/* roulang page: index */
:root{
  --bg-0:#05080F;
  --bg-1:#0A1120;
  --bg-2:#0F1A2E;
  --glass:rgba(255,255,255,.05);
  --stroke:rgba(255,255,255,.10);
  --stroke-accent:rgba(45,230,200,.35);
  --accent:#2DE6C8;
  --accent-h:#56F2D8;
  --accent-2:#FF5A36;
  --text-0:#F2F6FF;
  --text-1:#C3CEDF;
  --text-2:#7C8AA3;
  --ok:#34D399;
  --warn:#FBBF24;
  --r-card:18px;
  --r-panel:24px;
  --r-btn:12px;
  --r-badge:999px;
  --shadow-card:inset 0 1px 0 rgba(255,255,255,.06), 0 24px 48px -24px rgba(0,0,0,.8);
  --glow:0 0 0 1px rgba(45,230,200,.5), 0 8px 32px -8px rgba(45,230,200,.55);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:Inter,"HarmonyOS Sans","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
h1,h2,h3,h4{margin:0;color:var(--text-0);font-weight:700;letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
table{border-collapse:collapse;width:100%}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
::selection{background:rgba(45,230,200,.28);color:#fff}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}
@media(min-width:1280px){.container{padding:0 48px}}

/* ============ 顶部活动条 ============ */
.topbar{
  position:relative;z-index:60;
  background:linear-gradient(90deg,rgba(45,230,200,.10),rgba(255,90,54,.10) 55%,rgba(45,230,200,.06));
  border-bottom:1px solid var(--stroke);
}
.topbar-inner{display:flex;align-items:center;gap:16px;min-height:44px;padding-top:6px;padding-bottom:6px}
.tag{display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:var(--r-badge);font-size:13px;line-height:1;white-space:nowrap}
.tag-live{background:rgba(255,90,54,.16);color:#FFB4A2;border:1px solid rgba(255,90,54,.42)}
.tag-live::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent-2);box-shadow:0 0 8px var(--accent-2)}
.tag-accent{background:rgba(45,230,200,.10);color:var(--accent);border:1px solid var(--stroke-accent)}
.tag-neutral{background:rgba(255,255,255,.06);color:var(--text-1);border:1px solid var(--stroke)}
.tag-ok{background:rgba(52,211,153,.12);color:var(--ok);border:1px solid rgba(52,211,153,.38)}
.countdown{display:flex;align-items:center;gap:6px;margin-left:auto;font-variant-numeric:tabular-nums}
.cd-cell{display:flex;align-items:baseline;gap:3px;background:rgba(0,0,0,.34);border:1px solid var(--stroke);border-radius:10px;padding:2px 8px}
.cd-cell b{color:var(--accent-2);font-size:14px;font-weight:700;min-width:18px;text-align:center;display:inline-block}
.cd-cell i{font-style:normal;font-size:11px;color:var(--text-2)}
.topbar-link{font-size:13px;color:var(--accent);border-bottom:1px solid transparent;transition:border-color .2s ease-out,color .2s ease-out}
.topbar-link:hover{color:var(--accent-h);border-color:var(--accent-h)}
@media(max-width:640px){
  .topbar-inner{gap:10px;min-height:auto;padding-top:8px;padding-bottom:8px}
  .topbar .tag-live{display:none}
  .topbar-link{margin-left:auto}
  .cd-cell{padding:2px 6px}
}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:50;background:rgba(5,8,15,.72);border-bottom:1px solid transparent;transition:background .25s ease-out,border-color .25s ease-out,backdrop-filter .25s ease-out}
.site-header.is-scrolled{background:rgba(5,8,15,.86);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);border-bottom-color:var(--stroke)}
.nav-inner{display:flex;align-items:center;gap:20px;min-height:68px}
.logo{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:38px;height:38px;border-radius:12px;display:grid;place-items:center;
  background:linear-gradient(140deg,var(--accent),#13A88F);
  color:#04211C;font-weight:800;font-size:17px;letter-spacing:-.04em;
  box-shadow:0 8px 24px -10px rgba(45,230,200,.75);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15;color:var(--text-0);font-weight:700;font-size:17px}
.logo-sub{font-size:11px;font-weight:500;color:var(--accent);letter-spacing:.14em}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:8px}
.nav-link{position:relative;padding:10px 12px;font-size:15px;color:var(--text-1);border-radius:10px;transition:color .2s ease-out,background .2s ease-out}
.nav-link:hover{color:var(--text-0);background:rgba(255,255,255,.05)}
.nav-link.is-active{color:var(--accent)}
.nav-link.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;border-radius:2px;background:var(--accent);box-shadow:0 0 10px rgba(45,230,200,.9)}
.nav-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.nav-toggle{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--stroke);place-items:center;margin-left:auto}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text-0);border-radius:2px;margin:2px 0}

.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:var(--r-btn);font-weight:600;transition:transform .2s ease-out,box-shadow .2s ease-out,background .2s ease-out,color .2s ease-out,border-color .2s ease-out}
.btn-primary{background:var(--accent);color:#04211C;box-shadow:var(--glow)}
.btn-primary:hover{background:var(--accent-h);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(45,230,200,.65),0 12px 38px -10px rgba(45,230,200,.8)}
.btn-primary:active{transform:translateY(0);background:#1FCFB4}
.btn-outline{border:1px solid var(--stroke-accent);color:var(--accent);background:rgba(45,230,200,.05)}
.btn-outline:hover{background:rgba(45,230,200,.12);color:var(--accent-h);border-color:var(--accent-h)}
.btn-ghost{color:var(--text-1);padding-left:6px;padding-right:6px}
.btn-ghost:hover{color:var(--accent)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn-md{height:48px;padding:0 24px;font-size:15px}
.btn-lg{height:54px;padding:0 30px;font-size:16px}

.drawer{display:none}
@media(max-width:1024px){
  .main-nav,.nav-actions{display:none}
  .nav-toggle{display:grid}
  .drawer{
    display:block;position:fixed;inset:0 0 0 auto;width:min(340px,86vw);z-index:70;
    background:rgba(8,13,24,.98);backdrop-filter:blur(18px);border-left:1px solid var(--stroke);
    transform:translateX(100%);transition:transform .28s ease-out;padding:24px 22px;overflow-y:auto;
  }
  body.nav-open .drawer{transform:translateX(0)}
  body.nav-open{overflow:hidden}
  .drawer-close{position:absolute;top:16px;right:16px;width:40px;height:40px;border-radius:12px;border:1px solid var(--stroke);display:grid;place-items:center;color:var(--text-1);font-size:18px}
  .drawer-title{font-size:12px;letter-spacing:.16em;color:var(--text-2);margin:24px 0 10px}
  .drawer-link{display:flex;align-items:center;justify-content:space-between;padding:13px 14px;border-radius:12px;border:1px solid var(--stroke);margin-bottom:8px;font-size:15px;color:var(--text-0)}
  .drawer-link.is-active{color:var(--accent);border-color:var(--stroke-accent);background:rgba(45,230,200,.08)}
  .drawer-cd{display:flex;gap:6px;margin-top:12px}
}
@media(min-width:1025px){.drawer{display:none!important}}

/* ============ 通用区块 ============ */
.section{padding:64px 0}
@media(min-width:768px){.section{padding:96px 0}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap}
.section-eyebrow{font-size:12px;letter-spacing:.18em;color:var(--accent);text-transform:uppercase;margin-bottom:12px}
.section-title{font-size:26px;line-height:1.35}
@media(min-width:768px){.section-title{font-size:28px}}
.section-desc{margin-top:12px;max-width:760px;color:var(--text-1);font-size:15px}
.hairline{height:1px;background:linear-gradient(90deg,var(--stroke-accent),rgba(255,255,255,.04));border:0;margin:0}

.card{background:var(--bg-2);border:1px solid var(--stroke);border-radius:var(--r-card);box-shadow:var(--shadow-card);transition:border-color .2s ease-out,transform .2s ease-out}
.card:hover{border-color:var(--stroke-accent);transform:translateY(-2px)}
.glass{background:rgba(255,255,255,.04);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);border:1px solid var(--stroke);border-radius:var(--r-panel)}

/* ============ Hero ============ */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--stroke)}
.hero-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(120deg,rgba(5,8,15,.94) 0%,rgba(5,8,15,.80) 45%,rgba(5,8,15,.92) 100%),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.hero-bg::after{
  content:"";position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.035) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.035) 1px,transparent 1px);
  background-size:56px 56px;mask-image:radial-gradient(circle at 65% 40%,#000 20%,transparent 78%);
  -webkit-mask-image:radial-gradient(circle at 65% 40%,#000 20%,transparent 78%);
}
.hero-inner{position:relative;display:grid;gap:40px;padding-top:64px;padding-bottom:64px}
@media(min-width:1024px){
  .hero-inner{grid-template-columns:7fr 5fr;gap:48px;padding-top:96px;padding-bottom:104px;align-items:center}
}
.hero h1{font-size:30px;line-height:1.3;font-weight:800}
@media(min-width:768px){.hero h1{font-size:38px}}
@media(min-width:1024px){.hero h1{font-size:44px;line-height:1.24}}
.hero-sub{margin-top:18px;font-size:17px;color:var(--accent);font-weight:600}
.hero-desc{margin-top:14px;max-width:640px;color:var(--text-1);font-size:15.5px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-stats{padding:24px}
@media(min-width:768px){.hero-stats{padding:28px}}
.stat-row{display:flex;align-items:baseline;justify-content:space-between;gap:16px;padding:16px 0;border-bottom:1px dashed rgba(255,255,255,.10)}
.stat-row:last-of-type{border-bottom:0}
.stat-num{font-size:30px;font-weight:800;color:var(--accent);font-variant-numeric:tabular-nums;line-height:1.1}
.stat-num small{font-size:14px;font-weight:600;margin-left:3px;color:var(--accent)}
.stat-label{font-size:14px;color:var(--text-1);text-align:right}
.hero-note{margin-top:16px;font-size:13px;color:var(--text-2)}

/* ============ 权益对比表 ============ */
.cmp-wrap{overflow-x:auto;border-radius:var(--r-panel);padding:6px}
.cmp-table{min-width:760px;font-size:15px}
.cmp-table th,.cmp-table td{padding:15px 16px;text-align:center;border-bottom:1px solid rgba(255,255,255,.08)}
.cmp-table thead th{
  font-size:13px;letter-spacing:.04em;color:var(--text-1);font-weight:600;
  background:linear-gradient(180deg,rgba(45,230,200,.10),rgba(45,230,200,0));
  border-bottom:1px solid var(--stroke-accent);
}
.cmp-table thead th:first-child{text-align:left;color:var(--text-0)}
.cmp-table tbody th[scope="row"]{
  text-align:left;color:var(--text-0);font-weight:600;font-size:15px;
  position:sticky;left:0;background:var(--bg-1);z-index:1;min-width:190px;
}
.cmp-table tbody td{color:var(--text-1);font-variant-numeric:tabular-nums}
.cmp-table tbody tr:hover td,.cmp-table tbody tr:hover th{background:rgba(255,255,255,.03)}
.cmp-table .col-hot{background:rgba(45,230,200,.07)}
.cmp-table thead th.col-hot{color:var(--accent)}
.yes{color:var(--accent);font-weight:700}
.no{color:var(--text-2)}
.hot-badge{display:block;margin-top:6px;font-size:11px;color:var(--accent-2);letter-spacing:.06em}
.cmp-foot{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px;margin-top:20px}
.cmp-foot p{font-size:13px;color:var(--text-2);max-width:620px}
@media(max-width:640px){
  .cmp-table{min-width:0;display:block}
  .cmp-table thead{display:none}
  .cmp-table tbody,.cmp-table tr,.cmp-table th,.cmp-table td{display:block;width:100%}
  .cmp-table tr{border:1px solid var(--stroke);border-radius:14px;margin-bottom:12px;padding:10px 14px;background:var(--bg-2)}
  .cmp-table th,.cmp-table td{border-bottom:0;padding:7px 0;text-align:left}
  .cmp-table tbody th[scope="row"]{position:static;background:transparent;font-size:16px;padding-bottom:10px;border-bottom:1px solid var(--stroke);margin-bottom:6px}
  .cmp-table tbody td{display:flex;justify-content:space-between;gap:12px;font-size:14px}
  .cmp-table tbody td::before{content:attr(data-label);color:var(--text-2);font-size:13px}
  .cmp-table .col-hot{background:transparent}
}

/* ============ 等级阶梯 ============ */
.level-grid{display:grid;gap:20px}
@media(min-width:900px){.level-grid{grid-template-columns:1fr 1.15fr 1fr;align-items:stretch}}
.level-card{padding:26px;display:flex;flex-direction:column;gap:14px}
.level-card.is-main{border-color:var(--stroke-accent);box-shadow:var(--glow),var(--shadow-card)}
.level-no{font-size:13px;letter-spacing:.14em;color:var(--text-2);font-variant-numeric:tabular-nums}
.level-name{font-size:20px}
.level-lv{display:inline-flex;align-items:center;height:24px;padding:0 10px;border-radius:var(--r-badge);border:1px solid var(--stroke-accent);color:var(--accent);font-size:13px;font-weight:600}
.level-list{display:flex;flex-direction:column;gap:10px;margin-top:4px}
.level-list li{display:flex;gap:10px;font-size:14.5px;color:var(--text-1)}
.level-list li::before{content:"";flex:0 0 auto;width:6px;height:6px;margin-top:9px;border-radius:2px;background:var(--accent);opacity:.85}
.level-state{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;padding-top:16px;border-top:1px solid var(--stroke);font-size:13px;color:var(--text-2)}
.steps{display:grid;gap:14px;margin-top:32px}
@media(min-width:768px){.steps{grid-template-columns:repeat(3,1fr)}}
.step{position:relative;padding:20px 22px 20px 26px;border-left:2px solid rgba(45,230,200,.35);background:linear-gradient(90deg,rgba(45,230,200,.06),transparent 70%);border-radius:0 14px 14px 0}
.step b{display:block;color:var(--text-0);font-size:15px;margin-bottom:6px}
.step span{font-size:14px;color:var(--text-2)}

/* ============ 专属内容预览 ============ */
.content-grid{display:grid;gap:18px}
@media(min-width:640px){.content-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.content-grid{grid-template-columns:repeat(6,1fr)}}
.cover-card{position:relative;overflow:hidden;border-radius:var(--r-card);border:1px solid var(--stroke);background:var(--bg-2);display:block}
.cover-card img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out;aspect-ratio:16/10}
.cover-card:hover img{transform:scale(1.04)}
.cover-card:hover{border-color:var(--stroke-accent)}
.cover-mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,8,15,0) 28%,rgba(5,8,15,.92) 100%)}
.cover-meta{position:absolute;left:18px;right:18px;bottom:16px;display:flex;flex-direction:column;gap:8px}
.cover-meta h3{font-size:16px;line-height:1.45}
.cover-meta p{font-size:13px;color:var(--text-2)}
.span-3{grid-column:span 1}
@media(min-width:1024px){
  .span-3{grid-column:span 3}
  .span-2{grid-column:span 2}
}
@media(min-width:640px) and (max-width:1023px){
  .span-3,.span-2{grid-column:span 1}
}

/* ============ 资讯列表 ============ */
.news-grid{display:grid;gap:20px}
@media(min-width:700px){.news-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.news-grid{grid-template-columns:repeat(3,1fr)}}
.news-card{display:flex;flex-direction:column;overflow:hidden;background:var(--bg-2);border:1px solid var(--stroke);border-radius:var(--r-card);box-shadow:var(--shadow-card);transition:border-color .2s ease-out,transform .2s ease-out}
.news-card:hover{border-color:var(--stroke-accent);transform:translateY(-2px)}
.news-thumb{position:relative;display:block;overflow:hidden}
.news-thumb img{aspect-ratio:16/10;width:100%;object-fit:cover;transition:transform .35s ease-out}
.news-card:hover .news-thumb img{transform:scale(1.03)}
.news-thumb .tag{position:absolute;left:12px;top:12px;background:rgba(5,8,15,.72);backdrop-filter:blur(8px)}
.news-body{padding:20px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-body h3{font-size:17px;line-height:1.5}
.news-body h3 a:hover{color:var(--accent)}
.news-body p{font-size:14.5px;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.news-meta{margin-top:auto;padding-top:14px;border-top:1px solid var(--stroke);font-size:13px;color:var(--text-2);display:flex;justify-content:space-between;gap:12px}
.empty-state{grid-column:1/-1;min-height:240px;display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;border:1px dashed var(--stroke);border-radius:var(--r-card);color:var(--text-2);text-align:center;padding:32px}
.empty-state svg{opacity:.6}

