/* roulang page: index */
:root{
  --brand:#6C3BFF;
  --brand-2:#9A4BFF;
  --mint:#12D3A4;
  --orange:#FF7A45;
  --ink:#1B1240;
  --deep:#150E36;
  --bg:#F7F6FC;
  --card:#FFFFFF;
  --line:#E9E6F5;
  --text:#1B1240;
  --muted:#5A5478;
  --weak:#8C87A6;
  --grad-brand:linear-gradient(115deg,#6C3BFF 0%,#9A4BFF 52%,#12D3A4 100%);
  --grad-ink:linear-gradient(115deg,#1B1240 0%,#3A1E7A 58%,#241453 100%);
  --radius-lg:28px;
  --radius-md:18px;
  --radius-sm:14px;
  --sh-card:0 10px 30px -18px rgba(27,18,64,.25);
  --sh-hover:0 22px 44px -20px rgba(108,59,255,.35);
  --side-w:240px;
  --font:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  padding-left:var(--side-w);
  font-family:var(--font);
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4,p,figure,ul,ol,dl{margin:0}
ul,ol{padding:0;list-style:none}
a{color:inherit;text-decoration:none;transition:color .2s ease}
img{max-width:100%;display:block;border:0}
button,input,select,textarea{font:inherit;color:inherit}
table{border-collapse:collapse}
:focus-visible{outline:3px solid rgba(108,59,255,.38);outline-offset:2px;border-radius:10px}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:992px){.container-x{padding:0 32px}}
.num{font-variant-numeric:tabular-nums}

/* ============ 左侧 App Shell 导航 ============ */
.app-side{
  position:fixed;left:0;top:0;bottom:0;width:var(--side-w);
  background:var(--deep);
  display:flex;flex-direction:column;
  padding:0 16px 20px;
  z-index:1050;
  border-right:1px solid rgba(255,255,255,.06);
}
.side-logo{height:88px;display:flex;align-items:center;padding:0 6px;flex:0 0 auto}
.logo{display:flex;align-items:center;gap:11px}
.logo-mark{
  width:38px;height:38px;flex:0 0 38px;border-radius:12px;
  background:var(--grad-brand);display:grid;place-items:center;
  color:#fff;font-size:17px;
  box-shadow:0 10px 22px -10px rgba(108,59,255,.95);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{font-size:15px;font-weight:800;color:#fff;letter-spacing:.02em}
.logo-text em{font-style:normal;font-size:11px;color:#B9B3D6;letter-spacing:.08em}
.side-nav{display:flex;flex-direction:column;gap:4px;flex:1 1 auto;overflow-y:auto;padding-top:8px}
.side-nav::-webkit-scrollbar{width:4px}
.side-nav::-webkit-scrollbar-thumb{background:rgba(255,255,255,.16);border-radius:4px}
.nav-item{
  position:relative;display:flex;align-items:center;gap:10px;
  min-height:46px;padding:0 12px;border-radius:12px;
  color:#B9B3D6;font-size:14.5px;font-weight:600;
  transition:color .2s ease,background .2s ease,transform .2s ease;
}
.nav-item i{width:18px;text-align:center;font-size:14px;opacity:.92}
.nav-item:hover{color:#fff;background:rgba(255,255,255,.07);transform:translateX(2px)}
.nav-item.active{color:#fff;background:rgba(108,59,255,.24)}
.nav-item.active::before{
  content:"";position:absolute;left:-16px;top:9px;bottom:9px;width:3px;
  border-radius:0 3px 3px 0;background:var(--grad-brand);
}
.side-cta{flex:0 0 auto;padding-top:16px;border-top:1px solid rgba(255,255,255,.08);margin-top:12px}
.side-cta .btn{width:100%}

/* ============ 移动端顶栏与抽屉 ============ */
.mobile-bar{
  display:none;position:fixed;top:0;left:0;right:0;height:60px;
  align-items:center;justify-content:space-between;padding:0 16px;
  background:rgba(21,14,54,.97);backdrop-filter:blur(12px);
  border-bottom:1px solid rgba(255,255,255,.08);
  z-index:1040;
}
.hamburger{
  width:44px;height:44px;border-radius:12px;
  border:1px solid rgba(255,255,255,.2);background:transparent;
  color:#fff;display:grid;place-items:center;font-size:17px;cursor:pointer;
  transition:background .2s ease;
}
.hamburger:hover{background:rgba(255,255,255,.1)}
.mobile-drawer{
  background:var(--deep)!important;color:#fff;border:0!important;
  width:82%!important;max-width:320px;padding:0 16px 20px;
}
.mobile-drawer .side-logo{height:72px}
.offcanvas-backdrop.show{opacity:.72;background:rgba(27,18,64,.55)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;height:72px}
.drawer-close{
  width:40px;height:40px;border-radius:12px;border:1px solid rgba(255,255,255,.18);
  background:transparent;color:#fff;display:grid;place-items:center;cursor:pointer;
}

/* ============ 按钮体系 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:700;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,filter .22s ease;
  white-space:nowrap;
}
.btn i{font-size:14px}
.btn-brand{background:var(--grad-brand);color:#fff;box-shadow:0 14px 28px -16px rgba(108,59,255,.95)}
.btn-brand:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.05);box-shadow:0 20px 36px -16px rgba(108,59,255,1)}
.btn-ghost{background:transparent;border-color:rgba(255,255,255,.3);color:#fff}
.btn-ghost:hover{background:rgba(255,255,255,.12);color:#fff;transform:translateY(-2px)}
.btn-soft{background:#F1ECFF;color:var(--brand)}
.btn-soft:hover{background:#E7DEFF;color:var(--brand);transform:translateY(-2px)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--brand);box-shadow:0 8px 20px -16px rgba(27,18,64,.5)}
.btn-outline:hover{background:#F5F1FF;border-color:rgba(108,59,255,.32);color:var(--brand);transform:translateY(-2px)}
.btn-orange{background:linear-gradient(115deg,#FF7A45,#FF9E6B);color:#fff;box-shadow:0 14px 28px -16px rgba(255,122,69,.95)}
.btn-orange:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.04);box-shadow:0 20px 36px -16px rgba(255,122,69,1)}
.btn-sm{min-height:42px;padding:0 20px;font-size:14px}

/* ============ 标签 / 徽章 ============ */
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:999px;background:#F1ECFF;color:var(--brand);
  font-size:12px;font-weight:600;letter-spacing:.02em;white-space:nowrap;
}
.tag-mint{background:#E1FBF3;color:#0B8F6D}
.tag-orange{background:#FFF0E9;color:#D9541F}
.pill-badge{
  display:inline-flex;align-items:center;gap:8px;
  height:32px;padding:0 16px;border-radius:999px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);
  color:#D9D4F2;font-size:12.5px;font-weight:600;letter-spacing:.03em;
}
.pill-badge i{color:var(--mint)}
.dot-sep{color:var(--weak);margin:0 8px}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;background:#1B1240;color:#fff;
  border-radius:0 0 28px 28px;
  padding:64px 0 104px;
}
.hero::before{
  content:"";position:absolute;width:560px;height:560px;left:-180px;top:-220px;
  background:radial-gradient(circle,rgba(108,59,255,.62),transparent 68%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;width:500px;height:500px;right:-160px;bottom:-240px;
  background:radial-gradient(circle,rgba(18,211,164,.38),transparent 70%);
  pointer-events:none;
}
.hero-dots{
  position:absolute;inset:0;z-index:1;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.14) 1px,transparent 1px);
  background-size:22px 22px;opacity:.6;
  -webkit-mask-image:linear-gradient(180deg,rgba(0,0,0,.95),transparent 78%);
  mask-image:linear-gradient(180deg,rgba(0,0,0,.95),transparent 78%);
}
.hero-inner{
  position:relative;z-index:3;
  display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center;
}
.hero h1{
  font-size:clamp(2.1rem,4.4vw,3.5rem);
  font-weight:800;letter-spacing:-.02em;line-height:1.2;
  margin:20px 0 18px;
}
.grad-text{
  background:linear-gradient(100deg,#B79BFF 0%,#12D3A4 100%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:17px;line-height:1.85;color:#C9C4E4;max-width:540px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.hero-visual{position:relative}
.hero-card{
  position:relative;border-radius:28px;overflow:hidden;
  aspect-ratio:16/10;background:var(--grad-brand);
  border:1px solid rgba(255,255,255,.14);
  box-shadow:0 34px 70px -34px rgba(0,0,0,.85);
}
.hero-card img{width:100%;height:100%;object-fit:cover}
.hero-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,transparent 45%,rgba(27,18,64,.55));
}
.float-badge{
  position:absolute;z-index:4;display:flex;align-items:center;gap:10px;
  background:#fff;border-radius:var(--radius-md);padding:11px 16px;
  box-shadow:0 20px 44px -20px rgba(0,0,0,.7);
}
.float-badge strong{
  font-size:1.2rem;font-weight:800;
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.float-badge span{font-size:12px;color:var(--muted);font-weight:600}
.fb-a{left:-20px;top:34px}
.fb-b{right:-14px;bottom:34px}

/* ============ 数据徽章带 ============ */
.stat-band{position:relative;z-index:6;margin-top:-56px}
.stat-row{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat-pill{
  display:flex;flex-direction:column;align-items:center;gap:4px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:20px 12px;text-align:center;box-shadow:var(--sh-card);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.stat-pill:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(108,59,255,.3)}
.stat-pill strong{
  font-size:1.7rem;font-weight:700;line-height:1.2;
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
  font-variant-numeric:tabular-nums;
}
.stat-pill span{font-size:12px;color:var(--weak);letter-spacing:.02em}

/* ============ 通用板块 ============ */
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-head{
  display:flex;align-items:flex-end;justify-content:space-between;gap:24px;
  margin-bottom:38px;
}
.section-head h2{
  font-size:clamp(1.5rem,2.6vw,2.1rem);
  font-weight:700;letter-spacing:-.01em;line-height:1.3;
}
.section-head p{font-size:14.5px;color:var(--muted);margin-top:10px;max-width:640px}
.link-more{
  display:inline-flex;align-items:center;gap:6px;flex:0 0 auto;
  font-size:14.5px;font-weight:700;color:var(--brand);
  padding-bottom:3px;border-bottom:2px solid rgba(108,59,255,.24);
  transition:color .2s ease,border-color .2s ease;
}
.link-more:hover{color:var(--brand-2);border-color:var(--brand-2)}

/* ============ 三步上手 ============ */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:28px}
.step{position:relative;padding-top:6px}
.step-num{
  width:58px;height:58px;border-radius:50%;display:grid;place-items:center;
  font-size:20px;font-weight:800;color:var(--brand);background:#fff;
  border:2px solid rgba(108,59,255,.32);
  box-shadow:0 12px 26px -16px rgba(108,59,255,.8);
  margin-bottom:20px;font-variant-numeric:tabular-nums;
}
.step h3{font-size:1.2rem;font-weight:700;margin-bottom:10px}
.step p{font-size:14.5px;color:var(--muted);line-height:1.85}
.step::after{
  content:"";position:absolute;left:78px;top:35px;right:-16px;
  border-top:2px dashed rgba(108,59,255,.26);
}
.step:last-child::after{display:none}

/* ============ 案例证明 ============ */
.proof-grid{display:grid;grid-template-columns:1.35fr 1fr;gap:24px;align-items:start}
.proof-main{
  position:relative;display:grid;grid-template-columns:44% 1fr;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;box-shadow:var(--sh-card);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.proof-main:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(108,59,255,.3)}
.proof-main figure{position:relative;background:var(--grad-brand);min-height:268px}
.proof-main figure img{width:100%;height:100%;object-fit:cover}
.proof-body{padding:30px 30px 28px;display:flex;flex-direction:column;gap:12px}
.proof-body h3{font-size:1.22rem;font-weight:700;line-height:1.45}
.proof-body p{font-size:14.5px;color:var(--muted);line-height:1.85}
.proof-metric{
  display:inline-flex;align-items:center;gap:8px;align-self:flex-start;
  padding:8px 14px;border-radius:999px;background:#E1FBF3;color:#0B8F6D;
  font-size:13px;font-weight:700;font-variant-numeric:tabular-nums;
}
.proof-side{display:grid;gap:24px}
.proof-mini{
  display:flex;gap:16px;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-md);padding:18px;box-shadow:var(--sh-card);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.proof-mini:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(108,59,255,.3)}
.proof-mini figure{
  flex:0 0 96px;width:96px;height:96px;border-radius:var(--radius-sm);
  overflow:hidden;background:var(--grad-brand);
}
.proof-mini figure img{width:100%;height:100%;object-fit:cover}
.proof-mini div{display:flex;flex-direction:column;gap:6px;min-width:0}
.proof-mini h3{font-size:1rem;font-weight:700;line-height:1.5}
.proof-mini p{font-size:13.5px;color:var(--muted);line-height:1.7}
.proof-mini .mini-metric{font-size:13px;font-weight:700;color:var(--brand);font-variant-numeric:tabular-nums}
.proof-mini.offset{transform:translateX(28px)}
.proof-mini.offset:hover{transform:translateX(28px) translateY(-4px)}

/* ============ 分类入口卡 ============ */
.cat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.cat-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:#fff;border:1px solid var(--line);border-radius:24px;
  box-shadow:var(--sh-card);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(108,59,255,.3)}
.cat-cover{position:relative;aspect-ratio:16/10;background:var(--grad-brand);overflow:hidden}
.cat-cover img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.cat-card:hover .cat-cover img{transform:scale(1.06)}
.cat-cover .tag{position:absolute;left:14px;top:14px;background:rgba(255,255,255,.94)}
.cat-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.cat-body h3{font-size:1.1rem;font-weight:700;line-height:1.45}
.cat-body p{font-size:14px;color:var(--muted);line-height:1.8}
.cat-body .link-more{margin-top:auto;align-self:flex-start}

/* ============ 最新信息 CMS ============ */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.news-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:#fff;border:1px solid var(--line);border-radius:24px;
  box-shadow:var(--sh-card);color:inherit;
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(108,59,255,.3)}
.news-cover{position:relative;aspect-ratio:16/10;background:var(--grad-brand);overflow:hidden}
.news-cover img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.news-card:hover .news-cover img{transform:scale(1.05)}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.news-title{
  font-size:1.04rem;font-weight:700;line-height:1.55;color:var(--ink);
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-desc{
  font-size:14px;color:var(--muted);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-meta{
  margin-top:auto;display:flex;align-items:center;gap:8px;
  font-size:12.5px;color:var(--weak);font-variant-numeric:tabular-nums;
}
.news-card:hover .news-title{color:var(--brand)}
.empty-state{
  grid-column:1/-1;
  display:flex;flex-direction:column;align-items:center;justify-content:center;gap:14px;
  min-height:200px;max-height:220px;padding:32px 24px;
  background:#F5F1FF;border:1px dashed rgba(108,59,255,.28);border-radius:24px;
  text-align:center;
}
.empty-state i{font-size:30px;color:var(--brand);opacity:.75}
.empty-state p{font-size:14.5px;color:var(--muted)}

/* ============ FAQ ============ */
.faq-wrap{max-width:920px;margin:0 auto}
.faq .accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md)!important;
  margin-bottom:12px;overflow:hidden;
  box-shadow:var(--sh-card);transition:border-color .25s ease,box-shadow .25s ease;
}
.faq .accordion-item:hover{border-color:rgba(108,59,255,.28)}
.faq .accordion-button{
  background:#fff;color:var(--ink);font-size:15.5px;font-weight:700;
  padding:20px 22px;border-radius:var(--radius-md);box-shadow:none;gap:16px;
  transition:background .2s ease,color .2s ease;
}
.faq .accordion-button:not(.collapsed){
  background:#FBFAFF;color:var(--brand);box-shadow:none;
}
.faq .accordion-button:focus{box-shadow:none;border-color:transparent}
.faq .accordion-button::after{
  content:"";flex:0 0 28px;width:28px;height:28px;border-radius:50%;margin-left:auto;
  background-color:#F1ECFF;
  background-image:linear-gradient(#6C3BFF,#6C3BFF),linear-gradient(#6C3BFF,#6C3BFF);
  background-size:12px 2px,2px 12px;
  background-position:center center,center center;
  background-repeat:no-repeat;
  transition:transform .25s ease,background-color .25s ease,background-size .25s ease;
}
.faq .accordion-button:not(.collapsed)::after{
  transform:rotate(180deg);background-color:#E7DEFF;
  background-image:linear-gradient(#6C3BFF,#6C3BFF);background-size:12px 2px;
}
.faq .accordion-body{padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--muted)}

