/* roulang page: index */
:root{
  --brand-1:#6D28D9;
  --brand-2:#C026D3;
  --brand-3:#FB7185;
  --cyan:#22D3EE;
  --lime:#A3E635;
  --amber:#F59E0B;
  --bg:#F7F5FF;
  --surface:#FFFFFF;
  --surface-2:#F0ECFF;
  --dark:#170B2E;
  --text:#1E1233;
  --muted:#6F628F;
  --border:#E7E1FF;
  --grad:linear-gradient(135deg,#6D28D9,#C026D3 48%,#FB7185);
  --grad-soft:linear-gradient(135deg,rgba(109,40,217,.14),rgba(192,38,211,.10) 48%,rgba(251,113,133,.14));
  --shadow-sm:0 2px 8px rgba(23,11,46,.06);
  --shadow:0 12px 30px rgba(109,40,217,.10),0 2px 8px rgba(23,11,46,.06);
  --shadow-lg:0 18px 42px rgba(109,40,217,.16);
  --r-xl:30px;
  --r-lg:22px;
  --r-md:20px;
  --r-sm:16px;
  --font:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
}
*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:var(--font);
  background:var(--bg);
  color:var(--text);
  font-size:16.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
  font-variant-numeric:tabular-nums;
}
h1,h2,h3,h4{margin:0;font-weight:800;line-height:1.28;letter-spacing:-.01em;}
p{margin:0;}
a{color:inherit;text-decoration:none;}
img{max-width:100%;display:block;}
button,input{font-family:inherit;font-size:inherit;}
ul{margin:0;padding:0;list-style:none;}
svg{display:block;}
.container{max-width:1240px;margin:0 auto;padding:0 28px;}
.section{padding:88px 0;scroll-margin-top:96px;}
.section-alt{background:linear-gradient(180deg,#FFFFFF 0%,#F7F5FF 100%);}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px;}
.section-head h2{font-size:clamp(24px,2.6vw,34px);}
.section-head .lead{color:var(--muted);font-size:15px;margin-top:10px;max-width:660px;}
.eyebrow{display:inline-flex;align-items:center;gap:8px;font-size:13px;font-weight:700;color:var(--brand-2);background:var(--surface-2);padding:6px 14px;border-radius:999px;margin-bottom:14px;}
.eyebrow::before{content:"";width:8px;height:8px;border-radius:50%;background:var(--grad);}
.link-more{display:inline-flex;align-items:center;gap:6px;font-size:14.5px;font-weight:700;color:var(--brand-1);white-space:nowrap;transition:color .2s,transform .2s;}
.link-more:hover{color:var(--brand-2);transform:translateX(3px);}
.link-more:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:6px;}

/* ---------- Header / Nav ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:80;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.nav-inner{display:flex;align-items:center;gap:18px;min-height:72px;}
.brand{display:flex;align-items:center;gap:11px;flex:none;font-weight:800;font-size:17px;color:var(--text);letter-spacing:-.02em;}
.brand-mark{
  position:relative;
  width:36px;height:36px;flex:none;
  border-radius:12px;
  background:var(--grad);
  box-shadow:0 8px 18px rgba(109,40,217,.35);
}
.brand-mark::after{
  content:"";
  position:absolute;left:9px;top:11px;right:9px;bottom:11px;
  border-radius:4px;
  background:rgba(255,255,255,.92);
}
.brand-mark::before{
  content:"";
  position:absolute;left:14px;top:15px;width:8px;height:8px;
  border-radius:50%;
  background:var(--grad);
  z-index:2;
}
.brand:hover .brand-mark{filter:brightness(1.08);}
.search{
  flex:1 1 auto;
  display:flex;align-items:center;gap:10px;
  max-width:520px;height:48px;
  padding:0 6px 0 16px;
  background:var(--surface-2);
  border:1px solid var(--border);
  border-radius:999px;
  transition:border-color .22s,box-shadow .22s,background .22s;
}
.search:focus-within{border-color:var(--brand-2);background:#fff;box-shadow:0 0 0 4px rgba(192,38,211,.14);}
.search svg{width:18px;height:18px;flex:none;color:var(--muted);}
.search input{flex:1 1 auto;min-width:0;border:0;background:transparent;outline:none;color:var(--text);font-size:15px;}
.search input::placeholder{color:#9C90BB;}
.search-btn{
  flex:none;height:36px;padding:0 18px;border:0;border-radius:999px;
  background:var(--grad);color:#fff;font-size:14px;font-weight:700;cursor:pointer;
  transition:filter .2s,transform .2s;
}
.search-btn:hover{filter:brightness(1.08);}
.search-btn:active{transform:scale(.97);}
.search-btn:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}
.nav-chips{display:flex;align-items:center;gap:8px;margin-left:auto;}
.chip{
  display:inline-flex;align-items:center;height:40px;padding:0 15px;
  border-radius:999px;border:1px solid transparent;
  font-size:14px;font-weight:600;color:var(--muted);white-space:nowrap;
  transition:color .2s,background .2s,box-shadow .2s,transform .2s;
}
.chip:hover{color:var(--brand-1);background:var(--surface-2);}
.chip:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}
.chip.is-active{background:var(--grad);color:#fff;box-shadow:0 8px 18px rgba(109,40,217,.28);}
.menu-btn{
  display:none;flex:none;width:46px;height:46px;align-items:center;justify-content:center;
  border:1px solid var(--border);border-radius:14px;background:#fff;cursor:pointer;color:var(--brand-1);
  transition:box-shadow .2s,transform .2s;
}
.menu-btn:hover{box-shadow:var(--shadow-sm);}
.menu-btn:focus-visible{outline:2px solid var(--lime);outline-offset:2px;}
.drawer{display:none;border-bottom:1px solid var(--border);background:#fff;}
.drawer.open{display:block;}
.drawer-links{display:grid;gap:4px;padding:14px 0 20px;}
.drawer-links a{
  display:flex;align-items:center;min-height:46px;padding:0 16px;border-radius:14px;
  font-size:15px;font-weight:600;color:var(--muted);background:var(--surface-2);
}
.drawer-links a.is-active{background:var(--grad);color:#fff;}

/* ---------- Hero ---------- */
.hero-wrap{padding:32px 0 12px;}
.hero{
  position:relative;overflow:hidden;
  border-radius:var(--r-xl);
  background:var(--grad);
  color:#fff;
  padding:56px;
  display:grid;grid-template-columns:1.05fr .95fr;gap:40px;align-items:center;
  box-shadow:var(--shadow-lg);
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url('/assets/images/backpic/back-1.webp');
  background-size:cover;background-position:center;
  opacity:.26;
}
.hero::after{
  content:"";position:absolute;inset:0;
  background:
    radial-gradient(520px 320px at 12% 12%,rgba(34,211,238,.28),transparent 70%),
    radial-gradient(460px 300px at 88% 82%,rgba(163,230,53,.22),transparent 72%);
  pointer-events:none;
}
.hero-copy,.hero-figure{position:relative;z-index:2;}
.hero-tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:7px 16px;border-radius:999px;
  background:rgba(255,255,255,.18);border:1px solid rgba(255,255,255,.32);
  font-size:13px;font-weight:700;letter-spacing:.02em;
}
.hero h1{font-size:clamp(32px,4.6vw,54px);line-height:1.15;margin-top:20px;}
.hero-sub{margin-top:20px;font-size:16.5px;line-height:1.85;color:rgba(255,255,255,.88);max-width:600px;}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px;}
.stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:30px;}
.stat{
  display:flex;align-items:baseline;gap:9px;
  padding:10px 20px;border-radius:999px;
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.3);
  backdrop-filter:blur(6px);
}
.stat b{font-size:20px;font-weight:800;}
.stat span{font-size:12px;color:rgba(255,255,255,.8);}
.hero-figure img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--r-lg);
  border:1px solid rgba(255,255,255,.35);
  box-shadow:0 22px 50px rgba(23,11,46,.38);
}

/* ---------- Buttons ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:700;cursor:pointer;
  border:1px solid transparent;
  transition:transform .2s,box-shadow .2s,filter .2s,background .2s,color .2s;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 26px rgba(109,40,217,.34);}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 16px 36px rgba(109,40,217,.42);}
.btn-primary:active{transform:scale(.98);}
.btn-outline{background:#fff;color:var(--brand-1);border-color:#D9CEFF;}
.btn-outline:hover{transform:translateY(-2px);box-shadow:var(--shadow);}
.btn-outline:active{transform:scale(.98);}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.52);}
.btn-ghost:hover{background:rgba(255,255,255,.26);transform:translateY(-2px);}
.btn-ghost:active{transform:scale(.98);}
.btn:focus-visible{outline:2px solid var(--lime);outline-offset:3px;}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}

/* ---------- Badges ---------- */
.badge{display:inline-flex;align-items:center;gap:6px;padding:5px 12px;border-radius:999px;font-size:12.5px;font-weight:700;background:var(--surface-2);color:var(--brand-1);}
.badge-amber{background:rgba(245,158,11,.16);color:#B45309;}
.badge-cyan{background:rgba(34,211,238,.18);color:#0E7490;}
.badge-grad{background:var(--grad);color:#fff;}
.badge-soft{background:rgba(109,40,217,.10);color:var(--brand-1);}

/* ---------- Cards ---------- */
.grid-3{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px;}
.grid-4{display:grid;grid-template-columns:repeat(4,minmax(0,1fr));gap:20px;}
.card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--r-md);
  box-shadow:var(--shadow-sm);
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#DCCFFF;}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--surface-2);}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .45s ease;}
.card:hover .card-media img{transform:scale(1.04);}
.card-count{
  position:absolute;left:14px;bottom:14px;
  padding:6px 13px;border-radius:999px;
  background:rgba(23,11,46,.74);color:#fff;font-size:12.5px;font-weight:700;
  backdrop-filter:blur(6px);
}
.card-body{padding:22px;display:flex;flex-direction:column;gap:12px;flex:1;}
.card-body h3{font-size:19px;line-height:1.45;transition:color .2s;}
.card:hover .card-body h3{color:var(--brand-1);}
.card-body p{
  font-size:14.5px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.card-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:auto;font-size:13px;color:var(--muted);}

/* ---------- Horizontal track ---------- */
.track{
  display:flex;gap:20px;overflow-x:auto;
  padding:6px 4px 20px;
  scroll-snap-type:x mandatory;
  scrollbar-width:none;
  cursor:grab;
}
.track::-webkit-scrollbar{display:none;}
.pick{
  flex:0 0 320px;scroll-snap-align:start;
  display:flex;gap:16px;padding:18px;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-md);
  box-shadow:var(--shadow-sm);
  transition:transform .25s,box-shadow .25s;
}
.pick:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);}
.pick img{width:88px;height:88px;flex:none;object-fit:cover;border-radius:var(--r-sm);}
.pick-body{display:flex;flex-direction:column;gap:8px;min-width:0;}
.pick-num{
  font-size:24px;font-weight:800;line-height:1;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.pick-body h3{font-size:17px;line-height:1.45;}
.pick-body p{
  font-size:13.5px;color:var(--muted);line-height:1.7;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}

/* ---------- Latest (CMS) ---------- */
.post-card{
  display:flex;flex-direction:column;gap:12px;
  padding:24px;background:#fff;border:1px solid var(--border);
  border-radius:var(--r-md);box-shadow:var(--shadow-sm);
  transition:transform .25s,box-shadow .25s,border-color .25s;
}
.post-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:#DCCFFF;}
.post-card h3{font-size:18px;line-height:1.5;transition:color .2s;}
.post-card:hover h3{color:var(--brand-1);}
.post-card p{
  font-size:14.5px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:3;-webkit-box-orient:vertical;overflow:hidden;
}
.post-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-top:auto;font-size:13px;color:var(--muted);}
.empty{
  grid-column:1/-1;text-align:center;
  padding:52px 24px;border:1px dashed #D9CEFF;border-radius:var(--r-md);
  background:var(--surface-2);
}
.empty svg{width:44px;height:44px;margin:0 auto 14px;color:var(--brand-2);}
.empty p{color:var(--muted);font-size:15px;margin-bottom:20px;}

/* ---------- Tags ---------- */
.tags{display:flex;flex-wrap:wrap;gap:10px;}
.tag{
  padding:9px 17px;border-radius:999px;border:1px solid transparent;
  background:var(--surface-2);color:#5B4A86;font-size:14px;font-weight:600;
  transition:background .22s,color .22s,transform .22s,box-shadow .22s;
}
.tag:hover{background:var(--grad);color:#fff;transform:translateY(-2px);box-shadow:0 10px 22px rgba(109,40,217,.24);}
.tag:focus-visible{outline:2px solid var(--lime);outline-offset:3px;}

/* ---------- CTA ---------- */
.cta{
  position:relative;overflow:hidden;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  padding:52px;border-radius:var(--r-xl);
  background:var(--grad);color:#fff;
  box-shadow:var(--shadow-lg);
}
.cta::after{
  content:"";position:absolute;inset:0;
  background:radial-gradient(420px 260px at 82% 18%,rgba(34,211,238,.3),transparent 70%);
  pointer-events:none;
}
.cta-text{position:relative;z-index:2;}
.cta h2{font-size:clamp(22px,2.6vw,30px);}
.cta p{margin-top:12px;font-size:15.5px;line-height:1.8;color:rgba(255,255,255,.86);max-width:640px;}
.cta-actions{position:relative;z-index:2;display:flex;gap:14px;flex:none;}
.share-note{position:relative;z-index:2;font-size:13px;color:rgba(255,255,255,.75);margin-top:16px;}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:920px;margin:0 auto;}
.faq-item{
  position:relative;overflow:hidden;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-md);
  box-shadow:var(--shadow-sm);transition:box-shadow .25s,border-color .25s;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:var(--grad);opacity:0;transition:opacity .25s;
}
.faq-item.open{border-color:#DCCFFF;box-shadow:var(--shadow);}
.faq-item.open::before{opacity:1;}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;border:0;background:none;cursor:pointer;text-align:left;
  font-size:17px;font-weight:700;color:var(--text);line-height:1.5;
}
.faq-q:focus-visible{outline:2px solid var(--lime);outline-offset:-2px;border-radius:var(--r-md);}
.faq-icon{flex:none;width:22px;height:22px;color:var(--brand-1);transition:transform .3s ease;}
.faq-item.open .faq-icon{transform:rotate(45deg);}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease;}
.faq-a p{padding:0 24px 22px;font-size:15.5px;line-height:1.85;color:var(--muted);}

/* ---------- Footer ---------- */
.footer{background:var(--dark);color:rgba(255,255,255,.72);margin-top:88px;padding-top:72px;}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1.2fr;gap:38px;padding-bottom:48px;}
.footer h4{color:#fff;font-size:16px;margin-bottom:18px;}
.footer a{display:block;padding:6px 0;font-size:14.5px;color:rgba(255,255,255,.72);transition:color .2s,transform .2s;}
.footer a:hover{color:var(--lime);transform:translateX(3px);}
.footer a:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:6px;}
.footer-brand .brand{color:#fff;}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:340px;}
.footer-bottom{
  display:flex;align-items:center;justify-content:space-between;gap:16px;flex-wrap:wrap;
  padding:22px 0;border-top:1px solid rgba(255,255,255,.12);
  font-size:13.5px;color:rgba(255,255,255,.6);
}
.footer-bottom a{display:inline;padding:0;}

/* ---------- Back to top ---------- */
.to-top{
  position:fixed;right:24px;bottom:28px;z-index:60;
  width:50px;height:50px;border:0;border-radius:50%;
  background:var(--grad);color:#fff;cursor:pointer;
  display:none;align-items:center;justify-content:center;
  box-shadow:var(--shadow-lg);
  transition:transform .2s,filter .2s;
}
.to-top.show{display:flex;}
.to-top:hover{transform:translateY(-3px);filter:brightness(1.08);}
.to-top:focus-visible{outline:2px solid var(--lime);outline-offset:3px;}

