/* roulang page: index */
:root{
  --ink-night:#0B0C22;
  --ink-deep:#12142F;
  --ink-soft:#1B1E42;
  --line-dim:#2A2E58;
  --aurora:#2FD3C1;
  --nebula:#7A5CFF;
  --stardust:#FFB86B;
  --mist:#A7ABCF;
  --paper:#F6F5F2;
  --ink-text:#191B33;
  --fg:#E9EAF6;
  --sh-1:0 6px 18px rgba(6,7,26,.35);
  --sh-2:0 16px 40px rgba(6,7,26,.5);
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --r-input:10px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--ink-night);
  color:var(--fg);
  font-size:18px;
  line-height:1.9;
  letter-spacing:.01em;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:var(--aurora);text-decoration:none;transition:color 160ms var(--ease),border-color 160ms var(--ease)}
a:hover{color:#5CE7D8}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit}
input,textarea{font:inherit;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.3;color:#F3F4FF}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--aurora);outline-offset:2px;border-radius:6px}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.mono{font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,"Courier New",monospace;font-variant-numeric:tabular-nums}
.section{padding:96px 0}
.section--tight{padding:72px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px}
.section-head h2{font-size:30px;line-height:1.25;position:relative;padding-left:16px}
.section-head h2::before{content:"";position:absolute;left:0;top:.18em;width:4px;height:.82em;background:var(--aurora);border-radius:2px}
.section-head .sub{color:var(--mist);font-size:14px;margin-top:10px;padding-left:16px}
.section-head .more{font-size:14px;color:var(--mist);white-space:nowrap;border-bottom:1px solid transparent}
.section-head .more:hover{color:var(--aurora);border-color:var(--aurora)}

/* 公告条 */
.notice{background:var(--ink-deep);border-bottom:1px solid var(--line-dim);font-size:13px;color:var(--mist)}
.notice .container{height:40px;display:flex;align-items:center;gap:14px}
.notice .dot{width:6px;height:6px;border-radius:50%;background:var(--aurora);box-shadow:0 0 0 4px rgba(47,211,193,.14);flex:none}
.notice .txt{flex:1;overflow:hidden;text-overflow:ellipsis;white-space:nowrap}
.notice .txt b{color:#DDE0F5;font-weight:500}
.notice .close{color:var(--mist);font-size:12px;padding:4px 8px;border-radius:999px;border:1px solid transparent}
.notice .close:hover{border-color:var(--line-dim);color:var(--fg)}

/* 导航 */
.site-header{position:sticky;top:0;z-index:60;background:rgba(11,12,34,.72);transition:background 220ms var(--ease),border-color 220ms var(--ease)}
.site-header.is-stuck{background:var(--ink-deep);border-bottom:1px solid var(--line-dim)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px}
.brand{display:flex;align-items:center;gap:10px;color:#F3F4FF;flex:none}
.brand:hover{color:#fff}
.brand .mark{width:32px;height:32px;flex:none}
.brand .name{font-size:17px;font-weight:800;letter-spacing:.02em}
.brand .sub{display:block;font-size:11px;font-weight:400;color:var(--mist);letter-spacing:.16em;margin-top:-2px}
.nav-links{display:flex;align-items:center;gap:6px}
.nav-links a{font-size:15px;color:var(--mist);padding:8px 14px;border-radius:999px;position:relative;transition:background 160ms var(--ease),color 160ms var(--ease)}
.nav-links a:hover{color:#F3F4FF;background:rgba(255,255,255,.08)}
.nav-links a.active{color:var(--aurora)}
.nav-links a.active::after{content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:0;width:60%;height:2px;background:var(--aurora);border-radius:2px}
.nav-cta{display:inline-flex;align-items:center;gap:8px;background:var(--aurora);color:#0E1030;font-size:14px;font-weight:700;padding:10px 18px;border-radius:var(--r-btn);transition:transform 160ms var(--ease),box-shadow 160ms var(--ease),background 160ms var(--ease)}
.nav-cta:hover{background:#57E2D2;color:#0E1030;transform:translateY(-1px);box-shadow:0 8px 22px rgba(47,211,193,.28)}
.nav-toggle{display:none;width:44px;height:44px;border-radius:10px;border:1px solid var(--line-dim);align-items:center;justify-content:center}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--fg);position:relative;border-radius:2px}
.nav-toggle span::before,.nav-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--fg);border-radius:2px}
.nav-toggle span::before{top:-6px}
.nav-toggle span::after{top:6px}
.drawer{position:fixed;inset:0;background:var(--ink-night);z-index:80;padding:28px 22px;display:none;flex-direction:column;gap:8px;overflow:auto}
.drawer.is-open{display:flex}
.drawer .drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:20px}
.drawer a.drawer-link{font-size:20px;color:#E9EAF6;padding:14px 4px;border-bottom:1px solid var(--line-dim)}
.drawer a.drawer-link.active{color:var(--aurora)}
.drawer .drawer-cta{margin-top:24px;text-align:center;justify-content:center}

/* Hero */
.hero{position:relative;overflow:hidden;padding:72px 0 88px;border-bottom:1px solid var(--line-dim);background-image:linear-gradient(180deg,rgba(11,12,34,.86),rgba(11,12,34,.96)),radial-gradient(rgba(255,255,255,.05) 1px,transparent 1px);background-size:auto,22px 22px}
.hero::after{content:"";position:absolute;top:-140px;right:-120px;width:520px;height:520px;background:radial-gradient(circle at 40% 40%,rgba(47,211,193,.18),rgba(122,92,255,.16) 45%,transparent 70%);pointer-events:none}
.hero-grid{display:grid;grid-template-columns:1.34fr 1fr;gap:56px;align-items:center;position:relative;z-index:2}
.hero .eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--mist);border:1px solid var(--line-dim);background:var(--ink-soft);padding:6px 14px;border-radius:999px;margin-bottom:22px}
.hero .eyebrow i{width:6px;height:6px;border-radius:50%;background:var(--nebula);display:inline-block}
.hero h1{font-size:44px;line-height:1.18;font-weight:800;margin-bottom:20px}
.hero h1 em{font-style:normal;color:var(--aurora)}
.hero .lead{font-size:18px;color:var(--mist);max-width:560px;margin-bottom:18px}
.hero .tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:30px}
.tag{display:inline-flex;align-items:center;font-size:13px;padding:5px 12px;border-radius:999px;background:rgba(122,92,255,.15);color:#B9A9FF;border:1px solid rgba(122,92,255,.28)}
.tag--warm{background:var(--stardust);color:#2A1B06;border-color:transparent;font-weight:700}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.btn{display:inline-flex;align-items:center;gap:8px;border-radius:var(--r-btn);font-size:15px;font-weight:700;padding:13px 24px;transition:transform 160ms var(--ease),box-shadow 160ms var(--ease),background 160ms var(--ease),border-color 160ms var(--ease)}
.btn-primary{background:var(--aurora);color:#0E1030}
.btn-primary:hover{background:#57E2D2;color:#0E1030;transform:translateY(-1px);box-shadow:0 10px 26px rgba(47,211,193,.28)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{border:1px solid var(--line-dim);color:var(--fg)}
.btn-ghost:hover{border-color:var(--aurora);color:var(--aurora);transform:translateY(-1px)}
.btn-text{padding:13px 4px;color:var(--mist);border-bottom:2px solid var(--line-dim);border-radius:0}
.btn-text:hover{color:var(--aurora);border-color:var(--aurora)}
.hero-collage{position:relative;min-height:380px}
.collage-main{width:88%;border-radius:var(--r-card);transform:rotate(-1.5deg);box-shadow:var(--sh-2);border:1px solid var(--line-dim)}
.collage-s1,.collage-s2{position:absolute;width:44%;border-radius:var(--r-img);border:1px solid var(--line-dim);box-shadow:var(--sh-2)}
.collage-s1{right:0;top:-18px;transform:rotate(1.5deg)}
.collage-s2{right:6%;bottom:-26px;transform:rotate(-1deg)}
.hero-collage .ring{position:absolute;left:-24px;bottom:12px;width:76px;height:76px;border:1px dashed var(--line-dim);border-radius:50%;opacity:.7}
.hero-ticker{margin-top:56px;padding-top:20px;border-top:1px solid var(--line-dim);display:flex;flex-wrap:wrap;gap:12px 40px;font-size:13px;color:var(--mist);position:relative;z-index:2}
.hero-ticker b{color:var(--aurora);font-weight:700}

/* 数据条 */
.stats{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;border:1px solid var(--line-dim);background:var(--ink-deep);border-radius:var(--r-card);padding:28px 32px}
.stat .num{font-size:26px;font-weight:800;color:#F3F4FF}
.stat .num span{font-size:14px;color:var(--aurora);margin-left:4px}
.stat .lbl{font-size:13px;color:var(--mist);margin-top:6px}

/* 合集目录 */
.coll-grid{display:grid;grid-template-columns:repeat(12,1fr);gap:24px}
.coll-card{grid-column:span 6;background:var(--ink-soft);border:1px solid var(--line-dim);border-radius:var(--r-card);padding:28px;box-shadow:var(--sh-1);display:flex;flex-direction:column;gap:14px;transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms var(--ease)}
.coll-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#37407A}
.coll-card.small{grid-column:span 3;padding:24px}
.coll-card .idx{font-size:12px;letter-spacing:.18em;color:var(--aurora)}
.coll-card h3{font-size:22px}
.coll-card.small h3{font-size:18px}
.coll-card .desc{font-size:14px;color:var(--mist);line-height:1.8}
.coll-card .sub-list{display:flex;flex-direction:column;gap:8px;margin-top:4px}
.coll-card .sub-list li{font-size:14px;color:#C3C7E4;padding-left:16px;position:relative}
.coll-card .sub-list li::before{content:"";position:absolute;left:0;top:.62em;width:6px;height:6px;border-radius:2px;background:var(--aurora);opacity:.8}
.coll-card .go{margin-top:auto;font-size:14px;font-weight:700;color:var(--aurora);display:inline-flex;align-items:center;gap:6px}
.coll-card .go::after{content:"→";transition:transform 160ms var(--ease)}
.coll-card .go:hover::after{transform:translateX(4px)}

/* 精选 */
.feature{display:grid;grid-template-columns:1.1fr 1fr;gap:0;border:1px solid var(--line-dim);border-radius:var(--r-card);overflow:hidden;background:var(--ink-deep)}
.feature-media{position:relative}
.feature-media img{width:100%;height:100%;object-fit:cover;border-radius:0}
.feature-media .badge{position:absolute;left:16px;top:16px}
.feature-body{padding:36px 34px;border-left:1px solid var(--line-dim);display:flex;flex-direction:column;gap:14px}
.feature-body h3{font-size:24px}
.feature-body p{font-size:15px;color:var(--mist);line-height:1.85}
.feature-meta{display:flex;align-items:center;gap:16px;font-size:13px;color:var(--mist)}
.feature-meta .time{color:var(--stardust)}
.badge{display:inline-flex;align-items:center;font-size:12px;font-weight:500;padding:4px 11px;border-radius:999px;background:rgba(122,92,255,.15);color:#B9A9FF;border:1px solid rgba(122,92,255,.3)}
.numlist{margin-top:22px;border-top:1px solid var(--line-dim)}
.numlist li{border-bottom:1px solid var(--line-dim);transition:transform 160ms var(--ease),background 160ms var(--ease)}
.numlist li:hover{transform:translateX(4px);background:rgba(255,255,255,.03)}
.numlist a{display:grid;grid-template-columns:38px 1fr auto;gap:14px;align-items:center;padding:16px 12px;color:#E9EAF6}
.numlist a:hover{color:var(--aurora)}
.numlist .no{font-size:13px;color:var(--aurora)}
.numlist .tt{font-size:16px;font-weight:500}
.numlist .tm{font-size:13px;color:var(--stardust)}

/* CMS 卡片 */
.cards{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card{background:var(--ink-soft);border:1px solid var(--line-dim);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);display:flex;flex-direction:column;transition:transform 220ms var(--ease),box-shadow 220ms var(--ease),border-color 220ms var(--ease)}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#37407A}
.card .thumb{aspect-ratio:16/9;overflow:hidden;position:relative;background:var(--ink-deep)}
.card .thumb img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform 320ms var(--ease)}
.card:hover .thumb img{transform:scale(1.03)}
.card .body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.card h3{font-size:17px;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card h3 a{color:#F3F4FF}
.card h3 a:hover{color:var(--aurora)}
.card .excerpt{font-size:14px;color:var(--mist);line-height:1.8;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card .meta{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:10px;font-size:13px;color:var(--mist);padding-top:14px;border-top:1px solid var(--line-dim)}
.card .meta .time{color:var(--stardust)}
.empty-state{grid-column:1 / -1;border:1px dashed var(--line-dim);border-radius:var(--r-card);padding:48px 24px;text-align:center;background:var(--ink-deep)}
.empty-state .ico{width:44px;height:44px;margin:0 auto 14px;border-radius:50%;border:1px solid var(--line-dim);display:flex;align-items:center;justify-content:center;color:var(--aurora)}
.empty-state p{font-size:15px;color:var(--mist)}