/* ============ 评价 ============ */
.quote-grid{display:grid;gap:18px}
@media(min-width:768px){.quote-grid{grid-template-columns:repeat(3,1fr)}}
.quote{padding:24px;display:flex;flex-direction:column;gap:14px}
.quote p{font-size:15px;color:var(--text-1)}
.quote footer{display:flex;align-items:center;gap:12px;padding-top:14px;border-top:1px solid var(--stroke);font-size:13px;color:var(--text-2)}
.avatar{width:34px;height:34px;border-radius:50%;background:linear-gradient(140deg,rgba(45,230,200,.9),#116B5C);display:grid;place-items:center;color:#04211C;font-weight:700;font-size:14px}
.stars{color:var(--accent-2);letter-spacing:2px;font-size:13px}

/* ============ FAQ ============ */
.faq-grid{display:grid;gap:0}
@media(min-width:900px){.faq-grid{grid-template-columns:repeat(2,1fr);gap:0 40px}}
.faq-item{border-bottom:1px solid var(--stroke);padding:0}
.faq-item summary{
  list-style:none;cursor:pointer;padding:20px 32px 20px 18px;position:relative;
  color:var(--text-0);font-size:16px;font-weight:600;transition:color .2s ease-out;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";position:absolute;right:12px;top:50%;transform:translateY(-50%);color:var(--accent);font-size:20px;font-weight:400;transition:transform .2s ease-out}
.faq-item[open] summary::after{content:"–"}
.faq-item summary::before{content:"";position:absolute;left:0;top:18px;bottom:18px;width:2px;border-radius:2px;background:var(--accent);opacity:0;transition:opacity .2s ease-out}
.faq-item[open] summary::before{opacity:1}
.faq-item summary:hover{color:var(--accent)}
.faq-answer{padding:0 32px 22px 18px;max-width:720px;font-size:14.5px;color:var(--text-1)}

/* ============ CTA ============ */
.cta-panel{position:relative;overflow:hidden;border-radius:var(--r-panel);border:1px solid var(--stroke)}
.cta-bg{position:absolute;inset:0;background-image:linear-gradient(120deg,rgba(5,8,15,.94),rgba(5,8,15,.76)),url('/assets/images/backpic/back-2.webp');background-size:cover;background-position:center}
.cta-body{position:relative;padding:36px 24px;display:grid;gap:28px}
@media(min-width:768px){.cta-body{padding:52px 44px}}
@media(min-width:1024px){.cta-body{grid-template-columns:1.4fr 1fr;align-items:center}}
.cta-body h2{font-size:26px}
@media(min-width:768px){.cta-body h2{font-size:30px}}
.cta-list{display:flex;flex-wrap:wrap;gap:10px;margin-top:20px}
.cta-list li{display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:var(--r-badge);border:1px solid var(--stroke);background:rgba(255,255,255,.05);font-size:13.5px;color:var(--text-1)}
.cta-list li::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--accent)}
.cta-actions{display:flex;flex-direction:column;gap:14px}
.cta-cd{display:flex;gap:8px;font-variant-numeric:tabular-nums}
.cta-cd .cd-cell{background:rgba(0,0,0,.42)}

/* ============ 页脚 ============ */
.site-footer{margin-top:24px;border-top:1px solid var(--stroke);background:var(--bg-1)}
.footer-grid{display:grid;gap:36px;padding:56px 0 40px}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr}}
.footer-title{font-size:13px;letter-spacing:.14em;color:var(--text-2);margin-bottom:16px}
.footer-brand p{font-size:14px;color:var(--text-2);max-width:340px;margin-top:14px}
.footer-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:18px}
.footer-tags a{font-size:12.5px;padding:4px 10px;border-radius:var(--r-badge);border:1px solid var(--stroke);color:var(--text-2);transition:color .2s ease-out,border-color .2s ease-out}
.footer-tags a:hover{color:var(--accent);border-color:var(--stroke-accent)}
.footer-col li{margin-bottom:10px}
.footer-col a{font-size:14.5px;color:var(--text-1);transition:color .2s ease-out}
.footer-col a:hover{color:var(--accent)}
.footer-note{font-size:14px;color:var(--text-2);line-height:1.9}
.footer-bottom{border-top:1px solid var(--stroke);padding:20px 0 28px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;font-size:13px;color:var(--text-2)}
.footer-bottom a:hover{color:var(--accent)}

@media(prefers-reduced-motion:reduce){
  *{transition:none!important;animation:none!important;scroll-behavior:auto!important}
  .card:hover,.news-card:hover,.btn-primary:hover{transform:none}
  .cover-card:hover img,.news-card:hover .news-thumb img{transform:none}
}

/* roulang page: article */
:root{
  --bg-0:#05080F;
  --bg-1:#0A1120;
  --bg-2:#0F1A2E;
  --glass:rgba(255,255,255,.05);
  --stroke:rgba(255,255,255,.10);
  --stroke-accent:rgba(45,230,200,.35);
  --accent:#2DE6C8;
  --accent-hover:#56F2D8;
  --accent-2:#FF5A36;
  --text-0:#F2F6FF;
  --text-1:#C3CEDF;
  --text-2:#7C8AA3;
  --success:#34D399;
  --warn:#FBBF24;
  --r-card:18px;
  --r-panel:24px;
  --r-btn:12px;
  --shadow-card:inset 0 1px 0 rgba(255,255,255,.06), 0 24px 48px -24px rgba(0,0,0,.8);
  --glow:0 0 0 1px rgba(45,230,200,.5), 0 8px 32px -8px rgba(45,230,200,.55);
  --font:Inter,"HarmonyOS Sans","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;background:var(--bg-0);color:var(--text-1);font-family:var(--font);
  font-size:16px;line-height:1.7;-webkit-font-smoothing:antialiased;
  background-image:radial-gradient(900px 480px at 12% -8%,rgba(45,230,200,.10),transparent 70%),
                   radial-gradient(760px 420px at 92% 4%,rgba(255,90,54,.07),transparent 72%);
  background-repeat:no-repeat;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit;cursor:pointer}
h1,h2,h3,h4{margin:0;color:var(--text-0);letter-spacing:-.01em}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
input,textarea,select{font-family:inherit;font-size:15px}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:8px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:768px){.container{padding:0 32px}}
@media (min-width:1280px){.container{padding:0 48px}}

/* ---------- 顶部活动条 ---------- */
.topbar{
  position:relative;z-index:60;
  background:linear-gradient(90deg,rgba(45,230,200,.14),rgba(255,90,54,.10) 58%,rgba(255,255,255,0) 100%);
  border-bottom:1px solid var(--stroke);
}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:14px;min-height:46px;flex-wrap:wrap}
.status-tag{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 11px;border-radius:999px;
  background:var(--glass);border:1px solid var(--stroke-accent);color:var(--accent);
  font-size:12.5px;letter-spacing:.02em;white-space:nowrap
}
.countdown{display:flex;align-items:center;gap:6px}
.cd-cell{
  display:inline-flex;align-items:baseline;gap:3px;padding:2px 9px;border-radius:999px;
  background:rgba(255,255,255,.05);border:1px solid var(--stroke);
  font-variant-numeric:tabular-nums
}
.cd-cell b{color:var(--accent-2);font-size:13px;font-weight:800}
.cd-cell em{font-style:normal;color:var(--text-2);font-size:11px}
.topbar-cta{
  display:inline-flex;align-items:center;gap:7px;font-size:13.5px;color:var(--accent);
  border-bottom:1px solid transparent;transition:color .2s ease-out,border-color .2s ease-out
}
.topbar-cta:hover{color:var(--accent-hover);border-bottom-color:var(--accent-hover)}
@media (max-width:640px){
  .status-tag{display:none}
  .topbar-inner{justify-content:space-between}
}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:55;background:rgba(5,8,15,.72);
  border-bottom:1px solid transparent;transition:background .25s ease-out,border-color .25s ease-out
}
.site-header.is-scrolled{
  background:rgba(5,8,15,.92);backdrop-filter:blur(16px);-webkit-backdrop-filter:blur(16px);
  border-bottom-color:var(--stroke)
}
.header-inner{display:flex;align-items:center;justify-content:space-between;gap:18px;min-height:72px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:11px;display:grid;place-items:center;
  background:linear-gradient(135deg,var(--accent),#17A38D);color:#04110E;font-size:15px;
  box-shadow:0 0 0 1px rgba(45,230,200,.45),0 10px 26px -10px rgba(45,230,200,.65)
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{color:var(--text-0);font-size:17px;font-weight:800}
.brand-text small{color:var(--accent);font-size:11px;letter-spacing:.18em}
.main-nav{display:none}
.nav-link{
  position:relative;display:block;padding:9px 14px;border-radius:10px;font-size:14.5px;
  color:var(--text-1);transition:color .2s ease-out,background .2s ease-out;white-space:nowrap
}
.nav-link:hover{color:var(--text-0);background:rgba(255,255,255,.05)}
.nav-link.is-active{color:var(--text-0)}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;border-radius:2px;
  background:var(--accent);box-shadow:0 0 10px rgba(45,230,200,.9)
}
.header-actions{display:flex;align-items:center;gap:10px}
.nav-toggle{
  width:40px;height:40px;border-radius:11px;border:1px solid var(--stroke);
  background:var(--glass);color:var(--text-0);font-size:16px;display:grid;place-items:center;
  transition:border-color .2s ease-out,color .2s ease-out
}
.nav-toggle:hover{border-color:var(--stroke-accent);color:var(--accent)}
.nav-drawer-extra{display:none}
@media (min-width:1024px){
  .main-nav{display:flex;align-items:center;gap:2px}
  .nav-toggle{display:none}
}
@media (max-width:1023px){
  .main-nav{
    position:fixed;top:0;right:0;bottom:0;width:min(330px,88vw);z-index:70;
    display:flex;flex-direction:column;gap:2px;padding:86px 22px 32px;overflow-y:auto;
    background:rgba(10,17,32,.98);backdrop-filter:blur(18px);-webkit-backdrop-filter:blur(18px);
    border-left:1px solid var(--stroke);transform:translateX(103%);
    transition:transform .3s ease-out
  }
  .main-nav.is-open{transform:translateX(0)}
  .nav-link{padding:13px 12px;font-size:15px;border-bottom:1px solid rgba(255,255,255,.06);border-radius:0}
  .nav-link.is-active::after{left:12px;right:auto;width:22px;bottom:10px}
  .nav-drawer-extra{display:block;margin-top:22px;padding-top:18px;border-top:1px solid var(--stroke)}
  .drawer-label{font-size:12px;color:var(--text-2);letter-spacing:.08em;margin-bottom:8px}
  .drawer-cd{
    display:flex;align-items:center;gap:8px;font-variant-numeric:tabular-nums;
    color:var(--text-1);font-size:13.5px;margin-bottom:16px
  }
  .drawer-cd b{color:var(--accent-2)}
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:11px 20px;border-radius:var(--r-btn);font-size:14.5px;font-weight:600;
  border:1px solid transparent;transition:transform .2s ease-out,box-shadow .2s ease-out,
  background .2s ease-out,border-color .2s ease-out,color .2s ease-out;white-space:nowrap
}
.btn-primary{background:var(--accent);color:#04110E;box-shadow:var(--glow)}
.btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(86,242,216,.6),0 12px 40px -8px rgba(45,230,200,.7)}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(45,230,200,.45),0 4px 16px -6px rgba(45,230,200,.5)}
.btn-outline{background:transparent;border-color:var(--stroke-accent);color:var(--accent)}
.btn-outline:hover{background:rgba(45,230,200,.10);border-color:var(--accent);color:var(--accent-hover)}
.btn-ghost{background:transparent;color:var(--text-1);padding-left:10px;padding-right:10px}
.btn-ghost:hover{color:var(--accent)}
.btn-block{width:100%}
.btn[disabled]{opacity:.45;cursor:not-allowed;box-shadow:none}
.btn-sm{padding:9px 15px;font-size:13.5px}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 11px;border-radius:999px;
  font-size:12.5px;line-height:1;white-space:nowrap
}
.badge-cat{background:rgba(255,255,255,.06);border:1px solid var(--stroke);color:var(--accent);letter-spacing:.03em}
.badge-limit{background:var(--accent-2);color:#1A0703;font-weight:700}
.badge-level{background:transparent;border:1px solid var(--stroke-accent);color:var(--accent)}
.badge-soft{background:rgba(255,255,255,.05);border:1px solid var(--stroke);color:var(--text-2)}
.badge-in{color:var(--success);border:1px solid rgba(52,211,153,.45);background:rgba(52,211,153,.08)}
.badge-out{color:var(--text-2);border:1px solid var(--stroke);background:rgba(255,255,255,.03)}

/* ---------- 页面 Hero ---------- */
.page-hero{position:relative;overflow:hidden;border-bottom:1px solid var(--stroke)}
.page-hero-bg{
  position:absolute;inset:0;background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;opacity:.30
}
.page-hero::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(5,8,15,.96) 0%,rgba(5,8,15,.82) 55%,rgba(5,8,15,.94) 100%),
             repeating-linear-gradient(90deg,rgba(255,255,255,.035) 0 1px,transparent 1px 80px)
}
.page-hero-inner{position:relative;z-index:2;padding:44px 0 52px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2);margin-bottom:20px;flex-wrap:wrap}
.breadcrumb a{color:var(--text-2);transition:color .2s ease-out}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb i{font-size:10px;color:var(--accent)}
.breadcrumb .current{color:var(--text-1)}
.page-hero h1{
  font-size:30px;line-height:38px;font-weight:800;max-width:860px;margin:14px 0 18px;letter-spacing:-.01em
}
@media (min-width:768px){.page-hero h1{font-size:40px;line-height:48px}}
.meta-row{display:flex;align-items:center;gap:14px;flex-wrap:wrap;font-size:13.5px;color:var(--text-2)}
.meta-row span{display:inline-flex;align-items:center;gap:7px}
.meta-row i{color:var(--accent);font-size:12px}
.meta-dot{width:4px;height:4px;border-radius:50%;background:var(--text-2);display:inline-block}

/* ---------- 文章布局 ---------- */
.section{padding:64px 0}
@media (min-width:768px){.section{padding:80px 0}}
.article-wrap{padding:48px 0 64px}
@media (min-width:768px){.article-wrap{padding:64px 0 88px}}
.article-grid{display:grid;grid-template-columns:minmax(0,1fr);gap:36px;align-items:start}
@media (min-width:1280px){
  .article-grid{grid-template-columns:minmax(0,760px) 300px;gap:56px;justify-content:center}
}