/* ---------- Responsive ---------- */
@media (max-width:1279px){
  .container{max-width:960px;}
  .grid-4{grid-template-columns:repeat(2,minmax(0,1fr));}
}
@media (max-width:1023px){
  .container{max-width:100%;padding:0 20px;}
  .nav-inner{flex-wrap:wrap;gap:12px;padding:12px 0;min-height:0;}
  .brand{order:1;}
  .menu-btn{order:2;margin-left:auto;display:inline-flex;}
  .search{order:3;flex:1 1 100%;max-width:100%;}
  .nav-chips{order:4;flex:1 1 100%;margin-left:0;overflow-x:auto;padding-bottom:4px;scrollbar-width:none;}
  .nav-chips::-webkit-scrollbar{display:none;}
  .hero{grid-template-columns:1fr;padding:40px;gap:30px;}
  .hero-figure{order:2;}
  .grid-3{grid-template-columns:repeat(2,minmax(0,1fr));}
  .footer-grid{grid-template-columns:repeat(2,minmax(0,1fr));gap:30px;}
  .section{padding:64px 0;}
}
@media (max-width:767px){
  body{font-size:15.5px;}
  .section{padding:52px 0;}
  .hero{padding:28px 22px;border-radius:24px;}
  .hero-sub{font-size:15.5px;}
  .hero-actions .btn{width:100%;}
  .stats{gap:10px;}
  .stat{padding:8px 15px;}
  .stat b{font-size:17px;}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px;}
  .cta{flex-direction:column;align-items:flex-start;padding:32px 24px;}
  .cta-actions{width:100%;flex-direction:column;}
  .cta-actions .btn{width:100%;}
  .track{flex-direction:column;overflow:visible;}
  .pick{flex:1 1 auto;}
  .faq-q{font-size:16px;padding:18px;}
  .faq-a p{padding:0 18px 20px;}
  .to-top{right:16px;bottom:18px;width:46px;height:46px;}
}
@media (max-width:519px){
  .container{padding:0 16px;}
  .grid-3,.grid-4{grid-template-columns:1fr;}
  .footer-grid{grid-template-columns:1fr;}
  .card-body{padding:18px;}
  .post-card{padding:18px;}
  .brand{font-size:15.5px;}
  .brand-mark{width:32px;height:32px;}
}

/* roulang page: category1 */
:root{
  --violet:#6D28D9;
  --magenta:#C026D3;
  --coral:#FB7185;
  --cyan:#22D3EE;
  --lime:#A3E635;
  --amber:#F59E0B;
  --bg:#F7F5FF;
  --surface:#FFFFFF;
  --surface-2:#F0ECFF;
  --dark:#170B2E;
  --text:#1E1233;
  --muted:#6F628F;
  --border:#E7E1FF;
  --grad:linear-gradient(135deg,#6D28D9 0%,#C026D3 48%,#FB7185 100%);
  --grad-soft:linear-gradient(135deg,rgba(109,40,217,.12),rgba(192,38,211,.10) 50%,rgba(251,113,133,.12));
  --r-hero:30px;
  --r-card:20px;
  --r-sm:14px;
  --pill:999px;
  --shadow:0 12px 30px rgba(109,40,217,.10),0 2px 8px rgba(23,11,46,.06);
  --shadow-hover:0 18px 42px rgba(109,40,217,.16);
  --container:1240px;
}

*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;border:0}
a{color:inherit;text-decoration:none}
button{font:inherit;color:inherit}
ul,ol{margin:0;padding:0;list-style:none}
h1,h2,h3,h4,p{margin:0}
input,button{font-family:inherit}

:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:10px}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 28px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.num{font-variant-numeric:tabular-nums;font-feature-settings:"tnum"}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(16px);
  -webkit-backdrop-filter:blur(16px);
  border-bottom:1px solid var(--border);
}
.nav-top{display:flex;align-items:center;gap:22px;height:72px}
.brand{display:inline-flex;align-items:center;gap:11px;white-space:nowrap}
.brand-mark{
  width:32px;height:32px;border-radius:11px;background:var(--grad);position:relative;flex:0 0 auto;
  box-shadow:0 8px 18px rgba(192,38,211,.34);
}
.brand-mark::after{
  content:"";position:absolute;inset:9px;border-radius:50%;
  background:#fff;opacity:.92;
}
.brand-text{
  font-size:17px;font-weight:800;letter-spacing:.2px;
  background:linear-gradient(135deg,#4C1D95,#C026D3 70%);
  -webkit-background-clip:text;background-clip:text;color:transparent;
}
.search{
  flex:1 1 auto;max-width:520px;margin:0 auto;
  display:flex;align-items:center;gap:10px;
  height:48px;padding:0 6px 0 18px;
  background:var(--surface-2);border:1px solid var(--border);border-radius:var(--pill);
  transition:border-color .25s,box-shadow .25s,background .25s;
}
.search:focus-within{background:#fff;border-color:rgba(109,40,217,.45);box-shadow:0 0 0 4px rgba(109,40,217,.10)}
.search > i{color:var(--muted);font-size:15px}
.search input{
  flex:1;height:100%;border:0;background:transparent;outline:none;
  font-size:15px;color:var(--text);
}
.search input::placeholder{color:#9C90B8}
.search button{
  height:38px;padding:0 20px;border:0;border-radius:var(--pill);
  background:var(--grad);color:#fff;font-size:14px;font-weight:700;cursor:pointer;
  transition:filter .25s,transform .25s,box-shadow .25s;
}
.search button:hover{filter:brightness(1.08);transform:translateY(-1px);box-shadow:0 10px 20px rgba(192,38,211,.28)}
.search button:active{transform:scale(.97)}
.menu-toggle{
  display:none;width:44px;height:44px;flex:0 0 auto;align-items:center;justify-content:center;
  border:1px solid var(--border);background:#fff;border-radius:14px;color:var(--violet);
  cursor:pointer;transition:.25s;
}
.menu-toggle:hover{border-color:rgba(109,40,217,.4);box-shadow:0 8px 18px rgba(109,40,217,.12)}

.nav-chips{display:flex;gap:10px;padding:0 0 14px;overflow-x:auto;scrollbar-width:none}
.nav-chips::-webkit-scrollbar{display:none}
.chip{
  display:inline-flex;align-items:center;height:38px;padding:0 18px;
  border-radius:var(--pill);background:var(--surface-2);border:1px solid var(--border);
  color:#4B3B73;font-size:14.5px;font-weight:600;white-space:nowrap;
  transition:background .22s,border-color .22s,color .22s,transform .22s,box-shadow .22s;
}
.chip:hover{background:#fff;border-color:rgba(109,40,217,.35);color:var(--violet);transform:translateY(-2px)}
.chip.is-active{background:var(--grad);border-color:transparent;color:#fff;box-shadow:0 10px 22px rgba(192,38,211,.28)}

/* ============ 通用按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:9px;
  height:48px;padding:0 26px;border-radius:var(--pill);border:1px solid transparent;
  font-size:15.5px;font-weight:700;cursor:pointer;white-space:nowrap;
  transition:transform .25s,box-shadow .25s,filter .25s,background .25s,color .25s,border-color .25s;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 26px rgba(192,38,211,.28)}
.btn-primary:hover{filter:brightness(1.07);transform:translateY(-2px);box-shadow:0 18px 38px rgba(192,38,211,.34)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:#fff;color:var(--violet);border-color:#DCD2FF}
.btn-ghost:hover{border-color:var(--violet);transform:translateY(-2px);box-shadow:0 14px 28px rgba(109,40,217,.14)}
.btn-ghost:active{transform:scale(.98)}
.btn-on-dark{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.42);backdrop-filter:blur(6px)}
.btn-on-dark:hover{background:rgba(255,255,255,.24);transform:translateY(-2px)}
.btn:disabled,.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}

/* ============ 面包屑 ============ */
.crumbs{padding:28px 0 0;font-size:13.5px;color:var(--muted)}
.crumbs ol{display:flex;flex-wrap:wrap;align-items:center;gap:8px}
.crumbs a{color:var(--muted);transition:color .2s}
.crumbs a:hover{color:var(--violet)}
.crumbs .sep{color:#C3B8E4}
.crumbs .current{color:var(--violet);font-weight:700}

/* ============ Hero ============ */
.hero{padding:18px 0 0}
.hero-card{
  position:relative;border-radius:var(--r-hero);overflow:hidden;
  background:linear-gradient(135deg,#2A1055 0%,#4C1D95 46%,#8B1F8F 100%);
  box-shadow:0 26px 60px rgba(35,15,70,.28);
  color:#fff;
}
.hero-bg{
  position:absolute;inset:0;
  background-image:url(/assets/images/backpic/back-1.webp);
  background-size:cover;background-position:center;
  opacity:.4;
}
.hero-overlay{
  position:absolute;inset:0;
  background:linear-gradient(120deg,rgba(23,11,46,.94) 0%,rgba(76,29,149,.72) 46%,rgba(251,113,133,.28) 100%);
}
.hero-inner{
  position:relative;z-index:2;
  display:grid;grid-template-columns:1.15fr .85fr;gap:40px;align-items:center;
  padding:56px 56px 52px;
}
.hero-eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  padding:6px 14px;border-radius:var(--pill);
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);
  font-size:13px;font-weight:600;letter-spacing:.4px;color:#F4ECFF;
}
.hero h1{
  margin:18px 0 0;
  font-size:clamp(32px,4.6vw,52px);line-height:1.15;font-weight:800;
  letter-spacing:-.5px;
}
.hero h1 em{font-style:normal;background:linear-gradient(135deg,#A3E635,#22D3EE);-webkit-background-clip:text;background-clip:text;color:transparent}
.hero-sub{margin-top:18px;max-width:620px;font-size:16.5px;line-height:1.85;color:rgba(255,255,255,.82)}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px;margin-top:28px}
.stat-badge{
  display:flex;flex-direction:column;gap:2px;
  min-width:132px;padding:12px 20px;border-radius:18px;
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.26);
  backdrop-filter:blur(8px);
}
.stat-badge b{font-size:21px;font-weight:800;line-height:1.3;letter-spacing:.2px}
.stat-badge span{font-size:12px;color:rgba(255,255,255,.72)}
.hero-actions{display:flex;flex-wrap:wrap;gap:14px;margin-top:30px}
.hero-figure{position:relative;border-radius:22px;overflow:hidden;box-shadow:0 22px 50px rgba(15,6,34,.42);aspect-ratio:16/10;background:#2A1055}
.hero-figure img{width:100%;height:100%;object-fit:cover}
.hero-figure .fig-tag{
  position:absolute;left:16px;bottom:16px;
  display:inline-flex;align-items:center;gap:8px;
  padding:8px 16px;border-radius:var(--pill);
  background:rgba(23,11,46,.68);border:1px solid rgba(255,255,255,.24);
  font-size:13px;color:#F1E9FF;backdrop-filter:blur(6px);
}

/* ============ 板块通用 ============ */
.section{padding:76px 0 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;flex-wrap:wrap;margin-bottom:30px}
.section-head h2{
  font-size:clamp(24px,2.6vw,32px);font-weight:800;line-height:1.3;letter-spacing:-.3px;
  display:flex;align-items:center;gap:12px;
}
.section-head h2::before{
  content:"";width:6px;height:26px;border-radius:var(--pill);background:var(--grad);flex:0 0 auto;
}
.section-head p{margin-top:10px;color:var(--muted);font-size:15px;max-width:760px}
.text-link{color:var(--violet);font-weight:700;font-size:14.5px;display:inline-flex;align-items:center;gap:6px;transition:gap .2s,color .2s}
.text-link:hover{gap:11px;color:var(--magenta)}

/* ============ 筛选条 ============ */
.filter-bar{
  display:flex;align-items:center;justify-content:space-between;gap:18px;flex-wrap:wrap;
  padding:16px 20px;border-radius:22px;background:var(--surface);
  border:1px solid var(--border);box-shadow:var(--shadow);margin-bottom:28px;
}
.filter-chips{display:flex;gap:10px;flex-wrap:wrap}
.filter-chip{
  height:40px;padding:0 20px;border-radius:var(--pill);
  background:var(--surface-2);border:1px solid var(--border);color:#4B3B73;
  font-size:14.5px;font-weight:600;cursor:pointer;
  transition:.22s;
}
.filter-chip:hover{background:#fff;border-color:rgba(109,40,217,.4);color:var(--violet);transform:translateY(-2px)}
.filter-chip.is-active{background:var(--grad);border-color:transparent;color:#fff;box-shadow:0 10px 22px rgba(192,38,211,.26)}
.filter-note{font-size:13.5px;color:var(--muted)}
.filter-note b{color:var(--violet);font-weight:800}

/* ============ 专题网格 ============ */
.topic-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:26px}
.topic-card{
  display:flex;flex-direction:column;overflow:hidden;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-card);
  box-shadow:var(--shadow);
  transition:transform .28s,box-shadow .28s,border-color .28s;
}
.topic-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#D9CCFF}
.topic-cover{position:relative;display:block;aspect-ratio:16/10;overflow:hidden;background:var(--surface-2)}
.topic-cover img{width:100%;height:100%;object-fit:cover;transition:transform .55s ease}
.topic-card:hover .topic-cover img{transform:scale(1.04)}
.cover-badge{
  position:absolute;left:14px;top:14px;
  padding:6px 13px;border-radius:var(--pill);
  background:rgba(23,11,46,.66);border:1px solid rgba(255,255,255,.22);
  color:#fff;font-size:12.5px;font-weight:700;backdrop-filter:blur(6px);
}
.save-btn{
  position:absolute;right:12px;top:12px;
  width:38px;height:38px;border-radius:50%;
  display:inline-flex;align-items:center;justify-content:center;
  background:rgba(255,255,255,.9);border:1px solid rgba(255,255,255,.6);
  color:var(--violet);cursor:pointer;transition:.24s;
}
.save-btn:hover{background:#fff;transform:translateY(-2px);box-shadow:0 10px 20px rgba(23,11,46,.2)}
.save-btn.is-saved{background:var(--grad);color:#fff;border-color:transparent}
.topic-body{padding:20px 22px 24px;display:flex;flex-direction:column;gap:12px;flex:1}
.topic-meta{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:12.5px;color:var(--muted)}
.tag{
  display:inline-flex;align-items:center;height:26px;padding:0 12px;border-radius:var(--pill);
  background:var(--grad-soft);border:1px solid #E2D8FF;color:#5B21B6;font-size:12.5px;font-weight:700;
}
.topic-body h3{font-size:19px;line-height:1.5;font-weight:800}
.topic-body h3 a{transition:color .22s}
.topic-card:hover .topic-body h3 a{color:var(--violet)}
.topic-body p{font-size:14.5px;line-height:1.75;color:var(--muted);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.topic-foot{margin-top:auto;padding-top:14px;border-top:1px dashed var(--border);display:flex;align-items:center;justify-content:space-between;font-size:13px;color:var(--muted)}
.topic-foot .entry-count{display:inline-flex;align-items:center;gap:7px;font-weight:700;color:#4B3B73}
.topic-foot .entry-count i{color:var(--magenta)}

/* ============ 维护说明 ============ */
.steps{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:24px}
.step-card{
  padding:26px 24px;border-radius:var(--r-card);
  background:var(--surface);border:1px solid var(--border);box-shadow:var(--shadow);
  transition:transform .26s,box-shadow .26s;
}
.step-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.step-no{
  display:inline-flex;align-items:center;justify-content:center;
  width:44px;height:44px;border-radius:14px;background:var(--grad);color:#fff;
  font-weight:800;font-size:16px;box-shadow:0 10px 22px rgba(192,38,211,.26);
}
.step-card h3{margin-top:16px;font-size:19px;font-weight:800}
.step-card p{margin-top:10px;color:var(--muted);font-size:14.5px}

/* ============ 分页 ============ */
.pager{display:flex;align-items:center;justify-content:center;gap:10px;flex-wrap:wrap;margin-top:42px}
.pager a,.pager span{
  display:inline-flex;align-items:center;justify-content:center;
  min-width:44px;height:44px;padding:0 16px;border-radius:var(--pill);
  background:#fff;border:1px solid var(--border);color:#4B3B73;font-weight:700;font-size:14.5px;
  transition:.22s;
}
.pager a:hover{border-color:rgba(109,40,217,.4);color:var(--violet);transform:translateY(-2px);box-shadow:0 12px 24px rgba(109,40,217,.12)}
.pager .is-current{background:var(--grad);border-color:transparent;color:#fff;box-shadow:0 12px 24px rgba(192,38,211,.26)}
.pager .is-disabled{opacity:.45;cursor:not-allowed}

/* ============ 相关分类横滑 ============ */
.rail{display:flex;gap:22px;overflow-x:auto;padding:6px 4px 18px;scroll-snap-type:x mandatory;scrollbar-width:thin}
.rail::-webkit-scrollbar{height:6px}
.rail::-webkit-scrollbar-thumb{background:#D8CCFF;border-radius:999px}
.rail-card{
  flex:0 0 306px;scroll-snap-align:start;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-card);overflow:hidden;
  box-shadow:var(--shadow);transition:transform .26s,box-shadow .26s;
}
.rail-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover)}
.rail-card img{aspect-ratio:16/10;width:100%;object-fit:cover}
.rail-card .rail-body{padding:18px 20px 22px}
.rail-card h3{font-size:17px;font-weight:800;line-height:1.5}
.rail-card p{margin-top:8px;font-size:14px;color:var(--muted)}
.rail-card.is-current{border-color:transparent;box-shadow:0 0 0 2px rgba(192,38,211,.4),var(--shadow)}

