/* roulang page: index */
:root{
  --ink:#0C0A18;
  --ink-2:#1A1730;
  --paper:#F7F6FB;
  --panel:#FFFFFF;
  --brand:#6A4BF0;
  --brand-deep:#4A2FD0;
  --brand-soft:#EDE9FE;
  --accent:#FF6A3D;
  --mint:#35D0A5;
  --text:#16142B;
  --muted:#5E5B7A;
  --line:#E7E5F2;
  --line-soft:#E9E7F3;
  --r-card:16px;
  --r-nav:18px;
  --r-sm:12px;
  --sh-1:0 1px 2px rgba(16,12,40,.05), 0 10px 28px -16px rgba(16,12,40,.20);
  --sh-2:0 22px 56px -26px rgba(24,16,60,.38);
  --ease:cubic-bezier(.22,.61,.36,1);
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  --mono:ui-monospace,"Roboto Mono",Menlo,Consolas,monospace;
  --nav-h:104px;
  --sec:104px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;font-family:var(--sans);font-size:16px;line-height:1.85;color:var(--text);
  background:var(--paper);-webkit-font-smoothing:antialiased;text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none;background:transparent}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.01em;color:var(--text);line-height:1.22}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
input,select,textarea{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.xx-mono{font-family:var(--mono);letter-spacing:.02em}

.xx-wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 40px}
.xx-sec{padding:var(--sec) 0}
.xx-sec--tight{padding:72px 0}

/* ---------- 导航 ---------- */
.xx-header{position:sticky;top:0;z-index:60;padding:16px 0;transition:background .28s var(--ease)}
.xx-header.is-scrolled{background:rgba(247,246,251,.92);box-shadow:0 10px 30px -24px rgba(16,12,40,.5)}
.xx-navcard{
  display:flex;align-items:center;gap:18px;height:72px;padding:0 18px;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-nav);box-shadow:var(--sh-1);
}
.xx-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;padding-right:6px}
.xx-logo{width:34px;height:34px;flex:0 0 auto}
.xx-brand-txt{font-size:17px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.xx-navlist{display:flex;align-items:center;gap:6px;flex:1 1 auto;min-width:0}
.xx-navitem{
  display:flex;align-items:center;gap:7px;padding:9px 13px;border-radius:var(--r-sm);
  font-size:13.5px;font-weight:600;color:var(--muted);position:relative;
  transition:background .28s var(--ease),color .28s var(--ease);
}
.xx-navitem svg{width:15px;height:15px;transition:transform .28s var(--ease)}
.xx-navitem:hover{background:var(--brand-soft);color:var(--brand-deep)}
.xx-navitem:hover svg{transform:translateY(-1px)}
.xx-navitem.is-active{background:var(--brand-soft);color:var(--brand-deep)}
.xx-navitem.is-active::after{
  content:"";position:absolute;left:13px;right:13px;bottom:4px;height:2px;border-radius:2px;background:var(--brand);
}
.xx-navright{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.xx-iconbtn{
  width:40px;height:40px;border-radius:50%;border:1px solid #D8D5E8;display:flex;align-items:center;justify-content:center;
  color:var(--muted);transition:border-color .28s var(--ease),color .28s var(--ease),transform .28s var(--ease);
}
.xx-iconbtn svg{width:17px;height:17px}
.xx-iconbtn:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}
.xx-burger{display:none}
.xx-mobile{display:none}

/* ---------- 按钮 ---------- */
.xx-btn{
  display:inline-flex;align-items:center;gap:10px;height:48px;padding:0 24px;border-radius:999px;
  background:var(--brand);color:#fff;font-size:15px;font-weight:600;
  transition:background .28s var(--ease),transform .28s var(--ease),box-shadow .28s var(--ease);
}
.xx-btn svg{width:16px;height:16px;transition:transform .28s var(--ease)}
.xx-btn:hover{background:var(--brand-deep);transform:translateY(-2px);box-shadow:0 10px 24px -10px rgba(106,75,240,.55)}
.xx-btn:hover svg{transform:translateX(4px)}
.xx-btn:active{transform:translateY(0)}
.xx-btn--accent{background:var(--accent)}
.xx-btn--accent:hover{background:#E8552A;box-shadow:0 10px 24px -10px rgba(255,106,61,.6)}
.xx-btn--ghost{background:transparent;border:1px solid rgba(255,255,255,.42);color:#fff}
.xx-btn--ghost:hover{background:rgba(255,255,255,.1);border-color:#fff;box-shadow:none}
.xx-btn--line{background:transparent;border:1px solid #D8D5E8;color:var(--text)}
.xx-btn--line:hover{border-color:var(--brand);color:var(--brand);background:transparent;box-shadow:none}
.xx-btn--sm{height:42px;padding:0 18px;font-size:14px}
.xx-link{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);
  position:relative;padding-bottom:2px;
}
.xx-link::after{
  content:"";position:absolute;left:0;bottom:0;height:1px;width:0;background:var(--brand);
  transition:width .28s var(--ease);
}
.xx-link:hover::after{width:100%}

/* ---------- 徽章 ---------- */
.xx-badge{
  display:inline-flex;align-items:center;gap:6px;padding:3px 10px;border-radius:999px;
  font-size:12px;font-weight:600;line-height:1.7;background:var(--brand-soft);color:var(--brand-deep);
}
.xx-badge--live{background:var(--accent);color:#fff}
.xx-badge--live::before{
  content:"";width:6px;height:6px;border-radius:50%;background:#fff;animation:xx-pulse 1.6s infinite;
}
.xx-badge--done{background:#F1F0F7;color:var(--muted)}
.xx-badge--light{background:rgba(255,255,255,.14);color:#fff}
@keyframes xx-pulse{0%,100%{opacity:1}50%{opacity:.35}}
.xx-time{font-family:var(--mono);font-size:13px;color:var(--muted);letter-spacing:.02em}
.xx-timecode{
  position:absolute;left:12px;bottom:12px;padding:2px 9px;border-radius:999px;
  background:rgba(12,10,24,.62);color:#fff;font-family:var(--mono);font-size:12px;letter-spacing:.02em;
}

/* ---------- Hero ---------- */
.xx-hero{
  position:relative;min-height:78vh;display:flex;align-items:flex-end;overflow:hidden;
  margin-top:calc(var(--nav-h) * -1);padding:calc(var(--nav-h) + 96px) 0 72px;color:#fff;background:var(--ink);
}
.xx-hero-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-1.webp') center/cover no-repeat;transform:scale(1.02)}
.xx-hero-bg::after{
  content:"";position:absolute;inset:0;
  background:
    linear-gradient(90deg,rgba(12,10,24,.94) 0%,rgba(12,10,24,.62) 48%,rgba(12,10,24,.18) 100%),
    linear-gradient(180deg,transparent 55%,rgba(12,10,24,.85) 100%);
}
.xx-hero-inner{position:relative;z-index:2;width:100%}
.xx-hero-axis{max-width:640px}
.xx-hero h1{
  color:#fff;font-size:clamp(34px,5.2vw,64px);line-height:1.1;font-weight:800;margin:18px 0 18px;
}
.xx-hero-sub{font-size:17px;line-height:1.8;color:rgba(255,255,255,.82);max-width:560px}
.xx-hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.xx-stats{display:flex;flex-wrap:wrap;gap:34px;margin-top:52px;padding-top:26px;border-top:1px solid rgba(255,255,255,.14)}
.xx-stat{min-width:96px}
.xx-stat b{display:block;font-family:var(--mono);font-size:26px;font-weight:700;color:#fff;letter-spacing:.02em;line-height:1.2}
.xx-stat span{font-size:12px;color:rgba(255,255,255,.6)}
.xx-float{
  position:absolute;right:40px;bottom:52px;width:280px;z-index:3;
  background:rgba(255,255,255,.97);border-radius:var(--r-card);box-shadow:var(--sh-2);overflow:hidden;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.xx-float:hover{transform:translateY(-4px)}
.xx-float img{width:100%;height:150px;object-fit:cover}
.xx-float-body{padding:12px 14px 14px}
.xx-float-body h3{font-size:14px;font-weight:700;line-height:1.5;color:var(--text)}
.xx-float-body .xx-time{display:block;margin-top:6px;font-size:12px}

/* ---------- 板块标题 ---------- */
.xx-sechead{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.xx-sechead h2{font-size:clamp(26px,3vw,38px)}
.xx-sechead .xx-kicker{font-size:13px;color:var(--muted);margin-top:8px}
.xx-eyebrow{
  display:inline-block;font-size:12px;font-family:var(--mono);letter-spacing:.14em;color:var(--brand-deep);
  text-transform:uppercase;margin-bottom:10px;
}

/* ---------- 片库横滑 ---------- */
.xx-rail-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:28px}
.xx-rail-head h2{font-size:clamp(24px,2.6vw,34px)}
.xx-rail-count{font-size:13px;color:var(--muted);margin-top:6px}
.xx-rail-tools{display:flex;align-items:center;gap:10px}
.xx-rail{overflow-x:auto;overflow-y:hidden;padding:6px 0 18px;scroll-snap-type:x proximity;scrollbar-width:none}
.xx-rail::-webkit-scrollbar{display:none}
.xx-rail-track{display:flex;gap:22px;padding-right:8px}
.xx-rail-card{flex:0 0 280px;scroll-snap-align:start}
.xx-card{
  display:flex;flex-direction:column;height:100%;background:var(--panel);border:1px solid var(--line-soft);
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.xx-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#DDD8F5}
.xx-media{position:relative;overflow:hidden;background:#EDEBF6}
.xx-media img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.xx-card:hover .xx-media img{transform:scale(1.04)}
.xx-media--16-10{aspect-ratio:16/10}
.xx-media--3-4{aspect-ratio:3/4}
.xx-media--3-2{aspect-ratio:3/2}
.xx-media-badge{position:absolute;left:12px;top:12px}
.xx-card-body{padding:16px 16px 18px;display:flex;flex-direction:column;gap:8px;flex:1 1 auto}
.xx-card-body h3{
  font-size:17px;font-weight:700;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.xx-card-meta{display:flex;align-items:center;gap:8px;margin-top:auto;font-size:13px;color:var(--muted)}
.xx-dot{width:3px;height:3px;border-radius:50%;background:#C9C6DC}

