/* roulang page: index */
/* ============ 设计变量 ============ */
:root{
  --bg:#070B14;
  --bg-2:#0B1220;
  --bg-3:#05080F;
  --panel:rgba(255,255,255,.045);
  --panel-2:rgba(255,255,255,.07);
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.18);
  --primary:#2F6BFF;
  --primary-soft:#6E9BFF;
  --accent:#22E0A8;
  --hot:#FF7A2F;
  --text:#E8EDF7;
  --text-2:#9AA8C0;
  --text-3:#66748C;
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --r-pill:999px;
  --sh:0 1px 0 rgba(255,255,255,.05) inset,0 10px 28px rgba(0,0,0,.38);
  --sh-glow:0 0 0 1px rgba(47,107,255,.55),0 12px 32px -8px rgba(47,107,255,.65);
  --ease:cubic-bezier(.2,.7,.3,1);
  --sec-y:88px;
}
/* ============ reset / base ============ */
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background-color:var(--bg);
  background-image:
    radial-gradient(900px 620px at 6% -8%, rgba(47,107,255,.20), transparent 62%),
    radial-gradient(720px 540px at 98% 8%, rgba(34,224,168,.10), transparent 64%),
    linear-gradient(rgba(255,255,255,.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px);
  background-size:auto,auto,40px 40px,40px 40px;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;height:auto;display:block;border:0}
a{color:var(--primary-soft);text-decoration:none;transition:color .2s var(--ease)}
a:hover{color:var(--accent)}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
button,input,select,textarea{font:inherit;color:inherit}
button{background:none;border:0;cursor:pointer}
svg{display:block}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
::selection{background:rgba(34,224,168,.28)}
/* 覆盖 Foundation 默认外观 */
a.button,button.button,.button{background:none;color:inherit;padding:0;margin:0;border:0;box-shadow:none;font-size:inherit;line-height:inherit}
.callout{background:none;border:0;margin:0;padding:0}
.top-bar{background:none;height:auto;padding:0}
dl,dd{margin:0}
/* ============ 容器与板块 ============ */
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:var(--sec-y) 0;position:relative}
.section--tight{padding:56px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap}
.section-head h2{font-size:clamp(24px,3.2vw,36px);line-height:1.25;font-weight:700;letter-spacing:-.01em}
.section-head .sec-sub{color:var(--text-2);font-size:14px;margin-top:8px;max-width:640px}
.sec-link{font-size:14px;color:var(--accent);display:inline-flex;align-items:center;gap:6px;white-space:nowrap}
.sec-link:hover{color:#7DF3CB}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:12.5px;letter-spacing:.08em;color:var(--accent);text-transform:uppercase;margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:2px;background:var(--accent);border-radius:2px;box-shadow:0 0 10px rgba(34,224,168,.8)}
/* ============ 按钮 ============ */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 24px;border-radius:var(--r-pill);font-size:15px;font-weight:600;border:1px solid transparent;transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease),background .22s var(--ease),color .22s var(--ease)}
.btn-primary{background:linear-gradient(135deg,#2F6BFF,#6E9BFF);color:#fff;box-shadow:var(--sh-glow)}
.btn-primary:hover{transform:translateY(-2px);color:#fff;box-shadow:0 0 0 1px rgba(47,107,255,.7),0 16px 40px -8px rgba(47,107,255,.8)}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(47,107,255,.5),0 8px 18px -6px rgba(47,107,255,.55)}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-icon{width:44px;height:44px;padding:0;border-radius:12px;background:var(--panel-2);border:1px solid var(--line);color:var(--text)}
.btn-icon:hover{background:rgba(255,255,255,.08);color:var(--accent);border-color:var(--line-strong)}
.btn.is-done{background:linear-gradient(135deg,#17B98A,#22E0A8);color:#04170F;box-shadow:0 0 0 1px rgba(34,224,168,.6),0 12px 30px -10px rgba(34,224,168,.7)}
.btn.is-done:hover{color:#04170F}
/* ============ 徽章 / chip ============ */
.badge{display:inline-flex;align-items:center;gap:6px;height:24px;padding:0 10px;border-radius:var(--r-pill);font-size:12px;line-height:1;color:var(--accent);border:1px solid rgba(34,224,168,.55);background:rgba(34,224,168,.08);white-space:nowrap}
.badge--hot{color:var(--hot);border-color:rgba(255,122,47,.55);background:rgba(255,122,47,.10)}
.badge--muted{color:var(--text-2);border-color:var(--line-strong);background:rgba(255,255,255,.05)}
.chip-row{display:flex;gap:10px;overflow-x:auto;padding:4px 0 16px;scroll-snap-type:x proximity}
.chip-row::-webkit-scrollbar{height:5px}
.chip-row::-webkit-scrollbar-thumb{background:rgba(255,255,255,.16);border-radius:999px}
.chip{flex:0 0 auto;scroll-snap-align:start;display:inline-flex;align-items:center;height:38px;padding:0 18px;border-radius:var(--r-pill);border:1px solid var(--line-strong);background:rgba(255,255,255,.04);color:var(--text-2);font-size:13.5px;transition:all .22s var(--ease)}
.chip:hover{color:var(--accent);border-color:rgba(34,224,168,.5);transform:translateY(-2px)}
.chip.is-on{background:var(--accent);border-color:var(--accent);color:#04170F;font-weight:600}
/* ============ 头部导航 ============ */
.site-header{position:sticky;top:0;z-index:80;background:rgba(7,11,20,0);border-bottom:1px solid transparent;transition:background .25s var(--ease),border-color .25s var(--ease)}
.site-header.is-stuck{background:rgba(7,11,20,.82);border-bottom-color:var(--line);backdrop-filter:blur(16px) saturate(140%);-webkit-backdrop-filter:blur(16px) saturate(140%)}
@supports not ((backdrop-filter:blur(1px)) or (-webkit-backdrop-filter:blur(1px))){
  .site-header.is-stuck{background:#070B14}
  .glass{background:#101828}
}
.nav-inner{display:flex;align-items:center;gap:22px;min-height:74px}
.brand{display:flex;align-items:center;gap:10px;color:var(--text);flex:0 0 auto}
.brand:hover{color:var(--text)}
.brand-mark{width:30px;height:30px;color:var(--accent);flex:0 0 auto}
.brand-text{font-size:18px;line-height:1;letter-spacing:.01em;white-space:nowrap}
.brand-text strong{font-weight:800}
.nav-search{position:relative;display:flex;align-items:center;flex:1 1 auto;max-width:540px;height:44px;border-radius:var(--r-pill);border:1px solid var(--line-strong);background:rgba(255,255,255,.05);padding:0 14px;transition:border-color .22s var(--ease),box-shadow .22s var(--ease),background .22s var(--ease)}
.nav-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(47,107,255,.22);background:rgba(255,255,255,.07)}
.nav-search svg{width:17px;height:17px;color:var(--text-3);flex:0 0 auto}
.nav-search input{flex:1 1 auto;min-width:0;height:100%;border:0;background:none;padding:0 10px;font-size:14.5px;color:var(--text);outline:none}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search input::-webkit-search-cancel-button{display:none}
.nav-search-hint{flex:0 0 auto;font-size:12px;color:var(--text-3);border-left:1px solid var(--line);padding-left:12px;white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;flex:0 0 auto}
.nav-links a{position:relative;display:inline-flex;align-items:center;height:40px;padding:0 12px;font-size:14.5px;color:var(--text-2);border-radius:var(--r-s);transition:color .2s var(--ease)}
.nav-links a:hover{color:var(--text)}
.nav-links a.is-active{color:var(--accent)}
.nav-links a.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(34,224,168,.9)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line-strong);background:rgba(255,255,255,.05);flex-direction:column;align-items:center;justify-content:center;gap:4px}
.nav-toggle span{display:block;width:18px;height:1.8px;background:var(--text);border-radius:2px;transition:transform .22s var(--ease),opacity .22s var(--ease)}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(5.8px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-5.8px) rotate(-45deg)}
.mobile-nav{display:none;border-top:1px solid var(--line);background:rgba(7,11,20,.96);backdrop-filter:blur(16px) saturate(140%);-webkit-backdrop-filter:blur(16px) saturate(140%);padding:16px 32px 22px}
.mobile-nav.is-open{display:block}
.mobile-nav .nav-search{max-width:none;margin-bottom:14px}
.mobile-nav a{display:block;padding:13px 4px;font-size:15.5px;color:var(--text-2);border-bottom:1px solid var(--line)}
.mobile-nav a:last-child{border-bottom:0}
.mobile-nav a.is-active{color:var(--accent);font-weight:600}
/* ============ Hero ============ */
.hero{position:relative;padding:70px 0 84px;overflow:hidden;background-image:linear-gradient(180deg,rgba(7,11,20,.78),rgba(7,11,20,.94)),url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center}
.hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:1px;background:linear-gradient(90deg,transparent,var(--line-strong),transparent)}
.hero-copy{position:relative;z-index:2}
.hero-tag{display:inline-flex;align-items:center;gap:8px;height:30px;padding:0 14px;border-radius:var(--r-pill);font-size:12.5px;color:var(--accent);border:1px solid rgba(34,224,168,.45);background:rgba(34,224,168,.08);margin-bottom:20px}
.hero-tag .dot{width:6px;height:6px;border-radius:50%;background:var(--accent);box-shadow:0 0 10px var(--accent);animation:pulse 2.4s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}
.hero h1{font-size:clamp(30px,5vw,54px);line-height:1.15;font-weight:800;letter-spacing:-.015em;max-width:15em}
.hero-sub{margin-top:20px;font-size:17px;color:var(--text-2);max-width:32em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.hero-stats{display:flex;flex-wrap:wrap;gap:8px 34px;margin-top:34px;padding:20px 24px;border-radius:var(--r-m)}
.hero-stats .stat{min-width:96px}
.hero-stats .stat-num{font-size:24px;font-weight:800;color:var(--accent);letter-spacing:-.01em;line-height:1.2}
.hero-stats .stat-label{font-size:12.5px;color:var(--text-3);margin-top:2px}
.glass{background:rgba(255,255,255,.06);border:1px solid var(--line-strong);border-radius:var(--r-m);backdrop-filter:blur(16px) saturate(140%);-webkit-backdrop-filter:blur(16px) saturate(140%);box-shadow:var(--sh)}
.hero-visual{position:relative;z-index:2;margin-top:36px}
.hero-cover{position:relative;border-radius:var(--r-l);overflow:hidden;border:1px solid var(--line-strong);box-shadow:0 28px 60px -24px rgba(0,0,0,.85)}
.hero-cover img{width:100%;aspect-ratio:3/4;object-fit:cover}
.hero-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(7,11,20,0) 42%,rgba(7,11,20,.82))}
.cover-badge{position:absolute;left:16px;right:16px;bottom:16px;z-index:2;padding:14px 16px;border-radius:var(--r-m)}
.cover-badge .cb-title{font-size:14.5px;font-weight:600}
.cover-badge .cb-meta{font-size:12.5px;color:var(--text-3);margin-top:4px;display:flex;gap:14px;flex-wrap:wrap}
/* ============ 卡片 ============ */
.card{display:flex;flex-direction:column;height:100%;background:var(--panel);border:1px solid var(--line);border-top-color:rgba(255,255,255,.16);border-radius:var(--r-m);box-shadow:var(--sh);overflow:hidden;color:var(--text);transition:transform .22s var(--ease),border-color .22s var(--ease),box-shadow .22s var(--ease)}
.card:hover{transform:translateY(-4px);border-color:rgba(47,107,255,.45);color:var(--text);box-shadow:0 1px 0 rgba(255,255,255,.06) inset,0 18px 40px rgba(0,0,0,.5)}
.card-thumb{position:relative;overflow:hidden;aspect-ratio:16/9;background:var(--bg-2)}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s var(--ease)}
.card:hover .card-thumb img{transform:scale(1.04)}
.card-body{padding:20px 20px 18px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto}
.card-title{font-size:17.5px;line-height:1.45;font-weight:600;transition:color .2s var(--ease);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card:hover .card-title{color:var(--accent)}
.card-text{font-size:14px;color:var(--text-2);line-height:1.75;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;font-size:12.5px;color:var(--text-3);padding-top:6px;border-top:1px solid var(--line)}
.card-foot .arrow{color:var(--text-3);transition:transform .22s var(--ease),color .22s var(--ease)}
.card:hover .card-foot .arrow{color:var(--accent);transform:translateX(4px)}
.card--wide .card-thumb{aspect-ratio:21/9}
.card--row{flex-direction:row;align-items:stretch}
.card--row .card-thumb{flex:0 0 44%;aspect-ratio:auto;min-height:100%}
.card--row .card-thumb img{height:100%}
/* ============ 精选交错网格 ============ */
.feature-grid .cell{margin-bottom:28px}
.feature-grid .cell:last-child{margin-bottom:0}
/* ============ 横滑推荐 ============ */
.hscroll-wrap{position:relative}
.hscroll-wrap::before,.hscroll-wrap::after{content:"";position:absolute;top:0;bottom:18px;width:24px;pointer-events:none;z-index:3}
.hscroll-wrap::before{left:0;background:linear-gradient(90deg,var(--bg) 10%,rgba(7,11,20,0))}
.hscroll-wrap::after{right:0;background:linear-gradient(270deg,var(--bg) 10%,rgba(7,11,20,0))}
.hscroll{display:flex;gap:20px;overflow-x:auto;padding:4px 2px 18px;scroll-snap-type:x mandatory;-webkit-overflow-scrolling:touch}
.hscroll::-webkit-scrollbar{height:6px}
.hscroll::-webkit-scrollbar-thumb{background:rgba(255,255,255,.16);border-radius:999px}
.hscroll>*{flex:0 0 280px;scroll-snap-align:start;display:flex}
/* ============ 数据条 ============ */
.metric-strip{display:flex;flex-wrap:wrap;gap:1px;background:var(--line);border:1px solid var(--line);border-radius:var(--r-m);overflow:hidden}
.metric-strip .metric{flex:1 1 200px;background:var(--bg-2);padding:26px 24px}
.metric .m-num{font-size:28px;font-weight:800;color:var(--accent);line-height:1.15}
.metric .m-label{font-size:13.5px;color:var(--text-2);margin-top:6px}
.metric .m-note{font-size:12.5px;color:var(--text-3);margin-top:4px}
/* ============ CTA 带 ============ */
.cta-band{border-radius:var(--r-l);padding:32px;display:flex;flex-wrap:wrap;align-items:center;gap:28px;justify-content:space-between;background-image:linear-gradient(120deg,rgba(47,107,255,.20),rgba(34,224,168,.12)),url('/assets/images/backpic/back-2.png');background-size:cover;background-position:center}
.cta-band .cta-copy{flex:1 1 380px}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);line-height:1.3;font-weight:700}
.cta-band p{color:var(--text-2);font-size:14.5px;margin-top:10px;max-width:44em}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
/* ============ FAQ ============ */
.faq-list{max-width:920px}
.faq-item{position:relative;background:var(--panel);border:1px solid var(--line);border-radius:var(--r-m);margin-bottom:14px;overflow:hidden;transition:border-color .22s var(--ease)}
.faq-item:hover{border-color:var(--line-strong)}
.faq-item[open]{border-color:rgba(34,224,168,.42)}
.faq-item[open]::before{content:"";position:absolute;left:0;top:12px;bottom:12px;width:3px;border-radius:0 3px 3px 0;background:var(--accent);box-shadow:0 0 12px var(--accent)}
.faq-item summary{list-style:none;cursor:pointer;padding:18px 58px 18px 22px;font-size:17px;font-weight:600;position:relative;color:var(--text)}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::after{content:"";position:absolute;right:22px;top:50%;width:12px;height:12px;transform:translateY(-50%);background:linear-gradient(currentColor,currentColor) center/12px 1.6px no-repeat,linear-gradient(currentColor,currentColor) center/1.6px 12px no-repeat;color:var(--text-2);transition:transform .2s var(--ease),color .2s var(--ease)}
.faq-item[open] summary::after{transform:translateY(-50%) rotate(45deg);color:var(--accent)}
.faq-item .faq-answer{padding:0 22px 20px;color:var(--text-2);font-size:15px;line-height:1.85}
/* ============ 空态 ============ */
.empty-state{text-align:center;padding:56px 24px;border:1px dashed var(--line-strong);border-radius:var(--r-m);background:rgba(255,255,255,.02)}
.empty-state svg{width:44px;height:44px;color:var(--text-3);margin:0 auto 16px}
.empty-state p{color:var(--text-2);font-size:15px;margin-bottom:18px}
/* ============ 页脚 ============ */
.site-footer{background:var(--bg-3);border-top:1px solid var(--line);padding:64px 0 0;margin-top:24px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.4fr;gap:40px;padding-bottom:44px}
.footer-col h3{font-size:14.5px;font-weight:600;color:var(--text);margin-bottom:16px}
.footer-desc{font-size:14px;color:var(--text-2);margin-top:16px;max-width:30em;line-height:1.8}
.footer-links li{margin-bottom:10px}
.footer-links a{font-size:14px;color:var(--text-2);display:inline-block;transition:color .2s var(--ease),transform .2s var(--ease)}
.footer-links a:hover{color:var(--accent);transform:translateX(2px)}
.footer-form{display:flex;gap:10px;margin-top:14px;flex-wrap:wrap}
.footer-form input{flex:1 1 160px;min-width:0;height:44px;padding:0 16px;border-radius:var(--r-pill);border:1px solid var(--line-strong);background:rgba(255,255,255,.05);color:var(--text);font-size:14px;outline:none;transition:border-color .22s var(--ease),box-shadow .22s var(--ease)}
.footer-form input::placeholder{color:var(--text-3)}
.footer-form input:focus{border-color:var(--primary);box-shadow:0 0 0 3px rgba(47,107,255,.22)}
.footer-form .btn{height:44px;padding:0 20px}
.form-hint{font-size:12.5px;color:var(--text-3);margin-top:10px}
.form-msg{font-size:12.5px;color:var(--accent);margin-top:8px;min-height:18px}
.footer-bottom{border-top:1px solid var(--line);padding:22px 0 30px;display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;align-items:center;font-size:13px;color:var(--text-3)}
.footer-bottom a{color:var(--text-3)}
.footer-bottom a:hover{color:var(--accent)}
/* ============ 响应式 ============ */
@media screen and (max-width:1024px){
  :root{--sec-y:64px}
  .container{padding:0 22px}
  .nav-inner{flex-wrap:wrap;padding-top:12px;padding-bottom:12px;gap:12px}
  .nav-links{display:none}
  .nav-toggle{display:flex;margin-left:auto}
  .nav-search{order:3;flex:1 1 100%;max-width:none}
  .nav-search-hint{display:none}
  .mobile-nav{padding:16px 22px 22px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
  .hero{padding:52px 0 62px}
  .hero h1{max-width:none}
}
@media screen and (max-width:640px){
  :root{--sec-y:56px}
  body{font-size:15.5px}
  .container{padding:0 16px}
  .mobile-nav{padding:14px 16px 20px}
  .hero{padding:40px 0 50px}
  .hero-sub{font-size:15.5px}
  .hero-actions{gap:10px}
  .hero-actions .btn{flex:1 1 100%}
  .hero-stats{padding:18px;gap:8px 24px}
  .hero-stats .stat{min-width:80px}
  .hero-stats .stat-num{font-size:20px}
  .cta-band{padding:24px}
  .cta-actions .btn{flex:1 1 100%}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .section-head{margin-bottom:24px}
  .hscroll>*{flex:0 0 250px}
  .card--row{flex-direction:column}
  .card--row .card-thumb{flex:none;aspect-ratio:16/9}
}
@media print{
  body{background:#fff;color:#000}
  .site-header,.cta-band,.hero-visual,.nav-search{display:none}
}

