/* roulang page: index */
:root{
  --brand:#5B2BD9;
  --brand-deep:#4F23C9;
  --brand-light:#7A3BFF;
  --brand-pink:#FF5AA0;
  --ink:#170F2E;
  --mint:#16C79A;
  --amber:#FFB300;
  --bg:#F7F5FC;
  --card:#FFFFFF;
  --border:#ECE8F6;
  --text:#1E1A2E;
  --muted:#6B6580;
  --grad:linear-gradient(135deg,#4F23C9 0%,#7A3BFF 45%,#FF5AA0 100%);
  --grad-soft:linear-gradient(135deg,rgba(79,35,201,.10) 0%,rgba(255,90,160,.12) 100%);
  --sh-1:0 8px 24px rgba(74,32,160,.08);
  --sh-2:0 16px 40px rgba(74,32,160,.16);
  --sh-3:0 24px 56px rgba(122,59,255,.20);
  --r-sm:14px;
  --r-md:20px;
  --r-lg:24px;
  --r-xl:32px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  padding-bottom:0;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,box-shadow .2s ease,transform .2s ease}
a:focus-visible,button:focus-visible,input:focus-visible{
  outline:2px solid var(--brand);outline-offset:2px;border-radius:6px;
}
button{font-family:inherit;cursor:pointer;border:none;background:none;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:800;letter-spacing:-.2px}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.sec-pad{padding:88px 0}
.num{font-variant-numeric:tabular-nums}

/* ---------- 按钮 ---------- */
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:13px 26px;border-radius:999px;
  background:var(--grad);color:#fff;font-size:15px;font-weight:700;
  box-shadow:0 10px 26px rgba(122,59,255,.28);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-brand:hover{transform:translateY(-2px);box-shadow:0 18px 38px rgba(122,59,255,.36);filter:saturate(1.05)}
.btn-brand:active{transform:translateY(0);box-shadow:0 8px 18px rgba(122,59,255,.3)}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  padding:12px 24px;border-radius:999px;background:#fff;color:var(--brand);
  border:1px solid var(--border);font-size:15px;font-weight:700;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease,background .2s ease;
}
.btn-ghost:hover{transform:translateY(-2px);border-color:#D9CDFA;box-shadow:var(--sh-2);background:#FBF9FF}
.btn-sm{padding:10px 20px;font-size:14px}
.btn-line{
  display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:700;color:var(--brand);
}
.btn-line:hover{gap:12px}

/* ---------- 标签 / 徽章 ---------- */
.pill{
  display:inline-flex;align-items:center;gap:6px;
  padding:7px 16px;border-radius:999px;font-size:14px;font-weight:600;
  background:#F1EDFB;color:#4A2596;border:1px solid transparent;white-space:nowrap;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.pill:hover{background:#E8E1FB;transform:translateY(-1px)}
.pill-active{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(122,59,255,.26)}
.pill-active:hover{background:var(--grad);color:#fff}
.chip-cat{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:999px;font-size:12px;font-weight:700;
  background:#F1EDFB;color:#5B2BD9;
}
.chip-cat:hover{background:var(--brand);color:#fff}
.tag-amber{
  display:inline-flex;align-items:center;gap:5px;padding:4px 12px;border-radius:999px;
  background:rgba(255,179,0,.18);color:#8A5B00;font-size:12px;font-weight:800;border:1px solid rgba(255,179,0,.45);
}
.badge-num{
  background:rgba(255,255,255,.94);border-radius:18px;padding:12px 16px;
  border:1px solid transparent;
  background-image:linear-gradient(#fff,#fff),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box;
  box-shadow:var(--sh-2);
  display:flex;align-items:center;gap:10px;
}
.badge-num .n{font-size:24px;font-weight:800;line-height:1;color:var(--brand);font-variant-numeric:tabular-nums}
.badge-num .t{font-size:12px;color:var(--muted);font-weight:600;line-height:1.3}

/* ---------- 卡片 ---------- */
.card-soft{
  background:var(--card);border:1px solid var(--border);border-radius:var(--r-lg);
  box-shadow:var(--sh-1);transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.card-soft:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#DED3FA}
.card-lg{border-radius:var(--r-xl)}
.empty-card{
  display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:56px 24px;border-radius:var(--r-lg);background:#fff;border:1px dashed #D9CDFA;text-align:center;
}
.empty-card i{font-size:26px;color:var(--brand)}
.empty-card p{color:var(--muted);font-size:15px}

/* ---------- 头部导航 ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;transition:box-shadow .2s ease}
.site-header.scrolled{box-shadow:0 6px 22px rgba(74,32,160,.10);border-bottom:1px solid var(--border)}
.topbar{background:#fff}
.header-inner{display:flex;align-items:center;gap:20px;height:72px;transition:height .2s ease}
.site-header.scrolled .header-inner{height:64px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:17px;
  box-shadow:0 8px 20px rgba(122,59,255,.32);
}
.brand-name{font-size:17px;font-weight:800;letter-spacing:-.3px;white-space:nowrap}
.brand-pill{
  font-size:11px;font-weight:800;padding:3px 9px;border-radius:999px;
  background:rgba(91,43,217,.10);color:var(--brand);border:1px solid rgba(91,43,217,.18);
}
.search-box{
  flex:1;max-width:420px;display:flex;align-items:center;gap:10px;
  background:#fff;border:1px solid var(--border);border-radius:999px;padding:9px 18px;
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box i{color:#9A93B0;font-size:14px}
.search-box input{border:none;outline:none;background:transparent;font-size:14px;width:100%;color:var(--text)}
.search-box input::placeholder{color:#A9A2BE}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(122,59,255,.18)}
.header-actions{display:flex;align-items:center;gap:16px;margin-left:auto;flex-shrink:0}
.link-quiet{font-size:14px;font-weight:600;color:var(--muted)}
.link-quiet:hover{color:var(--brand)}
.channelbar{border-top:1px solid #F4F1FB;background:#fff}
.channel-inner{display:flex;align-items:center;gap:10px;height:52px;overflow-x:auto;scrollbar-width:none}
.channel-inner::-webkit-scrollbar{display:none}
.tab-pill{
  display:inline-flex;align-items:center;gap:7px;padding:8px 18px;border-radius:999px;
  font-size:14px;font-weight:700;background:#F1EDFB;color:#43228F;white-space:nowrap;
  transition:background .2s ease,color .2s ease,box-shadow .2s ease,transform .2s ease;
}
.tab-pill:hover{background:#E8E1FB;transform:translateY(-1px)}
.tab-pill.pill-active{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(122,59,255,.26)}

/* ---------- 锚点浮条 ---------- */
.anchor-strip{
  position:sticky;top:124px;z-index:40;background:rgba(247,245,252,.92);
  backdrop-filter:blur(8px);border-bottom:1px solid var(--border);
}
.site-header.scrolled ~ .anchor-strip{top:116px}
.anchor-inner{display:flex;gap:10px;align-items:center;height:56px;overflow-x:auto;scrollbar-width:none}
.anchor-inner::-webkit-scrollbar{display:none}
.anchor-link{
  position:relative;padding:8px 16px 8px 18px;border-radius:999px;font-size:14px;font-weight:700;
  color:#544B70;background:#fff;border:1px solid var(--border);white-space:nowrap;
  transition:all .2s ease;
}
.anchor-link:hover{color:var(--brand);border-color:#D9CDFA}
.anchor-link.active{background:var(--brand);color:#fff;border-color:transparent;box-shadow:0 8px 18px rgba(91,43,217,.24)}
.anchor-link.active::before{
  content:"";position:absolute;left:6px;top:50%;transform:translateY(-50%);
  width:3px;height:16px;border-radius:2px;background:var(--grad);
}

/* ---------- Hero ---------- */
.hero{
  position:relative;overflow:hidden;color:#fff;
  background-image:
    radial-gradient(760px 420px at 12% 8%,rgba(122,59,255,.55),transparent 62%),
    radial-gradient(680px 420px at 88% 92%,rgba(255,90,160,.42),transparent 60%),
    linear-gradient(180deg,rgba(23,15,46,.94),rgba(23,15,46,.90)),
    url('/assets/images/backpic/back-1.webp');
  background-size:cover,cover,cover,cover;
  background-position:center;
}
.hero-grid{
  display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center;
  min-height:640px;padding-top:72px;padding-bottom:44px;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;padding:7px 16px;border-radius:999px;
  background:rgba(255,255,255,.10);border:1px solid rgba(255,255,255,.20);
  font-size:13px;font-weight:600;color:rgba(255,255,255,.88);
}
.hero h1{font-size:44px;line-height:1.25;margin:22px 0 18px;letter-spacing:-1px}
.hero-sub{font-size:17px;line-height:1.85;color:rgba(255,255,255,.76);max-width:560px}
.hero-btns{display:flex;flex-wrap:wrap;gap:14px;margin:30px 0 26px}
.hero-btns .btn-ghost{background:rgba(255,255,255,.10);color:#fff;border-color:rgba(255,255,255,.28);box-shadow:none;backdrop-filter:blur(4px)}
.hero-btns .btn-ghost:hover{background:rgba(255,255,255,.18);border-color:rgba(255,255,255,.5)}
.trust-row{display:flex;flex-wrap:wrap;gap:10px 22px}
.trust-row li{display:flex;align-items:center;gap:8px;font-size:12px;color:rgba(255,255,255,.78);font-weight:600}
.trust-row i{color:var(--mint);font-size:13px}
.hero-media{position:relative}
.hero-frame{
  position:relative;border-radius:var(--r-xl);padding:2px;background:var(--grad);
  box-shadow:0 30px 70px rgba(10,4,28,.5);
}
.hero-frame img{border-radius:30px;aspect-ratio:16/10;object-fit:cover;width:100%}
.badge-float{position:absolute;z-index:3}
.badge-float-a{left:-18px;bottom:38px}
.badge-float-b{right:-14px;top:34px}
.hero-stats{
  display:grid;grid-template-columns:repeat(4,1fr);gap:18px;
  padding-bottom:64px;
}
.hero-stats .stat{
  background:rgba(255,255,255,.08);border:1px solid rgba(255,255,255,.16);
  border-radius:var(--r-lg);padding:18px 20px;
  transition:transform .25s ease,background .25s ease;
}
.hero-stats .stat:hover{transform:translateY(-4px);background:rgba(255,255,255,.14)}
.hero-stats .stat .n{font-size:30px;font-weight:800;line-height:1.1;font-variant-numeric:tabular-nums}
.hero-stats .stat .t{font-size:13px;color:rgba(255,255,255,.72);margin-top:6px}

/* ---------- 通用板块标题 ---------- */
.sec-head{display:flex;justify-content:space-between;align-items:flex-end;gap:24px;margin-bottom:36px}
.sec-head h2{font-size:34px;letter-spacing:-.6px}
.sec-head .desc{margin-top:12px;color:var(--muted);font-size:15px;max-width:620px}
.sec-eyebrow{
  display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:800;
  color:var(--brand);letter-spacing:.6px;text-transform:uppercase;margin-bottom:10px;
}

/* ---------- 卖点交错卡 ---------- */
.sell-item{
  display:grid;grid-template-columns:auto 1fr 300px;gap:32px;align-items:center;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-xl);
  padding:34px 36px;box-shadow:var(--sh-1);margin-bottom:26px;
  transition:transform .25s ease,box-shadow .25s ease;
}
.sell-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.sell-item.reverse{grid-template-columns:300px 1fr auto}
.sell-item.reverse .sell-body{order:2}
.sell-item.reverse .sell-media{order:1}
.sell-item.reverse .sell-num{order:3}
.sell-num{
  font-size:64px;font-weight:800;line-height:1;
  color:transparent;-webkit-text-stroke:2px rgba(122,59,255,.55);
  font-variant-numeric:tabular-nums;
}
.sell-icon{
  width:46px;height:46px;border-radius:14px;background:var(--grad-soft);color:var(--brand);
  display:flex;align-items:center;justify-content:center;font-size:19px;margin-bottom:16px;
}
.sell-body h3{font-size:21px;margin-bottom:12px}
.sell-body p{color:var(--muted);font-size:15px;line-height:1.85}
.sell-tags{display:flex;flex-wrap:wrap;gap:8px;margin-top:16px}
.sell-media img{border-radius:var(--r-lg);aspect-ratio:4/3;object-fit:cover;width:100%}

/* ---------- 演示区 ---------- */
.demo-wrap{
  background:#F3EEFF;border-radius:var(--r-xl);padding:40px;position:relative;
  border:1px solid #E7DEFB;
}
.demo-tabs{display:flex;gap:10px;flex-wrap:wrap;margin-bottom:24px}
.demo-visual{border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-2)}
.demo-visual img{aspect-ratio:16/9;object-fit:cover;width:100%}
.demo-points{display:grid;grid-template-columns:repeat(3,1fr);gap:18px;margin-top:26px}
.demo-points li{display:flex;gap:10px;font-size:14px;color:#3C3557;font-weight:600;align-items:flex-start}
.demo-points i{color:var(--mint);margin-top:5px}
.demo-badge{position:absolute;top:26px;right:30px}

