/* roulang page: index */
:root{
  --brand:#6A3DE8;
  --brand-deep:#4C1FB8;
  --brand-soft:#EDE6FF;
  --grad:linear-gradient(135deg,#6A3DE8 0%,#B23BE8 50%,#FF7A45 100%);
  --coral:#FF7A45;
  --mint:#22C3A6;
  --bg:#FAF8FF;
  --bg-2:#F3EFFF;
  --dark:#17122B;
  --text:#1B1533;
  --text-2:#5B5470;
  --text-3:#8C86A0;
  --line:#ECE6FA;
  --r-lg:28px;
  --r-md:22px;
  --r-sm:18px;
  --r-xs:14px;
  --sh:0 4px 16px rgba(106,61,232,.08);
  --sh-h:0 14px 34px rgba(106,61,232,.16);
  --sec:96px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 32px}
.section{padding:var(--sec) 0}
.section-tight{padding:64px 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  background:var(--brand-soft);color:var(--brand-deep);
  border-radius:999px;padding:6px 14px;font-size:13px;font-weight:600;
}
.h1{font-size:clamp(30px,5vw,52px);font-weight:800;line-height:1.2;letter-spacing:-.01em}
.h2{font-size:clamp(24px,3.4vw,36px);font-weight:700;line-height:1.28;letter-spacing:-.01em}
.h3{font-size:20px;font-weight:600;line-height:1.4}
.lead{font-size:17px;color:var(--text-2);line-height:1.75}
.muted{color:var(--text-2)}
.meta{font-size:13px;color:var(--text-3)}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.section-head p{max-width:620px;margin-top:10px;color:var(--text-2);font-size:16px}
.num{font-variant-numeric:tabular-nums}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;padding:12px 26px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;white-space:nowrap;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(106,61,232,.28)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(178,59,232,.34);filter:saturate(1.1)}
.btn-ghost{background:#fff;border-color:rgba(106,61,232,.42);color:var(--brand-deep)}
.btn-ghost:hover{background:var(--brand-soft);transform:translateY(-2px);border-color:var(--brand)}
.btn-light{background:#fff;color:var(--brand-deep)}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(0,0,0,.22)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn:focus-visible,a:focus-visible,input:focus-visible,summary:focus-visible{
  outline:none;box-shadow:0 0 0 3px rgba(106,61,232,.35);border-radius:999px;
}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand-deep);
}
.link-arrow i{transition:transform .22s ease}
.link-arrow:hover i{transform:translateX(4px)}

/* ---------- 头部 ---------- */
.site-header{
  position:sticky;top:0;z-index:70;
  background:rgba(250,248,255,.94);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.topbar{display:flex;align-items:center;gap:24px;height:72px}
.logo{display:flex;align-items:center;gap:12px;flex-shrink:0}
.logo-mark{
  width:42px;height:42px;border-radius:14px;background:var(--grad);
  display:grid;place-items:center;color:#fff;font-weight:800;font-size:17px;
  box-shadow:0 6px 18px rgba(106,61,232,.28);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-main{font-size:16px;font-weight:800;letter-spacing:.02em;color:var(--text)}
.logo-sub{font-size:12px;letter-spacing:.06em;color:var(--text-3)}
.search{position:relative;flex:1;max-width:380px;margin-left:8px}
.search input{
  width:100%;border:1px solid var(--line);background:#fff;border-radius:999px;
  padding:11px 18px 11px 42px;font-size:14px;transition:.22s;
}
.search input::placeholder{color:var(--text-3)}
.search input:focus{border-color:var(--brand);background:var(--brand-soft);box-shadow:0 0 0 4px rgba(106,61,232,.12);outline:none}
.search i{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:var(--text-3);font-size:14px}
.top-actions{display:flex;align-items:center;gap:18px;margin-left:auto}
.top-actions .text-link{font-size:14px;font-weight:600;color:var(--text-2)}
.top-actions .text-link:hover{color:var(--brand-deep)}
.channelbar{
  display:flex;align-items:center;gap:10px;height:48px;
  overflow-x:auto;scrollbar-width:none;scroll-snap-type:x proximity;
}
.channelbar::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;scroll-snap-align:start;
  padding:7px 16px;border-radius:999px;font-size:14px;color:var(--text-2);
  border:1px solid transparent;transition:.2s;white-space:nowrap;
}
.chip:hover{background:var(--brand-soft);color:var(--brand-deep)}
.chip.active{background:var(--grad);color:#fff;font-weight:600;box-shadow:0 6px 16px rgba(106,61,232,.24)}
.channel-toggle{
  display:none;align-items:center;gap:8px;margin:0 0 12px;padding:7px 16px;
  border-radius:999px;border:1px solid rgba(106,61,232,.42);background:#fff;
  color:var(--brand-deep);font-size:14px;font-weight:600;cursor:pointer;
}
body.nav-collapsed .channelbar{display:none}
body.nav-collapsed .channel-toggle{display:inline-flex}
.mobile-only{display:none}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;padding:76px 0 72px}
.hero-grid{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;position:relative;z-index:2}
.blob{position:absolute;border-radius:50%;filter:blur(80px);opacity:.18;pointer-events:none;z-index:1}
.blob-1{width:420px;height:420px;background:var(--brand);top:-140px;left:-150px}
.blob-2{width:360px;height:360px;background:var(--coral);bottom:-160px;right:-90px}
.hero h1{margin:20px 0 18px}
.hero-sub{font-size:18px;color:var(--text-2);max-width:540px;line-height:1.7}
.hero-cta{display:flex;gap:14px;flex-wrap:wrap;margin-top:30px}
.stat-row{display:flex;gap:14px;flex-wrap:wrap;margin-top:34px}
.stat{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:12px 18px;box-shadow:var(--sh);min-width:132px;
}
.stat .val{
  font-size:26px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1.2;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat .val small{font-size:14px;font-weight:700;margin-left:2px}
.stat .cap{font-size:13px;color:var(--text-3);margin-top:2px}
.trust{margin-top:22px;font-size:13px;color:var(--text-3)}
.hero-visual{position:relative}
.hero-img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-lg);box-shadow:0 26px 60px rgba(76,31,184,.18)}
.float-badge{
  position:absolute;top:-18px;right:-14px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-sm);padding:12px 18px;box-shadow:var(--sh-h);
}
.float-badge .val{font-size:22px;font-weight:800;color:var(--coral);font-variant-numeric:tabular-nums;line-height:1.2}
.float-badge .cap{font-size:12px;color:var(--text-3)}
.float-card{
  position:absolute;right:-18px;bottom:-24px;max-width:238px;
  background:rgba(255,255,255,.88);backdrop-filter:blur(10px);
  border:1px solid rgba(255,255,255,.9);border-radius:var(--r-sm);
  padding:14px 18px;box-shadow:var(--sh-h);
}
.float-card strong{display:block;font-size:15px;font-weight:700}
.float-card span{font-size:12px;color:var(--text-2)}

/* ---------- 价值主张条 ---------- */
.value-strip{
  display:grid;grid-template-columns:repeat(4,1fr);gap:24px;
  padding:38px 0;border-top:1px solid var(--line);border-bottom:1px solid var(--line);
}
.value-item{display:flex;gap:14px;align-items:flex-start}
.value-icon{
  width:44px;height:44px;flex:0 0 auto;border-radius:14px;display:grid;place-items:center;
  background:var(--brand-soft);color:var(--brand-deep);font-size:18px;
}
.value-item h3{font-size:16px;font-weight:700;margin-bottom:2px}
.value-item p{font-size:14px;color:var(--text-2);line-height:1.65}

/* ---------- 卡片 ---------- */
.card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-h);border-color:rgba(106,61,232,.4)}
.feature-layout{display:grid;grid-template-columns:1.22fr 1fr;gap:24px;align-items:stretch}
.feature-main{padding:34px;display:flex;flex-direction:column;gap:22px;position:relative;overflow:hidden}
.feature-main::before{content:"";position:absolute;inset:0 0 auto 0;height:4px;background:var(--grad)}
.feature-media{border-radius:var(--r-sm);overflow:hidden;aspect-ratio:16/9;border:1px solid var(--line)}
.feature-media img{width:100%;height:100%;object-fit:cover}
.feature-list{display:grid;gap:10px}
.feature-list li{display:flex;gap:10px;align-items:flex-start;font-size:15px;color:var(--text-2)}
.feature-list i{color:var(--mint);margin-top:6px;font-size:13px}
.feature-mini-stack{display:grid;gap:24px}
.feature-mini{padding:24px;display:flex;gap:16px;align-items:flex-start}
.feature-mini .value-icon{background:var(--bg-2)}
.feature-mini h3{font-size:19px;font-weight:600;margin-bottom:6px}
.feature-mini p{font-size:14px;color:var(--text-2);line-height:1.7;margin-bottom:10px}