/* ============ 收藏分享 CTA ============ */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-hero);
  background:linear-gradient(135deg,#6D28D9 0%,#C026D3 48%,#FB7185 100%);
  color:#fff;padding:52px 52px;
  display:grid;grid-template-columns:1.2fr .8fr;gap:32px;align-items:center;
  box-shadow:0 28px 60px rgba(109,40,217,.26);
}
.cta-band::after{
  content:"";position:absolute;right:-80px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(163,230,53,.42),rgba(34,211,238,0) 68%);
}
.cta-band h2{font-size:clamp(24px,2.8vw,34px);font-weight:800;line-height:1.32;position:relative;z-index:2}
.cta-band p{margin-top:14px;font-size:15.5px;line-height:1.85;color:rgba(255,255,255,.86);max-width:640px;position:relative;z-index:2}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;justify-content:flex-end;position:relative;z-index:2}
.cta-actions .btn{background:#fff;color:#7A1FB8;box-shadow:0 14px 30px rgba(23,11,46,.2)}
.cta-actions .btn:hover{transform:translateY(-2px);box-shadow:0 20px 40px rgba(23,11,46,.26)}
.cta-actions .btn.alt{background:rgba(255,255,255,.16);color:#fff;border-color:rgba(255,255,255,.5);box-shadow:none}
.cta-actions .btn.alt:hover{background:rgba(255,255,255,.26)}

/* ============ FAQ ============ */
.faq-list{display:grid;gap:14px}
.faq-item{
  position:relative;overflow:hidden;background:#fff;
  border:1px solid var(--border);border-radius:18px;box-shadow:var(--shadow);
  transition:box-shadow .25s,border-color .25s;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;background:var(--grad);
  opacity:0;transition:opacity .28s;
}
.faq-item.is-open::before{opacity:1}
.faq-item:hover{box-shadow:var(--shadow-hover);border-color:#D9CCFF}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 26px;background:none;border:0;cursor:pointer;text-align:left;
  font-size:17.5px;font-weight:700;line-height:1.6;
}
.faq-q i{flex:0 0 auto;color:var(--violet);font-size:15px;transition:transform .3s}
.faq-item.is-open .faq-q i{transform:rotate(45deg)}
.faq-a{max-height:0;overflow:hidden;transition:max-height .36s ease;padding:0 26px}
.faq-a p{color:var(--muted);font-size:15.5px;line-height:1.85;padding-bottom:22px}

/* ============ 页脚 ============ */
.footer{margin-top:88px;background:var(--dark);color:rgba(255,255,255,.72);padding:64px 0 28px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.footer-brand .brand{margin-bottom:16px}
.footer-brand .brand-text{
  background:linear-gradient(135deg,#E9D5FF,#FBCFE8);-webkit-background-clip:text;background-clip:text;color:transparent;
}
.footer-brand p{font-size:14.5px;line-height:1.85;color:rgba(255,255,255,.66);max-width:360px}
.footer h4{color:#fff;font-size:15.5px;font-weight:800;margin-bottom:16px;letter-spacing:.3px}
.footer h4::after{content:"";display:block;width:28px;height:3px;border-radius:999px;background:var(--grad);margin-top:9px}
.footer a{display:block;font-size:14.5px;color:rgba(255,255,255,.72);padding:6px 0;transition:color .22s,transform .22s}
.footer a:hover{color:var(--lime);transform:translateX(3px)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13.5px;color:rgba(255,255,255,.55);
}

/* ============ 返回顶部 ============ */
.to-top{
  position:fixed;right:24px;bottom:28px;z-index:70;
  width:48px;height:48px;border-radius:50%;border:0;cursor:pointer;
  background:var(--grad);color:#fff;font-size:16px;
  box-shadow:0 14px 30px rgba(109,40,217,.32);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .28s,transform .28s,visibility .28s;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{filter:brightness(1.08);transform:translateY(-3px)}

/* ============ 状态样式 ============ */
.skeleton{background:linear-gradient(90deg,#EFEAFF 25%,#F7F5FF 50%,#EFEAFF 75%);background-size:200% 100%;animation:shimmer 1.4s infinite;border-radius:12px}
@keyframes shimmer{0%{background-position:200% 0}100%{background-position:-200% 0}}
.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:56px 24px;text-align:center;background:#fff;border:1px dashed #D9CCFF;border-radius:var(--r-card);
}
.empty-state i{font-size:30px;color:var(--magenta)}
.empty-state p{color:var(--muted);font-size:15px}
.error-text{border-color:#FCA5A5 !important;box-shadow:0 0 0 4px rgba(248,113,113,.14) !important}
.error-hint{color:#DC2626;font-size:13px;margin-top:8px}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{max-width:960px}
  .hero-inner{padding:44px 40px}
}
@media (max-width:1023px){
  .topic-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .steps{grid-template-columns:repeat(2,minmax(0,1fr))}
  .hero-inner{grid-template-columns:1fr;padding:40px 34px}
  .hero-figure{order:-1}
  .cta-band{grid-template-columns:1fr;padding:42px 36px}
  .cta-actions{justify-content:flex-start}
  .footer-grid{grid-template-columns:1.4fr 1fr 1fr;gap:28px}
}
@media (max-width:900px){
  .nav-top{flex-wrap:wrap;height:auto;padding:12px 0 0;gap:12px}
  .brand{font-size:15.5px}
  .brand-mark{width:28px;height:28px}
  .menu-toggle{display:inline-flex;margin-left:auto}
  .search{order:3;width:100%;max-width:none;margin:0}
  .nav-chips{padding:14px 0 16px}
  .site-header.open .nav-chips{flex-direction:column;align-items:stretch;gap:8px;padding-bottom:20px}
  .site-header.open .chip{justify-content:center;height:46px;font-size:15px}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .container{padding:0 18px}
  .section{padding:52px 0 0}
  .topic-grid,.steps{grid-template-columns:1fr;gap:20px}
  .hero-card{border-radius:24px}
  .hero-inner{padding:32px 22px}
  .hero h1{font-size:clamp(26px,7.4vw,34px)}
  .hero-sub{font-size:15px}
  .hero-stats{gap:10px}
  .stat-badge{flex:1 1 46%;min-width:0;padding:10px 16px}
  .stat-badge b{font-size:18px}
  .hero-actions .btn{width:100%}
  .section-head h2{font-size:23px}
  .filter-bar{padding:14px;border-radius:18px}
  .filter-chip{height:38px;padding:0 16px;font-size:14px}
  .faq-q{padding:18px 20px;font-size:16px}
  .faq-a{padding:0 20px}
  .cta-band{padding:34px 22px;border-radius:24px}
  .cta-actions{width:100%}
  .cta-actions .btn{width:100%}
  .footer{padding:48px 0 24px;margin-top:64px}
  .footer-grid{grid-template-columns:1fr 1fr;gap:24px}
  .footer-brand{grid-column:1 / -1}
  .footer-bottom{flex-direction:column;align-items:flex-start;gap:8px}
  .to-top{right:16px;bottom:18px;width:44px;height:44px}
}
@media (max-width:479px){
  .container{padding:0 14px}
  .hero-inner{padding:26px 18px}
  .hero-eyebrow{font-size:12px;padding:5px 12px}
  .stat-badge{flex:1 1 100%}
  .rail-card{flex-basis:260px}
  .footer-grid{grid-template-columns:1fr}
  .pager a,.pager span{min-width:40px;height:40px;padding:0 13px;font-size:13.5px}
}

/* roulang page: article */
:root{
  --brand-1:#6D28D9;
  --brand-2:#C026D3;
  --brand-3:#FB7185;
  --cyan:#22D3EE;
  --lime:#A3E635;
  --amber:#F59E0B;
  --bg:#F7F5FF;
  --surface:#FFFFFF;
  --surface-2:#F0ECFF;
  --dark:#170B2E;
  --text:#1E1233;
  --text-soft:#3A2A5C;
  --muted:#6F628F;
  --border:#E7E1FF;
  --grad:linear-gradient(135deg,#6D28D9,#C026D3 48%,#FB7185);
  --grad-soft:linear-gradient(135deg,rgba(109,40,217,.12),rgba(192,38,211,.10),rgba(251,113,133,.14));
  --r-xl:30px;
  --r-lg:22px;
  --r-md:18px;
  --r-sm:14px;
  --shadow:0 12px 30px rgba(109,40,217,.10),0 2px 8px rgba(23,11,46,.06);
  --shadow-hover:0 18px 42px rgba(109,40,217,.16);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Helvetica,Arial,sans-serif;
  font-size:16px;
  line-height:1.8;
  font-weight:400;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;height:auto}
a{color:inherit;text-decoration:none}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
ul,ol{margin:0;padding:0}
h1,h2,h3,h4{margin:0;font-weight:800;letter-spacing:-.02em;line-height:1.28}
p{margin:0}
:focus-visible{outline:2px solid var(--lime);outline-offset:2px;border-radius:6px}
.num{font-variant-numeric:tabular-nums}

.container{width:100%;max-width:var(--container);margin:0 auto;padding:0 28px}

/* ============ 按钮 ============ */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:999px;
  font-size:15px;font-weight:700;letter-spacing:0;
  transition:transform .18s ease,box-shadow .18s ease,filter .18s ease,background .18s ease,color .18s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(109,40,217,.28)}
.btn-primary:hover{filter:brightness(1.08);transform:translateY(-2px);box-shadow:0 16px 34px rgba(109,40,217,.34)}
.btn-primary:active{transform:scale(.98)}
.btn-outline{background:#fff;color:var(--brand-1);border:1.5px solid #D9CDFA}
.btn-outline:hover{border-color:var(--brand-2);color:var(--brand-2);transform:translateY(-2px);box-shadow:var(--shadow)}
.btn-outline:active{transform:scale(.98)}
.btn-light{background:#fff;color:#5B1BA6;box-shadow:0 10px 26px rgba(23,11,46,.22)}
.btn-light:hover{transform:translateY(-2px);filter:brightness(1.03)}
.btn-ghost{background:rgba(255,255,255,.12);color:#fff;border:1.5px solid rgba(255,255,255,.55)}
.btn-ghost:hover{background:rgba(255,255,255,.2);transform:translateY(-2px)}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}

/* ============ 徽章 / 标签 ============ */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 13px;border-radius:999px;
  font-size:13px;font-weight:700;
  background:var(--surface-2);color:#6B21A8;
  border:1px solid var(--border);
}
.badge-grad{background:var(--grad);color:#fff;border-color:transparent}
.badge-amber{background:rgba(245,158,11,.14);color:#B45309;border-color:rgba(245,158,11,.3)}
.tag{
  display:inline-flex;align-items:center;height:36px;padding:0 16px;border-radius:999px;
  background:#fff;border:1px solid var(--border);color:#5A4A7E;font-size:13.5px;font-weight:600;
  transition:all .2s ease;
}
.tag:hover{background:var(--grad);color:#fff;border-color:transparent;transform:translateY(-2px)}

/* ============ 顶部导航 ============ */
.site-header{
  position:sticky;top:0;z-index:80;
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(16px) saturate(160%);
  -webkit-backdrop-filter:blur(16px) saturate(160%);
  border-bottom:1px solid var(--border);
}
.header-inner{display:flex;align-items:center;gap:22px;height:72px}
.brand{display:flex;align-items:center;gap:11px;flex:0 0 auto}
.brand-mark{
  position:relative;width:32px;height:32px;border-radius:11px;background:var(--grad);
  box-shadow:0 8px 18px rgba(192,38,211,.34);flex:0 0 auto;
}
.brand-mark::after{content:"";position:absolute;inset:9px;border-radius:5px;background:#fff;opacity:.92}
.brand-text{font-size:16.5px;font-weight:800;letter-spacing:-.3px;color:var(--text);white-space:nowrap}
.search-box{
  flex:1 1 auto;max-width:520px;margin:0 auto;
  display:flex;align-items:center;gap:10px;
  height:48px;padding:0 6px 0 16px;
  background:var(--surface-2);border:1px solid var(--border);border-radius:999px;
  transition:border-color .2s ease,box-shadow .2s ease,background .2s ease;
}
.search-box:focus-within{background:#fff;border-color:var(--brand-2);box-shadow:0 0 0 4px rgba(192,38,211,.13)}
.search-icon{width:18px;height:18px;flex:0 0 auto;stroke:var(--muted);fill:none;stroke-width:2;stroke-linecap:round}
.search-box input{flex:1 1 auto;min-width:0;border:0;background:transparent;outline:none;font-size:14.5px}
.search-box input::placeholder{color:#9C8FB8}
.search-btn{
  height:38px;padding:0 18px;border-radius:999px;background:var(--grad);color:#fff;
  font-size:14px;font-weight:700;flex:0 0 auto;transition:filter .2s ease,transform .2s ease;
}
.search-btn:hover{filter:brightness(1.08);transform:translateY(-1px)}
.menu-toggle{
  display:none;width:44px;height:44px;border-radius:14px;border:1px solid var(--border);
  background:#fff;align-items:center;justify-content:center;flex:0 0 auto;
}
.menu-toggle span{display:block;width:18px;height:2px;background:var(--brand-1);border-radius:2px;position:relative}
.menu-toggle span::before,.menu-toggle span::after{content:"";position:absolute;left:0;width:18px;height:2px;background:var(--brand-1);border-radius:2px}
.menu-toggle span::before{top:-6px}
.menu-toggle span::after{top:6px}
.nav-row{padding-bottom:14px}
.nav-chips{display:flex;gap:10px;flex-wrap:wrap}
.chip{
  display:inline-flex;align-items:center;height:38px;padding:0 17px;border-radius:999px;
  background:#fff;border:1px solid var(--border);color:#54446F;
  font-size:14px;font-weight:600;transition:all .2s ease;
}
.chip:hover{border-color:#D6C6F8;color:var(--brand-1);transform:translateY(-2px);box-shadow:0 8px 18px rgba(109,40,217,.12)}
.chip.is-active{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 8px 20px rgba(109,40,217,.28)}
.drawer{display:none}

/* ============ 面包屑 ============ */
.crumb-bar{padding:26px 0 0}
.breadcrumb{display:flex;align-items:center;gap:10px;flex-wrap:wrap;font-size:13.5px;color:var(--muted)}
.breadcrumb a{color:var(--muted);transition:color .2s ease}
.breadcrumb a:hover{color:var(--brand-1)}
.breadcrumb .sep{color:#C5B8E4}
.crumb-current{max-width:56ch;overflow:hidden;text-overflow:ellipsis;white-space:nowrap;color:#4A3D68;font-weight:600}

/* ============ 文章头部 ============ */
.article-head{max-width:820px;margin:22px auto 30px}
.article-kicker{display:flex;align-items:center;gap:10px;flex-wrap:wrap;margin-bottom:16px}
.article-title{
  font-size:clamp(28px,4vw,44px);line-height:1.24;font-weight:800;
  color:var(--text);margin-bottom:18px;
}
.article-meta{
  display:flex;align-items:center;gap:16px;flex-wrap:wrap;
  font-size:13.5px;color:var(--muted);
}
.article-meta .dot{width:4px;height:4px;border-radius:50%;background:#CFC2EE}
.meta-actions{display:flex;gap:10px;margin-left:auto}
.icon-btn{
  display:inline-flex;align-items:center;gap:7px;height:40px;padding:0 16px;
  border-radius:999px;border:1px solid var(--border);background:#fff;
  font-size:13.5px;font-weight:600;color:#54446F;transition:all .2s ease;
}
.icon-btn:hover{border-color:#D6C6F8;color:var(--brand-1);transform:translateY(-2px);box-shadow:var(--shadow)}

