/* roulang page: index */
:root{
  --brand:#5B3FF3;
  --brand-2:#7B5CFF;
  --mint:#12C6A7;
  --coral:#FF7A45;
  --bg:#F4F3FA;
  --card:#FFFFFF;
  --dark:#17123A;
  --ink:#1B1633;
  --ink-2:#5C5679;
  --ink-3:#8D88A3;
  --line:#E5E2F2;
  --line-dark:rgba(255,255,255,.12);
  --grad:linear-gradient(118deg,#5B3FF3 0%,#7B5CFF 42%,#12C6A7 100%);
  --r-lg:22px;
  --r-md:16px;
  --r-sm:12px;
  --r-pill:999px;
  --sh:0 10px 30px rgba(23,18,58,.08);
  --sh-h:0 16px 40px rgba(91,63,243,.16);
  --sp-8:8px;
  --sp-16:16px;
  --sp-24:24px;
  --sp-32:32px;
  --sp-48:48px;
  --sp-64:64px;
  --sp-96:96px;
  --font:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
}

*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  font-weight:400;
  -webkit-font-smoothing:antialiased;
  overflow-x:hidden;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none;transition:color .18s ease,background .18s ease,border-color .18s ease,box-shadow .18s ease,transform .18s ease}
button{font-family:inherit;cursor:pointer;border:none;background:none}
ul{margin:0;padding:0;list-style:none}
p{margin:0}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.26;letter-spacing:-.01em;color:var(--ink)}
h1{font-size:clamp(32px,4.4vw,52px);font-weight:800;line-height:1.22}
h2{font-size:clamp(26px,3.2vw,36px)}
h3{font-size:clamp(20px,2vw,22px)}
h4{font-size:15px}
input,select,textarea{font-family:inherit}

.shell{width:100%;max-width:1200px;margin:0 auto;padding-left:20px;padding-right:20px}

a:focus-visible,button:focus-visible,input:focus-visible{
  outline:none;
  box-shadow:0 0 0 2px #fff,0 0 0 4px var(--brand);
  border-radius:var(--r-sm);
}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-weight:700;font-size:16px;line-height:1;
  padding:16px 30px;border-radius:var(--r-pill);
  border:1px solid transparent;
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease,background .18s ease,border-color .18s ease;
  white-space:nowrap;
}
.btn-grad{background-image:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(91,63,243,.28)}
.btn-grad:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 16px 34px rgba(91,63,243,.34);color:#fff}
.btn-grad:active{transform:translateY(1px);filter:brightness(.96)}
.btn-outline{background:#fff;color:var(--brand);border-color:#D8D0FA}
.btn-outline:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-1px);box-shadow:var(--sh-h)}
.btn-outline:active{transform:translateY(1px)}
.btn-sm{padding:11px 20px;font-size:14px}
.btn-lg{padding:17px 34px;font-size:17px}
.btn[disabled],.btn.is-disabled{opacity:.4;pointer-events:none}
.w-100{width:100%}

/* ---------- 导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.92);
  border-bottom:1px solid var(--line);
  transition:box-shadow .22s ease,background .22s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(23,18,58,.09)}
.nav-inner{
  display:flex;align-items:center;gap:var(--sp-24);
  min-height:72px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:12px;
  background-image:var(--grad);
  color:#fff;display:inline-flex;align-items:center;justify-content:center;
  font-size:16px;box-shadow:0 6px 16px rgba(91,63,243,.28);
}
.brand-name{font-size:19px;font-weight:800;letter-spacing:-.01em;color:var(--ink);white-space:nowrap}
.nav-links{display:flex;align-items:center;gap:6px;flex:1;justify-content:center}
.nav-link{
  position:relative;font-size:15px;font-weight:600;color:var(--ink-2);
  padding:9px 14px;border-radius:var(--r-pill);white-space:nowrap;
}
.nav-link:hover{color:var(--brand);background:#F1EEFF}
.nav-link.is-active{color:#fff;background-image:var(--grad);box-shadow:0 8px 18px rgba(91,63,243,.24)}
.nav-tools{display:flex;align-items:center;gap:14px;flex-shrink:0}
.nav-search{
  display:inline-flex;align-items:center;gap:8px;
  background:#F4F3FA;border:1px solid var(--line);
  border-radius:var(--r-pill);padding:9px 16px;
  transition:border-color .18s ease,box-shadow .18s ease,background .18s ease;
}
.nav-search i{color:var(--ink-3);font-size:14px}
.nav-search input{
  border:none;background:transparent;outline:none;
  font-size:14px;color:var(--ink);width:168px;
}
.nav-search input::placeholder{color:var(--ink-3)}
.nav-search:focus-within{border-color:var(--brand);background:#fff;box-shadow:0 0 0 4px rgba(91,63,243,.14)}
.link-login{font-size:15px;font-weight:600;color:var(--ink-2);padding:8px 4px}
.link-login:hover{color:var(--brand)}
.hamburger{display:none;width:42px;height:42px;border-radius:12px;border:1px solid var(--line);background:#fff;align-items:center;justify-content:center;flex-direction:column;gap:5px}
.hamburger span{display:block;width:18px;height:2px;border-radius:2px;background:var(--ink);transition:transform .2s ease,opacity .2s ease}

.drawer-mask{
  position:fixed;inset:0;background:rgba(23,18,58,.45);
  opacity:0;visibility:hidden;transition:opacity .24s ease,visibility .24s ease;z-index:90;
}
.drawer-mask.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(340px,86vw);
  background:#fff;z-index:95;padding:24px 22px 32px;
  transform:translateX(102%);transition:transform .28s cubic-bezier(.3,.8,.4,1);
  overflow-y:auto;box-shadow:-16px 0 40px rgba(23,18,58,.16);
}
.drawer.is-open{transform:translateX(0)}
.drawer-close{position:absolute;top:16px;right:16px;width:38px;height:38px;border-radius:12px;background:#F4F3FA;color:var(--ink-2);font-size:16px}
.drawer-close:hover{background:#EDEAFA;color:var(--brand)}
.drawer-head{display:flex;align-items:center;gap:10px;margin-bottom:24px}
.drawer-links{display:flex;flex-direction:column;gap:6px;margin-bottom:22px}
.drawer-links a{padding:13px 14px;border-radius:var(--r-sm);font-size:15px;font-weight:600;color:var(--ink-2);background:#F7F6FC}
.drawer-links a:hover{color:var(--brand);background:#F1EEFF}
.drawer-links a.is-active{background-image:var(--grad);color:#fff}
.drawer-search{width:100%;margin-bottom:18px;display:flex}
.drawer-search input{width:100%}

/* ---------- 首屏 ---------- */
.hero{position:relative;overflow:hidden;padding:72px 0 96px;background:#fff}
.hero::before{
  content:"";position:absolute;inset:0;
  background-image:radial-gradient(900px 420px at 12% 8%,rgba(91,63,243,.14),transparent 62%),radial-gradient(720px 380px at 92% 12%,rgba(18,198,167,.16),transparent 60%);
  pointer-events:none;
}
.hero::after{
  content:"";position:absolute;left:-60px;bottom:-160px;width:420px;height:420px;border-radius:50%;
  background-image:var(--grad);opacity:.10;filter:blur(6px);pointer-events:none;
}
.hero-grid{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.05fr .95fr;gap:var(--sp-64);align-items:center;
}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;color:var(--brand);
  background:#F1EEFF;border:1px solid #DED6FF;
  padding:7px 15px;border-radius:var(--r-pill);margin-bottom:20px;
}
.hero h1{margin-bottom:18px}
.hero h1 .hl{
  background-image:var(--grad);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.hero-sub{font-size:17px;color:var(--ink-2);max-width:540px;margin-bottom:30px}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:34px}
.hero-points{display:flex;flex-wrap:wrap;gap:10px 24px}
.hero-points li{display:inline-flex;align-items:center;gap:8px;font-size:14px;color:var(--ink-2);font-weight:500}
.hero-points i{color:var(--mint);font-size:13px}

.hero-visual{position:relative}
.hero-visual::before{
  content:"";position:absolute;inset:18px -18px -18px 18px;
  border-radius:var(--r-lg);border:1px solid var(--line);background:#fff;z-index:0;
}
.hero-visual img{
  position:relative;z-index:1;width:100%;aspect-ratio:16/11;object-fit:cover;
  border-radius:var(--r-lg);box-shadow:var(--sh);
}
.hero-panel{
  position:absolute;z-index:3;left:-18px;bottom:-24px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh);padding:16px 20px;min-width:196px;
}
.hero-panel strong{display:block;font-size:24px;font-weight:800;letter-spacing:.02em;color:var(--brand)}
.hero-panel span{font-size:13px;color:var(--ink-3)}
.hero-panel .panel-row{display:flex;align-items:center;gap:10px}
.hero-panel .dot{width:8px;height:8px;border-radius:50%;background:var(--mint)}

/* ---------- 数据徽章条 ---------- */
.stat-band{padding:0 0 8px;background:#fff}
.stat-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh);padding:26px 28px;
  display:grid;grid-template-columns:repeat(4,1fr);gap:var(--sp-24);
  margin-top:-52px;position:relative;z-index:5;
}
.stat-item{display:flex;flex-direction:column;gap:4px;padding-left:18px;border-left:2px solid transparent;border-image:linear-gradient(180deg,#5B3FF3,#12C6A7) 1}
.stat-item:first-child{border-left:2px solid transparent}
.stat-num{font-size:clamp(24px,2.4vw,32px);font-weight:800;letter-spacing:.02em;color:var(--ink)}
.stat-num em{font-style:normal;font-size:16px;color:var(--mint);margin-left:2px}
.stat-label{font-size:14px;color:var(--ink-2)}

/* ---------- 通用板块 ---------- */
.section{padding:88px 0}
.section-tint{background:#fff}
.section-head{max-width:720px;margin-bottom:44px}
.section-head.center{margin-left:auto;margin-right:auto;text-align:center}
.section-kicker{
  display:inline-block;font-size:13px;font-weight:700;color:var(--mint);
  letter-spacing:.02em;background:#E6FAF6;border:1px solid #B9EFE4;
  padding:6px 14px;border-radius:var(--r-pill);margin-bottom:16px;
}
.section-head h2{margin-bottom:14px}
.section-head p{color:var(--ink-2);font-size:16px}

/* ---------- 卖点区（1 大 2 小错位） ---------- */
.feature-grid{display:grid;grid-template-columns:1.32fr 1fr;gap:var(--sp-24)}
.feature-main{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease;
}
.feature-main:hover{transform:translateY(-3px);box-shadow:var(--sh-h)}
.feature-main img{width:100%;aspect-ratio:16/8;object-fit:cover}
.feature-main .fm-body{padding:30px 30px 34px}
.feature-main h3{margin:14px 0 12px}
.feature-main p{color:var(--ink-2);font-size:15px}
.feature-stack{display:grid;gap:var(--sp-24)}
.feature-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh);padding:26px 26px 28px;display:flex;gap:18px;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.feature-card:hover{transform:translateY(-3px);box-shadow:var(--sh-h);border-color:#D8D0FA}
.feature-icon{
  flex:0 0 46px;width:46px;height:46px;border-radius:14px;
  background:#F1EEFF;color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;font-size:18px;
}
.feature-card h3{font-size:20px;margin-bottom:8px}
.feature-card p{font-size:15px;color:var(--ink-2)}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:700;color:#0E9A82;
  background:#E6FAF6;border:1px solid #B9EFE4;
  padding:5px 12px;border-radius:var(--r-pill);
}
.tag-brand{color:var(--brand);background:#F1EEFF;border-color:#DED6FF}
.tag-coral{color:#D95A28;background:#FFF1EA;border-color:#FFD8C6}