/* ============ CTA ============ */
.cta-banner{
  position:relative;overflow:hidden;color:#fff;
  border-radius:var(--radius-lg);background:var(--grad-ink);
  padding:52px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:36px;
}
.cta-banner::before{
  content:"";position:absolute;width:420px;height:420px;right:-120px;top:-180px;
  background:radial-gradient(circle,rgba(108,59,255,.55),transparent 68%);
}
.cta-banner::after{
  content:"";position:absolute;width:340px;height:340px;left:-100px;bottom:-190px;
  background:radial-gradient(circle,rgba(18,211,164,.4),transparent 70%);
}
.cta-copy{position:relative;z-index:2;max-width:620px}
.cta-copy h2{font-size:clamp(1.5rem,2.6vw,2rem);font-weight:700;line-height:1.35;margin-bottom:12px}
.cta-copy p{font-size:15px;color:#C9C4E4}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px;flex:0 0 auto}
.cta-chip{
  position:absolute;right:44px;top:26px;z-index:3;
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 14px;border-radius:999px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.2);
  font-size:12.5px;font-weight:700;color:#E6E2F7;font-variant-numeric:tabular-nums;
}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--deep);color:#B9B3D6;
  border-radius:28px 28px 0 0;
  padding:64px 0 0;margin-top:16px;
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:36px}
.site-footer .logo-text strong{color:#fff}
.footer-brand p{font-size:14px;line-height:1.85;color:#B9B3D6;margin-top:18px;max-width:340px}
.footer-col h3{font-size:14.5px;font-weight:700;color:#fff;margin-bottom:18px;letter-spacing:.03em}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:#B9B3D6}
.footer-col a:hover{color:var(--mint)}
.footer-contact li{font-size:14px;display:flex;gap:10px;align-items:flex-start;line-height:1.75}
.footer-contact i{color:var(--mint);margin-top:5px;width:16px;text-align:center}
.footer-bottom{
  margin-top:52px;padding:22px 0;border-top:1px solid rgba(255,255,255,.09);
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8C87A6;
}
.footer-bottom a:hover{color:var(--mint)}

/* ============ 滚动定位 ============ */
[id]{scroll-margin-top:24px}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .hero-inner{gap:38px}
  .proof-grid{grid-template-columns:1.2fr 1fr}
  .proof-mini.offset{transform:translateX(16px)}
  .proof-mini.offset:hover{transform:translateX(16px) translateY(-4px)}
}
@media (max-width:991.98px){
  body{padding-left:0;padding-top:60px}
  .app-side{display:none}
  .mobile-bar{display:flex}
  .hero{padding:48px 0 88px;border-radius:0 0 24px 24px}
  .hero-inner{grid-template-columns:1fr;gap:40px}
  .hero-sub{max-width:none}
  .fb-a{left:12px;top:-18px}
  .fb-b{right:12px;bottom:-18px}
  .stat-band{margin-top:-44px}
  .stat-row{grid-template-columns:repeat(2,1fr);gap:14px}
  .section{padding:56px 0}
  .section-tight{padding:48px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;margin-bottom:28px}
  .steps{grid-template-columns:1fr;gap:26px}
  .step::after{display:none}
  .proof-grid{grid-template-columns:1fr}
  .proof-mini.offset,.proof-mini.offset:hover{transform:none}
  .cat-grid{grid-template-columns:repeat(2,1fr)}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .cta-banner{flex-direction:column;align-items:flex-start;padding:40px 28px;gap:26px}
  .cta-chip{position:static}
  .footer-grid{grid-template-columns:repeat(2,1fr);gap:32px}
}
@media (max-width:575.98px){
  .hero{padding:36px 0 76px}
  .hero-actions{flex-direction:column;align-items:stretch;gap:12px}
  .hero-actions .btn{width:100%}
  .float-badge{padding:9px 12px;border-radius:14px}
  .float-badge strong{font-size:1.05rem}
  .float-badge span{font-size:11px}
  .stat-pill strong{font-size:1.4rem}
  .proof-main{grid-template-columns:1fr}
  .proof-main figure{min-height:190px}
  .proof-body{padding:24px 20px}
  .proof-mini{flex-direction:column}
  .proof-mini figure{width:100%;flex:0 0 auto;height:150px}
  .cat-grid{grid-template-columns:1fr}
  .news-grid{grid-template-columns:1fr}
  .cta-actions{flex-direction:column;align-items:stretch;width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:30px}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:10px}
  .logo-text strong{font-size:14px}
}

/* roulang page: article */
:root{
  --brand:#6C3BFF;
  --brand-2:#9A4BFF;
  --mint:#12D3A4;
  --orange:#FF7A45;
  --ink:#1B1240;
  --ink-soft:#5A5478;
  --ink-muted:#8C87A6;
  --page:#F7F6FC;
  --card:#FFFFFF;
  --line:#E9E6F5;
  --soft-purple:#F1ECFF;
  --grad-brand:linear-gradient(115deg,#6C3BFF 0%,#9A4BFF 52%,#12D3A4 100%);
  --grad-deep:linear-gradient(122deg,#1B1240 0%,#33206E 58%,#4A2A9B 100%);
  --radius-xl:28px;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:14px;
  --shadow-card:0 10px 30px -18px rgba(27,18,64,.25);
  --shadow-hover:0 22px 44px -20px rgba(108,59,255,.35);
  --nav-w:240px;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--ink);
  background:var(--page);
  font-variant-numeric:tabular-nums;
  overflow-x:hidden;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input,textarea,select{font-family:inherit;font-size:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em;}
p{margin:0;}
ul,ol{margin:0;padding:0;list-style:none;}
::selection{background:rgba(108,59,255,.18);}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
:focus-visible{outline:3px solid rgba(108,59,255,.32);outline-offset:2px;border-radius:8px;}

/* ============ 侧边导航 ============ */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--nav-w);
  background:#1B1240;
  display:flex;flex-direction:column;
  padding:0 16px 22px;
  z-index:1040;
  border-right:1px solid rgba(255,255,255,.06);
}
.sidebar::after{
  content:"";position:absolute;right:-120px;top:-120px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(108,59,255,.42),transparent 68%);
  pointer-events:none;
}
.logo{display:flex;align-items:center;gap:11px;text-decoration:none;}
.sidebar .logo{height:88px;color:#fff;position:relative;z-index:1;}
.logo-mark{
  width:40px;height:40px;border-radius:13px;flex:0 0 40px;
  background:var(--grad-brand);
  display:grid;place-items:center;color:#fff;font-size:17px;
  box-shadow:0 10px 22px -12px rgba(108,59,255,.9);
}
.logo-text{display:flex;flex-direction:column;line-height:1.12;}
.logo-text strong{font-size:15.5px;font-weight:800;letter-spacing:.02em;}
.logo-text em{font-style:normal;font-size:10.5px;letter-spacing:.24em;color:#B9B3D6;margin-top:3px;}
.side-nav{display:flex;flex-direction:column;gap:6px;margin-top:14px;flex:1;position:relative;z-index:1;}
.nav-item{
  position:relative;display:flex;align-items:center;gap:12px;
  min-height:46px;padding:0 14px;border-radius:12px;
  color:#CFC9E8;font-size:14.5px;font-weight:600;
  transition:background .22s ease,color .22s ease,transform .22s ease;
}
.nav-item i{width:18px;text-align:center;font-size:14px;color:#9A93C4;transition:color .22s ease;}
.nav-item:hover{color:#fff;background:rgba(108,59,255,.2);transform:translateX(2px);}
.nav-item:hover i{color:var(--mint);}
.nav-item.active{color:#fff;background:rgba(108,59,255,.24);}
.nav-item.active i{color:var(--mint);}
.nav-item.active::before{
  content:"";position:absolute;left:0;top:11px;bottom:11px;width:3px;border-radius:3px;
  background:var(--grad-brand);
}
.sidebar-foot{position:relative;z-index:1;padding-top:16px;border-top:1px solid rgba(255,255,255,.08);}

/* ============ 按钮 ============ */
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border:0;border-radius:999px;
  background:var(--grad-brand);color:#fff;font-weight:700;font-size:15px;
  box-shadow:0 14px 26px -16px rgba(108,59,255,.95);
  transition:transform .22s ease,filter .22s ease,box-shadow .22s ease;
  cursor:pointer;text-align:center;
}
.btn-brand:hover{transform:translateY(-2px);filter:brightness(1.05);box-shadow:0 20px 34px -18px rgba(108,59,255,1);color:#fff;}
.btn-brand:active{transform:translateY(0);}
.btn-block{display:flex;width:100%;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--brand);font-weight:700;font-size:15px;
  transition:background .22s ease,border-color .22s ease,transform .22s ease;
}
.btn-ghost:hover{background:var(--soft-purple);border-color:rgba(108,59,255,.3);transform:translateY(-2px);color:var(--brand);}
.link-more{
  display:inline-flex;align-items:center;gap:6px;font-weight:700;font-size:14.5px;color:var(--brand);
  border-bottom:2px solid rgba(108,59,255,.28);padding-bottom:2px;
  transition:border-color .22s ease,color .22s ease;
}
.link-more:hover{border-color:var(--mint);color:#0F9C7B;}

/* ============ 移动端顶栏 ============ */
.mobile-bar{
  display:none;align-items:center;justify-content:space-between;
  height:60px;padding:0 16px;background:#1B1240;position:fixed;top:0;left:0;right:0;z-index:1050;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.mobile-bar .logo{color:#fff;}
.mobile-bar .logo-text strong{font-size:14.5px;}
.hamburger{
  width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.06);color:#fff;font-size:17px;display:grid;place-items:center;
}
.drawer{background:#1B1240;color:#CFC9E8;width:82%;max-width:320px;border-right:0;}
.drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.08);padding:16px 18px;}
.drawer .offcanvas-header .logo{color:#fff;}
.drawer .btn-close{filter:invert(1) grayscale(1) brightness(1.8);opacity:.75;}
.drawer .offcanvas-body{padding:16px 16px 28px;display:flex;flex-direction:column;}
.drawer .side-nav{margin-top:0;}
.drawer-foot{margin-top:auto;padding-top:18px;}
.offcanvas-backdrop.show{background:rgba(27,18,64,.55);opacity:1;}

/* ============ 布局 ============ */
.page-main{margin-left:var(--nav-w);min-height:100vh;display:flex;flex-direction:column;}
.topbar{
  height:56px;background:rgba(255,255,255,.94);backdrop-filter:blur(8px);
  border-bottom:1px solid var(--line);position:sticky;top:0;z-index:1020;
  display:flex;align-items:center;
}
.topbar-inner{display:flex;align-items:center;width:100%;}
.breadcrumb-x{
  display:flex;align-items:center;gap:9px;font-size:13.5px;color:var(--ink-muted);
  min-width:0;flex-wrap:nowrap;overflow:hidden;
}
.breadcrumb-x a{color:var(--ink-soft);font-weight:600;transition:color .2s ease;white-space:nowrap;}
.breadcrumb-x a:hover{color:var(--brand);}
.breadcrumb-x i{font-size:10px;color:#C3BEE0;}
.crumb-current{
  color:var(--ink-muted);white-space:nowrap;overflow:hidden;text-overflow:ellipsis;max-width:46vw;
}
.page-body{flex:1;padding:40px 0 0;}

/* ============ 文章头部 ============ */
.article-hero{padding:8px 0 0;}
.chip{
  display:inline-flex;align-items:center;gap:6px;
  padding:6px 14px;border-radius:999px;background:var(--soft-purple);color:var(--brand);
  font-size:12.5px;font-weight:700;letter-spacing:.02em;
}
.article-hero h1{
  font-size:clamp(2.1rem,4.4vw,3.5rem);
  font-weight:800;line-height:1.22;letter-spacing:-.02em;
  margin:20px 0 0;max-width:1000px;
}
.meta-row{
  display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:22px;
  font-size:13.5px;color:var(--ink-muted);font-weight:600;
}
.meta-row .dot{width:4px;height:4px;border-radius:50%;background:#C9C3E4;display:inline-block;}
.meta-row i{color:var(--brand);font-size:13px;margin-right:4px;}
.hero-cover{
  margin-top:32px;border-radius:var(--radius-lg);overflow:hidden;position:relative;
  aspect-ratio:16/10;background:var(--grad-deep);
}
.hero-cover img{width:100%;height:100%;object-fit:cover;}

/* ============ 正文 ============ */
.article-wrap{padding:52px 0 0;}
.article-body{
  max-width:800px;margin:0 auto;font-size:17px;line-height:1.95;color:#2C2553;
}
.article-body p{margin:0 0 1.2em;}
.article-body h2{
  font-size:clamp(1.4rem,2.4vw,1.8rem);font-weight:700;line-height:1.4;
  margin:44px 0 18px;padding-left:16px;position:relative;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.18em;bottom:.18em;width:4px;border-radius:4px;
  background:var(--grad-brand);
}
.article-body h3{font-size:1.22rem;font-weight:700;margin:30px 0 12px;}
.article-body h4{font-size:1.05rem;font-weight:700;margin:24px 0 10px;color:var(--ink-soft);}
.article-body blockquote{
  margin:26px 0;padding:18px 22px;background:var(--soft-purple);
  border-left:3px solid var(--brand);border-radius:0 16px 16px 0;color:#3A2F6E;
}
.article-body blockquote p:last-child{margin-bottom:0;}
.article-body ul,.article-body ol{padding-left:1.5em;margin:0 0 1.2em;}
.article-body ul li{list-style:disc;margin-bottom:.5em;padding-left:.2em;}
.article-body ol li{list-style:decimal;margin-bottom:.5em;padding-left:.2em;}
.article-body img{border-radius:16px;margin:22px 0;}
.article-body a{color:var(--brand);font-weight:600;border-bottom:1px solid rgba(108,59,255,.35);}
.article-body a:hover{color:#0F9C7B;border-color:var(--mint);}
.article-body table{width:100%;border-collapse:collapse;margin:22px 0;font-size:15.5px;}
.article-body th{background:#1B1240;color:#fff;font-weight:700;padding:12px 14px;text-align:left;}
.article-body td{padding:12px 14px;border-bottom:1px solid var(--line);}
.article-body tr:nth-child(even) td{background:#F8F6FF;}
.article-body figure{margin:24px 0;}
.article-body figcaption{font-size:13px;color:var(--ink-muted);text-align:center;margin-top:8px;}

.empty-state{
  max-width:800px;margin:0 auto;padding:44px 28px;text-align:center;
  background:var(--soft-purple);border-radius:var(--radius-lg);border:1px solid rgba(108,59,255,.14);
}
.empty-state i{font-size:30px;color:var(--brand);}
.empty-state h2{font-size:1.35rem;margin:14px 0 8px;}
.empty-state p{color:var(--ink-soft);font-size:15px;margin-bottom:20px;}

/* ============ 标签与返回 ============ */
.post-foot{
  max-width:800px;margin:44px auto 0;padding-top:26px;border-top:1px solid var(--line);
  display:flex;flex-wrap:wrap;gap:16px;align-items:center;justify-content:space-between;
}
.tag-group{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  display:inline-flex;align-items:center;padding:7px 14px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--ink-soft);
  font-size:12.5px;font-weight:600;transition:border-color .2s ease,color .2s ease;
}
.tag:hover{border-color:rgba(108,59,255,.4);color:var(--brand);}
.foot-links{display:flex;gap:22px;font-size:14px;font-weight:700;}
.foot-links a{color:var(--brand);border-bottom:2px solid rgba(108,59,255,.26);padding-bottom:2px;transition:.2s;}
.foot-links a:hover{color:#0F9C7B;border-color:var(--mint);}

/* ============ 相关推荐 ============ */
.section{padding:80px 0 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:20px;margin-bottom:30px;flex-wrap:wrap;}
.section-head h2{font-size:clamp(1.5rem,2.6vw,2.1rem);font-weight:700;}
.section-head p{color:var(--ink-soft);font-size:14.5px;margin-top:8px;}
.card-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.mini-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
  overflow:hidden;box-shadow:var(--shadow-card);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
  display:flex;flex-direction:column;
}
.mini-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:rgba(108,59,255,.3);}
.mini-cover{display:block;aspect-ratio:16/10;overflow:hidden;background:var(--grad-deep);}
.mini-cover img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease;}
.mini-card:hover .mini-cover img{transform:scale(1.05);}
.mini-body{padding:18px 20px 22px;}
.mini-body h3{font-size:1.06rem;font-weight:700;line-height:1.55;margin:12px 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.mini-body h3 a{color:var(--ink);}
.mini-card:hover .mini-body h3 a{color:var(--brand);}
.mini-body p{font-size:14px;color:var(--ink-soft);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.mini-meta{margin-top:14px;font-size:12.5px;color:var(--ink-muted);font-weight:600;display:flex;gap:10px;align-items:center;}

