/* roulang page: index */
:root{
  --bg-0:#0A0613;
  --bg-1:#130B22;
  --surface:#1C1230;
  --surface-2:#241640;
  --brand:#A855F7;
  --brand-2:#7C4DFF;
  --accent:#26E0E8;
  --lime:#D6FF3F;
  --text-0:#F5F2FF;
  --text-1:#C6BBDD;
  --text-2:#8E82AC;
  --line:rgba(168,85,247,.22);
  --line-strong:rgba(168,85,247,.5);
  --grad-brand:linear-gradient(135deg,#7C4DFF 0%,#A855F7 55%,#26E0E8 100%);
  --glow:0 0 0 1px rgba(168,85,247,.35),0 0 24px rgba(168,85,247,.28);
  --shadow-card:0 18px 48px rgba(12,4,26,.55);
  --radius-card:20px;
  --radius-sm:16px;
  --radius-lg:28px;
  --radius-pill:999px;
  --container:1200px;
  --nav-h:68px;
  --tr:.25s ease;
  --font:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC","Noto Sans SC",sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-0);
  font-family:var(--font);
  font-size:16.5px;
  line-height:1.8;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
h1,h2,h3,h4,p,figure,blockquote,ul,ol{margin:0;padding:0;}
ul,ol{list-style:none;}
img{max-width:100%;display:block;border-radius:var(--radius-sm);}
a{color:inherit;text-decoration:none;background:transparent;}
a:focus-visible,button:focus-visible,summary:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
input{font:inherit;}
::selection{background:rgba(168,85,247,.4);}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}
.grid-x.grid-margin-x{margin-left:-12px;margin-right:-12px;}
.grid-x.grid-margin-x>.cell{padding-left:12px;padding-right:12px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:120;
  background:rgba(10,6,19,.86);
  -webkit-backdrop-filter:blur(12px);
  backdrop-filter:blur(12px);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,rgba(124,77,255,0),rgba(168,85,247,.75),rgba(38,224,232,.75),rgba(38,224,232,0));
}
.nav-inner{
  height:var(--nav-h);
  display:flex;align-items:center;justify-content:space-between;gap:20px;
}
.brand{display:flex;align-items:center;gap:12px;min-height:44px;}
.brand__mark{
  width:36px;height:36px;border-radius:12px;flex:0 0 36px;
  background:var(--grad-brand);
  display:grid;place-items:center;
  box-shadow:0 0 0 1px rgba(168,85,247,.35),0 0 18px rgba(168,85,247,.35);
  position:relative;overflow:hidden;
}
.brand__mark span{display:block;width:12px;height:16px;border:2px solid #fff;border-radius:3px;position:relative;}
.brand__mark span::after{content:"";position:absolute;right:-7px;top:5px;width:5px;height:2px;background:#fff;border-radius:2px;}
.brand__text{font-size:17px;font-weight:800;letter-spacing:.01em;line-height:1.2;color:var(--text-0);}
.brand__text small{display:block;font-size:11px;font-weight:500;letter-spacing:.08em;color:var(--text-2);}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-link{
  display:inline-flex;align-items:center;min-height:44px;padding:0 14px;
  font-size:15px;font-weight:600;color:var(--text-1);border-radius:var(--radius-pill);
  position:relative;transition:color var(--tr),background var(--tr);
}
.nav-link:hover{color:#fff;background:rgba(168,85,247,.12);}
.nav-link.is-active{color:#fff;}
.nav-link.is-active::after{
  content:"";position:absolute;left:14px;right:14px;bottom:8px;height:2px;border-radius:2px;
  background:linear-gradient(90deg,var(--brand),var(--accent));
  box-shadow:0 0 12px rgba(168,85,247,.8);
}
.nav-tools{display:flex;align-items:center;gap:10px;}
.icon-btn{
  width:44px;height:44px;border-radius:50%;border:1px solid var(--line);
  display:grid;place-items:center;color:var(--text-1);
  transition:color var(--tr),border-color var(--tr),background var(--tr);
}
.icon-btn:hover{color:#fff;border-color:var(--accent);background:rgba(38,224,232,.1);}
.nav-cta{display:inline-flex;}
.burger{
  width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  display:none;place-items:center;color:var(--accent);
}
.burger i{font-size:18px;}

.drawer-mask{
  position:fixed;inset:0;background:rgba(6,2,14,.7);opacity:0;visibility:hidden;
  transition:opacity var(--tr),visibility var(--tr);z-index:130;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);z-index:140;
  background:var(--bg-1);border-left:1px solid var(--line);
  transform:translateX(102%);transition:transform .32s cubic-bezier(.22,.8,.3,1);
  padding:22px 20px 32px;display:flex;flex-direction:column;gap:8px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:12px;}
.drawer__close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);display:grid;place-items:center;color:var(--text-1);}
.drawer__link{
  display:flex;align-items:center;min-height:48px;padding:0 14px;border-radius:12px;
  color:var(--text-1);font-weight:600;border-left:3px solid transparent;
  transition:color var(--tr),background var(--tr),border-color var(--tr);
}
.drawer__link:hover{color:#fff;background:var(--surface);}
.drawer__link.is-active{color:#fff;background:var(--surface);border-left-color:var(--accent);}
.drawer__cta{margin-top:16px;}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 26px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:700;letter-spacing:.02em;border:1px solid transparent;
  transition:transform var(--tr),box-shadow var(--tr),background var(--tr),color var(--tr),border-color var(--tr),filter var(--tr);
  cursor:pointer;
}
.btn i{font-size:14px;}
.btn--primary{background:var(--grad-brand);color:#fff;box-shadow:0 10px 30px rgba(124,77,255,.34);}
.btn--primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:var(--glow),0 14px 34px rgba(124,77,255,.4);}
.btn--primary:active{transform:translateY(0);}
.btn--ghost{background:transparent;border-color:rgba(38,224,232,.55);color:var(--text-0);}
.btn--ghost:hover{background:rgba(38,224,232,.12);border-color:var(--accent);transform:translateY(-2px);}
.btn--light{background:#fff;color:#4B1FA8;box-shadow:0 10px 30px rgba(6,2,14,.35);}
.btn--light:hover{transform:translateY(-2px);background:#F3EEFF;}
.btn--outline-light{background:transparent;border-color:rgba(255,255,255,.6);color:#fff;}
.btn--outline-light:hover{background:rgba(255,255,255,.14);transform:translateY(-2px);}
.text-link{color:var(--accent);font-weight:700;font-size:14px;display:inline-flex;align-items:center;gap:6px;transition:gap var(--tr),color var(--tr);}
.text-link:hover{gap:10px;color:#7DF3F8;}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:92px 0 88px;min-height:600px;display:flex;align-items:center;}
.hero__bg{position:absolute;inset:0;background-image:url('/assets/images/backpic/back-1.png');background-size:cover;background-position:center;}
.hero__overlay{position:absolute;inset:0;background:linear-gradient(135deg,rgba(124,77,255,.82) 0%,rgba(168,85,247,.62) 48%,rgba(38,224,232,.5) 100%);}
.hero__veil{position:absolute;inset:0;background:radial-gradient(120% 100% at 8% 15%,rgba(10,6,19,.28),rgba(10,6,19,.88) 72%);}
.hero__fade{position:absolute;left:0;right:0;bottom:0;height:170px;background:linear-gradient(to bottom,rgba(10,6,19,0),var(--bg-0));}
.hero__inner{position:relative;z-index:2;width:100%;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;
  letter-spacing:.12em;color:var(--text-0);text-transform:uppercase;
  border:1px solid rgba(255,255,255,.28);border-radius:var(--radius-pill);
  padding:7px 16px;background:rgba(10,6,19,.32);
}
.eyebrow::before{content:"";width:6px;height:6px;border-radius:50%;background:var(--lime);box-shadow:0 0 10px var(--lime);}
.hero h1{
  margin:22px 0 0;font-size:clamp(30px,4.6vw,52px);font-weight:800;line-height:1.2;
  letter-spacing:-.01em;max-width:16ch;
}
.hero__sub{margin-top:16px;font-size:17px;color:var(--text-1);max-width:26ch;}
.hero__actions{margin-top:30px;display:flex;flex-wrap:wrap;gap:12px;}
.badge-row{margin-top:36px;display:flex;flex-wrap:wrap;gap:16px;}
.data-badge{
  display:flex;flex-direction:column;gap:2px;min-width:132px;
  padding:14px 18px;border-radius:var(--radius-sm);
  background:rgba(10,6,19,.5);border:1px solid rgba(168,85,247,.4);
  box-shadow:inset 0 0 18px rgba(168,85,247,.14);
}
.data-badge__num{font-size:28px;font-weight:800;line-height:1.1;color:var(--lime);}
.data-badge__num small{font-size:13px;font-weight:600;color:var(--text-1);margin-left:3px;}
.data-badge__label{font-size:12px;letter-spacing:.08em;color:var(--text-1);}
.hero-panel{
  background:rgba(19,11,34,.86);border:1px solid var(--line-strong);
  border-radius:var(--radius-lg);padding:26px;box-shadow:var(--shadow-card);
  display:none;
}
.hero-panel h2{font-size:17px;font-weight:700;margin-bottom:6px;}
.hero-panel p{font-size:13.5px;color:var(--text-2);margin-bottom:18px;}
.hero-panel ol{counter-reset:step;}
.hero-panel li{
  counter-increment:step;position:relative;padding:12px 0 12px 42px;
  border-top:1px solid var(--line);font-size:14.5px;color:var(--text-1);
}
.hero-panel li:first-child{border-top:0;}
.hero-panel li::before{
  content:counter(step,decimal-leading-zero);position:absolute;left:0;top:12px;
  width:28px;height:28px;border-radius:9px;display:grid;place-items:center;
  font-size:12px;font-weight:800;color:var(--accent);
  border:1px solid rgba(38,224,232,.45);background:rgba(38,224,232,.08);
}

