand) !important; transform:translateY(-1px); }
.nav-links a.active{ color:var(--brand) !important; }
.nav-links a.active::after{
  content:""; position:absolute; left:12px; right:12px; bottom:2px;
  height:2px; border-radius:2px; background:var(--brand);
}
.nav-right{ margin-left:auto; display:flex; align-items:center; gap:12px; }
.count-pill{
  display:inline-flex; align-items:center; gap:8px; padding:6px 12px;
  border:1px solid var(--line); border-radius:999px; background:var(--surface);
  font-size:12px; color:var(--text-3); white-space:nowrap;
}
.count-pill b{ color:var(--limit); font-size:13px; letter-spacing:.02em; }
.status-tag{
  display:inline-flex; align-items:center; gap:7px; padding:5px 12px; border-radius:999px;
  font-size:12px; color:var(--brand); background:rgba(23,230,192,.12);
  border:1px solid rgba(23,230,192,.35); white-space:nowrap;
}
.status-tag i{
  width:6px; height:6px; border-radius:50%; background:var(--brand);
  animation:pulse 2.4s infinite;
}
@keyframes pulse{
  0%{ box-shadow:0 0 0 0 rgba(23,230,192,.55); }
  70%{ box-shadow:0 0 0 8px rgba(23,230,192,0); }
  100%{ box-shadow:0 0 0 0 rgba(23,230,192,0); }
}
.btn{
  display:inline-flex; align-items:center; justify-content:center; gap:8px;
  padding:11px 20px; border-radius:var(--r-btn); border:1px solid transparent;
  font-size:14.5px; font-weight:600; cursor:pointer;
  transition:transform var(--ease),background var(--ease),border-color var(--ease),color var(--ease),box-shadow var(--ease);
}
.btn-primary{ background:var(--brand); color:#04231C !important; box-shadow:0 8px 22px -12px rgba(23,230,192,.9); }
.btn-primary:hover{ background:#4CF0D2; color:#04231C !important; transform:translateY(-2px); }
.btn-primary:active{ transform:translateY(0); }
.btn-outline{ border-color:rgba(23,230,192,.5); color:var(--brand) !important; background:rgba(23,230,192,.08); }
.btn-outline:hover{ background:rgba(23,230,192,.16); transform:translateY(-2px); }
.btn-ghost{ border-color:var(--line); color:var(--text-2) !important; background:transparent; }
.btn-ghost:hover{ border-color:var(--brand); color:var(--brand) !important; transform:translateY(-2px); }
.btn-sm{ padding:8px 16px; font-size:13.5px; }
.burger{
  display:none; position:relative; width:44px; height:44px;
  border-radius:10px; border:1px solid var(--line); background:var(--surface);
}
.burger span{ position:absolute; left:12px; right:12px; top:21px; height:2px; background:var(--text); border-radius:2px; transition:transform var(--ease),opacity var(--ease); }
.burger span::before,.burger span::after{ content:""; position:absolute; left:0; right:0; height:2px; background:var(--text); border-radius:2px; transition:transform var(--ease),opacity var(--ease); }
.burger span::before{ top:-6px; }
.burger span::after{ top:6px; }
.burger.is-open span{ background:transparent; }
.burger.is-open span::before{ transform:translateY(6px) rotate(45deg); }
.burger.is-open span::after{ transform:translateY(-6px) rotate(-45deg); }

/* ===== 移动端抽屉 ===== */
.mobile-drawer{
  position:fixed; inset:0; z-index:80; display:flex; flex-direction:column;
  padding:20px; background:rgba(11,9,24,.985);
  opacity:0; visibility:hidden; transform:translateY(-10px);
  transition:opacity var(--ease),transform var(--ease),visibility var(--ease);
}
.mobile-drawer.open{ opacity:1; visibility:visible; transform:none; }
.drawer-head{ display:flex; align-items:center; justify-content:space-between; }
.drawer-close{
  width:44px; height:44px; border-radius:10px; border:1px solid var(--line);
  background:var(--surface); color:var(--text-2); font-size:20px; line-height:1;
}
.drawer-links{ display:flex; flex-direction:column; gap:8px; margin:26px 0; }
.drawer-links a{
  padding:14px 16px; border-radius:12px; border:1px solid var(--line);
  background:var(--surface); color:var(--text-2) !important; font-size:15px;
}
.drawer-links a.active{ color:var(--brand) !important; border-color:rgba(23,230,192,.45); }
.drawer-foot{ margin-top:auto; display:grid; gap:12px; }
.drawer-foot small{ color:var(--text-3); font-size:12px; }

/* ===== 面包屑 ===== */
.crumbs{ padding-top:24px; padding-bottom:32px; font-size:13px; color:var(--text-3); }
.crumbs ol{ display:flex; flex-wrap:wrap; align-items:center; gap:8px; list-style:none; margin:0; padding:0; }
.crumbs a{ color:var(--text-2) !important; }
.crumbs a:hover{ color:var(--brand) !important; }
.crumbs .sep{ color:#4A4470; }
.crumbs .current{ color:var(--text-3); max-width:60ch; overflow:hidden; text-overflow:ellipsis; white-space:nowrap; }

/* ===== 文章标题区 ===== */
.article-head{ padding-bottom:26px; border-bottom:1px solid var(--line); }
.article-head h1{
  margin:0 0 18px; font-size:clamp(1.7rem,3.4vw,2.6rem);
  line-height:1.32; font-weight:800; letter-spacing:-.01em; color:var(--text);
}
.article-meta{ display:flex; flex-wrap:wrap; align-items:center; gap:10px; font-size:13px; color:var(--text-3); }
.article-meta .dot{ color:#4A4470; }
.tag{
  display:inline-flex; align-items:center; height:26px; padding:0 12px; border-radius:999px;
  font-size:12px; color:var(--brand); background:rgba(23,230,192,.12);
  border:1px solid rgba(23,230,192,.32);
}

/* ===== 文章布局 ===== */
.article-layout{
  display:grid; grid-template-columns:minmax(0,1fr); gap:44px;
  padding:40px 0 72px;
}
@media (min-width:1024px){
  .article-layout{ grid-template-columns:minmax(0,1fr) 320px; gap:56px; }
}

/* ===== 正文排版 ===== */
.article-body{ max-width:820px; width:100%; }
.article-content{ font-size:16px; line-height:1.85; color:var(--text-body); }
.article-content > * + *{ margin-top:1.2em; }
.article-content p{ margin:0; }
.article-content h2{
  margin:2em 0 .8em; padding-left:14px; border-left:4px solid var(--brand);
  font-size:clamp(1.28rem,2.2vw,1.6rem); font-weight:700; line-height:1.42; color:var(--text);
}
.article-content h3{
  margin:1.6em 0 .6em; font-size:1.14rem; font-weight:600; color:var(--text);
}
.article-content h4{ margin:1.4em 0 .5em; font-size:1rem; font-weight:600; color:var(--text); }
.article-content ul,.article-content ol{ padding-left:1.3em; }
.article-content li{ margin:.42em 0; }
.article-content li::marker{ color:var(--brand); }
.article-content blockquote{
  margin:1.4em 0; padding:14px 18px; border-left:3px solid var(--brand);
  background:var(--bg-2); border-radius:0 12px 12px 0; color:var(--text-2);
}
.article-content img{ margin:1.4em 0; border-radius:12px; }
.article-content a{ color:var(--brand) !important; text-decoration:underline; text-decoration-thickness:1px; text-underline-offset:3px; }
.article-content strong{ color:var(--text); }
.article-content hr{ border:0; border-top:1px solid var(--line); margin:2em 0; }
.article-content pre{
  background:#100E22; border:1px solid var(--line); border-radius:12px;
  padding:16px; overflow:auto; font-size:14px; line-height:1.7;
}
.article-content code{
  background:rgba(23,230,192,.1); color:#8CF3DF;
  padding:2px 6px; border-radius:6px; font-size:.92em;
}
.article-content pre code{ background:none; padding:0; color:#CFCAE8; }
.article-content table{
  width:100%; border-collapse:collapse; display:block; overflow-x:auto;
  border-radius:12px;
}
.article-content th,.article-content td{
  border:1px solid var(--line); padding:10px 14px; font-size:14.5px; text-align:left;
}
.article-content th{ background:var(--bg-2); color:var(--text); }
.article-content td{ color:var(--text-2); }

/* ===== 空态 ===== */
.empty-state{
  padding:56px 32px; text-align:center;
  border:1px solid var(--line); border-radius:var(--r-lg); background:var(--surface);
  box-shadow:var(--shadow-card);
}
.empty-state .empty-icon{
  width:64px; height:64px; margin:0 auto 20px; display:grid; place-items:center;
  border-radius:18px; border:1px solid rgba(23,230,192,.35);
  background:rgba(23,230,192,.1); color:var(--brand);
}
.empty-state h3{ margin:0 0 10px; font-size:1.2rem; color:var(--text); }
.empty-state p{ margin:0 auto 24px; max-width:44ch; font-size:14.5px; color:var(--text-3); }

/* ===== 文末操作 ===== */
.article-foot{
  margin-top:48px; padding-top:28px; border-top:1px solid var(--line);
  display:flex; flex-wrap:wrap; gap:14px;
}

/* ===== 侧栏 ===== */
.article-aside{ display:none; }
@media (min-width:1024px){
  .article-aside{ display:block; }
  .aside-sticky{ position:sticky; top:98px; }
}
.side-card{
  background:var(--surface); border:1px solid var(--line); border-radius:var(--r-card);
  padding:22px; box-shadow:var(--shadow-card);
}
.side-card + .side-card{ margin-top:20px; }
.side-title{
  margin:0 0 14px; font-size:14px; font-weight:600; color:var(--text);
  letter-spacing:.02em; display:flex; align-items:center; gap:8px;
}
.side-title::before{ content:""; width:6px; height:6px; border-radius:50%; background:var(--brand); }
.side-links{ list-style:none; margin:0; padding:0; }
.side-links li + li{ border-top:1px solid var(--line); }
.side-links a{
  display:flex; align-items:center; justify-content:space-between; gap:10px;
  padding:11px 0; font-size:14px; color:var(--text-2) !important;
}
.side-links a:hover{ color:var(--brand) !important; }
.side-links a span{ color:var(--text-3); font-size:13px; }
.tag-cloud{ display:flex; flex-wrap:wrap; gap:8px; }
.tag-soft{
  display:inline-flex; align-items:center; height:26px; padding:0 12px; border-radius:999px;
  font-size:12px; color:#FFB7D1; background:rgba(255,61,127,.12);
  border:1px solid rgba(255,61,127,.3);
}
.side-note{ margin:0; font-size:13.5px; line-height:1.8; color:var(--text-3); }

/* ===== 通用板块 ===== */
.section{ padding:56px 0; }
.section-head{
  display:flex; align-items:flex-end; justify-content:space-between;
  gap:16px; margin-bottom:26px; flex-wrap:wrap;
}
.section-head h2{
  margin:0; font-size:clamp(1.35rem,2.4vw,1.9rem); font-weight:700; letter-spacing:-.01em;
}
.section-head .more{ font-size:14px; color:var(--text-2) !important; }
.section-head .more:hover{ color:var(--brand) !important; }

/* ===== 推荐列表 ===== */
.rec-list{ display:grid; gap:16px; }
.rec-item{
  display:grid; grid-template-columns:140px minmax(0,1fr); gap:18px; align-items:center;
  padding:14px; border:1px solid var(--line); border-radius:var(--r-card);
  background:var(--surface); box-shadow:var(--shadow-card);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.rec-item:hover{ transform:translateY(-2px); box-shadow:var(--shadow-hover); border-color:rgba(23,230,192,.5); }
.rec-thumb{
  aspect-ratio:16/10; border-radius:12px; overflow:hidden; background:var(--bg-2);
}
.rec-thumb img{ width:100%; height:100%; object-fit:cover; }
.rec-body h3{ margin:0 0 8px; font-size:16.5px; font-weight:600; color:var(--text); line-height:1.5; }
.rec-body p{ margin:0 0 10px; font-size:13.8px; color:var(--text-3); line-height:1.7; }
.rec-info{ display:flex; flex-wrap:wrap; align-items:center; gap:10px; font-size:12.5px; color:var(--text-3); }
.rec-info .dot{ color:#4A4470; }