/* ============ 上下篇 ============ */
.pn-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px;}
.pn-item{
  display:flex;align-items:center;gap:14px;padding:20px 22px;background:#fff;
  border:1px solid var(--line);border-radius:var(--radius-md);box-shadow:var(--shadow-card);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.pn-item:hover{transform:translateY(-2px);border-color:rgba(108,59,255,.32);box-shadow:var(--shadow-hover);}
.pn-item i{color:var(--brand);font-size:16px;}
.pn-item small{display:block;font-size:12.5px;color:var(--ink-muted);font-weight:700;letter-spacing:.04em;margin-bottom:4px;}
.pn-item span{font-size:15px;font-weight:700;color:var(--ink);display:-webkit-box;-webkit-line-clamp:1;-webkit-box-orient:vertical;overflow:hidden;}
.pn-item:hover span{color:var(--brand);}
.pn-next{text-align:right;justify-content:flex-end;}

/* ============ CTA ============ */
.cta-band{
  margin-top:80px;border-radius:var(--radius-xl);padding:52px 48px;
  background:var(--grad-deep);color:#fff;position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:36px;flex-wrap:wrap;
}
.cta-band::after{
  content:"";position:absolute;right:-90px;bottom:-120px;width:340px;height:340px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,211,164,.4),transparent 66%);
}
.cta-band h2{color:#fff;font-size:clamp(1.4rem,2.6vw,2rem);font-weight:700;line-height:1.4;max-width:640px;}
.cta-band p{color:#C6C0E4;font-size:15px;margin-top:12px;max-width:640px;}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:1;}
.cta-badge{
  display:inline-flex;align-items:center;gap:8px;padding:7px 15px;border-radius:999px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);
  font-size:12.5px;font-weight:700;color:#EFEBFF;margin-bottom:18px;
}
.btn-ghost-light{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:46px;padding:0 24px;border-radius:999px;
  background:transparent;border:1px solid rgba(255,255,255,.4);color:#fff;font-weight:700;font-size:15px;
  transition:background .22s ease,border-color .22s ease,transform .22s ease;
}
.btn-ghost-light:hover{background:rgba(255,255,255,.14);border-color:#fff;transform:translateY(-2px);color:#fff;}

/* ============ 页脚 ============ */
.site-footer{background:#1B1240;color:#B9B3D6;margin-top:88px;padding:64px 0 0;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:38px;}
.footer-brand .logo{color:#fff;margin-bottom:18px;}
.footer-brand p{font-size:14.5px;line-height:1.9;color:#B9B3D6;max-width:340px;}
.footer-col h3{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;letter-spacing:.02em;}
.footer-col ul{display:flex;flex-direction:column;gap:12px;}
.footer-col a{font-size:14.5px;color:#B9B3D6;transition:color .2s ease,transform .2s ease;display:inline-block;}
.footer-col a:hover{color:var(--mint);transform:translateX(2px);}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14.5px;}
.footer-contact i{color:var(--mint);margin-top:5px;font-size:13px;}
.footer-bottom{
  margin-top:52px;padding:22px 0 28px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:#8F89B4;
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .card-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:1.6fr 1fr 1fr;gap:32px;}
}
@media (max-width:991.98px){
  .sidebar{display:none;}
  .page-main{margin-left:0;}
  .mobile-bar{display:flex;}
  .topbar{position:static;height:auto;padding:12px 0;}
  .page-body{padding:32px 0 0;padding-top:92px;}
  .article-hero h1{font-size:clamp(1.85rem,6vw,2.4rem);}
  .section{padding:60px 0 0;}
  .cta-band{padding:40px 28px;}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-brand{grid-column:1 / -1;}
}
@media (max-width:767.98px){
  .card-grid{grid-template-columns:1fr;}
  .pn-grid{grid-template-columns:1fr;}
  .pn-next{text-align:left;justify-content:flex-start;}
  .article-body{font-size:16px;}
}
@media (max-width:575.98px){
  .container-x{padding:0 16px;}
  .page-body{padding-top:84px;}
  .hero-cover{border-radius:var(--radius-md);}
  .post-foot{flex-direction:column;align-items:flex-start;}
  .foot-links{gap:18px;}
  .cta-actions{width:100%;}
  .cta-actions .btn-brand,.cta-actions .btn-ghost-light{width:100%;}
  .footer-grid{grid-template-columns:1fr;}
  .footer-bottom{flex-direction:column;gap:8px;}
}

/* roulang page: category1 */
:root{
  --brand:#6C3BFF;
  --brand-2:#9A4BFF;
  --mint:#12D3A4;
  --orange:#FF7A45;
  --ink:#1B1240;
  --bg:#F7F6FC;
  --card:#FFFFFF;
  --line:#E9E6F5;
  --text:#1B1240;
  --muted:#5A5478;
  --weak:#8C87A6;
  --soft:#F1EDFF;
  --grad-brand:linear-gradient(115deg,#6C3BFF 0%,#9A4BFF 52%,#12D3A4 100%);
  --radius-xl:28px;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:14px;
  --shadow-sm:0 10px 30px -18px rgba(27,18,64,.25);
  --shadow-lg:0 22px 44px -20px rgba(108,59,255,.35);
  --nav-w:240px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:var(--brand);text-decoration:none;transition:color .22s ease,opacity .22s ease;}
a:hover{color:var(--brand-2);}
button{font-family:inherit;}
h1,h2,h3,h4{margin:0;color:var(--ink);letter-spacing:-.01em;}
h1{font-size:clamp(2.1rem,4.4vw,3.5rem);font-weight:800;line-height:1.18;letter-spacing:-.02em;}
h2{font-size:clamp(1.5rem,2.6vw,2.1rem);font-weight:700;line-height:1.32;}
h3{font-size:1.2rem;font-weight:700;line-height:1.45;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:3px solid rgba(108,59,255,.35);outline-offset:2px;border-radius:8px;}

/* ============ 布局容器 ============ */
.container-x{max-width:1200px;margin:0 auto;padding:0 20px;width:100%;}
@media(min-width:992px){.container-x{padding:0 32px;}}

/* ============ 侧边导航 ============ */
.sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--nav-w);
  background:var(--ink);
  display:flex;flex-direction:column;
  padding:0 18px 24px;
  z-index:1040;
  overflow-y:auto;
}
.sidebar::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.07) 1px,transparent 1px);
  background-size:16px 16px;opacity:.5;
}
.logo{display:flex;align-items:center;gap:12px;text-decoration:none;}
.side-logo{height:88px;display:flex;align-items:center;position:relative;z-index:1;}
.logo-mark{
  width:40px;height:40px;border-radius:12px;background:var(--grad-brand);
  display:grid;place-items:center;color:#fff;font-size:18px;flex:0 0 40px;
  box-shadow:0 10px 22px -12px rgba(108,59,255,.9);
}
.logo-text{display:flex;flex-direction:column;line-height:1.2;}
.logo-text strong{color:#fff;font-size:17px;font-weight:800;letter-spacing:.01em;}
.logo-text em{font-style:normal;font-size:11px;letter-spacing:.22em;color:var(--mint);font-weight:600;}
.side-nav{display:flex;flex-direction:column;gap:6px;position:relative;z-index:1;flex:1;}
.nav-item{
  display:flex;align-items:center;gap:12px;
  padding:12px 14px;border-radius:var(--radius-sm);
  color:#C6C1DE;font-size:14.5px;font-weight:500;
  transition:background .22s ease,color .22s ease,transform .22s ease;
  min-height:44px;position:relative;
}
.nav-item i{width:18px;text-align:center;font-size:14px;opacity:.85;}
.nav-item:hover{color:#fff;background:rgba(255,255,255,.07);transform:translateX(2px);}
.nav-item.active{background:rgba(108,59,255,.22);color:#fff;font-weight:600;}
.nav-item.active::before{
  content:"";position:absolute;left:-18px;top:50%;transform:translateY(-50%);
  width:3px;height:24px;border-radius:0 3px 3px 0;background:var(--grad-brand);
}
.side-cta{position:relative;z-index:1;margin-top:18px;}
.side-note{position:relative;z-index:1;font-size:12px;color:#8C87A6;line-height:1.7;margin-top:14px;}

/* ============ 移动端顶栏与抽屉 ============ */
.mobile-topbar{
  display:none;position:fixed;top:0;left:0;right:0;height:60px;
  background:var(--ink);z-index:1050;align-items:center;justify-content:space-between;
  padding:0 16px;
}
.mobile-topbar .logo-text strong{font-size:16px;}
.hamburger{
  width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);color:#fff;font-size:17px;display:grid;place-items:center;
}
.hamburger:hover{background:rgba(108,59,255,.3);}
.nav-drawer{background:var(--ink);color:#fff;width:82%;max-width:320px;border:0;}
.nav-drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.09);padding:18px 20px;}
.nav-drawer .offcanvas-body{padding:18px 20px 26px;display:flex;flex-direction:column;}
.nav-drawer .nav-item i{opacity:.9;}
.nav-drawer .nav-item.active::before{left:-20px;}
.btn-close-custom{
  width:36px;height:36px;border-radius:10px;border:1px solid rgba(255,255,255,.18);
  background:transparent;color:#fff;
}
.offcanvas-backdrop.show{background:rgba(27,18,64,.55);opacity:1;}

/* ============ 主区域 ============ */
.page{margin-left:var(--nav-w);min-height:100vh;display:flex;flex-direction:column;}
.page-main{flex:1;}
.topbar-strip{
  height:56px;display:flex;align-items:center;
  background:rgba(255,255,255,.86);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);position:sticky;top:0;z-index:900;
}
.breadcrumb-x{display:flex;align-items:center;gap:10px;font-size:13.5px;color:var(--weak);flex-wrap:wrap;}
.breadcrumb-x a{color:var(--muted);font-weight:500;}
.breadcrumb-x a:hover{color:var(--brand);}
.breadcrumb-x .sep{color:#CFC9E6;}
.breadcrumb-x .now{color:var(--weak);}
.strip-tag{
  margin-left:auto;font-size:12px;font-weight:600;letter-spacing:.02em;
  color:var(--brand);background:var(--soft);border-radius:999px;padding:5px 12px;
}
@media(max-width:767.98px){.strip-tag{display:none;}}

/* ============ 按钮 ============ */
.btn-brand,.btn-ghost,.btn-orange{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;font-size:15px;font-weight:600;
  border:1px solid transparent;cursor:pointer;min-height:46px;
  transition:transform .22s ease,box-shadow .22s ease,background .22s ease,color .22s ease,filter .22s ease;
}
.btn-brand{background:var(--grad-brand);color:#fff;box-shadow:0 14px 30px -16px rgba(108,59,255,.9);}
.btn-brand:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.04);box-shadow:0 20px 40px -18px rgba(108,59,255,1);}
.btn-brand:active{transform:translateY(0);}
.btn-brand:focus-visible{outline:3px solid rgba(108,59,255,.3);outline-offset:2px;}
.btn-ghost{background:#fff;border-color:var(--line);color:var(--brand);}
.btn-ghost:hover{background:var(--soft);color:var(--brand-2);transform:translateY(-2px);box-shadow:var(--shadow-sm);}
.btn-orange{background:var(--orange);color:#fff;box-shadow:0 14px 30px -18px rgba(255,122,69,.95);}
.btn-orange:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.05);}
.btn-on-dark{background:transparent;border-color:rgba(255,255,255,.28);color:#fff;}
.btn-on-dark:hover{background:rgba(255,255,255,.1);color:#fff;transform:translateY(-2px);}
.side-cta .btn-brand{width:100%;}
.link-arrow{
  display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:600;
  color:var(--brand);border-bottom:2px solid rgba(108,59,255,.25);
  padding-bottom:2px;transition:color .22s ease,border-color .22s ease,gap .22s ease;
}
.link-arrow:hover{color:var(--brand-2);border-color:var(--brand-2);gap:10px;}

/* ============ 徽章与标签 ============ */
.badge-pill-x{
  display:inline-flex;align-items:center;gap:6px;
  background:var(--soft);color:var(--brand);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;
  padding:6px 13px;border-radius:999px;
}
.badge-mint{background:rgba(18,211,164,.13);color:#0B8F6F;}
.badge-soft{background:#fff;border:1px solid var(--line);color:var(--muted);}
.badge-group{display:flex;flex-wrap:wrap;gap:10px;}
@media(max-width:575.98px){.badge-group .badge-pill-x{flex:1 1 calc(50% - 5px);justify-content:center;}}

/* ============ Hero ============ */
.hero{
  position:relative;overflow:hidden;background:var(--ink);
  padding:96px 0 120px;border-radius:0 0 28px 28px;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:linear-gradient(115deg,rgba(27,18,64,.94) 0%,rgba(27,18,64,.82) 45%,rgba(108,59,255,.55) 100%),url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
}
.hero-dots{
  position:absolute;inset:0;opacity:.55;
  background-image:radial-gradient(rgba(255,255,255,.09) 1px,transparent 1px);
  background-size:18px 18px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 85%);
}
.hero-blob{position:absolute;border-radius:50%;filter:blur(70px);opacity:.55;pointer-events:none;}
.blob-a{width:380px;height:380px;background:#6C3BFF;top:-120px;right:-80px;}
.blob-b{width:300px;height:300px;background:#12D3A4;bottom:-140px;left:12%;opacity:.34;}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr;gap:44px;}
.hero h1{color:#fff;}
.hero h1 .grad{
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{margin-top:20px;color:#CFC9E6;font-size:16.5px;line-height:1.9;max-width:620px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px;}
.hero-media{
  position:relative;border-radius:var(--radius-lg);overflow:hidden;
  border:1px solid rgba(255,255,255,.16);box-shadow:0 34px 60px -30px rgba(0,0,0,.7);
  aspect-ratio:16/10;background:var(--grad-brand);
}
.hero-media img{width:100%;height:100%;object-fit:cover;}
.float-badge{
  position:absolute;background:rgba(255,255,255,.95);border-radius:16px;
  padding:10px 16px;box-shadow:0 18px 34px -18px rgba(27,18,64,.6);
  display:flex;flex-direction:column;gap:2px;backdrop-filter:blur(6px);
}
.float-badge b{font-size:1.15rem;font-weight:800;color:var(--brand);line-height:1.1;}
.float-badge span{font-size:11px;color:var(--muted);letter-spacing:.02em;}
.fb-one{left:18px;bottom:18px;}
.fb-two{right:18px;top:18px;}

/* ============ 数据徽章带 ============ */
.stats-band{margin-top:-72px;position:relative;z-index:5;padding-bottom:8px;}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:18px;}
.stat-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-md);
  padding:20px 22px;box-shadow:var(--shadow-sm);
  display:flex;flex-direction:column;gap:4px;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.stat-card:hover{transform:translateY(-4px);border-color:rgba(108,59,255,.3);box-shadow:var(--shadow-lg);}
.stat-num{
  font-size:1.75rem;font-weight:800;line-height:1.15;
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-label{font-size:11.5px;color:var(--weak);letter-spacing:.02em;}

/* ============ 区块通用 ============ */
.section{padding:80px 0;}
.section-sm{padding:56px 0;}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:36px;flex-wrap:wrap;}
.section-head p{color:var(--muted);font-size:15px;margin-top:10px;max-width:600px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;
  letter-spacing:.08em;color:var(--brand);text-transform:uppercase;margin-bottom:12px;
}
.eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad-brand);}
.section-dark{background:var(--ink);color:#CFC9E6;}
.section-dark h2,.section-dark h3{color:#fff;}
.section-dark p{color:#B9B3D6;}

/* ============ 图文大卡两列网格 ============ */
.tile-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;}
.tile{
  background:var(--card);border:1px solid var(--line);border-radius:var(--radius-lg);
  overflow:hidden;display:grid;grid-template-columns:172px 1fr;
  box-shadow:var(--shadow-sm);
  transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.tile:hover{transform:translateY(-4px);border-color:rgba(108,59,255,.3);box-shadow:var(--shadow-lg);}
.tile-media{position:relative;background:var(--grad-brand);min-height:100%;overflow:hidden;}
.tile-media img{width:100%;height:100%;object-fit:cover;min-height:180px;}
.tile-no{
  position:absolute;top:14px;left:14px;z-index:2;
  width:38px;height:38px;border-radius:12px;background:rgba(27,18,64,.82);
  color:#fff;font-size:13px;font-weight:800;display:grid;place-items:center;
  border:1px solid rgba(255,255,255,.2);backdrop-filter:blur(4px);
}
.tile-body{padding:22px 22px 24px;display:flex;flex-direction:column;gap:10px;}
.tile-body h3{font-size:1.12rem;}
.tile-body p{font-size:14.5px;color:var(--muted);line-height:1.8;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;}
.tile-foot{margin-top:auto;display:flex;align-items:center;justify-content:space-between;gap:12px;}
.tile-meta{font-size:12px;color:var(--weak);}
.tile.hide{display:none;}