/* ---------- 场景演示 ---------- */
.flow-list{display:flex;flex-direction:column;gap:var(--sp-32)}
.flow-item{
  display:grid;grid-template-columns:1fr 1fr;gap:var(--sp-48);align-items:center;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  padding:32px;box-shadow:var(--sh);
  transition:box-shadow .2s ease,transform .2s ease;
}
.flow-item:hover{box-shadow:var(--sh-h);transform:translateY(-2px)}
.flow-item:nth-child(even) .flow-text{order:2}
.flow-item:nth-child(even) .flow-pic{order:1}
.flow-pic img{width:100%;aspect-ratio:16/10;object-fit:cover;border-radius:var(--r-md)}
.step-num{
  display:inline-flex;align-items:center;justify-content:center;
  width:46px;height:46px;border-radius:14px;
  background-image:var(--grad);color:#fff;
  font-size:17px;font-weight:800;letter-spacing:.02em;
  box-shadow:0 10px 22px rgba(91,63,243,.26);margin-bottom:16px;
}
.flow-text h3{margin-bottom:10px}
.flow-text p{color:var(--ink-2);font-size:15px}
.flow-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:16px}
.chip{
  font-size:13px;font-weight:600;color:var(--ink-2);
  background:#F4F3FA;border:1px solid var(--line);
  padding:5px 12px;border-radius:var(--r-pill);
}

/* ---------- 最新信息 ---------- */
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--sp-24)}
.news-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh);overflow:hidden;display:flex;flex-direction:column;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.news-card:hover{transform:translateY(-3px);box-shadow:var(--sh-h);border-color:#D8D0FA}
.news-thumb{display:block;overflow:hidden;background:#F1EEFF}
.news-thumb img{width:100%;aspect-ratio:16/9;object-fit:cover;transition:transform .3s ease}
.news-card:hover .news-thumb img{transform:scale(1.04)}
.news-body{padding:22px 24px 24px;display:flex;flex-direction:column;flex:1}
.news-body h3{
  font-size:18px;line-height:1.45;margin:14px 0 10px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-body h3 a:hover{color:var(--brand)}
.news-summary{
  font-size:14px;color:var(--ink-3);margin-bottom:18px;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  gap:12px;padding-top:16px;border-top:1px solid var(--line);
}
.news-date{font-size:13px;color:var(--ink-3)}
.news-more{font-size:14px;font-weight:700;color:var(--brand);display:inline-flex;align-items:center;gap:6px}
.news-more:hover{gap:10px}
.empty-state{
  grid-column:1/-1;text-align:center;padding:56px 24px;
  background:#fff;border:1px dashed var(--line);border-radius:var(--r-lg);
}
.empty-state i{font-size:30px;color:var(--ink-3);margin-bottom:14px;display:block}
.empty-state p{color:var(--ink-2);margin-bottom:20px}

/* ---------- 社会认同 ---------- */
.trust-grid{display:grid;grid-template-columns:1fr 1.15fr;gap:var(--sp-24)}
.quote-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh);padding:32px;display:flex;flex-direction:column;
}
.quote-card .quote-mark{font-size:28px;color:var(--brand);opacity:.35;margin-bottom:12px}
.quote-card p{font-size:16px;color:var(--ink-2);margin-bottom:24px}
.quote-user{display:flex;align-items:center;gap:14px;margin-top:auto}
.avatar{
  width:48px;height:48px;border-radius:50%;flex-shrink:0;
  background-image:var(--grad);color:#fff;
  display:inline-flex;align-items:center;justify-content:center;font-weight:800;font-size:17px;
}
.quote-user strong{display:block;font-size:15px;font-weight:700}
.quote-user span{font-size:13px;color:var(--ink-3)}
.proof-grid{
  display:grid;grid-template-columns:repeat(3,1fr);gap:1px;
  background:var(--line);border:1px solid var(--line);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh);
}
.proof-cell{background:#fff;padding:26px 20px;display:flex;flex-direction:column;gap:6px;transition:background .2s ease}
.proof-cell:hover{background:#FAF9FF}
.proof-cell strong{font-size:22px;font-weight:800;letter-spacing:.02em;color:var(--brand)}
.proof-cell span{font-size:14px;color:var(--ink-2)}

/* ---------- FAQ ---------- */
.faq-list{display:flex;flex-direction:column;gap:14px;max-width:860px;margin:0 auto}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-md);
  box-shadow:var(--sh);overflow:hidden;transition:border-color .2s ease,box-shadow .2s ease;
}
.faq-item[open]{border-color:#D8D0FA;box-shadow:var(--sh-h)}
.faq-item summary{
  list-style:none;cursor:pointer;display:flex;align-items:center;justify-content:space-between;
  gap:16px;padding:20px 24px;font-size:17px;font-weight:700;color:var(--ink);
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary:hover{color:var(--brand)}
.faq-icon{
  flex-shrink:0;width:28px;height:28px;border-radius:10px;
  background:#F1EEFF;color:var(--brand);
  display:inline-flex;align-items:center;justify-content:center;font-size:13px;
  transition:transform .24s ease,background .24s ease,color .24s ease;
}
.faq-item[open] .faq-icon{transform:rotate(45deg);background:var(--brand);color:#fff}
.faq-answer{padding:0 24px 22px;color:var(--ink-2);font-size:15px;background:#FBFAFE;margin:0 12px 12px;border-radius:var(--r-sm);padding-top:16px}

/* ---------- 底部转化区 ---------- */
.cta-band{padding:0 0 88px}
.cta-box{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:var(--dark);color:#fff;padding:56px 56px;
  display:grid;grid-template-columns:1.3fr .7fr;gap:var(--sp-48);align-items:center;
}
.cta-box::before{
  content:"";position:absolute;right:-90px;top:-90px;width:340px;height:340px;border-radius:50%;
  background-image:var(--grad);opacity:.34;filter:blur(4px);
}
.cta-box h2{color:#fff;margin-bottom:14px;position:relative;z-index:2}
.cta-box p{color:rgba(255,255,255,.76);position:relative;z-index:2;font-size:16px}
.cta-actions{position:relative;z-index:2;display:flex;flex-direction:column;gap:14px;align-items:flex-start}
.cta-actions .btn-outline{background:transparent;color:#fff;border-color:rgba(255,255,255,.4)}
.cta-actions .btn-outline:hover{border-color:#fff;color:#fff;background:rgba(255,255,255,.08)}

/* ---------- 固定转化条 ---------- */
.floating-cta{
  position:fixed;right:24px;bottom:24px;z-index:70;
  width:min(360px,calc(100vw - 48px));
  background:#fff;border:1px solid transparent;border-radius:var(--r-md);
  box-shadow:0 18px 44px rgba(23,18,58,.18);
  padding:18px 20px;display:flex;align-items:center;gap:16px;
  background-clip:padding-box;
}
.floating-cta::before{
  content:"";position:absolute;inset:-1px;border-radius:inherit;
  background-image:var(--grad);z-index:-1;
}
.floating-cta .float-text{flex:1;min-width:0}
.floating-cta strong{display:block;font-size:15px;font-weight:700;color:var(--ink);line-height:1.4}
.floating-cta span{display:block;font-size:13px;color:var(--ink-3);line-height:1.5}
.float-close{
  position:absolute;top:-10px;right:-10px;width:28px;height:28px;border-radius:50%;
  background:var(--dark);color:#fff;font-size:12px;
  display:inline-flex;align-items:center;justify-content:center;
  box-shadow:0 6px 16px rgba(23,18,58,.28);
}
.float-close:hover{background:var(--brand)}
.floating-cta.is-hidden{display:none}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--dark);color:rgba(255,255,255,.72);padding:72px 0 0}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:var(--sp-48);padding-bottom:52px}
.footer-brand .brand-name{color:#fff}
.footer-brand p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);margin-top:18px;max-width:340px}
.footer-col h4{color:#fff;font-size:15px;font-weight:700;margin-bottom:18px}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.68)}
.footer-col a:hover{color:#fff}
.footer-list-static{font-size:14px;color:rgba(255,255,255,.68)}
.footer-bottom{
  border-top:1px solid var(--line-dark);
  display:flex;align-items:center;justify-content:space-between;flex-wrap:wrap;gap:12px;
  padding-top:24px;padding-bottom:28px;font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-search input{width:128px}
  .nav-link{padding:9px 11px;font-size:14px}
}

@media (max-width:991px){
  .section{padding:64px 0}
  .nav-links{display:none}
  .nav-search{display:none}
  .hamburger{display:inline-flex}
  .nav-inner{justify-content:space-between}
  .hero{padding:52px 0 72px}
  .hero-grid{grid-template-columns:1fr;gap:var(--sp-48)}
  .hero-sub{max-width:100%}
  .stat-card{grid-template-columns:repeat(2,1fr);gap:22px;padding:24px;margin-top:-40px}
  .stat-item{border-image:none;border-left:1px solid var(--line);padding-left:16px}
  .feature-grid{grid-template-columns:1fr}
  .flow-item{grid-template-columns:1fr;gap:24px;padding:24px}
  .flow-item:nth-child(even) .flow-text{order:1}
  .flow-item:nth-child(even) .flow-pic{order:2}
  .news-grid{grid-template-columns:repeat(2,1fr)}
  .trust-grid{grid-template-columns:1fr}
  .cta-band{padding:0 0 64px}
  .cta-box{grid-template-columns:1fr;gap:28px;padding:40px 32px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:36px}
}

@media (max-width:767px){
  body{padding-bottom:86px}
  h1{font-size:clamp(28px,7.6vw,34px)}
  h2{font-size:clamp(23px,6vw,27px)}
  .section{padding:56px 0}
  .section-head{margin-bottom:32px}
  .hero{padding:40px 0 64px}
  .hero-panel{left:12px;bottom:-20px;padding:13px 16px;min-width:0}
  .hero-panel strong{font-size:20px}
  .hero-actions .btn{width:100%}
  .hero-points{gap:8px 18px}
  .stat-card{grid-template-columns:1fr;gap:18px;margin-top:-36px}
  .stat-item{border-left:none;padding-left:0;border-bottom:1px solid var(--line);padding-bottom:14px}
  .stat-item:last-child{border-bottom:none;padding-bottom:0}
  .news-grid{grid-template-columns:1fr}
  .proof-grid{grid-template-columns:repeat(2,1fr)}
  .cta-box{padding:32px 22px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer-grid{grid-template-columns:1fr;gap:30px;padding-bottom:36px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .floating-cta{
    right:0;left:0;bottom:0;width:100%;border-radius:0;
    padding:12px 16px;gap:12px;
    background-image:var(--grad);
  }
  .floating-cta::before{display:none}
  .floating-cta strong{color:#fff;font-size:14px}
  .floating-cta span{color:rgba(255,255,255,.82);font-size:12px}
  .floating-cta .btn-grad{background:#fff;color:var(--brand);box-shadow:none;background-image:none}
  .floating-cta .btn-grad:hover{color:var(--brand)}
  .float-close{top:-12px;right:8px}
}

@media (max-width:520px){
  .shell{padding-left:16px;padding-right:16px}
  .brand-name{font-size:17px}
  .feature-main .fm-body{padding:24px 22px 26px}
  .feature-card{flex-direction:column;gap:14px}
  .news-body{padding:20px 20px 22px}
  .quote-card{padding:24px}
  .faq-item summary{padding:17px 18px;font-size:16px}
  .faq-answer{margin:0 8px 10px;padding:14px 16px 18px}
  .proof-cell{padding:20px 16px}
}