/* ---------- 证据区 ---------- */
.proof-grid{display:grid;grid-template-columns:340px 1fr;gap:36px;align-items:start}
.badge-wall{display:grid;grid-template-columns:1fr 1fr;gap:16px}
.badge-wall .b{
  background:#fff;border-radius:var(--r-md);padding:20px;border:1px solid transparent;
  background-image:linear-gradient(#fff,#fff),var(--grad);
  background-origin:border-box;background-clip:padding-box,border-box;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.badge-wall .b:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.badge-wall .b .n{font-size:30px;font-weight:800;color:var(--brand);line-height:1.1;font-variant-numeric:tabular-nums}
.badge-wall .b .t{font-size:12px;color:var(--muted);margin-top:6px;font-weight:600}
.case-scroll{display:flex;gap:18px;overflow-x:auto;padding-bottom:10px;scrollbar-width:none}
.case-scroll::-webkit-scrollbar{display:none}
.case-card{
  min-width:280px;max-width:280px;background:#fff;border:1px solid var(--border);
  border-radius:var(--r-lg);padding:22px;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease;
}
.case-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.case-head{display:flex;align-items:center;gap:12px;margin-bottom:14px}
.case-avatar{width:48px;height:48px;border-radius:50%;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:800;font-size:16px}
.case-card h4{font-size:15px}
.case-card .role{font-size:12px;color:var(--muted)}
.case-card p{font-size:14px;color:#4B4463;line-height:1.8;margin-top:10px}
.stars{color:var(--amber);font-size:12px;margin-top:12px;letter-spacing:2px}
.logo-strip{display:flex;flex-wrap:wrap;gap:14px;margin-top:34px}
.logo-strip span{
  font-size:13px;font-weight:700;color:#8E87A4;border:1px solid var(--border);
  border-radius:999px;padding:8px 18px;filter:grayscale(1);opacity:.6;transition:all .25s ease;
}
.logo-strip span:hover{filter:none;opacity:1;color:var(--brand);border-color:#D9CDFA}

/* ---------- 价格区 ---------- */
.price-switch{display:flex;justify-content:center;gap:8px;margin-bottom:34px}
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;align-items:stretch}
.price-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-xl);
  padding:34px 30px;box-shadow:var(--sh-1);display:flex;flex-direction:column;position:relative;
  transition:transform .25s ease,box-shadow .25s ease;
}
.price-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.price-card.featured{
  padding:3px;background:var(--grad);border:none;transform:translateY(-8px);box-shadow:var(--sh-3);
}
.price-card.featured:hover{transform:translateY(-12px)}
.price-card.featured .inner{background:#fff;border-radius:29px;padding:32px 28px;display:flex;flex-direction:column;flex:1}
.price-name{font-size:16px;font-weight:800;color:var(--brand)}
.price-value{font-size:40px;font-weight:800;margin:14px 0 6px;font-variant-numeric:tabular-nums;letter-spacing:-1px}
.price-value small{font-size:14px;font-weight:600;color:var(--muted);margin-left:6px;letter-spacing:0}
.price-desc{font-size:14px;color:var(--muted);margin-bottom:20px}
.price-feats{display:flex;flex-direction:column;gap:11px;margin-bottom:26px}
.price-feats li{display:flex;gap:10px;font-size:14px;color:#403A57;align-items:flex-start}
.price-feats i{color:var(--mint);margin-top:5px;font-size:13px}
.price-card .btn-brand,.price-card .btn-ghost{margin-top:auto;width:100%}
.price-badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);z-index:2}

/* ---------- 资讯区 ---------- */
.news-card{
  display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);
  border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);height:100%;
  transition:transform .25s ease,box-shadow .25s ease;
}
.news-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.news-cover{overflow:hidden;border-radius:var(--r-md) var(--r-md) 0 0}
.news-cover img{aspect-ratio:16/9;object-fit:cover;width:100%;transition:transform .4s ease}
.news-card:hover .news-cover img{transform:scale(1.04)}
.news-body{padding:20px 22px 22px;display:flex;flex-direction:column;flex:1}
.news-body h3{font-size:17px;margin:12px 0 10px;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s ease}
.news-card:hover h3{color:var(--brand)}
.news-body p{font-size:14px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.news-foot{margin-top:auto;padding-top:16px;display:flex;align-items:center;justify-content:space-between;font-size:12px;color:var(--muted);border-top:1px solid #F4F1FB}
.news-foot .go{color:var(--brand);font-weight:700}
.news-card.big .news-cover img{aspect-ratio:21/9}
.news-card.big h3{font-size:22px;-webkit-line-clamp:2}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:14px}
.faq-item{background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden;position:relative;transition:box-shadow .25s ease,border-color .25s ease}
.faq-item.open{border-color:#DED3FA;box-shadow:var(--sh-2)}
.faq-item.open::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad)}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;font-size:16px;font-weight:700;text-align:left;color:var(--text);
}
.faq-item.open .faq-q{color:#3B1E8F}
.faq-q i{color:var(--brand);transition:transform .3s ease;font-size:14px;flex-shrink:0}
.faq-item.open .faq-q i{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a .inner{max-width:760px;padding:0 24px 24px;color:#4B4463;font-size:15px;line-height:1.85}

/* ---------- 尾部 CTA ---------- */
.tail-cta{
  background:var(--grad);border-radius:var(--r-xl);padding:56px 48px;color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:var(--sh-3);position:relative;overflow:hidden;
}
.tail-cta::after{
  content:"";position:absolute;right:-60px;top:-60px;width:280px;height:280px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.28),transparent 68%);
}
.tail-cta h2{font-size:32px;letter-spacing:-.6px}
.tail-cta p{margin-top:12px;color:rgba(255,255,255,.84);font-size:15px;max-width:560px}
.tail-cta-btns{display:flex;gap:14px;flex-wrap:wrap;position:relative;z-index:2}
.tail-cta .btn-light{background:#fff;color:#4A2596;box-shadow:0 12px 30px rgba(10,4,28,.2)}
.tail-cta .btn-outline{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.4)}

/* ---------- 页脚 ---------- */
.site-footer{background:var(--ink);color:#fff;margin-top:88px;position:relative;padding-top:64px}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad)}
.footer-grid{display:grid;grid-template-columns:1.4fr 1fr 1fr 1.2fr;gap:32px;padding-bottom:48px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:18px}
.footer-brand .brand-name{color:#fff;font-size:17px}
.footer-col h4{font-size:14px;color:rgba(255,255,255,.8);margin-bottom:18px;font-weight:800}
.footer-col p{font-size:14px;color:rgba(255,255,255,.68);line-height:1.85}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col li a{font-size:14px;color:rgba(255,255,255,.68);display:inline-block;transition:color .2s ease,transform .2s ease}
.footer-col li a:hover{color:#fff;transform:translateX(2px)}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social a{
  width:36px;height:36px;border-radius:12px;background:rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.75);font-size:14px;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.footer-social a:hover{background:var(--brand);color:#fff;transform:translateY(-2px)}
.footer-bottom{
  border-top:1px solid rgba(255,255,255,.12);padding:22px 0 26px;
  display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;
  font-size:13px;color:rgba(255,255,255,.56);
}
.footer-bottom a{color:rgba(255,255,255,.7)}
.footer-bottom a:hover{color:#fff}

/* ---------- 浮动 CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:70;
  display:inline-flex;align-items:center;gap:10px;padding:14px 26px;border-radius:999px;
  background:var(--grad);color:#fff;font-weight:800;font-size:15px;
  box-shadow:0 18px 40px rgba(122,59,255,.38);
  opacity:0;transform:translateY(16px);pointer-events:none;
  transition:opacity .3s ease,transform .3s ease,box-shadow .25s ease;
}
.float-cta.show{opacity:1;transform:translateY(0);pointer-events:auto}
.float-cta:hover{transform:translateY(-2px);box-shadow:0 24px 50px rgba(122,59,255,.46)}
.mobile-cta-bar{display:none}

/* ---------- 响应式 ---------- */
@media (max-width:1024px){
  .hero-grid{grid-template-columns:1fr;min-height:auto;padding-top:56px;gap:40px}
  .hero h1{font-size:34px}
  .hero-stats{grid-template-columns:repeat(2,1fr);padding-bottom:48px}
  .sell-item,.sell-item.reverse{grid-template-columns:auto 1fr;gap:24px}
  .sell-item .sell-media{display:none}
  .proof-grid{grid-template-columns:1fr}
  .price-grid{grid-template-columns:1fr;gap:20px}
  .price-card.featured{transform:none}
  .footer-grid{grid-template-columns:1fr 1fr;gap:34px}
  .sec-pad{padding:64px 0}
}
@media (max-width:768px){
  .container{padding:0 20px}
  .search-box{display:none}
  .brand-name{font-size:15px}
  .header-inner{height:64px}
  .site-header.scrolled .header-inner{height:60px}
  .anchor-strip{top:112px}
  .hero h1{font-size:30px}
  .hero-sub{font-size:15px}
  .sec-head{flex-direction:column;align-items:flex-start;gap:12px}
  .sec-head h2{font-size:24px}
  .demo-wrap{padding:24px}
  .demo-points{grid-template-columns:1fr}
  .tail-cta{flex-direction:column;align-items:flex-start;padding:36px 26px}
  .tail-cta h2{font-size:24px}
  .sell-num{font-size:40px}
  .float-cta{display:none}
  .mobile-cta-bar{
    display:flex;position:fixed;left:0;right:0;bottom:0;z-index:70;
    background:rgba(255,255,255,.96);backdrop-filter:blur(10px);
    border-top:1px solid var(--border);padding:8px 16px;gap:14px;align-items:center;height:56px;
    box-shadow:0 -8px 24px rgba(74,32,160,.10);
  }
  .mobile-cta-bar .btn-brand{flex:1;padding:10px 18px;font-size:14px}
  .mobile-cta-bar .alt{font-size:14px;font-weight:700;color:var(--brand);white-space:nowrap}
  body{padding-bottom:72px}
  .site-footer{margin-top:52px;padding-top:48px}
  .footer-bottom{justify-content:center;text-align:center}
  .sec-pad{padding:52px 0}
}
@media (max-width:520px){
  .brand-pill{display:none}
  .hero h1{font-size:26px}
  .hero-stats{grid-template-columns:1fr}
  .badge-wall{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .hero-btns .btn-brand,.hero-btns .btn-ghost{width:100%}
}

/* roulang page: article */
:root{
  --brand:#5B2BD9;
  --brand-dark:#170F2E;
  --brand-grad:linear-gradient(135deg,#4F23C9 0%,#7A3BFF 45%,#FF5AA0 100%);
  --lime:#16C79A;
  --amber:#FFB300;
  --bg:#F7F5FC;
  --card:#FFFFFF;
  --border:#ECE8F6;
  --text:#1E1A2E;
  --muted:#6B6580;
  --soft:#F1EDFB;
  --soft-2:#F3EEFF;
  --r-pill:999px;
  --r-sm:14px;
  --r-img:20px;
  --r-card:24px;
  --r-hero:32px;
  --sh-1:0 8px 24px rgba(74,32,160,.08);
  --sh-2:0 16px 40px rgba(74,32,160,.16);
  --sh-3:0 24px 56px rgba(122,59,255,.20);
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
ul,ol{list-style:none}
button,input{font:inherit;color:inherit}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:8px}
.container{max-width:1200px;margin:0 auto;padding:0 24px}
.num{font-variant-numeric:tabular-nums}