/* ===== 收尾 CTA ===== */
.cta-band{
  position:relative; overflow:hidden; border-radius:var(--r-lg);
  border:1px solid var(--line); padding:48px 40px;
  background:linear-gradient(120deg, rgba(23,230,192,.16), rgba(255,61,127,.1) 65%, rgba(23,230,192,.05));
}
.cta-band::after{
  content:""; position:absolute; inset:0; pointer-events:none;
  background-image:repeating-linear-gradient(0deg, rgba(255,255,255,.045) 0 1px, transparent 1px 42px),
                   repeating-linear-gradient(90deg, rgba(255,255,255,.045) 0 1px, transparent 1px 42px);
}
.cta-inner{ position:relative; z-index:1; max-width:720px; }
.cta-inner h2{ margin:0 0 12px; font-size:clamp(1.4rem,2.6vw,2.1rem); font-weight:700; }
.cta-inner p{ margin:0 0 24px; color:var(--text-2); font-size:15px; line-height:1.8; }
.cta-actions{ display:flex; flex-wrap:wrap; gap:14px; align-items:center; }
.cta-badge{
  display:inline-flex; align-items:center; gap:8px; height:28px; padding:0 14px; border-radius:999px;
  font-size:12.5px; color:var(--limit); background:rgba(255,176,32,.12);
  border:1px solid rgba(255,176,32,.35);
}
.cta-points{
  position:relative; z-index:1; display:flex; flex-wrap:wrap; gap:22px;
  margin-top:28px; padding-top:22px; border-top:1px solid rgba(42,36,80,.9);
}
.cta-points span{ display:inline-flex; align-items:center; gap:8px; font-size:13.5px; color:var(--text-2); }
.cta-points svg{ width:16px; height:16px; flex:0 0 16px; color:var(--brand); }

/* ===== 页脚 ===== */
.site-footer{
  margin-top:80px; padding:56px 0 28px;
  border-top:1px solid var(--line); background:var(--bg-2);
}
.foot-grid{ display:grid; grid-template-columns:1.6fr 1fr 1fr 1.2fr; gap:36px; }
.foot-brand p{
  margin:16px 0 0; max-width:36ch; font-size:14px; line-height:1.85; color:var(--text-3);
}
.foot-col h4{ margin:0 0 14px; font-size:14px; font-weight:600; color:var(--text); }
.foot-col ul{ list-style:none; margin:0; padding:0; display:grid; gap:10px; }
.foot-col li{ font-size:14px; color:var(--text-3); }
.foot-col a{ color:var(--text-3) !important; }
.foot-col a:hover{ color:var(--brand) !important; }
.foot-bottom{
  margin-top:42px; padding-top:22px; border-top:1px solid var(--line);
  display:flex; flex-wrap:wrap; gap:12px; justify-content:space-between;
  font-size:13px; color:var(--text-3);
}
.foot-bottom .domain{ letter-spacing:.04em; }

/* ===== 响应式 ===== */
@media (max-width:1024px){
  .container{ padding:0 24px; }
  .nav-links,.count-pill{ display:none; }
  .burger{ display:block; }
  .foot-grid{ grid-template-columns:1fr 1fr; }
}
@media (max-width:768px){
  .nav-inner{ height:66px; gap:14px; }
  .status-tag{ display:none; }
  .article-layout{ padding:32px 0 56px; gap:32px; }
  .cta-band{ padding:34px 22px; }
  .section{ padding:44px 0; }
  .rec-item{ grid-template-columns:110px minmax(0,1fr); gap:14px; }
}
@media (max-width:640px){
  .container{ padding:0 16px; }
  .article-content{ font-size:15px; }
  .foot-grid{ grid-template-columns:1fr; }
  .rec-item{ grid-template-columns:1fr; }
  .rec-thumb{ aspect-ratio:16/9; }
  .crumbs .current{ white-space:normal; }
}

/* roulang page: category2 */
:root{
  --brand:#17E6C0;
  --brand-soft:rgba(23,230,192,.12);
  --magenta:#FF3D7F;
  --magenta-soft:rgba(255,61,127,.12);
  --amber:#FFB020;
  --bg:#0B0918;
  --surface:#141029;
  --card:#1C1738;
  --border:#2A2450;
  --text:#F2F0FF;
  --text-2:#B6B0D6;
  --text-3:#7C7699;
  --danger:#FF5470;
  --radius-card:16px;
  --radius-lg:24px;
  --radius-btn:10px;
  --shadow-card:0 8px 24px rgba(0,0,0,.35);
  --shadow-hover:0 0 0 1px #17E6C0,0 10px 30px -10px rgba(23,230,192,.45);
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  padding-top:72px;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto;}
a{color:var(--brand);text-decoration:none;transition:color .2s var(--ease);}
a:hover{color:#5ff5da;}
button{font-family:inherit;cursor:pointer;}
ul,ol{margin:0;padding:0;list-style:none;}
h1,h2,h3,h4{margin:0;line-height:1.3;font-weight:700;letter-spacing:-.01em;}
p{margin:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:4px;}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum";}
::selection{background:rgba(23,230,192,.3);color:#fff;}
::-webkit-scrollbar{width:10px;height:10px;}
::-webkit-scrollbar-track{background:var(--surface);}
::-webkit-scrollbar-thumb{background:#332c5e;border-radius:999px;}
::-webkit-scrollbar-thumb:hover{background:#413874;}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
.section{padding:88px 0;}
.section-alt{background:var(--surface);border-top:1px solid var(--border);border-bottom:1px solid var(--border);}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:100;
  background:rgba(11,9,24,.92);
  border-bottom:1px solid transparent;
  transition:border-color .24s var(--ease),backdrop-filter .24s var(--ease);
}
.site-header.scrolled{border-bottom:1px solid var(--border);backdrop-filter:blur(8px);}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:24px;height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);font-weight:800;font-size:17px;letter-spacing:-.01em;}
.brand:hover{color:var(--text);}
.brand-mark{display:inline-flex;align-items:center;justify-content:center;width:34px;height:34px;border-radius:10px;background:var(--brand-soft);border:1px solid rgba(23,230,192,.35);}
.brand-mark svg{width:19px;height:19px;}
.brand-text span{color:var(--brand);}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-links a{
  position:relative;display:inline-block;padding:8px 14px;border-radius:8px;
  color:var(--text-2);font-size:15px;font-weight:500;
  transition:color .2s var(--ease),transform .2s var(--ease);
}
.nav-links a:hover{color:var(--brand);transform:translateY(-1px);}
.nav-links a.active{color:var(--brand);}
.nav-links a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--brand);border-radius:2px;
}
.nav-right{display:flex;align-items:center;gap:12px;}
.count-pill{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 12px;
  border-radius:999px;background:var(--card);border:1px solid var(--border);
  font-size:12px;color:var(--text-3);
}
.count-pill b{color:var(--amber);font-size:13px;letter-spacing:.02em;}
.status-tag{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 11px;
  border-radius:999px;font-size:12px;font-weight:500;
  color:var(--brand);background:var(--brand-soft);border:1px solid rgba(23,230,192,.3);
}
.status-tag i{width:6px;height:6px;border-radius:50%;background:var(--brand);box-shadow:0 0 0 3px rgba(23,230,192,.18);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--radius-btn);
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.btn-sm{height:38px;padding:0 16px;font-size:14px;}
.btn-primary{background:var(--brand);color:#05201b;}
.btn-primary:hover{background:#4ef0d3;transform:translateY(-2px);color:#05201b;box-shadow:0 10px 26px -10px rgba(23,230,192,.6);}
.btn-primary:active{transform:translateY(0);}
.btn-ghost{background:transparent;color:var(--brand);border-color:rgba(23,230,192,.5);}
.btn-ghost:hover{background:var(--brand-soft);transform:translateY(-2px);color:var(--brand);}
.btn-ghost:active{transform:translateY(0);}
.btn-muted{background:var(--card);color:var(--text-2);border-color:var(--border);}
.btn-muted:hover{color:var(--text);border-color:#3b3370;transform:translateY(-2px);}
.btn:disabled{opacity:.5;box-shadow:none;transform:none;cursor:not-allowed;}
.burger{
  display:none;width:44px;height:44px;border-radius:10px;
  background:var(--card);border:1px solid var(--border);position:relative;
}
.burger span,.burger::before,.burger::after{
  content:"";position:absolute;left:12px;right:12px;height:2px;background:var(--text);border-radius:2px;
  transition:transform .2s var(--ease),opacity .2s var(--ease);
}
.burger::before{top:16px;}
.burger span{top:21px;}
.burger::after{top:26px;}

/* ---------- drawer ---------- */
.drawer{
  position:fixed;inset:0;z-index:130;background:var(--bg);
  display:none;flex-direction:column;padding:20px 24px 28px;
}
.drawer.open{display:flex;}
.drawer-top{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{
  width:44px;height:44px;border-radius:10px;background:var(--card);
  border:1px solid var(--border);color:var(--text);font-size:20px;line-height:1;
}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-top:32px;}
.drawer-nav a{
  display:block;padding:14px 4px;font-size:17px;font-weight:600;color:var(--text-2);
  border-bottom:1px solid var(--border);
}
.drawer-nav a.active{color:var(--brand);}
.drawer-cta{margin-top:28px;display:flex;flex-direction:column;gap:12px;}
.drawer-foot{
  margin-top:auto;padding-top:20px;border-top:1px solid var(--border);
  font-size:12px;color:var(--text-3);display:flex;flex-direction:column;gap:6px;
}

/* ---------- hero ---------- */
.page-hero{
  position:relative;overflow:hidden;
  padding:72px 0 84px;
  background:
    radial-gradient(680px 340px at 12% -8%,rgba(23,230,192,.14),transparent 70%),
    repeating-linear-gradient(0deg,rgba(255,255,255,.03) 0 1px,transparent 1px 44px),
    repeating-linear-gradient(90deg,rgba(255,255,255,.03) 0 1px,transparent 1px 44px),
    var(--bg);
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(23,230,192,.5),transparent);
}
.hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;position:relative;z-index:2;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:20px;}
.breadcrumb a{color:var(--text-3);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb span.sep{color:#3d3568;}
.page-hero h1{font-size:clamp(2rem,3.6vw,3rem);font-weight:800;margin-bottom:18px;}
.page-hero h1 em{font-style:normal;color:var(--brand);}
.lead{font-size:16px;color:var(--text-2);line-height:1.85;max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.hero-points{display:flex;flex-wrap:wrap;gap:10px;margin-top:28px;}
.chip{
  display:inline-flex;align-items:center;gap:7px;height:28px;padding:0 12px;
  border-radius:999px;font-size:12px;color:var(--text-2);
  background:var(--card);border:1px solid var(--border);
}
.chip i{width:6px;height:6px;border-radius:50%;background:var(--brand);}
.badge{
  display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;
  border-radius:999px;font-size:12px;font-weight:600;margin-bottom:18px;
}
.badge-brand{color:var(--brand);background:var(--brand-soft);border:1px solid rgba(23,230,192,.32);}
.badge-magenta{color:var(--magenta);background:var(--magenta-soft);border:1px solid rgba(255,61,127,.32);}
.badge-amber{color:var(--amber);background:rgba(255,176,32,.12);border:1px solid rgba(255,176,32,.3);}
.hero-media{position:relative;border-radius:var(--radius-lg);overflow:hidden;border:1px solid var(--border);box-shadow:var(--shadow-card);}
.hero-media img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.hero-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,9,24,.05) 40%,rgba(11,9,24,.72) 100%);
}
.float-tag{
  position:absolute;z-index:3;display:inline-flex;align-items:center;gap:6px;
  height:28px;padding:0 12px;border-radius:999px;font-size:12px;font-weight:600;
  background:rgba(28,23,56,.92);border:1px solid var(--border);color:var(--text-2);
}
.float-tag.t1{top:16px;left:16px;color:var(--brand);border-color:rgba(23,230,192,.4);}
.float-tag.t2{bottom:16px;right:16px;color:var(--magenta);border-color:rgba(255,61,127,.4);}

/* ---------- section head ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;}
.sec-head h2{font-size:clamp(1.5rem,2.4vw,2.125rem);}
.sec-head .sec-sub{margin-top:12px;font-size:15px;color:var(--text-2);max-width:660px;line-height:1.8;}
.sec-link{font-size:14px;font-weight:600;white-space:nowrap;}