/* roulang page: article */
:root{
  --brand:#5B3FF3;
  --brand-2:#7B5CFF;
  --mint:#12C6A7;
  --coral:#FF7A45;
  --bg:#F4F3FA;
  --card:#FFFFFF;
  --deep:#17123A;
  --ink:#1B1633;
  --ink-2:#5C5679;
  --ink-3:#8D88A3;
  --line:#E5E2F2;
  --line-dark:rgba(255,255,255,.12);
  --grad:linear-gradient(118deg,#5B3FF3 0%,#7B5CFF 42%,#12C6A7 100%);
  --r-lg:22px;
  --r-md:16px;
  --r-sm:12px;
  --sh:0 10px 30px rgba(23,18,58,.08);
  --sh-hover:0 16px 40px rgba(91,63,243,.16);
  --sp-1:8px;
  --sp-2:16px;
  --sp-3:24px;
  --sp-4:32px;
  --sp-5:48px;
  --sp-6:64px;
  --sp-7:96px;
  --shell:1200px;
  --read:760px;
}
*{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  overflow-x:hidden;
}
img{max-width:100%;height:auto;display:block}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,opacity .2s ease}
a:hover{color:var(--brand-2)}
button{font-family:inherit}
h1,h2,h3,h4{margin:0;color:var(--ink);line-height:1.28;font-weight:800}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px}
.shell{width:100%;max-width:var(--shell);margin:0 auto;padding:0 20px}
.section{padding:88px 0}
.section-tight{padding:64px 0}
.section-head{max-width:720px;margin-bottom:var(--sp-5)}
.section-head h2{font-size:clamp(26px,3vw,36px)}
.section-head p{margin-top:var(--sp-2);color:var(--ink-2)}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.02em;
  color:var(--brand);background:rgba(91,63,243,.09);
  border:1px solid rgba(91,63,243,.18);
  padding:6px 14px;border-radius:999px;margin-bottom:var(--sp-2);
}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:1000;
  background:rgba(255,255,255,.92);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(23,18,58,.08)}
.header-inner{display:flex;align-items:center;gap:var(--sp-3);height:72px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:12px;
  background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;
  font-size:16px;box-shadow:0 8px 18px rgba(91,63,243,.28);
}
.brand-name{font-size:17px;font-weight:800;color:var(--ink);letter-spacing:.01em}
.nav-links{display:flex;align-items:center;gap:4px;margin-left:var(--sp-2)}
.nav-link{
  display:inline-block;padding:8px 14px;border-radius:999px;
  font-size:15px;font-weight:500;color:var(--ink-2);white-space:nowrap;
  transition:background .2s ease,color .2s ease;
}
.nav-link:hover{background:rgba(91,63,243,.08);color:var(--brand)}
.nav-link.is-active{background:rgba(91,63,243,.1);color:var(--brand);font-weight:700}
.header-actions{display:flex;align-items:center;gap:12px;margin-left:auto}
.search-box{position:relative;display:flex;align-items:center}
.search-box i{position:absolute;left:13px;font-size:13px;color:var(--ink-3);pointer-events:none}
.search-box input{
  width:206px;padding:9px 14px 9px 34px;
  border:1px solid var(--line);border-radius:999px;
  background:#fff;font-size:14px;color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease,width .25s ease;
}
.search-box input::placeholder{color:var(--ink-3)}
.search-box input:focus{outline:none;border-color:var(--brand);box-shadow:0 0 0 4px rgba(91,63,243,.14)}
.login-link{font-size:15px;color:var(--ink-2);font-weight:500;padding:8px 4px;white-space:nowrap}
.login-link:hover{color:var(--brand)}
.btn-gradient{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--grad);color:#fff;border:none;
  padding:11px 22px;border-radius:999px;
  font-size:15px;font-weight:700;letter-spacing:.01em;
  box-shadow:0 10px 22px rgba(91,63,243,.26);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
  cursor:pointer;
}
.btn-gradient:hover{color:#fff;transform:translateY(-1px);filter:brightness(1.06);box-shadow:var(--sh-hover)}
.btn-gradient:active{transform:translateY(1px);filter:brightness(.96)}
.btn-outline{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:#fff;color:var(--brand);
  border:1px solid rgba(91,63,243,.4);
  padding:10px 20px;border-radius:999px;
  font-size:15px;font-weight:600;
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-outline:hover{background:rgba(91,63,243,.06);border-color:var(--brand);color:var(--brand);transform:translateY(-1px)}
.menu-toggle{
  display:none;width:42px;height:42px;border-radius:12px;
  border:1px solid var(--line);background:#fff;color:var(--ink);
  font-size:16px;cursor:pointer;
}
.drawer-overlay{
  position:fixed;inset:0;background:rgba(23,18,58,.5);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:1090;
}
.drawer-overlay.is-open{opacity:1;visibility:visible}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:300px;max-width:86vw;
  background:#fff;z-index:1100;padding:var(--sp-3);
  transform:translateX(105%);transition:transform .28s ease;
  display:flex;flex-direction:column;gap:var(--sp-3);
  box-shadow:-12px 0 40px rgba(23,18,58,.18);overflow-y:auto;
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between}
.drawer-close{width:38px;height:38px;border-radius:12px;border:1px solid var(--line);background:#fff;color:var(--ink-2);cursor:pointer}
.drawer-nav{display:flex;flex-direction:column;gap:6px}
.drawer-nav a{padding:12px 14px;border-radius:var(--r-sm);font-size:15px;color:var(--ink-2);font-weight:500}
.drawer-nav a:hover,.drawer-nav a.is-active{background:rgba(91,63,243,.08);color:var(--brand)}
.drawer .search-box input{width:100%}

/* ============ 文章头部 ============ */
.article-hero{
  position:relative;
  padding:34px 0 56px;
  color:#fff;
  background-image:
    linear-gradient(118deg,rgba(23,18,58,.92) 0%,rgba(91,63,243,.86) 55%,rgba(18,198,167,.74) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
}
.article-hero::after{
  content:"";position:absolute;inset:0;
  background-image:repeating-linear-gradient(90deg,rgba(255,255,255,.05) 0 1px,transparent 1px 64px);
  pointer-events:none;
}
.article-hero .shell{position:relative;z-index:2}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:rgba(255,255,255,.72);margin-bottom:var(--sp-3)}
.crumbs a{color:rgba(255,255,255,.82)}
.crumbs a:hover{color:#fff}
.crumbs .sep{color:rgba(255,255,255,.42)}
.crumbs .current{
  max-width:420px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;
  color:#fff;font-weight:600;
}
.tag-mint{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 14px;border-radius:999px;
  font-size:13px;font-weight:700;letter-spacing:.02em;
  color:#EAFBF7;background:rgba(18,198,167,.18);
  border:1px solid rgba(18,198,167,.55);
}
.article-hero h1{
  margin-top:var(--sp-2);
  font-size:clamp(26px,3.6vw,44px);
  color:#fff;line-height:1.26;
  max-width:900px;
}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:var(--sp-3)}
.meta-chip{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 15px;border-radius:999px;
  font-size:13px;font-weight:600;
  color:rgba(255,255,255,.9);
  border:1px solid rgba(255,255,255,.22);
  background:rgba(255,255,255,.08);
}
.meta-chip i{font-size:12px;color:var(--mint)}

/* ============ 正文 ============ */
.article-wrap{margin-top:-34px;padding-bottom:var(--sp-6);position:relative;z-index:3}
.article-card{
  max-width:var(--read);margin:0 auto;background:var(--card);
  border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh);padding:44px 46px;
}
.article-body{font-size:16px;line-height:1.8;color:#3B3556;overflow-wrap:break-word}
.article-body>*:first-child{margin-top:0}
.article-body h2{font-size:clamp(20px,2.4vw,26px);margin:32px 0 12px;color:var(--ink)}
.article-body h3{font-size:20px;margin:26px 0 10px;color:var(--ink)}
.article-body p{margin:0 0 1.4em}
.article-body ul,.article-body ol{margin:0 0 1.4em;padding-left:1.25em}
.article-body ul{list-style:disc}
.article-body ol{list-style:decimal}
.article-body li{margin-bottom:.5em}
.article-body strong{color:var(--ink);font-weight:700}
.article-body a{color:var(--brand);border-bottom:1px dashed rgba(91,63,243,.45)}
.article-body blockquote{
  margin:0 0 1.4em;padding:16px 20px;
  border-left:4px solid var(--brand);
  background:#F7F6FE;border-radius:0 var(--r-sm) var(--r-sm) 0;
  color:var(--ink-2);
}
.article-body img{border-radius:var(--r-md);margin:var(--sp-3) 0}
.article-body figure{margin:var(--sp-3) 0}
.article-body figcaption{font-size:13px;color:var(--ink-3);text-align:center;margin-top:8px}
.article-body table{display:block;max-width:100%;overflow-x:auto;border-collapse:collapse;font-size:15px;margin:0 0 1.4em}
.article-body th,.article-body td{border:1px solid var(--line);padding:11px 14px;text-align:left}
.article-body th{background:#F7F6FE;color:var(--ink);font-weight:700}
.article-body code{background:#F1EFFB;color:#4A34C9;padding:2px 6px;border-radius:6px;font-size:14px}
.article-body pre{
  background:var(--deep);color:#EDEBFF;padding:18px 20px;border-radius:var(--r-sm);
  overflow-x:auto;font-size:14px;line-height:1.7;margin:0 0 1.4em;
}
.article-body pre code{background:none;color:inherit;padding:0}
.article-note{
  max-width:var(--read);margin:var(--sp-3) auto 0;
  font-size:13px;color:var(--ink-3);text-align:center;
}
.empty-state{
  text-align:center;padding:var(--sp-5) var(--sp-3);
  border:1px dashed var(--line);border-radius:var(--r-md);background:#FAF9FE;
}
.empty-state i{font-size:30px;color:var(--brand);margin-bottom:12px;display:block}
.empty-state h2{font-size:22px;margin-bottom:10px}
.empty-state p{color:var(--ink-2);margin-bottom:var(--sp-3)}

/* ============ 相关推荐 ============ */
.related-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:var(--sp-3)}
.card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-lg);
  box-shadow:var(--sh);overflow:hidden;
  transition:transform .22s ease,box-shadow .22s ease;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover)}
.card-media{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--grad)}
.card-media img{width:100%;height:100%;object-fit:cover}
.card-body{padding:22px 24px 24px;display:flex;flex-direction:column;gap:10px;flex:1}
.chip-mint{
  align-self:flex-start;display:inline-flex;align-items:center;gap:6px;
  padding:4px 12px;border-radius:999px;font-size:12px;font-weight:700;
  color:#0E8E79;background:rgba(18,198,167,.12);border:1px solid rgba(18,198,167,.4);
}
.card-body h3{font-size:18px;line-height:1.45}
.card-body p{font-size:14px;color:var(--ink-2);flex:1}
.card-foot{display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--ink-3);margin-top:4px}
.card-foot .more{color:var(--brand);font-weight:700}

/* ============ FAQ ============ */
.faq-list{max-width:860px;margin:0 auto;display:flex;flex-direction:column;gap:12px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-md);box-shadow:var(--sh);overflow:hidden}
.faq-item button{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:18px 22px;background:none;border:none;cursor:pointer;text-align:left;
  font-size:17px;font-weight:700;color:var(--ink);
}
.faq-item button:hover{color:var(--brand)}
.faq-item .faq-icon{transition:transform .25s ease;color:var(--brand);font-size:15px}
.faq-item button[aria-expanded="true"] .faq-icon{transform:rotate(45deg)}
.faq-answer{padding:0 22px 20px;color:var(--ink-2);font-size:15px;background:#FAF9FE}

/* ============ CTA ============ */
.cta-band{
  background:var(--deep);border-radius:var(--r-lg);
  padding:var(--sp-5) var(--sp-5);color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:var(--sp-4);
  flex-wrap:wrap;
  border:1px solid var(--line-dark);
}
.cta-band h2{color:#fff;font-size:clamp(22px,2.6vw,30px);max-width:560px}
.cta-band p{color:rgba(255,255,255,.72);margin-top:10px;max-width:560px;font-size:15px}
.cta-actions{display:flex;gap:12px;flex-wrap:wrap}