/* ---------- 热播推荐 7:5 ---------- */
.xx-feature{display:grid;grid-template-columns:7fr 5fr;gap:28px;align-items:start}
.xx-feature-main .xx-card-body{padding:20px 20px 22px}
.xx-feature-main h3{font-size:22px}
.xx-feature-main p{font-size:15px;color:var(--muted);line-height:1.8;margin-top:4px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.xx-sidelist{background:var(--panel);border:1px solid var(--line-soft);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden}
.xx-sideitem{display:flex;align-items:center;gap:14px;padding:14px 16px;transition:background .28s var(--ease)}
.xx-sideitem + .xx-sideitem{border-top:1px solid var(--line)}
.xx-sideitem:hover{background:var(--brand-soft)}
.xx-sideitem img{width:96px;height:64px;object-fit:cover;border-radius:10px;flex:0 0 auto}
.xx-sideitem div{min-width:0}
.xx-sideitem h3{font-size:15px;font-weight:700;line-height:1.5;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.xx-sideitem .xx-time{display:block;margin-top:4px;font-size:12px}

/* ---------- 片单分区 ---------- */
.xx-tabs{display:grid;grid-template-columns:240px 1fr;gap:32px;align-items:start}
.xx-tablist{display:flex;flex-direction:column;gap:6px;position:sticky;top:calc(var(--nav-h) + 12px)}
.xx-tab{
  display:flex;align-items:center;justify-content:space-between;gap:12px;height:48px;padding:0 14px;border-radius:12px;
  font-size:14.5px;font-weight:600;color:var(--muted);text-align:left;
  transition:background .28s var(--ease),color .28s var(--ease);
}
.xx-tab span{font-family:var(--mono);font-size:12px;color:#B6B2CC}
.xx-tab:hover{background:#F1EFFA;color:var(--brand-deep)}
.xx-tab.is-active{background:var(--brand-soft);color:var(--brand-deep);box-shadow:inset 3px 0 0 var(--brand)}
.xx-tab.is-active span{color:var(--brand)}
.xx-panel{display:none}
.xx-panel.is-active{display:block}

/* ---------- CMS 资讯列表 ---------- */
.xx-news-list{background:var(--panel);border:1px solid var(--line-soft);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden}
.xx-news-item{
  display:flex;align-items:center;gap:20px;padding:16px 20px;
  transition:background .28s var(--ease),box-shadow .28s var(--ease);
}
.xx-news-item + .xx-news-item{border-top:1px solid var(--line)}
.xx-news-item:hover{background:#fff;box-shadow:var(--sh-1)}
.xx-news-thumb{flex:0 0 auto;width:240px;height:150px;border-radius:12px;overflow:hidden;background:#EDEBF6}
.xx-news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.xx-news-item:hover .xx-news-thumb img{transform:scale(1.04)}
.xx-news-body{min-width:0;flex:1 1 auto}
.xx-news-body h3{
  font-size:19px;font-weight:700;line-height:1.5;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.xx-news-item:hover .xx-news-body h3{color:var(--brand-deep)}
.xx-news-body p{
  margin-top:8px;font-size:15px;line-height:1.8;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.xx-news-meta{display:flex;align-items:center;gap:10px;margin-top:12px}
.xx-news-arrow{flex:0 0 auto;color:#C6C2DA;font-size:18px;transition:transform .28s var(--ease),color .28s var(--ease)}
.xx-news-item:hover .xx-news-arrow{transform:translateX(4px);color:var(--brand)}
.xx-news-more{display:flex;justify-content:center;padding:22px 0 26px;background:var(--panel);border-top:1px solid var(--line)}
.xx-empty{
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;min-height:260px;
  border:1px dashed #D8D5E8;border-radius:var(--r-card);background:var(--panel);text-align:center;padding:40px 24px;
}
.xx-empty svg{width:48px;height:48px;color:#C6C2DA}
.xx-empty p{font-size:15px;color:var(--muted)}

/* ---------- FAQ ---------- */
.xx-faq{display:grid;grid-template-columns:5fr 7fr;gap:48px;align-items:start}
.xx-faq-left h2{font-size:clamp(26px,3vw,38px)}
.xx-faq-left p{margin-top:16px;font-size:15.5px;color:var(--muted);line-height:1.85}
.xx-faq-left .xx-btn{margin-top:26px}
.xx-faq-list{display:flex;flex-direction:column;gap:12px}
.xx-faq-item{background:var(--panel);border:1px solid var(--line);border-radius:14px;overflow:hidden;transition:border-color .28s var(--ease),box-shadow .28s var(--ease)}
.xx-faq-item:hover{border-color:#D8D3F2}
.xx-faq-item.is-open{border-color:#CFC8F5;box-shadow:var(--sh-1)}
.xx-faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 20px;text-align:left;font-size:16.5px;font-weight:700;color:var(--text);
  transition:color .28s var(--ease);
}
.xx-faq-item.is-open .xx-faq-q{color:var(--brand-deep)}
.xx-faq-item.is-open .xx-faq-q{box-shadow:inset 3px 0 0 var(--brand)}
.xx-faq-plus{
  flex:0 0 auto;width:22px;height:22px;position:relative;transition:transform .28s var(--ease);
}
.xx-faq-plus::before,.xx-faq-plus::after{
  content:"";position:absolute;left:50%;top:50%;background:currentColor;border-radius:2px;
  transform:translate(-50%,-50%);
}
.xx-faq-plus::before{width:13px;height:1.8px}
.xx-faq-plus::after{width:1.8px;height:13px}
.xx-faq-item.is-open .xx-faq-plus{transform:rotate(45deg);color:var(--brand)}
.xx-faq-a{max-height:0;overflow:hidden;transition:max-height .32s var(--ease)}
.xx-faq-a p{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--muted)}

/* ---------- CTA 订阅 ---------- */
.xx-cta{
  position:relative;overflow:hidden;background:var(--ink);color:#fff;border-radius:24px;
  padding:56px;display:grid;grid-template-columns:6fr 6fr;gap:40px;align-items:center;
}
.xx-cta::before{
  content:"";position:absolute;inset:0;background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;opacity:.12;
}
.xx-cta::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.22) 1px,transparent 1px);
  background-size:34px 34px;opacity:.28;
}
.xx-cta > *{position:relative;z-index:2}
.xx-cta h2{color:#fff;font-size:clamp(24px,2.8vw,34px)}
.xx-cta p{margin-top:14px;font-size:15.5px;color:rgba(255,255,255,.72);line-height:1.85}
.xx-form{display:flex;gap:12px}
.xx-input{
  flex:1 1 auto;height:48px;padding:0 16px;border-radius:12px;background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);color:#fff;font-size:15px;transition:border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.xx-input::placeholder{color:rgba(255,255,255,.6)}
.xx-input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 2px rgba(106,75,240,.55);background:rgba(255,255,255,.12)}
.xx-form-note{margin-top:12px;font-size:13px;color:rgba(255,255,255,.58);min-height:20px}
.xx-form-note.is-ok{color:var(--mint)}
.xx-form-note.is-err{color:#FF9C7C}

/* ---------- 页脚 ---------- */
.xx-footer{background:var(--ink);color:#fff;padding:76px 0 0}
.xx-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px;padding-bottom:48px}
.xx-footer .xx-brand-txt{color:#fff}
.xx-footer-desc{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.62);max-width:280px}
.xx-social{display:flex;gap:10px;margin-top:20px}
.xx-social a{
  width:38px;height:38px;border-radius:50%;border:1px solid rgba(255,255,255,.2);
  display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.75);
  transition:border-color .28s var(--ease),color .28s var(--ease),transform .28s var(--ease);
}
.xx-social a svg{width:16px;height:16px}
.xx-social a:hover{border-color:#fff;color:#fff;transform:translateY(-2px)}
.xx-footer h4{color:#fff;font-size:14px;font-weight:700;letter-spacing:.04em;margin-bottom:18px}
.xx-footer ul li{margin-bottom:11px}
.xx-footer ul li a,.xx-footer ul li span{font-size:14px;color:rgba(255,255,255,.72);transition:color .28s var(--ease),transform .28s var(--ease);display:inline-block}
.xx-footer ul li a:hover{color:#fff;transform:translateX(-2px)}
.xx-footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:22px 0 26px;display:flex;align-items:center;
  justify-content:space-between;gap:16px;flex-wrap:wrap;
}
.xx-footer-bottom p{font-size:13px;color:rgba(255,255,255,.5)}
.xx-domain{font-size:11px;color:rgba(255,255,255,.28);letter-spacing:.04em}

/* ---------- 滚动入场 ---------- */
.xx-reveal{opacity:0;transform:translateY(16px);transition:opacity .5s var(--ease),transform .5s var(--ease)}
.xx-reveal.is-in{opacity:1;transform:none}

/* ---------- 响应式 ---------- */
@media (min-width:1440px){
  .xx-wrap{max-width:1320px}
  .xx-float{right:60px}
}
@media (max-width:1199px){
  .xx-sec{--sec:80px;padding:80px 0}
}
@media (max-width:1023px){
  :root{--nav-h:96px}
  .xx-wrap{padding:0 28px}
  .xx-sec{padding:80px 0}
  .xx-navlist{display:none}
  .xx-burger{display:flex}
  .xx-navcard{height:64px;padding:0 14px}
  .xx-hero{min-height:68vh;padding:calc(var(--nav-h) + 72px) 0 60px}
  .xx-float{display:none}
  .xx-feature{grid-template-columns:1fr;gap:24px}
  .xx-faq{grid-template-columns:1fr;gap:28px}
  .xx-tabs{grid-template-columns:1fr;gap:20px}
  .xx-tablist{position:static;flex-direction:row;overflow-x:auto;gap:8px;padding-bottom:6px}
  .xx-tablist::-webkit-scrollbar{display:none}
  .xx-tab{height:42px;white-space:nowrap;box-shadow:none}
  .xx-tab.is-active{box-shadow:inset 0 -2px 0 var(--brand)}
  .xx-cta{grid-template-columns:1fr;padding:40px 28px;border-radius:20px}
  .xx-footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .xx-mobile{
    position:absolute;left:0;right:0;top:calc(100% + 10px);z-index:55;
    background:var(--panel);border:1px solid var(--line);border-radius:var(--r-nav);box-shadow:var(--sh-2);
    padding:16px;display:none;
  }
  .xx-mobile.is-open{display:block}
  .xx-mobile-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px}
  .xx-mobile-grid .xx-navitem{background:#F7F6FB}
  .xx-mobile .xx-btn{width:100%;justify-content:center;margin-top:12px}
  .xx-header .xx-wrap{position:relative}
}
@media (max-width:767px){
  .xx-wrap{padding:0 20px}
  .xx-sec{padding:60px 0}
  .xx-hero{min-height:62vh;padding:calc(var(--nav-h) + 56px) 0 52px}
  .xx-hero h1{margin:14px 0 14px}
  .xx-hero-sub{font-size:15.5px}
  .xx-stats{gap:22px;margin-top:36px;padding-top:20px}
  .xx-stat b{font-size:22px}
  .xx-btn{height:44px;padding:0 20px}
  .xx-sechead{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:24px}
  .xx-rail-card{flex:0 0 78vw}
  .xx-rail{scroll-snap-type:x mandatory}
  .xx-news-item{padding:14px;gap:14px}
  .xx-news-thumb{width:108px;height:76px}
  .xx-news-body h3{font-size:16.5px;-webkit-line-clamp:2}
  .xx-news-body p{font-size:14px;-webkit-line-clamp:2}
  .xx-news-item:nth-child(n+5){display:none}
  .xx-form{flex-direction:column}
  .xx-form .xx-btn{width:100%;justify-content:center}
  .xx-footer-grid{grid-template-columns:1fr;gap:28px}
}
@media (max-width:639px){
  .xx-sideitem img{width:84px;height:60px}
}
@media (max-width:479px){
  .xx-news-thumb{width:84px;height:66px}
  .xx-hero-cta .xx-btn{width:100%;justify-content:center}
  .xx-mobile-grid{grid-template-columns:1fr}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important;scroll-behavior:auto !important}
  .xx-reveal{opacity:1;transform:none}
}