/* ============ 顶部导航 ============ */
.site-header{position:sticky;top:0;z-index:60;background:#fff;transition:box-shadow .2s ease,border-color .2s ease;border-bottom:1px solid transparent}
.site-header.is-scrolled{border-bottom-color:var(--border);box-shadow:var(--sh-1)}
.topbar{padding:14px 0;transition:padding .2s ease}
.site-header.is-scrolled .topbar{padding:8px 0}
.header-inner{display:flex;align-items:center;gap:20px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--brand-grad);color:#fff;display:grid;place-items:center;font-size:16px;box-shadow:0 8px 18px rgba(122,59,255,.28)}
.brand-name{font-size:17px;font-weight:800;letter-spacing:.2px;white-space:nowrap}
.brand-pill{font-size:12px;font-weight:600;padding:3px 10px;border-radius:var(--r-pill);background:var(--soft);color:var(--brand);white-space:nowrap}
.search-box{flex:1 1 auto;max-width:440px;margin-left:auto;display:flex;align-items:center;gap:10px;height:44px;padding:0 18px;background:#fff;border:1px solid var(--border);border-radius:var(--r-pill);transition:border-color .18s ease,box-shadow .18s ease}
.search-box i{color:#A49FC0;font-size:14px}
.search-box input{border:0;outline:0;background:transparent;flex:1;font-size:14px;min-width:0}
.search-box input::placeholder{color:#A9A3BE}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(122,59,255,.18)}
.header-actions{display:flex;align-items:center;gap:16px;flex:0 0 auto}
.link-quiet{font-size:14px;color:var(--muted);transition:color .16s ease}
.link-quiet:hover{color:var(--brand)}
.btn-brand{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 22px;border:0;border-radius:var(--r-pill);background:var(--brand-grad);color:#fff;font-size:14px;font-weight:600;cursor:pointer;box-shadow:0 8px 20px rgba(122,59,255,.28);transition:transform .18s ease,box-shadow .18s ease,filter .18s ease}
.btn-brand:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(122,59,255,.34)}
.btn-brand:active{transform:translateY(0)}
.btn-sm{padding:9px 18px;font-size:13px}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;padding:11px 20px;border-radius:var(--r-pill);background:#fff;border:1px solid #DED5F6;color:var(--brand);font-size:14px;font-weight:600;cursor:pointer;transition:.18s ease}
.btn-ghost:hover{border-color:var(--brand);background:#F7F3FF;transform:translateY(-2px)}
.btn-ghost:active{transform:translateY(0)}
.channelbar{border-top:1px solid var(--border);background:#fff}
.channel-inner{display:flex;align-items:center;gap:10px;height:56px;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none}
.channel-inner::-webkit-scrollbar{display:none}
.tab-pill{display:inline-flex;align-items:center;gap:8px;padding:8px 16px;border-radius:var(--r-pill);background:var(--soft);color:#3C2A70;font-size:14px;font-weight:500;white-space:nowrap;transition:.18s ease}
.tab-pill:hover{background:#E8E1FB}
.tab-pill.pill-active{background:var(--brand-grad);color:#fff;box-shadow:0 8px 20px rgba(122,59,255,.28)}

/* ============ 文章头部 ============ */
.article-hero{padding:28px 0 6px}
.breadcrumb{display:flex;align-items:center;flex-wrap:wrap;gap:8px;font-size:13px;color:var(--muted)}
.breadcrumb a{transition:color .16s ease}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb .sep{color:#C6C1D8}
.breadcrumb .current{max-width:220px;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#4A4462}
.article-title{font-size:34px;line-height:1.3;font-weight:800;max-width:860px;margin:18px 0 16px;letter-spacing:-.2px}
.article-meta{display:flex;align-items:center;flex-wrap:wrap;gap:10px;font-size:13px;color:var(--muted)}
.meta-dot::before{content:"·";margin-right:10px;color:#C6C1D8}
.share-group{display:flex;align-items:center;gap:8px;margin-left:auto}
.share-btn{width:34px;height:34px;border-radius:10px;display:grid;place-items:center;background:#fff;border:1px solid var(--border);color:var(--muted);cursor:pointer;transition:.18s ease}
.share-btn:hover{background:var(--soft-2);color:var(--brand);border-color:#DED5F6}

/* ============ 主体两栏 ============ */
.article-layout{display:grid;grid-template-columns:minmax(0,1fr) 320px;gap:40px;align-items:start;padding:26px 0 88px}
.article-card{background:#fff;border:1px solid var(--border);border-radius:var(--r-card);padding:40px;box-shadow:var(--sh-1)}
.article-lead{font-size:16px;line-height:1.95;color:#3E3757;padding:18px 20px;border-radius:16px;background:var(--soft-2);border-left:4px solid var(--brand);margin:0 0 28px}
.prose-cn{font-size:16px;line-height:1.9;color:#2A2540}
.prose-cn > *:first-child{margin-top:0}
.prose-cn p{margin:0 0 1.2em}
.prose-cn h2{position:relative;font-size:21px;font-weight:700;line-height:1.45;color:var(--text);margin:40px 0 14px;padding-left:16px}
.prose-cn h2::before{content:"";position:absolute;left:0;top:.3em;width:4px;height:20px;border-radius:4px;background:var(--brand-grad)}
.prose-cn h3{font-size:18px;font-weight:700;line-height:1.5;margin:28px 0 10px}
.prose-cn ul,.prose-cn ol{margin:0 0 1.2em;padding-left:0}
.prose-cn ul li{position:relative;padding-left:20px;margin-bottom:8px}
.prose-cn ul li::before{content:"";position:absolute;left:3px;top:.76em;width:7px;height:7px;border-radius:50%;background:var(--brand)}
.prose-cn ol{counter-reset:li}
.prose-cn ol li{position:relative;padding-left:28px;margin-bottom:8px;counter-increment:li}
.prose-cn ol li::before{content:counter(li);position:absolute;left:0;top:.36em;width:20px;height:20px;border-radius:50%;background:var(--soft);color:var(--brand);font-size:12px;font-weight:700;display:grid;place-items:center;font-variant-numeric:tabular-nums}
.prose-cn blockquote{margin:24px 0;padding:16px 20px;background:#F6F2FF;border-left:4px solid var(--brand);border-radius:0 16px 16px 0;color:#3E3757}
.prose-cn blockquote p:last-child{margin-bottom:0}
.prose-cn a{color:var(--brand);text-decoration:underline;text-underline-offset:3px}
.prose-cn img{border-radius:16px;margin:24px auto}
.prose-cn figure{margin:24px 0}
.prose-cn figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px;line-height:1.7}
.prose-cn .table-wrap{overflow-x:auto;border:1px solid var(--border);border-radius:20px;margin:24px 0}
.prose-cn table{width:100%;border-collapse:collapse;font-size:14px}
.prose-cn th{background:var(--soft-2);color:#3C2A70;font-weight:600;text-align:left;padding:12px 16px;white-space:nowrap}
.prose-cn td{padding:12px 16px;border-top:1px solid var(--border);vertical-align:top}
.prose-cn tbody tr:nth-child(even){background:#FAF8FF}
.empty-card{display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center;padding:56px 24px;border-radius:var(--r-card);background:#FBFAFF;border:1px dashed #DED5F6}
.empty-card i{font-size:30px;color:#B7ADE0}
.empty-card p{margin:0;color:var(--muted);font-size:14px}
.tag-row{display:flex;flex-wrap:wrap;align-items:center;gap:10px;margin-top:36px;padding-top:24px;border-top:1px dashed var(--border)}
.tag-row .row-label{font-size:13px;color:var(--muted);margin-right:2px}
.chip-cat{display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:500;padding:4px 12px;border-radius:var(--r-pill);background:var(--soft);color:#4B2FA8;border:1px solid transparent;transition:.18s ease}
.chip-cat:hover{background:var(--brand);color:#fff}
.post-nav{display:grid;grid-template-columns:1fr 1fr;gap:16px;margin-top:26px}
.post-nav-card{display:flex;flex-direction:column;gap:6px;padding:20px;border-radius:var(--r-img);background:#fff;border:1px solid var(--border);box-shadow:var(--sh-1);transition:.2s ease}
.post-nav-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2);border-color:#DED5F6}
.post-nav-card .nav-label{font-size:12.5px;color:var(--muted);display:flex;align-items:center;gap:6px}
.post-nav-card .nav-title{font-size:15px;font-weight:600;line-height:1.6;color:var(--text)}
.post-nav-card.disabled{opacity:.55;pointer-events:none;box-shadow:none}
.back-row{margin-top:26px}

/* ============ 侧栏 ============ */
.sidebar{position:sticky;top:96px;display:flex;flex-direction:column;gap:20px}
.side-card{background:#fff;border:1px solid var(--border);border-radius:var(--r-card);padding:20px;box-shadow:var(--sh-1)}
.side-title{display:flex;align-items:center;gap:8px;font-size:15px;font-weight:700;margin:0 0 14px}
.side-title i{color:var(--brand);font-size:14px}
.side-nav{display:flex;flex-direction:column;gap:4px}
.side-nav a{display:flex;align-items:center;justify-content:space-between;gap:10px;padding:10px 12px;border-radius:12px;font-size:14px;color:#3E3757;transition:.16s ease}
.side-nav a span.count{font-size:12px;color:#A9A3BE;font-variant-numeric:tabular-nums}
.side-nav a:hover{background:#F5F1FF;color:var(--brand);transform:translateX(2px)}
.side-nav a.current{background:var(--soft-2);color:var(--brand);font-weight:600}
.mini-post{display:flex;align-items:center;gap:12px;padding:8px;border-radius:14px;transition:.16s ease}
.mini-post:hover{background:#F8F5FF;transform:translateX(2px)}
.mini-thumb{width:72px;height:72px;flex:0 0 72px;border-radius:12px;overflow:hidden;background:var(--soft)}
.mini-thumb img{width:100%;height:100%;object-fit:cover}
.mini-title{font-size:13.5px;line-height:1.6;font-weight:500;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.mini-post:hover .mini-title{color:var(--brand)}
.cta-card{position:relative;overflow:hidden;border-radius:var(--r-card);padding:24px;background:var(--brand-grad);color:#fff;box-shadow:var(--sh-3)}
.cta-card::after{content:"";position:absolute;right:-40px;bottom:-60px;width:170px;height:170px;border-radius:50%;background:rgba(255,255,255,.14)}
.cta-card h3{position:relative;z-index:1;margin:0 0 8px;font-size:17px;font-weight:700}
.cta-card p{position:relative;z-index:1;margin:0 0 18px;font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.82)}
.cta-card .btn-light{position:relative;z-index:1;display:inline-flex;align-items:center;gap:8px;padding:10px 20px;border-radius:var(--r-pill);background:#fff;color:var(--brand);font-size:13.5px;font-weight:700;transition:.18s ease}
.cta-card .btn-light:hover{transform:translateY(-2px);box-shadow:0 12px 24px rgba(23,15,46,.28)}

/* ============ 相关推荐 ============ */
.rec-section{padding:0 0 20px}
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:16px;margin-bottom:26px}
.sec-head h2{font-size:26px;font-weight:800;margin:0;line-height:1.35}
.sec-head p{margin:6px 0 0;font-size:14px;color:var(--muted)}
.sec-more{display:inline-flex;align-items:center;gap:8px;font-size:14px;font-weight:600;color:var(--brand);white-space:nowrap;transition:transform .18s ease}
.sec-more:hover{transform:translateX(2px)}
.rec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.rec-card{display:flex;flex-direction:column;background:#fff;border:1px solid var(--border);border-radius:var(--r-card);overflow:hidden;box-shadow:var(--sh-1);transition:transform .22s ease,box-shadow .22s ease,border-color .22s ease}
.rec-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#DED5F6}
.rec-thumb{position:relative;aspect-ratio:16/9;overflow:hidden;background:var(--soft)}
.rec-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.rec-card:hover .rec-thumb img{transform:scale(1.04)}
.rec-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1}
.rec-body h3{margin:0;font-size:16px;font-weight:700;line-height:1.55;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .18s ease}
.rec-card:hover .rec-body h3{color:var(--brand)}
.rec-body p{margin:0;font-size:13.5px;line-height:1.85;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.rec-foot{margin-top:auto;padding-top:12px;border-top:1px solid var(--border);display:flex;align-items:center;justify-content:space-between;font-size:12.5px;color:#9A94B4}
.rec-foot i{color:var(--brand);transition:transform .18s ease}
.rec-card:hover .rec-foot i{transform:translateX(3px)}

/* ============ 浮动 CTA ============ */
.float-cta{position:fixed;right:24px;bottom:24px;z-index:70;display:inline-flex;align-items:center;gap:10px;padding:14px 24px;border-radius:var(--r-pill);background:var(--brand-grad);color:#fff;font-size:14px;font-weight:600;box-shadow:0 16px 36px rgba(122,59,255,.34);opacity:0;transform:translateY(16px);pointer-events:none;transition:opacity .28s ease,transform .28s ease,box-shadow .2s ease}
.float-cta.show{opacity:1;transform:translateY(0);pointer-events:auto}
.float-cta:hover{transform:translateY(-2px);box-shadow:0 22px 46px rgba(122,59,255,.42)}

/* ============ 页脚 ============ */
.site-footer{position:relative;background:var(--brand-dark);color:#fff;margin-top:88px;padding:64px 0 28px}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--brand-grad)}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:14px}
.footer-brand .brand-name{color:#fff}
.footer-col h4{font-size:14px;font-weight:600;color:rgba(255,255,255,.8);margin:0 0 16px}
.footer-col ul{display:flex;flex-direction:column;gap:10px;margin:0;padding:0}
.footer-col p{font-size:14px;line-height:1.85;color:rgba(255,255,255,.68);margin:0}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.68);transition:.16s ease;display:inline-block}
.footer-col ul a:hover{color:#fff;transform:translateX(2px)}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{width:36px;height:36px;border-radius:12px;background:rgba(255,255,255,.08);display:grid;place-items:center;color:rgba(255,255,255,.75);transition:.18s ease}
.footer-social a:hover{background:var(--brand);color:#fff;transform:translateY(-2px)}
.footer-bottom{margin-top:40px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);display:flex;flex-wrap:wrap;justify-content:space-between;gap:12px;font-size:12.5px;color:rgba(255,255,255,.55)}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  .article-layout{grid-template-columns:1fr;gap:28px}
  .sidebar{position:static}
  .rec-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
}
@media (max-width:767px){
  .search-box{display:none}
  .link-quiet{display:none}
  .header-inner{gap:12px}
  .brand-name{font-size:15px}
  .article-title{font-size:24px}
  .article-card{padding:24px}
  .article-hero{padding:20px 0 4px}
  .post-nav{grid-template-columns:1fr}
  .float-cta{left:16px;right:16px;bottom:12px;justify-content:center;border-radius:16px;padding:12px 18px}
  body{padding-bottom:72px}
  .sec-head{flex-direction:column;align-items:flex-start}
}
@media (max-width:520px){
  .container{padding:0 20px}
  .rec-grid{grid-template-columns:1fr}
  .footer-grid{grid-template-columns:1fr}
  .share-group{margin-left:0;width:100%}
  .article-meta{gap:8px}
}