/* 横向推荐 */
.rail{display:flex;gap:20px;overflow-x:auto;padding-bottom:8px;scrollbar-width:none}
.rail::-webkit-scrollbar{display:none}
.rail .rail-card{flex:0 0 260px;background:var(--ink-soft);border:1px solid var(--line-dim);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform 200ms var(--ease),box-shadow 200ms var(--ease)}
.rail .rail-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.rail .rail-card img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:0}
.rail .rail-card .rc-body{padding:16px 18px 20px}
.rail .rail-card h4{font-size:16px;line-height:1.5;margin-bottom:8px}
.rail .rail-card p{font-size:13px;color:var(--mist);line-height:1.75}

/* FAQ */
.faq{display:flex;flex-direction:column;gap:12px;max-width:920px}
.faq-item{background:var(--ink-soft);border:1px solid var(--line-dim);border-radius:14px;overflow:hidden}
.faq-q{width:100%;text-align:left;display:flex;align-items:center;justify-content:space-between;gap:16px;padding:18px 22px;font-size:17px;font-weight:500;color:#F3F4FF}
.faq-q .arw{width:10px;height:10px;border-right:2px solid var(--mist);border-bottom:2px solid var(--mist);transform:rotate(45deg);transition:transform 160ms var(--ease);flex:none;margin-top:-4px}
.faq-item.open .faq-q .arw{transform:rotate(-135deg);margin-top:4px;border-color:var(--aurora)}
.faq-a{display:none;padding:0 22px 20px 40px;font-size:15px;line-height:1.85;color:var(--mist);border-left:2px solid var(--aurora);margin-left:22px}
.faq-item.open .faq-a{display:block}

/* CTA */
.cta-band{background:linear-gradient(90deg,rgba(47,211,193,.08),rgba(47,211,193,0) 62%),var(--ink-deep);border-top:1px solid var(--line-dim);border-bottom:1px solid var(--line-dim);padding:56px 0}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap}
.cta-inner h2{font-size:26px;margin-bottom:10px}
.cta-inner p{font-size:15px;color:var(--mist);max-width:560px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}
.toast{position:fixed;left:50%;bottom:32px;transform:translate(-50%,20px);background:var(--ink-soft);border:1px solid var(--aurora);color:#F3F4FF;font-size:14px;padding:12px 22px;border-radius:999px;opacity:0;pointer-events:none;transition:opacity 200ms var(--ease),transform 200ms var(--ease);z-index:120}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* 页脚 */
.site-footer{background:var(--ink-night);border-top:1px solid var(--line-dim);padding-top:32px}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:32px;padding:32px 0 40px}
.foot-col h4{font-size:14px;color:#F3F4FF;margin-bottom:16px;letter-spacing:.04em}
.foot-col p,.foot-col a{font-size:14px;color:var(--mist);line-height:1.9}
.foot-col a{display:block;margin-bottom:8px;border-bottom:1px solid transparent;width:fit-content}
.foot-col a:hover{color:var(--aurora)}
.foot-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px;color:#F3F4FF;font-weight:800;font-size:17px}
.foot-bottom{border-top:1px solid var(--line-dim);padding:18px 0 26px;display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:#7C81AA}
.foot-bottom a{color:#9BA0C8}
.foot-bottom a:hover{color:var(--aurora)}

@media (max-width:1279px){
  .cards{grid-template-columns:repeat(2,1fr)}
  .hero h1{font-size:38px;line-height:1.22}
  .hero-grid{gap:40px}
}
@media (max-width:1023px){
  .nav-links,.nav-cta{display:none}
  .nav-toggle{display:flex}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .hero-collage{min-height:300px}
  .coll-card,.coll-card.small{grid-column:span 6}
  .stats{grid-template-columns:repeat(2,1fr);padding:24px}
  .feature{grid-template-columns:1fr}
  .feature-body{border-left:0;border-top:1px solid var(--line-dim)}
  .foot-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:767px){
  body{font-size:17px;line-height:1.95}
  .container{padding:0 18px}
  .section{padding:56px 0}
  .section--tight{padding:48px 0}
  .hero{padding:48px 0 56px}
  .hero h1{font-size:28px;line-height:1.32}
  .hero .lead{font-size:16px}
  .hero-collage{min-height:0}
  .collage-main{width:100%}
  .collage-s1,.collage-s2{position:static;width:48%;transform:none;margin-top:14px;display:inline-block}
  .collage-s1{margin-right:3%}
  .hero-collage .ring{display:none}
  .section-head{flex-direction:column;align-items:flex-start;gap:12px}
  .section-head h2{font-size:24px}
  .cards{grid-template-columns:1fr}
  .coll-card,.coll-card.small{grid-column:span 12}
  .stats{grid-template-columns:1fr;gap:16px}
  .numlist a{grid-template-columns:32px 1fr;row-gap:4px}
  .numlist .tm{grid-column:2}
  .foot-grid{grid-template-columns:1fr;gap:24px;padding:24px 0 32px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .foot-bottom{justify-content:center;text-align:center}
}
@media (max-width:479px){
  .hero h1{font-size:25px}
  .btn{width:100%;justify-content:center}
  .hero-actions{flex-direction:column;align-items:stretch}
}

/* roulang page: article */
:root{
  --ink-night:#0B0C22;
  --ink-deep:#12142F;
  --ink-soft:#1B1E42;
  --line-dim:#2A2E58;
  --aurora:#2FD3C1;
  --aurora-deep:#1FA898;
  --nebula:#7A5CFF;
  --stardust:#FFB86B;
  --mist:#A7ABCF;
  --mist-strong:#D9DCF2;
  --paper:#F6F5F2;
  --ink-text:#191B33;
  --radius-card:16px;
  --radius-img:12px;
  --radius-btn:10px;
  --sh-1:0 6px 18px rgba(6,7,26,.35);
  --sh-2:0 16px 40px rgba(6,7,26,.5);
  --ease:cubic-bezier(.2,.7,.3,1);
  --t-fast:160ms;
  --t:220ms;
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:18px;
  line-height:1.9;
  color:var(--mist-strong);
  background-color:var(--ink-night);
  background-image:
    radial-gradient(rgba(255,255,255,.06) 1px,transparent 1px),
    radial-gradient(rgba(122,92,255,.05) 1px,transparent 1px);
  background-size:220px 220px,340px 340px;
  background-position:0 0,60px 90px;
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--mist-strong);text-decoration:none;transition:color var(--t-fast) var(--ease),background-color var(--t-fast) var(--ease),border-color var(--t-fast) var(--ease)}
a:hover{color:var(--aurora)}
button{font-family:inherit;font-size:inherit;cursor:pointer;border:0;background:none;color:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.3}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--aurora);outline-offset:2px;border-radius:4px}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.mono{font-family:var(--mono);font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(11,12,34,.82);
  border-bottom:1px solid transparent;
  transition:background var(--t) var(--ease),border-color var(--t) var(--ease);
}
.site-header.is-stuck{background:var(--ink-deep);border-bottom-color:var(--line-dim)}
.nav{display:flex;align-items:center;gap:18px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand .mark{width:34px;height:34px;flex:0 0 auto}
.brand .name{display:flex;flex-direction:column;font-size:17px;font-weight:800;color:#fff;letter-spacing:.01em;line-height:1.15}
.brand .sub{font-family:var(--mono);font-size:9px;font-weight:400;letter-spacing:.16em;color:var(--mist);margin-top:3px}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-links a{position:relative;padding:8px 14px;border-radius:999px;font-size:15px;color:var(--mist);white-space:nowrap}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav-links a.active{color:var(--aurora)}
.nav-links a.active::after{content:"";position:absolute;left:20%;right:20%;bottom:2px;height:2px;border-radius:2px;background:var(--aurora)}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  padding:10px 18px;border-radius:var(--radius-btn);
  background:var(--aurora);color:#0E1030;font-size:15px;font-weight:700;
  transition:transform var(--t-fast) var(--ease),box-shadow var(--t-fast) var(--ease),background var(--t-fast) var(--ease);
}
.nav-cta:hover{background:#48E3D2;color:#0E1030;transform:translateY(-1px);box-shadow:0 10px 24px rgba(47,211,193,.28)}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;border:1px solid var(--line-dim);position:relative}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;left:11px;width:20px;height:2px;background:var(--mist-strong);border-radius:2px;transition:transform var(--t) var(--ease),opacity var(--t) var(--ease);
}
.nav-toggle span{top:20px}
.nav-toggle span::before{content:"";left:0;top:-6px}
.nav-toggle span::after{content:"";left:0;top:6px}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;gap:8px;justify-content:center;
  padding:12px 22px;border-radius:var(--radius-btn);font-size:15px;font-weight:700;
  transition:transform var(--t-fast) var(--ease),box-shadow var(--t-fast) var(--ease),background var(--t-fast) var(--ease),border-color var(--t-fast) var(--ease),color var(--t-fast) var(--ease);
}
.btn-primary{background:var(--aurora);color:#0E1030}
.btn-primary:hover{background:#48E3D2;color:#0E1030;transform:translateY(-1px);box-shadow:0 12px 26px rgba(47,211,193,.3)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{border:1px solid var(--line-dim);color:var(--mist-strong);background:transparent}
.btn-ghost:hover{border-color:var(--aurora);color:var(--aurora);transform:translateY(-1px)}
.btn-sm{padding:8px 14px;font-size:14px;border-radius:9px}

/* ---------- breadcrumb ---------- */
.crumb-wrap{border-bottom:1px solid var(--line-dim);background:linear-gradient(180deg,rgba(18,20,47,.9),rgba(11,12,34,.4))}
.crumb{display:flex;align-items:center;gap:10px;font-size:14px;color:var(--mist);padding:14px 0;flex-wrap:wrap}
.crumb a{color:var(--mist)}
.crumb a:hover{color:var(--aurora)}
.crumb .sep{opacity:.5}
.crumb .current{color:var(--mist-strong)}

/* ---------- post head ---------- */
.post-head{padding:52px 0 32px;max-width:920px}
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 14px;border-radius:999px;font-size:13px;font-weight:600;line-height:1.6}
.badge-cat{background:rgba(122,92,255,.15);color:#B4A3FF}
.badge-pick{background:var(--stardust);color:#2A1A05}
.post-head h1{
  margin:20px 0 22px;
  font-size:34px;line-height:46px;font-weight:800;color:#fff;
}
.meta-row{
  display:flex;align-items:center;gap:14px;flex-wrap:wrap;
  padding-bottom:18px;border-bottom:1px solid var(--line-dim);
  font-size:13px;color:var(--mist);
}
.meta-row .time{font-family:var(--mono);color:var(--stardust)}
.meta-row .dot{opacity:.45}
.meta-row .spacer{flex:1 1 auto}
.icon-btn{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 12px;border:1px solid var(--line-dim);border-radius:999px;
  font-size:13px;color:var(--mist);background:transparent;
  transition:border-color var(--t-fast) var(--ease),color var(--t-fast) var(--ease),transform var(--t-fast) var(--ease);
}
.icon-btn:hover{border-color:var(--aurora);color:var(--aurora);transform:translateY(-1px)}
.icon-btn svg{width:15px;height:15px}

/* ---------- layout ---------- */
.article-layout{
  display:grid;grid-template-columns:minmax(0,1fr) 300px;gap:40px;
  align-items:start;padding:40px 0 24px;
}
.paper{
  background:var(--paper);color:var(--ink-text);
  border-radius:18px;padding:56px 64px;box-shadow:var(--sh-2);
}
.prose{max-width:720px;margin:0 auto;font-size:18px;line-height:32px;color:var(--ink-text)}
.prose > *:first-child{margin-top:0}
.prose h2{
  position:relative;font-size:28px;line-height:38px;font-weight:800;color:#12142F;
  margin:48px 0 16px;padding-left:15px;
}
.prose h2::before{content:"";position:absolute;left:0;top:8px;width:3px;height:22px;border-radius:2px;background:var(--aurora)}
.prose h3{font-size:21px;line-height:30px;font-weight:700;color:#12142F;margin:34px 0 12px}
.prose h4{font-size:18px;line-height:28px;font-weight:700;color:#12142F;margin:26px 0 10px}
.prose p{margin:0 0 1.15em}
.prose strong{font-weight:700;color:#0F1128}
.prose a{color:var(--nebula);text-decoration:underline;text-underline-offset:3px;text-decoration-thickness:1px}
.prose a:hover{color:var(--aurora-deep)}
.prose ul,.prose ol{margin:0 0 1.15em}
.prose li{position:relative;padding-left:22px;margin-bottom:8px}
.prose li::before{content:"";position:absolute;left:0;top:13px;width:7px;height:7px;border-radius:2px;background:var(--aurora)}
.prose ol{counter-reset:olc}
.prose ol li{counter-increment:olc;padding-left:32px}
.prose ol li::before{
  content:counter(olc,decimal-leading-zero);background:none;width:auto;height:auto;top:1px;
  font-family:var(--mono);font-size:14px;font-weight:600;color:var(--aurora-deep);
}
.prose blockquote{
  margin:26px 0;padding:18px 24px;
  background:rgba(47,211,193,.09);border-left:4px solid var(--aurora);
  border-radius:0 12px 12px 0;color:#2C3153;
}
.prose blockquote p:last-child{margin-bottom:0}
.prose img{border-radius:var(--radius-img);margin:26px auto}
.prose figure{margin:26px 0}
.prose figcaption{font-size:13px;line-height:22px;color:#6B6F8C;text-align:center;margin-top:8px}
.prose hr{border:0;border-top:1px solid #DDDBD4;margin:34px 0}
.prose table{width:100%;border-collapse:collapse;margin:26px 0;font-size:15px;line-height:26px}
.prose th,.prose td{padding:10px 14px;text-align:left;border-bottom:1px solid #DDDBD4}
.prose thead th{background:#ECEAE4;font-weight:700;color:#12142F}
.prose tbody tr:nth-child(even){background:#EFEDE7}
.prose code{font-family:var(--mono);font-size:15px;background:#ECEAE4;padding:2px 6px;border-radius:6px}
.prose pre{background:var(--ink-deep);color:#E6E8FA;padding:18px 20px;border-radius:12px;overflow:auto;margin:24px 0;font-size:14px;line-height:24px}
.prose pre code{background:none;color:inherit;padding:0;font-size:14px}
.paper-empty{text-align:center;padding:70px 40px}
.paper-empty h2{font-size:24px;color:#12142F;margin-bottom:12px}
.paper-empty p{font-size:16px;line-height:28px;color:#4A4F70;margin-bottom:26px}
.paper-empty .btn-primary{background:#12142F;color:#F6F5F2}
.paper-empty .btn-primary:hover{background:#2A2E58;color:#fff;box-shadow:none}