/* roulang page: article */
:root{
  --bg:#070B14;
  --bg-2:#0B1220;
  --bg-3:#05080F;
  --panel:rgba(255,255,255,.045);
  --panel-strong:rgba(255,255,255,.07);
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.18);
  --primary:#2F6BFF;
  --primary-soft:#6E9BFF;
  --accent:#22E0A8;
  --hot:#FF7A2F;
  --text:#E8EDF7;
  --text-2:#9AA8C0;
  --text-3:#66748C;
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --r-pill:999px;
  --sh:0 1px 0 rgba(255,255,255,.05) inset, 0 10px 28px rgba(0,0,0,.38);
  --sh-hover:0 1px 0 rgba(255,255,255,.08) inset, 0 18px 40px rgba(0,0,0,.46);
  --ease:.22s cubic-bezier(.2,.7,.3,1);
  --gutter:14px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background-color:var(--bg);
  background-image:
    radial-gradient(900px 620px at 0% 0%, rgba(47,107,255,.10), transparent 60%),
    radial-gradient(700px 520px at 100% 18%, rgba(34,224,168,.08), transparent 62%),
    linear-gradient(rgba(255,255,255,.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px);
  background-size:auto,auto,40px 40px,40px 40px;
  background-attachment:fixed,fixed,scroll,scroll;
  color:var(--text);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--primary-soft);text-decoration:none;transition:color var(--ease)}
a:hover,a:focus{color:var(--accent)}
h1,h2,h3,h4{margin:0;color:var(--text);font-weight:700;letter-spacing:.2px}
h1{font-size:clamp(30px,5vw,54px);line-height:1.15;font-weight:800}
h2{font-size:clamp(24px,3.2vw,36px);line-height:1.25}
h3{font-size:20px;line-height:1.4;font-weight:600}
p{margin:0 0 20px}
ul,ol{margin:0 0 20px;padding-left:20px}
button,input{font-family:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 16px}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(7,11,20,.55);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid var(--line);
  transition:background var(--ease),border-color var(--ease);
}
.site-header.is-scrolled{background:rgba(7,11,20,.82);box-shadow:0 10px 30px rgba(0,0,0,.45)}
.header-inner{display:flex;align-items:center;gap:18px;min-height:68px;flex-wrap:wrap}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);flex:0 0 auto}
.brand:hover{color:var(--text)}
.brand-mark{width:30px;height:30px;color:var(--accent);flex:0 0 auto}
.brand-mark circle:last-child{color:var(--primary)}
.brand-text{font-size:19px;line-height:1;letter-spacing:.2px}
.brand-text strong{font-weight:800;text-transform:uppercase;letter-spacing:.6px}
.nav-search{
  position:relative;display:flex;align-items:center;gap:10px;
  flex:1 1 auto;min-width:240px;max-width:540px;
  height:44px;padding:0 8px 0 14px;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-pill);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
.nav-search svg{width:18px;height:18px;color:var(--text-3);flex:0 0 auto}
.nav-search:focus-within{border-color:var(--primary);box-shadow:0 0 0 3px rgba(47,107,255,.22);background:rgba(47,107,255,.08)}
.nav-search input{
  flex:1 1 auto;min-width:0;height:100%;border:0;background:transparent;color:var(--text);
  font-size:14.5px;
}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search input:focus{outline:none}
.search-key{
  flex:0 0 auto;font-size:12px;color:var(--text-3);border:1px solid var(--line);
  border-radius:var(--r-pill);padding:2px 10px;line-height:1.6;
}
.nav-links{display:flex;align-items:center;gap:6px;flex:0 0 auto;margin-left:auto}
.nav-links a{
  position:relative;color:var(--text-2);font-size:14.5px;padding:8px 12px;border-radius:var(--r-pill);
  transition:color var(--ease),background var(--ease);
}
.nav-links a::after{
  content:"";position:absolute;left:12px;right:12px;bottom:2px;height:2px;border-radius:2px;
  background:var(--accent);box-shadow:0 0 10px rgba(34,224,168,.8);
  transform:scaleX(0);transform-origin:left;transition:transform var(--ease);
}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.06)}
.nav-links a:hover::after{transform:scaleX(1)}
.nav-links a.is-active{color:var(--accent)}
.nav-links a.is-active::after{transform:scaleX(1)}
.nav-toggle{
  display:none;align-items:center;justify-content:center;width:44px;height:44px;margin-left:auto;
  background:var(--panel);border:1px solid var(--line);border-radius:12px;color:var(--text);cursor:pointer;
  transition:background var(--ease),border-color var(--ease);
}
.nav-toggle:hover{background:rgba(255,255,255,.08);border-color:var(--line-strong)}
.nav-toggle svg{width:20px;height:20px}
.mobile-panel{
  display:none;border-top:1px solid var(--line);background:rgba(7,11,20,.96);
  padding:14px 16px 20px;
}
.mobile-panel.is-open{display:block}
.mobile-panel .nav-search{max-width:none;width:100%;margin-bottom:12px}
.mobile-links{display:grid;gap:6px}
.mobile-links a{
  display:flex;align-items:center;justify-content:space-between;min-height:44px;
  padding:10px 14px;border:1px solid var(--line);border-radius:var(--r-s);
  color:var(--text-2);background:var(--panel);font-size:15px;
}
.mobile-links a:hover{color:var(--accent);border-color:rgba(34,224,168,.4)}