/* ============ 筛选标签 ============ */
.filter-bar{display:flex;flex-wrap:wrap;gap:10px;margin-bottom:28px;}
.filter-btn{
  padding:9px 18px;border-radius:999px;border:1px solid var(--line);background:#fff;
  color:var(--muted);font-size:13.5px;font-weight:600;cursor:pointer;min-height:40px;
  transition:all .22s ease;
}
.filter-btn:hover{border-color:rgba(108,59,255,.4);color:var(--brand);}
.filter-btn.active{background:var(--grad-brand);color:#fff;border-color:transparent;box-shadow:0 12px 24px -16px rgba(108,59,255,.9);}

/* ============ 热度榜 ============ */
.rank-list{display:flex;flex-direction:column;gap:12px;}
.rank-item{
  display:grid;grid-template-columns:56px 1fr 180px auto;align-items:center;gap:18px;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:16px 22px;box-shadow:var(--shadow-sm);
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.rank-item:hover{transform:translateY(-3px);border-color:rgba(108,59,255,.3);box-shadow:var(--shadow-lg);}
.rank-no{
  width:40px;height:40px;border-radius:12px;background:var(--soft);color:var(--brand);
  font-weight:800;display:grid;place-items:center;font-size:15px;
}
.rank-item.top .rank-no{background:var(--grad-brand);color:#fff;}
.rank-name{font-weight:700;color:var(--ink);font-size:15.5px;}
.rank-desc{font-size:13px;color:var(--weak);margin-top:2px;}
.rank-bar{height:8px;border-radius:999px;background:var(--soft);overflow:hidden;}
.rank-bar span{display:block;height:100%;border-radius:999px;background:var(--grad-brand);}
.rank-num{font-size:13px;color:var(--muted);font-weight:600;}

/* ============ 流程 ============ */
.steps{display:grid;grid-template-columns:repeat(3,1fr);gap:26px;position:relative;}
.steps::before{
  content:"";position:absolute;top:32px;left:8%;right:8%;height:0;
  border-top:2px dashed rgba(108,59,255,.28);z-index:0;
}
.step{position:relative;z-index:1;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:26px 24px 28px;box-shadow:var(--shadow-sm);
  transition:transform .26s ease,box-shadow .26s ease;}
.step:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.step-no{
  width:56px;height:56px;border-radius:50%;display:grid;place-items:center;
  background:#fff;border:2px solid transparent;
  background-image:linear-gradient(#fff,#fff),var(--grad-brand);
  background-origin:border-box;background-clip:padding-box,border-box;
  font-size:1.15rem;font-weight:800;color:var(--brand);margin-bottom:16px;
}
.step h3{margin-bottom:8px;}
.step p{font-size:14.5px;color:var(--muted);line-height:1.8;}

/* ============ FAQ ============ */
.accordion-x .accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md)!important;
  margin-bottom:12px;overflow:hidden;box-shadow:var(--shadow-sm);
}
.accordion-x .accordion-button{
  background:#fff;color:var(--ink);font-weight:700;font-size:16px;
  padding:20px 22px;border:0;box-shadow:none;gap:16px;
}
.accordion-x .accordion-button:not(.collapsed){color:var(--brand);background:#fff;}
.accordion-x .accordion-button:focus{box-shadow:0 0 0 3px rgba(108,59,255,.18);z-index:3;}
.accordion-x .accordion-button::after{
  content:"+";background-image:none;width:28px;height:28px;flex:0 0 28px;
  border-radius:50%;background-color:var(--soft);color:var(--brand);
  display:grid;place-items:center;font-size:16px;font-weight:700;transform:none;
  transition:background .24s ease,color .24s ease;
}
.accordion-x .accordion-button:not(.collapsed)::after{
  content:"−";background:var(--grad-brand);color:#fff;
}
.accordion-x .accordion-body{
  padding:0 22px 22px;color:var(--muted);font-size:15px;line-height:1.85;
  border-top:1px solid rgba(108,59,255,.2);padding-top:16px;margin:0 0 0;
}

/* ============ 内链卡组 ============ */
.link-cards{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;}
.link-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);
  padding:22px;box-shadow:var(--shadow-sm);display:flex;flex-direction:column;gap:10px;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
}
.link-card:hover{transform:translateY(-4px);border-color:rgba(108,59,255,.3);box-shadow:var(--shadow-lg);}
.link-card h3{font-size:1.05rem;}
.link-card p{font-size:14px;color:var(--muted);line-height:1.8;}

/* ============ CTA ============ */
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--radius-xl);
  background:linear-gradient(115deg,#1B1240 0%,#3A1F8C 55%,#6C3BFF 100%);
  padding:52px 48px;display:flex;align-items:center;justify-content:space-between;
  gap:32px;flex-wrap:wrap;box-shadow:0 30px 60px -30px rgba(27,18,64,.75);
}
.cta-card::after{
  content:"";position:absolute;right:-60px;top:-70px;width:280px;height:280px;
  border-radius:50%;background:radial-gradient(circle,rgba(18,211,164,.5),transparent 70%);
}
.cta-copy{position:relative;z-index:2;max-width:620px;}
.cta-copy h2{color:#fff;}
.cta-copy p{margin-top:12px;color:#CFC9E6;font-size:15.5px;}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px;}
.cta-stats{margin-top:22px;display:inline-flex;}
.cta-stats .badge-pill-x{background:rgba(255,255,255,.14);color:#fff;}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#B9B3D6;padding:64px 0 26px;margin-top:0;}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1.1fr;gap:36px;}
.footer-brand .logo{margin-bottom:18px;}
.footer-brand p{font-size:14px;line-height:1.85;color:#B9B3D6;max-width:340px;}
.footer-col h3{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px;}
.footer-col ul{display:flex;flex-direction:column;gap:11px;}
.footer-col a{color:#B9B3D6;font-size:14px;}
.footer-col a:hover{color:var(--mint);}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:#B9B3D6;}
.footer-contact i{color:var(--mint);margin-top:5px;font-size:13px;}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:#8C87A6;
}

/* ============ 响应式 ============ */
@media(max-width:1199.98px){
  .rank-item{grid-template-columns:56px 1fr auto;}
  .rank-bar{display:none;}
}
@media(max-width:991.98px){
  .sidebar{display:none;}
  .mobile-topbar{display:flex;}
  .page{margin-left:0;padding-top:60px;}
  .hero{padding:72px 0 104px;}
  .stats-grid{grid-template-columns:repeat(2,1fr);}
  .tile-grid{grid-template-columns:1fr;}
  .steps{grid-template-columns:1fr;gap:18px;}
  .steps::before{display:none;}
  .link-cards{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .cta-card{padding:40px 30px;}
  .section{padding:64px 0;}
}
@media(max-width:575.98px){
  .container-x{padding:0 20px;}
  .hero{padding:56px 0 92px;}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{width:100%;}
  .stats-grid{grid-template-columns:repeat(2,1fr);gap:14px;}
  .stat-card{padding:16px;}
  .stat-num{font-size:1.4rem;}
  .tile{grid-template-columns:1fr;}
  .tile-media img{min-height:170px;}
  .footer-grid{grid-template-columns:1fr;}
  .cta-actions{width:100%;}
  .cta-actions .btn-orange,.cta-actions .btn-on-dark{width:100%;}
  .rank-item{grid-template-columns:44px 1fr;gap:12px;padding:14px 16px;row-gap:8px;}
  .rank-item .rank-link{grid-column:2;}
  .section{padding:48px 0;}
  .section-head{margin-bottom:26px;}
  .footer-bottom{flex-direction:column;align-items:flex-start;}
}

/* roulang page: category3 */
:root{
  --brand:#6C3BFF;
  --brand-2:#9A4BFF;
  --mint:#12D3A4;
  --mint-deep:#0B8F70;
  --orange:#FF7A45;
  --ink:#1B1240;
  --bg:#F7F6FC;
  --card:#FFFFFF;
  --line:#E9E6F5;
  --muted:#5A5478;
  --weak:#8C87A6;
  --grad-brand:linear-gradient(115deg,#6C3BFF 0%,#9A4BFF 48%,#12D3A4 100%);
  --r-xl:28px;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --sh-card:0 10px 30px -18px rgba(27,18,64,.25);
  --sh-hover:0 22px 44px -20px rgba(108,59,255,.35);
  --nav-w:240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;line-height:1.85;color:var(--ink);background:var(--bg);
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-2)}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.3;font-weight:700}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(108,59,255,.35);outline-offset:2px;border-radius:10px}
.container-x{width:100%;max-width:1160px;margin:0 auto;padding:0 20px}

/* ---------- App shell ---------- */
.sidebar{
  position:fixed;top:0;bottom:0;left:0;width:var(--nav-w);
  background:#1B1240;display:none;flex-direction:column;
  padding:0 16px 20px;z-index:1040;
  border-right:1px solid rgba(255,255,255,.06);
}
.sidebar .logo-zone{height:88px;display:flex;align-items:center}
.logo{display:flex;align-items:center;gap:10px}
.logo-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad-brand);
  display:grid;place-items:center;color:#fff;font-size:17px;flex:0 0 38px;
}
.logo-text strong{display:block;font-size:16px;color:#fff;line-height:1.2;letter-spacing:.01em}
.logo-text em{display:block;font-style:normal;font-size:11px;letter-spacing:.2em;color:#B9B3D6;margin-top:2px}
.side-nav{display:flex;flex-direction:column;gap:5px;margin-top:6px;flex:1 1 auto;overflow-y:auto}
.nav-item{
  position:relative;display:flex;align-items:center;gap:12px;
  min-height:46px;padding:0 14px;border-radius:14px;
  color:#C9C3E4;font-size:15px;font-weight:500;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.nav-item i{width:18px;text-align:center;font-size:15px;color:#8C87A6;transition:color .2s ease}
.nav-item:hover{color:#fff;background:rgba(108,59,255,.18);transform:translateX(2px)}
.nav-item:hover i{color:var(--mint)}
.nav-item.active{color:#fff;background:rgba(108,59,255,.3)}
.nav-item.active::before{
  content:"";position:absolute;left:0;top:11px;bottom:11px;width:3px;
  border-radius:3px;background:var(--grad-brand);
}
.nav-item.active i{color:var(--mint)}
.side-cta{
  margin-top:16px;display:flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;border-radius:999px;background:var(--grad-brand);color:#fff;
  font-weight:700;font-size:15px;box-shadow:0 14px 30px -16px rgba(108,59,255,.95);
  transition:transform .2s ease,filter .2s ease;
}
.side-cta:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.05)}
.side-tip{margin-top:14px;font-size:11.5px;line-height:1.7;color:#8C87A6;letter-spacing:.02em}

.mobile-bar{
  position:sticky;top:0;z-index:1050;height:60px;
  display:flex;align-items:center;justify-content:space-between;
  padding:0 18px;background:#1B1240;color:#fff;
}
.mobile-bar .logo-text strong{color:#fff}
.mobile-bar .logo-text em{color:#B9B3D6}
.burger{
  width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.18);
  background:rgba(255,255,255,.06);color:#fff;font-size:18px;
  display:grid;place-items:center;
}
.burger:hover{background:rgba(108,59,255,.35)}
.drawer{width:82%;max-width:320px;background:#1B1240;color:#C9C3E4;border:0!important}
.drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.08);padding:16px 18px}
.drawer .offcanvas-body{padding:16px 16px 24px;display:flex;flex-direction:column}
.drawer .btn-close{filter:invert(1) grayscale(1) brightness(2)}
.drawer .side-nav{flex:0 1 auto}

.main-area{margin-left:0;min-height:100vh;display:flex;flex-direction:column}
.page-strip{
  min-height:56px;display:flex;align-items:center;gap:14px;
  padding:10px 20px;background:rgba(255,255,255,.92);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--line);
  position:sticky;top:0;z-index:1000;
}
.breadcrumb-x{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--weak);flex-wrap:wrap}
.breadcrumb-x a{color:var(--muted)}
.breadcrumb-x a:hover{color:var(--brand)}
.breadcrumb-x .sep{color:#C6C1DC}
.breadcrumb-x .now{color:var(--weak)}
.strip-title{margin-left:auto;font-size:12.5px;color:var(--weak);letter-spacing:.02em;white-space:nowrap}

/* ---------- Buttons ---------- */
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 26px;border:0;border-radius:999px;
  background:var(--grad-brand);color:#fff;font-weight:700;font-size:15px;
  letter-spacing:.01em;box-shadow:0 12px 26px -14px rgba(108,59,255,.85);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;cursor:pointer;
}
.btn-brand:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.04);box-shadow:0 18px 34px -14px rgba(108,59,255,.9)}
.btn-brand:focus-visible{outline:3px solid rgba(108,59,255,.35);outline-offset:2px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  min-height:48px;padding:0 24px;border-radius:999px;
  background:#fff;border:1px solid var(--line);color:var(--brand);font-weight:600;font-size:15px;
  transition:background .2s ease,border-color .2s ease,transform .2s ease;cursor:pointer;
}
.btn-ghost:hover{background:#F4F0FF;border-color:rgba(108,59,255,.45);color:var(--brand);transform:translateY(-2px)}
.btn-line{display:inline-flex;align-items:center;gap:6px;font-weight:600;font-size:15px;color:var(--brand);border-bottom:2px solid rgba(108,59,255,.25);padding-bottom:2px;transition:color .2s ease,border-color .2s ease}
.btn-line:hover{color:var(--brand-2);border-color:var(--mint)}

/* ---------- Hero ---------- */
.hero{position:relative;overflow:hidden;background:#1B1240;color:#fff;padding:56px 0 84px;border-bottom-left-radius:28px;border-bottom-right-radius:28px}
.hero::before{
  content:"";position:absolute;width:560px;height:560px;left:-160px;top:-200px;border-radius:50%;
  background:radial-gradient(circle,rgba(108,59,255,.8) 0%,rgba(108,59,255,0) 68%);
}
.hero::after{
  content:"";position:absolute;width:460px;height:460px;right:-140px;bottom:-220px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,211,164,.42) 0%,rgba(18,211,164,0) 70%);
}
.hero-dots{position:absolute;inset:0;background-image:radial-gradient(rgba(255,255,255,.16) 1px,transparent 1px);background-size:22px 22px;opacity:.45;pointer-events:none}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.05fr .95fr;gap:52px;align-items:center}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.2);
  font-size:12.5px;font-weight:600;letter-spacing:.02em;color:#E7E3FF;
}
.hero-badge i{color:var(--mint)}
.hero h1{
  margin:20px 0 0;font-size:clamp(2.1rem,4.4vw,3.2rem);font-weight:800;letter-spacing:-.02em;
  color:#fff;line-height:1.22;
}
.hero h1 .grad{background:linear-gradient(100deg,#C0A8FF,#12D3A4);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-lead{margin-top:18px;font-size:16.5px;line-height:1.9;color:#C9C3E4;max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-actions .btn-ghost{background:rgba(255,255,255,.08);border-color:rgba(255,255,255,.25);color:#fff}
.hero-actions .btn-ghost:hover{background:rgba(255,255,255,.16);border-color:rgba(18,211,164,.6);color:#fff}
.hero-card{position:relative;border-radius:24px;overflow:hidden;background:var(--grad-brand);aspect-ratio:16/10;box-shadow:0 34px 60px -30px rgba(0,0,0,.7)}
.hero-card img{width:100%;height:100%;object-fit:cover}
.float-badge{
  position:absolute;z-index:3;background:#fff;color:var(--ink);border-radius:14px;
  padding:10px 14px;font-size:12.5px;line-height:1.4;font-weight:600;
  box-shadow:0 18px 32px -18px rgba(0,0,0,.65);
}
.float-badge b{display:block;font-size:1.15rem;font-weight:800;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.float-badge.fb-a{left:-14px;top:22px}
.float-badge.fb-b{right:-10px;bottom:26px}

/* ---------- Stats ---------- */
.stats-band{margin-top:-42px;position:relative;z-index:5}
.stats-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px}
.stat-pill{
  display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);
  border-radius:999px;padding:14px 22px;box-shadow:var(--sh-card);
}
.stat-pill b{font-size:1.55rem;font-weight:800;background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;white-space:nowrap}
.stat-pill span{font-size:11.5px;color:var(--weak);letter-spacing:.02em;line-height:1.4}