/* ---------- compare table ---------- */
.table-wrap{
  border:1px solid var(--border);border-radius:var(--radius-lg);
  background:var(--card);overflow-x:auto;box-shadow:var(--shadow-card);
}
.compare-table{width:100%;min-width:760px;border-collapse:separate;border-spacing:0;font-size:14px;}
.compare-table th,.compare-table td{padding:18px 20px;text-align:left;border-bottom:1px solid var(--border);}
.compare-table thead th{
  position:relative;background:var(--surface);color:var(--text);
  font-size:15px;font-weight:700;border-bottom:1px solid var(--border);
}
.compare-table thead th:first-child{color:var(--text-3);font-weight:500;font-size:13px;}
.compare-table thead th .band{position:absolute;left:0;top:0;right:0;height:3px;border-radius:3px 3px 0 0;}
.band-base{background:#3d3568;}
.band-plus{background:var(--brand);}
.band-pro{background:var(--magenta);}
.col-plus{background:rgba(23,230,192,.05);box-shadow:inset 1px 0 0 rgba(23,230,192,.35),inset -1px 0 0 rgba(23,230,192,.35);}
.recommend-tag{
  position:absolute;top:-11px;right:14px;height:22px;padding:0 10px;border-radius:999px;
  background:var(--magenta);color:#fff;font-size:11px;font-weight:700;
  display:inline-flex;align-items:center;
}
.compare-table tbody th{
  font-weight:500;color:var(--text-2);background:var(--card);
  font-size:14px;
}
.compare-table tbody tr:last-child th,.compare-table tbody tr:last-child td{border-bottom:none;}
.compare-table tbody tr:hover td,.compare-table tbody tr:hover th{background:rgba(42,36,80,.45);}
.compare-table td{color:var(--text-2);}
.compare-table td.strong{color:var(--text);font-weight:600;}
.cell-yes{display:inline-flex;align-items:center;gap:7px;color:var(--brand);}
.cell-yes::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--brand);}
.cell-no{display:inline-flex;align-items:center;gap:7px;color:var(--text-3);}
.cell-no::before{content:"";width:6px;height:6px;border-radius:50%;background:#3d3568;}
.table-note{margin-top:18px;font-size:13px;color:var(--text-3);}

/* ---------- benefit cards ---------- */
.benefit-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.b-card{
  display:flex;gap:20px;padding:24px;border-radius:var(--radius-card);
  background:var(--card);border:1px solid var(--border);
  box-shadow:var(--shadow-card);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.b-card:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(23,230,192,.4);}
.b-card.wide{grid-column:span 2;flex-direction:row;align-items:center;}
.b-card.wide .b-thumb{width:260px;flex:0 0 260px;}
.b-thumb{
  width:112px;flex:0 0 112px;border-radius:12px;overflow:hidden;
  border:1px solid var(--border);background:var(--surface);
}
.b-thumb img{width:100%;height:100%;aspect-ratio:1/1;object-fit:cover;}
.b-card.wide .b-thumb img{aspect-ratio:4/3;}
.b-body h3{font-size:17px;margin-bottom:10px;}
.b-body p{font-size:14px;color:var(--text-2);line-height:1.8;}
.b-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px;}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:999px;
  font-size:12px;color:var(--brand);background:var(--brand-soft);border:1px solid rgba(23,230,192,.28);
}
.tag-magenta{color:var(--magenta);background:var(--magenta-soft);border-color:rgba(255,61,127,.28);}
.tag-plain{color:var(--text-3);background:transparent;border-color:var(--border);}

/* ---------- mid cta ---------- */
.mid-cta{
  border-radius:var(--radius-lg);border:1px solid var(--border);
  background:linear-gradient(120deg,rgba(23,230,192,.14),rgba(255,61,127,.1) 65%,transparent);
  padding:36px 40px;display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.mid-cta h3{font-size:20px;margin-bottom:8px;}
.mid-cta p{font-size:14px;color:var(--text-2);max-width:560px;}
.mid-cta .mid-actions{display:flex;gap:12px;flex-wrap:wrap;}

/* ---------- steps ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;counter-reset:step;}
.step{
  position:relative;padding:26px 22px;border-radius:var(--radius-card);
  background:var(--card);border:1px solid var(--border);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.step:hover{transform:translateY(-2px);box-shadow:var(--shadow-hover);border-color:rgba(23,230,192,.4);}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:34px;height:34px;border-radius:50%;margin-bottom:16px;
  background:var(--brand-soft);border:1px solid rgba(23,230,192,.4);
  color:var(--brand);font-weight:700;font-size:14px;
}
.step h3{font-size:16px;margin-bottom:8px;}
.step p{font-size:13.5px;color:var(--text-2);line-height:1.78;}

/* ---------- faq ---------- */
.faq-list{max-width:820px;margin:0 auto;}
.faq-item{
  border:1px solid var(--border);border-radius:var(--radius-card);
  background:var(--card);margin-bottom:12px;overflow:hidden;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.faq-item.open{border-color:rgba(23,230,192,.45);box-shadow:0 0 0 1px rgba(23,230,192,.25);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:transparent;border:none;color:var(--text);
  font-size:15.5px;font-weight:600;text-align:left;line-height:1.6;
}
.faq-q:hover{color:var(--brand);}
.faq-q .ico{
  flex:0 0 22px;width:22px;height:22px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--border);color:var(--brand);font-size:13px;
  transition:transform .2s var(--ease);
}
.faq-item.open .faq-q .ico{transform:rotate(180deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .28s var(--ease);}
.faq-a p{padding:0 22px 20px;font-size:14.5px;color:var(--text-2);line-height:1.85;}

/* ---------- final cta ---------- */
.final-cta{
  position:relative;overflow:hidden;
  border-radius:var(--radius-lg);border:1px solid rgba(23,230,192,.3);
  background:
    radial-gradient(520px 220px at 85% 0%,rgba(255,61,127,.16),transparent 70%),
    linear-gradient(120deg,rgba(23,230,192,.18),rgba(20,16,41,.9));
  padding:48px 44px;
}
.final-cta h2{font-size:clamp(1.5rem,2.4vw,2rem);margin-bottom:14px;}
.final-cta p{font-size:15px;color:var(--text-2);max-width:640px;line-height:1.85;}
.final-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.guarantee{display:flex;flex-wrap:wrap;gap:22px;margin-top:30px;padding-top:24px;border-top:1px solid var(--border);}
.guarantee span{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--text-3);}
.guarantee span i{width:6px;height:6px;border-radius:50%;background:var(--brand);}

/* ---------- footer ---------- */
.site-footer{background:var(--surface);border-top:1px solid var(--border);padding:64px 0 0;margin-top:8px;}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px;padding-bottom:48px;}
.foot-brand .brand{margin-bottom:18px;}
.foot-brand p{font-size:13.5px;color:var(--text-2);line-height:1.85;max-width:320px;}
.foot-col h4{font-size:14px;color:var(--text);margin-bottom:18px;font-weight:600;}
.foot-col ul{display:flex;flex-direction:column;gap:11px;}
.foot-col li{font-size:13.5px;color:var(--text-3);line-height:1.7;}
.foot-col a{color:var(--text-2);font-size:13.5px;}
.foot-col a:hover{color:var(--brand);}
.foot-bottom{
  border-top:1px solid var(--border);padding:22px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:var(--text-3);
}
.foot-bottom .domain{color:var(--text-3);letter-spacing:.02em;}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .container{padding:0 24px;}
  .nav-links{display:none;}
  .count-pill{display:none;}
  .burger{display:inline-flex;}
  .hero-grid{grid-template-columns:1fr;gap:36px;}
  .section{padding:72px 0;}
  .steps{grid-template-columns:repeat(2,1fr);}
  .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .mid-cta{flex-direction:column;align-items:flex-start;padding:32px;}
  .b-card.wide{grid-column:span 2;}
}
@media (max-width:768px){
  body{padding-top:64px;font-size:15px;}
  .nav-inner{height:64px;}
  .status-tag{display:none;}
  .page-hero{padding:48px 0 56px;}
  .section{padding:56px 0;}
  .sec-head{flex-direction:column;align-items:flex-start;margin-bottom:28px;}
  .benefit-grid{grid-template-columns:1fr;}
  .b-card.wide{grid-column:span 1;flex-direction:column;align-items:flex-start;}
  .b-card.wide .b-thumb{width:100%;flex:1 1 auto;}
  .b-card{flex-direction:column;}
  .b-thumb{width:100%;flex:1 1 auto;max-width:100%;}
  .b-thumb img{aspect-ratio:16/10;}
  .steps{grid-template-columns:1fr;}
  .final-cta{padding:32px 22px;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:8px;}
  .compare-table th,.compare-table td{padding:14px 16px;}
  .compare-table tbody th,.compare-table thead th:first-child{
    position:sticky;left:0;z-index:2;background:var(--surface);
  }
  .guarantee{gap:14px;flex-direction:column;}
}
@media (max-width:520px){
  .container{padding:0 16px;}
  .hero-actions .btn,.final-actions .btn{width:100%;}
  .mid-cta .mid-actions{width:100%;}
  .mid-cta .mid-actions .btn{width:100%;}
}

/* roulang page: category1 */
:root{
    --c-primary:#17E6C0;
    --c-primary-soft:rgba(23,230,192,.12);
    --c-pink:#FF3D7F;
    --c-pink-soft:rgba(255,61,127,.12);
    --c-amber:#FFB020;
    --c-amber-soft:rgba(255,176,32,.12);
    --bg-base:#0B0918;
    --bg-sub:#141029;
    --bg-card:#1C1738;
    --line:#2A2450;
    --t-main:#F2F0FF;
    --t-second:#B6B0D6;
    --t-weak:#7C7699;
    --danger:#FF5470;
    --r-card:16px;
    --r-lg:24px;
    --r-btn:10px;
    --r-pill:999px;
    --sh-card:0 8px 24px rgba(0,0,0,.35);
    --sh-hover:0 0 0 1px #17E6C0, 0 10px 30px -10px rgba(23,230,192,.45);
    --ease:180ms ease-out;
  }

  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg-base);
    color:var(--t-main);
    font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,sans-serif;
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;}
  a{color:inherit;text-decoration:none;}
  button,input,textarea{font-family:inherit;font-size:inherit;color:inherit;}
  button{border:0;background:none;cursor:pointer;}
  ul,ol{margin:0;padding:0;list-style:none;}
  h1,h2,h3,h4,p{margin:0;}
  ::selection{background:var(--c-primary);color:#06121A;}
  :focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px;}

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

  .num{font-variant-numeric:tabular-nums;}

  /* ============ 导航 ============ */
  .site-header{
    position:sticky;
    top:0;
    z-index:70;
    background:rgba(11,9,24,.93);
    backdrop-filter:blur(8px);
    -webkit-backdrop-filter:blur(8px);
    border-bottom:1px solid transparent;
    transition:border-color var(--ease), box-shadow var(--ease);
  }
  .site-header.scrolled{
    border-bottom-color:var(--line);
    box-shadow:0 8px 24px rgba(0,0,0,.4);
  }
  .nav-inner{
    display:flex;
    align-items:center;
    gap:24px;
    min-height:70px;
  }
  .brand{
    display:inline-flex;
    align-items:center;
    gap:10px;
    flex-shrink:0;
  }
  .brand-mark{
    width:34px;height:34px;
    display:grid;place-items:center;
    border-radius:10px;
    background:var(--c-primary-soft);
    border:1px solid rgba(23,230,192,.35);
  }
  .brand-mark svg{width:19px;height:19px;}
  .brand-text{
    font-size:17px;
    font-weight:800;
    letter-spacing:.02em;
    color:var(--t-main);
    white-space:nowrap;
  }
  .brand-text span{color:var(--c-primary);}

  .nav-links{
    display:flex;
    align-items:center;
    gap:26px;
    margin-left:16px;
  }
  .nav-links a{
    position:relative;
    font-size:15px;
    color:var(--t-second);
    padding:6px 0;
    transition:color var(--ease), transform var(--ease);
  }
  .nav-links a::after{
    content:"";
    position:absolute;
    left:0;right:0;bottom:0;
    height:2px;
    background:var(--c-primary);
    border-radius:2px;
    transform:scaleX(0);
    transform-origin:left;
    transition:transform var(--ease);
  }
  .nav-links a:hover{color:var(--t-main);transform:translateY(-1px);}
  .nav-links a.active{color:var(--c-primary);}
  .nav-links a.active::after{transform:scaleX(1);}