/* ---------- 场景 ---------- */
.scene{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center;margin-bottom:72px}
.scene:last-child{margin-bottom:0}
.scene-media{border-radius:var(--r-lg);overflow:hidden;box-shadow:0 20px 46px rgba(76,31,184,.14);aspect-ratio:16/11}
.scene-media img{width:100%;height:100%;object-fit:cover}
.scene.reverse .scene-media{order:2}
.scene h3{font-size:clamp(22px,2.4vw,28px);font-weight:700;margin:16px 0 14px}
.scene p{color:var(--text-2);font-size:16px;margin-bottom:18px}
.tag-row{display:flex;gap:10px;flex-wrap:wrap}
.tag{
  display:inline-flex;align-items:center;gap:6px;padding:6px 14px;border-radius:999px;
  font-size:13px;font-weight:600;background:var(--bg-2);color:var(--brand-deep);
}
.tag.mint{background:rgba(34,195,166,.12);color:#0E8C77}
.tag.coral{background:rgba(255,122,69,.14);color:#C24A19}

/* ---------- 案例 ---------- */
.case-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.case-card{padding:28px;display:flex;flex-direction:column;gap:16px}
.case-badge{
  display:inline-flex;align-items:baseline;gap:6px;align-self:flex-start;
  background:rgba(34,195,166,.12);color:#0E8C77;border-radius:var(--r-xs);
  padding:10px 16px;font-weight:800;font-size:26px;font-variant-numeric:tabular-nums;line-height:1.1;
}
.case-badge span{font-size:13px;font-weight:600}
.case-quote{font-size:16px;color:var(--text);line-height:1.7}
.case-meta{font-size:13px;color:var(--text-3);margin-top:auto}

/* ---------- 价格 ---------- */
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:start}
.price-card{padding:32px 26px;display:flex;flex-direction:column;gap:20px}
.price-card.featured{
  border:1px solid transparent;
  background:linear-gradient(#fff,#fff) padding-box,var(--grad) border-box;
  padding:40px 30px;margin-top:-12px;box-shadow:0 20px 44px rgba(106,61,232,.18);
}
.price-head{display:flex;align-items:center;justify-content:space-between;gap:12px}
.price-name{font-size:20px;font-weight:700}
.price-amount{font-size:34px;font-weight:800;font-variant-numeric:tabular-nums;line-height:1.2}
.price-amount small{font-size:14px;font-weight:600;color:var(--text-3);margin-left:4px}
.price-desc{font-size:14px;color:var(--text-2);line-height:1.7}
.price-list{display:grid;gap:10px;font-size:15px;color:var(--text-2)}
.price-list li{display:flex;gap:10px;align-items:flex-start}
.price-list i{color:var(--brand);margin-top:6px;font-size:12px}

/* ---------- 最新信息 ---------- */
.filter-row{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:28px}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{overflow:hidden;display:flex;flex-direction:column}
.news-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--bg-2)}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.news-card:hover .news-thumb img{transform:scale(1.05)}
.news-thumb .badge{
  position:absolute;left:14px;top:14px;background:rgba(23,18,43,.78);color:#fff;
  font-size:12px;font-weight:600;padding:5px 12px;border-radius:999px;backdrop-filter:blur(6px);
}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:12px;flex:1}
.news-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}
.news-body p{font-size:14px;color:var(--text-2);line-height:1.7;display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-foot{display:flex;align-items:center;justify-content:space-between;gap:12px;margin-top:auto;font-size:13px;color:var(--text-3)}
.empty-state{
  grid-column:1/-1;background:#fff;border:1px dashed var(--line);border-radius:var(--r-md);
  padding:56px 24px;text-align:center;display:flex;flex-direction:column;align-items:center;gap:14px;
}
.empty-state i{font-size:34px;color:var(--mint)}
.empty-state p{color:var(--text-2);font-size:15px}

/* ---------- FAQ ---------- */
.faq-card{padding:10px 30px;border-radius:var(--r-lg)}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:none}
.faq-item summary{
  display:flex;align-items:center;justify-content:space-between;gap:18px;
  min-height:64px;cursor:pointer;font-weight:600;font-size:16.5px;list-style:none;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item .chev{color:var(--text-3);transition:transform .22s ease;font-size:14px}
.faq-item[open] summary{color:var(--brand-deep)}
.faq-item[open] .chev{transform:rotate(180deg);color:var(--brand)}
.faq-answer{padding:0 40px 22px 0;font-size:15px;color:var(--text-2);line-height:1.8}

/* ---------- 深色 CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--dark);color:#fff;
  border-radius:32px;padding:64px 56px;display:flex;align-items:center;
  justify-content:space-between;gap:40px;flex-wrap:wrap;
}
.cta-band .glow{
  position:absolute;width:420px;height:420px;border-radius:50%;filter:blur(90px);opacity:.35;
  background:linear-gradient(135deg,#6A3DE8,#FF7A45);right:-120px;top:-160px;
}
.cta-band h2{position:relative;z-index:2;color:#fff}
.cta-band p{position:relative;z-index:2;color:#C6C0DA;margin-top:12px;max-width:520px;font-size:16px}
.cta-actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:#B9B3CC;padding-top:72px;margin-top:var(--sec)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.3fr;gap:40px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:12px;margin-bottom:18px}
.footer-brand .logo-mark{box-shadow:none}
.footer-brand .logo-main{color:#fff}
.footer-brand .logo-sub{color:#8C86A0}
.site-footer h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px}
.footer-links{display:grid;gap:11px}
.footer-links a{font-size:14px;color:#B9B3CC;transition:.2s}
.footer-links a:hover{color:#fff;transform:translateX(2px);display:inline-block}
.footer-about{font-size:14px;line-height:1.8;color:#948EAF;max-width:330px}
.footer-contact{display:grid;gap:10px;font-size:14px}
.footer-contact i{color:var(--brand);width:18px}
.subscribe{display:flex;gap:10px;margin-top:16px;background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:999px;padding:6px}
.subscribe input{
  flex:1;background:transparent;border:none;padding:8px 16px;font-size:14px;color:#fff;outline:none;min-width:0;
}
.subscribe input::placeholder{color:#7C7694}
.form-tip{font-size:13px;color:var(--mint);margin-top:10px;min-height:18px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.08);padding:22px 0 28px;
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#7C7694;
}
.footer-bottom a{color:#9A94B5}
.footer-bottom a:hover{color:#fff}

/* ---------- 返回顶部 ---------- */
.to-top{
  position:fixed;right:24px;bottom:28px;width:48px;height:48px;border-radius:50%;
  background:var(--grad);color:#fff;display:grid;place-items:center;border:none;cursor:pointer;
  box-shadow:0 12px 28px rgba(106,61,232,.32);opacity:0;visibility:hidden;transition:.28s ease;z-index:80;
}
.to-top.show{opacity:1;visibility:visible}
.to-top:hover{transform:translateY(-3px)}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  :root{--sec:72px}
  .container{padding:0 24px}
  .hero-grid{gap:40px}
  .feature-layout{grid-template-columns:1fr}
  .case-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .price-grid{grid-template-columns:1fr;max-width:560px;margin:0 auto}
  .price-card.featured{margin-top:0}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
  .search{max-width:260px}
}
@media (max-width:768px){
  :root{--sec:56px}
  .topbar{gap:14px;height:64px}
  .search{display:none}
  .mobile-only{display:inline-flex}
  .hero{padding:48px 0 52px}
  .hero-grid{grid-template-columns:1fr;gap:44px}
  .blob-1,.blob-2{width:280px;height:280px}
  .float-badge{top:-12px;right:8px}
  .float-card{right:8px;bottom:-18px;max-width:210px}
  .value-strip{grid-template-columns:1fr 1fr;gap:20px}
  .scene{grid-template-columns:1fr;gap:28px;margin-bottom:56px}
  .scene.reverse .scene-media{order:0}
  .case-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .cta-band{padding:44px 26px;border-radius:26px}
  .site-footer{padding-top:56px}
  .footer-grid{grid-template-columns:1fr;gap:32px}
  .faq-card{padding:6px 20px}
  .faq-item summary{font-size:15.5px;min-height:58px}
  .faq-answer{padding-right:0}
  .to-top{right:16px;bottom:20px;width:44px;height:44px}
}
@media (max-width:520px){
  .container{padding:0 16px}
  .stat{flex:1 1 calc(50% - 8px);min-width:0;padding:10px 14px}
  .stat .val{font-size:22px}
  .hero-cta .btn{flex:1 1 100%}
  .cta-actions .btn{flex:1 1 100%}
  .subscribe{flex-direction:column;border-radius:var(--r-xs);padding:10px}
  .subscribe .btn{width:100%}
}