/* ---------- 正文排版 ---------- */
.article-body{font-size:16px;line-height:1.8;color:var(--text-1);max-width:760px}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 20px}
.article-body h2{
  position:relative;font-size:22px;line-height:30px;font-weight:700;color:var(--text-0);
  margin:44px 0 18px;padding-left:15px
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:4px;bottom:4px;width:3px;border-radius:3px;
  background:var(--accent);box-shadow:0 0 12px rgba(45,230,200,.7)
}
@media (min-width:768px){.article-body h2{font-size:28px;line-height:36px}}
.article-body h3{font-size:20px;line-height:28px;font-weight:600;color:var(--text-0);margin:32px 0 14px}
.article-body h4{font-size:17px;font-weight:600;color:var(--text-0);margin:24px 0 12px}
.article-body ul,.article-body ol{margin:0 0 22px;padding-left:0}
.article-body li{margin:0 0 10px;padding-left:20px;position:relative}
.article-body ul>li::before{
  content:"";position:absolute;left:2px;top:12px;width:6px;height:6px;border-radius:2px;
  background:var(--accent);box-shadow:0 0 8px rgba(45,230,200,.6)
}
.article-body ol{counter-reset:ol}
.article-body ol>li{counter-increment:ol}
.article-body ol>li::before{
  content:counter(ol,decimal-leading-zero);position:absolute;left:0;top:0;
  color:var(--accent);font-size:13px;font-weight:700;letter-spacing:.04em
}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;background:var(--bg-2);border-left:2px solid var(--accent);
  border-radius:0 14px 14px 0;color:var(--text-1)
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;margin:26px 0;box-shadow:var(--shadow-card)}
.article-body figure{margin:26px 0}
.article-body figure img{margin:0 0 10px}
.article-body figcaption{font-size:13px;line-height:1.6;color:var(--text-2);text-align:center}
.article-body a{color:var(--accent);text-decoration:underline;text-underline-offset:3px}
.article-body a:hover{color:var(--accent-hover)}
.article-body strong{color:var(--text-0);font-weight:600}
.article-body hr{border:0;border-top:1px solid var(--stroke);margin:36px 0}
.article-body code{
  background:rgba(255,255,255,.06);border:1px solid var(--stroke);border-radius:6px;
  padding:1px 6px;font-size:14px;color:var(--accent)
}
.article-body pre{
  background:var(--bg-1);border:1px solid var(--stroke);border-radius:14px;
  padding:16px 18px;overflow-x:auto;margin:24px 0
}
.article-body pre code{background:none;border:0;color:var(--text-1);padding:0}
.article-body table{
  width:100%;border-collapse:collapse;margin:26px 0;font-size:14px;
  background:var(--bg-2);border:1px solid var(--stroke);border-radius:14px;overflow:hidden
}
.article-body thead th{
  background:rgba(45,230,200,.07);color:var(--text-0);font-size:13px;letter-spacing:.04em;
  text-align:left;padding:13px 14px;border-bottom:1px solid var(--stroke);white-space:nowrap
}
.article-body tbody td{padding:12px 14px;border-bottom:1px solid rgba(255,255,255,.08);color:var(--text-1)}
.article-body tbody tr:last-child td{border-bottom:0}
@media (max-width:640px){
  .article-body table{display:block;overflow-x:auto;-webkit-overflow-scrolling:touch}
}

/* ---------- 侧栏 ---------- */
.article-side{display:flex;flex-direction:column;gap:18px}
@media (min-width:1280px){
  .article-side{position:sticky;top:104px;align-self:start;max-height:calc(100vh - 120px);overflow-y:auto;padding-right:4px}
}
.side-card{
  background:var(--bg-2);border:1px solid var(--stroke);border-radius:var(--r-card);
  padding:20px 20px 18px;box-shadow:var(--shadow-card)
}
.side-card--glass{
  background:rgba(255,255,255,.04);backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);border-color:rgba(255,255,255,.10)
}
.side-card h3{
  font-size:14px;font-weight:700;color:var(--text-0);letter-spacing:.03em;margin-bottom:14px;
  display:flex;align-items:center;gap:8px
}
.side-card h3 i{color:var(--accent);font-size:13px}
.toc-list li{margin-bottom:9px}
.toc-list a{font-size:13.5px;color:var(--text-1);transition:color .2s ease-out;display:block;line-height:1.55}
.toc-list a:hover{color:var(--accent)}
.tag-row{display:flex;flex-wrap:wrap;gap:8px}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 11px;border-radius:999px;
  font-size:12.5px;color:var(--accent);background:rgba(255,255,255,.05);
  border:1px solid var(--stroke);transition:border-color .2s ease-out,color .2s ease-out
}
.tag:hover{border-color:var(--stroke-accent);color:var(--accent-hover)}
.side-level{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.level-num{
  font-size:26px;font-weight:800;color:var(--accent);font-variant-numeric:tabular-nums;line-height:1
}
.level-num small{font-size:13px;color:var(--text-2);font-weight:600;margin-left:2px}
.side-desc{font-size:13.5px;color:var(--text-2);line-height:1.7;margin-bottom:16px}
.side-cta-text{font-size:13.5px;color:var(--text-2);line-height:1.7;margin:12px 0 0}

/* ---------- 空态 ---------- */
.empty-state{
  border:1px dashed var(--stroke);border-radius:var(--r-panel);background:var(--bg-1);
  padding:56px 28px;text-align:center;max-width:760px
}
.empty-state i{font-size:34px;color:var(--text-2);margin-bottom:16px;display:block}
.empty-state h2{font-size:20px;margin-bottom:12px}
.empty-state p{font-size:14.5px;color:var(--text-2);margin-bottom:22px}

/* ---------- 卡片网格 ---------- */
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:30px;flex-wrap:wrap}
.section-head h2{font-size:24px;font-weight:700}
@media (min-width:768px){.section-head h2{font-size:28px;line-height:36px}}
.section-head p{font-size:14.5px;color:var(--text-2);margin-top:8px}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--accent);
  transition:gap .2s ease-out,color .2s ease-out
}
.link-arrow:hover{gap:12px;color:var(--accent-hover)}
.card-grid{display:grid;grid-template-columns:1fr;gap:22px}
@media (min-width:640px){.card-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.card-grid{grid-template-columns:repeat(3,minmax(0,1fr))}}
.card{
  display:flex;flex-direction:column;background:var(--bg-2);border:1px solid var(--stroke);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--shadow-card);
  transition:border-color .2s ease-out,transform .2s ease-out
}
.card:hover{border-color:var(--stroke-accent);transform:translateY(-2px)}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--bg-1)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out}
.card:hover .card-media img{transform:scale(1.03)}
.card-media::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(5,8,15,0) 42%,rgba(5,8,15,.75) 100%)
}
.card-media .badge{position:absolute;left:14px;top:14px;z-index:2}
.card-body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-body h3{font-size:17px;line-height:25px;font-weight:600;color:var(--text-0)}
.card:hover .card-body h3{color:var(--accent)}
.card-body p{font-size:14px;line-height:1.7;color:var(--text-2);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  margin-top:auto;font-size:13px;color:var(--text-2)
}
.card-foot i{color:var(--accent)}

/* ---------- FAQ ---------- */
.faq-list{border-top:1px solid var(--stroke)}
.faq-item{border-bottom:1px solid var(--stroke)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:20px 0;font-size:16.5px;font-weight:600;color:var(--text-0);
  transition:color .2s ease-out
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--accent)}
.faq-item summary .fa-plus{color:var(--accent);font-size:13px;transition:transform .25s ease-out}
.faq-item[open] summary .fa-plus{transform:rotate(45deg)}
.faq-item .faq-answer{
  position:relative;padding:0 0 22px 16px;font-size:14.5px;line-height:1.8;color:var(--text-1);max-width:720px
}
.faq-item[open] .faq-answer::before{
  content:"";position:absolute;left:0;top:2px;bottom:22px;width:2px;border-radius:2px;background:var(--accent)
}

/* ---------- CTA 区 ---------- */
.cta-band{position:relative;overflow:hidden;border-radius:var(--r-panel);border:1px solid var(--stroke)}
.cta-band-bg{
  position:absolute;inset:0;background-image:url('/assets/images/backpic/back-3.png');
  background-size:cover;background-position:center;opacity:.34
}
.cta-band::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(5,8,15,.94),rgba(5,8,15,.78) 55%,rgba(5,8,15,.94))
}
.cta-band-inner{position:relative;z-index:2;padding:38px 26px;display:grid;gap:26px}
@media (min-width:768px){.cta-band-inner{padding:52px 46px}}
@media (min-width:1024px){.cta-band-inner{grid-template-columns:minmax(0,1fr) 300px;align-items:center;gap:44px}}
.cta-band h2{font-size:24px;line-height:32px;font-weight:800;margin-bottom:14px}
@media (min-width:768px){.cta-band h2{font-size:30px;line-height:38px}}
.cta-band p{font-size:15px;color:var(--text-1);max-width:560px}
.cta-points{display:grid;gap:10px;margin-top:20px}
@media (min-width:640px){.cta-points{grid-template-columns:repeat(3,minmax(0,1fr))}}
.cta-point{
  display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--text-1);
  background:rgba(255,255,255,.04);border:1px solid var(--stroke);border-radius:12px;padding:11px 13px
}
.cta-point i{color:var(--accent)}
.cta-box{
  background:rgba(255,255,255,.04);border:1px solid rgba(255,255,255,.10);border-radius:var(--r-card);
  padding:22px;backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px)
}
.cta-box .cd-line{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2);margin-bottom:14px}
.cta-box .cd-line b{color:var(--accent-2);font-variant-numeric:tabular-nums}
.cta-box .btn+.btn{margin-top:10px}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--stroke);background:var(--bg-1);margin-top:24px}
.footer-grid{display:grid;grid-template-columns:1fr;gap:34px;padding:56px 0 34px}
@media (min-width:768px){.footer-grid{grid-template-columns:repeat(2,minmax(0,1fr))}}
@media (min-width:1024px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr 1fr;gap:40px}}
.footer-brand p{font-size:14px;line-height:1.8;color:var(--text-2);margin:16px 0 18px;max-width:340px}
.member-strip{
  display:inline-flex;align-items:center;gap:10px;padding:8px 14px 8px 8px;border-radius:999px;
  background:var(--glass);border:1px solid var(--stroke);font-size:13px;color:var(--text-1)
}
.avatar{
  width:28px;height:28px;border-radius:50%;display:grid;place-items:center;flex-shrink:0;
  background:linear-gradient(135deg,var(--accent),#149B85);color:#04110E;font-size:13px;font-weight:700
}
.footer-col h3{font-size:14px;font-weight:700;color:var(--text-0);letter-spacing:.04em;margin-bottom:16px}
.footer-col li{margin-bottom:11px}
.footer-col a{font-size:14px;color:var(--text-2);transition:color .2s ease-out}
.footer-col a:hover{color:var(--accent)}
.footer-col .plain{font-size:14px;color:var(--text-2)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  border-top:1px solid var(--stroke);padding:20px 0 30px;font-size:13px;color:var(--text-2)
}

@media (prefers-reduced-motion:reduce){
  *{animation-duration:.01ms !important;transition-duration:.01ms !important}
  html{scroll-behavior:auto}
}

/* roulang page: category1 */
:root{
  --bg-0:#05080F;
  --bg-1:#0A1120;
  --bg-2:#0F1A2E;
  --glass:rgba(255,255,255,.05);
  --stroke:rgba(255,255,255,.10);
  --stroke-accent:rgba(45,230,200,.35);
  --accent:#2DE6C8;
  --accent-hi:#56F2D8;
  --accent-2:#FF5A36;
  --text-0:#F2F6FF;
  --text-1:#C3CEDF;
  --text-2:#7C8AA3;
  --ok:#34D399;
  --warn:#FBBF24;
  --r-card:18px;
  --r-panel:24px;
  --r-btn:12px;
  --r-pill:999px;
  --shadow-card:inset 0 1px 0 rgba(255,255,255,.06), 0 24px 48px -24px rgba(0,0,0,.8);
  --shadow-glow:0 0 0 1px rgba(45,230,200,.5), 0 8px 32px -8px rgba(45,230,200,.55);
  --container:1200px;
  --gap:24px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:Inter,"HarmonyOS Sans","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:16px;
  line-height:1.75;
  overflow-x:hidden;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit;background:none;border:0}
h1,h2,h3,h4{margin:0;color:var(--text-0);font-weight:700;letter-spacing:-.01em;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
table{border-collapse:collapse}
::selection{background:rgba(45,230,200,.28);color:#04140F}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:4px}
.num{font-variant-numeric:tabular-nums}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.skip-link{
  position:absolute;left:16px;top:-60px;z-index:200;
  background:var(--accent);color:#04231F;font-weight:700;
  padding:10px 16px;border-radius:var(--r-btn);transition:top .2s ease-out;
}
.skip-link:focus{top:12px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}
@media(min-width:1280px){.container{padding:0 48px}}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 22px;border-radius:var(--r-btn);
  font-size:15px;font-weight:700;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background-color .2s ease-out,color .2s ease-out,border-color .2s ease-out;
  white-space:nowrap;
}
.btn-primary{background:var(--accent);color:#04231F;box-shadow:var(--shadow-glow)}
.btn-primary:hover{background:var(--accent-hi);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(45,230,200,.75),0 14px 44px -8px rgba(45,230,200,.7)}
.btn-primary:active{transform:translateY(0);background:#20cdb2;box-shadow:0 0 0 1px rgba(45,230,200,.55),0 6px 18px -6px rgba(45,230,200,.55)}
.btn-outline{border-color:var(--stroke-accent);color:var(--accent);background:transparent}
.btn-outline:hover{background:rgba(45,230,200,.09);border-color:var(--accent);transform:translateY(-1px)}
.btn-outline:active{transform:translateY(0);background:rgba(45,230,200,.16)}
.btn-ghost{color:var(--text-1);padding:0 6px}
.btn-ghost:hover{color:var(--accent)}
.btn-sm{height:38px;padding:0 16px;font-size:14px}
.btn[disabled],.btn.is-disabled{opacity:.45;cursor:not-allowed;box-shadow:none;transform:none}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  height:24px;padding:0 10px;border-radius:var(--r-pill);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;white-space:nowrap;
}
.badge-live{background:var(--accent-2);color:#1A0700;font-weight:800}
.badge-level{border:1px solid var(--stroke-accent);color:var(--accent);background:rgba(45,230,200,.07)}
.badge-tag{background:rgba(255,255,255,.06);color:var(--accent)}
.badge-ok{color:var(--ok);border:1px solid rgba(52,211,153,.4);background:rgba(52,211,153,.08)}
.badge-mute{background:rgba(255,255,255,.06);color:var(--text-2)}

/* ---------- 顶部活动条 ---------- */
.promo-bar{
  background:linear-gradient(90deg,rgba(45,230,200,.10),rgba(255,90,54,.10) 60%,rgba(5,8,15,0));
  border-bottom:1px solid var(--stroke);
  position:relative;z-index:70;
}
.promo-inner{display:flex;align-items:center;gap:16px;min-height:50px;flex-wrap:wrap;padding-top:6px;padding-bottom:6px}
.countdown{display:flex;align-items:center;gap:6px;margin-left:auto}
.cd-cell{
  display:flex;align-items:baseline;gap:3px;
  background:rgba(255,255,255,.05);border:1px solid var(--stroke);
  border-radius:10px;padding:3px 9px;
}
.cd-cell b{font-size:15px;color:var(--text-0);font-variant-numeric:tabular-nums;font-weight:800}
.cd-cell i{font-style:normal;font-size:11.5px;color:var(--text-2)}
.cd-sep{color:var(--text-2);font-size:13px}
.promo-link{color:var(--accent);font-size:14px;font-weight:700;display:inline-flex;align-items:center;gap:4px}
.promo-link:hover{color:var(--accent-hi);text-decoration:underline;text-underline-offset:4px}
@media(max-width:640px){
  .promo-bar .badge-live{display:none}
  .countdown{margin-left:0}
  .promo-inner{gap:10px;justify-content:space-between}
}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  border-bottom:1px solid transparent;
  transition:background-color .25s ease-out,border-color .25s ease-out,backdrop-filter .25s ease-out;
}
.site-header.is-scrolled{
  background:rgba(5,8,15,.82);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom-color:var(--stroke);
}
.nav-inner{display:flex;align-items:center;gap:20px;min-height:72px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,var(--accent),#0d8f7d);
  color:#04231F;font-weight:900;font-size:18px;
  box-shadow:0 0 0 1px rgba(45,230,200,.45),0 10px 26px -12px rgba(45,230,200,.8);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text b{color:var(--text-0);font-size:16.5px;font-weight:800;letter-spacing:.01em}
.brand-text i{font-style:normal;font-size:11.5px;color:var(--accent);letter-spacing:.14em}
.main-nav{display:none;align-items:center;gap:26px;margin-left:14px}
.nav-link{
  position:relative;padding:6px 2px;font-size:15px;color:var(--text-1);
  transition:color .2s ease-out;font-weight:500;
}
.nav-link:hover{color:var(--text-0)}
.nav-link.is-active{color:var(--accent);font-weight:700}
.nav-link.is-active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  bottom:-3px;width:18px;height:2px;border-radius:2px;
  background:var(--accent);box-shadow:0 0 10px var(--accent);
}
.nav-actions{display:none;align-items:center;gap:10px;margin-left:auto}
.nav-toggle{
  margin-left:auto;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--stroke);background:var(--glass);
  display:grid;place-content:center;gap:4px;cursor:pointer;
}
.nav-toggle span{display:block;width:18px;height:2px;border-radius:2px;background:var(--text-0);transition:transform .2s ease-out,opacity .2s ease-out}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-6px) rotate(-45deg)}
@media(min-width:1024px){
  .main-nav{display:flex}
  .nav-actions{display:flex}
  .nav-toggle{display:none}
}