/* ---------- generic ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;border:1px solid transparent;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease),background var(--ease),color var(--ease);
  white-space:nowrap;
}
.btn-primary{
  color:#fff;background:linear-gradient(135deg,#2F6BFF,#4F86FF);
  box-shadow:0 0 0 1px rgba(47,107,255,.55), 0 12px 32px -8px rgba(47,107,255,.65);
}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(47,107,255,.75), 0 16px 40px -8px rgba(47,107,255,.85)}
.btn-ghost{color:var(--text);background:transparent;border-color:var(--line-strong)}
.btn-ghost:hover{color:var(--accent);border-color:var(--accent);transform:translateY(-2px)}
.btn-accent{
  color:#04231A;background:linear-gradient(135deg,#22E0A8,#5BF0C3);border-color:transparent;
  box-shadow:0 0 0 1px rgba(34,224,168,.5), 0 12px 30px -10px rgba(34,224,168,.7);
}
.btn-accent:hover{color:#04231A;transform:translateY(-2px)}
.btn:active{transform:translateY(0);box-shadow:none}
.btn-icon{
  width:40px;height:40px;min-height:40px;padding:0;border-radius:12px;
  background:var(--panel);border:1px solid var(--line);color:var(--text-2);
}
.btn-icon:hover{background:rgba(255,255,255,.08);color:var(--accent);border-color:var(--line-strong)}
.btn-icon svg{width:18px;height:18px}
.badge{
  display:inline-flex;align-items:center;gap:6px;padding:4px 12px;border-radius:var(--r-pill);
  font-size:12px;line-height:1.7;border:1px solid rgba(34,224,168,.5);
  background:rgba(34,224,168,.08);color:var(--accent);font-weight:600;
}
.badge-hot{color:var(--hot);border-color:rgba(255,122,47,.45);background:rgba(255,122,47,.10)}
.chip-row{display:flex;gap:10px;overflow-x:auto;padding:4px 0 8px;scroll-snap-type:x proximity;scrollbar-width:thin}
.chip-row::-webkit-scrollbar{height:6px}
.chip-row::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:99px}
.chip{
  display:inline-flex;align-items:center;gap:6px;flex:0 0 auto;scroll-snap-align:start;
  padding:8px 16px;border-radius:var(--r-pill);border:1px solid var(--line);
  background:var(--panel);color:var(--text-2);font-size:13.5px;min-height:36px;
  transition:color var(--ease),border-color var(--ease),background var(--ease);
}
.chip:hover{color:var(--accent);border-color:rgba(34,224,168,.45)}
.chip.is-on{background:var(--accent);border-color:var(--accent);color:#04231A;font-weight:600}
.section{padding:56px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:32px;flex-wrap:wrap}
.section-head p{margin:8px 0 0;color:var(--text-2);font-size:15px;max-width:720px}
.section-link{font-size:14px;color:var(--accent);display:inline-flex;align-items:center;gap:6px}
.section-link:hover{color:var(--accent);opacity:.85}
.grid-x{--gutter:14px}
.grid-padding-x{margin-left:calc(var(--gutter) * -1);margin-right:calc(var(--gutter) * -1)}
.grid-padding-x>.cell{padding-left:var(--gutter);padding-right:var(--gutter)}
.card{
  position:relative;display:flex;flex-direction:column;height:100%;
  background:var(--panel);border:1px solid var(--line);border-radius:var(--r-m);
  box-shadow:var(--sh);overflow:hidden;
  transition:transform var(--ease),border-color var(--ease),box-shadow var(--ease);
}
.card::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.35),transparent);
}
.card:hover{transform:translateY(-4px);border-color:rgba(47,107,255,.45);box-shadow:var(--sh-hover)}
.card:hover .card-title{color:var(--accent)}
.card:hover .card-thumb img{transform:scale(1.04)}
.card-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-2)}
.card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s cubic-bezier(.2,.7,.3,1)}
.card-body{padding:18px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.card-title{font-size:18px;line-height:1.45;font-weight:600;color:var(--text);transition:color var(--ease);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-desc{font-size:14px;line-height:1.75;color:var(--text-2);margin:0;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{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:13px;color:var(--text-3)}
.card-meta svg{width:16px;height:16px;color:var(--text-3);transition:color var(--ease),transform var(--ease)}
.card:hover .card-meta svg{color:var(--accent);transform:translateX(3px)}
.muted{color:var(--text-3);font-size:13px}
.crumbs{display:flex;align-items:center;gap:8px;flex-wrap:wrap;font-size:13px;color:var(--text-3);padding:22px 0 0}
.crumbs a{color:var(--text-3)}
.crumbs a:hover{color:var(--accent)}
.crumbs .sep{opacity:.5}
.crumbs .now{color:var(--text-2)}

/* ---------- article head ---------- */
.article-head{padding:18px 0 30px;border-bottom:1px solid var(--line)}
.article-head h1{margin:16px 0 18px;max-width:920px}
.article-meta{display:flex;align-items:center;gap:16px;flex-wrap:wrap;font-size:13px;color:var(--text-3)}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:var(--text-3);opacity:.6}
.article-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.article-lead{
  margin-top:22px;padding:20px 22px;border-radius:var(--r-m);
  background:var(--panel);border:1px solid var(--line);border-left:3px solid var(--accent);
  color:var(--text-2);font-size:15px;line-height:1.85;
}