/* roulang page: category1 */
:root{
  --brand:#5B2BD9;
  --brand-2:#7A3BFF;
  --brand-3:#FF5AA0;
  --brand-deep:#170F2E;
  --grad:linear-gradient(135deg,#4F23C9 0%,#7A3BFF 45%,#FF5AA0 100%);
  --grad-soft:linear-gradient(135deg,#F3EEFF 0%,#FBF7FF 55%,#FFF2F8 100%);
  --mint:#16C79A;
  --amber:#FFB300;
  --bg:#F7F5FC;
  --card:#FFFFFF;
  --line:#ECE8F6;
  --soft:#F1EDFB;
  --text:#1E1A2E;
  --muted:#6B6580;
  --r-sm:14px;
  --r-md:20px;
  --r-lg:24px;
  --r-xl:32px;
  --sh-1:0 8px 24px rgba(74,32,160,.08);
  --sh-2:0 16px 40px rgba(74,32,160,.16);
  --sh-3:0 24px 56px rgba(122,59,255,.20);
  --sec:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  font-variant-numeric:tabular-nums;
}
img{max-width:100%;display:block;border:0}
a{color:var(--brand);text-decoration:none;transition:color .2s ease,background .2s ease,transform .2s ease}
a:hover{color:var(--brand-2)}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul,ol{padding:0;list-style:none}
h1{font-size:44px;line-height:1.25;font-weight:800;letter-spacing:-.4px}
h2{font-size:34px;line-height:1.25;font-weight:800;letter-spacing:-.2px}
h3{font-size:21px;line-height:1.35;font-weight:700}
p{font-size:16px;line-height:1.8}
a:focus-visible,button:focus-visible,input:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding-left:24px;padding-right:24px}
.sec-pad{padding-top:var(--sec);padding-bottom:var(--sec)}

/* ---------- Header ---------- */
.site-header{position:sticky;top:0;z-index:60;background:#fff;transition:box-shadow .2s ease}
.site-header.is-scrolled{box-shadow:var(--sh-1)}
.topbar{padding:14px 0;border-bottom:1px solid transparent;transition:padding .2s ease,border-color .2s ease}
.site-header.is-scrolled .topbar{padding:8px 0;border-bottom-color:var(--line)}
.header-inner{display:flex;align-items:center;gap:20px}
.brand{display:flex;align-items:center;gap:10px;flex:0 0 auto;color:var(--text)}
.brand:hover{color:var(--text)}
.brand-mark{width:38px;height:38px;border-radius:12px;background:var(--grad);color:#fff;display:flex;align-items:center;justify-content:center;font-size:17px;box-shadow:0 6px 18px rgba(122,59,255,.32)}
.brand-name{font-size:18px;font-weight:800;letter-spacing:-.2px;white-space:nowrap}
.brand-pill{font-size:12px;line-height:1;padding:6px 10px;border-radius:999px;background:var(--soft);color:var(--brand);font-weight:700;white-space:nowrap}
.search-box{flex:1 1 auto;max-width:460px;display:flex;align-items:center;gap:10px;background:#fff;border:1px solid var(--line);border-radius:999px;padding:9px 18px;transition:border-color .2s ease,box-shadow .2s ease}
.search-box i{color:var(--muted);font-size:14px}
.search-box input{border:0;outline:none;background:transparent;width:100%;font-size:14px}
.search-box input::placeholder{color:#A9A3BC}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(122,59,255,.18)}
.header-actions{display:flex;align-items:center;gap:16px;flex:0 0 auto}
.link-quiet{font-size:14px;color:var(--muted);font-weight:600}
.link-quiet:hover{color:var(--brand)}
.btn-brand{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:var(--grad);color:#fff;font-weight:700;font-size:15px;border-radius:999px;padding:12px 24px;box-shadow:0 8px 22px rgba(122,59,255,.28);transition:transform .2s ease,box-shadow .2s ease,filter .2s ease}
.btn-brand:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-2);filter:saturate(1.08)}
.btn-brand:active{transform:translateY(0)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-ghost{display:inline-flex;align-items:center;justify-content:center;gap:8px;background:#fff;color:var(--brand);font-weight:700;font-size:15px;border-radius:999px;padding:12px 24px;border:1px solid var(--line);box-shadow:var(--sh-1);transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease}
.btn-ghost:hover{border-color:var(--brand);color:var(--brand);transform:translateY(-2px);box-shadow:var(--sh-2)}
.channelbar{border-top:1px solid var(--line);background:#fff;position:relative}
.channel-inner{display:flex;align-items:center;gap:10px;overflow-x:auto;padding-top:10px;padding-bottom:10px;scrollbar-width:none;-ms-overflow-style:none}
.channel-inner::-webkit-scrollbar{display:none}
.tab-pill{display:inline-flex;align-items:center;gap:8px;white-space:nowrap;font-size:14px;font-weight:700;padding:9px 18px;border-radius:999px;background:var(--soft);color:#3D1F8F;transition:background .2s ease,color .2s ease,box-shadow .2s ease}
.tab-pill:hover{background:#E8E1FB;color:#33167C}
.tab-pill.pill-active{background:var(--grad);color:#fff;box-shadow:0 8px 20px rgba(122,59,255,.28)}
.tab-pill.pill-active:hover{color:#fff}
.channelbar::after{content:"";position:absolute;right:0;top:0;bottom:0;width:44px;pointer-events:none;background:linear-gradient(90deg,rgba(255,255,255,0),#fff);display:none}

/* ---------- Breadcrumb ---------- */
.crumb{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13px;color:var(--muted)}
.crumb a{color:var(--muted);font-weight:600}
.crumb a:hover{color:var(--brand)}
.crumb span.sep{color:#C6BFDA}

/* ---------- Category Hero ---------- */
.cat-hero-wrap{padding-top:36px}
.cat-hero{position:relative;overflow:hidden;border-radius:var(--r-xl);padding:44px 40px;background:var(--grad-soft);border:1px solid var(--line);box-shadow:var(--sh-1);display:grid;grid-template-columns:1.5fr 1fr;gap:32px;align-items:center;min-height:250px}
.cat-hero::before{content:"";position:absolute;width:420px;height:420px;right:-140px;top:-180px;border-radius:50%;background:radial-gradient(circle,rgba(122,59,255,.22),rgba(122,59,255,0) 68%)}
.cat-hero::after{content:"";position:absolute;width:320px;height:320px;left:-120px;bottom:-160px;border-radius:50%;background:radial-gradient(circle,rgba(255,90,160,.18),rgba(255,90,160,0) 68%)}
.cat-hero-inner{position:relative;z-index:2}
.cat-hero h1{font-size:clamp(26px,3.4vw,42px);margin-bottom:14px}
.cat-hero p.lead{font-size:17px;color:var(--muted);max-width:640px}
.cat-hero-side{position:relative;z-index:2;display:flex;flex-direction:column;align-items:flex-end;gap:16px}
.cat-hero-figure{width:100%;border-radius:var(--r-md);overflow:hidden;border:1px solid rgba(122,59,255,.28);box-shadow:var(--sh-2)}
.cat-hero-figure img{width:100%;aspect-ratio:16/10;object-fit:cover}
.pill{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;padding:7px 14px;border-radius:999px;background:#fff;color:var(--brand);border:1px solid var(--line)}
.pill-mint{background:rgba(22,199,154,.12);color:#0E8A69;border-color:rgba(22,199,154,.28)}
.pill-amber{background:rgba(255,179,0,.16);color:#8A5B00;border-color:rgba(255,179,0,.35)}

/* ---------- Filter row ---------- */
.filter-row{display:flex;gap:10px;overflow-x:auto;padding:22px 0 0;scrollbar-width:none}
.filter-row::-webkit-scrollbar{display:none}
.filter-pill{white-space:nowrap;font-size:14px;font-weight:700;padding:9px 20px;border-radius:999px;background:#fff;color:#3D1F8F;border:1px solid var(--line);transition:background .2s ease,color .2s ease,box-shadow .2s ease,transform .2s ease}
.filter-pill:hover{background:#F7F3FF;transform:translateY(-1px)}
.filter-pill.pill-active{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 8px 20px rgba(122,59,255,.26)}

/* ---------- Section head ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px}
.sec-head .sub{margin-top:10px;color:var(--muted);font-size:15px;max-width:660px}
.sec-head .more{font-size:14px;font-weight:700;white-space:nowrap}
.sec-head .more i{transition:transform .2s ease}
.sec-head .more:hover i{transform:translateX(3px)}

/* ---------- Post grid ---------- */
.post-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:24px}
.post-lead{grid-column:1 / -1;position:relative;display:block;border-radius:var(--r-lg);overflow:hidden;box-shadow:var(--sh-1);transition:transform .24s ease,box-shadow .24s ease}
.post-lead img{width:100%;aspect-ratio:21/9;object-fit:cover;transition:transform .5s ease}
.post-lead .mask{position:absolute;inset:0;background:linear-gradient(180deg,rgba(23,15,46,0) 28%,rgba(23,15,46,.86) 100%)}
.post-lead .lead-body{position:absolute;left:32px;right:32px;bottom:28px;color:#fff}
.post-lead .lead-body h3{font-size:26px;color:#fff;margin:12px 0 10px}
.post-lead .lead-body p{color:rgba(255,255,255,.78);font-size:14px;max-width:760px}
.post-lead:hover{transform:translateY(-4px);box-shadow:var(--sh-3)}
.post-lead:hover img{transform:scale(1.04)}
.post-card{display:grid;grid-template-columns:200px 1fr;gap:20px;background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:18px;box-shadow:var(--sh-1);transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#DCD2F5}
.post-thumb{border-radius:var(--r-md);overflow:hidden;background:var(--soft)}
.post-thumb img{width:100%;height:100%;aspect-ratio:4/3;object-fit:cover;transition:transform .5s ease}
.post-card:hover .post-thumb img{transform:scale(1.04)}
.post-body{display:flex;flex-direction:column;gap:10px;min-width:0}
.post-body h3{font-size:18px;transition:color .2s ease}
.post-card:hover .post-body h3{color:var(--brand)}
.post-body p{font-size:14px;color:var(--muted);display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden}
.post-meta{display:flex;align-items:center;gap:14px;font-size:13px;color:var(--muted);margin-top:auto}
.post-meta i{color:var(--brand);font-size:12px}
.chip-cat{display:inline-flex;align-items:center;font-size:12px;font-weight:700;padding:5px 12px;border-radius:999px;background:var(--soft);color:var(--brand);transition:background .2s ease,color .2s ease}
.chip-cat:hover{background:var(--brand);color:#fff}

/* ---------- Pager ---------- */
.pager{display:flex;justify-content:center;align-items:center;gap:10px;margin-top:44px;flex-wrap:wrap}
.pager a,.pager span{min-width:44px;height:44px;padding:0 16px;display:inline-flex;align-items:center;justify-content:center;gap:8px;border-radius:14px;background:#fff;border:1px solid var(--line);color:var(--brand);font-weight:700;font-size:14px;transition:background .2s ease,color .2s ease,box-shadow .2s ease,transform .2s ease}
.pager a:hover{background:#F7F3FF;transform:translateY(-2px);box-shadow:var(--sh-1)}
.pager .is-current{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 8px 20px rgba(122,59,255,.26)}
.pager .is-disabled{color:#B4AEC6;border-style:dashed;pointer-events:none}

/* ---------- Value cards ---------- */
.value-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.value-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:28px;box-shadow:var(--sh-1);transition:transform .24s ease,box-shadow .24s ease}
.value-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.value-icon{width:48px;height:48px;border-radius:14px;display:flex;align-items:center;justify-content:center;background:var(--grad);color:#fff;font-size:19px;box-shadow:0 10px 22px rgba(122,59,255,.26);margin-bottom:18px}
.value-card h3{margin-bottom:10px}
.value-card p{font-size:14px;color:var(--muted)}
.check-list{margin-top:16px;display:flex;flex-direction:column;gap:10px}
.check-list li{display:flex;gap:10px;font-size:14px;color:#4A445E;line-height:1.6}
.check-list i{color:var(--mint);margin-top:5px;font-size:13px}