/* ============ 文章布局 ============ */
.article-layout{
  display:grid;
  grid-template-columns:minmax(0,820px) 280px;
  gap:44px;
  justify-content:center;
  align-items:start;
  padding-bottom:20px;
}
.article-shell{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--r-xl);
  box-shadow:var(--shadow);
  padding:42px 46px 46px;
}
.article-body{font-size:17px;line-height:1.9;color:var(--text-soft)}
.article-body>*:first-child{margin-top:0}
.article-body p{margin:0 0 1.1em}
.article-body h2{
  position:relative;font-size:clamp(21px,2.3vw,28px);line-height:1.36;font-weight:800;
  color:var(--text);margin:2.1em 0 .75em;padding-left:18px;scroll-margin-top:104px;
}
.article-body h2::before{
  content:"";position:absolute;left:0;top:.2em;bottom:.2em;width:5px;border-radius:99px;background:var(--grad);
}
.article-body h3{
  font-size:19.5px;font-weight:700;color:var(--brand-1);margin:1.7em 0 .6em;scroll-margin-top:104px;
}
.article-body h4{font-size:17px;font-weight:700;color:var(--text);margin:1.4em 0 .5em}
.article-body ul,.article-body ol{padding-left:1.45em;margin:0 0 1.2em}
.article-body li{margin:.42em 0}
.article-body ul li::marker{color:var(--brand-2)}
.article-body ol li::marker{color:var(--brand-2);font-weight:700}
.article-body a{color:var(--brand-1);font-weight:600;border-bottom:1px solid rgba(109,40,217,.35)}
.article-body a:hover{color:var(--brand-2);border-bottom-color:var(--brand-2)}
.article-body blockquote{
  margin:1.6em 0;padding:18px 24px;background:var(--surface-2);
  border-left:5px solid var(--brand-2);border-radius:0 16px 16px 0;color:#4A3D68;
}
.article-body blockquote p:last-child{margin-bottom:0}
.article-body img{border-radius:18px;margin:1.6em auto;box-shadow:var(--shadow)}
.article-body figure{margin:1.6em 0}
.article-body figcaption{font-size:13px;color:var(--muted);text-align:center;margin-top:10px}
.article-body table{width:100%;border-collapse:collapse;margin:1.6em 0;font-size:15px;border-radius:14px;overflow:hidden;box-shadow:0 0 0 1px var(--border)}
.article-body th{background:linear-gradient(135deg,#F1ECFF,#FBE8FF);text-align:left;padding:13px 16px;font-weight:700;color:#4A2C7A}
.article-body td{padding:12px 16px;border-top:1px solid var(--border)}
.article-body tbody tr:nth-child(even){background:#FAF8FF}
.article-body pre{
  background:var(--dark);color:#E9E2FF;padding:20px 22px;border-radius:16px;
  overflow-x:auto;font-size:13.5px;line-height:1.7;margin:1.6em 0;
  font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-body code{
  background:var(--surface-2);color:#8B1FA8;padding:2px 7px;border-radius:7px;
  font-size:.9em;font-family:ui-monospace,SFMono-Regular,Menlo,Consolas,monospace;
}
.article-body pre code{background:none;color:inherit;padding:0}
.article-body hr{border:0;height:1px;background:var(--border);margin:2.2em 0}

/* 目录 */
.toc-panel{position:sticky;top:104px;background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);box-shadow:var(--shadow);padding:20px 20px 22px}
.toc-toggle{display:none;width:100%;align-items:center;justify-content:space-between;font-size:15px;font-weight:700;color:var(--text)}
.toc-arrow{transition:transform .25s ease;color:var(--brand-2)}
.toc-panel.is-open .toc-arrow{transform:rotate(180deg)}
.toc-title{font-size:13px;font-weight:800;letter-spacing:.06em;color:var(--muted);margin-bottom:12px}
.toc-list{display:flex;flex-direction:column;gap:2px;max-height:60vh;overflow-y:auto}
.toc-list a{
  display:block;padding:7px 12px;border-radius:10px;font-size:13.5px;color:#5A4A7E;
  border-left:3px solid transparent;transition:all .2s ease;line-height:1.5;
}
.toc-list a:hover{background:var(--surface-2);color:var(--brand-1)}
.toc-list a.is-current{background:var(--surface-2);color:var(--brand-1);border-left-color:var(--brand-2);font-weight:700}
.toc-list a.toc-l3{padding-left:26px;font-size:13px;color:#7C6EA0}

/* 空态 */
.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:14px;
  padding:60px 20px;text-align:center;
}
.empty-icon{
  width:56px;height:56px;border-radius:20px;background:var(--grad-soft);
  display:flex;align-items:center;justify-content:center;
  font-size:22px;font-weight:800;color:var(--brand-1);
}
.empty-state p{color:var(--muted);font-size:15px}

/* ============ 文章尾部 ============ */
.article-foot{max-width:820px;margin:34px auto 0;display:flex;flex-direction:column;gap:26px}
.tag-row{display:flex;align-items:center;gap:10px;flex-wrap:wrap}
.tag-row .label{font-size:13.5px;color:var(--muted);font-weight:700}
.pager{display:grid;grid-template-columns:1fr 1fr;gap:18px}
.pager-card{
  display:flex;flex-direction:column;gap:6px;padding:20px 22px;
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-md);
  box-shadow:var(--shadow);transition:all .22s ease;
}
.pager-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#D8C9F8}
.pager-card .pager-label{font-size:12.5px;color:var(--muted);font-weight:700;letter-spacing:.04em}
.pager-card .pager-title{font-size:15.5px;font-weight:700;color:var(--text);line-height:1.5}
.pager-card:hover .pager-title{color:var(--brand-1)}
.pager-card.next{text-align:right;align-items:flex-end}

.section-title{
  display:flex;align-items:flex-end;justify-content:space-between;gap:18px;margin-bottom:22px;
}
.section-title h2{font-size:clamp(22px,2.6vw,30px)}
.section-title .more{font-size:14px;font-weight:700;color:var(--brand-1);transition:color .2s ease}
.section-title .more:hover{color:var(--brand-2)}

.rec-grid{display:grid;grid-template-columns:repeat(3,minmax(0,1fr));gap:22px}
.card{
  background:var(--surface);border:1px solid var(--border);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--shadow);transition:transform .24s ease,box-shadow .24s ease,border-color .24s ease;
  display:flex;flex-direction:column;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#D8C9F8}
.card-media{position:relative;aspect-ratio:16/10;overflow:hidden;background:var(--surface-2)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.card:hover .card-media img{transform:scale(1.04)}
.card-body{padding:20px 22px 22px;display:flex;flex-direction:column;gap:10px;flex:1 1 auto}
.card-title{font-size:17.5px;font-weight:700;line-height:1.5;color:var(--text);display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;transition:color .2s ease}
.card:hover .card-title{color:var(--brand-1)}
.card-desc{font-size:13.5px;color:var(--muted);line-height:1.72;display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden}
.card-meta{display:flex;align-items:center;gap:10px;margin-top:auto;font-size:12.5px;color:var(--muted)}

/* ============ 收藏 CTA ============ */
.keep-cta{padding:70px 0 8px}
.keep-inner{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  background:var(--grad);color:#fff;padding:48px 52px;
  display:flex;align-items:center;gap:34px;justify-content:space-between;
  box-shadow:0 24px 56px rgba(109,40,217,.28);
}
.keep-inner::after{
  content:"";position:absolute;right:-90px;top:-90px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.3),transparent 65%);
}
.keep-copy{position:relative;z-index:2;max-width:620px}
.keep-copy h2{font-size:clamp(22px,2.6vw,30px);margin-bottom:10px}
.keep-copy p{font-size:15px;line-height:1.85;color:rgba(255,255,255,.86)}
.keep-actions{position:relative;z-index:2;display:flex;gap:12px;flex:0 0 auto}
.keep-hint{font-size:12.5px;color:rgba(255,255,255,.78);margin-top:12px}

/* ============ 页脚 ============ */
.footer{background:var(--dark);color:#fff;margin-top:80px;padding:62px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.6fr 1fr 1fr 1fr;gap:36px}
.footer .brand-text{color:#fff}
.footer-brand p{margin-top:16px;font-size:14px;line-height:1.85;color:rgba(255,255,255,.66);max-width:34ch}
.footer h4{font-size:14.5px;font-weight:800;margin-bottom:16px;color:#fff}
.footer-grid>div:not(.footer-brand) a{display:block;font-size:14px;color:rgba(255,255,255,.72);padding:5px 0;transition:color .2s ease,transform .2s ease}
.footer-grid>div:not(.footer-brand) a:hover{color:var(--lime);transform:translateX(3px)}
.footer-bottom{
  margin-top:44px;padding-top:22px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;align-items:center;justify-content:space-between;gap:14px;flex-wrap:wrap;
  font-size:13px;color:rgba(255,255,255,.55);
}

/* 返回顶部 */
.to-top{
  position:fixed;right:24px;bottom:24px;z-index:70;
  width:46px;height:46px;border-radius:50%;background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:center;font-size:17px;font-weight:700;
  box-shadow:0 12px 28px rgba(109,40,217,.34);
  opacity:0;visibility:hidden;transform:translateY(10px);
  transition:all .25s ease;
}
.to-top.is-visible{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{transform:translateY(-3px)}

/* 骨架屏 */
.skeleton{position:relative;overflow:hidden;background:#EFEAFF;border-radius:12px}
.skeleton::after{
  content:"";position:absolute;inset:0;transform:translateX(-100%);
  background:linear-gradient(90deg,transparent,rgba(255,255,255,.75),transparent);
  animation:shimmer 1.4s infinite;
}
@keyframes shimmer{100%{transform:translateX(100%)}}

/* ============ 响应式 ============ */
@media (max-width:1279px){
  .container{max-width:960px}
  .article-layout{grid-template-columns:minmax(0,1fr) 250px;gap:28px}
  .article-shell{padding:34px 32px 38px}
}
@media (max-width:1023px){
  .container{max-width:100%;padding:0 22px}
  .article-layout{grid-template-columns:minmax(0,1fr);gap:20px}
  .toc-panel{position:static;top:auto;margin-bottom:6px;padding:16px 18px}
  .toc-toggle{display:flex}
  .toc-inner{display:none;margin-top:14px}
  .toc-panel.is-open .toc-inner{display:block}
  .toc-title{display:none}
  .toc-list{max-height:none}
  .article-shell{padding:28px 24px 32px;border-radius:var(--r-lg)}
  .article-head{max-width:100%}
  .article-foot{max-width:100%}
  .rec-grid{grid-template-columns:repeat(2,minmax(0,1fr))}
  .footer-grid{grid-template-columns:1fr 1fr;gap:28px}
  .keep-inner{flex-direction:column;align-items:flex-start;padding:36px 30px}
  .keep-actions{width:100%;flex-wrap:wrap}
}
@media (max-width:767px){
  body{font-size:15px}
  .header-inner{height:auto;padding:12px 0;flex-wrap:wrap;gap:12px}
  .brand-text{font-size:15px}
  .menu-toggle{display:flex;margin-left:auto;order:3}
  .brand{order:1}
  .search-box{order:4;flex:1 0 100%;max-width:100%;height:46px}
  .nav-chips{
    flex-wrap:nowrap;overflow-x:auto;padding-bottom:6px;
    -webkit-overflow-scrolling:touch;scrollbar-width:none;
  }
  .nav-chips::-webkit-scrollbar{display:none}
  .chip{flex:0 0 auto}
  .drawer{
    display:block;overflow:hidden;max-height:0;transition:max-height .3s ease;
    border-top:1px solid transparent;
  }
  .drawer.is-open{max-height:340px;border-top-color:var(--border)}
  .drawer a{display:block;padding:13px 4px;font-size:15px;font-weight:600;color:#4A3D68;border-bottom:1px solid var(--border)}
  .drawer a:last-child{border-bottom:0}
  .article-title{font-size:clamp(24px,7vw,32px)}
  .article-meta{font-size:12.5px;gap:10px}
  .meta-actions{margin-left:0;width:100%}
  .article-shell{padding:22px 18px 26px}
  .article-body{font-size:15.5px;line-height:1.85}
  .rec-grid{grid-template-columns:1fr}
  .pager{grid-template-columns:1fr}
  .pager-card.next{text-align:left;align-items:flex-start}
  .keep-actions .btn{flex:1 1 100%}
  .keep-inner{padding:30px 22px;border-radius:var(--r-lg)}
  .footer{padding:46px 0 22px;margin-top:56px}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-bottom{flex-direction:column;align-items:flex-start}
  .to-top{right:16px;bottom:16px}
  .section-title{flex-direction:column;align-items:flex-start;gap:8px}
}
@media (max-width:479px){
  .container{padding:0 16px}
  .brand-text{font-size:14px}
  .article-shell{padding:20px 15px 24px;border-radius:16px}
  .btn{height:46px;padding:0 20px;font-size:14.5px}
  .search-btn{padding:0 14px}
}

/* roulang page: category2 */
:root{
  --brand-1:#6D28D9;
  --brand-2:#C026D3;
  --brand-3:#FB7185;
  --cyan:#22D3EE;
  --lime:#A3E635;
  --amber:#F59E0B;
  --bg:#F7F5FF;
  --surface:#FFFFFF;
  --surface-2:#F0ECFF;
  --dark:#170B2E;
  --text:#1E1233;
  --muted:#6F628F;
  --border:#E7E1FF;
  --grad:linear-gradient(135deg,#6D28D9,#C026D3 48%,#FB7185);
  --grad-soft:linear-gradient(135deg,rgba(109,40,217,.14),rgba(192,38,211,.10) 48%,rgba(251,113,133,.14));
  --radius-xl:30px;
  --radius-lg:22px;
  --radius-md:18px;
  --radius-sm:14px;
  --pill:999px;
  --shadow:0 12px 30px rgba(109,40,217,.10),0 2px 8px rgba(23,11,46,.06);
  --shadow-lg:0 18px 42px rgba(109,40,217,.16);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe 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}
button,input{font:inherit;color:inherit}
button{cursor:pointer;border:0;background:none}
h1,h2,h3,h4{margin:0;line-height:1.28;font-weight:800;letter-spacing:.2px}
p{margin:0}
ul,ol{margin:0;padding:0;list-style:none}
time, .num{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:8px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0,0,0,0);white-space:nowrap;border:0}
.container{max-width:var(--container);margin:0 auto;padding:0 clamp(20px,3vw,32px)}
.section{padding:clamp(44px,6vw,80px) 0}
.num{font-variant-numeric:tabular-nums}

/* ========== 顶部导航 ========== */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(14px) saturate(1.5);
  -webkit-backdrop-filter:blur(14px) saturate(1.5);
  border-bottom:1px solid var(--border);
}
.header-inner{
  display:flex;flex-wrap:wrap;align-items:center;
  gap:12px 20px;
  padding-top:12px;padding-bottom:12px;
}
.brand{display:inline-flex;align-items:center;gap:10px;flex:0 0 auto}
.brand-mark{
  width:34px;height:34px;border-radius:12px;background:var(--grad);
  box-shadow:0 8px 18px rgba(109,40,217,.32);position:relative;flex:0 0 auto;
}
.brand-mark::after{
  content:"";position:absolute;inset:10px;border-radius:50%;
  background:rgba(255,255,255,.92);
}
.brand-text{
  font-weight:800;font-size:17px;white-space:nowrap;
  background:var(--grad);-webkit-background-clip:text;background-clip:text;
  color:transparent;-webkit-text-fill-color:transparent;
}
.nav-search{
  position:relative;display:flex;align-items:center;
  flex:1 1 300px;max-width:520px;height:48px;
  background:var(--surface-2);border:1px solid transparent;
  border-radius:var(--pill);padding:4px 4px 4px 16px;
  transition:border-color .25s ease,background .25s ease,box-shadow .25s ease;
}
.nav-search:focus-within{
  background:#fff;border-color:rgba(109,40,217,.45);
  box-shadow:0 0 0 4px rgba(109,40,217,.10);
}
.nav-search .search-ico{flex:0 0 auto;color:var(--muted)}
.nav-search input{
  flex:1 1 auto;min-width:0;height:100%;border:0;background:transparent;
  padding:0 10px;font-size:15px;outline:none;
}
.nav-search input::placeholder{color:#9C90BC}
.search-btn{
  height:40px;padding:0 18px;border-radius:var(--pill);
  background:var(--grad);color:#fff;font-weight:700;font-size:14px;
  transition:transform .2s ease,filter .2s ease,box-shadow .2s ease;
  flex:0 0 auto;
}
.search-btn:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 10px 22px rgba(109,40,217,.28)}
.search-btn:active{transform:scale(.98)}
.nav-chips{
  display:flex;align-items:center;gap:8px;
  flex:1 1 100%;overflow-x:auto;padding:2px 2px 4px;
  scrollbar-width:none;
}
.nav-chips::-webkit-scrollbar{display:none}
.chip{
  flex:0 0 auto;display:inline-flex;align-items:center;height:38px;
  padding:0 16px;border-radius:var(--pill);
  background:#fff;border:1px solid var(--border);
  font-size:14px;font-weight:600;color:var(--muted);white-space:nowrap;
  transition:color .22s ease,border-color .22s ease,transform .22s ease,background .22s ease;
}
.chip:hover{color:var(--brand-1);border-color:rgba(109,40,217,.38);transform:translateY(-1px)}
.chip.is-active{
  background:var(--grad);color:#fff;border-color:transparent;
  box-shadow:0 10px 22px rgba(109,40,217,.26);
}
@media (min-width:1120px){
  .header-inner{flex-wrap:nowrap}
  .nav-chips{flex:0 1 auto;overflow:visible;padding-bottom:2px}
}