/* ---------- Sections ---------- */
.section{padding:74px 0}
.section-head{max-width:760px;margin-bottom:38px}
.section-head .kicker{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:600;
  letter-spacing:.06em;color:var(--brand);background:#F1EDFF;border-radius:999px;padding:6px 14px;
}
.section-head h2{margin-top:16px;font-size:clamp(1.5rem,2.6vw,2.1rem);font-weight:700;letter-spacing:-.01em}
.section-head p{margin-top:12px;color:var(--muted);font-size:15.5px}

/* ---------- Z rows ---------- */
.z-row{display:grid;grid-template-columns:1.02fr .98fr;gap:56px;align-items:center;margin-bottom:72px}
.z-row:last-child{margin-bottom:0}
.z-figure{
  position:relative;border-radius:16px;overflow:hidden;background:var(--grad-brand);
  aspect-ratio:16/10;box-shadow:var(--sh-card);
}
.z-figure img{width:100%;height:100%;object-fit:cover}
.z-figure .fig-tag{
  position:absolute;left:16px;top:16px;background:rgba(27,18,64,.78);color:#fff;
  font-size:12px;font-weight:600;letter-spacing:.02em;padding:6px 14px;border-radius:999px;
  backdrop-filter:blur(4px);
}
.z-row.rev .z-figure{order:2}
.z-row.rev .z-copy{order:1}
.z-copy .num{
  display:inline-grid;place-items:center;width:44px;height:44px;border-radius:14px;
  background:#F1EDFF;color:var(--brand);font-weight:800;font-size:16px;border:1px solid rgba(108,59,255,.2);
}
.z-copy h3{margin-top:16px;font-size:1.3rem;font-weight:700}
.z-copy h3 span{color:var(--brand)}
.z-copy p{margin-top:14px;color:var(--muted);font-size:15.5px}
.tag-row{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px}
.tag{
  display:inline-flex;align-items:center;gap:6px;font-size:12.5px;font-weight:600;
  letter-spacing:.02em;padding:6px 13px;border-radius:999px;background:#F1EDFF;color:var(--brand);
}
.tag.mint{background:#E4FAF3;color:var(--mint-deep)}
.tag.orange{background:#FFF0E8;color:#C74E1E}
.z-copy .btn-line{margin-top:20px}

/* ---------- Soft panel ---------- */
.panel{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:34px;box-shadow:var(--sh-card);
}
.panel h3{font-size:1.15rem}
.check-list{margin-top:18px;display:grid;gap:14px}
.check-list li{display:flex;gap:12px;font-size:15px;color:var(--muted)}
.check-list li i{color:var(--mint);margin-top:6px;font-size:14px}
.split{display:grid;grid-template-columns:1fr 1fr;gap:24px}

/* ---------- FAQ ---------- */
.faq-acc .accordion-item{
  border:1px solid var(--line);border-radius:var(--r-md)!important;overflow:hidden;
  margin-bottom:12px;background:#fff;box-shadow:var(--sh-card);
}
.faq-acc .accordion-button{
  font-weight:700;font-size:16px;color:var(--ink);background:#fff;
  padding:18px 22px;box-shadow:none;display:flex;align-items:center;gap:14px;
}
.faq-acc .accordion-button::after{display:none}
.faq-acc .accordion-button:not(.collapsed){color:var(--brand);background:#F7F4FF}
.faq-acc .accordion-button:focus{box-shadow:0 0 0 3px rgba(108,59,255,.18);z-index:2}
.faq-acc .q-mark{
  margin-left:auto;flex:0 0 26px;width:26px;height:26px;border-radius:50%;
  background:#F1EDFF;color:var(--brand);display:inline-flex;align-items:center;justify-content:center;
  font-weight:700;font-size:15px;line-height:1;
}
.faq-acc .q-mark::before{content:"+"}
.faq-acc .accordion-button:not(.collapsed) .q-mark{background:var(--grad-brand);color:#fff}
.faq-acc .accordion-button:not(.collapsed) .q-mark::before{content:"−"}
.faq-acc .accordion-body{
  padding:0 22px 22px;font-size:15px;line-height:1.85;color:var(--muted);
  border-top:1px solid rgba(108,59,255,.2);
}

/* ---------- CTA ---------- */
.cta-wrap{padding:0 0 84px}
.cta-card{
  position:relative;overflow:hidden;border-radius:28px;padding:48px;
  background:linear-gradient(118deg,#1B1240 0%,#3A1E86 52%,#6C3BFF 100%);
  color:#fff;display:grid;grid-template-columns:1.2fr .8fr;gap:34px;align-items:center;
}
.cta-card::after{
  content:"";position:absolute;right:-120px;top:-120px;width:380px;height:380px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,211,164,.4) 0%,rgba(18,211,164,0) 70%);
}
.cta-card h2{color:#fff;font-size:clamp(1.5rem,2.4vw,2rem);font-weight:700;position:relative;z-index:2}
.cta-card p{margin-top:12px;color:#C9C3E4;font-size:15.5px;position:relative;z-index:2}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;position:relative;z-index:2}
.cta-badge{
  display:inline-flex;align-items:center;gap:10px;margin-top:22px;position:relative;z-index:2;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);
  border-radius:999px;padding:9px 18px;font-size:12.5px;color:#E7E3FF;
}
.cta-badge b{background:linear-gradient(100deg,#C0A8FF,#12D3A4);-webkit-background-clip:text;background-clip:text;color:transparent;font-weight:800;font-size:15px}

/* ---------- Footer ---------- */
.site-footer{background:#1B1240;color:#B9B3D6;padding:64px 0 26px;margin-top:auto}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.1fr;gap:36px}
.footer-brand .logo{margin-bottom:16px}
.footer-brand p{font-size:14px;line-height:1.9;color:#B9B3D6;max-width:340px}
.footer-col h3{font-size:14px;color:#fff;font-weight:700;letter-spacing:.03em;margin-bottom:16px}
.footer-col ul{display:grid;gap:11px}
.footer-col a{font-size:14px;color:#B9B3D6}
.footer-col a:hover{color:var(--mint)}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:#B9B3D6;line-height:1.7}
.footer-contact i{color:var(--mint);margin-top:6px;font-size:13px;width:16px}
.footer-bottom{
  margin-top:44px;padding-top:20px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:#8C87A6;
}

/* ---------- Responsive ---------- */
@media (min-width:992px){
  .sidebar{display:flex}
  .mobile-bar{display:none}
  .main-area{margin-left:var(--nav-w)}
  .container-x{padding:0 32px}
  .page-strip{padding:10px 32px}
  .hero{padding-top:72px}
}
@media (max-width:1199px){
  .hero-inner{gap:36px}
  .z-row{gap:40px}
}
@media (max-width:991px){
  .hero{border-bottom-left-radius:22px;border-bottom-right-radius:22px;padding-bottom:64px}
  .hero-inner{grid-template-columns:1fr}
  .hero-card{order:-1}
  .float-badge.fb-a{left:10px}
  .float-badge.fb-b{right:10px}
  .stats-grid{grid-template-columns:1fr 1fr}
  .stats-band{margin-top:-30px}
  .z-row{grid-template-columns:1fr;gap:26px;margin-bottom:56px}
  .z-row.rev .z-figure{order:0}
  .z-row.rev .z-copy{order:0}
  .split{grid-template-columns:1fr}
  .cta-card{grid-template-columns:1fr;padding:34px 26px}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1fr 1fr;gap:30px}
  .section{padding:56px 0}
}
@media (max-width:575px){
  .stats-grid{grid-template-columns:1fr 1fr;gap:12px}
  .stat-pill{flex-direction:column;align-items:flex-start;gap:4px;border-radius:18px;padding:14px 16px}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{width:100%}
  .cta-actions .btn-brand,.cta-actions .btn-ghost{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .panel{padding:24px 20px}
  .strip-title{display:none}
  .section-head p{font-size:15px}
}

/* roulang page: category2 */
:root{
  --brand:#6C3BFF;
  --brand-2:#9A4BFF;
  --mint:#12D3A4;
  --orange:#FF7A45;
  --ink:#1B1240;
  --deep:#150E36;
  --bg:#F7F6FC;
  --card:#FFFFFF;
  --line:#E9E6F5;
  --text:#1B1240;
  --muted:#5A5478;
  --weak:#8C87A6;
  --grad-brand:linear-gradient(115deg,#6C3BFF 0%,#9A4BFF 48%,#12D3A4 100%);
  --r-xl:28px;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --r-img:16px;
  --sh-card:0 10px 30px -18px rgba(27,18,64,.25);
  --sh-hover:0 22px 44px -20px rgba(108,59,255,.35);
  --sidebar-w:240px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  font-variant-numeric:tabular-nums;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--brand-2)}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:-.01em;color:var(--ink)}
p{margin:0}
button{font-family:inherit}
:focus-visible{outline:3px solid rgba(108,59,255,.35);outline-offset:2px;border-radius:8px}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:992px){.container-x{padding:0 32px}}

/* ============ 侧栏导航 ============ */
.app-sidebar{
  --bs-offcanvas-width:82%;
  background-color:#150E36;
  background-image:radial-gradient(520px 320px at 10% 0%,rgba(108,59,255,.35),transparent 65%);
  color:#B9B3D6;
  border-right:1px solid rgba(255,255,255,.07);
  max-width:320px;
}
.app-sidebar .offcanvas-header{
  display:flex;align-items:center;justify-content:space-between;
  height:88px;padding:0 20px;border-bottom:1px solid rgba(255,255,255,.07);
}
.app-sidebar .offcanvas-body{
  display:flex;flex-direction:column;padding:20px 16px 24px;gap:16px;
}
.sidebar-close{
  width:40px;height:40px;border-radius:12px;border:1px solid rgba(255,255,255,.14);
  background:rgba(255,255,255,.06);color:#fff;display:grid;place-items:center;font-size:16px;
}
.sidebar-close:hover{background:rgba(255,255,255,.14)}
.logo{display:inline-flex;align-items:center;gap:12px;color:#fff}
.logo:hover{color:#fff}
.logo-mark{
  width:42px;height:42px;border-radius:14px;display:grid;place-items:center;flex:0 0 auto;
  background:var(--grad-brand);color:#fff;font-size:18px;
  box-shadow:0 10px 24px -12px rgba(108,59,255,.9);
}
.logo-text{display:flex;flex-direction:column;line-height:1.15}
.logo-text strong{font-size:17px;font-weight:800;letter-spacing:.02em}
.logo-text em{font-style:normal;font-size:12px;letter-spacing:.16em;color:#12D3A4}
.side-nav{display:flex;flex-direction:column;gap:6px;margin-top:6px}
.nav-item{
  position:relative;display:flex;align-items:center;gap:12px;
  padding:12px 14px;border-radius:14px;color:#B9B3D6;font-size:15px;font-weight:500;
  transition:transform .2s ease,background .2s ease,color .2s ease;
}
.nav-item i{width:18px;text-align:center;font-size:15px;opacity:.9}
.nav-item:hover{background:rgba(255,255,255,.06);color:#fff;transform:translateX(2px)}
.nav-item.active{background:rgba(108,59,255,.24);color:#fff;font-weight:700}
.nav-item.active::before{
  content:"";position:absolute;left:0;top:10px;bottom:10px;width:3px;border-radius:3px;
  background:var(--grad-brand);
}
.sidebar-cta{margin-top:auto;padding-top:16px;border-top:1px solid rgba(255,255,255,.07)}
.sidebar-note{margin-top:10px;font-size:12px;color:#8C87A6;text-align:center;letter-spacing:.02em}

@media (min-width:992px){
  .app-sidebar{
    position:fixed;top:0;left:0;bottom:0;z-index:1030;
    width:var(--sidebar-w) !important;max-width:var(--sidebar-w);height:100vh;
    display:flex;flex-direction:column;
    background-color:#150E36 !important;
    background-image:radial-gradient(520px 320px at 10% 0%,rgba(108,59,255,.35),transparent 65%);
  }
  .app-sidebar .offcanvas-body{flex:1 1 auto;overflow-y:auto;padding:20px 16px 24px}
  .app-sidebar .offcanvas-header{display:flex;height:88px}
  .sidebar-close{display:none}
}

/* ============ 移动顶栏 ============ */
.mobile-topbar{
  position:sticky;top:0;z-index:1040;height:60px;display:flex;align-items:center;justify-content:space-between;
  padding:0 16px;background:rgba(21,14,54,.96);backdrop-filter:blur(10px);
  border-bottom:1px solid rgba(255,255,255,.08);
}
.hamburger{
  width:44px;height:44px;border-radius:12px;border:1px solid rgba(255,255,255,.16);
  background:rgba(255,255,255,.07);color:#fff;font-size:17px;display:grid;place-items:center;
}
.hamburger:active{transform:scale(.96)}

/* ============ 主区域 ============ */
.app-main{margin-left:0}
@media (min-width:992px){.app-main{margin-left:var(--sidebar-w)}}

.page-bar{
  position:sticky;top:60px;z-index:1010;height:56px;display:flex;align-items:center;
  background:rgba(255,255,255,.88);backdrop-filter:blur(10px);
  border-bottom:1px solid var(--line);
}
@media (min-width:992px){.page-bar{top:0}}
.page-bar .container-x{display:flex;align-items:center;justify-content:space-between;gap:16px;width:100%}
.page-bar-title{font-size:13px;font-weight:700;color:var(--brand);letter-spacing:.02em;white-space:nowrap}
.crumbs{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--weak);flex-wrap:wrap}
.crumbs a{color:var(--muted)}
.crumbs a:hover{color:var(--brand)}
.crumbs i{font-size:10px;color:var(--weak)}
.crumbs span{color:var(--weak)}

/* ============ 按钮 ============ */
.btn{border-radius:999px;font-weight:700;font-size:15px;padding:12px 24px;border:1px solid transparent;display:inline-flex;align-items:center;justify-content:center;gap:8px;transition:all .22s ease;min-height:44px}
.btn:active{transform:translateY(0) scale(.99)}
.btn-brand{background-image:var(--grad-brand);color:#fff;box-shadow:0 14px 28px -16px rgba(108,59,255,.85)}
.btn-brand:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.04);box-shadow:0 22px 40px -18px rgba(108,59,255,.9)}
.btn-brand:focus-visible{outline:3px solid rgba(108,59,255,.28);outline-offset: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,.18);color:#fff;transform:translateY(-2px)}
.btn-outline{background:#fff;border-color:var(--line);color:var(--brand)}
.btn-outline:hover{background:#F2EEFF;border-color:rgba(108,59,255,.3);color:var(--brand);transform:translateY(-2px)}
.btn-accent{background:var(--orange);color:#fff;box-shadow:0 14px 28px -16px rgba(255,122,69,.9)}
.btn-accent:hover{color:#fff;transform:translateY(-2px);filter:brightness(1.05)}
.btn-block{width:100%}

.link-arrow{
  display:inline-flex;align-items:center;gap:8px;font-weight:700;font-size:14px;
  color:var(--brand);border-bottom:2px solid rgba(108,59,255,.25);padding-bottom:2px;
}
.link-arrow i{font-size:12px;transition:transform .2s ease}
.link-arrow:hover{border-bottom-color:var(--brand-2)}
.link-arrow:hover i{transform:translateX(3px)}

/* ============ 分类页 Hero ============ */
.cat-hero{
  position:relative;overflow:hidden;border-radius:0 0 var(--r-xl) var(--r-xl);
  background-color:#1B1240;
  background-image:linear-gradient(115deg,rgba(27,18,64,.94) 0%,rgba(27,18,64,.82) 46%,rgba(18,211,164,.28) 100%),url("/assets/images/backpic/back-1.png");
  background-size:cover;background-position:center;
  color:#fff;
}
.cat-hero::after{
  content:"";position:absolute;inset:0;pointer-events:none;
  background-image:radial-gradient(rgba(255,255,255,.14) 1px,transparent 1px);
  background-size:22px 22px;opacity:.35;
}
.hero-inner{position:relative;z-index:2;padding:44px 0 64px}
.crumbs-hero a{color:#CFC8EE}
.crumbs-hero a:hover{color:#12D3A4}
.crumbs-hero span,.crumbs-hero i{color:#9A93C4}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;margin:22px 0 16px;
  padding:7px 16px;border-radius:999px;font-size:12.5px;font-weight:600;letter-spacing:.02em;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.22);color:#EAE6FF;
}
.hero-tag i{color:#12D3A4}
.cat-hero h1{
  font-size:clamp(2.1rem,4.4vw,3.5rem);font-weight:800;letter-spacing:-.02em;color:#fff;max-width:16em;
}
.hero-lead{max-width:44em;margin-top:18px;font-size:16.5px;line-height:1.85;color:#CFC8EE}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:38px}
.stat-pill{
  display:flex;align-items:baseline;gap:8px;padding:10px 18px;border-radius:999px;
  background:rgba(255,255,255,.94);border:1px solid rgba(255,255,255,.5);
  box-shadow:0 12px 28px -20px rgba(27,18,64,.9);
}
.stat-pill strong{
  font-size:1.35rem;font-weight:800;letter-spacing:-.01em;
  background:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.stat-pill span{font-size:12px;color:var(--muted);letter-spacing:.02em}