/* ============ 悬浮转化条 ============ */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:1050;
  width:330px;padding:20px 22px;
  border:2px solid transparent;border-radius:18px;
  background:linear-gradient(#fff,#fff) padding-box,var(--grad) border-box;
  box-shadow:var(--sh-hover);
}
.float-cta h3{font-size:16px;margin-bottom:6px}
.float-cta p{font-size:13px;color:var(--ink-2);margin-bottom:14px}
.float-cta .btn-gradient{width:100%;padding:10px 18px}
.float-close{
  position:absolute;top:8px;right:10px;border:none;background:none;
  color:var(--ink-3);font-size:15px;cursor:pointer;line-height:1;
}
.mobile-cta{
  display:none;position:fixed;left:0;right:0;bottom:0;z-index:1050;
  background:var(--grad);color:#fff;
  padding:12px 16px;align-items:center;justify-content:space-between;gap:12px;
}
.mobile-cta span{font-size:14px;font-weight:700}
.mobile-cta a{
  background:#fff;color:var(--brand);font-weight:700;font-size:14px;
  padding:9px 18px;border-radius:999px;white-space:nowrap;
}

/* ============ 页脚 ============ */
.site-footer{background:var(--deep);color:rgba(255,255,255,.72);padding:64px 0 24px;margin-top:var(--sp-6)}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:var(--sp-4)}
.footer-brand .brand{margin-bottom:var(--sp-2)}
.footer-brand .brand-name{color:#fff}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.66);max-width:360px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:var(--sp-2);font-weight:700}
.footer-col ul{display:flex;flex-direction:column;gap:10px}
.footer-col a{font-size:14px;color:rgba(255,255,255,.66)}
.footer-col a:hover{color:#fff}
.footer-list-static{font-size:14px;color:rgba(255,255,255,.58)}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:12px;flex-wrap:wrap;
  margin-top:var(--sp-5);padding-top:20px;
  border-top:1px solid var(--line-dark);
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ============ 响应式 ============ */
@media (max-width:1199px){
  .search-box input{width:170px}
  .nav-link{padding:8px 11px;font-size:14px}
}
@media (max-width:991px){
  .section{padding:64px 0}
  .nav-links,.search-box,.login-link{display:none}
  .menu-toggle{display:inline-flex;align-items:center;justify-content:center}
  .related-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr}
  .article-card{padding:32px 26px}
}
@media (max-width:767px){
  body{padding-bottom:74px;font-size:15px}
  .section{padding:56px 0}
  .header-inner{height:64px}
  .article-hero{padding:24px 0 48px}
  .crumbs .current{max-width:200px}
  .related-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:var(--sp-3)}
  .article-card{padding:24px 20px;border-radius:var(--r-md)}
  .float-cta{display:none}
  .mobile-cta{display:flex}
  .cta-band{padding:32px 24px;border-radius:var(--r-md)}
  .site-footer{padding:48px 0 20px}
}

/* roulang page: category1 */
:root{
  --brand:#5B3FF3;
  --brand-2:#7B5CFF;
  --mint:#12C6A7;
  --coral:#FF7A45;
  --bg:#F4F3FA;
  --card:#FFFFFF;
  --deep:#17123A;
  --ink:#1B1633;
  --ink-2:#5C5679;
  --ink-3:#8D88A3;
  --line:#E5E2F2;
  --line-dark:rgba(255,255,255,.12);
  --grad:linear-gradient(118deg,#5B3FF3 0%,#7B5CFF 42%,#12C6A7 100%);
  --r-lg:22px;
  --r-md:16px;
  --r-sm:12px;
  --r-full:999px;
  --sh:0 10px 30px rgba(23,18,58,.08);
  --sh-hover:0 16px 40px rgba(91,63,243,.16);
  --sp-1:8px;
  --sp-2:16px;
  --sp-3:24px;
  --sp-4:32px;
  --sp-5:48px;
  --sp-6:64px;
  --sec-y:88px;
  --font:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
}

*{box-sizing:border-box;}
html,body{margin:0;padding:0;}
body{
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -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);}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.25;color:var(--ink);}
p{margin:0 0 1em;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}

.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 20px;}
.narrow{max-width:760px;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:1030;
  background:rgba(244,243,250,.92);
  border-bottom:1px solid var(--line);
  transition:box-shadow .25s ease,background .25s ease;
}
.site-header.is-scrolled{
  background:rgba(255,255,255,.92);
  box-shadow:0 6px 24px rgba(23,18,58,.08);
}
.header-inner{
  display:flex;
  align-items:center;
  gap:var(--sp-4);
  min-height:72px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  color:var(--ink);
  font-weight:800;
}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:34px;
  height:34px;
  border-radius:11px;
  background:var(--grad);
  color:#fff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:15px;
  box-shadow:0 6px 16px rgba(91,63,243,.28);
}
.brand-name{
  font-size:17px;
  letter-spacing:.01em;
  white-space:nowrap;
}
.nav-links{
  display:flex;
  align-items:center;
  gap:6px;
  flex:1 1 auto;
  min-width:0;
}
.nav-link{
  position:relative;
  display:inline-block;
  padding:8px 14px;
  border-radius:var(--r-full);
  font-size:15px;
  font-weight:500;
  color:var(--ink-2);
  white-space:nowrap;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.nav-link:hover{
  color:var(--brand);
  background:rgba(91,63,243,.08);
}
.nav-link.is-active{
  color:var(--brand);
  font-weight:700;
  background:rgba(91,63,243,.10);
}
.nav-link.is-active::after{
  content:"";
  position:absolute;
  left:50%;
  bottom:-1px;
  width:22px;
  height:3px;
  border-radius:3px;
  transform:translateX(-50%);
  background:var(--grad);
}
.header-actions{
  display:flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
}
.search-box{
  position:relative;
  display:flex;
  align-items:center;
}
.search-box i{
  position:absolute;
  left:14px;
  font-size:13px;
  color:var(--ink-3);
  pointer-events:none;
}
.search-box input{
  width:230px;
  height:40px;
  padding:0 16px 0 36px;
  border-radius:var(--r-full);
  border:1px solid var(--line);
  background:#fff;
  font-size:14px;
  color:var(--ink);
  transition:border-color .2s ease,box-shadow .2s ease,width .25s ease;
}
.search-box input::placeholder{color:var(--ink-3);}
.search-box input:focus{
  outline:none;
  border-color:var(--brand);
  box-shadow:0 0 0 4px rgba(91,63,243,.14);
}
.link-login{
  font-size:15px;
  font-weight:500;
  color:var(--ink-2);
  padding:8px 6px;
}
.link-login:hover{color:var(--brand);}
.btn-primary-grad{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:0 22px;
  height:42px;
  border:none;
  border-radius:var(--r-full);
  background:var(--grad);
  color:#fff;
  font-size:15px;
  font-weight:700;
  box-shadow:0 8px 20px rgba(91,63,243,.26);
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease;
  cursor:pointer;
}
.btn-primary-grad:hover{
  color:#fff;
  filter:brightness(1.06);
  transform:translateY(-1px);
  box-shadow:var(--sh-hover);
}
.btn-primary-grad:active{
  transform:translateY(1px);
  filter:brightness(.96);
}
.btn-outline-brand{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:0 22px;
  height:42px;
  border-radius:var(--r-full);
  border:1px solid var(--brand);
  background:transparent;
  color:var(--brand);
  font-size:15px;
  font-weight:600;
  transition:background .18s ease,color .18s ease,transform .18s ease,box-shadow .18s ease;
  cursor:pointer;
}
.btn-outline-brand:hover{
  background:rgba(91,63,243,.08);
  color:var(--brand);
  transform:translateY(-1px);
  box-shadow:0 8px 18px rgba(91,63,243,.14);
}
.btn-outline-brand:active{transform:translateY(1px);}
.btn-ghost-light{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  padding:0 22px;
  height:42px;
  border-radius:var(--r-full);
  border:1px solid rgba(255,255,255,.5);
  background:rgba(255,255,255,.12);
  color:#fff;
  font-size:15px;
  font-weight:600;
  transition:background .18s ease,transform .18s ease;
}
.btn-ghost-light:hover{background:rgba(255,255,255,.22);color:#fff;transform:translateY(-1px);}
.hamburger{
  display:none;
  width:42px;
  height:42px;
  border-radius:var(--r-sm);
  border:1px solid var(--line);
  background:#fff;
  color:var(--ink);
  font-size:16px;
  align-items:center;
  justify-content:center;
  cursor:pointer;
}
.drawer-mask{
  position:fixed;
  inset:0;
  background:rgba(23,18,58,.45);
  opacity:0;
  visibility:hidden;
  transition:opacity .25s ease,visibility .25s ease;
  z-index:1050;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.drawer{
  position:fixed;
  top:0;
  right:0;
  width:300px;
  max-width:84vw;
  height:100%;
  background:#fff;
  box-shadow:-12px 0 40px rgba(23,18,58,.18);
  transform:translateX(102%);
  transition:transform .28s ease;
  z-index:1060;
  padding:22px 20px;
  display:flex;
  flex-direction:column;
  gap:18px;
  overflow-y:auto;
}
.drawer.is-open{transform:translateX(0);}
.drawer-head{
  display:flex;
  align-items:center;
  justify-content:space-between;
}
.drawer-close{
  width:36px;height:36px;border-radius:var(--r-sm);
  border:1px solid var(--line);background:#fff;color:var(--ink-2);
  cursor:pointer;
}
.drawer-nav{display:flex;flex-direction:column;gap:6px;}
.drawer-nav a{
  padding:11px 14px;
  border-radius:var(--r-sm);
  color:var(--ink-2);
  font-size:15px;
  font-weight:500;
}
.drawer-nav a:hover{background:rgba(91,63,243,.08);color:var(--brand);}
.drawer-nav a.is-active{background:rgba(91,63,243,.10);color:var(--brand);font-weight:700;}
.drawer .search-box input{width:100%;}

/* ---------- 面包屑 ---------- */
.crumb-bar{
  padding:18px 0 0;
  font-size:13px;
  color:var(--ink-3);
}
.crumb-bar a{color:var(--ink-3);}
.crumb-bar a:hover{color:var(--brand);}
.crumb-sep{margin:0 8px;color:#C8C3DA;}

/* ---------- 分类首屏 ---------- */
.cat-hero{
  position:relative;
  padding:56px 0 72px;
  overflow:hidden;
}
.cat-hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url('/assets/images/backpic/back-2.webp');
  background-size:cover;
  background-position:center;
  opacity:.16;
}
.cat-hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(720px 380px at 12% 8%,rgba(91,63,243,.16),transparent 62%),
             radial-gradient(600px 320px at 92% 82%,rgba(18,198,167,.16),transparent 66%);
}
.cat-hero .shell{position:relative;z-index:2;}
.hero-grid{
  display:grid;
  grid-template-columns:1.15fr .85fr;
  gap:var(--sp-6);
  align-items:center;
}
.eyebrow{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:6px 14px;
  border-radius:var(--r-full);
  background:#fff;
  border:1px solid rgba(18,198,167,.45);
  color:#0E9E86;
  font-size:13px;
  font-weight:700;
  letter-spacing:.02em;
  box-shadow:0 6px 16px rgba(23,18,58,.06);
}
.hero-title{
  margin:18px 0 14px;
  font-size:clamp(32px,4.4vw,52px);
  font-weight:800;
  line-height:1.2;
  letter-spacing:-.01em;
}
.hero-title .hl{
  background:var(--grad);
  -webkit-background-clip:text;
  background-clip:text;
  color:transparent;
}
.hero-sub{
  font-size:17px;
  line-height:1.8;
  color:var(--ink-2);
  max-width:620px;
}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:26px;
}
.hero-stats{
  display:grid;
  grid-template-columns:repeat(4,minmax(0,1fr));
  gap:12px;
  margin-top:38px;
  padding-top:26px;
  border-top:1px solid rgba(91,63,243,.16);
}
.stat-item{
  background:#fff;
  border:1px solid rgba(18,198,167,.35);
  border-radius:var(--r-md);
  padding:16px 14px;
  box-shadow:var(--sh);
}
.stat-num{
  display:block;
  font-size:clamp(20px,2.4vw,26px);
  font-weight:700;
  letter-spacing:.02em;
  color:var(--brand);
  line-height:1.2;
}
.stat-label{
  display:block;
  margin-top:6px;
  font-size:13px;
  color:var(--ink-3);
}
.hero-art{
  position:relative;
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh-hover);
  border:1px solid var(--line);
  background:#fff;
}
.hero-art img{
  width:100%;
  aspect-ratio:4/3;
  object-fit:cover;
}
.hero-art .art-tag{
  position:absolute;
  left:16px;
  bottom:16px;
  padding:8px 14px;
  border-radius:var(--r-full);
  background:rgba(23,18,58,.72);
  color:#fff;
  font-size:13px;
  font-weight:600;
}