/* roulang page: article */
:root{
  --deep:#0C0A18;
  --deep-2:#1A1730;
  --paper:#F7F6FB;
  --card:#FFFFFF;
  --brand:#6A4BF0;
  --brand-d:#4A2FD0;
  --brand-l:#EDE9FE;
  --brand-soft:#B9ACFF;
  --accent:#FF6A3D;
  --mint:#35D0A5;
  --ink:#16142B;
  --muted:#5E5B7A;
  --line:#E7E5F2;
  --line-2:#E9E7F3;
  --r-card:16px;
  --r-nav:18px;
  --r-sm:12px;
  --sh-1:0 1px 2px rgba(16,12,40,.05), 0 10px 28px -16px rgba(16,12,40,.20);
  --sh-2:0 22px 56px -26px rgba(24,16,60,.38);
  --ease:cubic-bezier(.22,.61,.36,1);
  --font:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --mono:ui-monospace,"Roboto Mono",Menlo,Consolas,monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  font-weight:400;
  color:var(--ink);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,blockquote{margin:0}
h1,h2,h3,h4{font-weight:700;letter-spacing:-.01em;line-height:1.25}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{margin:0;padding:0;list-style:none}
button,input{font-family:inherit;font-size:inherit}
button{cursor:pointer;border:0;background:none;color:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
table{border-collapse:collapse;width:100%}

.xx-skip{position:absolute;left:-9999px;top:0;background:var(--brand);color:#fff;padding:10px 16px;border-radius:0 0 12px 0;z-index:200}
.xx-skip:focus{left:0}

.xx-wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 40px}
@media (min-width:1440px){.xx-wrap{max-width:1320px}}
@media (max-width:1023px){.xx-wrap{padding:0 28px}}
@media (max-width:639px){.xx-wrap{padding:0 20px}}

/* ---------- header / nav ---------- */
.xx-header{position:sticky;top:0;z-index:80;background:var(--paper);padding:18px 0 12px}
.xx-navcard{
  display:flex;align-items:center;gap:16px;
  height:72px;padding:0 18px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-nav);
  box-shadow:var(--sh-1);
}
.xx-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.xx-logo{width:34px;height:34px;flex:0 0 auto}
.xx-brand-txt{font-size:16px;font-weight:800;letter-spacing:-.01em;white-space:nowrap}
.xx-navlist{display:flex;align-items:center;gap:6px;margin-left:10px}
.xx-navitem{
  position:relative;display:flex;align-items:center;gap:7px;
  height:40px;padding:0 12px;border-radius:var(--r-sm);
  font-size:13px;color:#3A3757;
  transition:background .28s var(--ease),color .28s var(--ease);
}
.xx-navitem svg{width:16px;height:16px;flex:0 0 auto;transition:transform .28s var(--ease)}
.xx-navitem:hover{background:var(--brand-l);color:var(--brand-d)}
.xx-navitem:hover svg{transform:translateY(-1px)}
.xx-navitem.is-active{background:var(--brand-l);color:var(--brand-d);font-weight:600}
.xx-navitem.is-active::after{content:"";position:absolute;left:12px;right:12px;bottom:4px;height:2px;border-radius:2px;background:var(--brand)}
.xx-navactions{margin-left:auto;display:flex;align-items:center;gap:10px}
.xx-iconbtn{
  width:40px;height:40px;border-radius:50%;
  border:1px solid #E1DEEE;background:#fff;color:#4A4766;
  display:grid;place-items:center;
  transition:border-color .28s var(--ease),color .28s var(--ease),transform .28s var(--ease);
}
.xx-iconbtn:hover{border-color:var(--brand);color:var(--brand-d);transform:translateY(-2px)}
.xx-iconbtn svg{width:18px;height:18px}
.xx-burger{
  display:none;width:40px;height:40px;border-radius:12px;
  border:1px solid #E1DEEE;background:#fff;color:var(--ink);
  align-items:center;justify-content:center;
}
.xx-burger svg{width:20px;height:20px}
.xx-mobile-panel{
  display:none;margin-top:10px;padding:14px;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-nav);
  box-shadow:var(--sh-1);
}
.xx-mobile-panel.is-open{display:block}
.xx-mobile-grid{display:grid;grid-template-columns:1fr 1fr;gap:8px;margin-bottom:12px}
.xx-mobile-panel .xx-navitem{height:44px;background:#F7F6FB}

/* ---------- buttons / badges ---------- */
.xx-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:999px;
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background .28s var(--ease),color .28s var(--ease),transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.xx-btn svg{width:16px;height:16px;flex:0 0 auto;transition:transform .28s var(--ease)}
.xx-btn-primary{background:var(--brand);color:#fff}
.xx-btn-primary:hover{background:var(--brand-d);color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px -10px rgba(106,75,240,.55)}
.xx-btn-primary:hover svg{transform:translateX(4px)}
.xx-btn-accent{background:var(--accent);color:#fff}
.xx-btn-accent:hover{background:#F0521F;color:#fff;transform:translateY(-2px);box-shadow:0 10px 24px -10px rgba(255,106,61,.55)}
.xx-btn-ghost{background:transparent;border-color:#D8D5E8;color:var(--ink)}
.xx-btn-ghost:hover{border-color:var(--brand);color:var(--brand-d);transform:translateY(-2px)}
.xx-btn-sm{height:40px;padding:0 16px;font-size:14px}
.xx-badge{
  display:inline-flex;align-items:center;gap:6px;
  height:26px;padding:0 10px;border-radius:999px;
  font-size:12px;font-weight:600;letter-spacing:.01em;
  background:var(--brand-l);color:var(--brand-d);
}
.xx-badge-live{background:var(--accent);color:#fff}
.xx-badge-live::before{content:"";width:6px;height:6px;border-radius:50%;background:#fff;animation:xx-pulse 1.6s infinite}
.xx-badge-done{background:#F1F0F7;color:var(--muted)}
@keyframes xx-pulse{0%,100%{opacity:1}50%{opacity:.35}}

/* ---------- article hero ---------- */
.xx-post-hero{
  position:relative;overflow:hidden;
  min-height:380px;display:flex;align-items:flex-end;
  padding:72px 0 56px;background:var(--deep);color:#fff;
}
.xx-post-hero-bg{
  position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
}
.xx-post-hero-mask{
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(12,10,24,.94) 0%,rgba(12,10,24,.62) 48%,rgba(12,10,24,.18) 100%),
             linear-gradient(180deg,transparent 45%,rgba(12,10,24,.85) 100%);
}
.xx-post-hero .xx-wrap{position:relative;z-index:2}
.xx-crumb{font-size:13px;color:rgba(255,255,255,.7);margin-bottom:18px}
.xx-crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.xx-crumb li{display:flex;align-items:center;gap:8px}
.xx-crumb li::after{content:"/";color:rgba(255,255,255,.34)}
.xx-crumb li:last-child::after{content:""}
.xx-crumb a{transition:color .28s var(--ease)}
.xx-crumb a:hover{color:#fff;text-decoration:underline}
.xx-crumb li[aria-current]{color:var(--brand-soft);max-width:44ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.xx-post-h1{
  font-size:clamp(28px,3.6vw,44px);
  line-height:1.18;font-weight:800;letter-spacing:-.015em;
  max-width:900px;margin:16px 0 20px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.xx-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px 14px;font-size:13px;color:rgba(255,255,255,.72)}
.xx-meta .xx-dot{width:4px;height:4px;border-radius:50%;background:rgba(255,255,255,.4)}
.xx-time{font-family:var(--mono);letter-spacing:.02em;color:rgba(255,255,255,.86)}
.xx-source{display:inline-flex;align-items:center;gap:6px;color:rgba(255,255,255,.86)}

/* ---------- reader layout ---------- */
.xx-section{padding:104px 0}
.xx-article-section{padding:72px 0 104px}
.xx-reader{display:grid;grid-template-columns:minmax(0,1fr) 340px;gap:64px;align-items:start}