/* ============ 通用板块 ============ */
.section{padding:56px 0}
@media (min-width:992px){.section{padding:88px 0}}
.sec-head{max-width:720px;margin-bottom:36px}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:12.5px;font-weight:700;letter-spacing:.08em;
  text-transform:uppercase;color:var(--brand);margin-bottom:12px;
}
.sec-eyebrow::before{content:"";width:22px;height:2px;border-radius:2px;background:var(--grad-brand)}
.sec-title{font-size:clamp(1.5rem,2.6vw,2.1rem);font-weight:700}
.sec-sub{margin-top:12px;color:var(--muted);font-size:15.5px;max-width:46em}
.badge-pill{
  display:inline-block;padding:5px 13px;border-radius:999px;font-size:12.5px;font-weight:600;letter-spacing:.02em;
  background:#F0ECFF;color:var(--brand);
}
.badge-mint{background:rgba(18,211,164,.14);color:#07916F}
.badge-warm{background:rgba(255,122,69,.14);color:#D9541F}

/* ============ 时间线 ============ */
.timeline{position:relative;padding-left:0}
.timeline::before{
  content:"";position:absolute;left:23px;top:14px;bottom:20px;width:2px;border-radius:2px;
  background:linear-gradient(180deg,#6C3BFF,#9A4BFF 55%,#12D3A4);opacity:.32;
}
.timeline-item{position:relative;padding-left:76px;padding-bottom:36px}
.timeline-item:last-child{padding-bottom:0}
.timeline-dot{
  position:absolute;left:0;top:0;width:48px;height:48px;border-radius:50%;
  display:grid;place-items:center;font-weight:800;font-size:15px;color:var(--brand);
  background-image:linear-gradient(#fff,#fff),var(--grad-brand);
  background-origin:border-box;background-clip:padding-box,border-box;
  border:2px solid transparent;box-shadow:0 10px 24px -16px rgba(108,59,255,.95);
}
.timeline-body{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  padding:24px 26px;box-shadow:var(--sh-card);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.timeline-body:hover{transform:translateY(-4px);border-color:rgba(108,59,255,.3);box-shadow:var(--sh-hover)}
.timeline-body h3{font-size:1.22rem;font-weight:700;margin:10px 0 8px}
.timeline-body p{color:var(--muted);font-size:15px;margin-bottom:8px}
.timeline-meta{display:flex;flex-wrap:wrap;gap:8px;align-items:center}
.timeline-foot{margin-top:14px}

/* ============ 材料准备 ============ */
.materials-grid{display:grid;grid-template-columns:1fr;gap:28px;align-items:start}
@media (min-width:992px){.materials-grid{grid-template-columns:1.05fr 1fr;gap:44px}}
.media-frame{
  position:relative;border-radius:var(--r-xl);overflow:hidden;aspect-ratio:16/10;
  background-image:var(--grad-brand);box-shadow:var(--sh-card);
}
.media-frame img{width:100%;height:100%;object-fit:cover}
.media-badge{
  position:absolute;left:18px;bottom:18px;padding:9px 16px;border-radius:999px;
  background:rgba(255,255,255,.95);color:var(--ink);font-size:12.5px;font-weight:700;
  box-shadow:0 12px 26px -18px rgba(27,18,64,.9);
}
.checklist{display:flex;flex-direction:column;gap:14px;margin-top:8px}
.checklist li{
  display:flex;gap:14px;padding:16px 18px;border-radius:var(--r-md);
  background:#fff;border:1px solid var(--line);box-shadow:var(--sh-card);
  transition:transform .2s ease,border-color .2s ease;
}
.checklist li:hover{transform:translateY(-3px);border-color:rgba(108,59,255,.28)}
.checklist i{
  flex:0 0 auto;width:32px;height:32px;border-radius:10px;display:grid;place-items:center;
  background:#F0ECFF;color:var(--brand);font-size:13px;
}
.checklist strong{display:block;font-size:15px;color:var(--ink)}
.checklist span{font-size:13.5px;color:var(--muted);line-height:1.7}

/* ============ 排查卡 ============ */
.issue-grid{display:grid;grid-template-columns:1fr;gap:22px}
@media (min-width:768px){.issue-grid{grid-template-columns:1fr 1fr}}
.issue-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;
  box-shadow:var(--sh-card);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.issue-card:nth-child(even){margin-top:0}
@media (min-width:768px){.issue-card:nth-child(even){margin-top:26px}}
.issue-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:rgba(108,59,255,.3)}
.issue-icon{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;font-size:17px;
  background:#F0ECFF;color:var(--brand);margin-bottom:16px;
}
.issue-card h3{font-size:1.1rem;font-weight:700;margin-bottom:8px}
.issue-card p{color:var(--muted);font-size:14.8px}

/* ============ FAQ ============ */
.faq .accordion-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md) !important;
  margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-card);
}
.faq .accordion-button{
  background:#fff;color:var(--ink);font-weight:700;font-size:1rem;line-height:1.6;
  padding:20px 60px 20px 22px;box-shadow:none;border-radius:var(--r-md) !important;
}
.faq .accordion-button:not(.collapsed){background:#F5F2FF;color:var(--brand)}
.faq .accordion-button:focus{box-shadow:0 0 0 3px rgba(108,59,255,.16);z-index:3}
.faq .accordion-button::after{
  content:"+";background-image:none;width:30px;height:30px;border-radius:50%;
  background:#F0ECFF;color:var(--brand);font-size:18px;font-weight:700;
  display:grid;place-items:center;line-height:1;position:absolute;right:22px;top:50%;
  transform:translateY(-50%);transition:background .2s ease,color .2s ease;
}
.faq .accordion-button:not(.collapsed)::after{content:"−";background:var(--brand);color:#fff;transform:translateY(-50%)}
.faq .accordion-body{padding:4px 22px 22px;font-size:15px;line-height:1.85;color:var(--muted);border-top:1px solid rgba(108,59,255,.16)}

/* ============ 内链卡组 ============ */
.link-cards{display:grid;grid-template-columns:1fr;gap:22px}
@media (min-width:768px){.link-cards{grid-template-columns:1fr 1fr}}
@media (min-width:1100px){.link-cards{grid-template-columns:repeat(4,1fr)}}
.link-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-card);color:var(--ink);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.link-card:hover{transform:translateY(-4px);border-color:rgba(108,59,255,.3);box-shadow:var(--sh-hover);color:var(--ink)}
.link-card-media{aspect-ratio:16/10;background-image:var(--grad-brand);overflow:hidden}
.link-card-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.link-card:hover .link-card-media img{transform:scale(1.05)}
.link-card-body{padding:18px 20px 22px}
.link-card-body h3{font-size:1rem;font-weight:700;margin-bottom:6px}
.link-card-body p{font-size:13.5px;color:var(--muted);line-height:1.7}

/* ============ CTA ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);padding:40px 28px;
  background-image:linear-gradient(115deg,#1B1240 0%,#3A1E86 55%,#6C3BFF 100%);
  color:#fff;box-shadow:0 30px 60px -34px rgba(27,18,64,.9);
}
@media (min-width:992px){.cta-band{padding:56px 52px}}
.cta-band::after{
  content:"";position:absolute;right:-60px;top:-60px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,211,164,.45),transparent 66%);pointer-events:none;
}
.cta-inner{position:relative;z-index:2;display:grid;grid-template-columns:1fr;gap:26px;align-items:center}
@media (min-width:992px){.cta-inner{grid-template-columns:1.35fr 1fr}}
.cta-band h2{color:#fff;font-size:clamp(1.5rem,2.6vw,2.1rem);font-weight:700}
.cta-band p{color:#CFC8EE;margin-top:10px;font-size:15.5px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}
@media (min-width:992px){.cta-actions{justify-content:flex-end}}
.cta-chip{
  display:inline-flex;align-items:center;gap:8px;margin-top:18px;padding:8px 16px;border-radius:999px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);font-size:12.5px;color:#EAE6FF;
}

/* ============ 页脚 ============ */
.site-footer{background:var(--deep);color:#B9B3D6;margin-top:72px;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1fr;gap:36px}
@media (min-width:768px){.footer-grid{grid-template-columns:1fr 1fr}}
@media (min-width:992px){.footer-grid{grid-template-columns:1.5fr 1fr 1fr 1.2fr;gap:40px}}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:#9A93C4;max-width:32em}
.footer-brand .logo-text strong{color:#fff}
.footer-col h3{color:#fff;font-size:15px;font-weight:700;margin-bottom:16px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{color:#B9B3D6;font-size:14px}
.footer-col a:hover{color:var(--mint)}
.footer-contact li{display:flex;align-items:flex-start;gap:10px;font-size:14px;color:#B9B3D6}
.footer-contact i{color:var(--mint);font-size:13px;margin-top:6px}
.footer-bottom{
  margin-top:48px;padding:20px 0;border-top:1px solid rgba(255,255,255,.08);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;font-size:13px;color:#8C87A6;
}

@media (max-width:575.98px){
  .hero-actions .btn{width:100%}
  .cta-actions{flex-direction:column}
  .cta-actions .btn{width:100%}
  .stat-pill{flex:1 1 calc(50% - 6px);justify-content:center}
  .timeline-item{padding-left:64px}
  .timeline-body{padding:20px}
  .timeline-dot{width:42px;height:42px;font-size:14px}
  .timeline::before{left:20px}
}

/* roulang page: category4 */
:root{
  --brand:#6C3BFF;
  --brand-2:#9A4BFF;
  --mint:#12D3A4;
  --orange:#FF7A45;
  --ink:#1B1240;
  --bg:#F7F6FC;
  --card:#FFFFFF;
  --line:#E9E6F5;
  --text:#1B1240;
  --muted:#5A5478;
  --weak:#8C87A6;
  --lilac:#F5F2FF;
  --grad-brand:linear-gradient(115deg,#6C3BFF 0%,#9A4BFF 55%,#12D3A4 100%);
  --r-xl:28px;
  --r-lg:24px;
  --r-md:18px;
  --r-sm:12px;
  --sh-1:0 10px 30px -18px rgba(27,18,64,.25);
  --sh-2:0 22px 44px -20px rgba(108,59,255,.35);
  --sidebar-w:240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,"Segoe UI",sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;line-height:1.3;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums}
.container-x{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
@media (min-width:992px){.container-x{padding:0 32px}}

/* ============ 侧边导航 ============ */
.side-shell{
  position:fixed;left:0;top:0;bottom:0;width:var(--sidebar-w);
  background:var(--ink);
  display:flex;flex-direction:column;
  z-index:1040;
  border-right:1px solid rgba(255,255,255,.06);
}
.side-shell::after{
  content:"";position:absolute;inset:auto -60px -120px auto;width:220px;height:220px;
  background:radial-gradient(circle,rgba(108,59,255,.5),transparent 70%);
  pointer-events:none;
}
.side-brand{
  height:88px;display:flex;align-items:center;padding:0 20px;
  border-bottom:1px solid rgba(255,255,255,.08);
}
.logo{display:flex;align-items:center;gap:12px}
.logo-mark{
  width:40px;height:40px;border-radius:12px;background-image:var(--grad-brand);
  display:grid;place-items:center;color:#fff;font-size:18px;flex:0 0 40px;
  box-shadow:0 10px 22px -12px rgba(108,59,255,.9);
}
.logo-text strong{display:block;font-size:16px;line-height:1.2;letter-spacing:.02em}
.logo-text em{display:block;font-style:normal;font-size:11px;letter-spacing:.26em;color:var(--weak);margin-top:2px}
.side-shell .logo-text strong{color:#fff}
.side-shell .logo-text em{color:#8C87A6}

.side-nav{display:flex;flex-direction:column;gap:6px;padding:18px 14px;flex:1 1 auto;overflow-y:auto}
.side-nav .nav-item{
  position:relative;display:flex;align-items:center;gap:12px;
  padding:12px 14px;border-radius:12px;
  color:#B9B3D6;font-size:15px;font-weight:500;
  transition:background .22s ease,color .22s ease,transform .22s ease;
  min-height:44px;
}
.side-nav .nav-item i{width:20px;text-align:center;font-size:15px;opacity:.9}
.side-nav .nav-item:hover{color:#fff;background:rgba(255,255,255,.07);transform:translateX(2px)}
.side-nav .nav-item.active{color:#fff;font-weight:700;background:rgba(108,59,255,.22)}
.side-nav .nav-item.active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:22px;border-radius:3px;background-image:var(--grad-brand);
}
.side-foot{padding:18px 18px 24px;border-top:1px solid rgba(255,255,255,.08)}

/* ============ 按钮 ============ */
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background-image:var(--grad-brand);color:#fff;border:0;
  border-radius:999px;padding:13px 26px;font-weight:700;font-size:15px;
  box-shadow:0 14px 28px -16px rgba(108,59,255,.9);
  transition:transform .22s ease,box-shadow .22s ease,filter .22s ease;
  cursor:pointer;min-height:46px;
}
.btn-brand:hover{transform:translateY(-2px);filter:brightness(1.04);box-shadow:0 20px 36px -16px rgba(108,59,255,.95);color:#fff}
.btn-brand:focus-visible{outline:3px solid rgba(108,59,255,.35);outline-offset:2px}
.btn-brand.wide{width:100%}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:#fff;border:1px solid var(--line);color:var(--brand);
  border-radius:999px;padding:12px 24px;font-weight:700;font-size:15px;
  transition:background .22s ease,border-color .22s ease,transform .22s ease;
  min-height:46px;
}
.btn-ghost:hover{background:var(--lilac);border-color:rgba(108,59,255,.35);transform:translateY(-2px);color:var(--brand)}
.btn-ghost:focus-visible{outline:3px solid rgba(108,59,255,.25);outline-offset:2px}
.btn-ghost.on-dark{background:transparent;border-color:rgba(255,255,255,.35);color:#fff}
.btn-ghost.on-dark:hover{background:rgba(255,255,255,.12);border-color:#fff}
.link-more{
  display:inline-flex;align-items:center;gap:6px;color:var(--brand);font-weight:700;font-size:15px;
  border-bottom:2px solid transparent;padding-bottom:2px;transition:.22s;
}
.link-more:hover{border-bottom-color:var(--brand);color:var(--brand-2)}

/* ============ 主体框架 ============ */
.app-main{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column}
.topbar{
  height:56px;position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.92);backdrop-filter:blur(12px);
  border-bottom:1px solid var(--line);
  display:flex;align-items:center;
}
.topbar .container-x{display:flex;align-items:center;justify-content:space-between;gap:16px}
.crumb{display:flex;align-items:center;gap:8px;font-size:14px;color:var(--weak);flex-wrap:wrap}
.crumb a{color:var(--muted);font-weight:600;transition:color .2s}
.crumb a:hover{color:var(--brand)}
.crumb .sep{color:#CFC9E4}
.crumb .now{color:var(--weak)}
.topbar-tag{font-size:13px;font-weight:700;color:var(--brand);background:var(--lilac);border-radius:999px;padding:5px 14px;white-space:nowrap}