/* ---------- 抽屉 ---------- */
.drawer-backdrop{
  position:fixed;inset:0;z-index:80;
  background:rgba(3,6,12,.68);
  backdrop-filter:blur(3px);
  opacity:0;transition:opacity .25s ease-out;
}
.drawer-backdrop.is-open{opacity:1}
.drawer{
  position:fixed;top:0;right:0;bottom:0;z-index:90;
  width:min(86vw,340px);
  background:var(--bg-1);
  border-left:1px solid var(--stroke);
  transform:translateX(102%);
  transition:transform .28s ease-out;
  display:flex;flex-direction:column;
  padding:20px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-bottom:18px}
.drawer-close{width:36px;height:36px;border-radius:10px;border:1px solid var(--stroke);background:var(--glass);cursor:pointer;color:var(--text-0);font-size:18px;line-height:1}
.drawer-count{
  border:1px solid var(--stroke);border-radius:14px;
  background:var(--glass);padding:12px 14px;margin-bottom:18px;
}
.drawer-count p{font-size:12.5px;color:var(--text-2);margin-bottom:8px}
.drawer-nav{display:flex;flex-direction:column;gap:4px;margin-bottom:20px}
.drawer-item{padding:11px 12px;border-radius:10px;font-size:15px;color:var(--text-1);transition:background-color .2s ease-out,color .2s ease-out}
.drawer-item:hover{background:rgba(255,255,255,.05);color:var(--text-0)}
.drawer-item.is-active{color:var(--accent);background:rgba(45,230,200,.09);font-weight:700}
.drawer-cta{margin-top:auto;display:flex;flex-direction:column;gap:10px}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;
  background-image:url(/assets/images/backpic/back-1.png);
  background-size:cover;background-position:center;
  padding:52px 0 68px;
  border-bottom:1px solid var(--stroke);
}
.hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(5,8,15,.97) 0%,rgba(5,8,15,.90) 42%,rgba(5,8,15,.74) 100%);
}
.hero::after{
  content:"";position:absolute;inset:0;opacity:.5;
  background-image:linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(180deg,rgba(255,255,255,.04) 1px,transparent 1px);
  background-size:56px 56px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 82%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 82%);
}
.hero-grid{position:relative;z-index:2;display:grid;grid-template-columns:1fr;gap:34px;align-items:center}
.hero-copy{max-width:640px}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2);margin-bottom:16px;flex-wrap:wrap}
.breadcrumb a{color:var(--text-2);transition:color .2s ease-out}
.breadcrumb a:hover{color:var(--accent)}
.crumb-sep{color:var(--accent);font-size:12px}
.hero h1{font-size:30px;line-height:1.28;font-weight:800;letter-spacing:-.01em;margin-bottom:14px}
.hero-sub{font-size:16px;color:var(--text-1);max-width:560px;margin-bottom:24px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:30px}
.hero-stats{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:14px;max-width:520px}
.stat-item{
  border:1px solid var(--stroke);border-radius:14px;
  background:var(--glass);padding:12px 14px;
}
.stat-num{font-size:23px;font-weight:800;color:var(--accent);font-variant-numeric:tabular-nums;line-height:1.2}
.stat-label{font-size:12.5px;color:var(--text-2);margin-top:2px}
@media(min-width:768px){
  .hero{padding:64px 0 84px}
  .hero h1{font-size:38px}
  .hero-sub{font-size:17px}
}
@media(min-width:1024px){
  .hero-grid{grid-template-columns:minmax(0,4fr) minmax(0,8fr);gap:44px}
  .hero h1{font-size:42px}
}
.hero-panel{
  border-radius:var(--r-panel);
  border:1px solid var(--stroke);
  background:rgba(255,255,255,.04);
  backdrop-filter:blur(18px);
  -webkit-backdrop-filter:blur(18px);
  box-shadow:var(--shadow-card);
  padding:22px;
}
.panel-head{display:flex;align-items:flex-start;justify-content:space-between;gap:12px;flex-wrap:wrap;margin-bottom:16px}
.panel-head h2{font-size:18px;font-weight:700}
.panel-head p{font-size:13px;color:var(--text-2);margin-top:6px;display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.panel-table{overflow-x:auto;border-radius:14px;border:1px solid var(--stroke)}
.panel-table table{width:100%;min-width:520px;font-size:13.5px}
.panel-table th,.panel-table td{padding:11px 12px;text-align:center;border-bottom:1px solid rgba(255,255,255,.07);white-space:nowrap}
.panel-table thead th{font-size:12px;font-weight:700;letter-spacing:.04em;color:var(--text-2);background:rgba(45,230,200,.07)}
.panel-table tbody th{text-align:left;color:var(--text-0);font-weight:600;background:rgba(15,26,46,.72)}
.panel-table tbody tr:last-child th,.panel-table tbody tr:last-child td{border-bottom:0}
.panel-table .col-current{background:rgba(45,230,200,.07)}
.panel-foot{display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;margin-top:16px}
.panel-foot span{font-size:13px;color:var(--text-2)}
.mark-yes{color:var(--accent);font-weight:800}
.mark-no{color:var(--text-2)}

/* ---------- 通用板块 ---------- */
.section{padding:64px 0}
.section-alt{background:var(--bg-1);border-top:1px solid var(--stroke);border-bottom:1px solid var(--stroke)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:22px;flex-wrap:wrap;margin-bottom:34px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:12.5px;letter-spacing:.16em;color:var(--accent);
  text-transform:uppercase;font-weight:700;margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--accent);display:block}
.section-head h2{font-size:22px;line-height:1.35;max-width:640px}
.lead{color:var(--text-1);max-width:720px;margin-top:12px;font-size:15.5px}
@media(min-width:768px){
  .section{padding:96px 0}
  .section-head h2{font-size:28px}
}

/* ---------- 横向滚动带 ---------- */
.strip{
  display:grid;grid-auto-flow:column;grid-auto-columns:minmax(230px,1fr);
  gap:0;overflow-x:auto;border:1px solid var(--stroke);border-radius:var(--r-card);
  background:var(--bg-2);
  scroll-snap-type:x mandatory;
}
.strip-item{
  padding:22px 24px;border-right:1px solid rgba(255,255,255,.07);
  scroll-snap-align:start;min-width:0;
}
.strip-item:last-child{border-right:0}
.strip-num{font-size:13px;font-variant-numeric:tabular-nums;color:var(--accent);font-weight:800;letter-spacing:.1em}
.strip-item h3{font-size:16.5px;margin:10px 0 6px}
.strip-item p{font-size:14px;color:var(--text-2);line-height:1.7}
@media(min-width:1024px){
  .strip{grid-auto-flow:row;grid-template-columns:repeat(4,minmax(0,1fr));overflow:visible}
}

/* ---------- 权益对比表 ---------- */
.table-shell{
  border-radius:var(--r-panel);
  border:1px solid var(--stroke);
  background:rgba(255,255,255,.03);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  box-shadow:var(--shadow-card);
  overflow:hidden;
}
.benefit-table-wrap{overflow-x:auto}
.benefit-table{width:100%;min-width:840px;font-size:14.5px}
.benefit-table th,.benefit-table td{
  padding:14px 16px;text-align:center;vertical-align:middle;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.benefit-table thead th{
  font-size:13px;font-weight:700;letter-spacing:.04em;color:var(--text-2);
  background:linear-gradient(180deg,rgba(45,230,200,.12),rgba(45,230,200,0));
  white-space:nowrap;
}
.benefit-table thead th.col-current{color:var(--accent);box-shadow:inset 0 2px 0 var(--accent)}
.th-tip{display:block;font-size:11px;color:var(--accent-2);letter-spacing:.08em;margin-top:2px}
.benefit-table tbody th[scope="row"]{
  text-align:left;color:var(--text-0);font-weight:600;
  position:sticky;left:0;z-index:2;background:#101C31;
  min-width:172px;border-right:1px solid rgba(255,255,255,.08);
}
.benefit-table tbody td{color:var(--text-1)}
.benefit-table tbody tr:last-child th,.benefit-table tbody tr:last-child td{border-bottom:0}
.benefit-table .col-current{background:rgba(45,230,200,.07)}
.benefit-table tbody tr:hover th[scope="row"]{background:#152441}
.benefit-table tbody tr:hover td{background:rgba(255,255,255,.035)}
.table-foot{
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  padding:18px 22px;border-top:1px solid rgba(255,255,255,.08);
  background:rgba(255,255,255,.02);
}
.table-foot p{font-size:13px;color:var(--text-2);max-width:640px}

/* 移动端权益卡片 */
.benefit-cards{display:none;gap:14px}
.bcard{
  border:1px solid var(--stroke);border-radius:var(--r-card);
  background:var(--bg-2);padding:16px 18px;
}
.bcard h3{font-size:15.5px;margin-bottom:12px}
.bcard-list{display:flex;flex-direction:column;gap:8px}
.bcard-list li{display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:13.5px;border-top:1px dashed rgba(255,255,255,.08);padding-top:8px}
.bcard-list li:first-child{border-top:0;padding-top:0}
.bcard-lv{color:var(--accent);font-weight:800;font-variant-numeric:tabular-nums;letter-spacing:.02em}
.bcard-val{color:var(--text-1)}
@media(max-width:640px){
  .benefit-table-wrap{display:none}
  .benefit-cards{display:grid}
  .table-foot{flex-direction:column;align-items:flex-start}
}

/* ---------- 权益释义卡 ---------- */
.def-grid{display:grid;grid-template-columns:1fr;gap:22px}
.def-card{
  border:1px solid var(--stroke);border-radius:var(--r-panel);
  background:var(--bg-2);padding:26px;
  box-shadow:var(--shadow-card);
  transition:border-color .2s ease-out,transform .2s ease-out;
}
.def-card:hover{border-color:var(--stroke-accent);transform:translateY(-2px)}
.def-card h3{font-size:19px;display:flex;align-items:center;gap:10px;margin-bottom:12px}
.def-card > p{font-size:14.5px;color:var(--text-1);margin-bottom:18px}
.def-list{display:flex;flex-direction:column;gap:12px}
.def-list li{display:flex;gap:12px;font-size:14.5px;color:var(--text-1);line-height:1.7}
.def-list li::before{
  content:"";flex:0 0 auto;width:8px;height:8px;margin-top:9px;border-radius:2px;
  background:var(--accent);box-shadow:0 0 8px rgba(45,230,200,.7);
}
.def-list li b{color:var(--text-0);font-weight:700}
@media(min-width:900px){.def-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}}

/* ---------- 开通流程阶梯 ---------- */
.flow-list{display:flex;flex-direction:column;gap:0;border-left:1px solid rgba(45,230,200,.3);margin-left:6px}
.flow-item{position:relative;padding:0 0 30px 26px}
.flow-item:last-child{padding-bottom:0}
.flow-item::before{
  content:"";position:absolute;left:-6px;top:6px;width:11px;height:11px;border-radius:50%;
  background:var(--bg-0);border:2px solid var(--accent);box-shadow:0 0 12px rgba(45,230,200,.8);
}
.flow-num{font-size:13px;font-weight:800;color:var(--accent);letter-spacing:.14em;font-variant-numeric:tabular-nums}
.flow-item h3{font-size:18px;margin:8px 0 6px}
.flow-item p{font-size:14.5px;color:var(--text-1);max-width:660px}
.flow-meta{margin-top:10px;display:flex;gap:10px;flex-wrap:wrap}

/* ---------- 适用场景 ---------- */
.scene-grid{display:grid;grid-template-columns:1fr;gap:30px}
.scene-list{display:flex;flex-direction:column;gap:0}
.scene-item{
  display:grid;grid-template-columns:auto 1fr;gap:16px;
  padding:20px 0;border-bottom:1px solid rgba(255,255,255,.08);
}
.scene-item:first-child{padding-top:0}
.scene-item:last-child{border-bottom:0;padding-bottom:0}
.scene-idx{
  width:34px;height:34px;border-radius:10px;display:grid;place-items:center;
  border:1px solid var(--stroke-accent);color:var(--accent);
  font-size:13px;font-weight:800;font-variant-numeric:tabular-nums;
}
.scene-item h3{font-size:17px;margin-bottom:6px}
.scene-item p{font-size:14.5px;color:var(--text-1);max-width:560px}
.scene-tag{margin-top:10px}
@media(min-width:1024px){
  .scene-grid{grid-template-columns:minmax(0,5fr) minmax(0,7fr);gap:48px;align-items:start}
}

/* ---------- FAQ ---------- */
.qa-list{border-top:1px solid rgba(255,255,255,.08)}
.qa{border-bottom:1px solid rgba(255,255,255,.08)}
.qa summary{
  list-style:none;cursor:pointer;position:relative;
  display:flex;align-items:center;gap:14px;
  padding:20px 0;font-size:17px;font-weight:600;color:var(--text-0);
  transition:color .2s ease-out;
}
.qa summary::-webkit-details-marker{display:none}
.qa summary::before{
  content:"";flex:0 0 auto;width:3px;height:18px;border-radius:2px;
  background:rgba(255,255,255,.16);transition:background-color .2s ease-out,box-shadow .2s ease-out;
}
.qa summary:hover{color:var(--accent)}
.qa[open] summary::before{background:var(--accent);box-shadow:0 0 10px rgba(45,230,200,.8)}
.qa summary::after{
  content:"+";margin-left:auto;color:var(--text-2);font-size:20px;font-weight:400;
  transition:transform .2s ease-out,color .2s ease-out;
}
.qa[open] summary::after{content:"–";color:var(--accent)}
.qa-body{max-width:720px;padding:0 0 22px 17px;font-size:15px;color:var(--text-1);line-height:1.8}
@media(min-width:900px){
  .qa-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));column-gap:48px}
}

/* ---------- 页尾 CTA ---------- */
.cta-panel{
  position:relative;overflow:hidden;
  border-radius:var(--r-panel);
  border:1px solid var(--stroke-accent);
  background-image:url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
}
.cta-panel::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(5,8,15,.95),rgba(5,8,15,.82) 55%,rgba(5,8,15,.66));
}
.cta-inner{position:relative;z-index:2;padding:38px 26px;display:grid;gap:26px}
.cta-inner h2{font-size:22px;max-width:520px}
.cta-inner > div > p{font-size:15px;color:var(--text-1);margin-top:12px;max-width:560px}
.cta-points{display:flex;flex-direction:column;gap:10px;margin:20px 0 22px}
.cta-points li{display:flex;align-items:center;gap:10px;font-size:14.5px;color:var(--text-1)}
.cta-points li::before{content:"✓";color:var(--accent);font-weight:800}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.cta-side{
  border:1px solid var(--stroke);border-radius:var(--r-card);
  background:rgba(255,255,255,.04);backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  padding:20px;
}
.cta-side p{font-size:13px;color:var(--text-2);margin-bottom:12px}
@media(min-width:900px){
  .cta-inner{grid-template-columns:minmax(0,7fr) minmax(0,5fr);align-items:center;padding:48px 44px}
  .cta-inner h2{font-size:28px}
}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--bg-1);border-top:1px solid var(--stroke);padding:56px 0 26px;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:32px}
.footer-brand .brand{margin-bottom:14px}
.footer-desc{font-size:14px;color:var(--text-2);max-width:320px;line-height:1.75}
.footer-user{display:flex;align-items:center;gap:10px;margin-top:16px;font-size:13.5px;color:var(--text-1)}
.avatar{
  width:28px;height:28px;border-radius:50%;display:grid;place-items:center;
  background:rgba(45,230,200,.14);border:1px solid var(--stroke-accent);
  color:var(--accent);font-size:12.5px;font-weight:800;
}
.footer-col h3{font-size:13px;letter-spacing:.12em;color:var(--text-2);text-transform:uppercase;margin-bottom:16px;font-weight:700}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a,.footer-col li span{font-size:14.5px;color:var(--text-1);transition:color .2s ease-out}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
}
.footer-bottom p{font-size:13px;color:var(--text-2)}
@media(min-width:768px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:36px}
}