.xx-post-body{max-width:800px;font-size:17px;line-height:1.9;color:var(--ink)}
.xx-post-body > *:first-child{margin-top:0}
.xx-post-body p{margin:0 0 1.4em}
.xx-post-body h2{position:relative;font-size:clamp(22px,2.2vw,28px);line-height:1.32;margin:48px 0 20px;padding-left:16px}
.xx-post-body h2::before{content:"";position:absolute;left:0;top:.16em;width:4px;height:.9em;border-radius:2px;background:var(--brand)}
.xx-post-body h3{font-size:20px;line-height:1.4;margin:34px 0 14px}
.xx-post-body h4{font-size:17px;margin:26px 0 12px}
.xx-post-body ul{margin:0 0 1.4em;padding-left:4px}
.xx-post-body ul li{position:relative;padding-left:20px;margin-bottom:.6em}
.xx-post-body ul li::before{content:"";position:absolute;left:0;top:.72em;width:7px;height:7px;border-radius:50%;background:var(--brand)}
.xx-post-body ol{counter-reset:xxol;margin:0 0 1.4em;padding-left:4px}
.xx-post-body ol li{counter-increment:xxol;position:relative;padding-left:32px;margin-bottom:.6em}
.xx-post-body ol li::before{
  content:counter(xxol,decimal-leading-zero);
  position:absolute;left:0;top:.12em;
  font-family:var(--mono);font-size:13px;letter-spacing:.02em;color:var(--brand-d);
}
.xx-post-body blockquote{
  margin:28px 0;padding:18px 22px;
  background:#F3F1FC;border-left:3px solid var(--brand);
  border-radius:0 var(--r-sm) var(--r-sm) 0;
  font-size:18px;font-style:italic;color:#3F3B60;
}
.xx-post-body img{border-radius:12px;margin:24px auto;height:auto}
.xx-post-body figure{margin:26px 0}
.xx-post-body figcaption{text-align:center;font-size:13px;color:var(--muted);margin-top:10px}
.xx-post-body a{color:var(--brand-d);border-bottom:1px solid rgba(74,47,208,.3);transition:border-color .28s var(--ease)}
.xx-post-body a:hover{border-bottom-color:var(--brand-d)}
.xx-post-body table{font-size:15px}
.xx-post-body th{background:var(--brand-l);color:var(--brand-d);text-align:left;padding:12px 14px;font-weight:600;white-space:nowrap}
.xx-post-body td{padding:12px 14px;border-top:1px solid var(--line)}
.xx-tablewrap{overflow-x:auto;border:1px solid var(--line);border-radius:12px;margin:26px 0}
.xx-tablewrap table{margin:0;min-width:520px}
.xx-post-body pre{
  background:var(--deep);color:#EDEAFB;border-radius:12px;
  padding:18px 20px;overflow:auto;margin:26px 0;
  font-family:var(--mono);font-size:14px;line-height:1.7;
}
.xx-post-body code{font-family:var(--mono);font-size:.92em;background:#F1F0F7;padding:2px 6px;border-radius:6px}
.xx-post-body pre code{background:none;padding:0;color:inherit}

.xx-empty{
  border:1px dashed #D8D5E8;border-radius:var(--r-card);
  background:#fff;padding:56px 24px;text-align:center;
}
.xx-empty svg{width:48px;height:48px;color:#B7B2CE;margin:0 auto 16px}
.xx-empty p{color:var(--muted);margin-bottom:20px;font-size:15px}

/* ---------- sidebar ---------- */
.xx-side{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.xx-sidecard{background:var(--card);border:1px solid var(--line-2);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1)}
.xx-sidecard-title{display:flex;align-items:center;gap:8px;font-size:16px;font-weight:700;margin-bottom:14px}
.xx-sidecard-title::before{content:"";width:4px;height:16px;border-radius:2px;background:var(--brand)}
.xx-navlinks a{
  display:flex;align-items:center;justify-content:space-between;
  padding:11px 12px;border-radius:10px;font-size:14px;color:#3A3757;
  transition:background .28s var(--ease),color .28s var(--ease),padding .28s var(--ease);
}
.xx-navlinks a svg{width:16px;height:16px;opacity:.5;transition:transform .28s var(--ease),opacity .28s var(--ease)}
.xx-navlinks a:hover{background:var(--brand-l);color:var(--brand-d);padding-left:16px}
.xx-navlinks a:hover svg{transform:translateX(3px);opacity:1}
.xx-tagcloud{display:flex;flex-wrap:wrap;gap:8px}
.xx-tag{
  display:inline-flex;align-items:center;height:30px;padding:0 12px;border-radius:999px;
  background:#F3F1FC;color:#4A2FD0;font-size:12.5px;
  transition:background .28s var(--ease),color .28s var(--ease),transform .28s var(--ease);
}
.xx-tag:hover{background:var(--brand);color:#fff;transform:translateY(-2px)}
.xx-mini{display:flex;gap:12px;padding:12px 0;border-bottom:1px dashed var(--line)}
.xx-mini:last-child{border-bottom:0;padding-bottom:0}
.xx-mini img{width:88px;height:60px;object-fit:cover;border-radius:10px;flex:0 0 auto;transition:transform .6s var(--ease)}
.xx-mini:hover img{transform:scale(1.04)}
.xx-mini h4{
  font-size:14px;font-weight:600;line-height:1.5;margin-bottom:6px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.xx-mini:hover h4{color:var(--brand-d)}
.xx-mini span{font-family:var(--mono);font-size:12px;color:var(--muted);letter-spacing:.02em}

/* ---------- article footer ---------- */
.xx-post-foot{margin-top:56px;padding-top:32px;border-top:1px solid var(--line)}
.xx-foot-row{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:16px}
.xx-share{display:flex;gap:10px}
.xx-share a{
  width:40px;height:40px;border-radius:50%;border:1px solid #D8D5E8;
  display:grid;place-items:center;color:#4A4766;
  transition:border-color .28s var(--ease),color .28s var(--ease),transform .28s var(--ease);
}
.xx-share a:hover{border-color:var(--brand);color:var(--brand-d);transform:translateY(-2px)}
.xx-share svg{width:18px;height:18px}
.xx-pager{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:32px 0}
.xx-pager a{
  display:block;padding:18px 20px;background:var(--card);
  border:1px solid var(--line-2);border-radius:var(--r-card);box-shadow:var(--sh-1);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.xx-pager a:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#D8D5E8}
.xx-pager .xx-lbl{font-family:var(--mono);font-size:12px;letter-spacing:.08em;color:var(--muted);display:block;margin-bottom:8px}
.xx-pager strong{font-size:16px;font-weight:600;line-height:1.5;display:block}
.xx-pager .xx-right{text-align:right}
.xx-subttl{font-size:20px;font-weight:700;margin:44px 0 20px;display:flex;align-items:center;gap:10px}
.xx-subttl::before{content:"";width:4px;height:18px;border-radius:2px;background:var(--brand)}

/* ---------- cards ---------- */
.xx-rel-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px}
.xx-card{
  display:flex;flex-direction:column;height:100%;overflow:hidden;
  background:var(--card);border:1px solid var(--line-2);border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.xx-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.xx-card-img{position:relative;aspect-ratio:16/10;overflow:hidden;background:#EFEDF7}
.xx-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.xx-card:hover .xx-card-img img{transform:scale(1.04)}
.xx-card-img .xx-badge{position:absolute;left:12px;top:12px}
.xx-card-body{padding:16px 18px 20px;display:flex;flex-direction:column;gap:10px;flex:1}
.xx-card-body h3{
  font-size:17px;line-height:1.5;font-weight:600;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.xx-card:hover .xx-card-body h3{color:var(--brand-d)}
.xx-card-meta{margin-top:auto;display:flex;align-items:center;gap:8px;font-size:12px;color:var(--muted);font-family:var(--mono);letter-spacing:.02em}

/* ---------- CTA ---------- */
.xx-cta{position:relative;overflow:hidden;background:var(--deep);color:#fff;padding:72px 0}
.xx-cta-bg{position:absolute;inset:0;background:url('/assets/images/backpic/back-3.webp') center/cover no-repeat;opacity:.16}
.xx-cta-mask{position:absolute;inset:0;background:linear-gradient(90deg,rgba(12,10,24,.96),rgba(12,10,24,.72))}
.xx-cta .xx-wrap{position:relative;z-index:2}
.xx-cta-grid{display:grid;grid-template-columns:1fr 1fr;gap:44px;align-items:center}
.xx-cta h2{font-size:clamp(24px,2.6vw,34px);line-height:1.28;margin-bottom:14px}
.xx-cta p{color:rgba(255,255,255,.72);font-size:15px;max-width:46ch}
.xx-form{display:flex;gap:10px}
.xx-input{
  flex:1;min-width:0;height:48px;padding:0 16px;border-radius:12px;
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  color:#fff;transition:border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.xx-input::placeholder{color:rgba(255,255,255,.6)}
.xx-input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 2px var(--brand)}
.xx-form-msg{margin-top:12px;font-size:13px;color:rgba(255,255,255,.66);min-height:20px}
.xx-form-msg.is-error{color:#FFB4A0}
.xx-form-msg.is-ok{color:#8FE7CC}

/* ---------- footer ---------- */
.xx-footer{background:var(--deep);color:#fff;padding:72px 0 28px}
.xx-footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}
.xx-footer-desc{color:rgba(255,255,255,.62);font-size:14px;line-height:1.8;max-width:34ch;margin:14px 0 18px}
.xx-footer h4{font-size:14px;font-weight:700;letter-spacing:.02em;margin-bottom:16px}
.xx-footer ul li{margin-bottom:10px}
.xx-footer ul li a{display:inline-block;font-size:14px;color:rgba(255,255,255,.72);transition:color .28s var(--ease),transform .28s var(--ease)}
.xx-footer ul li a:hover{color:#fff;transform:translateX(2px)}
.xx-footer ul li span{display:block;font-size:13.5px;line-height:1.7;color:rgba(255,255,255,.6)}
.xx-social{display:flex;gap:10px}
.xx-social a{
  width:38px;height:38px;border-radius:50%;
  border:1px solid rgba(255,255,255,.24);color:rgba(255,255,255,.82);
  display:grid;place-items:center;
  transition:border-color .28s var(--ease),color .28s var(--ease),transform .28s var(--ease);
}
.xx-social a:hover{border-color:var(--brand);color:#fff;transform:translateY(-2px)}
.xx-social svg{width:18px;height:18px}
.xx-footer-bottom{
  margin-top:48px;padding-top:20px;
  border-top:1px solid rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:space-between;
  flex-wrap:wrap;gap:12px;font-size:13px;color:rgba(255,255,255,.5);
}
.xx-domain{font-size:11px;letter-spacing:.04em;color:rgba(255,255,255,.4)}

/* ---------- reveal ---------- */
.xx-reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.xx-reveal.is-in{opacity:1;transform:none}