/* ---------- sidebar ---------- */
.side{position:sticky;top:96px;display:flex;flex-direction:column;gap:18px}
.side-card{
  background:var(--ink-soft);border:1px solid var(--line-dim);border-radius:var(--radius-card);
  padding:22px;box-shadow:var(--sh-1);
}
.side-card h3{font-size:15px;color:#fff;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3::before{content:"";width:3px;height:14px;border-radius:2px;background:var(--aurora)}
.toc-list{display:flex;flex-direction:column;gap:2px}
.toc-list a{
  display:block;padding:8px 10px;border-radius:8px;font-size:14px;line-height:22px;color:var(--mist);
  border-left:1px solid transparent;
}
.toc-list a:hover{background:rgba(255,255,255,.06);color:var(--aurora);border-left-color:var(--aurora);padding-left:14px}
.side-cta p{font-size:14px;line-height:24px;color:var(--mist);margin-bottom:16px}
.side-cta .btn{width:100%}
.side-note{font-size:13px;line-height:22px;color:var(--mist);border-top:1px solid var(--line-dim);padding-top:14px;margin-top:16px}

/* ---------- post foot ---------- */
.post-foot{padding:34px 0 0}
.tag-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:20px}
.tag-row .label{font-size:13px;color:var(--mist)}
.tag{
  display:inline-flex;align-items:center;padding:6px 14px;border-radius:999px;
  background:rgba(122,92,255,.15);color:#B4A3FF;font-size:13px;line-height:1.6;
  transition:background var(--t-fast) var(--ease),color var(--t-fast) var(--ease);
}
.tag:hover{background:rgba(122,92,255,.3);color:#D6CEFF}
.share-bar{
  display:flex;align-items:center;gap:12px;flex-wrap:wrap;
  padding:18px 22px;border:1px solid var(--line-dim);border-radius:var(--radius-card);
  background:var(--ink-soft);
}
.share-bar .text{font-size:14px;color:var(--mist);margin-right:auto}

/* ---------- related ---------- */
.section{padding:72px 0 0}
.section-head{display:flex;align-items:flex-end;gap:18px;margin-bottom:26px}
.section-head h2{font-size:26px;line-height:36px;color:#fff}
.section-head h2 span{color:var(--aurora)}
.section-head .more{margin-left:auto;font-size:14px;color:var(--mist);border-bottom:1px solid transparent;padding-bottom:2px}
.section-head .more:hover{color:var(--aurora);border-bottom-color:var(--aurora)}
.cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.card{
  display:flex;flex-direction:column;background:var(--ink-soft);
  border:1px solid var(--line-dim);border-radius:var(--radius-card);
  overflow:hidden;box-shadow:var(--sh-1);
  transition:transform var(--t) var(--ease),box-shadow var(--t) var(--ease),border-color var(--t) var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#3A3F72}
.card-cover{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--ink-deep)}
.card-cover img{width:100%;height:100%;object-fit:cover;transition:transform 420ms var(--ease),filter var(--t) var(--ease);filter:saturate(.95)}
.card:hover .card-cover img{transform:scale(1.03);filter:saturate(1.05)}
.card-cover::after{content:"";position:absolute;inset:0;background:linear-gradient(180deg,rgba(11,12,34,0) 45%,rgba(11,12,34,.72))}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:12px;flex:1 1 auto}
.card-body h3{font-size:17px;line-height:26px;color:#fff;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-body p{font-size:14px;line-height:24px;color:var(--mist);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{display:flex;align-items:center;gap:10px;font-size:13px;color:var(--mist);margin-top:auto;padding-top:6px;border-top:1px solid var(--line-dim)}
.card-meta .time{font-family:var(--mono);color:var(--stardust)}

/* ---------- cta band ---------- */
.cta-band{margin:88px 0 0;border-top:1px solid var(--line-dim);border-bottom:1px solid var(--line-dim);background:linear-gradient(90deg,rgba(47,211,193,.08),rgba(122,92,255,.05) 55%,rgba(11,12,34,0) 100%)}
.cta-inner{display:flex;align-items:center;gap:32px;padding:44px 0}
.cta-inner h2{font-size:24px;line-height:34px;color:#fff;margin-bottom:8px}
.cta-inner p{font-size:15px;line-height:26px;color:var(--mist);max-width:620px}
.cta-actions{margin-left:auto;display:flex;gap:12px;flex:0 0 auto}

/* ---------- footer ---------- */
.site-footer{margin-top:0;padding:56px 0 26px;background:var(--ink-deep);border-top:1px solid var(--line-dim)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;padding-top:32px}
.foot-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:800;color:#fff;margin-bottom:14px}
.foot-col h4{font-size:14px;color:#fff;margin-bottom:14px;letter-spacing:.02em}
.foot-col p{font-size:14px;line-height:26px;color:var(--mist);margin-bottom:10px}
.foot-col a{display:block;font-size:14px;line-height:24px;color:var(--mist);margin-bottom:9px}
.foot-col a:hover{color:var(--aurora)}
.foot-bottom{
  display:flex;align-items:center;gap:16px;flex-wrap:wrap;
  margin-top:38px;padding-top:20px;border-top:1px solid var(--line-dim);
  font-size:13px;color:var(--mist);
}
.foot-bottom a{color:var(--mist)}
.foot-bottom a:hover{color:var(--aurora)}

/* ---------- toast ---------- */
.toast{
  position:fixed;left:50%;bottom:32px;transform:translate(-50%,20px);
  background:var(--ink-soft);border:1px solid var(--aurora);color:#fff;
  padding:12px 22px;border-radius:999px;font-size:14px;
  box-shadow:var(--sh-2);opacity:0;pointer-events:none;
  transition:opacity var(--t) var(--ease),transform var(--t) var(--ease);z-index:99;
}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ---------- responsive ---------- */
@media (max-width:1279px){
  .article-layout{grid-template-columns:minmax(0,1fr);gap:0}
  .side{position:static;margin-top:32px}
  .paper{padding:48px 44px}
}
@media (max-width:1023px){
  .nav-links{
    position:fixed;inset:0;background:var(--ink-night);
    flex-direction:column;align-items:stretch;justify-content:flex-start;
    gap:4px;padding:96px 24px 32px;margin:0;
    transform:translateX(100%);transition:transform var(--t) var(--ease);z-index:70;
    overflow-y:auto;
  }
  .nav-links.open{transform:translateX(0)}
  .nav-links a{font-size:20px;padding:14px 12px;border-radius:12px;border-bottom:1px solid var(--line-dim)}
  .nav-links a.active::after{display:none}
  .nav-toggle{display:block;margin-left:auto;position:relative;z-index:80}
  .nav-cta{display:none}
  .cards{grid-template-columns:repeat(2,minmax(0,1fr))}
  .cta-inner{flex-direction:column;align-items:flex-start;gap:22px}
  .cta-actions{margin-left:0;flex-wrap:wrap}
  .foot-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
}
@media (max-width:767px){
  body{font-size:17px;line-height:1.95}
  .container{padding:0 18px}
  .brand .name{font-size:16px}
  .post-head{padding:36px 0 24px}
  .post-head h1{font-size:24px;line-height:34px;margin:16px 0 18px}
  .paper{padding:22px;border-radius:16px}
  .prose{font-size:17px;line-height:31px}
  .prose h2{font-size:22px;line-height:32px;margin:38px 0 14px}
  .prose h3{font-size:19px;line-height:28px}
  .section{padding:56px 0 0}
  .section-head h2{font-size:22px;line-height:32px}
  .cards{grid-template-columns:minmax(0,1fr);gap:18px}
  .foot-grid{grid-template-columns:minmax(0,1fr);gap:26px}
  .cta-band{margin-top:56px}
  .cta-inner{padding:34px 0}
  .share-bar{padding:16px}
  .share-bar .text{width:100%;margin:0 0 4px}
  .toast{left:18px;right:18px;transform:translate(0,20px);text-align:center}
  .toast.show{transform:translate(0,0)}
}
@media (max-width:479px){
  .post-head h1{font-size:22px;line-height:32px}
  .meta-row{gap:10px}
  .icon-btn{padding:6px 10px}
}

/* roulang page: category1 */
:root{
  --ink-night:#0B0C22;
  --ink-deep:#12142F;
  --ink-soft:#1B1E42;
  --line-dim:#2A2E58;
  --aurora:#2FD3C1;
  --nebula:#7A5CFF;
  --stardust:#FFB86B;
  --mist:#A7ABCF;
  --paper:#F6F5F2;
  --ink-text:#191B33;
  --sh-1:0 6px 18px rgba(6,7,26,.35);
  --sh-2:0 16px 40px rgba(6,7,26,.5);
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --ease:cubic-bezier(.2,.7,.3,1);
}
*{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ink-night);
  color:#E7E9F7;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif;
  font-size:18px;
  line-height:1.9;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
h1,h2,h3,h4,p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--aurora);outline-offset:2px;border-radius:4px;}
.container{max-width:1200px;margin:0 auto;padding:0 24px;}
.mono{font-family:ui-monospace,"SFMono-Regular",Menlo,Consolas,monospace;font-variant-numeric:tabular-nums;}

/* ===== 顶部导航 ===== */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(11,12,34,.86);
  border-bottom:1px solid transparent;
  transition:background .22s var(--ease),border-color .22s var(--ease);
}
.site-header.is-scrolled{background:var(--ink-deep);border-bottom-color:var(--line-dim);}
.nav{display:flex;align-items:center;gap:24px;height:68px;}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;}
.brand .mark{width:34px;height:34px;flex:0 0 auto;}
.brand .name{display:flex;flex-direction:column;line-height:1.1;font-weight:800;font-size:18px;letter-spacing:-.01em;color:#fff;}
.brand .name .sub{font-size:9px;letter-spacing:.2em;font-weight:500;color:var(--mist);margin-top:3px;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-links a{
  position:relative;
  padding:8px 14px;border-radius:999px;
  font-size:15px;color:var(--mist);
  transition:color .16s var(--ease),background .16s var(--ease);
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.08);}
.nav-links a.active{color:var(--aurora);font-weight:500;}
.nav-links a.active::after{
  content:"";position:absolute;left:20%;right:20%;bottom:2px;height:2px;
  background:var(--aurora);border-radius:2px;
}
.nav-cta{
  flex:0 0 auto;
  background:var(--aurora);color:#0E1030;font-weight:700;font-size:14px;
  padding:10px 18px;border-radius:var(--r-btn);
  transition:transform .16s var(--ease),box-shadow .16s var(--ease),filter .16s var(--ease);
}
.nav-cta:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 8px 22px rgba(47,211,193,.28);}
.nav-cta:active{transform:translateY(1px);}
.nav-toggle{display:none;width:42px;height:42px;border-radius:10px;position:relative;}
.nav-toggle span{display:block;width:20px;height:2px;background:#fff;margin:0 auto;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:20px;height:2px;background:#fff;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

/* ===== 分类横幅 ===== */
.cat-hero{
  position:relative;
  min-height:308px;
  display:flex;align-items:flex-end;
  background-image:linear-gradient(115deg,rgba(11,12,34,.92) 12%,rgba(11,12,34,.55) 58%,rgba(18,20,47,.35)),url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.cat-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:120px;
  background:linear-gradient(180deg,rgba(11,12,34,0) 0%,var(--ink-night) 100%);
  pointer-events:none;
}
.cat-hero .hero-inner{position:relative;z-index:2;width:100%;padding:72px 0 56px;}
.breadcrumb{display:flex;flex-wrap:wrap;gap:8px;font-size:14px;color:var(--mist);margin-bottom:18px;}
.breadcrumb span{opacity:.5;}
.breadcrumb a:hover{color:var(--aurora);}
.hero-tag{
  display:inline-block;padding:5px 14px;border-radius:999px;
  background:rgba(122,92,255,.15);color:#BBAEFF;font-size:13px;font-weight:500;
  margin-bottom:16px;
}
.cat-hero h1{
  font-size:44px;line-height:1.2;font-weight:800;letter-spacing:-.01em;color:#fff;
  margin-bottom:14px;
}
.cat-hero h1 em{font-style:normal;color:var(--aurora);}
.hero-sub{font-size:17px;color:var(--mist);max-width:640px;}