/* roulang page: category1 */
:root{
  --brand:#6A3DE8;
  --brand-deep:#4C1FB8;
  --brand-light:#EDE6FF;
  --brand-grad:linear-gradient(135deg,#6A3DE8 0%,#B23BE8 52%,#FF7A45 100%);
  --coral:#FF7A45;
  --mint:#22C3A6;
  --bg:#FAF8FF;
  --bg-2:#F3EFFF;
  --dark:#17122B;
  --text:#1B1533;
  --text-2:#5B5470;
  --text-3:#8C86A0;
  --line:#ECE6FA;
  --r-lg:28px;
  --r-md:22px;
  --r-sm:18px;
  --r-input:14px;
  --sh:0 4px 16px rgba(106,61,232,.08);
  --sh-h:0 14px 34px rgba(106,61,232,.16);
  --header-h:120px;
}
*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  padding-top:var(--header-h);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;transition:color .2s ease,transform .2s ease;}
button,input{font-family:inherit;font-size:inherit;}
button{cursor:pointer;border:0;background:none;}
h1,h2,h3,h4{margin:0;color:var(--text);letter-spacing:-.01em;}
h1{font-size:clamp(30px,5vw,52px);font-weight:800;line-height:1.2;}
h2{font-size:clamp(24px,3.4vw,36px);font-weight:700;line-height:1.3;}
h3{font-size:20px;font-weight:600;line-height:1.4;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
::selection{background:var(--brand-light);color:var(--brand-deep);}

.container{max-width:1200px;margin:0 auto;padding:0 32px;}

/* ---------- buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-size:15px;font-weight:600;
  padding:12px 24px;transition:all .22s ease;white-space:nowrap;
}
.btn-sm{padding:9px 18px;font-size:14px;}
.btn-primary{
  background:var(--brand-grad);color:#fff;
  box-shadow:0 8px 20px rgba(106,61,232,.28);
}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(106,61,232,.36);filter:saturate(1.12);}
.btn-ghost{
  background:#fff;color:var(--brand-deep);border:1px solid rgba(106,61,232,.35);
}
.btn-ghost:hover{background:var(--brand-light);transform:translateY(-2px);}
.btn-light{background:#fff;color:var(--brand-deep);}
.btn-light:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(0,0,0,.22);}
.btn-outline-light{background:transparent;color:#fff;border:1px solid rgba(255,255,255,.5);}
.btn-outline-light:hover{background:rgba(255,255,255,.14);}
.btn:focus-visible,a:focus-visible,summary:focus-visible,input:focus-visible{
  outline:2px solid var(--brand);outline-offset:3px;
}
.arrow-link{
  display:inline-flex;align-items:center;gap:6px;
  color:var(--brand);font-size:14px;font-weight:600;
}
.arrow-link i{transition:transform .2s ease;}
.arrow-link:hover i{transform:translateX(4px);}

/* ---------- header ---------- */
.site-header{
  position:fixed;top:0;left:0;right:0;z-index:80;
  background:rgba(250,248,255,.94);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.topbar{display:flex;align-items:center;gap:22px;height:72px;}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.logo-mark{
  width:40px;height:40px;border-radius:14px;background:var(--brand-grad);
  color:#fff;font-weight:800;font-size:18px;display:grid;place-items:center;
  box-shadow:0 6px 16px rgba(106,61,232,.3);
}
.logo-text{display:flex;flex-direction:column;line-height:1.12;}
.logo-main{font-size:16px;font-weight:800;color:var(--text);}
.logo-sub{font-size:12px;color:var(--text-3);letter-spacing:.04em;}
.search{
  flex:1;max-width:420px;display:flex;align-items:center;gap:10px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  height:42px;padding:0 16px;transition:all .2s ease;
}
.search i{color:var(--text-3);font-size:14px;}
.search input{flex:1;border:0;outline:none;background:transparent;font-size:14px;color:var(--text);}
.search input::placeholder{color:var(--text-3);}
.search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(106,61,232,.12);}
.top-actions{display:flex;align-items:center;gap:16px;margin-left:auto;}
.text-link{font-size:14px;color:var(--text-2);}
.text-link:hover{color:var(--brand);}
.channelbar{
  display:flex;align-items:center;gap:10px;height:48px;
  overflow-x:auto;scrollbar-width:none;
}
.channelbar::-webkit-scrollbar{display:none;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:8px 16px;border-radius:999px;font-size:14px;
  color:var(--text-2);background:#fff;border:1px solid var(--line);
  white-space:nowrap;transition:all .2s ease;
}
.chip:hover{color:var(--brand);border-color:rgba(106,61,232,.42);transform:translateY(-1px);}
.chip.active{
  background:var(--brand-grad);color:#fff;border-color:transparent;
  box-shadow:0 6px 18px rgba(106,61,232,.3);
}
.channel-toggle{
  display:none;align-items:center;gap:8px;font-size:14px;color:var(--brand-deep);
  background:var(--brand-light);border-radius:999px;padding:8px 16px;
}

/* ---------- breadcrumb ---------- */
.crumb{
  display:flex;align-items:center;gap:8px;flex-wrap:wrap;
  font-size:14px;color:var(--text-3);padding:22px 0 0;
}
.crumb a:hover{color:var(--brand);}
.crumb i{font-size:10px;color:var(--text-3);}

/* ---------- hero ---------- */
.page-hero{
  position:relative;margin-top:20px;border-radius:var(--r-lg);
  padding:52px 44px;color:#fff;overflow:hidden;
  background-image:
    linear-gradient(120deg,rgba(23,18,43,.94) 0%,rgba(76,31,184,.82) 52%,rgba(178,59,232,.55) 100%),
    url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.page-hero::after{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;
  border-radius:50%;background:var(--brand-grad);filter:blur(80px);opacity:.28;
}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);
  border-radius:999px;padding:7px 16px;font-size:13px;font-weight:600;
  backdrop-filter:blur(4px);position:relative;z-index:2;
}
.page-hero h1{
  color:#fff;margin:20px 0 16px;position:relative;z-index:2;max-width:820px;
}
.hero-lead{
  font-size:17px;line-height:1.7;color:rgba(255,255,255,.86);
  max-width:660px;position:relative;z-index:2;
}
.hero-stats{
  display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;position:relative;z-index:2;
}
.hero-stat{
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);
  border-radius:var(--r-sm);padding:14px 20px;min-width:150px;
  backdrop-filter:blur(6px);
}
.hero-stat b{
  display:block;font-size:26px;font-weight:800;color:#fff;
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.hero-stat span{font-size:13px;color:rgba(255,255,255,.78);}

/* ---------- section ---------- */
.section{padding:72px 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:28px;}
.section-head p{color:var(--text-2);font-size:15px;margin-top:10px;max-width:620px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:600;
  color:var(--brand);background:var(--brand-light);border-radius:999px;padding:6px 14px;
}

/* ---------- layout: toc + content ---------- */
.layout{display:grid;grid-template-columns:240px 1fr;gap:32px;align-items:start;}
.toc{
  position:sticky;top:calc(var(--header-h) + 20px);
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:18px;box-shadow:var(--sh);
}
.toc h4{font-size:14px;color:var(--text-3);font-weight:600;padding:0 12px 10px;}
.toc a{
  display:block;padding:9px 12px;border-radius:12px;font-size:14px;color:var(--text-2);
}
.toc a:hover{background:var(--brand-light);color:var(--brand-deep);}
.toc a.active{background:var(--brand-light);color:var(--brand-deep);font-weight:600;}

/* ---------- capability items ---------- */
.cap-list{display:flex;flex-direction:column;gap:18px;}
.cap-item{
  display:flex;gap:20px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);padding:26px;box-shadow:var(--sh);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.cap-item:hover{transform:translateY(-4px);box-shadow:var(--sh-h);border-color:rgba(106,61,232,.4);}
.cap-num{
  width:48px;height:48px;flex-shrink:0;border-radius:16px;
  border:1px dashed rgba(106,61,232,.5);color:var(--brand);
  display:grid;place-items:center;font-size:17px;font-weight:800;
  font-variant-numeric:tabular-nums;
}
.cap-body h3{margin-bottom:10px;}
.cap-body p{color:var(--text-2);font-size:15px;line-height:1.75;}
.point-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px;}
.point{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--bg-2);color:var(--brand-deep);
  border-radius:999px;padding:6px 14px;font-size:13px;font-weight:600;
}
.point i{font-size:11px;}

/* ---------- media card ---------- */
.media-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  overflow:hidden;box-shadow:var(--sh);
}
.media-card img{width:100%;aspect-ratio:16/9;object-fit:cover;}
.media-card .media-body{padding:20px 24px 24px;}
.media-card .media-body p{color:var(--text-2);font-size:14px;margin-top:8px;}

/* ---------- stats row ---------- */
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;}
.stat{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-sm);
  padding:22px 18px;text-align:center;transition:all .22s ease;
}
.stat:hover{transform:translateY(-4px);box-shadow:var(--sh-h);border-color:rgba(106,61,232,.35);}
.stat b{
  display:block;font-size:28px;font-weight:800;color:var(--brand);
  font-variant-numeric:tabular-nums;line-height:1.2;
}
.stat span{display:block;font-size:13px;color:var(--text-3);margin-top:6px;}