/* ---------- Flow ---------- */
.flow-wrap{background:#fff;border:1px solid var(--line);border-radius:var(--r-xl);padding:44px 40px;box-shadow:var(--sh-1)}
.flow-grid{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:24px;margin-top:32px}
.flow-item{position:relative;padding-top:8px}
.flow-num{font-size:46px;font-weight:800;line-height:1;color:transparent;-webkit-text-stroke:1.6px rgba(122,59,255,.55);margin-bottom:16px}
.flow-item h3{font-size:18px;margin-bottom:8px}
.flow-item p{font-size:14px;color:var(--muted)}
.flow-line{position:absolute;left:0;top:26px;width:44px;height:3px;border-radius:3px;background:var(--grad)}

/* ---------- Compare cards ---------- */
.cmp-grid{display:grid;grid-template-columns:repeat(2,minmax(0,1fr));gap:20px}
.cmp-card{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);padding:24px;display:flex;gap:16px;box-shadow:var(--sh-1);transition:transform .24s ease,box-shadow .24s ease}
.cmp-card:hover{transform:translateY(-3px);box-shadow:var(--sh-2)}
.cmp-tag{flex:0 0 auto;width:44px;height:44px;border-radius:14px;background:var(--soft);color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:17px}
.cmp-card h3{font-size:17px;margin-bottom:8px}
.cmp-card p{font-size:14px;color:var(--muted)}
.cmp-card .answer{margin-top:12px;font-size:14px;color:#3D1F8F;background:#F7F3FF;border-radius:var(--r-sm);padding:10px 14px}

/* ---------- FAQ ---------- */
.faq-list{max-width:900px;display:flex;flex-direction:column;gap:14px}
.faq-item{background:#fff;border:1px solid var(--line);border-radius:var(--r-lg);box-shadow:var(--sh-1);overflow:hidden;position:relative;transition:box-shadow .24s ease}
.faq-item.is-open{box-shadow:var(--sh-2)}
.faq-item::before{content:"";position:absolute;left:0;top:14px;bottom:14px;width:3px;border-radius:3px;background:var(--grad);opacity:0;transition:opacity .2s ease}
.faq-item.is-open::before{opacity:1}
.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;text-align:left;padding:20px 24px;font-size:16px;font-weight:700;color:var(--text);transition:color .2s ease}
.faq-q:hover{color:var(--brand)}
.faq-item.is-open .faq-q{color:var(--brand)}
.faq-q i{transition:transform .24s ease;color:var(--brand);font-size:14px;flex:0 0 auto}
.faq-item.is-open .faq-q i{transform:rotate(180deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease}
.faq-a-inner{padding:0 24px 22px;color:var(--muted);font-size:15px;line-height:1.8;max-width:760px}

/* ---------- CTA band ---------- */
.cta-band{position:relative;overflow:hidden;border-radius:var(--r-xl);background:var(--grad);color:#fff;padding:56px 48px;display:grid;grid-template-columns:1.4fr 1fr;gap:32px;align-items:center;box-shadow:var(--sh-3)}
.cta-band::before{content:"";position:absolute;width:420px;height:420px;right:-120px;top:-180px;border-radius:50%;background:radial-gradient(circle,rgba(255,255,255,.24),rgba(255,255,255,0) 70%)}
.cta-band h2{color:#fff;font-size:clamp(24px,3vw,34px);margin-bottom:12px}
.cta-band p{color:rgba(255,255,255,.82);font-size:15px;max-width:560px}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end}
.btn-white{display:inline-flex;align-items:center;gap:8px;background:#fff;color:var(--brand);font-weight:700;font-size:15px;border-radius:999px;padding:13px 26px;box-shadow:0 12px 26px rgba(23,15,46,.18);transition:transform .2s ease,box-shadow .2s ease}
.btn-white:hover{color:var(--brand);transform:translateY(-2px);box-shadow:0 18px 34px rgba(23,15,46,.26)}
.btn-line{display:inline-flex;align-items:center;gap:8px;background:rgba(255,255,255,.12);color:#fff;font-weight:700;font-size:15px;border:1px solid rgba(255,255,255,.5);border-radius:999px;padding:13px 26px;transition:background .2s ease,transform .2s ease}
.btn-line:hover{background:rgba(255,255,255,.22);color:#fff;transform:translateY(-2px)}
.cta-note{grid-column:1 / -1;position:relative;z-index:2;font-size:13px;color:rgba(255,255,255,.75);display:flex;align-items:center;gap:10px}
.cta-note i{color:#9FF3DA}

/* ---------- Footer ---------- */
.site-footer{background:var(--brand-deep);color:rgba(255,255,255,.72);margin-top:var(--sec);border-top:1px solid transparent;background-image:linear-gradient(90deg,#4F23C9,#7A3BFF,#FF5AA0);background-size:100% 1px;background-repeat:no-repeat;background-position:top}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:32px;padding:64px 0 40px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-name{color:#fff;font-size:17px}
.footer-col p{font-size:14px;color:rgba(255,255,255,.68);line-height:1.8}
.footer-col h4{font-size:14px;color:rgba(255,255,255,.8);font-weight:700;margin-bottom:16px;letter-spacing:.4px}
.footer-col ul{display:flex;flex-direction:column;gap:12px}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.68);display:inline-block;transition:color .2s ease,transform .2s ease}
.footer-col ul a:hover{color:#fff;transform:translateX(2px)}
.footer-social{display:flex;gap:10px;margin-top:20px}
.footer-social a{width:38px;height:38px;border-radius:12px;background:rgba(255,255,255,.08);color:rgba(255,255,255,.8);display:flex;align-items:center;justify-content:center;font-size:14px;transition:background .2s ease,color .2s ease,transform .2s ease}
.footer-social a:hover{background:rgba(255,255,255,.18);color:#fff;transform:translateY(-2px)}
.footer-bottom{border-top:1px solid rgba(255,255,255,.12);padding:22px 0 34px;display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;font-size:13px;color:rgba(255,255,255,.6)}

/* ---------- Float CTA ---------- */
.float-cta{position:fixed;right:24px;bottom:24px;z-index:70;display:inline-flex;align-items:center;gap:10px;background:var(--grad);color:#fff;font-weight:700;font-size:15px;padding:14px 26px;border-radius:999px;box-shadow:var(--sh-2);opacity:0;pointer-events:none;transform:translateY(16px);transition:opacity .3s ease,transform .3s ease,box-shadow .3s ease}
.float-cta.is-show{opacity:1;pointer-events:auto;transform:translateY(0)}
.float-cta:hover{color:#fff;transform:translateY(-2px);box-shadow:var(--sh-3)}

/* ---------- Empty ---------- */
.empty-card{display:flex;flex-direction:column;align-items:center;gap:14px;text-align:center;padding:52px 24px;background:#fff;border:1px dashed var(--line);border-radius:var(--r-lg)}
.empty-card i{font-size:28px;color:var(--brand)}
.empty-card p{color:var(--muted);font-size:14px}

/* ---------- Responsive ---------- */
@media (max-width:1023px){
  :root{--sec:64px}
  h1{font-size:34px}
  h2{font-size:27px}
  .cat-hero{grid-template-columns:1fr;padding:34px 28px;min-height:auto}
  .cat-hero-side{align-items:flex-start}
  .value-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .flow-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;padding:48px 0 32px}
  .cta-band{grid-template-columns:1fr;padding:44px 32px}
  .cta-actions{justify-content:flex-start}
  .channelbar::after{display:block}
}
@media (max-width:767px){
  :root{--sec:52px}
  body{padding-bottom:72px}
  h1{font-size:30px}
  h2{font-size:24px}
  .container{padding-left:20px;padding-right:20px}
  .search-box{display:none}
  .header-inner{gap:12px}
  .brand-name{font-size:16px}
  .brand-pill{display:none}
  .header-actions .link-quiet{display:none}
  .post-grid{grid-template-columns:1fr}
  .post-card{grid-template-columns:1fr}
  .post-lead img{aspect-ratio:16/10}
  .post-lead .lead-body{left:20px;right:20px;bottom:20px}
  .post-lead .lead-body h3{font-size:20px}
  .value-grid{grid-template-columns:1fr}
  .flow-grid{grid-template-columns:1fr}
  .flow-wrap{padding:30px 22px}
  .cmp-grid{grid-template-columns:1fr}
  .cta-band{padding:36px 22px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{justify-content:center;text-align:center}
  .float-cta{right:0;left:0;bottom:0;border-radius:0;justify-content:center;padding:16px 20px;transform:translateY(100%);opacity:0}
  .float-cta.is-show{transform:translateY(0);opacity:1}
  .float-cta:hover{transform:translateY(0)}
}
@media (max-width:420px){
  .brand-name{font-size:15px}
  .btn-brand.btn-sm{padding:8px 14px;font-size:13px}
}

/* roulang page: category2 */
:root{
  --brand:#5B2BD9;
  --brand-2:#7A3BFF;
  --brand-3:#FF5AA0;
  --ink:#170F2E;
  --bg:#F7F5FC;
  --card:#FFFFFF;
  --line:#ECE8F6;
  --text:#1E1A2E;
  --text-2:#6B6580;
  --mint:#16C79A;
  --amber:#FFB300;
  --grad:linear-gradient(135deg,#4F23C9 0%,#7A3BFF 45%,#FF5AA0 100%);
  --grad-soft:linear-gradient(135deg,rgba(79,35,201,.10) 0%,rgba(122,59,255,.10) 45%,rgba(255,90,160,.10) 100%);
  --r-pill:999px;
  --r-card:24px;
  --r-lg:32px;
  --r-img:20px;
  --r-input:14px;
  --sh-1:0 8px 24px rgba(74,32,160,.08);
  --sh-2:0 16px 40px rgba(74,32,160,.16);
  --sh-3:0 24px 56px rgba(122,59,255,.20);
  --sec:88px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  background:var(--bg);
  color:var(--text);
  font-size:16px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border-style:none}
a{color:inherit;text-decoration:none;transition:color .2s ease,background .2s ease,transform .2s ease}
button,input{font-family:inherit;font-size:inherit}
h1,h2,h3,h4,p,ul,ol{margin:0}
ul{list-style:none;padding:0}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;border-radius:6px}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}
.sec-pad{padding:var(--sec) 0}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  font-size:13px;letter-spacing:.06em;color:var(--brand);
  background:#F1EDFB;border-radius:var(--r-pill);
  padding:6px 14px;font-weight:600;
}
.sec-title{font-size:34px;line-height:1.25;font-weight:800;letter-spacing:-.01em}
.sec-sub{font-size:16px;color:var(--text-2);line-height:1.8;max-width:720px}
.num-tab{font-variant-numeric:tabular-nums}

/* ============ 按钮 ============ */
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:var(--grad);color:#fff;font-weight:600;
  border:none;border-radius:var(--r-pill);
  padding:12px 26px;font-size:15px;cursor:pointer;
  box-shadow:0 10px 24px rgba(122,59,255,.28);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-brand:hover{transform:translateY(-2px);box-shadow:var(--sh-2);filter:saturate(1.08)}
.btn-brand:active{transform:translateY(0);filter:saturate(.96)}
.btn-sm{padding:9px 18px;font-size:14px}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  background:#fff;color:var(--brand);font-weight:600;
  border:1px solid var(--line);border-radius:var(--r-pill);
  padding:11px 24px;font-size:15px;cursor:pointer;
  transition:border-color .2s ease,box-shadow .2s ease,transform .2s ease,background .2s ease;
}
.btn-ghost:hover{border-color:rgba(122,59,255,.55);box-shadow:var(--sh-1);transform:translateY(-2px);background:#FCFAFF}
.btn-ghost:active{transform:translateY(0)}

/* ============ 导航 ============ */
.site-header{position:sticky;top:0;z-index:70;background:#fff;transition:box-shadow .2s ease,border-color .2s ease}
.site-header.is-stuck{box-shadow:0 8px 24px rgba(74,32,160,.08);border-bottom:1px solid var(--line)}
.topbar{transition:height .2s ease}
.header-inner{display:flex;align-items:center;gap:20px;height:72px;transition:height .2s ease}
.site-header.is-stuck .header-inner{height:64px}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:17px;
  box-shadow:0 8px 18px rgba(122,59,255,.32);
}
.brand-name{font-size:17px;font-weight:800;letter-spacing:-.01em;white-space:nowrap;color:var(--text)}
.brand-pill{
  font-size:11px;font-weight:700;color:var(--brand);
  background:#F1EDFB;border:1px solid #E4DAFB;
  padding:3px 10px;border-radius:var(--r-pill);white-space:nowrap;
}
.search-box{
  flex:1;max-width:420px;display:flex;align-items:center;gap:10px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  padding:0 18px;height:42px;transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box i{color:var(--text-2);font-size:14px}
.search-box input{
  border:none;background:transparent;outline:none;width:100%;
  font-size:14px;color:var(--text);height:100%;
}
.search-box input::placeholder{color:#A49DBB}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(122,59,255,.18)}
.header-actions{display:flex;align-items:center;gap:16px;margin-left:auto;flex-shrink:0}
.link-quiet{font-size:14px;color:var(--text-2);font-weight:500}
.link-quiet:hover{color:var(--brand)}
.channelbar{border-top:1px solid var(--line);background:#fff}
.channel-inner{display:flex;align-items:center;gap:10px;height:48px;overflow-x:auto;scrollbar-width:none}
.channel-inner::-webkit-scrollbar{display:none}
.tab-pill{
  display:inline-flex;align-items:center;gap:7px;white-space:nowrap;
  font-size:14px;font-weight:600;color:#4B2AAE;
  background:#F1EDFB;border-radius:var(--r-pill);
  padding:7px 16px;transition:background .2s ease,color .2s ease,box-shadow .2s ease;
}
.tab-pill i{font-size:13px;opacity:.85}
.tab-pill:hover{background:#E8E1FB}
.tab-pill.pill-active{background:var(--grad);color:#fff;box-shadow:0 8px 18px rgba(122,59,255,.28)}
.tab-pill.pill-active:hover{background:var(--grad)}