@media(prefers-reduced-motion:reduce){
  *,*::before,*::after{transition-duration:.01ms !important;animation-duration:.01ms !important;scroll-behavior:auto !important}
  .btn:hover,.def-card:hover{transform:none !important}
}

/* roulang page: category2 */
:root{
  --bg-0:#05080F;
  --bg-1:#0A1120;
  --bg-2:#0F1A2E;
  --glass:rgba(255,255,255,.05);
  --stroke:rgba(255,255,255,.10);
  --stroke-accent:rgba(45,230,200,.35);
  --accent:#2DE6C8;
  --accent-h:#56F2D8;
  --accent-2:#FF5A36;
  --text-0:#F2F6FF;
  --text-1:#C3CEDF;
  --text-2:#7C8AA3;
  --ok:#34D399;
  --warn:#FBBF24;
  --r-card:18px;
  --r-panel:24px;
  --r-btn:12px;
  --shadow-card:inset 0 1px 0 rgba(255,255,255,.06),0 24px 48px -24px rgba(0,0,0,.8);
}
*,*::before,*::after{box-sizing:border-box}
[hidden]{display:none !important}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-1);
  font-family:Inter,"HarmonyOS Sans","PingFang SC","Microsoft YaHei",system-ui,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}
.wrap{width:100%;max-width:1200px;margin-inline:auto;padding-inline:20px}
@media(min-width:768px){.wrap{padding-inline:32px}}
@media(min-width:1280px){.wrap{padding-inline:48px}}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}

/* 顶部活动条 */
.topbar{
  position:relative;z-index:60;
  background:linear-gradient(90deg,rgba(45,230,200,.14),rgba(255,90,54,.10) 55%,rgba(5,8,15,0)),var(--bg-1);
  border-bottom:1px solid var(--stroke);
}
.topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:44px;padding-block:7px}
.topbar-status{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--text-0);letter-spacing:.02em;white-space:nowrap}
.pulse{width:7px;height:7px;border-radius:999px;background:var(--accent);box-shadow:0 0 0 4px rgba(45,230,200,.16);animation:pulse 2s ease-in-out infinite}
@keyframes pulse{50%{opacity:.45;transform:scale(.8)}}
.countdown{display:flex;align-items:center;gap:8px;flex-wrap:wrap}
.cd-cell{display:inline-flex;align-items:baseline;gap:4px;background:var(--glass);border:1px solid var(--stroke);border-radius:10px;padding:3px 9px;font-variant-numeric:tabular-nums}
.cd-cell b{font-size:15px;color:var(--accent-2);font-weight:700;line-height:1.2}
.cd-cell i{font-style:normal;font-size:11px;color:var(--text-2)}
.topbar-link{font-size:13px;color:var(--accent);white-space:nowrap}
.topbar-link:hover{color:var(--accent-h);text-decoration:underline;text-underline-offset:4px}
@media(max-width:640px){
  .topbar-status{display:none}
  .countdown{gap:5px}
  .cd-cell{padding:2px 7px}
  .cd-cell b{font-size:14px}
  .topbar-link{font-size:12px}
}

/* 导航 */
.site-header{
  position:sticky;top:0;z-index:50;
  background:rgba(5,8,15,.74);
  -webkit-backdrop-filter:blur(14px);
  backdrop-filter:blur(14px);
  border-bottom:1px solid transparent;
  transition:border-color .2s ease-out,background .2s ease-out;
}
.site-header.is-scrolled{border-bottom-color:var(--stroke);background:rgba(5,8,15,.94)}
.header-inner{display:flex;align-items:center;gap:20px;min-height:68px}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  display:grid;place-items:center;width:36px;height:36px;border-radius:11px;
  background:linear-gradient(135deg,var(--accent),#14a48d);color:#04120F;
  font-weight:800;font-size:18px;
  box-shadow:0 0 0 1px rgba(45,230,200,.45),0 8px 24px -10px rgba(45,230,200,.6);
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{font-size:16px;color:var(--text-0);letter-spacing:.01em}
.brand-text em{font-style:normal;font-size:11px;color:var(--accent);letter-spacing:.16em}
.main-nav{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{position:relative;padding:8px 12px;border-radius:10px;font-size:14px;color:var(--text-1);transition:color .2s ease-out,background .2s ease-out;white-space:nowrap}
.nav-link:hover{color:var(--text-0);background:var(--glass)}
.nav-link.is-active{color:var(--accent);background:rgba(45,230,200,.10)}
.nav-link.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;background:var(--accent);box-shadow:0 0 10px rgba(45,230,200,.8)}
.header-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:12px;border:1px solid var(--stroke);
  background:var(--glass);cursor:pointer;flex-direction:column;align-items:center;justify-content:center;gap:4px;padding:0;
}
.nav-toggle span{display:block;width:16px;height:2px;border-radius:2px;background:var(--text-1)}
.mobile-drawer{border-top:1px solid var(--stroke);background:rgba(10,17,32,.98);padding:14px 0 22px}
.drawer-nav{display:flex;flex-direction:column;gap:2px;margin-bottom:16px}
.drawer-nav a{padding:12px 10px;border-radius:12px;font-size:15px;color:var(--text-1);border-bottom:1px solid var(--stroke)}
.drawer-nav a.is-active{color:var(--accent);background:rgba(45,230,200,.08)}
.drawer-cta{display:flex;flex-direction:column;gap:10px}
@media(max-width:1023px){
  .main-nav{display:none}
  .header-actions .btn-ghost{display:none}
  .nav-toggle{display:inline-flex}
}

/* 按钮 */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border:1px solid transparent;border-radius:var(--r-btn);
  font-weight:600;font-size:14px;padding:11px 20px;cursor:pointer;
  transition:transform .2s ease-out,box-shadow .2s ease-out,background .2s ease-out,color .2s ease-out,border-color .2s ease-out;
  white-space:nowrap;
}
.btn-sm{padding:8px 14px;font-size:13px}
.btn-lg{padding:14px 26px;font-size:15px}
.btn-primary{background:var(--accent);color:#04120F;box-shadow:0 0 0 1px rgba(45,230,200,.5),0 8px 32px -8px rgba(45,230,200,.55)}
.btn-primary:hover{background:var(--accent-h);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(45,230,200,.6),0 12px 40px -8px rgba(45,230,200,.7)}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(45,230,200,.5),0 4px 16px -6px rgba(45,230,200,.5)}
.btn-primary:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}
.btn-outline{border-color:var(--stroke-accent);color:var(--accent);background:rgba(45,230,200,.04)}
.btn-outline:hover{background:rgba(45,230,200,.13);color:var(--accent-h);transform:translateY(-1px)}
.btn-ghost{color:var(--text-1)}
.btn-ghost:hover{color:var(--text-0);background:var(--glass)}

/* 徽章 */
.badge{display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 11px;border-radius:999px;font-size:12px;font-weight:600;letter-spacing:.02em;white-space:nowrap}
.badge-level{border:1px solid var(--stroke-accent);color:var(--accent);background:rgba(45,230,200,.08);font-variant-numeric:tabular-nums}
.badge-limit{background:var(--accent-2);color:#1A0904}
.badge-ok{color:var(--ok);background:rgba(52,211,153,.10);border:1px solid rgba(52,211,153,.35)}
.badge-warn{color:var(--warn);background:rgba(251,191,36,.10);border:1px solid rgba(251,191,36,.35)}
.badge-mute{color:var(--text-2);background:var(--glass);border:1px solid var(--stroke)}
.badge-tag{color:var(--accent);background:rgba(255,255,255,.05);border:1px solid var(--stroke)}

/* 版面 */
.section{padding-block:96px}
.section-alt{background:var(--bg-1);border-block:1px solid var(--stroke)}
@media(max-width:768px){.section{padding-block:64px}}
.section-head{max-width:760px;margin-bottom:40px}
.eyebrow{display:inline-block;font-size:12px;letter-spacing:.18em;color:var(--accent);margin:0 0 12px}
.h2{font-size:28px;font-weight:700;color:var(--text-0);line-height:1.35;margin:0 0 14px;letter-spacing:-.01em}
.section-head p{margin:0;font-size:15px;color:var(--text-1)}
@media(max-width:768px){.h2{font-size:22px}}

/* Hero */
.hero{position:relative;overflow:hidden;border-bottom:1px solid var(--stroke)}
.hero-bg{
  position:absolute;inset:0;z-index:0;
  background-image:linear-gradient(120deg,rgba(5,8,15,.95) 0%,rgba(5,8,15,.80) 45%,rgba(5,8,15,.58) 100%),url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
}
.hero::after{
  content:"";position:absolute;right:-140px;top:-180px;width:540px;height:540px;z-index:0;
  background:radial-gradient(circle,rgba(45,230,200,.16),transparent 65%);pointer-events:none;
}
.hero-inner{position:relative;z-index:1;display:grid;grid-template-columns:1fr;gap:40px;padding-block:64px}
@media(min-width:1024px){.hero-inner{grid-template-columns:7fr 5fr;align-items:center;gap:56px;padding-block:96px}}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2);margin-bottom:20px}
.crumbs a:hover{color:var(--accent)}
.crumb-sep{color:var(--accent)}
.hero h1{font-size:30px;line-height:1.25;font-weight:800;color:var(--text-0);letter-spacing:-.01em;margin:0 0 18px}
@media(min-width:640px){.hero h1{font-size:34px}}
@media(min-width:1024px){.hero h1{font-size:40px;line-height:1.2}}
.hero-sub{font-size:15px;color:var(--text-1);max-width:560px;margin:0 0 28px}
@media(min-width:1024px){.hero-sub{font-size:17px}}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px}
.hero-panel{
  background:rgba(255,255,255,.04);
  -webkit-backdrop-filter:blur(18px);backdrop-filter:blur(18px);
  border:1px solid var(--stroke);border-radius:var(--r-panel);padding:24px;
  box-shadow:var(--shadow-card);
}
.hero-panel-head{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--text-2)}
.stat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:12px;margin-block:18px}
.stat b{display:block;font-size:26px;color:var(--accent);font-variant-numeric:tabular-nums;line-height:1.1;font-weight:700}
.stat span{display:block;font-size:12px;color:var(--text-2);margin-top:6px}
.hero-panel-note{font-size:13px;color:var(--text-2);margin:0 0 18px;padding-top:16px;border-top:1px solid var(--stroke)}
.w-full{width:100%}

/* 等级阶梯 */
.levels-layout{display:grid;grid-template-columns:1fr;gap:36px}
@media(min-width:1024px){.levels-layout{grid-template-columns:1fr 320px;gap:48px;align-items:start}}
.timeline{list-style:none;margin:0;padding:0 0 0 34px;position:relative}
.timeline::before{content:"";position:absolute;left:7px;top:14px;bottom:14px;width:2px;background:linear-gradient(180deg,var(--accent),rgba(45,230,200,.2) 55%,rgba(255,255,255,.06))}
.tl-item{position:relative;padding-bottom:26px}
.tl-item:last-child{padding-bottom:0}
.tl-dot{position:absolute;left:-34px;top:24px;width:16px;height:16px;border-radius:999px;background:var(--bg-0);border:2px solid var(--stroke)}
.tl-item.is-done .tl-dot{border-color:var(--ok);box-shadow:0 0 0 4px rgba(52,211,153,.12)}
.tl-item.is-current .tl-dot{border-color:var(--accent);box-shadow:0 0 0 5px rgba(45,230,200,.15)}
.tl-card{
  background:var(--bg-2);border:1px solid var(--stroke);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-card);
  transition:border-color .2s ease-out,transform .2s ease-out;
}
.tl-card:hover{border-color:var(--stroke-accent);transform:translateY(-2px)}
.tl-item.is-current .tl-card{
  border-color:var(--stroke-accent);
  background:linear-gradient(180deg,rgba(45,230,200,.08),rgba(15,26,46,1) 48%);
  box-shadow:0 0 0 1px rgba(45,230,200,.3),0 24px 48px -24px rgba(0,0,0,.85);
}
.tl-head{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-bottom:12px}
.tl-head h3{font-size:19px;font-weight:600;color:var(--text-0);margin:0}
.tl-desc{margin:0 0 16px;font-size:14px;color:var(--text-1);max-width:600px}
.tl-list{list-style:none;margin:0;padding:0;display:flex;flex-wrap:wrap;gap:8px}
.tl-list li{font-size:13px;color:var(--text-1);background:var(--glass);border:1px solid var(--stroke);border-radius:999px;padding:4px 12px}
@media(max-width:520px){.timeline{padding-left:26px}.tl-dot{left:-26px}}

/* 侧栏粘性卡 */
.side-panel{background:var(--bg-2);border:1px solid var(--stroke);border-radius:var(--r-panel);padding:24px;box-shadow:var(--shadow-card)}
@media(min-width:1024px){.side-panel{position:sticky;top:96px}}
.side-title{font-size:13px;letter-spacing:.1em;color:var(--text-2);margin:0 0 18px;font-weight:600}
.side-row{display:flex;align-items:center;gap:10px;padding:12px 0;border-bottom:1px solid var(--stroke)}
.side-name{font-size:15px;color:var(--text-0);font-weight:600;margin-right:auto}
.side-gap{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--accent);padding:12px 0}
.progress{height:8px;border-radius:999px;background:rgba(255,255,255,.07);overflow:hidden;margin:6px 0 14px}
.progress span{display:block;height:100%;border-radius:999px;background:linear-gradient(90deg,var(--accent),#14a48d)}
.side-note{font-size:13px;color:var(--text-2);margin:0 0 18px}

/* 升级路径 */
.steps{list-style:none;margin:0;padding:0;display:grid;gap:24px;grid-template-columns:1fr}
@media(min-width:768px){.steps{grid-template-columns:1.15fr 1fr .85fr;align-items:start;gap:20px}}
.step{position:relative;background:var(--bg-2);border:1px solid var(--stroke);border-radius:var(--r-card);padding:32px 24px 24px;box-shadow:var(--shadow-card);transition:border-color .2s ease-out,transform .2s ease-out}
.step:hover{border-color:var(--stroke-accent);transform:translateY(-3px)}
.step-no{
  position:absolute;top:-14px;left:24px;display:inline-grid;place-items:center;height:28px;padding:0 12px;
  border-radius:999px;background:var(--bg-0);border:1px solid var(--stroke-accent);color:var(--accent);
  font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
}
.step h3{font-size:18px;font-weight:600;color:var(--text-0);margin:0 0 10px}
.step p{margin:0;font-size:14px;color:var(--text-1)}
@media(min-width:768px){
  .step:nth-child(2){margin-top:28px}
  .step:nth-child(3){margin-top:56px}
}

/* 判定节奏 */
.rhythm{display:grid;gap:36px;grid-template-columns:1fr}
@media(min-width:1024px){.rhythm{grid-template-columns:1.25fr .75fr;align-items:center;gap:56px}}
.rhythm-list{list-style:none;margin:26px 0 0;padding:0;display:grid;gap:14px;grid-template-columns:repeat(auto-fit,minmax(150px,1fr))}
.rhythm-list li{background:var(--bg-2);border:1px solid var(--stroke);border-radius:14px;padding:16px}
.rhythm-list b{display:block;font-size:22px;color:var(--accent);font-variant-numeric:tabular-nums;line-height:1.2;font-weight:700}
.rhythm-list span{font-size:13px;color:var(--text-2)}
.rhythm-aside{position:relative}
.rhythm-aside img{width:100%;aspect-ratio:16/11;object-fit:cover;border-radius:var(--r-panel);border:1px solid var(--stroke)}
.rhythm-card{
  position:relative;margin-top:-46px;margin-left:22px;max-width:310px;
  background:rgba(15,26,46,.94);-webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
  border:1px solid var(--stroke-accent);border-radius:var(--r-card);padding:18px 20px;box-shadow:var(--shadow-card);
}
.rhythm-card p{margin:10px 0 0;font-size:14px;color:var(--text-1)}
@media(max-width:520px){.rhythm-card{margin-left:0;margin-top:-28px}}