/* ===== 通用板块 ===== */
.section{padding:88px 0 0;}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;}
.sec-head h2{
  position:relative;font-size:30px;line-height:1.3;font-weight:700;letter-spacing:-.01em;color:#fff;
  padding-left:16px;
}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:.28em;bottom:.28em;width:3px;border-radius:3px;
  background:var(--aurora);
}
.sec-head p{font-size:15px;color:var(--mist);max-width:520px;}

/* ===== 速览 ===== */
.facts{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.fact{
  background:var(--ink-soft);border:1px solid var(--line-dim);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.fact:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(47,211,193,.4);}
.fact .num{font-size:13px;color:var(--aurora);letter-spacing:.12em;margin-bottom:14px;display:block;}
.fact h3{font-size:19px;font-weight:700;color:#fff;margin-bottom:10px;}
.fact p{font-size:15px;line-height:1.85;color:var(--mist);}

/* ===== 索引 + 条目双列 ===== */
.cat-body{display:grid;grid-template-columns:320px 1fr;gap:44px;align-items:start;}
.index-panel{
  position:sticky;top:96px;
  background:var(--ink-soft);border:1px solid var(--line-dim);border-radius:var(--r-card);
  padding:26px 22px;box-shadow:var(--sh-1);
}
.index-panel h3{font-size:14px;letter-spacing:.14em;color:var(--mist);font-weight:500;margin-bottom:16px;}
.index-list li + li{border-top:1px solid var(--line-dim);}
.index-list a{
  display:flex;gap:14px;align-items:baseline;
  padding:13px 10px;border-radius:10px;font-size:15px;color:var(--mist);
  transition:color .16s var(--ease),background .16s var(--ease),transform .16s var(--ease);
}
.index-list a .idx{font-size:13px;color:var(--aurora);flex:0 0 auto;}
.index-list a:hover,.index-list a.active{color:#fff;background:rgba(47,211,193,.08);transform:translateX(4px);}
.index-note{margin-top:18px;padding-top:16px;border-top:1px solid var(--line-dim);font-size:13px;line-height:1.8;color:var(--mist);}

.entry-list{display:flex;flex-direction:column;gap:28px;}
.entry{
  background:var(--ink-soft);border:1px solid var(--line-dim);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-1);
  transition:box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.entry:hover{box-shadow:var(--sh-2);border-color:rgba(122,92,255,.42);}
.entry-inner{display:grid;grid-template-columns:1fr 1fr;gap:32px;align-items:center;}
.entry:nth-child(even) .entry-media{order:2;}
.entry-media{overflow:hidden;border-radius:var(--r-img);}
.entry-media img{width:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .28s var(--ease);}
.entry:hover .entry-media img{transform:scale(1.03);}
.entry-no{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;color:var(--aurora);
  letter-spacing:.1em;margin-bottom:12px;
}
.entry h3{font-size:21px;line-height:1.45;font-weight:700;color:#fff;margin-bottom:12px;}
.entry p{font-size:16px;line-height:1.9;color:var(--mist);margin-bottom:16px;}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:18px;}
.tag{
  display:inline-block;padding:4px 12px;border-radius:999px;
  background:rgba(122,92,255,.15);color:#BBAEFF;font-size:13px;
}
.tag.warm{background:rgba(255,184,107,.16);color:var(--stardust);}
.more-link{
  display:inline-flex;align-items:center;gap:8px;font-size:15px;font-weight:500;color:var(--aurora);
  border-bottom:2px solid transparent;transition:border-color .16s var(--ease),gap .16s var(--ease);
}
.more-link:hover{border-bottom-color:var(--aurora);gap:12px;}

/* ===== 适用场景 ===== */
.scene-grid{display:grid;grid-template-columns:1fr 1fr;gap:20px;}
.scene{
  display:flex;gap:20px;align-items:flex-start;
  background:var(--ink-deep);border:1px solid var(--line-dim);border-radius:14px;
  padding:24px;transition:transform .22s var(--ease),border-color .22s var(--ease);
}
.scene:hover{transform:translateX(4px);border-color:rgba(47,211,193,.36);}
.scene .no{font-size:14px;color:var(--stardust);flex:0 0 auto;padding-top:4px;}
.scene h3{font-size:18px;font-weight:700;color:#fff;margin-bottom:8px;}
.scene p{font-size:15px;line-height:1.85;color:var(--mist);}

/* ===== 流程 ===== */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative;}
.flow::before{
  content:"";position:absolute;top:26px;left:6%;right:6%;height:1px;
  background:linear-gradient(90deg,rgba(47,211,193,.5),rgba(122,92,255,.35),rgba(47,211,193,.5));
}
.flow-step{position:relative;padding-top:0;}
.flow-step .dot{
  width:14px;height:14px;border-radius:50%;background:var(--ink-night);
  border:2px solid var(--aurora);position:relative;z-index:2;margin:20px 0 22px;
  box-shadow:0 0 0 6px rgba(47,211,193,.10);
}
.flow-step h3{font-size:18px;font-weight:700;color:#fff;margin-bottom:10px;}
.flow-step p{font-size:15px;line-height:1.85;color:var(--mist);}

/* ===== FAQ ===== */
.faq{display:flex;flex-direction:column;gap:12px;max-width:960px;}
.faq-item{
  background:var(--ink-soft);border:1px solid var(--line-dim);border-radius:14px;
  overflow:hidden;transition:border-color .2s var(--ease);
}
.faq-item.open{border-color:rgba(47,211,193,.42);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;text-align:left;font-size:17px;font-weight:500;color:#fff;
}
.faq-q .arrow{
  flex:0 0 auto;width:18px;height:18px;position:relative;
  transition:transform .16s var(--ease);
}
.faq-q .arrow::before,.faq-q .arrow::after{
  content:"";position:absolute;top:50%;left:50%;background:var(--aurora);
}
.faq-q .arrow::before{width:12px;height:2px;transform:translate(-50%,-50%);}
.faq-q .arrow::after{width:2px;height:12px;transform:translate(-50%,-50%);transition:opacity .16s var(--ease);}
.faq-item.open .arrow{transform:rotate(180deg);}
.faq-item.open .arrow::after{opacity:0;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .22s var(--ease);}
.faq-a p{
  font-size:15px;line-height:1.85;color:var(--mist);
  padding:0 24px 22px 42px;border-left:2px solid var(--aurora);margin-left:24px;
  padding-left:18px;
}

/* ===== CTA ===== */
.cta-band{
  margin-top:96px;
  background:linear-gradient(90deg,rgba(47,211,193,.08),rgba(122,92,255,.06) 60%,rgba(11,12,34,0));
  border-top:1px solid var(--line-dim);border-bottom:1px solid var(--line-dim);
  padding:56px 0;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;}
.cta-inner h2{font-size:28px;font-weight:700;color:#fff;margin-bottom:10px;}
.cta-inner p{font-size:16px;color:var(--mist);max-width:520px;}
.cta-btns{display:flex;gap:14px;flex-wrap:wrap;}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:var(--r-btn);font-size:15px;font-weight:700;
  transition:transform .16s var(--ease),box-shadow .16s var(--ease),border-color .16s var(--ease),filter .16s var(--ease),background .16s var(--ease);
}
.btn-primary{background:var(--aurora);color:#0E1030;}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 10px 26px rgba(47,211,193,.3);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{background:transparent;border:1px solid var(--line-dim);color:#E7E9F7;font-weight:500;}
.btn-ghost:hover{border-color:var(--aurora);color:var(--aurora);}
.btn-ghost:active{transform:translateY(1px);}

.cat-pills{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px;}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 18px;border-radius:999px;font-size:14px;
  background:var(--ink-soft);border:1px solid var(--line-dim);color:var(--mist);
  transition:color .16s var(--ease),border-color .16s var(--ease),transform .16s var(--ease);
}
.pill:hover{color:var(--aurora);border-color:var(--aurora);transform:translateY(-2px);}

/* ===== 页脚 ===== */
.site-footer{margin-top:96px;border-top:1px solid var(--line-dim);padding:64px 0 28px;background:var(--ink-deep);}
.foot-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px;}
.foot-brand{display:flex;align-items:center;gap:10px;font-size:17px;font-weight:700;color:#fff;margin-bottom:14px;}
.foot-col h4{font-size:14px;font-weight:700;color:#fff;letter-spacing:.06em;margin-bottom:16px;}
.foot-col p{font-size:14px;line-height:1.9;color:var(--mist);margin-bottom:10px;}
.foot-col a{display:block;font-size:14px;color:var(--mist);padding:5px 0;transition:color .16s var(--ease),transform .16s var(--ease);}
.foot-col a:hover{color:var(--aurora);transform:translateX(3px);}
.foot-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid var(--line-dim);
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:var(--mist);
}
.foot-bottom a{color:var(--aurora);}
.foot-bottom a:hover{text-decoration:underline;}

/* ===== 浮层 ===== */
.toast{
  position:fixed;left:24px;bottom:24px;z-index:120;
  background:var(--ink-soft);border:1px solid var(--aurora);color:#fff;
  padding:12px 20px;border-radius:12px;font-size:14px;
  box-shadow:var(--sh-2);opacity:0;transform:translateY(12px);pointer-events:none;
  transition:opacity .22s var(--ease),transform .22s var(--ease);
}
.toast.show{opacity:1;transform:translateY(0);}
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:120;
  width:46px;height:46px;border-radius:50%;
  background:var(--ink-soft);border:1px solid var(--line-dim);color:var(--aurora);
  display:flex;align-items:center;justify-content:center;font-size:18px;
  opacity:0;pointer-events:none;transition:opacity .22s var(--ease),transform .22s var(--ease),border-color .16s var(--ease);
}
.to-top.show{opacity:1;pointer-events:auto;}
.to-top:hover{border-color:var(--aurora);transform:translateY(-2px);}

/* ===== 响应式 ===== */
@media (max-width:1279px){
  .cat-hero h1{font-size:38px;}
  .cat-body{grid-template-columns:280px 1fr;gap:32px;}
}
@media (max-width:1023px){
  .nav-toggle{display:block;margin-left:auto;}
  .nav-links{
    position:fixed;top:68px;left:0;right:0;bottom:0;
    background:var(--ink-night);flex-direction:column;align-items:stretch;
    gap:0;padding:20px 24px 110px;margin-left:0;display:none;z-index:90;overflow-y:auto;
  }
  .nav-links.open{display:flex;}
  .nav-links a{font-size:20px;padding:16px 4px;border-radius:0;border-bottom:1px solid var(--line-dim);text-align:left;}
  .nav-links a.active::after{display:none;}
  .nav-cta{display:none;}
  body.nav-open .nav-cta{
    display:block;position:fixed;left:24px;right:24px;bottom:28px;z-index:95;
    text-align:center;padding:14px 18px;font-size:16px;
  }
  .facts{grid-template-columns:1fr 1fr;}
  .cat-body{grid-template-columns:1fr;gap:28px;}
  .index-panel{position:static;}
  .flow{grid-template-columns:1fr 1fr;gap:28px;}
  .flow::before{display:none;}
  .scene-grid{grid-template-columns:1fr;}
  .foot-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:900px){
  .entry-inner{grid-template-columns:1fr;gap:20px;}
  .entry:nth-child(even) .entry-media{order:0;}
}
@media (max-width:767px){
  body{font-size:17px;line-height:1.95;}
  .container{padding:0 18px;}
  .section{padding:56px 0 0;}
  .cat-hero{min-height:280px;background-position:70% center;}
  .cat-hero .hero-inner{padding:56px 0 44px;}
  .cat-hero h1{font-size:28px;}
  .hero-sub{font-size:15px;}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px;margin-bottom:26px;}
  .sec-head h2{font-size:24px;}
  .facts{grid-template-columns:1fr;gap:16px;}
  .entry{padding:18px;}
  .entry h3{font-size:19px;}
  .flow{grid-template-columns:1fr;}
  .flow-step .dot{margin:0 0 16px;}
  .cta-band{margin-top:56px;padding:40px 0;}
  .cta-inner h2{font-size:22px;}
  .cta-btns{width:100%;}
  .cta-btns .btn{flex:1 1 100%;}
  .site-footer{margin-top:56px;padding:48px 0 24px;}
  .foot-grid{grid-template-columns:1fr;gap:28px;}
  .foot-bottom{flex-direction:column;align-items:center;text-align:center;}
  .toast{left:18px;right:18px;bottom:18px;}
  .to-top{right:18px;bottom:80px;}
}
@media (max-width:479px){
  .cat-hero h1{font-size:25px;}
  .brand .name{font-size:16px;}
  .brand .name .sub{font-size:8px;}
}

/* roulang page: category2 */
:root{
  --ink-night:#0B0C22;
  --ink-deep:#12142F;
  --ink-soft:#1B1E42;
  --line-dim:#2A2E58;
  --aurora:#2FD3C1;
  --nebula:#7A5CFF;
  --stardust:#FFB86B;
  --mist:#A7ABCF;
  --paper:#F6F5F2;
  --ink-text:#191B33;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --sh-1:0 6px 18px rgba(6,7,26,.35);
  --sh-2:0 16px 40px rgba(6,7,26,.5);
  --ease:cubic-bezier(.2,.7,.3,1);
  --mono:ui-monospace,"SFMono-Regular",Menlo,Consolas,"Liberation Mono",monospace;
}