  .nav-right{
    margin-left:auto;
    display:flex;
    align-items:center;
    gap:12px;
  }
  .count-pill{
    display:inline-flex;
    align-items:center;
    gap:8px;
    padding:6px 13px;
    border-radius:var(--r-pill);
    border:1px solid var(--line);
    background:rgba(28,23,56,.85);
    font-size:12px;
    color:var(--t-second);
    white-space:nowrap;
  }
  .count-pill .num{color:var(--c-primary);font-weight:700;letter-spacing:.02em;}
  .status-tag{
    display:inline-flex;
    align-items:center;
    gap:7px;
    padding:5px 12px;
    border-radius:var(--r-pill);
    background:var(--c-primary-soft);
    border:1px solid rgba(23,230,192,.35);
    color:var(--c-primary);
    font-size:12px;
    white-space:nowrap;
  }
  .status-tag i{
    width:6px;height:6px;border-radius:50%;
    background:var(--c-primary);
    box-shadow:0 0 0 0 rgba(23,230,192,.6);
    animation:pulse 2.2s infinite;
  }
  @keyframes pulse{
    0%{box-shadow:0 0 0 0 rgba(23,230,192,.55);}
    70%{box-shadow:0 0 0 7px rgba(23,230,192,0);}
    100%{box-shadow:0 0 0 0 rgba(23,230,192,0);}
  }

  /* ============ 按钮 ============ */
  .btn{
    display:inline-flex;
    align-items:center;
    justify-content:center;
    gap:8px;
    padding:11px 20px;
    border-radius:var(--r-btn);
    font-size:14px;
    font-weight:600;
    border:1px solid transparent;
    cursor:pointer;
    transition:transform var(--ease), background var(--ease), color var(--ease), border-color var(--ease), box-shadow var(--ease), opacity var(--ease);
  }
  .btn:active{transform:translateY(0);}
  .btn-primary{
    background:var(--c-primary);
    color:#06121A;
  }
  .btn-primary:hover{
    background:#3DF0D0;
    transform:translateY(-2px);
    box-shadow:0 10px 30px -10px rgba(23,230,192,.45);
  }
  .btn-outline{
    border-color:var(--c-primary);
    color:var(--c-primary);
    background:transparent;
  }
  .btn-outline:hover{
    background:var(--c-primary-soft);
    transform:translateY(-2px);
  }
  .btn-ghost{
    border-color:var(--line);
    color:var(--t-main);
    background:transparent;
  }
  .btn-ghost:hover{
    border-color:var(--c-primary);
    color:var(--c-primary);
    transform:translateY(-2px);
  }
  .btn-sm{padding:8px 15px;font-size:13px;}
  .btn-lg{padding:14px 26px;font-size:15px;}

  .burger{
    display:none;
    width:44px;height:44px;
    border-radius:10px;
    border:1px solid var(--line);
    position:relative;
  }
  .burger span,
  .burger span::before,
  .burger span::after{
    position:absolute;
    left:50%;top:50%;
    width:18px;height:2px;
    background:var(--t-main);
    border-radius:2px;
    transform:translate(-50%,-50%);
    transition:var(--ease);
  }
  .burger span::before{content:"";top:-6px;}
  .burger span::after{content:"";top:6px;}

  /* 移动抽屉 */
  .mobile-drawer{
    position:fixed;
    inset:0;
    z-index:120;
    background:var(--bg-base);
    padding:22px;
    display:flex;
    flex-direction:column;
    gap:22px;
    transform:translateX(102%);
    transition:transform 240ms ease-out;
    overflow-y:auto;
  }
  .mobile-drawer.open{transform:translateX(0);}
  .drawer-top{display:flex;align-items:center;justify-content:space-between;}
  .drawer-close{
    width:44px;height:44px;
    border-radius:10px;
    border:1px solid var(--line);
    color:var(--t-main);
    font-size:20px;
    line-height:1;
    display:grid;place-items:center;
  }
  .drawer-close:hover{border-color:var(--c-primary);color:var(--c-primary);}
  .drawer-links{display:flex;flex-direction:column;gap:6px;}
  .drawer-links a{
    padding:14px 14px;
    border-radius:12px;
    border:1px solid var(--line);
    background:var(--bg-card);
    color:var(--t-second);
    font-size:15px;
  }
  .drawer-links a.active{color:var(--c-primary);border-color:rgba(23,230,192,.45);}
  .drawer-foot{
    margin-top:auto;
    display:flex;
    flex-direction:column;
    gap:12px;
    color:var(--t-weak);
    font-size:12.5px;
  }

  /* ============ 小 Hero ============ */
  .page-hero{
    position:relative;
    overflow:hidden;
    border-bottom:1px solid var(--line);
    background:
      radial-gradient(720px 340px at 78% -10%, rgba(23,230,192,.14), transparent 70%),
      linear-gradient(180deg,#0E0B1F 0%, var(--bg-base) 100%);
  }
  .page-hero::before{
    content:"";
    position:absolute;inset:0;
    background-image:repeating-linear-gradient(0deg, rgba(242,240,255,.055) 0 1px, transparent 1px 44px),
                     repeating-linear-gradient(90deg, rgba(242,240,255,.055) 0 1px, transparent 1px 44px);
    opacity:.6;
    pointer-events:none;
  }
  .page-hero::after{
    content:"";
    position:absolute;
    left:0;right:0;top:42%;
    height:1px;
    background:linear-gradient(90deg,transparent,rgba(23,230,192,.25),transparent);
    pointer-events:none;
  }
  .hero-grid{
    position:relative;
    z-index:2;
    display:grid;
    grid-template-columns:1.05fr .95fr;
    gap:56px;
    align-items:center;
    padding-top:64px;
    padding-bottom:64px;
  }
  .crumb{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:13px;
    color:var(--t-weak);
    margin-bottom:18px;
  }
  .crumb a{color:var(--t-second);transition:color var(--ease);}
  .crumb a:hover{color:var(--c-primary);}
  .crumb span.sep{color:var(--line);}
  .crumb .now{color:var(--t-second);}

  h1{
    font-size:clamp(2rem,4.2vw,3.25rem);
    font-weight:800;
    line-height:1.2;
    letter-spacing:-.01em;
  }
  h1 em{
    font-style:normal;
    color:var(--c-primary);
  }
  .hero-lead{
    margin-top:18px;
    font-size:17px;
    color:var(--t-second);
    max-width:560px;
  }
  .hero-para{
    margin-top:14px;
    font-size:15px;
    color:var(--t-weak);
    max-width:580px;
  }
  .hero-actions{
    display:flex;
    flex-wrap:wrap;
    gap:14px;
    margin-top:30px;
  }
  .hero-metrics{
    display:flex;
    flex-wrap:wrap;
    gap:10px;
    margin-top:28px;
    padding-top:22px;
    border-top:1px solid var(--line);
  }
  .metric-tag{
    display:inline-flex;
    align-items:center;
    gap:7px;
    padding:7px 13px;
    border-radius:var(--r-pill);
    border:1px solid var(--line);
    background:rgba(28,23,56,.7);
    font-size:12.5px;
    color:var(--t-second);
  }
  .metric-tag b{color:var(--t-main);font-weight:600;}
  .dot{width:6px;height:6px;border-radius:50%;background:var(--c-primary);}
  .dot.pink{background:var(--c-pink);}
  .dot.amber{background:var(--c-amber);}

  .hero-visual{
    position:relative;
  }
  .hero-visual .frame{
    position:relative;
    aspect-ratio:4/3;
    border-radius:var(--r-lg);
    overflow:hidden;
    border:1px solid var(--line);
    background:var(--bg-card);
    box-shadow:var(--sh-card);
  }
  .hero-visual .frame img{
    width:100%;height:100%;object-fit:cover;
  }
  .hero-visual .frame::after{
    content:"";
    position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(11,9,24,0) 40%,rgba(11,9,24,.72) 100%);
  }
  .float-tag{
    position:absolute;
    display:inline-flex;
    align-items:center;
    gap:7px;
    padding:7px 13px;
    border-radius:var(--r-pill);
    font-size:12.5px;
    font-weight:600;
    background:rgba(11,9,24,.88);
    border:1px solid var(--line);
    backdrop-filter:blur(4px);
  }
  .float-tag.tl{top:16px;left:16px;color:var(--c-primary);border-color:rgba(23,230,192,.4);}
  .float-tag.br{bottom:16px;right:16px;color:var(--t-main);}
  .float-tag.br .num{color:var(--c-amber);}

  /* ============ 通用板块 ============ */
  .section{padding:88px 0;}
  .section.tight{padding:64px 0;}
  .section-sub{background:var(--bg-sub);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
  .sec-head{
    display:flex;
    flex-wrap:wrap;
    align-items:flex-end;
    justify-content:space-between;
    gap:18px;
    margin-bottom:44px;
  }
  .sec-head h2{
    font-size:clamp(1.5rem,2.6vw,2.1rem);
    font-weight:700;
    line-height:1.3;
  }
  .sec-head p{
    margin-top:10px;
    color:var(--t-second);
    font-size:15px;
    max-width:640px;
  }
  .eyebrow{
    display:inline-flex;
    align-items:center;
    gap:8px;
    font-size:12.5px;
    letter-spacing:.08em;
    color:var(--c-primary);
    text-transform:uppercase;
    margin-bottom:14px;
  }
  .eyebrow::before{
    content:"";
    width:20px;height:2px;border-radius:2px;
    background:var(--c-primary);
  }

  /* ============ 四步流程 ============ */
  .steps-layout{
    display:grid;
    grid-template-columns:.92fr 1.08fr;
    gap:56px;
    align-items:start;
  }
  .steps-aside{
    position:sticky;
    top:100px;
  }
  .steps-aside .frame{
    aspect-ratio:3/4;
    border-radius:var(--r-lg);
    overflow:hidden;
    border:1px solid var(--line);
    box-shadow:var(--sh-card);
    position:relative;
  }
  .steps-aside .frame img{width:100%;height:100%;object-fit:cover;}
  .steps-aside .frame::after{
    content:"";
    position:absolute;inset:0;
    background:linear-gradient(200deg,rgba(23,230,192,.16),rgba(11,9,24,.78) 62%);
  }
  .aside-note{
    margin-top:20px;
    padding:18px 20px;
    border-radius:var(--r-card);
    border:1px solid var(--line);
    background:var(--bg-card);
    font-size:14px;
    color:var(--t-second);
  }
  .aside-note strong{color:var(--t-main);display:block;margin-bottom:6px;font-size:15px;}

  .step-list{
    position:relative;
    display:flex;
    flex-direction:column;
    gap:18px;
  }
  .step-list::before{
    content:"";
    position:absolute;
    left:23px;top:26px;bottom:26px;
    width:1px;
    background:linear-gradient(180deg,var(--c-primary),rgba(42,36,80,.4));
  }
  .step-item{
    position:relative;
    display:grid;
    grid-template-columns:48px 1fr;
    gap:20px;
    padding:22px 24px;
    border-radius:var(--r-card);
    border:1px solid var(--line);
    background:var(--bg-card);
    box-shadow:var(--sh-card);
    transition:transform var(--ease), box-shadow var(--ease), border-color var(--ease);
  }
  .step-item:hover{
    transform:translateY(-2px);
    box-shadow:var(--sh-hover);
    border-color:transparent;
  }
  .step-num{
    position:relative;
    z-index:2;
    width:48px;height:48px;
    border-radius:50%;
    display:grid;place-items:center;
    font-weight:800;
    font-size:16px;
    color:var(--c-primary);
    background:#120F26;
    border:1px solid rgba(23,230,192,.5);
    font-variant-numeric:tabular-nums;
  }
  .step-body h3{
    font-size:1.125rem;
    font-weight:600;
    margin-bottom:8px;
  }
  .step-body p{
    font-size:14.5px;
    color:var(--t-second);
    line-height:1.8;
  }
  .tag-row{
    display:flex;
    flex-wrap:wrap;
    gap:8px;
    margin-top:14px;
  }
  .tag{
    display:inline-flex;
    align-items:center;
    padding:4px 11px;
    height:26px;
    border-radius:var(--r-pill);
    font-size:12px;
    background:var(--c-primary-soft);
    color:var(--c-primary);
    border:1px solid rgba(23,230,192,.32);
  }
  .tag.pink{
    background:var(--c-pink-soft);
    color:var(--c-pink);
    border-color:rgba(255,61,127,.32);
  }
  .tag.amber{
    background:var(--c-amber-soft);
    color:var(--c-amber);
    border-color:rgba(255,176,32,.32);
  }
  .tag.plain{
    background:rgba(42,36,80,.5);
    color:var(--t-second);
    border-color:var(--line);
  }