/* ---------- 通用板块 ---------- */
.section{padding:104px 0;position:relative;}
.section--alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line);}
.section__head{max-width:720px;margin-bottom:52px;}
.section__title{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.3;letter-spacing:-.01em;}
.section__lead{margin-top:14px;color:var(--text-1);font-size:16px;max-width:62ch;}
.section__head--row{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;max-width:none;}

/* ---------- 痛点区 ---------- */
.pain-head h2{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.3;max-width:14ch;}
.pain-head p{margin-top:16px;color:var(--text-1);}
.pain-list{display:grid;grid-template-columns:repeat(2,1fr);gap:16px;}
.pain-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);
  padding:22px 20px;transition:transform var(--tr),border-color var(--tr),box-shadow var(--tr);
}
.pain-item:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-card);}
.pain-item__no{font-size:12px;font-weight:800;letter-spacing:.14em;color:var(--accent);}
.pain-item h3{font-size:16.5px;font-weight:700;margin:8px 0 6px;}
.pain-item p{font-size:14.5px;color:var(--text-1);line-height:1.7;}

/* ---------- 解决方案 ---------- */
.solution-figure{position:relative;}
.solution-figure img{width:100%;aspect-ratio:4/3;object-fit:cover;border-radius:var(--radius-lg);border:1px solid var(--line);}
.solution-figure figcaption{
  position:absolute;left:18px;bottom:18px;font-size:13px;color:var(--text-1);
  background:rgba(10,6,19,.72);border:1px solid var(--line);border-radius:var(--radius-pill);
  padding:8px 16px;
}
.solution-list{margin-top:8px;display:grid;gap:20px;}
.solution-item{position:relative;padding-left:24px;}
.solution-item::before{
  content:"";position:absolute;left:0;top:5px;bottom:5px;width:2px;border-radius:2px;
  background:var(--grad-brand);box-shadow:0 0 14px rgba(168,85,247,.6);
}
.solution-item h3{font-size:17px;font-weight:700;}
.solution-item h3 span{color:var(--accent);font-size:13px;font-weight:800;letter-spacing:.08em;margin-right:8px;}
.solution-item p{margin-top:6px;color:var(--text-1);font-size:14.5px;line-height:1.75;}

/* ---------- 数据墙 ---------- */
.stats-strip{
  position:relative;border-radius:var(--radius-lg);padding:44px 40px;overflow:hidden;
  background:var(--grad-brand);
  box-shadow:0 24px 60px rgba(124,77,255,.3);
}
.stats-strip::after{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.22) 1px,transparent 1px);
  background-size:18px 18px;opacity:.35;pointer-events:none;
}
.stat-wall{position:relative;z-index:2;display:grid;grid-template-columns:repeat(3,1fr);gap:16px;}
.stat{
  background:rgba(10,6,19,.58);border:1px solid rgba(255,255,255,.2);
  border-radius:var(--radius-sm);padding:20px;transition:transform var(--tr),background var(--tr);
}
.stat:hover{transform:translateY(-4px);background:rgba(10,6,19,.7);}
.stat__num{font-size:34px;font-weight:800;line-height:1.1;color:var(--lime);}
.stat__num small{font-size:14px;font-weight:600;color:rgba(245,242,255,.75);margin-left:3px;}
.stat__label{margin-top:6px;font-size:12px;letter-spacing:.1em;color:rgba(245,242,255,.8);}

/* ---------- 证言 ---------- */
.quote-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.quote-card{
  position:relative;background:var(--surface);border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:34px 30px 28px;overflow:hidden;
  transition:transform var(--tr),border-color var(--tr),box-shadow var(--tr);
}
.quote-card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-card);}
.quote-card::before{
  content:"”";position:absolute;right:22px;top:-6px;font-size:96px;line-height:1;
  font-family:Georgia,serif;color:rgba(168,85,247,.28);
}
.quote-card__body{font-size:15.5px;color:var(--text-0);line-height:1.85;max-width:36ch;}
.quote-meta{margin-top:22px;display:flex;align-items:center;gap:12px;border-top:1px solid var(--line);padding-top:18px;}
.avatar{
  width:44px;height:44px;border-radius:50%;flex:0 0 44px;display:grid;place-items:center;
  background:var(--grad-brand);color:#fff;font-weight:800;font-size:16px;
}
.quote-meta__name{font-size:15px;font-weight:700;}
.quote-meta__role{font-size:13px;color:var(--text-2);}
.quote-card--wide{grid-column:1 / -1;}
.quote-card--wide .quote-card__body{max-width:64ch;}

/* ---------- 最新信息（CMS 列表） ---------- */
.news-grid{display:flex;flex-wrap:wrap;}
.news-cell{display:flex;margin-bottom:24px;}
.card{
  display:flex;flex-direction:column;width:100%;height:100%;
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-card);
  overflow:hidden;transition:transform var(--tr),border-color var(--tr),box-shadow var(--tr);
}
.card:hover{transform:translateY(-4px);border-color:var(--line-strong);box-shadow:var(--shadow-card);}
.card__media{display:block;overflow:hidden;background:var(--surface-2);aspect-ratio:16/9;}
.card__media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .35s ease;}
.card:hover .card__media img{transform:scale(1.03);}
.card__body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1;}
.tag{
  align-self:flex-start;font-size:12px;font-weight:700;letter-spacing:.06em;
  color:var(--accent);border:1px solid rgba(38,224,232,.45);
  background:rgba(38,224,232,.08);border-radius:var(--radius-pill);padding:4px 12px;
}
.card__title{font-size:17px;font-weight:700;line-height:1.5;}
.card__title a{
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
  transition:color var(--tr);
}
.card:hover .card__title a{color:var(--accent);}
.card__desc{
  font-size:14.5px;color:var(--text-1);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.card__meta{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:12px;
}
.card__meta time{font-size:13px;color:var(--text-2);letter-spacing:.02em;}
.empty-state{
  border:1px dashed var(--line-strong);border-radius:var(--radius-card);
  padding:56px 24px;text-align:center;background:var(--surface);
}
.empty-state__icon{
  width:56px;height:56px;margin:0 auto 16px;border-radius:18px;
  display:grid;place-items:center;background:var(--grad-brand);color:#fff;font-size:22px;
}
.empty-state p{color:var(--text-1);font-size:15px;}
.empty-state .btn{margin-top:20px;}

/* ---------- FAQ ---------- */
.faq-side h2{font-size:clamp(24px,3vw,32px);font-weight:700;line-height:1.3;max-width:12ch;}
.faq-side p{margin-top:14px;color:var(--text-1);font-size:15px;max-width:34ch;}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:var(--radius-sm);
  margin-bottom:12px;overflow:hidden;transition:border-color var(--tr);
}
.faq-item:hover{border-color:var(--line-strong);}
.faq-item[open]{border-color:var(--line-strong);}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:19px 22px;font-size:16.5px;font-weight:600;min-height:44px;
}
.faq-item summary::-webkit-details-marker{display:none;}
.faq-item summary::after{
  content:"+";font-size:22px;font-weight:400;color:var(--accent);line-height:1;
  transition:transform var(--tr);
}
.faq-item[open] summary::after{content:"−";}
.faq-item__body{padding:0 22px 20px;color:var(--text-1);font-size:15px;line-height:1.8;max-width:70ch;}

/* ---------- CTA 带 ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);
  background:var(--grad-brand);
  padding:54px 52px;display:flex;align-items:center;justify-content:space-between;gap:36px;
  box-shadow:0 26px 64px rgba(124,77,255,.3);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:url('/assets/images/coverpic/cover-2.png');
  background-size:cover;background-position:center;opacity:.16;mix-blend-mode:luminosity;
}
.cta-band__text{position:relative;z-index:2;max-width:56ch;}
.cta-band h2{font-size:clamp(24px,3vw,34px);font-weight:800;line-height:1.28;color:#fff;}
.cta-band p{margin-top:10px;color:rgba(255,255,255,.9);font-size:16px;}
.cta-band__actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:12px;}
.cta-note{margin-top:18px;font-size:13px;color:var(--text-2);text-align:center;}

/* ---------- 页脚 ---------- */
.site-footer{position:relative;background:var(--bg-0);padding-top:78px;}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,rgba(124,77,255,0),rgba(168,85,247,.7),rgba(38,224,232,.7),rgba(38,224,232,0));
}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:56px;}
.footer-brand .brand{margin-bottom:18px;}
.footer-brand p{color:var(--text-1);font-size:14.5px;line-height:1.8;max-width:34ch;}
.footer-col h3{font-size:14px;font-weight:700;letter-spacing:.1em;color:var(--text-0);margin-bottom:18px;}
.footer-col ul{display:grid;gap:12px;}
.footer-col a{
  color:var(--text-1);font-size:14.5px;display:inline-flex;align-items:center;gap:8px;
  transition:color var(--tr),transform var(--tr);
}
.footer-col a:hover{color:var(--accent);transform:translateX(3px);}
.footer-col p{color:var(--text-1);font-size:14px;line-height:1.8;}
.footer-bottom{
  border-top:1px solid var(--line);padding:22px 0 30px;
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
}
.footer-bottom p{font-size:13px;color:var(--text-2);}
.footer-bottom .disclaimer{color:var(--text-2);font-size:12.5px;max-width:60ch;}