/* ============ 分类 Hero ============ */
.cat-hero{
  position:relative;overflow:hidden;
  background:#F3EEFF;
  border-bottom:1px solid var(--line);
  padding:44px 0 46px;
}
.cat-hero::before{
  content:"";position:absolute;inset:0;
  background-image:
    radial-gradient(560px 300px at 88% 4%,rgba(122,59,255,.20),transparent 68%),
    radial-gradient(440px 280px at 6% 96%,rgba(255,90,160,.16),transparent 70%);
  pointer-events:none;
}
.cat-hero .container{position:relative;z-index:2}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:13px;color:var(--text-2);margin-bottom:18px;flex-wrap:wrap}
.breadcrumb a{color:var(--text-2)}
.breadcrumb a:hover{color:var(--brand)}
.breadcrumb span.sep{color:#C6BFDC}
.breadcrumb .cur{color:var(--brand);font-weight:600}
.cat-hero h1{
  font-size:44px;line-height:1.25;font-weight:800;letter-spacing:-.02em;max-width:820px;
}
.cat-hero h1 em{font-style:normal;background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent}
.cat-hero-desc{margin-top:16px;font-size:17px;color:#4B4260;max-width:660px;line-height:1.8}
.hero-chips{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px}
.hero-chip{
  display:inline-flex;align-items:center;gap:7px;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  padding:7px 15px;font-size:13px;color:#4B4260;font-weight:500;
  box-shadow:0 4px 14px rgba(74,32,160,.05);
}
.hero-chip i{color:var(--mint);font-size:12px}

/* ============ 筛选行 ============ */
.filter-row{
  display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;
  padding:22px 0 6px;
}
.filter-row::-webkit-scrollbar{display:none}
.filter-pill{
  white-space:nowrap;font-size:14px;font-weight:600;color:#4B2AAE;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-pill);
  padding:8px 18px;cursor:pointer;transition:all .2s ease;
}
.filter-pill:hover{border-color:rgba(122,59,255,.5);box-shadow:var(--sh-1)}
.filter-pill.active{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 8px 18px rgba(122,59,255,.26)}

/* ============ 列表行 ============ */
.panel-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1)}
.list-head{display:flex;align-items:center;justify-content:space-between;gap:16px;margin-bottom:18px;flex-wrap:wrap}
.list-head h2{font-size:21px;font-weight:800;line-height:1.25}
.list-head p{font-size:14px;color:var(--text-2)}
.list-rows{display:flex;flex-direction:column;background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);box-shadow:var(--sh-1);overflow:hidden}
.list-row{
  display:flex;gap:20px;align-items:flex-start;
  padding:20px 22px;border-bottom:1px solid var(--line);
  transition:background .2s ease,transform .2s ease;
}
.list-row:last-child{border-bottom:none}
.list-row:hover{background:#FAF7FF;transform:translateX(4px)}
.row-thumb{
  flex:0 0 160px;width:160px;height:110px;border-radius:16px;overflow:hidden;
  background:#EFEAFB;
}
.row-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease}
.list-row:hover .row-thumb img{transform:scale(1.04)}
.row-body{flex:1;min-width:0;display:flex;flex-direction:column;gap:8px}
.chip-cat{
  align-self:flex-start;font-size:12px;font-weight:700;color:var(--brand);
  background:#F1EDFB;border-radius:var(--r-pill);padding:3px 11px;letter-spacing:.02em;
  transition:background .2s ease,color .2s ease;
}
.list-row:hover .row-title{color:var(--brand)}
.row-title{font-size:17px;font-weight:700;line-height:1.45;color:var(--text);transition:color .2s ease}
.row-desc{
  font-size:14px;color:var(--text-2);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.row-meta{display:flex;align-items:center;gap:10px;font-size:12px;color:#938CAA;flex-wrap:wrap}
.row-meta i{font-size:11px}
.row-arrow{
  flex:0 0 auto;align-self:center;width:34px;height:34px;border-radius:50%;
  display:flex;align-items:center;justify-content:center;
  background:#F6F2FE;color:var(--brand);font-size:13px;transition:all .2s ease;
}
.list-row:hover .row-arrow{background:var(--grad);color:#fff;box-shadow:0 8px 18px rgba(122,59,255,.3)}

/* 通栏推荐条 */
.promo-strip{
  display:flex;align-items:center;gap:18px;
  background:var(--grad);color:#fff;border-radius:var(--r-card);
  padding:20px 24px;margin:18px 0;
  box-shadow:0 16px 36px rgba(122,59,255,.24);
  transition:transform .2s ease,box-shadow .2s ease;
}
.promo-strip:hover{transform:translateY(-3px);box-shadow:var(--sh-3)}
.promo-ico{
  flex:0 0 44px;width:44px;height:44px;border-radius:14px;
  background:rgba(255,255,255,.18);display:flex;align-items:center;justify-content:center;font-size:18px;
}
.promo-strip strong{display:block;font-size:16px;font-weight:700;line-height:1.4}
.promo-strip p{font-size:13px;color:rgba(255,255,255,.82);line-height:1.6;margin-top:4px}
.promo-btn{
  margin-left:auto;flex:0 0 auto;font-size:14px;font-weight:700;
  background:#fff;color:var(--brand);border-radius:var(--r-pill);padding:9px 18px;
  display:inline-flex;align-items:center;gap:7px;
}

/* ============ 侧栏 ============ */
.side-stack{display:flex;flex-direction:column;gap:20px}
.side-card{background:var(--card);border:1px solid var(--line);border-radius:var(--r-card);padding:24px;box-shadow:var(--sh-1)}
.side-card h3{font-size:17px;font-weight:800;margin-bottom:16px;display:flex;align-items:center;gap:9px}
.side-card h3 i{color:var(--brand);font-size:15px}
.cat-list{display:flex;flex-direction:column;gap:6px}
.cat-list a{
  display:flex;align-items:center;gap:10px;
  padding:10px 12px;border-radius:14px;font-size:14px;color:#4B4260;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.cat-list a:hover{background:#F6F2FE;color:var(--brand);transform:translateX(3px)}
.cat-list a.is-current{background:#F1EDFB;color:var(--brand);font-weight:700;box-shadow:inset 3px 0 0 var(--brand)}
.cat-list .cnt{margin-left:auto;font-size:12px;color:#938CAA;font-variant-numeric:tabular-nums}
.mini-list{display:flex;flex-direction:column;gap:14px}
.mini-item{display:flex;gap:12px;align-items:flex-start;transition:transform .2s ease}
.mini-item:hover{transform:translateX(3px)}
.mini-thumb{flex:0 0 72px;width:72px;height:72px;border-radius:12px;overflow:hidden;background:#EFEAFB}
.mini-thumb img{width:100%;height:100%;object-fit:cover}
.mini-item h4{font-size:14px;font-weight:600;line-height:1.5;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s ease}
.mini-item:hover h4{color:var(--brand)}
.mini-item span{font-size:12px;color:#938CAA}
.cta-side{
  background:var(--grad);color:#fff;border-radius:var(--r-card);
  padding:26px 24px;box-shadow:var(--sh-3);border:none;
}
.cta-side h3{color:#fff}
.cta-side h3 i{color:rgba(255,255,255,.9)}
.cta-side p{font-size:14px;color:rgba(255,255,255,.85);line-height:1.75;margin-bottom:18px}
.cta-side .btn-white{
  display:inline-flex;align-items:center;gap:8px;background:#fff;color:var(--brand);
  font-weight:700;font-size:14px;border-radius:var(--r-pill);padding:10px 20px;
  transition:transform .2s ease,box-shadow .2s ease;
}
.cta-side .btn-white:hover{transform:translateY(-2px);box-shadow:0 12px 26px rgba(23,15,46,.28)}

/* ============ 核对顺序 ============ */
.step-track{display:grid;grid-template-columns:repeat(4,1fr);gap:20px;margin-top:36px}
.step-card{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:26px 22px;box-shadow:var(--sh-1);position:relative;
  transition:transform .2s ease,box-shadow .2s ease,border-color .2s ease;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:rgba(122,59,255,.35)}
.step-num{
  font-size:44px;font-weight:800;line-height:1;color:transparent;
  -webkit-text-stroke:1.6px rgba(122,59,255,.55);letter-spacing:-.02em;
  font-variant-numeric:tabular-nums;
}
.step-card h3{font-size:17px;font-weight:800;margin:14px 0 8px}
.step-card p{font-size:14px;color:var(--text-2);line-height:1.75}
.step-card .step-ico{
  position:absolute;top:24px;right:22px;font-size:16px;color:var(--brand);opacity:.5;
}

/* ============ 场景 ============ */
.scene-grid{display:grid;grid-template-columns:repeat(2,1fr);gap:18px;margin-top:34px}
.scene-item{
  display:flex;gap:16px;align-items:flex-start;
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  padding:22px;box-shadow:var(--sh-1);
  transition:transform .2s ease,box-shadow .2s ease;
}
.scene-item:hover{transform:translateY(-4px);box-shadow:var(--sh-2)}
.scene-item i{
  flex:0 0 42px;width:42px;height:42px;border-radius:13px;
  background:#F1EDFB;color:var(--brand);display:flex;align-items:center;justify-content:center;font-size:16px;
}
.scene-item h3{font-size:16px;font-weight:700;margin-bottom:6px}
.scene-item p{font-size:14px;color:var(--text-2);line-height:1.75}

/* ============ FAQ ============ */
.faq-wrap{max-width:900px;margin:0 auto;display:flex;flex-direction:column;gap:14px;margin-top:36px}
.faq-item{
  background:#fff;border:1px solid var(--line);border-radius:var(--r-card);
  box-shadow:var(--sh-1);overflow:hidden;transition:box-shadow .2s ease,border-color .2s ease;
}
.faq-item:hover{border-color:rgba(122,59,255,.3)}
.faq-item[open]{box-shadow:var(--sh-2);border-color:rgba(122,59,255,.35)}
.faq-item summary{
  list-style:none;cursor:pointer;position:relative;
  display:flex;align-items:center;gap:14px;
  padding:20px 24px 20px 28px;font-size:16px;font-weight:700;line-height:1.5;
  transition:color .2s ease,background .2s ease;
}
.faq-item summary::-webkit-details-marker{display:none}
.faq-item summary::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:3px;
  background:var(--grad);opacity:0;transition:opacity .2s ease;
}
.faq-item[open] summary::before{opacity:1}
.faq-item[open] summary{color:var(--brand);background:#FCFAFF}
.faq-arrow{margin-left:auto;font-size:13px;color:#A49DBB;transition:transform .25s ease,color .2s ease}
.faq-item[open] .faq-arrow{transform:rotate(180deg);color:var(--brand)}
.faq-body{padding:0 24px 22px 28px;max-width:760px;font-size:15px;color:var(--text-2);line-height:1.9}

/* ============ 尾部 CTA ============ */
.final-cta{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  background:var(--grad);color:#fff;padding:56px 48px;
  box-shadow:var(--sh-3);
  display:flex;align-items:center;gap:36px;flex-wrap:wrap;
}
.final-cta::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(420px 260px at 92% 10%,rgba(255,255,255,.22),transparent 70%);
  pointer-events:none;
}
.final-cta > div{position:relative;z-index:2}
.final-cta h2{font-size:30px;font-weight:800;line-height:1.3}
.final-cta p{font-size:15px;color:rgba(255,255,255,.86);margin-top:12px;max-width:560px;line-height:1.8}
.final-cta .cta-btns{display:flex;gap:14px;flex-wrap:wrap;margin-top:24px}
.final-cta .btn-white{
  display:inline-flex;align-items:center;gap:8px;background:#fff;color:var(--brand);
  font-weight:700;font-size:15px;border-radius:var(--r-pill);padding:12px 26px;
  transition:transform .2s ease,box-shadow .2s ease;
}
.final-cta .btn-white:hover{transform:translateY(-2px);box-shadow:0 14px 30px rgba(23,15,46,.3)}
.final-cta .btn-line{
  display:inline-flex;align-items:center;gap:8px;
  border:1px solid rgba(255,255,255,.6);color:#fff;font-weight:600;font-size:15px;
  border-radius:var(--r-pill);padding:11px 24px;
  transition:background .2s ease,transform .2s ease;
}
.final-cta .btn-line:hover{background:rgba(255,255,255,.16);transform:translateY(-2px)}
.trust-line{margin-top:18px;font-size:13px;color:rgba(255,255,255,.78);display:flex;align-items:center;gap:8px}
.trust-line i{color:#B7F5E4}