/* ========== 页面头部 ========== */
.page-head-wrap{padding-top:clamp(20px,3vw,34px)}
.page-head{
  position:relative;overflow:hidden;
  border-radius:var(--radius-xl);
  background:linear-gradient(135deg,#3B1178,#6D28D9 45%,#C026D3 100%);
  color:#fff;
  padding:clamp(26px,4vw,52px);
  box-shadow:0 22px 50px rgba(59,17,120,.28);
}
.page-head-bg{
  position:absolute;inset:0;width:100%;height:100%;
  object-fit:cover;opacity:.24;
}
.page-head::before{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(23,11,46,.86),rgba(109,40,217,.55) 55%,rgba(192,38,211,.45));
}
.page-head::after{
  content:"";position:absolute;right:-60px;top:-80px;width:320px;height:320px;border-radius:50%;
  background:radial-gradient(circle,rgba(34,211,238,.42),transparent 68%);
}
.page-head-inner{position:relative;z-index:2;max-width:820px}
.breadcrumb{
  display:flex;flex-wrap:wrap;align-items:center;gap:8px;
  font-size:13px;color:rgba(255,255,255,.74);margin-bottom:14px;
}
.breadcrumb a{color:rgba(255,255,255,.82);transition:color .2s ease}
.breadcrumb a:hover{color:var(--lime)}
.breadcrumb .sep{opacity:.55}
.eyebrow{
  display:inline-flex;align-items:center;gap:8px;
  height:30px;padding:0 14px;border-radius:var(--pill);
  background:rgba(255,255,255,.16);border:1px solid rgba(255,255,255,.28);
  font-size:13px;font-weight:600;letter-spacing:.4px;margin-bottom:16px;
}
.page-head h1{
  font-size:clamp(28px,4.4vw,46px);
  line-height:1.18;font-weight:800;
}
.page-head-sub{
  margin-top:16px;font-size:16px;line-height:1.85;
  color:rgba(255,255,255,.86);max-width:700px;
}
.stat-row{display:flex;flex-wrap:wrap;gap:12px;margin-top:24px}
.stat{
  display:inline-flex;flex-direction:column;gap:2px;
  padding:10px 20px;border-radius:18px;
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.26);
}
.stat b{font-size:20px;font-weight:800;line-height:1.3;font-variant-numeric:tabular-nums}
.stat span{font-size:12px;color:rgba(255,255,255,.78)}

/* ========== 主体两栏 ========== */
.layout{
  display:grid;grid-template-columns:minmax(0,1fr) 336px;
  gap:clamp(20px,2.4vw,28px);align-items:start;
}
.stream-head{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:14px;margin-bottom:20px;
}
.stream-head h2{font-size:clamp(20px,2.4vw,26px)}
.stream-head .hint{font-size:13px;color:var(--muted)}
.filters{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:22px}
.filter{
  height:36px;padding:0 16px;border-radius:var(--pill);
  background:#fff;border:1px solid var(--border);
  font-size:13px;font-weight:600;color:var(--muted);
  transition:all .22s ease;
}
.filter:hover{color:var(--brand-1);border-color:rgba(109,40,217,.4);transform:translateY(-1px)}
.filter.is-on{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 8px 18px rgba(109,40,217,.24)}

.news-list{display:flex;flex-direction:column;gap:18px}
.news-item{
  display:grid;grid-template-columns:232px minmax(0,1fr);
  gap:20px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  padding:18px;
  box-shadow:var(--shadow);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.news-item:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(109,40,217,.3)}
.news-thumb{
  display:block;overflow:hidden;border-radius:16px;background:var(--surface-2);
  min-height:152px;height:100%;
}
.news-thumb img{width:100%;height:100%;object-fit:cover;transition:transform .4s ease}
.news-item:hover .news-thumb img{transform:scale(1.04)}
.news-body{display:flex;flex-direction:column;gap:8px;min-width:0}
.news-meta{display:flex;flex-wrap:wrap;align-items:center;gap:10px;font-size:12.5px;color:var(--muted)}
.tag{
  display:inline-flex;align-items:center;height:24px;padding:0 10px;
  border-radius:var(--pill);font-size:12px;font-weight:700;
  background:var(--surface-2);color:var(--brand-1);
}
.tag-cyan{background:rgba(34,211,238,.16);color:#0E7490}
.tag-amber{background:rgba(245,158,11,.18);color:#B45309}
.tag-lime{background:rgba(163,230,53,.24);color:#3F6212}
.news-title{font-size:19px;line-height:1.5}
.news-title a{transition:color .22s ease}
.news-item:hover .news-title a{color:var(--brand-1)}
.news-exc{
  font-size:14.5px;color:var(--muted);line-height:1.75;
  display:-webkit-box;-webkit-line-clamp:2;-webkit-box-orient:vertical;overflow:hidden;
}
.news-foot{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;
  gap:10px;margin-top:auto;padding-top:8px;
  border-top:1px dashed var(--border);font-size:12.5px;color:var(--muted);
}
.link-more{
  font-weight:700;color:var(--brand-1);
  display:inline-flex;align-items:center;gap:6px;
  transition:gap .22s ease,color .22s ease;
}
.link-more:hover{gap:10px;color:var(--brand-2)}

/* 骨架 / 空态 / 错误态 */
.skeleton{
  background:linear-gradient(90deg,#EFEBFF 25%,#E2DAFF 37%,#EFEBFF 63%);
  background-size:400% 100%;animation:shimmer 1.4s ease infinite;border-radius:12px;
}
@keyframes shimmer{0%{background-position:100% 50%}100%{background-position:0 50%}}
.state-empty{
  display:flex;flex-direction:column;align-items:center;gap:12px;
  padding:46px 24px;text-align:center;
  background:var(--surface);border:1px dashed var(--border);border-radius:var(--radius-lg);
}
.state-empty .state-ico{
  width:52px;height:52px;border-radius:50%;background:var(--surface-2);
  display:flex;align-items:center;justify-content:center;color:var(--brand-1);font-weight:800;
}
.state-empty p{font-size:14.5px;color:var(--muted)}
.state-error{
  border:1px solid #FCA5A5;background:#FEF2F2;color:#B91C1C;
  border-radius:var(--radius-sm);padding:14px 18px;font-size:14px;
}

/* ========== 侧栏 ========== */
.side{display:flex;flex-direction:column;gap:18px;position:sticky;top:96px;align-self:start}
.side-card{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-lg);padding:22px;box-shadow:var(--shadow);
}
.side-card h3{font-size:16.5px;margin-bottom:14px;display:flex;align-items:center;gap:8px}
.side-card h3::before{
  content:"";width:4px;height:16px;border-radius:var(--pill);background:var(--grad);display:inline-block;
}
.tag-cloud{display:flex;flex-wrap:wrap;gap:8px}
.tag-pill{
  display:inline-flex;align-items:center;height:32px;padding:0 14px;
  border-radius:var(--pill);background:var(--surface-2);
  font-size:13px;font-weight:600;color:var(--brand-1);
  transition:all .22s ease;
}
.tag-pill:hover{background:var(--grad);color:#fff;transform:translateY(-2px);box-shadow:0 8px 18px rgba(109,40,217,.24)}
.side-list{display:flex;flex-direction:column;gap:14px}
.side-list a{display:grid;grid-template-columns:64px minmax(0,1fr);gap:12px;align-items:center;transition:transform .22s ease}
.side-list a:hover{transform:translateX(3px)}
.side-list img{width:64px;height:48px;object-fit:cover;border-radius:12px}
.side-list .t{font-size:14px;font-weight:700;line-height:1.5;transition:color .2s ease}
.side-list a:hover .t{color:var(--brand-1)}
.side-list .s{font-size:12px;color:var(--muted)}
.side-cta{
  background:linear-gradient(140deg,#2A1055,#6D28D9 60%,#C026D3);
  border-color:transparent;color:#fff;
}
.side-cta h3{color:#fff}
.side-cta h3::before{background:linear-gradient(135deg,#22D3EE,#A3E635)}
.side-cta p{font-size:14px;color:rgba(255,255,255,.8);line-height:1.75;margin-bottom:16px}

/* ========== 按钮 ========== */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:46px;padding:0 24px;border-radius:var(--pill);
  font-size:15px;font-weight:700;white-space:nowrap;
  transition:transform .2s ease,filter .2s ease,box-shadow .2s ease,background .2s ease,color .2s ease;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 12px 26px rgba(109,40,217,.26)}
.btn-primary:hover{filter:brightness(1.06);transform:translateY(-2px);box-shadow:0 18px 34px rgba(109,40,217,.32)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:#fff;border:1.5px solid rgba(109,40,217,.4);color:var(--brand-1)}
.btn-ghost:hover{background:var(--surface-2);transform:translateY(-2px)}
.btn-outline-light{background:rgba(255,255,255,.10);border:1.5px solid rgba(255,255,255,.42);color:#fff}
.btn-outline-light:hover{background:rgba(255,255,255,.2);transform:translateY(-2px)}
.btn-block{width:100%}
.btn[disabled]{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}

/* ========== 相关分类横滑 ========== */
.rel-head{display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;margin-bottom:22px}
.rel-head h2{font-size:clamp(20px,2.4vw,26px)}
.rel-track{
  display:flex;gap:18px;overflow-x:auto;padding:6px 4px 18px;
  scrollbar-width:none;
}
.rel-track::-webkit-scrollbar{display:none}
.rel-card{
  flex:0 0 268px;background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-md);overflow:hidden;box-shadow:var(--shadow);
  transition:transform .28s ease,box-shadow .28s ease,border-color .28s ease;
}
.rel-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-lg);border-color:rgba(109,40,217,.32)}
.rel-card img{width:100%;aspect-ratio:16/10;object-fit:cover}
.rel-card .rel-body{padding:16px 18px 18px}
.rel-card h3{font-size:16.5px;margin-bottom:6px}
.rel-card p{font-size:13.5px;color:var(--muted);line-height:1.7}
.rel-card .rel-meta{margin-top:10px;font-size:12px;color:var(--brand-1);font-weight:700}

/* ========== 收藏 CTA ========== */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--radius-xl);
  background:linear-gradient(135deg,#20093F,#6D28D9 48%,#C026D3 100%);
  color:#fff;padding:clamp(28px,4vw,52px);
  display:grid;grid-template-columns:minmax(0,1fr) auto;gap:26px;align-items:center;
  box-shadow:0 26px 54px rgba(45,14,96,.3);
}
.cta-band img.cta-bg{
  position:absolute;inset:0;width:100%;height:100%;object-fit:cover;opacity:.16;
}
.cta-band::after{
  content:"";position:absolute;left:-70px;bottom:-90px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(163,230,53,.34),transparent 70%);
}
.cta-inner{position:relative;z-index:2}
.cta-band h2{font-size:clamp(22px,2.8vw,30px)}
.cta-band p{margin-top:12px;font-size:15px;color:rgba(255,255,255,.84);max-width:620px}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:12px}

/* ========== FAQ ========== */
.faq-list{display:flex;flex-direction:column;gap:12px;max-width:920px;margin:0 auto}
.faq-item{
  background:var(--surface);border:1px solid var(--border);
  border-radius:var(--radius-md);overflow:hidden;position:relative;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:var(--grad);opacity:0;transition:opacity .25s ease;
}
.faq-item.is-open{border-color:rgba(109,40,217,.34);box-shadow:var(--shadow)}
.faq-item.is-open::before{opacity:1}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:16px;
  padding:20px 22px;font-size:17px;font-weight:700;text-align:left;
  transition:color .2s ease;
}
.faq-q:hover{color:var(--brand-1)}
.faq-q .arrow{
  flex:0 0 auto;width:26px;height:26px;border-radius:50%;
  background:var(--surface-2);color:var(--brand-1);
  display:flex;align-items:center;justify-content:center;
  font-size:15px;font-weight:800;transition:transform .3s ease,background .3s ease,color .3s ease;
}
.faq-item.is-open .faq-q .arrow{transform:rotate(45deg);background:var(--grad);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .35s ease}
.faq-a p{padding:0 22px 22px;font-size:15.5px;color:var(--muted);line-height:1.85}

/* ========== 分页 ========== */
.pager{display:flex;flex-wrap:wrap;gap:8px;margin-top:26px;justify-content:center}
.page-btn{
  min-width:44px;height:44px;padding:0 16px;border-radius:var(--pill);
  display:inline-flex;align-items:center;justify-content:center;
  background:#fff;border:1px solid var(--border);font-size:14px;font-weight:700;color:var(--muted);
  transition:all .22s ease;
}
.page-btn:hover{color:var(--brand-1);border-color:rgba(109,40,217,.4);transform:translateY(-2px)}
.page-btn.is-current{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 10px 22px rgba(109,40,217,.26)}
.page-btn.is-disabled{opacity:.45;cursor:not-allowed;pointer-events:none}

/* ========== 页脚 ========== */
.footer{background:var(--dark);color:#fff;margin-top:clamp(44px,6vw,80px);padding:clamp(44px,6vw,72px) 0 26px}
.footer-grid{
  display:grid;grid-template-columns:1.6fr 1fr 1.2fr 1fr;gap:32px;
}
.footer .brand{margin-bottom:14px}
.footer .brand-mark{width:32px;height:32px}
.footer .brand-text{
  background:linear-gradient(135deg,#C4B5FD,#F0ABFC 55%,#FDA4AF);
  -webkit-background-clip:text;background-clip:text;color:transparent;-webkit-text-fill-color:transparent;
}
.footer-brand p{font-size:14px;color:rgba(255,255,255,.68);line-height:1.8;max-width:340px}
.footer h4{font-size:15px;margin-bottom:16px;color:#fff}
.footer h4::after{
  content:"";display:block;width:26px;height:3px;border-radius:var(--pill);
  background:linear-gradient(135deg,#22D3EE,#A3E635);margin-top:10px;
}
.footer-grid > div > a{
  display:block;font-size:14px;color:rgba(255,255,255,.72);
  padding:6px 0;transition:color .2s ease,transform .2s ease;
}
.footer-grid > div > a:hover{color:var(--lime);transform:translateX(3px)}
.footer-bottom{
  margin-top:36px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  display:flex;flex-wrap:wrap;gap:10px;justify-content:space-between;
  font-size:13px;color:rgba(255,255,255,.56);
}

/* ========== 返回顶部 ========== */
.to-top{
  position:fixed;right:22px;bottom:22px;z-index:70;
  width:48px;height:48px;border-radius:50%;
  background:var(--grad);color:#fff;font-size:18px;font-weight:800;
  display:flex;align-items:center;justify-content:center;
  box-shadow:0 14px 30px rgba(109,40,217,.34);
  opacity:0;visibility:hidden;transform:translateY(12px);
  transition:opacity .28s ease,transform .28s ease,visibility .28s ease;
}
.to-top.is-on{opacity:1;visibility:visible;transform:translateY(0)}
.to-top:hover{filter:brightness(1.07);transform:translateY(-3px)}

/* ========== 响应式 ========== */
@media (max-width:1023px){
  .layout{grid-template-columns:1fr}
  .side{position:static;top:auto}
  .footer-grid{grid-template-columns:1fr 1fr;gap:26px}
  .cta-band{grid-template-columns:1fr}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .nav-search{max-width:none}
  .search-btn{padding:0 14px}
  .brand-text{font-size:15.5px}
  .news-item{grid-template-columns:1fr;gap:14px;padding:16px}
  .news-thumb{height:auto;min-height:0;aspect-ratio:16/10}
  .page-head h1{font-size:clamp(24px,6.4vw,30px)}
  .cta-actions{width:100%}
  .cta-actions .btn{flex:1 1 100%}
  .footer-grid{grid-template-columns:1fr;gap:24px}
  .footer-brand p{max-width:none}
}
@media (max-width:479px){
  .container{padding:0 16px}
  .news-title{font-size:17px}
  .stat{padding:8px 14px}
  .stat b{font-size:18px}
  .page-btn{min-width:42px;height:42px;padding:0 12px;font-size:13px}
}