*,*::before,*::after{box-sizing:border-box;}
html{scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--ink-night);
  color:var(--mist);
  font-family:"Noto Sans SC","PingFang SC","Hiragino Sans GB","Microsoft YaHei",system-ui,sans-serif;
  font-size:17px;
  line-height:1.9;
  letter-spacing:-0.01em;
  -webkit-font-smoothing:antialiased;
}
body.nav-open{overflow:hidden;}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .16s var(--ease);}
h1,h2,h3,h4{margin:0;color:#fff;font-weight:700;letter-spacing:-0.01em;line-height:1.3;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit;}
input{font-family:inherit;}
:focus-visible{outline:2px solid var(--aurora);outline-offset:2px;border-radius:4px;}

.container{max-width:1200px;margin:0 auto;padding:0 24px;}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(11,12,34,.86);
  border-bottom:1px solid transparent;
  transition:background .22s var(--ease),border-color .22s var(--ease);
}
.site-header.scrolled{background:var(--ink-deep);border-bottom-color:var(--line-dim);}
.nav{display:flex;align-items:center;justify-content:space-between;height:68px;gap:24px;}
.brand{display:flex;align-items:center;gap:12px;}
.brand .mark{width:36px;height:36px;flex:none;}
.brand .name{display:flex;flex-direction:column;color:#fff;font-weight:800;font-size:18px;line-height:1.15;}
.brand .sub{font-family:var(--mono);font-size:10px;letter-spacing:.16em;color:var(--mist);font-weight:400;margin-top:2px;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto;}
.nav-links a{
  padding:8px 14px;border-radius:999px;font-size:15px;color:var(--mist);
  transition:background .16s var(--ease),color .16s var(--ease);
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.08);}
.nav-links a.active{color:var(--aurora);position:relative;}
.nav-links a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;
  background:var(--aurora);border-radius:2px;
}
.nav-cta{
  display:inline-flex;align-items:center;justify-content:center;
  padding:10px 20px;border-radius:var(--r-btn);
  background:var(--aurora);color:#0E1030;font-weight:700;font-size:15px;
  transition:transform .16s var(--ease),box-shadow .16s var(--ease),filter .16s var(--ease);
}
.nav-cta:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 0 0 6px rgba(47,211,193,.14);}
.nav-cta:active{transform:translateY(1px);}
.nav-toggle{
  display:none;width:40px;height:40px;border-radius:10px;position:relative;flex:none;
  border:1px solid var(--line-dim);
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  position:absolute;left:50%;width:20px;height:1.6px;background:var(--mist);border-radius:2px;
  transform:translateX(-50%);transition:.2s var(--ease);
}
.nav-toggle span{top:19px;}
.nav-toggle span::before{content:"";left:0;top:-6px;transform:none;}
.nav-toggle span::after{content:"";left:0;top:6px;transform:none;}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);font-size:15px;font-weight:700;
  transition:transform .16s var(--ease),box-shadow .16s var(--ease),background .16s var(--ease),border-color .16s var(--ease),color .16s var(--ease);
}
.btn-primary{background:var(--aurora);color:#0E1030;}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 0 0 6px rgba(47,211,193,.14);}
.btn-primary:active{transform:translateY(1px);}
.btn-ghost{border:1px solid var(--line-dim);color:#fff;background:transparent;}
.btn-ghost:hover{border-color:var(--aurora);color:var(--aurora);}
.btn-ghost:active{transform:translateY(1px);}
.link-more{
  display:inline-flex;align-items:center;gap:6px;color:var(--aurora);font-size:15px;font-weight:700;
  border-bottom:2px solid transparent;padding-bottom:2px;transition:.16s var(--ease);
}
.link-more:hover{border-bottom-color:var(--aurora);transform:translateX(2px);}

/* ---------- Badges / Tags ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;font-size:13px;font-weight:700;
  background:rgba(122,92,255,.15);color:#A996FF;
}
.badge-warm{background:var(--stardust);color:#3A2408;}
.tag{
  display:inline-flex;align-items:center;padding:4px 11px;border-radius:999px;
  border:1px solid var(--line-dim);color:var(--mist);font-size:12.5px;
}
.tag:hover{border-color:var(--aurora);color:var(--aurora);}

/* ---------- Page banner ---------- */
.page-banner{
  position:relative;overflow:hidden;
  min-height:300px;display:flex;align-items:flex-end;
  padding:72px 0 56px;
  border-bottom:1px solid var(--line-dim);
}
.page-banner-bg{
  position:absolute;inset:0;
  background-size:cover;background-position:center;
  opacity:.42;
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background:radial-gradient(720px 340px at 82% 18%,rgba(47,211,193,.16),transparent 62%),
             radial-gradient(560px 300px at 12% 88%,rgba(122,92,255,.18),transparent 65%);
}
.page-banner::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:130px;
  background:linear-gradient(180deg,rgba(11,12,34,0),var(--ink-night));
}
.page-banner .container{position:relative;z-index:2;}
.page-banner h1{font-size:44px;line-height:1.2;margin:18px 0 14px;}
.page-banner .lede{font-size:18px;color:#D6D9F0;max-width:640px;}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13.5px;color:var(--mist);font-family:var(--mono);}
.crumbs a:hover{color:var(--aurora);}
.crumbs span{color:var(--aurora);}

/* ---------- Section base ---------- */
.section{padding:96px 0;}
.section-alt{background:var(--ink-deep);border-top:1px solid var(--line-dim);border-bottom:1px solid var(--line-dim);}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:44px;flex-wrap:wrap;}
.sec-head h2{position:relative;padding-left:18px;font-size:30px;}
.sec-head h2::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:4px;height:26px;border-radius:2px;background:var(--aurora);
}
.sec-head p{margin-top:10px;max-width:660px;font-size:16px;color:var(--mist);}
.sec-num{font-family:var(--mono);font-size:13px;color:var(--nebula);letter-spacing:.16em;}

/* ---------- Stat cards ---------- */
.stat-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.stat-card{
  background:var(--ink-soft);border:1px solid var(--line-dim);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease),border-color .22s var(--ease);
}
.stat-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#3A3F72;}
.stat-card .num{font-family:var(--mono);font-size:30px;color:var(--aurora);font-variant-numeric:tabular-nums;line-height:1.2;}
.stat-card h3{font-size:17px;margin:10px 0 8px;}
.stat-card p{font-size:14.5px;line-height:1.8;color:var(--mist);}

/* ---------- Timeline ---------- */
.timeline{position:relative;padding:8px 0;}
.timeline::before{
  content:"";position:absolute;left:50%;top:0;bottom:0;width:2px;transform:translateX(-1px);
  background:linear-gradient(180deg,rgba(47,211,193,.55),rgba(122,92,255,.35) 55%,rgba(42,46,88,.2));
}
.tl-item{position:relative;display:grid;grid-template-columns:1fr 1fr;column-gap:88px;padding:0 0 56px;}
.tl-item:last-child{padding-bottom:0;}
.tl-item::after{
  content:"";position:absolute;left:50%;top:26px;width:13px;height:13px;border-radius:50%;
  transform:translateX(-50%);
  background:var(--ink-night);border:2px solid var(--aurora);
  box-shadow:0 0 0 5px rgba(47,211,193,.12);
}
.tl-item:nth-child(even)::after{border-color:var(--nebula);box-shadow:0 0 0 5px rgba(122,92,255,.14);}
.tl-card{
  background:var(--ink-soft);border:1px solid var(--line-dim);border-radius:var(--r-card);
  padding:26px;box-shadow:var(--sh-1);
  transition:transform .22s var(--ease),box-shadow .22s var(--ease);
}
.tl-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);}
.tl-item:nth-child(odd) .tl-card{grid-column:1;}
.tl-item:nth-child(even) .tl-card{grid-column:2;}
.tl-time{
  display:block;font-family:var(--mono);font-size:13px;color:var(--stardust);
  font-variant-numeric:tabular-nums;letter-spacing:.06em;margin-bottom:10px;
}
.tl-card h3{font-size:20px;margin-bottom:10px;}
.tl-card p{font-size:15px;line-height:1.85;}
.tl-card .tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px;}
.tl-thumb{
  margin-top:16px;border-radius:var(--r-img);overflow:hidden;border:1px solid var(--line-dim);
}
.tl-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s var(--ease);}
.tl-card:hover .tl-thumb img{transform:scale(1.03);}

/* ---------- Flow ---------- */
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;}
.flow-step{
  background:var(--ink-soft);border:1px solid var(--line-dim);border-radius:var(--r-card);
  padding:26px 24px;position:relative;overflow:hidden;
}
.flow-step .idx{
  font-family:var(--mono);font-size:13px;color:var(--aurora);letter-spacing:.14em;
}
.flow-step h3{font-size:18px;margin:12px 0 10px;}
.flow-step p{font-size:14.5px;line-height:1.85;}
.flow-step::after{
  content:"";position:absolute;right:-30px;bottom:-30px;width:90px;height:90px;border-radius:50%;
  border:1px solid var(--line-dim);
}

/* ---------- Scene list ---------- */
.scene-list{display:grid;gap:14px;}
.scene-row{
  display:grid;grid-template-columns:64px 1fr 220px;align-items:center;gap:22px;
  padding:20px 22px;border-radius:14px;background:var(--ink-soft);
  border:1px solid var(--line-dim);border-left:2px solid transparent;
  transition:transform .18s var(--ease),background .18s var(--ease),border-color .18s var(--ease);
}
.scene-row:hover{transform:translateX(4px);border-left-color:var(--aurora);background:#20244E;}
.scene-row .sn{font-family:var(--mono);font-size:18px;color:var(--aurora);font-variant-numeric:tabular-nums;}
.scene-row h3{font-size:17px;margin-bottom:6px;}
.scene-row p{font-size:14.5px;line-height:1.8;}
.scene-row .meta{font-family:var(--mono);font-size:13px;color:var(--stardust);text-align:right;}

/* ---------- FAQ ---------- */
.faq{display:grid;gap:12px;max-width:920px;}
.faq-item{
  background:var(--ink-soft);border:1px solid var(--line-dim);border-radius:14px;overflow:hidden;
  transition:border-color .18s var(--ease);
}
.faq-item.open{border-color:#3A3F72;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;text-align:left;font-size:17px;font-weight:500;color:#fff;
}
.faq-q .arrow{
  flex:none;width:11px;height:11px;border-right:1.8px solid var(--aurora);border-bottom:1.8px solid var(--aurora);
  transform:rotate(45deg);transition:transform .16s var(--ease);margin-top:-4px;
}
.faq-item.open .faq-q .arrow{transform:rotate(-135deg);margin-top:4px;}
.faq-a{max-height:0;overflow:hidden;transition:max-height .26s var(--ease);}
.faq-a-inner{
  padding:0 22px 22px 40px;font-size:15px;line-height:1.85;color:var(--mist);
  position:relative;
}
.faq-a-inner::before{
  content:"";position:absolute;left:22px;top:4px;bottom:22px;width:2px;background:var(--aurora);border-radius:2px;
}

/* ---------- CTA band ---------- */
.cta-band{
  border-radius:18px;border:1px solid var(--line-dim);
  background:linear-gradient(100deg,rgba(47,211,193,.10),rgba(122,92,255,.06) 58%,rgba(11,12,34,0));
  padding:44px 40px;
  display:grid;grid-template-columns:1fr auto;align-items:center;gap:30px;
}
.cta-band h2{font-size:26px;margin-bottom:10px;}
.cta-band p{font-size:15.5px;max-width:600px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;}
.chip-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}
.chip{
  display:inline-flex;align-items:center;gap:8px;padding:9px 18px;border-radius:999px;
  border:1px solid var(--line-dim);font-size:14px;color:var(--mist);background:rgba(255,255,255,.02);
  transition:.18s var(--ease);
}
.chip:hover{border-color:var(--aurora);color:var(--aurora);transform:translateY(-1px);}

/* ---------- Footer ---------- */
.site-footer{background:var(--ink-deep);border-top:1px solid var(--line-dim);padding:64px 0 28px;margin-top:96px;}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:36px;}
.foot-brand{display:flex;align-items:center;gap:10px;color:#fff;font-weight:800;font-size:17px;margin-bottom:14px;}
.foot-col p{font-size:14px;line-height:1.9;color:var(--mist);}
.foot-col h4{font-size:15px;margin-bottom:16px;color:#fff;font-weight:700;}
.foot-col a{display:block;font-size:14px;color:var(--mist);padding:5px 0;}
.foot-col a:hover{color:var(--aurora);}
.foot-bottom{
  border-top:1px solid var(--line-dim);padding-top:22px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:#7D82AC;
}
.foot-bottom a{color:var(--aurora);}