/* ---------- table ---------- */
.table-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:10px;overflow-x:auto;box-shadow:var(--sh);
}
table{width:100%;border-collapse:collapse;min-width:640px;}
th{
  background:var(--bg-2);color:var(--brand-deep);font-size:14px;font-weight:700;
  text-align:left;padding:15px 18px;white-space:nowrap;
}
th:first-child{border-radius:14px 0 0 14px;}
th:last-child{border-radius:0 14px 14px 0;}
td{
  padding:15px 18px;font-size:14px;color:var(--text-2);
  border-top:1px solid var(--line);
}
tbody tr:hover td{background:#FCFAFF;}
td strong{color:var(--text);font-weight:600;}
.tick{color:var(--mint);font-weight:700;}

/* ---------- faq ---------- */
.faq-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);overflow:hidden;box-shadow:var(--sh);}
.faq-card details{border-bottom:1px solid var(--line);}
.faq-card details:last-child{border-bottom:0;}
.faq-card summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:0 24px;min-height:60px;font-size:15px;font-weight:600;color:var(--text);
  transition:color .2s ease;
}
.faq-card summary::-webkit-details-marker{display:none;}
.faq-card summary:hover{color:var(--brand);}
.faq-card details[open] summary{color:var(--brand);}
.faq-card summary i{color:var(--text-3);transition:transform .25s ease;font-size:14px;}
.faq-card details[open] summary i{transform:rotate(180deg);color:var(--brand);}
.faq-body{padding:0 24px 22px;font-size:15px;color:var(--text-2);line-height:1.8;}

/* ---------- cta ---------- */
.cta-band{
  position:relative;overflow:hidden;background:var(--dark);
  border-radius:var(--r-lg);padding:60px 44px;color:#fff;margin-top:72px;
}
.cta-band::before,.cta-band::after{
  content:"";position:absolute;border-radius:50%;filter:blur(80px);opacity:.4;
}
.cta-band::before{width:320px;height:320px;background:#6A3DE8;left:-80px;top:-120px;}
.cta-band::after{width:280px;height:280px;background:#FF7A45;right:-60px;bottom:-140px;opacity:.32;}
.cta-inner{position:relative;z-index:2;max-width:720px;}
.cta-band h2{color:#fff;}
.cta-band p{color:rgba(255,255,255,.78);font-size:16px;margin-top:14px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}

/* ---------- footer ---------- */
.site-footer{background:var(--dark);color:#fff;margin-top:88px;padding:64px 0 28px;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .logo-mark{width:38px;height:38px;border-radius:13px;}
.footer-brand .logo-main{color:#fff;}
.footer-brand .logo-sub{color:rgba(255,255,255,.55);}
.footer-about{font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:340px;}
.site-footer h4{font-size:15px;color:#fff;font-weight:600;margin-bottom:16px;}
.footer-links{display:flex;flex-direction:column;gap:10px;}
.footer-links a{
  font-size:14px;color:rgba(255,255,255,.62);
  transition:color .2s ease,transform .2s ease;
}
.footer-links a:hover{color:#fff;transform:translateX(2px);}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:rgba(255,255,255,.62);}
.footer-contact i{color:var(--coral);margin-right:8px;}
.subscribe{display:flex;gap:10px;margin-top:18px;}
.subscribe input{
  flex:1;min-width:0;height:42px;border-radius:999px;padding:0 16px;
  border:1px solid rgba(255,255,255,.18);background:rgba(255,255,255,.08);
  color:#fff;font-size:14px;outline:none;transition:all .2s ease;
}
.subscribe input::placeholder{color:rgba(255,255,255,.45);}
.subscribe input:focus{border-color:var(--brand);background:rgba(255,255,255,.14);}
.form-tip{font-size:13px;color:var(--mint);margin-top:10px;min-height:18px;}
.footer-bottom{
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  margin-top:48px;padding-top:22px;border-top:1px solid rgba(255,255,255,.08);
  font-size:13px;color:rgba(255,255,255,.5);
}

/* ---------- to top ---------- */
.to-top{
  position:fixed;right:24px;bottom:28px;width:46px;height:46px;border-radius:50%;
  background:var(--brand-grad);color:#fff;display:grid;place-items:center;
  box-shadow:0 12px 28px rgba(106,61,232,.34);
  opacity:0;visibility:hidden;transition:all .25s ease;z-index:70;
}
.to-top.show{opacity:1;visibility:visible;}
.to-top:hover{transform:translateY(-3px);}

/* ---------- responsive ---------- */
@media (max-width:1024px){
  .container{padding:0 24px;}
  .layout{grid-template-columns:1fr;}
  .toc{position:static;display:flex;gap:8px;overflow-x:auto;padding:12px;}
  .toc h4{display:none;}
  .toc a{white-space:nowrap;background:var(--bg-2);}
  .stat-row{grid-template-columns:repeat(2,1fr);}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
  .page-hero{padding:44px 32px;}
}
@media (max-width:768px){
  :root{--header-h:112px;}
  .container{padding:0 16px;}
  .search{display:none;}
  .top-actions .text-link{display:none;}
  .topbar{height:64px;gap:12px;}
  .channel-toggle{display:inline-flex;margin-bottom:10px;}
  .channelbar{height:auto;padding-bottom:12px;}
  .section{padding:56px 0 0;}
  .page-hero{padding:34px 22px;border-radius:var(--r-md);}
  .hero-lead{font-size:15px;}
  .hero-stat{flex:1 1 calc(50% - 8px);min-width:0;padding:12px 14px;}
  .hero-stat b{font-size:22px;}
  .cap-item{padding:20px;flex-direction:column;gap:14px;}
  .cta-band{padding:40px 24px;margin-top:56px;}
  .site-footer{padding:48px 0 24px;margin-top:64px;}
  .footer-grid{grid-template-columns:1fr;}
  .subscribe{flex-direction:column;}
  .subscribe .btn{width:100%;}
  .footer-bottom{flex-direction:column;gap:8px;}
}
@media (max-width:520px){
  .stat-row{grid-template-columns:1fr;}
  .btn{width:100%;}
  .cta-actions .btn{width:100%;}
  .channel-toggle{width:100%;justify-content:center;}
}

/* roulang page: article */
:root{
        --brand:#6A3DE8;
        --brand-deep:#4C1FB8;
        --brand-soft:#EDE6FF;
        --coral:#FF7A45;
        --mint:#22C3A6;
        --grad:linear-gradient(135deg,#6A3DE8 0%,#B23BE8 55%,#FF7A45 100%);
        --bg:#FAF8FF;
        --bg-2:#F3EFFF;
        --dark:#17122B;
        --ink:#1B1533;
        --ink-2:#5B5470;
        --ink-3:#8C86A0;
        --line:#ECE6FA;
        --r-lg:28px;
        --r-md:22px;
        --r-sm:18px;
        --r-xs:14px;
        --sh-1:0 4px 16px rgba(106,61,232,.08);
        --sh-2:0 14px 34px rgba(106,61,232,.16);
        --container:1200px;
    }
    *,*::before,*::after{box-sizing:border-box;}
    html{scroll-behavior:smooth;}
    body{
        margin:0;
        background:var(--bg);
        color:var(--ink);
        font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
        font-size:16px;
        line-height:1.75;
        -webkit-font-smoothing:antialiased;
        overflow-x:hidden;
    }
    img{max-width:100%;display:block;}
    a{color:inherit;text-decoration:none;}
    button,input{font:inherit;}
    h1,h2,h3,h4{margin:0;letter-spacing:-.01em;}
    p{margin:0;}
    .container{width:100%;max-width:var(--container);margin:0 auto;padding:0 32px;}
    .tabular{font-variant-numeric:tabular-nums;}

    /* ============ 按钮 ============ */
    .btn{
        display:inline-flex;align-items:center;justify-content:center;gap:8px;
        border-radius:999px;font-weight:600;font-size:15px;
        padding:12px 26px;border:1px solid transparent;cursor:pointer;
        transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
        white-space:nowrap;
    }
    .btn-sm{padding:9px 20px;font-size:14px;}
    .btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 22px rgba(106,61,232,.28);}
    .btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(106,61,232,.36);filter:saturate(1.12);}
    .btn-outline{background:#fff;border-color:rgba(106,61,232,.45);color:var(--brand-deep);}
    .btn-outline:hover{background:var(--brand-soft);transform:translateY(-2px);}
    .btn-ghost-light{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.28);color:#fff;}
    .btn-ghost-light:hover{background:rgba(255,255,255,.16);transform:translateY(-2px);}
    .btn:focus-visible,.chip:focus-visible,a:focus-visible,input:focus-visible,button:focus-visible{
        outline:none;box-shadow:0 0 0 3px rgba(106,61,232,.28);
    }
    .text-link{font-size:14px;font-weight:600;color:var(--ink-2);transition:color .2s ease;}
    .text-link:hover{color:var(--brand);}