.mobile-topbar{display:none}

/* ============ Hero ============ */
.page-hero{
  position:relative;overflow:hidden;color:#fff;
  background:#1B1240 url('/assets/images/backpic/back-2.webp') center/cover no-repeat;
  border-radius:0 0 var(--r-xl) var(--r-xl);
  padding:56px 0 64px;
}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(115deg,rgba(27,18,64,.95) 0%,rgba(27,18,64,.85) 48%,rgba(108,59,255,.58) 100%);
}
.page-hero::after{
  content:"";position:absolute;inset:0;opacity:.35;
  background-image:radial-gradient(rgba(255,255,255,.28) 1px,transparent 1px);
  background-size:22px 22px;
  mask-image:linear-gradient(180deg,rgba(0,0,0,.9),transparent 78%);
}
.page-hero .container-x{position:relative;z-index:2}
.hero-badge{
  display:inline-flex;align-items:center;gap:8px;
  background:rgba(255,255,255,.12);border:1px solid rgba(255,255,255,.28);
  color:#fff;border-radius:999px;padding:7px 16px;font-size:13px;font-weight:600;letter-spacing:.02em;
  backdrop-filter:blur(6px);
}
.hero-badge i{color:var(--mint)}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center;margin-top:22px}
.page-hero h1{
  font-size:clamp(2.1rem,4.4vw,3.3rem);font-weight:800;letter-spacing:-.02em;
  margin:18px 0 18px;line-height:1.2;
}
.page-hero h1 .hl{
  background-image:linear-gradient(115deg,#8CE9D0,#12D3A4 60%,#9A4BFF);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-lead{font-size:17px;line-height:1.9;color:rgba(255,255,255,.86);max-width:620px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-visual{
  position:relative;border-radius:var(--r-lg);overflow:hidden;aspect-ratio:16/10;
  background-image:var(--grad-brand);
  box-shadow:0 34px 60px -30px rgba(0,0,0,.75);
  border:1px solid rgba(255,255,255,.18);
}
.hero-visual img{width:100%;height:100%;object-fit:cover}
.float-chip{
  position:absolute;background:#fff;border-radius:14px;padding:10px 14px;
  box-shadow:0 18px 34px -18px rgba(0,0,0,.6);
  display:flex;flex-direction:column;line-height:1.2;
}
.float-chip strong{font-size:18px;font-weight:700;background-image:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent}
.float-chip span{font-size:11px;color:var(--weak);margin-top:3px;letter-spacing:.02em}
.float-chip.c1{left:-14px;bottom:26px}
.float-chip.c2{right:-10px;top:22px}

/* ============ 板块通用 ============ */
.section{padding:72px 0}
@media (max-width:575px){.section{padding:48px 0}}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;flex-wrap:wrap}
.section-head h2{font-size:clamp(1.5rem,2.6vw,2.05rem);font-weight:700}
.section-head .sub{color:var(--muted);font-size:15px;margin-top:10px;max-width:640px}
.eyebrow{display:inline-block;font-size:13px;font-weight:700;color:var(--brand);letter-spacing:.02em;margin-bottom:10px}

/* ============ 数据徽章 ============ */
.stats-strip{display:grid;grid-template-columns:repeat(4,1fr);gap:18px}
.stat-pill{
  background:#fff;border:1px solid var(--line);border-radius:999px;
  padding:16px 22px;display:flex;align-items:center;gap:14px;box-shadow:var(--sh-1);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.stat-pill:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(108,59,255,.3)}
.stat-pill .val{
  font-size:clamp(1.4rem,2vw,1.75rem);font-weight:700;line-height:1;
  background-image:var(--grad-brand);-webkit-background-clip:text;background-clip:text;color:transparent;
  font-variant-numeric:tabular-nums;white-space:nowrap;
}
.stat-pill .label{font-size:12px;color:var(--weak);line-height:1.5}

/* ============ 对比表 ============ */
.table-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden}
.table-x{width:100%;border-collapse:collapse;margin:0}
.table-x thead th{
  background:var(--ink);color:#fff;font-size:13.5px;font-weight:700;
  padding:16px 18px;text-align:left;border:0;white-space:nowrap;letter-spacing:.02em;
}
.table-x tbody td{
  padding:16px 18px;border:0;border-top:1px solid var(--line);
  font-size:14.5px;color:var(--muted);vertical-align:top;line-height:1.7;
}
.table-x tbody tr:nth-child(even){background:var(--lilac)}
.table-x tbody td:first-child{font-weight:700;color:var(--ink);font-size:15px}
.table-x tbody tr{transition:background .2s ease}
.table-x tbody tr:hover{background:#EFEAFF}
.table-note{font-size:13px;color:var(--weak);padding:14px 18px;border-top:1px solid var(--line);background:#FBFAFF}
.table-side{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:26px;box-shadow:var(--sh-1);height:100%}
.table-side h3{font-size:1.18rem;font-weight:700;margin-bottom:14px}
.table-side .media-16x10{margin-bottom:18px}
.tick-list li{display:flex;gap:10px;font-size:14.5px;color:var(--muted);padding:7px 0}
.tick-list i{color:var(--mint);margin-top:5px;font-size:13px}

.media-16x10{position:relative;aspect-ratio:16/10;border-radius:16px;overflow:hidden;background-image:var(--grad-brand)}
.media-16x10 img{width:100%;height:100%;object-fit:cover}

/* ============ 流程 ============ */
.flow{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;position:relative}
.flow::before{
  content:"";position:absolute;top:30px;left:8%;right:8%;height:2px;
  background-image:repeating-linear-gradient(90deg,rgba(108,59,255,.4) 0 8px,transparent 8px 16px);
}
.flow-step{position:relative;text-align:left}
.flow-num{
  width:60px;height:60px;border-radius:50%;display:grid;place-items:center;
  background:#fff;border:2px solid rgba(108,59,255,.35);
  font-size:20px;font-weight:700;color:var(--brand);position:relative;z-index:2;
  font-variant-numeric:tabular-nums;box-shadow:0 12px 24px -16px rgba(108,59,255,.8);
}
.flow-step h3{font-size:1.12rem;font-weight:700;margin:18px 0 8px}
.flow-step p{font-size:14.5px;color:var(--muted)}

/* ============ 场景卡 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px}
.card-x{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  padding:24px;box-shadow:var(--sh-1);height:100%;
  transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
  display:flex;flex-direction:column;gap:12px;
}
.card-x:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(108,59,255,.3)}
.card-x h3{font-size:1.15rem;font-weight:700}
.card-x p{font-size:14.5px;color:var(--muted)}
.tag-pill{
  display:inline-flex;align-items:center;gap:6px;background:var(--lilac);color:var(--brand);
  border-radius:999px;padding:5px 13px;font-size:12.5px;font-weight:600;letter-spacing:.02em;
}
.tag-pill.mint{background:rgba(18,211,164,.12);color:#0B8F70}

/* ============ FAQ ============ */
.faq-acc .accordion-item{
  border:1px solid var(--line);border-radius:var(--r-md);background:#fff;
  margin-bottom:12px;overflow:hidden;box-shadow:var(--sh-1);
}
.faq-acc .accordion-button{
  font-weight:700;font-size:16px;color:var(--ink);background:#fff;
  padding:20px 22px;box-shadow:none;border:0;transition:background .22s ease,color .22s ease;
}
.faq-acc .accordion-button:not(.collapsed){color:var(--brand);background:var(--lilac)}
.faq-acc .accordion-button:focus{box-shadow:none;border:0;outline:3px solid rgba(108,59,255,.2);outline-offset:-3px}
.faq-acc .accordion-button::after{
  content:"+";display:grid;place-items:center;background-image:none;
  width:32px;height:32px;flex:0 0 32px;border-radius:50%;margin-left:16px;
  background:var(--lilac);color:var(--brand);font-size:18px;font-weight:700;
  line-height:1;transform:none;
}
.faq-acc .accordion-button:not(.collapsed)::after{content:"−";background:var(--brand);color:#fff;transform:none}
.faq-acc .accordion-body{padding:6px 22px 22px;font-size:15px;line-height:1.85;color:var(--muted)}
.faq-acc .accordion-item:has(.accordion-button:not(.collapsed)){border-color:rgba(108,59,255,.35)}

/* ============ 内链窄卡 ============ */
.mini-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px}
.mini-card{
  display:flex;align-items:center;gap:14px;background:#fff;border:1px solid var(--line);
  border-radius:var(--r-md);padding:18px 20px;box-shadow:var(--sh-1);
  transition:transform .22s ease,border-color .22s ease,box-shadow .22s ease;
}
.mini-card:hover{transform:translateY(-4px);border-color:rgba(108,59,255,.3);box-shadow:var(--sh-2)}
.mini-card .ico{
  width:44px;height:44px;border-radius:14px;display:grid;place-items:center;flex:0 0 44px;
  background:var(--lilac);color:var(--brand);font-size:18px;
}
.mini-card strong{display:block;font-size:15px;font-weight:700}
.mini-card span{display:block;font-size:12.5px;color:var(--weak);margin-top:2px}

/* ============ CTA ============ */
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:linear-gradient(115deg,#1B1240 0%,#2C1A63 55%,#43208A 100%);
  color:#fff;padding:44px 44px;display:flex;align-items:center;justify-content:space-between;gap:32px;
}
.cta-card::after{
  content:"";position:absolute;right:-80px;top:-80px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,211,164,.45),transparent 68%);
}
.cta-card .cta-text{position:relative;z-index:2;max-width:620px}
.cta-card h2{font-size:clamp(1.35rem,2.3vw,1.85rem);font-weight:700}
.cta-card p{color:rgba(255,255,255,.82);font-size:15px;margin-top:12px}
.cta-actions{position:relative;z-index:2;display:flex;gap:14px;flex-wrap:wrap}
.cta-chip{
  position:relative;z-index:2;margin-top:20px;display:inline-flex;align-items:center;gap:10px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.25);
  border-radius:999px;padding:8px 16px;font-size:13px;color:#fff;
}
.cta-chip b{font-variant-numeric:tabular-nums;color:#8CE9D0}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#B9B3D6;margin-top:0;padding:64px 0 0}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px}
.site-footer .logo-text strong{color:#fff}
.site-footer .logo-text em{color:#B9B3D6}
.footer-brand p{font-size:14px;line-height:1.85;margin-top:16px;color:#B9B3D6}
.footer-col h3{font-size:15px;font-weight:700;color:#fff;margin-bottom:16px}
.footer-col ul li{margin-bottom:10px}
.footer-col ul li a{font-size:14px;color:#B9B3D6;transition:color .2s ease}
.footer-col ul li a:hover{color:var(--mint)}
.footer-contact li{display:flex;gap:10px;font-size:14px;color:#B9B3D6;margin-bottom:12px;align-items:flex-start}
.footer-contact i{color:var(--mint);margin-top:5px;font-size:13px}
.footer-bottom{
  margin-top:44px;border-top:1px solid rgba(255,255,255,.1);
  padding:22px 0;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:#8C87A6;
}

/* ============ 抽屉导航 ============ */
.nav-drawer{background:var(--ink);color:#fff;width:82%;max-width:320px}
.nav-drawer .offcanvas-header{border-bottom:1px solid rgba(255,255,255,.1);padding:16px 18px}
.nav-drawer .offcanvas-body{padding:16px 14px 24px;display:flex;flex-direction:column}
.nav-drawer .side-nav{padding:0 0 18px}
.nav-drawer .btn-close{filter:invert(1) grayscale(1) brightness(2);opacity:.8}
.offcanvas-backdrop.show{background:rgba(27,18,64,.55);opacity:1}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:32px}
  .footer-col:last-child{grid-column:span 3}
}
@media (max-width:991px){
  .side-shell{display:none}
  .app-main{margin-left:0}
  .mobile-topbar{
    display:flex;align-items:center;justify-content:space-between;
    height:60px;padding:0 18px;background:#fff;border-bottom:1px solid var(--line);
    position:sticky;top:0;z-index:1050;
  }
  .mobile-topbar .logo-text strong{color:var(--ink)}
  .mobile-topbar .logo-text em{color:var(--weak)}
  .hamburger{
    width:44px;height:44px;border-radius:12px;border:1px solid var(--line);background:#fff;
    color:var(--brand);font-size:18px;display:grid;place-items:center;cursor:pointer;
    transition:background .2s ease;
  }
  .hamburger:hover{background:var(--lilac)}
  .topbar{top:0}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .stats-strip{grid-template-columns:repeat(2,1fr)}
  .flow{grid-template-columns:repeat(2,1fr);gap:30px}
  .flow::before{display:none}
  .scene-grid{grid-template-columns:1fr 1fr}
  .mini-grid{grid-template-columns:1fr}
  .cta-card{flex-direction:column;align-items:flex-start;padding:34px 26px}
  .float-chip.c1{left:10px;bottom:14px}
  .float-chip.c2{right:10px;top:14px}
}
@media (max-width:767px){
  .table-card{background:transparent;border:0;box-shadow:none;overflow:visible}
  .table-x thead{display:none}
  .table-x,.table-x tbody,.table-x tr,.table-x td{display:block;width:100%}
  .table-x tbody tr{
    background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
    margin-bottom:14px;padding:8px 6px;box-shadow:var(--sh-1);
  }
  .table-x tbody tr:nth-child(even){background:#fff}
  .table-x tbody tr:hover{background:#fff}
  .table-x tbody td{
    border-top:0;padding:8px 14px;display:flex;gap:14px;justify-content:space-between;align-items:flex-start;
  }
  .table-x tbody td::before{
    content:attr(data-label);font-weight:700;color:var(--ink);font-size:13px;
    flex:0 0 84px;
  }
  .table-x tbody td:first-child{
    background:var(--lilac);border-radius:14px;margin:4px 8px 10px;padding:12px 14px;
    font-size:1rem;
  }
  .table-x tbody td:first-child::before{display:none}
  .table-note{padding:2px 14px 12px;border-top:0;background:transparent}
  .mini-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .footer-col:last-child{grid-column:span 2}
}
@media (max-width:575px){
  .container-x{padding:0 16px}
  .stats-strip{grid-template-columns:1fr}
  .flow{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .footer-col:last-child{grid-column:span 1}
  .page-hero{padding:40px 0 48px;border-radius:0 0 20px 20px}
  .hero-actions{flex-direction:column;align-items:stretch}
  .hero-actions .btn-brand,.hero-actions .btn-ghost{width:100%}
  .section{padding:48px 0}
  .topbar-tag{display:none}
  .footer-bottom{flex-direction:column;gap:8px}
}

/* roulang page: category5 */
:root{
  --brand:#6C3BFF;
  --brand-2:#9A4BFF;
  --mint:#12D3A4;
  --orange:#FF7A45;
  --ink:#1B1240;
  --bg:#F7F6FC;
  --card:#FFFFFF;
  --line:#E9E6F5;
  --text:#1B1240;
  --text-2:#5A5478;
  --text-3:#8C87A6;
  --grad-brand:linear-gradient(115deg,#6C3BFF 0%,#9A4BFF 52%,#12D3A4 100%);
  --radius-xl:28px;
  --radius-lg:24px;
  --radius-md:18px;
  --radius-sm:12px;
  --shadow-sm:0 10px 30px -18px rgba(27,18,64,.25);
  --shadow-md:0 22px 44px -20px rgba(108,59,255,.35);
  --sidebar-w:240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"HarmonyOS Sans SC","PingFang SC","Microsoft YaHei",system-ui,-apple-system,sans-serif;
  font-size:16px;
  line-height:1.85;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
h1,h2,h3,h4{margin:0;font-weight:700;line-height:1.32;color:var(--text)}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .22s}
button{font-family:inherit}
.num{font-variant-numeric:tabular-nums}
::selection{background:rgba(108,59,255,.18)}

.container-x{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}
@media (min-width:992px){.container-x{padding-left:32px;padding-right:32px}}

/* ============ 侧边导航 ============ */
.app-sidebar{
  position:fixed;top:0;left:0;bottom:0;width:var(--sidebar-w);
  background:var(--ink);
  display:flex;flex-direction:column;
  padding:0 16px 22px;
  z-index:1040;
  overflow-y:auto;
}
.sidebar-logo{height:88px;display:flex;align-items:center;padding:0 8px;flex:0 0 auto}
.logo{display:flex;align-items:center;gap:12px}
.logo-mark{
  width:42px;height:42px;border-radius:13px;
  background:var(--grad-brand);
  display:grid;place-items:center;
  color:#fff;font-size:18px;flex:0 0 auto;
  box-shadow:0 10px 22px -10px rgba(108,59,255,.95);
}
.logo-text{display:flex;flex-direction:column;line-height:1.16}
.logo-text strong{font-size:17px;font-weight:800;letter-spacing:.01em;color:#fff}
.logo-text em{font-style:normal;font-size:11px;letter-spacing:.18em;color:#8C87A6}
.side-nav{display:flex;flex-direction:column;gap:6px;margin-top:6px;flex:1 1 auto}
.nav-item{
  position:relative;display:flex;align-items:center;gap:12px;
  padding:12px 14px;border-radius:14px;
  color:#B9B3D6;font-size:15px;font-weight:500;
  min-height:44px;
  transition:background .22s,color .22s,transform .22s;
}
.nav-item i{width:20px;text-align:center;font-size:15px;opacity:.92}
.nav-item:hover{background:rgba(255,255,255,.07);color:#fff;transform:translateX(2px)}
.nav-item.active{background:rgba(108,59,255,.24);color:#fff;font-weight:600}
.nav-item.active::before{
  content:"";position:absolute;left:0;top:50%;transform:translateY(-50%);
  width:3px;height:22px;border-radius:0 3px 3px 0;background:var(--grad-brand);
}
.sidebar-cta{margin-top:18px;padding:0 4px}
.btn-block{width:100%}