/* ---------- article layout ---------- */
.article-layout{padding:44px 0 8px}
.article-body{max-width:800px}
.article-body h2{
  margin:48px 0 18px;font-size:clamp(22px,2.6vw,28px);line-height:1.35;
  padding-left:12px;border-left:3px solid var(--accent);
  box-shadow:-2px 0 14px rgba(34,224,168,.35);
}
.article-body h3{margin:32px 0 12px;font-size:19px}
.article-body p{font-size:16px;line-height:1.9;color:#D5DCEA;margin:0 0 20px}
.article-body a{color:var(--accent);border-bottom:1px solid rgba(34,224,168,.35)}
.article-body a:hover{color:var(--primary-soft)}
.article-body ul,.article-body ol{padding-left:22px;margin:0 0 22px;color:#D5DCEA}
.article-body li{font-size:16px;line-height:1.9;margin-bottom:8px}
.article-body ul{list-style:none;padding-left:4px}
.article-body ul li{position:relative;padding-left:20px}
.article-body ul li::before{
  content:"";position:absolute;left:0;top:11px;width:7px;height:7px;border-radius:2px;
  background:var(--accent);box-shadow:0 0 10px rgba(34,224,168,.7);
}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;border-radius:var(--r-m);
  background:var(--panel);border:1px solid var(--line);border-left:3px solid var(--accent);
  color:var(--text-2);font-size:15.5px;line-height:1.85;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:12px;margin:26px 0 8px;width:100%}
.article-body figure{margin:26px 0}
.article-body figcaption{text-align:center;font-size:13px;color:var(--text-3);margin-top:8px}
.article-body table{width:100%;border-collapse:separate;border-spacing:0 8px;margin:24px 0}
.article-body thead{display:none}
.article-body tr{display:block;background:var(--panel);border:1px solid var(--line);border-radius:var(--r-s);padding:12px 16px}
.article-body td{display:block;border:0;padding:4px 0;font-size:14.5px;color:var(--text-2)}
.article-body td:first-child{color:var(--text);font-weight:600}
.article-body code{background:rgba(255,255,255,.07);border-radius:6px;padding:2px 6px;font-size:14px;color:var(--accent)}

/* ---------- side rail ---------- */
.rail{position:sticky;top:96px;display:grid;gap:16px}
.rail-box{background:var(--panel);border:1px solid var(--line);border-radius:var(--r-m);box-shadow:var(--sh);padding:18px}
.rail-box h3{font-size:15px;letter-spacing:.4px;color:var(--text);margin-bottom:14px;display:flex;align-items:center;gap:8px}
.rail-box h3::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--accent);box-shadow:0 0 10px rgba(34,224,168,.7)}
.toc{display:grid;gap:6px;list-style:none;padding:0;margin:0}
.toc a{
  display:block;padding:8px 12px;border-radius:var(--r-s);font-size:14px;color:var(--text-2);
  border-left:2px solid transparent;transition:color var(--ease),background var(--ease),border-color var(--ease);
}
.toc a:hover{color:var(--accent);background:rgba(255,255,255,.05);border-left-color:var(--accent)}
.rail-thumb{border-radius:var(--r-s);overflow:hidden;aspect-ratio:16/9;background:var(--bg-2);margin-bottom:12px}
.rail-thumb img{width:100%;height:100%;object-fit:cover}
.rail-list{list-style:none;padding:0;margin:0;display:grid;gap:12px}
.rail-list a{display:block;font-size:14px;line-height:1.6;color:var(--text)}
.rail-list a:hover{color:var(--accent)}
.rail-list .muted{display:block;margin-top:4px}

/* ---------- tags & related ---------- */
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin:34px 0 0;padding-top:24px;border-top:1px solid var(--line)}
.empty-state{
  text-align:center;padding:64px 24px;border:1px dashed var(--line-strong);border-radius:var(--r-m);
  background:var(--panel);color:var(--text-2);
}
.empty-state svg{width:44px;height:44px;color:var(--text-3);margin:0 auto 14px}
.empty-state p{margin-bottom:18px}

/* ---------- CTA ---------- */
.cta-band{
  margin:56px 0 0;padding:28px;border-radius:var(--r-l);
  background:linear-gradient(135deg,rgba(47,107,255,.14),rgba(34,224,168,.08));
  border:1px solid var(--line-strong);box-shadow:var(--sh);
  backdrop-filter:blur(16px) saturate(140%);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
}
.cta-band h3{font-size:24px;margin-bottom:8px}
.cta-band p{color:var(--text-2);margin:0}
.cta-actions{display:flex;align-items:center;gap:12px;flex-wrap:wrap;justify-content:flex-end}
.cta-band .cell{display:flex;flex-direction:column;justify-content:center}

/* ---------- FAQ ---------- */
.faq-accordion{border:0;background:transparent;list-style:none;margin:0;padding:0}
.faq-accordion .accordion-item{
  border:1px solid var(--line);border-radius:var(--r-m);background:var(--panel);
  margin-bottom:12px;overflow:hidden;transition:border-color var(--ease),box-shadow var(--ease);
}
.faq-accordion .accordion-item.is-active{border-color:rgba(34,224,168,.45);box-shadow:0 0 0 1px rgba(34,224,168,.18)}
.faq-accordion .accordion-title{
  position:relative;display:block;padding:18px 56px 18px 22px;color:var(--text);
  font-size:17px;font-weight:600;line-height:1.6;border:0;background:transparent;
}
.faq-accordion .accordion-title:hover{color:var(--accent)}
.faq-accordion .accordion-title::before{
  content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:2px;
  background:var(--accent);box-shadow:0 0 12px rgba(34,224,168,.7);
  opacity:0;transition:opacity var(--ease);
}
.faq-accordion .is-active .accordion-title::before{opacity:1}
.faq-accordion .accordion-title::after{
  content:"";position:absolute;right:22px;top:50%;width:14px;height:14px;margin-top:-7px;
  background:
    linear-gradient(var(--accent),var(--accent)) center/14px 2px no-repeat,
    linear-gradient(var(--accent),var(--accent)) center/2px 14px no-repeat;
  transition:transform var(--ease);
}
.faq-accordion .is-active .accordion-title::after{transform:rotate(45deg)}
.faq-accordion .accordion-content{padding:0 22px 20px;border:0;background:transparent;color:var(--text-2);font-size:15px;line-height:1.85}
.faq-accordion .accordion-content p{color:var(--text-2);font-size:15px}

/* ---------- horizontal rail ---------- */
.hscroll-wrap{position:relative}
.hscroll-wrap::before,.hscroll-wrap::after{
  content:"";position:absolute;top:0;bottom:0;width:24px;z-index:2;pointer-events:none;
}
.hscroll-wrap::before{left:-14px;background:linear-gradient(90deg,var(--bg),transparent)}
.hscroll-wrap::after{right:-14px;background:linear-gradient(270deg,var(--bg),transparent)}
.hscroll{display:flex;gap:16px;overflow-x:auto;padding:4px 0 14px;scroll-snap-type:x mandatory}
.hscroll>.card{flex:0 0 280px;scroll-snap-align:start}

/* ---------- footer ---------- */
.site-footer{margin-top:72px;background:var(--bg-3);border-top:1px solid var(--line)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.4fr;gap:32px;padding:52px 0 32px}
.footer-col h3{font-size:15px;margin-bottom:14px;color:var(--text);letter-spacing:.4px}
.footer-desc{color:var(--text-2);font-size:14px;line-height:1.8;margin:14px 0 0;max-width:320px}
.footer-links{list-style:none;padding:0;margin:0;display:grid;gap:10px}
.footer-links a{color:var(--text-2);font-size:14px;display:inline-block;transition:color var(--ease),transform var(--ease)}
.footer-links a:hover{color:var(--accent);transform:translateX(2px)}
.footer-form{display:flex;gap:8px;margin-top:12px}
.footer-form input{
  flex:1 1 auto;min-width:0;height:44px;padding:0 14px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text);font-size:14px;
  transition:border-color var(--ease),box-shadow var(--ease);
}
.footer-form input::placeholder{color:var(--text-3)}
.footer-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(47,107,255,.22)}
.form-msg{font-size:13px;margin:10px 0 0;min-height:18px;color:var(--accent)}
.form-msg.is-error{color:var(--hot)}
.form-hint{font-size:12.5px;color:var(--text-3);margin:6px 0 0}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  padding:18px 0 26px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3)}
.footer-bottom a:hover{color:var(--accent)}

/* ---------- responsive ---------- */
@media (min-width:641px) and (max-width:1024px){
  .nav-search{order:3;flex-basis:100%;max-width:none;min-width:0}
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .section{padding:64px 0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .article-body{max-width:none}
}
@media (max-width:640px){
  body{font-size:15.5px;background-attachment:scroll,scroll,scroll,scroll}
  .container{padding:0 16px}
  .nav-search{order:3;flex-basis:100%;max-width:none;min-width:0}
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .brand-text{font-size:17px}
  .section{padding:56px 0}
  .section-head{margin-bottom:24px}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding:40px 0 26px}
  .cta-band{padding:22px;margin-top:44px}
  .cta-actions{justify-content:flex-start;margin-top:18px}
  .cta-band .cell{display:block}
  .hscroll>.card{flex:0 0 82%}
  .article-body h2{margin-top:38px}
  .btn{width:auto}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media (min-width:1025px){
  .container{padding:0 32px}
  .section{padding:88px 0}
}
@media (min-width:1201px){
  .rail{top:104px}
}
@media print{
  body{background:#fff;color:#111}
  .site-header,.site-footer,.cta-band,.article-actions,.rail,.hscroll-wrap{display:none}
  .article-body,.article-body p{color:#111}
}