    /* ============ 顶部导航 ============ */
    .site-header{
        position:sticky;top:0;z-index:60;
        background:rgba(250,248,255,.94);
        backdrop-filter:blur(14px);
        border-bottom:1px solid var(--line);
    }
    .topbar{display:flex;align-items:center;gap:24px;height:72px;}
    .logo{display:flex;align-items:center;gap:11px;flex:0 0 auto;}
    .logo-mark{
        width:38px;height:38px;border-radius:12px;background:var(--grad);
        color:#fff;font-weight:800;font-size:18px;display:grid;place-items:center;
        box-shadow:0 6px 18px rgba(106,61,232,.28);
    }
    .logo-text{display:flex;flex-direction:column;line-height:1.15;}
    .logo-main{font-weight:800;font-size:17px;}
    .logo-sub{font-size:11px;color:var(--ink-3);letter-spacing:.06em;}
    .search{
        flex:1 1 auto;max-width:520px;display:flex;align-items:center;gap:10px;
        height:44px;padding:0 18px;background:#fff;border:1px solid var(--line);
        border-radius:999px;box-shadow:var(--sh-1);transition:border-color .2s ease,box-shadow .2s ease;
    }
    .search i{color:var(--ink-3);font-size:14px;}
    .search input{flex:1;border:0;outline:0;background:transparent;font-size:14px;color:var(--ink);min-width:0;}
    .search input::placeholder{color:var(--ink-3);}
    .search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(106,61,232,.12);}
    .top-actions{display:flex;align-items:center;gap:16px;margin-left:auto;}
    .channelbar{
        display:flex;align-items:center;gap:10px;height:48px;overflow-x:auto;
        scrollbar-width:none;scroll-snap-type:x proximity;
    }
    .channelbar::-webkit-scrollbar{display:none;}
    .chip{
        flex:0 0 auto;scroll-snap-align:start;padding:8px 18px;border-radius:999px;
        font-size:14px;font-weight:600;color:var(--ink-2);border:1px solid transparent;
        transition:background .22s ease,color .22s ease,box-shadow .22s ease;
    }
    .chip:hover{background:var(--brand-soft);color:var(--brand-deep);}
    .chip.active{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(106,61,232,.24);}
    .channel-toggle{
        display:none;width:100%;margin:0 0 12px;padding:10px 16px;border-radius:var(--r-xs);
        background:#fff;border:1px solid var(--line);color:var(--brand-deep);font-size:14px;font-weight:600;cursor:pointer;
    }
    .channelbar.collapsed{display:none;}

    /* ============ 文章头部 ============ */
    .article-hero{padding:28px 0 0;}
    .breadcrumb{
        display:flex;align-items:center;gap:8px;flex-wrap:wrap;
        font-size:14px;color:var(--ink-3);margin-bottom:16px;
    }
    .breadcrumb a{color:var(--ink-2);transition:color .2s ease;}
    .breadcrumb a:hover{color:var(--brand);}
    .breadcrumb .current{
        color:var(--ink-3);max-width:340px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
    }
    .page-band{
        position:relative;overflow:hidden;
        background:linear-gradient(135deg,#F3EFFF 0%,#EDE6FF 100%);
        border:1px solid var(--line);border-radius:var(--r-lg);
        padding:38px 42px 34px;
    }
    .page-band::after{
        content:"";position:absolute;right:-130px;top:-150px;width:340px;height:340px;
        border-radius:50%;background:var(--grad);filter:blur(90px);opacity:.16;
    }
    .badge-cat{
        display:inline-flex;align-items:center;gap:8px;position:relative;
        padding:6px 16px;border-radius:999px;background:#fff;border:1px solid var(--line);
        font-size:12.5px;font-weight:600;color:var(--brand-deep);box-shadow:var(--sh-1);
    }
    .badge-cat i{color:var(--coral);}
    .article-title{
        position:relative;margin:18px 0 16px;
        font-size:clamp(26px,3.6vw,40px);font-weight:800;line-height:1.28;
        max-width:900px;
    }
    .article-title-site{
        display:inline-block;font-size:15px;font-weight:600;color:var(--ink-3);
        margin-left:10px;vertical-align:middle;
    }
    .article-meta{display:flex;flex-wrap:wrap;gap:10px;position:relative;}
    .meta-pill{
        display:inline-flex;align-items:center;gap:7px;
        padding:6px 14px;border-radius:999px;background:rgba(255,255,255,.78);
        border:1px solid var(--line);font-size:13px;color:var(--ink-2);
    }
    .meta-pill i{color:var(--brand);font-size:12px;}

    /* ============ 正文布局 ============ */
    .article-wrap{
        display:grid;grid-template-columns:minmax(0,1fr) 300px;
        gap:48px;align-items:start;padding:48px 0 24px;
    }
    .article-card{
        background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
        box-shadow:var(--sh-1);padding:44px 48px 48px;
    }
    .article-body{max-width:760px;margin:0 auto;overflow-wrap:break-word;}
    .article-body h2{
        position:relative;font-size:clamp(21px,2.4vw,26px);font-weight:700;line-height:1.35;
        margin:40px 0 16px;padding-left:18px;
    }
    .article-body h2::before{
        content:"";position:absolute;left:0;top:.24em;width:4px;height:1em;border-radius:3px;background:var(--grad);
    }
    .article-body h3{font-size:20px;font-weight:600;margin:28px 0 12px;}
    .article-body h2:first-child,.article-body h3:first-child{margin-top:0;}
    .article-body p{margin:0 0 18px;line-height:1.75;color:var(--ink-2);}
    .article-body strong{color:var(--ink);font-weight:700;}
    .article-body a{color:var(--brand-deep);border-bottom:1px solid rgba(106,61,232,.3);}
    .article-body a:hover{color:var(--brand);}
    .article-body ul{margin:0 0 18px;padding:0;line-height:1.8;}
    .article-body ul li{list-style:none;position:relative;padding-left:18px;margin-bottom:8px;color:var(--ink-2);}
    .article-body ul li::before{
        content:"";position:absolute;left:0;top:.72em;width:6px;height:6px;border-radius:50%;background:var(--grad);
    }
    .article-body ol{margin:0 0 18px;padding:0;list-style:none;counter-reset:li;}
    .article-body ol li{
        counter-increment:li;position:relative;padding-left:36px;margin-bottom:10px;color:var(--ink-2);line-height:1.8;
    }
    .article-body ol li::before{
        content:counter(li);position:absolute;left:0;top:.28em;width:22px;height:22px;border-radius:50%;
        background:var(--brand-soft);color:var(--brand-deep);font-size:12px;font-weight:700;
        display:grid;place-items:center;
    }
    .article-body blockquote{
        position:relative;margin:24px 0;padding:18px 22px 18px 26px;
        background:var(--brand-soft);border-radius:16px;color:var(--brand-deep);font-size:15px;
    }
    .article-body blockquote::before{
        content:"";position:absolute;left:0;top:12px;bottom:12px;width:4px;border-radius:3px;background:var(--grad);
    }
    .article-body blockquote p{margin:0;color:inherit;}
    .article-body img{border-radius:18px;margin:24px auto;}
    .article-body figure{margin:24px 0;}
    .article-body figcaption,.article-body .caption{
        text-align:center;font-size:13px;color:var(--ink-3);margin-top:10px;
    }
    .article-body hr{border:0;border-top:1px solid var(--line);margin:32px 0;}
    .table-scroll{overflow-x:auto;margin:24px 0;border:1px solid var(--line);border-radius:var(--r-sm);}
    .article-body table{width:100%;border-collapse:collapse;font-size:15px;min-width:520px;}
    .article-body th{
        background:var(--bg-2);color:var(--ink);font-weight:700;text-align:left;
        padding:12px 16px;border-bottom:1px solid var(--line);
    }
    .article-body td{padding:12px 16px;border-bottom:1px solid var(--line);color:var(--ink-2);}
    .article-body tr:last-child td{border-bottom:0;}

    /* ============ 侧栏 ============ */
    .side{display:flex;flex-direction:column;gap:22px;position:sticky;top:140px;}
    .side-card{
        background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
        box-shadow:var(--sh-1);padding:22px;
        transition:box-shadow .22s ease,border-color .22s ease,transform .22s ease;
    }
    .side-card:hover{box-shadow:var(--sh-2);border-color:rgba(106,61,232,.4);}
    .side-title{
        display:flex;align-items:center;gap:8px;font-size:15px;font-weight:700;margin-bottom:14px;
    }
    .side-title i{color:var(--brand);font-size:13px;}
    #tocList{list-style:none;margin:0;padding:0;display:flex;flex-direction:column;gap:9px;}
    #tocList li a{
        display:block;font-size:14px;color:var(--ink-2);line-height:1.5;
        padding-left:12px;border-left:2px solid var(--line);transition:all .2s ease;
    }
    #tocList li a:hover{color:var(--brand);border-left-color:var(--brand);}
    #tocList li.toc-lv3 a{padding-left:24px;font-size:13.5px;color:var(--ink-3);}
    .toc-empty{font-size:13.5px;color:var(--ink-3);}
    .rec-item{display:flex;gap:12px;padding:10px 0;border-bottom:1px dashed var(--line);}
    .rec-item:last-child{border-bottom:0;padding-bottom:0;}
    .rec-thumb{
        flex:0 0 76px;width:76px;aspect-ratio:16/9;border-radius:12px;overflow:hidden;background:var(--bg-2);
    }
    .rec-thumb img{width:100%;height:100%;object-fit:cover;}
    .rec-title{font-size:14px;font-weight:600;line-height:1.5;color:var(--ink);transition:color .2s ease;}
    .rec-item:hover .rec-title{color:var(--brand);}
    .rec-meta{font-size:12.5px;color:var(--ink-3);margin-top:2px;}
    .tag-list{display:flex;flex-wrap:wrap;gap:8px;}
    .tag{
        display:inline-block;padding:6px 14px;border-radius:999px;background:var(--bg-2);
        border:1px solid var(--line);font-size:13px;color:var(--ink-2);transition:all .2s ease;
    }
    .tag:hover{background:var(--brand-soft);color:var(--brand-deep);border-color:rgba(106,61,232,.4);}