/* ---------- Toast ---------- */
.toast{
  position:fixed;left:50%;bottom:36px;transform:translate(-50%,20px);
  background:var(--ink-soft);border:1px solid var(--aurora);color:#fff;
  padding:12px 22px;border-radius:999px;font-size:14px;box-shadow:var(--sh-2);
  opacity:0;pointer-events:none;transition:.24s var(--ease);z-index:200;
}
.toast.show{opacity:1;transform:translate(-50%,0);}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .page-banner h1{font-size:38px;}
  .scene-row{grid-template-columns:56px 1fr;grid-template-rows:auto auto;}
  .scene-row .meta{text-align:left;grid-column:2;}
}
@media (max-width:1023px){
  .nav-links{
    position:fixed;left:0;right:0;top:68px;bottom:0;
    flex-direction:column;align-items:flex-start;gap:4px;
    background:var(--ink-night);padding:28px 24px;
    transform:translateX(100%);transition:transform .28s var(--ease);
    overflow-y:auto;
  }
  .nav-links.open{transform:translateX(0);}
  .nav-links a{font-size:20px;width:100%;padding:14px 10px;border-radius:12px;}
  .nav-links a.active::after{left:10px;right:auto;width:60%;bottom:8px;}
  .nav-cta{display:none;}
  .nav-toggle{display:block;}
  .stat-grid{grid-template-columns:repeat(2,1fr);}
  .flow-grid{grid-template-columns:repeat(2,1fr);}
  .cta-band{grid-template-columns:1fr;padding:36px 28px;}
}
@media (max-width:767px){
  body{font-size:17px;line-height:1.95;}
  .container{padding:0 18px;}
  .section{padding:56px 0;}
  .page-banner{min-height:260px;padding:56px 0 44px;}
  .page-banner h1{font-size:28px;line-height:1.35;}
  .page-banner .lede{font-size:16px;}
  .sec-head h2{font-size:24px;}
  .stat-grid{grid-template-columns:1fr;}
  .flow-grid{grid-template-columns:1fr;}
  .timeline::before{left:7px;transform:none;}
  .tl-item{grid-template-columns:1fr;column-gap:0;padding-left:34px;padding-bottom:36px;}
  .tl-item::after{left:7px;top:24px;transform:translateX(-50%);}
  .tl-item:nth-child(odd) .tl-card,
  .tl-item:nth-child(even) .tl-card{grid-column:1;}
  .scene-row{grid-template-columns:1fr;gap:10px;padding:18px;}
  .scene-row .sn{font-size:15px;}
  .scene-row .meta{grid-column:auto;}
  .faq-q{font-size:16px;padding:17px 18px;}
  .faq-a-inner{padding:0 18px 20px 34px;}
  .faq-a-inner::before{left:18px;}
  .cta-band{padding:30px 20px;border-radius:16px;}
  .cta-band h2{font-size:21px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{flex:1;}
  .foot-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .foot-bottom{justify-content:center;text-align:center;}
  .site-footer{padding:48px 0 24px;margin-top:56px;}
}
@media (max-width:479px){
  .brand .sub{display:none;}
  .foot-grid{grid-template-columns:1fr;}
  .page-banner h1{font-size:25px;}
}

/* roulang page: category3 */
:root{
  --ink-night:#0B0C22;
  --ink-deep:#12142F;
  --ink-soft:#1B1E42;
  --line-dim:#2A2E58;
  --aurora:#2FD3C1;
  --nebula:#7A5CFF;
  --stardust:#FFB86B;
  --mist:#A7ABCF;
  --paper:#F6F5F2;
  --ink-text:#191B33;
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --sh-1:0 6px 18px rgba(6,7,26,.35);
  --sh-2:0 16px 40px rgba(6,7,26,.5);
  --ease:cubic-bezier(.2,.7,.3,1);
  --f-sans:"Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,"PingFang SC","Hiragino Sans GB","Microsoft YaHei",sans-serif;
  --f-mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--ink-night);
  color:#E8E9F5;
  font-family:var(--f-sans);
  font-size:18px;
  line-height:1.9;
  letter-spacing:0;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    radial-gradient(1px 1px at 12% 18%,rgba(255,255,255,.55),transparent 60%),
    radial-gradient(1px 1px at 78% 8%,rgba(255,255,255,.42),transparent 60%),
    radial-gradient(1px 1px at 46% 62%,rgba(255,255,255,.35),transparent 60%),
    radial-gradient(1px 1px at 88% 74%,rgba(255,255,255,.4),transparent 60%),
    radial-gradient(1px 1px at 24% 88%,rgba(255,255,255,.3),transparent 60%);
  opacity:.06;
}
img{max-width:100%;display:block;border-radius:var(--r-img)}
a{color:inherit;text-decoration:none}
a:hover{color:var(--aurora)}
button,input{font-family:inherit;font-size:inherit}
h1,h2,h3,h4{margin:0;font-weight:700;letter-spacing:-.01em;line-height:1.28}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--aurora);outline-offset:2px;border-radius:4px}
.mono{font-family:var(--f-mono);font-variant-numeric:tabular-nums}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:1}

/* ============ HEADER ============ */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(11,12,34,.86);
  border-bottom:1px solid transparent;
  transition:background 220ms var(--ease),border-color 220ms var(--ease);
}
.site-header.scrolled{background:var(--ink-deep);border-bottom-color:var(--line-dim)}
.nav{display:flex;align-items:center;justify-content:space-between;gap:24px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand .mark{width:34px;height:34px;flex-shrink:0}
.brand .name{font-size:19px;font-weight:800;line-height:1.1;display:flex;flex-direction:column;color:#fff}
.brand .sub{font-family:var(--f-mono);font-size:9.5px;font-weight:400;letter-spacing:.16em;color:var(--mist);margin-top:2px}
.nav-links{display:flex;align-items:center;gap:28px}
.nav-links a{
  font-size:15.5px;
  color:var(--mist);
  padding:8px 14px;
  border-radius:999px;
  position:relative;
  transition:color 180ms var(--ease),background 180ms var(--ease);
}
.nav-links a:hover{color:#fff;background:rgba(255,255,255,.08)}
.nav-links a.active{color:var(--aurora)}
.nav-links a.active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:2px;height:2px;background:var(--aurora);border-radius:2px;
}
.nav-cta{
  flex-shrink:0;
  background:var(--aurora);
  color:#0E1030;
  font-size:15px;
  font-weight:700;
  padding:10px 20px;
  border-radius:var(--r-btn);
  transition:transform 160ms var(--ease),box-shadow 160ms var(--ease),background 160ms var(--ease);
}
.nav-cta:hover{color:#0E1030;background:#5BE4D4;transform:translateY(-1px);box-shadow:0 0 0 4px rgba(47,211,193,.16)}
.nav-cta:active{transform:translateY(1px)}
.nav-toggle{
  display:none;
  width:44px;height:44px;
  border:1px solid var(--line-dim);
  border-radius:var(--r-btn);
  background:transparent;
  cursor:pointer;
  position:relative;
}
.nav-toggle span,
.nav-toggle span::before,
.nav-toggle span::after{
  content:"";position:absolute;left:50%;width:20px;height:2px;background:#E8E9F5;border-radius:2px;transform:translateX(-50%);
  transition:transform 200ms var(--ease),opacity 200ms var(--ease);
}
.nav-toggle span{top:21px}
.nav-toggle span::before{top:-7px}
.nav-toggle span::after{top:7px}
.site-header.open .nav-toggle span{transform:translateX(-50%) rotate(45deg)}
.site-header.open .nav-toggle span::before{transform:translateY(7px) rotate(-90deg)}
.site-header.open .nav-toggle span::after{opacity:0}

/* ============ BUTTONS ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:var(--r-btn);font-size:16px;font-weight:600;
  border:1px solid transparent;cursor:pointer;
  transition:transform 160ms var(--ease),box-shadow 160ms var(--ease),background 160ms var(--ease),border-color 160ms var(--ease),color 160ms var(--ease);
}
.btn-primary{background:var(--aurora);color:#0E1030}
.btn-primary:hover{color:#0E1030;background:#5BE4D4;transform:translateY(-1px);box-shadow:0 8px 26px rgba(47,211,193,.28)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;color:#E8E9F5;border-color:var(--line-dim)}
.btn-ghost:hover{color:#fff;border-color:var(--aurora)}
.btn-ghost:active{transform:translateY(1px)}
.btn-text{
  background:none;border:none;padding:4px 0;color:var(--aurora);font-weight:600;cursor:pointer;
  box-shadow:inset 0 -2px 0 rgba(47,211,193,.45);
  transition:box-shadow 180ms var(--ease),color 180ms var(--ease);
}
.btn-text:hover{box-shadow:inset 0 -2px 0 var(--aurora)}
.btn-sm{padding:9px 18px;font-size:14.5px}

/* ============ BADGES ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;font-size:13px;font-weight:500;line-height:1.5;
}
.badge-nebula{background:rgba(122,92,255,.15);color:#B9A7FF}
.badge-aurora{background:rgba(47,211,193,.14);color:var(--aurora)}
.badge-star{background:var(--stardust);color:#2A1B08;font-weight:700}

/* ============ BANNER ============ */
.page-banner{
  position:relative;
  padding:64px 0 72px;
  overflow:hidden;
  border-bottom:1px solid var(--line-dim);
}
.page-banner::before{
  content:"";position:absolute;inset:0;
  background:url("/assets/images/backpic/back-2.png") center/cover no-repeat;
  opacity:.34;
}
.page-banner::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,12,34,.35) 0%,rgba(11,12,34,.72) 55%,var(--ink-night) 100%);
}
.page-banner .container{position:relative;z-index:2}
.crumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--mist);margin-bottom:26px;flex-wrap:wrap}
.crumb a{color:var(--mist)}
.crumb a:hover{color:var(--aurora)}
.crumb .sep{opacity:.5}
.crumb .cur{color:#E8E9F5}
.page-banner h1{font-size:46px;font-weight:800;line-height:1.18;max-width:820px}
.page-banner h1 em{font-style:normal;color:var(--aurora)}
.banner-sub{margin-top:18px;font-size:18px;color:var(--mist);max-width:640px;line-height:1.85}
.banner-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.banner-stats{
  display:flex;flex-wrap:wrap;gap:36px;margin-top:44px;padding-top:26px;border-top:1px solid var(--line-dim);
}
.banner-stats div{display:flex;flex-direction:column;gap:2px}
.banner-stats b{font-family:var(--f-mono);font-size:26px;font-weight:700;color:#fff;font-variant-numeric:tabular-nums}
.banner-stats span{font-size:13.5px;color:var(--mist)}

/* ============ SECTION ============ */
.section{padding:88px 0}
.section-tight{padding:64px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:44px}
.sec-head h2{
  font-size:30px;line-height:1.35;position:relative;padding-left:18px;
}
.sec-head h2::before{content:"";position:absolute;left:0;top:6px;bottom:6px;width:3px;border-radius:3px;background:var(--aurora)}
.sec-head p{margin-top:12px;font-size:16px;color:var(--mist);max-width:660px;padding-left:18px}
.eyebrow{
  font-family:var(--f-mono);font-size:12.5px;letter-spacing:.14em;color:var(--stardust);
  text-transform:uppercase;margin-bottom:12px;display:block;
}

/* ============ TOPIC INDEX ============ */
.topic-index{display:grid;grid-template-columns:repeat(2,1fr);gap:20px}
.topic-item{
  display:flex;gap:20px;align-items:flex-start;
  background:var(--ink-soft);
  border:1px solid var(--line-dim);
  border-radius:var(--r-card);
  padding:26px 26px 24px;
  box-shadow:var(--sh-1);
  transition:transform 200ms var(--ease),box-shadow 200ms var(--ease),border-color 200ms var(--ease);
}
.topic-item:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:#3C417A}
.topic-num{
  font-family:var(--f-mono);font-size:22px;font-weight:700;color:var(--aurora);
  line-height:1;padding-top:4px;flex-shrink:0;font-variant-numeric:tabular-nums;
}
.topic-item h3{font-size:19px;margin-bottom:8px}
.topic-item p{font-size:15.5px;color:var(--mist);line-height:1.8}
.topic-item .tags{margin-top:14px;display:flex;flex-wrap:wrap;gap:8px}

/* ============ ZIGZAG ============ */
.zigzag{display:flex;flex-direction:column;gap:72px}
.zig-row{display:grid;grid-template-columns:1fr 1fr;gap:48px;align-items:center}
.zig-row.reverse .zig-media{order:2}
.zig-media{position:relative;border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1)}
.zig-media img{width:100%;height:340px;object-fit:cover;border-radius:var(--r-card);transition:transform 420ms var(--ease)}
.zig-media:hover img{transform:scale(1.03)}
.zig-media .cap{
  position:absolute;left:14px;bottom:14px;
  background:rgba(11,12,34,.78);
  border:1px solid var(--line-dim);
  border-radius:999px;padding:5px 14px;font-size:12.5px;color:var(--mist);
}
.zig-body h3{font-size:24px;margin-bottom:14px}
.zig-body>p{font-size:16.5px;color:var(--mist);line-height:1.9}
.zig-list{margin-top:22px;border-top:1px solid var(--line-dim)}
.zig-list li{
  display:flex;gap:14px;padding:14px 0;border-bottom:1px solid var(--line-dim);font-size:15.5px;color:#C9CCE6;
}
.zig-list li b{font-family:var(--f-mono);color:var(--aurora);font-weight:600;flex-shrink:0}

/* ============ FLOW ============ */
.flow{
  background:var(--ink-deep);
  border:1px solid var(--line-dim);
  border-radius:var(--r-card);
  padding:48px 44px;
  box-shadow:var(--sh-1);
}
.flow-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:32px;margin-top:8px}
.flow-step{position:relative;padding-top:26px;border-top:1px solid var(--line-dim)}
.flow-step .n{font-family:var(--f-mono);font-size:13px;color:var(--stardust);letter-spacing:.1em}
.flow-step h4{font-size:18px;margin:12px 0 10px}
.flow-step p{font-size:15px;color:var(--mist);line-height:1.8}

/* ============ PARAM DATA ============ */
.param-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:20px}
.param-card{
  background:var(--ink-soft);border:1px solid var(--line-dim);border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--sh-1);
  transition:transform 200ms var(--ease),box-shadow 200ms var(--ease);
}
.param-card:hover{transform:translateY(-2px);box-shadow:var(--sh-2)}
.param-card .k{font-size:13.5px;color:var(--mist)}
.param-card .v{font-family:var(--f-mono);font-size:30px;font-weight:700;color:#fff;margin:10px 0 6px;font-variant-numeric:tabular-nums}
.param-card .d{font-size:14px;color:var(--mist);line-height:1.75}