@media (max-width:1023px){
  .xx-navlist{display:none}
  .xx-iconbtn{display:none}
  .xx-burger{display:flex}
  .xx-reader{grid-template-columns:minmax(0,1fr);gap:40px}
  .xx-side{position:static}
  .xx-rel-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .xx-cta-grid{grid-template-columns:1fr;gap:28px}
  .xx-footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .xx-section{padding:80px 0}
  .xx-article-section{padding:56px 0 80px}
  .xx-post-hero{padding:56px 0 48px;min-height:340px}
}
@media (max-width:639px){
  .xx-header{padding:12px 0 10px}
  .xx-navcard{height:64px;padding:0 12px;gap:10px}
  .xx-brand-txt{font-size:15px}
  .xx-btn{height:44px;padding:0 18px;font-size:14px}
  .xx-btn-sm{height:38px;padding:0 14px;font-size:13px}
  .xx-post-hero{min-height:300px;padding:44px 0 36px}
  .xx-post-h1{-webkit-line-clamp:3}
  .xx-pager{grid-template-columns:1fr}
  .xx-pager .xx-right{text-align:left}
  .xx-rel-grid{grid-template-columns:minmax(0,1fr)}
  .xx-footer-grid{grid-template-columns:1fr;gap:28px}
  .xx-footer{padding:56px 0 24px}
  .xx-form{flex-direction:column}
  .xx-form .xx-btn{width:100%}
  .xx-section{padding:60px 0}
  .xx-mobile-grid{grid-template-columns:1fr}
  .xx-crumb li[aria-current]{max-width:24ch}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none!important;transition:none!important}
  html{scroll-behavior:auto}
  .xx-reveal{opacity:1;transform:none}
}

/* roulang page: category1 */
:root{
  --ink:#0C0A18;
  --ink-2:#1A1730;
  --paper:#F7F6FB;
  --card:#FFFFFF;
  --brand:#6A4BF0;
  --brand-deep:#4A2FD0;
  --brand-soft:#EDE9FE;
  --accent:#FF6A3D;
  --mint:#35D0A5;
  --text:#16142B;
  --muted:#5E5B7A;
  --line:#E7E5F2;
  --line-soft:#E9E7F3;
  --r-card:16px;
  --r-nav:18px;
  --r-sm:12px;
  --sh-1:0 1px 2px rgba(16,12,40,.05), 0 10px 28px -16px rgba(16,12,40,.20);
  --sh-2:0 22px 56px -26px rgba(24,16,60,.38);
  --ease:cubic-bezier(.22,.61,.36,1);
  --mono:ui-monospace,"Roboto Mono",Menlo,Consolas,monospace;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  --gap-sec:104px;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--paper);
  color:var(--text);
  font-family:var(--sans);
  font-size:16.5px;
  line-height:1.85;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
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;font-weight:800;letter-spacing:-.01em;line-height:1.22}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}

.xx-wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 40px}
.xx-skip{position:absolute;left:-9999px;top:0;background:#fff;color:var(--brand-deep);padding:10px 16px;border-radius:0 0 12px 0;z-index:200}
.xx-skip:focus{left:0}

/* ============ 导航 ============ */
.xx-header{
  position:sticky;top:0;z-index:60;
  padding:16px 0 14px;
  background:linear-gradient(180deg,var(--paper) 62%,rgba(247,246,251,0));
}
.xx-nav{
  display:flex;align-items:center;gap:14px;
  height:72px;padding:0 14px 0 20px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-nav);
  box-shadow:var(--sh-1);
}
.xx-brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.xx-logo{width:34px;height:34px;flex:0 0 auto}
.xx-brand-txt{font-size:16px;font-weight:800;letter-spacing:-.01em;color:var(--text);white-space:nowrap}
.xx-navlist{display:flex;align-items:center;gap:6px;margin-left:auto}
.xx-navitem{
  display:inline-flex;align-items:center;gap:8px;
  height:44px;padding:0 14px;border-radius:var(--r-sm);
  font-size:13.5px;font-weight:600;color:var(--muted);
  transition:background .28s var(--ease),color .28s var(--ease);
}
.xx-navitem svg{width:16px;height:16px;transition:transform .28s var(--ease)}
.xx-navitem:hover{background:var(--brand-soft);color:var(--brand)}
.xx-navitem:hover svg{transform:translateY(-1px)}
.xx-navitem.is-active{background:var(--brand-soft);color:var(--brand-deep);box-shadow:inset 0 -2px 0 var(--brand)}
.xx-nav-actions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.xx-icon-btn{
  width:40px;height:40px;border-radius:50%;
  border:1px solid #D8D5E8;display:inline-flex;align-items:center;justify-content:center;
  color:var(--muted);transition:border-color .28s var(--ease),color .28s var(--ease);
}
.xx-icon-btn svg{width:17px;height:17px}
.xx-icon-btn:hover{border-color:var(--brand);color:var(--brand)}
.xx-hamburger{
  display:none;width:44px;height:44px;border:1px solid var(--line);border-radius:var(--r-sm);
  align-items:center;justify-content:center;background:#fff;color:var(--text);
}
.xx-hamburger svg{width:20px;height:20px}
.xx-mobile{display:none;margin-top:10px;padding:16px;background:#fff;border:1px solid var(--line);border-radius:var(--r-nav);box-shadow:var(--sh-1)}
.xx-mobile.is-open{display:block}
.xx-mobile-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:14px}
.xx-mobile-grid .xx-navitem{justify-content:flex-start;height:48px;border:1px solid var(--line-soft)}

/* ============ 按钮 ============ */
.xx-btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 22px;border-radius:999px;
  font-size:15px;font-weight:600;border:1px solid transparent;
  transition:background .28s var(--ease),color .28s var(--ease),border-color .28s var(--ease),transform .28s var(--ease),box-shadow .28s var(--ease);
}
.xx-btn svg{width:16px;height:16px;transition:transform .28s var(--ease)}
.xx-btn-primary{background:var(--brand);color:#fff}
.xx-btn-primary:hover{background:var(--brand-deep);transform:translateY(-2px);box-shadow:0 10px 24px -10px rgba(106,75,240,.55)}
.xx-btn-primary:hover svg{transform:translateX(4px)}
.xx-btn-ghost{background:transparent;border-color:#D8D5E8;color:var(--text)}
.xx-btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px)}
.xx-btn-accent{background:var(--accent);color:#fff}
.xx-btn-accent:hover{background:#E8562B;transform:translateY(-2px);box-shadow:0 10px 24px -12px rgba(255,106,61,.65)}
.xx-btn-sm{height:42px;padding:0 18px;font-size:14px}
.xx-btn[disabled],.xx-btn.is-disabled{opacity:.45;pointer-events:none}
.xx-textlink{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);
  position:relative;
}
.xx-textlink::after{
  content:"";position:absolute;left:0;right:0;bottom:-3px;height:1px;background:var(--brand);
  transform:scaleX(0);transform-origin:left;transition:transform .28s var(--ease);
}
.xx-textlink:hover::after{transform:scaleX(1)}

/* ============ 徽章 ============ */
.xx-badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 10px;border-radius:999px;font-size:12px;font-weight:700;line-height:1.5;
  background:var(--brand-soft);color:var(--brand-deep);
}
.xx-badge-live{background:var(--accent);color:#fff}
.xx-badge-live::before{
  content:"";width:6px;height:6px;border-radius:50%;background:#fff;
  animation:xx-pulse 1.6s var(--ease) infinite;
}
@keyframes xx-pulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.78)}}
.xx-badge-soon{background:#FFF1EA;color:#C0431B}
.xx-badge-done{background:#F1F0F7;color:var(--muted)}
.xx-timecode{
  display:inline-flex;align-items:center;padding:4px 10px;border-radius:999px;
  font-family:var(--mono);font-size:12px;letter-spacing:.02em;
  background:rgba(12,10,24,.62);color:#fff;
}

/* ============ 页头 ============ */
.xx-pagehead{padding:28px 0 56px}
.xx-pagehead-grid{display:grid;grid-template-columns:minmax(0,1.55fr) minmax(0,1fr);gap:34px;align-items:start}
.xx-pagehead-panel{
  position:relative;overflow:hidden;
  background:var(--ink);color:#fff;
  border-radius:22px;padding:32px 38px 38px;
  box-shadow:var(--sh-2);
}
.xx-pagehead-panel::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.13) 1px,transparent 1px);
  background-size:22px 22px;opacity:.75;
}
.xx-pagehead-panel>*{position:relative;z-index:1}
.xx-crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.62)}
.xx-crumb li{display:inline-flex;align-items:center;gap:8px}
.xx-crumb a{transition:color .28s var(--ease)}
.xx-crumb a:hover{color:#fff}
.xx-crumb .is-current{color:#C4B5FD}
.xx-pagehead-panel .xx-badge{background:rgba(255,255,255,.12);color:#D8D0FF;margin:22px 0 16px}
.xx-pagehead h1{
  font-size:clamp(30px,3.6vw,46px);line-height:1.14;color:#fff;letter-spacing:-.015em;
}
.xx-pagehead-panel p{margin-top:16px;font-size:15.5px;line-height:1.8;color:rgba(255,255,255,.74);max-width:520px}
.xx-pagehead-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px}
.xx-pagehead-panel .xx-btn-ghost{border-color:rgba(255,255,255,.28);color:#fff}
.xx-pagehead-panel .xx-btn-ghost:hover{border-color:#fff;color:#fff}
.xx-pagehead-media{position:relative;transform:translateY(-26px)}
.xx-pagehead-media .xx-media-frame{
  border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-2);
  aspect-ratio:16/10;background:var(--ink-2);
}
.xx-pagehead-media img{width:100%;height:100%;object-fit:cover}
.xx-pagehead-media .xx-timecode{position:absolute;left:14px;bottom:14px}

/* ============ 数据条 ============ */
.xx-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:0;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden;
}
.xx-stat{padding:22px 26px;border-left:1px solid var(--line)}
.xx-stat:first-child{border-left:0}
.xx-stat-label{font-size:12.5px;color:var(--muted);letter-spacing:.04em}
.xx-stat-num{
  display:block;margin-top:6px;font-family:var(--mono);font-size:26px;line-height:1.2;
  font-weight:600;letter-spacing:.02em;color:var(--text);
}
.xx-stat-num em{font-style:normal;font-size:13px;color:var(--muted);margin-left:4px}

/* ============ 主体 ============ */
.xx-body{padding:64px 0 var(--gap-sec)}
.xx-body-grid{align-items:flex-start}
.xx-side{position:sticky;top:104px}
.xx-side-inner{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);padding:20px;
}
.xx-filter-group+.xx-filter-group{margin-top:22px;padding-top:20px;border-top:1px solid var(--line)}
.xx-filter-title{
  font-size:11.5px;font-weight:700;letter-spacing:.16em;text-transform:uppercase;
  color:var(--muted);margin-bottom:12px;
}
.xx-chip{
  display:block;width:100%;text-align:left;
  padding:9px 14px;border-radius:999px;font-size:14px;color:var(--muted);
  border:1px solid transparent;margin-bottom:6px;
  transition:background .28s var(--ease),color .28s var(--ease);
}
.xx-chip:last-child{margin-bottom:0}
.xx-chip:hover{background:var(--brand-soft);color:var(--brand-deep)}
.xx-chip.is-active{background:var(--brand);color:#fff;font-weight:600}