    /* ============ 文末 ============ */
    .article-foot{margin-top:36px;padding-top:28px;border-top:1px solid var(--line);}
    .foot-label{font-size:13px;color:var(--ink-3);margin-bottom:10px;font-weight:600;}
    .postnav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin:26px 0 0;}
    .postnav a{
        display:block;padding:18px 20px;border-radius:var(--r-sm);
        background:var(--bg-2);border:1px solid var(--line);transition:all .22s ease;
    }
    .postnav a:hover{background:var(--brand-soft);border-color:rgba(106,61,232,.4);transform:translateY(-3px);}
    .postnav span{display:block;font-size:12.5px;color:var(--ink-3);margin-bottom:6px;}
    .postnav strong{font-size:15px;font-weight:700;color:var(--ink);}
    .back-entry{margin-top:22px;}

    /* ============ 相关推荐 ============ */
    .section{padding:64px 0;}
    .section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:28px;flex-wrap:wrap;}
    .section-head h2{font-size:clamp(22px,2.8vw,30px);font-weight:700;}
    .section-head p{font-size:15px;color:var(--ink-2);margin-top:8px;}
    .arrow-link{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;color:var(--brand);}
    .arrow-link i{transition:transform .22s ease;}
    .arrow-link:hover i{transform:translateX(4px);}
    .card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
    .card{
        background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
        box-shadow:var(--sh-1);overflow:hidden;transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
    }
    .card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(106,61,232,.4);}
    .card-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--bg-2);}
    .card-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
    .card:hover .card-thumb img{transform:scale(1.05);}
    .card-body{padding:20px 22px 22px;}
    .card-body h3{font-size:17px;font-weight:700;line-height:1.5;margin:12px 0 8px;}
    .card-body p{font-size:14px;color:var(--ink-2);line-height:1.7;}
    .card-meta{display:flex;align-items:center;justify-content:space-between;margin-top:16px;font-size:13px;color:var(--ink-3);}
    .pill-cat{
        display:inline-block;padding:4px 12px;border-radius:999px;
        background:var(--brand-soft);color:var(--brand-deep);font-size:12.5px;font-weight:600;
    }

    /* ============ 空态 ============ */
    .empty-state{
        text-align:center;padding:70px 24px;border:1px dashed var(--line);
        border-radius:var(--r-md);background:var(--bg-2);
    }
    .empty-state i{font-size:34px;color:var(--mint);margin-bottom:14px;display:block;}
    .empty-state p{font-size:16px;color:var(--ink-2);margin-bottom:20px;}

    /* ============ 免责声明 ============ */
    .disclaimer{
        background:#F4F2F8;border-radius:var(--r-sm);padding:18px 22px;
        font-size:13px;color:var(--ink-3);line-height:1.8;margin-top:28px;
    }

    /* ============ CTA ============ */
    .cta-band{
        position:relative;overflow:hidden;background:var(--dark);color:#fff;
        border-radius:var(--r-lg);margin:24px auto 0;max-width:var(--container);
    }
    .cta-band::before{
        content:"";position:absolute;left:-90px;bottom:-160px;width:380px;height:380px;border-radius:50%;
        background:var(--grad);filter:blur(90px);opacity:.34;
    }
    .cta-band::after{
        content:"";position:absolute;right:-80px;top:-160px;width:340px;height:340px;border-radius:50%;
        background:linear-gradient(135deg,#22C3A6 0%,#6A3DE8 100%);filter:blur(100px);opacity:.22;
    }
    .cta-inner{
        position:relative;display:flex;align-items:center;justify-content:space-between;
        gap:32px;padding:52px 48px;flex-wrap:wrap;
    }
    .cta-inner h2{font-size:clamp(22px,3vw,32px);font-weight:800;margin-bottom:12px;}
    .cta-inner p{font-size:15px;color:#BFB8DC;max-width:560px;}
    .cta-actions{display:flex;gap:14px;flex-wrap:wrap;}

    /* ============ 页脚 ============ */
    .site-footer{background:var(--dark);color:#C9C2E4;margin-top:80px;}
    .footer-grid{
        display:grid;grid-template-columns:1.6fr 1fr 1.1fr 1.4fr;gap:40px;
        padding:64px 0 40px;
    }
    .footer-brand{display:flex;align-items:center;gap:11px;margin-bottom:16px;}
    .footer-brand .logo-main{color:#fff;}
    .footer-brand .logo-sub{color:#8C86A0;}
    .footer-about{font-size:14px;line-height:1.8;color:#A79FCC;max-width:340px;}
    .site-footer h4{font-size:15px;color:#fff;margin-bottom:16px;}
    .footer-links{display:flex;flex-direction:column;gap:10px;}
    .footer-links a{
        display:inline-block;font-size:14px;color:#A79FCC;transition:color .2s ease,transform .2s ease;
    }
    .footer-links a:hover{color:#fff;transform:translateX(-2px);}
    .footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:#A79FCC;margin-bottom:16px;}
    .footer-contact i{color:var(--coral);margin-right:8px;}
    .subscribe{display:flex;gap:10px;}
    .subscribe input{
        flex:1;min-width:0;height:42px;padding:0 16px;border-radius:999px;
        background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.16);
        color:#fff;font-size:14px;outline:none;transition:border-color .2s ease,background .2s ease;
    }
    .subscribe input::placeholder{color:#8C86A0;}
    .subscribe input:focus{border-color:var(--brand);background:rgba(255,255,255,.1);}
    .form-tip{font-size:13px;color:var(--mint);margin-top:10px;min-height:18px;}
    .footer-bottom{
        display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
        border-top:1px solid rgba(255,255,255,.08);padding:20px 0 26px;
        font-size:13.5px;color:#8C86A0;
    }

    /* ============ 返回顶部 ============ */
    .backtop{
        position:fixed;right:26px;bottom:26px;width:46px;height:46px;border-radius:50%;
        background:var(--grad);color:#fff;border:0;cursor:pointer;display:grid;place-items:center;
        box-shadow:0 10px 26px rgba(106,61,232,.36);opacity:0;pointer-events:none;
        transition:opacity .3s ease,transform .3s ease;z-index:70;
    }
    .backtop.show{opacity:1;pointer-events:auto;}
    .backtop:hover{transform:translateY(-3px);}

    /* ============ 响应式 ============ */
    @media (max-width:1024px){
        .container{padding:0 24px;}
        .article-wrap{grid-template-columns:minmax(0,1fr);gap:32px;}
        .side{position:static;order:2;}
        .article-card{padding:32px 28px 34px;}
        .footer-grid{grid-template-columns:1fr 1fr;gap:32px;}
        .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
        .search{max-width:320px;}
    }
    @media (max-width:768px){
        .container{padding:0 16px;}
        .topbar{height:64px;gap:14px;flex-wrap:wrap;}
        .search{order:3;flex:1 1 100%;max-width:none;height:40px;margin-bottom:10px;}
        .top-actions .text-link{display:none;}
        .channel-toggle{display:block;}
        .channelbar{height:auto;padding:6px 0 14px;}
        .page-band{padding:26px 22px 24px;border-radius:var(--r-md);}
        .article-title-site{display:block;margin:8px 0 0;font-size:14px;}
        .article-card{padding:26px 20px 28px;}
        .article-wrap{padding:32px 0 12px;}
        .section{padding:48px 0;}
        .card-grid{grid-template-columns:1fr;}
        .postnav{grid-template-columns:1fr;}
        .cta-inner{padding:36px 24px;}
        .footer-grid{grid-template-columns:1fr;gap:28px;padding:48px 0 28px;}
        .subscribe{flex-direction:column;}
        .subscribe .btn{width:100%;}
        .footer-bottom{flex-direction:column;align-items:flex-start;}
        .breadcrumb .current{max-width:200px;}
    }
    @media (max-width:520px){
        .article-body h2{font-size:20px;}
        .btn{padding:11px 20px;font-size:14px;}
        .cta-actions{width:100%;}
        .cta-actions .btn{flex:1 1 100%;}
        .backtop{right:16px;bottom:16px;}
    }