/* ============ QUOTE / EVIDENCE ============ */
.voice-list{display:flex;flex-direction:column;gap:16px}
.voice{
  display:grid;grid-template-columns:180px 1fr;gap:28px;
  padding:26px 28px;border-radius:var(--r-card);
  background:var(--ink-soft);border:1px solid var(--line-dim);
  box-shadow:var(--sh-1);
  transition:transform 200ms var(--ease)
}
.voice:hover{transform:translateX(4px)}
.voice .who{font-size:15px;font-weight:600;color:#fff}
.voice .who span{display:block;font-family:var(--f-mono);font-size:12.5px;color:var(--stardust);font-weight:400;margin-top:6px}
.voice p{font-size:15.5px;color:var(--mist);line-height:1.85}

/* ============ FAQ ============ */
.faq{display:flex;flex-direction:column;gap:12px;max-width:920px}
.faq-item{background:var(--ink-soft);border:1px solid var(--line-dim);border-radius:14px;overflow:hidden}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  background:none;border:none;cursor:pointer;text-align:left;
  padding:20px 24px;color:#E8E9F5;font-size:17px;font-weight:500;line-height:1.6;
  transition:color 180ms var(--ease);
}
.faq-q:hover{color:var(--aurora)}
.faq-q .arrow{
  flex-shrink:0;width:18px;height:18px;position:relative;transition:transform 160ms var(--ease);
}
.faq-q .arrow::before,
.faq-q .arrow::after{
  content:"";position:absolute;background:var(--aurora);border-radius:2px;
}
.faq-q .arrow::before{left:0;right:0;top:8px;height:2px}
.faq-q .arrow::after{top:0;bottom:0;left:8px;width:2px;transition:opacity 160ms var(--ease)}
.faq-item.open .faq-q .arrow{transform:rotate(180deg)}
.faq-item.open .faq-q .arrow::after{opacity:0}
.faq-a{max-height:0;overflow:hidden;transition:max-height 260ms var(--ease)}
.faq-a div{
  padding:0 24px 22px 42px;font-size:15px;color:var(--mist);line-height:1.85;
  border-left:2px solid var(--aurora);margin-left:24px;
}
.faq-item.open .faq-a{max-height:420px}

/* ============ CTA STRIP ============ */
.cta-strip{
  position:relative;overflow:hidden;
  border-top:1px solid var(--line-dim);
  border-bottom:1px solid var(--line-dim);
  background:linear-gradient(90deg,rgba(47,211,193,.08) 0%,rgba(122,92,255,.06) 45%,rgba(11,12,34,0) 100%);
  padding:56px 0;
}
.cta-inner{display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap}
.cta-inner h2{font-size:28px;line-height:1.4;max-width:620px}
.cta-inner p{margin-top:12px;font-size:16px;color:var(--mist);max-width:620px}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}

/* ============ RELATED / SHARE ============ */
.related{display:flex;flex-wrap:wrap;gap:12px;align-items:center}
.pill{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 20px;border-radius:999px;
  background:var(--ink-soft);border:1px solid var(--line-dim);
  font-size:15px;color:#D9DBEF;
  transition:border-color 180ms var(--ease),color 180ms var(--ease),transform 180ms var(--ease);
}
.pill:hover{color:var(--aurora);border-color:var(--aurora);transform:translateY(-2px)}
.share-row{display:flex;flex-wrap:wrap;gap:14px;align-items:center;margin-top:36px;padding-top:28px;border-top:1px solid var(--line-dim)}
.share-row .label{font-size:14px;color:var(--mist);margin-right:6px}

/* ============ TOAST ============ */
.toast{
  position:fixed;left:50%;bottom:36px;transform:translate(-50%,20px);
  background:var(--ink-soft);border:1px solid var(--aurora);color:#E8E9F5;
  padding:12px 24px;border-radius:999px;font-size:14.5px;
  opacity:0;pointer-events:none;z-index:99;
  transition:opacity 220ms var(--ease),transform 220ms var(--ease);
}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ============ FOOTER ============ */
.site-footer{
  background:var(--ink-deep);
  border-top:1px solid var(--line-dim);
  padding:64px 0 0;
  margin-top:0;
}
.foot-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.foot-brand{display:flex;align-items:center;gap:10px;font-size:18px;font-weight:800;color:#fff;margin-bottom:16px}
.foot-col p{font-size:14px;color:var(--mist);line-height:1.85;margin-bottom:10px}
.foot-col h4{font-size:15px;color:#fff;margin-bottom:16px;font-weight:700}
.foot-col a{display:block;font-size:14px;color:var(--mist);padding:5px 0;transition:color 180ms var(--ease)}
.foot-col a:hover{color:var(--aurora)}
.foot-bottom{
  display:flex;justify-content:space-between;align-items:center;gap:18px;flex-wrap:wrap;
  border-top:1px solid var(--line-dim);padding:22px 0;font-size:13.5px;color:var(--mist);
}
.foot-bottom a{color:var(--mist);text-decoration:underline;text-underline-offset:3px}
.foot-bottom a:hover{color:var(--aurora)}

/* ============ RESPONSIVE ============ */
@media (max-width:1279px){
  .page-banner h1{font-size:40px}
  .flow-grid{grid-template-columns:repeat(2,1fr);gap:28px}
  .param-grid{grid-template-columns:repeat(2,1fr)}
}
@media (max-width:1023px){
  .nav-toggle{display:block}
  .nav-cta{display:none}
  .nav-links{
    position:fixed;left:0;right:0;top:68px;bottom:0;
    background:var(--ink-night);
    flex-direction:column;align-items:stretch;gap:2px;
    padding:24px 18px 32px;
    opacity:0;visibility:hidden;transform:translateY(-10px);
    transition:opacity 220ms var(--ease),transform 220ms var(--ease),visibility 220ms var(--ease);
    overflow-y:auto;
  }
  .site-header.open .nav-links{opacity:1;visibility:visible;transform:translateY(0)}
  .nav-links a{font-size:20px;padding:16px 6px;border-bottom:1px solid var(--line-dim);border-radius:0}
  .nav-links a.active::after{display:none}
  .topic-index{grid-template-columns:1fr}
  .zig-row{grid-template-columns:1fr;gap:28px}
  .zig-row.reverse .zig-media{order:0}
  .zig-media img{height:280px}
  .voice{grid-template-columns:1fr;gap:12px}
  .foot-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  body{font-size:17px;line-height:1.95}
  .container{padding:0 18px}
  .section{padding:56px 0}
  .section-tight{padding:48px 0}
  .page-banner{padding:44px 0 52px}
  .page-banner h1{font-size:28px}
  .banner-sub{font-size:16.5px}
  .banner-stats{gap:24px}
  .banner-stats b{font-size:22px}
  .sec-head h2{font-size:24px}
  .sec-head{margin-bottom:32px}
  .zigzag{gap:56px}
  .flow{padding:32px 22px}
  .flow-grid{grid-template-columns:1fr;gap:24px}
  .param-grid{grid-template-columns:1fr}
  .cta-inner h2{font-size:22px}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1}
  .faq-q{font-size:16px;padding:18px}
  .faq-a div{margin-left:18px;padding:0 18px 20px 20px}
  .foot-grid{grid-template-columns:1fr;gap:28px}
  .foot-bottom{justify-content:center;text-align:center}
  .brand .name{font-size:17px}
}
@media (max-width:479px){
  .page-banner h1{font-size:25px}
  .banner-actions .btn{width:100%}
  .topic-item{flex-direction:column;gap:12px}
  .zig-media img{height:210px}
}

/* roulang page: category4 */
:root{
  --ink-night:#0B0C22;
  --ink-deep:#12142F;
  --ink-soft:#1B1E42;
  --line-dim:#2A2E58;
  --aurora:#2FD3C1;
  --nebula:#7A5CFF;
  --stardust:#FFB86B;
  --mist:#A7ABCF;
  --paper:#F6F5F2;
  --ink-text:#191B33;
  --sh-1:0 6px 18px rgba(6,7,26,.35);
  --sh-2:0 16px 40px rgba(6,7,26,.5);
  --r-card:16px;
  --r-img:12px;
  --r-btn:10px;
  --ease:cubic-bezier(.2,.7,.3,1);
  --mono:ui-monospace,SFMono-Regular,Menlo,Consolas,"Liberation Mono",monospace;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--ink-night);
  color:#E8E9F5;
  font-family:"Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:18px;
  line-height:1.9;
  letter-spacing:-0.01em;
  -webkit-font-smoothing:antialiased;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:
    radial-gradient(1px 1px at 12% 18%,rgba(255,255,255,.5) 50%,transparent 51%),
    radial-gradient(1px 1px at 68% 8%,rgba(255,255,255,.35) 50%,transparent 51%),
    radial-gradient(1px 1px at 84% 42%,rgba(255,255,255,.4) 50%,transparent 51%),
    radial-gradient(1px 1px at 32% 66%,rgba(255,255,255,.3) 50%,transparent 51%),
    radial-gradient(1px 1px at 52% 88%,rgba(255,255,255,.35) 50%,transparent 51%),
    radial-gradient(1px 1px at 92% 76%,rgba(255,255,255,.3) 50%,transparent 51%);
  opacity:.55;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-0.01em;line-height:1.28}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--aurora);outline-offset:2px;border-radius:6px}

.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;position:relative;z-index:1}
.section{padding:96px 0}
.section--tight{padding:72px 0}

/* ---------- 顶部公告 ---------- */
.topbar{
  background:var(--ink-deep);
  border-bottom:1px solid var(--line-dim);
  font-size:14px;
  color:var(--mist);
}
.topbar .container{display:flex;align-items:center;gap:14px;min-height:44px;flex-wrap:wrap}
.topbar .dot{width:7px;height:7px;border-radius:50%;background:var(--aurora);box-shadow:0 0 0 4px rgba(47,211,193,.14);flex:none}
.topbar strong{color:#E8E9F5;font-weight:500}
.topbar time{margin-left:auto;font-family:var(--mono);font-variant-numeric:tabular-nums;font-size:13px;color:var(--stardust)}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(11,12,34,.86);
  border-bottom:1px solid transparent;
  transition:background 220ms var(--ease),border-color 220ms var(--ease),box-shadow 220ms var(--ease);
}
.site-header.is-stuck{
  background:var(--ink-deep);
  border-bottom-color:var(--line-dim);
  box-shadow:0 10px 30px rgba(4,5,20,.5);
}
.nav{display:flex;align-items:center;gap:28px;height:68px}
.brand{display:flex;align-items:center;gap:10px;flex:none}
.brand .mark{width:38px;height:38px;flex:none}
.brand .name{font-weight:800;font-size:18px;letter-spacing:-0.02em;line-height:1.1;display:flex;flex-direction:column}
.brand .sub{font-family:var(--mono);font-size:9.5px;letter-spacing:.22em;color:var(--mist);font-weight:400;margin-top:2px}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:auto}
.nav-links a{
  color:var(--mist);
  font-size:15px;
  padding:8px 14px;
  border-radius:999px;
  position:relative;
  transition:color 160ms var(--ease),background 160ms var(--ease);
}
.nav-links a:hover{color:#F2F3FB;background:rgba(255,255,255,.08)}
.nav-links a.active{color:var(--aurora)}
.nav-links a.active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);bottom:2px;
  width:60%;height:2px;border-radius:2px;background:var(--aurora);
}
.nav-cta{
  flex:none;
  background:var(--aurora);
  color:#0E1030;
  font-size:14px;
  font-weight:700;
  padding:10px 18px;
  border-radius:var(--r-btn);
  box-shadow:0 6px 16px rgba(47,211,193,.22);
  transition:transform 160ms var(--ease),box-shadow 160ms var(--ease),filter 160ms var(--ease);
}
.nav-cta:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 10px 24px rgba(47,211,193,.3)}
.nav-cta:active{transform:translateY(1px)}
.nav-toggle{
  display:none;margin-left:auto;width:44px;height:40px;border:1px solid var(--line-dim);
  background:transparent;border-radius:10px;position:relative;cursor:pointer;
}
.nav-toggle span,.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:11px;width:20px;height:2px;background:#E8E9F5;border-radius:2px;
  transition:transform 180ms var(--ease),opacity 180ms var(--ease);
}
.nav-toggle span{top:19px}
.nav-toggle span::before{top:-6px;left:0}
.nav-toggle span::after{top:6px;left:0}
.nav-toggle[aria-expanded="true"] span{background:transparent}
.nav-toggle[aria-expanded="true"] span::before{transform:translateY(6px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span::after{transform:translateY(-6px) rotate(-45deg)}