  /* ============ 速查卡 ============ */
  .card-grid{
    display:grid;
    grid-template-columns:repeat(3,1fr);
    gap:24px;
  }
  .info-card{
    border-radius:var(--r-card);
    border:1px solid var(--line);
    background:var(--bg-card);
    box-shadow:var(--sh-card);
    overflow:hidden;
    display:flex;
    flex-direction:column;
    transition:transform var(--ease), box-shadow var(--ease), border-color var(--ease);
  }
  .info-card:hover{
    transform:translateY(-2px);
    box-shadow:var(--sh-hover);
    border-color:transparent;
  }
  .info-card .thumb{
    position:relative;
    aspect-ratio:16/10;
    overflow:hidden;
    background:#100D22;
  }
  .info-card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 240ms ease-out;}
  .info-card:hover .thumb img{transform:scale(1.04);}
  .info-card .badge{
    position:absolute;
    top:12px;left:12px;
    padding:4px 11px;
    border-radius:var(--r-pill);
    font-size:12px;
    font-weight:600;
    background:rgba(11,9,24,.86);
    border:1px solid rgba(23,230,192,.4);
    color:var(--c-primary);
  }
  .info-card .body{padding:22px;display:flex;flex-direction:column;gap:10px;flex:1;}
  .info-card h3{font-size:1.0625rem;font-weight:600;}
  .info-card p{font-size:14px;color:var(--t-second);}
  .info-card .foot{
    margin-top:auto;
    padding-top:14px;
    border-top:1px solid var(--line);
    font-size:12.5px;
    color:var(--t-weak);
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:10px;
  }

  /* ============ 中段 CTA ============ */
  .mid-cta{
    border-radius:var(--r-lg);
    border:1px solid rgba(23,230,192,.28);
    background:linear-gradient(120deg, rgba(23,230,192,.16), rgba(28,23,56,.9) 55%, rgba(255,61,127,.12));
    padding:38px 40px;
    display:flex;
    flex-wrap:wrap;
    align-items:center;
    justify-content:space-between;
    gap:26px;
  }
  .mid-cta h2{
    font-size:clamp(1.35rem,2.2vw,1.75rem);
    font-weight:700;
  }
  .mid-cta p{
    margin-top:10px;
    color:var(--t-second);
    font-size:14.5px;
    max-width:600px;
  }
  .mid-cta .actions{display:flex;flex-wrap:wrap;gap:12px;}

  /* ============ 准备清单 ============ */
  .check-layout{
    display:grid;
    grid-template-columns:1fr 1fr;
    gap:28px;
  }
  .panel{
    border-radius:var(--r-card);
    border:1px solid var(--line);
    background:var(--bg-card);
    padding:28px;
    box-shadow:var(--sh-card);
  }
  .panel h3{
    font-size:1.125rem;
    font-weight:600;
    margin-bottom:18px;
    display:flex;
    align-items:center;
    gap:10px;
  }
  .panel h3 .pip{
    width:8px;height:8px;border-radius:2px;background:var(--c-primary);
  }
  .panel h3.pink .pip{background:var(--c-pink);}
  .check-list li{
    display:flex;
    gap:12px;
    padding:13px 0;
    border-bottom:1px solid var(--line);
    font-size:14.5px;
    color:var(--t-second);
  }
  .check-list li:last-child{border-bottom:0;padding-bottom:0;}
  .check-list li svg{flex-shrink:0;margin-top:5px;}
  .check-list li b{color:var(--t-main);font-weight:600;}

  /* ============ FAQ ============ */
  .faq-wrap{max-width:840px;margin:0 auto;}
  .faq-item{
    border:1px solid var(--line);
    border-radius:var(--r-card);
    background:var(--bg-card);
    margin-bottom:14px;
    overflow:hidden;
    transition:border-color var(--ease), box-shadow var(--ease);
  }
  .faq-item.open{
    border-color:rgba(23,230,192,.42);
    box-shadow:0 0 0 1px rgba(23,230,192,.18), var(--sh-card);
  }
  .faq-q{
    width:100%;
    display:flex;
    align-items:center;
    justify-content:space-between;
    gap:16px;
    padding:20px 22px;
    text-align:left;
    font-size:16px;
    font-weight:600;
    color:var(--t-main);
    transition:color var(--ease);
  }
  .faq-q:hover{color:var(--c-primary);}
  .faq-q .chev{
    flex-shrink:0;
    width:26px;height:26px;
    border-radius:50%;
    border:1px solid var(--line);
    display:grid;place-items:center;
    color:var(--t-second);
    transition:transform var(--ease), color var(--ease), border-color var(--ease);
  }
  .faq-item.open .faq-q .chev{
    transform:rotate(180deg);
    color:var(--c-primary);
    border-color:rgba(23,230,192,.5);
  }
  .faq-a{
    max-height:0;
    overflow:hidden;
    transition:max-height 240ms ease-out;
  }
  .faq-a-inner{
    padding:0 22px 22px;
    font-size:14.5px;
    line-height:1.85;
    color:var(--t-second);
  }

  /* ============ 收尾 CTA ============ */
  .end-cta{
    border-radius:var(--r-lg);
    border:1px solid var(--line);
    background:
      radial-gradient(520px 240px at 18% 0%, rgba(23,230,192,.18), transparent 70%),
      radial-gradient(460px 220px at 92% 100%, rgba(255,61,127,.14), transparent 70%),
      linear-gradient(160deg,#171233,#120E28);
    padding:56px 48px;
    text-align:center;
  }
  .end-cta h2{
    font-size:clamp(1.55rem,2.8vw,2.15rem);
    font-weight:700;
  }
  .end-cta > p{
    margin:16px auto 0;
    max-width:620px;
    color:var(--t-second);
    font-size:15px;
  }
  .end-cta .actions{
    display:flex;
    flex-wrap:wrap;
    gap:14px;
    justify-content:center;
    margin-top:30px;
  }
  .assure-row{
    display:flex;
    flex-wrap:wrap;
    justify-content:center;
    gap:26px;
    margin-top:32px;
    padding-top:26px;
    border-top:1px solid var(--line);
  }
  .assure{
    display:inline-flex;
    align-items:center;
    gap:9px;
    font-size:13px;
    color:var(--t-second);
  }
  .assure svg{color:var(--c-primary);}
  .countdown-box{
    display:inline-flex;
    align-items:center;
    gap:12px;
    margin-top:26px;
    padding:10px 18px;
    border-radius:var(--r-pill);
    border:1px solid rgba(255,176,32,.4);
    background:var(--c-amber-soft);
    font-size:13px;
    color:var(--c-amber);
  }
  .countdown-box b{font-variant-numeric:tabular-nums;font-weight:700;}

  /* ============ 页脚 ============ */
  .site-footer{
    margin-top:0;
    background:#08060F;
    border-top:1px solid var(--line);
    padding:64px 0 28px;
  }
  .foot-grid{
    display:grid;
    grid-template-columns:1.5fr 1fr 1fr 1.2fr;
    gap:40px;
  }
  .foot-brand p{
    margin-top:18px;
    font-size:14px;
    color:var(--t-second);
    max-width:340px;
    line-height:1.8;
  }
  .foot-col h4{
    font-size:14px;
    font-weight:600;
    margin-bottom:18px;
    color:var(--t-main);
  }
  .foot-col ul li{
    font-size:14px;
    color:var(--t-second);
    margin-bottom:12px;
  }
  .foot-col ul li a{
    color:var(--t-second);
    transition:color var(--ease), padding-left var(--ease);
  }
  .foot-col ul li a:hover{
    color:var(--c-primary);
    padding-left:4px;
  }
  .foot-bottom{
    margin-top:48px;
    padding-top:24px;
    border-top:1px solid var(--line);
    display:flex;
    flex-wrap:wrap;
    gap:12px;
    justify-content:space-between;
    font-size:13px;
    color:var(--t-weak);
  }
  .foot-bottom .domain{color:var(--t-second);letter-spacing:.04em;}

  /* ============ 响应式 ============ */
  @media (max-width:1180px){
    .nav-links{gap:20px;}
    .count-pill{display:none;}
  }
  @media (max-width:1024px){
    .container{padding:0 24px;}
    .nav-links{display:none;}
    .burger{display:block;}
    .hero-grid{
      grid-template-columns:1fr;
      gap:40px;
      padding-top:48px;
      padding-bottom:52px;
    }
    .hero-visual{order:-1;}
    .steps-layout{grid-template-columns:1fr;gap:36px;}
    .steps-aside{position:static;}
    .steps-aside .frame{aspect-ratio:16/9;}
    .card-grid{grid-template-columns:1fr 1fr;}
    .foot-grid{grid-template-columns:1fr 1fr;gap:32px;}
    .section{padding:64px 0;}
  }
  @media (max-width:768px){
    body{font-size:15px;}
    .container{padding:0 16px;}
    .status-tag{display:none;}
    .mid-cta{padding:28px 22px;}
    .end-cta{padding:40px 22px;}
    .check-layout{grid-template-columns:1fr;}
    .card-grid{grid-template-columns:1fr;}
    .hero-actions .btn,
    .mid-cta .actions .btn,
    .end-cta .actions .btn{width:100%;}
    .step-item{grid-template-columns:38px 1fr;gap:16px;padding:20px 18px;}
    .step-num{width:38px;height:38px;font-size:14px;}
    .step-list::before{left:18px;}
    .sec-head{margin-bottom:30px;}
    .section{padding:52px 0;}
    .foot-grid{grid-template-columns:1fr;}
    .foot-bottom{flex-direction:column;gap:8px;}
  }
  @media (max-width:520px){
    h1{font-size:1.9rem;}
    .panel{padding:22px 18px;}
    .assure-row{gap:16px;flex-direction:column;align-items:center;}
  }

/* roulang page: category3 */
:root{
    --c-primary:#17E6C0;
    --c-primary-soft:rgba(23,230,192,.12);
    --c-accent:#FF3D7F;
    --c-warn:#FFB020;
    --bg-0:#0B0918;
    --bg-1:#141029;
    --bg-2:#1C1738;
    --line:#2A2450;
    --tx-1:#F2F0FF;
    --tx-2:#B6B0D6;
    --tx-3:#7C7699;
    --r-card:16px;
    --r-lg:24px;
    --r-btn:10px;
    --r-pill:999px;
    --sh-card:0 8px 24px rgba(0,0,0,.35);
    --sh-hi:0 0 0 1px #17E6C0, 0 10px 30px -10px rgba(23,230,192,.45);
    --ease:cubic-bezier(.22,.61,.36,1);
  }

  *{box-sizing:border-box;}
  html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
  body{
    margin:0;
    background:
      radial-gradient(760px 380px at 12% -6%, rgba(23,230,192,.10), transparent 62%),
      radial-gradient(680px 360px at 96% 4%, rgba(255,61,127,.08), transparent 66%),
      var(--bg-0);
    color:var(--tx-1);
    font-family:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
    font-size:16px;
    line-height:1.75;
    -webkit-font-smoothing:antialiased;
  }
  img{max-width:100%;display:block;height:auto;}
  a{color:inherit;text-decoration:none;transition:color .2s var(--ease),opacity .2s var(--ease);}
  button{font-family:inherit;cursor:pointer;}
  a:focus-visible,button:focus-visible,input:focus-visible,textarea:focus-visible{
    outline:2px solid var(--c-primary);outline-offset:2px;border-radius:8px;
  }
  .num{font-variant-numeric:tabular-nums;}