/* ---------- 通用板块 ---------- */
.section{padding:var(--sec-y) 0;}
.section-alt{background:#fff;}
.section-head{max-width:760px;margin-bottom:var(--sp-5);}
.section-title{
  font-size:clamp(26px,3.1vw,36px);
  margin-bottom:14px;
}
.section-desc{color:var(--ink-2);font-size:16px;line-height:1.8;margin:0;}

/* ---------- 服务卡片网格 ---------- */
.svc-card{
  height:100%;
  display:flex;
  flex-direction:column;
  background:var(--card);
  border:1px solid var(--line);
  border-radius:var(--r-lg);
  overflow:hidden;
  box-shadow:var(--sh);
  transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease;
}
.svc-card:hover{
  transform:translateY(-4px);
  box-shadow:var(--sh-hover);
  border-color:rgba(91,63,243,.35);
}
.card-media{
  position:relative;
  overflow:hidden;
  background:linear-gradient(118deg,#5B3FF3,#7B5CFF 42%,#12C6A7);
}
.card-media img{
  width:100%;
  aspect-ratio:16/9;
  object-fit:cover;
  transition:transform .35s ease;
}
.svc-card:hover .card-media img{transform:scale(1.04);}
.card-body{
  padding:28px;
  display:flex;
  flex-direction:column;
  flex:1 1 auto;
}
.tag{
  display:inline-flex;
  align-items:center;
  align-self:flex-start;
  padding:4px 12px;
  border-radius:var(--r-full);
  background:rgba(18,198,167,.12);
  border:1px solid rgba(18,198,167,.4);
  color:#0E9E86;
  font-size:12px;
  font-weight:700;
  letter-spacing:.02em;
}
.card-title{
  margin:14px 0 10px;
  font-size:20px;
  font-weight:700;
}
.card-text{
  color:var(--ink-2);
  font-size:15px;
  line-height:1.8;
  margin:0 0 18px;
}
.card-points{
  margin:0 0 20px;
  display:flex;
  flex-direction:column;
  gap:8px;
}
.card-points li{
  position:relative;
  padding-left:20px;
  font-size:14px;
  color:var(--ink-2);
}
.card-points li::before{
  content:"";
  position:absolute;
  left:0;
  top:9px;
  width:8px;
  height:8px;
  border-radius:50%;
  background:var(--grad);
}
.card-link{
  margin-top:auto;
  display:inline-flex;
  align-items:center;
  gap:8px;
  font-size:14px;
  font-weight:700;
  color:var(--brand);
}
.card-link i{transition:transform .2s ease;}
.card-link:hover i{transform:translateX(4px);}

/* ---------- 核对要点 ---------- */
.check-wrap{
  display:grid;
  grid-template-columns:.95fr 1.05fr;
  gap:var(--sp-6);
  align-items:center;
}
.check-art{
  border-radius:var(--r-lg);
  overflow:hidden;
  border:1px solid var(--line);
  box-shadow:var(--sh);
  background:#fff;
}
.check-art img{width:100%;aspect-ratio:4/3;object-fit:cover;}
.check-list{
  display:flex;
  flex-direction:column;
  gap:14px;
}
.check-item{
  display:flex;
  gap:16px;
  padding:20px;
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh);
  transition:transform .2s ease,box-shadow .2s ease;
}
.check-item:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);}
.check-num{
  flex:0 0 auto;
  width:40px;
  height:40px;
  border-radius:var(--r-sm);
  background:var(--grad);
  color:#fff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  font-size:14px;
  font-weight:700;
  letter-spacing:.02em;
}
.check-item h3{font-size:18px;margin-bottom:6px;}
.check-item p{margin:0;font-size:15px;color:var(--ink-2);line-height:1.75;}

/* ---------- FAQ ---------- */
.faq-list{
  display:flex;
  flex-direction:column;
  gap:14px;
}
.faq-item{
  background:#fff;
  border:1px solid var(--line);
  border-radius:var(--r-md);
  box-shadow:var(--sh);
  overflow:hidden;
}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  justify-content:space-between;
  gap:16px;
  padding:22px 24px;
  background:transparent;
  border:none;
  text-align:left;
  font-size:17px;
  font-weight:700;
  color:var(--ink);
  cursor:pointer;
}
.faq-q i{
  color:var(--brand);
  transition:transform .25s ease;
  flex:0 0 auto;
}
.faq-q[aria-expanded="false"] i{transform:rotate(0deg);}
.faq-q[aria-expanded="true"] i{transform:rotate(45deg);}
.faq-a{
  padding:0 24px 22px;
  color:var(--ink-2);
  font-size:15px;
  line-height:1.85;
}
.faq-a .inner{
  background:#F7F6FC;
  border-radius:var(--r-sm);
  padding:16px 18px;
}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;
  border-radius:var(--r-lg);
  padding:56px 48px;
  overflow:hidden;
  background:var(--deep);
  border:1px solid var(--line-dark);
  box-shadow:0 18px 46px rgba(23,18,58,.28);
  text-align:center;
}
.cta-band::before{
  content:"";
  position:absolute;
  inset:0;
  background:radial-gradient(520px 300px at 18% 10%,rgba(91,63,243,.55),transparent 62%),
             radial-gradient(520px 300px at 86% 92%,rgba(18,198,167,.42),transparent 66%);
  opacity:.9;
}
.cta-band > *{position:relative;z-index:2;}
.cta-band h2{
  color:#fff;
  font-size:clamp(26px,3.1vw,36px);
  margin-bottom:14px;
}
.cta-band p{
  color:rgba(255,255,255,.78);
  max-width:620px;
  margin:0 auto 28px;
  font-size:16px;
}
.cta-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  justify-content:center;
}
.btn-light-solid{
  display:inline-flex;
  align-items:center;
  gap:8px;
  padding:0 24px;
  height:46px;
  border-radius:var(--r-full);
  background:#fff;
  color:var(--deep);
  font-size:15px;
  font-weight:700;
  border:none;
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease;
}
.btn-light-solid:hover{color:var(--deep);transform:translateY(-1px);box-shadow:0 14px 30px rgba(0,0,0,.22);filter:brightness(1.03);}

/* ---------- 固定转化条 ---------- */
.float-cta{
  position:fixed;
  right:26px;
  bottom:26px;
  z-index:1040;
  width:320px;
  background:#fff;
  border-radius:var(--r-md);
  padding:18px;
  border:1px solid transparent;
  background-image:linear-gradient(#fff,#fff),var(--grad);
  background-origin:border-box;
  background-clip:padding-box,border-box;
  box-shadow:0 18px 40px rgba(23,18,58,.18);
  display:flex;
  flex-direction:column;
  gap:12px;
}
.float-cta strong{
  font-size:15px;
  color:var(--ink);
}
.float-cta span{font-size:13px;color:var(--ink-2);}
.float-cta .btn-primary-grad{width:100%;}
.float-close{
  position:absolute;
  top:8px;
  right:10px;
  border:none;
  background:transparent;
  color:var(--ink-3);
  font-size:14px;
  cursor:pointer;
}
.float-cta.is-hidden{display:none;}

/* ---------- 页脚 ---------- */
.site-footer{
  background:var(--deep);
  color:rgba(255,255,255,.72);
  padding:64px 0 26px;
  margin-top:24px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.4fr 1fr 1fr 1fr;
  gap:var(--sp-4);
  padding-bottom:36px;
  border-bottom:1px solid var(--line-dark);
}
.site-footer .brand{color:#fff;}
.site-footer .brand:hover{color:#fff;}
.footer-brand p{
  margin-top:16px;
  font-size:14px;
  line-height:1.85;
  color:rgba(255,255,255,.66);
}
.footer-col h4{
  font-size:15px;
  color:#fff;
  margin-bottom:14px;
  font-weight:700;
}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{
  font-size:14px;
  color:rgba(255,255,255,.66);
}
.footer-col a:hover{color:#fff;}
.footer-list-static{
  font-size:14px;
  color:rgba(255,255,255,.5);
}
.footer-bottom{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  justify-content:space-between;
  padding-top:22px;
  font-size:13px;
  color:rgba(255,255,255,.5);
}

/* ---------- 响应式 ---------- */
@media (max-width:1199.98px){
  .nav-link{padding:8px 11px;font-size:14px;}
  .search-box input{width:180px;}
  .hero-grid{gap:var(--sp-5);}
}
@media (max-width:991.98px){
  :root{--sec-y:64px;}
  .nav-links{display:none;}
  .search-box{display:none;}
  .link-login{display:none;}
  .hamburger{display:inline-flex;}
  .header-inner{justify-content:space-between;gap:16px;}
  .hero-grid{grid-template-columns:1fr;gap:var(--sp-4);}
  .hero-stats{grid-template-columns:repeat(2,minmax(0,1fr));}
  .check-wrap{grid-template-columns:1fr;gap:var(--sp-4);}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .float-cta{
    right:0;
    left:0;
    bottom:0;
    width:100%;
    border-radius:0;
    background:var(--grad);
    background-image:none;
    border:none;
    flex-direction:row;
    align-items:center;
    justify-content:space-between;
    padding:14px 18px;
    box-shadow:0 -8px 26px rgba(23,18,58,.24);
  }
  .float-cta strong,.float-cta span{color:#fff;}
  .float-cta span{opacity:.85;}
  .float-cta .btn-primary-grad{
    width:auto;
    background:#fff;
    color:var(--brand);
    box-shadow:none;
    background-image:none;
    flex:0 0 auto;
  }
  .float-cta .btn-primary-grad:hover{color:var(--brand);filter:none;}
  .float-close{color:rgba(255,255,255,.85);top:6px;right:8px;}
  body{padding-bottom:78px;}
}
@media (max-width:767.98px){
  :root{--sec-y:56px;}
  body{font-size:15px;}
  .section{padding:var(--sec-y) 0;}
  .card-body{padding:20px;}
  .cta-band{padding:38px 22px;}
  .hero-stats{gap:10px;}
  .stat-item{padding:14px 12px;}
  .footer-bottom{flex-direction:column;gap:6px;}
}
@media (max-width:575.98px){
  .shell{padding:0 16px;}
  .brand-name{font-size:15px;}
  .hero-title{font-size:clamp(28px,8vw,34px);}
  .hero-sub{font-size:15px;}
  .hero-actions .btn-primary-grad,
  .hero-actions .btn-outline-brand{width:100%;}
  .hero-stats{grid-template-columns:1fr 1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .float-cta span{display:none;}
  .float-cta strong{font-size:14px;}
}