/* ---------- 响应式 ---------- */
@media (min-width:1024px){
  .hero-panel{display:block;}
}
@media (min-width:1280px){
  .hero{padding:110px 0 104px;}
}
@media (max-width:1279px){
  .section{padding:88px 0;}
  .stats-strip{padding:38px 32px;}
}
@media (max-width:1023px){
  .nav-links,.nav-cta{display:none;}
  .burger{display:grid;}
  :root{--nav-h:60px;}
  .hero{padding:72px 0 68px;min-height:auto;}
  .hero__veil{background:linear-gradient(180deg,rgba(10,6,19,.35),rgba(10,6,19,.9));}
  .quote-grid{grid-template-columns:1fr;}
  .quote-card--wide{grid-column:auto;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:44px 34px;}
}
@media (max-width:767px){
  body{font-size:16px;}
  .container{padding:0 18px;}
  .section{padding:64px 0;}
  .section__head{margin-bottom:34px;}
  .pain-list{grid-template-columns:1fr;}
  .stat-wall{grid-template-columns:repeat(2,1fr);}
  .badge-row{gap:12px;}
  .data-badge{min-width:calc(50% - 6px);}
  .hero h1{font-size:30px;}
  .hero__actions{flex-direction:column;align-items:stretch;}
  .hero__actions .btn{width:100%;}
  .stats-strip{padding:30px 22px;}
  .quote-card{padding:26px 22px;}
  .cta-band{padding:36px 24px;border-radius:var(--radius-card);}
  .cta-band__actions{width:100%;}
  .cta-band__actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .faq-item summary{font-size:15.5px;padding:17px 18px;}
  .faq-item__body{padding:0 18px 18px;}
}
@media (max-width:479px){
  .container{padding:0 16px;}
  .stat-wall{gap:12px;}
  .stat__num{font-size:28px;}
  .hero__overlay{background:linear-gradient(135deg,rgba(124,77,255,.9),rgba(38,224,232,.55));}
}

/* roulang page: article */
:root{
  --bg-0:#0A0613;
  --bg-1:#130B22;
  --surface:#1C1230;
  --surface-2:#241640;
  --brand:#A855F7;
  --brand-2:#7C4DFF;
  --accent:#26E0E8;
  --lime:#D6FF3F;
  --danger:#FF6B8A;
  --text-0:#F5F2FF;
  --text-1:#C6BBDD;
  --text-2:#8E82AC;
  --line:rgba(168,85,247,.22);
  --line-soft:rgba(168,85,247,.14);
  --grad-brand:linear-gradient(135deg,#7C4DFF 0%,#A855F7 55%,#26E0E8 100%);
  --radius-card:20px;
  --radius-lg:28px;
  --radius-pill:999px;
  --shadow-card:0 18px 48px rgba(12,4,26,.55);
  --shadow-lift:0 26px 62px rgba(12,4,26,.72);
  --glow-brand:0 0 0 1px rgba(168,85,247,.35),0 0 24px rgba(168,85,247,.28);
  --ease:.28s cubic-bezier(.4,0,.2,1);
  --container:1200px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-0);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-radius:16px;object-fit:cover;}
a{color:var(--accent);text-decoration:none;transition:color var(--ease),background-color var(--ease),border-color var(--ease),transform var(--ease),box-shadow var(--ease);}
a:hover{color:#8FF5F9;}
button{font:inherit;cursor:pointer;}
p{margin:0 0 1em;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px;}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px;}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(10,6,19,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.site-header::after{
  content:"";display:block;height:1px;
  background:linear-gradient(90deg,var(--brand-2) 0%,var(--brand) 45%,var(--accent) 100%);
  opacity:.75;
}
.nav-inner{display:flex;align-items:center;justify-content:space-between;gap:22px;height:68px;}
.brand{display:flex;align-items:center;gap:11px;color:var(--text-0);}
.brand:hover{color:var(--text-0);}
.brand__mark{
  position:relative;width:36px;height:36px;flex:0 0 36px;border-radius:12px;
  background:var(--grad-brand);display:grid;place-items:center;
  box-shadow:var(--glow-brand);
}
.brand__mark span{
  display:block;width:13px;height:15px;border:2px solid rgba(10,6,19,.9);
  border-bottom:0;border-radius:7px 7px 0 0;
}
.brand__text{display:flex;flex-direction:column;font-weight:700;font-size:17px;line-height:1.16;letter-spacing:.01em;}
.brand__text small{font-size:11px;font-weight:500;color:var(--text-2);letter-spacing:.09em;}
.nav-links{display:flex;align-items:center;gap:6px;}
.nav-link{
  position:relative;display:inline-flex;align-items:center;height:40px;padding:0 15px;
  border-radius:var(--radius-pill);font-size:15px;font-weight:600;color:var(--text-1);
}
.nav-link:hover{color:#fff;background:rgba(168,85,247,.12);}
.nav-link.is-active{color:#fff;text-shadow:0 0 14px rgba(168,85,247,.45);}
.nav-link.is-active::after{
  content:"";position:absolute;left:15px;right:15px;bottom:4px;height:2px;border-radius:2px;
  background:var(--grad-brand);box-shadow:0 0 12px rgba(38,224,232,.6);
}
.nav-actions{display:flex;align-items:center;gap:12px;}
.nav-search{
  width:42px;height:42px;display:grid;place-items:center;border-radius:50%;
  border:1px solid var(--line);background:transparent;color:var(--text-1);
  transition:all var(--ease);
}
.nav-search:hover{color:#fff;border-color:rgba(38,224,232,.55);background:rgba(38,224,232,.1);}
.nav-search svg{width:18px;height:18px;}
.nav-burger{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:transparent;place-items:center;padding:0;
}
.nav-burger span{display:block;width:20px;height:2px;border-radius:2px;background:var(--accent);box-shadow:0 6px 0 var(--accent),0 -6px 0 var(--accent);}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:var(--radius-pill);
  font-size:15px;font-weight:600;border:1px solid transparent;white-space:nowrap;
  transition:all var(--ease);
}
.btn--primary{background:var(--grad-brand);color:#fff;box-shadow:0 12px 28px rgba(124,77,255,.3);}
.btn--primary:hover{color:#fff;filter:brightness(1.07);transform:translateY(-2px);box-shadow:var(--glow-brand),0 16px 34px rgba(124,77,255,.34);}
.btn--ghost{background:transparent;border-color:rgba(38,224,232,.55);color:#fff;}
.btn--ghost:hover{background:rgba(38,224,232,.12);color:#fff;}
.btn--invert{background:#fff;color:#3B1170;box-shadow:0 12px 26px rgba(12,4,26,.28);}
.btn--invert:hover{color:#3B1170;transform:translateY(-2px);background:#F3ECFF;}
.btn--line{background:transparent;border-color:rgba(255,255,255,.6);color:#fff;}
.btn--line:hover{background:rgba(255,255,255,.14);color:#fff;}
.btn--sm{min-height:40px;padding:0 18px;font-size:14px;}

/* ============ 抽屉导航 ============ */
.drawer-mask{
  position:fixed;inset:0;background:rgba(6,2,14,.7);opacity:0;
  pointer-events:none;transition:opacity .3s ease;z-index:70;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(320px,86vw);z-index:80;
  background:var(--bg-1);border-left:1px solid var(--line);
  transform:translateX(100%);transition:transform .32s ease;
  padding:26px 22px 34px;display:flex;flex-direction:column;gap:16px;overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer .nav-links{flex-direction:column;align-items:stretch;gap:6px;}
.drawer .nav-link{height:48px;width:100%;justify-content:flex-start;border-radius:14px;padding:0 16px;}
.drawer .nav-link.is-active{background:rgba(168,85,247,.14);box-shadow:inset 3px 0 0 var(--accent);}
.drawer .nav-link.is-active::after{display:none;}
.drawer__close{
  position:absolute;top:18px;right:18px;width:40px;height:40px;border-radius:50%;
  border:1px solid var(--line);background:transparent;color:var(--text-1);font-size:20px;line-height:1;
}
.drawer__close:hover{color:#fff;border-color:rgba(38,224,232,.5);}

/* ============ 面包屑 ============ */
.breadcrumbs{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  padding:26px 0 6px;font-size:13.5px;color:var(--text-2);letter-spacing:.02em;
}
.breadcrumbs a{color:var(--text-2);}
.breadcrumbs a:hover{color:var(--accent);}
.crumb-sep{color:var(--text-2);opacity:.65;}
.crumb-current{
  color:var(--text-1);max-width:46ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
}

/* ============ 文章头部 ============ */
.article-head{max-width:880px;margin:0 auto;padding:22px 0 30px;border-bottom:1px solid var(--line);}
.article-head h1{
  font-size:clamp(28px,3.7vw,44px);font-weight:800;line-height:1.3;
  letter-spacing:-.01em;margin:0 0 18px;color:var(--text-0);
}
.article-meta{display:flex;flex-wrap:wrap;align-items:center;gap:9px;font-size:13.5px;color:var(--text-2);letter-spacing:.02em;}
.article-meta .meta-dot{opacity:.55;}
.article-meta .meta-cat{color:var(--accent);font-weight:600;}
.article-cover{
  max-width:880px;margin:30px auto 0;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid var(--line);box-shadow:var(--shadow-card);
}
.article-cover img{width:100%;height:auto;aspect-ratio:16/9;object-fit:cover;border-radius:0;}