  .container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px;}
  @media (max-width:1024px){.container{padding:0 24px;}}
  @media (max-width:640px){.container{padding:0 16px;}}

  /* ============ 导航 ============ */
  .site-header{
    position:sticky;top:0;z-index:60;
    background:rgba(11,9,24,.9);
    border-bottom:1px solid transparent;
    transition:border-color .2s var(--ease),background .2s var(--ease),box-shadow .2s var(--ease);
  }
  .site-header.scrolled{
    border-bottom-color:var(--line);
    background:rgba(11,9,24,.96);
    box-shadow:0 10px 30px -20px rgba(0,0,0,.9);
    backdrop-filter:blur(8px);
  }
  .nav-inner{display:flex;align-items:center;gap:24px;min-height:72px;}
  .brand{display:inline-flex;align-items:center;gap:10px;flex:none;}
  .brand-mark{
    width:36px;height:36px;border-radius:10px;display:grid;place-items:center;
    border:1px solid rgba(23,230,192,.35);
    background:linear-gradient(160deg,rgba(23,230,192,.16),rgba(23,230,192,.02));
    transition:transform .2s var(--ease),box-shadow .2s var(--ease);
  }
  .brand-mark svg{width:20px;height:20px;}
  .brand:hover .brand-mark{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(23,230,192,.5);}
  .brand-text{font-size:17px;font-weight:800;letter-spacing:-.01em;color:var(--tx-1);white-space:nowrap;}
  .brand-text span{color:var(--c-primary);}

  .nav-links{display:flex;align-items:center;gap:2px;}
  .nav-links a{
    position:relative;display:inline-block;
    padding:9px 13px;font-size:15px;color:var(--tx-2);border-radius:8px;
    transition:color .2s var(--ease),transform .2s var(--ease);
  }
  .nav-links a::after{
    content:"";position:absolute;left:13px;right:13px;bottom:3px;height:2px;
    background:var(--c-primary);border-radius:2px;
    transform:scaleX(0);transform-origin:left center;transition:transform .22s var(--ease);
  }
  .nav-links a:hover{color:var(--tx-1);transform:translateY(-1px);}
  .nav-links a.active{color:var(--c-primary);}
  .nav-links a.active::after{transform:scaleX(1);}

  .nav-right{margin-left:auto;display:flex;align-items:center;gap:12px;}
  .count-pill{
    display:inline-flex;align-items:center;gap:8px;
    padding:6px 14px;border-radius:var(--r-pill);
    border:1px solid var(--line);background:var(--bg-1);
    font-size:12px;color:var(--tx-2);white-space:nowrap;
  }
  .count-pill b{color:var(--c-primary);font-size:13px;letter-spacing:.04em;}
  .status-tag{
    display:inline-flex;align-items:center;gap:7px;height:26px;padding:0 12px;
    border-radius:var(--r-pill);font-size:12px;font-weight:500;
    color:var(--c-primary);background:var(--c-primary-soft);border:1px solid rgba(23,230,192,.35);
    white-space:nowrap;
  }
  .status-tag i{width:6px;height:6px;border-radius:50%;background:var(--c-primary);box-shadow:0 0 8px rgba(23,230,192,.8);}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    padding:12px 22px;border-radius:var(--r-btn);border:1px solid transparent;
    font-size:15px;font-weight:600;line-height:1;
    transition:transform .2s var(--ease),background .2s var(--ease),color .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
  }
  .btn-primary{background:var(--c-primary);color:#05170f;box-shadow:0 12px 26px -14px rgba(23,230,192,.75);}
  .btn-primary:hover{background:#4df1d4;transform:translateY(-2px);}
  .btn-primary:active{transform:translateY(0);}
  .btn-outline{background:transparent;color:var(--c-primary);border-color:rgba(23,230,192,.5);}
  .btn-outline:hover{background:rgba(23,230,192,.1);transform:translateY(-2px);}
  .btn-outline:active{transform:translateY(0);}
  .btn-sm{padding:9px 16px;font-size:14px;border-radius:9px;}
  .btn-ghost{background:transparent;color:var(--tx-2);border-color:var(--line);}
  .btn-ghost:hover{color:var(--tx-1);border-color:rgba(23,230,192,.4);transform:translateY(-2px);}

  .burger{
    display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:10px;
    background:var(--bg-1);position:relative;
  }
  .burger span,.burger span::before,.burger span::after{
    position:absolute;left:50%;transform:translateX(-50%);
    width:18px;height:1.5px;background:var(--tx-1);border-radius:2px;content:"";transition:.2s var(--ease);
  }
  .burger span{top:50%;margin-top:-1px;}
  .burger span::before{top:-6px;}
  .burger span::after{top:6px;}

  @media (max-width:1024px){
    .burger{display:block;}
    .status-tag{display:none;}
    .nav-links{
      position:fixed;inset:0;z-index:70;flex-direction:column;align-items:flex-start;justify-content:flex-start;
      gap:6px;padding:100px 24px 32px;background:var(--bg-0);
      opacity:0;transform:translateY(-10px);pointer-events:none;
      transition:opacity .22s var(--ease),transform .22s var(--ease);
    }
    .nav-links.open{opacity:1;transform:translateY(0);pointer-events:auto;}
    .nav-links a{font-size:19px;padding:14px 12px;width:100%;border-bottom:1px solid var(--line);}
    .nav-links a::after{left:12px;width:22px;right:auto;bottom:8px;}
  }
  @media (max-width:640px){
    .nav-inner{gap:12px;min-height:64px;}
    .count-pill span{display:none;}
    .brand-text{font-size:16px;}
  }

  /* ============ 面包屑 / 小 Hero ============ */
  .page-hero{
    position:relative;overflow:hidden;
    padding:64px 0 76px;
    background:radial-gradient(880px 420px at 80% -12%, rgba(23,230,192,.14), transparent 64%), var(--bg-0);
    border-bottom:1px solid var(--line);
  }
  .page-hero::before{
    content:"";position:absolute;inset:0;pointer-events:none;opacity:.09;
    background-image:
      repeating-linear-gradient(0deg,rgba(255,255,255,.9) 0 1px,transparent 1px 34px),
      repeating-linear-gradient(90deg,rgba(255,255,255,.9) 0 1px,transparent 1px 34px);
  }
  .page-hero::after{
    content:"";position:absolute;left:0;right:0;top:46%;height:1px;
    background:linear-gradient(90deg,transparent,rgba(23,230,192,.35),transparent);
  }
  .page-hero .container{position:relative;z-index:2;}
  .hero-grid{display:grid;grid-template-columns:1.05fr .95fr;gap:48px;align-items:center;}
  @media (max-width:1024px){
    .hero-grid{grid-template-columns:1fr;gap:32px;}
    .page-hero{padding:44px 0 56px;}
  }

  .crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--tx-3);margin-bottom:20px;}
  .crumb a:hover{color:var(--c-primary);}
  .crumb .cur{color:var(--tx-2);}

  .hero-title{
    font-size:clamp(2rem,4.2vw,3.2rem);font-weight:800;line-height:1.16;
    letter-spacing:-.01em;margin:0 0 18px;
  }
  .hero-title em{font-style:normal;color:var(--c-primary);}
  .hero-sub{font-size:16px;line-height:1.85;color:var(--tx-2);margin:0 0 24px;max-width:38em;}

  .tag-row{display:flex;flex-wrap:wrap;gap:8px;}
  .tag{
    display:inline-flex;align-items:center;height:26px;padding:0 12px;
    border-radius:var(--r-pill);font-size:12px;font-weight:500;
    color:var(--c-primary);background:var(--c-primary-soft);border:1px solid rgba(23,230,192,.32);
  }
  .tag-pink{color:var(--c-accent);background:rgba(255,61,127,.12);border-color:rgba(255,61,127,.32);}
  .tag-warn{color:var(--c-warn);background:rgba(255,176,32,.12);border-color:rgba(255,176,32,.34);}
  .tag-plain{color:var(--tx-2);background:rgba(255,255,255,.04);border-color:var(--line);}

  .btn-row{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}

  .hero-media{
    position:relative;border-radius:var(--r-lg);overflow:hidden;
    border:1px solid var(--line);box-shadow:var(--sh-card);
    aspect-ratio:4/3;background:var(--bg-2);
  }
  .hero-media img{width:100%;height:100%;object-fit:cover;opacity:.92;}
  .hero-media .media-shade{
    position:absolute;inset:0;
    background:linear-gradient(180deg,rgba(11,9,24,.05) 30%,rgba(11,9,24,.82) 100%);
  }
  .media-tags{position:absolute;left:18px;right:18px;bottom:18px;display:flex;flex-wrap:wrap;gap:8px;}

  /* ============ 板块 ============ */
  .section{padding:88px 0;}
  .section-tight{padding:72px 0;}
  .section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
  @media (max-width:768px){.section{padding:56px 0;}.section-tight{padding:48px 0;}}

  .sec-head{max-width:760px;margin-bottom:40px;}
  .sec-eyebrow{
    display:inline-block;font-size:12px;letter-spacing:.18em;color:var(--c-primary);
    text-transform:uppercase;margin-bottom:12px;
  }
  .sec-title{font-size:clamp(1.5rem,2.6vw,2.05rem);font-weight:700;letter-spacing:-.01em;margin:0;line-height:1.3;}
  .sec-desc{margin:14px 0 0;color:var(--tx-2);font-size:16px;line-height:1.85;}

  /* ============ 瀑布网格 ============ */
  .wf{columns:2;column-gap:24px;}
  @media (max-width:768px){.wf{columns:1;}}
  .wf-card{
    break-inside:avoid;margin-bottom:24px;
    border:1px solid var(--line);background:var(--bg-2);border-radius:var(--r-card);
    overflow:hidden;box-shadow:var(--sh-card);
    transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
  }
  .wf-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hi);border-color:transparent;}
  .wf-media{position:relative;overflow:hidden;background:var(--bg-1);}
  .wf-media.r-43{aspect-ratio:4/3;}
  .wf-media.r-169{aspect-ratio:16/9;}
  .wf-media.r-11{aspect-ratio:1/1;}
  .wf-media img{width:100%;height:100%;object-fit:cover;opacity:.9;transition:transform .3s var(--ease);}
  .wf-card:hover .wf-media img{transform:scale(1.03);}
  .badge-corner{
    position:absolute;top:12px;left:12px;display:inline-flex;align-items:center;
    height:24px;padding:0 11px;border-radius:var(--r-pill);font-size:12px;font-weight:600;
  }
  .badge-corner.ex{color:var(--c-accent);background:rgba(255,61,127,.16);border:1px solid rgba(255,61,127,.45);}
  .badge-corner.open{color:var(--tx-2);background:rgba(255,255,255,.06);border:1px solid var(--line);}
  .wf-body{padding:20px 22px 22px;}
  .card-title{font-size:17px;font-weight:600;margin:0 0 8px;line-height:1.5;}
  .card-text{margin:0;color:var(--tx-2);font-size:14px;line-height:1.78;}
  .card-meta{
    display:flex;flex-wrap:wrap;align-items:center;gap:10px;
    margin-top:16px;padding-top:14px;border-top:1px solid var(--line);
    font-size:12px;color:var(--tx-3);
  }
  .card-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--tx-3);}

  /* ============ 时间轴 ============ */
  .timeline{position:relative;display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
  .timeline::before{
    content:"";position:absolute;top:11px;left:0;right:0;height:1px;
    background:linear-gradient(90deg,rgba(23,230,192,.65),rgba(42,36,80,.9));
  }
  .tl-item{position:relative;padding-top:44px;}
  .tl-dot{
    position:absolute;top:4px;left:0;width:16px;height:16px;border-radius:50%;
    background:var(--c-primary);box-shadow:0 0 0 4px rgba(23,230,192,.16);
  }
  .tl-step{font-size:12px;color:var(--c-primary);letter-spacing:.08em;margin-bottom:6px;}
  .tl-title{font-size:16px;font-weight:600;margin:0 0 8px;}
  .tl-text{margin:0;color:var(--tx-2);font-size:14px;line-height:1.78;}
  @media (max-width:1024px){
    .timeline{grid-template-columns:repeat(2,1fr);row-gap:32px;}
    .timeline::before{display:none;}
    .tl-item{border-top:1px solid var(--line);padding-top:24px;}
    .tl-dot{top:18px;}
  }
  @media (max-width:768px){
    .timeline{grid-template-columns:1fr;gap:20px;}
    .tl-item{padding-left:32px;padding-top:0;border-top:0;}
    .tl-dot{top:6px;left:0;}
  }