/* roulang page: category2 */
:root{
  --brand:#5B3FF3;
  --brand-2:#7B5CFF;
  --mint:#12C6A7;
  --coral:#FF7A45;
  --bg:#F4F3FA;
  --card:#FFFFFF;
  --deep:#17123A;
  --ink:#1B1633;
  --muted:#5C5679;
  --faint:#8D88A3;
  --line:#E5E2F2;
  --grad:linear-gradient(118deg,#5B3FF3 0%,#7B5CFF 42%,#12C6A7 100%);
  --r-xl:22px;
  --r-md:16px;
  --r-sm:12px;
  --sh:0 10px 30px rgba(23,18,58,.08);
  --sh-h:0 16px 40px rgba(91,63,243,.16);
  --s1:8px; --s2:16px; --s3:24px; --s4:32px; --s5:48px; --s6:64px; --s7:96px;
  --sec-pad:88px;
  --shell:1200px;
}
*{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
  font-size:16px;
  line-height:1.75;
  color:var(--ink);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,background .2s ease,border-color .2s ease,transform .2s ease;}
a:hover{color:var(--brand-2);}
img{max-width:100%;display:block;}
h1,h2,h3,h4{margin:0;line-height:1.28;font-weight:700;color:var(--ink);}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
button{font-family:inherit;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.shell{width:100%;max-width:var(--shell);margin:0 auto;padding:0 24px;}
.section{padding:var(--sec-pad) 0;}
.section-tight{padding:56px 0;}
.sec-head{max-width:760px;margin-bottom:var(--s5);}
.sec-head h2{font-size:clamp(26px,3vw,36px);letter-spacing:-.01em;}
.sec-head p{margin-top:14px;color:var(--muted);font-size:16px;}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:700;letter-spacing:.06em;
  color:var(--brand);background:rgba(91,63,243,.08);
  border:1px solid rgba(91,63,243,.18);
  border-radius:999px;padding:6px 14px;margin-bottom:18px;
}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:1040;
  background:rgba(255,255,255,.92);
  border-bottom:1px solid transparent;
  transition:box-shadow .25s ease,border-color .25s ease,background .25s ease;
  backdrop-filter:blur(6px);
}
.site-header.is-stuck{box-shadow:0 8px 24px rgba(23,18,58,.08);border-color:var(--line);}
.header-inner{display:flex;align-items:center;gap:var(--s3);min-height:72px;}
.brand{display:inline-flex;align-items:center;gap:10px;color:var(--ink);font-weight:800;}
.brand:hover{color:var(--ink);}
.brand-mark{
  width:34px;height:34px;border-radius:12px;
  display:inline-flex;align-items:center;justify-content:center;
  background:var(--grad);color:#fff;font-size:15px;
  box-shadow:0 6px 16px rgba(91,63,243,.28);
}
.brand-name{font-size:18px;letter-spacing:.01em;white-space:nowrap;}
.nav-links{display:flex;align-items:center;gap:6px;margin-left:var(--s2);flex:1;}
.nav-link{
  position:relative;color:var(--muted);font-size:15px;font-weight:500;
  padding:9px 14px;border-radius:999px;
}
.nav-link:hover{color:var(--brand);background:rgba(91,63,243,.07);}
.nav-link.is-active{color:var(--brand);font-weight:700;background:rgba(91,63,243,.1);}
.nav-link.is-active::after{
  content:"";position:absolute;left:50%;transform:translateX(-50%);
  bottom:-1px;width:22px;height:3px;border-radius:3px;background:var(--grad);
}
.header-actions{display:flex;align-items:center;gap:12px;}
.nav-search{
  display:flex;align-items:center;gap:8px;
  background:#F7F6FC;border:1px solid var(--line);border-radius:999px;
  padding:8px 16px;transition:border-color .2s ease,box-shadow .2s ease;
}
.nav-search i{color:var(--faint);font-size:13px;}
.nav-search input{
  border:0;background:transparent;outline:none;width:150px;
  font-size:14px;color:var(--ink);
}
.nav-search input::placeholder{color:var(--faint);}
.nav-search:focus-within{border-color:var(--brand);box-shadow:0 0 0 4px rgba(91,63,243,.14);}
.link-login{font-size:15px;color:var(--muted);font-weight:500;padding:8px 4px;}
.link-login:hover{color:var(--brand);}
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:999px;font-weight:700;border:1px solid transparent;
  padding:11px 22px;font-size:15px;cursor:pointer;
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease,background .18s ease,color .18s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(91,63,243,.26);}
.btn-primary:hover{color:#fff;filter:brightness(1.06);transform:translateY(-1px);box-shadow:var(--sh-h);}
.btn-primary:active{transform:translateY(1px);filter:brightness(.96);}
.btn-ghost{background:#fff;color:var(--brand);border-color:rgba(91,63,243,.34);}
.btn-ghost:hover{color:var(--brand);background:rgba(91,63,243,.06);transform:translateY(-1px);box-shadow:var(--sh);}
.btn-ghost:active{transform:translateY(1px);}
.btn-light{background:#fff;color:var(--deep);}
.btn-light:hover{color:var(--deep);transform:translateY(-1px);box-shadow:0 14px 30px rgba(23,18,58,.18);}
.btn-sm{padding:9px 18px;font-size:14px;}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--r-sm);
  background:#fff;border:1px solid var(--line);color:var(--brand);font-size:16px;
}
.drawer-mask{
  position:fixed;inset:0;background:rgba(23,18,58,.42);
  opacity:0;visibility:hidden;transition:opacity .25s ease,visibility .25s ease;z-index:1050;
}
.drawer-mask.is-open{opacity:1;visibility:visible;}
.mobile-drawer{
  position:fixed;top:0;right:0;height:100%;width:min(320px,86vw);
  background:#fff;z-index:1060;padding:24px;
  transform:translateX(102%);transition:transform .28s ease;
  box-shadow:-14px 0 40px rgba(23,18,58,.16);
  display:flex;flex-direction:column;gap:var(--s3);overflow-y:auto;
}
.mobile-drawer.is-open{transform:translateX(0);}
.drawer-head{display:flex;align-items:center;justify-content:space-between;}
.drawer-close{width:38px;height:38px;border-radius:var(--r-sm);border:1px solid var(--line);background:#fff;color:var(--muted);}
.drawer-nav{display:flex;flex-direction:column;gap:6px;}
.drawer-nav a{
  padding:12px 14px;border-radius:var(--r-sm);color:var(--muted);font-size:15px;font-weight:500;
  border:1px solid transparent;
}
.drawer-nav a:hover{background:#F7F6FC;color:var(--brand);}
.drawer-nav a.is-active{background:rgba(91,63,243,.1);color:var(--brand);font-weight:700;}
.drawer-search{display:flex;align-items:center;gap:8px;background:#F7F6FC;border:1px solid var(--line);border-radius:var(--r-sm);padding:10px 14px;}
.drawer-search input{border:0;background:transparent;outline:none;width:100%;font-size:14px;}

/* ---------- 面包屑 ---------- */
.crumbs{font-size:13px;color:var(--faint);padding:22px 0 0;}
.crumbs a{color:var(--faint);}
.crumbs a:hover{color:var(--brand);}
.crumbs .sep{margin:0 8px;color:#C9C4DE;}
.crumbs .current{color:var(--muted);}

/* ---------- 分类首屏 ---------- */
.page-hero{
  position:relative;overflow:hidden;border-radius:0 0 var(--r-xl) var(--r-xl);
  background-image:linear-gradient(104deg,rgba(23,18,58,.9) 0%,rgba(91,63,243,.78) 52%,rgba(18,198,167,.62) 100%),url(/assets/images/backpic/back-2.webp);
  background-size:cover;background-position:center;
  color:#fff;padding:64px 0 72px;
}
.page-hero h1{color:#fff;font-size:clamp(32px,4.2vw,50px);letter-spacing:-.02em;margin:14px 0 16px;max-width:16em;}
.page-hero p.lead{color:rgba(255,255,255,.84);font-size:16px;max-width:640px;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
  border-radius:999px;padding:7px 15px;color:#fff;
}
.page-hero .hero-grid{display:grid;grid-template-columns:1.35fr .9fr;gap:var(--s5);align-items:center;}
.hero-panel{
  background:rgba(255,255,255,.1);border:1px solid rgba(255,255,255,.22);
  border-radius:var(--r-xl);padding:24px;
}
.hero-panel h3{color:#fff;font-size:18px;margin-bottom:12px;}
.hero-panel ul{display:flex;flex-direction:column;gap:10px;}
.hero-panel li{display:flex;gap:10px;font-size:14px;color:rgba(255,255,255,.86);}
.hero-panel li i{color:#8CF3DD;margin-top:4px;font-size:12px;}
.hero-cta{display:flex;flex-wrap:wrap;gap:14px;margin-top:26px;}
.hero-note{margin-top:18px;font-size:13px;color:rgba(255,255,255,.72);}

/* ---------- 交替图文长条 ---------- */
.stack-list{display:flex;flex-direction:column;gap:var(--s3);}
.feature-row{
  display:grid;grid-template-columns:1fr 1fr;gap:0;align-items:stretch;
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-xl);
  overflow:hidden;box-shadow:var(--sh);transition:box-shadow .25s ease,transform .25s ease;
}
.feature-row:hover{box-shadow:var(--sh-h);transform:translateY(-2px);}
.feature-row .fr-media{position:relative;min-height:280px;background:var(--grad);}
.feature-row .fr-media img{width:100%;height:100%;object-fit:cover;}
.feature-row .fr-body{padding:34px 36px;display:flex;flex-direction:column;justify-content:center;}
.feature-row.is-reverse .fr-media{order:2;}
.feature-index{
  display:inline-flex;align-items:center;justify-content:center;
  width:46px;height:46px;border-radius:14px;
  background:rgba(91,63,243,.1);border:1px solid rgba(91,63,243,.22);
  color:var(--brand);font-weight:800;font-size:17px;letter-spacing:.02em;
  margin-bottom:16px;
}
.feature-row h3{font-size:22px;margin-bottom:12px;}
.feature-row p{color:var(--muted);font-size:15px;max-width:620px;}
.tag-line{display:flex;flex-wrap:wrap;gap:10px;margin-top:18px;}
.tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:13px;font-weight:600;color:#0E8E79;
  background:rgba(18,198,167,.12);border:1px solid rgba(18,198,167,.35);
  border-radius:999px;padding:5px 13px;
}
.tag.is-plain{color:var(--muted);background:#F7F6FC;border-color:var(--line);}

/* ---------- 数据徽章条 ---------- */
.badge-strip{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-xl);
  box-shadow:var(--sh);padding:30px;display:grid;grid-template-columns:repeat(4,1fr);gap:var(--s3);
}
.badge-item{display:flex;flex-direction:column;gap:6px;padding-left:18px;border-left:2px solid rgba(18,198,167,.4);}
.badge-item strong{font-size:clamp(24px,3vw,32px);font-weight:700;letter-spacing:.02em;color:var(--ink);}
.badge-item span{font-size:14px;color:var(--muted);}

/* ---------- 核对要点双栏 ---------- */
.check-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--s3);}
.check-card{
  background:var(--card);border:1px solid var(--line);border-radius:var(--r-xl);
  padding:30px;box-shadow:var(--sh);
}
.check-card h3{font-size:20px;margin-bottom:16px;display:flex;align-items:center;gap:10px;}
.check-card h3 i{color:var(--brand);font-size:16px;}
.check-card ul{display:flex;flex-direction:column;gap:12px;}
.check-card li{display:flex;gap:12px;font-size:15px;color:var(--muted);}
.check-card li i{color:var(--mint);margin-top:5px;font-size:13px;}
.check-card.is-deep{background:var(--deep);border-color:rgba(255,255,255,.12);}
.check-card.is-deep h3,.check-card.is-deep li{color:#fff;}
.check-card.is-deep li{color:rgba(255,255,255,.74);}
.check-card.is-deep h3 i{color:#8CF3DD;}