/* ============ 正文排版 ============ */
.article-body{
  max-width:820px;margin:0 auto;padding:42px 0 0;
  font-size:16.5px;line-height:1.85;color:var(--text-1);
}
.article-body > *:first-child{margin-top:0;}
.article-body h2{
  position:relative;font-size:clamp(22px,2.4vw,28px);font-weight:700;line-height:1.35;
  color:var(--text-0);margin:2.1em 0 .8em;padding-left:16px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.24em;bottom:.24em;width:3px;border-radius:3px;
  background:var(--grad-brand);box-shadow:0 0 14px rgba(168,85,247,.5);
}
.article-body h3{font-size:19px;font-weight:700;line-height:1.5;color:var(--text-0);margin:1.8em 0 .6em;}
.article-body h4{font-size:17px;font-weight:700;color:var(--text-0);margin:1.6em 0 .5em;}
.article-body p{margin:0 0 1.2em;}
.article-body a{color:var(--accent);text-decoration:underline;text-underline-offset:4px;text-decoration-thickness:1px;text-decoration-color:rgba(38,224,232,.45);}
.article-body a:hover{color:#8FF5F9;}
.article-body strong{color:var(--text-0);font-weight:700;}
.article-body ul,.article-body ol{padding-left:1.35em;margin:0 0 1.3em;}
.article-body li{margin:.5em 0;}
.article-body li::marker{color:var(--brand);}
.article-body blockquote{
  margin:1.6em 0;padding:16px 20px;background:var(--surface);
  border-left:3px solid var(--accent);border-radius:0 14px 14px 0;
  color:var(--text-1);box-shadow:0 0 24px rgba(38,224,232,.08);
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body img{border-radius:18px;margin:1.6em auto;border:1px solid var(--line);}
.article-body figure{margin:1.8em 0;}
.article-body figcaption{font-size:13px;color:var(--text-2);text-align:center;margin-top:10px;}
.article-body hr{border:none;height:1px;background:var(--line);margin:2.4em 0;}
.article-body code{background:var(--surface-2);padding:2px 7px;border-radius:6px;font-size:.92em;color:var(--accent);}
.article-body pre{
  background:var(--surface-2);border:1px solid var(--line);border-radius:14px;
  padding:16px 18px;overflow-x:auto;margin:1.6em 0;
}
.article-body pre code{background:none;padding:0;}
.article-body table{
  display:block;width:100%;overflow-x:auto;border-collapse:collapse;
  margin:1.6em 0;font-size:15px;
}
.article-body th,.article-body td{border:1px solid var(--line);padding:10px 14px;text-align:left;white-space:nowrap;}
.article-body th{background:var(--surface-2);color:var(--text-0);font-weight:600;}

/* ============ 空态 ============ */
.empty-state{
  text-align:center;padding:60px 26px;border:1px dashed var(--line);
  border-radius:var(--radius-lg);background:var(--surface);
}
.empty-state__icon{
  width:58px;height:58px;margin:0 auto 20px;border-radius:18px;
  background:var(--grad-brand);opacity:.9;box-shadow:0 0 30px rgba(168,85,247,.35);
}
.empty-state h2{font-size:21px;margin:0 0 10px;color:var(--text-0);padding:0;}
.empty-state h2::before{display:none;}
.empty-state p{color:var(--text-2);font-size:15px;margin:0 0 22px;}

/* ============ 文末工具条 ============ */
.article-foot{
  max-width:820px;margin:48px auto 0;padding-top:26px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:18px;align-items:center;justify-content:space-between;
}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;border-radius:var(--radius-pill);
  font-size:13px;color:var(--accent);border:1px solid rgba(38,224,232,.42);
  background:rgba(38,224,232,.06);transition:all var(--ease);
}
.tag:hover{background:rgba(38,224,232,.16);color:#8FF5F9;}
.foot-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ============ 相关推荐 ============ */
.related{padding:78px 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:26px;}
.section-head h2{
  font-size:clamp(22px,2.6vw,30px);font-weight:700;line-height:1.3;margin:0;color:var(--text-0);
}
.link-more{display:inline-flex;align-items:center;gap:5px;font-size:14px;font-weight:600;color:var(--accent);}
.link-more:hover{gap:9px;color:#8FF5F9;}
.card-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.card{
  display:flex;flex-direction:column;overflow:hidden;background:var(--surface);
  border:1px solid var(--line);border-radius:var(--radius-card);box-shadow:var(--shadow-card);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lift);border-color:rgba(168,85,247,.45);}
.card__media{position:relative;overflow:hidden;aspect-ratio:16/9;background:var(--surface-2);}
.card__media img{width:100%;height:100%;object-fit:cover;border-radius:0;transition:transform .5s ease;}
.card:hover .card__media img{transform:scale(1.04);}
.card__body{padding:20px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card__tag{
  align-self:flex-start;font-size:12.5px;letter-spacing:.08em;color:var(--accent);
  border:1px solid rgba(38,224,232,.42);border-radius:var(--radius-pill);padding:3px 12px;
}
.card h3{font-size:17.5px;font-weight:700;line-height:1.5;margin:0;color:var(--text-0);}
.card:hover h3{color:var(--accent);}
.card__desc{font-size:14px;line-height:1.75;color:var(--text-1);margin:0;}
.card__foot{
  margin-top:auto;padding-top:14px;border-top:1px solid var(--line);
  display:flex;align-items:center;justify-content:space-between;gap:10px;
  font-size:13px;color:var(--text-2);
}

/* ============ CTA 带 ============ */
.cta-wrap{padding:86px 0 0;}
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-lg);background:var(--grad-brand);
  padding:44px 42px;display:flex;align-items:center;justify-content:space-between;gap:30px;
  box-shadow:0 24px 60px rgba(124,77,255,.28);
}
.cta-band::after{
  content:"";position:absolute;inset:0;pointer-events:none;opacity:.26;
  background-image:radial-gradient(rgba(255,255,255,.4) 1px,transparent 1px);
  background-size:18px 18px;
}
.cta-band__text{position:relative;z-index:1;max-width:620px;}
.cta-band__text h2{font-size:clamp(23px,2.8vw,32px);font-weight:800;line-height:1.28;margin:0 0 10px;color:#fff;}
.cta-band__text p{margin:0;font-size:15.5px;color:rgba(255,255,255,.9);}
.cta-band__actions{position:relative;z-index:1;display:flex;flex-wrap:wrap;gap:12px;}

/* ============ 页脚 ============ */
.site-footer{margin-top:96px;background:var(--bg-0);border-top:1px solid var(--line);position:relative;}
.site-footer::before{
  content:"";position:absolute;top:-1px;left:0;right:0;height:1px;
  background:linear-gradient(90deg,var(--brand-2),var(--accent));opacity:.7;
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.4fr;gap:36px;padding:62px 0 40px;}
.footer-brand p{color:var(--text-2);font-size:14px;line-height:1.75;margin:16px 0 0;max-width:34ch;}
.footer-col h3{font-size:14px;font-weight:600;letter-spacing:.08em;color:var(--text-0);margin:0 0 16px;}
.footer-col ul{list-style:none;padding:0;margin:0;display:flex;flex-direction:column;gap:10px;}
.footer-col a{color:var(--text-1);font-size:14.5px;}
.footer-col a:hover{color:var(--accent);}
.footer-col p{color:var(--text-2);font-size:14px;line-height:1.75;margin:0;}
.footer-bottom{
  border-top:1px solid var(--line);padding:22px 0 34px;
  display:flex;flex-wrap:wrap;gap:12px;justify-content:space-between;
  font-size:13px;color:var(--text-2);
}
.footer-bottom p{margin:0;}
.footer-bottom .disclaimer{max-width:52ch;}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .nav-links{display:none;}
  .nav-burger{display:grid;}
  .nav-actions .btn{display:none;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media (min-width:768px) and (max-width:1023px){
  .card-grid{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:767px){
  .container{padding:0 18px;}
  .nav-inner{height:56px;}
  .brand__text{font-size:15.5px;}
  .brand__text small{display:none;}
  .article-head h1{font-size:clamp(26px,7vw,32px);}
  .article-body{font-size:16px;padding-top:32px;}
  .card-grid{grid-template-columns:1fr;}
  .cta-band{flex-direction:column;align-items:flex-start;padding:34px 24px;}
  .cta-band__actions{width:100%;}
  .cta-band__actions .btn{flex:1 1 auto;}
  .article-foot{flex-direction:column;align-items:flex-start;}
  .footer-grid{grid-template-columns:1fr;gap:28px;padding:48px 0 32px;}
  .related{padding-top:60px;}
  .cta-wrap{padding-top:64px;}
  .site-footer{margin-top:72px;}
}
@media (max-width:479px){
  .container{padding:0 16px;}
  .crumb-current{max-width:26ch;}
  .btn{width:100%;}
  .foot-actions .btn{width:auto;flex:1 1 auto;}
}