/* roulang page: category2 */
:root{
  --brand:#6A3DE8;
  --brand-dark:#4C1FB8;
  --brand-light:#EDE6FF;
  --coral:#FF7A45;
  --mint:#22C3A6;
  --bg:#FAF8FF;
  --bg-soft:#F3EFFF;
  --ink-dark:#17122B;
  --text:#1B1533;
  --text-2:#5B5470;
  --text-3:#8C86A0;
  --line:#ECE6FA;
  --grad:linear-gradient(135deg,#6A3DE8 0%,#B23BE8 52%,#FF7A45 100%);
  --r-xl:28px;
  --r-lg:22px;
  --r-md:18px;
  --shadow:0 4px 16px rgba(106,61,232,.08);
  --shadow-hover:0 14px 34px rgba(106,61,232,.16);
  --ease:220ms ease;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.75;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button{font:inherit;cursor:pointer;border:0;background:none}
input{font:inherit}
h1,h2,h3,h4{margin:0;letter-spacing:-.01em;color:var(--text)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{max-width:1200px;margin:0 auto;padding:0 16px}
@media(min-width:768px){.container{padding:0 24px}}
@media(min-width:1024px){.container{padding:0 32px}}
.num,.tabular{font-variant-numeric:tabular-nums}

/* ---------- header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(250,248,255,.94);
  backdrop-filter:blur(14px);
  border-bottom:1px solid var(--line);
}
.topbar{display:flex;align-items:center;gap:16px;height:64px}
@media(min-width:1024px){.topbar{height:72px;gap:24px}}
.logo{display:flex;align-items:center;gap:10px;flex-shrink:0}
.logo-mark{
  width:40px;height:40px;border-radius:14px;background:var(--grad);
  color:#fff;font-weight:800;font-size:18px;display:grid;place-items:center;
  box-shadow:0 6px 18px rgba(106,61,232,.28);
}
.logo-text{display:flex;flex-direction:column;line-height:1.16}
.logo-main{font-size:17px;font-weight:800}
.logo-sub{font-size:11px;color:var(--text-3);letter-spacing:.16em}
.search{
  display:none;flex:1;max-width:360px;align-items:center;gap:10px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  height:44px;padding:0 18px;transition:border-color var(--ease),box-shadow var(--ease),background var(--ease);
}
@media(min-width:768px){.search{display:flex}}
.search i{color:var(--text-3);font-size:14px}
.search input{flex:1;border:0;outline:none;background:transparent;height:100%;font-size:14px;color:var(--text)}
.search input::placeholder{color:var(--text-3)}
.search:focus-within{border-color:var(--brand);background:var(--brand-light);box-shadow:0 0 0 4px rgba(106,61,232,.12)}
.top-actions{display:flex;align-items:center;gap:10px;margin-left:auto}
.text-link{font-size:14px;font-weight:600;color:var(--text-2);display:none;transition:color var(--ease)}
@media(min-width:1024px){.text-link{display:inline-flex}}
.text-link:hover{color:var(--brand)}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:600;border:1px solid transparent;
  transition:transform var(--ease),box-shadow var(--ease),background var(--ease),color var(--ease),border-color var(--ease);
}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-md{padding:13px 26px;font-size:15px}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 8px 22px rgba(106,61,232,.26)}
.btn-primary:hover{transform:translateY(-2px);box-shadow:0 14px 32px rgba(106,61,232,.34)}
.btn-ghost{background:#fff;border-color:rgba(106,61,232,.35);color:var(--brand)}
.btn-ghost:hover{background:var(--brand-light);transform:translateY(-2px)}
.channelbar{
  display:flex;gap:10px;overflow-x:auto;padding:6px 0 14px;
  scroll-snap-type:x proximity;scrollbar-width:none;
}
.channelbar::-webkit-scrollbar{display:none}
.chip{
  scroll-snap-align:start;white-space:nowrap;
  padding:8px 18px;border-radius:999px;font-size:14px;font-weight:600;
  color:var(--text-2);border:1px solid transparent;background:transparent;
  transition:all var(--ease);
}
.chip:hover{background:#fff;border-color:var(--line);color:var(--brand)}
.chip.active{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(106,61,232,.24)}
.channel-toggle{
  display:none;align-items:center;gap:6px;margin:0 0 12px;
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:7px 16px;font-size:13px;font-weight:600;color:var(--text-2);
}
@media(max-width:640px){
  .channelbar{display:none}
  .channelbar.is-open{display:flex}
  .channel-toggle{display:inline-flex}
}

/* ---------- hero ---------- */
.hero-scene{position:relative;padding:44px 0 120px;overflow:visible}
.hero-scene-media{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.png');
  background-size:cover;background-position:center;
}
.hero-scene-veil{
  position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(76,31,184,.92) 0%,rgba(106,61,232,.80) 45%,rgba(255,122,69,.74) 100%);
}
.hero-scene-inner{position:relative;z-index:2;max-width:800px}
.breadcrumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:14px;color:var(--text-3);margin-bottom:20px}
.breadcrumb a{transition:color var(--ease)}
.breadcrumb a:hover{color:var(--brand)}
.hero-scene .breadcrumb{color:rgba(255,255,255,.78)}
.hero-scene .breadcrumb a:hover{color:#fff}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.34);
  color:#fff;font-size:13px;font-weight:600;padding:6px 16px;border-radius:999px;
  backdrop-filter:blur(6px);margin-bottom:18px;
}
.hero-scene h1{
  color:#fff;font-size:clamp(30px,5vw,52px);font-weight:800;line-height:1.2;letter-spacing:-.01em;
}
.hero-lead{
  color:rgba(255,255,255,.9);font-size:clamp(16px,2vw,19px);
  line-height:1.7;margin-top:18px;max-width:660px;
}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px}
.hero-scene .btn-ghost{background:rgba(255,255,255,.14);border-color:rgba(255,255,255,.5);color:#fff}
.hero-scene .btn-ghost:hover{background:rgba(255,255,255,.24)}
.hero-stats-wrap{position:relative;z-index:6;margin-top:-78px}
.hero-stats{display:grid;grid-template-columns:repeat(2,1fr);gap:14px}
@media(min-width:900px){.hero-stats{grid-template-columns:repeat(4,1fr);gap:20px}}
.stat-badge{
  background:#fff;border:1px solid var(--line);border-radius:20px;
  padding:18px;box-shadow:var(--shadow-hover);
  transition:transform var(--ease),box-shadow var(--ease);
}
.stat-badge:hover{transform:translateY(-4px);box-shadow:0 20px 40px rgba(106,61,232,.2)}
.stat-badge .num{
  display:block;font-size:clamp(24px,3vw,30px);font-weight:800;line-height:1.2;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-badge .lbl{font-size:13px;color:var(--text-2);margin-top:4px;display:block}
@media(min-width:900px){.hero-scene{padding:64px 0 130px}}
@media(max-width:520px){.hero-stats-wrap{margin-top:-58px}}

/* ---------- sections ---------- */
.section{padding:56px 0}
@media(min-width:768px){.section{padding:72px 0}}
@media(min-width:1024px){.section{padding:96px 0}}
.section-soft{background:var(--bg-soft)}
.section-head{max-width:720px;margin-bottom:34px}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  color:var(--brand-dark);background:var(--brand-light);border-radius:999px;padding:5px 14px;margin-bottom:14px;
}
.section-head h2{font-size:clamp(24px,3.4vw,36px);font-weight:700;line-height:1.28}
.section-head p{color:var(--text-2);font-size:16px;margin-top:14px}
.head-row{display:flex;flex-wrap:wrap;align-items:flex-end;justify-content:space-between;gap:18px}

.pill-row{display:flex;gap:10px;overflow-x:auto;padding-bottom:6px;scrollbar-width:none;margin-bottom:30px}
.pill-row::-webkit-scrollbar{display:none}
.pill{
  white-space:nowrap;padding:8px 18px;border-radius:999px;background:#fff;
  border:1px solid var(--line);font-size:14px;font-weight:600;color:var(--text-2);
  transition:all var(--ease);
}
.pill:hover{color:var(--brand);border-color:rgba(106,61,232,.35)}
.pill.active{background:var(--brand-light);border-color:rgba(106,61,232,.4);color:var(--brand-dark)}