/* ---------- CTA 区块 ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:var(--grad);color:#fff;padding:52px 44px;
  display:grid;grid-template-columns:1.4fr auto;gap:var(--s4);align-items:center;
  box-shadow:0 20px 46px rgba(91,63,243,.24);
}
.cta-band h2{color:#fff;font-size:clamp(24px,3vw,32px);letter-spacing:-.01em;}
.cta-band p{color:rgba(255,255,255,.86);margin-top:12px;font-size:15px;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:12px;}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--deep);color:rgba(255,255,255,.72);margin-top:var(--s7);padding-top:64px;}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:var(--s4);padding-bottom:48px;}
.site-footer .brand{color:#fff;}
.site-footer .brand:hover{color:#fff;}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.8;color:rgba(255,255,255,.62);max-width:340px;}
.footer-col h4{color:#fff;font-size:15px;margin-bottom:16px;}
.footer-col ul{display:flex;flex-direction:column;gap:10px;}
.footer-col a{color:rgba(255,255,255,.66);font-size:14px;}
.footer-col a:hover{color:#fff;}
.footer-list-static{font-size:14px;color:rgba(255,255,255,.6);}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 24px 30px;
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ---------- 固定转化条 ---------- */
.float-card{
  position:fixed;right:24px;bottom:24px;z-index:1030;
  width:320px;background:#fff;border-radius:var(--r-xl);
  border:1px solid var(--line);box-shadow:0 18px 44px rgba(23,18,58,.18);
  padding:20px;display:flex;flex-direction:column;gap:12px;
}
.float-card::before{
  content:"";position:absolute;inset:0;border-radius:var(--r-xl);
  padding:1px;background:var(--grad);
  -webkit-mask:linear-gradient(#000 0 0) content-box,linear-gradient(#000 0 0);
  -webkit-mask-composite:xor;mask-composite:exclude;pointer-events:none;
}
.float-card p{font-size:14px;color:var(--muted);}
.float-card .btn{width:100%;}
.float-close{
  position:absolute;top:10px;right:12px;border:0;background:transparent;
  color:var(--faint);font-size:14px;cursor:pointer;line-height:1;
}
.float-close:hover{color:var(--brand);}
body{padding-bottom:0;}

@media (max-width:1199.98px){
  .badge-strip{grid-template-columns:repeat(2,1fr);}
}
@media (max-width:991.98px){
  :root{--sec-pad:64px;}
  .nav-links,.nav-search,.link-login{display:none;}
  .nav-toggle{display:inline-flex;align-items:center;justify-content:center;}
  .header-actions .btn-primary{display:none;}
  .page-hero .hero-grid{grid-template-columns:1fr;}
  .feature-row{grid-template-columns:1fr;}
  .feature-row.is-reverse .fr-media{order:0;}
  .feature-row .fr-media{min-height:220px;}
  .feature-row .fr-body{padding:26px;}
  .check-grid{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;padding:40px 28px;}
  .footer-grid{grid-template-columns:1fr 1fr;}
  .float-card{
    right:0;left:0;bottom:0;width:100%;border-radius:0;padding:14px 18px 16px;
    flex-direction:row;align-items:center;gap:14px;
    border-left:0;border-right:0;border-bottom:0;
  }
  .float-card p{flex:1;font-size:13px;line-height:1.5;}
  .float-card .btn{width:auto;flex:0 0 auto;padding:10px 18px;font-size:14px;}
  .float-close{display:none;}
  body{padding-bottom:80px;}
}
@media (max-width:575.98px){
  :root{--sec-pad:56px;}
  .shell{padding:0 18px;}
  body{font-size:15px;}
  .page-hero{padding:44px 0 52px;}
  .badge-strip{grid-template-columns:1fr;padding:22px;}
  .badge-item{padding-left:14px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .footer-bottom{flex-direction:column;gap:8px;}
  .cta-band{padding:32px 22px;}
  .feature-row .fr-body{padding:22px;}
}

/* roulang page: category3 */
:root{
  --primary:#5B3FF3;
  --primary-2:#7B5CFF;
  --accent:#12C6A7;
  --accent-dark:#0E9C83;
  --warn:#FF7A45;
  --bg:#F4F3FA;
  --card:#FFFFFF;
  --deep:#17123A;
  --text:#1B1633;
  --text-2:#5C5679;
  --text-3:#8D88A3;
  --border:#E5E2F2;
  --brand-grad:linear-gradient(118deg,#5B3FF3 0%,#7B5CFF 42%,#12C6A7 100%);
  --r-lg:22px;
  --r-md:16px;
  --r-sm:12px;
  --r-full:999px;
  --sh:0 10px 30px rgba(23,18,58,.08);
  --sh-hover:0 16px 40px rgba(91,63,243,.16);
  --s1:8px; --s2:16px; --s3:24px; --s4:32px; --s5:48px; --s6:64px; --s7:96px;
  --section-y:88px;
  --card-pad:28px;
  --font:-apple-system,"PingFang SC","HarmonyOS Sans SC","Microsoft YaHei",sans-serif;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:var(--font);
  font-size:16px;
  line-height:1.75;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:var(--primary);text-decoration:none;transition:color .2s ease}
a:hover{color:var(--primary-2)}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:700;color:var(--text)}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
button{font-family:inherit}
input{font-family:inherit}
:focus-visible{outline:2px solid var(--primary);outline-offset:2px}

.shell{width:100%;max-width:1200px;margin:0 auto;padding:0 20px}
.section{padding:var(--section-y) 0}
.section--muted{background:#FFFFFF}
.section-head{max-width:760px;margin:0 auto var(--s5);text-align:center}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;color:var(--accent-dark);
  background:rgba(18,198,167,.12);
  border:1px solid rgba(18,198,167,.35);
  border-radius:var(--r-full);
  padding:5px 14px;margin-bottom:var(--s2);
}
.section-head h2{font-size:clamp(26px,3vw,36px);margin-bottom:var(--s2)}
.section-head p{color:var(--text-2);font-size:16px}

/* 按钮 */
.btn-main,.btn-line,.btn-login,.btn-soft{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  border-radius:var(--r-full);
  font-weight:600;font-size:15px;
  padding:12px 26px;border:1px solid transparent;
  cursor:pointer;white-space:nowrap;
  transition:transform .18s ease,filter .18s ease,box-shadow .18s ease,background-color .18s ease,color .18s ease;
}
.btn-main{background:var(--brand-grad);color:#fff;box-shadow:0 10px 24px rgba(91,63,243,.28)}
.btn-main:hover{color:#fff;filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 16px 34px rgba(91,63,243,.34)}
.btn-main:active{transform:translateY(1px);filter:brightness(.96)}
.btn-line{background:#fff;border-color:var(--border);color:var(--text)}
.btn-line:hover{color:var(--primary);border-color:rgba(91,63,243,.45);transform:translateY(-1px);box-shadow:var(--sh)}
.btn-line:active{transform:translateY(1px)}
.btn-soft{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.3)}
.btn-soft:hover{background:rgba(255,255,255,.22);color:#fff;transform:translateY(-1px)}
.btn-login{padding:10px 16px;color:var(--text-2);font-weight:500;background:transparent}
.btn-login:hover{color:var(--primary)}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-main[disabled],.btn-line[disabled]{opacity:.4;cursor:not-allowed;transform:none}
.btn-block{width:100%}

/* 顶部导航 */
.site-header{
  position:sticky;top:0;z-index:1030;
  background:rgba(255,255,255,.86);
  backdrop-filter:blur(8px);
  border-bottom:1px solid var(--border);
  transition:box-shadow .25s ease,background-color .25s ease;
}
.site-header.is-scrolled{box-shadow:0 8px 24px rgba(23,18,58,.08);background:rgba(255,255,255,.92)}
.nav-inner{display:flex;align-items:center;gap:var(--s3);min-height:70px}
.brand{display:inline-flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:36px;height:36px;border-radius:var(--r-sm);
  background:var(--brand-grad);color:#fff;
  display:grid;place-items:center;font-size:15px;
  box-shadow:0 6px 16px rgba(91,63,243,.28);
}
.brand-name{font-size:17px;font-weight:800;color:var(--text);letter-spacing:.01em}
.nav-links{display:flex;align-items:center;gap:4px}
.nav-link{
  display:block;padding:9px 15px;border-radius:var(--r-full);
  font-size:15px;font-weight:500;color:var(--text-2);
}
.nav-link:hover{color:var(--primary);background:rgba(91,63,243,.08)}
.nav-link.is-active{color:var(--primary);background:rgba(91,63,243,.10);font-weight:600}
.nav-right{margin-left:auto;display:flex;align-items:center;gap:10px}
.nav-search{position:relative;display:flex;align-items:center}
.nav-search i{position:absolute;left:14px;font-size:13px;color:var(--text-3);pointer-events:none}
.nav-search input{
  width:210px;height:40px;border-radius:var(--r-full);
  border:1px solid var(--border);background:#FBFAFF;
  padding:0 16px 0 36px;font-size:14px;color:var(--text);
  transition:border-color .2s ease,box-shadow .2s ease,background-color .2s ease;
}
.nav-search input::placeholder{color:var(--text-3)}
.nav-search input:focus{outline:none;border-color:var(--primary);background:#fff;box-shadow:0 0 0 4px rgba(91,63,243,.12)}
.nav-toggle{
  display:none;width:42px;height:42px;border-radius:var(--r-sm);
  border:1px solid var(--border);background:#fff;color:var(--text);
  align-items:center;justify-content:center;font-size:16px;
}
.nav-toggle:hover{border-color:rgba(91,63,243,.45);color:var(--primary)}

/* 抽屉 */
.drawer{
  position:fixed;top:0;right:0;width:304px;max-width:86vw;height:100%;
  background:#fff;z-index:1060;padding:var(--s3);
  transform:translateX(104%);transition:transform .3s ease;
  overflow-y:auto;box-shadow:-12px 0 40px rgba(23,18,58,.16);
}
.drawer.is-open{transform:none}
.drawer-head{display:flex;align-items:center;justify-content:space-between;margin-bottom:var(--s3)}
.drawer-close{width:38px;height:38px;border-radius:var(--r-sm);border:1px solid var(--border);background:#fff;color:var(--text-2)}
.drawer-close:hover{color:var(--primary);border-color:rgba(91,63,243,.45)}
.drawer-nav{display:flex;flex-direction:column;gap:6px;margin-bottom:var(--s3)}
.drawer-nav a{
  padding:11px 14px;border-radius:var(--r-sm);
  font-size:15px;color:var(--text-2);font-weight:500;
}
.drawer-nav a:hover{background:rgba(91,63,243,.08);color:var(--primary)}
.drawer-nav a.is-active{background:rgba(91,63,243,.10);color:var(--primary);font-weight:600}
.drawer-search{position:relative;margin-bottom:var(--s2)}
.drawer-search i{position:absolute;left:14px;top:50%;transform:translateY(-50%);font-size:13px;color:var(--text-3)}
.drawer-search input{width:100%;height:44px;border-radius:var(--r-sm);border:1px solid var(--border);padding:0 16px 0 38px;font-size:14px;background:#FBFAFF}
.drawer-search input:focus{outline:none;border-color:var(--primary);box-shadow:0 0 0 4px rgba(91,63,243,.12);background:#fff}
.drawer-mask{
  position:fixed;inset:0;background:rgba(23,18,58,.45);
  opacity:0;visibility:hidden;transition:opacity .3s ease,visibility .3s ease;z-index:1055;
}
.drawer-mask.is-open{opacity:1;visibility:visible}