.xx-main-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:14px;margin-bottom:26px}
.xx-main-head h2{font-size:clamp(22px,2.4vw,30px)}
.xx-main-note{font-size:13.5px;color:var(--muted);font-family:var(--mono);letter-spacing:.02em}

.xx-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}

.xx-card{
  display:flex;flex-direction:column;gap:14px;
  background:var(--card);border:1px solid var(--line-soft);border-radius:var(--r-card);
  padding:14px;
  transition:transform .28s var(--ease),box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.xx-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#DCD8EE}
.xx-card-img{position:relative;border-radius:var(--r-sm);overflow:hidden;aspect-ratio:16/10;background:var(--brand-soft)}
.xx-card-img img{width:100%;height:100%;object-fit:cover;transition:transform .6s var(--ease)}
.xx-card:hover .xx-card-img img{transform:scale(1.04)}
.xx-card-img .xx-badge{position:absolute;top:10px;left:10px}
.xx-card-img .xx-status{position:absolute;top:10px;right:10px}
.xx-card-img .xx-timecode{position:absolute;left:10px;bottom:10px}
.xx-card h3{
  font-size:18px;font-weight:700;line-height:1.42;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.xx-card-desc{
  margin-top:8px;font-size:14px;line-height:1.75;color:var(--muted);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.xx-card-foot{
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  margin-top:auto;padding-top:12px;border-top:1px solid var(--line);
  font-size:12.5px;color:var(--muted);font-family:var(--mono);letter-spacing:.02em;
}
.xx-card-foot .xx-dot{color:#C9C5DE}

/* 分页 */
.xx-pager{display:flex;flex-wrap:wrap;align-items:center;justify-content:center;gap:8px;margin-top:44px}
.xx-pager a,.xx-pager span{
  min-width:42px;height:42px;padding:0 14px;
  display:inline-flex;align-items:center;justify-content:center;
  border:1px solid var(--line);border-radius:var(--r-sm);background:#fff;
  font-size:14px;font-family:var(--mono);color:var(--muted);
  transition:border-color .28s var(--ease),color .28s var(--ease),background .28s var(--ease);
}
.xx-pager a:hover{border-color:var(--brand);color:var(--brand)}
.xx-pager .is-current{background:var(--brand);border-color:var(--brand);color:#fff;font-weight:600}
.xx-pager .is-gap{border:0;background:transparent;min-width:20px}

/* ============ FAQ ============ */
.xx-faq{padding:var(--gap-sec) 0;background:#fff;border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.xx-faq-grid{align-items:flex-start}
.xx-faq-intro h2{font-size:clamp(24px,2.8vw,34px);max-width:340px}
.xx-faq-intro p{margin-top:16px;font-size:15.5px;color:var(--muted);line-height:1.85;max-width:400px}
.xx-faq-intro .xx-btn{margin-top:26px}

.xx-acc{display:flex;flex-direction:column;gap:12px;border:0;background:none}
.xx-acc .accordion-item{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:14px;overflow:hidden;
  transition:box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.xx-acc .accordion-item:hover{box-shadow:var(--sh-1)}
.xx-acc .accordion-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--brand);
  transform:scaleY(0);transform-origin:top;transition:transform .28s var(--ease);
}
.xx-acc .accordion-item.is-active::before{transform:scaleY(1)}
.xx-acc .accordion-title{
  position:relative;display:block;padding:18px 56px 18px 22px;
  font-size:16.5px;font-weight:600;color:var(--text);background:transparent;border:0;
  transition:color .28s var(--ease);
}
.xx-acc .accordion-title::before,
.xx-acc .accordion-title::after{
  content:"";position:absolute;right:20px;top:50%;background:var(--muted);
  transition:transform .28s var(--ease),background .28s var(--ease);
}
.xx-acc .accordion-title::before{width:14px;height:1.6px;transform:translateY(-50%)}
.xx-acc .accordion-title::after{width:1.6px;height:14px;transform:translate(-6.2px,-50%)}
.xx-acc .accordion-item.is-active .accordion-title{color:var(--brand-deep)}
.xx-acc .accordion-item.is-active .accordion-title::before,
.xx-acc .accordion-item.is-active .accordion-title::after{background:var(--brand)}
.xx-acc .accordion-item.is-active .accordion-title::after{transform:translate(-6.2px,-50%) rotate(45deg)}
.xx-acc .accordion-content{
  padding:0 56px 20px 22px;border:0;background:transparent;
  font-size:15px;line-height:1.85;color:var(--muted);
}

/* ============ CTA 条 ============ */
.xx-cta-band{padding:0 0 var(--gap-sec)}
.xx-cta-inner{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:22px;
  background:linear-gradient(90deg,#EDE9FE 0%,#F7F6FB 78%);
  border:1px solid #DED7FA;border-radius:var(--r-nav);
  padding:30px 36px;box-shadow:var(--sh-1);
}
.xx-cta-inner h2{font-size:clamp(20px,2.2vw,26px)}
.xx-cta-inner p{margin-top:8px;font-size:14.5px;color:var(--muted)}
.xx-cta-actions{display:flex;flex-wrap:wrap;gap:12px}

/* ============ 页脚 ============ */
.xx-footer{background:var(--ink);color:rgba(255,255,255,.72);padding:64px 0 24px}
.xx-footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:36px}
.xx-footer .xx-brand{margin-bottom:16px}
.xx-footer .xx-brand-txt{color:#fff}
.xx-footer-desc{font-size:14px;line-height:1.8;max-width:300px}
.xx-social{display:flex;gap:10px;margin-top:20px}
.xx-social a{
  width:38px;height:38px;border:1px solid rgba(255,255,255,.24);border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;color:#fff;
  transition:border-color .28s var(--ease),background .28s var(--ease);
}
.xx-social a:hover{border-color:#fff;background:rgba(255,255,255,.10)}
.xx-social svg{width:18px;height:18px}
.xx-footer h4{color:#fff;font-size:14px;font-weight:700;letter-spacing:.04em;margin-bottom:16px}
.xx-footer ul li{margin-bottom:10px;font-size:14px;line-height:1.7}
.xx-footer ul a,.xx-footer ul span{display:inline-block;transition:color .28s var(--ease),transform .28s var(--ease)}
.xx-footer ul a:hover{color:#fff;transform:translateX(2px)}
.xx-footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:10px;
  margin-top:48px;padding-top:20px;border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;
}
.xx-domain{font-size:11px;opacity:.5;font-family:var(--mono);letter-spacing:.04em}

/* ============ 入场动效 ============ */
.xx-reveal{opacity:0;transform:translateY(16px);transition:opacity .6s var(--ease),transform .6s var(--ease)}
.xx-reveal.is-in{opacity:1;transform:translateY(0)}

@media (prefers-reduced-motion: reduce){
  *{animation-duration:.001ms !important;transition-duration:.001ms !important}
  .xx-reveal{opacity:1;transform:none}
}

/* ============ 响应式 ============ */
@media (min-width:1440px){
  .xx-wrap{max-width:1320px}
}
@media (max-width:1279px){
  .xx-grid{grid-template-columns:repeat(3,minmax(0,1fr));gap:20px}
}
@media (max-width:1023px){
  :root{--gap-sec:80px}
  .xx-wrap{padding:0 28px}
  .xx-navlist{display:none}
  .xx-hamburger{display:inline-flex}
  .xx-nav-actions .xx-btn-primary{display:none}
  .xx-nav-actions .xx-icon-btn{display:none}
  .xx-pagehead-grid{grid-template-columns:1fr;gap:24px}
  .xx-pagehead-media{transform:none;max-width:520px}
  .xx-side{position:static;margin-bottom:28px}
  .xx-side-inner{display:flex;gap:16px;overflow-x:auto;padding:16px}
  .xx-filter-group{flex:0 0 auto;min-width:190px;margin:0!important;padding:0!important;border:0!important}
  .xx-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .xx-stats{grid-template-columns:repeat(2,minmax(0,1fr))}
  .xx-stat{border-left:0;border-top:1px solid var(--line)}
  .xx-stat:nth-child(-n+2){border-top:0}
  .xx-stat:nth-child(even){border-left:1px solid var(--line)}
  .xx-faq .xx-faq-intro{margin-bottom:32px}
  .xx-cta-inner{padding:26px 24px}
  .xx-footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:639px){
  :root{--gap-sec:60px}
  .xx-wrap{padding:0 20px}
  body{font-size:16px}
  .xx-nav{height:64px;padding:0 12px}
  .xx-brand-txt{font-size:15px}
  .xx-logo{width:30px;height:30px}
  .xx-pagehead{padding:20px 0 40px}
  .xx-pagehead-panel{padding:24px 22px 28px;border-radius:18px}
  .xx-pagehead-actions .xx-btn{width:100%}
  .xx-grid{grid-template-columns:1fr;gap:18px}
  .xx-stats{grid-template-columns:1fr}
  .xx-stat{border-left:0!important;border-top:1px solid var(--line)}
  .xx-stat:first-child{border-top:0}
  .xx-main-head{flex-direction:column;align-items:flex-start}
  .xx-cta-actions{width:100%}
  .xx-cta-actions .xx-btn{width:100%}
  .xx-footer-grid{grid-template-columns:1fr}
  .xx-footer-bottom{flex-direction:column;align-items:flex-start}
  .xx-acc .accordion-title{padding:16px 48px 16px 18px;font-size:15.5px}
  .xx-acc .accordion-content{padding:0 48px 18px 18px}
}