/* roulang page: category1 */
:root{
  --bg-0:#0A0613;--bg-1:#130B22;--surface:#1C1230;--surface-2:#241640;
  --brand:#A855F7;--brand-2:#7C4DFF;--accent:#26E0E8;--lime:#D6FF3F;
  --text-0:#F5F2FF;--text-1:#C6BBDD;--text-2:#8E82AC;
  --line:rgba(168,85,247,.22);--line-strong:rgba(168,85,247,.55);
  --grad-brand:linear-gradient(135deg,#7C4DFF 0%,#A855F7 55%,#26E0E8 100%);
  --r-card:20px;--r-large:28px;--r-pill:999px;--r-sm:12px;
  --shadow-card:0 18px 48px rgba(12,4,26,.55);
  --shadow-hover:0 26px 64px rgba(12,4,26,.72);
  --glow:0 0 0 1px rgba(168,85,247,.35),0 0 24px rgba(168,85,247,.28);
  --container:1200px;--space-section:110px;
  --t:.28s cubic-bezier(.22,.61,.36,1);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;background:var(--bg-0);color:var(--text-1);
  font-family:system-ui,-apple-system,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:17px;line-height:1.8;letter-spacing:.01em;overflow-x:hidden;
}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;padding:0}
ul,ol{list-style:none}
a{color:inherit;text-decoration:none;transition:color var(--t),background-color var(--t),border-color var(--t),transform var(--t)}
img{display:block;max-width:100%;border-radius:16px;object-fit:cover}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:8px}
.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 24px}
.numeric{font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:rgba(10,6,19,.86);
  -webkit-backdrop-filter:blur(12px);backdrop-filter:blur(12px);
}
.site-header::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:1px;
  background:linear-gradient(90deg,rgba(124,77,255,.75),rgba(168,85,247,.45) 45%,rgba(38,224,232,.55) 75%,transparent);
}
.header-inner{display:flex;align-items:center;gap:22px;height:68px}
.brand{display:flex;align-items:center;gap:12px;flex:0 0 auto}
.brand__mark{
  width:34px;height:34px;border-radius:11px;background:var(--grad-brand);
  display:grid;place-items:center;box-shadow:0 0 18px rgba(168,85,247,.42);flex:0 0 auto;
}
.brand__mark span{width:11px;height:15px;border:2px solid rgba(10,6,19,.82);border-radius:4px;display:block}
.brand__text{display:flex;flex-direction:column;line-height:1.15;font-size:16px;font-weight:800;color:var(--text-0);letter-spacing:.01em}
.brand__text small{font-size:11px;font-weight:500;color:var(--text-2);letter-spacing:.08em;margin-top:2px}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:auto}
.nav-link{
  position:relative;padding:10px 14px;border-radius:10px;font-size:15px;font-weight:600;
  color:var(--text-1);min-height:44px;display:inline-flex;align-items:center;
}
.nav-link::after{
  content:"";position:absolute;left:14px;right:14px;bottom:4px;height:2px;border-radius:2px;
  background:var(--grad-brand);opacity:0;transform:scaleX(.4);transition:opacity var(--t),transform var(--t);
}
.nav-link:hover{color:var(--text-0)}
.nav-link:hover::after{opacity:.8;transform:scaleX(1)}
.nav-link.is-active{color:#fff;text-shadow:0 0 14px rgba(168,85,247,.6)}
.nav-link.is-active::after{opacity:1;transform:scaleX(1);box-shadow:0 0 12px rgba(38,224,232,.55)}
.header-cta{
  margin-left:6px;padding:11px 20px;border-radius:var(--r-pill);background:var(--grad-brand);
  color:#fff;font-size:14px;font-weight:700;display:inline-flex;align-items:center;min-height:44px;
  box-shadow:0 10px 26px rgba(124,77,255,.35);transition:filter var(--t),box-shadow var(--t),transform var(--t);
}
.header-cta:hover{filter:brightness(1.1);box-shadow:0 0 0 1px rgba(168,85,247,.4),0 0 24px rgba(168,85,247,.35);transform:translateY(-1px)}
.search-dot{
  width:44px;height:44px;border-radius:var(--r-pill);border:1px solid var(--line);
  display:grid;place-items:center;color:var(--text-1);background:rgba(28,18,48,.6);
}
.search-dot:hover{color:var(--accent);border-color:rgba(38,224,232,.5)}
.search-dot svg{width:17px;height:17px}
.nav-toggle{
  display:none;width:44px;height:44px;border-radius:12px;border:1px solid var(--line);
  background:rgba(28,18,48,.6);place-items:center;gap:5px;
}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:var(--accent)}
.drawer{
  position:fixed;top:0;right:0;z-index:90;height:100%;width:min(320px,86%);
  background:var(--bg-1);border-left:1px solid var(--line);padding:26px 22px;
  transform:translateX(105%);transition:transform var(--t);overflow-y:auto;
}
.drawer.is-open{transform:none}
.drawer__head{display:flex;align-items:center;justify-content:space-between;margin-bottom:22px}
.drawer__close{width:44px;height:44px;border-radius:12px;border:1px solid var(--line);color:var(--text-1);font-size:20px;display:grid;place-items:center}
.drawer nav{display:flex;flex-direction:column;gap:6px}
.drawer nav a{
  padding:14px 14px;border-radius:12px;font-size:16px;font-weight:600;color:var(--text-1);
  border-left:3px solid transparent;min-height:44px;display:flex;align-items:center;
}
.drawer nav a:hover{background:var(--surface-2);color:var(--text-0)}
.drawer nav a.is-active{color:#fff;border-left-color:var(--brand);background:rgba(168,85,247,.14);box-shadow:0 0 20px rgba(168,85,247,.2)}
.drawer .header-cta{margin:22px 0 0;width:100%;justify-content:center}
.drawer-mask{
  position:fixed;inset:0;z-index:80;background:rgba(6,2,14,.7);
  opacity:0;visibility:hidden;transition:opacity var(--t),visibility var(--t);
}
.drawer-mask.is-open{opacity:1;visibility:visible}

/* ---------- page hero ---------- */
.page-hero{
  position:relative;padding:56px 0 76px;
  background-image:linear-gradient(120deg,rgba(10,6,19,.9),rgba(19,11,34,.82) 55%,rgba(124,77,255,.32)),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;left:0;right:0;bottom:0;height:150px;
  background:linear-gradient(180deg,transparent,var(--bg-0));pointer-events:none;
}
.page-hero .container{position:relative;z-index:2}
.breadcrumb{font-size:13.5px;color:var(--text-2);letter-spacing:.02em;display:flex;flex-wrap:wrap;align-items:center;gap:8px;margin-bottom:26px}
.breadcrumb a:hover{color:var(--accent)}
.breadcrumb .sep{color:var(--text-2);opacity:.7}
.breadcrumb .current{color:var(--text-1);max-width:60%;white-space:nowrap;overflow:hidden;text-overflow:ellipsis}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:var(--r-pill);
  border:1px solid rgba(38,224,232,.45);color:var(--accent);font-size:13px;font-weight:600;letter-spacing:.1em;
  background:rgba(38,224,232,.06);margin-bottom:20px;
}
h1{
  font-size:clamp(30px,4.6vw,52px);font-weight:800;line-height:1.2;letter-spacing:-.01em;
  color:var(--text-0);max-width:20ch;
}
.lede{margin-top:20px;max-width:70ch;color:var(--text-1);font-size:17px;line-height:1.85}
.stat-row{display:flex;flex-wrap:wrap;gap:16px;margin-top:34px}
.stat-badge{
  min-width:168px;padding:16px 22px;border-radius:18px;display:flex;flex-direction:column;gap:4px;
  border:1px solid transparent;
  background-image:linear-gradient(var(--surface),var(--surface)),var(--grad-brand);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:0 0 22px rgba(168,85,247,.18);
}
.stat-badge b{font-size:30px;font-weight:800;line-height:1.1;color:var(--lime);font-variant-numeric:tabular-nums}
.stat-badge b em{font-style:normal;font-size:14px;font-weight:600;color:var(--text-1);margin-left:4px}
.stat-badge span{font-size:12.5px;letter-spacing:.08em;color:var(--text-2)}

/* ---------- sections ---------- */
.section{padding:var(--space-section) 0;position:relative}
.section--alt{background:var(--bg-1);border-top:1px solid var(--line);border-bottom:1px solid var(--line)}
.section-head{max-width:64ch;margin-bottom:44px}
.section-head h2{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.3;color:var(--text-0)}
.section-head p{margin-top:14px;color:var(--text-1)}

/* ---------- category layout ---------- */
.category-layout{margin-top:0}
.subnav{
  position:sticky;top:96px;padding:22px;border-radius:var(--r-card);
  background:var(--surface);border:1px solid var(--line);box-shadow:var(--shadow-card);
}
.subnav__title{font-size:12px;letter-spacing:.16em;color:var(--text-2);margin-bottom:14px}
.subnav a{
  display:block;padding:11px 12px;border-radius:12px;font-size:15px;font-weight:600;color:var(--text-1);
  border-left:3px solid transparent;min-height:44px;
}
.subnav a:hover{background:var(--surface-2);color:var(--text-0)}
.subnav a.is-current{color:#fff;border-left-color:var(--brand);background:rgba(168,85,247,.13);box-shadow:0 0 18px rgba(168,85,247,.2)}
.subnav__tip{margin-top:20px;padding:16px;border-radius:16px;background:var(--surface-2);border:1px dashed var(--line)}
.subnav__tip strong{display:block;color:var(--text-0);font-size:14px;margin-bottom:6px}
.subnav__tip p{font-size:13.5px;color:var(--text-1);line-height:1.7}

/* ---------- info blocks ---------- */
.info-block{
  padding:26px;border-radius:var(--r-large);background:var(--surface);border:1px solid var(--line);
  box-shadow:var(--shadow-card);margin-bottom:30px;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.info-block:last-child{margin-bottom:0}
.info-block:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:var(--line-strong)}
.info-block__inner{align-items:center}
.info-block__media{margin-bottom:18px}
.info-block__media img{width:100%;aspect-ratio:16/11;border-radius:18px;background:var(--surface-2)}
.info-block__body h2{font-size:clamp(21px,2.3vw,29px);font-weight:700;line-height:1.35;color:var(--text-0);margin:14px 0 14px}
.info-block__body p{color:var(--text-1);font-size:16.5px;line-height:1.85}
.tag{
  display:inline-flex;align-items:center;padding:5px 14px;border-radius:var(--r-pill);
  border:1px solid rgba(38,224,232,.45);color:var(--accent);font-size:12.5px;font-weight:600;letter-spacing:.06em;
  background:rgba(38,224,232,.07);
}
.point-list{margin:20px 0 22px;display:flex;flex-direction:column;gap:12px}
.point-list li{position:relative;padding-left:24px;font-size:15.5px;line-height:1.75;color:var(--text-1)}
.point-list li::before{
  content:"";position:absolute;left:0;top:11px;width:10px;height:2px;border-radius:2px;
  background:var(--grad-brand);box-shadow:0 0 10px rgba(168,85,247,.6);
}
.link-arrow{
  display:inline-flex;align-items:center;gap:8px;color:var(--accent);font-weight:600;font-size:15px;min-height:44px;
}
.link-arrow svg{width:14px;height:14px;transition:transform var(--t)}
.link-arrow:hover{color:#fff}
.link-arrow:hover svg{transform:translateX(5px)}