/* roulang page: category1 */
/* ============================================================
   mksports网站 · 设计系统
   ============================================================ */
:root{
  --bg:#070B14;
  --bg-2:#0B1220;
  --footer-bg:#05080F;
  --panel:rgba(255,255,255,.045);
  --panel-2:rgba(255,255,255,.07);
  --line:rgba(255,255,255,.10);
  --line-strong:rgba(255,255,255,.18);
  --primary:#2F6BFF;
  --primary-soft:#6E9BFF;
  --accent:#22E0A8;
  --hot:#FF7A2F;
  --text:#E8EDF7;
  --text-2:#9AA8C0;
  --text-3:#66748C;
  --r-s:10px;
  --r-m:16px;
  --r-l:24px;
  --r-pill:999px;
  --sh:0 1px 0 rgba(255,255,255,.05) inset, 0 10px 28px rgba(0,0,0,.38);
  --sh-hi:0 1px 0 rgba(255,255,255,.08) inset, 0 18px 42px rgba(0,0,0,.5);
  --ease:cubic-bezier(.2,.7,.3,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding:0;
  background-color:var(--bg);
  background-image:
    radial-gradient(900px 620px at 6% -8%, rgba(47,107,255,.16), transparent 62%),
    radial-gradient(700px 560px at 104% 10%, rgba(34,224,168,.10), transparent 60%),
    repeating-linear-gradient(0deg, rgba(255,255,255,.028) 0 1px, transparent 1px 40px),
    repeating-linear-gradient(90deg, rgba(255,255,255,.028) 0 1px, transparent 1px 40px);
  color:var(--text);
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.85;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0}
a{color:var(--primary-soft);text-decoration:none;transition:color .22s var(--ease),border-color .22s var(--ease),background-color .22s var(--ease),transform .22s var(--ease)}
a:hover{color:var(--accent)}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.25;color:var(--text)}
h1{font-size:clamp(30px,5vw,54px);line-height:1.15;font-weight:800;letter-spacing:-.4px}
h2{font-size:clamp(24px,3.2vw,36px);line-height:1.25}
h3{font-size:20px;line-height:1.4;font-weight:600}
p{margin:0 0 20px}
ul,ol{margin:0;padding:0;list-style:none}
button,input{font-family:inherit;font-size:inherit}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px}
.num,.meta,.badge{font-variant-numeric:tabular-nums}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:44px;padding:0 22px;border-radius:var(--r-pill);
  font-size:15px;font-weight:600;line-height:1;cursor:pointer;
  border:1px solid transparent;background:transparent;color:var(--text);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease),background-color .22s var(--ease),color .22s var(--ease);
  white-space:nowrap;
}
.btn-primary{
  background:linear-gradient(135deg,var(--primary),#1B4FD8);
  color:#fff;
  box-shadow:0 0 0 1px rgba(47,107,255,.55), 0 12px 32px -8px rgba(47,107,255,.65);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 0 0 1px rgba(110,155,255,.7), 0 18px 40px -8px rgba(47,107,255,.85);color:#fff}
.btn-primary:active{transform:translateY(0);box-shadow:0 0 0 1px rgba(47,107,255,.5), 0 8px 18px -8px rgba(47,107,255,.55)}
.btn-ghost{border-color:var(--line-strong);color:var(--text)}
.btn-ghost:hover{border-color:var(--accent);color:var(--accent);transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.btn-icon{
  width:44px;height:44px;min-height:44px;padding:0;border-radius:var(--r-s);
  border:1px solid var(--line-strong);color:var(--text-2);background:transparent;
}
.btn-icon:hover{background:rgba(255,255,255,.08);color:var(--accent);border-color:var(--accent)}
.btn.is-done{border-color:var(--accent);color:var(--accent);background:rgba(34,224,168,.12)}
.btn svg{width:18px;height:18px;stroke:currentColor;stroke-width:1.7;fill:none;stroke-linecap:round;stroke-linejoin:round}
button.button,.button{background:transparent;color:var(--text);border:0;margin:0}
.button:focus{outline:none}

/* ---------- 徽章 / chip ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:4px 11px;border-radius:var(--r-pill);
  font-size:12px;font-weight:600;letter-spacing:.02em;
  color:var(--accent);border:1px solid rgba(34,224,168,.45);
  background:rgba(34,224,168,.08);
}
.badge-hot{color:var(--hot);border-color:rgba(255,122,47,.5);background:rgba(255,122,47,.12)}
.chip-row{
  position:relative;display:flex;gap:10px;overflow-x:auto;padding:4px 0 10px;
  scroll-snap-type:x proximity;-webkit-overflow-scrolling:touch;
}
.chip-row::-webkit-scrollbar{height:6px}
.chip-row::-webkit-scrollbar-thumb{background:rgba(255,255,255,.14);border-radius:99px}
.chip{
  scroll-snap-align:start;flex:0 0 auto;
  display:inline-flex;align-items:center;min-height:40px;padding:0 18px;
  border-radius:var(--r-pill);border:1px solid var(--line-strong);
  background:rgba(255,255,255,.03);color:var(--text-2);
  font-size:14px;font-weight:600;
}
.chip:hover{color:var(--text);border-color:var(--accent);background:rgba(34,224,168,.08);transform:translateY(-2px)}
.chip.is-active{background:var(--accent);border-color:var(--accent);color:#06231A}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:transparent;
  border-bottom:1px solid transparent;
  transition:background-color .25s var(--ease),border-color .25s var(--ease),backdrop-filter .25s var(--ease);
}
.site-header.is-scrolled{
  background:rgba(7,11,20,.82);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  border-bottom:1px solid var(--line);
}
.header-inner{display:flex;align-items:center;gap:22px;padding:14px 0}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--text);flex:0 0 auto}
.brand:hover{color:var(--text)}
.brand-mark{width:30px;height:30px;color:var(--accent);flex:0 0 auto}
.brand-text{font-size:19px;line-height:1;letter-spacing:.01em;white-space:nowrap}
.brand-text strong{font-weight:800;letter-spacing:.02em}
.nav-search{
  position:relative;flex:1 1 auto;max-width:560px;min-width:260px;
  display:flex;align-items:center;
}
.nav-search svg{position:absolute;left:16px;width:18px;height:18px;stroke:var(--text-3);stroke-width:1.7;fill:none;stroke-linecap:round}
.nav-search input{
  width:100%;height:46px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.05);
  border:1px solid var(--line);
  color:var(--text);font-size:15px;
  padding:0 116px 0 44px;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease),background-color .22s var(--ease);
}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search input:focus{
  outline:none;background:rgba(255,255,255,.07);
  border-color:var(--primary);
  box-shadow:0 0 0 3px rgba(47,107,255,.22);
}
.nav-search-hint{
  position:absolute;right:16px;font-size:12px;color:var(--text-3);
  border-left:1px solid var(--line);padding-left:12px;line-height:1;pointer-events:none;
}
.nav-links{display:flex;align-items:center;gap:20px;margin-left:auto;flex:0 0 auto}
.nav-links a{
  position:relative;font-size:15px;font-weight:600;color:var(--text-2);
  padding:8px 2px;white-space:nowrap;
}
.nav-links a::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;border-radius:2px;
  background:var(--accent);opacity:0;transform:scaleX(.4);transition:opacity .22s var(--ease),transform .22s var(--ease);
  box-shadow:0 0 10px rgba(34,224,168,.9);
}
.nav-links a:hover{color:var(--text)}
.nav-links a:hover::after{opacity:.5;transform:scaleX(1)}
.nav-links a.is-active{color:var(--accent)}
.nav-links a.is-active::after{opacity:1;transform:scaleX(1)}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:var(--r-s);
  border:1px solid var(--line-strong);background:transparent;color:var(--text);
  align-items:center;justify-content:center;cursor:pointer;flex:0 0 auto;
}
.nav-toggle:hover{background:rgba(255,255,255,.08)}
.nav-toggle svg{width:20px;height:20px;stroke:currentColor;stroke-width:1.7;fill:none;stroke-linecap:round}
.mobile-panel{
  display:none;overflow:hidden;max-height:0;
  transition:max-height .3s var(--ease);
  border-top:1px solid transparent;
}
.mobile-panel.is-open{max-height:560px;border-top-color:var(--line)}
.mobile-panel-inner{padding:16px 32px 22px;background:rgba(7,11,20,.94);-webkit-backdrop-filter:blur(16px);backdrop-filter:blur(16px)}
.mobile-panel .nav-search{max-width:none;min-width:0;margin-bottom:14px}
.mobile-panel .nav-search input{padding-right:24px}
.mobile-panel .nav-search-hint{display:none}
.mobile-links{display:grid;gap:6px}
.mobile-links a{
  display:flex;align-items:center;justify-content:space-between;
  min-height:48px;padding:0 14px;border-radius:var(--r-s);
  border:1px solid var(--line);color:var(--text-2);font-weight:600;
}
.mobile-links a:hover{color:var(--accent);border-color:var(--accent);background:rgba(34,224,168,.08)}
.mobile-links a.is-active{color:var(--accent);border-color:rgba(34,224,168,.5);background:rgba(34,224,168,.1)}

/* ---------- 面包屑 ---------- */
.crumb-bar{border-bottom:1px solid var(--line);background:rgba(11,18,32,.5)}
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;padding:14px 0;font-size:13px;color:var(--text-3)}
.crumb a{color:var(--text-3)}
.crumb a:hover{color:var(--accent)}
.crumb .sep{color:var(--line-strong)}
.crumb .cur{color:var(--text-2)}

/* ---------- 分类 Hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  border-bottom:1px solid var(--line);
  background-image:linear-gradient(180deg, rgba(7,11,20,.86), rgba(7,11,20,.94)), url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background:linear-gradient(120deg, rgba(47,107,255,.14), transparent 55%);
}
.cat-hero .container{position:relative;z-index:2;display:flex;align-items:flex-end;min-height:330px;padding-top:52px;padding-bottom:40px}
.hero-glass{
  width:100%;max-width:760px;
  border:1px solid var(--line);
  border-radius:var(--r-l);
  background:rgba(11,18,32,.62);
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  box-shadow:var(--sh);
  padding:26px 28px 24px;
  border-top:1px solid rgba(255,255,255,.16);
}
.hero-glass h1{margin:14px 0 12px}
.hero-sub{font-size:17px;color:var(--text-2);margin:0 0 20px;max-width:620px}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px 34px;border-top:1px solid var(--line);padding-top:16px}
.hero-stats li{display:flex;flex-direction:column;gap:2px}
.hero-stats .num{font-size:22px;font-weight:800;color:var(--accent);line-height:1.2}
.hero-stats .lab{font-size:13px;color:var(--text-3)}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-alt{background:linear-gradient(180deg, rgba(11,18,32,.65), rgba(7,11,20,0) 70%);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:32px}
.section-head h2{margin-bottom:10px}
.section-head p{margin:0;color:var(--text-2);font-size:15.5px;max-width:680px}
.section-link{font-size:14px;font-weight:600;color:var(--accent);display:inline-flex;align-items:center;gap:6px}
.section-link svg{width:16px;height:16px;stroke:currentColor;stroke-width:1.7;fill:none;stroke-linecap:round;stroke-linejoin:round}
.section-link:hover{gap:10px}