/* roulang page: category3 */
:root{
  --brand-1:#6D28D9;
  --brand-2:#C026D3;
  --brand-3:#FB7185;
  --cyan:#22D3EE;
  --lime:#A3E635;
  --amber:#F59E0B;
  --bg:#F7F5FF;
  --surface:#FFFFFF;
  --surface-2:#F0ECFF;
  --dark:#170B2E;
  --text:#1E1233;
  --muted:#6F628F;
  --border:#E7E1FF;
  --grad:linear-gradient(135deg,#6D28D9,#C026D3 48%,#FB7185);
  --grad-soft:linear-gradient(135deg,rgba(109,40,217,.12),rgba(192,38,211,.10) 50%,rgba(251,113,133,.12));
  --radius-xl:30px;
  --radius-lg:22px;
  --radius-md:18px;
  --radius-sm:14px;
  --pill:999px;
  --shadow-sm:0 2px 8px rgba(23,11,46,.06);
  --shadow:0 12px 30px rgba(109,40,217,.10),0 2px 8px rgba(23,11,46,.06);
  --shadow-hover:0 18px 42px rgba(109,40,217,.16);
  --container:1240px;
}

*,*::before,*::after{box-sizing:border-box;}
html{-webkit-text-size-adjust:100%;scroll-behavior:smooth;}
body{
  margin:0;
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC","Helvetica Neue",Arial,sans-serif;
  font-size:16.5px;
  line-height:1.8;
  color:var(--text);
  background:var(--bg);
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block;}
a{color:inherit;text-decoration:none;}
button,input{font:inherit;color:inherit;}
button{cursor:pointer;border:none;background:none;}
h1,h2,h3,h4{margin:0;line-height:1.25;font-weight:800;letter-spacing:0;}
p{margin:0;}
ul{margin:0;padding:0;list-style:none;}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:6px;}

.container{
  width:100%;
  max-width:var(--container);
  margin:0 auto;
  padding:0 28px;
}
.num{font-variant-numeric:tabular-nums;}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;
  top:0;
  z-index:60;
  background:rgba(255,255,255,.9);
  backdrop-filter:blur(14px);
  -webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.header-inner{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:14px 20px;
  min-height:72px;
  padding-top:10px;
  padding-bottom:10px;
}
.brand{
  display:inline-flex;
  align-items:center;
  gap:10px;
  flex:0 0 auto;
  font-weight:800;
  font-size:17px;
  letter-spacing:.2px;
}
.brand-mark{
  width:34px;height:34px;
  border-radius:12px;
  background:var(--grad);
  box-shadow:0 8px 18px rgba(109,40,217,.28);
  position:relative;
  flex:0 0 auto;
}
.brand-mark::after{
  content:"";
  position:absolute;
  inset:11px;
  border-radius:50%;
  background:#fff;
  opacity:.92;
}
.brand-text{white-space:nowrap;}
.brand:hover .brand-mark{transform:translateY(-1px);}
.brand-mark{transition:transform .25s ease;}

.nav-search{
  flex:1 1 300px;
  display:flex;
  align-items:center;
  gap:8px;
  max-width:520px;
  height:48px;
  padding:0 6px 0 18px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--pill);
  box-shadow:var(--shadow-sm);
  transition:box-shadow .25s ease,border-color .25s ease;
}
.nav-search:focus-within{
  border-color:#C9B6FF;
  box-shadow:0 0 0 4px rgba(109,40,217,.10),var(--shadow);
}
.nav-search svg{flex:0 0 auto;stroke:var(--muted);}
.nav-search input{
  flex:1 1 auto;
  min-width:0;
  border:none;
  background:transparent;
  height:46px;
  font-size:15px;
  outline:none;
}
.nav-search input::placeholder{color:#9A8DB8;}
.search-btn{
  flex:0 0 auto;
  height:38px;
  padding:0 18px;
  border-radius:var(--pill);
  background:var(--grad);
  color:#fff;
  font-size:14px;
  font-weight:700;
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease;
}
.search-btn:hover{filter:brightness(1.06);transform:translateY(-1px);box-shadow:0 10px 22px rgba(192,38,211,.28);}
.search-btn:active{transform:scale(.98);}

.nav-chips{
  display:flex;
  align-items:center;
  gap:8px;
  flex:0 1 auto;
  min-width:0;
  overflow-x:auto;
  scrollbar-width:none;
  padding:2px 0;
}
.nav-chips::-webkit-scrollbar{display:none;}
.chip{
  flex:0 0 auto;
  display:inline-flex;
  align-items:center;
  height:36px;
  padding:0 15px;
  font-size:13.5px;
  font-weight:600;
  color:var(--muted);
  background:var(--surface-2);
  border:1px solid transparent;
  border-radius:var(--pill);
  white-space:nowrap;
  transition:color .2s ease,background .2s ease,transform .2s ease,box-shadow .2s ease;
}
.chip:hover{color:var(--brand-1);background:#E9E2FF;transform:translateY(-1px);}
.chip.is-active{
  color:#fff;
  background:var(--grad);
  box-shadow:0 8px 18px rgba(109,40,217,.26);
}
.nav-toggle{
  display:none;
  margin-left:auto;
  width:44px;height:44px;
  border-radius:14px;
  border:1px solid var(--border);
  background:var(--surface);
  align-items:center;
  justify-content:center;
}
.nav-toggle span{display:block;width:18px;height:2px;background:var(--text);border-radius:2px;position:relative;}
.nav-toggle span::before,.nav-toggle span::after{
  content:"";position:absolute;left:0;width:18px;height:2px;background:var(--text);border-radius:2px;
}
.nav-toggle span::before{top:-6px;}
.nav-toggle span::after{top:6px;}

.mobile-drawer{
  display:none;
  width:100%;
  padding:12px 0 4px;
  border-top:1px solid var(--border);
}
.mobile-drawer.is-open{display:block;}
.mobile-drawer a{
  display:block;
  padding:12px 14px;
  border-radius:var(--radius-sm);
  font-size:15px;
  font-weight:600;
  color:var(--text);
  min-height:44px;
}
.mobile-drawer a:hover{background:var(--surface-2);color:var(--brand-1);}
.mobile-drawer a.is-active{background:var(--grad);color:#fff;}

/* ---------- 面包屑 ---------- */
.crumb{
  display:flex;
  align-items:center;
  gap:8px;
  flex-wrap:wrap;
  font-size:13.5px;
  color:var(--muted);
  padding:22px 0 0;
}
.crumb a:hover{color:var(--brand-1);}
.crumb .sep{opacity:.55;}

/* ---------- Hero ---------- */
.hero{
  margin-top:20px;
  border-radius:var(--radius-xl);
  background:var(--dark);
  color:#fff;
  overflow:hidden;
  position:relative;
  box-shadow:0 26px 60px rgba(23,11,46,.24);
}
.hero::before{
  content:"";
  position:absolute;
  inset:0;
  background-image:url("/assets/images/backpic/back-1.webp");
  background-size:cover;
  background-position:center right;
  opacity:.38;
}
.hero::after{
  content:"";
  position:absolute;
  inset:0;
  background:
    radial-gradient(680px 380px at 12% 8%,rgba(251,113,133,.34),transparent 62%),
    radial-gradient(620px 420px at 88% 96%,rgba(34,211,238,.22),transparent 60%),
    linear-gradient(135deg,rgba(109,40,217,.94),rgba(192,38,211,.82) 52%,rgba(23,11,46,.92));
}
.hero-grid{
  position:relative;
  z-index:2;
  display:grid;
  grid-template-columns:minmax(0,1.15fr) minmax(0,.85fr);
  gap:40px;
  align-items:center;
  padding:56px;
}
.hero-tag{
  display:inline-flex;
  align-items:center;
  gap:8px;
  height:32px;
  padding:0 14px;
  border-radius:var(--pill);
  background:rgba(255,255,255,.16);
  border:1px solid rgba(255,255,255,.28);
  font-size:13px;
  font-weight:600;
  letter-spacing:.4px;
}
.hero h1{
  margin-top:18px;
  font-size:clamp(30px,4.4vw,52px);
  line-height:1.15;
  font-weight:800;
  text-shadow:0 4px 26px rgba(23,11,46,.35);
}
.hero-sub{
  margin-top:16px;
  font-size:16.5px;
  line-height:1.85;
  color:rgba(255,255,255,.86);
  max-width:620px;
}
.hero-badges{
  display:flex;
  flex-wrap:wrap;
  gap:12px;
  margin-top:26px;
}
.hbadge{
  display:flex;
  align-items:center;
  gap:10px;
  padding:10px 16px;
  border-radius:var(--pill);
  background:rgba(255,255,255,.14);
  border:1px solid rgba(255,255,255,.24);
}
.hbadge b{font-size:20px;font-weight:800;}
.hbadge span{font-size:12.5px;color:rgba(255,255,255,.74);}
.hero-actions{
  display:flex;
  flex-wrap:wrap;
  gap:14px;
  margin-top:30px;
}

.btn{
  display:inline-flex;
  align-items:center;
  justify-content:center;
  gap:8px;
  height:48px;
  padding:0 26px;
  border-radius:var(--pill);
  font-size:15px;
  font-weight:700;
  transition:transform .2s ease,box-shadow .2s ease,filter .2s ease,background .2s ease,color .2s ease;
}
.btn-primary{
  background:var(--grad);
  color:#fff;
  box-shadow:0 12px 28px rgba(192,38,211,.32);
}
.btn-primary:hover{filter:brightness(1.07);transform:translateY(-2px);box-shadow:0 18px 40px rgba(192,38,211,.42);}
.btn-primary:active{transform:scale(.98);}
.btn-ghost{
  background:rgba(255,255,255,.10);
  color:#fff;
  border:1px solid rgba(255,255,255,.46);
}
.btn-ghost:hover{background:rgba(255,255,255,.2);transform:translateY(-2px);}
.btn-ghost:active{transform:scale(.98);}
.btn-outline{
  background:var(--surface);
  color:var(--brand-1);
  border:1.5px solid #D6C8FF;
  box-shadow:var(--shadow-sm);
}
.btn-outline:hover{border-color:var(--brand-2);color:var(--brand-2);transform:translateY(-2px);box-shadow:var(--shadow);}
.btn-outline:active{transform:scale(.98);}
.btn[disabled],.btn.is-disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none;}

.hero-visual{
  position:relative;
  border-radius:24px;
  overflow:hidden;
  aspect-ratio:16/10;
  border:1px solid rgba(255,255,255,.26);
  box-shadow:0 24px 50px rgba(23,11,46,.4);
}
.hero-visual img{width:100%;height:100%;object-fit:cover;}
.hero-visual::after{
  content:"";
  position:absolute;inset:0;
  background:linear-gradient(160deg,rgba(109,40,217,.28),transparent 55%,rgba(34,211,238,.20));
}

/* ---------- 通用板块 ---------- */
.section{padding:76px 0 0;}
.section-head{
  display:flex;
  align-items:flex-end;
  justify-content:space-between;
  gap:20px;
  flex-wrap:wrap;
  margin-bottom:26px;
}
.section-head h2{
  font-size:clamp(24px,2.7vw,34px);
  position:relative;
  padding-left:16px;
}
.section-head h2::before{
  content:"";
  position:absolute;
  left:0;top:6px;bottom:6px;
  width:5px;
  border-radius:var(--pill);
  background:var(--grad);
}
.section-desc{
  margin-top:10px;
  color:var(--muted);
  font-size:15px;
  max-width:720px;
}
.link-more{
  font-size:14.5px;
  font-weight:700;
  color:var(--brand-1);
  display:inline-flex;
  align-items:center;
  gap:6px;
  min-height:44px;
}
.link-more:hover{color:var(--brand-2);}
.link-more::after{content:"→";transition:transform .2s ease;}
.link-more:hover::after{transform:translateX(3px);}

/* ---------- 时间轴 ---------- */
.tl-toolbar{
  display:flex;
  flex-wrap:wrap;
  gap:10px;
  align-items:center;
  justify-content:space-between;
  padding:16px 20px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  box-shadow:var(--shadow-sm);
  margin-bottom:32px;
}
.tl-toolbar .legend{
  display:flex;
  flex-wrap:wrap;
  gap:8px;
  align-items:center;
  font-size:13px;
  color:var(--muted);
}
.dot{width:9px;height:9px;border-radius:50%;display:inline-block;margin-right:6px;vertical-align:middle;}
.dot.b1{background:var(--brand-1);}
.dot.b2{background:var(--brand-2);}
.dot.b3{background:var(--amber);}
.tl-toolbar .tip{font-size:13.5px;color:var(--muted);}

.tl-group{margin-bottom:44px;}
.tl-group-head{
  display:flex;
  align-items:center;
  gap:12px;
  margin-bottom:20px;
}
.tl-group-head h3{font-size:21px;}
.group-pill{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:var(--pill);
  font-size:12.5px;
  font-weight:700;
  color:#fff;
  background:var(--grad);
}
.group-pill.alt{background:linear-gradient(135deg,#22D3EE,#6D28D9);}
.group-pill.warm{background:linear-gradient(135deg,#F59E0B,#FB7185);}
.tl-count{font-size:13px;color:var(--muted);}

.tl-list{
  position:relative;
  padding-left:30px;
}
.tl-list::before{
  content:"";
  position:absolute;
  left:9px;top:8px;bottom:8px;
  width:3px;
  border-radius:var(--pill);
  background:linear-gradient(180deg,#6D28D9,#C026D3 55%,#FB7185);
  opacity:.85;
}
.tl-item{position:relative;margin-bottom:16px;}
.tl-item::before{
  content:"";
  position:absolute;
  left:-26px;top:26px;
  width:13px;height:13px;
  border-radius:50%;
  background:#fff;
  border:3px solid var(--brand-1);
  box-shadow:0 0 0 4px rgba(109,40,217,.12);
}
.tl-item.warm::before{border-color:var(--brand-2);box-shadow:0 0 0 4px rgba(192,38,211,.12);}
.tl-item.mint::before{border-color:var(--cyan);box-shadow:0 0 0 4px rgba(34,211,238,.16);}

.tl-card{
  display:flex;
  gap:22px;
  align-items:flex-start;
  padding:20px 24px;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.tl-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#D8CCFF;}
.tl-time{
  flex:0 0 108px;
  font-size:14px;
  font-weight:700;
  color:var(--brand-1);
  padding-top:2px;
}
.tl-time small{display:block;font-weight:500;font-size:12px;color:var(--muted);margin-top:2px;}
.tl-body{flex:1 1 auto;min-width:0;}
.tl-body h4{
  font-size:18.5px;
  font-weight:700;
  line-height:1.5;
  transition:color .2s ease;
}
.tl-card:hover .tl-body h4{color:var(--brand-1);}
.tl-body p{
  margin-top:8px;
  font-size:14.5px;
  color:var(--muted);
  line-height:1.75;
}
.tl-meta{
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  gap:10px;
  margin-top:14px;
}
.tag{
  display:inline-flex;
  align-items:center;
  height:26px;
  padding:0 12px;
  border-radius:var(--pill);
  font-size:12.5px;
  font-weight:600;
  background:var(--surface-2);
  color:var(--brand-1);
}
.tag.cyan{background:rgba(34,211,238,.14);color:#0E7490;}
.tag.amber{background:rgba(245,158,11,.16);color:#B45309;}
.tag.pink{background:rgba(251,113,133,.16);color:#BE123C;}
.tl-link{
  margin-left:auto;
  font-size:13.5px;
  font-weight:700;
  color:var(--brand-1);
  min-height:44px;
  display:inline-flex;
  align-items:center;
}
.tl-link:hover{color:var(--brand-2);}

.load-more-wrap{
  display:flex;
  flex-direction:column;
  align-items:center;
  gap:12px;
  padding:8px 0 4px;
}
.state-note{font-size:13px;color:var(--muted);}
.skeleton-row{
  display:none;
  width:100%;
  max-width:640px;
  flex-direction:column;
  gap:10px;
  margin-top:6px;
}
.skeleton-row.is-on{display:flex;}
.sk{
  height:14px;
  border-radius:var(--pill);
  background:linear-gradient(90deg,#EFEAFF 25%,#F7F5FF 50%,#EFEAFF 75%);
  background-size:200% 100%;
  animation:shimmer 1.3s linear infinite;
}
.sk.w80{width:80%;}
.sk.w60{width:60%;}
@keyframes shimmer{0%{background-position:200% 0;}100%{background-position:-200% 0;}}