/* ---------- faq ---------- */
.faq-layout{align-items:flex-start}
.faq-intro h2{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.3;color:var(--text-0)}
.faq-intro p{margin-top:16px;color:var(--text-1)}
.faq-intro .link-arrow{margin-top:10px}
.faq-item{
  background:var(--surface);border:1px solid var(--line);border-radius:16px;margin-bottom:14px;overflow:hidden;
  transition:border-color var(--t),box-shadow var(--t);
}
.faq-item.is-open{border-color:var(--line-strong);box-shadow:0 0 0 1px rgba(168,85,247,.25),0 14px 40px rgba(12,4,26,.5)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:18px 20px;text-align:left;font-size:16.5px;font-weight:600;color:var(--text-0);min-height:44px;
}
.faq-q:hover{color:#fff}
.faq-q .ico{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;border:1px solid rgba(38,224,232,.5);
  color:var(--accent);display:grid;place-items:center;font-size:16px;line-height:1;
  transition:transform var(--t),background-color var(--t);
}
.faq-item.is-open .faq-q .ico{transform:rotate(45deg);background:rgba(38,224,232,.12)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .38s ease}
.faq-item.is-open .faq-a{max-height:360px}
.faq-a p{padding:0 20px 20px;color:var(--text-1);font-size:15.5px;line-height:1.78}

/* ---------- cta ---------- */
.cta-section{padding:0 0 var(--space-section)}
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-large);background:var(--grad-brand);
  padding:52px 48px;display:flex;align-items:center;justify-content:space-between;gap:36px;
  box-shadow:0 28px 70px rgba(124,77,255,.32);
}
.cta-band::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(rgba(255,255,255,.18) 1px,transparent 1px);
  background-size:18px 18px;opacity:.55;
}
.cta-band__text{position:relative;z-index:2;max-width:60ch}
.cta-band h2{font-size:clamp(22px,2.7vw,32px);font-weight:800;color:#fff;line-height:1.3}
.cta-band p{margin-top:12px;color:rgba(255,255,255,.9);font-size:16px}
.cta-band__actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px;flex:0 0 auto}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:14px 26px;
  border-radius:var(--r-pill);font-size:15px;font-weight:700;min-height:44px;
  transition:transform var(--t),filter var(--t),box-shadow var(--t),background-color var(--t),color var(--t);
}
.btn--solid{background:#fff;color:#4C1D95;box-shadow:0 12px 30px rgba(10,6,19,.28)}
.btn--solid:hover{transform:translateY(-2px);filter:brightness(1.04)}
.btn--outline{border:1px solid rgba(255,255,255,.75);color:#fff}
.btn--outline:hover{background:rgba(255,255,255,.14);transform:translateY(-2px)}
.cta-note{position:relative;z-index:2}

/* ---------- footer ---------- */
.site-footer{background:var(--bg-0);border-top:1px solid var(--line);position:relative;padding:72px 0 0}
.site-footer::before{
  content:"";position:absolute;left:0;right:0;top:0;height:1px;
  background:linear-gradient(90deg,transparent,rgba(168,85,247,.7),rgba(38,224,232,.6),transparent);
}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.3fr;gap:38px;padding-bottom:52px}
.footer-brand .brand{margin-bottom:18px}
.footer-brand p{color:var(--text-2);font-size:14.5px;line-height:1.8;max-width:38ch}
.footer-col h3{font-size:15px;font-weight:700;color:var(--text-0);margin-bottom:16px;letter-spacing:.04em}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{color:var(--text-1);font-size:14.5px}
.footer-col a:hover{color:var(--accent)}
.footer-col p{color:var(--text-2);font-size:14px;line-height:1.8}
.footer-bottom{
  border-top:1px solid var(--line);padding:22px 0 28px;display:flex;flex-wrap:wrap;gap:10px;
  justify-content:space-between;color:var(--text-2);font-size:13.5px;
}
.footer-bottom .disclaimer{color:var(--text-2);opacity:.85}

/* ---------- responsive ---------- */
@media screen and (min-width:1024px){
  .info-block:nth-child(even) .info-block__media{order:2}
  .info-block .info-block__media{margin-bottom:0}
}
@media screen and (max-width:1279px){
  :root{--space-section:92px}
  .container{padding:0 24px}
  .cta-band{padding:44px 36px}
}
@media screen and (max-width:1023px){
  :root{--space-section:78px}
  .nav-links{display:none}
  .header-cta{display:none}
  .nav-toggle{display:grid;margin-left:auto}
  .search-dot{display:none}
  .subnav{position:static;margin-bottom:26px}
  .subnav ul{display:flex;flex-wrap:wrap;gap:8px}
  .subnav a{border-left:0;border:1px solid var(--line);border-radius:var(--r-pill);padding:9px 16px;font-size:14px}
  .subnav a.is-current{border-color:rgba(38,224,232,.6);background:rgba(168,85,247,.14)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media screen and (max-width:767px){
  :root{--space-section:62px}
  body{font-size:16px}
  .container{padding:0 18px}
  h1{font-size:30px}
  .page-hero{padding:40px 0 58px}
  .stat-badge{flex:1 1 calc(50% - 8px);min-width:0;padding:14px 16px}
  .stat-badge b{font-size:26px}
  .info-block{padding:20px;border-radius:22px}
  .cta-band{padding:34px 24px;flex-direction:column;align-items:flex-start;border-radius:22px}
  .cta-band__actions{width:100%}
  .cta-band__actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .footer-bottom{flex-direction:column}
}
@media screen and (max-width:479px){
  .container{padding:0 16px}
  .stat-row{gap:12px}
  .stat-badge{flex:1 1 100%}
}
@media (prefers-reduced-motion:reduce){
  *{animation:none !important;transition:none !important}
  html{scroll-behavior:auto}
}

/* roulang page: category2 */
:root{
  --bg-0:#0A0613;
  --bg-1:#130B22;
  --surface:#1C1230;
  --surface-2:#241640;
  --brand:#A855F7;
  --brand-2:#7C4DFF;
  --accent:#26E0E8;
  --lime:#D6FF3F;
  --text-0:#F5F2FF;
  --text-1:#C6BBDD;
  --text-2:#8E82AC;
  --line:rgba(168,85,247,.22);
  --line-strong:rgba(168,85,247,.45);
  --grad-brand:linear-gradient(135deg,#7C4DFF 0%,#A855F7 55%,#26E0E8 100%);
  --r-sm:12px;
  --r-md:16px;
  --r-lg:20px;
  --r-xl:28px;
  --r-pill:999px;
  --shadow-card:0 18px 48px rgba(12,4,26,.55);
  --shadow-hover:0 26px 62px rgba(12,4,26,.72);
  --glow:0 0 0 1px rgba(168,85,247,.35), 0 0 24px rgba(168,85,247,.28);
  --section-gap:clamp(56px,8vw,112px);
  --t:.28s cubic-bezier(.4,0,.2,1);
  --header-h:68px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  background:var(--bg-0);
  color:var(--text-0);
  font-family:system-ui,"PingFang SC","Microsoft YaHei","Source Han Sans SC",sans-serif;
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
body::before{
  content:"";
  position:fixed;
  inset:0;
  pointer-events:none;
  z-index:0;
  background-image:radial-gradient(rgba(168,85,247,.12) 1px,transparent 1px);
  background-size:26px 26px;
  opacity:.5;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--accent);text-decoration:none;transition:color var(--t);}
a:hover{color:#7CF0F5;}
h1,h2,h3,h4,p,ul,ol,figure,blockquote{margin:0;}
ul,ol{padding:0;list-style:none;}
button{font:inherit;color:inherit;background:none;border:0;cursor:pointer;}
:focus-visible{outline:2px solid var(--accent);outline-offset:3px;border-radius:6px;}

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

/* ---------- 通用排版 ---------- */
h1{font-size:clamp(30px,4.6vw,52px);font-weight:800;line-height:1.2;letter-spacing:-.01em;}
h2{font-size:clamp(24px,3vw,34px);font-weight:700;line-height:1.3;letter-spacing:-.005em;}
h3{font-size:20px;font-weight:700;line-height:1.45;}
p{color:var(--text-1);}
.lead{font-size:17px;line-height:1.85;color:var(--text-1);max-width:72ch;}
.eyebrow{
  display:inline-block;
  font-size:13px;
  letter-spacing:.14em;
  color:var(--accent);
  margin-bottom:14px;
}
.num{font-variant-numeric:tabular-nums;}