/* ---------- Banner ---------- */
.page-banner{
  position:relative;
  min-height:300px;
  display:flex;
  align-items:flex-end;
  padding:120px 0 56px;
  background-image:linear-gradient(180deg,rgba(11,12,34,.55) 0%,rgba(11,12,34,.82) 58%,var(--ink-night) 100%),url("/assets/images/backpic/back-2.png");
  background-size:cover;
  background-position:center;
  overflow:hidden;
}
.page-banner::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:2px;
  background:repeating-linear-gradient(90deg,var(--aurora) 0 2px,transparent 2px 14px);
  opacity:.28;
}
.crumb{font-size:14px;color:var(--mist);margin-bottom:18px}
.crumb a{color:var(--mist);transition:color 160ms var(--ease)}
.crumb a:hover{color:var(--aurora)}
.crumb span.sep{margin:0 8px;opacity:.6}
.page-banner h1{font-size:44px;line-height:1.18;margin-bottom:14px}
.page-banner h1 em{font-style:normal;color:var(--aurora)}
.banner-sub{color:var(--mist);font-size:17px;max-width:640px}
.banner-tags{display:flex;gap:10px;flex-wrap:wrap;margin-top:22px}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;padding:5px 12px;border-radius:999px;
  background:rgba(122,92,255,.15);color:#BDB0FF;border:1px solid rgba(122,92,255,.28);
}
.chip--warm{background:var(--stardust);color:#3A2408;border-color:transparent;font-weight:700}
.chip--line{background:transparent;color:var(--mist);border-color:var(--line-dim)}

/* ---------- 统计条 ---------- */
.stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  border-top:1px solid var(--line-dim);border-bottom:1px solid var(--line-dim);
  padding:34px 0;margin-top:36px;
}
.stat b{display:block;font-family:var(--mono);font-size:30px;font-weight:700;letter-spacing:-.02em;color:var(--aurora);font-variant-numeric:tabular-nums}
.stat span{font-size:14px;color:var(--mist)}

/* ---------- 通用标题 ---------- */
.head{display:flex;align-items:flex-end;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.head h2{font-size:30px;line-height:1.3;position:relative;padding-left:16px}
.head h2::before{
  content:"";position:absolute;left:0;top:8px;width:4px;height:26px;border-radius:3px;background:var(--aurora);
}
.head p{color:var(--mist);font-size:15px;max-width:620px;margin-top:10px}
.head .head-side{margin-left:auto;font-size:14px;color:var(--mist)}
.head .head-side a{color:var(--aurora);border-bottom:1px solid rgba(47,211,193,.4);padding-bottom:2px;transition:border-color 160ms var(--ease)}
.head .head-side a:hover{border-color:var(--aurora)}

/* ---------- 社区说明双栏 ---------- */
.intro-grid{display:grid;grid-template-columns:1.15fr .85fr;gap:48px;align-items:start}
.intro-text p{color:var(--mist);font-size:17px;margin-bottom:18px}
.intro-text p strong{color:#EDEEF8;font-weight:700}
.num-list{border-top:1px solid var(--line-dim)}
.num-list li{
  display:flex;gap:16px;align-items:flex-start;
  padding:18px 12px;border-bottom:1px solid var(--line-dim);
  transition:transform 200ms var(--ease),background 200ms var(--ease);
}
.num-list li:hover{transform:translateX(4px);background:rgba(255,255,255,.03)}
.num-list .no{font-family:var(--mono);color:var(--aurora);font-size:14px;padding-top:3px;flex:none}
.num-list h4{font-size:17px;font-weight:700;margin-bottom:4px}
.num-list p{font-size:14px;color:var(--mist);line-height:1.75}

/* ---------- 卡片墙（4 列） ---------- */
.wall{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.card{
  background:var(--ink-soft);
  border:1px solid var(--line-dim);
  border-radius:var(--r-card);
  box-shadow:var(--sh-1);
  overflow:hidden;
  display:flex;flex-direction:column;
  transition:transform 200ms var(--ease),box-shadow 200ms var(--ease),border-color 200ms var(--ease);
}
.card:hover{transform:translateY(-2px);box-shadow:var(--sh-2);border-color:rgba(47,211,193,.4)}
.card .thumb{position:relative;aspect-ratio:4/3;overflow:hidden;border-radius:0;background:var(--ink-deep)}
.card .thumb img{width:100%;height:100%;object-fit:cover;transition:transform 220ms var(--ease)}
.card:hover .thumb img{transform:scale(1.03)}
.card .thumb::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(11,12,34,.05),rgba(11,12,34,.5));
  transition:opacity 220ms var(--ease);
}
.card:hover .thumb::after{opacity:.7}
.card .thumb .badge{
  position:absolute;top:10px;left:10px;z-index:2;
  font-size:12px;padding:4px 10px;border-radius:999px;
  background:rgba(122,92,255,.85);color:#F1EEFF;font-weight:500;
}
.card .body{padding:16px 16px 18px;display:flex;flex-direction:column;flex:1;gap:10px}
.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}
.card .body p{font-size:14px;color:var(--mist);line-height:1.7;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.card .meta{
  display:flex;align-items:center;gap:10px;font-size:12.5px;color:var(--mist);
  font-family:var(--mono);font-variant-numeric:tabular-nums;margin-top:auto;
}
.card .meta time{color:var(--stardust)}
.card .act{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13.5px;font-weight:700;color:var(--aurora);
  border-top:1px solid var(--line-dim);padding-top:12px;margin-top:2px;
}
.card .act svg{transition:transform 180ms var(--ease)}
.card:hover .act svg{transform:translateX(3px)}

/* ---------- 参与流程 ---------- */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px}
.flow-item{
  background:var(--ink-deep);
  border:1px solid var(--line-dim);
  border-radius:var(--r-card);
  padding:26px 22px;
  position:relative;
}
.flow-item .idx{
  font-family:var(--mono);font-size:13px;color:var(--aurora);
  display:inline-block;padding:2px 9px;border:1px solid rgba(47,211,193,.35);border-radius:999px;margin-bottom:16px;
}
.flow-item h3{font-size:18px;margin-bottom:10px}
.flow-item p{font-size:14.5px;color:var(--mist);line-height:1.8}

/* ---------- 星友回声 ---------- */
.voices{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.voice{
  background:var(--ink-soft);border:1px solid var(--line-dim);border-radius:var(--r-card);
  padding:24px;box-shadow:var(--sh-1);display:flex;flex-direction:column;gap:16px;
}
.voice p{font-size:15px;color:#DCDEF2;line-height:1.85}
.voice .who{display:flex;align-items:center;gap:12px;margin-top:auto;border-top:1px solid var(--line-dim);padding-top:14px}
.voice .avatar{
  width:38px;height:38px;border-radius:50%;flex:none;
  background:linear-gradient(135deg,rgba(47,211,193,.35),rgba(122,92,255,.4));
  display:flex;align-items:center;justify-content:center;font-weight:700;font-size:14px;color:#0E1030;
}
.voice .who b{display:block;font-size:14.5px;font-weight:700}
.voice .who span{font-size:12.5px;color:var(--mist);font-family:var(--mono)}

/* ---------- FAQ ---------- */
.faq{max-width:920px;margin:0 auto}
.faq-item{
  background:var(--ink-soft);border:1px solid var(--line-dim);border-radius:14px;
  margin-bottom:12px;overflow:hidden;transition:border-color 200ms var(--ease);
}
.faq-item.open{border-color:rgba(47,211,193,.4)}
.faq-q{
  width:100%;background:transparent;border:0;cursor:pointer;
  display:flex;align-items:center;gap:16px;text-align:left;
  padding:18px 20px;color:#EDEEF8;font-size:17px;font-weight:500;line-height:1.6;
}
.faq-q .arrow{margin-left:auto;flex:none;width:18px;height:18px;transition:transform 160ms var(--ease);color:var(--aurora)}
.faq-item.open .faq-q .arrow{transform:rotate(180deg)}
.faq-a{
  max-height:0;overflow:hidden;
  transition:max-height 260ms var(--ease);
}
.faq-a .inner{
  padding:0 20px 20px 38px;margin-left:18px;border-left:2px solid var(--aurora);
  font-size:15px;line-height:1.85;color:var(--mist);
}

/* ---------- CTA 条带 ---------- */
.cta-band{
  background:linear-gradient(90deg,rgba(47,211,193,.08),rgba(122,92,255,.06) 55%,rgba(11,12,34,0) 100%);
  border-top:1px solid var(--line-dim);border-bottom:1px solid var(--line-dim);
  padding:56px 0;
}
.cta-inner{display:flex;align-items:center;gap:32px;flex-wrap:wrap}
.cta-inner h2{font-size:26px;margin-bottom:8px}
.cta-inner p{color:var(--mist);font-size:15.5px;max-width:620px}
.cta-actions{margin-left:auto;display:flex;gap:14px;flex-wrap:wrap}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-btn);font-size:15px;font-weight:700;
  padding:12px 22px;border:1px solid transparent;cursor:pointer;
  transition:transform 160ms var(--ease),box-shadow 160ms var(--ease),border-color 160ms var(--ease),filter 160ms var(--ease),background 160ms var(--ease);
}
.btn-primary{background:var(--aurora);color:#0E1030;box-shadow:0 8px 20px rgba(47,211,193,.24)}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 14px 30px rgba(47,211,193,.32)}
.btn-primary:active{transform:translateY(1px)}
.btn-ghost{background:transparent;color:#E8E9F5;border-color:var(--line-dim)}
.btn-ghost:hover{border-color:var(--aurora);color:var(--aurora)}
.btn-ghost:active{transform:translateY(1px)}

.related-cats{display:flex;gap:12px;flex-wrap:wrap;margin-top:26px}
.related-cats a{
  display:inline-flex;align-items:center;gap:8px;font-size:14.5px;
  padding:9px 16px;border-radius:999px;border:1px solid var(--line-dim);
  color:var(--mist);background:rgba(255,255,255,.02);
  transition:color 160ms var(--ease),border-color 160ms var(--ease),background 160ms var(--ease);
}
.related-cats a:hover{color:var(--aurora);border-color:rgba(47,211,193,.45);background:rgba(47,211,193,.06)}

/* ---------- Toast ---------- */
.toast{
  position:fixed;left:50%;bottom:32px;transform:translate(-50%,20px);
  background:var(--ink-soft);border:1px solid var(--line-dim);color:#EDEEF8;
  font-size:14px;padding:12px 20px;border-radius:999px;box-shadow:var(--sh-2);
  opacity:0;pointer-events:none;z-index:120;transition:opacity 220ms var(--ease),transform 220ms var(--ease);
}
.toast.show{opacity:1;transform:translate(-50%,0)}

/* ---------- 页脚 ---------- */
.site-footer{border-top:1px solid var(--line-dim);padding-top:32px;background:var(--ink-night)}
.foot-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;padding:32px 0 40px}
.foot-brand{display:flex;align-items:center;gap:10px;font-weight:800;font-size:17px;margin-bottom:14px}
.foot-col p{font-size:14px;color:var(--mist);line-height:1.85;margin-bottom:10px}
.foot-col h4{font-size:14px;color:#EDEEF8;font-weight:700;margin-bottom:16px;letter-spacing:.02em}
.foot-col a{display:block;font-size:14px;color:var(--mist);padding:5px 0;transition:color 160ms var(--ease),transform 160ms var(--ease)}
.foot-col a:hover{color:var(--aurora);transform:translateX(3px)}
.foot-bottom{
  border-top:1px solid var(--line-dim);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:20px 0 32px;font-size:13.5px;color:var(--mist);
}
.foot-bottom a{color:var(--aurora)}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .wall{grid-template-columns:repeat(3,1fr)}
  .intro-grid{gap:36px}
}
@media (max-width:1023px){
  .nav-links{
    position:fixed;inset:68px 0 0 0;background:var(--ink-night);
    flex-direction:column;align-items:stretch;gap:0;
    padding:24px;transform:translateY(-12px);opacity:0;pointer-events:none;
    transition:opacity 200ms var(--ease),transform 200ms var(--ease);
    overflow-y:auto;
  }
  .nav-links.open{opacity:1;transform:none;pointer-events:auto}
  .nav-links a{font-size:20px;padding:16px 4px;border-radius:10px;border-bottom:1px solid var(--line-dim)}
  .nav-links a.active::after{display:none}
  .nav-toggle{display:block}
  .nav .nav-cta{margin-left:12px;padding:10px 14px;font-size:13.5px}
  .topbar time{width:100%;margin-left:0}
  .page-banner h1{font-size:34px}
  .stats{grid-template-columns:repeat(2,1fr);gap:20px}
  .intro-grid{grid-template-columns:1fr}
  .flow{grid-template-columns:repeat(2,1fr)}
  .voices{grid-template-columns:1fr}
  .section{padding:72px 0}
}
@media (max-width:767px){
  body{font-size:17px;line-height:1.95}
  .container{padding:0 18px}
  .section{padding:56px 0}
  .page-banner{padding:96px 0 40px;min-height:260px}
  .page-banner h1{font-size:28px}
  .banner-sub{font-size:15.5px}
  .head h2{font-size:24px}
  .head h2::before{height:22px;top:6px}
  .wall{grid-template-columns:1fr;gap:18px}
  .flow{grid-template-columns:1fr}
  .stats{grid-template-columns:1fr 1fr;padding:24px 0}
  .stat b{font-size:24px}
  .cta-inner{flex-direction:column;align-items:flex-start}
  .cta-actions{margin-left:0;width:100%}
  .cta-actions .btn{flex:1}
  .foot-grid{grid-template-columns:1fr 1fr;gap:24px}
  .foot-bottom{flex-direction:column;text-align:center}
  .faq-q{font-size:15.5px;padding:16px}
  .faq-a .inner{padding:0 16px 18px 30px}
}
@media (max-width:520px){
  .stats{grid-template-columns:1fr}
  .foot-grid{grid-template-columns:1fr}
  .nav .nav-cta{display:none}
  .brand .sub{display:none}
}