/* ============ 移动端顶栏与抽屉 ============ */
.mobile-bar{
  display:none;position:sticky;top:0;z-index:1030;
  height:60px;padding:0 16px;align-items:center;justify-content:space-between;
  background:rgba(27,18,64,.97);
  backdrop-filter:blur(10px);
}
.mobile-bar .logo-mark{width:36px;height:36px;border-radius:11px;font-size:15px}
.mobile-bar .logo-text strong{font-size:16px}
.burger{
  width:44px;height:44px;display:grid;place-items:center;
  background:transparent;border:1px solid rgba(255,255,255,.18);
  border-radius:12px;color:#fff;font-size:17px;transition:background .22s,border-color .22s;
}
.burger:hover{background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.32)}
.offcanvas.nav-drawer{background:var(--ink);color:#B9B3D6;width:82%;max-width:320px;border:0}
.drawer-inner{display:flex;flex-direction:column;height:100%;padding:0 16px 24px}
.drawer-head{display:flex;align-items:center;justify-content:space-between;height:72px;flex:0 0 auto;padding:0 4px}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid rgba(255,255,255,.18);background:transparent;color:#fff;display:grid;place-items:center;font-size:16px}
.drawer-close:hover{background:rgba(255,255,255,.1)}
.nav-drawer .side-nav{margin-top:4px}

/* ============ 主内容 ============ */
.app-main{margin-left:var(--sidebar-w);min-height:100vh;display:flex;flex-direction:column}
.page-bar{
  height:56px;display:flex;align-items:center;
  background:#fff;border-bottom:1px solid var(--line);
  padding:0 20px;font-size:13px;
}
@media (min-width:992px){.page-bar{padding:0 32px}}
.breadcrumb-x{display:flex;align-items:center;gap:8px;flex-wrap:wrap;margin:0;padding:0;list-style:none}
.breadcrumb-x li{display:flex;align-items:center;gap:8px}
.breadcrumb-x a{color:var(--text-2)}
.breadcrumb-x a:hover{color:var(--brand)}
.breadcrumb-x .sep{color:#CBC7DE}
.breadcrumb-x .current{color:var(--text-3)}

/* ============ Hero ============ */
.cat-hero{
  position:relative;overflow:hidden;
  background:var(--ink);color:#fff;
  border-radius:0 0 28px 28px;
  padding:52px 0 60px;
}
.cat-hero::before{
  content:"";position:absolute;width:560px;height:560px;right:-180px;top:-260px;border-radius:50%;
  background:radial-gradient(circle,rgba(108,59,255,.62),transparent 68%);
}
.cat-hero::after{
  content:"";position:absolute;width:440px;height:440px;left:-160px;bottom:-260px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,211,164,.4),transparent 70%);
}
.dot-grid{
  position:absolute;inset:0;z-index:1;
  background-image:radial-gradient(rgba(255,255,255,.13) 1px,transparent 1px);
  background-size:22px 22px;opacity:.5;
}
.cat-hero .container-x{position:relative;z-index:2}
.hero-grid{display:grid;grid-template-columns:1.08fr .92fr;gap:48px;align-items:center}
.pill-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;
  background:rgba(255,255,255,.1);
  border:1px solid rgba(255,255,255,.2);
  font-size:12px;font-weight:600;letter-spacing:.02em;color:#E7E2FF;
}
.pill-tag i{color:var(--mint)}
.cat-hero h1{
  margin:20px 0 16px;
  font-size:clamp(2.1rem,4.4vw,3.3rem);
  font-weight:800;letter-spacing:-.02em;line-height:1.2;color:#fff;
}
.cat-hero h1 span{
  background:var(--grad-brand);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.hero-sub{font-size:16.5px;line-height:1.9;color:#C6C0E2;max-width:36em}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-figure{
  position:relative;margin:0;border-radius:20px;overflow:hidden;
  aspect-ratio:16/10;
  background:linear-gradient(135deg,#2A1B63,#4B2AA8);
  box-shadow:0 34px 64px -32px rgba(0,0,0,.85);
}
.hero-figure img{width:100%;height:100%;object-fit:cover}
.float-badge{
  position:absolute;left:16px;bottom:16px;
  display:inline-flex;align-items:center;gap:8px;
  padding:9px 16px;border-radius:999px;
  background:rgba(27,18,64,.82);
  border:1px solid rgba(255,255,255,.2);
  backdrop-filter:blur(8px);
  font-size:12.5px;font-weight:600;color:#fff;
}
.float-badge i{color:var(--mint)}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,minmax(0,1fr));
  gap:16px;margin-top:44px;
}
.stat-chip{
  background:rgba(255,255,255,.07);
  border:1px solid rgba(255,255,255,.18);
  border-radius:16px;padding:16px 18px;
}
.stat-chip strong{
  display:block;font-size:1.6rem;font-weight:800;letter-spacing:-.01em;
  background:var(--grad-brand);
  -webkit-background-clip:text;background-clip:text;
  -webkit-text-fill-color:transparent;color:transparent;
}
.stat-chip span{display:block;font-size:11.5px;letter-spacing:.04em;color:#A9A3CC;margin-top:2px}

/* ============ 通用板块 ============ */
.section{padding:80px 0}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:40px;flex-wrap:wrap}
.eyebrow{
  display:inline-block;font-size:12px;font-weight:700;letter-spacing:.14em;
  color:var(--brand);text-transform:uppercase;margin-bottom:10px;
}
.sec-head h2{font-size:clamp(1.5rem,2.6vw,2.1rem);font-weight:700;letter-spacing:-.01em}
.sec-desc{font-size:15px;color:var(--text-2);max-width:34em;line-height:1.85}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 26px;border-radius:999px;
  font-size:15px;font-weight:600;line-height:1;letter-spacing:.01em;
  border:1px solid transparent;cursor:pointer;
  min-height:44px;text-decoration:none;
  transition:transform .22s,box-shadow .22s,background .22s,color .22s,border-color .22s,filter .22s;
}
.btn-brand{background:var(--grad-brand);color:#fff;box-shadow:0 14px 28px -14px rgba(108,59,255,.85)}
.btn-brand:hover{transform:translateY(-2px);filter:brightness(1.04);box-shadow:0 20px 38px -16px rgba(108,59,255,.95);color:#fff}
.btn-brand:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(108,59,255,.28),0 14px 28px -14px rgba(108,59,255,.85)}
.btn-ghost-light{background:rgba(255,255,255,.08);color:#fff;border-color:rgba(255,255,255,.3)}
.btn-ghost-light:hover{background:rgba(255,255,255,.18);color:#fff;transform:translateY(-2px)}
.btn-ghost{background:#fff;color:var(--brand);border-color:var(--line)}
.btn-ghost:hover{background:#F2EEFF;color:var(--brand);border-color:rgba(108,59,255,.38);transform:translateY(-2px)}
.btn-accent{background:var(--orange);color:#fff;box-shadow:0 14px 28px -14px rgba(255,122,69,.9)}
.btn-accent:hover{transform:translateY(-2px);filter:brightness(1.04);color:#fff}
.btn:focus-visible{outline:none;box-shadow:0 0 0 3px rgba(108,59,255,.28)}

/* ============ 三步流程 ============ */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.step{
  position:relative;background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-lg);padding:30px 26px;
  box-shadow:var(--shadow-sm);
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.step:hover{transform:translateY(-4px);border-color:rgba(108,59,255,.3);box-shadow:var(--shadow-md)}
.step:not(:last-child)::after{
  content:"";position:absolute;right:-24px;top:58px;width:24px;
  border-top:2px dashed #D6D0EF;
}
.step-num{
  display:inline-grid;place-items:center;width:56px;height:56px;
  border-radius:50%;background:rgba(108,59,255,.1);
  color:var(--brand);font-size:19px;font-weight:800;
  margin-bottom:18px;
}
.step h3{font-size:1.18rem;margin-bottom:10px}
.step p{font-size:14.5px;color:var(--text-2);line-height:1.85}

/* ============ 图文分栏 ============ */
.split{display:grid;grid-template-columns:1fr 1.05fr;gap:56px;align-items:center}
.split-media{
  margin:0;border-radius:20px;overflow:hidden;aspect-ratio:16/10;
  background:linear-gradient(135deg,#2A1B63,#4B2AA8);
  box-shadow:0 28px 56px -30px rgba(27,18,64,.7);
}
.split-media img{width:100%;height:100%;object-fit:cover}
.split-body h2{font-size:clamp(1.5rem,2.6vw,2.1rem);margin-bottom:14px}
.split-body > p{color:var(--text-2);font-size:15.5px;margin-bottom:26px}
.check-list{display:flex;flex-direction:column;gap:16px}
.check-list li{display:flex;gap:14px;align-items:flex-start;background:#fff;border:1px solid var(--line);border-radius:var(--radius-md);padding:18px 20px;transition:transform .22s,box-shadow .22s,border-color .22s}
.check-list li:hover{transform:translateY(-3px);border-color:rgba(108,59,255,.28);box-shadow:var(--shadow-sm)}
.check-list i{color:var(--mint);font-size:17px;margin-top:5px}
.check-list strong{display:block;font-size:15.5px;font-weight:700}
.check-list span{display:block;font-size:14px;color:var(--text-2);line-height:1.8}

/* ============ FAQ ============ */
.faq-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:32px;align-items:start}
.faq-accordion .accordion-item{
  background:#fff;border:1px solid var(--line);
  border-radius:var(--radius-md);margin-bottom:12px;overflow:hidden;
  box-shadow:var(--shadow-sm);
  transition:box-shadow .25s,border-color .25s;
}
.faq-accordion .accordion-item:hover{border-color:rgba(108,59,255,.28);box-shadow:0 18px 36px -22px rgba(108,59,255,.4)}
.faq-accordion .accordion-button{
  display:flex;align-items:center;gap:16px;
  width:100%;padding:20px 22px;
  font-size:16px;font-weight:700;color:var(--ink);
  background:#fff;border:0;box-shadow:none;
  text-align:left;
}
.faq-accordion .accordion-button:not(.collapsed){color:var(--brand);background:#FBF9FF;box-shadow:none}
.faq-accordion .accordion-button:focus{box-shadow:0 0 0 3px rgba(108,59,255,.16);z-index:3}
.faq-accordion .accordion-button::after{
  content:"+";
  background-image:none;
  width:32px;height:32px;flex:0 0 32px;
  display:grid;place-items:center;
  border-radius:50%;
  background-color:rgba(108,59,255,.1);
  color:var(--brand);
  font-size:19px;font-weight:600;line-height:1;
  transform:none;
  transition:background .25s,color .25s,transform .3s;
}
.faq-accordion .accordion-button:not(.collapsed)::after{
  content:"−";
  background-color:var(--brand);
  color:#fff;
  transform:rotate(180deg);
}
.faq-accordion .accordion-body{
  padding:4px 22px 24px;
  font-size:15px;line-height:1.88;color:var(--text-2);
}
.faq-accordion .accordion-body strong{color:var(--ink)}
.faq-aside{
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px 24px;box-shadow:var(--shadow-sm);
  position:sticky;top:24px;
}
.faq-aside h3{font-size:1.1rem;margin-bottom:10px}
.faq-aside p{font-size:14px;color:var(--text-2);line-height:1.85;margin-bottom:18px}
.faq-aside ul{margin-bottom:22px}
.faq-aside li{display:flex;gap:10px;font-size:13.5px;color:var(--text-2);padding:8px 0;border-bottom:1px dashed var(--line)}
.faq-aside li:last-child{border-bottom:0}
.faq-aside li i{color:var(--brand);margin-top:6px;font-size:12px}

/* ============ 内链卡组 ============ */
.link-cards{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.link-card{
  display:flex;flex-direction:column;
  background:#fff;border:1px solid var(--line);border-radius:var(--radius-lg);
  padding:26px 24px;box-shadow:var(--shadow-sm);
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.link-card:hover{transform:translateY(-4px);border-color:rgba(108,59,255,.32);box-shadow:var(--shadow-md)}
.link-icon{
  width:48px;height:48px;border-radius:14px;display:grid;place-items:center;
  background:rgba(108,59,255,.1);color:var(--brand);font-size:19px;margin-bottom:18px;
  transition:background .25s,color .25s;
}
.link-card:hover .link-icon{background:var(--grad-brand);color:#fff}
.link-card h3{font-size:1.12rem;margin-bottom:10px}
.link-card p{font-size:14px;color:var(--text-2);line-height:1.85;flex:1 1 auto}
.link-more{
  display:inline-flex;align-items:center;gap:8px;margin-top:20px;
  font-size:14px;font-weight:600;color:var(--brand);
}
.link-more i{transition:transform .22s}
.link-card:hover .link-more i{transform:translateX(4px)}

/* ============ CTA ============ */
.section-cta{padding-top:0}
.cta-card{
  position:relative;overflow:hidden;
  background:linear-gradient(115deg,#1B1240 0%,#3A2091 55%,#5B2FBF 100%);
  border-radius:var(--radius-xl);
  padding:52px 48px;
  display:flex;align-items:center;justify-content:space-between;gap:32px;flex-wrap:wrap;
  color:#fff;
}
.cta-card::before{
  content:"";position:absolute;width:420px;height:420px;right:-140px;top:-200px;border-radius:50%;
  background:radial-gradient(circle,rgba(18,211,164,.35),transparent 68%);
}
.cta-card > *{position:relative;z-index:2}
.cta-card h2{color:#fff;font-size:clamp(1.4rem,2.4vw,1.95rem);margin-bottom:10px}
.cta-card p{color:#C6C0E2;font-size:15px;max-width:38em}
.cta-actions{display:flex;gap:14px;flex-wrap:wrap}
.cta-badge{
  position:absolute;right:48px;bottom:20px;z-index:3;
  padding:6px 14px;border-radius:999px;
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.24);
  font-size:12px;font-weight:600;color:#E7E2FF;
}

/* ============ 页脚 ============ */
.site-footer{background:var(--ink);color:#B9B3D6;padding:64px 0 0;margin-top:auto}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1.2fr;gap:40px;padding-bottom:48px}
.footer-brand .logo{margin-bottom:18px}
.footer-brand p{font-size:14px;line-height:1.9;color:#9C96BC;max-width:340px}
.footer-col h3{font-size:14px;color:#fff;font-weight:700;letter-spacing:.02em;margin-bottom:18px}
.footer-col ul li{margin-bottom:10px}
.footer-col a{font-size:14px;color:#B9B3D6}
.footer-col a:hover{color:var(--mint)}
.footer-contact li{display:flex;gap:10px;font-size:14px;align-items:flex-start;margin-bottom:12px}
.footer-contact i{color:var(--mint);margin-top:7px;font-size:13px}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.1);
  padding:20px 0 24px;
  display:flex;justify-content:space-between;gap:12px;flex-wrap:wrap;
  font-size:13px;color:#8C87A6;
}

/* ============ 响应式 ============ */
@media (max-width:1199.98px){
  .hero-grid{gap:36px}
  .faq-layout{grid-template-columns:minmax(0,1fr) 280px;gap:26px}
}
@media (max-width:991.98px){
  .app-sidebar{display:none}
  .app-main{margin-left:0}
  .mobile-bar{display:flex}
  .cat-hero{padding:40px 0 48px;border-radius:0 0 22px 22px}
  .hero-grid{grid-template-columns:1fr;gap:32px}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));margin-top:34px}
  .section{padding:56px 0}
  .steps{grid-template-columns:1fr}
  .step:not(:last-child)::after{display:none}
  .split{grid-template-columns:1fr;gap:30px}
  .faq-layout{grid-template-columns:1fr}
  .faq-aside{position:static}
  .link-cards{grid-template-columns:1fr}
  .cta-card{padding:38px 28px}
  .cta-badge{position:static;display:inline-flex;margin-top:6px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:32px}
}
@media (max-width:575.98px){
  .hero-stats{grid-template-columns:1fr 1fr;gap:12px}
  .stat-chip{padding:14px}
  .stat-chip strong{font-size:1.35rem}
  .hero-actions .btn{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr}
  .step{padding:24px 20px}
  .faq-accordion .accordion-button{font-size:15px;padding:18px}
  .faq-accordion .accordion-body{padding:2px 18px 20px}
}