.tag{
  display:inline-flex;
  align-items:center;
  gap:6px;
  padding:5px 14px;
  border-radius:var(--r-pill);
  border:1px solid rgba(38,224,232,.45);
  color:var(--accent);
  font-size:12.5px;
  letter-spacing:.06em;
  background:rgba(38,224,232,.07);
}
.tag--violet{border-color:var(--line-strong);color:#D8C6FF;background:rgba(168,85,247,.12);}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  min-height:46px;
  padding:0 26px;
  border-radius:var(--r-pill);
  font-size:15px;
  font-weight:600;
  letter-spacing:.02em;
  transition:transform var(--t),box-shadow var(--t),background var(--t),color var(--t),border-color var(--t);
  white-space:nowrap;
}
.btn--primary{
  background:var(--grad-brand);
  color:#fff;
  box-shadow:0 10px 28px rgba(124,77,255,.35);
}
.btn--primary:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--glow),0 16px 36px rgba(124,77,255,.45);}
.btn--ghost{
  background:transparent;
  border:1px solid rgba(38,224,232,.55);
  color:var(--text-0);
}
.btn--ghost:hover{background:rgba(38,224,232,.12);color:#fff;transform:translateY(-2px);}
.btn--light{background:#fff;color:#4B1E96;box-shadow:0 12px 30px rgba(10,6,19,.35);}
.btn--light:hover{color:#3A0F82;transform:translateY(-2px);}
.btn--outline-light{border:1px solid rgba(255,255,255,.7);color:#fff;background:rgba(255,255,255,.06);}
.btn--outline-light:hover{background:rgba(255,255,255,.16);color:#fff;transform:translateY(-2px);}
.link-arrow{
  display:inline-flex;
  align-items:center;
  gap:6px;
  font-size:14.5px;
  font-weight:600;
  color:var(--accent);
}
.link-arrow i{font-style:normal;transition:transform var(--t);}
.link-arrow:hover i{transform:translateX(4px);}

/* ---------- 头部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(10,6,19,.86);
  backdrop-filter:blur(12px);
  -webkit-backdrop-filter:blur(12px);
}
.site-header::after{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:1px;
  background:linear-gradient(90deg,rgba(124,77,255,.7),rgba(168,85,247,.35),rgba(38,224,232,.7));
}
.nav-inner{
  display:flex;
  align-items:center;
  gap:22px;
  min-height:var(--header-h);
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:11px;
  color:var(--text-0);
  flex:0 0 auto;
}
.brand:hover{color:var(--text-0);}
.brand__mark{
  width:34px;height:34px;
  border-radius:11px;
  background:var(--grad-brand);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 0 18px rgba(124,77,255,.5);
  flex:0 0 auto;
}
.brand__mark span{
  width:12px;height:16px;
  border:2px solid rgba(10,6,19,.85);
  border-bottom:0;
  border-radius:6px 6px 0 0;
  display:block;
}
.brand__text{
  font-size:17px;
  font-weight:800;
  letter-spacing:.01em;
  line-height:1.15;
  display:flex;
  flex-direction:column;
}
.brand__text small{
  font-size:11px;
  font-weight:500;
  letter-spacing:.08em;
  color:var(--text-2);
  margin-top:2px;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  margin-left:auto;
}
.nav-link{
  position:relative;
  display:inline-flex;
  align-items:center;
  min-height:44px;
  padding:0 14px;
  font-size:15px;
  font-weight:600;
  color:var(--text-1);
  border-radius:10px;
}
.nav-link::after{
  content:"";
  position:absolute;
  left:14px;right:14px;bottom:8px;
  height:2px;
  border-radius:2px;
  background:var(--grad-brand);
  transform:scaleX(0);
  transform-origin:left;
  transition:transform var(--t);
}
.nav-link:hover{color:#fff;}
.nav-link:hover::after{transform:scaleX(1);}
.nav-link.is-active{
  color:#fff;
  text-shadow:0 0 14px rgba(168,85,247,.55);
}
.nav-link.is-active::after{transform:scaleX(1);box-shadow:0 0 14px rgba(168,85,247,.7);}
.nav-cta{margin-left:8px;}
.icon-btn{
  width:44px;height:44px;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  border-radius:12px;
  border:1px solid var(--line);
  color:var(--text-1);
  transition:border-color var(--t),color var(--t),background var(--t);
  flex:0 0 auto;
}
.icon-btn:hover{color:#fff;border-color:var(--line-strong);background:rgba(168,85,247,.12);}
.icon-btn svg{width:18px;height:18px;}
.nav-toggle{display:none;}

.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(6,2,14,.7);
  opacity:0;
  pointer-events:none;
  transition:opacity var(--t);
  z-index:70;
}
.drawer-mask.is-open{opacity:1;pointer-events:auto;}
.drawer{
  position:fixed;
  top:0;right:0;
  width:min(320px,84vw);
  height:100%;
  background:linear-gradient(180deg,#150C26,#0A0613);
  border-left:1px solid var(--line);
  transform:translateX(102%);
  transition:transform var(--t);
  z-index:80;
  padding:22px 20px 32px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer__head{
  display:flex;
  align-items:center;
  justify-content:space-between;
  padding-bottom:16px;
  border-bottom:1px solid var(--line);
  margin-bottom:18px;
}
.drawer__title{font-size:15px;font-weight:700;color:var(--text-1);letter-spacing:.06em;}
.drawer a.drawer__link{
  display:flex;
  align-items:center;
  min-height:48px;
  padding:0 14px;
  border-radius:12px;
  color:var(--text-1);
  font-size:16px;
  font-weight:600;
  margin-bottom:6px;
}
.drawer a.drawer__link:hover{background:rgba(168,85,247,.12);color:#fff;}
.drawer a.drawer__link.is-active{
  color:#fff;
  background:rgba(168,85,247,.14);
  box-shadow:inset 3px 0 0 var(--brand);
}
.drawer .btn{width:100%;margin-top:18px;}

/* ---------- 面包屑 ---------- */
.breadcrumb{
  display:flex;
  align-items:center;
  flex-wrap:wrap;
  gap:8px;
  font-size:13.5px;
  color:var(--text-2);
  padding:22px 0 0;
}
.breadcrumb a{color:var(--text-2);}
.breadcrumb a:hover{color:var(--accent);}
.breadcrumb .sep{color:rgba(142,130,172,.6);}
.breadcrumb .current{color:var(--text-1);}

/* ---------- 页面头 ---------- */
.page-hero{
  position:relative;
  padding:38px 0 56px;
  overflow:hidden;
}
.page-hero__bg{
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;
  background-position:center;
  opacity:.28;
  z-index:0;
}
.page-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(150deg,rgba(124,77,255,.55) 0%,rgba(10,6,19,.72) 45%,rgba(38,224,232,.28) 100%);
  z-index:0;
}
.page-hero::before{
  content:"";
  position:absolute;
  left:0;right:0;bottom:0;
  height:140px;
  background:linear-gradient(180deg,transparent,var(--bg-0) 88%);
  z-index:1;
}
.page-hero .container{z-index:2;}
.page-hero__grid{
  display:grid;
  grid-template-columns:minmax(0,1.45fr) minmax(0,1fr);
  gap:48px;
  align-items:center;
}
.page-hero h1{margin-bottom:18px;}
.page-hero h1 em{
  font-style:normal;
  background:var(--grad-brand);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.page-hero .lead{font-size:16.5px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:26px;}

.badge-row{
  display:flex;
  flex-wrap:wrap;
  gap:16px;
  margin-top:32px;
}
.stat-badge{
  min-width:132px;
  padding:16px 20px;
  border-radius:var(--r-md);
  background:rgba(28,18,48,.75);
  border:1px solid transparent;
  background-image:linear-gradient(rgba(28,18,48,.9),rgba(28,18,48,.9)),var(--grad-brand);
  background-origin:border-box;
  background-clip:padding-box,border-box;
  box-shadow:0 0 22px rgba(168,85,247,.16);
}
.stat-badge__num{
  display:block;
  font-size:32px;
  font-weight:700;
  line-height:1.1;
  font-variant-numeric:tabular-nums;
  background:var(--grad-brand);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.stat-badge__num small{font-size:14px;font-weight:600;color:var(--lime);-webkit-text-fill-color:var(--lime);margin-left:3px;}
.stat-badge__label{
  display:block;
  margin-top:8px;
  font-size:12.5px;
  letter-spacing:.08em;
  color:var(--text-2);
}
.hero-side{
  border-radius:var(--r-xl);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  background:var(--surface);
}
.hero-side img{width:100%;height:100%;object-fit:cover;aspect-ratio:4/3;}
.hero-side figcaption{
  padding:14px 18px;
  font-size:13px;
  color:var(--text-2);
  border-top:1px solid var(--line);
}

/* ---------- 锚点导航条 ---------- */
.anchor-bar{
  position:sticky;
  top:var(--header-h);
  z-index:50;
  background:rgba(19,11,34,.92);
  backdrop-filter:blur(10px);
  -webkit-backdrop-filter:blur(10px);
  border-top:1px solid var(--line);
  border-bottom:1px solid var(--line);
}
.anchor-bar__scroll{
  display:flex;
  gap:10px;
  overflow-x:auto;
  padding:12px 0;
  scrollbar-width:none;
}
.anchor-bar__scroll::-webkit-scrollbar{display:none;}
.anchor-link{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  gap:8px;
  min-height:42px;
  padding:0 18px;
  border-radius:var(--r-pill);
  border:1px solid var(--line);
  color:var(--text-1);
  font-size:14.5px;
  font-weight:600;
  white-space:nowrap;
}
.anchor-link span{
  font-variant-numeric:tabular-nums;
  font-size:12px;
  color:var(--text-2);
}
.anchor-link:hover{color:#fff;border-color:var(--line-strong);background:rgba(168,85,247,.12);}
.anchor-link.is-active{
  color:#fff;
  border-color:transparent;
  background:var(--grad-brand);
  box-shadow:0 0 20px rgba(168,85,247,.45);
}
.anchor-link.is-active span{color:rgba(255,255,255,.85);}