/* ============ 页脚 ============ */
.site-footer{
  background:var(--ink);color:rgba(255,255,255,.72);
  padding:64px 0 26px;position:relative;
}
.site-footer::before{
  content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad);
}
.footer-grid{display:grid;grid-template-columns:1.5fr 1fr 1fr 1fr;gap:32px}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px}
.footer-brand .brand-name{color:#fff;font-size:16px}
.footer-col p{font-size:14px;line-height:1.8;color:rgba(255,255,255,.7)}
.footer-col h4{font-size:14px;color:rgba(255,255,255,.82);font-weight:700;margin-bottom:16px;letter-spacing:.02em}
.footer-col ul{display:flex;flex-direction:column;gap:11px}
.footer-col ul a{font-size:14px;color:rgba(255,255,255,.68);display:inline-block;transition:color .2s ease,transform .2s ease}
.footer-col ul a:hover{color:#fff;transform:translateX(2px)}
.footer-social{display:flex;gap:10px;margin-top:18px}
.footer-social a{
  width:36px;height:36px;border-radius:12px;background:rgba(255,255,255,.08);
  display:flex;align-items:center;justify-content:center;color:rgba(255,255,255,.8);font-size:14px;
  transition:background .2s ease,transform .2s ease,color .2s ease;
}
.footer-social a:hover{background:var(--grad);color:#fff;transform:translateY(-2px)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* ============ 浮动 CTA ============ */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:80;
  display:flex;align-items:center;gap:10px;
  opacity:0;transform:translateY(16px);pointer-events:none;
  transition:opacity .3s ease,transform .3s ease;
}
.float-cta.show{opacity:1;transform:translateY(0);pointer-events:auto}
.float-cta .btn-brand{padding:14px 26px;font-size:15px;box-shadow:0 16px 36px rgba(122,59,255,.34)}
.float-cta .float-link{
  font-size:14px;font-weight:600;color:var(--brand);background:#fff;
  border:1px solid var(--line);border-radius:var(--r-pill);padding:12px 18px;display:none;
}

/* ============ 响应式 ============ */
@media (max-width:1023px){
  :root{--sec:64px}
  .cat-hero h1{font-size:34px}
  .sec-title{font-size:28px}
  .step-track{grid-template-columns:repeat(2,1fr)}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .final-cta{padding:44px 32px}
}
@media (max-width:767px){
  .search-box{max-width:none}
}
@media (max-width:640px){
  :root{--sec:52px}
  body{padding-bottom:72px}
  .container{padding:0 20px}
  .header-inner{gap:12px}
  .brand-name{font-size:15px}
  .search-box{width:42px;padding:0;justify-content:center;flex:0 0 42px}
  .search-box input{display:none}
  .link-quiet{display:none}
  .cat-hero{padding:32px 0 34px}
  .cat-hero h1{font-size:30px}
  .cat-hero-desc{font-size:15px}
  .sec-title{font-size:24px}
  .sec-sub{font-size:15px}
  .list-row{flex-wrap:wrap;gap:14px;padding:18px}
  .row-thumb{flex:0 0 100%;width:100%;height:180px}
  .row-arrow{display:none}
  .promo-strip{flex-wrap:wrap;gap:14px}
  .promo-btn{margin-left:0}
  .step-track{grid-template-columns:1fr}
  .scene-grid{grid-template-columns:1fr}
  .faq-item summary{padding:18px 18px 18px 22px;font-size:15px}
  .faq-body{padding:0 18px 20px 22px}
  .final-cta{padding:34px 22px;border-radius:24px}
  .final-cta h2{font-size:23px}
  .footer-grid{grid-template-columns:1fr;gap:26px}
  .footer-bottom{flex-direction:column;align-items:center;text-align:center}
  .float-cta{
    left:0;right:0;bottom:0;padding:0 16px;height:56px;
    background:rgba(255,255,255,.96);backdrop-filter:blur(10px);
    border-top:1px solid var(--line);gap:12px;
  }
  .float-cta .btn-brand{flex:1;padding:11px 16px;font-size:14px}
  .float-cta .float-link{display:inline-flex;align-items:center;padding:10px 14px;font-size:13px;border-color:transparent;background:transparent}
}

/* roulang page: category3 */
:root{
  --brand:#5B2BD9;
  --brand-2:#7A3BFF;
  --magenta:#FF5AA0;
  --deep:#170F2E;
  --lime:#16C79A;
  --amber:#FFB300;
  --bg:#F7F5FC;
  --card:#FFFFFF;
  --border:#ECE8F6;
  --text:#1E1A2E;
  --muted:#6B6580;
  --violet-50:#F3EEFF;
  --violet-100:#F1EDFB;
  --violet-200:#E8E1FB;
  --grad:linear-gradient(135deg,#4F23C9 0%,#7A3BFF 45%,#FF5AA0 100%);
  --grad-soft:linear-gradient(135deg,rgba(79,35,201,.12),rgba(255,90,160,.12));
  --r-pill:999px;
  --r-card:24px;
  --r-lg:32px;
  --r-img:20px;
  --sh-1:0 8px 24px rgba(74,32,160,.08);
  --sh-2:0 16px 40px rgba(74,32,160,.16);
  --sh-3:0 24px 56px rgba(122,59,255,.20);
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:-apple-system,"PingFang SC","Hiragino Sans GB","Microsoft YaHei","Noto Sans SC",system-ui,sans-serif;
  font-size:16px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0;}
a{color:inherit;text-decoration:none;transition:color .2s ease;}
button{font:inherit;cursor:pointer;border:0;background:none;color:inherit;}
input{font:inherit;}
h1,h2,h3,h4,p,ul,ol,figure{margin:0;}
ul,ol{list-style:none;padding:0;}
:focus-visible{outline:2px solid var(--brand);outline-offset:2px;}
.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px;}
.sec-pad{padding:88px 0;}
.tab-num{font-variant-numeric:tabular-nums;}
.grad-text{background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;}

/* ---------- Header ---------- */
.site-header{
  position:sticky;top:0;z-index:60;background:#fff;
  transition:box-shadow .2s ease,border-color .2s ease;
  border-bottom:1px solid transparent;
}
.site-header.scrolled{box-shadow:var(--sh-1);border-bottom-color:var(--border);}
.topbar{border-bottom:1px solid var(--border);background:#fff;}
.header-inner{display:flex;align-items:center;gap:20px;height:72px;transition:height .2s ease;}
.site-header.scrolled .header-inner{height:64px;}
.brand{display:flex;align-items:center;gap:10px;flex-shrink:0;}
.brand-mark{
  width:38px;height:38px;border-radius:12px;background:var(--grad);
  display:flex;align-items:center;justify-content:center;color:#fff;font-size:16px;
  box-shadow:0 8px 18px rgba(122,59,255,.32);flex-shrink:0;
}
.brand-name{font-size:17px;font-weight:800;letter-spacing:.2px;white-space:nowrap;color:var(--text);}
.brand-pill{
  font-size:11px;font-weight:700;padding:3px 10px;border-radius:var(--r-pill);
  background:var(--violet-100);color:var(--brand);border:1px solid #E2D9F8;white-space:nowrap;
}
.search-box{
  flex:1;max-width:420px;display:flex;align-items:center;gap:10px;height:42px;
  padding:0 16px;border-radius:var(--r-pill);background:#fff;border:1px solid var(--border);
  transition:border-color .2s ease,box-shadow .2s ease;
}
.search-box:focus-within{border-color:var(--brand);box-shadow:0 0 0 3px rgba(122,59,255,.18);}
.search-box i{color:var(--muted);font-size:14px;}
.search-box input{border:0;outline:0;background:transparent;width:100%;font-size:14px;color:var(--text);}
.search-box input::placeholder{color:#9A94AC;}
.header-actions{display:flex;align-items:center;gap:14px;margin-left:auto;}
.link-quiet{font-size:14px;font-weight:600;color:var(--muted);white-space:nowrap;}
.link-quiet:hover{color:var(--brand);}
.btn-brand{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:14px;font-weight:700;color:#fff;background:var(--grad);
  border-radius:var(--r-pill);padding:11px 22px;
  box-shadow:0 10px 22px rgba(122,59,255,.28);
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.btn-brand:hover{transform:translateY(-2px);box-shadow:0 16px 34px rgba(122,59,255,.38);}
.btn-brand:active{transform:translateY(0);}
.btn-sm{padding:9px 18px;font-size:13px;}
.btn-ghost{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:14px;font-weight:700;color:var(--brand);background:#fff;
  border:1px solid #DCD2F6;border-radius:var(--r-pill);padding:10px 22px;
  transition:border-color .2s ease,background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.btn-ghost:hover{border-color:var(--brand);background:var(--violet-100);transform:translateY(-2px);box-shadow:var(--sh-1);}
.channelbar{background:#fff;}
.channel-inner{display:flex;gap:10px;overflow-x:auto;padding-top:10px;padding-bottom:10px;scrollbar-width:none;}
.channel-inner::-webkit-scrollbar{display:none;}
.tab-pill{
  display:inline-flex;align-items:center;gap:7px;white-space:nowrap;
  font-size:13.5px;font-weight:700;padding:9px 16px;border-radius:var(--r-pill);
  background:var(--violet-100);color:#4A2FA8;border:1px solid transparent;
  transition:background .2s ease,color .2s ease,box-shadow .2s ease;
}
.tab-pill:hover{background:var(--violet-200);}
.tab-pill.pill-active{background:var(--grad);color:#fff;box-shadow:0 8px 18px rgba(122,59,255,.28);}

/* ---------- Category hero ---------- */
.cat-hero{
  position:relative;overflow:hidden;
  padding:46px 0 44px;
  background:
    radial-gradient(700px 320px at 10% -10%, rgba(122,59,255,.16), transparent 70%),
    radial-gradient(620px 320px at 92% 8%, rgba(255,90,160,.14), transparent 70%),
    linear-gradient(180deg,#FBF9FF 0%, #F3EEFF 100%);
  border-bottom:1px solid var(--border);
}
.cat-hero::after{content:"";position:absolute;left:0;right:0;bottom:0;height:2px;background:var(--grad);opacity:.35;}
.breadcrumb{display:flex;align-items:center;gap:8px;font-size:12.5px;color:var(--muted);margin-bottom:16px;flex-wrap:wrap;}
.breadcrumb a{color:var(--muted);}
.breadcrumb a:hover{color:var(--brand);}
.breadcrumb .sep{color:#C6BEE0;}
.breadcrumb .cur{color:var(--brand);font-weight:700;}
.cat-hero h1{
  font-size:44px;line-height:1.25;font-weight:800;letter-spacing:-.5px;
  max-width:900px;color:var(--text);
}
.hero-sub{margin-top:16px;font-size:16px;color:var(--muted);max-width:720px;}
.hero-meta{display:flex;flex-wrap:wrap;gap:10px;margin-top:24px;}
.pill{
  display:inline-flex;align-items:center;gap:6px;padding:7px 14px;border-radius:var(--r-pill);
  background:#fff;border:1px solid var(--border);font-size:13px;font-weight:600;color:var(--muted);
}
.hero-meta .pill{color:#4A2FA8;border-color:#E2D9F8;box-shadow:0 4px 12px rgba(74,32,160,.05);}
.hero-meta .pill i{color:var(--brand-2);}

/* ---------- Filter bar ---------- */
.filter-bar{background:#fff;border-bottom:1px solid var(--border);}
.filter-inner{display:flex;align-items:center;gap:16px;padding-top:16px;padding-bottom:16px;}
.filter-label{font-size:13px;font-weight:700;color:var(--muted);white-space:nowrap;flex-shrink:0;}
.filter-scroll{display:flex;gap:10px;overflow-x:auto;scrollbar-width:none;padding-bottom:2px;}
.filter-scroll::-webkit-scrollbar{display:none;}
.filter-pill{
  white-space:nowrap;padding:8px 18px;border-radius:var(--r-pill);font-size:13.5px;font-weight:700;
  background:var(--violet-100);color:#4A2FA8;transition:.2s ease;
}
.filter-pill:hover{background:var(--violet-200);}
.filter-pill.active{background:var(--grad);color:#fff;box-shadow:0 8px 18px rgba(122,59,255,.28);}

/* ---------- Section head ---------- */
.sec-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:32px;flex-wrap:wrap;}
.sec-head h2{font-size:34px;line-height:1.25;font-weight:800;letter-spacing:-.4px;}
.sec-head p{margin-top:10px;font-size:15px;color:var(--muted);max-width:660px;}
.sec-more{display:inline-flex;align-items:center;gap:6px;font-size:14px;font-weight:700;color:var(--brand);white-space:nowrap;}
.sec-more i{transition:transform .2s ease;}
.sec-more:hover i{transform:translateX(3px);}