  /* ============ 内容库构成 ============ */
  .split{display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;}
  @media (max-width:1024px){.split{grid-template-columns:1fr;gap:32px;}}
  .split-media{
    position:relative;border-radius:var(--r-lg);overflow:hidden;border:1px solid var(--line);
    aspect-ratio:16/11;box-shadow:var(--sh-card);
  }
  .split-media img{width:100%;height:100%;object-fit:cover;opacity:.9;}
  .split-media .media-shade{position:absolute;inset:0;background:linear-gradient(200deg,rgba(11,9,24,.15),rgba(11,9,24,.85));}
  .split-media .media-caption{position:absolute;left:22px;right:22px;bottom:20px;}
  .media-caption h3{font-size:18px;font-weight:600;margin:0 0 6px;}
  .media-caption p{margin:0;font-size:13.5px;color:var(--tx-2);line-height:1.7;}

  .list-item{
    display:block;padding:18px 20px;border-radius:14px;border:1px solid var(--line);
    background:var(--bg-2);margin-bottom:14px;border-left:2px solid var(--line);
    transition:background .2s var(--ease),border-color .2s var(--ease),transform .2s var(--ease);
  }
  .list-item:last-child{margin-bottom:0;}
  .list-item:hover{background:var(--bg-1);border-left-color:var(--c-primary);transform:translateY(-2px);}
  .list-item h3{font-size:16px;font-weight:600;margin:0 0 6px;}
  .list-item p{margin:0;color:var(--tx-2);font-size:14px;line-height:1.75;}

  /* ============ 中段 CTA ============ */
  .cta-band{
    position:relative;overflow:hidden;border-radius:var(--r-lg);
    border:1px solid var(--line);padding:52px 48px;
    background:
      radial-gradient(520px 260px at 18% 0%, rgba(23,230,192,.20), transparent 70%),
      linear-gradient(135deg,rgba(23,230,192,.10),rgba(255,61,127,.08) 62%,transparent),
      var(--bg-2);
  }
  .cta-band h2{font-size:clamp(1.4rem,2.4vw,2rem);font-weight:700;margin:14px 0 12px;line-height:1.32;}
  .cta-band p{margin:0;color:var(--tx-2);font-size:15.5px;line-height:1.85;max-width:62ch;}
  .assure{display:flex;flex-wrap:wrap;gap:20px;margin-top:26px;padding-top:22px;border-top:1px solid var(--line);}
  .assure span{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--tx-2);}
  .assure i{
    width:16px;height:16px;border-radius:50%;flex:none;
    background:var(--c-primary-soft);border:1px solid rgba(23,230,192,.45);
    position:relative;
  }
  .assure i::after{
    content:"";position:absolute;left:5px;top:3px;width:4px;height:8px;
    border-right:2px solid var(--c-primary);border-bottom:2px solid var(--c-primary);
    transform:rotate(40deg);
  }
  @media (max-width:768px){.cta-band{padding:34px 22px;}}

  /* ============ FAQ ============ */
  .faq{max-width:860px;}
  .faq-item{
    border:1px solid var(--line);background:var(--bg-1);border-radius:var(--r-card);
    margin-bottom:12px;overflow:hidden;
    transition:box-shadow .22s var(--ease),border-color .22s var(--ease);
  }
  .faq-item:hover{box-shadow:var(--sh-card);}
  .faq-item.open{border-color:rgba(23,230,192,.4);}
  .faq-q{
    width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
    padding:18px 22px;background:transparent;border:0;text-align:left;
    font-size:15.5px;font-weight:600;color:var(--tx-1);
  }
  .faq-icon{
    flex:none;width:22px;height:22px;display:grid;place-items:center;color:var(--c-primary);
    transition:transform .22s var(--ease);
  }
  .faq-icon svg{width:16px;height:16px;}
  .faq-item.open .faq-icon{transform:rotate(180deg);}
  .faq-a{max-height:0;overflow:hidden;transition:max-height .26s var(--ease);}
  .faq-a-inner{padding:0 22px 20px;color:var(--tx-2);font-size:14.5px;line-height:1.85;}

  /* ============ 页脚 ============ */
  .site-footer{margin-top:0;padding:64px 0 26px;background:var(--bg-0);border-top:1px solid var(--line);}
  .foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;}
  @media (max-width:1024px){.foot-grid{grid-template-columns:1fr 1fr;gap:32px;}}
  @media (max-width:640px){.foot-grid{grid-template-columns:1fr;gap:26px;}}
  .foot-brand p{margin:16px 0 0;color:var(--tx-2);font-size:14px;line-height:1.85;max-width:36em;}
  .foot-col h4{font-size:14px;font-weight:600;color:var(--tx-1);margin:0 0 16px;letter-spacing:.02em;}
  .foot-col ul{list-style:none;margin:0;padding:0;}
  .foot-col li{font-size:14px;color:var(--tx-2);margin-bottom:10px;line-height:1.7;}
  .foot-col a{color:var(--tx-2);}
  .foot-col a:hover{color:var(--c-primary);}
  .foot-bottom{
    margin-top:42px;padding-top:20px;border-top:1px solid var(--line);
    display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;
    font-size:13px;color:var(--tx-3);
  }
  .foot-bottom .domain{color:var(--tx-3);letter-spacing:.04em;}

/* roulang page: category4 */
:root{
  --c-primary:#17E6C0;
  --c-primary-soft:rgba(23,230,192,.12);
  --c-primary-line:rgba(23,230,192,.45);
  --c-magenta:#FF3D7F;
  --c-magenta-soft:rgba(255,61,127,.12);
  --c-amber:#FFB020;
  --bg-0:#0B0918;
  --bg-1:#141029;
  --bg-2:#1C1738;
  --line:#2A2450;
  --t-1:#F2F0FF;
  --t-2:#B6B0D6;
  --t-3:#7C7699;
  --err:#FF5470;
  --r-card:16px;
  --r-lg:24px;
  --r-btn:10px;
  --r-pill:999px;
  --sh-card:0 8px 24px rgba(0,0,0,.35);
  --sh-hover:0 0 0 1px #17E6C0,0 10px 30px -10px rgba(23,230,192,.45);
  --font:"PingFang SC","HarmonyOS Sans","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --ease:cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--t-1);
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
h1,h2,h3,h4{line-height:1.28;letter-spacing:-.01em}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--c-primary);outline-offset:2px;border-radius:6px}
::selection{background:rgba(23,230,192,.3);color:#fff}
::-webkit-scrollbar{width:10px;height:10px}
::-webkit-scrollbar-track{background:var(--bg-0)}
::-webkit-scrollbar-thumb{background:#2A2450;border-radius:8px}
::-webkit-scrollbar-thumb:hover{background:#3A3266}

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

/* ---------- 按钮 / 徽章 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:44px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:600;line-height:1;border:1px solid transparent;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
  cursor:pointer;white-space:nowrap;
}
.btn-primary{background:var(--c-primary);color:#04120F;box-shadow:0 8px 22px -12px rgba(23,230,192,.8)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 12px 28px -12px rgba(23,230,192,.9)}
.btn-primary:active{transform:translateY(0);filter:brightness(.98)}
.btn-outline{border-color:var(--c-primary);color:var(--c-primary);background:transparent}
.btn-outline:hover{background:var(--c-primary-soft);transform:translateY(-2px)}
.btn-outline:active{transform:translateY(0)}
.btn-ghost{border-color:var(--line);color:var(--t-2);background:var(--bg-1)}
.btn-ghost:hover{color:var(--t-1);border-color:#3A3266;transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-lg{height:50px;padding:0 28px;font-size:16px}
.btn-block{width:100%}

.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 12px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;line-height:1;letter-spacing:.02em;
  background:var(--c-primary-soft);color:var(--c-primary);border:1px solid var(--c-primary-line);
}
.badge-magenta{background:var(--c-magenta-soft);color:var(--c-magenta);border-color:rgba(255,61,127,.45)}
.badge-amber{background:rgba(255,176,32,.12);color:var(--c-amber);border-color:rgba(255,176,32,.45)}
.badge-muted{background:rgba(124,118,153,.14);color:var(--t-2);border-color:#332C5C}

.status-tag{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 13px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;color:var(--c-primary);
  background:var(--c-primary-soft);border:1px solid var(--c-primary-line);
  white-space:nowrap;
}
.status-tag i{width:6px;height:6px;border-radius:50%;background:var(--c-primary);box-shadow:0 0 0 4px rgba(23,230,192,.18);animation:pulse 2.4s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.45}}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(11,9,24,.92);
  border-bottom:1px solid transparent;
  transition:border-color .24s var(--ease),box-shadow .24s var(--ease),backdrop-filter .24s var(--ease);
}
.site-header.scrolled{border-bottom-color:var(--line);backdrop-filter:blur(8px);box-shadow:0 8px 24px -18px rgba(0,0,0,.9)}
.nav-inner{display:flex;align-items:center;gap:24px;height:74px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(23,230,192,.18),rgba(255,61,127,.14));
  border:1px solid var(--line);
}
.brand-mark svg{width:18px;height:18px}
.brand-text{font-size:18px;font-weight:800;letter-spacing:-.02em;color:var(--t-1)}
.brand-text span{color:var(--c-primary)}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:8px}
.nav-links a{
  position:relative;padding:8px 12px;font-size:15px;font-weight:500;color:var(--t-2);
  border-radius:8px;transition:color .2s var(--ease),transform .2s var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--c-primary);transform:scaleX(0);transform-origin:left;
  transition:transform .22s var(--ease);
}
.nav-links a:hover{color:var(--t-1);transform:translateY(-1px)}
.nav-links a:hover::after{transform:scaleX(.6)}
.nav-links a.active{color:var(--c-primary);font-weight:600}
.nav-links a.active::after{transform:scaleX(1)}
.nav-right{display:flex;align-items:center;gap:12px;margin-left:auto}
.count-pill{
  display:inline-flex;align-items:center;gap:8px;height:32px;padding:0 14px;
  border-radius:var(--r-pill);border:1px solid var(--line);background:var(--bg-1);
  font-size:12px;color:var(--t-3);white-space:nowrap;
}
.count-pill b{color:var(--c-primary);font-weight:700;font-variant-numeric:tabular-nums;letter-spacing:.04em}
.burger{
  display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line);
  background:var(--bg-1);position:relative;transition:border-color .2s var(--ease);
}
.burger:hover{border-color:var(--c-primary-line)}
.burger span,.burger span::before,.burger span::after{
  position:absolute;left:50%;width:18px;height:1.8px;background:var(--t-1);border-radius:2px;
  transform:translateX(-50%);transition:transform .22s var(--ease),opacity .22s var(--ease);
}
.burger span{top:50%;margin-top:-1px}
.burger span::before{content:"";top:-6px;left:0}
.burger span::after{content:"";top:6px;left:0}

/* ---------- 移动抽屉 ---------- */
.drawer{
  position:fixed;inset:0;z-index:120;background:rgba(11,9,24,.98);
  padding:26px 24px 32px;display:flex;flex-direction:column;gap:22px;
  transform:translateX(100%);opacity:0;visibility:hidden;
  transition:transform .28s var(--ease),opacity .28s var(--ease),visibility .28s;
}
.drawer.open{transform:translateX(0);opacity:1;visibility:visible}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:var(--bg-1);
  color:var(--t-1);font-size:20px;line-height:1;display:grid;place-items:center;
  transition:border-color .2s var(--ease),color .2s var(--ease);
}
.drawer-close:hover{border-color:var(--c-primary-line);color:var(--c-primary)}
.drawer-links{display:flex;flex-direction:column;gap:4px;border-top:1px solid var(--line);padding-top:18px}
.drawer-links a{
  display:flex;align-items:center;justify-content:space-between;
  padding:15px 14px;border-radius:12px;font-size:16px;color:var(--t-2);
  border:1px solid transparent;transition:background-color .2s var(--ease),color .2s var(--ease),border-color .2s var(--ease);
}
.drawer-links a:hover,.drawer-links a.active{background:var(--bg-1);border-color:var(--line);color:var(--t-1)}
.drawer-links a.active{color:var(--c-primary);border-color:var(--c-primary-line)}
.drawer-note{font-size:13px;color:var(--t-3);margin-top:auto;line-height:1.8}