/* 首屏 */
.page-hero{position:relative;overflow:hidden;background:var(--deep);color:#fff}
.page-hero::before{
  content:"";position:absolute;inset:0;
  background-image:
    linear-gradient(118deg,rgba(23,18,58,.92) 0%,rgba(91,63,243,.78) 52%,rgba(18,198,167,.62) 100%),
    url('/assets/images/backpic/back-2.webp');
  background-size:cover;background-position:center;
}
.page-hero .shell{position:relative;z-index:1;padding-top:var(--s6);padding-bottom:var(--s5)}
.breadcrumb-line{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.7);margin-bottom:var(--s3);
}
.breadcrumb-line a{color:rgba(255,255,255,.85)}
.breadcrumb-line a:hover{color:#fff}
.breadcrumb-line span.sep{color:rgba(255,255,255,.4)}
.hero-kicker{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;font-weight:600;letter-spacing:.01em;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.28);
  border-radius:var(--r-full);padding:6px 15px;margin-bottom:var(--s3);
}
.hero-kicker i{color:var(--accent)}
.page-hero h1{
  color:#fff;font-size:clamp(32px,4.4vw,52px);font-weight:800;
  line-height:1.2;margin-bottom:var(--s3);max-width:16em;
}
.page-hero .hero-sub{max-width:660px;font-size:17px;color:rgba(255,255,255,.85);margin-bottom:var(--s4)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-bottom:var(--s5)}
.badge-row{display:flex;flex-wrap:wrap;gap:12px}
.stat-badge{
  display:flex;align-items:baseline;gap:9px;
  background:rgba(255,255,255,.10);
  border:1px solid rgba(18,198,167,.5);
  border-radius:var(--r-full);
  padding:10px 20px;
}
.stat-badge b{font-size:20px;font-weight:700;letter-spacing:.02em;color:#fff}
.stat-badge span{font-size:13px;color:rgba(255,255,255,.78)}

/* 时间轴 */
.timeline{display:grid;gap:18px;max-width:920px;margin:0 auto}
.tl-item{
  position:relative;
  display:grid;grid-template-columns:auto 1fr;gap:var(--s3);
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--r-lg);padding:var(--card-pad);
  box-shadow:var(--sh);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.tl-item:hover{transform:translateY(-2px);box-shadow:var(--sh-hover);border-color:rgba(91,63,243,.28)}
.tl-item + .tl-item::before{
  content:"";position:absolute;top:-18px;left:48px;height:18px;
  border-left:2px dashed var(--border);
}
.tl-num{
  width:52px;height:52px;border-radius:var(--r-md);
  background:var(--brand-grad);color:#fff;
  display:grid;place-items:center;font-size:17px;font-weight:700;
  letter-spacing:.02em;box-shadow:0 8px 20px rgba(91,63,243,.26);
}
.tl-body h3{font-size:20px;margin-bottom:8px}
.tl-body p{color:var(--text-2);font-size:15px}
.tl-meta{
  display:inline-flex;align-items:center;gap:8px;
  margin-top:12px;font-size:13px;color:var(--accent-dark);
  background:rgba(18,198,167,.1);border:1px solid rgba(18,198,167,.3);
  border-radius:var(--r-full);padding:4px 12px;
}

/* 双栏对比 */
.compare-grid{display:grid;grid-template-columns:1fr 1fr;gap:var(--s3)}
.compare-card{
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--r-lg);padding:var(--card-pad);box-shadow:var(--sh);
}
.compare-card h3{font-size:20px;margin-bottom:6px}
.compare-card .compare-tag{
  display:inline-flex;align-items:center;gap:6px;
  font-size:12px;font-weight:600;color:var(--primary);
  background:rgba(91,63,243,.1);border:1px solid rgba(91,63,243,.28);
  border-radius:var(--r-full);padding:3px 11px;margin-bottom:14px;
}
.compare-card > p{color:var(--text-2);font-size:15px;margin-bottom:var(--s2)}
.compare-list li{
  display:flex;gap:12px;align-items:flex-start;
  padding:12px 0;border-top:1px solid var(--border);
  font-size:15px;color:var(--text-2);
}
.compare-list li:first-child{border-top:0}
.compare-list i{margin-top:4px;font-size:14px;color:var(--accent);flex-shrink:0}
.compare-list strong{color:var(--text);font-weight:600}
.compare-card.is-deep{
  background:var(--deep);border-color:rgba(255,255,255,.12);color:#fff;
}
.compare-card.is-deep h3{color:#fff}
.compare-card.is-deep > p{color:rgba(255,255,255,.72)}
.compare-card.is-deep .compare-tag{color:#fff;background:rgba(255,255,255,.12);border-color:rgba(255,255,255,.28)}
.compare-card.is-deep .compare-list li{border-top-color:rgba(255,255,255,.14);color:rgba(255,255,255,.78)}
.compare-card.is-deep .compare-list strong{color:#fff}
.compare-card.is-deep .compare-list i{color:var(--accent)}

/* 资讯卡片（静态展示） */
.insight-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:var(--s3)}
.insight-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--card);border:1px solid var(--border);
  border-radius:var(--r-lg);box-shadow:var(--sh);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.insight-card:hover{transform:translateY(-3px);box-shadow:var(--sh-hover);border-color:rgba(91,63,243,.28)}
.insight-thumb{aspect-ratio:16/9;overflow:hidden;background:var(--brand-grad)}
.insight-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease}
.insight-card:hover .insight-thumb img{transform:scale(1.05)}
.insight-body{display:flex;flex-direction:column;gap:10px;padding:22px 24px 24px;flex:1}
.tag-pill{
  align-self:flex-start;font-size:12px;font-weight:600;
  color:var(--accent-dark);background:rgba(18,198,167,.12);
  border:1px solid rgba(18,198,167,.35);
  border-radius:var(--r-full);padding:4px 12px;
}
.insight-body h3{font-size:19px;line-height:1.35}
.insight-body p{color:var(--text-3);font-size:15px}
.insight-foot{
  margin-top:auto;display:flex;align-items:center;justify-content:space-between;
  gap:12px;padding-top:14px;border-top:1px solid var(--border);
  font-size:13px;color:var(--text-3);
}
.insight-foot a{font-weight:600;font-size:14px}

/* FAQ */
.faq-wrap{max-width:860px;margin:0 auto}
.faq .accordion-item{
  border:1px solid var(--border);border-radius:var(--r-md);
  background:#fff;margin-bottom:14px;overflow:hidden;box-shadow:var(--sh);
}
.faq .accordion-button{
  font-size:17px;font-weight:700;color:var(--text);
  padding:20px 24px;background:#fff;box-shadow:none;gap:16px;
}
.faq .accordion-button:not(.collapsed){color:var(--primary);background:rgba(91,63,243,.05)}
.faq .accordion-button:focus{box-shadow:0 0 0 4px rgba(91,63,243,.12);outline:none;border-radius:var(--r-md)}
.faq .accordion-button::after{
  width:26px;height:26px;flex-shrink:0;
  background-image:url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' viewBox='0 0 16 16' fill='%235B3FF3'%3E%3Cpath d='M7.1 2.6a.9.9 0 0 1 1.8 0v4.5h4.5a.9.9 0 1 1 0 1.8H8.9v4.5a.9.9 0 1 1-1.8 0V8.9H2.6a.9.9 0 1 1 0-1.8h4.5V2.6z'/%3E%3C/svg%3E");
  background-color:rgba(91,63,243,.10);
  background-repeat:no-repeat;background-position:center;background-size:14px;
  border-radius:50%;
  transition:transform .25s ease,background-color .25s ease;
}
.faq .accordion-button:not(.collapsed)::after{
  transform:rotate(135deg);background-color:rgba(91,63,243,.16);
}
.faq .accordion-body{
  padding:4px 24px 22px;color:var(--text-2);font-size:15px;
  background:rgba(244,243,250,.7);
}

/* CTA */
.cta-band{
  position:relative;overflow:hidden;
  background:var(--deep);border-radius:var(--r-lg);
  padding:var(--s6) var(--card-pad);color:#fff;
  box-shadow:var(--sh);
}
.cta-band::after{
  content:"";position:absolute;right:-120px;top:-120px;width:380px;height:380px;
  border-radius:50%;background:var(--brand-grad);opacity:.32;filter:blur(10px);
}
.cta-inner{
  position:relative;z-index:1;
  display:grid;grid-template-columns:1.4fr auto;gap:var(--s5);align-items:center;
}
.cta-inner h2{color:#fff;font-size:clamp(26px,3vw,34px);margin-bottom:12px}
.cta-inner p{color:rgba(255,255,255,.78);font-size:16px;max-width:620px}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px}

/* 页脚 */
.site-footer{background:var(--deep);color:rgba(255,255,255,.72);padding:var(--s6) 0 var(--s3);margin-top:var(--section-y)}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:var(--s4);padding-bottom:var(--s4);
  border-bottom:1px solid rgba(255,255,255,.12);
}
.footer-brand .brand-name{color:#fff}
.footer-brand p{margin-top:var(--s2);font-size:14px;color:rgba(255,255,255,.62);max-width:340px}
.footer-col h4{font-size:15px;color:#fff;margin-bottom:var(--s2);font-weight:700}
.footer-col ul{display:grid;gap:10px}
.footer-col a,.footer-list-static{font-size:14px;color:rgba(255,255,255,.62)}
.footer-col a:hover{color:var(--accent)}
.footer-bottom{
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:10px;
  padding-top:var(--s3);font-size:13px;color:rgba(255,255,255,.5);
}

/* 悬浮转化条 */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:1040;
  display:flex;align-items:center;gap:18px;max-width:430px;
  padding:16px 18px;border-radius:var(--r-lg);
  border:1px solid transparent;
  background:linear-gradient(#fff,#fff) padding-box,var(--brand-grad) border-box;
  box-shadow:0 18px 44px rgba(23,18,58,.18);
}
.float-cta p{font-size:14px;color:var(--text-2);line-height:1.6}
.float-cta .float-close{
  position:absolute;top:8px;right:10px;width:26px;height:26px;
  border:0;background:transparent;color:var(--text-3);font-size:13px;line-height:1;
}
.float-cta .float-close:hover{color:var(--warn)}
.float-cta.is-hidden{display:none}

/* 响应式 */
@media (max-width:1199px){
  :root{--section-y:64px}
  .nav-links,.nav-search{display:none}
  .nav-toggle{display:inline-flex}
}
@media (max-width:991px){
  .insight-grid{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr}
  .cta-inner{grid-template-columns:1fr;gap:var(--s3)}
  .compare-grid{grid-template-columns:1fr}
}
@media (max-width:767px){
  :root{--section-y:56px;--card-pad:20px}
  body{font-size:15px;padding-bottom:96px}
  .page-hero .shell{padding-top:var(--s5)}
  .page-hero .hero-sub{font-size:16px}
  .hero-actions .btn-main,.hero-actions .btn-line{flex:1 1 auto}
  .timeline{gap:14px}
  .tl-item{grid-template-columns:1fr;gap:14px}
  .tl-item + .tl-item::before{display:none}
  .tl-num{width:44px;height:44px;font-size:15px;border-radius:var(--r-sm)}
  .insight-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr;gap:var(--s3)}
  .footer-bottom{flex-direction:column}
  .float-cta{
    left:0;right:0;bottom:0;max-width:none;border-radius:0;
    background:var(--brand-grad);border:0;box-shadow:0 -8px 30px rgba(23,18,58,.28);
    padding:14px 16px;gap:12px;
  }
  .float-cta p{color:#fff}
  .float-cta .float-close{color:rgba(255,255,255,.8);position:static;order:-1;flex-shrink:0}
  .float-cta .btn-main{background:#fff;color:var(--primary);box-shadow:none;flex-shrink:0;padding:10px 16px;font-size:14px}
  .float-cta .btn-main:hover{color:var(--primary);filter:none;transform:none}
}
@media (max-width:520px){
  .nav-search{display:none}
  .btn-login{display:none}
  .stat-badge{padding:8px 14px}
  .stat-badge b{font-size:18px}
}