/* ---------- 精选卡 ---------- */
.feature-card{
  display:grid;
  grid-template-columns:minmax(0,.95fr) minmax(0,1.05fr);
  gap:0;
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
  overflow:hidden;
  box-shadow:var(--shadow);
  transition:transform .25s ease,box-shadow .25s ease;
}
.feature-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);}
.feature-media{aspect-ratio:16/10;overflow:hidden;}
.feature-media img{width:100%;height:100%;object-fit:cover;transition:transform .35s ease;}
.feature-card:hover .feature-media img{transform:scale(1.04);}
.feature-body{padding:30px 32px;display:flex;flex-direction:column;justify-content:center;gap:14px;}
.feature-body h3{font-size:23px;}
.feature-body p{color:var(--muted);font-size:15px;}
.feature-stats{display:flex;flex-wrap:wrap;gap:12px;}
.stat{
  display:inline-flex;
  align-items:baseline;
  gap:6px;
  padding:8px 14px;
  border-radius:var(--pill);
  background:var(--grad-soft);
  border:1px solid var(--border);
}
.stat b{font-size:18px;font-weight:800;color:var(--brand-1);}
.stat span{font-size:12px;color:var(--muted);}

/* ---------- 相关分类 ---------- */
.rail{
  display:grid;
  grid-auto-flow:column;
  grid-auto-columns:minmax(240px,1fr);
  gap:20px;
  overflow-x:auto;
  padding-bottom:8px;
  scrollbar-width:none;
}
.rail::-webkit-scrollbar{display:none;}
.cat-card{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  padding:22px;
  box-shadow:var(--shadow-sm);
  transition:transform .25s ease,box-shadow .25s ease,border-color .25s ease;
}
.cat-card:hover{transform:translateY(-4px);box-shadow:var(--shadow-hover);border-color:#D8CCFF;}
.cat-card h4{font-size:17px;margin-bottom:8px;transition:color .2s ease;}
.cat-card:hover h4{color:var(--brand-1);}
.cat-card p{font-size:14px;color:var(--muted);line-height:1.75;}
.cat-card .cat-foot{
  margin-top:16px;
  display:flex;
  align-items:center;
  justify-content:space-between;
  font-size:12.5px;
  color:var(--muted);
}

/* ---------- CTA 收藏分享 ---------- */
.cta-band{
  margin-top:76px;
  border-radius:var(--radius-xl);
  background:var(--grad);
  color:#fff;
  padding:52px;
  display:grid;
  grid-template-columns:minmax(0,1.2fr) minmax(0,.8fr);
  gap:32px;
  align-items:center;
  position:relative;
  overflow:hidden;
  box-shadow:0 26px 60px rgba(109,40,217,.28);
}
.cta-band::after{
  content:"";
  position:absolute;
  right:-90px;top:-90px;
  width:320px;height:320px;
  border-radius:50%;
  background:radial-gradient(circle,rgba(255,255,255,.32),transparent 66%);
}
.cta-band h2{font-size:clamp(23px,2.6vw,32px);position:relative;z-index:2;}
.cta-band p{margin-top:14px;color:rgba(255,255,255,.9);font-size:15.5px;position:relative;z-index:2;max-width:620px;}
.cta-actions{display:flex;flex-wrap:wrap;gap:14px;position:relative;z-index:2;justify-content:flex-end;}
.btn-light{background:#fff;color:var(--brand-1);box-shadow:0 12px 26px rgba(23,11,46,.22);}
.btn-light:hover{transform:translateY(-2px);filter:brightness(1.02);}
.btn-line{background:rgba(255,255,255,.12);color:#fff;border:1px solid rgba(255,255,255,.5);}
.btn-line:hover{background:rgba(255,255,255,.22);transform:translateY(-2px);}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;}
.faq-item{
  background:var(--surface);
  border:1px solid var(--border);
  border-radius:var(--radius-md);
  box-shadow:var(--shadow-sm);
  overflow:hidden;
  position:relative;
  transition:border-color .25s ease,box-shadow .25s ease;
}
.faq-item.is-open{border-color:#D8CCFF;box-shadow:var(--shadow);}
.faq-item::before{
  content:"";
  position:absolute;
  left:0;top:0;bottom:0;
  width:4px;
  background:var(--grad);
  opacity:0;
  transition:opacity .25s ease;
}
.faq-item.is-open::before{opacity:1;}
.faq-q{
  width:100%;
  display:flex;
  align-items:center;
  gap:16px;
  text-align:left;
  padding:20px 24px;
  font-size:17.5px;
  font-weight:700;
  min-height:44px;
}
.faq-q .ico{
  margin-left:auto;
  flex:0 0 auto;
  width:26px;height:26px;
  border-radius:50%;
  border:1.5px solid #D6C8FF;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  color:var(--brand-1);
  font-weight:700;
  transition:transform .3s ease,background .3s ease,color .3s ease;
}
.faq-item.is-open .faq-q .ico{transform:rotate(45deg);background:var(--grad);color:#fff;border-color:transparent;}
.faq-a{
  max-height:0;
  overflow:hidden;
  transition:max-height .35s ease;
}
.faq-a p{
  padding:0 24px 22px;
  font-size:15.5px;
  line-height:1.85;
  color:var(--muted);
}

/* ---------- 返回首页 ---------- */
.back-home{
  margin-top:60px;
  display:flex;
  flex-wrap:wrap;
  align-items:center;
  justify-content:space-between;
  gap:18px;
  padding:26px 30px;
  background:var(--surface-2);
  border:1px solid var(--border);
  border-radius:var(--radius-lg);
}
.back-home p{font-size:15px;color:var(--muted);}

/* ---------- 页脚 ---------- */
.footer{
  margin-top:88px;
  background:var(--dark);
  color:#fff;
  padding:64px 0 26px;
}
.footer-grid{
  display:grid;
  grid-template-columns:1.6fr 1fr 1fr 1fr;
  gap:36px;
}
.footer .brand{color:#fff;}
.footer-brand p{
  margin-top:16px;
  font-size:14px;
  line-height:1.8;
  color:rgba(255,255,255,.66);
  max-width:360px;
}
.footer h4{
  font-size:15px;
  margin-bottom:16px;
  color:#fff;
}
.footer a{
  display:block;
  font-size:14px;
  color:rgba(255,255,255,.72);
  padding:6px 0;
  transition:color .2s ease,transform .2s ease;
}
.footer a:hover{color:var(--lime);transform:translateX(3px);}
.footer-bottom{
  margin-top:44px;
  padding-top:20px;
  border-top:1px solid rgba(255,255,255,.14);
  display:flex;
  flex-wrap:wrap;
  gap:10px 24px;
  justify-content:space-between;
  font-size:13px;
  color:rgba(255,255,255,.5);
}

.to-top{
  position:fixed;
  right:22px;bottom:22px;
  width:46px;height:46px;
  border-radius:50%;
  background:var(--grad);
  color:#fff;
  display:inline-flex;
  align-items:center;
  justify-content:center;
  box-shadow:0 14px 30px rgba(109,40,217,.34);
  z-index:70;
  transition:transform .2s ease,filter .2s ease;
}
.to-top:hover{transform:translateY(-3px);filter:brightness(1.06);}

/* ---------- 响应式 ---------- */
@media (max-width:1279px){
  .container{max-width:960px;}
}
@media (max-width:1023px){
  .nav-toggle{display:inline-flex;}
  .nav-chips{order:3;flex:1 1 100%;}
  .nav-search{order:2;flex:1 1 100%;max-width:none;}
  .brand{order:1;}
  .hero-grid{grid-template-columns:1fr;padding:40px;gap:30px;}
  .hero-visual{max-width:560px;}
  .feature-card{grid-template-columns:1fr;}
  .cta-band{grid-template-columns:1fr;padding:40px;}
  .cta-actions{justify-content:flex-start;}
  .footer-grid{grid-template-columns:1fr 1fr;}
}
@media (max-width:767px){
  body{font-size:15.5px;}
  .container{padding:0 20px;}
  .section{padding:52px 0 0;}
  .hero{margin-top:16px;border-radius:24px;}
  .hero-grid{padding:28px 22px 32px;}
  .hero-sub{font-size:15px;}
  .hbadge b{font-size:18px;}
  .hero-actions .btn{width:100%;}
  .tl-card{flex-direction:column;gap:10px;padding:18px;}
  .tl-time{flex:none;padding-top:0;}
  .tl-link{margin-left:0;}
  .tl-list{padding-left:24px;}
  .tl-item::before{left:-22px;top:22px;}
  .rail{grid-auto-flow:row;grid-auto-columns:auto;grid-template-columns:1fr;overflow:visible;}
  .cta-band{margin-top:52px;padding:30px 22px;border-radius:24px;}
  .cta-actions{width:100%;}
  .cta-actions .btn{width:100%;}
  .faq-q{font-size:16px;padding:18px;}
  .faq-a p{padding:0 18px 20px;}
  .footer{padding-top:48px;margin-top:64px;}
  .footer-grid{grid-template-columns:1fr;gap:28px;}
  .back-home{padding:22px;flex-direction:column;align-items:flex-start;}
  .to-top{right:16px;bottom:16px;}
}
@media (max-width:480px){
  .container{padding:0 16px;}
  .brand{font-size:15.5px;}
  .brand-mark{width:30px;height:30px;border-radius:10px;}
  .section-head h2{font-size:22px;}
  .nav-search{height:44px;padding-left:14px;}
  .search-btn{padding:0 14px;font-size:13px;}
  .group-pill{font-size:11.5px;padding:0 10px;}
}

/* roulang page: category4 */
:root{
  --brand-1:#6D28D9;
  --brand-2:#C026D3;
  --brand-3:#FB7185;
  --cyan:#22D3EE;
  --lime:#A3E635;
  --amber:#F59E0B;
  --bg:#F7F5FF;
  --surface:#FFFFFF;
  --surface-2:#F0ECFF;
  --dark:#170B2E;
  --text:#1E1233;
  --muted:#6F628F;
  --border:#E7E1FF;
  --grad:linear-gradient(135deg,#6D28D9,#C026D3 48%,#FB7185);
  --grad-line:linear-gradient(180deg,#6D28D9,#C026D3 55%,#FB7185);
  --r-xl:30px;
  --r-lg:22px;
  --r-md:18px;
  --r-sm:14px;
  --pill:999px;
  --sh:0 12px 30px rgba(109,40,217,.10),0 2px 8px rgba(23,11,46,.06);
  --sh-hover:0 18px 42px rgba(109,40,217,.16);
  --container:1240px;
}
*,*::before,*::after{box-sizing:border-box}
html{scroll-behavior:smooth;-webkit-text-size-adjust:100%}
body{
  margin:0;
  background:var(--bg);
  color:var(--text);
  font-family:"PingFang SC","Microsoft YaHei","Noto Sans SC",system-ui,-apple-system,"Segoe UI",Roboto,sans-serif;
  font-size:16.5px;
  line-height:1.8;
  -webkit-font-smoothing:antialiased;
}
img{max-width:100%;display:block}
a{color:inherit;text-decoration:none}
button,input{font-family:inherit;font-size:inherit;color:inherit}
h1,h2,h3,h4{margin:0;line-height:1.28;font-weight:800;letter-spacing:-.01em}
p{margin:0}
ul{margin:0;padding:0;list-style:none}
.num{font-variant-numeric:tabular-nums}
:focus-visible{outline:2px solid var(--lime);outline-offset:3px;border-radius:8px}
.sr-only{position:absolute;width:1px;height:1px;padding:0;margin:-1px;overflow:hidden;clip:rect(0 0 0 0);white-space:nowrap;border:0}
.skip{position:absolute;left:-999px;top:0;background:var(--dark);color:#fff;padding:10px 18px;border-radius:0 0 12px 0;z-index:200}
.skip:focus{left:0}
.container{max-width:var(--container);margin:0 auto;padding:0 28px}

/* ---------- 按钮 ---------- */
.btn{
  display:inline-flex;align-items:center;justify-content:center;gap:8px;
  height:48px;padding:0 26px;border-radius:var(--pill);
  font-weight:700;font-size:15.5px;line-height:1;
  border:1px solid transparent;cursor:pointer;
  transition:transform .22s ease,box-shadow .22s ease,filter .22s ease,background .22s ease,color .22s ease,border-color .22s ease;
  white-space:nowrap;
}
.btn-primary{background:var(--grad);color:#fff;box-shadow:0 10px 24px rgba(109,40,217,.28)}
.btn-primary:hover{filter:brightness(1.07);transform:translateY(-2px);box-shadow:var(--sh-hover)}
.btn-primary:active{transform:scale(.98)}
.btn-ghost{background:rgba(255,255,255,.14);color:#fff;border-color:rgba(255,255,255,.46)}
.btn-ghost:hover{background:rgba(255,255,255,.24);transform:translateY(-2px)}
.btn-outline{background:#fff;color:var(--brand-1);border-color:#D9CCFF}
.btn-outline:hover{border-color:var(--brand-2);color:var(--brand-2);transform:translateY(-2px);box-shadow:var(--sh)}
.btn:disabled{opacity:.5;cursor:not-allowed;transform:none;box-shadow:none}

/* ---------- 顶部导航 ---------- */
.site-header{
  position:sticky;top:0;z-index:60;
  background:rgba(255,255,255,.88);
  backdrop-filter:blur(14px);-webkit-backdrop-filter:blur(14px);
  border-bottom:1px solid var(--border);
}
.header-inner{display:flex;flex-wrap:wrap;align-items:center;gap:12px 18px;padding:12px 0;min-height:70px}
.brand{display:inline-flex;align-items:center;gap:10px;font-weight:800;font-size:17px;color:var(--text);order:1}
.brand-mark{
  width:32px;height:32px;flex:none;border-radius:50%;
  background:var(--grad);
  box-shadow:0 6px 16px rgba(109,40,217,.35),inset 0 0 0 3px rgba(255,255,255,.85);
  position:relative;
}
.brand-mark::after{
  content:"";position:absolute;inset:9px;border-radius:50%;
  background:radial-gradient(circle at 35% 30%,#fff,rgba(255,255,255,.15));
}
.brand-text{white-space:nowrap}
.nav-search{position:relative;display:flex;align-items:center;order:2;flex:1 1 320px;max-width:520px}
.nav-search input{
  width:100%;height:47px;border-radius:var(--pill);
  border:1px solid var(--border);background:var(--surface-2);
  padding:0 108px 0 44px;font-size:15px;
  transition:border-color .2s,box-shadow .2s,background .2s;
}
.nav-search input::placeholder{color:#9B8FBC}
.nav-search input:focus{outline:none;background:#fff;border-color:#C9B4FF;box-shadow:0 0 0 4px rgba(109,40,217,.12)}
.search-icon{position:absolute;left:16px;top:50%;transform:translateY(-50%);color:#8F82B4;display:flex}
.search-btn{
  position:absolute;right:5px;top:5px;height:37px;padding:0 18px;
  border:0;border-radius:var(--pill);background:var(--grad);color:#fff;
  font-size:14px;font-weight:700;cursor:pointer;transition:filter .2s,transform .2s;
}
.search-btn:hover{filter:brightness(1.08);transform:translateY(-1px)}
.search-btn:active{transform:scale(.97)}
.nav-chips{display:flex;align-items:center;gap:8px;order:3;overflow-x:auto;scrollbar-width:none;-ms-overflow-style:none;padding:2px 0}
.nav-chips::-webkit-scrollbar{display:none}
.chip{
  display:inline-flex;align-items:center;height:38px;padding:0 16px;
  border-radius:var(--pill);background:#fff;border:1px solid var(--border);
  font-size:14px;font-weight:600;color:#57457F;white-space:nowrap;
  transition:.22s;box-shadow:0 2px 8px rgba(23,11,46,.04);
}
.chip:hover{color:var(--brand-1);border-color:#CFBAFF;transform:translateY(-2px)}
.chip.is-active{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 10px 22px rgba(109,40,217,.26)}
.nav-toggle{
  display:none;align-items:center;justify-content:center;flex-direction:column;gap:5px;
  width:46px;height:46px;border-radius:14px;border:1px solid var(--border);
  background:#fff;cursor:pointer;order:2;margin-left:auto;
}
.nav-toggle span{display:block;width:20px;height:2px;border-radius:2px;background:var(--brand-1);transition:.25s}
.nav-toggle[aria-expanded="true"] span:nth-child(1){transform:translateY(7px) rotate(45deg)}
.nav-toggle[aria-expanded="true"] span:nth-child(2){opacity:0}
.nav-toggle[aria-expanded="true"] span:nth-child(3){transform:translateY(-7px) rotate(-45deg)}