/* 交错卡片 */
.scene-columns{display:grid;grid-template-columns:1fr;gap:24px}
@media(min-width:900px){
  .scene-columns{grid-template-columns:1fr 1fr;gap:28px;align-items:start}
  .scene-col-offset{margin-top:56px}
}
.scene-col{display:flex;flex-direction:column;gap:24px}
.scene-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px;box-shadow:var(--shadow);overflow:hidden;
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(106,61,232,.4)}
.scene-card-tall{padding:0}
.scene-card-media{aspect-ratio:16/9;overflow:hidden}
.scene-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.scene-card:hover .scene-card-media img{transform:scale(1.04)}
.scene-card-body{padding:24px}
.scene-icon{
  width:46px;height:46px;border-radius:15px;background:var(--grad);color:#fff;
  display:grid;place-items:center;font-size:17px;box-shadow:0 8px 18px rgba(106,61,232,.22);
}
.scene-icon.mint{background:linear-gradient(135deg,#22C3A6,#2ED0A0);box-shadow:0 8px 18px rgba(34,195,166,.24)}
.scene-icon.coral{background:linear-gradient(135deg,#FF7A45,#FF9A5B);box-shadow:0 8px 18px rgba(255,122,69,.24)}
.scene-card h3{font-size:20px;font-weight:700;margin-top:16px}
.scene-card p{color:var(--text-2);font-size:15px;line-height:1.75;margin-top:10px}
.tag-row{display:flex;flex-wrap:wrap;gap:8px;margin-top:14px}
.tag{
  font-size:12.5px;font-weight:600;color:var(--text-2);
  background:var(--bg-soft);border:1px solid var(--line);border-radius:999px;padding:4px 12px;
}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;margin-top:18px;
  font-size:14px;font-weight:700;color:var(--brand);
}
.link-arrow i{transition:transform var(--ease)}
.link-arrow:hover i{transform:translateX(4px)}

/* 流程 */
.flow{display:grid;grid-template-columns:1fr;gap:22px}
@media(min-width:768px){.flow{grid-template-columns:repeat(4,1fr);gap:24px}}
.flow-step{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);padding:24px;box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease);
}
.flow-step:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.flow-num{
  width:44px;height:44px;border-radius:50%;background:var(--grad);color:#fff;
  font-weight:800;font-size:17px;display:grid;place-items:center;
  box-shadow:0 8px 18px rgba(106,61,232,.22);
}
.flow-step h3{font-size:18px;font-weight:700;margin-top:16px}
.flow-step p{font-size:14.5px;color:var(--text-2);margin-top:8px}
.flow-step::after{
  content:"";position:absolute;top:46px;right:-24px;width:24px;
  border-top:2px dashed #D9CFFB;display:none;
}
@media(min-width:768px){
  .flow-step::after{display:block}
  .flow-step:last-child::after{display:none}
}

/* 指标带 */
.metric-band{position:relative;overflow:hidden;border-radius:32px;background:var(--ink-dark);padding:40px 24px}
.metric-band::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(106,61,232,.42) 0%,rgba(178,59,232,.24) 48%,rgba(255,122,69,.32) 100%);
}
.metric-band > *{position:relative;z-index:2}
.metric-band h2{color:#fff;font-size:clamp(22px,3vw,30px);font-weight:700}
.metric-band .band-lead{color:rgba(207,199,232,.95);font-size:15px;margin-top:12px;max-width:640px}
.metric-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:22px;margin-top:32px}
@media(min-width:768px){.metric-grid{grid-template-columns:repeat(4,1fr)}}
.metric{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.12);border-radius:20px;padding:20px}
.metric .m-num{
  display:block;font-size:clamp(26px,3.2vw,32px);font-weight:800;line-height:1.2;
  background:linear-gradient(135deg,#C08CFF,#FF9A5B);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.metric .m-lbl{display:block;font-size:13px;color:#A79ECB;margin-top:6px}

/* 案例 */
.case-grid{display:grid;grid-template-columns:1fr;gap:24px}
@media(min-width:900px){.case-grid{grid-template-columns:1fr 1fr;gap:28px}}
.case-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);
  overflow:hidden;box-shadow:var(--shadow);
  transition:transform var(--ease),box-shadow var(--ease),border-color var(--ease);
}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(106,61,232,.35)}
.case-card img{width:100%;aspect-ratio:16/9;object-fit:cover;background:var(--bg-soft)}
.case-body{padding:26px}
.mint-badge{
  display:inline-flex;align-items:baseline;gap:6px;border-radius:999px;
  background:rgba(34,195,166,.12);color:#128A75;font-size:13px;font-weight:600;padding:6px 14px;
}
.mint-badge b{font-size:20px;font-weight:800;font-variant-numeric:tabular-nums}
.case-body h3{font-size:20px;font-weight:700;margin-top:16px}
.case-body p{color:var(--text-2);font-size:15px;margin-top:10px}
.case-quote{
  margin-top:16px;border-left:3px solid transparent;
  border-image:linear-gradient(180deg,#6A3DE8,#FF7A45) 1;
  padding-left:14px;font-size:14.5px;color:var(--text-2);
}

/* FAQ */
.faq-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);box-shadow:var(--shadow);padding:6px 22px}
@media(min-width:768px){.faq-card{padding:6px 30px}}
.faq-item{border-bottom:1px solid var(--line)}
.faq-item:last-child{border-bottom:0}
.faq-item > summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:16px;min-height:56px;padding:20px 0;font-size:16px;font-weight:600;color:var(--text);
  transition:color var(--ease);
}
.faq-item > summary::-webkit-details-marker{display:none}
.faq-item[open] > summary{color:var(--brand)}
.faq-arrow{flex-shrink:0;color:var(--text-3);transition:transform .25s ease,color var(--ease)}
.faq-item[open] .faq-arrow{transform:rotate(180deg);color:var(--brand)}
.faq-answer{padding:0 0 22px;color:var(--text-2);font-size:15px;line-height:1.8}

/* CTA */
.cta-band{
  position:relative;overflow:hidden;border-radius:32px;background:var(--ink-dark);
  padding:56px 24px;text-align:center;color:#fff;
}
.cta-band::before{
  content:"";position:absolute;width:420px;height:420px;border-radius:50%;
  background:radial-gradient(circle,rgba(106,61,232,.6),transparent 70%);
  top:-180px;left:-100px;filter:blur(28px);
}
.cta-band::after{
  content:"";position:absolute;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,122,69,.45),transparent 70%);
  bottom:-190px;right:-90px;filter:blur(28px);
}
.cta-band > *{position:relative;z-index:3}
.cta-band h2{color:#fff;font-size:clamp(24px,3.4vw,34px);font-weight:700}
.cta-band p{color:rgba(207,199,232,.95);font-size:16px;margin-top:14px}
.cta-actions{display:flex;flex-wrap:wrap;justify-content:center;gap:14px;margin-top:30px}
.cta-band .btn-ghost{background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.5);color:#fff}
.cta-band .btn-ghost:hover{background:rgba(255,255,255,.22)}

/* footer */
.site-footer{background:var(--ink-dark);color:#CFC7E8;margin-top:64px;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
@media(min-width:768px){.footer-grid{grid-template-columns:repeat(2,1fr)}}
@media(min-width:1024px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.3fr;gap:40px}}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .logo-mark{box-shadow:none}
.footer-brand .logo-main{color:#fff;font-weight:800;font-size:17px}
.footer-brand .logo-sub{color:#8C86A0;font-size:11px;letter-spacing:.16em}
.footer-about{font-size:14px;line-height:1.8;color:#A79ECB}
.site-footer h4{font-size:15px;font-weight:600;color:#fff;margin-bottom:16px}
.footer-links{display:flex;flex-direction:column;gap:10px}
.footer-links a{font-size:14px;color:#A79ECB;transition:color var(--ease),transform var(--ease)}
.footer-links a:hover{color:#fff;transform:translateX(2px)}
.footer-contact{display:flex;flex-direction:column;gap:10px;font-size:14px;color:#A79ECB;margin-bottom:18px}
.footer-contact i{margin-right:8px;color:#8C86A0}
.subscribe{
  display:flex;align-items:center;gap:8px;background:rgba(255,255,255,.06);
  border:1px solid rgba(255,255,255,.14);border-radius:999px;padding:6px;max-width:380px;
}
.subscribe input{flex:1;min-width:0;background:transparent;border:0;outline:none;color:#fff;font-size:14px;height:38px;padding:0 14px}
.subscribe input::placeholder{color:#8C86A0}
.subscribe .btn{flex-shrink:0}
.form-tip{font-size:13px;color:var(--mint);margin-top:10px;min-height:18px}
.footer-bottom{
  display:flex;flex-direction:column;gap:8px;justify-content:space-between;
  border-top:1px solid rgba(255,255,255,.08);margin-top:48px;padding:20px 0 26px;
  font-size:13px;color:#8C86A0;
}
@media(min-width:768px){.footer-bottom{flex-direction:row;align-items:center}}
@media(max-width:520px){
  .subscribe{flex-direction:column;align-items:stretch;border-radius:18px;padding:10px}
  .subscribe .btn{width:100%}
}

/* 返回顶部 */
.to-top{
  position:fixed;right:20px;bottom:24px;z-index:70;
  width:46px;height:46px;border-radius:50%;background:var(--grad);color:#fff;
  display:grid;place-items:center;box-shadow:0 10px 24px rgba(106,61,232,.32);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:opacity .3s ease,transform .3s ease,visibility .3s ease;
}
.to-top.show{opacity:1;visibility:visible;transform:none}
@media(max-width:520px){.to-top{right:14px;bottom:16px}}