/* ---------- 实时状态条 ---------- */
.status-strip{
  display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;
  border:1px solid var(--line);border-radius:var(--r-m);overflow:hidden;
  background:var(--line);margin-bottom:34px;
}
.status-strip > div{background:rgba(11,18,32,.78);padding:18px 22px;display:flex;flex-direction:column;gap:4px}
.status-strip .k{font-size:13px;color:var(--text-3)}
.status-strip .v{font-size:20px;font-weight:800;color:var(--text);font-variant-numeric:tabular-nums}
.status-strip .v em{font-style:normal;color:var(--accent)}
.status-strip .live{display:inline-flex;align-items:center;gap:6px;font-size:12px;color:var(--hot)}
.status-strip .live i{width:7px;height:7px;border-radius:50%;background:var(--hot);box-shadow:0 0 10px var(--hot);animation:pulse 1.8s infinite}
@keyframes pulse{0%,100%{opacity:1}50%{opacity:.35}}

/* ---------- 卡片 ---------- */
.cards-grid{margin-bottom:-24px}
.cards-grid > .cell{margin-bottom:24px}
.card{
  height:100%;border:1px solid var(--line);border-radius:var(--r-m);
  background:var(--panel);box-shadow:var(--sh);
  border-top:1px solid rgba(255,255,255,.14);
  overflow:hidden;
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease),background-color .22s var(--ease);
}
.card:hover{transform:translateY(-4px);border-color:rgba(47,107,255,.45);background:var(--panel-2);box-shadow:var(--sh-hi)}
.card-link{display:flex;flex-direction:column;height:100%;color:var(--text)}
.card-link:hover{color:var(--text)}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-2)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s var(--ease);opacity:.92}
.card:hover .card-media img{transform:scale(1.04);opacity:1}
.card-media::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg, rgba(7,11,20,0) 45%, rgba(7,11,20,.7))}
.card-body{padding:20px 22px 18px;display:flex;flex-direction:column;gap:12px;flex:1}
.card-title{font-size:18px;font-weight:700;line-height:1.45;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .22s var(--ease)}
.card:hover .card-title{color:var(--accent)}
.card-excerpt{font-size:14.5px;line-height:1.8;color:var(--text-2);margin:0;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-foot{
  display:flex;align-items:center;justify-content:space-between;gap:12px;
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.card-more{display:inline-flex;align-items:center;gap:6px;color:var(--primary-soft);font-weight:600}
.card-more svg{width:15px;height:15px;stroke:currentColor;stroke-width:1.8;fill:none;stroke-linecap:round;stroke-linejoin:round;transition:transform .22s var(--ease)}
.card:hover .card-more svg{transform:translateX(3px)}
.card:hover .card-more{color:var(--accent)}
@media (min-width:1025px){
  .card--wide .card-link{display:grid;grid-template-columns:minmax(0,44%) minmax(0,1fr);align-items:stretch}
  .card--wide .card-media{aspect-ratio:auto;height:100%}
  .card--wide .card-title{font-size:21px;-webkit-line-clamp:3}
  .card--wide .card-excerpt{-webkit-line-clamp:4}
}

/* ---------- CTA 玻璃带 ---------- */
.cta-band{
  border:1px solid var(--line);border-top:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-l);
  background:linear-gradient(120deg, rgba(47,107,255,.14), rgba(34,224,168,.07) 60%, rgba(255,255,255,.03));
  -webkit-backdrop-filter:blur(16px) saturate(140%);
  backdrop-filter:blur(16px) saturate(140%);
  box-shadow:var(--sh);
  padding:32px 34px;
}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:10px}
.cta-band p{color:var(--text-2);margin:0;max-width:520px}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;justify-content:flex-end;align-items:center}
.cta-note{font-size:13px;color:var(--text-3);margin:14px 0 0}

/* ---------- FAQ ---------- */
.faq-accordion{margin:0}
.faq-accordion .accordion-item{
  position:relative;background:var(--panel);border:1px solid var(--line);
  border-radius:var(--r-m);margin-bottom:14px;overflow:hidden;
  transition:border-color .22s var(--ease),background-color .22s var(--ease);
}
.faq-accordion .accordion-item::before{
  content:"";position:absolute;left:0;top:16px;bottom:16px;width:3px;border-radius:0 3px 3px 0;
  background:var(--accent);box-shadow:0 0 12px var(--accent);opacity:0;transition:opacity .2s var(--ease);
}
.faq-accordion .accordion-item.is-active{border-color:rgba(34,224,168,.35);background:var(--panel-2)}
.faq-accordion .accordion-item.is-active::before{opacity:1}
.faq-accordion .accordion-title{
  display:block;border:0;background:transparent;color:var(--text);
  font-size:17px;font-weight:600;line-height:1.5;
  padding:20px 58px 20px 24px;
}
.faq-accordion .accordion-title:hover,.faq-accordion .accordion-title:focus{background:transparent;color:var(--accent)}
.faq-accordion .accordion-title::before{
  content:"+";position:absolute;right:22px;top:50%;transform:translateY(-50%);
  width:auto;height:auto;margin:0;color:var(--accent);font-size:22px;font-weight:400;line-height:1;
  transition:transform .2s var(--ease);
}
.faq-accordion .accordion-item.is-active .accordion-title::before{transform:translateY(-50%) rotate(45deg)}
.faq-accordion .accordion-content{
  border:0;background:transparent;color:var(--text-2);
  font-size:15px;line-height:1.85;padding:0 58px 22px 24px;
}
.faq-accordion .accordion-content p:last-child{margin-bottom:0}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--footer-bg);border-top:1px solid var(--line);padding:64px 0 0;margin-top:0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.4fr;gap:36px}
.footer-col h3{font-size:15px;font-weight:700;letter-spacing:.04em;color:var(--text);margin-bottom:16px}
.footer-desc{font-size:14px;line-height:1.85;color:var(--text-3);margin:16px 0 0;max-width:340px}
.footer-links{display:grid;gap:10px}
.footer-links a{font-size:14px;color:var(--text-2);display:inline-block;transition:color .22s var(--ease),transform .22s var(--ease)}
.footer-links a:hover{color:var(--accent);transform:translateX(2px)}
.footer-form{display:flex;gap:10px;margin-top:14px}
.footer-form input{
  flex:1 1 auto;min-width:0;height:46px;border-radius:var(--r-s);
  background:rgba(255,255,255,.04);border:1px solid var(--line);
  color:var(--text);font-size:14px;padding:0 14px;
  transition:border-color .22s var(--ease),box-shadow .22s var(--ease);
}
.footer-form input::placeholder{color:var(--text-3)}
.footer-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(47,107,255,.22)}
.footer-form .btn{flex:0 0 auto;padding:0 20px}
.form-msg{font-size:13px;color:var(--accent);margin:10px 0 0;min-height:18px}
.form-msg.is-error{color:var(--hot)}
.form-hint{font-size:13px;color:var(--text-3);margin:6px 0 0}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  margin-top:48px;padding:20px 0;border-top:1px solid var(--line);
  font-size:13px;color:var(--text-3);
}
.footer-bottom a{color:var(--text-3)}
.footer-bottom a:hover{color:var(--accent)}

/* ---------- 响应式 ---------- */
@media (max-width:1200px){
  .container{padding:0 28px}
}
@media (max-width:1024px){
  .nav-search{max-width:none}
  .nav-search-hint{display:none}
  .nav-search input{padding-right:20px}
  .nav-links{display:none}
  .nav-toggle{display:inline-flex}
  .mobile-panel{display:block}
  .header-inner{gap:14px}
  .nav-search{order:3;flex:1 1 100%;min-width:0}
  .header-inner{flex-wrap:wrap;padding-top:12px;padding-bottom:12px}
  .brand{order:1}
  .nav-toggle{order:2;margin-left:auto}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .cta-actions{justify-content:flex-start}
}
@media (max-width:640px){
  body{font-size:15.5px}
  .container{padding:0 16px}
  .mobile-panel-inner{padding:14px 16px 20px}
  .section{padding:56px 0}
  .section-tight{padding:44px 0}
  .cat-hero .container{min-height:auto;padding-top:34px;padding-bottom:30px}
  .hero-glass{padding:22px 18px 20px}
  .hero-sub{font-size:15.5px}
  .hero-stats{gap:12px 24px}
  .status-strip{grid-template-columns:1fr}
  .cta-band{padding:24px 20px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 auto}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .section-head{align-items:flex-start}
}
@media print{
  .site-header,.cta-band,.nav-toggle,.mobile-panel{display:none !important}
  body{background:#fff;color:#000}
  .card{border:1px solid #ccc;box-shadow:none}
}

/* roulang page: category2 */
:root{
  --bg:#070B14;--bg-2:#0B1220;--bg-3:#05080F;
  --panel:rgba(255,255,255,.045);--line:rgba(255,255,255,.10);--line-strong:rgba(255,255,255,.18);
  --primary:#2F6BFF;--primary-soft:#6E9BFF;--accent:#22E0A8;--hot:#FF7A2F;
  --text:#E8EDF7;--text-2:#9AA8C0;--text-3:#66748C;
  --r-s:10px;--r-m:16px;--r-l:24px;--r-pill:999px;
  --sh:0 1px 0 rgba(255,255,255,.05) inset, 0 10px 28px rgba(0,0,0,.38);
  --tr:.22s cubic-bezier(.2,.7,.3,1);
  --maxw:1200px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;padding:0;min-height:100%;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;line-height:1.85;color:var(--text);
  background-color:var(--bg);
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
  background-image:
    radial-gradient(900px 620px at 6% -8%, rgba(47,107,255,.20), transparent 62%),
    radial-gradient(700px 520px at 100% 10%, rgba(34,224,168,.09), transparent 66%),
    linear-gradient(rgba(255,255,255,.028) 1px, transparent 1px),
    linear-gradient(90deg, rgba(255,255,255,.028) 1px, transparent 1px);
  background-size:auto,auto,40px 40px,40px 40px;
  background-attachment:fixed,fixed,scroll,scroll;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--primary-soft);text-decoration:none;transition:color var(--tr)}
a:hover{color:var(--accent)}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--accent);outline-offset:2px}
h1,h2,h3,h4{margin:0 0 16px;color:var(--text);font-weight:700;letter-spacing:.2px}
h1{font-size:clamp(30px,5vw,54px);line-height:1.15;font-weight:800}
h2{font-size:clamp(24px,3.2vw,36px);line-height:1.25;margin-top:0}
h3{font-size:20px;line-height:1.4;font-weight:600}
p{margin:0 0 20px;color:var(--text-2)}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
.container{width:100%;max-width:var(--maxw);margin:0 auto;padding:0 32px}
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-head{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:32px}
.section-head p{margin:0;max-width:620px}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;letter-spacing:.14em;text-transform:uppercase;color:var(--accent);margin-bottom:14px}
.eyebrow::before{content:"";width:22px;height:1px;background:var(--accent);display:inline-block}