/* FAQ */
.faq-grid{display:grid;gap:14px;grid-template-columns:1fr}
@media(min-width:1024px){.faq-grid{grid-template-columns:1fr 1fr;gap:16px 24px}}
.faq-item{background:var(--bg-2);border:1px solid var(--stroke);border-radius:14px;padding:0 20px;transition:border-color .2s ease-out,box-shadow .2s ease-out}
.faq-item:hover{border-color:var(--stroke-accent)}
.faq-item[open]{border-color:var(--stroke-accent);box-shadow:0 0 0 1px rgba(45,230,200,.2)}
.faq-item summary{
  cursor:pointer;list-style:none;padding:18px 0;font-size:16px;font-weight:600;color:var(--text-0);
  display:flex;align-items:center;justify-content:space-between;gap:16px;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"+";color:var(--accent);font-size:20px;font-weight:400;line-height:1}
.faq-item[open] summary::after{content:"−"}
.faq-body{margin:0;padding:14px 0 20px;font-size:14px;color:var(--text-1);border-top:1px solid var(--stroke);max-width:720px}

/* CTA */
.cta-panel{
  position:relative;overflow:hidden;border-radius:var(--r-panel);border:1px solid var(--stroke);
  background-image:linear-gradient(120deg,rgba(5,8,15,.94),rgba(5,8,15,.74)),url("/assets/images/backpic/back-2.webp");
  background-size:cover;background-position:center;
  padding:36px 24px;display:grid;gap:32px;
}
@media(min-width:1024px){.cta-panel{grid-template-columns:1.4fr .6fr;padding:56px;align-items:center;gap:48px}}
.cta-copy h2{font-size:26px;font-weight:700;color:var(--text-0);line-height:1.35;margin:14px 0 14px}
@media(min-width:1024px){.cta-copy h2{font-size:30px}}
.cta-copy p{font-size:15px;color:var(--text-1);margin:0 0 26px;max-width:560px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px}
.cta-side{background:rgba(255,255,255,.04);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px);border:1px solid var(--stroke);border-radius:var(--r-card);padding:22px}
.cta-side-title{font-size:13px;color:var(--text-2);margin:0 0 12px}
.cta-list{list-style:none;margin:18px 0 0;padding:0;display:grid;gap:10px}
.cta-list li{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--text-1)}
.cta-list li::before{content:"✓";color:var(--ok);font-weight:700}

/* 页脚 */
.site-footer{background:var(--bg-1);border-top:1px solid var(--stroke);padding-top:64px}
.footer-grid{display:grid;gap:34px;grid-template-columns:1fr}
@media(min-width:768px){.footer-grid{grid-template-columns:1.4fr 1fr 1fr}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.6fr 1fr 1fr 1fr;gap:40px}}
.footer-brand p{font-size:14px;color:var(--text-2);margin:18px 0 20px;max-width:340px}
.footer-user{display:inline-flex;align-items:center;gap:10px;background:var(--glass);border:1px solid var(--stroke);border-radius:999px;padding:6px 16px 6px 6px;font-size:13px;color:var(--text-1)}
.avatar{display:inline-grid;place-items:center;width:32px;height:32px;border-radius:999px;background:linear-gradient(135deg,var(--accent),#14a48d);color:#04120F;font-weight:700;font-size:14px}
.footer-col h3{font-size:13px;letter-spacing:.12em;color:var(--text-0);margin:0 0 16px;font-weight:600}
.footer-col ul{list-style:none;margin:0;padding:0;display:grid;gap:10px}
.footer-col a{font-size:14px;color:var(--text-1)}
.footer-col a:hover{color:var(--accent)}
.footer-col p{font-size:14px;color:var(--text-2);margin:0 0 12px;max-width:320px}
.footer-bottom{
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;
  margin-top:48px;padding-block:24px;border-top:1px solid var(--stroke);font-size:13px;color:var(--text-2);
}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
}

/* roulang page: category3 */
:root{
    --bg-0:#05080F;
    --bg-1:#0A1120;
    --bg-2:#0F1A2E;
    --glass:rgba(255,255,255,.05);
    --stroke:rgba(255,255,255,.10);
    --stroke-accent:rgba(45,230,200,.35);
    --accent:#2DE6C8;
    --accent-hi:#56F2D8;
    --accent-2:#FF5A36;
    --text-0:#F2F6FF;
    --text-1:#C3CEDF;
    --text-2:#7C8AA3;
    --ok:#34D399;
    --warn:#FBBF24;
    --r-card:18px;
    --r-panel:24px;
    --r-btn:12px;
    --r-pill:999px;
    --shadow-card: inset 0 1px 0 rgba(255,255,255,.06), 0 24px 48px -24px rgba(0,0,0,.8);
    --glow: 0 0 0 1px rgba(45,230,200,.5), 0 8px 32px -8px rgba(45,230,200,.55);
    --container:1200px;
  }
  *,*::before,*::after{box-sizing:border-box;}
  html{scroll-behavior:smooth;}
  body{
    margin:0;
    background:var(--bg-0);
    color:var(--text-1);
    font-family:Inter,"HarmonyOS Sans","PingFang SC","Microsoft YaHei",system-ui,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{font:inherit;color:inherit;}
  ul{list-style:none;margin:0;padding:0;}
  h1,h2,h3,h4{margin:0;color:var(--text-0);font-weight:700;letter-spacing:-.01em;}
  p{margin:0;}
  :focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px;}

  .container{width:100%;max-width:var(--container);margin:0 auto;padding:0 20px;}
  @media(min-width:768px){.container{padding:0 32px;}}
  @media(min-width:1280px){.container{padding:0 48px;}}

  /* ===== 顶部活动条 ===== */
  .topbar{
    background:linear-gradient(90deg,rgba(45,230,200,.10),rgba(255,90,54,.10) 55%,rgba(45,230,200,.06));
    border-bottom:1px solid var(--stroke);
    font-size:13px;
  }
  .topbar-inner{display:flex;align-items:center;justify-content:space-between;gap:16px;min-height:44px;padding:6px 0;}
  .topbar-state{display:inline-flex;align-items:center;gap:8px;color:var(--text-1);white-space:nowrap;}
  .dot-live{width:8px;height:8px;border-radius:50%;background:var(--accent-2);box-shadow:0 0 0 4px rgba(255,90,54,.18);animation:pulse 2s infinite;}
  @keyframes pulse{0%,100%{opacity:1}50%{opacity:.45}}
  .countdown{display:flex;align-items:center;gap:8px;}
  .countdown-unit{
    display:flex;align-items:baseline;gap:4px;padding:3px 10px;border-radius:var(--r-pill);
    background:var(--glass);border:1px solid var(--stroke);
    font-variant-numeric:tabular-nums;
  }
  .countdown-num{color:var(--accent-2);font-weight:800;font-size:15px;letter-spacing:.02em;}
  .countdown-label{color:var(--text-2);font-size:12px;}
  .topbar-link{color:var(--accent);font-weight:600;white-space:nowrap;border-bottom:1px solid transparent;transition:border-color .2s ease-out,color .2s ease-out;}
  .topbar-link:hover{color:var(--accent-hi);border-bottom-color:var(--accent-hi);}
  @media(max-width:640px){
    .topbar-state,.topbar .topbar-link-long{display:none;}
    .countdown-unit{padding:2px 8px;}
    .countdown-num{font-size:14px;}
  }

  /* ===== 导航 ===== */
  .site-header{position:sticky;top:0;z-index:60;background:rgba(5,8,15,.86);backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:border-color .2s ease-out,background .2s ease-out;}
  .site-header.is-scrolled{border-bottom-color:var(--stroke);background:rgba(5,8,15,.94);}
  .nav-row{display:flex;align-items:center;justify-content:space-between;gap:20px;min-height:72px;}
  .brand{display:flex;align-items:center;gap:12px;}
  .brand-mark{
    width:40px;height:40px;border-radius:12px;display:grid;place-items:center;
    background:linear-gradient(140deg,rgba(45,230,200,.9),rgba(45,230,200,.25));
    color:#04141A;font-weight:900;font-size:18px;box-shadow:var(--glow);
  }
  .brand-text{display:flex;flex-direction:column;line-height:1.15;}
  .brand-name{color:var(--text-0);font-weight:800;font-size:17px;letter-spacing:-.01em;}
  .brand-sub{color:var(--text-2);font-size:11px;letter-spacing:.14em;}
  .main-nav{display:flex;align-items:center;gap:4px;}
  .nav-link{
    position:relative;padding:10px 14px;border-radius:var(--r-pill);
    color:var(--text-1);font-size:15px;transition:color .2s ease-out,background .2s ease-out;
  }
  .nav-link:hover{color:var(--text-0);background:var(--glass);}
  .nav-link.is-active{color:var(--accent);font-weight:600;}
  .nav-link.is-active::after{
    content:"";position:absolute;left:50%;bottom:2px;transform:translateX(-50%);
    width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent);
  }
  .nav-actions{display:flex;align-items:center;gap:10px;}

  .btn{
    display:inline-flex;align-items:center;justify-content:center;gap:8px;
    border-radius:var(--r-btn);padding:11px 20px;font-size:15px;font-weight:600;
    border:1px solid transparent;cursor:pointer;transition:all .2s ease-out;white-space:nowrap;
  }
  .btn-primary{background:var(--accent);color:#04141A;box-shadow:var(--glow);}
  .btn-primary:hover{background:var(--accent-hi);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(86,242,216,.6),0 12px 40px -8px rgba(45,230,200,.7);}
  .btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(45,230,200,.45);}
  .btn-ghost{border-color:var(--stroke-accent);color:var(--accent);background:transparent;}
  .btn-ghost:hover{background:rgba(45,230,200,.10);transform:translateY(-1px);}
  .btn-outline{border-color:var(--stroke);color:var(--text-0);background:var(--glass);}
  .btn-outline:hover{border-color:var(--stroke-accent);color:var(--accent);}
  .btn-link{background:none;border:none;padding:0;color:var(--accent);font-weight:600;display:inline-flex;align-items:center;gap:6px;}
  .btn-link:hover{color:var(--accent-hi);gap:10px;}
  .btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}

  .burger{
    display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--stroke);
    background:var(--glass);align-items:center;justify-content:center;flex-direction:column;gap:4px;
  }
  .burger span{display:block;width:18px;height:2px;background:var(--text-0);border-radius:2px;transition:transform .2s ease-out,opacity .2s;}

  .drawer{
    position:fixed;inset:0 0 0 auto;width:min(340px,86vw);z-index:80;
    background:var(--bg-1);border-left:1px solid var(--stroke);
    transform:translateX(102%);transition:transform .28s ease-out;
    padding:22px;display:flex;flex-direction:column;gap:18px;overflow-y:auto;
  }
  .drawer.is-open{transform:translateX(0);}
  .drawer-backdrop{position:fixed;inset:0;background:rgba(3,6,12,.66);backdrop-filter:blur(3px);z-index:70;opacity:0;pointer-events:none;transition:opacity .25s ease-out;}
  .drawer-backdrop.is-open{opacity:1;pointer-events:auto;}
  .drawer-head{display:flex;align-items:center;justify-content:space-between;}
  .drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--stroke);background:var(--glass);color:var(--text-0);font-size:18px;}
  .drawer-links{display:flex;flex-direction:column;gap:6px;}
  .drawer-links a{padding:13px 14px;border-radius:12px;border:1px solid var(--stroke);background:var(--glass);color:var(--text-1);font-size:15px;}
  .drawer-links a.is-active{color:var(--accent);border-color:var(--stroke-accent);}
  .drawer-cta{display:flex;flex-direction:column;gap:10px;margin-top:auto;}

  @media(max-width:1023px){
    .main-nav{display:none;}
    .nav-actions .btn-outline{display:none;}
    .burger{display:flex;}
  }
  @media(max-width:640px){
    .nav-actions .btn-primary{display:none;}
    .nav-row{min-height:64px;}
  }

  /* ===== Hero ===== */
  .hero{padding:56px 0 64px;background:
      radial-gradient(900px 460px at 8% -10%,rgba(45,230,200,.12),transparent 62%),
      radial-gradient(700px 380px at 92% 8%,rgba(255,90,54,.10),transparent 60%),
      var(--bg-0);}
  .crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2);margin-bottom:18px;}
  .crumb a{color:var(--text-2);}
  .crumb a:hover{color:var(--accent);}
  .crumb .sep{color:var(--accent);}
  .crumb .current{color:var(--text-0);}
  .hero-grid{display:grid;grid-template-columns:5fr 7fr;gap:32px;align-items:stretch;}
  .hero-copy{display:flex;flex-direction:column;gap:20px;justify-content:center;}
  .eyebrow{
    display:inline-flex;align-items:center;gap:8px;align-self:flex-start;
    padding:6px 14px;border-radius:var(--r-pill);background:rgba(45,230,200,.10);
    border:1px solid var(--stroke-accent);color:var(--accent);font-size:13px;font-weight:600;letter-spacing:.04em;
  }
  .hero h1{font-size:40px;line-height:1.2;font-weight:800;}
  .hero h1 em{font-style:normal;color:var(--accent);}
  .hero-sub{font-size:17px;color:var(--text-1);max-width:34em;}
  .hero-actions{display:flex;flex-wrap:wrap;gap:12px;}
  .hero-stats{display:flex;flex-wrap:wrap;gap:26px;margin-top:6px;}
  .stat-num{font-size:26px;font-weight:800;color:var(--accent);font-variant-numeric:tabular-nums;line-height:1.1;}
  .stat-label{font-size:13px;color:var(--text-2);}

  .hero-visual{position:relative;border-radius:var(--r-panel);overflow:hidden;border:1px solid var(--stroke);min-height:420px;box-shadow:var(--shadow-card);}
  .hero-visual img{width:100%;height:100%;object-fit:cover;position:absolute;inset:0;}
  .hero-visual::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(5,8,15,.92) 0%,rgba(5,8,15,.45) 46%,rgba(5,8,15,.15) 100%);}
  .hero-visual-grid{position:absolute;inset:0;background-image:linear-gradient(rgba(255,255,255,.05) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.05) 1px,transparent 1px);background-size:48px 48px;opacity:.55;}
  .hero-visual-inner{position:relative;z-index:2;height:100%;display:flex;flex-direction:column;justify-content:space-between;padding:26px;}
  .hero-visual-top{display:flex;justify-content:flex-end;}
  .badge{
    display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 12px;border-radius:var(--r-pill);
    font-size:12px;font-weight:600;letter-spacing:.04em;line-height:1;
  }
  .badge-accent{border:1px solid var(--stroke-accent);color:var(--accent);background:rgba(45,230,200,.08);}
  .badge-hot{background:var(--accent-2);color:#1A0703;}
  .badge-neutral{background:var(--glass);border:1px solid var(--stroke);color:var(--text-1);}
  .badge-ok{border:1px solid rgba(52,211,153,.45);color:var(--ok);background:rgba(52,211,153,.10);}
  .hero-play{display:flex;align-items:center;gap:14px;}
  .play-btn{
    width:60px;height:60px;border-radius:50%;display:grid;place-items:center;
    background:rgba(45,230,200,.14);border:1px solid var(--stroke-accent);color:var(--accent);
    backdrop-filter:blur(10px);transition:all .2s ease-out;
  }
  .play-btn:hover{background:var(--accent);color:#04141A;transform:scale(1.05);}
  .hero-visual-caption{color:var(--text-0);font-weight:700;font-size:18px;}
  .hero-visual-meta{font-size:13px;color:var(--text-2);}
  @media(max-width:1023px){
    .hero-grid{grid-template-columns:1fr;}
    .hero-visual{min-height:320px;order:-1;}
    .hero h1{font-size:32px;}
  }
  @media(max-width:640px){
    .hero{padding:32px 0 48px;}
    .hero h1{font-size:30px;line-height:1.28;}
    .hero-sub{font-size:16px;}
    .hero-visual{min-height:260px;}
    .hero-stats{gap:18px;}
    .stat-num{font-size:22px;}
  }

  /* ===== 通用板块 ===== */
  .section{padding:88px 0;}
  .section-alt{background:var(--bg-1);border-top:1px solid var(--stroke);border-bottom:1px solid var(--stroke);}
  .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
  .section-head h2{font-size:28px;line-height:1.3;}
  .section-head p{color:var(--text-2);font-size:15px;margin-top:8px;max-width:760px;}
  .kicker{display:block;color:var(--accent);font-size:13px;font-weight:700;letter-spacing:.18em;margin-bottom:10px;}
  @media(max-width:640px){
    .section{padding:60px 0;}
    .section-head h2{font-size:22px;line-height:1.35;}
    .section-head{margin-bottom:24px;}
  }