/* ---------- Waterfall ---------- */
.waterfall{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;align-items:start;}
.wf-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);overflow:hidden;
  transition:border-color .25s ease,transform .25s ease,box-shadow .25s ease;
}
.wf-card:hover{border-color:rgba(122,59,255,.55);transform:translateY(-4px);box-shadow:var(--sh-2);}
.wf-wide{grid-column:1 / -1;}
.wf-media{position:relative;overflow:hidden;aspect-ratio:3 / 2;background:#EDE7FB;}
.wf-wide .wf-media{aspect-ratio:16 / 9;}
.wf-media img{width:100%;height:100%;object-fit:cover;transition:transform .55s ease;}
.wf-card:hover .wf-media img{transform:scale(1.05);}
.wf-media.overlay::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(180deg,rgba(23,15,46,.05) 0%,rgba(23,15,46,.82) 100%);
}
.wf-overlay{position:absolute;left:0;right:0;bottom:0;z-index:2;padding:28px;color:#fff;}
.wf-overlay h3{font-size:21px;line-height:1.4;font-weight:800;margin-top:10px;}
.wf-overlay p{margin-top:8px;font-size:14px;line-height:1.7;color:rgba(255,255,255,.82);max-width:680px;}
.chip-light{
  display:inline-flex;align-items:center;gap:6px;font-size:11.5px;font-weight:700;
  padding:4px 12px;border-radius:var(--r-pill);
  background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.32);color:#fff;
  backdrop-filter:blur(4px);
}
.wf-body{padding:22px 24px 20px;}
.chip-cat{
  display:inline-flex;align-items:center;gap:6px;font-size:12px;font-weight:700;
  padding:4px 12px;border-radius:var(--r-pill);background:var(--violet-100);color:var(--brand);
  border:1px solid #E7DEFB;transition:.2s ease;
}
.wf-body h3{font-size:18px;line-height:1.45;font-weight:800;margin-top:12px;transition:color .2s ease;}
.wf-card:hover .wf-body h3{color:var(--brand);}
.wf-body p{margin-top:8px;font-size:14px;color:var(--muted);line-height:1.75;}
.wf-foot{
  display:flex;align-items:center;justify-content:space-between;
  margin-top:16px;padding-top:14px;border-top:1px solid var(--border);
  font-size:12.5px;color:var(--muted);
}
.wf-foot span{display:inline-flex;align-items:center;gap:6px;}
.wf-foot i.fa-arrow-right{color:var(--brand);transition:transform .2s ease;}
.wf-card:hover .wf-foot i.fa-arrow-right{transform:translateX(3px);}
.btn-loadmore{
  display:block;margin:36px auto 0;padding:14px 44px;border-radius:var(--r-pill);
  font-size:15px;font-weight:800;color:var(--brand);
  border:2px solid transparent;
  background:linear-gradient(#fff,#fff) padding-box,var(--grad) border-box;
  transition:background .25s ease,color .25s ease,box-shadow .25s ease,transform .25s ease;
}
.btn-loadmore:hover{
  background:var(--grad) padding-box,var(--grad) border-box;
  color:#fff;box-shadow:0 16px 34px rgba(122,59,255,.32);transform:translateY(-2px);
}

/* ---------- Scene section ---------- */
.scene-sec{background:linear-gradient(180deg,#FFFFFF 0%,#FAF8FF 100%);border-top:1px solid var(--border);border-bottom:1px solid var(--border);}
.scene-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;}
.scene-card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  padding:28px 26px;box-shadow:var(--sh-1);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.scene-card:hover{transform:translateY(-4px);box-shadow:var(--sh-2);border-color:#E0D4FB;}
.scene-icon{
  width:46px;height:46px;border-radius:14px;display:flex;align-items:center;justify-content:center;
  background:var(--violet-100);color:var(--brand);font-size:18px;margin-bottom:18px;
}
.scene-card h3{font-size:19px;line-height:1.45;font-weight:800;}
.scene-card p{margin-top:10px;font-size:14px;color:var(--muted);line-height:1.8;}
.scene-card .chip-cat{margin-top:16px;}

/* ---------- Flow section ---------- */
.flow-sec{
  position:relative;color:#fff;
  background:
    radial-gradient(620px 320px at 12% 6%, rgba(122,59,255,.42), transparent 72%),
    radial-gradient(520px 300px at 88% 96%, rgba(255,90,160,.26), transparent 72%),
    var(--deep);
}
.flow-sec h2{font-size:34px;line-height:1.25;font-weight:800;color:#fff;letter-spacing:-.4px;}
.flow-sec .sub{margin-top:12px;font-size:15px;color:rgba(255,255,255,.7);max-width:640px;}
.flow-list{display:grid;grid-template-columns:repeat(4,1fr);gap:22px;margin-top:40px;}
.flow-item{
  padding:26px 22px;border-radius:var(--r-card);
  background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);
  transition:transform .25s ease,background .25s ease,border-color .25s ease;
}
.flow-item:hover{transform:translateY(-4px);background:rgba(255,255,255,.1);border-color:rgba(255,255,255,.3);}
.flow-num{
  display:inline-block;font-size:30px;font-weight:800;line-height:1;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
  font-variant-numeric:tabular-nums;
}
.flow-item h3{margin-top:16px;font-size:17px;font-weight:800;color:#fff;line-height:1.5;}
.flow-item p{margin-top:10px;font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.68);}

/* ---------- FAQ ---------- */
.faq-wrap{display:grid;grid-template-columns:320px 1fr;gap:40px;align-items:start;}
.faq-left h2{font-size:34px;line-height:1.25;font-weight:800;letter-spacing:-.4px;}
.faq-left p{margin-top:14px;font-size:14.5px;color:var(--muted);}
.faq-left .btn-ghost{margin-top:22px;}
.faq-list{display:flex;flex-direction:column;gap:14px;}
.faq-item{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);
  overflow:hidden;transition:border-color .25s ease,box-shadow .25s ease;
  position:relative;
}
.faq-item.open{border-color:#E0D4FB;box-shadow:var(--sh-1);}
.faq-item.open::before{content:"";position:absolute;left:0;top:0;bottom:0;width:3px;background:var(--grad);}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 24px;text-align:left;font-size:16px;font-weight:700;color:var(--text);
  transition:color .2s ease;
}
.faq-item.open .faq-q{color:var(--brand);}
.faq-q i{color:var(--muted);font-size:13px;transition:transform .25s ease,color .25s ease;flex-shrink:0;}
.faq-item.open .faq-q i{transform:rotate(180deg);color:var(--brand);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .3s ease;}
.faq-item.open .faq-a{max-height:420px;}
.faq-a p{padding:0 24px 22px;font-size:14.5px;color:var(--muted);line-height:1.85;max-width:760px;}

/* ---------- CTA band ---------- */
.cta-band{padding:0 0 88px;}
.cta-card{
  position:relative;overflow:hidden;border-radius:var(--r-lg);
  padding:52px 48px;color:#fff;
  background:
    radial-gradient(520px 260px at 88% 12%, rgba(255,90,160,.45), transparent 70%),
    linear-gradient(135deg,#4F23C9 0%,#7A3BFF 52%,#B23BD8 100%);
  box-shadow:var(--sh-3);
}
.cta-card h2{font-size:32px;line-height:1.3;font-weight:800;letter-spacing:-.4px;}
.cta-card p.lead{margin-top:12px;font-size:15px;color:rgba(255,255,255,.82);max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px;}
.cta-card .btn-brand{background:#fff;color:var(--brand);box-shadow:0 14px 30px rgba(23,15,46,.28);}
.cta-card .btn-brand:hover{background:#fff;filter:brightness(1.02);}
.btn-ghost-light{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  font-size:14px;font-weight:700;color:#fff;padding:10px 22px;border-radius:var(--r-pill);
  border:1px solid rgba(255,255,255,.5);
  transition:background .2s ease,border-color .2s ease,transform .2s ease;
}
.btn-ghost-light:hover{background:rgba(255,255,255,.16);border-color:#fff;transform:translateY(-2px);}
.cta-note{margin-top:20px;font-size:12.5px;color:rgba(255,255,255,.66);}

/* ---------- Footer ---------- */
.site-footer{position:relative;background:var(--deep);color:rgba(255,255,255,.72);padding:64px 0 0;}
.site-footer::before{content:"";position:absolute;top:0;left:0;right:0;height:1px;background:var(--grad);}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:32px;}
.footer-brand{display:flex;align-items:center;gap:10px;margin-bottom:16px;}
.footer-brand .brand-name{color:#fff;font-size:16px;font-weight:800;}
.footer-col h4{font-size:14px;font-weight:700;color:rgba(255,255,255,.85);margin-bottom:16px;}
.footer-col p{font-size:13.5px;line-height:1.8;color:rgba(255,255,255,.62);}
.footer-col ul li{margin-bottom:10px;}
.footer-col ul a{display:inline-block;font-size:14px;color:rgba(255,255,255,.68);transition:color .2s ease,transform .2s ease;}
.footer-col ul a:hover{color:#fff;transform:translateX(2px);}
.footer-social{display:flex;gap:10px;margin-top:18px;}
.footer-social a{
  width:36px;height:36px;border-radius:12px;display:flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.08);color:rgba(255,255,255,.78);font-size:14px;
  transition:background .2s ease,color .2s ease,transform .2s ease;
}
.footer-social a:hover{background:var(--grad);color:#fff;transform:translateY(-2px);}
.footer-bottom{
  margin-top:48px;padding:22px 0 30px;border-top:1px solid rgba(255,255,255,.1);
  display:flex;justify-content:space-between;gap:16px;flex-wrap:wrap;
  font-size:12.5px;color:rgba(255,255,255,.5);
}

/* ---------- Float CTA ---------- */
.float-cta{
  position:fixed;right:24px;bottom:24px;z-index:70;
  display:inline-flex;align-items:center;gap:9px;
  padding:13px 24px;border-radius:var(--r-pill);
  background:var(--grad);color:#fff;font-size:14px;font-weight:800;
  box-shadow:0 16px 36px rgba(122,59,255,.36);
  opacity:0;transform:translateY(16px);pointer-events:none;
  transition:opacity .3s ease,transform .3s ease,box-shadow .3s ease;
}
.float-cta.show{opacity:1;transform:translateY(0);pointer-events:auto;}
.float-cta:hover{transform:translateY(-2px);box-shadow:0 22px 46px rgba(122,59,255,.48);}
.float-cta.hide-bottom{opacity:0;transform:translateY(16px);pointer-events:none;}

/* ---------- Responsive ---------- */
@media (max-width:1023px){
  .sec-pad{padding:64px 0;}
  .cat-hero h1{font-size:34px;}
  .sec-head h2,.flow-sec h2,.faq-left h2{font-size:26px;}
  .scene-grid{grid-template-columns:repeat(2,1fr);}
  .flow-list{grid-template-columns:repeat(2,1fr);}
  .faq-wrap{grid-template-columns:1fr;gap:28px;}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px;}
  .waterfall{gap:20px;}
}
@media (max-width:900px){
  .search-box{display:none;}
  .header-actions .link-quiet{display:none;}
}
@media (max-width:767px){
  .scene-grid{grid-template-columns:1fr;}
  .waterfall{grid-template-columns:1fr;}
  .wf-wide{grid-column:auto;}
}
@media (max-width:640px){
  .container{padding:0 20px;}
  .sec-pad{padding:52px 0;}
  .header-inner{height:64px;gap:12px;}
  .site-header.scrolled .header-inner{height:60px;}
  .brand-name{font-size:13.5px;}
  .brand-pill{display:none;}
  .brand-mark{width:34px;height:34px;font-size:14px;border-radius:10px;}
  .btn-sm{padding:8px 14px;font-size:12.5px;}
  .cat-hero{padding:32px 0 30px;}
  .cat-hero h1{font-size:26px;letter-spacing:-.2px;}
  .hero-sub{font-size:14.5px;}
  .sec-head h2,.flow-sec h2,.faq-left h2{font-size:24px;}
  .cta-card{padding:36px 24px;border-radius:24px;}
  .cta-card h2{font-size:23px;}
  .cta-band{padding:0 0 52px;}
  .flow-list{grid-template-columns:1fr;gap:16px;}
  .footer-grid{grid-template-columns:1fr;gap:26px;}
  .footer-bottom{flex-direction:column;text-align:center;align-items:center;}
  .float-cta{
    left:16px;right:16px;bottom:14px;justify-content:center;
    padding:15px;border-radius:16px;font-size:14.5px;
  }
  body{padding-bottom:72px;}
  .wf-overlay{padding:20px;}
  .wf-overlay h3{font-size:17px;}
  .faq-q{padding:17px 18px;font-size:15px;}
  .faq-a p{padding:0 18px 20px;}
}