/* ---------- header ---------- */
.site-header{position:sticky;top:0;z-index:70;background:transparent;border-bottom:1px solid transparent;transition:background var(--tr),border-color var(--tr),backdrop-filter var(--tr)}
.site-header.is-scrolled{background:rgba(7,11,20,.82);border-bottom-color:var(--line);backdrop-filter:blur(16px) saturate(140%);-webkit-backdrop-filter:blur(16px) saturate(140%)}
@supports not ((backdrop-filter:blur(2px)) or (-webkit-backdrop-filter:blur(2px))){.site-header.is-scrolled{background:rgba(7,11,20,.96)}}
.header-inner{display:flex;align-items:center;gap:22px;min-height:74px;padding-top:12px;padding-bottom:12px;flex-wrap:nowrap}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text)}
.brand:hover{color:var(--text)}
.brand-mark{width:30px;height:30px;color:var(--accent);flex:0 0 auto}
.brand-text{font-size:19px;letter-spacing:.3px;white-space:nowrap}
.brand-text strong{font-weight:800;color:var(--text)}
.nav-search{position:relative;flex:1 1 auto;max-width:560px;margin:0 auto}
.nav-search svg{position:absolute;left:16px;top:50%;transform:translateY(-50%);width:18px;height:18px;color:var(--text-3);pointer-events:none}
.nav-search input[type="search"]{
  width:100%;height:46px;padding:0 74px 0 44px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text);
  font-size:15px;margin:0;transition:border-color var(--tr),box-shadow var(--tr),background var(--tr);
}
.nav-search input[type="search"]::placeholder{color:var(--text-3)}
.nav-search input[type="search"]:focus{outline:none;border-color:var(--primary);background:rgba(47,107,255,.10);box-shadow:0 0 0 3px rgba(47,107,255,.22)}
.nav-search kbd{position:absolute;right:12px;top:50%;transform:translateY(-50%);font-size:12px;color:var(--text-3);border:1px solid var(--line);border-radius:8px;padding:2px 8px;background:rgba(255,255,255,.04);font-family:inherit}
.nav-links{display:flex;align-items:center;gap:6px;flex:0 0 auto}
.nav-links a{position:relative;display:inline-flex;align-items:center;height:40px;padding:0 14px;border-radius:var(--r-pill);font-size:15px;color:var(--text-2);transition:color var(--tr),background var(--tr)}
.nav-links a::after{content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;background:transparent;transition:background var(--tr),box-shadow var(--tr)}
.nav-links a:hover{color:var(--text);background:rgba(255,255,255,.06)}
.nav-links a.is-active{color:var(--accent)}
.nav-links a.is-active::after{background:var(--accent);box-shadow:0 0 12px rgba(34,224,168,.7)}
.nav-toggle{display:none;width:44px;height:44px;align-items:center;justify-content:center;background:rgba(255,255,255,.05);border:1px solid var(--line);border-radius:12px;color:var(--text);cursor:pointer;transition:background var(--tr),border-color var(--tr)}
.nav-toggle:hover{background:rgba(255,255,255,.09);border-color:var(--line-strong)}
.nav-toggle svg{width:20px;height:20px}
.mobile-panel{display:none;border-top:1px solid var(--line);background:rgba(7,11,20,.96);backdrop-filter:blur(16px) saturate(140%);-webkit-backdrop-filter:blur(16px) saturate(140%)}
.mobile-panel.is-open{display:block}
.mobile-panel .container{padding-top:14px;padding-bottom:18px}
.mobile-panel a{display:block;padding:12px 14px;border-radius:var(--r-s);color:var(--text-2);font-size:16px}
.mobile-panel a.is-active{color:var(--accent);background:rgba(34,224,168,.08);box-shadow:inset 0 0 0 1px rgba(34,224,168,.28)}
.mobile-panel a:hover{background:rgba(255,255,255,.06);color:var(--text)}

/* ---------- buttons ---------- */
.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;height:46px;padding:0 22px;border-radius:var(--r-pill);font-size:15px;font-weight:600;border:1px solid transparent;cursor:pointer;transition:transform var(--tr),box-shadow var(--tr),background var(--tr),border-color var(--tr),color var(--tr);white-space:nowrap}
.btn:active{transform:translateY(0);box-shadow:none}
.btn-primary{background:linear-gradient(135deg,#2F6BFF 0%,#1F4FD8 100%);color:#fff;box-shadow:0 0 0 1px rgba(47,107,255,.55),0 12px 32px -8px rgba(47,107,255,.65)}
.btn-primary:hover{color:#fff;transform:translateY(-2px);box-shadow:0 0 0 1px rgba(110,155,255,.7),0 18px 42px -8px rgba(47,107,255,.8)}
.btn-ghost{background:transparent;border-color:var(--line-strong);color:var(--text)}
.btn-ghost:hover{color:var(--text);border-color:var(--accent);transform:translateY(-2px);box-shadow:0 10px 26px -12px rgba(34,224,168,.6)}
.btn-icon{width:44px;height:44px;padding:0;border-radius:12px;background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text-2)}
.btn-icon:hover{background:rgba(255,255,255,.1);color:var(--text);transform:translateY(-2px)}
.btn-icon svg{width:18px;height:18px}
.btn.is-done{background:linear-gradient(135deg,#22E0A8 0%,#14b487 100%);color:#04170F;box-shadow:0 0 0 1px rgba(34,224,168,.5),0 12px 30px -10px rgba(34,224,168,.7)}
.btn-icon.is-done{color:var(--accent);border-color:rgba(34,224,168,.5);background:rgba(34,224,168,.12)}

/* ---------- badges / chips ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;height:26px;padding:0 12px;border-radius:var(--r-pill);font-size:12px;letter-spacing:.02em;border:1px solid var(--line-strong);color:var(--text-2);background:rgba(255,255,255,.04)}
.badge-accent{border-color:rgba(34,224,168,.45);background:rgba(34,224,168,.08);color:var(--accent)}
.badge-hot{border-color:rgba(255,122,47,.45);background:rgba(255,122,47,.10);color:var(--hot)}
.chip-row{display:flex;gap:10px;overflow-x:auto;padding:4px 2px 12px;scroll-snap-type:x proximity;-webkit-overflow-scrolling:touch}
.chip-row::-webkit-scrollbar{height:4px}
.chip-row::-webkit-scrollbar-thumb{background:rgba(255,255,255,.16);border-radius:4px}
.chip{flex:0 0 auto;scroll-snap-align:start;display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:var(--r-pill);border:1px solid var(--line);background:rgba(255,255,255,.04);color:var(--text-2);font-size:14px;transition:all var(--tr)}
.chip:hover{color:var(--text);border-color:var(--line-strong);transform:translateY(-2px)}
.chip.is-on{background:var(--accent);border-color:var(--accent);color:#04170F;font-weight:600}

/* ---------- hero ---------- */
.hero-narrow{position:relative;overflow:hidden;padding:64px 0 72px;border-bottom:1px solid var(--line);
  background:
    radial-gradient(760px 420px at 16% -10%, rgba(47,107,255,.30), transparent 68%),
    radial-gradient(640px 400px at 94% 14%, rgba(34,224,168,.10), transparent 70%),
    linear-gradient(180deg,#0A1122 0%,#070B14 100%);
}
.hero-narrow::before{content:"";position:absolute;inset:0;pointer-events:none;
  background-image:linear-gradient(rgba(255,255,255,.030) 1px,transparent 1px),linear-gradient(90deg,rgba(255,255,255,.030) 1px,transparent 1px);
  background-size:40px 40px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 88%);
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 88%);
}
.hero-narrow .container{position:relative;z-index:2}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--text-3);margin-bottom:22px}
.breadcrumb a{color:var(--text-3)}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{color:rgba(255,255,255,.22)}
.breadcrumb .cur{color:var(--text-2)}
.hero-narrow h1{max-width:900px;margin-bottom:18px}
.hero-sub{font-size:18px;line-height:1.7;color:var(--text-2);max-width:720px;margin-bottom:28px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-bottom:34px}
.glass-bar{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:1px;border:1px solid var(--line);border-radius:var(--r-m);overflow:hidden;
  background:rgba(255,255,255,.045);backdrop-filter:blur(16px) saturate(140%);-webkit-backdrop-filter:blur(16px) saturate(140%);box-shadow:var(--sh);max-width:760px}
@supports not ((backdrop-filter:blur(2px)) or (-webkit-backdrop-filter:blur(2px))){.glass-bar{background:rgba(12,19,34,.92)}}
.glass-bar .celll{padding:18px 22px;border-right:1px solid var(--line)}
.glass-bar .celll:last-child{border-right:0}
.glass-bar .num{display:block;font-size:26px;font-weight:800;color:var(--text);line-height:1.2;font-variant-numeric:tabular-nums}
.glass-bar .lbl{font-size:13px;color:var(--text-3)}