  /* ===== 图墙 ===== */
  .gallery{display:grid;grid-template-columns:repeat(6,1fr);gap:20px;}
  .tile{
    position:relative;border-radius:var(--r-card);overflow:hidden;border:1px solid var(--stroke);
    background:var(--bg-2);box-shadow:var(--shadow-card);display:block;
    transition:border-color .2s ease-out,transform .2s ease-out;
  }
  .tile img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease-out;}
  .tile::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(5,8,15,.05) 0%,rgba(5,8,15,.55) 58%,rgba(5,8,15,.92) 100%);}
  .tile:hover{border-color:var(--stroke-accent);transform:translateY(-3px);}
  .tile:hover img{transform:scale(1.04);}
  .tile-body{position:absolute;inset:auto 0 0 0;z-index:2;padding:18px;display:flex;flex-direction:column;gap:8px;}
  .tile-title{color:var(--text-0);font-size:17px;font-weight:700;line-height:1.4;}
  .tile-meta{font-size:13px;color:var(--text-2);display:flex;align-items:center;gap:10px;flex-wrap:wrap;}
  .tile-tag{position:absolute;top:14px;left:14px;z-index:2;}
  .tile-arrow{position:absolute;top:14px;right:14px;z-index:2;width:32px;height:32px;border-radius:50%;display:grid;place-items:center;background:rgba(5,8,15,.6);border:1px solid var(--stroke);color:var(--accent);opacity:0;transition:opacity .2s ease-out;}
  .tile:hover .tile-arrow{opacity:1;}
  .t-a{grid-column:span 3;height:330px;}
  .t-b{grid-column:span 3;height:252px;}
  .t-c{grid-column:span 2;height:268px;}
  .t-d{grid-column:span 2;height:268px;}
  .t-e{grid-column:span 2;height:268px;}
  .t-f{grid-column:span 2;height:224px;}
  .t-g{grid-column:span 4;height:300px;}
  .t-h{grid-column:span 3;height:248px;}
  .t-i{grid-column:span 3;height:248px;}
  .gallery{align-items:start;}
  @media(max-width:1023px){
    .t-a,.t-b,.t-g{grid-column:span 6;height:280px;}
    .t-c,.t-d,.t-e,.t-f,.t-h,.t-i{grid-column:span 3;height:220px;}
  }
  @media(max-width:640px){
    .gallery{grid-template-columns:1fr;gap:16px;}
    .t-a,.t-b,.t-c,.t-d,.t-e,.t-f,.t-g,.t-h,.t-i{grid-column:span 1;height:210px;}
    .tile-title{font-size:16px;}
  }

  /* ===== 节奏指标带 ===== */
  .rhythm{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
  .rhythm-item{
    border-radius:var(--r-card);border:1px solid var(--stroke);background:var(--bg-2);
    padding:24px;box-shadow:var(--shadow-card);
  }
  .rhythm-item .num{font-size:30px;font-weight:800;color:var(--accent);font-variant-numeric:tabular-nums;line-height:1.1;}
  .rhythm-item h3{font-size:17px;margin:10px 0 6px;}
  .rhythm-item p{font-size:14px;color:var(--text-2);}
  @media(max-width:768px){.rhythm{grid-template-columns:1fr;}}

  /* ===== 阶梯流程 ===== */
  .steps{display:grid;grid-template-columns:repeat(3,1fr);gap:22px;position:relative;}
  .step{position:relative;padding:26px;border-radius:var(--r-panel);background:var(--bg-2);border:1px solid var(--stroke);box-shadow:var(--shadow-card);}
  .step:nth-child(2){margin-top:28px;}
  .step:nth-child(3){margin-top:56px;}
  .step-index{
    display:inline-grid;place-items:center;width:38px;height:38px;border-radius:12px;
    background:rgba(45,230,200,.10);border:1px solid var(--stroke-accent);color:var(--accent);
    font-weight:800;font-size:14px;font-variant-numeric:tabular-nums;margin-bottom:16px;
  }
  .step h3{font-size:19px;margin-bottom:8px;}
  .step p{font-size:14px;color:var(--text-2);}
  @media(max-width:1023px){.steps{grid-template-columns:1fr;}.step:nth-child(2),.step:nth-child(3){margin-top:0;}}

  /* ===== 反馈摘录 ===== */
  .quote-scroll{display:flex;gap:18px;overflow-x:auto;padding-bottom:8px;scroll-snap-type:x mandatory;}
  .quote-scroll::-webkit-scrollbar{height:6px;}
  .quote-scroll::-webkit-scrollbar-thumb{background:var(--stroke);border-radius:999px;}
  .quote{
    min-width:320px;max-width:380px;scroll-snap-align:start;
    border-radius:var(--r-card);border:1px solid var(--stroke);background:var(--bg-2);padding:24px;
    box-shadow:var(--shadow-card);display:flex;flex-direction:column;gap:16px;
  }
  .quote p{font-size:15px;color:var(--text-1);}
  .quote-user{display:flex;align-items:center;gap:12px;font-size:14px;color:var(--text-2);}
  .avatar{
    width:38px;height:38px;border-radius:50%;display:grid;place-items:center;
    background:linear-gradient(140deg,rgba(45,230,200,.8),rgba(45,230,200,.25));
    color:#04141A;font-weight:800;font-size:15px;flex-shrink:0;
  }
  @media(max-width:640px){.quote{min-width:86vw;}}

  /* ===== FAQ ===== */
  .faq-list{border-top:1px solid var(--stroke);max-width:820px;}
  .faq-item{border-bottom:1px solid var(--stroke);}
  .faq-item summary{
    cursor:pointer;list-style:none;padding:20px 0 20px 0;position:relative;
    display:flex;align-items:center;justify-content:space-between;gap:16px;
    color:var(--text-0);font-size:17px;font-weight:600;
  }
  .faq-item summary::-webkit-details-marker{display:none;}
  .faq-item summary::after{
    content:"+";color:var(--accent);font-size:20px;font-weight:600;line-height:1;transition:transform .2s ease-out;
  }
  .faq-item[open] summary::after{content:"–";}
  .faq-item[open] summary{color:var(--accent);}
  .faq-answer{padding:0 0 22px;max-width:720px;font-size:15px;color:var(--text-1);}
  .faq-item[open] .faq-answer{border-left:2px solid var(--accent);padding-left:18px;}
  .faq-item summary:hover{color:var(--accent-hi);}

  /* ===== CTA ===== */
  .cta-panel{
    position:relative;border-radius:var(--r-panel);overflow:hidden;border:1px solid var(--stroke);
    padding:56px 40px;box-shadow:var(--shadow-card);
  }
  .cta-panel img.cta-bg{position:absolute;inset:0;width:100%;height:100%;object-fit:cover;}
  .cta-panel::after{content:"";position:absolute;inset:0;background:linear-gradient(110deg,rgba(5,8,15,.95) 25%,rgba(5,8,15,.72) 100%);}
  .cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:center;}
  .cta-inner h2{font-size:30px;line-height:1.3;margin-bottom:14px;}
  .cta-list{display:flex;flex-direction:column;gap:10px;margin:20px 0 26px;}
  .cta-list li{display:flex;align-items:center;gap:10px;font-size:15px;color:var(--text-1);}
  .cta-list li::before{content:"";width:16px;height:2px;background:var(--accent);border-radius:2px;flex-shrink:0;}
  .cta-side{
    border-radius:var(--r-card);background:var(--glass);backdrop-filter:blur(16px);
    border:1px solid var(--stroke);padding:24px;
  }
  .cta-side .num{font-size:28px;font-weight:800;color:var(--accent);font-variant-numeric:tabular-nums;}
  .cta-side .label{font-size:13px;color:var(--text-2);}
  .cta-side-row{display:flex;justify-content:space-between;align-items:center;padding:14px 0;border-bottom:1px solid var(--stroke);}
  .cta-side-row:last-child{border-bottom:none;}
  @media(max-width:1023px){.cta-inner{grid-template-columns:1fr;}.cta-panel{padding:36px 24px;}.cta-inner h2{font-size:24px;}}

  /* ===== 页脚 ===== */
  .site-footer{background:var(--bg-1);border-top:1px solid var(--stroke);padding:64px 0 28px;margin-top:0;}
  .footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:32px;}
  .footer-brand{display:flex;flex-direction:column;gap:14px;}
  .footer-brand p{font-size:14px;color:var(--text-2);max-width:32em;}
  .footer-user{display:flex;align-items:center;gap:12px;font-size:14px;color:var(--text-1);border:1px solid var(--stroke);border-radius:var(--r-card);padding:12px 14px;background:var(--glass);align-self:flex-start;}
  .footer-col h3{font-size:15px;color:var(--text-0);margin-bottom:16px;letter-spacing:.02em;}
  .footer-col ul{display:flex;flex-direction:column;gap:10px;}
  .footer-col a{font-size:14px;color:var(--text-2);transition:color .2s ease-out;}
  .footer-col a:hover{color:var(--accent);}
  .footer-note{font-size:14px;color:var(--text-2);line-height:1.8;}
  .footer-bottom{margin-top:44px;padding-top:22px;border-top:1px solid var(--stroke);display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--text-2);}
  @media(max-width:1023px){.footer-grid{grid-template-columns:1fr 1fr;}}
  @media(max-width:640px){.footer-grid{grid-template-columns:1fr;}.site-footer{padding:48px 0 24px;}}

  @media(prefers-reduced-motion:reduce){
    *{animation:none!important;transition-duration:.001s!important;}
    .tile:hover,.btn:hover{transform:none!important;}
    .tile:hover img{transform:none!important;}
  }

/* roulang page: category4 */
:root{
  --bg-0:#05080F;
  --bg-1:#0A1120;
  --bg-2:#0F1A2E;
  --glass:rgba(255,255,255,.05);
  --stroke:rgba(255,255,255,.10);
  --stroke-accent:rgba(45,230,200,.35);
  --accent:#2DE6C8;
  --accent-hover:#56F2D8;
  --accent-2:#FF5A36;
  --text-0:#F2F6FF;
  --text-1:#C3CEDF;
  --text-2:#7C8AA3;
  --ok:#34D399;
  --warn:#FBBF24;
  --r-card:18px;
  --r-panel:24px;
  --r-btn:12px;
  --r-pill:999px;
  --shadow-card:inset 0 1px 0 rgba(255,255,255,.06), 0 24px 48px -24px rgba(0,0,0,.8);
  --glow:0 0 0 1px rgba(45,230,200,.5), 0 8px 32px -8px rgba(45,230,200,.55);
  --font:Inter,"HarmonyOS Sans","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text-1);
  background:var(--bg-0);
  background-image:
    radial-gradient(900px 480px at 12% -10%, rgba(45,230,200,.10), transparent 60%),
    radial-gradient(760px 420px at 96% 4%, rgba(255,90,54,.08), transparent 62%);
  background-repeat:no-repeat;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:12px}
a{color:inherit;text-decoration:none}
button,input,select,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;color:var(--text-0);letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--accent);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media(min-width:768px){.container{padding:0 32px}}
@media(min-width:1280px){.container{padding:0 48px}}

/* ---------- 顶部活动条 ---------- */
.activity-bar{
  background:linear-gradient(90deg,rgba(45,230,200,.14),rgba(255,90,54,.10) 78%,rgba(255,255,255,.02));
  border-bottom:1px solid var(--stroke);
  font-size:13px;
  color:var(--text-1);
}
.activity-inner{display:flex;align-items:center;gap:16px;min-height:44px;flex-wrap:wrap}
.status-chip{
  display:inline-flex;align-items:center;gap:7px;
  padding:3px 11px;border-radius:var(--r-pill);
  border:1px solid var(--stroke-accent);
  color:var(--accent);font-size:12px;letter-spacing:.04em;white-space:nowrap;
}
.status-chip .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent)}
.countdown{display:flex;align-items:center;gap:8px;font-variant-numeric:tabular-nums}
.cd-cell{
  min-width:44px;text-align:center;
  background:rgba(255,255,255,.04);
  border:1px solid var(--stroke);
  border-radius:10px;padding:2px 8px;line-height:1.35;
}
.cd-cell b{display:block;font-size:14px;color:var(--accent-2);font-weight:700}
.cd-cell span{font-size:10px;color:var(--text-2);letter-spacing:.08em}
.activity-link{margin-left:auto;color:var(--text-0);font-weight:600;border-bottom:1px solid var(--stroke-accent);padding-bottom:1px}
.activity-link:hover{color:var(--accent-hover)}
@media(max-width:640px){
  .status-chip{display:none}
  .activity-link{margin-left:0}
}

/* ---------- 导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:rgba(5,8,15,.72);backdrop-filter:blur(14px);border-bottom:1px solid transparent;transition:border-color .2s ease-out,background .2s ease-out}
.site-header.is-scrolled{border-bottom-color:var(--stroke);background:rgba(5,8,15,.9)}
.nav-wrap{display:flex;align-items:center;gap:24px;min-height:70px}
.brand{display:flex;align-items:center;gap:11px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;
  display:grid;place-items:center;
  background:linear-gradient(140deg,rgba(45,230,200,.22),rgba(255,90,54,.18));
  border:1px solid var(--stroke-accent);
  color:var(--accent);font-weight:800;font-size:17px;
}
.brand-text{display:flex;flex-direction:column;line-height:1.15}
.brand-text strong{color:var(--text-0);font-size:16px;font-weight:800;letter-spacing:.01em}
.brand-text small{color:var(--text-2);font-size:11px;letter-spacing:.22em}
.main-nav{display:flex;align-items:center;gap:6px;margin-left:8px}
.nav-link{
  position:relative;padding:9px 13px;border-radius:10px;
  font-size:14.5px;color:var(--text-1);
  transition:color .2s ease-out,background .2s ease-out;
}
.nav-link:hover{color:var(--text-0);background:rgba(255,255,255,.05)}
.nav-link.is-active{color:var(--accent);font-weight:600}
.nav-link.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:2px;height:2px;
  border-radius:2px;background:var(--accent);box-shadow:0 0 10px var(--accent);
}
.nav-actions{margin-left:auto;display:flex;align-items:center;gap:10px}
.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 .2s ease-out,box-shadow .2s ease-out,background .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.btn-primary{background:var(--accent);color:#04211C;box-shadow:var(--glow)}
.btn-primary:hover{background:var(--accent-hover);transform:translateY(-1px);box-shadow:0 0 0 1px rgba(45,230,200,.55),0 12px 40px -8px rgba(45,230,200,.7)}
.btn-primary:active{transform:translateY(0)}
.btn-outline{border-color:var(--stroke-accent);color:var(--accent);background:transparent}
.btn-outline:hover{background:rgba(45,230,200,.10);transform:translateY(-1px)}
.btn-ghost{color:var(--text-0);padding:11px 4px}
.btn-ghost:hover{color:var(--accent)}
.btn:disabled,.btn[aria-disabled="true"]{opacity:.45;cursor:not-allowed;transform:none;box-shadow:none}
.nav-toggle{
  display:none;margin-left:auto;
  width:42px;height:42px;border-radius:12px;
  border:1px solid var(--stroke);background:rgba(255,255,255,.04);
  cursor:pointer;color:var(--text-0);
}
.drawer{
  display:none;border-top:1px solid var(--stroke);
  background:rgba(10,17,32,.98);padding:16px 20px 22px;
}
.drawer.is-open{display:block}
.drawer nav{display:flex;flex-direction:column;gap:4px;margin-bottom:14px}
.drawer .nav-link{padding:12px 10px;font-size:15.5px}
.drawer .nav-link.is-active::after{left:10px;right:auto;width:22px;bottom:6px}
.drawer .btn{width:100%}
@media(max-width:1023px){
  .main-nav,.nav-actions{display:none}
  .nav-toggle{display:grid;place-items:center}
}

/* ---------- 面包屑 ---------- */
.crumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2);padding:22px 0 0;flex-wrap:wrap}
.crumb a{color:var(--text-2)}
.crumb a:hover{color:var(--accent)}
.crumb .sep{color:var(--stroke-accent)}
.crumb .cur{color:var(--text-1)}