/* roulang page: category2 */
:root{
  --ink:#0C0A18;
  --ink-2:#1A1730;
  --paper:#F7F6FB;
  --card:#FFFFFF;
  --brand:#6A4BF0;
  --brand-dp:#4A2FD0;
  --brand-soft:#EDE9FE;
  --accent:#FF6A3D;
  --mint:#35D0A5;
  --text:#16142B;
  --text-2:#5E5B7A;
  --line:#E7E5F2;
  --line-2:#E9E7F3;
  --r-card:16px;
  --r-nav:18px;
  --r-sm:12px;
  --r-pill:999px;
  --sh-1:0 1px 2px rgba(16,12,40,.05),0 10px 28px -16px rgba(16,12,40,.20);
  --sh-2:0 22px 56px -26px rgba(24,16,60,.38);
  --ease:cubic-bezier(.22,.61,.36,1);
  --gutter:40px;
  --mono:ui-monospace,"Roboto Mono",Menlo,Consolas,"Courier New",monospace;
  --sans:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--sans);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--paper);
  -webkit-font-smoothing:antialiased;
  text-rendering:optimizeLegibility;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;color:var(--text)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
button,input{font-family:inherit;font-size:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
svg{display:block}
a:focus-visible,button:focus-visible,input:focus-visible,[tabindex]:focus-visible{
  outline:2px solid var(--brand);
  outline-offset:2px;
  border-radius:6px;
}
.xx-wrap{width:100%;max-width:1200px;margin:0 auto;padding:0 var(--gutter)}
@media (min-width:1440px){
  .xx-wrap{max-width:1320px}
}
@media (max-width:1023px){
  :root{--gutter:28px}
}
@media (max-width:639px){
  :root{--gutter:20px}
}

/* ---------- 顶部卡片化导航 ---------- */
.xx-header{
  position:sticky;
  top:0;
  z-index:80;
  padding:18px 0 10px;
  background:linear-gradient(180deg,#F7F6FB 62%,rgba(247,246,251,0));
}
.xx-navcard{
  display:flex;
  align-items:center;
  gap:20px;
  height:72px;
  padding:0 14px 0 20px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-nav);
  box-shadow:var(--sh-1);
}
.xx-brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.xx-logo{width:36px;height:36px;flex:0 0 auto}
.xx-brand-txt{font-size:17px;font-weight:800;letter-spacing:-.02em;color:var(--ink)}
.xx-navlist{display:flex;align-items:center;gap:6px;margin-left:8px;flex:1 1 auto;min-width:0}
.xx-navitem{
  display:inline-flex;
  align-items:center;
  gap:7px;
  padding:9px 13px;
  border-radius:var(--r-sm);
  font-size:13.5px;
  font-weight:600;
  color:var(--text-2);
  white-space:nowrap;
  transition:background .28s var(--ease),color .28s var(--ease),transform .28s var(--ease);
}
.xx-navitem svg{width:16px;height:16px;transition:transform .28s var(--ease)}
.xx-navitem:hover{background:var(--brand-soft);color:var(--brand-dp)}
.xx-navitem:hover svg{transform:translateY(-1px)}
.xx-navitem.is-active{background:var(--brand-soft);color:var(--brand-dp);position:relative}
.xx-navitem.is-active::after{
  content:"";
  position:absolute;
  left:13px;right:13px;bottom:2px;
  height:2px;border-radius:2px;background:var(--brand);
}
.xx-navactions{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.xx-btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:10px;
  height:48px;
  padding:0 22px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  line-height:1;
  border:1px solid transparent;
  transition:background .28s var(--ease),color .28s var(--ease),border-color .28s var(--ease),transform .28s var(--ease),box-shadow .28s var(--ease);
}
.xx-btn svg{width:16px;height:16px;transition:transform .28s var(--ease)}
.xx-btn--primary{background:var(--brand);color:#fff}
.xx-btn--primary:hover{background:var(--brand-dp);transform:translateY(-2px);box-shadow:0 10px 24px -10px rgba(106,75,240,.55)}
.xx-btn--primary:hover svg{transform:translateX(4px)}
.xx-btn--ghost{background:transparent;border-color:#D8D5E8;color:var(--text)}
.xx-btn--ghost:hover{border-color:var(--brand);color:var(--brand-dp);transform:translateY(-2px)}
.xx-btn--accent{background:var(--accent);color:#fff}
.xx-btn--accent:hover{background:#E8562B;transform:translateY(-2px);box-shadow:0 12px 26px -12px rgba(255,106,61,.6)}
.xx-btn--sm{height:42px;padding:0 18px;font-size:14px}
.xx-btn[disabled],.xx-btn.is-disabled{opacity:.45;pointer-events:none}
.xx-iconbtn{
  width:40px;height:40px;
  border-radius:50%;
  border:1px solid #D8D5E8;
  display:inline-flex;align-items:center;justify-content:center;
  color:var(--text-2);
  transition:border-color .28s var(--ease),color .28s var(--ease),transform .28s var(--ease);
}
.xx-iconbtn svg{width:17px;height:17px}
.xx-iconbtn:hover{border-color:var(--brand);color:var(--brand-dp);transform:translateY(-1px)}
.xx-burger{display:none;width:40px;height:40px;border-radius:var(--r-sm);border:1px solid #D8D5E8;align-items:center;justify-content:center;color:var(--text)}
.xx-burger svg{width:18px;height:18px}
.xx-mobilenav{
  margin-top:10px;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-nav);
  box-shadow:var(--sh-2);
  padding:16px;
}
.xx-mobilenav[hidden]{display:none}
.xx-mobile-grid{display:grid;grid-template-columns:1fr 1fr;gap:10px;margin-bottom:12px}
.xx-mobile-grid .xx-navitem{justify-content:flex-start;padding:12px 12px;background:#F7F6FB}
.xx-mobile-grid .xx-navitem.is-active{background:var(--brand-soft)}
@media (max-width:1023px){
  .xx-navlist,.xx-iconbtn{display:none}
  .xx-burger{display:inline-flex}
  .xx-navcard{height:64px;padding:0 12px 0 14px;gap:12px}
  .xx-brand-txt{font-size:15.5px}
  .xx-brand{margin-right:auto}
}
@media (max-width:479px){
  .xx-navactions .xx-btn--sm{height:38px;padding:0 14px;font-size:13px}
}

/* ---------- 页头（居中版式） ---------- */
.xx-head{
  position:relative;
  min-height:300px;
  padding:52px 0 56px;
  background:var(--paper);
  overflow:hidden;
  display:flex;
  align-items:center;
}
.xx-head::before{
  content:"";
  position:absolute;inset:0;
  background-image:radial-gradient(rgba(106,75,240,.20) 1px,transparent 1.3px);
  background-size:26px 26px;
  opacity:.5;
  -webkit-mask-image:linear-gradient(180deg,#000 0%,rgba(0,0,0,.25) 62%,transparent 100%);
  mask-image:linear-gradient(180deg,#000 0%,rgba(0,0,0,.25) 62%,transparent 100%);
  pointer-events:none;
}
.xx-head::after{
  content:"";
  position:absolute;
  width:520px;height:520px;
  right:-140px;top:-220px;
  background:radial-gradient(circle,rgba(255,106,61,.16),transparent 66%);
  pointer-events:none;
}
.xx-head .xx-wrap{position:relative;z-index:2}
.xx-crumb{margin-bottom:28px}
.xx-crumb ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-2)}
.xx-crumb li{display:inline-flex;align-items:center;gap:8px}
.xx-crumb li+li::before{content:"/";color:#C3BFDA}
.xx-crumb a{color:var(--text-2);transition:color .28s var(--ease)}
.xx-crumb a:hover{color:var(--brand-dp)}
.xx-crumb [aria-current="page"]{color:var(--brand-dp);font-weight:600}
.xx-head-inner{text-align:center;max-width:820px;margin:0 auto}
.xx-head h1{
  font-size:clamp(30px,4.4vw,50px);
  line-height:1.12;
  font-weight:800;
  margin:18px 0 16px;
}
.xx-head-sub{
  font-size:17px;
  line-height:1.8;
  color:var(--text-2);
  max-width:660px;
  margin:0 auto;
}
.xx-badge{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 11px;
  border-radius:var(--r-pill);
  font-size:12px;
  font-weight:600;
  line-height:1.5;
  background:var(--brand-soft);
  color:var(--brand-dp);
}
.xx-badge--live{background:var(--accent);color:#fff}
.xx-badge--live::before{
  content:"";
  width:6px;height:6px;border-radius:50%;
  background:#fff;
  animation:xxPulse 1.6s var(--ease) infinite;
}
@keyframes xxPulse{0%,100%{opacity:1;transform:scale(1)}50%{opacity:.45;transform:scale(.8)}}
.xx-badge--done{background:#F1F0F7;color:var(--text-2)}
.xx-chips{display:flex;flex-wrap:wrap;justify-content:center;gap:10px;margin-top:30px}
.xx-chip{
  padding:9px 16px;
  border-radius:var(--r-pill);
  border:1px solid #DEDBEC;
  background:rgba(255,255,255,.7);
  font-size:13.5px;
  font-weight:600;
  color:var(--text-2);
  transition:background .28s var(--ease),color .28s var(--ease),border-color .28s var(--ease),transform .28s var(--ease);
}
.xx-chip:hover{border-color:var(--brand);color:var(--brand-dp);transform:translateY(-1px)}
.xx-chip.is-active{background:var(--brand);border-color:var(--brand);color:#fff}
.xx-chip.is-active:hover{background:var(--brand-dp);color:#fff}

/* ---------- 板块通用 ---------- */
.xx-sec{padding:104px 0}
.xx-sec--tight{padding:0 0 104px}
.xx-sec--paper{background:#FFFFFF}
.xx-sec-head{max-width:680px;margin-bottom:36px}
.xx-sec-head h2{font-size:clamp(26px,3vw,38px);line-height:1.22;margin-bottom:14px}
.xx-sec-head p{font-size:16.5px;color:var(--text-2)}
.xx-sec-head--center{max-width:720px;margin-left:auto;margin-right:auto;text-align:center}
.xx-kicker{
  display:inline-block;
  font-family:var(--mono);
  font-size:12.5px;
  letter-spacing:.16em;
  text-transform:uppercase;
  color:var(--brand-dp);
  margin-bottom:12px;
}
@media (max-width:1023px){
  .xx-sec{padding:80px 0}
  .xx-sec--tight{padding:0 0 80px}
}
@media (max-width:639px){
  .xx-sec{padding:60px 0}
  .xx-sec--tight{padding:0 0 60px}
  .xx-sec-head{margin-bottom:28px}
}