/* ---------- 提示条 ---------- */
.tip-bar{
  display:flex;
  align-items:flex-start;
  gap:14px;
  margin:36px 0 0;
  padding:18px 22px;
  border-radius:var(--r-md);
  border:1px solid rgba(38,224,232,.35);
  background:rgba(38,224,232,.07);
}
.tip-bar__icon{
  flex:0 0 auto;
  width:26px;height:26px;
  border-radius:50%;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  background:rgba(38,224,232,.18);
  color:var(--accent);
  font-size:15px;
  font-weight:700;
  line-height:1;
}
.tip-bar p{font-size:14.5px;color:var(--text-1);}

/* ---------- 分段 ---------- */
.segment{
  padding:clamp(56px,7vw,96px) 0;
  scroll-margin-top:calc(var(--header-h) + 74px);
}
.segment--alt{background:var(--bg-1);}
.segment__head{
  display:grid;
  grid-template-columns:minmax(0,132px) minmax(0,1fr);
  gap:28px;
  align-items:start;
  margin-bottom:44px;
}
.segment__num{
  font-size:clamp(48px,7vw,84px);
  font-weight:800;
  line-height:.9;
  font-variant-numeric:tabular-nums;
  letter-spacing:-.03em;
  background:linear-gradient(160deg,rgba(168,85,247,.85),rgba(38,224,232,.35));
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
  display:block;
}
.segment__head h2{margin:14px 0 14px;}
.segment__head .lead{font-size:16px;}

.card-grid{margin-top:4px;}
.card-cell{margin-bottom:30px;}
.topic-card{
  height:100%;
  display:flex;
  flex-direction:column;
  border-radius:var(--r-lg);
  background:var(--surface);
  border:1px solid var(--line);
  box-shadow:var(--shadow-card);
  overflow:hidden;
  transition:transform var(--t),box-shadow var(--t),border-color var(--t);
}
.topic-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--shadow-hover);
  border-color:var(--line-strong);
}
.topic-card__media{
  position:relative;
  overflow:hidden;
  aspect-ratio:16/9;
  background:var(--surface-2);
}
.topic-card__media::after{
  content:"";
  position:absolute;
  inset:0;
  background:linear-gradient(180deg,rgba(10,6,19,.05),rgba(10,6,19,.55));
}
.topic-card__media img{
  width:100%;height:100%;
  object-fit:cover;
  transition:transform .5s cubic-bezier(.4,0,.2,1);
}
.topic-card:hover .topic-card__media img{transform:scale(1.03);}
.topic-card__body{
  padding:22px 22px 24px;
  display:flex;
  flex-direction:column;
  flex:1 1 auto;
}
.topic-card__body .tag{align-self:flex-start;margin-bottom:14px;}
.topic-card__body h3{margin-bottom:10px;transition:color var(--t);}
.topic-card:hover .topic-card__body h3{color:var(--accent);}
.topic-card__body p{
  font-size:14.8px;
  line-height:1.78;
  color:var(--text-1);
  flex:1 1 auto;
}
.topic-card__foot{
  margin-top:18px;
  padding-top:16px;
  border-top:1px solid var(--line);
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  font-size:13px;
  color:var(--text-2);
}
.step-list{
  display:grid;
  gap:10px;
  margin-top:16px;
}
.step-list li{
  display:flex;
  gap:10px;
  font-size:14.5px;
  color:var(--text-1);
}
.step-list li i{
  flex:0 0 auto;
  width:20px;height:20px;
  margin-top:4px;
  border-radius:6px;
  background:rgba(168,85,247,.18);
  border:1px solid var(--line-strong);
  font-style:normal;
  font-size:11.5px;
  font-weight:700;
  color:#DCC8FF;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-variant-numeric:tabular-nums;
}

/* ---------- FAQ ---------- */
.faq-section{padding:var(--section-gap) 0;scroll-margin-top:calc(var(--header-h) + 74px);}
.faq-head{text-align:center;max-width:680px;margin:0 auto 42px;}
.faq-head h2{margin-bottom:14px;}
.faq-head p{font-size:16px;}
.faq-list{max-width:820px;margin:0 auto;display:grid;gap:14px;}
.faq-item{
  border-radius:var(--r-md);
  background:var(--surface);
  border:1px solid var(--line);
  transition:border-color var(--t),box-shadow var(--t);
}
.faq-item.is-open{border-color:var(--line-strong);box-shadow:0 0 22px rgba(168,85,247,.18);}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  text-align:left;
  padding:18px 22px;
  font-size:16.5px;
  font-weight:600;
  color:var(--text-0);
  min-height:60px;
}
.faq-icon{
  flex:0 0 auto;
  width:26px;height:26px;
  border-radius:50%;
  border:1px solid rgba(38,224,232,.5);
  color:var(--accent);
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:16px;
  line-height:1;
  transition:transform var(--t),background var(--t);
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:rgba(38,224,232,.14);}
.faq-a{
  display:grid;
  grid-template-rows:1fr;
  transition:grid-template-rows var(--t);
}
.faq-item:not(.is-open) .faq-a{grid-template-rows:0fr;}
.faq-a > div{overflow:hidden;}
.faq-a p{
  padding:0 22px 20px;
  font-size:15px;
  line-height:1.78;
  color:var(--text-1);
}

/* ---------- CTA ---------- */
.cta-section{padding:0 0 var(--section-gap);}
.cta-band{
  position:relative;
  border-radius:var(--r-xl);
  background:var(--grad-brand);
  padding:clamp(34px,5vw,60px);
  overflow:hidden;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:36px;
  box-shadow:0 26px 70px rgba(124,77,255,.32);
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:radial-gradient(rgba(255,255,255,.22) 1px,transparent 1px);
  background-size:20px 20px;
  opacity:.5;
}
.cta-band > *{position:relative;z-index:1;}
.cta-band h2{color:#fff;margin-bottom:12px;}
.cta-band p{color:rgba(255,255,255,.9);font-size:16px;max-width:52ch;}
.cta-band__actions{display:flex;flex-wrap:wrap;gap:12px;flex:0 0 auto;}
.cta-note{
  text-align:center;
  font-size:13px;
  color:var(--text-2);
  margin-top:20px;
}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--bg-0);
  border-top:1px solid transparent;
  position:relative;
  padding:64px 0 28px;
}
.site-footer::before{
  content:"";
  position:absolute;
  top:0;left:0;right:0;
  height:1px;
  background:linear-gradient(90deg,rgba(38,224,232,.6),rgba(168,85,247,.55),rgba(124,77,255,.35));
}
.footer-grid{
  display:grid;
  grid-template-columns:1.5fr 1fr 1fr 1.3fr;
  gap:36px;
  padding-bottom:40px;
}
.footer-brand p{font-size:14.5px;line-height:1.8;color:var(--text-2);margin-top:18px;max-width:34ch;}
.footer-col h3{
  font-size:15px;
  font-weight:700;
  color:var(--text-0);
  margin-bottom:16px;
  letter-spacing:.03em;
}
.footer-col ul{display:grid;gap:10px;}
.footer-col li a{
  font-size:14.5px;
  color:var(--text-2);
  display:inline-flex;
  align-items:center;
  min-height:32px;
}
.footer-col li a:hover{color:var(--accent);}
.footer-col p{font-size:14px;line-height:1.8;color:var(--text-2);}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:12px;
  padding-top:22px;
  border-top:1px solid var(--line);
}
.footer-bottom p{font-size:13px;color:var(--text-2);}
.footer-bottom .disclaimer{color:rgba(142,130,172,.75);}

/* ---------- 响应式 ---------- */
@media screen and (max-width:1279px){
  .page-hero__grid{gap:32px;}
}
@media screen and (max-width:1023px){
  :root{--header-h:60px;}
  .nav-links{display:none;}
  .nav-toggle{display:inline-flex;}
  .page-hero__grid{grid-template-columns:minmax(0,1fr);gap:30px;}
  .hero-side{max-width:560px;}
  .segment__head{grid-template-columns:minmax(0,96px) minmax(0,1fr);gap:20px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px;}
}
@media screen and (max-width:767px){
  :root{--header-h:56px;}
  .container{padding:0 18px;}
  .nav-cta{display:none;}
  .breadcrumb{padding-top:16px;}
  .page-hero{padding:22px 0 44px;}
  .page-hero .lead{font-size:15.5px;}
  .hero-actions{gap:10px;}
  .hero-actions .btn{width:100%;}
  .badge-row{gap:12px;}
  .stat-badge{flex:1 1 calc(50% - 6px);min-width:0;padding:14px 16px;}
  .stat-badge__num{font-size:26px;}
  .segment__head{grid-template-columns:minmax(0,1fr);gap:10px;margin-bottom:32px;}
  .segment__num{font-size:46px;}
  .card-cell{margin-bottom:22px;}
  .cta-band{flex-direction:column;align-items:flex-start;text-align:left;}
  .cta-band__actions{width:100%;}
  .cta-band__actions .btn{width:100%;}
  .footer-grid{grid-template-columns:1fr;gap:26px;padding-bottom:30px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
  .faq-q{font-size:15.5px;padding:16px 18px;}
  .faq-a p{padding:0 18px 18px;}
}
@media screen and (max-width:479px){
  .container{padding:0 16px;}
  .badge-row{gap:10px;}
  .stat-badge{flex:1 1 100%;}
  .brand__text small{display:none;}
  .anchor-link{padding:0 14px;font-size:14px;}
  .tip-bar{padding:16px;}
}

.faq-a{grid-template-rows:1fr !important;}