/* ---------- Hero ---------- */
.hero-sm{
  position:relative;overflow:hidden;padding:72px 0 84px;
  background:linear-gradient(180deg,rgba(11,9,24,.72) 0%,rgba(11,9,24,.94) 62%,var(--bg-0) 100%),url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  border-bottom:1px solid var(--line);
}
.hero-sm::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(0deg,rgba(242,240,255,.055) 0 1px,transparent 1px 56px),
                   repeating-linear-gradient(90deg,rgba(242,240,255,.055) 0 1px,transparent 1px 56px);
  opacity:.7;
}
.hero-sm::after{
  content:"";position:absolute;top:-220px;left:50%;width:900px;height:520px;transform:translateX(-50%);
  background:radial-gradient(circle at 50% 50%,rgba(23,230,192,.14),transparent 68%);
  pointer-events:none;
}
.hero-sm-grid{position:relative;z-index:2;display:grid;grid-template-columns:1.12fr .88fr;gap:48px;align-items:center}
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--t-3);margin-bottom:20px}
.crumb a{color:var(--t-2);transition:color .2s var(--ease)}
.crumb a:hover{color:var(--c-primary)}
.crumb span{color:var(--t-3)}
.hero-sm h1{
  font-size:clamp(2rem,3.6vw,3rem);font-weight:800;letter-spacing:-.015em;margin:16px 0 18px;max-width:680px;
}
.hero-sm h1 em{font-style:normal;color:var(--c-primary)}
.lead{font-size:17px;line-height:1.85;color:var(--t-2);max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px 22px;margin-top:30px;padding-top:22px;border-top:1px solid var(--line)}
.hero-meta li{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--t-2)}
.hero-meta li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-primary);flex-shrink:0}
.hero-panel{
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:18px;box-shadow:var(--sh-card);
}
.hero-panel .panel-media{
  border-radius:var(--r-card);overflow:hidden;border:1px solid var(--line);
  aspect-ratio:16/10;background:var(--bg-2);
}
.hero-panel .panel-media img{width:100%;height:100%;object-fit:cover}
.panel-rows{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.panel-rows li{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  padding:12px 14px;border-radius:12px;background:var(--bg-2);border:1px solid var(--line);
  font-size:13px;color:var(--t-2);
}
.panel-rows li b{color:var(--t-1);font-weight:600}
.panel-rows li .num{color:var(--c-primary);font-variant-numeric:tabular-nums}

/* ---------- 板块通用 ---------- */
.section{padding:84px 0}
.section-alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:720px;margin-bottom:42px}
.section-head h2{font-size:clamp(1.5rem,2.6vw,2.2rem);font-weight:700;margin:14px 0 14px}
.section-head p{font-size:16px;line-height:1.85;color:var(--t-2)}
.section-head-wide{max-width:none;display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap}

/* ---------- 问题分类卡 ---------- */
.topic-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.topic-card{
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;display:flex;flex-direction:column;gap:14px;height:100%;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.topic-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:transparent}
.topic-icon{
  width:42px;height:42px;border-radius:12px;display:grid;place-items:center;
  background:var(--c-primary-soft);border:1px solid var(--c-primary-line);
}
.topic-icon svg{width:20px;height:20px}
.topic-card h3{font-size:17px;font-weight:600}
.topic-card p{font-size:14px;line-height:1.8;color:var(--t-2)}
.topic-card .topic-link{
  margin-top:auto;font-size:14px;font-weight:600;color:var(--c-primary);
  display:inline-flex;align-items:center;gap:6px;transition:gap .2s var(--ease);
}
.topic-card:hover .topic-link{gap:10px}

/* ---------- 双栏：FAQ + 表单 ---------- */
.support-layout{display:grid;grid-template-columns:1.32fr .88fr;gap:34px;align-items:start}
.faq-list{display:flex;flex-direction:column;gap:14px}
.faq-item{
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-card);
  overflow:hidden;transition:border-color .22s var(--ease),box-shadow .22s var(--ease),background-color .22s var(--ease);
}
.faq-item:hover{border-color:#3A3266}
.faq-item.open{border-color:var(--c-primary-line);box-shadow:0 0 0 1px rgba(23,230,192,.18);background:#161231}
.faq-q{
  width:100%;display:flex;align-items:flex-start;justify-content:space-between;gap:18px;
  padding:20px 22px;text-align:left;font-size:16px;font-weight:600;color:var(--t-1);
  transition:color .2s var(--ease);
}
.faq-q:hover{color:var(--c-primary)}
.faq-q .chev{flex-shrink:0;width:22px;height:22px;color:var(--c-primary);transition:transform .24s var(--ease);margin-top:2px}
.faq-item.open .faq-q .chev{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;padding:0 22px;color:var(--t-2);font-size:15px;line-height:1.85;transition:max-height .3s var(--ease),padding .3s var(--ease)}
.faq-item.open .faq-a{max-height:560px;padding:0 22px 22px}
.faq-a p+p{margin-top:10px}
.faq-a strong{color:var(--t-1);font-weight:600}

.ask-card{
  position:sticky;top:98px;
  background:var(--bg-1);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:26px;box-shadow:var(--sh-card);
}
.ask-card h2{font-size:1.3rem;font-weight:700;margin:12px 0 8px}
.ask-card>p{font-size:14px;line-height:1.8;color:var(--t-2)}
.form-field{margin-top:18px}
.form-field label{display:block;font-size:13px;font-weight:600;color:var(--t-2);margin-bottom:8px}
.input,.select,.textarea{
  width:100%;background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-btn);
  padding:12px 14px;font-size:15px;color:var(--t-1);line-height:1.6;
  transition:border-color .2s var(--ease),box-shadow .2s var(--ease),background-color .2s var(--ease);
}
.textarea{min-height:110px;resize:vertical}
.input::placeholder,.textarea::placeholder{color:var(--t-3)}
.input:focus,.select:focus,.textarea:focus{outline:none;border-color:var(--c-primary);box-shadow:0 0 0 3px rgba(23,230,192,.18);background:#1F1A3E}
.input.invalid,.select.invalid,.textarea.invalid{border-color:var(--err);box-shadow:0 0 0 3px rgba(255,84,112,.16)}
.select-wrap{position:relative}
.select-wrap::after{
  content:"";position:absolute;right:16px;top:50%;width:8px;height:8px;
  border-right:1.6px solid var(--t-3);border-bottom:1.6px solid var(--t-3);
  transform:translateY(-70%) rotate(45deg);pointer-events:none;
}
.select{appearance:none;-webkit-appearance:none;padding-right:40px}
.field-err{display:none;font-size:12px;color:var(--err);margin-top:6px}
.field-err.show{display:block}
.form-hint{font-size:12px;color:var(--t-3);margin-top:14px;line-height:1.8}
.form-success{
  display:none;margin-top:16px;padding:14px 16px;border-radius:12px;
  background:var(--c-primary-soft);border:1px solid var(--c-primary-line);color:var(--c-primary);
  font-size:14px;font-weight:600;line-height:1.7;
}
.form-success.show{display:block}

/* ---------- 服务信息条 ---------- */
.info-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.info-card{
  background:var(--bg-2);border:1px solid var(--line);border-radius:var(--r-card);
  padding:24px;display:flex;flex-direction:column;gap:10px;
  transition:transform .2s var(--ease),box-shadow .2s var(--ease);
}
.info-card:hover{transform:translateY(-2px);box-shadow:var(--sh-hover)}
.info-card .label{font-size:12px;font-weight:600;letter-spacing:.08em;color:var(--c-primary);text-transform:uppercase}
.info-card h3{font-size:18px;font-weight:600}
.info-card p{font-size:14px;line-height:1.8;color:var(--t-2)}
.info-card .num{font-variant-numeric:tabular-nums;color:var(--t-1);font-weight:700}

/* ---------- 时间轴 ---------- */
.steps{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;counter-reset:step}
.step{
  position:relative;padding:26px 22px 24px;border-radius:var(--r-card);
  background:var(--bg-1);border:1px solid var(--line);
  transition:transform .2s var(--ease),box-shadow .2s var(--ease),border-color .2s var(--ease);
}
.step:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:transparent}
.step::before{
  counter-increment:step;content:counter(step,decimal-leading-zero);
  display:grid;place-items:center;width:40px;height:40px;border-radius:50%;
  background:var(--c-primary-soft);border:1px solid var(--c-primary-line);color:var(--c-primary);
  font-size:14px;font-weight:700;font-variant-numeric:tabular-nums;margin-bottom:16px;
}
.step h3{font-size:16px;font-weight:600;margin-bottom:8px}
.step p{font-size:14px;line-height:1.8;color:var(--t-2)}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-lg);border:1px solid var(--line);
  padding:52px 40px;text-align:center;
  background:linear-gradient(135deg,rgba(23,230,192,.18),rgba(255,61,127,.10) 62%,rgba(11,9,24,.6));
}
.cta-band::before{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:repeating-linear-gradient(90deg,rgba(242,240,255,.05) 0 1px,transparent 1px 64px);
}
.cta-band>*{position:relative;z-index:2}
.cta-band h2{font-size:clamp(1.45rem,2.4vw,2rem);font-weight:700;margin:16px 0 14px}
.cta-band p{font-size:16px;line-height:1.85;color:var(--t-2);max-width:660px;margin:0 auto}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:28px}
.cta-notes{display:flex;flex-wrap:wrap;gap:12px 26px;justify-content:center;margin-top:26px;padding-top:22px;border-top:1px solid var(--line)}
.cta-notes li{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--t-2)}
.cta-notes li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--c-primary)}

/* ---------- 页脚 ---------- */
.site-footer{background:#080714;border-top:1px solid var(--line);padding:64px 0 28px;margin-top:0}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:34px}
.foot-brand p{font-size:14px;line-height:1.85;color:var(--t-2);margin-top:16px;max-width:340px}
.foot-col h4{font-size:14px;font-weight:600;color:var(--t-1);margin-bottom:16px}
.foot-col ul{display:flex;flex-direction:column;gap:10px}
.foot-col li{font-size:14px;color:var(--t-2);line-height:1.7}
.foot-col a{font-size:14px;color:var(--t-2);transition:color .2s var(--ease),padding-left .2s var(--ease)}
.foot-col a:hover{color:var(--c-primary);padding-left:4px}
.foot-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line);
  font-size:13px;color:var(--t-3);
}
.foot-bottom .domain{font-variant-numeric:tabular-nums;letter-spacing:.04em}

/* ---------- 响应式 ---------- */
@media (max-width:1280px){
  .topic-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1024px){
  .container{padding:0 24px}
  .nav-links{display:none}
  .count-pill{display:none}
  .burger{display:block}
  .hero-sm{padding:56px 0 64px}
  .hero-sm-grid{grid-template-columns:1fr;gap:36px}
  .support-layout{grid-template-columns:1fr;gap:28px}
  .ask-card{position:static}
  .steps{grid-template-columns:repeat(2,1fr)}
  .foot-grid{grid-template-columns:1fr 1fr}
  .section{padding:68px 0}
}
@media (max-width:768px){
  body{font-size:15px}
  .section{padding:52px 0}
  .section-head{margin-bottom:30px}
  .hero-sm h1{margin:14px 0 14px}
  .hero-meta{gap:8px 18px;margin-top:24px;padding-top:18px}
  .info-grid{grid-template-columns:1fr}
  .cta-band{padding:38px 22px}
  .cta-actions .btn{width:100%}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .faq-q{padding:17px 18px;font-size:15px}
  .faq-a{padding:0 18px}
  .faq-item.open .faq-a{padding:0 18px 18px}
  .ask-card{padding:22px}
}
@media (max-width:640px){
  .container{padding:0 16px}
  .topic-grid{grid-template-columns:1fr}
  .steps{grid-template-columns:1fr}
  .nav-inner{height:66px;gap:14px}
  .brand-text{font-size:16px}
  .hero-actions .btn{width:100%}
  .cta-notes{flex-direction:column;align-items:flex-start;gap:10px}
  .foot-bottom{flex-direction:column;align-items:flex-start;gap:8px}
}