/* ---------- Hero ---------- */
.hero{
  position:relative;margin-top:20px;border-radius:var(--r-panel);
  overflow:hidden;border:1px solid var(--stroke);
  background:var(--bg-1);
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-3.png");
  background-size:cover;background-position:center;
  opacity:.34;filter:saturate(.9);
}
.hero-mask{position:absolute;inset:0;background:linear-gradient(120deg,rgba(5,8,15,.96) 8%,rgba(5,8,15,.82) 46%,rgba(5,8,15,.55) 100%)}
.hero-grid-lines{
  position:absolute;inset:0;
  background-image:linear-gradient(rgba(255,255,255,.045) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.045) 1px,transparent 1px);
  background-size:64px 64px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.7),transparent 78%);
}
.hero-inner{position:relative;display:grid;grid-template-columns:1.35fr .85fr;gap:40px;padding:52px 44px 46px}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  padding:5px 14px;border-radius:var(--r-pill);
  background:rgba(45,230,200,.12);border:1px solid var(--stroke-accent);
  color:var(--accent);font-size:12.5px;letter-spacing:.06em;margin-bottom:20px;
}
.hero h1{font-size:40px;line-height:1.16;font-weight:800;max-width:16em}
.hero h1 em{font-style:normal;color:var(--accent)}
.hero-sub{margin-top:16px;font-size:16.5px;color:var(--text-1);max-width:34em}
.hero-tags{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 11px;
  border-radius:var(--r-pill);font-size:12.5px;
  background:rgba(255,255,255,.06);color:var(--accent);border:1px solid var(--stroke);
}
.tag.hot{background:rgba(255,90,54,.16);border-color:rgba(255,90,54,.42);color:#FFBBA8}
.tag-muted{background:rgba(255,255,255,.05);color:var(--text-1);border-color:var(--stroke)}
.hero-cta{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-panel{
  align-self:start;
  background:rgba(255,255,255,.04);
  backdrop-filter:blur(20px);
  border:1px solid var(--stroke);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--shadow-card);
}
.hero-panel h2{font-size:14px;letter-spacing:.08em;color:var(--text-2);font-weight:600;text-transform:uppercase}
.stat-list{margin-top:16px;display:flex;flex-direction:column;gap:16px}
.stat{display:flex;align-items:baseline;justify-content:space-between;gap:12px;border-bottom:1px dashed var(--stroke);padding-bottom:14px}
.stat:last-child{border-bottom:0;padding-bottom:0}
.stat b{font-size:26px;color:var(--accent);font-weight:800;font-variant-numeric:tabular-nums;line-height:1}
.stat span{font-size:13.5px;color:var(--text-2)}
@media(max-width:1023px){
  .hero-inner{grid-template-columns:1fr;gap:28px;padding:36px 24px 32px}
  .hero h1{font-size:32px}
}
@media(max-width:640px){
  .hero-inner{padding:28px 18px 26px}
  .hero h1{font-size:27px;line-height:1.24}
  .hero-sub{font-size:15.5px}
}

/* ---------- 通用板块 ---------- */
.section{padding:76px 0}
.section-tight{padding:52px 0}
.sec-head{max-width:760px;margin-bottom:32px}
.sec-kicker{font-size:12.5px;letter-spacing:.16em;color:var(--accent);margin-bottom:10px}
.sec-head h2{font-size:28px;font-weight:700;line-height:1.3}
.sec-head p{margin-top:12px;color:var(--text-1);font-size:15.5px}
.divider{height:1px;background:var(--stroke);border:0;margin:0}

/* ---------- 热门问题带 ---------- */
.quick-band{display:grid;grid-template-columns:1.4fr 1fr 1fr;gap:20px}
.quick-card{
  background:var(--bg-2);border:1px solid var(--stroke);border-radius:var(--r-card);
  padding:24px;display:flex;flex-direction:column;gap:10px;
  transition:border-color .2s ease-out,transform .2s ease-out,box-shadow .2s ease-out;
}
.quick-card:hover{border-color:var(--stroke-accent);transform:translateY(-2px);box-shadow:var(--shadow-card)}
.quick-card .num{
  font-size:13px;font-weight:700;color:var(--accent);letter-spacing:.14em;
}
.quick-card h3{font-size:18px;font-weight:600;line-height:1.45}
.quick-card p{font-size:14.5px;color:var(--text-2)}
.quick-card .go{margin-top:auto;font-size:13.5px;color:var(--accent);display:inline-flex;align-items:center;gap:6px}
.quick-card.wide{background:linear-gradient(160deg,rgba(45,230,200,.10),rgba(15,26,46,.9) 62%);border-color:var(--stroke-accent)}
@media(max-width:900px){.quick-band{grid-template-columns:1fr 1fr}.quick-card.wide{grid-column:1/-1}}
@media(max-width:600px){.quick-band{grid-template-columns:1fr}}

/* ---------- FAQ 两栏 ---------- */
.faq-layout{display:grid;grid-template-columns:250px 1fr;gap:48px;align-items:start}
.toc{position:sticky;top:104px;background:var(--bg-2);border:1px solid var(--stroke);border-radius:var(--r-card);padding:20px}
.toc h2{font-size:13px;letter-spacing:.12em;color:var(--text-2);font-weight:600;margin-bottom:14px}
.toc ol{counter-reset:toc;display:flex;flex-direction:column;gap:2px}
.toc a{
  display:flex;gap:10px;align-items:baseline;
  padding:9px 10px;border-radius:10px;font-size:14.5px;color:var(--text-1);
  border-left:2px solid transparent;transition:all .2s ease-out;
}
.toc a:hover{background:rgba(255,255,255,.05);color:var(--text-0)}
.toc a.is-current{border-left-color:var(--accent);color:var(--accent);background:rgba(45,230,200,.08)}
.toc .idx{font-size:12px;color:var(--text-2);font-variant-numeric:tabular-nums}
.toc-foot{margin-top:18px;padding-top:16px;border-top:1px solid var(--stroke);font-size:13px;color:var(--text-2)}
.toc-foot a{color:var(--accent)}

.faq-main{min-width:0;max-width:820px}
.faq-group{margin-bottom:44px}
.faq-group:last-child{margin-bottom:0}
.group-head{display:flex;align-items:center;gap:14px;margin-bottom:8px}
.group-head .bar{width:4px;height:22px;border-radius:2px;background:var(--accent);box-shadow:0 0 12px rgba(45,230,200,.7)}
.group-head h2{font-size:22px;font-weight:700}
.group-head .count{margin-left:auto;font-size:12.5px;color:var(--text-2)}
.faq-list{border-top:1px solid var(--stroke)}
.faq-item{border-bottom:1px solid var(--stroke)}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  display:flex;align-items:flex-start;gap:16px;
  padding:18px 6px 18px 18px;
  transition:background .2s ease-out;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{background:rgba(255,255,255,.03)}
.faq-item summary h3{font-size:16.5px;font-weight:600;line-height:1.6;flex:1}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:18px;bottom:18px;width:2px;border-radius:2px;
  background:var(--accent);opacity:0;transition:opacity .2s ease-out;
}
.faq-item[open] summary::before{opacity:1}
.faq-item[open] summary h3{color:var(--accent)}
.chev{
  flex-shrink:0;width:22px;height:22px;margin-top:3px;
  display:grid;place-items:center;border-radius:50%;
  border:1px solid var(--stroke);color:var(--text-2);font-size:12px;
  transition:transform .2s ease-out,color .2s ease-out,border-color .2s ease-out;
}
.faq-item[open] .chev{transform:rotate(45deg);color:var(--accent);border-color:var(--stroke-accent)}
.faq-answer{padding:0 6px 22px 18px;max-width:720px;font-size:15px;line-height:1.9;color:var(--text-1)}
.faq-answer strong{color:var(--text-0)}
.faq-answer ul{margin-top:10px;display:flex;flex-direction:column;gap:8px}
.faq-answer li{position:relative;padding-left:16px;font-size:14.5px;color:var(--text-1)}
.faq-answer li::before{content:"";position:absolute;left:0;top:12px;width:6px;height:1px;background:var(--accent)}
@media(max-width:1023px){
  .faq-layout{grid-template-columns:1fr;gap:26px}
  .toc{position:static;overflow-x:auto}
  .toc ol{flex-direction:row;flex-wrap:nowrap;gap:8px}
  .toc a{white-space:nowrap;border-left:0;border-bottom:2px solid transparent;border-radius:10px}
  .toc a.is-current{border-left:0;border-bottom-color:var(--accent)}
}

/* ---------- 状态标签说明 ---------- */
.legend{background:var(--bg-2);border:1px solid var(--stroke);border-radius:var(--r-panel);padding:34px}
.legend-grid{display:grid;grid-template-columns:repeat(auto-fit,minmax(210px,1fr));gap:18px;margin-top:24px}
.legend-item{display:flex;gap:12px;align-items:flex-start;padding:16px;border-radius:12px;background:rgba(255,255,255,.03);border:1px solid var(--stroke)}
.legend-item p{font-size:14px;color:var(--text-2);margin-top:4px}
.legend-item b{font-size:14.5px;color:var(--text-0);display:block}
.badge{display:inline-flex;align-items:center;height:24px;padding:0 11px;border-radius:var(--r-pill);font-size:12.5px;white-space:nowrap}
.badge-level{border:1px solid var(--stroke-accent);color:var(--accent)}
.badge-hot{background:var(--accent-2);color:#200A04;font-weight:700}
.badge-ok{background:rgba(52,211,153,.16);color:var(--ok);border:1px solid rgba(52,211,153,.4)}
.badge-off{background:rgba(124,138,163,.14);color:var(--text-2);border:1px solid var(--stroke)}
.badge-cat{background:rgba(255,255,255,.06);color:var(--accent);border:1px solid var(--stroke)}
.badge-warn{background:rgba(251,191,36,.14);color:var(--warn);border:1px solid rgba(251,191,36,.4)}

/* ---------- 指标带 ---------- */
.metric-band{
  display:grid;grid-template-columns:repeat(3,1fr);gap:0;
  border:1px solid var(--stroke);border-radius:var(--r-panel);overflow:hidden;
  background:linear-gradient(120deg,rgba(45,230,200,.07),rgba(15,26,46,.85));
}
.metric{padding:30px 28px;border-right:1px solid var(--stroke)}
.metric:last-child{border-right:0}
.metric b{display:block;font-size:30px;font-weight:800;color:var(--accent);font-variant-numeric:tabular-nums;line-height:1.1}
.metric span{display:block;margin-top:8px;font-size:14px;color:var(--text-2)}
@media(max-width:768px){
  .metric-band{grid-template-columns:1fr}
  .metric{border-right:0;border-bottom:1px solid var(--stroke)}
  .metric:last-child{border-bottom:0}
}

/* ---------- CTA ---------- */
.cta-panel{
  position:relative;border-radius:var(--r-panel);overflow:hidden;
  border:1px solid var(--stroke-accent);
}
.cta-panel .cta-bg{
  position:absolute;inset:0;
  background-image:url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;opacity:.4;
}
.cta-panel .cta-mask{position:absolute;inset:0;background:linear-gradient(115deg,rgba(5,8,15,.94),rgba(5,8,15,.7))}
.cta-inner{position:relative;padding:48px 44px;display:grid;grid-template-columns:1.3fr .7fr;gap:34px;align-items:center}
.cta-inner h2{font-size:27px;font-weight:700;line-height:1.35}
.cta-inner p{margin-top:14px;font-size:15.5px;color:var(--text-1);max-width:32em}
.cta-list{display:flex;flex-wrap:wrap;gap:12px;margin-top:22px}
.cta-actions{display:flex;flex-direction:column;gap:14px;align-items:flex-start}
.cta-actions .btn{width:100%;justify-content:center}
.cta-note{font-size:13px;color:var(--text-2)}
@media(max-width:900px){
  .cta-inner{grid-template-columns:1fr;padding:34px 24px}
  .cta-inner h2{font-size:23px}
  .cta-actions{flex-direction:row;flex-wrap:wrap;align-items:center}
  .cta-actions .btn{width:auto}
}

/* ---------- 联系表单 ---------- */
.contact{display:grid;grid-template-columns:1fr 320px;gap:32px;align-items:start}
.form-card{background:var(--bg-2);border:1px solid var(--stroke);border-radius:var(--r-panel);padding:32px}
.field{margin-bottom:18px}
.field label{display:block;font-size:13.5px;color:var(--text-1);margin-bottom:8px}
.field label .req{color:var(--accent-2)}
.field input,.field select,.field textarea{
  width:100%;padding:12px 14px;border-radius:var(--r-btn);
  background:rgba(255,255,255,.04);
  border:1px solid var(--stroke);color:var(--text-0);
  transition:border-color .2s ease-out,box-shadow .2s ease-out,background .2s ease-out;
}
.field textarea{min-height:120px;resize:vertical}
.field input::placeholder,.field textarea::placeholder{color:var(--text-2)}
.field input:focus,.field select:focus,.field textarea:focus{
  outline:none;border-color:var(--stroke-accent);background:rgba(45,230,200,.06);
  box-shadow:0 0 0 3px rgba(45,230,200,.14);
}
.field .err{display:block;margin-top:6px;font-size:13px;color:var(--warn)}
.form-grid{display:grid;grid-template-columns:1fr 1fr;gap:0 18px}
.form-note{font-size:13px;color:var(--text-2);margin-top:6px}
.form-feedback{
  margin-top:16px;padding:12px 14px;border-radius:var(--r-btn);
  border:1px solid var(--stroke-accent);background:rgba(45,230,200,.08);
  color:var(--accent);font-size:14px;display:none;
}
.form-feedback.is-visible{display:block}
.help-card{background:var(--bg-2);border:1px solid var(--stroke);border-radius:var(--r-panel);overflow:hidden}
.help-card img{width:100%;height:168px;object-fit:cover;border-radius:0}
.help-body{padding:22px}
.help-body h3{font-size:17px;font-weight:700}
.help-body p{margin-top:10px;font-size:14.5px;color:var(--text-2)}
.help-list{margin-top:16px;display:flex;flex-direction:column;gap:12px}
.help-list li{font-size:14px;color:var(--text-1);display:flex;gap:10px}
.help-list li span:first-child{color:var(--accent);font-variant-numeric:tabular-nums}
@media(max-width:900px){
  .contact{grid-template-columns:1fr}
  .form-grid{grid-template-columns:1fr}
}

/* ---------- 页脚 ---------- */
.site-footer{margin-top:40px;border-top:1px solid var(--stroke);background:var(--bg-1)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:34px;padding:56px 0 34px}
.footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px}
.footer-brand strong{color:var(--text-0);font-size:16px;font-weight:800}
.footer-brand small{display:block;color:var(--text-2);font-size:11px;letter-spacing:.2em}
.footer-about{font-size:14px;color:var(--text-2);max-width:30em}
.footer-quote{
  margin-top:18px;padding:14px 16px;border-radius:14px;
  background:rgba(255,255,255,.04);border:1px solid var(--stroke);
  display:flex;align-items:center;gap:11px;font-size:13px;color:var(--text-1);
}
.avatar{
  width:28px;height:28px;border-radius:50%;display:grid;place-items:center;
  background:rgba(45,230,200,.16);border:1px solid var(--stroke-accent);
  color:var(--accent);font-size:13px;font-weight:700;flex-shrink:0;
}
.footer-col h4{font-size:13px;letter-spacing:.12em;color:var(--text-2);font-weight:600;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14.5px;color:var(--text-1)}
.footer-col a:hover{color:var(--accent)}
.footer-col p{font-size:14px;color:var(--text-2);margin-bottom:10px}
.footer-bottom{
  border-top:1px solid var(--stroke);padding:20px 0 28px;
  display:flex;flex-wrap:wrap;gap:12px;align-items:center;justify-content:space-between;
  font-size:13px;color:var(--text-2);
}
.footer-bottom .links{display:flex;gap:16px;flex-wrap:wrap}
.footer-bottom a:hover{color:var(--accent)}
@media(max-width:900px){
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:40px 0 26px}
}
@media(max-width:560px){
  .footer-grid{grid-template-columns:1fr}
}

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