/* ---------- layout main ---------- */
.anchor-card{position:sticky;top:96px;border:1px solid var(--line);border-radius:var(--r-m);background:var(--panel);box-shadow:var(--sh);padding:18px 14px 16px;overflow:hidden}
.anchor-card::before{content:"";position:absolute;left:0;right:0;top:0;height:1px;background:linear-gradient(90deg,transparent,rgba(255,255,255,.28),transparent)}
.anchor-card h2{font-size:14px;letter-spacing:.14em;text-transform:uppercase;color:var(--text-3);margin:0 0 12px;padding:0 12px;font-weight:600}
.anchor-nav a{position:relative;display:flex;align-items:center;gap:10px;padding:11px 12px 11px 16px;border-radius:0 var(--r-s) var(--r-s) 0;color:var(--text-2);font-size:15px;line-height:1.5;transition:all var(--tr)}
.anchor-nav a::before{content:"";position:absolute;left:0;top:8px;bottom:8px;width:3px;border-radius:3px;background:transparent;transition:background var(--tr),box-shadow var(--tr)}
.anchor-nav a:hover{color:var(--text);background:rgba(255,255,255,.05)}
.anchor-nav a.is-active{color:var(--text);background:rgba(34,224,168,.07)}
.anchor-nav a.is-active::before{background:var(--accent);box-shadow:0 0 14px rgba(34,224,168,.8)}
.anchor-nav .idx{font-size:12px;color:var(--text-3);font-variant-numeric:tabular-nums}
.anchor-note{margin-top:14px;padding:14px 12px 4px;border-top:1px solid var(--line);font-size:13px;color:var(--text-3);line-height:1.7}
.anchor-note strong{color:var(--text-2);font-weight:600}

/* ---------- timeline ---------- */
.timeline{position:relative;padding-left:44px}
.timeline::before{content:"";position:absolute;left:13px;top:12px;bottom:12px;width:1px;background:linear-gradient(180deg,rgba(34,224,168,.55),rgba(255,255,255,.10))}
.tl-item{position:relative;padding-bottom:30px;scroll-margin-top:110px}
.tl-item::before{content:"";position:absolute;left:-36px;top:14px;width:11px;height:11px;border-radius:50%;background:var(--bg-2);border:2px solid var(--accent);box-shadow:0 0 14px rgba(34,224,168,.65)}
.tl-card{border:1px solid var(--line);border-radius:var(--r-m);background:var(--panel);box-shadow:var(--sh);padding:22px 24px;transition:transform var(--tr),border-color var(--tr),background var(--tr)}
.tl-card:hover{transform:translateY(-4px);border-color:rgba(47,107,255,.45);background:rgba(255,255,255,.06)}
.tl-card:hover .tl-title{color:var(--accent)}
.tl-top{display:flex;align-items:baseline;gap:14px;flex-wrap:wrap;margin-bottom:10px}
.tl-num{font-size:15px;font-weight:800;color:var(--accent);letter-spacing:.08em;font-variant-numeric:tabular-nums}
.tl-title{font-size:20px;font-weight:600;color:var(--text);margin:0;transition:color var(--tr)}
.tl-card p{margin:0 0 14px;font-size:15.5px;line-height:1.85}
.tl-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:13px;color:var(--text-3)}
.tl-media{margin:0 0 16px;border-radius:12px;overflow:hidden;border:1px solid var(--line);background:var(--bg-2)}
.tl-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform var(--tr)}
.tl-card:hover .tl-media img{transform:scale(1.04)}

/* ---------- faq ---------- */
.faq{max-width:920px;margin:0 auto}
ul.accordion{margin:0;padding:0;list-style:none;background:transparent;border:0}
ul.accordion li.accordion-item{border:1px solid var(--line);border-radius:var(--r-m);background:var(--panel);margin-bottom:14px;overflow:hidden;position:relative;transition:border-color var(--tr),background var(--tr)}
ul.accordion li.accordion-item:hover{border-color:var(--line-strong)}
ul.accordion li.accordion-item::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:transparent;transition:background var(--tr),box-shadow var(--tr)}
ul.accordion li.accordion-item.is-open{border-color:rgba(34,224,168,.4);background:rgba(34,224,168,.05)}
ul.accordion li.accordion-item.is-open::before{background:var(--accent);box-shadow:0 0 16px rgba(34,224,168,.75)}
.accordion-title{display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;font-size:17px;font-weight:600;color:var(--text);border:0;background:transparent;cursor:pointer;line-height:1.5}
.accordion-title:hover{color:var(--accent);background:rgba(255,255,255,.03)}
.accordion-title .plus{flex:0 0 auto;width:18px;height:18px;position:relative;transition:transform .2s ease}
.accordion-title .plus::before,.accordion-title .plus::after{content:"";position:absolute;background:var(--accent);border-radius:2px}
.accordion-title .plus::before{left:0;right:0;top:8px;height:2px}
.accordion-title .plus::after{top:0;bottom:0;left:8px;width:2px}
.accordion-item.is-open .plus{transform:rotate(45deg)}
.accordion-content{max-height:0;overflow:hidden;transition:max-height .28s cubic-bezier(.2,.7,.3,1)}
.accordion-content p{margin:0;padding:0 22px 20px;font-size:15px;line-height:1.85;color:var(--text-2)}

/* ---------- cta ---------- */
.cta-band{border:1px solid var(--line);border-radius:var(--r-l);padding:34px 36px;background:
  radial-gradient(520px 260px at 8% 0%, rgba(47,107,255,.20), transparent 70%),
  radial-gradient(420px 240px at 96% 100%, rgba(34,224,168,.12), transparent 70%),
  rgba(255,255,255,.045);
  backdrop-filter:blur(16px) saturate(140%);-webkit-backdrop-filter:blur(16px) saturate(140%);
  box-shadow:var(--sh);
}
@supports not ((backdrop-filter:blur(2px)) or (-webkit-backdrop-filter:blur(2px))){.cta-band{background-color:#0C1322}}
.cta-band .grid-x{align-items:center}
.cta-band h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:10px}
.cta-band p{margin:0;font-size:15.5px}
.cta-actions{display:flex;flex-wrap:wrap;align-items:center;gap:12px;justify-content:flex-end}
@media (max-width:1024px){.cta-actions{justify-content:flex-start;margin-top:22px}}

/* ---------- related ---------- */
.rel-card{display:flex;flex-direction:column;height:100%;border:1px solid var(--line);border-radius:var(--r-m);overflow:hidden;background:var(--panel);box-shadow:var(--sh);transition:transform var(--tr),border-color var(--tr)}
.rel-card:hover{transform:translateY(-4px);border-color:rgba(47,107,255,.45)}
.rel-media{overflow:hidden}
.rel-media img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform var(--tr)}
.rel-card:hover .rel-media img{transform:scale(1.04)}
.rel-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.rel-body h3{margin-bottom:10px;font-size:19px}
.rel-card:hover .rel-body h3{color:var(--accent)}
.rel-body p{font-size:15px;margin-bottom:16px;flex:1}
.rel-link{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--accent)}
.rel-link svg{width:16px;height:16px;transition:transform var(--tr)}
.rel-card:hover .rel-link svg{transform:translateX(4px)}

/* ---------- footer ---------- */
.site-footer{border-top:1px solid var(--line);background:var(--bg-3);padding:64px 0 26px;margin-top:88px}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.35fr;gap:36px}
.footer-col h3{font-size:15px;color:var(--text);margin:0 0 16px;letter-spacing:.04em}
.footer-desc{font-size:14px;line-height:1.8;color:var(--text-3);margin:14px 0 0;max-width:320px}
.footer-links li{margin-bottom:10px}
.footer-links a{color:var(--text-2);font-size:14.5px;display:inline-block;transition:color var(--tr),transform var(--tr)}
.footer-links a:hover{color:var(--accent);transform:translateX(2px)}
.footer-form{display:flex;gap:10px;margin-top:16px}
.footer-form input{flex:1 1 auto;min-width:0;height:44px;padding:0 14px;border-radius:var(--r-s);background:rgba(255,255,255,.05);border:1px solid var(--line);color:var(--text);font-size:14.5px;margin:0;transition:border-color var(--tr),box-shadow var(--tr)}
.footer-form input::placeholder{color:var(--text-3)}
.footer-form input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 3px rgba(47,107,255,.22)}
.footer-form .btn{height:44px;padding:0 18px;font-size:14.5px}
.form-msg{font-size:13px;margin:10px 0 0;color:var(--accent);min-height:18px}
.form-msg.is-error{color:var(--hot)}
.form-hint{font-size:13px;color:var(--text-3);margin:6px 0 0}
.footer-bottom{display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;align-items:center;border-top:1px solid var(--line);margin-top:44px;padding-top:20px;font-size:13px;color:var(--text-3)}
.footer-bottom a{color:var(--text-3)}
.footer-bottom a:hover{color:var(--accent)}

/* ---------- responsive ---------- */
@media (max-width:1200px){
  .nav-search{max-width:420px}
  .nav-links a{padding:0 11px;font-size:14.5px}
}
@media (max-width:1024px){
  .container{padding:0 24px}
  .section{padding:64px 0}
  .section-tight{padding:52px 0}
  .nav-links{display:none}
  .nav-toggle{display:inline-flex;margin-left:auto}
  .header-inner{flex-wrap:wrap;justify-content:space-between;gap:14px}
  .nav-search{order:3;flex-basis:100%;max-width:none;margin:4px 0 0}
  .anchor-card{position:relative;top:0;margin-bottom:26px}
  .anchor-nav{display:flex;flex-wrap:wrap;gap:6px}
  .anchor-nav a{border-radius:var(--r-pill);padding:8px 14px;background:rgba(255,255,255,.04);border:1px solid var(--line)}
  .anchor-nav a::before{display:none}
  .anchor-nav a.is-active{border-color:rgba(34,224,168,.45)}
  .anchor-note{display:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:640px){
  .container{padding:0 16px}
  body{font-size:15.5px}
  .section{padding:56px 0}
  .section-tight{padding:44px 0}
  .hero-narrow{padding:40px 0 52px}
  .glass-bar{grid-template-columns:1fr;max-width:none}
  .glass-bar .celll{border-right:0;border-bottom:1px solid var(--line)}
  .glass-bar .celll:last-child{border-bottom:0}
  .btn{height:46px;padding:0 18px}
  .hero-actions .btn{flex:1 1 auto}
  .timeline{padding-left:30px}
  .timeline::before{left:9px}
  .tl-item::before{left:-26px;width:9px;height:9px}
  .tl-card{padding:18px 16px}
  .accordion-title{padding:16px 16px;font-size:16px}
  .accordion-content p{padding:0 16px 18px}
  .cta-band{padding:26px 20px;border-radius:var(--r-m)}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-form{flex-wrap:wrap}
  .footer-form .btn{width:100%}
  .footer-bottom{flex-direction:column;align-items:flex-start}
}
@media print{
  body{background:#fff;color:#111}
  .site-header,.cta-band,.footer-form,.nav-search{display:none}
  a{color:#111}
}