/* ---------- 交替图文 ---------- */
.xx-alt{margin-bottom:96px}
.xx-alt:last-child{margin-bottom:0}
.xx-alt-media{position:relative}
.xx-figure{position:relative;margin:0;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1)}
.xx-figure img{
  width:100%;
  aspect-ratio:14/9;
  object-fit:cover;
  border-radius:var(--r-card);
  transition:transform .6s var(--ease);
}
.xx-figure:hover img{transform:scale(1.04)}
.xx-timebadge{
  position:absolute;
  left:14px;bottom:14px;
  padding:5px 10px;
  border-radius:var(--r-pill);
  background:rgba(12,10,24,.62);
  color:#fff;
  font-family:var(--mono);
  font-size:12px;
  letter-spacing:.02em;
}
.xx-alt-body{padding-top:8px}
.xx-alt-body h2{font-size:clamp(24px,2.6vw,32px);line-height:1.26;margin:14px 0 18px}
.xx-alt-body p{font-size:16.5px;color:var(--text-2);margin-bottom:16px}
.xx-link{
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:15px;
  font-weight:600;
  color:var(--brand-dp);
  padding-bottom:3px;
  background-image:linear-gradient(var(--brand),var(--brand));
  background-repeat:no-repeat;
  background-size:0 1px;
  background-position:0 100%;
  transition:background-size .28s var(--ease),color .28s var(--ease);
}
.xx-link:hover{background-size:100% 1px;color:var(--brand)}
.xx-link svg{width:15px;height:15px;transition:transform .28s var(--ease)}
.xx-link:hover svg{transform:translateX(4px)}
.xx-factlist{display:grid;gap:10px;margin-top:22px}
.xx-factlist li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--text-2)}
.xx-factlist li::before{
  content:"";
  flex:0 0 auto;
  width:7px;height:7px;border-radius:50%;
  background:var(--brand);
  margin-top:9px;
}
@media (min-width:1024px){
  .xx-alt{align-items:center}
  .xx-alt.is-reverse .xx-alt-media{order:2}
  .xx-alt.is-reverse .xx-alt-body{order:1;padding-right:28px}
  .xx-alt:not(.is-reverse) .xx-alt-body{padding-left:28px}
}
@media (max-width:1023px){
  .xx-alt{margin-bottom:60px}
  .xx-alt-media{margin-bottom:26px}
}

/* ---------- 整宽海报卡 ---------- */
.xx-poster{
  position:relative;
  min-height:320px;
  border-radius:var(--r-card);
  overflow:hidden;
  background-image:url('/assets/images/backpic/back-3.webp');
  background-size:cover;
  background-position:center;
  box-shadow:var(--sh-2);
  display:flex;
  align-items:flex-end;
}
.xx-poster::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(90deg,rgba(12,10,24,.94) 0%,rgba(12,10,24,.62) 48%,rgba(12,10,24,.18) 100%),
             linear-gradient(180deg,transparent 55%,rgba(12,10,24,.85) 100%);
}
.xx-poster-inner{position:relative;z-index:2;padding:38px;max-width:640px;color:#fff}
.xx-poster-inner h2{color:#fff;font-size:clamp(24px,3vw,34px);line-height:1.24;margin:16px 0 12px}
.xx-poster-inner p{color:rgba(255,255,255,.78);font-size:16px;margin-bottom:22px}
.xx-poster-actions{display:flex;flex-wrap:wrap;gap:12px}
.xx-poster .xx-badge--cat{background:rgba(255,255,255,.16);color:#fff}
@media (max-width:639px){
  .xx-poster{min-height:360px}
  .xx-poster-inner{padding:26px 22px}
}

/* ---------- 数据薄卡 ---------- */
.xx-stats{margin-top:8px}
.xx-stat{
  padding:26px 22px 22px;
  background:#FFFFFF;
  border-radius:var(--r-card);
  border:1px solid var(--line-2);
  box-shadow:var(--sh-1);
  transition:transform .28s var(--ease),box-shadow .28s var(--ease);
}
.xx-stat:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.xx-stat-num{
  font-family:var(--mono);
  font-size:clamp(38px,5vw,56px);
  font-weight:700;
  line-height:1;
  letter-spacing:.02em;
  color:var(--brand-dp);
  display:block;
}
.xx-stat-unit{font-family:var(--mono);font-size:13px;color:var(--text-2);letter-spacing:.02em;display:block;margin-top:8px}
.xx-stat p{margin-top:14px;font-size:14.5px;color:var(--text-2);line-height:1.75}
@media (max-width:639px){
  .xx-stat{margin-bottom:14px}
}

/* ---------- FAQ ---------- */
.xx-faq-grid{display:grid;grid-template-columns:5fr 7fr;gap:56px;align-items:start}
.xx-faq-aside h2{font-size:clamp(24px,2.8vw,34px);line-height:1.25;margin-bottom:16px}
.xx-faq-aside p{font-size:16px;color:var(--text-2);margin-bottom:26px}
.xx-faq-list{display:grid;gap:12px}
.xx-faq-item{
  background:var(--card);
  border:1px solid var(--line-2);
  border-radius:14px;
  overflow:hidden;
  position:relative;
  transition:box-shadow .28s var(--ease),border-color .28s var(--ease);
}
.xx-faq-item:hover{box-shadow:var(--sh-1)}
.xx-faq-item.is-open{border-color:#DAD4F7}
.xx-faq-item.is-open::before{
  content:"";
  position:absolute;left:0;top:12px;bottom:12px;width:3px;
  border-radius:0 3px 3px 0;
  background:var(--brand);
}
.xx-faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:18px 20px;
  text-align:left;
  font-size:16.5px;
  font-weight:600;
  color:var(--text);
  transition:color .28s var(--ease);
}
.xx-faq-item.is-open .xx-faq-q{color:var(--brand-dp)}
.xx-faq-q .xx-plus{
  flex:0 0 auto;
  width:20px;height:20px;
  position:relative;
  transition:transform .28s var(--ease);
}
.xx-faq-q .xx-plus::before,
.xx-faq-q .xx-plus::after{
  content:"";
  position:absolute;
  background:currentColor;
  border-radius:2px;
}
.xx-faq-q .xx-plus::before{left:0;top:9px;width:20px;height:2px}
.xx-faq-q .xx-plus::after{top:0;left:9px;height:20px;width:2px}
.xx-faq-item.is-open .xx-plus{transform:rotate(45deg)}
.xx-faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .34s var(--ease);
}
.xx-faq-a-inner{padding:0 20px 20px;font-size:15px;line-height:1.85;color:var(--text-2)}
@media (max-width:1023px){
  .xx-faq-grid{grid-template-columns:1fr;gap:30px}
}

/* ---------- CTA 带 ---------- */
.xx-cta{
  position:relative;
  background:var(--ink);
  color:#fff;
  padding:76px 0;
  overflow:hidden;
}
.xx-cta::before{
  content:"";
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;
  background-position:center;
  opacity:.12;
}
.xx-cta::after{
  content:"";
  position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1.3px);
  background-size:30px 30px;
  opacity:.25;
  pointer-events:none;
}
.xx-cta .xx-wrap{position:relative;z-index:2}
.xx-cta-grid{display:grid;grid-template-columns:6fr 6fr;gap:48px;align-items:center}
.xx-cta h2{color:#fff;font-size:clamp(24px,3vw,36px);line-height:1.24;margin-bottom:14px}
.xx-cta p{color:rgba(255,255,255,.74);font-size:16px}
.xx-form{display:flex;gap:12px;align-items:center}
.xx-form input[type="email"]{
  flex:1 1 auto;
  height:48px;
  padding:0 16px;
  border-radius:var(--r-sm);
  background:rgba(255,255,255,.08);
  border:1px solid rgba(255,255,255,.16);
  color:#fff;
  transition:border-color .28s var(--ease),box-shadow .28s var(--ease);
}
.xx-form input[type="email"]::placeholder{color:rgba(255,255,255,.6)}
.xx-form input[type="email"]:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 2px rgba(106,75,240,.55);
}
.xx-form-msg{margin-top:12px;font-size:14px;color:#FFC3AF;min-height:22px}
.xx-form-msg.is-ok{color:#9BEBD2}
@media (max-width:1023px){
  .xx-cta-grid{grid-template-columns:1fr;gap:28px}
}
@media (max-width:639px){
  .xx-cta{padding:58px 0}
  .xx-form{flex-direction:column;align-items:stretch}
  .xx-form .xx-btn{width:100%}
}

/* ---------- 页脚 ---------- */
.xx-footer{
  background:var(--ink);
  color:rgba(255,255,255,.72);
  padding:72px 0 28px;
}
.xx-footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:44px}
.xx-footer h4{color:#fff;font-size:15px;margin-bottom:18px;font-weight:700}
.xx-footer .xx-brand-txt{color:#fff}
.xx-footer-desc{margin:16px 0 22px;font-size:14.5px;line-height:1.8;color:rgba(255,255,255,.66);max-width:320px}
.xx-social{display:flex;gap:10px}
.xx-social a{
  width:38px;height:38px;
  border-radius:50%;
  border:1px solid rgba(255,255,255,.22);
  display:inline-flex;align-items:center;justify-content:center;
  color:rgba(255,255,255,.75);
  transition:border-color .28s var(--ease),color .28s var(--ease),transform .28s var(--ease);
}
.xx-social a svg{width:16px;height:16px}
.xx-social a:hover{border-color:#fff;color:#fff;transform:translateY(-2px)}
.xx-footer ul{display:grid;gap:12px}
.xx-footer ul span{font-size:14px;color:rgba(255,255,255,.66);line-height:1.7}
.xx-footer ul a{
  font-size:14px;
  color:rgba(255,255,255,.72);
  display:inline-block;
  transition:color .28s var(--ease),transform .28s var(--ease);
}
.xx-footer ul a:hover{color:#fff;transform:translateX(2px)}
.xx-footer-bottom{
  margin-top:56px;
  padding-top:22px;
  border-top:1px solid rgba(255,255,255,.08);
  display:flex;
  justify-content:space-between;
  align-items:center;
  gap:16px;
  font-size:13px;
  color:rgba(255,255,255,.6);
}
.xx-domain{font-size:12px;opacity:.5}
@media (max-width:1023px){
  .xx-footer-grid{grid-template-columns:1fr 1fr;gap:34px}
}
@media (max-width:639px){
  .xx-footer{padding:56px 0 24px}
  .xx-footer-grid{grid-template-columns:1fr}
  .xx-footer-bottom{flex-direction:column;align-items:flex-start;margin-top:38px}
}

/* ---------- 入场动效 ---------- */
.xx-reveal{
  opacity:0;
  transform:translateY(16px);
  transition:opacity .6s var(--ease),transform .6s var(--ease);
}
.xx-reveal.is-in{opacity:1;transform:none}
@media (prefers-reduced-motion:reduce){
  *{animation-duration:.001ms !important;animation-iteration-count:1 !important;transition-duration:.001ms !important}
  .xx-reveal{opacity:1;transform:none}
}