/* ---------- 移动抽屉 ---------- */
.drawer-overlay{position:fixed;inset:0;background:rgba(23,11,46,.5);z-index:90;opacity:0;pointer-events:none;transition:opacity .28s}
.drawer-overlay.is-open{opacity:1;pointer-events:auto}
.drawer{
  position:fixed;top:0;right:0;bottom:0;width:min(84vw,340px);
  background:#fff;z-index:100;transform:translateX(102%);
  transition:transform .32s ease;display:flex;flex-direction:column;padding:20px;
  box-shadow:-18px 0 48px rgba(23,11,46,.2);
}
.drawer.is-open{transform:translateX(0)}
.drawer-head{display:flex;align-items:center;justify-content:space-between;gap:12px;padding-bottom:16px;border-bottom:1px solid var(--border)}
.drawer-head .brand-text{font-weight:800;font-size:16px}
.drawer-close{width:40px;height:40px;border-radius:12px;border:1px solid var(--border);background:#fff;font-size:20px;line-height:1;cursor:pointer;color:var(--brand-1)}
.drawer-nav{display:flex;flex-direction:column;gap:6px;padding:18px 0}
.drawer-nav a{padding:13px 14px;border-radius:14px;font-weight:600;font-size:15.5px;color:#4B3A73;transition:.2s}
.drawer-nav a:hover{background:var(--surface-2)}
.drawer-nav a.is-active{background:var(--grad);color:#fff}
.drawer-foot{margin-top:auto;padding-top:18px;border-top:1px solid var(--border);font-size:13.5px;color:var(--muted)}

/* ---------- Hero ---------- */
.page-hero{padding-top:28px}
.hero-card{
  position:relative;border-radius:var(--r-xl);overflow:hidden;
  background:var(--dark);color:#fff;box-shadow:0 24px 60px rgba(23,11,46,.24);
}
.hero-card::before{
  content:"";position:absolute;inset:0;
  background:url('/assets/images/backpic/back-2.png') center/cover no-repeat;
  opacity:.5;
}
.hero-card::after{
  content:"";position:absolute;inset:0;
  background:linear-gradient(135deg,rgba(23,11,46,.94),rgba(109,40,217,.86) 50%,rgba(192,38,211,.76));
}
.hero-inner{position:relative;z-index:2;display:grid;grid-template-columns:1.1fr .9fr;gap:44px;align-items:center;padding:54px 56px}
.crumbs{display:flex;flex-wrap:wrap;align-items:center;gap:8px;font-size:13.5px;color:rgba(255,255,255,.72);margin-bottom:16px}
.crumbs a{color:rgba(255,255,255,.85);border-bottom:1px solid rgba(255,255,255,.3);padding-bottom:1px}
.crumbs a:hover{color:var(--lime);border-color:var(--lime)}
.hero-copy h1{font-size:clamp(30px,4.2vw,50px);line-height:1.16;letter-spacing:-.02em}
.hero-sub{margin-top:18px;font-size:16.5px;line-height:1.85;color:rgba(255,255,255,.82);max-width:560px}
.hero-actions{display:flex;flex-wrap:wrap;gap:12px;margin-top:28px}
.hero-stats{display:flex;flex-wrap:wrap;gap:14px;margin-top:32px}
.stat{
  min-width:118px;padding:14px 18px;border-radius:var(--r-md);
  background:rgba(255,255,255,.14);border:1px solid rgba(255,255,255,.24);
  backdrop-filter:blur(6px);
}
.stat b{display:block;font-size:22px;line-height:1.2;font-variant-numeric:tabular-nums}
.stat span{font-size:12.5px;color:rgba(255,255,255,.78)}
.hero-figure{margin:0;position:relative}
.hero-figure img{
  width:100%;aspect-ratio:16/10;object-fit:cover;
  border-radius:var(--r-lg);border:1px solid rgba(255,255,255,.28);
  box-shadow:0 22px 48px rgba(23,11,46,.36);
}
.hero-figure figcaption{margin-top:12px;font-size:13px;color:rgba(255,255,255,.66)}

/* ---------- 通用板块 ---------- */
.section{padding:82px 0}
.section.tight{padding:60px 0}
.section-head{display:flex;align-items:flex-end;justify-content:space-between;gap:24px;margin-bottom:34px}
.section-head h2{font-size:clamp(23px,2.6vw,34px)}
.section-head p{margin-top:10px;color:var(--muted);font-size:15px;max-width:660px}
.eyebrow{display:inline-flex;align-items:center;gap:9px;font-size:13px;font-weight:700;color:var(--brand-2);margin-bottom:12px}
.eyebrow::before{content:"";width:26px;height:3px;border-radius:var(--pill);background:var(--grad)}

/* ---------- 标签云 ---------- */
.tag-cloud{display:flex;flex-wrap:wrap;gap:12px}
.tag{
  display:inline-flex;align-items:center;gap:8px;
  padding:10px 18px;border-radius:var(--pill);
  background:#fff;border:1px solid var(--border);
  font-size:14.5px;font-weight:600;color:#4B3A73;cursor:pointer;
  transition:.22s;box-shadow:0 2px 8px rgba(23,11,46,.04);
}
.tag .count{font-size:12px;color:#9B8FBC;font-variant-numeric:tabular-nums}
.tag:hover{background:var(--grad);color:#fff;border-color:transparent;transform:translateY(-2px);box-shadow:0 12px 26px rgba(109,40,217,.24)}
.tag:hover .count{color:rgba(255,255,255,.85)}
.tag.is-active{background:var(--grad);color:#fff;border-color:transparent;box-shadow:0 12px 26px rgba(109,40,217,.26)}
.tag.is-active .count{color:rgba(255,255,255,.85)}
.tag:active{transform:scale(.97)}

/* ---------- 精选大卡 ---------- */
.featured-card{
  display:grid;grid-template-columns:1.05fr 1fr;gap:0;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-xl);
  overflow:hidden;box-shadow:var(--sh);
}
.featured-media{position:relative;min-height:320px}
.featured-media img{width:100%;height:100%;object-fit:cover;aspect-ratio:16/10}
.featured-media::after{content:"";position:absolute;inset:0;background:linear-gradient(120deg,rgba(23,11,46,.34),rgba(109,40,217,.06))}
.featured-body{padding:44px 46px;display:flex;flex-direction:column;justify-content:center;gap:16px}
.featured-body h2{font-size:clamp(22px,2.3vw,30px)}
.featured-body p{color:var(--muted);font-size:15.5px}
.mini-stats{display:flex;flex-wrap:wrap;gap:12px;margin-top:4px}
.mini-stat{padding:12px 16px;border-radius:var(--r-sm);background:var(--surface-2);border:1px solid var(--border);min-width:104px}
.mini-stat b{display:block;font-size:19px;line-height:1.2;font-variant-numeric:tabular-nums;color:var(--brand-1)}
.mini-stat span{font-size:12.5px;color:var(--muted)}
.featured-body .btn{align-self:flex-start;margin-top:8px}

/* ---------- 徽章 ---------- */
.badge{
  display:inline-flex;align-items:center;gap:6px;
  padding:5px 12px;border-radius:var(--pill);
  font-size:12.5px;font-weight:700;
  background:var(--grad);color:#fff;
}
.badge-soft{background:var(--surface-2);color:var(--brand-1)}
.badge-amber{background:rgba(245,158,11,.15);color:#B45309}

/* ---------- 瀑布流卡片 ---------- */
.masonry{columns:2;column-gap:26px}
.card{
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  box-shadow:var(--sh);overflow:hidden;transition:transform .26s ease,box-shadow .26s ease,border-color .26s ease;
}
.card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#D6C6FF}
.card:hover .card-title{color:var(--brand-1)}
.card:hover .card-media img{transform:scale(1.04)}
.masonry .card{break-inside:avoid;display:block;margin-bottom:26px}
.card-media{margin:12px;border-radius:var(--r-md);overflow:hidden;background:var(--surface-2)}
.card-media img{width:100%;height:100%;object-fit:cover;transition:transform .5s ease}
.ratio-16x10{aspect-ratio:16/10}
.ratio-4x3{aspect-ratio:4/3}
.ratio-tall{aspect-ratio:4/5}
.card-body{padding:6px 20px 22px}
.card-tags{display:flex;flex-wrap:wrap;gap:8px;margin-bottom:12px}
.card-title{font-size:19px;line-height:1.42;transition:color .22s}
.card-text{margin-top:8px;font-size:14.5px;line-height:1.75;color:var(--muted)}
.card-meta{display:flex;align-items:center;gap:10px;margin-top:14px;font-size:13px;color:var(--muted);font-variant-numeric:tabular-nums}
.dot{width:4px;height:4px;border-radius:50%;background:#CFC3F0}
.card-link{display:inline-flex;align-items:center;gap:6px;margin-top:14px;font-size:14px;font-weight:700;color:var(--brand-1)}
.card-link:hover{color:var(--brand-2)}

/* ---------- 空态 ---------- */
.empty-state{
  display:flex;flex-direction:column;align-items:center;gap:12px;
  padding:44px 24px;margin-top:26px;text-align:center;
  border:1px dashed #D6C6FF;border-radius:var(--r-lg);background:#fff;color:var(--muted);
}
.empty-state[hidden]{display:none}
.empty-icon{
  width:52px;height:52px;border-radius:50%;display:grid;place-items:center;
  background:var(--surface-2);color:var(--brand-1);font-size:22px;font-weight:800;
}
.empty-state strong{color:var(--text);font-size:16px}

/* ---------- 相关分类横滑 ---------- */
.rail{display:flex;gap:20px;overflow-x:auto;padding:6px 4px 16px;scroll-snap-type:x mandatory;scrollbar-width:none}
.rail::-webkit-scrollbar{display:none}
.rail-card{
  flex:0 0 300px;scroll-snap-align:start;
  background:#fff;border:1px solid var(--border);border-radius:var(--r-lg);
  overflow:hidden;box-shadow:var(--sh);transition:transform .26s,box-shadow .26s,border-color .26s;
}
.rail-card:hover{transform:translateY(-4px);box-shadow:var(--sh-hover);border-color:#D6C6FF}
.rail-card img{width:100%;aspect-ratio:16/9;object-fit:cover}
.rail-body{padding:18px 20px 22px}
.rail-body h3{font-size:17.5px}
.rail-body p{margin-top:8px;font-size:14px;color:var(--muted)}
.rail-tagline{display:inline-block;margin-top:12px;font-size:13px;font-weight:700;color:var(--brand-1)}

/* ---------- CTA ---------- */
.cta-band{
  position:relative;overflow:hidden;border-radius:var(--r-xl);
  padding:46px 54px;background:var(--grad);color:#fff;
  display:flex;align-items:center;justify-content:space-between;gap:32px;
  box-shadow:0 22px 52px rgba(109,40,217,.26);
}
.cta-band::after{
  content:"";position:absolute;right:-70px;top:-90px;width:300px;height:300px;border-radius:50%;
  background:radial-gradient(circle,rgba(34,211,238,.55),transparent 68%);
}
.cta-band::before{
  content:"";position:absolute;left:-60px;bottom:-110px;width:260px;height:260px;border-radius:50%;
  background:radial-gradient(circle,rgba(163,230,53,.32),transparent 70%);
}
.cta-copy{position:relative;z-index:2;max-width:640px}
.cta-copy h2{font-size:clamp(22px,2.4vw,32px)}
.cta-copy p{margin-top:12px;font-size:15.5px;color:rgba(255,255,255,.86)}
.cta-actions{position:relative;z-index:2;display:flex;flex-wrap:wrap;gap:12px}

/* ---------- FAQ ---------- */
.faq-list{display:grid;gap:14px;max-width:940px}
.faq-item{
  position:relative;background:#fff;border:1px solid var(--border);
  border-radius:var(--r-md);box-shadow:var(--sh);overflow:hidden;
}
.faq-item::before{
  content:"";position:absolute;left:0;top:0;bottom:0;width:4px;
  background:var(--grad-line);opacity:0;transition:opacity .26s;
}
.faq-item.is-open::before{opacity:1}
.faq-q{
  width:100%;display:flex;align-items:center;justify-content:space-between;gap:18px;
  padding:20px 24px;background:none;border:0;text-align:left;
  font-size:17.5px;font-weight:700;cursor:pointer;transition:color .2s;
}
.faq-q:hover{color:var(--brand-1)}
.faq-icon{
  width:28px;height:28px;flex:none;border-radius:50%;
  display:grid;place-items:center;background:var(--surface-2);
  color:var(--brand-1);font-size:17px;font-weight:700;line-height:1;
  transition:transform .28s ease,background .28s;
}
.faq-item.is-open .faq-icon{transform:rotate(45deg);background:var(--grad);color:#fff}
.faq-a{max-height:0;overflow:hidden;transition:max-height .34s ease}
.faq-a p{padding:0 24px 22px;color:var(--muted);font-size:15.5px;line-height:1.85}

/* ---------- 页脚 ---------- */
.footer{background:var(--dark);color:#fff;margin-top:92px;padding:66px 0 26px}
.footer-grid{display:grid;grid-template-columns:1.7fr 1fr 1fr 1fr;gap:34px}
.footer h4{font-size:15px;margin-bottom:14px;color:#fff}
.footer .brand{color:#fff;font-size:16.5px}
.footer-brand p{margin-top:14px;font-size:14.5px;color:rgba(255,255,255,.7);max-width:360px;line-height:1.8}
.footer a{display:block;padding:5px 0;font-size:14.5px;color:rgba(255,255,255,.72);transition:color .2s,transform .2s}
.footer a:hover{color:var(--lime);transform:translateX(3px)}
.footer .brand:hover{transform:none}
.footer-bottom{
  display:flex;flex-wrap:wrap;align-items:center;justify-content:space-between;gap:12px;
  margin-top:46px;padding-top:20px;border-top:1px solid rgba(255,255,255,.12);
  font-size:13.5px;color:rgba(255,255,255,.62);
}

/* ---------- 返回顶部 ---------- */
.back-top{
  position:fixed;right:24px;bottom:28px;width:48px;height:48px;border-radius:50%;
  border:0;background:var(--grad);color:#fff;display:grid;place-items:center;
  box-shadow:0 14px 30px rgba(109,40,217,.32);cursor:pointer;z-index:70;
  opacity:0;pointer-events:none;transition:opacity .28s,transform .28s;
}
.back-top.is-visible{opacity:1;pointer-events:auto}
.back-top:hover{transform:translateY(-3px)}
.back-top:active{transform:scale(.95)}

/* ---------- 响应式 ---------- */
@media (max-width:1199px){
  .nav-search{flex:1 1 100%;max-width:none;order:3}
  .nav-chips{order:4;flex:1 1 100%}
  .brand{order:1}
  .hero-inner{grid-template-columns:1fr;gap:32px;padding:44px 40px}
  .hero-figure img{aspect-ratio:16/9}
  .footer-grid{grid-template-columns:1.5fr 1fr 1fr;row-gap:34px}
}
@media (max-width:1023px){
  .section{padding:64px 0}
  .featured-card{grid-template-columns:1fr}
  .featured-media{min-height:0}
  .featured-body{padding:34px 30px 38px}
  .cta-band{flex-direction:column;align-items:flex-start;padding:38px 32px}
  .footer-grid{grid-template-columns:1fr 1fr}
}
@media (max-width:767px){
  body{font-size:15.5px}
  .container{padding:0 20px}
  .nav-toggle{display:flex}
  .nav-chips{display:none}
  .nav-search{order:3}
  .hero-card{border-radius:24px}
  .hero-inner{padding:34px 22px}
  .hero-copy h1{font-size:clamp(25px,7vw,32px)}
  .hero-sub{font-size:15px}
  .hero-actions .btn{width:100%}
  .hero-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
  .stat{min-width:0;padding:12px 12px}
  .stat b{font-size:18px}
  .section{padding:52px 0}
  .section-head{flex-direction:column;align-items:flex-start;gap:14px}
  .masonry{columns:1}
  .featured-body{padding:28px 22px 32px}
  .featured-body .btn{width:100%}
  .mini-stats{display:grid;grid-template-columns:repeat(3,1fr);gap:10px}
  .mini-stat{min-width:0;padding:10px 12px}
  .mini-stat b{font-size:16px}
  .cta-band{padding:32px 22px;border-radius:24px}
  .cta-actions{width:100%;flex-direction:column}
  .cta-actions .btn{width:100%}
  .faq-q{padding:17px 18px;font-size:16px}
  .faq-a p{padding:0 18px 18px;font-size:15px}
  .footer{padding:52px 0 22px;margin-top:64px}
  .footer-grid{grid-template-columns:1fr;gap:28px}
  .rail-card{flex:0 0 84%}
  .back-top{right:16px;bottom:18px}
}
@media (max-width:480px){
  .container{padding:0 16px}
  .brand-text{font-size:15px}
  .hero-inner{padding:30px 18px}
  .card-body{padding:6px 16px 18px}
  .card-media{margin:10px}
  .tag{padding:9px 14px;font-size:13.5px}
}